:root{
  --marine:#002B66; --marine-2:#013a86; --turq:#00A7C8; --turq-d:#007F99;
  --ink:#0E1B2E; --muted:#4A5B72; --line:#D8E3EE; --bg:#FFFFFF; --soft:#F2F7FB; --soft-2:#E6F6FA;
  --radius:14px; --wrap:1120px;
  --f-title:'Poppins',system-ui,sans-serif; --f-body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--marine-2);text-underline-offset:3px}
a:hover{color:var(--turq-d)}
h1,h2,h3{font-family:var(--f-title);color:var(--marine);line-height:1.2;margin:0 0 .5em;font-weight:600}
h1{font-size:clamp(2rem,4.5vw,3.2rem);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:44px;width:auto}
.nav{display:flex;gap:4px;align-items:center}
.nav a{font-family:var(--f-title);font-weight:500;font-size:.95rem;color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:8px}
.nav a:hover{background:var(--soft);color:var(--marine)}
.nav a[aria-current=page]{color:var(--marine);background:var(--soft-2)}
.nav .cta{background:var(--marine);color:#fff;margin-left:6px}
.nav .cta:hover,.nav .cta[aria-current=page]{background:var(--marine-2);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;color:var(--marine);cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,43,102,.08)}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .nav .cta{margin:8px 0 0;text-align:center}
  .brand img{height:38px}
}

/* Sections */
section{padding:72px 0}
.soft{background:var(--soft)}
.eyebrow{font-family:var(--f-title);font-weight:600;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--turq-d);margin-bottom:10px;display:block}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.hl{background:linear-gradient(transparent 62%,rgba(0,167,200,.28) 62%);padding:0 2px}

/* Héros */
.hero{padding:80px 0 72px;background:radial-gradient(1200px 500px at 85% -10%,var(--soft-2),transparent 60%),linear-gradient(180deg,#fff,var(--soft))}
.hero .wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.hero h1 span{color:var(--turq-d)}
.hero-card{background:var(--marine);color:#fff;border-radius:20px;padding:32px;position:relative;overflow:hidden}
.hero-card::after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;background:var(--turq);opacity:.18}
.hero-card .big{font-family:var(--f-title);font-size:3rem;font-weight:700;line-height:1;color:#fff}
.hero-card p{color:#CFE3F5;margin:.4em 0 1.2em}
.hero-card a{color:#fff;font-weight:600}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-block;font-family:var(--f-title);font-weight:600;text-decoration:none;padding:12px 22px;border-radius:999px;background:var(--marine);color:#fff;border:2px solid var(--marine)}
.btn:hover{background:var(--marine-2);border-color:var(--marine-2);color:#fff}
.btn.ghost{background:transparent;color:var(--marine)}
.btn.ghost:hover{background:var(--marine);color:#fff}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{padding:48px 0}}

/* Grilles et cartes */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.card .tag{display:inline-block;font-size:.75rem;font-weight:600;color:var(--turq-d);background:var(--soft-2);padding:3px 10px;border-radius:999px;margin-bottom:10px}
.card.accent{border-top:4px solid var(--turq)}
.icon{width:44px;height:44px;border-radius:12px;background:var(--soft-2);display:grid;place-items:center;margin-bottom:14px;color:var(--marine)}
.icon svg{width:24px;height:24px}

/* Étapes valeurs */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.step{border-left:3px solid var(--turq);padding:4px 0 4px 16px}
.step b{font-family:var(--f-title);color:var(--marine);display:block;font-size:1.05rem}
.step span{color:var(--muted);font-size:.93rem}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.steps{grid-template-columns:1fr}}

/* Bandeau titre de page */
.page-head{background:var(--marine);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:var(--turq);opacity:.15}
.page-head h1{color:#fff}
.page-head .lead{color:#CFE3F5}
.page-head .eyebrow{color:#7FD8EA}

/* Listes */
.list{list-style:none;padding:0;margin:0}
.list li{padding:16px 0;border-bottom:1px solid var(--line)}
.list li:last-child{border-bottom:0}
.list .meta{color:var(--muted);font-size:.9rem}
.pub b{color:var(--marine)}
.pub .journal{font-style:italic}

/* Équipe */
.person{text-align:center}
.person img{width:112px;height:112px;border-radius:50%;object-fit:cover;margin:0 auto 10px;border:3px solid #fff;box-shadow:0 0 0 2px var(--soft-2)}
.person b{font-family:var(--f-title);font-weight:500;color:var(--ink);font-size:.95rem}
.team{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:28px 16px}
.bio{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.bio .portrait{position:relative;border-radius:20px;aspect-ratio:4/5;overflow:hidden;background:radial-gradient(circle at 50% 38%,rgba(0,167,200,.35) 0 38%,transparent 39%),linear-gradient(180deg,var(--soft-2),#cfeef6)}
.bio .portrait img{position:absolute;left:50%;top:6%;transform:translateX(-50%);width:84%;height:auto}
@media (max-width:800px){.bio{grid-template-columns:1fr}.bio .portrait{max-width:240px}}

/* Partenaires */
.partners{display:flex;flex-wrap:wrap;gap:12px}
.partners a,.partners span{border:1px solid var(--line);border-radius:999px;padding:10px 18px;font-family:var(--f-title);font-weight:500;color:var(--marine);text-decoration:none;background:#fff;font-size:.92rem}
.partners a:hover{border-color:var(--turq)}

/* Formulaire */
form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:600px){form .row{grid-template-columns:1fr}}
label{display:block;font-weight:600;font-size:.9rem;margin:0 0 6px;color:var(--marine)}
input,select,textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);margin-bottom:16px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--turq);border-color:var(--turq)}
button.btn{cursor:pointer;font-size:1rem}

/* Vidéos */
.video{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Pied de page */
.site-footer{background:var(--marine);color:#CFE3F5;padding:56px 0 28px;font-size:.93rem}
.site-footer .wrap>.grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.site-footer img{height:44px;width:auto;margin-bottom:14px}
.site-footer h3{color:#fff;font-size:1rem}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{color:#7FD8EA}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.site-footer .legal{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:20px;font-size:.82rem;color:#9FB8D6}
@media (max-width:800px){.site-footer .wrap>.grid{grid-template-columns:1fr}}

/* Cartes des membres actuels */
.members{gap:16px}
.member{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:4px solid var(--turq);border-radius:var(--radius);padding:20px}
.m-av{flex:0 0 88px;width:88px;height:88px;border-radius:50%;overflow:hidden;background:linear-gradient(135deg,var(--marine),var(--marine-2));display:grid;place-items:center;box-shadow:0 0 0 3px #fff,0 0 0 5px var(--soft-2)}
.m-av img{width:100%;height:100%;object-fit:cover}
.m-av span{font-family:var(--f-title);font-weight:600;font-size:1.6rem;color:#fff;letter-spacing:.02em}
.member h3{margin:2px 0 4px;font-size:1.08rem}
.m-title{color:var(--turq-d);font-weight:600;font-size:.88rem;margin:0 0 8px}
.m-proj{margin:0;font-size:.93rem;color:var(--ink);line-height:1.5}
.m-proj span{display:block;font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
@media (max-width:600px){.member{padding:16px}.m-av{flex-basis:64px;width:64px;height:64px}.m-av span{font-size:1.2rem}}

.person .ini{width:112px;height:112px;border-radius:50%;margin:0 auto 10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--marine),var(--marine-2));color:#fff;font-family:var(--f-title);font-weight:600;font-size:1.8rem;border:3px solid #fff;box-shadow:0 0 0 2px var(--soft-2)}

/* Distinctions et médias */
.kpi{font-family:var(--f-title);font-size:2.2rem;font-weight:700;color:var(--marine)}
.kpi-l{color:var(--muted);font-size:.9rem}
.dm-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;align-items:start}
.dm-side{position:sticky;top:96px}
@media (max-width:900px){.dm-grid{grid-template-columns:1fr}.dm-side{position:static}}
.timeline{list-style:none;padding:0;margin:24px 0 0;border-left:2px solid var(--soft-2)}
.tl-item{display:flex;gap:18px;position:relative;padding:0 0 22px 22px}
.tl-item::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--turq);box-shadow:0 0 0 3px #fff}
.tl-year{flex:0 0 52px;font-family:var(--f-title);font-weight:700;color:var(--turq-d)}
.tl-item h3{font-size:1.02rem;margin:0 0 2px}
.tl-item h3 a{color:var(--marine);text-decoration:none}
.tl-item h3 a:hover{text-decoration:underline}
.tl-item p{margin:0;color:var(--muted);font-size:.92rem}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 24px}
.chip{font:600 .88rem var(--f-title);border:1px solid var(--line);background:#fff;color:var(--marine);padding:8px 16px;border-radius:999px;cursor:pointer}
.chip.on,.chip:hover{background:var(--marine);color:#fff;border-color:var(--marine)}
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column}
.mcard[hidden]{display:none}
.mtop{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.mtag{font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--marine);background:var(--soft-2);padding:3px 10px;border-radius:999px}
.mdate{font-size:.82rem;color:var(--muted)}
.mout{margin:0 0 4px;font-size:.85rem;font-weight:600;color:var(--turq-d)}
.mcard h3{font-size:1rem;line-height:1.4;margin:0 0 14px;flex:1}
.mlink{font-weight:600;font-size:.9rem;text-decoration:none}
.mlink.muted{color:var(--muted);font-weight:500}
[id]{scroll-margin-top:84px}

/* Médiathèque */
.acard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit}
.acard img{width:100%;aspect-ratio:4/3;object-fit:cover}
.acard div{padding:14px 18px}
.acard h3{margin:4px 0 0;font-size:1.05rem}
.album:nth-of-type(even){background:var(--soft)}
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:20px}
.gi img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;transition:transform .2s}
.gi:hover img{transform:scale(1.02)}
.lb{position:fixed;inset:0;background:rgba(0,20,50,.92);display:grid;place-items:center;z-index:100;padding:24px}
.lb[hidden]{display:none}
.lb img{max-width:100%;max-height:90vh;border-radius:8px}
.lb-x{position:absolute;top:16px;right:20px;background:none;border:0;color:#fff;font-size:2.4rem;cursor:pointer}

/* Actualités : le parcours en boucles (clin d'œil au petit intestin du logo) */
.news-hero{background:linear-gradient(180deg,var(--soft) 0,#fff 100%);padding:64px 0 24px}
.news-kicker{font-family:var(--f-title);font-weight:500;color:var(--turq-d);margin:0 0 6px}
.news-hero h1{font-size:clamp(2.4rem,6vw,4.2rem);letter-spacing:-.02em;margin-bottom:36px}
.lead-note{display:grid;grid-template-columns:200px 1fr;gap:32px;background:var(--marine);color:#fff;border-radius:28px;padding:40px;position:relative;overflow:hidden}
.lead-note::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;border:28px solid var(--turq);opacity:.25}
.lead-date{font-family:var(--f-title);font-weight:700;font-size:2.2rem;line-height:1.05;color:#7FD8EA}
.lead-note h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);margin:8px 0 10px}
.lead-note p{color:#CFE3F5;font-size:1.08rem;max-width:62ch}
.lead-note .nlink{color:#fff}
.lead-note .ntype{background:rgba(255,255,255,.12);color:#fff}
@media (max-width:760px){.lead-note{grid-template-columns:1fr;gap:8px;padding:28px}.lead-date{font-size:1.5rem}}
.news-path{padding:24px 0 80px}
.loops{list-style:none;margin:0 auto;padding:0;max-width:980px}
.loop{display:grid;grid-template-columns:1fr 120px 1fr;align-items:center;min-height:190px}
.gut{grid-column:2;grid-row:1;align-self:stretch;width:120px;height:100%;overflow:visible}
.gut path{fill:none;stroke:var(--turq);stroke-width:14;stroke-linecap:round;vector-effect:non-scaling-stroke;opacity:.85}
.bead{grid-column:2;grid-row:1;justify-self:center;z-index:1;background:#fff;border:3px solid var(--marine);border-radius:999px;padding:6px 12px;font:600 .8rem/1.2 var(--f-title);color:var(--marine);text-align:center;white-space:nowrap}
.loop.l .bead{transform:translateX(-36px)}
.loop.r .bead{transform:translateX(36px)}
.loop.l .note{grid-column:1;grid-row:1;text-align:right;padding-right:72px}
.loop.r .note{grid-column:3;grid-row:1;padding-left:72px}
.note h3{font-size:1.15rem;margin:6px 0 6px}
.note p{color:var(--muted);margin:0 0 8px;font-size:.96rem}
.ntype{display:inline-block;font:600 .78rem var(--f-title);padding:3px 10px;border-radius:999px;background:var(--soft-2);color:var(--marine)}
.t-prix{background:#FFF1C9;color:#6B4E00}
.t-publication{background:#E3ECFF;color:#1C3F94}
.t-medias{background:#E6F6FA;color:#00607A}
.t-recherche{background:#E5F4EA;color:#1E6B3A}
.t-congres{background:#F1E8FB;color:#5B2B8C}
.nlink{font-weight:600;font-size:.92rem}
@media (max-width:760px){
  .loop{grid-template-columns:44px 1fr;min-height:0}
  .gut{grid-column:1;width:44px}
  .gut path{stroke-width:8}
  .bead{display:none}
  .loop.l .note,.loop.r .note{grid-column:2;text-align:left;padding:8px 0 28px 16px}
  .note::before{content:attr(data-date);display:block;font:600 .85rem var(--f-title);color:var(--turq-d);margin-bottom:4px}
}
@media (prefers-reduced-motion:no-preference){.gut path{stroke-dasharray:400;stroke-dashoffset:400;animation:draw 1.4s ease-out forwards}}
@keyframes draw{to{stroke-dashoffset:0}}
/* Accueil : dernières nouvelles */
.home-news{padding:48px 0;border-bottom:1px solid var(--line)}
.hn-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.hn-head h2{margin:0}
.hn-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hn{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--ink);padding:18px 20px;border-left:4px solid var(--turq);background:var(--soft)}
.hn:hover{background:var(--soft-2)}
.hn-d{font:600 .85rem var(--f-title);color:var(--turq-d)}
.hn .ntype{align-self:flex-start}
@media (max-width:800px){.hn-row{grid-template-columns:1fr}}
@media (max-width:1100px){.menu-btn{display:block}.nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,43,102,.08)}.nav.open{display:flex}.nav a{padding:12px}.nav .cta{margin:8px 0 0;text-align:center}}