:root { color-scheme: light; --ink:#162235; --muted:#5d6878; --line:#dce3ea; --brand:#175cff; --wash:#f4f7fb; }
* { box-sizing:border-box; }
body { margin:0; min-height:100vh; font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif; color:var(--ink); background:linear-gradient(145deg,#fff 0%,var(--wash) 100%); }
main { width:min(1040px,calc(100% - 40px)); min-height:100vh; margin:auto; display:grid; align-content:center; padding:56px 0; }
.brand { display:inline-flex; align-items:center; gap:12px; width:max-content; color:var(--ink); text-decoration:none; font-weight:760; letter-spacing:-.02em; }
.mark { width:34px; height:34px; display:grid; place-items:center; border-radius:10px; color:#fff; background:var(--brand); box-shadow:0 10px 28px rgba(23,92,255,.24); }
section { max-width:760px; margin-top:76px; }
.eyebrow { color:var(--brand); font-size:.82rem; font-weight:760; letter-spacing:.12em; text-transform:uppercase; }
h1 { max-width:720px; margin:16px 0 22px; font-size:clamp(2.5rem,7vw,5.4rem); line-height:.98; letter-spacing:-.055em; }
.lead { max-width:650px; margin:0; color:var(--muted); font-size:clamp(1.05rem,2.3vw,1.35rem); line-height:1.65; }
.control { margin-top:38px; padding:22px 24px; border:1px solid var(--line); border-radius:18px; background:rgba(255,255,255,.72); line-height:1.6; }
footer { margin-top:76px; display:flex; flex-wrap:wrap; gap:14px 24px; color:var(--muted); font-size:.92rem; }
footer a { color:var(--ink); text-underline-offset:4px; }
@media (max-width:600px) { main { width:min(100% - 28px,1040px); padding:32px 0; } section,footer { margin-top:52px; } .control { padding:18px; } }