/* ===========================
   CSS CUSTOM PROPERTIES
   =========================== */
:root {
  --blue: #1e40af;
  --blue-light: #3b82f6;
  --blue-dark: #1e3a8a;
  --teal: #0d9488;
  --teal-light: #14b8a6;
  --purple: #7c3aed;
  --purple-light: #8b5cf6;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --gradient-primary: linear-gradient(135deg, #1e40af 0%, #0d9488 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 40%, #0f4c5c 100%);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Poppins', 'Inter', system-ui, sans-serif;
  --transition: 0.25s ease;
  --header-h: 72px;
}

/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ===========================
   LAYOUT
   =========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.bg-light { background-color: var(--gray-50); }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(13,148,136,0.08);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-desc {
  color: var(--gray-500);
  font-size: 1.05rem;
  line-height: 1.7;
}

.mt-6 { margin-top: 24px; }

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(30,64,175,0.30);
}
.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(30,64,175,0.40);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

.btn-white {
  background: var(--white);
  color: var(--blue);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.btn-white:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.20);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ===========================
   HEADER & NAV
   =========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(15,23,42,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: white;
  line-height: 1.2;
}

.logo-text span { color: var(--teal-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover { color: white; background: rgba(255,255,255,0.08); }

.nav-cta {
  background: var(--gradient-primary) !important;
  color: white !important;
  padding: 9px 20px !important;
  border-radius: var(--radius-full) !important;
  box-shadow: 0 3px 12px rgba(30,64,175,0.30);
}
.nav-cta:hover {
  box-shadow: 0 4px 16px rgba(30,64,175,0.45) !important;
  background: none !important;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE NAV */
.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(15,23,42,0.98);
  padding: 16px 24px 24px;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav li { border-bottom: 1px solid rgba(255,255,255,0.06); }
.mobile-nav a {
  display: block;
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  font-weight: 500;
  padding: 14px 4px;
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--teal-light); }

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 60px) 0 80px;
}

.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
}
.shape-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
  top: -200px; right: -100px;
}
.shape-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #0d9488 0%, transparent 70%);
  bottom: -100px; left: -100px;
  opacity: 0.08;
}
.shape-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
  top: 40%; left: 40%;
  opacity: 0.05;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13,148,136,0.15);
  border: 1px solid rgba(20,184,166,0.3);
  color: var(--teal-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: white;
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 780px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.trust-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-full);
}

.trust-icon {
  display: flex;
  align-items: center;
  color: var(--teal-light);
}

/* ===========================
   ABOUT
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: center;
}

.about-card-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-stat-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.about-stat-card:first-child {
  grid-column: 1 / -1;
}
.about-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.about-stat-card.accent {
  background: var(--gradient-primary);
  border: none;
}
.about-stat-card.accent .stat-number,
.about-stat-card.accent .stat-label {
  color: white;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 500;
}

.about-content p {
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-highlights {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-700);
  font-weight: 500;
}

.highlight-check {
  width: 22px;
  height: 22px;
  background: rgba(13,148,136,0.1);
  color: var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  font-weight: 700;
}

/* ===========================
   PROGRAMS
   =========================== */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.program-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.program-card:hover::before { transform: scaleX(1); }

.program-icon {
  width: 52px;
  height: 52px;
  background: rgba(30,64,175,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--blue);
  transition: background var(--transition), color var(--transition);
}
.program-card:hover .program-icon {
  background: var(--gradient-primary);
  color: white;
}

.program-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
  line-height: 1.35;
}

.program-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 16px;
}

.program-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(13,148,136,0.08);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.programs-cta {
  text-align: center;
  margin-top: 48px;
}

/* ===========================
   FOR SCHOOLS
   =========================== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  background: rgba(30,64,175,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}

.benefit-content h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.benefit-content p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.schools-cta-box {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  text-align: center;
  color: white;
}

.schools-cta-box h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.schools-cta-box p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

/* ===========================
   MATERIALS
   =========================== */
.materials-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 72px;
  align-items: center;
}

.materials-content p {
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 16px;
}

.materials-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.material-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.material-icon {
  width: 40px;
  height: 40px;
  background: rgba(30,64,175,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}

.material-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.material-item p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin: 0;
}

.materials-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.materials-showcase {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-center {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 12px;
  box-shadow: 0 8px 32px rgba(30,64,175,0.35);
  z-index: 2;
}
.showcase-icon-large { font-size: 1.8rem; margin-bottom: 6px; }

.showcase-card {
  position: absolute;
  width: 90px;
  height: 90px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
  z-index: 1;
}
.showcase-card:hover { transform: scale(1.05); }

.showcase-icon { font-size: 1.6rem; }
.showcase-text { font-size: 0.65rem; font-weight: 600; color: var(--gray-600); }

.card-1 { top: 10px; left: 50%; transform: translateX(-50%); }
.card-2 { right: 10px; top: 50%; transform: translateY(-50%); }
.card-3 { bottom: 10px; left: 50%; transform: translateX(-50%); }
.card-4 { left: 10px; top: 50%; transform: translateY(-50%); }

/* ===========================
   CONTACT
   =========================== */
.contact { background: var(--gray-900); }
.contact .section-label { background: rgba(13,148,136,0.15); }
.contact .section-heading { color: white; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 72px;
  align-items: flex-start;
}

.contact-lead {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: rgba(13,148,136,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-light);
  flex-shrink: 0;
}

.contact-detail-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 4px;
}

.contact-detail-value {
  color: white;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}
a.contact-detail-value:hover { color: var(--teal-light); }

/* FORM */
.contact-form-wrapper {
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
}

.required { color: var(--teal); }

.form-group input,
.form-group textarea {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  width: 100%;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-light);
  background: white;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.10);
}

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  gap: 12px;
}
.form-success[hidden] { display: none; }

.success-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.form-success h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}
.form-success p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: #060d1a;
  padding: 64px 0 32px;
  color: rgba(255,255,255,0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 32px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  margin-bottom: 20px;
  max-width: 300px;
}

.footer-logo { margin-bottom: 4px; }

.footer-contact-quick {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact-quick a {
  font-size: 0.85rem;
  color: var(--teal-light);
  transition: color var(--transition);
}
.footer-contact-quick a:hover { color: white; }

.footer-links-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: white;
  margin-bottom: 18px;
}

.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-links-col a:hover { color: white; }

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}
.footer-contact-list svg { flex-shrink: 0; margin-top: 2px; opacity: 0.6; }
.footer-contact-list a { color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-contact-list a:hover { color: white; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-tagline {
  color: var(--teal-light);
  font-weight: 500;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: -1; }
  .about-card-stack { max-width: 400px; margin: 0 auto; }
  .materials-grid { grid-template-columns: 1fr; }
  .materials-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 64px 0; }
  .nav { display: none; }
  .hamburger { display: flex; }
  .hero { padding: calc(var(--header-h) + 40px) 0 60px; }
  .hero-headline { font-size: clamp(1.75rem, 6vw, 2.5rem); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .about-card-stack { grid-template-columns: 1fr; }
  .about-stat-card:first-child { grid-column: 1; }
  .form-row { grid-template-columns: 1fr; }
  .schools-cta-box { padding: 40px 28px; }
  .materials-showcase { width: 280px; height: 280px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .contact-form-wrapper { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .trust-points { gap: 8px; }
  .trust-item { font-size: 0.8rem; padding: 7px 12px; }
  .programs-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }
.fade-up:nth-child(6) { transition-delay: 0.5s; }
.fade-up:nth-child(7) { transition-delay: 0.6s; }
.fade-up:nth-child(8) { transition-delay: 0.7s; }