/* ========== Variables ========== */
:root{
  --navy:#09356F;
  --navy-2:#0B4A9A;
  --blue:#0B59BC;
  --sky:#0E8DDC;
  --accent:#F2B649;
  --accent-2:#F7CE7A;
  --accent-dark:#9A6A00;
  --green:#3F6B54;
  --green-2:#5E9B67;
  --yellow:#F4D626;
  --red:#D6181D;
  --bg:#ffffff;
  --bg-soft:#f4f6fa;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --radius:12px;
  --shadow:0 8px 24px rgba(11,37,69,.10);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);line-height:1.65;background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--navy-2);text-decoration:none}
a:hover{color:var(--accent-dark)}
ul{list-style:none}
h1,h2,h3,h4{color:var(--navy);line-height:1.25;font-family:"Poppins","Inter","Segoe UI",Arial,sans-serif;font-weight:700}
h1{font-size:clamp(2rem,4.5vw,3.2rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:.6rem}
h3{font-size:1.2rem;margin-bottom:.4rem}
p{margin-bottom:1rem}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;color:var(--accent-dark);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;margin-bottom:.5rem}
.lead{font-size:1.1rem;color:var(--muted)}

/* ========== Boutons ========== */
.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;font-size:.95rem;transition:.2s;font-family:inherit}
.btn-accent{background:var(--accent);color:var(--navy)}
.btn-accent:hover{background:var(--accent-2);color:var(--navy)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2);color:#fff}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.btn-outline-dark{border-color:var(--navy);color:var(--navy)}
.btn-outline-dark:hover{background:var(--navy);color:#fff}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}

/* ========== En-tête ========== */
.topbar{background:var(--navy);color:#cbd5e1;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);flex:none}
.brand-flame{width:26px;height:36px;flex:none}
.brand-text{font-family:"Poppins","Inter",Arial,sans-serif;font-weight:800;font-size:1.15rem;line-height:1.05;color:var(--navy);letter-spacing:-.01em}
.brand-text span{font-weight:500}
.brand-text small{display:block;font-weight:600;color:var(--green);font-size:.66rem;letter-spacing:.32em;margin-top:3px}
#menu>ul{display:flex;align-items:center;gap:4px}
#menu a{display:block;white-space:nowrap;padding:10px 9px;font-size:.86rem;font-weight:600;color:var(--navy);border-radius:8px}
#menu a:hover,#menu a.active{color:var(--accent-dark)}
#menu a.cta{background:var(--accent);color:var(--navy);border-radius:999px;padding:10px 18px;margin-left:6px}
#menu a.cta:hover{background:var(--navy);color:#fff}
.has-sub{position:relative}
.sub{position:absolute;top:100%;left:0;min-width:240px;background:#fff;border-radius:10px;box-shadow:var(--shadow);padding:8px;display:none}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{font-weight:500}
.sub a:hover{background:var(--bg-soft)}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.nav-toggle span{display:block;height:3px;background:var(--navy);margin:6px 8px;border-radius:2px;transition:.25s}

/* ========== Hero ========== */
.hero{position:relative;color:#fff;background:linear-gradient(110deg,rgba(9,53,111,.96) 0%,rgba(9,53,111,.86) 45%,rgba(11,74,154,.55) 100%),url(images/campus-batiment.jpg) center/cover no-repeat,var(--navy);padding:110px 0 100px}
.hero h1{color:#fff;max-width:780px;margin-bottom:1rem}
.hero p{max-width:640px;font-size:1.15rem;color:#e3ecf8}
.hero .eyebrow{color:var(--accent-2)}
.page-hero{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem)}
.page-hero p{color:#cbd5e1;max-width:680px;margin:.6rem 0 0}
.breadcrumb{font-size:.85rem;color:#aab8cf;margin-bottom:.8rem}
.breadcrumb a{color:var(--accent-2)}

/* ========== Chiffres ========== */
.stats{margin-top:-48px;position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:28px 20px;text-align:center;border-right:1px solid var(--border)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:2rem;color:var(--navy)}
.stat span{color:var(--muted);font-size:.9rem}

/* ========== Grilles / cartes ========== */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .icon{width:54px;height:54px;border-radius:14px;background:rgba(242,182,73,.22);color:var(--accent-dark);display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px}
.card-link{font-weight:700;font-size:.92rem;display:inline-block;margin-top:6px}
.card.dark{background:var(--navy);color:#cbd5e1;border-color:var(--navy)}
.card.dark h3{color:#fff}
.tag{display:inline-block;background:var(--navy);color:#fff;font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.06em}
.tag.gold{background:var(--accent);color:var(--navy)}
.tag.green{background:var(--green)}
.tag.red{background:var(--red)}

/* ========== Split ========== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.visual{min-height:340px;border-radius:var(--radius);background:linear-gradient(135deg,var(--navy-2),var(--navy));position:relative;overflow:hidden;box-shadow:var(--shadow)}
.visual::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(224,178,82,.35),transparent 55%)}
.visual.photo{background-size:cover;background-position:center}
.visual.photo::after{background:linear-gradient(180deg,transparent 55%,rgba(9,53,111,.85))}
.visual span{position:absolute;left:24px;bottom:20px;color:#fff;font-weight:700;z-index:1;font-size:1.05rem}
.checklist li{padding-left:30px;position:relative;margin-bottom:10px}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}

/* ========== Étapes / timeline ========== */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:56px 22px 24px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-18px;left:22px;width:44px;height:44px;border-radius:50%;background:var(--accent);color:var(--navy);font-weight:800;display:grid;place-items:center}

/* ========== Tableaux ========== */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;min-width:520px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--navy);color:#fff;font-size:.9rem}
tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:var(--bg-soft)}

/* ========== FAQ ========== */
details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;color:var(--navy)}
details[open] summary{margin-bottom:10px}

/* ========== Actualités ========== */
.news{padding:0;overflow:hidden}
.news .thumb{height:170px;background:linear-gradient(135deg,var(--navy-2),var(--navy));display:grid;place-items:center;font-size:2.4rem;overflow:hidden}
.news .thumb img{width:100%;height:100%;object-fit:cover}
.news .body{padding:22px}
.news time{font-size:.8rem;color:var(--muted);display:block;margin-bottom:6px}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.filters button{padding:8px 18px;border-radius:999px;border:1px solid var(--border);background:#fff;font-weight:600;cursor:pointer;font-family:inherit;color:var(--navy)}
.filters button.on{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ========== Formulaires ========== */
form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-weight:600;font-size:.9rem;color:var(--navy)}
input,select,textarea{padding:12px 14px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
textarea{min-height:130px;resize:vertical}
.form-msg{margin-top:16px;padding:14px 16px;border-radius:8px;display:none;font-weight:600}
.form-msg.ok{display:block;background:#e7f6ec;color:#166534}
.form-msg.err{display:block;background:#fdecec;color:#991b1b}
.checkbox{flex-direction:row;align-items:flex-start;gap:10px}
.checkbox input{width:auto;margin-top:5px}

/* ========== CTA ========== */
.cta-band{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;border-radius:var(--radius);padding:48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0}
.cta-band p{color:#cbd5e1;margin:.4rem 0 0}

/* ========== Pied de page ========== */
.site-footer{background:#061f45;color:#aab8cf;padding:64px 0 0;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:1rem}
.site-footer a{color:#aab8cf}
.site-footer a:hover{color:var(--accent-2)}
.site-footer li{margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem}

/* ========== Animations ========== */
.reveal{opacity:0;transform:translateY(22px);transition:.7s}
.reveal.in{opacity:1;transform:none}
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;background:var(--accent);color:var(--navy);border:0;font-size:1.2rem;cursor:pointer;display:none;box-shadow:var(--shadow);z-index:90}
.to-top.show{display:block}

/* ========== Responsive ========== */
@media(max-width:1180px){
  .nav-toggle{display:block}
  #menu{position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 12px 20px rgba(0,0,0,.1);max-height:0;overflow:hidden;transition:max-height .35s}
  #menu.open{max-height:90vh;overflow-y:auto}
  #menu>ul{flex-direction:column;align-items:stretch;padding:12px 20px 20px;gap:0}
  #menu a.cta{margin:10px 0 0;text-align:center}
  .sub{position:static;display:block;box-shadow:none;padding:0 0 0 14px}
  .nav-toggle.open span:nth-child(1){transform:translateY(9px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
}
@media(max-width:900px){
  .grid-3,.grid-4,.steps,.footer-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--border)}
}
@media(max-width:600px){
  .section{padding:52px 0}
  .grid-2,.grid-3,.grid-4,.steps,.footer-grid,.form-grid{grid-template-columns:1fr}
  .topbar .container{justify-content:center;text-align:center}
  .hero{padding:72px 0 80px}
  .cta-band{padding:30px 24px}
  form{padding:22px}
}

/* ========== Logos des établissements ========== */
.logo-box{background:#fff;border:1px solid var(--border);border-radius:14px;padding:12px;display:grid;place-items:center;height:132px;margin-bottom:16px}
.logo-box img{height:104px;width:auto;max-width:100%;object-fit:contain}
.logo-hero{background:#fff;border-radius:var(--radius);padding:26px;display:grid;place-items:center;box-shadow:var(--shadow);min-height:340px}
.logo-hero img{height:300px;width:auto;max-width:100%;object-fit:contain}
.tagline{display:inline-block;background:var(--navy);color:#fff;border-radius:12px;padding:10px 18px;font-weight:700;font-size:.9rem;margin-top:6px}
.school-essalm{border-top:5px solid var(--green-2)}
.school-ifplm{border-top:5px solid var(--red)}
.school-islm{border-top:5px solid var(--blue)}
.notice{background:#fff8e6;border-left:4px solid var(--accent);padding:14px 18px;border-radius:8px;font-size:.92rem;margin:18px 0}

/* ========== Charte graphique ========== */
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}
.swatch{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff}
.swatch .chip{height:110px;display:flex;align-items:flex-end;padding:12px;font-weight:700;font-size:.85rem}
.swatch .meta{padding:14px 16px;font-size:.85rem;color:var(--muted);line-height:1.7}
.swatch .meta strong{color:var(--navy);display:block;font-size:.98rem}
.ratio{display:flex;height:54px;border-radius:12px;overflow:hidden;font-size:.8rem;font-weight:700}
.ratio div{display:grid;place-items:center}
.do-dont{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.do,.dont{border-radius:var(--radius);padding:22px;border:1px solid var(--border);background:#fff}
.do{border-top:5px solid var(--green-2)}
.dont{border-top:5px solid var(--red)}
.do li::before{content:"✓ ";color:var(--green);font-weight:800}
.dont li::before{content:"✕ ";color:var(--red);font-weight:800}
.type-sample{border:1px solid var(--border);border-radius:var(--radius);padding:26px;background:#fff}
.clearspace{display:inline-block;padding:28px;border:2px dashed var(--accent);border-radius:12px;background:#fff}
@media(max-width:600px){.do-dont{grid-template-columns:1fr}}