/* ============================================
   ITBS Website - Modern Design System 2026
   Expert-level CSS with glassmorphism,
   smooth gradients, and micro-interactions
   ============================================ */

/* ---- CSS Variables ---- */
:root {
    --primary: #1F2937;
    --primary-dark: #111827;
    --primary-light: #6B7280;
    --primary-50: #F3F4F6;
    --secondary: #374151;
    --secondary-light: #9CA3AF;
    --accent: #4F46E5;
    --accent-light: #818CF8;
    --gold: #D4A843;
    --gold-light: #E8D5A0;
    --success: #059669;
    --success-light: #D1FAE5;
    --warning: #D97706;
    --error: #DC2626;
    --text: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #9CA3AF;
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --bg: #FFFFFF;
    --bg-alt: #F9FAFB;
    --bg-dark: #111827;
    --bg-dark-light: #1F2937;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 30px rgba(79,70,229,0.3);
    --shadow-glow-lg: 0 0 60px rgba(79,70,229,0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --container: 1200px;
    --navbar-h: 72px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--navbar-h); }
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    width: 100%;
    transition: var(--transition-fast);
    background: var(--bg);
    color: var(--text);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}
::selection { background: var(--primary-50); color: var(--primary-dark); }

/* ---- Container ---- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Section spacing ---- */
section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}
section:nth-child(even) {
    background: var(--bg-alt);
}

/* ---- Section headers ---- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}
.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text);
    margin-bottom: 16px;
}
.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}
.gradient-text {
    background: linear-gradient(135deg, var(--accent), #6366F1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    white-space: nowrap;
    text-align: center;
    justify-content: center;
}
.btn i { font-size: 14px; }
.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}
.btn-primary:hover {
    background: #4338CA;
    box-shadow: 0 4px 16px rgba(79,70,229,0.4);
    transform: translateY(-1px);
}
.btn-white {
    background: white;
    color: var(--accent);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.btn-white:hover {
    transform: translateY(-2px);
    background: #EEF2FF;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.btn-outline {
    border: 2px solid var(--accent);
    color: var(--accent);
    background: transparent;
}
.btn-outline:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
}
.btn-outline-white {
    border: 2px solid rgba(255,255,255,0.4);
    color: white;
    background: transparent;
}
.btn-outline-white:hover {
    border-color: white;
    color: white;
    background: rgba(255,255,255,0.1);
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-full { width: 100%; }
.btn-glow { animation: glow-pulse 2s ease-in-out infinite; }
@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 2px 8px rgba(79,70,229,0.3); }
    50% { box-shadow: 0 4px 20px rgba(79,70,229,0.5); }
}

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--navbar-h);
    display: flex;
    align-items: center;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--border);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 101;
}
.logo-img {
    height: 40px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    transition: opacity 0.3s ease;
}
/* Logo swap: managed by .scrolled state in navbar rules below */
.logo-light { display: none; }
.logo-dark { display: block; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link i { font-size: 10px; }
.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: #EEF2FF;
}
/* Navbar at top (transparent, over blue hero) */
.navbar:not(.scrolled) .nav-link { color: rgba(255,255,255,0.85); }
.navbar:not(.scrolled) .nav-link:hover,
.navbar:not(.scrolled) .nav-link.active {
    color: white;
    background: rgba(255,255,255,0.1);
}
.navbar:not(.scrolled) .nav-toggle span { background: white; }
.navbar:not(.scrolled) .logo-dark { display: none; }
.navbar:not(.scrolled) .logo-light { display: block; }
/* Navbar scrolled (white bg) */
.navbar.scrolled .nav-link { color: var(--text-secondary); }
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--accent);
    background: #EEF2FF;
}
.navbar.scrolled .logo-dark { display: block; }
.navbar.scrolled .logo-light { display: none; }

/* Dropdown */
.nav-dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
}
.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.dropdown-menu a:hover {
    background: #EEF2FF;
    color: var(--accent);
}
.dropdown-menu a i { width: 16px; color: var(--primary-light); }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 101;
}

/* Nav toggle (mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    padding: 4px 0;
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============ HERO ============ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #111827 0%, #1F2937 30%, #374151 60%, #4B5563 100%);
}
.hero-gradient::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(75,85,99,0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(107,114,128,0.2) 0%, transparent 50%);
}
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.hero-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    background: rgba(255,255,255,0.1);
}
.shape-1 { width: 400px; height: 400px; top: -100px; right: -100px; }
.shape-2 { width: 300px; height: 300px; bottom: -50px; left: -80px; }
.shape-3 { width: 200px; height: 200px; top: 40%; left: 20%; }

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-text { color: white; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    color: white;
}
.hero-badge i { color: #a5b4fc; }

.hero-title {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
    color: white;
}
.hero-title .gradient-text {
    background: linear-gradient(135deg, #a5b4fc, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 520px;
}
.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}
.trust-item i { color: #a5b4fc; }

/* Hero visual - floating cards */
.hero-visual { position: relative; height: 450px; }
.hero-card-stack { position: relative; width: 100%; height: 100%; }
.floating-card {
    position: absolute;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    color: var(--text);
    transition: var(--transition-slow);
    cursor: default;
    box-shadow: var(--shadow-md);
}
.floating-card:hover { transform: translateY(-8px) scale(1.03); box-shadow: var(--shadow-lg); }
.card-icon {
    width: 44px; height: 44px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 12px;
}
.card-label { font-weight: 600; font-size: 15px; margin-bottom: 4px; color: var(--text); }
.card-stat { font-size: 12px; color: var(--accent); font-weight: 500; }

.card-1 { top: 10%; left: 5%;  animation: float-1 6s ease-in-out infinite; }
.card-2 { top: 5%;  right: 5%; animation: float-2 7s ease-in-out infinite; }
.card-3 { bottom: 25%; left: 15%; animation: float-3 8s ease-in-out infinite; }
.card-4 { bottom: 10%; right: 10%; animation: float-4 6.5s ease-in-out infinite; }

@keyframes float-1 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
@keyframes float-2 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
@keyframes float-3 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes float-4 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.6);
    font-size: 12px;
    font-weight: 500;
    animation: scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ============ STATS ============ */
.stats {
    padding: 60px 0;
    background: white !important;
    border-bottom: 1px solid var(--border-light);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.stat-card {
    text-align: center;
    padding: 32px 16px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); }
.stat-icon {
    width: 56px; height: 56px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin: 0 auto 16px;
}
.stat-card:nth-child(2) .stat-icon { background: #F0FDF4; color: var(--success); }
.stat-card:nth-child(3) .stat-icon { background: #FFF7ED; color: var(--warning); }
.stat-card:nth-child(4) .stat-icon { background: #FDF2F8; color: #EC4899; }

.stat-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--text);
    line-height: 1;
    display: inline;
}
.stat-suffix {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    display: inline;
}
.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
}

/* ============ DIPLOMES ============ */
.diplomes { background: white !important; }
.diplomes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.diplome-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.diplome-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #6366F1);
    opacity: 0;
    transition: var(--transition);
}
.diplome-card:hover {
    border-color: var(--accent-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.diplome-card:hover::before { opacity: 1; }
.diplome-flag {
    margin-bottom: 16px;
}
.flag-emoji { font-size: 36px; }
.diplome-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}
.diplome-programs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.program-tag {
    padding: 4px 12px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}
.diplome-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.6;
}
.diplome-benefits { display: flex; flex-direction: column; gap: 8px; }
.diplome-benefits li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text);
}
.diplome-benefits li i { color: var(--success); font-size: 14px; }

/* ============ FORMATIONS ============ */
.formations { background: var(--bg-alt) !important; }
.formation-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.tab-btn {
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    background: white;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}
.tab-btn:hover { border-color: var(--accent-light); color: var(--accent); }
.tab-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}
.tab-btn i { font-size: 14px; }
.tab-content { display: none; }
.tab-content.active { display: block; }

.formations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 24px;
}
.formation-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    position: relative;
}
.formation-card:hover {
    border-color: var(--accent-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.formation-icon {
    width: 52px; height: 52px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}
.formation-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}
.formation-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}
.formation-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}
.formation-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-tertiary);
}
.formation-meta span i { color: var(--accent-light); }

/* ============ CAMPUS ============ */
.campus { background: white !important; }
.campus-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.campus-info .section-title { text-align: left; }
.campus-info p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 32px;
}
.campus-features { display: flex; flex-direction: column; gap: 20px; }
.campus-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.feature-icon {
    width: 44px; height: 44px;
    min-width: 44px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.campus-feature h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.campus-feature p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; }

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 16px;
}
.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.gallery-item:hover img {
    transform: scale(1.05);
}
.gallery-large { grid-column: span 2; aspect-ratio: 16/9; }

/* ============ VIE ETUDIANTE ============ */
.vie-etudiante { background: var(--bg-alt) !important; }
.vie-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.vie-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}
.vie-card:hover {
    border-color: var(--accent-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.vie-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, #1F2937, #374151);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin: 0 auto 16px;
}
.vie-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.vie-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ============ ACTUALITES ============ */
.actualites { background: white !important; }
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.news-card:hover {
    border-color: var(--accent-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--bg-alt);
}
.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.news-card:hover .news-image img {
    transform: scale(1.05);
}
.news-date {
    position: absolute;
    bottom: 12px;
    left: 12px;
    padding: 4px 12px;
    background: white;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}
.news-body { padding: 20px 24px 24px; }
.news-tag {
    display: inline-block;
    padding: 3px 10px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.news-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.news-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.news-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    transition: var(--transition-fast);
}
.news-link:hover { gap: 10px; }
.section-cta { text-align: center; margin-top: 40px; }

/* ============ ALUMNI / TEMOIGNAGES ============ */
.alumni {
    background: var(--bg-dark) !important;
    color: white;
}
.alumni .section-badge { background: rgba(79,70,229,0.2); color: var(--accent-light); }
.alumni .section-title { color: white; }
.alumni .section-desc { color: rgba(255,255,255,0.6); }
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.testimonial-card {
    background: var(--bg-dark-light);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}
.testimonial-card:hover {
    border-color: rgba(79,70,229,0.2);
    transform: translateY(-4px);
}
.testimonial-quote { color: var(--primary-light); font-size: 24px; margin-bottom: 16px; }
.testimonial-text {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255,255,255,0.8);
    margin-bottom: 24px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.author-avatar {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--accent), #6366F1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
}
.testimonial-author strong {
    display: block;
    font-size: 14px;
    color: white;
}
.testimonial-author span {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

/* ============ PARTENAIRES ============ */
.partenaires { background: white !important; padding: 80px 0; }
.partners-marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
    display: flex;
    gap: 48px;
    animation: marquee 30s linear infinite;
    width: max-content;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
    height: 56px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    background: var(--bg-alt);
}
.partner-logo span {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* ============ ADMISSION ============ */
.admission { background: var(--bg-alt) !important; }
.admission-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}
.admission-info .section-title { text-align: left; }
.admission-info > p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 32px;
}
.admission-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}
.step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.step-number {
    width: 40px; height: 40px;
    min-width: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
}
.step-content h4 { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.step-content p { font-size: 14px; color: var(--text-secondary); }

.admission-contacts {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.contact-person {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    flex: 1;
    min-width: 200px;
}
.contact-person i {
    font-size: 20px;
    color: var(--accent);
}
.contact-person strong { display: block; font-size: 14px; }
.contact-person span { font-size: 12px; color: var(--text-secondary); }

.form-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}
.form-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.form-card h3 i { color: var(--accent); }
.form-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.admission-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}
.form-legal {
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.form-success {
    text-align: center;
    padding: 40px 20px;
}
.form-success i {
    font-size: 48px;
    color: var(--success);
    margin-bottom: 16px;
}
.form-success h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--success);
}

/* ============ FAQ ============ */
.faq { background: white !important; }
.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent-light); }
.faq-item.active { border-color: var(--accent); }
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: var(--transition-fast);
}
.faq-question i {
    color: var(--accent);
    font-size: 14px;
    transition: var(--transition);
}
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-answer p {
    padding: 0 24px 18px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ CONTACT ============ */
.contact { background: var(--bg-alt) !important; }
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}
.contact-info .section-title { text-align: left; }
.contact-info > p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 32px;
}
.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}
.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.contact-icon {
    width: 44px; height: 44px;
    min-width: 44px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.contact-item strong { display: block; font-size: 14px; margin-bottom: 2px; }
.contact-item p { font-size: 14px; color: var(--text-secondary); margin: 0; }

.contact-hours {
    padding: 16px 20px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}
.contact-hours h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
}
.contact-hours p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

.social-links {
    display: flex;
    gap: 12px;
}
.social-link {
    width: 42px; height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.social-link:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-2px);
}

.map-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

/* ============ FOOTER ============ */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.footer-logo-img {
    height: 48px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}
.footer-logo .logo-name { color: white; }
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
}
.footer-certifications {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(79,70,229,0.15);
    color: var(--accent-light);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}
.footer-links h4 {
    color: white;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
    font-size: 14px;
    transition: var(--transition-fast);
}
.footer-links a:hover { color: var(--accent-light); }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    font-size: 13px;
}
.footer-bottom-links {
    display: flex;
    gap: 24px;
}
.footer-bottom-links a:hover { color: var(--accent-light); }

/* ============ FLOATING WIDGETS ============ */

/* WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 999;
    width: 56px; height: 56px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    transition: var(--transition);
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37,211,102,0.5);
}
.whatsapp-tooltip {
    position: absolute;
    right: 68px;
    background: white;
    color: var(--text);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* Chatbot */
.chatbot-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 998;
}
.chatbot-toggle {
    width: 56px; height: 56px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
    position: relative;
}
.chatbot-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-lg);
}
.chatbot-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 20px; height: 20px;
    background: var(--error);
    color: white;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-window {
    position: absolute;
    bottom: 68px;
    right: 0;
    width: 380px;
    max-height: 520px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #1F2937;
    color: white;
}
.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}
.chatbot-avatar {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.chatbot-header strong { font-size: 14px; }
.chatbot-status {
    font-size: 11px;
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    gap: 4px;
}
.chatbot-status::before {
    content: '';
    width: 6px; height: 6px;
    background: #4ade80;
    border-radius: 50%;
}
.chatbot-close {
    color: white;
    font-size: 16px;
    opacity: 0.7;
    transition: var(--transition-fast);
}
.chatbot-close:hover { opacity: 1; }

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 360px;
}
.chat-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.5;
}
.chat-message.bot {
    background: var(--bg-alt);
    color: var(--text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}
.chat-message.user {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chatbot-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0;
}
.suggestion-btn {
    padding: 6px 14px;
    background: #EEF2FF;
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition-fast);
}
.suggestion-btn:hover {
    background: var(--primary);
    color: white;
}

.chatbot-input {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--border-light);
}
.chatbot-input input {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 10px 16px;
    font-size: 14px;
}
.chatbot-input button {
    width: 40px; height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: var(--transition-fast);
}
.chatbot-input button:hover { background: #4338CA; }

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 997;
    width: 44px; height: 44px;
    background: white;
    color: var(--accent);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: var(--transition);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 10000;
    background: white;
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    padding: 16px 0;
}
.cookie-content {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.cookie-text {
    display: flex;
    align-items: center;
    gap: 12px;
}
.cookie-text i { font-size: 24px; color: var(--gold); }
.cookie-text p { font-size: 14px; color: var(--text-secondary); }
.cookie-actions { display: flex; gap: 8px; }
.btn-cookie-accept {
    padding: 8px 20px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-fast);
}
.btn-cookie-accept:hover { background: var(--primary-dark); }
.btn-cookie-decline {
    padding: 8px 20px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-fast);
}
.btn-cookie-decline:hover { border-color: var(--text-secondary); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-subtitle { margin: 0 auto 32px; }
    .hero-ctas { justify-content: center; }
    .hero-trust { justify-content: center; }
    .hero-visual { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .diplomes-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .campus-layout { grid-template-columns: 1fr; }
    .campus-info .section-title { text-align: center; }
    .gallery-grid { grid-template-columns: 1fr 1fr; }
    .gallery-large { grid-column: span 2; }
    .admission-layout { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .testimonials-slider { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .formations-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
    .news-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    section { padding: 64px 0; }
    .section-header { margin-bottom: 40px; }
    .section-title { font-size: 26px; }

    .nav-links {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 100;
    }
    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }
    .nav-links .nav-link {
        color: var(--text);
        font-size: 18px;
        padding: 12px 24px;
    }
    .nav-links .nav-link:hover { color: var(--accent); }
    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
    }
    .nav-dropdown:hover .dropdown-menu { display: block; }
    .nav-toggle { display: flex; }
    .nav-actions .btn { display: none; }

    .navbar { height: 56px; }
    .logo-img { height: 32px; max-width: 120px; }

    .hero { min-height: auto; padding: 80px 0 60px; }
    .hero-title { font-size: 28px; }

    .stats-grid { gap: 16px; }
    .stat-number { font-size: 28px; }

    .formations-grid { grid-template-columns: 1fr; }
    .formation-tabs { gap: 6px; }
    .tab-btn { padding: 8px 16px; font-size: 13px; }

    .campus-layout { gap: 32px; }
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-large { grid-column: span 1; }

    .vie-grid { grid-template-columns: 1fr 1fr; }
    .news-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .cookie-content { flex-direction: column; text-align: center; }

    .admission-layout { gap: 32px; }
    .contact-layout { gap: 32px; }

    .chatbot-window { width: calc(100vw - 48px); right: -12px; }
}

@media (max-width: 480px) {
    section { padding: 48px 0; }
    .container { padding: 0 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-number { font-size: 28px; }
    .stat-card { padding: 20px 12px; }
    .vie-grid { grid-template-columns: 1fr; }
    .vie-card { padding: 20px; }
    .navbar { height: 48px; }
    .logo-img { height: 26px; max-width: 100px; }
    .hero { padding: 68px 0 48px; }
    .hero-title { font-size: 24px; }
    .hero-subtitle { font-size: 15px; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .hero-ctas .btn { width: 100%; justify-content: center; }
    .formation-tabs { gap: 4px; }
    .tab-btn { padding: 8px 12px; font-size: 12px; }
    .formation-card { padding: 20px; }
    .section-title { font-size: 22px; }
    .diplome-card { padding: 24px; }
    .news-card .news-body { padding: 16px; }
    .faq-question { padding: 16px; font-size: 15px; }
    .footer-grid { gap: 24px; }
}