/* =================================
   Global Styles & Variables
   ================================= */

:root {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    
    /* Secondary Colors */
    --secondary-color: #f59e0b;
    --secondary-dark: #d97706;
    --secondary-light: #fbbf24;
    
    /* Accent Colors */
    --accent-green: #10b981;
    --accent-red: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =================================
   Typography
   ================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

/* =================================
   Buttons
   ================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
    font-family: var(--font-secondary);
}

.logo h1 span {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title .white-text {
    color: var(--white);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--secondary-color);
    text-shadow: 0 0 30px rgba(245, 158, 11, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--secondary-color);
    text-shadow: 0 2px 20px rgba(245, 158, 11, 0.5);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--white);
    opacity: 0.7;
    font-size: 0.75rem;
    font-weight: 600;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--white);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scroll 1.5s 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);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--gray-900), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* =================================
   About Section - Timeline
   ================================= */

.about {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

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

.timeline-year {
    flex: 0 0 150px;
    text-align: center;
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-color);
    position: relative;
}

.timeline-year::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 4px solid var(--white);
    border-radius: 50%;
    transform: translateY(-50%);
    box-shadow: var(--shadow-lg);
}

.timeline-item:nth-child(odd) .timeline-year::after {
    right: -70px;
}

.timeline-item:nth-child(even) .timeline-year::after {
    left: -70px;
}

.timeline-item.active .timeline-year {
    color: var(--secondary-color);
}

.timeline-item.active .timeline-year::after {
    background: var(--secondary-color);
    box-shadow: 0 0 0 6px rgba(245, 158, 11, 0.2);
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.timeline-content h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.timeline-content p {
    color: var(--gray-600);
    margin: 0;
    line-height: 1.8;
}

/* =================================
   Services Section
   ================================= */

.services {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.service-card h4 {
    font-size: 0.875rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.8;
    margin: 0;
}

/* =================================
   Strengths Section
   ================================= */

.strengths {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.strengths::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
}

.strengths .section-header {
    position: relative;
    z-index: 2;
}

.strengths .section-badge,
.strengths .section-title,
.strengths .section-subtitle {
    color: var(--white);
    background: none;
    -webkit-text-fill-color: var(--white);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.strength-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.strength-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.strength-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.strength-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 4rem;
    font-weight: 900;
    color: var(--gray-100);
    line-height: 1;
}

.strength-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
    color: var(--white);
}

.strength-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.strength-card h4 {
    font-size: 0.875rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.strength-card p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.strength-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    margin-top: var(--spacing-sm);
}

/* =================================
   Comparison Section
   ================================= */

.comparison {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.comparison-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.benefit-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.benefit-card i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.benefit-card h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    margin: 0;
    opacity: 0.95;
}

.comparison-table {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
    color: var(--white);
}

.comparison-table th {
    padding: var(--spacing-lg);
    font-weight: 700;
    text-align: left;
}

.comparison-table th.old-way {
    background: rgba(239, 68, 68, 0.1);
}

.comparison-table th.new-way {
    background: rgba(16, 185, 129, 0.1);
}

.comparison-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table tbody tr:hover {
    background: var(--gray-50);
}

.comparison-table td.old-way {
    color: var(--gray-600);
}

.comparison-table td.new-way {
    color: var(--accent-green);
    font-weight: 600;
}

.comparison-table td.new-way i {
    margin-right: var(--spacing-xs);
    color: var(--accent-green);
}

/* =================================
   Facility Section
   ================================= */

.facility {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

/* Facility Gallery */
.facility-gallery {
    margin-bottom: var(--spacing-2xl);
}

.gallery-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.gallery-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-700);
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.gallery-description strong {
    color: var(--primary-color);
    font-weight: 700;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.7), transparent);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

.gallery-caption h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--white);
}

.gallery-caption p {
    font-size: 0.875rem;
    margin: 0;
    opacity: 0.9;
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.facility-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-200);
    transition: var(--transition-base);
}

.facility-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.facility-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
    color: var(--white);
}

.facility-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.facility-card ul {
    list-style: none;
}

.facility-card ul li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--gray-600);
    line-height: 1.8;
}

.facility-card ul li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* =================================
   Process Section
   ================================= */

.process {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.process-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.process-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.process-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.process-step {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.process-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
    color: var(--primary-color);
}

.process-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.process-card ul {
    list-style: none;
}

.process-card ul li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 0.9rem;
}

.process-card ul li::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

/* =================================
   Zero Error Section
   ================================= */

.zero-error {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.zero-error-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.zero-error-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.zero-step {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.zero-step:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.step-number {
    flex: 0 0 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    font-weight: 900;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.step-content p {
    color: var(--gray-600);
    margin: 0;
    line-height: 1.6;
}

.zero-error-kpi h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--gray-900);
}

.kpi-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.kpi-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
}

.kpi-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-2xl);
}

.kpi-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.kpi-value {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.kpi-label {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.kpi-sublabel {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* =================================
   Reviews Section
   ================================= */

.reviews {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.review-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.review-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tag {
    padding: 0.375rem 1rem;
    background: var(--gray-100);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.review-stars {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.review-stars i {
    margin-right: 0.25rem;
}

.review-text {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--gray-100);
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    color: var(--white);
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--gray-900);
}

.author-info p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

/* =================================
   Contact Section
   ================================= */

.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.poc-plan,
.sla-targets {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
}

.poc-plan h3,
.sla-targets h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.poc-step {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.poc-number {
    flex: 0 0 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 900;
}

.poc-info h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.poc-info p {
    color: var(--gray-600);
    margin: 0;
    font-size: 0.9rem;
}

.sla-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.sla-label {
    font-weight: 600;
    color: var(--gray-700);
}

.sla-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
}

.contact-form-wrapper {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.info-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.info-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.info-card h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.info-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

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

.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo h2 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-secondary);
}

.footer-logo h2 span {
    color: var(--secondary-color);
}

.footer-logo p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-xs);
}

.footer-slogan {
    color: var(--white);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.footer-info h3,
.footer-links h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-info ul,
.footer-links ul {
    list-style: none;
}

.footer-info ul li,
.footer-links ul li {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-400);
}

.footer-info ul li i {
    margin-right: var(--spacing-xs);
    color: var(--primary-light);
}

.footer-links ul li a {
    color: var(--gray-400);
    transition: var(--transition-base);
}

.footer-links ul li a:hover {
    color: var(--white);
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
}

/* =================================
   Image Lightbox
   ================================= */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
}

.lightbox-caption {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    text-align: center;
}

.lightbox-caption h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.lightbox-caption p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    top: 2rem;
    right: 2rem;
}

.lightbox-prev {
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-close:hover {
    transform: scale(1.1);
}

/* =================================
   Back to Top Button
   ================================= */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

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

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-year {
        flex: 0 0 100px;
    }
    
    .timeline-item .timeline-year::after {
        left: -40px !important;
    }
    
    .zero-error-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .services-grid,
    .strengths-grid,
    .facility-grid,
    .process-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 250px;
    }
    
    .comparison-table {
        overflow-x: auto;
    }
    
    .comparison-table table {
        min-width: 600px;
    }
    
    .contact-info-cards {
        grid-template-columns: 1fr;
    }
    
    .timeline-year {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .benefit-card i {
        font-size: 2rem;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 1rem;
        right: 1rem;
    }
    
    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
    }
    
    .lightbox-prev {
        left: 1rem;
    }
    
    .lightbox-next {
        right: 1rem;
    }
    
    .lightbox-content {
        max-width: 95%;
    }
    
    .lightbox-caption {
        padding: var(--spacing-sm);
    }
    
    .lightbox-caption h3 {
        font-size: 1rem;
    }
    
    .lightbox-caption p {
        font-size: 0.75rem;
    }
}

/* =================================
   Animations
   ================================= */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Smooth scroll */
@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-behavior: smooth;
    }
}