/* =============================================
   IFR LABTRAINING - PREMIUM AVIATION THEME
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
    --color-bg: #070b14;
    --color-bg-alt: #0c1220;
    --color-bg-card: #111827;
    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-dark: #1e3a8a;
    --color-accent: #00d4ff;
    --color-accent-glow: rgba(0, 212, 255, 0.15);
    --color-orange: #ff8c00;
    --color-orange-dark: #ff6b00;
    --color-success: #10b981;
    --color-white: #ffffff;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    --color-error: #ef4444;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-gray-300);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--spacing-lg); }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.75rem; padding: 0.875rem 2rem; border-radius: 0.5rem;
    border: none; font-size: 1rem; font-weight: 600; cursor: pointer;
    text-decoration: none; transition: var(--transition); white-space: nowrap;
    font-family: var(--font-body); position: relative; overflow: hidden;
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-orange), var(--color-orange-dark));
    color: var(--color-white); box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 140, 0, 0.5);
    filter: brightness(1.1);
}
.btn-outline {
    background: transparent; color: var(--color-accent);
    border: 2px solid var(--color-accent);
}
.btn-outline:hover {
    background: var(--color-accent); color: var(--color-bg);
    box-shadow: var(--shadow-glow);
}
.btn-white {
    background: var(--color-white); color: var(--color-bg);
}
.btn-white:hover {
    background: var(--color-gray-100); transform: translateY(-2px);
}
.btn-secondary {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: var(--color-white);
}
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* =============================================
   HEADER & NAVIGATION
   ============================================= */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(7, 11, 20, 0.85);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}
.header.scrolled {
    background: rgba(7, 11, 20, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.navbar { padding: 1rem 0; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo {
    display: flex; align-items: center; gap: 0.75rem;
    font-size: 1.25rem; font-weight: 700; color: var(--color-white);
    text-decoration: none; font-family: var(--font-heading);
    letter-spacing: 0.5px;
}
.logo img { height: 90px; width: auto; }
.nav-menu { display: flex; list-style: none; gap: 0.25rem; }
.nav-menu a {
    display: block; color: var(--color-gray-400); text-decoration: none;
    font-weight: 500; padding: 0.6rem 1rem; transition: var(--transition);
    border-radius: 0.4rem; font-size: 0.9rem; text-transform: uppercase;
    letter-spacing: 1px;
}
.nav-menu a:hover { color: var(--color-white); background: rgba(255,255,255,0.05); }
.nav-menu a.active { color: var(--color-accent); }
.mobile-menu-btn {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 0.5rem;
}
.mobile-menu-btn span {
    width: 24px; height: 2px; background-color: var(--color-white);
    border-radius: 2px; transition: var(--transition);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative; min-height: 100vh; display: flex;
    align-items: center; overflow: hidden;
    background: var(--color-bg);
}
.hero-bg {
    position: absolute; inset: 0; z-index: 1;
}
.hero-bg img, .hero-bg video {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-overlay {
    position: absolute; inset: 0; z-index: 2;
    background: linear-gradient(90deg, rgba(7,11,20,0.92) 0%, rgba(7,11,20,0.7) 40%, rgba(7,11,20,0.3) 100%);
}
.hero-content {
    position: relative; z-index: 10; max-width: 650px;
    padding: 8rem 0 4rem;
    animation: fadeInUp 1s ease-out;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(0, 212, 255, 0.1); border: 1px solid rgba(0, 212, 255, 0.25);
    padding: 0.4rem 1rem; border-radius: 2rem; margin-bottom: 1.5rem;
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--color-accent);
}
.hero-badge::before {
    content: ''; width: 6px; height: 6px; background: var(--color-accent);
    border-radius: 50%; animation: pulse 2s infinite;
}
.hero h1 {
    font-family: var(--font-heading); font-size: 4.5rem; font-weight: 900;
    color: var(--color-white); line-height: 1.05; margin-bottom: 1.5rem;
    text-transform: uppercase; letter-spacing: -1px;
}
.hero h1 em {
    font-style: italic; color: var(--color-accent);
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
}
.hero-description {
    font-size: 1.05rem; color: var(--color-gray-400);
    line-height: 1.8; margin-bottom: 2.5rem; max-width: 500px;
}

/* =============================================
   SECTIONS
   ============================================= */
.section { padding: var(--spacing-3xl) 0; position: relative; }
.section-dark { background: var(--color-bg-alt); }
.section-gradient {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 50%, var(--color-bg) 100%);
}
.section-title {
    font-family: var(--font-heading); font-size: 2.75rem; color: var(--color-white);
    text-align: center; margin-bottom: var(--spacing-sm); font-weight: 800;
    text-transform: uppercase; letter-spacing: 1px;
}
.section-subtitle {
    text-align: center; color: var(--color-gray-400); font-size: 1.05rem;
    margin-bottom: var(--spacing-2xl); max-width: 600px;
    margin-left: auto; margin-right: auto;
}
.section-line {
    width: 60px; height: 3px; background: var(--color-accent);
    margin: 0 auto var(--spacing-lg); border-radius: 2px;
}

/* =============================================
   FEATURE ITEMS
   ============================================= */
.feature-item {
    text-align: center; padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 1rem; transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.feature-item:hover {
    transform: translateY(-8px); border-color: rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-glow); background: rgba(255, 255, 255, 0.05);
}
.feature-icon {
    width: 70px; height: 70px; border-radius: 1rem; margin: 0 auto var(--spacing-md);
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(59,130,246,0.1));
    border: 1px solid rgba(0, 212, 255, 0.15);
}
.feature-icon i { font-size: 1.75rem; color: var(--color-accent); }
.feature-item h3 { color: var(--color-white); margin-bottom: var(--spacing-sm); font-size: 1.15rem; }
.feature-item p { color: var(--color-gray-400); font-size: 0.95rem; }

/* =============================================
   GRID & CARDS
   ============================================= */
.grid { display: grid; gap: var(--spacing-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: var(--color-bg-card); border-radius: 1rem;
    padding: var(--spacing-xl); transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.06);
}
.card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.card-featured { border-color: var(--color-accent); }
.card-image {
    position: relative; width: 100%; height: 220px;
    border-radius: 0.75rem; overflow: hidden;
    margin-bottom: var(--spacing-lg);
}
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.card:hover .card-image img { transform: scale(1.05); }
.card h3 { font-size: 1.35rem; color: var(--color-white); margin-bottom: var(--spacing-sm); }
.card p { color: var(--color-gray-400); margin-bottom: var(--spacing-md); font-size: 0.95rem; }
.card-list { list-style: none; margin-bottom: var(--spacing-lg); }
.card-list li {
    padding: 0.4rem 0; color: var(--color-gray-300); display: flex;
    align-items: center; gap: 0.75rem; font-size: 0.95rem;
}
.card-list li i { color: var(--color-success); font-size: 0.85rem; }

/* =============================================
   EXPERIENCE CARDS
   ============================================= */
.exp-card {
    position: relative; overflow: hidden; border-radius: 1rem;
    aspect-ratio: 1 / 1; cursor: pointer; transition: var(--transition);
    box-shadow: var(--shadow-lg);
}
.exp-card:hover { transform: scale(1.03); box-shadow: var(--shadow-xl); }
.exp-card img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.exp-card:hover img { transform: scale(1.1); filter: brightness(1.1); }
.exp-card-overlay {
    position: absolute; bottom: 0; left: 0; right: 0; z-index: 2;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
    padding: 2rem; padding-top: 4rem;
}
.exp-card-overlay h3 {
    color: white; font-family: var(--font-heading); font-size: 1.6rem;
    font-weight: 800; font-style: italic; text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5); line-height: 1.2;
}

/* =============================================
   COURSE THUMBNAILS
   ============================================= */
.course-thumb {
    text-align: center; transition: var(--transition);
}
.course-thumb:hover { transform: translateY(-5px); }
.course-thumb img {
    width: 100%; max-width: 220px; height: auto; border-radius: 0.75rem;
    box-shadow: var(--shadow-lg); border: 2px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}
.course-thumb:hover img { border-color: var(--color-accent); box-shadow: var(--shadow-glow); }
.course-thumb h4 {
    color: var(--color-white); margin-top: 1rem; text-transform: uppercase;
    font-weight: 700; font-size: 0.9rem; letter-spacing: 1px;
}

/* =============================================
   EXPANDABLE COURSES
   ============================================= */
.expand-courses-wrapper {
    text-align: center;
    margin-top: var(--spacing-lg);
}
.expand-courses-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    opacity: 0;
}
.expand-courses-content.expanded {
    max-height: 600px;
    opacity: 1;
}
.expand-courses-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: var(--spacing-lg);
    padding: 0.7rem 1.8rem;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 2rem;
    color: var(--color-accent);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: var(--transition);
}
.expand-courses-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}
.expand-courses-btn i {
    font-size: 0.8rem;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.expand-courses-btn.active i {
    transform: rotate(180deg);
}
.expand-courses-btn.active span::after {
    content: '';
}

/* =============================================
   PARTNER CARDS
   ============================================= */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}
.partner-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1rem;
    transition: var(--transition);
    cursor: pointer;
}
.partner-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
}
.partner-logo {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: var(--transition);
}
.partner-card:hover .partner-logo {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}
.partner-logo img {
    width: 70%;
    height: 70%;
    object-fit: contain;
    transition: var(--transition);
}
.partner-card:hover .partner-logo img {
    transform: scale(1.1);
}
.partner-card h4 {
    color: var(--color-white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    text-align: center;
    line-height: 1.4;
}

/* =============================================
   GALLERY
   ============================================= */
.gallery-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg);
}
.gallery-grid-3 {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg);
}
.gallery-item {
    border-radius: 1rem; overflow: hidden; box-shadow: var(--shadow-lg);
    transition: var(--transition); position: relative;
}
.gallery-item:hover { transform: scale(1.03); box-shadow: var(--shadow-xl); }
.gallery-item img, .gallery-item video {
    width: 100%; height: 250px; object-fit: cover; display: block;
}

/* =============================================
   CONTENT SECTIONS (Two columns)
   ============================================= */
.content-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 3rem; align-items: center;
}
.content-text h2 {
    font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800;
    color: var(--color-white); margin-bottom: 1.5rem; text-transform: uppercase;
}
.content-text p {
    font-size: 1rem; line-height: 1.8; margin-bottom: 1.25rem;
    color: var(--color-gray-400);
}
.content-text .highlight-box {
    background: rgba(16, 185, 129, 0.08); padding: 1.5rem; border-radius: 1rem;
    border-left: 4px solid var(--color-success); margin-top: 1.5rem;
}
.content-text .highlight-box p { margin: 0; }
.content-text .highlight-box strong { color: var(--color-success); }
.content-media { display: grid; gap: 1.5rem; }
.media-item {
    border-radius: 1rem; overflow: hidden; box-shadow: var(--shadow-lg);
}
.media-item img, .media-item video {
    width: 100%; height: auto; object-fit: cover; display: block;
}
.check-list { list-style: none; padding: 0; margin-bottom: 1.25rem; }
.check-list li {
    padding: 0.4rem 0; color: var(--color-gray-300); display: flex;
    align-items: center; gap: 0.75rem;
}
.check-list li i { color: var(--color-success); }

/* =============================================
   SIMULATOR GRID
   ============================================= */
.sim-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.sim-item h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 1rem; color: var(--color-success); }

/* =============================================
   FORMS
   ============================================= */
.form-group { margin-bottom: var(--spacing-md); }
.form-group label {
    display: block; margin-bottom: 0.5rem; color: var(--color-gray-300);
    font-weight: 500; font-size: 0.9rem;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 0.85rem 1rem;
    background: rgba(0, 212, 255, 0.06); color: var(--color-white);
    border: 1px solid rgba(0, 212, 255, 0.2); border-radius: 0.5rem;
    font-family: var(--font-body); font-size: 1rem; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--color-gray-600); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
.form-status { padding: 1rem; border-radius: 0.5rem; margin-bottom: 1rem; display: none; }
.form-status.success { background: rgba(16,185,129,0.15); color: var(--color-success); border: 1px solid rgba(16,185,129,0.3); display: block; }
.form-status.error { background: rgba(239,68,68,0.15); color: var(--color-error); border: 1px solid rgba(239,68,68,0.3); display: block; }

.contact-info-card {
    background: var(--color-bg-card); padding: var(--spacing-xl);
    border-radius: 1rem; border: 1px solid rgba(255,255,255,0.06);
}
.contact-info-card h3 { color: var(--color-white); margin-bottom: var(--spacing-lg); font-size: 1.3rem; }
.contact-info-item { margin-bottom: var(--spacing-lg); }
.contact-info-item h4 { color: var(--color-accent); margin-bottom: 0.4rem; font-size: 0.95rem; }
.contact-info-item h4 i { margin-right: 0.5rem; }
.contact-info-item p { color: var(--color-gray-400); font-size: 0.95rem; }
.contact-info-item a { color: var(--color-accent); text-decoration: none; transition: var(--transition); }
.contact-info-item a:hover { color: var(--color-white); }

/* =============================================
   MAP
   ============================================= */
.map-container {
    width: 100%; height: 450px; border-radius: 1rem; overflow: hidden;
    box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}
.map-container:hover { box-shadow: var(--shadow-glow); }
.map-container iframe { width: 100%; height: 100%; border: none; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--color-bg-alt); border-top: 1px solid rgba(255,255,255,0.06);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}
.footer-grid {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl); margin-bottom: var(--spacing-2xl);
}
.footer-section h4 { color: var(--color-white); margin-bottom: var(--spacing-md); font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; }
.footer-section p { color: var(--color-gray-500); line-height: 1.8; font-size: 0.9rem; }
.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: 0.6rem; }
.footer-section a { color: var(--color-gray-400); text-decoration: none; transition: var(--transition); font-size: 0.9rem; }
.footer-section a:hover { color: var(--color-accent); }
.social-links { display: flex; gap: var(--spacing-sm); margin-top: var(--spacing-md); }
.social-links a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; background: rgba(255,255,255,0.05);
    border-radius: 50%; font-size: 1.1rem; transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.08);
}
.social-links a:hover { background: var(--color-accent); color: var(--color-bg); transform: translateY(-3px); border-color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06); padding-top: var(--spacing-lg);
    text-align: center; color: var(--color-gray-600); font-size: 0.85rem;
}

/* =============================================
   WHATSAPP FLOATING BUTTON
   ============================================= */
.whatsapp-btn {
    position: fixed; bottom: 28px; right: 28px; width: 58px; height: 58px;
    background: linear-gradient(135deg, #25d366, #128c7e); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    z-index: 999; transition: var(--transition); text-decoration: none;
    color: white; font-size: 1.7rem;
}
.whatsapp-btn:hover { transform: scale(1.1); box-shadow: 0 6px 25px rgba(37,211,102,0.6); }

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.animate-on-scroll {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid, .gallery-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; }
    .nav-menu {
        position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; gap: 0; background: rgba(7, 11, 20, 0.98);
        backdrop-filter: blur(20px); max-height: 0; overflow: hidden;
        transition: max-height 0.4s ease; border-top: 1px solid rgba(255,255,255,0.06);
    }
    .nav-menu.active { max-height: 500px; }
    .nav-menu a { padding: 1rem var(--spacing-lg); border-radius: 0; }
    .hero h1 { font-size: 2.8rem; }
    .hero-content { padding: 7rem 0 3rem; }
    .section-title { font-size: 2rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
    .content-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .gallery-grid, .gallery-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .sim-grid { grid-template-columns: 1fr; }
    .exp-card { aspect-ratio: auto; height: 300px; }
    .map-container { height: 300px; }
}

@media (max-width: 480px) {
    .container { padding: 0 var(--spacing-sm); }
    .hero h1 { font-size: 2.2rem; }
    .section-title { font-size: 1.75rem; }
    .gallery-grid, .gallery-grid-3 { grid-template-columns: 1fr; }
    .btn { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
}