:root { color-scheme: light; --ink: #173a30; --blue: #145c87; --muted: #4b6059; --line: #cbd7d1; --wash: #edf3f5; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font: 1.0625rem/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--blue); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.skip { position: absolute; top: -6rem; left: 1rem; z-index: 2; padding: .8rem; background: white; }
.skip:focus { top: 1rem; }
.preview { padding: .45rem 1rem; background: var(--ink); color: white; text-align: center; font-size: .875rem; }
.site-header, main, .site-footer { max-width: 1200px; margin: auto; padding-inline: clamp(1.25rem, 4vw, 3.5rem); }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1.2rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--blue); text-decoration: none; font-family: Helvetica, Arial, sans-serif; font-weight: 600; font-size: 1.35rem; white-space: nowrap; }
.brand img { object-fit: contain; }
nav { display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; }
nav a { color: var(--muted); text-decoration: none; font-size: .9375rem; padding-block: .5rem; }
nav a[aria-current] { color: var(--ink); text-decoration: underline; font-weight: 650; }
h1, h2 { letter-spacing: -.045em; line-height: 1.12; font-weight: 650; text-wrap: balance; }
h1 { font-size: clamp(2.7rem, 6vw, 4.8rem); margin: .6rem 0 1.5rem; }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.7rem); margin: .4rem 0 1rem; }
p { margin: 0 0 1.1rem; }
.eyebrow { font-size: .875rem; letter-spacing: .09em; text-transform: uppercase; color: var(--blue); font-weight: 650; }
.intro { max-width: 860px; padding-block: clamp(2.4rem, 5vw, 4.4rem) 2.8rem; }
.intro > p:not(.eyebrow) { max-width: 680px; }
.lead { font-size: clamp(1.15rem, 2vw, 1.4rem); line-height: 1.6; }
.button { display: inline-flex; align-items: center; gap: 1.5rem; background: var(--ink); color: white; padding: .8rem 1.2rem; border-radius: 3px; text-decoration: none; font-size: 1rem; font-weight: 550; margin-top: .5rem; }
.button:hover { background: var(--blue); }
.landscape { margin: 0; }
.landscape img { display: block; width: 100%; height: auto; border-radius: 4px; }
figcaption { color: var(--muted); font-size: .875rem; padding-block: .6rem; }
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; padding-block: 3.5rem; border-bottom: 1px solid var(--line); }
.prompts { list-style: none; margin: 0; padding: 0; }
.prompts li { padding: 1rem 0; border-top: 1px solid var(--line); font-size: 1.12rem; }
.prompts li:last-child { border-bottom: 1px solid var(--line); }
.use { background: var(--wash); padding: clamp(1.5rem, 4vw, 3rem); margin-block: 3rem; border-left: 4px solid var(--blue); }
.use p { max-width: 780px; }
.use li { margin-bottom: .7rem; }
.use code { overflow-wrap: anywhere; }
.text-link { font-weight: 650; }
.prose { max-width: 760px; padding-block: 3rem 4rem; margin-inline: auto; overflow-wrap: anywhere; }
.prose h1 { font-size: clamp(2.8rem, 6vw, 4rem); }
.prose h2 { font-size: 1.6rem; letter-spacing: -.025em; margin-top: 2.3rem; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; border-top: 1px solid var(--line); padding-block: 2rem; }
.site-footer p { color: var(--muted); font-size: .9375rem; }
.site-footer .fine { flex-basis: 100%; margin: 0; font-size: .875rem; }
@media (max-width: 640px) { .site-header { flex-direction: column; align-items: flex-start; } .split { grid-template-columns: 1fr; gap: 1rem; padding-block: 2.3rem; } .intro { padding-top: 2.5rem; } nav { gap: .4rem 1.2rem; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }