/* 기본 리셋 및 설정 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 및 네비게이션 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.8rem;
}

.nav-logo a {
    display: inline-block;
    transition: transform 0.3s ease;
}

.nav-logo a:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* 드롭다운 메뉴 스타일 */
.nav-item.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 1rem;
    min-width: 600px;
}

.nav-item.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-item.dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu li {
    list-style: none;
    flex: 1;
}

.dropdown-link {
    display: block;
    padding: 1rem;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 10px;
    text-align: center;
    border: 2px solid transparent;
    background: #f8fafc;
}

.dropdown-link:hover {
    background: #2563eb;
    color: white;
    border-color: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 히어로 섹션 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); /* fallback */
}

/* 비디오 배경 스타일 */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 1;
    background: #000;
}

/* 비디오 fallback */
.video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3a8a 0%, #059669 50%, #10b981 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fallback-message {
    color: white;
    text-align: center;
    font-size: 1.2rem;
}

/* 비디오 위 오버레이 효과 */
.video-overlay-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: particleFloat 8s ease-in-out infinite;
}

.particle.p1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
    animation-duration: 6s;
}

.particle.p2 {
    top: 60%;
    right: 30%;
    animation-delay: 2s;
    animation-duration: 8s;
}

.particle.p3 {
    bottom: 30%;
    left: 60%;
    animation-delay: 4s;
    animation-duration: 7s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-30px) translateX(20px);
        opacity: 1;
    }
}

/* 친환경 그라데이션 */
.eco-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        #1e3a8a 0%,     /* 깊은 파랑 */
        #1e40af 20%,    /* 파랑 */
        #059669 40%,    /* 녹색 */
        #10b981 60%,    /* 밝은 녹색 */
        #34d399 80%,    /* 연한 녹색 */
        #6ee7b7 100%    /* 매우 연한 녹색 */
    );
    animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { 
        background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 20%, #059669 40%, #10b981 60%, #34d399 80%, #6ee7b7 100%);
    }
    50% { 
        background: linear-gradient(135deg, #059669 0%, #10b981 20%, #34d399 40%, #6ee7b7 60%, #1e40af 80%, #1e3a8a 100%);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

/* 제조업 요소들 */
.manufacturing-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* 공장 실루엣 */
.factory-silhouette {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
}

.building {
    position: absolute;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px 4px 0 0;
}

.building-1 {
    left: 10%;
    width: 80px;
    height: 120px;
    animation: buildingGlow 8s ease-in-out infinite;
}

.building-2 {
    left: 20%;
    width: 100px;
    height: 150px;
    animation: buildingGlow 8s ease-in-out infinite 2s;
}

.building-3 {
    left: 35%;
    width: 90px;
    height: 110px;
    animation: buildingGlow 8s ease-in-out infinite 4s;
}

@keyframes buildingGlow {
    0%, 100% { 
        background: rgba(0, 0, 0, 0.2);
        box-shadow: inset 0 0 20px rgba(16, 185, 129, 0.3);
    }
    50% { 
        background: rgba(16, 185, 129, 0.1);
        box-shadow: inset 0 0 30px rgba(16, 185, 129, 0.5);
    }
}

/* 굴뚝과 친환경 연기 */
.chimney {
    position: absolute;
    bottom: 110px;
    width: 15px;
    height: 40px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 2px;
}

.chimney-1 { left: 12%; }
.chimney-2 { left: 22%; }

.eco-smoke {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 60px;
    background: linear-gradient(to top, 
        rgba(16, 185, 129, 0.6) 0%,
        rgba(52, 211, 153, 0.4) 50%,
        transparent 100%
    );
    border-radius: 50%;
    animation: ecoSmokeRise 4s ease-in-out infinite;
}

@keyframes ecoSmokeRise {
    0% { 
        transform: translateX(-50%) translateY(0) scale(1);
        opacity: 0.8;
    }
    100% { 
        transform: translateX(-50%) translateY(-100px) scale(1.5);
        opacity: 0;
    }
}

.particle-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: particleMove 8s ease-in-out infinite;
}

.particle-1 {
    top: 20%;
    left: 15%;
    animation-delay: 0s;
    animation-duration: 6s;
}

.particle-2 {
    top: 60%;
    right: 20%;
    animation-delay: 1s;
    animation-duration: 8s;
}

.particle-3 {
    bottom: 30%;
    left: 25%;
    animation-delay: 2s;
    animation-duration: 7s;
}

.particle-4 {
    top: 40%;
    right: 35%;
    animation-delay: 3s;
    animation-duration: 9s;
}

.particle-5 {
    top: 75%;
    left: 60%;
    animation-delay: 4s;
    animation-duration: 6s;
}

@keyframes particleMove {
    0%, 100% { 
        transform: translateY(0px) translateX(0px) scale(1);
        opacity: 0.6;
    }
    25% { 
        transform: translateY(-30px) translateX(20px) scale(1.2);
        opacity: 1;
    }
    50% { 
        transform: translateY(-10px) translateX(-15px) scale(0.8);
        opacity: 0.8;
    }
    75% { 
        transform: translateY(-25px) translateX(10px) scale(1.1);
        opacity: 0.9;
    }
}

/* 재생에너지 요소들 */
.renewable-energy {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
}

/* 풍력발전기 */
.wind-turbine {
    position: absolute;
    width: 8px;
    height: 120px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.turbine-1 {
    top: 30%;
    right: 20%;
    animation: turbineGlow 6s ease-in-out infinite;
}

.turbine-2 {
    top: 50%;
    right: 35%;
    animation: turbineGlow 6s ease-in-out infinite 2s;
}

.turbine-blade {
    position: absolute;
    top: -20px;
    left: 50%;
    transform-origin: center bottom;
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    animation: bladeRotate 3s linear infinite;
}

.turbine-blade::before,
.turbine-blade::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform-origin: center bottom;
}

.turbine-blade::before {
    transform: rotate(120deg);
}

.turbine-blade::after {
    transform: rotate(240deg);
}

@keyframes bladeRotate {
    from { transform: translateX(-50%) rotate(0deg); }
    to { transform: translateX(-50%) rotate(360deg); }
}

@keyframes turbineGlow {
    0%, 100% { 
        background: rgba(255, 255, 255, 0.3);
        box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
    }
    50% { 
        background: rgba(34, 197, 94, 0.4);
        box-shadow: 0 0 30px rgba(34, 197, 94, 0.6);
    }
}

/* 태양광 패널 */
.solar-panel {
    position: absolute;
    width: 60px;
    height: 30px;
    background: linear-gradient(45deg, 
        rgba(59, 130, 246, 0.4) 0%,
        rgba(37, 99, 235, 0.6) 50%,
        rgba(29, 78, 216, 0.4) 100%
    );
    border-radius: 4px;
    animation: solarGlow 5s ease-in-out infinite;
}

.panel-1 {
    top: 40%;
    right: 15%;
    transform: rotate(15deg);
}

.panel-2 {
    top: 60%;
    right: 30%;
    transform: rotate(-10deg);
    animation-delay: 2.5s;
}

@keyframes solarGlow {
    0%, 100% { 
        background: linear-gradient(45deg, rgba(59, 130, 246, 0.4) 0%, rgba(37, 99, 235, 0.6) 50%, rgba(29, 78, 216, 0.4) 100%);
        box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
    }
    50% { 
        background: linear-gradient(45deg, rgba(251, 191, 36, 0.4) 0%, rgba(245, 158, 11, 0.6) 50%, rgba(217, 119, 6, 0.4) 100%);
        box-shadow: 0 0 25px rgba(251, 191, 36, 0.5);
    }
}

/* 데이터 플로우 */
.data-flow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.data-stream {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom,
        transparent 0%,
        rgba(34, 197, 94, 0.8) 20%,
        rgba(52, 211, 153, 1) 50%,
        rgba(34, 197, 94, 0.8) 80%,
        transparent 100%
    );
    animation: dataFlow 3s linear infinite;
}

.stream-1 {
    top: 20%;
    left: 60%;
    animation-delay: 0s;
}

.stream-2 {
    top: 40%;
    left: 75%;
    animation-delay: 1s;
}

.stream-3 {
    top: 60%;
    left: 50%;
    animation-delay: 2s;
}

@keyframes dataFlow {
    0% { 
        transform: translateY(-50px);
        opacity: 0;
    }
    20% { 
        opacity: 1;
    }
    80% { 
        opacity: 1;
    }
    100% { 
        transform: translateY(50px);
        opacity: 0;
    }
}

/* 친환경 파티클 */
.eco-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.leaf-particle {
    position: absolute;
    font-size: 20px;
    animation: leafFloat 8s ease-in-out infinite;
}

.leaf-1 { top: 20%; left: 30%; animation-delay: 0s; }
.leaf-2 { top: 40%; left: 70%; animation-delay: 1s; }
.leaf-3 { top: 60%; left: 20%; animation-delay: 2s; }
.leaf-4 { top: 30%; left: 80%; animation-delay: 3s; }
.leaf-5 { top: 70%; left: 60%; animation-delay: 4s; }
.leaf-6 { top: 50%; left: 40%; animation-delay: 5s; }

@keyframes leafFloat {
    0%, 100% { 
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0.7;
    }
    25% { 
        transform: translateY(-20px) translateX(10px) rotate(90deg);
        opacity: 1;
    }
    50% { 
        transform: translateY(-10px) translateX(-5px) rotate(180deg);
        opacity: 0.8;
    }
    75% { 
        transform: translateY(-30px) translateX(15px) rotate(270deg);
        opacity: 1;
    }
}

.hero-container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    font-weight: 300;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.feature-card:hover {
    transform: scale(1.05) rotateY(5deg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover .feature-icon {
    transform: scale(1.2) rotate(10deg);
    animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: scale(1.2) translateY(0) rotate(10deg); }
    40% { transform: scale(1.3) translateY(-10px) rotate(15deg); }
    60% { transform: scale(1.25) translateY(-5px) rotate(12deg); }
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.cta-button {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button.primary {
    background: #fff;
    color: #2563eb;
}

.cta-button.primary:hover {
    background: #f1f5f9;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.cta-button.secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.cta-button.secondary:hover {
    background: #fff;
    color: #2563eb;
    transform: translateY(-3px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.platform-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1.5rem;
    width: 100%;
    height: 100%;
    max-width: 500px;
}

.platform-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 1.2rem;
    text-align: center;
    color: white;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.platform-item::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transition: all 0.4s ease;
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.platform-item:hover {
    transform: translateY(-15px) rotate(-2deg);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.platform-item:hover::after {
    width: 200%;
    height: 200%;
}

.platform-item:hover .platform-icon {
    animation: pulse 1s ease-in-out infinite;
}

.platform-item:hover .stat-value {
    animation: countUp 0.8s ease-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes countUp {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.platform-icon {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.platform-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.platform-stats {
    margin-top: 1rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: #fbbf24;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 0.3rem;
    line-height: 1.1;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(45deg); }
    40% { transform: translateY(-10px) rotate(45deg); }
    60% { transform: translateY(-5px) rotate(45deg); }
}

/* 애니메이션 클래스 */
.fade-in-up {
    animation: fadeInUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 섹션 공통 스타일 */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}
.section-title-white {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #f8f9fa;
}

/* 회사소개 섹션 */
.company-section {
    background: #f8fafc;
}

.company-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.company-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #2563eb;
    font-weight: 600;
}

.company-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    color: #4b5563;
}

.company-features {
    list-style: none;
}

.company-features li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    color: #374151;
}

.company-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.vision-card, .mission-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.vision-card:hover, .mission-card:hover {
    transform: translateY(-8px) scale(1.03);
}

.vision-card, .mission-card {
    position: relative;
    overflow: hidden;
}

.vision-card::after, .mission-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.vision-card:hover::after, .mission-card:hover::after {
    left: 100%;
}

.vision-card:hover h4, .mission-card:hover h4 {
    animation: glow 1s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 5px rgba(37, 99, 235, 0.3);
    }
    to {
        text-shadow: 0 0 20px rgba(37, 99, 235, 0.6), 0 0 30px rgba(37, 99, 235, 0.4);
    }
}

.vision-card h4, .mission-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
    font-weight: 600;
}

/* 제품소개 섹션 */
.products-section {
    background: white;
}

.product-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 2rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 0.5rem;
    text-align: center;
}

.category-subtitle {
    font-size: 1.2rem;
    color: #6b7280;
    text-align: center;
    margin-bottom: 3rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.products-grid.single-product {
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 0 auto;
}

.product-card {
    color: white;
    padding: 3rem;
    border-radius: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card.green-x {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.product-card.manufacturing {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.product-card.dataspace {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.product-card.ocr-solution {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.product-card:hover::before {
    transform: translateX(100%);
}

.product-card:hover .product-icon {
    animation: flip 0.8s ease-in-out;
}

.product-card:hover .product-badge {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.3);
}

.product-card:hover ul li {
    animation: slideInRight 0.3s ease-out forwards;
    opacity: 0;
    transform: translateX(20px);
}

.product-card:hover ul li:nth-child(1) { animation-delay: 0.1s; }
.product-card:hover ul li:nth-child(2) { animation-delay: 0.2s; }
.product-card:hover ul li:nth-child(3) { animation-delay: 0.3s; }
.product-card:hover ul li:nth-child(4) { animation-delay: 0.4s; }
.product-card:hover ul li:nth-child(5) { animation-delay: 0.5s; }
.product-card:hover ul li:nth-child(6) { animation-delay: 0.6s; }

@keyframes flip {
    0% { transform: rotateY(0deg) scale(1); }
    50% { transform: rotateY(180deg) scale(1.2); }
    100% { transform: rotateY(360deg) scale(1); }
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.product-header {
    margin-bottom: 2rem;
    position: relative;
}

.product-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 0.5rem;
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.product-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.product-card h3,
.product-card h4 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.product-content ul {
    list-style: none;
}

.product-content li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.product-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #fbbf24;
    font-weight: bold;
}

/* 서비스소개 섹션 */
.services-section {
    background: #f8fafc;
}

.services-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    user-select: none;
}

.service-item:hover {
    transform: translateY(-12px) rotateX(5deg);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
}

.service-item {
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: transform 0.6s ease;
    transform: rotate(0deg);
}

.service-item:hover::before {
    transform: rotate(360deg);
}

.service-item:hover .service-icon {
    animation: wiggle 0.6s ease-in-out;
    color: #2563eb;
}

.service-item:hover h3 {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(-5deg) scale(1.1); }
    75% { transform: rotate(5deg) scale(1.1); }
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.service-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #2563eb;
    font-weight: 600;
}

.service-item p {
    color: #4b5563;
    line-height: 1.6;
}

/* 탄소배출 최적운영 카드 특별 스타일 */
#carbonOptimizationCard {
    position: relative;
    cursor: pointer !important;
    z-index: 1;
}

#carbonOptimizationCard:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 2px solid #3b82f6;
}

#carbonOptimizationCard::after {
    /* content: '🔍 클릭하여 자세히 보기'; */
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: #6b7280;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#carbonOptimizationCard:hover::after {
    opacity: 1;
}

/* 모달이 열렸을 때 body 스크롤 방지 */
body.modal-open {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
}

/* 기술정보 섹션 */
.tech-info-section {
    background: #f8fafc;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #6b7280;
    margin-bottom: 4rem;
    font-weight: 400;
}

.tech-category {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.tech-category-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.tech-icon {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    filter: grayscale(0);
}

.tech-content {
    display: grid;
    gap: 2rem;
}

.tech-overview {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 15px;
    margin-bottom: 2rem;
}

.tech-overview h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 1rem;
}

.tech-overview p {
    font-size: 1.1rem;
    color: #4b5563;
    line-height: 1.6;
}

.tech-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tech-feature {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.tech-feature:hover {
    border-color: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.1);
}

.tech-feature h5 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-feature ul {
    list-style: none;
    padding: 0;
}

.tech-feature li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
}

.tech-feature li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-size: 0.8rem;
}

/* 기술 문의 섹션 */
.tech-contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 3rem;
    color: white;
    text-align: center;
    margin-top: 4rem;
}

.tech-contact h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-card p {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.contact-card span {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 모바일 반응형 - 기술정보 섹션 */
@media (max-width: 768px) {
    .tech-category {
        padding: 2rem;
    }
    
    .tech-category-title {
        font-size: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .tech-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    
    .tech-details {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tech-feature {
        padding: 1.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tech-contact {
        padding: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .map-overlay {
        position: static;
        margin-bottom: 1rem;
        width: 100%;
    }
    
    .map-info h4 {
        font-size: 1.1rem;
    }
    
    .map-button {
        width: 100%;
        text-align: center;
    }
    
    /* Digital LCA 페이지 모바일 최적화 */
    .lca-title {
        font-size: 2.5rem;
    }
    
    .lca-description {
        font-size: 1.1rem;
    }
    
    .lca-key-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .lca-showcase-grid,
    .cbam-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 1rem;
        max-width: 350px;
    }
    
    .lca-stat-item,
    .cbam-stat-item {
        padding: 1rem;
        min-height: 100px;
    }
    
    .lca-stat-item .platform-icon,
    .cbam-stat-item .platform-icon {
        font-size: 2rem;
    }
    
    .lca-stat-item h4,
    .cbam-stat-item h4 {
        font-size: 0.9rem;
    }
    
    .lca-stat-item .stat-value,
    .cbam-stat-item .stat-value {
        font-size: 1.5rem;
    }
    
    .features-grid,
    .interface-grid,
    .specs-grid,
    .reports-grid {
        grid-template-columns: 1fr;
    }
    
    .aiot-items {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .iso-standards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .calc-flow {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        font-size: 1.2rem;
    }
    
    .automation-features {
        grid-template-columns: 1fr;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .home-icon {
        display: none; /* 모바일에서 홈 아이콘 숨김 */
    }
    
    /* Digital CBAM 모바일 최적화 */
    .cbam-title {
        font-size: 2.5rem;
    }
    
    .cbam-description {
        font-size: 1.1rem;
    }
    
    .cbam-key-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* mOMS 모바일 최적화 */
    .moms-title {
        font-size: 2.5rem;
    }
    
    .moms-description {
        font-size: 1.1rem;
    }
    
    .moms-key-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .moms-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 1rem;
        max-width: 350px;
    }
    
    .moms-stat-item {
        padding: 1rem;
        min-height: 100px;
    }
    
    .moms-stat-item .platform-icon {
        font-size: 2rem;
    }
    
    .moms-stat-item h4 {
        font-size: 0.9rem;
    }
    
    .moms-stat-item .stat-value {
        font-size: 1.5rem;
    }
    
    /* mOMS 특별 섹션 모바일 최적화 */
    .flow-timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        gap: 1rem;
        transform: translateX(0) !important;
    }
    
    .timeline-marker {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
    }
    
    .marker-icon {
        font-size: 2rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .dashboard-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .efficiency-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .circular-progress {
        transform: scale(0.8);
    }
    
    /* 데이터스페이스 모바일 최적화 */
    .dataspace-title {
        font-size: 2.5rem;
    }
    
    .dataspace-description {
        font-size: 1.1rem;
    }
    
    .dataspace-key-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .marketplace-categories {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .data-products,
    .additional-products {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .blockchain-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .interop-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .monitoring-dashboard {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .map-expand-button {
        width: 35px;
        height: 35px;
        top: 15px;
        right: 15px;
    }
    
    .map-expand-button svg {
        width: 18px;
        height: 18px;
    }
    
    .address-overlay {
        bottom: 15px;
        left: 15px;
        right: 15px;
    }
    
    .address-box {
        padding: 0.8rem 1rem;
    }
    
    .address-box p {
        font-size: 0.9rem;
    }
}

/* 위치 섹션 */
.location-section {
    background: #f8fafc;
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.location-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #2563eb;
    font-weight: 600;
}

.address {
    margin-bottom: 2rem;
}

.address p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: #4b5563;
}

.transport h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #374151;
    font-weight: 600;
}

.transport ul {
    list-style: none;
}

.transport li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
}

.transport li::before {
    content: '🚇';
    position: absolute;
    left: 0;
}

.map-container {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    min-height: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.naver-map-iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 15px;
}

.map-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.map-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.map-info p {
    font-size: 0.9rem;
    color: #4b5563;
    margin-bottom: 0.3rem;
}

.map-button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 0.7rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-top: 1rem;
}

.map-button:hover {
    background: #1d4ed8;
}

.map-expand-button {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 15;
    color: #2563eb;
}

.map-expand-button:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.map-expand-button svg {
    width: 20px;
    height: 20px;
}

.naver-map-iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 15px;
    filter: contrast(1.1) saturate(1.1);
}

/* 주소 정보 오버레이 */
.address-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    z-index: 10;
}

.address-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.address-box p {
    margin: 0;
    font-size: 1rem;
    color: #1f2937;
    font-weight: 500;
}

.address-box strong {
    color: #2563eb;
}

/* Home 아이콘 스타일 */
.home-icon {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

.home-icon a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 10px;
    color: #2563eb;
    transition: all 0.3s ease;
    text-decoration: none;
}

.home-icon a:hover {
    background: #2563eb;
    color: white;
    transform: scale(1.05);
}

/* Digital LCA 페이지 스타일 */
.lca-hero {
    height: 100vh;
}

.lca-hero-content {
    color: white;
}

.lca-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.lca-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

.lca-key-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.lca-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1.5rem;
    width: 100%;
    height: 100%;
    max-width: 500px;
}

.lca-stat-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 1.2rem;
    text-align: center;
    color: white;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid rgba(255, 255, 255, 0.2);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.lca-stat-item .platform-icon {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.lca-stat-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.lca-stat-item .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: #fbbf24;
    line-height: 1;
}

.lca-stat-item .stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 0.3rem;
    line-height: 1.1;
}

.lca-stat-item:hover {
    transform: translateY(-5px) scale(1.02);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.lca-stat-item .platform-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.lca-stat-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.lca-stat-item .stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fbbf24;
}

.lca-stat-item .stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* LCA 기능 섹션 */
.lca-features-section {
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* LCA 화면구성 섹션 */
.lca-interface-section {
    background: white;
}

.interface-overview {
    text-align: center;
    margin-bottom: 4rem;
}

.interface-overview h3 {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.interface-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.interface-item {
    text-align: center;
}

.interface-preview {
    margin-bottom: 1.5rem;
}

.screen-mockup {
    background: #1f2937;
    border-radius: 15px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.screen-header {
    background: #374151;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.screen-content {
    display: grid;
    gap: 0.5rem;
    height: 120px;
}

.chart-area, .data-summary, .process-flow, .impact-data, 
.report-template, .export-options, .config-panel, .data-sources {
    background: #4b5563;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d1d5db;
    font-size: 0.8rem;
}

.interface-item h4 {
    font-size: 1.3rem;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

/* LCA Specification 섹션 */
.lca-specs-section {
    background: #f8fafc;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.spec-category {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.spec-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* 모든 Specification 카드 색상 엣지 */
.spec-category:nth-child(1) {
    border-left: 4px solid #f59e0b;
}

.spec-category:nth-child(1) h3::before {
    content: '💻 ';
    margin-right: 0.5rem;
}

.spec-category:nth-child(2) {
    border-left: 4px solid #8b5cf6;
}

.spec-category:nth-child(2) h3::before {
    content: '📋 ';
    margin-right: 0.5rem;
}

.spec-category:nth-child(3) {
    border-left: 4px solid #ef4444;
}

.spec-category:nth-child(3) h3::before {
    content: '⚙️ ';
    margin-right: 0.5rem;
}

.spec-category:nth-child(4) {
    border-left: 4px solid #06b6d4;
}

.spec-category:nth-child(4) h3::before {
    content: '🔗 ';
    margin-right: 0.5rem;
}

.spec-category:nth-child(5) {
    border-left: 4px solid #3b82f6;
}

.spec-category:nth-child(5) h3::before {
    content: '☁️ ';
    margin-right: 0.5rem;
}

.spec-category:nth-child(6) {
    border-left: 4px solid #10b981;
}

.spec-category:nth-child(6) h3::before {
    content: '🏢 ';
    margin-right: 0.5rem;
}

.spec-category h3 {
    font-size: 1.5rem;
    color: #2563eb;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.spec-table {
    display: grid;
    gap: 1rem;
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: #374151;
}

.spec-value {
    color: #4b5563;
}

/* AIoT 섹션 */
.lca-aiot-section {
    background: white;
}

.aiot-overview {
    text-align: center;
    margin-bottom: 3rem;
}

.aiot-overview h3 {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.aiot-architecture {
    display: grid;
    gap: 2rem;
}

.aiot-layer {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 15px;
    padding: 2rem;
    border-left: 4px solid #10b981;
}

.aiot-layer h4 {
    font-size: 1.4rem;
    color: #1f2937;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.aiot-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.aiot-item {
    background: white;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.aiot-item:hover {
    transform: translateY(-5px);
}

.sensor-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.aiot-item span {
    font-size: 0.9rem;
    color: #4b5563;
    font-weight: 500;
}

/* ISO Calculation 레이어 특별 스타일 */
.iso-calculation-layer {
    background: linear-gradient(135deg, #e0f2fe 0%, #b3e5fc 100%);
    border-left: 4px solid #0277bd;
    padding: 3rem;
}

.iso-standards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.iso-standard {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.iso-standard:hover {
    transform: translateY(-5px);
    border-color: #0277bd;
    box-shadow: 0 8px 25px rgba(2, 119, 189, 0.2);
}

.iso-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.iso-standard h5 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #0277bd;
    margin-bottom: 0.5rem;
}

.iso-standard p {
    font-size: 0.9rem;
    color: #4b5563;
    margin-bottom: 1rem;
}

.iso-status {
    background: #10b981;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.calculation-process {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    margin-top: 2rem;
}

.calculation-process h5 {
    font-size: 1.4rem;
    color: #0277bd;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 600;
}

.calc-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.calc-step {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    min-width: 120px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.calc-step:hover {
    transform: scale(1.05);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.calc-step span {
    font-size: 0.9rem;
    color: #374151;
    font-weight: 500;
}

.flow-arrow {
    font-size: 1.5rem;
    color: #0277bd;
    font-weight: bold;
}

/* Reports 섹션 */
.lca-reports-section {
    background: #f8fafc;
}

.reports-overview {
    text-align: center;
    margin-bottom: 3rem;
}

.reports-overview h3 {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.report-type {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.report-type:hover {
    transform: translateY(-5px);
}

.report-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.report-type h4 {
    font-size: 1.4rem;
    color: #1f2937;
    margin-bottom: 1rem;
    font-weight: 600;
}

.report-type ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.report-type li {
    padding: 0.3rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.2rem;
}

.report-type li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.report-formats {
    display: flex;
    gap: 0.5rem;
}

.format-tag {
    background: #e0f2fe;
    color: #0277bd;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.report-automation {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 3rem;
    color: white;
    text-align: center;
}

.report-automation h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.automation-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.auto-feature {
    text-align: center;
}

.auto-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.auto-feature h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.auto-feature p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* LCA 문의 섹션 */
.lca-contact-section {
    background: white;
}

.lca-contact {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
}

.lca-contact h2 {
    font-size: 2.5rem;
    color: #1f2937;
    margin-bottom: 1rem;
}

.lca-contact p {
    font-size: 1.2rem;
    color: #4b5563;
    margin-bottom: 2rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-btn.primary {
    background: #2563eb;
    color: white;
}

.contact-btn.primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.contact-btn.secondary {
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.contact-btn.secondary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

/* Digital CBAM 페이지 스타일 */
.cbam-hero {
    height: 100vh;
}

.cbam-hero-content {
    color: white;
}

.cbam-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cbam-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

.cbam-key-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.cbam-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1.5rem;
    width: 100%;
    height: 100%;
    max-width: 500px;
}

.cbam-stat-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 1.2rem;
    text-align: center;
    color: white;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid rgba(255, 255, 255, 0.2);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.cbam-stat-item .platform-icon {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.cbam-stat-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.cbam-stat-item .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: #fbbf24;
    line-height: 1;
}

.cbam-stat-item .stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 0.3rem;
    line-height: 1.1;
}

.cbam-stat-item:hover {
    transform: translateY(-5px) scale(1.02);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* CBAM 기능 섹션 */
.cbam-features-section {
    background: #f8fafc;
}

/* CBAM 화면구성 섹션 */
.cbam-interface-section {
    background: white;
}

/* CBAM Specification 섹션 */
.cbam-specs-section {
    background: #f8fafc;
}

/* CBAM AIoT 섹션 */
.cbam-aiot-section {
    background: white;
}

/* CBAM Reports 섹션 */
.cbam-reports-section {
    background: #f8fafc;
}

/* CBAM 문의 섹션 */
.cbam-contact-section {
    background: white;
}

.cbam-contact {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
}

.cbam-contact h2 {
    font-size: 2.5rem;
    color: #1f2937;
    margin-bottom: 1rem;
}

.cbam-contact p {
    font-size: 1.2rem;
    color: #4b5563;
    margin-bottom: 2rem;
}

/* mOMS 페이지 스타일 */
.moms-hero {
    height: 100vh;
}

.moms-hero-content {
    color: white;
}

.moms-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.moms-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

.moms-key-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.moms-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1.5rem;
    width: 100%;
    height: 100%;
    max-width: 500px;
}

.moms-stat-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 1.2rem;
    text-align: center;
    color: white;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid rgba(255, 255, 255, 0.2);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.moms-stat-item .platform-icon {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.moms-stat-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.moms-stat-item .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: #fbbf24;
    line-height: 1;
}

.moms-stat-item .stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 0.3rem;
    line-height: 1.1;
}

.moms-stat-item:hover {
    transform: translateY(-5px) scale(1.02);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* mOMS 최적화 프로세스 섹션 */
.moms-optimization-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 6rem 0;
}

.optimization-flow {
    max-width: 1000px;
    margin: 0 auto;
}

.flow-timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.flow-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #f59e0b, #10b981);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 3rem;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
    transform: translateX(50px);
}

.timeline-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.timeline-marker {
    position: relative;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.marker-icon {
    font-size: 2.5rem;
    animation: bounce 2s ease-in-out infinite;
}

.pulse-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid #f59e0b;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1.2); opacity: 0; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #f59e0b;
}

.timeline-content h3 {
    font-size: 1.8rem;
    color: #1f2937;
    margin-bottom: 1rem;
    font-weight: 600;
}

.timeline-content p {
    color: #4b5563;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.efficiency-metrics {
    display: flex;
    gap: 2rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #f59e0b;
    line-height: 1;
}

.metric-label {
    font-size: 0.9rem;
    color: #6b7280;
    margin-top: 0.5rem;
}

/* 실시간 대시보드 섹션 */
.moms-dashboard-section {
    background: #1f2937;
    color: white;
    padding: 6rem 0;
}

.dashboard-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.efficiency-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.efficiency-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.efficiency-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.card-icon {
    font-size: 2.5rem;
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.live-indicator {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.card-content {
    text-align: center;
}

.circular-progress {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    stroke-dasharray: 326.73;
    stroke-dashoffset: 326.73;
    animation: progressFill 2s ease-in-out forwards;
}

@keyframes progressFill {
    to {
        stroke-dashoffset: calc(326.73 - (326.73 * var(--percentage)) / 100);
    }
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.progress-value {
    font-size: 2rem;
    font-weight: 700;
    color: #fbbf24;
}

.trend-indicator {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    display: inline-block;
}

.trend-indicator.up {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.dashboard-sidebar {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.optimization-panel h3 {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #fbbf24;
}

.optimization-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.opt-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1rem;
    border-left: 4px solid #6b7280;
    transition: all 0.3s ease;
}

.opt-item.active {
    border-left-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.opt-item.warning {
    border-left-color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
}

.opt-item:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.1);
}

.opt-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.opt-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.opt-info {
    flex: 1;
}

.opt-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
}

.opt-status {
    display: block;
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.2rem;
}

.opt-progress {
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #f59e0b, #10b981);
    border-radius: 3px;
    transition: width 1s ease;
    animation: progressSlide 2s ease-in-out infinite;
}

@keyframes progressSlide {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* mOMS 화면구성 섹션 */
.moms-interface-section {
    background: white;
}

/* mOMS Specification 섹션 */
.moms-specs-section {
    background: #f8fafc;
}

/* mOMS AIoT 섹션 */
.moms-aiot-section {
    background: white;
}

/* mOMS Reports 섹션 */
.moms-reports-section {
    background: #f8fafc;
}

/* mOMS 문의 섹션 */
.moms-contact-section {
    background: white;
}

.moms-contact {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
}

.moms-contact h2 {
    font-size: 2.5rem;
    color: #1f2937;
    margin-bottom: 1rem;
}

.moms-contact p {
    font-size: 1.2rem;
    color: #4b5563;
    margin-bottom: 2rem;
}

/* 데이터스페이스 페이지 스타일 */
.dataspace-hero {
    height: 100vh;
    position: relative;
}

.dataspace-hero-content {
    color: white;
}

.dataspace-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.dataspace-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

.dataspace-key-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* 데이터 플로우 애니메이션 */
.data-flow-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.data-node {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid rgba(59, 130, 246, 0.3);
    animation: nodeFloat 4s ease-in-out infinite;
}

.node-1 { top: 20%; left: 15%; animation-delay: 0s; }
.node-2 { top: 30%; right: 20%; animation-delay: 1s; }
.node-3 { bottom: 40%; left: 20%; animation-delay: 2s; }
.node-4 { bottom: 20%; right: 15%; animation-delay: 3s; }

.node-pulse {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid #3b82f6;
    border-radius: 50%;
    animation: nodePulse 3s ease-in-out infinite;
}

@keyframes nodeFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.05); }
}

@keyframes nodePulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}

.central-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
}

.hub-core {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(16, 185, 129, 0.5);
    animation: hubRotate 8s linear infinite;
}

.hub-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.blockchain-ring {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border: 2px dashed #10b981;
    border-radius: 50%;
    animation: blockchainRotate 10s linear infinite;
}

@keyframes hubRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes blockchainRotate {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

.data-stream {
    position: absolute;
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, #3b82f6, transparent);
    opacity: 0;
}

.stream-1 { top: 25%; left: 25%; animation-delay: 0s; }
.stream-2 { top: 35%; right: 30%; animation-delay: 0.5s; }
.stream-3 { bottom: 45%; left: 30%; animation-delay: 1s; }
.stream-4 { bottom: 25%; right: 25%; animation-delay: 1.5s; }
.stream-5 { top: 60%; left: 45%; animation-delay: 2s; }
.stream-6 { top: 40%; right: 45%; animation-delay: 2.5s; }

@keyframes streamFlow {
    0% { transform: translateY(0); opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { transform: translateY(100px); opacity: 0; }
}

/* 아키텍처 섹션 */
.dataspace-architecture-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 6rem 0;
}

.architecture-layout {
    max-width: 1200px;
    margin: 0 auto;
}

.data-layer {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.data-layer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    animation: layerScan 4s ease-in-out infinite;
}

@keyframes layerScan {
    0% { left: -100%; }
    50% { left: 0%; }
    100% { left: 100%; }
}

.layer-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.layer-icon {
    font-size: 3rem;
    background: rgba(59, 130, 246, 0.2);
    padding: 1rem;
    border-radius: 15px;
}

.layer-header h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.layer-header p {
    font-size: 1rem;
    opacity: 0.8;
}

.layer-components {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.component-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.component-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
}

.comp-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.component-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 블록체인 섹션 */
.dataspace-blockchain-section {
    background: #1e293b;
    color: white;
    padding: 6rem 0;
}

.blockchain-network {
    position: relative;
    height: 400px;
    margin: 3rem 0;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
    overflow: hidden;
}

.blockchain-node {
    position: absolute;
    text-align: center;
}

.node-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.node-1 { top: 20%; left: 20%; }
.node-2 { top: 20%; right: 20%; }
.node-3 { bottom: 20%; left: 20%; }
.node-4 { bottom: 20%; right: 20%; }

.node-core {
    width: 80px;
    height: 80px;
    background: rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border: 3px solid #10b981;
    margin-bottom: 0.5rem;
    animation: nodeGlow 3s ease-in-out infinite;
}

@keyframes nodeGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.3); }
    50% { box-shadow: 0 0 40px rgba(16, 185, 129, 0.8); }
}

.rotating-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid #3b82f6;
    border-top-color: transparent;
    border-radius: 50%;
    animation: ringRotate 2s linear infinite;
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.node-label {
    font-size: 0.8rem;
    opacity: 0.9;
}

.blockchain-connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, #10b981, #3b82f6);
    opacity: 0;
}

.conn-1 {
    top: 30%;
    left: 25%;
    width: 25%;
    transform: rotate(15deg);
}

.conn-2 {
    top: 30%;
    right: 25%;
    width: 25%;
    transform: rotate(-15deg);
}

.conn-3 {
    bottom: 30%;
    left: 25%;
    width: 25%;
    transform: rotate(-15deg);
}

.conn-4 {
    bottom: 30%;
    right: 25%;
    width: 25%;
    transform: rotate(15deg);
}

@keyframes connectionPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; box-shadow: 0 0 10px #3b82f6; }
}

.data-packet {
    position: absolute;
    font-size: 1rem;
    animation: dataPacketFlow 3s linear infinite;
}

.packet-1 { top: 25%; left: 20%; }
.packet-2 { top: 30%; right: 20%; }
.packet-3 { bottom: 35%; left: 20%; }
.packet-4 { bottom: 25%; right: 20%; }

@keyframes dataPacketFlow {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    50% { transform: translate(200px, 100px) scale(1.2); opacity: 0.8; }
    100% { transform: translate(400px, 200px) scale(0.8); opacity: 0; }
}

.blockchain-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.blockchain-feature {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.blockchain-feature:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.2);
}

/* 마켓플레이스 섹션 */
.dataspace-marketplace-section {
    background: white;
    padding: 6rem 0;
}

.marketplace-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.category-item {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-item.active {
    background: #3b82f6;
    color: white;
    border-color: #1d4ed8;
    transform: translateY(-5px);
}

.category-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.category-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.data-count {
    font-size: 0.9rem;
    opacity: 0.8;
}

.data-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.data-product {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.data-product.featured {
    border-color: #f59e0b;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
}

.data-product:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.product-badge {
    background: #3b82f6;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-badge:contains("인기") {
    background: #ef4444;
}

.product-badge:contains("프리미엄") {
    background: #8b5cf6;
}

.product-rating {
    font-size: 0.9rem;
    font-weight: 600;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.data-product h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.data-product p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.product-stats {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.stat {
    background: #e5e7eb;
    color: #374151;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.product-price {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6;
}

.period {
    font-size: 0.9rem;
    color: #6b7280;
}

/* 추가 전문 데이터셋 */
.additional-datasets {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid #e5e7eb;
}

.additional-datasets h3 {
    text-align: center;
    font-size: 2rem;
    color: #1f2937;
    margin-bottom: 3rem;
    font-weight: 600;
}

.additional-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.data-product.specialty {
    border: 2px solid #8b5cf6;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    position: relative;
    overflow: hidden;
}

.data-product.specialty::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.data-product.specialty:hover::before {
    left: 100%;
}

.data-product.specialty:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 25px 50px rgba(139, 92, 246, 0.2);
    border-color: #7c3aed;
}

/* 전문 데이터셋 배지 색상 */
.data-product.specialty .product-badge {
    background: #8b5cf6;
}

.data-product.specialty .product-badge:contains("공급망") {
    background: #059669;
}

.data-product.specialty .product-badge:contains("화학") {
    background: #dc2626;
}

/* 상호운용성 섹션 */
.dataspace-interop-section {
    background: #f8fafc;
    padding: 6rem 0;
}

.interop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.interop-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.interop-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.card-animation {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.sovereignty-shield {
    position: relative;
    width: 80px;
    height: 80px;
}

.shield-core {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.shield-ring {
    position: absolute;
    border: 2px solid #3b82f6;
    border-radius: 50%;
    animation: shieldPulse 2s ease-in-out infinite;
}

.ring-1 { top: -60px; left: -10px; right: -10px; bottom: -10px; animation-delay: 0s; }
.ring-2 { top: -70px; left: -20px; right: -20px; bottom: -20px; animation-delay: 0.5s; }
.ring-3 { top: -80px; left: -30px; right: -30px; bottom: -30px; animation-delay: 1s; }

@keyframes shieldPulse {
    0% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.5); }
}

/* 실시간 모니터링 섹션 */
.dataspace-monitoring-section {
    background: #111827;
    color: white;
    padding: 6rem 0;
}

.monitoring-dashboard {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.flow-monitor {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.monitor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.live-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

.flow-visualization {
    position: relative;
    height: 300px;
}

.data-source {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    min-width: 120px;
}

.source-1 { 
    top: 0%; 
    left: 50%; 
    transform: translateX(-50%);
}

.source-2 { 
    top: 100%; 
    right: 8%; 
    transform: translateY(-50%);
}

.source-3 { 
    bottom: -90%; 
    left: 50%; 
    transform: translateX(-50%);
}

.source-4 { 
    top: 100%; 
    left: 8%; 
    transform: translateY(-50%);
}

.source-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.data-source span {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.data-flow-rate {
    font-size: 0.9rem;
    color: #fbbf24;
    font-weight: 600;
}

.central-dataspace-hub {
    position: absolute;
    top: 65%;
    left: 50%;
    transform: translate(-50%, calc(-50% + 100px));
    text-align: center;
    z-index: 10;
}

.hub-animation {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hub-ring {
    position: absolute;
    border: 2px solid #3b82f6;
    border-radius: 50%;
    animation: hubRingRotate 4s linear infinite;
}

.ring-1 { 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0; 
    animation-delay: 0s; 
}

.ring-2 { 
    top: -15px; 
    left: -15px; 
    right: -15px; 
    bottom: -15px; 
    animation-delay: 1s; 
}

.ring-3 { 
    top: -30px; 
    left: -30px; 
    right: -30px; 
    bottom: -30px; 
    animation-delay: 2s; 
}

@keyframes hubRingRotate {
    from { transform: rotate(0deg); border-color: #3b82f6; }
    50% { border-color: #10b981; }
    to { transform: rotate(360deg); border-color: #3b82f6; }
}

.hub-core {
    position: absolute;
    top: 0%;
    left: 0%;
    transform: translate(-50%, -50%);
    background: rgba(59, 130, 246, 0.3);
    backdrop-filter: blur(15px);
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 3px solid #3b82f6;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.hub-core .hub-icon {
    font-size: 2.5rem;
    margin-bottom: 0.3rem;
    color: white;
}

.hub-core span {
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    text-align: center;
    line-height: 1.1;
}

.flow-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, #10b981, transparent);
    opacity: 0;
}

.line-1 {
    top: 50%;
    left: 50%;
    width: 4px;
    height: 55%;
    transform: translateX(-50%);
    background: linear-gradient(to bottom, transparent, #10b981, rgba(16, 185, 129, 0.8), transparent);
}

.line-2 {
    top: 100%;
    right: 18%;
    width: 27%;
    height: 3px;
    transform: translateY(-50%);
    background: linear-gradient(to left, transparent, #10b981, rgba(16, 185, 129, 0.6), transparent);
}

.line-3 {
    bottom: -40%;
    left: 50%;
    width: 4px;
    height: 40%;
    transform: translateX(-50%);
    background: linear-gradient(to top, transparent, #10b981, rgba(16, 185, 129, 0.8), transparent);
}

.line-4 {
    top: 100%;
    left: 18%;
    width: 27%;
    height: 3px;
    transform: translateY(-50%);
    background: linear-gradient(to right, transparent, #10b981, rgba(16, 185, 129, 0.6), transparent);
}

@keyframes flowPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; box-shadow: 0 0 15px #10b981; }
}

.monitoring-stats {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-panel h4 {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #fbbf24;
}

.stats-grid {
    display: grid;
    gap: 1.5rem;
}

.stat-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.stat-item .stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 0.2rem;
}

.stat-unit {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* 데이터스페이스 문의 섹션 */
.dataspace-contact-section {
    background: white;
}

.dataspace-contact {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
}

.dataspace-contact h2 {
    font-size: 2.5rem;
    color: #1f2937;
    margin-bottom: 1rem;
}

.dataspace-contact p {
    font-size: 1.2rem;
    color: #4b5563;
    margin-bottom: 2rem;
}

/* sLM OCR 페이지 스타일 */
.ocr-hero {
    height: 100vh;
    position: relative;
}

.ocr-hero-content {
    color: white;
}

.ocr-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.ocr-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

.ocr-key-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.ocr-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1.5rem;
    width: 100%;
    height: 100%;
    max-width: 500px;
}

.ocr-stat-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 1.2rem;
    text-align: center;
    color: white;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid rgba(255, 255, 255, 0.2);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.ocr-stat-item .platform-icon {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.ocr-stat-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.ocr-stat-item .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: #fbbf24;
    line-height: 1;
}

.ocr-stat-item .stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 0.3rem;
    line-height: 1.1;
}

.ocr-stat-item:hover {
    transform: translateY(-5px) scale(1.02);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* OCR 텍스트 파티클 애니메이션 */
.ocr-data-streams {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.text-particle {
    position: absolute;
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0;
    text-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

.text-particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.text-particle:nth-child(2) { top: 20%; right: 25%; animation-delay: 0.5s; }
.text-particle:nth-child(3) { top: 30%; left: 15%; animation-delay: 1s; }
.text-particle:nth-child(4) { top: 60%; right: 20%; animation-delay: 1.5s; }
.text-particle:nth-child(5) { bottom: 40%; left: 25%; animation-delay: 2s; }
.text-particle:nth-child(6) { bottom: 30%; right: 15%; animation-delay: 2.5s; }
.text-particle:nth-child(7) { top: 70%; left: 30%; animation-delay: 3s; }
.text-particle:nth-child(8) { top: 50%; right: 35%; animation-delay: 3.5s; }
.text-particle:nth-child(9) { bottom: 60%; left: 35%; animation-delay: 4s; }
.text-particle:nth-child(10) { bottom: 50%; right: 30%; animation-delay: 4.5s; }

@keyframes textFloat {
    0%, 100% { 
        transform: translateY(0) scale(1) rotate(0deg); 
        opacity: 0.8; 
    }
    25% { 
        transform: translateY(-20px) scale(1.2) rotate(5deg); 
        opacity: 1; 
    }
    50% { 
        transform: translateY(-10px) scale(0.9) rotate(-3deg); 
        opacity: 0.9; 
    }
    75% { 
        transform: translateY(-30px) scale(1.1) rotate(8deg); 
        opacity: 1; 
    }
}

/* 대용량 고속 처리 섹션 */
.ocr-processing-section {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    padding: 6rem 0;
}

.processing-visualization {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.data-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.pipeline-stage {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    min-width: 280px;
    transition: all 0.4s ease;
}

.pipeline-stage:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stage-header {
    margin-bottom: 2rem;
}

.stage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stage-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.data-flow-meter {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.meter-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.meter-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    width: 0%;
    transition: width 2s ease-in-out;
    border-radius: 4px;
}

.meter-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fbbf24;
}

.processing-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pipeline-arrow {
    font-size: 2rem;
    color: #fbbf24;
    font-weight: bold;
}

.real-time-dashboard {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.real-time-dashboard h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.processing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.process-monitor {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.monitor-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.live-chart {
    display: flex;
    align-items: end;
    justify-content: center;
    gap: 0.3rem;
    height: 80px;
    margin-bottom: 1rem;
}

.chart-bar {
    width: 12px;
    background: linear-gradient(to top, #8b5cf6, #a855f7);
    border-radius: 6px;
    opacity: 0;
    animation: barPulse 2s ease-in-out infinite;
}

@keyframes barPulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.2); }
}

.neural-network {
    position: relative;
    height: 80px;
    margin-bottom: 1rem;
}

.neuron {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #fbbf24;
    border-radius: 50%;
    box-shadow: 0 0 15px #fbbf24;
}

.n1 { top: 20%; left: 20%; }
.n2 { top: 60%; left: 20%; }
.n3 { top: 20%; right: 20%; }
.n4 { top: 60%; right: 20%; }

@keyframes neuronPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, #fbbf24, #8b5cf6);
}

.c1 { top: 30%; left: 25%; width: 50%; }
.c2 { top: 70%; left: 25%; width: 50%; }
.c3 { top: 50%; left: 35%; width: 30%; transform: rotate(45deg); }

@keyframes connectionFlow {
    0% { opacity: 0.3; }
    50% { opacity: 1; box-shadow: 0 0 10px #8b5cf6; }
    100% { opacity: 0.3; }
}

.data-stream-visual {
    height: 80px;
    position: relative;
    margin-bottom: 1rem;
}

.stream-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #8b5cf6, transparent);
}

.s1 { top: 20%; animation: streamFlow 2s linear infinite; }
.s2 { top: 40%; animation: streamFlow 2s linear infinite 0.5s; }
.s3 { top: 60%; animation: streamFlow 2s linear infinite 1s; }
.s4 { top: 80%; animation: streamFlow 2s linear infinite 1.5s; }

@keyframes streamFlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.monitor-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fbbf24;
}

/* Open Source Finetuning 섹션 */
.ocr-finetuning-section {
    background: white;
    padding: 6rem 0;
}

.finetuning-overview {
    text-align: center;
    margin-bottom: 4rem;
}

.finetuning-overview h3 {
    font-size: 2.5rem;
    color: #8b5cf6;
    margin-bottom: 1rem;
}

.model-showcase {
    background: #f8fafc;
    border-radius: 25px;
    padding: 4rem;
    margin-bottom: 4rem;
}

.model-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.model-stage {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    min-width: 300px;
    transition: all 0.4s ease;
}

.model-stage:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.model-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.model-stage h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1f2937;
}

.model-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.model-item {
    background: #8b5cf6;
    color: white;
    padding: 0.8rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.model-item:hover {
    background: #7c3aed;
    transform: scale(1.05);
}

.tuning-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.arrow-body {
    font-size: 3rem;
    color: #8b5cf6;
    font-weight: bold;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.tuning-label {
    background: #8b5cf6;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.performance-metrics {
    display: grid;
    gap: 1rem;
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.metric-label {
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 60px;
}

.metric-bar {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6, #a855f7);
    width: 0%;
    transition: width 2s ease-in-out;
    border-radius: 4px;
}

.metric-value {
    font-size: 1rem;
    font-weight: 700;
    color: #8b5cf6;
    min-width: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.ft-feature {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.ft-feature:hover {
    transform: translateY(-5px);
    border-color: #8b5cf6;
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.2);
}

.ft-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.ft-feature h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.ft-feature p {
    color: #6b7280;
    line-height: 1.5;
}

/* OCR 엔진 아키텍처 섹션 */
.ocr-engine-section {
    background: #1e293b;
    color: white;
    padding: 6rem 0;
}

.engine-architecture {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.engine-layers {
    display: grid;
    gap: 2rem;
}

.engine-layer {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.engine-layer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.2), transparent);
    animation: layerScan 5s ease-in-out infinite;
}

.layer-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.layer-icon {
    font-size: 2.5rem;
    background: rgba(139, 92, 246, 0.3);
    padding: 0.8rem;
    border-radius: 12px;
}

.layer-title h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.layer-components {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.component {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.component:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
}

.comp-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}

.component span {
    font-size: 0.9rem;
    font-weight: 500;
}

.activity-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
}

@keyframes activityBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.performance-dashboard {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.performance-dashboard h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #fbbf24;
}

.perf-grid {
    display: grid;
    gap: 2rem;
}

.perf-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.perf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.perf-trend.up {
    color: #10b981;
    font-size: 1.2rem;
}

.perf-chart {
    height: 60px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.throughput-wave {
    width: 80px;
    height: 40px;
    background: linear-gradient(45deg, #8b5cf6, #a855f7);
    border-radius: 50%;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: scaleX(1) scaleY(1); }
    50% { transform: scaleX(1.3) scaleY(0.7); }
}

.accuracy-gauge {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: conic-gradient(#8b5cf6 0deg, #8b5cf6 320deg, #e5e7eb 320deg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gauge-text {
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
}

.efficiency-bars {
    display: flex;
    align-items: end;
    justify-content: center;
    gap: 0.3rem;
    height: 60px;
}

.eff-bar {
    width: 8px;
    background: linear-gradient(to top, #8b5cf6, #a855f7);
    border-radius: 4px;
    animation: barGrow 1.5s ease-in-out infinite alternate;
}

@keyframes barGrow {
    0% { transform: scaleY(0.8); }
    100% { transform: scaleY(1); }
}

.perf-value {
    font-size: 1rem;
    font-weight: 600;
}

.perf-number {
    color: #fbbf24;
    font-size: 1.3rem;
}

.perf-unit {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* 기능 섹션 */
.ocr-features-section {
    background: #f8fafc;
    padding: 6rem 0;
}

.features-showcase {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-categories {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-category {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    min-width: 150px;
}

.feature-category.active {
    background: #8b5cf6;
    color: white;
    border-color: #7c3aed;
    transform: translateY(-5px);
}

.feature-category:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.cat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-category h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.feature-details {
    position: relative;
    min-height: 400px;
}

.feature-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.feature-content.active {
    opacity: 1;
    transform: translateY(0);
}

.feature-visual {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.text-recognition-demo {
    display: grid;
    gap: 2rem;
}

.demo-document {
    background: #f8fafc;
    border-radius: 15px;
    padding: 2rem;
    border: 2px dashed #8b5cf6;
}

.demo-text {
    background: white;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.demo-text.scanning::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.3), transparent);
    animation: textScan 2s ease-in-out infinite;
}

@keyframes textScan {
    0% { left: -100%; }
    100% { left: 100%; }
}

.recognition-process {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.process-step {
    background: #8b5cf6;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    animation: stepGlow 3s ease-in-out infinite;
}

@keyframes stepGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(139, 92, 246, 0.3); }
    50% { box-shadow: 0 0 25px rgba(139, 92, 246, 0.8); }
}

.feature-info {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-info h3 {
    font-size: 2rem;
    color: #8b5cf6;
    margin-bottom: 2rem;
    font-weight: 600;
}

.feature-info ul {
    list-style: none;
    display: grid;
    gap: 1rem;
}

.feature-info li {
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    border-left: 4px solid #8b5cf6;
    position: relative;
    padding-left: 2rem;
}

.feature-info li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    color: #8b5cf6;
    font-weight: bold;
}

/* OCR 문의 섹션 */
.ocr-contact-section {
    background: white;
}

.ocr-contact {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
}

.ocr-contact h2 {
    font-size: 2.5rem;
    color: #1f2937;
    margin-bottom: 1rem;
}

.ocr-contact p {
    font-size: 1.2rem;
    color: #4b5563;
    margin-bottom: 2rem;
}

/* 푸터 */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 35px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #2563eb;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* 반응형 디자인 */
@media (max-width: 1024px) {
    .hero-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .category-title {
        font-size: 1.8rem;
    }
    
    .category-subtitle {
        font-size: 1.1rem;
    }
    
    /* 태블릿에서 비디오 품질 조정 */
    .hero-video {
        filter: brightness(0.9);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1rem 0;
    }
    
    /* 모바일 드롭다운 */
    .dropdown-menu {
        position: static;
        opacity: 0;
        visibility: hidden;
        transform: none;
        background: rgba(240, 240, 240, 0.95);
        margin-top: 0.5rem;
        border-radius: 8px;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        min-width: auto;
        padding: 0;
    }
    
    .nav-item.dropdown.active .dropdown-menu {
        max-height: 200px;
        opacity: 1;
        visibility: visible;
        padding: 1rem;
    }
    
    .dropdown-menu li {
        flex: 1;
        min-width: calc(50% - 0.25rem);
    }
    
    .dropdown-link {
        padding: 0.6rem;
        font-size: 0.8rem;
        border-radius: 6px;
    }
    
    .hamburger.active .bar:nth-child(2) {
              opacity: 0;
  }

/* 모달 팝업 스타일 */
.modal {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* 모달이 닫힌 상태에서는 완전히 숨김 */
#carbonOptimizationModal:not(.show) {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.modal-content {
    background: white !important;
    border-radius: 20px !important;
    width: 90% !important;
    max-width: 1000px !important;
    max-height: 90vh !important;
    overflow: hidden !important;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8) !important;
    transform: scale(1) translateY(0) !important;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    position: relative !important;
    z-index: 10000000 !important;
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.modal.show .modal-content {
    transform: scale(1) translateY(0) !important;
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.modal-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

.modal-body {
    padding: 0;
}

/* 이미지 슬라이더 스타일 */
.image-slider-container {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.image-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
}

.slide.prev {
    transform: translateX(-100%);
}

.slide img {
    width: 50%;
    height: 100%;
    object-fit: cover;
    border-radius: 0 20px 20px 0;
}

.slide-content {
    flex: 1;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slide-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2d3748;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #4a5568;
    margin-bottom: 1.5rem;
}

.slide-content ul {
    list-style: none;
    padding: 0;
}

.slide-content li {
    padding: 0.5rem 0;
    font-size: 1rem;
    color: #2d3748;
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 0.5s ease-out forwards;
}

.slide-content li:nth-child(1) { animation-delay: 0.2s; }
.slide-content li:nth-child(2) { animation-delay: 0.4s; }
.slide-content li:nth-child(3) { animation-delay: 0.6s; }
.slide-content li:nth-child(4) { animation-delay: 0.8s; }

/* 슬라이더 컨트롤 */
.slider-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.slider-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    font-size: 1.5rem;
}

.slider-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.slider-btn:active {
    transform: scale(0.95);
}

.slider-indicators {
    display: flex;
    gap: 0.8rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.indicator.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: scale(1.3);
}

.indicator:hover {
    background: rgba(102, 126, 234, 0.6);
    transform: scale(1.1);
}

/* 애니메이션 키프레임 */
@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.2rem;
    }
    
    .image-slider-container {
        height: 500px;
    }
    
    .slide {
        flex-direction: column;
    }
    
    .slide img {
        width: 100%;
        height: 40%;
        border-radius: 0;
    }
    
    .slide-content {
        padding: 2rem 1.5rem;
        height: 60%;
    }
    
    .slide-content h3 {
        font-size: 1.5rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .slider-controls {
        bottom: 1rem;
        padding: 0.8rem 1.5rem;
        gap: 1.5rem;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}
      
      .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .company-content,
    .products-grid,
    .contact-content,
    .location-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-content {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .feature-card,
    .platform-item {
        padding: 1.5rem;
    }
    
    .product-card {
        padding: 2rem;
    }
    
    .category-title {
        font-size: 1.5rem;
    }
    
    .category-subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .footer-logo-img {
        height: 30px;
    }
    
    /* 모바일에서 비디오 성능 최적화 */
    .hero-video {
        filter: brightness(0.8) contrast(1.1);
    }
    
    /* 모바일에서 파티클 효과 간소화 */
    .particle.p3 {
        display: none; /* 모바일에서 파티클 수 줄이기 */
    }
    
    .particle {
        animation-duration: 4s !important; /* 모바일에서 애니메이션 속도 향상 */
    }
    
    /* 모바일에서 인터랙티브 효과 비활성화 */
    .video-overlay-effects {
        pointer-events: none;
    }
}

/* 새로운 애니메이션 키프레임 */
@keyframes particleFloat {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-100px) scale(0);
    }
}

@keyframes rippleEffect {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

/* 제품 카드 마우스 글로우 효과 */
.product-card {
    --mouse-x: 50%;
    --mouse-y: 50%;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

/* AIoT 탄소수집 카드 스타일 */
.aiot-carbon {
    background: linear-gradient(135deg, #00ff87, #60efff);
    border: 3px solid #00ff87;
    color: #0f172a;
}

.aiot-carbon .product-icon {
    background: rgba(15, 23, 42, 0.1);
    color: #0f172a;
}

.aiot-carbon .product-badge {
    background: rgba(15, 23, 42, 0.8);
    color: #00ff87;
}

.aiot-carbon ul li {
    border-left: 3px solid #0f172a;
    background: rgba(15, 23, 42, 0.05);
    padding: 8px 15px;
    margin: 5px 0;
    border-radius: 5px;
}

.product-specs {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border-left: 3px solid;
}

.aiot-carbon .spec-item {
    border-left-color: #0f172a;
}

.spec-label {
    font-weight: 500;
    font-size: 0.9rem;
}

.spec-value {
    font-weight: 700;
    font-size: 0.9rem;
}

/* AIoT 페이지 특화 스타일 */
.aiot-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
}

.aiot-hero-content {
    color: white;
}

.aiot-description {
    color: white !important;
    opacity: 0.9;
}

.aiot-key-features .feature-card {
    color: white;
}

.aiot-key-features .feature-card h3 {
    color: white;
}

.aiot-key-features .feature-card p {
    color: rgba(255, 255, 255, 0.8);
}

.aiot-title {
    color: white;
    -webkit-text-fill-color: white;
    animation: glow 2s ease-in-out infinite alternate;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 230, 118, 0.6), 0 0 40px rgba(64, 224, 208, 0.4);
    -webkit-text-stroke: 2px #00e676;
    filter: brightness(1.2) contrast(1.1);
}

@keyframes glow {
    from { text-shadow: 0 0 20px rgba(0, 230, 118, 0.6), 0 0 30px rgba(64, 224, 208, 0.4); }
    to { text-shadow: 0 0 30px rgba(0, 230, 118, 0.8), 0 0 50px rgba(64, 224, 208, 0.6), 0 0 70px rgba(0, 230, 118, 0.4); }
}

.aiot-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.aiot-stat-item {
    background: linear-gradient(145deg, rgba(0, 255, 135, 0.1), rgba(96, 239, 255, 0.1));
    border: 2px solid rgba(0, 255, 135, 0.3);
}

.aiot-stat-item:hover {
    border-color: #00ff87;
    box-shadow: 0 0 30px rgba(0, 255, 135, 0.3);
}

/* 새로운 전력센싱 프로세스 디자인 */
.power-sensing-flow {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.power-sensing-flow .section-title {
    color: white;
}

.power-sensing-flow .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.flow-header {
    text-align: center;
    margin-bottom: 60px;
}

.sensing-architecture {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    min-width: 120px;
}

.step-visual {
    position: relative;
    margin-bottom: 20px;
}

.hardware-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.hardware-icon:hover {
    transform: scale(1.1);
}

.step-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 3px solid;
    border-radius: 50%;
    animation: stepPulse 2s ease-in-out infinite;
    z-index: 1;
}

.step-1 .step-pulse { border-color: #ff6b35; animation-delay: 0s; }
.step-2 .step-pulse { border-color: #4a90e2; animation-delay: 0.4s; }
.step-3 .step-pulse { border-color: #10b981; animation-delay: 0.8s; }
.step-4 .step-pulse { border-color: #8b5cf6; animation-delay: 1.2s; }
.step-5 .step-pulse { border-color: #06b6d4; animation-delay: 1.6s; }
.step-6 .step-pulse { border-color: #f59e0b; animation-delay: 2.0s; }
.step-7 .step-pulse { border-color: #22c55e; animation-delay: 2.4s; }

@keyframes stepPulse {
    0% { 
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.8;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.4;
    }
    100% { 
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.8;
    }
}

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: white;
}

.step-content p {
    font-size: 0.9rem;
    color: white;
    margin-bottom: 10px;
}

.spec-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2px;
}

.spec-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-arrow {
    display: flex;
    align-items: center;
    position: relative;
    height: 4px;
    margin: 0 10px;
}

.arrow-line {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, #94a3b8, #64748b);
    position: relative;
    border-radius: 2px;
}

.arrow-head {
    width: 0;
    height: 0;
    border-left: 12px solid #64748b;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    margin-left: -2px;
}

.data-packet {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: #3b82f6;
    border-radius: 50%;
    animation: packetFlow 3s linear infinite;
}

@keyframes packetFlow {
    0% { left: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

.arrow-1 .data-packet { animation-delay: 0s; }
.arrow-2 .data-packet { animation-delay: 0.75s; }
.arrow-3 .data-packet { animation-delay: 1.5s; }
.arrow-4 .data-packet { animation-delay: 2.25s; }
.arrow-5 .data-packet { animation-delay: 3.0s; }
.arrow-6 .data-packet { animation-delay: 3.75s; }

.process-details {
    margin-top: 80px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

@media (max-width: 1024px) {
    .detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

.detail-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #3b82f6;
    transition: transform 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-5px);
}

.detail-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}

.detail-card p {
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.6;
}

.detail-card ul {
    list-style: none;
    padding: 0;
}

.detail-card ul li {
    padding: 8px 0;
    color: #475569;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
    padding-left: 20px;
}

.detail-card ul li:last-child {
    border-bottom: none;
}

.detail-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

@media (max-width: 1024px) {
    .sensing-architecture {
        flex-direction: column;
        gap: 30px;
    }
    
    .data-arrow {
        transform: rotate(90deg);
        width: 4px;
        height: 60px;
        margin: 10px 0;
    }
    
    .arrow-line {
        width: 4px;
        height: 60px;
        background: linear-gradient(180deg, #94a3b8, #64748b);
    }
    
    .arrow-head {
        border-left: 8px solid transparent;
        border-right: 8px solid transparent;
        border-top: 12px solid #64748b;
        border-bottom: none;
        margin-left: 0;
        margin-top: -2px;
    }
    
    .data-packet {
        animation: packetFlowVertical 3s linear infinite;
    }
    
    @keyframes packetFlowVertical {
        0% { top: 0; opacity: 0; }
        10% { opacity: 1; }
        90% { opacity: 1; }
        100% { top: 100%; opacity: 0; }
    }
}

@media (max-width: 768px) {
    .hardware-icon {
        width: 60px;
        height: 60px;
    }
    
    .step-pulse {
        width: 80px;
        height: 80px;
    }
}

/* 새로운 핵심 기능 섹션 스타일 */
.aiot-core-features {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 80px 0;
    color: white;
}

.core-features-header {
    text-align: center;
    margin-bottom: 60px;
}

.core-features-header h2 {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.core-features-header p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.core-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.core-feature-card {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(0, 255, 135, 0.3);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.core-feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 255, 135, 0.6);
    box-shadow: 0 20px 40px rgba(0, 255, 135, 0.2);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.1);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px auto;
    border: 2px solid rgba(0, 255, 135, 0.3);
}

.core-feature-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.core-feature-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.feature-points {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-points span {
    color: white;
    font-size: 1rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.feature-points span:last-child {
    border-bottom: none;
}

@media (max-width: 768px) {
    .core-features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .core-features-header h2 {
        font-size: 2.5rem;
    }
    
    .core-features-header p {
        font-size: 1.1rem;
    }
    
    .feature-icon {
        font-size: 3rem;
        width: 80px;
        height: 80px;
    }
    
    .core-feature-card h3 {
        font-size: 1.5rem;
    }
}

/* 기존 하드웨어 플로우 스타일 정리 완료 */

.aiot-specs-section {
    background: #ffffff;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

@media (max-width: 1200px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

.spec-category {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.spec-category:hover {
    transform: translateY(-10px);
}

.spec-header {
    background: linear-gradient(135deg, #00ff87, #60efff);
    color: #0f172a;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.spec-header .spec-icon {
    font-size: 2rem;
}

/* 데이터 전송 카드 특화 스타일 */
.spec-category:has(.spec-header:contains('데이터 전송')) .spec-header,
.spec-category:nth-child(5) .spec-header {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.spec-category:has(.spec-header:contains('데이터 전송')) .spec-content .spec-value,
.spec-category:nth-child(5) .spec-content .spec-value {
    color: #1e40af;
    background: rgba(30, 64, 175, 0.15);
    border: 1px solid rgba(30, 64, 175, 0.3);
}

/* 데이터 분석 카드 특화 스타일 */
.spec-category:has(.spec-header:contains('데이터 분석')) .spec-header,
.spec-category:nth-child(6) .spec-header {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.spec-category:has(.spec-header:contains('데이터 분석')) .spec-content .spec-value,
.spec-category:nth-child(6) .spec-content .spec-value {
    color: #6d28d9;
    background: rgba(109, 40, 217, 0.15);
    border: 1px solid rgba(109, 40, 217, 0.3);
}

.spec-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.spec-content {
    padding: 20px;
}

.spec-content .spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.spec-content .spec-item:last-child {
    border-bottom: none;
}

.spec-content .spec-label {
    font-weight: 500;
    color: #4a5568;
}

.spec-content .spec-value {
    font-weight: 600;
    color: #1e40af;
    background: rgba(30, 64, 175, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(30, 64, 175, 0.2);
}

.aiot-features-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white !important;
}

.aiot-features-section * {
    color: white !important;
}

.aiot-features-section .container {
    color: white !important;
}

.aiot-features-section .features-showcase {
    color: white !important;
}

.aiot-features-section .feature-item {
    color: white !important;
}

.aiot-features-section .feature-content {
    color: white !important;
}

.aiot-features-section .section-title {
    color: white !important;
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
}

.aiot-features-section .section-subtitle {
    color: white !important;
    font-size: 1.3rem;
    text-align: center;
    margin-bottom: 50px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0.95;
}

.aiot-features-section .feature-content h3 {
    color: white !important;
}

.aiot-features-section .feature-content p {
    color: white !important;
}

.aiot-features-section .feature-highlights li {
    color: white !important;
}

.aiot-features-section .feature-highlights li::before {
    color: #00ff87 !important;
}

.aiot-features-section .feature-item {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(0, 255, 135, 0.3) !important;
}

.aiot-features-section .feature-content {
    color: white !important;
}

.aiot-features-section .feature-content * {
    color: white !important;
}

.aiot-features-section h2 {
    color: white !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.aiot-features-section p {
    color: white !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.aiot-features-section h3 {
    color: white !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.aiot-features-section ul li {
    color: white !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.aiot-features-section .feature-highlights {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.aiot-features-section .feature-highlights li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    color: white !important;
    font-weight: 500;
    font-size: 1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    line-height: 1.5;
}

.aiot-features-section .feature-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: #00ff87 !important;
    font-weight: bold;
    font-size: 1.2em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 강력한 텍스트 가시성 보장 */
.aiot-features-section .feature-item .feature-content h3 {
    color: white !important;
    font-size: 2rem !important;
    font-weight: 700 !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8) !important;
    margin-bottom: 20px !important;
    display: block !important;
    visibility: visible !important;
}

.aiot-features-section .feature-item .feature-content p {
    color: white !important;
    font-size: 1.1rem !important;
    line-height: 1.6 !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6) !important;
    margin-bottom: 20px !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.aiot-features-section .feature-item .feature-content ul {
    color: white !important;
    display: block !important;
    visibility: visible !important;
}

.aiot-features-section .feature-item .feature-content ul li {
    color: white !important;
    font-size: 1rem !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6) !important;
    display: list-item !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.aiot-features-section .feature-item .feature-content * {
    color: white !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5) !important;
}

/* 절대적 우선순위 스타일 - 최종 안전장치 */
section.aiot-features-section div.feature-item div.feature-content h3 {
    color: white !important;
    font-size: 2rem !important;
    font-weight: 700 !important;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.9) !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

section.aiot-features-section div.feature-item div.feature-content p {
    color: white !important;
    font-size: 1.1rem !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8) !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

section.aiot-features-section div.feature-item div.feature-content ul.feature-highlights li {
    color: white !important;
    font-size: 1rem !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8) !important;
    display: list-item !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.feature-highlights {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.feature-highlights li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: white !important;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.feature-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: #00ff87 !important;
    font-weight: bold;
    font-size: 1.1em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.features-showcase {
    margin-top: 50px;
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 255, 135, 0.4);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.aiot-features-section .feature-item {
    background: rgba(255, 255, 255, 0.15) !important;
    border: 3px solid rgba(0, 255, 135, 0.7) !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6) !important;
    backdrop-filter: blur(20px) !important;
    border-radius: 20px !important;
    padding: 40px !important;
}

.feature-item.reverse {
    grid-template-columns: 2fr 1fr;
}

.feature-item.reverse .feature-visual {
    order: 2;
}

.feature-item.reverse .feature-content {
    order: 1;
}

.feature-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
}

.feature-icon-large {
    font-size: 6rem;
    z-index: 2;
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

.feature-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.wave-effect {
    width: 100%;
    height: 100%;
    border: 3px solid #00ff87;
    border-radius: 50%;
    animation: waveExpand 2s ease-in-out infinite;
}

@keyframes waveExpand {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.2); opacity: 0; }
}

.pulse-effect {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 255, 135, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 1.5s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
    0% { transform: scale(0.9); opacity: 0.7; }
    100% { transform: scale(1.1); opacity: 1; }
}

.chart-effect {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 40%, #00ff87 50%, transparent 60%);
    border-radius: 50%;
    animation: chartSpin 3s linear infinite;
}

@keyframes chartSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.aiot-features-section .feature-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: white !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    font-weight: 600;
}

.aiot-features-section .feature-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: white !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 1;
}

.feature-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #60efff;
}

.feature-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.9;
}

.feature-highlights {
    list-style: none;
    padding: 0;
}

.feature-highlights li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #60efff;
}

.feature-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #60efff;
    font-weight: bold;
}

.aiot-architecture-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.aiot-architecture-section .section-title {
    color: #1e293b !important;
    font-weight: 700;
}

.aiot-architecture-section .section-subtitle {
    color: #475569 !important;
}

.aiot-architecture-section .layer-info h3 {
    color: #1e293b !important;
    font-weight: 600;
}

.aiot-architecture-section .layer-info p {
    color: #64748b !important;
}

.architecture-diagram {
    position: relative;
    margin-top: 50px;
    padding: 50px 0;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.arch-layer {
    position: relative;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.arch-layer:hover {
    transform: translateY(-5px);
}

.data-layer {
    background: linear-gradient(135deg, #fef3c7, #fbbf24);
}

.cloud-layer {
    background: linear-gradient(135deg, #dbeafe, #3b82f6);
    color: white;
}

.gateway-layer {
    background: linear-gradient(135deg, #dcfce7, #10b981);
}

.sensor-layer {
    background: linear-gradient(135deg, #fce7f3, #ec4899);
}

.layer-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.layer-icon {
    font-size: 3rem;
}

.layer-info h3 {
    margin: 0 0 10px 0;
    font-size: 1.5rem;
}

.layer-info p {
    margin: 0;
    opacity: 0.8;
}

.layer-flow {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 30px;
    background: linear-gradient(180deg, #00ff87, #60efff);
    animation: flowPulse 2s ease-in-out infinite;
}

.sensor-layer .layer-flow {
    display: none;
}

@keyframes flowPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@media (max-width: 768px) {
    .aiot-showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item,
    .feature-item.reverse {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-item.reverse .feature-visual,
    .feature-item.reverse .feature-content {
        order: initial;
    }
    
    .feature-visual {
        height: 200px;
    }
    
    .feature-icon-large {
        font-size: 4rem;
        width: 80px;
        height: 80px;
    }
    
    .feature-animation {
        width: 150px;
        height: 150px;
    }
}