/* ============================================================
   SariSa Institutions — Main Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@700;900&display=swap');

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  --primary: #1a1f6e;
  --primary-dark: #0d1147;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --secondary: #06b6d4;
  --success: #10b981;
  --danger: #ef4444;
  --text-dark: #0f172a;
  --text-mid: #475569;
  --text-light: #94a3b8;
  --bg-light: #f8faff;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --gradient: linear-gradient(135deg, #1a1f6e 0%, #0a3caa 50%, #0ea5e9 100%);
  --gradient-gold: linear-gradient(135deg, #f59e0b, #d97706);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ─── Utility ───────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-alt { background: var(--bg-light); }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }
.badge {
  display: inline-block; padding: 4px 14px; border-radius: 50px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  background: rgba(245,158,11,0.1); color: var(--accent); margin-bottom: 12px;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900; line-height: 1.2;
  color: var(--primary); margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.05rem; color: var(--text-mid);
  max-width: 580px; margin: 0 auto 48px;
}
.divider {
  width: 60px; height: 4px; background: var(--gradient-gold);
  border-radius: 99px; margin: 16px auto 24px;
}

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius); font-weight: 700;
  font-size: 0.95rem; cursor: pointer; border: none;
  transition: var(--transition); font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: var(--gradient-gold); color: #fff;
  box-shadow: 0 4px 20px rgba(245,158,11,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,158,11,0.5); }
.btn-secondary {
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-secondary:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 10px 22px; font-size: 0.85rem; }

/* ─── Navbar ────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition); height: 72px;
  display: flex; align-items: center;
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--gradient); display: flex; align-items: center;
  justify-content: center; font-size: 1.3rem; color: #fff; font-weight: 900;
}
.nav-logo-text { font-size: 1.1rem; font-weight: 800; color: var(--primary); line-height: 1.1; }
.nav-logo-sub { font-size: 0.65rem; font-weight: 500; color: var(--text-mid); letter-spacing: 1px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-links a {
  padding: 8px 16px; border-radius: 8px; font-weight: 600;
  font-size: 0.9rem; color: var(--text-mid); transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: var(--bg-light); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }

/* ─── Hero Section ──────────────────────────────────────── */
.hero {
  min-height: 100vh; background: var(--gradient);
  display: flex; align-items: center; position: relative; overflow: hidden;
  padding-top: 72px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-blob {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: rgba(255,255,255,0.05); filter: blur(80px);
}
.hero-blob-1 { top: -200px; right: -100px; }
.hero-blob-2 { bottom: -200px; left: -200px; background: rgba(6,182,212,0.1); }
.hero-content { position: relative; z-index: 2; color: #fff; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2); border-radius: 50px;
  padding: 8px 16px; font-size: 0.8rem; font-weight: 600; margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.hero-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: #10b981; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.7;transform:scale(1.3)} }
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900; line-height: 1.1; margin-bottom: 20px;
}
.hero h1 span { color: var(--accent-light); }
.hero-sub { font-size: 1.15rem; opacity: 0.85; max-width: 580px; margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 32px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.15); }
.stat-item { text-align: center; }
.stat-number { font-size: 2.2rem; font-weight: 900; color: var(--accent-light); line-height: 1; }
.stat-label { font-size: 0.8rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.hero-image-side {
  position: relative; display: flex; align-items: center; justify-content: center;
}
.hero-card {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius-lg);
  padding: 32px; color: #fff; max-width: 380px; width: 100%;
}
.hero-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.hero-form-group { margin-bottom: 14px; }
.hero-form-group input, .hero-form-group select {
  width: 100%; padding: 12px 16px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1); color: #fff;
  font-size: 0.9rem; font-family: 'Inter', sans-serif;
  outline: none; transition: var(--transition);
}
.hero-form-group input::placeholder { color: rgba(255,255,255,0.6); }
.hero-form-group select option { color: var(--text-dark); background: #fff; }
.hero-form-group input:focus, .hero-form-group select:focus {
  border-color: var(--accent); background: rgba(255,255,255,0.15);
}
.hero-card .btn-primary { width: 100%; justify-content: center; }

/* ─── About Section ─────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-image-wrap { position: relative; }
.about-image-main {
  width: 100%; aspect-ratio: 4/3; border-radius: var(--radius-lg);
  background: var(--gradient); display: flex; align-items: center;
  justify-content: center; overflow: hidden; position: relative;
}
.about-image-inner {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; color: white; text-align: center; padding: 32px;
}
.about-image-inner .icon { font-size: 5rem; margin-bottom: 16px; }
.about-image-inner p { font-size: 1.2rem; font-weight: 600; opacity: 0.9; }
.about-float-card {
  position: absolute; bottom: -20px; right: -20px;
  background: #fff; border-radius: var(--radius); padding: 18px 24px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px;
}
.about-float-card .num { font-size: 2rem; font-weight: 900; color: var(--accent); line-height: 1; }
.about-float-card .lbl { font-size: 0.8rem; color: var(--text-mid); font-weight: 600; line-height: 1.3; }
.about-content .badge { margin-bottom: 8px; }
.about-points { list-style: none; margin: 24px 0; display: flex; flex-direction: column; gap: 12px; }
.about-points li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.95rem; color: var(--text-mid);
}
.about-points li::before { content: '✓'; color: var(--success); font-weight: 800; font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.about-stats-row { display: flex; gap: 24px; margin-top: 32px; }
.about-stat {
  text-align: center; padding: 20px 24px; border-radius: var(--radius);
  background: var(--bg-light); flex: 1;
}
.about-stat .n { font-size: 1.8rem; font-weight: 900; color: var(--primary); }
.about-stat .l { font-size: 0.8rem; color: var(--text-mid); font-weight: 600; }

/* ─── Courses Section ───────────────────────────────────── */
.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.course-card {
  background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border);
  overflow: hidden; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.course-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.course-card-top {
  height: 140px; display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem; position: relative; overflow: hidden;
}
.course-card-body { padding: 24px; }
.course-card-body h3 { font-size: 1.2rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.course-card-body p { font-size: 0.875rem; color: var(--text-mid); margin-bottom: 16px; line-height: 1.6; }
.course-meta { display: flex; gap: 16px; margin-bottom: 20px; }
.course-meta span {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.8rem; font-weight: 600; color: var(--text-mid);
}
.course-meta .icon { font-size: 0.9rem; }
.course-price { font-size: 0.9rem; font-weight: 700; color: var(--accent); margin-bottom: 20px; }
.course-card .btn { width: 100%; justify-content: center; }

/* ─── Faculty Section ───────────────────────────────────── */
.faculty-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.faculty-card {
  background: #fff; border-radius: var(--radius-lg); padding: 32px 24px;
  text-align: center; border: 1px solid var(--border);
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.faculty-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.faculty-avatar {
  width: 100px; height: 100px; border-radius: 50%; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem; border: 4px solid var(--bg-light);
}
.faculty-card h3 { font-size: 1.15rem; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.faculty-card .role { font-size: 0.85rem; font-weight: 600; color: var(--accent); margin-bottom: 8px; }
.faculty-card .qual { font-size: 0.8rem; color: var(--text-mid); margin-bottom: 16px; line-height: 1.5; }
.faculty-card .exp { font-size: 0.8rem; font-weight: 700; color: var(--primary); }
.faculty-card .subjects { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.faculty-card .subjects span {
  font-size: 0.72rem; padding: 4px 10px; border-radius: 50px;
  background: var(--bg-light); color: var(--primary); font-weight: 600;
}

/* ─── Testimonials ──────────────────────────────────────── */
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 48px; }
.testimonial-card {
  background: #fff; border-radius: var(--radius-lg); padding: 32px;
  border: 1px solid var(--border); position: relative; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-card::before {
  content: '"'; font-size: 6rem; font-family: 'Playfair Display', serif;
  color: var(--accent); opacity: 0.15; position: absolute;
  top: 8px; left: 20px; line-height: 1;
}
.stars { display: flex; gap: 3px; margin-bottom: 16px; }
.stars span { font-size: 1.1rem; }
.testimonial-text { font-size: 0.95rem; color: var(--text-mid); margin-bottom: 24px; line-height: 1.7; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
  width: 50px; height: 50px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 1.4rem;
  background: var(--bg-light);
}
.testimonial-info h4 { font-size: 0.95rem; font-weight: 700; color: var(--primary); }
.testimonial-info p { font-size: 0.8rem; color: var(--text-mid); }
.testimonial-result {
  display: inline-block; margin-top: 12px; padding: 4px 12px;
  background: rgba(16,185,129,0.1); color: var(--success);
  border-radius: 50px; font-size: 0.75rem; font-weight: 700;
}

/* ─── Gallery ───────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px; margin-top: 48px;
}
.gallery-item {
  border-radius: var(--radius); overflow: hidden; position: relative; cursor: pointer;
  background: var(--gradient); aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.gallery-item:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.gallery-item.large { grid-column: span 2; aspect-ratio: 16/9; }
.gallery-item-label {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; color: white;
  background: rgba(0,0,0,0.3); gap: 8px;
}
.gallery-item-label .gi { font-size: 3rem; }
.gallery-item-label span { font-size: 0.9rem; font-weight: 600; letter-spacing: 0.5px; }
.gallery-item-overlay {
  position: absolute; inset: 0; background: rgba(26,31,110,0.7);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition);
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item-overlay span { color: white; font-weight: 600; font-size: 0.9rem; }

/* ─── Contact Section ───────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-card {
  background: #fff; border-radius: var(--radius); padding: 24px;
  border: 1px solid var(--border); display: flex; gap: 18px; align-items: flex-start;
  box-shadow: var(--shadow-sm);
}
.contact-card-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.contact-card h4 { font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.contact-card p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.6; }
.inquiry-form {
  background: #fff; border-radius: var(--radius-lg); padding: 40px;
  border: 1px solid var(--border); box-shadow: var(--shadow-md);
}
.inquiry-form h3 { font-size: 1.4rem; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.inquiry-form .sub { font-size: 0.875rem; color: var(--text-mid); margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: 10px;
  border: 1.5px solid var(--border); background: var(--bg-light);
  font-size: 0.9rem; font-family: 'Inter', sans-serif; color: var(--text-dark);
  transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary); background: #fff;
  box-shadow: 0 0 0 4px rgba(26,31,110,0.08);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit-btn { width: 100%; justify-content: center; padding: 16px; font-size: 1rem; }

/* ─── Map Embed ─────────────────────────────────────────── */
.map-section { height: 320px; }
.map-section iframe { width: 100%; height: 100%; border: none; border-radius: var(--radius-lg); display: block; }

/* ─── Footer ────────────────────────────────────────────── */
footer {
  background: var(--primary-dark); color: #fff; padding: 64px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-about p { font-size: 0.875rem; opacity: 0.65; margin-top: 16px; line-height: 1.7; }
.footer-col h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.85rem; opacity: 0.6; transition: var(--transition); }
.footer-col ul li a:hover { opacity: 1; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0; display: flex; align-items: center;
  justify-content: space-between; font-size: 0.8rem; opacity: 0.5;
}

/* ─── WhatsApp Button ───────────────────────────────────── */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 9999;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.5); cursor: pointer;
  transition: var(--transition); text-decoration: none;
  animation: wa-pulse 2.5s infinite;
}
.whatsapp-float:hover { transform: scale(1.12); background: #20ba5a; }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }
@keyframes wa-pulse {
  0%,100%{box-shadow:0 8px 24px rgba(37,211,102,0.5)}
  50%{box-shadow:0 8px 36px rgba(37,211,102,0.7)}
}

/* ─── Modal ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; pointer-events: none; transition: var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: #fff; border-radius: var(--radius-lg); padding: 40px;
  max-width: 480px; width: 100%; position: relative;
  transform: scale(0.9) translateY(20px); transition: var(--transition);
}
.modal-overlay.active .modal { transform: scale(1) translateY(0); }
.modal-close {
  position: absolute; top: 16px; right: 16px; background: var(--bg-light);
  border: none; width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
  font-size: 1.2rem; display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--border); }
.modal h3 { font-size: 1.4rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.modal p { font-size: 0.875rem; color: var(--text-mid); margin-bottom: 24px; }

/* ─── Toast ─────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--primary); color: #fff; padding: 14px 28px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 600; z-index: 20000;
  transition: var(--transition); white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ─── Scroll Animations ─────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── Page Banner ───────────────────────────────────────── */
.page-banner {
  background: var(--gradient); color: #fff;
  padding: 120px 0 60px; text-align: center;
}
.page-banner h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; margin-bottom: 12px;
}
.page-banner p { font-size: 1rem; opacity: 0.8; }
.breadcrumb {
  display: inline-flex; gap: 8px; align-items: center;
  font-size: 0.85rem; opacity: 0.7; margin-bottom: 12px;
}
.breadcrumb a:hover { opacity: 1; color: var(--accent); }

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image-wrap { max-width: 480px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero-image-side { display: none; }
  .hero { padding-bottom: 64px; }
  .hero h1 { font-size: 2.2rem; }
  .courses-grid, .faculty-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.large { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { gap: 20px; }
  .about-stats-row { gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* ─── Mobile Nav Drawer ─────────────────────────────────── */
.mobile-nav {
  position: fixed; inset: 0; z-index: 5000;
  background: rgba(0,0,0,0.5); opacity: 0; pointer-events: none; transition: var(--transition);
}
.mobile-nav.active { opacity: 1; pointer-events: all; }
.mobile-nav-drawer {
  position: absolute; top: 0; right: 0; bottom: 0; width: 280px;
  background: #fff; transform: translateX(100%); transition: var(--transition);
  padding: 80px 24px 32px; display: flex; flex-direction: column;
}
.mobile-nav.active .mobile-nav-drawer { transform: translateX(0); }
.mobile-nav-drawer a {
  padding: 14px 0; font-size: 1rem; font-weight: 600; color: var(--primary);
  border-bottom: 1px solid var(--border); display: block;
}
.mobile-nav-drawer .btn { margin-top: 24px; justify-content: center; width: 100%; }