/* ==========================================================================
   Easy Prépas Concours — Feuille de style principale
   ========================================================================== */

:root {
  --bleu-nuit: #0d2149;
  --bleu: #1b3a7a;
  --bleu-clair: #2f6fed;
  --or: #f4b740;
  --or-fonce: #d99a17;
  --vert: #16a37b;
  --gris-fond: #f5f7fb;
  --gris-bord: #e3e8f0;
  --gris-texte: #5a6478;
  --texte: #1a2233;
  --blanc: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --ombre: 0 10px 30px rgba(13, 33, 73, 0.08);
  --ombre-forte: 0 18px 45px rgba(13, 33, 73, 0.16);
  --transition: 0.25s ease;
  --max: 1180px;
  --font: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--texte);
  line-height: 1.65;
  background: var(--blanc);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { line-height: 1.2; color: var(--bleu-nuit); font-weight: 700; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}

.text-center { text-align: center; }

/* ----------------------------- Boutons ----------------------------------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.97rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--or); color: var(--bleu-nuit); box-shadow: 0 8px 20px rgba(244, 183, 64, 0.35); }
.btn-primary:hover { background: var(--or-fonce); }

.btn-outline { background: transparent; color: var(--blanc); border-color: rgba(255, 255, 255, 0.7); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); }

.btn-bleu { background: var(--bleu-clair); color: #fff; box-shadow: 0 8px 20px rgba(47, 111, 237, 0.3); }
.btn-bleu:hover { background: var(--bleu); }

.btn-wa { background: #25d366; color: #fff; box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3); }
.btn-wa:hover { background: #1da851; }

/* ------------------------------ En-tête ----------------------------------- */
.topbar {
  background: var(--bleu-nuit);
  color: #cdd7 ;
  color: #c9d4ec;
  font-size: 0.85rem;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
}
.topbar a { color: #c9d4ec; transition: color var(--transition); }
.topbar a:hover { color: var(--or); }
.topbar .topbar-left span, .topbar .topbar-right a { margin-right: 18px; display: inline-flex; align-items: center; gap: 6px; }
.topbar .topbar-right a:last-child { margin-right: 0; }

.site-header {
  background: var(--blanc);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 14px rgba(13, 33, 73, 0.06);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--bleu-clair), var(--bleu-nuit));
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--or);
  font-weight: 800;
  font-size: 1.35rem;
  box-shadow: var(--ombre);
}
.logo-text strong { display: block; font-size: 1.18rem; color: var(--bleu-nuit); letter-spacing: -0.3px; }
.logo-text small { color: var(--gris-texte); font-size: 0.72rem; letter-spacing: 1.5px; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 500;
  color: var(--texte);
  transition: color var(--transition), background var(--transition);
}
.nav a:hover { color: var(--bleu-clair); background: var(--gris-fond); }
.nav a.active { color: var(--bleu-clair); }
.nav .btn { margin-left: 8px; padding: 10px 22px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span { width: 26px; height: 3px; background: var(--bleu-nuit); border-radius: 3px; transition: var(--transition); }

/* ------------------------------- Hero ------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--bleu-nuit) 0%, var(--bleu) 55%, #234a93 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(244,183,64,0.25), transparent 70%);
  border-radius: 50%;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 90px;
  position: relative;
  z-index: 2;
}
.hero h1 { color: #fff; font-size: 2.9rem; letter-spacing: -1px; margin-bottom: 18px; }
.hero h1 .hl { color: var(--or); }
.hero p.lead { font-size: 1.15rem; color: #d7e0f4; margin-bottom: 30px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 7px 16px; border-radius: 50px;
  font-size: 0.85rem; margin-bottom: 22px;
}
.hero-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  padding: 30px;
}
.hero-card h3 { color: var(--or); font-size: 1.05rem; margin-bottom: 16px; }
.hero-card ul { list-style: none; }
.hero-card li { padding: 9px 0; border-bottom: 1px dashed rgba(255,255,255,0.15); color: #e3eaf8; display: flex; gap: 10px; align-items: center; }
.hero-card li:last-child { border-bottom: none; }
.hero-card li::before { content: "✓"; color: var(--or); font-weight: 800; }

/* ------------------------------ Sections ---------------------------------- */
section { padding: 78px 0; }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  color: var(--bleu-clair);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  margin-bottom: 12px;
}
.section-head h2 { font-size: 2.1rem; letter-spacing: -0.6px; margin-bottom: 14px; }
.section-head p { color: var(--gris-texte); font-size: 1.05rem; }

.bg-gris { background: var(--gris-fond); }

/* ------------------------------ Statistiques ------------------------------ */
.stats { background: var(--bleu-nuit); color: #fff; }
.stats .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-num { font-size: 2.6rem; font-weight: 800; color: var(--or); line-height: 1; }
.stat-label { color: #c9d4ec; margin-top: 8px; font-size: 0.95rem; }

/* ------------------------------ Cartes ------------------------------------ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.card {
  background: var(--blanc);
  border: 1px solid var(--gris-bord);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--ombre-forte); border-color: transparent; }
.card .icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #e9f0ff, #d4e2ff);
  color: var(--bleu-clair);
  display: grid; place-items: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { color: var(--gris-texte); font-size: 0.96rem; }

/* ------------------------- Cartes concours -------------------------------- */
.concours-card {
  background: #fff;
  border: 1px solid var(--gris-bord);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.concours-card:hover { transform: translateY(-6px); box-shadow: var(--ombre-forte); }
.concours-card .head {
  background: linear-gradient(135deg, var(--bleu), var(--bleu-nuit));
  color: #fff;
  padding: 22px 24px;
}
.concours-card .head .tag {
  background: rgba(244,183,64,0.2); color: var(--or);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 1px;
  padding: 4px 12px; border-radius: 50px; text-transform: uppercase;
}
.concours-card .head h3 { color: #fff; margin-top: 12px; font-size: 1.25rem; }
.concours-card .body { padding: 22px 24px; }
.concours-card .body ul { list-style: none; }
.concours-card .body li { padding: 7px 0; color: var(--gris-texte); display: flex; gap: 9px; }
.concours-card .body li::before { content: "▸"; color: var(--bleu-clair); font-weight: 800; }

/* ------------------------------- Étapes ----------------------------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 14px; }
.step .num {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--or);
  color: var(--bleu-nuit);
  font-weight: 800; font-size: 1.3rem;
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { color: var(--gris-texte); font-size: 0.94rem; }

/* ------------------------------ Témoignages ------------------------------- */
.quote-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--ombre);
  border-top: 4px solid var(--or);
}
.quote-card p { font-style: italic; color: var(--texte); margin-bottom: 18px; }
.quote-card .who { display: flex; align-items: center; gap: 13px; }
.quote-card .avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bleu-clair), var(--bleu-nuit));
  color: #fff; display: grid; place-items: center; font-weight: 700;
}
.quote-card .who strong { display: block; color: var(--bleu-nuit); }
.quote-card .who span { font-size: 0.85rem; color: var(--gris-texte); }

/* --------------------------------- CTA ------------------------------------ */
.cta {
  background: linear-gradient(135deg, var(--bleu-clair), var(--bleu-nuit));
  color: #fff;
  border-radius: var(--radius);
  padding: 56px 40px;
  text-align: center;
}
.cta h2 { color: #fff; font-size: 2rem; margin-bottom: 14px; }
.cta p { color: #dce6fb; max-width: 560px; margin: 0 auto 28px; }
.cta .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --------------------------- Page : bannière ------------------------------ */
.page-banner {
  background: linear-gradient(135deg, var(--bleu-nuit), var(--bleu));
  color: #fff;
  padding: 64px 0;
  text-align: center;
}
.page-banner h1 { color: #fff; font-size: 2.4rem; margin-bottom: 10px; }
.page-banner p { color: #d3def5; max-width: 620px; margin: 0 auto; }
.breadcrumb { font-size: 0.85rem; color: #aebde0; margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--or); }

/* ------------------------------ Contact ----------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.info-box {
  background: #fff; border: 1px solid var(--gris-bord);
  border-radius: var(--radius); padding: 26px;
  display: flex; gap: 16px; align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
}
.info-box:hover { box-shadow: var(--ombre); transform: translateY(-3px); }
.info-box .ic {
  flex: none; width: 50px; height: 50px; border-radius: 12px;
  background: linear-gradient(135deg, #e9f0ff, #d4e2ff); color: var(--bleu-clair);
  display: grid; place-items: center; font-size: 1.3rem;
}
.info-box h3 { font-size: 1.05rem; margin-bottom: 4px; }
.info-box p, .info-box a { color: var(--gris-texte); font-size: 0.96rem; word-break: break-word; }
.info-box a:hover { color: var(--bleu-clair); }
.info-stack { display: flex; flex-direction: column; gap: 18px; }

.proforma-box {
  background: var(--gris-fond);
  border: 1px solid var(--gris-bord);
  border-radius: var(--radius);
  padding: 32px;
}
.proforma-box h3 { font-size: 1.3rem; margin-bottom: 8px; }
.proforma-box p { color: var(--gris-texte); margin-bottom: 22px; }
.proforma-box ol { margin: 0 0 24px 18px; color: var(--gris-texte); }
.proforma-box ol li { margin-bottom: 8px; }
.proforma-box .actions { display: flex; flex-direction: column; gap: 12px; }

/* ------------------------------ FAQ --------------------------------------- */
.faq-item {
  background: #fff; border: 1px solid var(--gris-bord);
  border-radius: var(--radius-sm); padding: 22px 26px; margin-bottom: 14px;
}
.faq-item h3 { font-size: 1.08rem; margin-bottom: 8px; color: var(--bleu); }
.faq-item p { color: var(--gris-texte); }

/* --------------------------- Liste valeurs -------------------------------- */
.value-list { list-style: none; }
.value-list li { display: flex; gap: 14px; margin-bottom: 20px; }
.value-list .vmark {
  flex: none; width: 38px; height: 38px; border-radius: 10px;
  background: var(--or); color: var(--bleu-nuit);
  display: grid; place-items: center; font-weight: 800;
}
.value-list strong { display: block; color: var(--bleu-nuit); }
.value-list span { color: var(--gris-texte); font-size: 0.96rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.split .visual {
  background: linear-gradient(135deg, var(--bleu), var(--bleu-nuit));
  border-radius: var(--radius); min-height: 340px;
  display: grid; place-items: center; color: var(--or);
  font-size: 5rem; box-shadow: var(--ombre-forte);
}
.split h2 { font-size: 2rem; margin-bottom: 16px; }
.split p { color: var(--gris-texte); margin-bottom: 14px; }

/* ------------------------------ Pied de page ------------------------------ */
.site-footer { background: var(--bleu-nuit); color: #aebde0; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 36px; }
.site-footer h4 { color: #fff; margin-bottom: 18px; font-size: 1.05rem; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer a { color: #aebde0; transition: color var(--transition); }
.site-footer a:hover { color: var(--or); }
.site-footer .foot-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.site-footer .foot-logo strong { color: #fff; font-size: 1.15rem; }
.site-footer .foot-about p { color: #9fb0d6; font-size: 0.93rem; }
.foot-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 48px; padding: 22px 0;
  text-align: center; color: #8fa1ca; font-size: 0.88rem;
}

/* --------------------------- Bouton WhatsApp flottant --------------------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: grid; place-items: center; font-size: 1.7rem;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.5);
  transition: transform var(--transition);
}
.wa-float:hover { transform: scale(1.08); }

/* ------------------------------ Responsive -------------------------------- */
@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 60px; }
  .hero h1 { font-size: 2.3rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats .grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .burger { display: flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 12px 18px 20px; gap: 4px;
    box-shadow: 0 14px 24px rgba(13, 33, 73, 0.12);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .nav .btn { margin: 6px 0 0; }
  .grid-3, .grid-2, .grid-4, .contact-grid, .split { grid-template-columns: 1fr; }
  .topbar { display: none; }
  section { padding: 56px 0; }
  .section-head h2 { font-size: 1.7rem; }
  .hero h1 { font-size: 2rem; }
}
@media (max-width: 480px) {
  .stats .grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta { padding: 40px 24px; }
}