/* keeper — feuille de style commune */
@font-face{font-family:'Inter Tight';font-weight:400;font-display:swap;
  src:url(/assets/inter-tight-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Inter Tight';font-weight:500;font-display:swap;
  src:url(/assets/inter-tight-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Inter Tight';font-weight:600;font-display:swap;
  src:url(/assets/inter-tight-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Inter Tight';font-weight:800;font-display:swap;
  src:url(/assets/inter-tight-latin-800-normal.woff2) format('woff2')}
@font-face{font-family:'Plex Mono';font-weight:400;font-display:swap;
  src:url(/assets/ibm-plex-mono-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Plex Mono';font-weight:600;font-display:swap;
  src:url(/assets/ibm-plex-mono-latin-600-normal.woff2) format('woff2')}

:root{
  --violet:#56407A; --violet-clair:#6B5296; --nuit:#1A1026; --amethyste:#6D4AFF;
  --craie:#F3F0F7; --ligne:#DDD5E6; --gris:#6B5B7D; --ok:#1E7A54; --erreur:#B3261E;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter Tight',system-ui,sans-serif;color:var(--nuit);background:#fff;
  -webkit-font-smoothing:antialiased;line-height:1.55}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.wrap.etroit{max-width:760px}
.mono{font-family:'Plex Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase}
a{color:inherit}

/* barre */
nav{position:sticky;top:0;z-index:30;background:var(--nuit);border-bottom:1px solid rgba(255,255,255,.1)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
nav .mark{font-weight:800;letter-spacing:-.045em;font-size:25px;color:#fff;text-decoration:none;line-height:1}
nav .cta{background:#fff;color:var(--nuit);text-decoration:none;padding:9px 18px;border-radius:2px;
  font-weight:600;font-size:14px}
nav .cta:hover{background:var(--amethyste);color:#fff}

/* boutons */
.btn{background:var(--nuit);color:#fff;text-decoration:none;padding:15px 26px;border-radius:2px;
  font-weight:600;font-size:16px;display:inline-block;border:0;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--amethyste)}
.btn.clair{background:#fff;color:var(--nuit)}
.btn.clair:hover{background:var(--amethyste);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--ligne);color:var(--nuit)}
.btn.ghost:hover{background:var(--craie);color:var(--nuit)}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* pied */
footer{background:var(--nuit);color:rgba(255,255,255,.55);padding:56px 0 40px;font-size:14px;margin-top:0}
footer .mark{font-size:28px;color:#fff;margin-bottom:6px;font-weight:800;letter-spacing:-.045em}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
footer a{color:rgba(255,255,255,.72);text-decoration:none;display:block;padding:4px 0}
footer a:hover{color:#fff}
.legal{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.38)}

/* pages de contenu */
.doc{padding:56px 0 72px}
.doc h1{font-size:clamp(28px,5vw,40px);font-weight:800;letter-spacing:-.04em;margin-bottom:8px}
.doc h2{font-size:18px;font-weight:600;letter-spacing:-.02em;margin:32px 0 10px}
.doc h3{font-size:15px;font-weight:600;margin:20px 0 6px}
.doc p,.doc li{font-size:15px;color:#3D3048;margin-bottom:10px}
.doc ul{margin-left:20px}
.doc .maj{color:var(--gris);font-size:13px}
.avert{background:#FFF6E5;border-left:3px solid #C98A00;padding:14px 18px;font-size:14px;margin:18px 0}

:focus-visible{outline:2px solid var(--amethyste);outline-offset:3px}
@media(max-width:760px){.fgrid{grid-template-columns:1fr;gap:26px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}