:root{--fond:#0a0a0c;--fond-carte:#131317;--fond-atelier:#1e1e26;--bord:#26262c;--texte:#ececf1;--texte-doux:#9a9aa5;--cyan:#45c8ea;--bleu:#658fe3;--violet:#8b5cf6;--accent:var(--bleu);--degrade:linear-gradient(135deg,var(--cyan),var(--violet))}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--fond);color:var(--texte);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:2rem;padding:1rem 2rem;background:rgba(10,10,12,.8);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--bord)}.marque{font-weight:800;letter-spacing:.06em;font-size:1.6rem}.marque span{background:var(--degrade);-webkit-background-clip:text;background-clip:text;color:transparent}.nav-liens{display:flex;gap:1.5rem;margin-left:auto;color:var(--texte-doux);font-size:.9rem;align-items:center}.nav-liens a:hover{color:var(--texte)}.hero{position:relative;text-align:center;padding:6rem 1.5rem 4rem;overflow:hidden}.hero:before{content:"";position:absolute;inset:-40% 0 auto;height:120%;background:radial-gradient(ellipse 50% 40% at 50% 30%,rgba(69,200,234,.12),transparent 70%),radial-gradient(ellipse 45% 35% at 22% 12%,rgba(139,92,246,.16),transparent 70%);pointer-events:none}.hero h1{font-size:clamp(2.2rem,6vw,4rem);line-height:1.05;margin:0 0 1.25rem;letter-spacing:-.03em}.hero h1,.hero p{position:relative}.hero p{max-width:42rem;margin:0 auto 2.5rem;color:var(--texte-doux);font-size:1.1rem;line-height:1.6}.bouton{display:inline-block;padding:.85rem 1.6rem;border:0;border-radius:999px;font-size:1rem;font-weight:600;cursor:pointer;background:var(--degrade);color:#fff}.bouton:disabled{background:#2a2a33;color:#6f6f7c;cursor:not-allowed}.bouton-discret{background:transparent;color:var(--texte);border:1px solid var(--bord)}.atelier{position:relative;max-width:46rem;margin:0 auto;padding:1.5rem;background:var(--fond-atelier);border:1px solid #34343f;border-radius:16px;box-shadow:0 18px 50px rgba(0,0,0,.45)}.atelier form{display:flex;gap:.6rem}.atelier input{flex:1 1;min-width:0;padding:.85rem 1rem;font-size:1rem;color:var(--texte);background:#101015;border:1px solid #3d3d49;border-radius:10px}.atelier input:focus{outline:2px solid rgba(101,143,227,.55);outline-offset:1px}.exemples{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.exemples button{padding:.35rem .75rem;font-size:.85rem;color:var(--texte-doux);background:transparent;border:1px solid var(--bord);border-radius:999px;cursor:pointer}.exemples button:hover{color:var(--texte);border-color:#3a3a44}.etat{margin:1.25rem 0 0;color:var(--texte-doux);font-size:.95rem}.erreur{color:#ffb4b4;background:rgba(255,90,90,.08);border:1px solid rgba(255,90,90,.25);border-radius:10px;font-size:.92rem;line-height:1.5}.erreur,.reussite{margin:1.25rem 0 0;padding:.85rem 1rem}.reussite{background:rgba(101,143,227,.1);border:1px solid rgba(101,143,227,.3);border-radius:10px}.compte{max-width:24rem;margin:5rem auto;padding:2rem;background:var(--fond-carte);border:1px solid var(--bord);border-radius:16px}.compte h1{margin:0 0 .4rem;font-size:1.5rem}.compte>p{margin:0 0 1.75rem;color:var(--texte-doux);font-size:.95rem}.compte label{display:block;margin-bottom:1rem;font-size:.85rem;color:var(--texte-doux)}.compte input{display:block;width:100%;margin-top:.35rem;padding:.7rem .85rem;font-size:1rem;color:var(--texte);background:#0e0e11;border:1px solid var(--bord);border-radius:10px}.compte input:focus{outline:2px solid rgba(101,143,227,.55);outline-offset:1px}.compte .bouton{width:100%;margin-top:.5rem}.compte .bascule{margin:1.5rem 0 0;text-align:center;font-size:.9rem;color:var(--texte-doux)}.compte .bascule a{color:var(--cyan)}.section{max-width:64rem;margin:0 auto;padding:5rem 1.5rem}.section h2{font-size:1.8rem;letter-spacing:-.02em;margin:0 0 .75rem}.section>p{color:var(--texte-doux);max-width:40rem;margin:0 0 2.5rem;line-height:1.6}.etapes{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));grid-gap:1.25rem;gap:1.25rem}.etape{padding:1.5rem;background:var(--fond-carte);border:1px solid var(--bord);border-radius:14px}.etape .numero{display:inline-flex;align-items:center;justify-content:center;width:1.9rem;height:1.9rem;margin-bottom:.9rem;border-radius:999px;background:rgba(101,143,227,.14);color:var(--cyan);font-size:.85rem;font-weight:700}.etape h3{margin:0 0 .5rem;font-size:1.05rem}.etape p{margin:0;font-size:.92rem;line-height:1.55}.etape p,.pied{color:var(--texte-doux)}.pied{border-top:1px solid var(--bord);padding:2.5rem 1.5rem;text-align:center;font-size:.85rem}.vignette{display:block;width:100%;max-width:14rem;margin-bottom:.85rem;border-radius:10px}.garde{margin:.6rem 0 0;color:var(--texte-doux);font-size:.85rem}.grille{display:grid;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));grid-gap:1.25rem;gap:1.25rem;margin-top:2rem}.piece{padding:.85rem;background:var(--fond-carte);border:1px solid var(--bord);border-radius:14px}.piece img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px;background:#0e0e11}.piece p{margin:.7rem 0 .3rem;font-size:.9rem;line-height:1.4}.piece small{color:var(--texte-doux);font-size:.78rem}