:root{--night:#1A0509;--deep:#2E0710;--burg:#6B1020;--burg-2:#8A1830;--gold:#B08D57;--gold-l:#D9BC8A;--gold-g:linear-gradient(110deg,#8E6B38 0%,#E6CB9A 40%,#B08D57 62%,#D9BC8A 100%);
--bg:#F7F2EA;--bg2:#EFE6D8;--fg:#2A0A12;--mu:#6B5558;--line:#DDD0BC;--acc:#8A1830;--field:#fff;
--f-h:"Playfair Display",Georgia,serif;--f-d:"Montserrat","Helvetica Neue",Arial,sans-serif;--f-b:"Hanken Grotesk","Helvetica Neue",Arial,sans-serif;--ease:cubic-bezier(.2,.8,.2,1)}
@media (prefers-color-scheme:dark){:root{--bg:#210710;--bg2:#2B0A15;--fg:#F3E9DA;--mu:#C2A9A9;--line:#4A1B28;--acc:#D9BC8A;--field:#2B0A15}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 1.0625rem/1.65 var(--f-b)}
a{color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.wrap{width:min(920px,100% - 2.5rem);margin-inline:auto}
.top{background:radial-gradient(120% 140% at 80% 0%,#7A1428 0%,#35090F 50%,var(--night) 100%);color:#F3E9DA}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:84px}
.top img{height:54px;width:auto;display:block}
.back{font:600 .92rem var(--f-d);text-decoration:none;color:#F3E9DA;border:1.5px solid rgba(243,233,218,.4);border-radius:999px;padding:.6rem 1.2rem;transition:background .3s,color .3s}
.back:hover{background:#F3E9DA;color:var(--night)}
.hero-s{padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(2.5rem,5vw,4rem)}
.hero-s h1{font:700 clamp(2.2rem,5.5vw,4rem)/1.05 var(--f-h);letter-spacing:-.02em;margin:0}
.hero-s p{margin:1rem 0 0;color:#D9C8C4;max-width:38rem}
.hero-s .k{font:600 .85rem var(--f-d);color:var(--gold-l);margin-bottom:.9rem}
main.doc{padding:clamp(2.5rem,6vw,4.5rem) 0}
.doc h2{font:700 clamp(1.4rem,2.6vw,1.9rem)/1.15 var(--f-h);letter-spacing:-.01em;margin:2.4rem 0 .7rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.doc h2:first-child{margin-top:0;padding-top:0;border-top:0}
.doc p{margin:.7rem 0;color:var(--fg)}
.doc ul{margin:.7rem 0;padding-left:1.2rem}
.doc li{margin:.35rem 0}
.doc .mu{color:var(--mu)}
.doc a{color:var(--acc);text-underline-offset:3px}
footer.f{background:#100307;color:#BFA9A6;padding:2.5rem 0;font-size:.92rem}
footer.f .wrap{width:min(1100px,100% - 2.5rem)}
footer.f ul{list-style:none;margin:0 0 1.2rem;padding:0;display:flex;flex-wrap:wrap;gap:.5rem 1.6rem}
footer.f a{text-decoration:none}footer.f a:hover{color:#fff;text-decoration:underline}
footer.f p{margin:0;max-width:60rem}
/* formulaire */
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem 1.4rem}
.form .full{grid-column:1/-1}
.form label{display:block;font:600 .88rem var(--f-d);margin-bottom:.4rem}
.form input,.form select,.form textarea{width:100%;font:400 1rem var(--f-b);color:var(--fg);background:var(--field);border:1.5px solid var(--line);border-radius:14px;padding:.85rem 1rem;transition:border-color .25s,box-shadow .25s}
.form textarea{min-height:150px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 4px rgba(176,141,87,.22)}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.chk{display:flex;gap:.8rem;align-items:flex-start;font-size:.95rem;color:var(--mu)}
.chk input{width:22px;height:22px;margin-top:.15rem;accent-color:var(--burg-2);flex:none}
.btn-s{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:1rem 1.8rem;border-radius:999px;border:0;cursor:pointer;font:600 1rem var(--f-d);background:var(--gold-g);background-size:200% 100%;color:var(--night);transition:transform .25s,background-position .6s}
.btn-s:hover{transform:translateY(-2px);background-position:100% 0}
.btn-s[disabled]{opacity:.6;cursor:wait}
.msg{padding:1rem 1.2rem;border-radius:14px;font-weight:500;display:none}
.msg.ok{display:block;background:#E8F1E4;color:#1F4D1C}
.msg.ko{display:block;background:#F8E1E1;color:#7A1428}
@media (prefers-color-scheme:dark){.msg.ok{background:#1E3A1F;color:#CDE8C8}.msg.ko{background:#4A1B28;color:#F3E9DA}}
.coord{background:var(--bg2);border-radius:20px;padding:1.4rem 1.6rem;margin-bottom:2rem}
.coord p{margin:.2rem 0}
@media (max-width:640px){.form{grid-template-columns:1fr}.top img{height:44px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}