:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #0d171b; color: #e7eff0; line-height: 1.65; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #79d6e3; text-underline-offset: .2em; }
a:hover { color: #b9f2f8; }
a:focus-visible { outline: 2px solid #79d6e3; outline-offset: 5px; }
header, main, footer { width: min(100% - 40px, 860px); margin-inline: auto; }
header { padding: 30px 0 22px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #294047; }
.brand { color: #e7eff0; text-decoration: none; font-size: 1.1rem; font-weight: 700; letter-spacing: .025em; }
nav { display: flex; gap: 22px; font-size: .95rem; }
nav [aria-current="page"] { color: #e7eff0; text-decoration: none; }
main { padding: 44px 0; }
.eyebrow { color: #79d6e3; font-size: .8rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; margin: 0 0 10px; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.15; margin: 0 0 20px; letter-spacing: -.025em; }
h2 { line-height: 1.3; font-size: 1.3rem; margin: 30px 0 10px; }
p, ul, ol { margin: 0 0 18px; }
li + li { margin-top: 8px; }
.intro { color: #b8cbd0; font-size: 1.1rem; max-width: 680px; }
.panel { background: #14252b; border: 1px solid #294047; border-radius: 12px; padding: 22px 24px; margin: 28px 0; }
.panel h2 { margin-top: 0; }
.panel p:last-child { margin-bottom: 0; }
.muted { color: #a3b8be; }
footer { padding: 22px 0 36px; border-top: 1px solid #294047; color: #a3b8be; font-size: .9rem; }
@media (max-width: 480px) { header { align-items: flex-start; flex-direction: column; gap: 12px; } main { padding-top: 30px; } .panel { padding: 20px; } }