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

:root {
    /* Color Palette */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-heading: 'Montserrat', 'Noto Sans KR', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    background-color: var(--bg-white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: white;
    color: #2563eb;
    border-color: white;
    transform: translateY(-3px);
}

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

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

/* ===========================
   Header & Navigation
   =========================== */

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

#header.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo a {
    display: block;
}

.logo-image {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
}

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

.logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
}

.logo-wise {
    color: var(--primary-color);
}

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

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
    margin: 0;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-base);
}

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

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown .nav-link i {
    font-size: 0.7rem;
    margin-left: 0.25rem;
    transition: var(--transition-base);
}

.dropdown:hover .nav-link i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 0.75rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.dropdown-menu a i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* Social Links in Header */
.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--text-dark);
    transition: all var(--transition-base);
}

.social-icon:hover {
    transform: translateY(-3px);
}

.social-icon.youtube:hover {
    background: #ff0000;
    color: white;
}

.social-icon.blog:hover {
    background: #03c75a;
    color: white;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition-base);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0f29 0%, #1a1f3a 50%, #2d3561 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(251, 191, 36, 0.15) 0%, transparent 40%);
    opacity: 1;
    animation: breathe 8s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero::after {
    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"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="0" cy="0" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="100" cy="100" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.6;
    animation: float 20s linear infinite;
}

@keyframes float {
    from { transform: translateY(0); }
    to { transform: translateY(-100px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top, rgba(37, 99, 235, 0.1), transparent 60%),
                radial-gradient(ellipse at bottom right, rgba(124, 58, 237, 0.1), transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 1000px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: #ffffff;
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
    animation: fadeInUp 1s ease-out;
    padding: 0.5rem 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-content > p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-buttons .btn i {
    margin-right: 0.5rem;
}

/* Hero Features */
.hero-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.hero-feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.feature-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.feature-text strong {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.feature-text span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay-1 {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Section Styles
   =========================== */

section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ===========================
   About Section
   =========================== */

.about {
    background: var(--bg-light);
}

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

.mvv-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.mvv-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.mvv-card.full-width {
    grid-column: 1 / -1;
}

.mvv-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.mvv-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mvv-card .eng {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

.mvv-text {
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.mvv-list {
    list-style: none;
    padding: 0;
}

.mvv-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.mvv-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Values Diagram Container */
.values-diagram-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    height: 800px;
    margin: 3rem auto;
    overflow: visible;
}

/* Center Circle */
.values-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
}

.center-circle {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.4);
    animation: pulse-center 3s ease-in-out infinite;
}

@keyframes pulse-center {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.center-circle i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.center-circle h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: white;
}

.center-circle p {
    font-size: 0.85rem;
    opacity: 0.9;
    color: white;
}

/* Connection Lines */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.connect-line {
    animation: dash-flow 20s linear infinite;
}

@keyframes dash-flow {
    to { stroke-dashoffset: -100; }
}

.line-1 { animation-delay: 0s; }
.line-2 { animation-delay: -4s; }
.line-3 { animation-delay: -8s; }
.line-4 { animation-delay: -12s; }
.line-5 { animation-delay: -16s; }

/* Hexagon Values */
.value-hex {
    position: absolute;
    width: 160px;
    height: 160px;
    cursor: pointer;
    z-index: 3;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hexagon Positioning - Circular Layout */
.value-hex-1 { 
    top: 20%; 
    left: 8%; 
    transform: translate(0, 0);
}

.value-hex-2 { 
    top: 20%; 
    right: 8%; 
    transform: translate(0, 0);
}

.value-hex-3 { 
    bottom: 20%; 
    right: 8%; 
    transform: translate(0, 0);
}

.value-hex-4 { 
    bottom: 0%; 
    left: 50%; 
    transform: translate(-50%, 0);
}

.value-hex-5 { 
    bottom: 20%; 
    left: 8%; 
    transform: translate(0, 0);
}

/* Hexagon Content */
.hex-content {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    border: 3px solid transparent;
    background-clip: padding-box;
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.hex-content::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.value-hex:hover .hex-content::before {
    opacity: 1;
}

.value-hex:hover .hex-content {
    transform: scale(1.1);
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.3);
}

.hex-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    transition: all 0.4s ease;
}

.value-hex:hover .hex-icon {
    transform: rotate(360deg) scale(1.15);
}

.hex-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.hex-subtitle {
    font-size: 0.7rem;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hex-number {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
}

/* Tooltip */
.hex-tooltip {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: white;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s ease;
    min-width: 220px;
    z-index: 20;
}

.hex-tooltip::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid white;
}

.value-hex:hover .hex-tooltip {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.hex-tooltip p {
    font-size: 0.9rem;
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.hex-tooltip span {
    display: block;
    font-size: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 8px;
    text-align: center;
}

/* Values Description Section */
.values-description {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.value-desc-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.value-desc-item:hover {
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
}

.value-desc-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
    transition: all 0.3s ease;
}

.value-desc-item:hover .value-desc-icon {
    transform: scale(1.1);
}

.value-desc-item h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.value-desc-item p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-light);
}

.value-desc-item strong {
    color: var(--primary-color);
    font-weight: 600;
    display: block;
    margin-top: 0.5rem;
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 3rem 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

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

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

.stat-item::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    transition: all 0.5s;
}

.stat-item:hover::after {
    top: -60%;
    right: -60%;
}

.stat-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    line-height: 1;
    position: relative;
    z-index: 1;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* ===========================
   Programs Section
   =========================== */

/* ===========================
   Journey Timeline (4-Stage Growth)
   =========================== */

.programs-journey {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.journey-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 1rem;
    line-height: 1.7;
}

.journey-timeline {
    max-width: 1000px;
    margin: 4rem auto;
    position: relative;
}

.journey-step {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
}

.journey-step:last-child {
    margin-bottom: 2rem;
}

/* Step Number Circle */
.step-number {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number .number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
    position: relative;
    z-index: 2;
}

.step-connector {
    width: 4px;
    height: calc(100% + 4rem);
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.step-connector.last {
    display: none;
}

/* Step Content Card */
.step-content {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.step-content:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    border-color: var(--border-color);
}

.step-header {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: white;
}

.step-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    flex-shrink: 0;
    backdrop-filter: blur(10px);
}

.step-title-group {
    flex: 1;
}

.step-title {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.step-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.step-body {
    padding: 2rem;
}

.step-tagline {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.step-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.step-target {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    color: var(--text-dark);
}

.step-target i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.btn-journey {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.875rem 2rem;
    border-radius: 12px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-journey:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-journey i {
    transition: transform 0.3s ease;
}

.btn-journey:hover i {
    transform: translateX(5px);
}

/* Expert Track (Special Section) */
.expert-track {
    max-width: 1000px;
    margin: 3rem auto 0;
    background: linear-gradient(135deg, #fdf2f8, #fce7f3);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    border: 2px solid #ec4899;
    box-shadow: 0 10px 40px rgba(236, 72, 153, 0.15);
}

.expert-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ec4899, #db2777);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.4);
}

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

.expert-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.expert-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ec4899, #db2777);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 8px 20px rgba(236, 72, 153, 0.3);
}

.expert-title {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.expert-subtitle {
    font-size: 0.9rem;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.expert-tagline {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ec4899;
    margin-bottom: 1rem;
}

.expert-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.expert-target {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    color: var(--text-dark);
}

.expert-target i {
    color: #ec4899;
    font-size: 1.2rem;
}

.btn-expert {
    background: linear-gradient(135deg, #ec4899, #db2777);
    color: white;
    padding: 0.875rem 2rem;
    border-radius: 12px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-expert:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(236, 72, 153, 0.4);
}

.btn-expert i {
    transition: transform 0.3s ease;
}

.btn-expert:hover i {
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .journey-step {
        grid-template-columns: 60px 1fr;
        gap: 1rem;
        margin-bottom: 3rem;
    }
    
    .step-number .number {
        width: 60px;
        height: 60px;
        font-size: 1.4rem;
    }
    
    .step-connector {
        top: 60px;
        height: calc(100% + 3rem);
    }
    
    .step-header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
    
    .step-title {
        font-size: 1.6rem;
    }
    
    .step-body {
        padding: 1.5rem;
    }
    
    .step-tagline {
        font-size: 1.2rem;
    }
    
    .expert-track {
        padding: 2rem 1.5rem;
    }
    
    .expert-header {
        flex-direction: column;
    }
    
    .expert-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .expert-title {
        font-size: 1.6rem;
    }
}

/* ===========================
   Modal Styles
   =========================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    overflow-y: auto;
    padding: 2rem;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 20px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 3rem;
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-dark);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(90deg);
}

.program-detail h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.program-detail .program-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-item i {
    color: var(--primary-color);
}

.program-detail .program-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.program-detail h3 {
    font-size: 1.75rem;
    margin: 2.5rem 0 1.5rem;
    color: var(--text-dark);
}

.curriculum-list {
    list-style: none;
}

.curriculum-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all var(--transition-base);
}

.curriculum-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.curriculum-item h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.curriculum-item ul {
    list-style: none;
    padding-left: 1rem;
}

.curriculum-item li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.curriculum-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1;
}

/* ===========================
   Instructor Section
   =========================== */

.instructor {
    background: var(--bg-light);
}

.instructor-content {
    margin-bottom: 3rem;
}

.instructor-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
}

.profile-image {
    text-align: center;
    position: relative;
}

.profile-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    object-fit: cover;
}

.profile-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 6rem;
}

.profile-info h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.profile-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.profile-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.profile-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.highlight-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.instructor-details {
    display: grid;
    gap: 2rem;
}

.detail-section {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.detail-section h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-color);
}

.detail-section h4 i {
    font-size: 1.25rem;
}

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

.detail-section ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.detail-section ul li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.detail-section ul li strong {
    color: var(--text-dark);
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.expertise-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.expertise-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.expertise-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.expertise-item span {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.expertise-item p {
    font-size: 0.9rem;
    margin: 0;
}

/* Books */
.books {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.book-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.book-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.book-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.book-item span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial-item {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    font-style: italic;
    position: relative;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-item::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-left-width: 6px;
}

.testimonial-item p {
    margin: 0;
    color: var(--text-dark);
    font-size: 1.05rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Partners */
.partners {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.partners h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.partners-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.partner-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--bg-light);
    border-radius: 25px;
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    transition: all var(--transition-base);
}

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

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

.cta-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #6366f1 100%);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="80" height="80" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="cta-pattern" width="80" height="80" patternUnits="userSpaceOnUse"><circle cx="40" cy="40" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23cta-pattern)"/></svg>');
    opacity: 0.5;
}

.cta-content {
    text-align: center;
    color: white;
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: white;
}

.cta-content > p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.btn-outline-light {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
    background: white;
    color: #1e3a8a;
    transform: translateY(-3px);
}

.cta-benefits {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-size: 1.05rem;
    font-weight: 500;
}

.benefit-item i {
    font-size: 1.25rem;
    color: #fbbf24;
}

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

.contact {
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-info {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-methods {
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.method-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.method-info h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.method-info p {
    margin-bottom: 1rem;
}

.education-types {
    margin-top: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
}

.education-types h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.type-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.type-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-light);
    border-radius: 25px;
    font-weight: 500;
    color: var(--text-dark);
}

.type-tag i {
    color: var(--primary-color);
}

.type-note {
    font-size: 0.9rem;
    font-style: italic;
    margin: 0;
}

.contact-form-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    padding: 3rem;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-visual {
    text-align: center;
}

.form-visual i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.form-visual h3 {
    color: white;
    margin-bottom: 1rem;
}

.form-visual p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.proposal-list {
    text-align: left;
    display: inline-block;
}

.proposal-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.proposal-list i {
    color: rgba(255, 255, 255, 0.9);
}

/* Social Section */
.social-section {
    text-align: center;
    padding: 3rem;
    background: var(--bg-light);
    border-radius: 20px;
}

.social-section h4 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

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

.social-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

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

.social-card i {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.youtube-card i {
    color: #ff0000;
}

.blog-card i {
    color: #03c75a;
}

.social-card h5 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.social-card p {
    margin: 0;
    color: var(--text-light);
}

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

.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 700;
}

.footer-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-top: 1rem;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: white;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    display: block;
    padding: 0.5rem 0;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: white;
    padding-left: 0.5rem;
}

.footer-social-links {
    display: flex;
    gap: 1rem;
}

.footer-social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===========================
   Scroll to Top Button
   =========================== */

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

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: -0.5px;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-content {
        padding: 0 1.5rem;
    }
    
    .mvv-grid {
        grid-template-columns: 1fr;
    }
    
    .values-diagram-container {
        height: 700px;
    }
    
    .center-circle {
        width: 150px;
        height: 150px;
    }
    
    .center-circle i {
        font-size: 2rem;
    }
    
    .center-circle h4 {
        font-size: 1rem;
    }
    
    .value-hex {
        width: 140px;
        height: 140px;
    }
    
    .hex-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .values-description {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .instructor-profile {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: 1rem 0;
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-light);
        margin-top: 0.5rem;
    }
    
    .social-links {
        display: none;
    }
    
    .hero-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 3rem;
    }
    
    .hero-feature {
        padding: 1rem;
    }
    
    .feature-icon {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
    
    .feature-text strong {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .values-diagram-container {
        height: auto;
        padding: 2rem 0;
    }
    
    .values-center {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        margin-bottom: 3rem;
        text-align: center;
    }
    
    .center-circle {
        margin: 0 auto;
    }
    
    .connection-lines {
        display: none;
    }
    
    .value-hex {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        transform: none !important;
        margin: 0 auto 2rem;
        width: 100%;
        max-width: 300px;
        height: auto;
    }
    
    .hex-content {
        padding: 2rem 1.5rem;
    }
    
    .hex-tooltip {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        opacity: 1;
        margin-top: 1rem;
        pointer-events: auto;
    }
    
    .hex-tooltip::before {
        display: none;
    }
    
    .values-description {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-content {
        padding: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content > p {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-benefits {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
        letter-spacing: 0;
        line-height: 1.4;
        padding: 0.25rem 0;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .hero-content > p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        margin-top: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mvv-card,
    .detail-section {
        padding: 1.5rem;
    }
    
    .stats-section {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-item {
        padding: 2rem 1.5rem;
    }
    
    .stat-number {
        font-size: 3rem;
    }
}