:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #10191e; color: #e7eeed; }
body { max-width: 760px; margin: 12vh auto; padding: 0 24px; line-height: 1.7; }
header { color: #9dd9c6; letter-spacing: .12em; font-size: .85rem; }
h1 { font-size: clamp(2rem, 7vw, 3.5rem); line-height: 1.15; font-weight: 600; }
p { color: #bacacb; max-width: 580px; }
section { border-top: 1px solid #31464b; margin-top: 48px; padding-top: 24px; }
footer { margin-top: 64px; color: #839a9d; font-size: .85rem; }