:root{--bg:#0d0e11;--s1:#15171b;--s2:#1d2026;--line:#2c3038;--ink:#edebe7;--muted:#9b9ea6;--tide:#45c9b6;--blue:#3b8fd8;--amber:#f0b24a}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:400 16px/1.6 Manrope,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--tide)}a:hover{color:#7fdccd}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:rgba(21,23,27,.85);backdrop-filter:blur(10px);position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}
.brand span b{color:var(--tide);font-weight:700}
nav.links{display:flex;gap:18px;font-size:14px}nav.links a{color:var(--muted);text-decoration:none}nav.links a:hover{color:var(--ink)}
.hero{padding:88px 0 56px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -20% auto;height:520px;background:radial-gradient(50% 50% at 50% 50%,rgba(69,201,182,.18),transparent 70%);pointer-events:none}
.kicker{font:700 12px/16px Manrope,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--amber)}
h1{font-size:clamp(34px,6vw,58px);line-height:1.08;letter-spacing:-.02em;margin:14px auto 16px;max-width:820px}
.lead{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:640px;margin:0 auto}
.cta{display:flex;gap:12px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:600;text-decoration:none;border:1px solid var(--line);color:var(--ink)}
.btn.primary{background:var(--tide);color:#0d0e11;border-color:var(--tide)}.btn.primary:hover{background:#5fd6c5;color:#0d0e11}
section{padding:48px 0}
h2{font-size:28px;letter-spacing:-.01em;margin:0 0 10px}
.sub{color:var(--muted);margin:0 0 26px;max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{background:var(--s1);border:1px solid var(--line);border-radius:12px;padding:20px}
.card h3{margin:10px 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:15px}
.card .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--s2);color:var(--tide)}
.steps{counter-reset:s;display:grid;gap:12px}
.steps div{background:var(--s1);border:1px solid var(--line);border-radius:12px;padding:16px 18px 16px 58px;position:relative;color:var(--muted)}
.steps div b{color:var(--ink)}
.steps div::before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:16px;width:26px;height:26px;border-radius:50%;background:var(--s2);color:var(--tide);display:grid;place-items:center;font-weight:700;font-size:13px}
.note{background:var(--s1);border:1px solid var(--line);border-left:3px solid var(--tide);border-radius:10px;padding:16px 18px;color:var(--muted)}
footer.bottom{border-top:1px solid var(--line);margin-top:40px;padding:28px 0;color:var(--muted);font-size:14px}
footer.bottom .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer.bottom a{color:var(--muted)}
/* pages de texte (confidentialité) */
.doc{max-width:760px;margin:0 auto;padding:56px 20px 20px}
.doc h1{font-size:clamp(30px,5vw,42px);margin:6px 0 8px}
.doc h2{font-size:21px;margin:34px 0 8px}
.doc p,.doc li{color:#cfcdc8}
.doc .meta{color:var(--muted);font-size:14px}
.doc ul{padding-left:22px}
.lang{font-size:14px;color:var(--muted)}