:root { color-scheme: dark; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: #e9eff7; background: #0b1220; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(ellipse at 85% 20%, #162b46 0, transparent 55%); }
header, main, footer { width: min(1080px, 90%); margin-inline: auto; }
header { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #29374c; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid #8de0cf; outline-offset: 8px; }
.brand { font-weight: 650; letter-spacing: -.025em; font-size: 1.2rem; }
.mark { color: #8de0cf; font-size: 1.8rem; vertical-align: middle; margin-right: 8px; }
.label, .eyebrow { font-size: .72rem; letter-spacing: .16em; color: #8de0cf; }
.label { padding: 8px 12px; border: 1px solid #38596a; border-radius: 40px; }
main { padding-block: 80px; }
h1 { margin: 22px 0; font-size: clamp(2.5rem, 5.7vw, 4.5rem); letter-spacing: -.06em; line-height: 1.08; font-weight: 550; }
h1 span { color: #9aadc5; }
.intro { max-width: 640px; font-size: 1.05rem; line-height: 1.8; color: #b9c7d8; }
section { margin-top: 54px; padding: 28px; border: 1px solid #304058; border-radius: 16px; background: #111c2dd9; }
h2 { margin: 0 0 24px; font-size: 1rem; font-weight: 600; }
dl { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 0; }
dt { font-size: .8rem; color: #9aadc5; margin-bottom: 8px; }
dd { margin: 0; overflow-wrap: anywhere; }
.note { margin: 28px 0 0; border-top: 1px solid #29374c; padding-top: 20px; color: #9aadc5; font-size: .8rem; line-height: 1.6; }
footer { display: flex; justify-content: space-between; gap: 20px; padding-block: 25px; border-top: 1px solid #29374c; font-size: .8rem; color: #9aadc5; }
@media (max-width: 600px) { header { min-height: 80px; } .label { display: none; } main { padding-block: 50px; } dl { grid-template-columns: 1fr; } section { padding: 22px; } footer { flex-direction: column; gap: 8px; } }