/* PubOS guides and utility pages. Shares the homepage palette and type. */
@font-face { font-family: "Space Grotesk"; src: url("/assets/fonts/space-grotesk.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/assets/fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("/assets/fonts/jetbrains-mono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --paper: #F5F3EE; --paper-2: #ECE8DF; --card: #FFFFFF; --ink: #111111; --ink-2: #2E2D2A; --muted: #55534D;
  --line: rgba(17, 17, 17, .14); --blue: #2B4BFF; --blue-deep: #1A33D6; --coral: #FF7A59;
  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --f-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter: clamp(16px, 4vw, 48px);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.65 var(--f-body); overflow-wrap: break-word; }
a { color: var(--blue-deep); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 10; background: var(--card); padding: 8px 12px; }
.wrap { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }

.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; padding-block: 10px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 700 22px/1 var(--f-display); letter-spacing: -0.04em; color: var(--ink); }
.wordmark-glyph { width: 22px; height: 22px; background: var(--blue); border-radius: 6px 50% 50% 50%; }
.header-nav { display: flex; align-items: center; gap: clamp(12px, 2.5vw, 28px); flex-wrap: wrap; font-weight: 500; font-size: 15px; }
.header-nav a { color: var(--ink); text-decoration: none; }
.header-nav a:hover { text-decoration: underline; }
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 20px; border-radius: 99px; border: 1.5px solid var(--blue); background: var(--blue); color: #fff !important; font: 600 15px/1.2 var(--f-body); text-decoration: none !important; }
.btn:hover { background: var(--ink); border-color: var(--ink); }

.crumbs { font: 500 13px/1.4 var(--f-mono); color: var(--muted); margin: clamp(28px, 5vw, 56px) 0 18px; }
.crumbs a { color: var(--muted); }
.eyebrow { font: 600 12.5px/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--ink); margin: 0 0 12px; }
h1, h2, h3 { font-family: var(--f-display); letter-spacing: -0.03em; line-height: 1.1; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 600; margin: 0 0 18px; max-width: 22ch; letter-spacing: -0.045em; }
.lead { font-size: clamp(1.08rem, 1.6vw, 1.25rem); color: var(--ink-2); max-width: 62ch; margin: 0 0 14px; }
.meta { font: 500 13px/1.5 var(--f-mono); color: var(--muted); margin: 0 0 clamp(28px, 4vw, 44px); }

.article { display: grid; gap: clamp(28px, 5vw, 64px); grid-template-columns: minmax(0, 1fr); padding-bottom: clamp(40px, 6vw, 80px); }
@media (min-width: 1000px) { .article { grid-template-columns: minmax(0, 68ch) minmax(0, 1fr); } }
.prose { max-width: 68ch; }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); font-weight: 600; margin: 2.2em 0 .6em; }
.prose h3 { font-size: 1.2rem; font-weight: 600; margin: 1.8em 0 .4em; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: .4em 0; }
.prose li::marker { color: var(--blue); font-weight: 600; }
.prose code { font: 500 .88em/1.4 var(--f-mono); background: var(--paper-2); padding: .1em .35em; border-radius: 5px; }
.prose pre { background: var(--ink); color: var(--paper); padding: 18px 20px; border-radius: 14px; overflow-x: auto; }
.prose pre code { background: none; color: inherit; padding: 0; font-size: 14px; line-height: 1.6; }
.table-scroll { overflow-x: auto; margin: 1.5em 0; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 520px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.prose th { font: 600 12.5px/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; background: var(--paper-2); }
.prose tr:last-child td { border-bottom: 0; }

.faq { margin-top: 3em; padding-top: 2em; border-top: 1px solid var(--line); }
.faq h2 { margin-top: 0; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font: 600 1.05rem/1.4 var(--f-display); letter-spacing: -0.01em; }
.faq details p { margin: .6em 0 0; }

.aside { align-self: start; display: grid; gap: 18px; }
@media (min-width: 1000px) { .aside { position: sticky; top: 24px; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.card h2 { font-size: 1.15rem; font-weight: 600; margin: 0 0 8px; }
.card p { margin: 0 0 14px; color: var(--ink-2); font-size: 15.5px; }
.card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15.5px; }

.guide-list { list-style: none; padding: 0; margin: 0 0 clamp(40px, 6vw, 80px); display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.guide-list a { display: block; height: 100%; text-decoration: none; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; transition: border-color .2s; }
.guide-list a:hover { border-color: var(--blue); }
.guide-list h2 { font-size: 1.35rem; font-weight: 600; margin: 0 0 10px; }
.guide-list p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

.handoff { min-height: 70vh; display: grid; place-content: center; text-align: center; gap: 8px; padding: 40px var(--gutter); }
.handoff h1 { margin-inline: auto; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.handoff .wordmark { justify-self: center; margin-bottom: 12px; }

.site-footer { background: var(--ink); color: #C9C6BE; padding: 36px 0; font-size: 14.5px; }
.site-footer a { color: #F5F3EE; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }
.site-footer p { margin: 0; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }