* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--background); color: var(--foreground); font-family: ui-sans-serif, system-ui, sans-serif; font-size: 17px; line-height: 1.7; }
header, main, footer { width: min(100% - 3rem, 760px); margin-inline: auto; }
header { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; padding-block: 2rem; border-bottom: 1px solid var(--border); }
header a { font-size: 1.25rem; font-weight: 650; text-decoration: none; }
header span, .updated, footer { color: var(--muted-foreground); }
main { padding-block: clamp(2.5rem, 7vw, 4.5rem); }
h1 { font-size: clamp(2.3rem, 7vw, 3.5rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.1; margin: 0 0 1rem; }
h2 { font-size: 1.4rem; font-weight: 600; letter-spacing: -.015em; line-height: 1.35; margin: 0 0 1rem; }
p { margin: 0 0 1rem; }
a { color: inherit; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--ring); outline-offset: 4px; }
nav { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; margin-block: 2rem 3rem; font-size: .9rem; }
section + section { margin-top: 2.5rem; }
ul, ol { padding-left: 1.4rem; margin-block: 1rem; }
li + li { margin-top: .8rem; }
footer { border-top: 1px solid var(--border); padding-block: 1.5rem 3rem; font-size: .85rem; }
.skip { position: absolute; top: -5rem; left: 1.5rem; padding: .5rem 1rem; background: var(--background); }
.skip:focus { top: .5rem; }
@media print { nav, .skip { display: none; } header, main, footer { width: 100%; } main { padding-block: 2rem; } }