/* ========================================
   SERA Inc. - Modern Tech-Focused Design
   ======================================== */

/* CSS Variables - Energy Efficient Design */
:root {
    /* Colors - SERA Brand Colors (Energy Saving: Pure Black Background) */
    --primary-green: #0D5C3F;
    --secondary-green: #4A9B7F;
    --accent-yellow: #D4E157;
    --light-gray: #E8E6E1;
    
    /* Pure Black Backgrounds for Maximum Energy Efficiency */
    --dark-bg: #000000;
    --darker-bg: #000000;
    --card-bg: #0a0a0a;
    
    /* Text Colors - Optimized for Black Background */
    --text-primary: #E8E6E1;
    --text-secondary: #a8b5ad;
    --text-muted: #6b7871;
    
    /* Gradients - Using Primary Colors */
    --gradient-primary: linear-gradient(135deg, #0D5C3F, #4A9B7F);
    --gradient-accent: linear-gradient(135deg, #0D5C3F, #D4E157);
    --gradient-glow: linear-gradient(135deg, rgba(13, 92, 63, 0.15), rgba(212, 225, 87, 0.15));
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* Typography - Clean Sans-Serif */
    --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* Shadows & Effects - Subtle for Energy Saving */
    --glow-green: 0 0 15px rgba(13, 92, 63, 0.5);
    --glow-yellow: 0 0 15px rgba(212, 225, 87, 0.4);
    --card-shadow: 0 5px 20px rgba(0, 0, 0, 0.8);
}

/* ========================================
   Global Styles
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #000000;
    backdrop-filter: none;
    z-index: 1000;
    border-bottom: 2px solid #0D5C3F;
    box-shadow: 0 2px 10px rgba(13, 92, 63, 0.3);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    max-width: 189px; /* 약 5cm */
}

/* 원형 로고 - 주 원 */
.logo::before {
    content: '';
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0D5C3F, #4A9B7F);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(13, 92, 63, 0.5);
    display: block;
    flex-shrink: 0;
}

/* 원형 로고 - 포인트 원 (노란색) */
.logo::after {
    content: '';
    width: 12px;
    height: 12px;
    background: #D4E157;
    border-radius: 50%;
    position: absolute;
    left: 32px;
    top: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 6px rgba(212, 225, 87, 0.6);
}

.logo-text {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
    line-height: 1;
}

.logo-subtitle {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 11px;
    color: #D4E157;
    letter-spacing: 2px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0D5C3F, #D4E157);
    transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #D4E157;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #D4E157;
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
   ======================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.0.7) 0%,
        rgba(0, 0, 0, 0.6) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

/* Glitch Effect */
.glitch-wrapper {
    position: relative;
    display: inline-block;
}

.hero-title {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 900;
    letter-spacing: 5px;
    background: linear-gradient(135deg, #D4E157, #0D5C3F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 15px rgba(212, 225, 87, 0.4);
    }
    to {
        text-shadow: 0 0 25px rgba(212, 225, 87, 0.6), 0 0 35px rgba(13, 92, 63, 0.4);
    }
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(20px, 3vw, 32px);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.hero-description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, #D4E157, #0D5C3F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.stat-divider {
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, #D4E157, transparent);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    font-weight: 700;
    padding: 15px 40px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #D4E157, #0D5C3F);
    color: #000000;
    font-weight: 800;
    box-shadow: 0 0 20px rgba(212, 225, 87, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(212, 225, 87, 0.6), 0 5px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #D4E157;
    border: 2px solid #D4E157;
}

.btn-secondary:hover {
    background: rgba(212, 225, 87, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(212, 225, 87, 0.3);
}

.btn-primary.large,
.btn-secondary.large {
    font-size: 18px;
    padding: 18px 50px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
}

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

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid #D4E157;
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: #D4E157;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

.scroll-indicator span {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ========================================
   Section Headers
   ======================================== */

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

.section-tag {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #D4E157;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 15px;
}

.section-title {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--light-gray), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   Features Section
   ======================================== */

.features-section {
    padding: var(--section-padding);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(13, 92, 63, 0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0D5C3F, #D4E157);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #0D5C3F;
    box-shadow: var(--card-shadow), 0 0 20px rgba(13, 92, 63, 0.4);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 25px;
    color: #D4E157;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-glow {
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(13, 92, 63, 0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover .feature-glow {
    opacity: 1;
}

/* ========================================
   Recognition Section
   ======================================== */

.recognition-section {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.recognition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.recognition-item {
    text-align: center;
    padding: 30px;
}

.recognition-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.recognition-item h4 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #D4E157;
}

.recognition-item p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
    padding: var(--section-padding);
    position: relative;
    text-align: center;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    opacity: 0.1;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--darker-bg);
    border-top: 1px solid rgba(74, 155, 127, 0.15);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 15px;
    position: relative;
}

.footer-logo::before {
    content: '';
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #0D5C3F, #4A9B7F);
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(13, 92, 63, 0.4);
    display: block;
    flex-shrink: 0;
}

.footer-logo::after {
    content: '';
    width: 6px;
    height: 6px;
    background: #D4E157;
    border-radius: 50%;
    position: absolute;
    left: 17px;
    top: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 3px rgba(212, 225, 87, 0.5);
}

.footer-logo .logo-text {
    font-size: 16px;
    color: #ffffff;
}

.footer-logo .logo-subtitle {
    font-size: 6px;
}

.footer-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: 50%;
    color: #D4E157;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-green);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: #D4E157;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    font-size: 15px;
    color: var(--text-secondary);
}

.footer-column ul li a:hover {
    color: #D4E157;
}

.contact-info li {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(74, 155, 127, 0.15);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 5px;
}

/* ========================================
   Page Header
   ======================================== */

.page-header {
    padding: 150px 0 100px;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    opacity: 0.1;
}

.page-tag {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: #D4E157;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 20px;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   Mission Section (About Page)
   ======================================== */

.mission-section {
    padding: var(--section-padding);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.mission-text h2 {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 900;
    margin-bottom: 25px;
}

.mission-text p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.mission-text strong {
    color: #D4E157;
}

.mission-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.mission-stat {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(13, 92, 63, 0.2);
}

.mission-stat .stat-value {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 900;
    color: #D4E157;
    margin-bottom: 10px;
}

.mission-stat .stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   Leadership Section (About Page)
   ======================================== */

.leadership-section {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.leader-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(13, 92, 63, 0.2);
    transition: all 0.3s ease;
}

.leader-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--card-shadow), var(--glow-green);
}

.leader-image {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, var(--card-bg), var(--darker-bg));
    display: flex;
    align-items: center;
    justify-content: center;
}

.leader-placeholder {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 900;
    color: #D4E157;
    opacity: 0.3;
}

.leader-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(10, 14, 39, 0.95), transparent);
}

.leader-role {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: #D4E157;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.leader-info {
    padding: 30px;
}

.leader-info h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.leader-title {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.leader-bio {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.leader-highlights {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.leader-highlights span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========================================
   Timeline Section (About Page)
   ======================================== */

.timeline-section {
    padding: var(--section-padding);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--primary-green), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    justify-content: flex-start;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-green);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: var(--glow-green);
}

.timeline-content {
    width: 45%;
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(13, 92, 63, 0.2);
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: #D4E157;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Values Section (About Page)
   ======================================== */

.values-section {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid rgba(13, 92, 63, 0.2);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    border-color: #D4E157;
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.value-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
}

.value-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Solution Page Styles
   ======================================== */

.solution-overview {
    padding: var(--section-padding);
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-box {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 16/9;
    background: var(--card-bg);
    border: 2px solid var(--primary-green);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--glow-green), var(--card-shadow);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.box-label {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 900;
    color: #D4E157;
    margin-bottom: 20px;
}

.box-specs {
    display: flex;
    gap: 20px;
}

.box-specs span {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 5px 15px;
    background: rgba(74, 155, 127, 0.15);
    border-radius: 20px;
}

.overview-text {
    padding: 20px 0;
}

.overview-text h2 {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 900;
    margin-bottom: 25px;
}

.lead {
    font-size: 20px;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.overview-text p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.comparison-stats {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
}

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

.comparison-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.comparison-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    padding: 15px 25px;
    border-radius: 10px;
}

.comparison-value.bad {
    background: rgba(255, 0, 0, 0.1);
    color: #ff6b6b;
}

.comparison-value.good {
    background: rgba(74, 155, 127, 0.15);
    color: #D4E157;
}

.comparison-arrow {
    font-size: 32px;
    color: #D4E157;
}

/* Solution Features */
.solution-features {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.feature-details-grid {
    display: grid;
    gap: 40px;
}

.feature-detail {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(13, 92, 63, 0.2);
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
}

.feature-number {
    font-family: var(--font-display);
    font-size: 72px;
    font-weight: 900;
    color: rgba(74, 155, 127, 0.15);
    line-height: 1;
}

.feature-detail-icon {
    width: 60px;
    height: 60px;
    color: #D4E157;
    margin-bottom: 20px;
}

.feature-detail h3 {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-detail > div:last-child {
    grid-column: 2;
}

.feature-detail p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.feature-detail ul li {
    font-size: 16px;
    color: var(--text-secondary);
    padding-left: 25px;
    position: relative;
    margin-bottom: 12px;
}

.feature-detail ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #D4E157;
}

.feature-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(74, 155, 127, 0.15);
    color: #D4E157;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 20px;
}

/* Metrics Section */
.metrics-section {
    padding: var(--section-padding);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.metric-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(13, 92, 63, 0.2);
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-10px);
    border-color: #D4E157;
    box-shadow: var(--glow-green);
}

.metric-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 900;
    color: #D4E157;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.metric-description {
    font-size: 14px;
    color: var(--text-muted);
}

/* Comparison Table */
.comparison-section {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.comparison-table {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(13, 92, 63, 0.2);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid rgba(74, 155, 127, 0.15);
}

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

.comparison-row.header {
    background: rgba(0, 255, 136, 0.05);
}

.comparison-cell {
    padding: 20px;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.comparison-cell.highlight {
    background: rgba(0, 255, 136, 0.05);
}

.check {
    color: #D4E157;
    margin-right: 8px;
}

.cross {
    color: #ff6b6b;
    margin-right: 8px;
}

/* Applications Section */
.applications-section {
    padding: var(--section-padding);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.application-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(13, 92, 63, 0.2);
    transition: all 0.3s ease;
}

.application-card:hover {
    transform: translateY(-10px);
    border-color: #D4E157;
}

.application-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.application-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.application-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Contact Page Styles
   ======================================== */

.contact-section {
    padding: var(--section-padding);
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact-form-wrapper h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 15px;
}

.form-intro {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 16px;
    padding: 15px;
    background: var(--card-bg);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #D4E157;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 15px;
    color: var(--text-secondary);
}

.form-submit {
    margin-top: 10px;
}

.form-submit svg {
    width: 20px;
    height: 20px;
}

.form-message {
    padding: 15px;
    border-radius: 10px;
    font-size: 15px;
    text-align: center;
    display: none;
}

.form-message.success {
    background: rgba(74, 155, 127, 0.15);
    color: #D4E157;
    border: 1px solid var(--primary-green);
    display: block;
}

.form-message.error {
    background: rgba(255, 107, 107, 0.1);
    color: #ff6b6b;
    border: 1px solid #ff6b6b;
    display: block;
}

/* Contact Info */
.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(13, 92, 63, 0.2);
}

.contact-info-card h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-icon {
    width: 40px;
    height: 40px;
    color: #D4E157;
    flex-shrink: 0;
}

.info-icon svg {
    width: 100%;
    height: 100%;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.info-content a {
    font-size: 17px;
    color: #D4E157;
}

.info-content a:hover {
    text-decoration: underline;
}

.social-links {
    margin-top: 30px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(74, 155, 127, 0.15);
    border-radius: 10px;
    color: #D4E157;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(0, 255, 136, 0.2);
    transform: translateX(5px);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* Office Locations */
.office-locations h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.location-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(13, 92, 63, 0.2);
    margin-bottom: 15px;
}

.location-card h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: #D4E157;
    margin-bottom: 10px;
}

.location-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Map Section */
.map-section {
    height: 400px;
    position: relative;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.map-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
}

.map-overlay h3 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 10px;
}

.map-overlay p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .mission-content,
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        justify-content: flex-end !important;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .feature-detail {
        grid-template-columns: 1fr;
    }
    
    .feature-number {
        font-size: 48px;
    }
    
    .feature-detail > div:last-child {
        grid-column: 1;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-cell {
        border-bottom: 1px solid rgba(74, 155, 127, 0.15);
    }
    
    .comparison-row:last-child .comparison-cell:last-child {
        border-bottom: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 30px;
        font-size: 14px;
    }
}

/* ========================================
   Animation Utilities
   ======================================== */

[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}