/* GCB site: one dark world (brand indigo), pink and turquoise rules, full-width bands with a narrow reading column. */
@font-face{font-family:"Inter";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/inter-400.woff) format("woff")}
@font-face{font-family:"Inter";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/inter-500.woff) format("woff")}
@font-face{font-family:"Inter";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/inter-600.woff) format("woff")}
@font-face{font-family:"Inter";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/inter-700.woff) format("woff")}
@font-face{font-family:"Inter";font-weight:800;font-style:normal;font-display:swap;src:url(fonts/inter-800.woff) format("woff")}
:root{--indigo:#14102A;--indigo-2:#1E1A3B;--encre:#F5F3FF;--sourdine:#B7B2D6;--rose:#FF4FA3;--turquoise:#00D4C8;
--font-display:"Inter","Helvetica Neue",Arial,sans-serif;--font-body:"Inter","Helvetica Neue",Arial,sans-serif;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--indigo);color:var(--encre);font-family:var(--font-body);font-size:18px;line-height:1.55}
a{color:var(--turquoise)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--turquoise);outline-offset:3px}
.hidden{display:none!important}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.langbar{display:flex;justify-content:flex-end;padding:14px 0 0}
.lang{display:inline-flex;border:1px solid #4B4566;border-radius:999px;overflow:hidden}
.lang button{background:transparent;color:var(--sourdine);border:0;font:inherit;font-weight:700;font-size:14px;letter-spacing:.06em;padding:8px 16px;cursor:pointer;min-width:52px}
.lang button[aria-pressed="true"]{background:var(--turquoise);color:#14102A}
.lang button:not([aria-pressed="true"]):hover{color:var(--encre)}
.lang button:focus-visible{outline:3px solid var(--turquoise);outline-offset:-3px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--encre)}
.brand svg{width:380px;max-width:70vw;height:auto;display:block}
nav a{color:var(--encre);text-decoration:none;font-weight:500;font-size:15px;margin-left:20px}
nav a:hover{color:var(--turquoise)}
.hero{padding:56px 0 64px}
.badge{display:inline-block;border:1px solid var(--turquoise);color:var(--turquoise);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:700;letter-spacing:.04em}
h1{font-family:var(--font-display);font-weight:800;font-size:clamp(40px,8vw,84px);line-height:1.02;letter-spacing:-.02em;margin:22px 0 18px;text-wrap:balance}
h1 em{font-style:normal;color:var(--rose)}
h1 em.t{color:var(--turquoise)}
.lead{max-width:60ch;color:var(--sourdine);font-size:20px;margin:0 0 28px}
.rule{display:flex;gap:10px;max-width:420px;margin:0 0 30px}
.rule i{display:block;height:6px;flex:1;background:var(--rose)}
.rule i+i{background:var(--turquoise)}
.btn{display:inline-block;background:var(--rose);color:#14102A;font-weight:800;font-size:17px;padding:14px 24px;border:0;border-radius:6px;text-decoration:none;cursor:pointer;font-family:inherit}
.btn:hover{filter:brightness(1.08)}
.btn[disabled]{opacity:.6;cursor:wait}
section{padding:56px 0;border-top:1px solid rgba(245,243,255,.12)}
h2{font-weight:800;font-size:clamp(28px,4.5vw,40px);letter-spacing:-.01em;margin:0 0 14px;text-wrap:balance}
.sub{color:var(--sourdine);max-width:60ch;margin:0 0 30px}
.trois{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.carte{background:var(--indigo-2);border-radius:8px;padding:24px;border-top:4px solid var(--rose)}
.carte:nth-child(2){border-top-color:var(--turquoise)}
.carte:nth-child(3){border-top-color:var(--encre)}
.carte h3{margin:0 0 8px;font-size:22px}
.carte p{margin:0;color:var(--sourdine);font-size:16px}
.pour{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pour div{border-left:4px solid var(--turquoise);padding:4px 0 4px 16px}
.pour h3{margin:0 0 6px;font-size:20px}
.pour p{margin:0;color:var(--sourdine);font-size:16px}
ol.etapes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
ol.etapes li{background:var(--indigo-2);border-radius:8px;padding:18px;font-size:16px;color:var(--sourdine);position:relative}
ol.etapes li strong{display:block;color:var(--encre);font-size:18px;margin-bottom:4px}
ol.etapes li.ici{outline:2px solid var(--turquoise)}
ol.etapes li.ici::after{content:attr(data-here);position:absolute;top:-12px;left:14px;background:var(--turquoise);color:#14102A;font-size:12px;font-weight:800;padding:2px 10px;border-radius:999px}
.formbox{background:var(--indigo-2);border-radius:10px;padding:28px;max-width:640px}
label,legend{display:block;font-weight:700;font-size:15px;margin:0 0 6px}
.champ{margin:0 0 18px}
input[type=text],input[type=email],select{width:100%;background:var(--indigo);border:1px solid #4B4566;color:var(--encre);border-radius:6px;padding:12px 14px;font-size:17px;font-family:inherit}
fieldset{border:0;margin:0 0 18px;padding:0}
.coche{display:flex;gap:10px;align-items:flex-start;margin:0 0 8px;font-size:16px;font-weight:400}
.coche input{margin-top:5px;width:18px;height:18px;accent-color:var(--turquoise)}
.aide{color:var(--sourdine);font-size:14px;margin:6px 0 0}
.err{color:#FF8FC2;font-size:14px;margin:6px 0 0;min-height:1em}
.retour{margin-top:20px;background:var(--indigo);border:1px solid var(--turquoise);border-radius:8px;padding:16px;font-size:16px}
.retour.mauvais{border-color:#FF8FC2}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.soon p{margin:0 0 18px;color:var(--sourdine)}
.soon p.fort{color:var(--encre);font-weight:700;font-size:20px}
footer{padding:36px 0 56px;border-top:1px solid rgba(245,243,255,.12);color:var(--sourdine);font-size:15px}
footer .cols{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
footer p{margin:0 0 6px}
footer a{color:var(--encre)}
footer a:hover{color:var(--turquoise)}
.prose{max-width:70ch;padding:40px 0 64px}
.prose h1{font-size:clamp(34px,6vw,56px);margin:10px 0 8px}
.prose h2{font-size:24px;margin:36px 0 10px}
.prose p,.prose li{color:var(--sourdine);font-size:17px}
.prose ul{padding-left:22px;margin:0 0 14px}
.prose strong{color:var(--encre)}
.prose .maj{font-size:15px;margin:0 0 24px}
.todo{background:var(--rose);color:#14102A;font-weight:800;padding:1px 6px;border-radius:4px}
.retourlien{display:inline-block;margin:6px 0 0;font-weight:700}
@media (max-width:760px){.trois,.pour,ol.etapes{grid-template-columns:1fr}nav{display:none}.formbox{padding:20px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}