:root{color-scheme:dark;--bg:#080a0d;--surface:#171918;--border:#39342b;--gold:#d6ae59;--text:#f5f1ea;--muted:#b4a99a}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font:15px/1.6 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text)}
a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.top{border-bottom:1px solid var(--border);padding:14px clamp(18px,5vw,70px);display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;gap:10px;align-items:center;font-size:11px;letter-spacing:1.5px;font-weight:750;line-height:1.2}.brand strong{color:var(--gold)}.mark{font-size:30px;color:var(--gold);border:1px solid #70582f;border-radius:10px;padding:7px}
.menu{display:flex;align-items:center;gap:15px}.demo{font-size:11px;color:var(--gold);border:1px solid #654c28;border-radius:30px;padding:6px 9px}
.cta-small{font-size:13px;color:var(--gold);font-weight:700}
main{max-width:1200px;margin:auto;padding:0 clamp(18px,5vw,50px)}
.hero{padding:clamp(80px,12vw,155px) 0 90px;border-bottom:1px solid var(--border)}
.eyebrow,.kicker{font-size:11px;font-weight:850;letter-spacing:2.2px;color:var(--gold)}
h1{font-size:clamp(42px,7vw,85px);line-height:1.07;letter-spacing:-.055em;max-width:900px;margin:17px 0 25px}
h1 span{color:var(--gold)}
.hero>p:not(.small){max-width:600px;font-size:clamp(16px,2vw,19px);color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 10px}
.button,.ghost{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:13px 20px;font-weight:800}
.button{background:var(--gold);color:#15110a}.ghost{border:1px solid var(--gold);color:var(--gold)}
.small{font-size:12px;color:var(--muted)}
.section{padding:65px 0;border-bottom:1px solid var(--border)}
h2{font-size:clamp(28px,4vw,42px);margin:9px 0 15px;letter-spacing:-.035em}
.intro,.muted{color:var(--muted)}
.intro{max-width:700px;margin-bottom:26px}
.categories{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.category{border:1px solid #564a35;background:var(--surface);color:var(--text);border-radius:13px;padding:20px 13px;min-height:96px;text-align:left;transition:border-color .15s}
.category strong{display:block;font-size:14px}.category small{color:var(--muted)}
.category.selected{background:#2b2518;border-color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold)}
.price-panel{display:flex;justify-content:space-between;gap:25px;align-items:center;background:linear-gradient(115deg,#211e18,#111412);border:1px solid #6e572f;border-radius:20px;padding:30px}
.price-panel strong{font-size:22px}.price-panel p{color:var(--muted)}
.price-right{text-align:right}.amount{display:flex;justify-content:flex-end;align-items:baseline;gap:8px;margin-bottom:15px}
.amount strong{font-size:clamp(40px,5vw,58px);color:var(--gold)}.amount span{color:var(--muted)}
.price-right .button{margin-bottom:3px}.price-right .small{max-width:270px}
.catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.program{border:1px solid var(--border);background:var(--surface);border-radius:18px;padding:23px}
.program h3{font-size:21px;margin:12px 0 9px}.program p{color:var(--muted);font-size:13px}
.tag{color:var(--gold);font-weight:850;text-transform:uppercase;font-size:10px;letter-spacing:1.5px}
.program footer{border:0;margin-top:20px;padding:0;display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.steps article{padding:22px;background:var(--surface);border:1px solid var(--border);border-radius:16px}
.steps article span{color:var(--gold);font-weight:850;font-size:12px}.steps h3{margin:12px 0 8px}.steps p{color:var(--muted);font-size:13px}
body>footer{padding:24px clamp(18px,5vw,70px);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}
@media(max-width:880px){.categories{grid-template-columns:repeat(2,1fr)}.catalog,.steps{grid-template-columns:1fr 1fr}.price-panel{align-items:start}}
@media(max-width:600px){.demo{display:none}.hero{padding:65px 0}.section{padding:44px 0}.catalog,.steps{grid-template-columns:1fr}.price-panel{display:block}.price-right{text-align:left;margin-top:15px}.amount{justify-content:flex-start}.categories{gap:8px}.category{padding:14px 10px}body>footer{display:block}}

.filters{margin:24px 0;border:1px solid var(--border);background:var(--surface);border-radius:15px;padding:16px}
.filters h3{font-size:13px;margin:8px 0 9px;color:var(--muted)}
.filter-chips{display:flex;gap:7px;flex-wrap:wrap}
.filter-chip{font-size:12px;border:1px solid #6d5836;background:transparent;color:var(--gold);border-radius:30px;padding:7px 12px}
.filter-chip.active{background:var(--gold);color:#15110a}
.filter-reset{margin-top:15px;font-size:12px;padding:8px 12px}

/* Lexique public, commun à la vitrine et au portail. */
.lexique-controls{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin:30px 0}.lexique-controls label{display:grid;gap:8px;font-weight:650;font-size:13px;color:var(--muted)}.lexique-controls input,.lexique-controls select{min-width:0;min-height:48px;padding:12px 14px;background:var(--surface);border:1px solid #6e572f;border-radius:10px;color:var(--text);font:inherit}.lexique-controls input:focus-visible,.lexique-controls select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.lexique-grid h2{font-size:24px;margin:12px 0;letter-spacing:-.02em}.term-example{border-top:1px solid var(--border);margin-top:18px;padding-top:14px}.term-example strong{font-size:11px;color:var(--gold)}.term-example p{margin:6px 0 0}@media(max-width:600px){.lexique-controls{grid-template-columns:1fr}.top{gap:10px}.menu{gap:12px}.cta-small{font-size:12px}}