/* =========================================================
   LYCÉE HOUPHOUËT-BOIGNY — Feuille de style institutionnelle
   Palette dérivée du logo et des visuels officiels de l'établissement.
   ========================================================= */

:root{
  --green-900:#0E2A1D;
  --green-800:#164B35;
  --green-700:#1C6244;
  --green-600:#237A54;
  --green-100:#E7F0EA;

  --gold-600:#A9791A;
  --gold-500:#C9971F;
  --gold-400:#E4B54A;
  --gold-100:#FBF0D9;

  --cream-50:#FCFAF4;
  --cream-100:#F6F1E3;
  --cream-200:#EFE8D2;

  --white:#FFFFFF;
  --ink-900:#1B231E;
  --ink-700:#3B453E;
  --ink-500:#657167;
  --ink-300:#9AA39C;

  --border:#E6E1CE;
  --shadow-sm:0 2px 10px rgba(14,42,29,.06);
  --shadow-md:0 14px 34px rgba(14,42,29,.10);
  --shadow-lg:0 24px 60px rgba(14,42,29,.16);

  --radius-lg:26px;
  --radius-md:16px;
  --radius-sm:10px;

  --font-display:'Playfair Display', Georgia, serif;
  --font-body:'Poppins', Arial, sans-serif;

  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--cream-50);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

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

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

h1,h2,h3,h4{
  font-family:var(--font-display);
  margin:0;
  line-height:1.15;
  color:var(--green-900);
}

p{margin:0;line-height:1.7;color:var(--ink-700);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:0;
  background:var(--green-800);
  color:#fff;
  padding:12px 20px;
  z-index:1000;
  border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;}

/* =========================
   BOUTONS
   ========================= */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:2px solid transparent;
  cursor:pointer;
  transition:.25s ease;
  white-space:nowrap;
}

.btn-gold{
  background:linear-gradient(135deg,var(--gold-500),var(--gold-600));
  color:var(--green-900);
  box-shadow:0 10px 24px rgba(201,151,31,.35);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(201,151,31,.45);}

.btn-outline-light{
  border-color:rgba(255,255,255,.6);
  color:#fff;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
}
.btn-outline-light:hover{background:rgba(255,255,255,.18);border-color:#fff;}

.btn-green{
  background:var(--green-800);
  color:#fff;
}
.btn-green:hover{background:var(--green-700);transform:translateY(-2px);}

.btn-outline-green{
  border-color:var(--green-800);
  color:var(--green-800);
  background:transparent;
}
.btn-outline-green:hover{background:var(--green-800);color:#fff;}

.btn-sm{padding:10px 20px;font-size:13px;}

/* =========================
   NAVBAR
   ========================= */

.navbar{
  position:sticky;
  top:0;
  z-index:500;
  background:rgba(252,250,244,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.navbar.scrolled{box-shadow:var(--shadow-md);}

.navbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:12px 24px;
  max-width:var(--container);
  margin:0 auto;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  min-width:max-content;
}
.brand img{width:46px;height:46px;border-radius:50%;object-fit:cover;box-shadow:var(--shadow-sm);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-family:var(--font-display);font-size:16px;color:var(--green-900);}
.brand-text span{font-size:11px;letter-spacing:.06em;color:var(--gold-600);font-weight:600;text-transform:uppercase;}

.nav-main{
  display:flex;
  align-items:center;
  gap:0;
  flex:1;
  justify-content:center;
  flex-wrap:wrap;
  row-gap:2px;
  min-width:0;
}

.nav-item{position:relative;flex-shrink:0;}

.nav-link{
  display:flex;
  align-items:center;
  gap:4px;
  padding:10px 9px;
  font-size:13px;
  font-weight:500;
  color:var(--ink-700);
  border-radius:8px;
  transition:.2s;
  white-space:nowrap;
}
.nav-link:hover, .nav-item:hover > .nav-link{color:var(--green-800);background:var(--green-100);}
.nav-link .caret{font-size:10px;opacity:.6;transition:transform .2s;}
.nav-item:hover .caret{transform:rotate(180deg);}

/* Indicateur de page active */
.nav-link.active{
  color:var(--green-800);
  background:var(--green-100);
  font-weight:700;
  position:relative;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:2px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--gold-500),var(--gold-400));
}
.dropdown a.active{
  color:var(--green-800);
  background:var(--cream-100);
  font-weight:700;
}
.dropdown a.active::before{
  content:"●";
  color:var(--gold-500);
  font-size:8px;
  margin-right:8px;
}

.dropdown{
  position:absolute;
  top:100%;
  left:0;
  min-width:240px;
  background:#fff;
  border-radius:14px;
  box-shadow:var(--shadow-lg);
  border:1px solid var(--border);
  padding:8px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:.2s ease;
}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(4px);}

.dropdown a{
  display:block;
  padding:10px 14px;
  border-radius:8px;
  font-size:13.5px;
  color:var(--ink-700);
}
.dropdown a:hover{background:var(--cream-100);color:var(--green-800);}

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

.espace-btn{position:relative;}

.burger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
}
.burger span{width:24px;height:2px;background:var(--green-900);border-radius:2px;}

@media (max-width:1180px){
  .nav-main{display:none;}
  .nav-cta .btn-outline-green{display:none;}
  .burger{display:flex;}
}

@media (max-width:480px){
  .navbar-inner{padding:10px 16px;gap:10px;}
  .brand img{width:38px;height:38px;}
  .brand-text strong{font-size:13.5px;}
  .brand-text span{display:none;}
  .nav-cta{gap:6px;}
  .nav-cta .btn-gold{display:none;}
  .burger{padding:6px;}
}

/* Mobile drawer */
.mobile-nav{
  position:fixed;
  inset:0;
  background:rgba(14,42,29,.55);
  z-index:900;
  opacity:0;
  visibility:hidden;
  transition:.25s;
}
.mobile-nav.open{opacity:1;visibility:visible;}
.mobile-nav-panel{
  position:absolute;
  right:0;top:0;bottom:0;
  width:min(340px,86vw);
  background:var(--cream-50);
  padding:20px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:.3s ease;
}
.mobile-nav.open .mobile-nav-panel{transform:translateX(0);}
.mobile-nav-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--green-900);}
.mobile-group summary{
  padding:12px 6px;
  font-weight:600;
  color:var(--green-900);
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid var(--border);
}
.mobile-group summary::-webkit-details-marker{display:none;}
.mobile-group a{
  display:block;
  padding:10px 14px;
  font-size:14px;
  color:var(--ink-700);
}
.mobile-nav-panel > a.nav-link-flat{
  display:block;padding:12px 6px;font-weight:600;color:var(--green-900);border-bottom:1px solid var(--border);
}
.mobile-nav-panel > a.nav-link-flat.active,
.mobile-group a.active{
  color:var(--gold-600);
  font-weight:700;
}
.mobile-group a.active::before{content:"● ";color:var(--gold-500);}
.mobile-group summary.active-group{color:var(--gold-600);}

/* =========================
   HERO
   ========================= */

.hero{
  position:relative;
  min-height:88vh;
  display:flex;
  align-items:center;
  color:#fff;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center 30%;
  transform:scale(1.02);
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(115deg, rgba(10,32,22,.92) 10%, rgba(14,42,29,.72) 45%, rgba(14,42,29,.35) 75%),
    linear-gradient(0deg, rgba(9,26,18,.6), transparent 40%);
}
.hero-content{position:relative;z-index:2;padding:100px 0 70px;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.35);
  padding:8px 18px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-weight:600;
  color:var(--gold-400);
  margin-bottom:24px;
}
.hero h1{
  font-size:clamp(34px,5.2vw,64px);
  color:#fff;
  max-width:820px;
  margin-bottom:20px;
}
.hero h1 em{color:var(--gold-400);font-style:normal;}
.hero-sub{
  font-size:18px;
  max-width:560px;
  color:rgba(255,255,255,.88);
  margin-bottom:36px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}

.hero-badges{
  display:flex;
  gap:28px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.22);
  padding-top:28px;
}
.hero-badge{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.85);}
.hero-badge b{color:#fff;font-size:15px;}

/* =========================
   SECTIONS GÉNÉRIQUES
   ========================= */

.section{padding:96px 0;}
.section-alt{background:var(--cream-100);}
.section-dark{background:var(--green-900);color:#fff;}
.section-dark h2, .section-dark h3{color:#fff;}
.section-dark p{color:rgba(255,255,255,.75);}

.section-head{max-width:680px;margin:0 auto 56px;text-align:center;}
.eyebrow{
  display:inline-block;
  color:var(--gold-600);
  font-weight:700;
  font-size:13px;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-dark .eyebrow{color:var(--gold-400);}
.section-head h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:16px;}
.section-head p{font-size:16.5px;}

/* =========================
   CHIFFRES CLÉS
   ========================= */

.stats-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:var(--green-800);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  margin-top:-90px;
  position:relative;
  z-index:3;
}
.stat-cell{
  padding:34px 20px;
  text-align:center;
  border-right:1px solid rgba(255,255,255,.12);
  color:#fff;
}
.stat-cell:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-display);
  font-size:clamp(28px,3.4vw,42px);
  color:var(--gold-400);
  font-weight:700;
}
.stat-label{font-size:12.5px;color:rgba(255,255,255,.8);margin-top:6px;letter-spacing:.03em;}

@media (max-width:860px){
  .stats-band{grid-template-columns:repeat(2,1fr);margin-top:-50px;}
  .stat-cell{border-bottom:1px solid rgba(255,255,255,.12);}
}

/* =========================
   ACCÈS RAPIDES
   ========================= */

.quick-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}
.quick-grid-3{grid-template-columns:repeat(3,1fr);}
@media (max-width:980px){
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .quick-grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:560px){
  .quick-grid, .quick-grid-3{grid-template-columns:1fr;}
}

.quick-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:30px 22px;
  text-align:center;
  transition:.25s;
  box-shadow:var(--shadow-sm);
}
.quick-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--gold-400);}
.quick-icon{
  width:56px;height:56px;
  border-radius:16px;
  background:var(--green-100);
  color:var(--green-800);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;
  margin:0 auto 16px;
}
.quick-card h3{font-size:15.5px;margin-bottom:6px;color:var(--green-900);}
.quick-card p{font-size:12.5px;color:var(--ink-500);}

/* =========================
   CARTES ACTUALITÉS
   ========================= */

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
@media (max-width:900px){.news-grid{grid-template-columns:1fr;}}

.news-card{
  background:#fff;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:.25s;
  display:flex;
  flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.news-thumb{
  height:170px;
  background:linear-gradient(135deg,var(--green-800),var(--green-600));
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.5);
  font-size:34px;
}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-date{font-size:12px;color:var(--gold-600);font-weight:700;letter-spacing:.05em;text-transform:uppercase;}
.news-body h3{font-size:17px;color:var(--green-900);}
.news-body p{font-size:13.5px;color:var(--ink-500);flex:1;}
.news-link{font-size:13px;font-weight:700;color:var(--green-800);display:inline-flex;align-items:center;gap:6px;margin-top:6px;}

.empty-state{
  text-align:center;
  padding:50px 24px;
  border:1.5px dashed var(--border);
  border-radius:var(--radius-md);
  color:var(--ink-500);
  font-size:14.5px;
  background:#fff;
}

/* =========================
   GALERIE
   ========================= */

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.gallery-grid-3{grid-template-columns:repeat(3,1fr);}
@media (max-width:860px){
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:520px){
  .gallery-grid, .gallery-grid-3{grid-template-columns:1fr;}
}

.gallery-item{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:1/1;
  cursor:pointer;
  box-shadow:var(--shadow-sm);
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.gallery-item:hover img{transform:scale(1.08);}
.gallery-item::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(14,42,29,.55), transparent 55%);
  opacity:0;
  transition:.3s;
}
.gallery-item:hover::after{opacity:1;}
.gallery-item span{
  position:absolute;left:14px;bottom:12px;color:#fff;font-size:12.5px;font-weight:600;
  opacity:0;transform:translateY(6px);transition:.3s;
}
.gallery-item:hover span{opacity:1;transform:translateY(0);}

/* =========================
   MOT DU PROVISEUR
   ========================= */

.proviseur{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:56px;
  align-items:center;
}
@media (max-width:860px){.proviseur{grid-template-columns:1fr;}}
.proviseur-photo{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  aspect-ratio:4/5;
  background:linear-gradient(160deg,var(--green-800),var(--green-900));
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.4);
  font-size:60px;
}
.quote-mark{font-family:var(--font-display);font-size:64px;color:var(--gold-400);line-height:.5;}
.proviseur-text p{font-size:17px;color:var(--ink-700);margin:18px 0 26px;}
.proviseur-sign strong{display:block;color:var(--green-900);font-size:16px;}
.proviseur-sign span{font-size:12.5px;color:var(--ink-500);}

/* =========================
   FOOTER
   ========================= */

.site-footer{background:var(--green-900);color:rgba(255,255,255,.82);padding:72px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand img{width:48px;height:48px;border-radius:50%;}
.footer-brand strong{font-family:var(--font-display);color:#fff;font-size:17px;}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:18px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--gold-400);}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72);align-items:flex-start;}
.footer-contact b{color:var(--gold-400);}

.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  transition:.2s;
}
.social-row a:hover{background:var(--gold-500);color:var(--green-900);}

.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  padding:22px 0;
  font-size:12.5px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--gold-400);}

/* =========================
   UTIL
   ========================= */

.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:translateY(0);}

.back-to-top{
  position:fixed;
  right:22px;bottom:22px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--green-800);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
  border:none;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:.25s;
  z-index:400;
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0);}

/* =========================
   FORMULAIRES (réutilisés sur plusieurs pages)
   ========================= */

.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow-sm);
}
.form-card label{display:block;font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:6px;margin-top:16px;}
.form-card label:first-child{margin-top:0;}
.form-card input, .form-card select, .form-card textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;
  font-family:var(--font-body);font-size:14px;color:var(--ink-900);background:var(--cream-50);
  box-sizing:border-box;
}
.form-card input:focus, .form-card select:focus, .form-card textarea:focus{outline:none;border-color:var(--green-700);}
.form-card button{margin-top:22px;width:100%;}

.alert-success{
  background:var(--green-100);color:var(--green-800);border:1.5px solid var(--green-700);
  border-radius:12px;padding:16px 20px;font-size:14px;margin-bottom:24px;font-weight:600;
}

/* Page générique "en construction" */
.construction-box{
  max-width:640px;
  margin:0 auto;
  text-align:center;
  padding:80px 24px;
}
.construction-box .quick-icon{margin:0 auto 22px;width:72px;height:72px;font-size:30px;}