:root{color-scheme:dark;--bg:#071019;--panel:#102332;--line:#285064;--text:#eefaff;--muted:#a8bfcd;--cyan:#5ee6ff;--green:#78f0b3}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 75% 0,#123b52 0,transparent 34rem),var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}.shell{width:min(920px,calc(100% - 1.2rem));margin:auto}header{border-bottom:1px solid rgba(94,230,255,.18);background:rgba(7,16,25,.9)}header .shell{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{font-weight:850;text-decoration:none}.back{color:var(--cyan)}main{padding:clamp(2.5rem,7vw,5rem) 0}h1{font-size:clamp(2.25rem,7vw,4.5rem);line-height:1.04;letter-spacing:-.04em;margin:.2rem 0 1rem}.lede{max-width:720px;color:var(--muted);font-size:1.12rem}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:2rem}.card{background:linear-gradient(145deg,rgba(16,35,50,.98),rgba(10,25,36,.98));border:1px solid var(--line);border-radius:20px;padding:1.35rem}.tag{display:inline-flex;border-radius:999px;padding:.35rem .65rem;background:rgba(120,240,179,.12);color:var(--green);font-size:.78rem;font-weight:850;letter-spacing:.07em;text-transform:uppercase}.card h2{margin:1rem 0 .55rem}.card p,.card li{color:var(--muted)}ul{padding-left:1.2rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;border-radius:999px;padding:.75rem 1rem;background:var(--cyan);color:#031018;text-decoration:none;font-weight:850;margin-top:.5rem}.secondary{background:#193a4e;color:var(--text);border:1px solid #376079}.note{margin-top:1rem;padding:1rem;border-radius:14px;background:rgba(94,230,255,.08);border:1px solid rgba(94,230,255,.22);color:#cceaf4}.actions{display:flex;gap:.65rem;flex-wrap:wrap}footer{padding:2rem 0 4rem;color:var(--muted)}@media(max-width:700px){.grid{grid-template-columns:1fr}}