/* ============ TIHS COMMON CSS ============ */
/* Styles partagés : topbar, navbar, footer, boutons, sections */

/* TOPBAR */
.topbar { display: flex; font-size: 13px; font-weight: 600; }
.topbar .etu { flex: 1; background: var(--navy); color: #fff; padding: 8px 20px; text-align: center; }
.topbar .ent { flex: 1; background: #F4F4F6; color: #555; padding: 8px 20px; text-align: center; border-bottom: 1px solid #CCC; cursor: pointer; text-decoration: none; }
.topbar .ent:hover { background: var(--burgundy); color: #fff; }

/* NAVBAR */
nav.main {
  background: var(--navy-dark);
  padding: 16px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,.15);
}
nav.main .logo { height: 44px; width: auto; }
nav.main ul.menu-principal { display: flex; gap: 28px; list-style: none; align-items: center; margin: 0; padding: 0; }
nav.main ul a { color: #fff; font-size: 13px; font-weight: 600; letter-spacing: 0.5px; padding: 6px 0; border-bottom: 2px solid transparent; text-decoration: none; }
nav.main ul a:hover, nav.main ul a.active { border-color: var(--gold); }
nav.main ul a.academy { opacity: 0.75; font-weight: 500; }
nav.main .cta-top { background: var(--gold); color: #fff; padding: 10px 22px; border-radius: 28px; font-size: 13px; font-weight: 700; text-decoration: none; transition: transform 0.2s; }
nav.main .cta-top:hover { transform: scale(1.05); }

/* BREADCRUMB */
.breadcrumb { background: var(--blue-powder); padding: 14px 48px; font-size: 13px; color: var(--grey); }
.breadcrumb a { color: var(--grey); text-decoration: none; }
.breadcrumb a:hover { color: var(--navy); }

/* HEROS ET SECTIONS */
.section { padding: 90px 48px; }
.section.beige { background: var(--beige); }
.section.grey { background: var(--light); }
.section.dark { background: var(--navy-dark); color: #fff; }

.section-title { text-align: center; margin-bottom: 55px; }
.section-title .kicker { color: var(--burgundy); font-size: 12px; letter-spacing: 3px; font-weight: 700; margin-bottom: 12px; }
.section-title h2 { font-size: 44px; color: var(--navy); font-weight: 900; line-height: 1.1; max-width: 900px; margin: 0 auto 12px; }
.section-title p { font-size: 17px; color: var(--grey); max-width: 720px; margin: 0 auto; }

/* BOUTONS */
.btn-gold { background: var(--gold); color: #fff; padding: 18px 40px; border-radius: 40px; font-weight: 800; letter-spacing: 1px; font-size: 15px; display: inline-block; transition: transform 0.2s; text-decoration: none; }
.btn-gold:hover { transform: scale(1.05); }
.btn-navy { background: var(--navy); color: #fff; padding: 16px 32px; border-radius: 30px; font-weight: 700; font-size: 14px; text-decoration: none; }
.btn-outline { padding: 16px 36px; border: 2px solid var(--navy); color: var(--navy); border-radius: 40px; font-weight: 700; font-size: 15px; text-decoration: none; }

/* CARDS FORMATION */
.formation-card {
  background: #fff;
  border: 2px solid var(--navy);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.formation-card:hover { transform: translateY(-6px); border-color: var(--gold); box-shadow: 0 20px 40px rgba(22,58,109,.2); }
.formation-card .bandeau { background: var(--navy); color: #fff; padding: 6px 14px; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-align: center; }
.formation-card .photo { background: linear-gradient(135deg, var(--beige) 0%, var(--blue-powder) 100%); padding: 40px; text-align: center; font-size: 36px; color: var(--navy); font-weight: 900; }
.formation-card .body { padding: 22px 24px; }
.formation-card .metier { color: var(--navy); font-size: 17px; font-weight: 800; margin-bottom: 8px; line-height: 1.3; }
.formation-card .legal { color: var(--grey); font-size: 12px; margin-bottom: 4px; }
.formation-card .arrow { color: var(--burgundy); font-weight: 700; font-size: 13px; margin-top: 12px; letter-spacing: 1px; }

/* FOOTER */
footer { background: var(--navy-dark); color: #fff; padding: 60px 48px 30px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; max-width: 1200px; margin: 0 auto 40px; }
.footer-grid h6 { font-size: 13px; letter-spacing: 2px; margin-bottom: 16px; color: var(--gold); font-weight: 800; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid ul li { padding: 6px 0; font-size: 13px; opacity: 0.85; }
.footer-grid ul a { color: #fff; text-decoration: none; }
.footer-grid ul a:hover { opacity: 1; color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 20px; display: flex; justify-content: space-between; font-size: 12px; opacity: 0.75; max-width: 1200px; margin: 0 auto; flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: #fff; text-decoration: none; }
.footer-bottom a:hover { color: var(--gold); }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav.main ul.menu-principal { display: none; }
  nav.main { padding: 16px 24px; }
  .section { padding: 60px 24px; }
  .section-title h2 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  footer { padding: 40px 24px 20px; }
}