/* FILE: assets/css/style.css */
:root {
    --primary: #1A365D;
    --primary-light: #2B6CB0;
    --secondary: #E2E8F0;
    --accent: #D69E2E;
    --dark: #1A202C;
    --light: #F7FAFC;
    --text: #4A5568;
    --white: #FFFFFF;
    --radius: 12px;
    --container: 1280px;
    --transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; color: var(--dark); line-height: 1.2; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* Utilities */
.container { max-width: var(--container); margin: 0 auto; padding: 0 5%; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.bg-light { background: var(--light); }
.section { padding: 6rem 0; }
.text-center { text-align: center; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.8rem 2rem; border-radius: 50px; font-weight: 500; transition: var(--transition); cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(26,54,93,0.2); }
.btn-outline { border: 1px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline-light { border: 1px solid var(--white); color: var(--white); background: transparent; }
.btn-outline-light:hover { background: var(--white); color: var(--primary); }

/* Header */
.top-bar { background: var(--primary); color: var(--white); padding: 0.5rem 0; font-size: 0.875rem; }
.site-header { position: sticky; top: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); z-index: 100; padding: 1rem 0; border-bottom: 1px solid var(--secondary); transition: var(--transition); }
.logo { font-size: 1.5rem; letter-spacing: -0.5px; }
.logo span { font-weight: 300; color: var(--primary); }
.desktop-nav .nav-list { display: flex; gap: 2rem; }
.desktop-nav a { font-weight: 500; font-size: 0.95rem; position: relative; }
.desktop-nav a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.desktop-nav a:hover::after, .desktop-nav a.active::after { width: 100%; }

/* Hamburger */
.hamburger { display: none; background: transparent; border: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 200; }
.hamburger span { display: block; width: 25px; height: 2px; background: var(--dark); transition: 0.3s; }

/* Hero */
.immersive-hero { position: relative; height: 90vh; display: flex; align-items: center; color: var(--white); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-img { width: 100%; height: 100%; object-fit: cover; }
.overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,0.8), rgba(0,0,0,0.2)); }
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.eyebrow { text-transform: uppercase; letter-spacing: 2px; font-size: 0.875rem; color: var(--accent); margin-bottom: 1rem; display: block; }
.hero-title { font-size: clamp(3rem, 5vw, 5.5rem); color: var(--white); margin-bottom: 1.5rem; }
.hero-title span { color: var(--accent); font-style: italic; }
.hero-desc { font-size: 1.25rem; margin-bottom: 2.5rem; opacity: 0.9; }
.hero-actions { display: flex; gap: 1rem; }

/* Scroll Indicator */
.scroll-indicator { position: absolute; bottom: 2rem; left: 5%; display: flex; align-items: center; gap: 1rem; opacity: 0.7; }
.scroll-indicator .line { width: 50px; height: 1px; background: var(--white); }

/* Audience Cards */
.audience-section { margin-top: -5rem; position: relative; z-index: 10; }
.audience-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.08); transition: var(--transition); group: hover; display: block; }
.audience-card:hover { transform: translateY(-10px); }
.card-img { height: 200px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.audience-card:hover .card-img img { transform: scale(1.05); }
.card-content { padding: 2rem; position: relative; }
.card-content h3 { margin-bottom: 0.5rem; font-size: 1.5rem; }
.card-content .arrow { position: absolute; right: 2rem; bottom: 2rem; font-size: 1.5rem; opacity: 0; transform: translateX(-10px); transition: var(--transition); color: var(--primary); }
.audience-card:hover .arrow { opacity: 1; transform: translateX(0); }

/* Program Cards */
.section-header { text-align: center; margin-bottom: 4rem; max-width: 600px; margin-inline: auto; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.program-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: var(--transition); }
.program-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.prog-img { position: relative; height: 240px; }
.prog-img img { width: 100%; height: 100%; object-fit: cover; }
.badge { position: absolute; top: 1rem; left: 1rem; background: rgba(255,255,255,0.9); padding: 0.3rem 1rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600; color: var(--primary); }
.prog-info { padding: 2rem; }
.prog-info h3 { margin-bottom: 0.5rem; }

/* Stats */
.stats-section { background: var(--primary); color: var(--white); text-align: center; }
.stat-item { padding: 2rem; }
.stat-number { display: block; font-size: 4rem; font-family: 'Playfair Display', serif; font-weight: 700; color: var(--accent); margin-bottom: 0.5rem; }

/* Generic Pages */
.page-hero { background: var(--light); padding: 8rem 0 4rem; text-align: center; border-bottom: 1px solid var(--secondary); }
.page-hero h1 { font-size: 3.5rem; margin-bottom: 1rem; }
.editorial-content { max-width: 800px; margin: 0 auto; font-size: 1.1rem; }
.editorial-content h2 { margin: 2rem 0 1rem; font-size: 2rem; }
.editorial-content p { margin-bottom: 1.5rem; }
.editorial-content ul { margin-bottom: 1.5rem; padding-left: 2rem; list-style: disc; }

/* Footer */
.site-footer { background: var(--dark); color: var(--white); padding: 5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 4rem; }
.footer-col h3, .footer-col h4 { color: var(--white); margin-bottom: 1.5rem; font-family: 'Inter', sans-serif; font-size: 1.2rem; }
.footer-col ul li { margin-bottom: 0.8rem; }
.footer-col ul a { opacity: 0.7; transition: opacity 0.3s; }
.footer-col ul a:hover { opacity: 1; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 2rem; font-size: 0.875rem; opacity: 0.7; }
.footer-links { display: flex; gap: 1.5rem; }

/* Animations */
.animate-fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.animate-fade-up.in-view { opacity: 1; transform: translateY(0); }

/* Overlays */
.mobile-menu-overlay, .search-overlay { position: fixed; inset: 0; background: rgba(255,255,255,0.98); z-index: 1000; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: var(--transition); }
.mobile-menu-overlay.active, .search-overlay.active { opacity: 1; pointer-events: all; }
.mobile-nav ul { text-align: center; }
.mobile-nav a { font-size: 2rem; font-family: 'Playfair Display', serif; margin-bottom: 1.5rem; display: block; color: var(--dark); }
.search-container { text-align: center; width: 90%; max-width: 600px; }
.search-input { width: 100%; border: none; border-bottom: 2px solid var(--primary); background: transparent; font-size: 2.5rem; padding: 1rem 0; outline: none; font-family: 'Playfair Display', serif; }
.search-hint { margin-top: 1rem; color: var(--text); }
.close-search { position: absolute; top: 2rem; right: 2rem; font-size: 3rem; background: transparent; border: none; cursor: pointer; color: var(--dark); }

/* Responsive */
@media (max-width: 768px) {
    .desktop-nav, .top-bar { display: none; }
    .hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .audience-section { margin-top: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}