:root{color-scheme:dark;--bg:#11151b;--card:#19202a;--ink:#eef3f8;--muted:#9caaba;--accent:#7dd3c7}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 80% 10%,#1f3440 0,transparent 35%),var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}main{width:min(920px,calc(100% - 40px));margin:auto;padding:12vh 0 7vh}.mark{display:grid;place-items:center;width:50px;height:50px;border:1px solid #42616b;border-radius:14px;color:var(--accent);font-weight:700}.eyebrow{margin:36px 0 8px;color:var(--accent);font-size:.78rem;letter-spacing:.18em}h1{max-width:700px;margin:0;font-size:clamp(2.6rem,8vw,5.8rem);line-height:1.02;letter-spacing:-.045em}.lede{max-width:620px;margin:28px 0 54px;color:var(--muted);font-size:1.15rem}section{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}article{min-height:180px;padding:24px;border:1px solid #293543;border-radius:18px;background:color-mix(in srgb,var(--card) 88%,transparent)}h2{margin:0 0 12px;font-size:1rem}article p{margin:0;color:var(--muted)}footer{margin-top:64px;color:#6e7b89;font-size:.85rem}@media(max-width:700px){section{grid-template-columns:1fr}article{min-height:0}}