:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#f5f7fa;background:#07111f;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea,select{font:inherit}.app-shell{min-height:100vh;display:grid;place-items:center;padding:2rem;background:radial-gradient(circle at top,rgba(56,116,255,.2),transparent 40%),#07111f}.foundation-card{width:min(720px,100%);padding:clamp(2rem,5vw,4rem);border:1px solid rgba(255,255,255,.14);border-radius:1.5rem;background:#09182be0;box-shadow:0 24px 80px #00000052}.eyebrow{margin:0 0 .75rem;font-size:.75rem;font-weight:700;letter-spacing:.18em}h1{margin:0;font-size:clamp(2.2rem,6vw,4.5rem);line-height:.98}.intro{margin:1.5rem 0 0;max-width:60ch;color:#bdc7d6;line-height:1.65}.architecture-list{display:grid;gap:.75rem;margin:2rem 0 0;padding:0;list-style:none}.architecture-list li{padding:.9rem 1rem;border:1px solid rgba(255,255,255,.1);border-radius:.75rem;background:#ffffff0a}