:root{--primaire:#4f46e5;--fond:#0b0b12;--texte:#e7e7ee;--muted:#9aa0b4;--card:#15151f;--border:#262636}@media (prefers-color-scheme:light){:root{--fond:#ffffff;--texte:#15151f;--muted:#5a6072;--card:#f7f7fb;--border:#e6e6ef}}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--fond);color:var(--texte);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}.wrap{max-width:720px;margin:0 auto;padding:0 24px}.hero{padding:96px 0 56px;text-align:center}.hero h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.08;letter-spacing:-.02em;font-weight:800}.hero .sub{margin-top:18px;font-size:1.2rem;color:var(--muted)}.cta{display:inline-block;margin-top:34px;padding:16px 34px;background:var(--primaire);color:#fff;text-decoration:none;border-radius:12px;font-weight:600;font-size:1.05rem;transition:transform .12s ease,filter .12s ease}.cta:hover{transform:translateY(-2px);filter:brightness(1.08)}.contact{padding:40px 0 64px}.contact h2{font-size:1.6rem;margin-bottom:20px;text-align:center}.form{display:grid;grid-gap:12px;gap:12px;max-width:460px;margin:0 auto}.form input,.form textarea{background:var(--card);border:1px solid var(--border);color:var(--texte);padding:14px 16px;border-radius:10px;font-size:1rem;font-family:inherit}.form input:focus,.form textarea:focus{outline:2px solid var(--primaire);border-color:transparent}.form button{background:var(--primaire);color:#fff;border:0;padding:15px;border-radius:10px;font-size:1.05rem;font-weight:600;cursor:pointer}.form button:disabled{opacity:.6;cursor:default}.merci{color:var(--primaire);font-size:1.15rem;padding:28px 0}.foot,.merci{text-align:center}.foot{color:var(--muted);padding:40px 0;font-size:.9rem;border-top:1px solid var(--border);margin-top:24px}