/* Youssef Samihi — site académique v1 */
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/source-serif-4-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/source-serif-4-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:400;font-display:swap;src:url(../fonts/source-serif-4-latin-400-italic.woff2) format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/source-sans-3-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/source-sans-3-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/source-sans-3-latin-700-normal.woff2) format('woff2')}

:root{
  --navy:#0B2545;
  --navy-2:#2A4268;
  --gold:#C9A227;
  --gold-ink:#7A5C0C;
  --ink:#1F2937;
  --muted:#5B6577;
  --line:#DDE2EA;
  --soft:#F3F5F8;
  --on-navy:#DCE3EF;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'Source Sans 3',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.65;color:var(--ink);background:#fff}
h1,h2,h3{font-family:var(--serif);font-weight:600;color:var(--navy);margin:0;line-height:1.2}
p{margin:0 0 1em}
a{color:var(--navy)}
sup{font-size:.7em;line-height:0}
img{max-width:100%}
:focus-visible{outline:3px solid var(--navy);outline-offset:3px}
.on-dark :focus-visible,.hero :focus-visible,.page-hero :focus-visible,.site-footer :focus-visible{outline-color:var(--gold)}

.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--navy);color:#fff;padding:12px 18px;font-weight:700}
.skip:focus{left:8px}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:44px;height:44px;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:1px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-family:var(--serif);font-weight:600;font-size:19px;color:var(--navy)}
.brand-sub{font-size:13px;color:var(--muted)}
.nav-toggle{display:none;align-items:center;gap:10px;min-height:44px;padding:0 16px;background:#fff;border:1px solid var(--navy);color:var(--navy);font:700 15px var(--sans);cursor:pointer}
.nav-toggle svg{display:block}
.site-nav ul{display:flex;flex-wrap:wrap;align-items:center;gap:4px 22px;list-style:none;margin:0;padding:0}
.site-nav a{display:inline-block;padding:8px 0;font-weight:600;font-size:15px;color:var(--navy);text-decoration:none;border-bottom:2px solid transparent}
.site-nav a:hover{border-bottom-color:var(--gold)}
.site-nav a[aria-current="page"]{border-bottom-color:var(--gold)}
.site-nav .lang{display:flex;gap:2px;margin-left:6px;padding-left:18px;border-left:1px solid var(--line)}
.site-nav .lang a{min-width:44px;min-height:44px;display:grid;place-items:center;padding:0 8px;font-size:14px;letter-spacing:.04em;border-bottom:0}
.site-nav .lang a[aria-current="true"]{background:var(--navy);color:#fff}
.site-nav .lang a:not([aria-current="true"]):hover{background:var(--soft)}

/* Hero (accueil) */
.hero{background:var(--navy);color:#fff}
.hero-in{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:64px;align-items:center;padding-top:80px;padding-bottom:80px}
.hero .eyebrow,.page-hero .eyebrow{color:var(--gold)}
.hero h1{color:#fff;font-size:clamp(40px,6vw,62px);margin-bottom:14px}
.hero .role{font-family:var(--serif);font-style:italic;font-size:clamp(19px,2.4vw,24px);line-height:1.4;color:#C5CFE0;margin-bottom:22px}
.hero .lead{max-width:600px;color:var(--on-navy);margin-bottom:30px}
.actions{display:flex;flex-wrap:wrap;gap:14px}
.portrait{position:relative;max-width:340px;margin:0 auto;width:100%}
.portrait::before{content:"";position:absolute;inset:16px -16px -16px 16px;border:2px solid var(--gold)}
.portrait img{position:relative;display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;background:#E6EAF1}

/* Page hero (pages intérieures) */
.page-hero{background:var(--navy);color:#fff;padding:56px 0 52px}
.page-hero h1{color:#fff;font-size:clamp(34px,5vw,48px)}
.page-hero .sub{margin:12px 0 0;color:var(--on-navy);max-width:720px}

/* Sections */
.section{padding:72px 0}
.section.soft{background:var(--soft)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;margin-bottom:32px}
.section h2{font-size:clamp(28px,3.4vw,36px)}
.section h3{font-size:22px}
.eyebrow{margin:0 0 10px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-ink)}
.prose{max-width:760px}
.prose p{color:#374151}
.stack>*+*{margin-top:56px}

/* Boutons et liens */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 26px;font:700 16px var(--sans);text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:#D8B43A}
.btn-ghost{border-color:#8FA2C2;color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2)}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);text-decoration:none;min-height:44px}
.more:hover{text-decoration:underline}
.ico{flex:none}

/* Cartes */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);padding:28px}
.card h3{margin-bottom:10px}
.card p{margin:0;color:#374151}
.card .meta{display:block;margin-bottom:10px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-ink)}
.section:not(.soft) .card{background:var(--soft);border-color:transparent;border-top-color:var(--navy)}

/* Listes */
.ticks{list-style:none;margin:0;padding:0}
.ticks li{position:relative;padding:10px 0 10px 24px;border-top:1px solid var(--line);color:#374151}
.ticks li:last-child{border-bottom:1px solid var(--line)}
.ticks li::before{content:"";position:absolute;left:4px;top:1.15em;width:7px;height:7px;background:var(--gold)}
.ticks strong{color:var(--navy)}

.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:grid;grid-template-columns:96px minmax(0,1fr);gap:8px 24px;padding:16px 0;border-top:1px solid var(--line)}
.timeline li:last-child{border-bottom:1px solid var(--line)}
.timeline .when{font-family:var(--serif);font-weight:600;font-size:20px;color:var(--gold-ink)}
.timeline .what{color:#374151;align-self:center}

.pubs{list-style:none;margin:0;padding:0}
.pubs li{display:grid;grid-template-columns:104px minmax(0,1fr);gap:6px 28px;padding:22px 0;border-top:1px solid var(--line)}
.pubs li:last-child{border-bottom:1px solid var(--line)}
.pubs .year{font-family:var(--serif);font-weight:600;font-size:20px;color:var(--navy)}
.pubs .title{margin:0 0 4px;font-family:var(--serif);font-weight:600;font-size:20px;line-height:1.35;color:var(--navy)}
.pubs .venue{margin:0;color:var(--muted);font-size:16px}
.pubs .role{display:block;margin-top:2px;font-size:14px;font-weight:700;color:var(--gold-ink)}

.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px}

/* Bandeau contact */
.cta{background:var(--soft);border-top:1px solid var(--line)}
.cta-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px 48px;padding-top:48px;padding-bottom:48px}
.cta h2{font-size:28px;margin-bottom:6px}
.cta p{margin:0;color:var(--muted)}

/* Contact */
.contact-card{max-width:640px;background:var(--soft);border-top:3px solid var(--navy);padding:36px}
.contact-card dl{margin:0 0 28px}
.contact-card dt{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-ink);margin-top:18px}
.contact-card dt:first-child{margin-top:0}
.contact-card dd{margin:4px 0 0;font-size:18px}
.contact-card dd a{font-weight:600}

/* Pied de page */
.site-footer{background:var(--navy);color:var(--on-navy)}
.footer-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px 56px;padding-top:56px;padding-bottom:28px}
.footer-name{font-family:var(--serif);font-weight:600;font-size:24px;color:#fff;margin:0 0 8px}
.footer-bar{width:40px;height:3px;background:var(--gold);margin-top:14px}
.site-footer h2{font:700 13px var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:0 0 12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0}
.site-footer a{color:var(--on-navy);display:inline-block;padding:5px 0}
.site-footer a:hover{color:#fff}
.site-footer p{margin:0 0 6px}
.footer-legal{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-top:22px;border-top:1px solid var(--navy-2);font-size:14px;color:#B4C0D6}

/* Mobile */
@media (max-width:1060px){
  .nav-toggle{display:inline-flex}
  .site-nav{flex-basis:100%}
  html.js .site-nav{display:none}
  html.js .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line);margin-top:6px}
  .site-nav li{border-bottom:1px solid var(--line)}
  .site-nav a{display:block;padding:13px 4px;border-bottom:0}
  .site-nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--gold);padding-left:12px}
  .site-nav .lang{margin:0;padding:10px 0;border-left:0}
  .site-nav li.lang-li{border-bottom:0}
}
@media (max-width:860px){
  .hero-in{grid-template-columns:1fr;gap:48px;padding-top:48px;padding-bottom:56px}
  .portrait{max-width:280px;order:-1;margin-left:0}
  .two{grid-template-columns:1fr;gap:48px}
  .footer-in{grid-template-columns:1fr}
  .section{padding:56px 0}
}
@media (max-width:560px){
  body{font-size:16.5px}
  .wrap{padding-left:18px;padding-right:18px}
  .timeline li{grid-template-columns:1fr;gap:2px}
  .pubs li{grid-template-columns:1fr;gap:4px}
  .contact-card{padding:26px 20px}
  .brand-sub{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{
  .site-header,.site-footer,.cta,.skip,.actions{display:none}
  .hero,.page-hero{background:#fff;color:#000}
  .hero h1,.page-hero h1{color:#000}
  body{font-size:12pt}
}