:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #243540; background: #f5f7f7; line-height: 1.65; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { width: min(100% - 3rem, 52rem); margin-inline: auto; }
header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 1.6rem; border-bottom: 1px solid #d8e0e0; }
a { color: #176158; text-underline-offset: .18em; }
a:hover { color: #103c37; }
.brand { font-weight: 750; color: #243540; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .92rem; }
main { padding-block: 3.5rem; }
.eyebrow { color: #4b7069; text-transform: uppercase; font-size: .76rem; font-weight: 700; letter-spacing: .12em; margin: 0 0 .8rem; }
h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); line-height: 1.12; letter-spacing: -.035em; margin: 0 0 1.4rem; }
h2 { font-size: 1.3rem; line-height: 1.3; margin: 0 0 .75rem; }
.intro { font-size: 1.2rem; color: #425861; margin-bottom: 2.4rem; }
.date { color: #5d6b71; font-size: .9rem; }
section { margin-top: 2.2rem; }
p { margin: .7rem 0; }
code { font-size: .92em; background: #e8eeee; padding: .12rem .3rem; border-radius: .2rem; overflow-wrap: anywhere; }
aside { background: #e7efed; border-radius: .6rem; padding: 1.4rem; margin-top: 2.5rem; }
footer { display: flex; flex-wrap: wrap; gap: 1rem; border-top: 1px solid #d8e0e0; padding-block: 1.5rem 2rem; font-size: .85rem; }
footer span { margin-left: auto; color: #5d6b71; }
@media (max-width: 520px) { header { align-items: flex-start; flex-direction: column; gap: .6rem; } main { padding-block: 2.3rem; } footer span { margin-left: 0; width: 100%; } }