/* ============================================
   WORLD LANGUAGE FOUNDATIONS — style.css
   ============================================ */

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

:root {
  --blue-900: #1E3A8A;
  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --gold:     #F59E0B;
  --gold-dark:#D97706;
  --bg:       #F8FAFC;
  --bg-alt:   #EFF6FF;
  --dark:     #0F172A;
  --slate:    #334155;
  --muted:    #64748B;
  --white:    #FFFFFF;
  --border:   #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.14);
  --radius:   12px;
  --radius-lg:20px;
  --nav-h:    76px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--dark);
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5 {
  font-family: 'Poppins', sans-serif;
  line-height: 1.2;
  font-weight: 700;
  color: var(--dark);
}

/* ---------- UTILITIES ---------- */
.container {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: 96px; }
.bg-light { background: var(--bg-alt); }

.section-label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -.02em;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 52px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.15);
  opacity: 0;
  transition: opacity .2s;
}
.btn:hover::after { opacity: 1; }

.btn--primary {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,99,235,.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,99,235,.45);
}

.btn--ghost {
  background: rgba(255,255,255,.15);
  color: var(--white);
  border: 2px solid rgba(255,255,255,.5);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.25);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--blue-600);
  border: 2px solid var(--blue-600);
}
.btn--outline:hover {
  background: var(--blue-600);
  color: var(--white);
}

.btn--nav {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--dark);
  font-size: .88rem;
  padding: 11px 22px;
  box-shadow: 0 2px 12px rgba(245,158,11,.3);
}
.btn--nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,158,11,.45);
}

.btn--lg { padding: 18px 36px; font-size: 1.05rem; }
.btn--sm { padding: 9px 18px; font-size: .85rem; }
.btn--full { width: 100%; }

/* ---------- NAVIGATION ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  height: var(--nav-h);
  /* Fond sombre semi-transparent présent en PERMANENCE, dès le premier
     rendu de la page — jamais transparent, jamais blanc. C'est ce fond
     qui garantit à lui seul un contraste toujours correct pour le texte
     clair, quel que soit ce qu'il y a derrière (image du hero ou
     contenu clair des sections suivantes). Le scroll ne fait
     qu'accentuer légèrement cette teinte et l'ombre portée : le texte,
     lui, ne change jamais de couleur, donc aucune fenêtre de mauvais
     contraste n'est possible, sur aucun navigateur. */
  background: rgba(15, 23, 42, .38);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 2px 20px rgba(0,0,0,0);
  transition: background-color .35s cubic-bezier(.4,0,.2,1),
              box-shadow .35s cubic-bezier(.4,0,.2,1);
}

.nav.scrolled {
  background: rgba(15, 23, 42, .92);
  box-shadow: 0 4px 24px rgba(0,0,0,.18);
}

.nav__inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

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

.nav__logo-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav__logo-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  /* Couleur claire fixe, jamais modifiée par l'état de scroll. */
  color: var(--white);
}

.nav__logo-sub {
  font-size: .72rem;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  letter-spacing: .04em;
}

.nav__links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  align-items: center;
}

.nav__link {
  font-size: .9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  /* Couleur claire fixe, jamais modifiée par l'état de scroll — c'est
     la garantie structurelle qu'il n'y aura plus jamais de lien
     invisible pendant le scroll. */
  color: rgba(255,255,255,.9);
  transition: background .2s, color .2s;
}

.nav__link:hover {
  background: rgba(255,255,255,.14);
  color: var(--white);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  /* Couleur claire fixe, jamais modifiée par l'état de scroll. */
  background: var(--white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

.nav__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav__mobile {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 1000;
  display: none;
  background: #ffffff;
  padding: 20px 24px 32px;
  border-top: 1px solid var(--border);
  box-shadow: 0 15px 30px rgba(0,0,0,.12);
}

.nav__mobile.open {
  display: block;
}

.nav__mobile ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav__mobile .nav__link {
  display: block;
  padding: 14px 16px;
  color: var(--dark);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
}

.nav__mobile .nav__link:hover {
  background: var(--bg-alt);
  color: var(--blue-600);
}

.nav__mobile .btn--full { margin-top: 12px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15,23,42,.82) 0%,
    rgba(30,58,138,.65) 50%,
    rgba(30,58,138,.45) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding-block: 80px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: .04em;
  margin-bottom: 28px;
}

.hero__headline {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -.03em;
  margin-bottom: 24px;
}

.hero__accent {
  font-style: normal;
  color: var(--gold);
}

.hero__sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: rgba(255,255,255,.85);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__trust {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.hero__trust-item {
  font-size: .9rem;
  color: rgba(255,255,255,.8);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero__trust-icon {
  width: 22px;
  height: 22px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  color: var(--dark);
  font-weight: 700;
  flex-shrink: 0;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.35);
  transition: border-color .2s;
  animation: bounce 2s infinite;
}

.hero__scroll:hover { border-color: rgba(255,255,255,.7); }

.hero__scroll-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--white);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- STRIP ---------- */
.strip {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  padding: 20px 0;
}

.strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.strip__item {
  color: rgba(255,255,255,.9);
  font-size: .92rem;
  text-align: center;
}

.strip__item strong {
  color: var(--gold);
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  display: block;
}

.strip__divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.2);
  flex-shrink: 0;
}

/* ---------- CHALLENGE ---------- */
.challenge__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.challenge__card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}

.challenge__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.challenge__icon {
  font-size: 2rem;
  margin-bottom: 28px;
}

.challenge__card h3 {
  font-size: 1.05rem;
  margin-bottom: 28px;
  color: var(--dark);
}

.challenge__card p {
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- SOLUTION ---------- */
.solution {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding-block: 96px;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 24px;
}

.solution__visual {
  position: relative;
}

.solution__img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.solution__img-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.solution__img-badge strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--dark);
  line-height: 1;
}

.solution__img-badge span {
  font-size: .82rem;
  font-weight: 600;
  color: var(--dark);
  opacity: .8;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.solution__lead {
  font-size: 1.1rem;
  color: var(--slate);
  margin-bottom: 32px;
  line-height: 1.7;
}

.solution__list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }

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

.solution__check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.solution__item strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: .98rem;
  margin-bottom: 10px;
}

.solution__item p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ---------- WHY ---------- */
.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.why__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}

.why__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.why__card-top {
  height: 6px;
  background: linear-gradient(90deg, var(--blue-900), var(--blue-500));
}

.why__icon {
  font-size: 2.2rem;
  margin: 36px 0 36px 28px;
}

.why__card h3 {
  font-size: 1rem;
  margin: 0 0 36px 0;
  padding-inline: 28px;
}

.why__card p {
  font-size: .9rem;
  color: var(--muted);
  padding: 16px 28px 28px;
  line-height: 1.6;
}

/* ---------- IMPACT ---------- */
.impact {
  position: relative;
  padding-block: 120px;
  overflow: hidden;
}

.impact__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.impact__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.impact__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,58,138,.9), rgba(15,23,42,.85));
}

.impact__content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.impact__content .section-title { margin-bottom: 60px; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
}

.stat {
  text-align: center;
  padding: 36px 24px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  transition: background .3s;
}

.stat:hover { background: rgba(255,255,255,.14); }

.stat__number {
  font-family: 'Poppins', sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 10px;
}

.stat__label {
  font-size: .88rem;
  color: rgba(255,255,255,.75);
  font-weight: 500;
  line-height: 1.4;
}

/* ---------- CURRICULUM ---------- */
.curriculum__weeks {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.curriculum__week {
  display: grid;
  grid-template-columns: 160px 220px 1fr;
  align-items: center;
  gap: 0 16px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}

.curriculum__week:last-child { border-bottom: none; }
.curriculum__week:hover { background: var(--bg-alt); }

.curriculum__week-num {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  line-height: 1.3;
  align-self: stretch;
}

.curriculum__week-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
}

.curriculum__week-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
}

.curriculum__week-content {
  padding: 28px 32px;
}

.curriculum__week-content h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
}

.curriculum__week-content p {
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

.curriculum__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.curriculum__tags span {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px 14px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--blue-600);
}

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

/* ---------- GALLERY ---------- */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 280px 280px;
  gap: 12px;
  margin-top: 48px;
  padding-inline: 24px;
  max-width: 1200px;
  margin-inline: auto;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.gallery__item:hover img { transform: scale(1.06); }

.gallery__item--tall { grid-row: span 2; }
.gallery__item--wide { grid-column: span 2; }

.gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 20px 16px;
  background: linear-gradient(to top, rgba(15,23,42,.75), transparent);
  color: var(--white);
  font-size: .88rem;
  font-weight: 600;
  transform: translateY(100%);
  transition: transform .3s;
}

.gallery__item:hover .gallery__caption { transform: translateY(0); }

/* ---------- FOUNDER ---------- */
.founder { background: var(--white); }

.founder__layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 80px;
  align-items: start;
  margin-top: 60px;
}

.founder__portrait-wrap {
  position: relative;
  padding-bottom: 40px;
}

.founder__portrait-bg {
  position: absolute;
  top: 24px;
  left: 24px;
  right: -24px;
  bottom: 16px;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  border-radius: var(--radius-lg);
  z-index: 0;
}

.founder__portrait {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.founder__portrait img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center top;
}

.founder__portrait-badge {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

.founder__portrait-badge span { font-size: 1.5rem; }

.founder__portrait-badge strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: .95rem;
  color: var(--dark);
}

.founder__portrait-badge div > span {
  font-size: .78rem;
  color: var(--muted);
  font-size: .78rem;
}

.founder__intro {
  font-size: 1.1rem;
  color: var(--slate);
  line-height: 1.7;
  margin-bottom: 32px;
}

.founder__quote {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 32px;
  position: relative;
}

.founder__quote::before {
  content: '\201C';
  position: absolute;
  top: 12px;
  left: 28px;
  font-family: 'Poppins', sans-serif;
  font-size: 5rem;
  color: rgba(255,255,255,.2);
  line-height: 1;
}

.founder__quote blockquote {
  font-family: 'Poppins', sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.founder__quote cite {
  font-size: .88rem;
  color: var(--gold);
  font-weight: 600;
  font-style: normal;
}

.founder__story-text p {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

.founder__story-text em { color: var(--blue-600); font-style: normal; font-weight: 600; }

.founder__timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0 36px;
}

.founder__timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: .92rem;
  color: var(--slate);
  line-height: 1.5;
}

.founder__timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  margin-top: 5px;
}

.founder__timeline-item strong { color: var(--dark); }

/* ---------- AUDIENCE ---------- */
.audience__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 16px;
}

.audience__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform .3s, box-shadow .3s;
}

.audience__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.audience__img-wrap {
  height: 220px;
  overflow: hidden;
}

.audience__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}

.audience__card:hover .audience__img-wrap img { transform: scale(1.05); }

.audience__body { padding: 28px; }

.audience__body h3 {
  font-size: 1.15rem;
  margin-bottom: 16px;
}

.audience__body ul {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.audience__body li {
  font-size: .9rem;
  color: var(--muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.audience__body li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--blue-600);
  font-weight: 700;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials { background: var(--bg); }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.testimonial {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
  position: relative;
}

.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 4rem;
  font-family: 'Poppins', sans-serif;
  color: var(--bg-alt);
  line-height: 1;
  pointer-events: none;
}

.testimonial__stars {
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial p {
  font-size: .93rem;
  color: var(--slate);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: .88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial__author strong {
  display: block;
  font-size: .9rem;
  color: var(--dark);
}

.testimonial__author span {
  font-size: .8rem;
  color: var(--muted);
}

.testimonial__note {
  font-size: .72rem;
  color: var(--muted);
  margin-top: 14px;
  font-style: italic;
  opacity: .7;
}

/* ---------- FAQ ---------- */
.faq__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s;
}

.faq__item.open { box-shadow: var(--shadow-md); }

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  text-align: left;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .98rem;
  color: var(--dark);
  transition: color .2s;
}

.faq__item.open .faq__question { color: var(--blue-600); }

.faq__icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--blue-600);
  flex-shrink: 0;
  transition: transform .3s;
  line-height: 1;
}

.faq__item.open .faq__icon { transform: rotate(45deg); }

.faq__answer {
  padding: 0 24px 22px;
}

.faq__answer[hidden] { display: none; }

.faq__answer p {
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- FINAL CTA ---------- */
.cta-final {
  position: relative;
  padding-block: 120px;
  overflow: hidden;
}

.cta-final__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-final__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-final__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,.88), rgba(30,58,138,.82));
}

.cta-final__content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-final__content .section-sub { margin-inline: auto; margin-bottom: 48px; }

.contact-form__wrap {
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 40px;
}

.contact-form {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: left;
  box-shadow: var(--shadow-lg);
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.contact-form__group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--dark);
  font-family: 'Poppins', sans-serif;
}

.contact-form__group label span { color: var(--blue-600); }

.contact-form__group input,
.contact-form__group select,
.contact-form__group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .92rem;
  color: var(--dark);
  background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
  appearance: none;
  -webkit-appearance: none;
}

.contact-form__group input:focus,
.contact-form__group select:focus,
.contact-form__group textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
  background: var(--white);
}

.contact-form__group textarea { resize: vertical; min-height: 100px; }

.contact-form__group input.error,
.contact-form__group select.error { border-color: #EF4444; }

.contact-form__note {
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
  margin-top: 14px;
}

.contact-form__success {
  background: rgba(255,255,255,.97);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10B981, #059669);
  color: var(--white);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.contact-form__success h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.contact-form__success p {
  color: var(--muted);
  font-size: .95rem;
}

.contact__direct {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.contact__direct-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.85);
  font-size: .95rem;
}

.contact__direct-item a {
  color: var(--gold);
  font-weight: 600;
  transition: color .2s;
}

.contact__direct-item a:hover { color: var(--white); }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding-top: 72px;
  padding-bottom: 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer__logo span { font-size: 1.8rem; }

.footer__logo strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  color: var(--white);
  font-size: .95rem;
}

.footer__logo div > span {
  font-size: .78rem;
  color: var(--gold);
}

.footer__brand p {
  font-size: .88rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer__links h4 {
  font-family: 'Poppins', sans-serif;
  font-size: .85rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 20px;
}

.footer__links ul { display: flex; flex-direction: column; gap: 10px; }

.footer__links a {
  font-size: .9rem;
  transition: color .2s;
}

.footer__links a:hover { color: var(--gold); }

.footer__contact h4 {
  font-family: 'Poppins', sans-serif;
  font-size: .85rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 20px;
}

.footer__contact p { font-size: .9rem; }

.footer__contact a { color: var(--gold); transition: color .2s; }
.footer__contact a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 24px;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}

/* ---------- SCROLL REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal--delay-1 { transition-delay: .1s; }
.reveal--delay-2 { transition-delay: .2s; }
.reveal--delay-3 { transition-delay: .3s; }
.reveal--delay-4 { transition-delay: .4s; }
.reveal--delay-5 { transition-delay: .5s; }
.reveal--delay-6 { transition-delay: .6s; }
.reveal--delay-7 { transition-delay: .7s; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .solution {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .solution__img { height: 400px; }
  .solution__img-badge { right: 20px; bottom: -16px; }

  .founder__layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .founder__portrait img { height: 400px; }
  .founder__portrait-bg { display: none; }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .gallery__item--tall { grid-row: auto; }
  .gallery__item--wide { grid-column: auto; }
  .gallery__grid .gallery__item { height: 220px; }

  .curriculum__week { grid-template-columns: 140px 190px 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 68px; }

  .section { padding-block: 72px; }

  .nav__links, .btn--nav:not(.btn--full) { display: none; }
  .nav__burger { display: flex; }

  .hero__ctas { flex-direction: column; align-items: flex-start; }
  .hero__ctas .btn { width: 100%; justify-content: center; }

  .strip__divider { display: none; }
  .strip__inner { gap: 16px; justify-content: space-around; }

  .solution { padding-inline: 24px; }

  .contact-form__row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }

  /* Empêche le zoom automatique d'iOS Safari au focus d'un champ
     (déclenché par tout champ dont le font-size est < 16px) */
  .contact-form__group input,
  .contact-form__group select,
  .contact-form__group textarea {
    font-size: 16px;
  }

  .gallery__grid { grid-template-columns: 1fr 1fr; padding-inline: 16px; }
  .gallery__grid .gallery__item { height: 180px; }

  .curriculum__week { grid-template-columns: 100px 140px 1fr; }
  .curriculum__week-content { padding: 24px; }
  .curriculum__week-img { height: 130px; }

  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .footer__brand p { max-width: 100%; }
}

@media (max-width: 480px) {
  .gallery__grid { grid-template-columns: 1fr; }
  .gallery__grid .gallery__item { height: 220px; }
  .audience__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .curriculum__week { grid-template-columns: 1fr; }
  .curriculum__week-img { height: 160px; }
  .curriculum__week-num {
    border-radius: 0;
    padding: 14px 20px;
    justify-content: flex-start;
  }
}

/* ---------- SHORT VIEWPORT (mobile landscape) ---------- */
@media (max-height: 500px) and (max-width: 900px) {
  .hero { min-height: auto; padding-block: calc(var(--nav-h) + 24px) 24px; }
  .hero__scroll { display: none; }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}