:root{
  --navy:#1F3864; --navy-dark:#16284a; --teal:#0E7C7B; --gold:#B8860B;
  --ink:#1A1A1A; --grey:#5A5A5A; --light:#F5F7FA; --white:#fff; --border:#E2E8F0;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);line-height:1.6;background:var(--white)}
h1,h2,h3,h4{font-family:'Sora','Inter',sans-serif;line-height:1.2}
a{text-decoration:none;color:inherit}
.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* HEADER */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px;color:var(--navy)}
.logo-mark{width:52px;height:54px;background:url('images/logo/logo-esig.png') no-repeat center / contain;flex-shrink:0}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{font-size:15px;color:var(--grey);font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--navy)}
.nav-links a.active{color:var(--navy);font-weight:600}
.btn{display:inline-block;font-weight:600;font-size:15px;padding:11px 22px;border-radius:8px;cursor:pointer;border:none;transition:transform .15s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{box-shadow:0 6px 18px rgba(14,124,123,.3)}
.btn-white{background:#fff;color:var(--teal)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:26px;color:var(--navy)}

/* PAGE HERO */
.page-hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-dark) 100%);color:#fff;padding:64px 0 56px;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 85% 30%,rgba(184,134,11,.12) 0,transparent 45%);pointer-events:none}
.page-hero .eyebrow{font-size:13px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:#8FB8D8;margin-bottom:14px;position:relative}
.page-hero h1{font-size:40px;margin-bottom:16px;position:relative}
.page-hero p{font-size:18px;color:#C8D6E8;max-width:640px;margin:0 auto;position:relative}

/* TABS */
.tabs-wrap{position:sticky;top:68px;z-index:50;background:var(--white);border-bottom:1px solid var(--border);box-shadow:0 2px 8px rgba(0,0,0,.03)}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin}
.tabs::-webkit-scrollbar{height:3px}
.tabs::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.tab{flex-shrink:0;padding:18px 22px;font-family:'Sora',sans-serif;font-weight:600;font-size:15px;color:var(--grey);cursor:pointer;border-bottom:3px solid transparent;transition:color .2s,border-color .2s;background:none;white-space:nowrap}
.tab:hover{color:var(--navy)}
.tab.active{color:var(--navy);border-bottom-color:var(--teal)}
.tab .count{display:inline-block;font-size:12px;background:var(--light);color:var(--grey);padding:1px 8px;border-radius:20px;margin-left:6px;font-weight:600}
.tab.active .count{background:var(--teal);color:#fff}

/* PANELS */
.tab-panel{display:none;padding:52px 0 70px}
.tab-panel.active{display:block;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.level-intro{text-align:center;max-width:700px;margin:0 auto 44px}
.level-intro .badge{display:inline-block;background:rgba(184,134,11,.12);color:var(--gold);font-weight:600;font-size:13px;padding:4px 14px;border-radius:20px;margin-bottom:12px;letter-spacing:.5px}
.level-intro h2{font-size:30px;color:var(--navy);margin-bottom:12px}
.level-intro p{color:var(--grey);font-size:16px}
.level-stat{margin-top:14px;font-size:14px;color:var(--teal);font-weight:600}

/* DOMAIN */
.domain{margin-bottom:44px}
.domain-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.domain-icon{width:42px;height:42px;border-radius:10px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.domain-icon svg{width:22px;height:22px}
.domain-head h3{font-size:21px;color:var(--navy)}
.domain-head .dcount{margin-left:auto;font-size:13px;color:var(--grey);font-weight:500;white-space:nowrap}

/* FORMATION CARDS */
.formations{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px}
.fcard{border:1px solid var(--border);border-radius:14px;padding:22px;transition:transform .2s,box-shadow .2s,border-color .2s;cursor:pointer;display:flex;flex-direction:column;background:var(--white)}
.fcard:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(0,0,0,.08);border-color:var(--teal)}
.fcard-mention{font-size:12px;font-weight:600;color:var(--teal);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.fcard h4{font-size:18px;color:var(--navy);margin-bottom:10px;line-height:1.3}
.fcard-section{margin-top:12px}
.fcard-label{font-size:12px;font-weight:600;color:var(--ink);text-transform:uppercase;letter-spacing:.3px;margin-bottom:5px;display:flex;align-items:center;gap:5px}
.fcard-label svg{width:13px;height:13px;color:var(--teal);flex-shrink:0}
.fcard-text{font-size:14px;color:var(--grey);line-height:1.5}
.fcard-jobs{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.job-tag{font-size:12px;background:var(--light);color:var(--navy);padding:3px 10px;border-radius:6px;font-weight:500}
.fcard-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between}
.fcard-cta{font-size:14px;font-weight:600;color:var(--teal)}
.fcard-dur{font-size:13px;color:var(--grey);font-weight:500}

/* LANGUES */
.langs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:20px;max-width:900px;margin:0 auto}
.lang-card{border:1px solid var(--border);border-radius:14px;padding:24px;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;background:var(--white)}
.lang-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(0,0,0,.08);border-color:var(--teal)}
.lang-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.lang-flag{font-size:36px;line-height:1;flex-shrink:0}
.lang-head h4{font-size:20px;color:var(--navy);margin-bottom:2px}
.lang-tag{font-size:12px;color:var(--gold);font-weight:600}
.lang-level{margin-left:auto;background:var(--navy);color:#fff;font-size:13px;font-weight:600;padding:4px 12px;border-radius:8px;white-space:nowrap;align-self:flex-start}
.lang-desc{font-size:14px;color:var(--grey);line-height:1.55;margin-bottom:14px}
.lang-certif{font-size:13px;color:var(--ink);background:var(--light);padding:12px 14px;border-radius:8px;line-height:1.5}
.lang-certif-label{display:block;font-weight:600;color:var(--teal);text-transform:uppercase;font-size:11px;letter-spacing:.5px;margin-bottom:3px}

/* CTA */
.cta-band{background:var(--teal);color:#fff;text-align:center;padding:56px 0}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{font-size:17px;color:#D4F0EE;margin-bottom:24px}

/* FOOTER */
footer{background:var(--navy-dark);color:#fff;padding:50px 0 30px}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;margin-bottom:30px}
.footer-logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px}
.footer-logo .logo-mark{width:48px;height:48px;border-radius:50%;background:#fff url('images/logo/logo-esig.png') no-repeat center / 80%;flex-shrink:0}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{color:#A8BDD6;font-size:15px;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:14px;color:#8FA5BE;text-align:center}

/* RESPONSIVE */
@media(max-width:860px){
  .nav-links{display:none}
  .menu-toggle{display:block}
  .nav-links.mobile-open{display:flex;flex-direction:column;align-items:flex-start;position:absolute;top:68px;left:0;right:0;background:#fff;padding:20px;gap:16px;border-bottom:1px solid var(--border)}
  .page-hero h1{font-size:30px}
  .page-hero p{font-size:16px}
  .tabs-wrap{top:68px}
  .formations{grid-template-columns:1fr}
  .langs-grid{grid-template-columns:1fr}
  .level-intro h2{font-size:25px}
  .domain-head h3{font-size:18px}
}

/* Note de pôle (formation modulaire) */
.domain-note{font-size:14px;color:var(--grey);font-style:italic;margin:-8px 0 18px;padding-left:2px;line-height:1.5;max-width:820px}

/* Section cartes en en-tête de la page formations */
.parcours-section{padding:48px 0 8px;background:var(--white)}

/* ===== Chapeau de mention (contenu PDF officiel) sur la page Parcours académique ===== */
.mention-chapeau{
  background:linear-gradient(135deg,rgba(31,56,100,.04),rgba(14,124,123,.05));
  border:1px solid var(--border);border-left:4px solid var(--teal);
  border-radius:12px;padding:22px 24px;margin:6px 0 26px;
}
.mention-intro{font-size:15.5px;color:var(--ink);line-height:1.7;margin-bottom:16px}
.mention-debouches{border-top:1px dashed var(--border);padding-top:14px}
.mention-deb-label{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:var(--teal);margin-bottom:6px;
}
.mention-debouches p{font-size:14px;color:var(--grey);line-height:1.65;margin:0}
@media(max-width:860px){
  .mention-chapeau{padding:18px 18px;margin-bottom:20px}
  .mention-intro{font-size:14.5px}
}