:root{--bg:#070b16;--bg2:#0d1426;--card:rgba(255,255,255,.045);--line:rgba(255,255,255,.1);--tx:#e8ecf6;--mut:#9aa6c4;--a:#2dd4bf;--b:#f5b942;--c:#6366f1;--r:20px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html[lang=fr] .en{display:none!important}html[lang=en] .fr{display:none!important}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--tx);line-height:1.65;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(60vw 60vw at 85% -10%,rgba(99,102,241,.28),transparent 60%),radial-gradient(50vw 50vw at -10% 40%,rgba(45,212,191,.18),transparent 60%),radial-gradient(40vw 40vw at 90% 90%,rgba(245,185,66,.12),transparent 60%)}
body:after{content:"";position:fixed;inset:0;z-index:-1;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(#000,transparent 80%)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:'Space Grotesk','Inter',sans-serif;line-height:1.15;letter-spacing:-.02em}
.grad{background:linear-gradient(110deg,var(--a),var(--b));-webkit-background-clip:text;background-clip:text;color:transparent}
/* nav */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:rgba(7,11,22,.7);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-family:'Space Grotesk',sans-serif}
.logo img{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid var(--a)}
.links{display:flex;gap:4px;margin-left:auto}
.links a{padding:8px 14px;border-radius:999px;color:var(--mut);font-size:.92rem;transition:.25s}
.links a:hover,.links a.on{color:#fff;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.lang{border:1px solid var(--line);background:var(--card);color:var(--tx);padding:7px 14px;border-radius:999px;cursor:pointer;font-weight:600;font-size:.85rem}
.lang:hover{border-color:var(--a)}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer;margin-left:auto}
@media(max-width:860px){.burger{display:block}.links{position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--bg2);padding:14px 24px;display:none;border-bottom:1px solid var(--line)}.links.open{display:flex}nav .lang{margin-left:0}}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;border:1px solid var(--line);background:var(--card);transition:.25s;cursor:pointer;color:var(--tx);font-size:1rem}
.btn:hover{transform:translateY(-2px);border-color:var(--a)}
.btn.p{background:linear-gradient(110deg,var(--a),#22b5a3);color:#04121a;border:0;box-shadow:0 10px 30px -10px var(--a)}
.btn.p:hover{box-shadow:0 14px 36px -8px var(--a)}
/* hero */
.hero{padding:90px 0 70px}
.hero .wrap{display:grid;grid-template-columns:1.25fr .85fr;gap:60px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:.85rem;color:var(--mut)}
.dot{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 0 #34d399;animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px transparent}}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);margin:22px 0 14px}
.role{font-size:1.35rem;color:var(--mut);min-height:2em}
.role b{color:var(--a);font-weight:600}
.caret{display:inline-block;width:2px;height:1.1em;background:var(--a);vertical-align:-3px;margin-left:3px;animation:bl 1s steps(1) infinite}
@keyframes bl{50%{opacity:0}}
.hero p.lead{margin:22px 0 32px;color:var(--mut);max-width:58ch;font-size:1.07rem}
.cta{display:flex;flex-wrap:wrap;gap:14px}
.photo{position:relative;justify-self:center;width:min(380px,80vw)}
.photo:before{content:"";position:absolute;inset:-14px;border-radius:32px;background:conic-gradient(from 0deg,var(--a),var(--c),var(--b),var(--a));filter:blur(22px);opacity:.5;animation:spin 9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.photo img{position:relative;width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:28px;border:1px solid var(--line)}
.chip{position:absolute;background:rgba(13,20,38,.9);backdrop-filter:blur(10px);border:1px solid var(--line);padding:10px 16px;border-radius:16px;font-size:.85rem;font-weight:600;box-shadow:0 14px 30px -12px #000;animation:float 5s ease-in-out infinite}
.chip small{display:block;color:var(--mut);font-weight:400}
.chip.c1{left:-26px;bottom:44px}.chip.c2{right:-20px;top:38px;animation-delay:-2.5s}
@keyframes float{50%{transform:translateY(-8px)}}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}.photo{order:-1}.chip.c1{left:-8px}.chip.c2{right:-8px}}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:10px 0 40px}
.stat{padding:26px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);text-align:center}
.stat b{display:block;font-family:'Space Grotesk';font-size:2.5rem;color:var(--a)}
.stat span{color:var(--mut);font-size:.92rem}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
/* sections */
section{padding:70px 0}
.eyebrow{color:var(--a);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem}
h2{font-size:clamp(1.9rem,4vw,2.8rem);margin:10px 0 14px}
.sub{color:var(--mut);max-width:62ch;margin-bottom:38px}
.grid{display:grid;gap:20px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.g2,.g3{grid-template-columns:1fr}}@media(min-width:901px) and (max-width:1050px){.g3{grid-template-columns:repeat(2,1fr)}}
.card{padding:28px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);transition:.3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);border-color:rgba(45,212,191,.5);box-shadow:0 20px 40px -20px rgba(45,212,191,.35)}
.card .ic{font-size:1.9rem;width:56px;height:56px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,rgba(45,212,191,.2),rgba(99,102,241,.2));margin-bottom:16px}
.card h3{font-size:1.2rem;margin-bottom:8px}.card p{color:var(--mut);font-size:.96rem}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{padding:5px 12px;border-radius:999px;background:rgba(45,212,191,.1);border:1px solid rgba(45,212,191,.28);color:#9eeee2;font-size:.8rem;font-weight:500}
.tag.y{background:rgba(245,185,66,.1);border-color:rgba(245,185,66,.3);color:#fcd98b}
/* timeline */
.tl{position:relative;padding-left:34px}
.tl:before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--a),var(--c),transparent)}
.job{position:relative;margin-bottom:26px}
.job:before{content:"";position:absolute;left:-33px;top:30px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--a);box-shadow:0 0 0 5px rgba(45,212,191,.15)}
.job .when{display:inline-block;color:var(--b);font-weight:600;font-size:.85rem;letter-spacing:.04em}
.job h3{font-size:1.4rem;margin:4px 0}
.job .org{color:var(--mut);margin-bottom:12px}
.job ul{list-style:none;display:grid;gap:10px}
.job li{padding-left:26px;position:relative;color:#cfd6ea;font-size:.97rem}
.job li:before{content:"→";position:absolute;left:0;color:var(--a)}
.job li b{color:#fff}
/* quote / about */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
.about img{width:100%;border-radius:var(--r);border:1px solid var(--line);aspect-ratio:4/5;object-fit:cover}
@media(max-width:860px){.about{grid-template-columns:1fr}}
.cta-band{margin:30px 0 60px;padding:54px 30px;text-align:center;border-radius:28px;background:linear-gradient(135deg,rgba(45,212,191,.16),rgba(99,102,241,.2));border:1px solid var(--line)}
.cta-band h2{margin-top:0}
/* contact */
.ct{display:flex;gap:16px;align-items:center;padding:18px 22px;border-radius:16px;background:var(--card);border:1px solid var(--line);margin-bottom:14px;transition:.25s}
.ct:hover{border-color:var(--a);transform:translateX(5px)}
.ct i{font-style:normal;font-size:1.4rem}.ct small{display:block;color:var(--mut)}
form{display:grid;gap:14px}
input,textarea{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--tx);font:inherit}
input:focus,textarea:focus{outline:0;border-color:var(--a)}
/* page header */
.ph{padding:70px 0 10px}.ph h1{font-size:clamp(2.2rem,5vw,3.6rem);margin:10px 0}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--mut);text-align:center;font-size:.9rem;margin-top:40px}
/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:.8s cubic-bezier(.2,.7,.2,1)}.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}
@media print{nav,.cta,.lang,footer{display:none}body{background:#fff;color:#000}.card{border:1px solid #ccc}}
.hero{overflow:hidden}.hero .wrap>*{min-width:0}
@media(max-width:860px){.photo{width:min(320px,76vw)}.chip{font-size:.75rem;padding:8px 12px}.chip.c1{left:-4px}.chip.c2{right:-4px}.hero{padding-top:40px}.hero p.lead{max-width:none}}