:root{--coal:#0f1012;--panel:#1a1b1e;--panel2:#141517;--line:#34363b;--gold:#d6a84a;--goldlight:#f5d988;--wine:#8d2734;--ink:#f7f3ea;--muted:#cfc9bf;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-padding-top:5rem}
body{margin:0;font-family:"DM Sans",system-ui,sans-serif;color:var(--ink);background:var(--coal);line-height:1.6;border-top:3px solid var(--gold)}
h1,h2,h3{font-family:"Playfair Display",Georgia,serif;line-height:1.2;margin:0}
p{margin:0}
a{color:var(--goldlight)}
:focus-visible{outline:3px solid var(--goldlight);outline-offset:3px}
.wrap{max-width:68rem;margin:0 auto;padding:0 1.25rem}
.narrow{max-width:44rem}

/* navigation */
.nav{position:sticky;top:0;z-index:10;background:rgba(15,16,18,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:3.5rem;flex-wrap:wrap}
.brand{font-family:"Playfair Display",serif;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.brand span{color:var(--gold)}
.nav ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav li a{display:block;padding:.45rem .8rem;border-radius:.5rem;color:var(--muted);text-decoration:none;font-weight:500}
.nav li a:hover{color:var(--ink);background:#222327}
.nav li a[aria-current=page]{color:var(--goldlight);background:#221c10}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:2.9rem;border-radius:.6rem;padding:.7rem 1.2rem;font:700 1rem "DM Sans",sans-serif;cursor:pointer;border:1px solid transparent;text-decoration:none;transition:filter .15s}
.btn:hover:not(:disabled){filter:brightness(1.1)}
.btn:disabled{opacity:.46;cursor:not-allowed}
.btn-gold{background:var(--gold);color:#18130a;border-color:#e3bb66}
.btn-wine{background:var(--wine);color:#fff7f3;border-color:#a93a48}
.btn-ghost{background:#222327;color:#f1ede5;border-color:#4a4c52}

/* accueil */
.hero{position:relative;overflow:hidden;padding:4.5rem 0 4rem;background:linear-gradient(180deg,#15161a,var(--coal) 420px)}
.hero .kanji{position:absolute;right:-1rem;top:-2rem;font-family:"Playfair Display",serif;font-size:min(34rem,90vw);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(214,168,74,.35);user-select:none;pointer-events:none}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(2.6rem,8vw,4.8rem);max-width:12ch}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero .lead{max-width:34rem;margin-top:1.25rem;font-size:1.15rem;color:var(--muted)}
.hero .actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2rem}
.status{margin-top:2.5rem;display:inline-flex;gap:.75rem;align-items:center;border:1px solid #6b5527;background:#221c10;color:var(--goldlight);border-radius:.6rem;padding:.7rem 1rem;max-width:34rem}
.status .dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--gold);flex:none}

section.block{padding:3.5rem 0;border-top:1px solid #23252a}
.block h2{font-size:clamp(1.7rem,4vw,2.2rem)}
.block .sub{color:var(--muted);margin-top:.6rem;max-width:40rem}
.steps{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:.8rem;overflow:hidden;counter-reset:s}
.steps li{background:var(--panel);padding:1.25rem 1.4rem;counter-increment:s;display:grid;grid-template-columns:2.4rem 1fr;gap:.9rem}
.steps li::before{content:counter(s);font-family:"Playfair Display",serif;font-size:1.8rem;color:var(--gold);line-height:1}
.steps strong{display:block;font-size:1.05rem}
.steps span{color:var(--muted)}

/* pages de contenu */
.page-head{padding:3rem 0 1.5rem;background:linear-gradient(180deg,#15161a,var(--coal))}
.page-head h1{font-size:clamp(2rem,6vw,3rem)}
.page-head p{color:var(--muted);margin-top:.7rem;max-width:36rem}
.rules{counter-reset:r;list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.75rem}
.rules li{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:.6rem;padding:1rem 1.2rem}
.rules strong{display:block;margin-bottom:.15rem}
.rules span{color:var(--muted)}
details{background:var(--panel);border:1px solid var(--line);border-radius:.6rem;padding:0 1.2rem;margin-top:.75rem}
summary{cursor:pointer;padding:1rem 0;font-weight:700}
details p{color:var(--muted);padding-bottom:1rem}
.note{border:1px solid #6b5527;background:#221c10;color:var(--goldlight);border-radius:.6rem;padding:.85rem 1rem}

/* formulaire */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:1rem;padding:1.5rem;box-shadow:0 12px 32px rgba(0,0,0,.35)}
@media(min-width:640px){.panel{padding:2rem}}
.layout{display:grid;gap:1.5rem;padding:2rem 0 4rem}
@media(min-width:960px){.layout{grid-template-columns:minmax(0,1fr) 19rem;align-items:start}}
.progress{display:flex;gap:.5rem;margin-bottom:1.5rem}
.seg{height:6px;flex:1;border-radius:99px;background:#2c2e33;overflow:hidden}
.seg::after{content:"";display:block;height:100%;width:0;background:var(--gold);transition:width .25s}
.seg.done::after{width:100%}.seg.current::after{width:55%}
.view,.step-card{display:none}
.view.active,.step-card.active{display:block;animation:reveal .28s ease both}
@keyframes reveal{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.view.active,.step-card.active{animation:none}}
.step-card h2{font-size:1.7rem;margin-top:.25rem}
.step-card .kicker{color:#e0b458;font-weight:700;font-size:.9rem}
.step-card .desc{color:var(--muted);margin-top:.5rem}
.grid2{display:grid;gap:1.25rem;margin-top:1.5rem}
@media(min-width:640px){.grid2{grid-template-columns:1fr 1fr}.full{grid-column:1/-1}}
label.fl{display:block;margin-bottom:.45rem;font-weight:600}
.field{width:100%;display:block;border:1px solid #4a4c52;background:#0d0e10;color:var(--ink);border-radius:.6rem;padding:.8rem .95rem;font:inherit;line-height:1.5;transition:.15s}
textarea.field{min-height:7rem;resize:vertical}
.field:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(214,168,74,.28)}
.field.invalid{border-color:#ef6475;box-shadow:0 0 0 3px rgba(239,100,117,.18)}
.error-box{display:none;margin-top:1.25rem;border:1px solid #a93a48;border-left-width:4px;background:#2a1418;color:#ffe3e7;border-radius:.5rem;padding:.75rem .95rem}
.error-box.visible{display:block}
.check{display:flex;gap:.8rem;align-items:flex-start;border:1px solid var(--line);background:var(--panel2);border-radius:.6rem;padding:1rem;cursor:pointer}
.check input{width:1.15rem;height:1.15rem;accent-color:var(--gold);margin-top:.25rem;flex:none}
.nav-row{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-top:2rem}
.nav-row .right{display:flex;gap:.75rem}
@media(max-width:640px){.nav-row,.nav-row .right{flex-direction:column-reverse;align-items:stretch}.nav-row .btn{width:100%}}
.hidden{display:none!important}.invisible{visibility:hidden}
.center{text-align:center}
.seal{width:4rem;height:4rem;margin:0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#221c10;border:1px solid #6b5527;color:var(--goldlight);font-family:"Playfair Display",serif;font-size:1.9rem}
.sum-group{margin-top:1.25rem}
.sum-group h3{font-size:1.2rem}
.sum-row{border-bottom:1px solid #2c2e33;padding:.75rem 0}
.sum-label{color:var(--goldlight);font-size:.85rem;font-weight:700}
.sum-val{margin-top:.2rem;white-space:pre-wrap;overflow-wrap:anywhere}
.tips h2{font-size:1.2rem}.tips ul{padding-left:1.1rem;color:var(--muted)}.tips li{margin-top:.6rem}
.statusline{min-height:1.25rem;margin-top:1.25rem;font-size:.92rem;color:var(--muted)}
.statusline.error{color:#ff9aa7}.statusline.success{color:var(--goldlight)}
footer{border-top:1px solid #2c2e33;padding:2rem 0;color:#a9a399;font-size:.92rem}
footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}