/* ===================================
   JAVAT GENIUS - STYLES GLOBAUX
   Couleurs officielles: Bleu #1B44BF | Orange #E86A00
   =================================== */

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

/* ---- VARIABLES ---- */
:root {
  --blue:        #1B44BF;
  --blue-dark:   #0D2580;
  --blue-deep:   #071650;
  --blue-light:  #EEF2FF;
  --blue-mid:    #3A5FD9;
  --orange:      #E86A00;
  --orange-dark: #BF5200;
  --orange-light:#FFF3E8;
  --white:       #FFFFFF;
  --gray-50:     #F8FAFF;
  --gray-100:    #F1F5FF;
  --gray-200:    #E2E8FF;
  --gray-400:    #94A3C8;
  --gray-600:    #4A5580;
  --gray-800:    #1E2A50;
  --text:        #1E2A50;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 20px rgba(27,68,191,.12);
  --shadow-lg:   0 12px 48px rgba(27,68,191,.18);
  --transition:  all .3s cubic-bezier(.4,0,.2,1);
  --font-head:   'Outfit', sans-serif;
  --font-body:   'Outfit', sans-serif;
  --font:        'Outfit', sans-serif;
  /* Aliases */
  --blue-primary: #1B44BF;
  --bg-light:     #F8FAFF;
  --border:       #E2E8FF;
  --text-dark:    #1E2A50;
  --text-muted:   #4A5580;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

/* ---- TYPOGRAPHY ---- */
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--gray-600); line-height: 1.75; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-light);
  color: var(--blue);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  margin-bottom: 12px;
  color: var(--gray-800);
}

.section-sub {
  font-size: 1.1rem;
  max-width: 560px;
  color: var(--gray-600);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(232,106,0,.35);
}
.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,106,0,.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--blue);
  border: 2px solid var(--blue-light);
}
.btn-secondary:hover {
  border-color: var(--blue);
  background: var(--blue-light);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
}

.btn-blue {
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn-blue:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-orange {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(232,106,0,.35);
}
.btn-orange:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,106,0,.45);
}

.btn-outline {
  background: transparent;
  color: var(--blue-primary);
  border: 2px solid var(--blue-primary);
}
.btn-outline:hover {
  background: var(--blue-light);
}

.btn-sm { padding: 10px 20px; font-size: .85rem; }
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(27,68,191,.12);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--blue-dark);
  flex-shrink: 0;
}
.nav-logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
}

.nav-logo span { color: var(--orange); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--blue);
  background: var(--blue-light);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--blue-light); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-dark) 40%, var(--blue) 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 0 60px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(232,106,0,.15) 0%, transparent 60%),
              radial-gradient(ellipse at 10% 80%, rgba(255,255,255,.05) 0%, transparent 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--white);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.3); }
}

.hero h1 {
  color: var(--white);
  margin-bottom: 20px;
}
.hero h1 .highlight {
  color: var(--orange);
  position: relative;
}

.hero-desc {
  color: rgba(255,255,255,.8);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero-stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
}
.hero-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.4);
  aspect-ratio: 4/5;
  max-height: 520px;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-card-1 { bottom: -20px; left: -30px; }
.hero-card-2 { top: 30px; right: -30px; }

.hero-card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.hero-card-icon.orange { background: var(--orange-light); }

.hero-card-label {
  font-size: .75rem;
  color: var(--gray-400);
}
.hero-card-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1;
}

/* ---- TRUST BAR ---- */
.trust-bar {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 24px 0;
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-600);
  font-size: .88rem;
  font-weight: 500;
}
.trust-icon {
  font-size: 1.2rem;
}

/* ---- SECTIONS ---- */
section { padding: 96px 0; }
.section-header { margin-bottom: 56px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-sub { margin: 0 auto; }

/* ---- SERVICES ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--blue-mid));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-light);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 60px; height: 60px;
  background: var(--blue-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
}
.service-icon.orange-bg { background: var(--orange-light); }
.service-icon.green-bg  { background: #E6F7F0; }

.service-card h3 { margin-bottom: 12px; color: var(--gray-800); }
.service-card p  { font-size: .92rem; margin-bottom: 24px; }

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-tag {
  background: var(--blue-light);
  color: var(--blue);
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}

/* ---- STATS ---- */
.stats-section {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {}
.stat-number {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-number span { color: var(--orange); }
.stat-label {
  font-size: .9rem;
  color: rgba(255,255,255,.7);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  background: rgba(255,255,255,.15);
  margin: auto;
}

/* ---- HOW IT WORKS ---- */
.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.how-grid::before {
  content: '';
  position: absolute;
  top: 40px; left: 10%; right: 10%;
  height: 2px;
  background: var(--gray-200);
  z-index: 0;
}

.how-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.how-num {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue);
  transition: var(--transition);
  position: relative;
}
.how-num.active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  box-shadow: 0 0 0 8px var(--blue-light);
}
.how-step h4 { margin-bottom: 10px; color: var(--gray-800); }
.how-step p  { font-size: .88rem; }

/* ---- MATIERES ---- */
.matieres-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.matiere-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.matiere-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.matiere-card:hover img { transform: scale(1.07); }
.matiere-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,22,80,.9) 0%, rgba(7,22,80,.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}
.matiere-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}
.matiere-card h3 { color: var(--white); font-size: 1.2rem; margin-bottom: 4px; }
.matiere-card p  { color: rgba(255,255,255,.75); font-size: .82rem; }
.matiere-tag {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--orange);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: .05em;
}

/* ---- TUTEURS ---- */
.tuteurs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tutor-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  text-align: center;
}
.tutor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.tutor-img {
  aspect-ratio: 1;
  overflow: hidden;
}
.tutor-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.tutor-card:hover .tutor-img img { transform: scale(1.05); }
.tutor-info {
  padding: 20px;
}
.tutor-info h4 { margin-bottom: 4px; color: var(--gray-800); }
.tutor-info .subject {
  color: var(--blue);
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.tutor-stars {
  color: #F59E0B;
  font-size: .85rem;
  margin-bottom: 12px;
}
.tutor-badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
}

/* ---- CTA SECTION ---- */
.cta-section {
  background: linear-gradient(135deg, var(--orange-dark) 0%, var(--orange) 100%);
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 { color: var(--white); }
.cta-section p  { color: rgba(255,255,255,.85); margin: 16px auto 36px; max-width: 520px; }

/* ---- TESTIMONIALS ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--blue-light);
}
.testimonial-stars {
  color: #F59E0B;
  font-size: 1rem;
  margin-bottom: 16px;
}
.testimonial-text {
  font-size: .95rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-text::before { content: '"'; color: var(--orange); font-size: 2rem; line-height: 0; vertical-align: -12px; margin-right: 4px; }
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
}
.testimonial-name { font-weight: 600; color: var(--gray-800); font-size: .9rem; }
.testimonial-role { font-size: .78rem; color: var(--gray-400); }

/* ---- FOOTER ---- */
footer {
  background: var(--blue-deep);
  color: rgba(255,255,255,.8);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}
.footer-brand .brand-name span { color: var(--orange); }
.footer-brand .tagline {
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}
.footer-brand p { font-size: .88rem; margin-bottom: 24px; }
.footer-socials {
  display: flex;
  gap: 10px;
}
.social-btn {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: var(--transition);
  cursor: pointer;
}
.social-btn:hover { background: var(--orange); }

.footer-col h5 {
  color: var(--white);
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 20px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: .88rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--orange); padding-left: 4px; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: .88rem;
}
.footer-contact-item .icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}
.footer-bottom a { color: var(--orange); }

/* ---- INSCRIPTION PAGE ---- */
.page-hero {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue) 100%);
  padding: 140px 0 80px;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p  { color: rgba(255,255,255,.75); max-width: 520px; margin: 0 auto; font-size: 1.05rem; }

.form-section { padding: 80px 0; background: var(--gray-50); }

.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  max-width: 720px;
  margin: 0 auto;
}

.form-tabs {
  display: flex;
  background: var(--gray-100);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 40px;
  gap: 4px;
}
.form-tab {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  text-align: center;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--gray-600);
  border: none;
  background: none;
  font-family: var(--font-head);
}
.form-tab.active {
  background: var(--white);
  color: var(--blue);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .92rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(27,68,191,.1);
}
.form-textarea { resize: vertical; min-height: 100px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---- MOBILE ---- */
@media (max-width: 1024px) {
  .stats-grid      { grid-template-columns: repeat(2, 1fr); }
  .tuteurs-grid    { grid-template-columns: repeat(2, 1fr); }
  .footer-grid     { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }

  .nav-links, .nav-cta .btn:not(.btn-primary) { display: none; }
  .nav-toggle { display: flex; }

  .nav-mobile {
    position: fixed;
    inset: 72px 0 0;
    background: var(--white);
    z-index: 999;
    padding: 24px;
    transform: translateX(100%);
    transition: var(--transition);
    overflow-y: auto;
  }
  .nav-mobile.open { transform: translateX(0); }
  .nav-mobile a {
    display: block;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
  }
  .nav-mobile a:hover { background: var(--blue-light); color: var(--blue); }
  .nav-mobile .nav-cta-mobile { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-stats { gap: 20px; }

  .services-grid    { grid-template-columns: 1fr; }
  .how-grid         { grid-template-columns: repeat(2, 1fr); }
  .how-grid::before { display: none; }
  .matieres-grid    { grid-template-columns: 1fr 1fr; }
  .tuteurs-grid     { grid-template-columns: 1fr 1fr; }
  .testimonials-grid{ grid-template-columns: 1fr; }
  .footer-grid      { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom    { flex-direction: column; gap: 10px; text-align: center; }
  .trust-inner      { gap: 24px; }
  .form-row         { grid-template-columns: 1fr; }
  .form-card        { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .matieres-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-stats   { flex-direction: column; gap: 16px; }
}

/* ---- ANIMATIONS ---- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger > * { transition-delay: calc(var(--i, 0) * 100ms); }