:root { color-scheme: light; --ink: #1d1d1f; --soft: #626975; --blue: #0a63d8; --line: #dde2ea; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #f6f7f9; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.7; }
a { color: var(--blue); text-underline-offset: 3px; }
nav, main, footer { max-width: 880px; margin: auto; padding: 24px; }
nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 650; }
.brand img { border-radius: 10px; }
main { padding-top: 40px; padding-bottom: 48px; }
.eyebrow { color: var(--soft); font-size: 14px; margin: 0 0 12px; }
h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.12; letter-spacing: -.035em; margin: 0 0 24px; }
h2 { font-size: 25px; line-height: 1.3; letter-spacing: -.02em; margin: 40px 0 14px; }
h3 { font-size: 18px; line-height: 1.4; margin: 24px 0 8px; }
p, li { font-size: 17px; }
p { margin: 0 0 18px; }
li { margin: 8px 0; }
.lead { font-size: 20px; color: #424956; }
.cta { display: inline-block; padding: 11px 22px; border-radius: 12px; background: var(--blue); color: #fff; text-decoration: none; font-weight: 600; }
.note { color: var(--soft); font-size: 14px; margin-top: 12px; }
.preview { display: block; width: 100%; height: auto; border-radius: 18px; margin: 30px 0; border: 1px solid var(--line); }
.related { display: flex; flex-wrap: wrap; gap: 12px 24px; padding-left: 0; list-style: none; }
footer { border-top: 1px solid var(--line); color: var(--soft); font-size: 14px; }
footer a { margin-right: 16px; }
code { font-size: .9em; padding: 2px 5px; border-radius: 4px; background: #e7ecf4; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
@media (max-width: 500px) { nav { padding: 16px; font-size: 14px; } main, footer { padding-left: 18px; padding-right: 18px; } main { padding-top: 30px; } p, li { font-size: 16px; } .lead { font-size: 18px; } }