/* Base: self-hosted fonts, reset, type, page layout, header, footer, prose. Tokens live in tokens.css. */

/* Barlow and Barlow Condensed (SIL OFL 1.1, see fonts/OFL.txt), Latin subsets of the files the app bundles
   (@expo-google-fonts). Self-hosted: no request leaves this origin. */
@font-face {
  font-family: "Barlow";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/barlow-400.woff") format("woff");
}
@font-face {
  font-family: "Barlow";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/barlow-500.woff") format("woff");
}
@font-face {
  font-family: "Barlow Condensed";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/barlow-condensed-600.woff") format("woff");
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 16px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-16);
  line-height: 1.55;
  font-weight: 400;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-3);
  text-wrap: balance;
}
p { margin: 0 0 var(--space-4); }
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; }

a { color: var(--color-accent-700); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--color-accent-800); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent-700); outline-offset: 3px; }
::selection { background: rgba(89, 128, 166, 0.3); }

code, pre, kbd { font-family: var(--font-mono); font-size: 0.9em; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 10;
  padding: 10px 14px; background: var(--color-text); color: var(--color-bg);
  font-family: var(--font-heading); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; color: var(--color-bg); }

/* — layout — */
.wrap { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 32px; } }
.wrap-narrow { max-width: 820px; }

.section { padding-block: 64px; border-top: 1px solid var(--color-divider); }
@media (min-width: 960px) { .section { padding-block: 96px; } }

/* The app's section header: 13px uppercase, tracked, neutral-700, Barlow 500. */
.eyebrow {
  display: block;
  margin: 0 0 var(--space-3);
  font-family: var(--font-body); font-weight: 500;
  font-size: var(--text-13); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-neutral-700);
}
.eyebrow-accent { color: var(--color-accent-700); letter-spacing: 0.1em; }

.display { font-size: clamp(44px, 10.5vw, 88px); line-height: 0.98; letter-spacing: -0.02em; }
.title-lg { font-size: clamp(34px, 6vw, 56px); line-height: 1.02; }
.title-md { font-size: var(--text-h2); line-height: 1.1; }
.lead { font-size: clamp(17px, 2.2vw, 20px); line-height: 1.5; color: var(--color-neutral-800); max-width: 36em; }
.muted { color: var(--color-neutral-700); }
.small { font-size: var(--text-14); }

/* — header — */
.site-header { border-bottom: 1px solid var(--color-divider); }
.site-header .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px 24px; min-height: 64px; padding-block: 10px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--color-text); text-decoration: none;
  font-family: var(--font-heading); font-weight: 600; font-size: 26px; letter-spacing: -0.01em;
}
.brand:hover { color: var(--color-text); }
.brand svg { width: 30px; height: 30px; flex: none; }
.site-nav ul { display: flex; flex-wrap: wrap; gap: 4px 20px; list-style: none; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: var(--min-hit-target);
  color: var(--color-text); text-decoration: none; font-size: var(--text-15);
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--color-accent-700); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--color-accent); }
@media (max-width: 479px) {
  .site-header .wrap { gap: 0 16px; }
  .site-nav ul { gap: 0 16px; }
  .site-nav a { font-size: var(--text-14); }
}

/* — footer — */
.site-footer { border-top: 1px solid var(--color-divider); padding-block: 40px 48px; font-size: var(--text-14); }
.site-footer .wrap { display: grid; gap: 24px; }
@media (min-width: 720px) { .site-footer .wrap { grid-template-columns: 1fr auto; align-items: start; } }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 4px 20px; list-style: none; }
.site-footer a { display: inline-flex; min-height: var(--min-hit-target); align-items: center; color: var(--color-text); }
.site-footer a:hover, .site-footer a[aria-current="page"] { color: var(--color-accent-700); }
.site-footer .legal-line { color: var(--color-neutral-700); margin: 0; }

/* — prose (self-host and legal pages) — */
.prose { font-size: var(--text-17); line-height: 1.65; }
.prose h2 { font-size: 30px; margin-top: 48px; }
.prose h3 { font-size: var(--text-h4); margin-top: 32px; }
.prose > :first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: 6px; }
.prose li::marker { color: var(--color-neutral-600); }
.prose :not(pre) > code {
  padding: 1px 5px; background: var(--color-surface); border: 1px solid var(--color-divider);
  overflow-wrap: anywhere;
}
.prose strong { font-weight: 500; }

pre {
  margin: 0 0 20px; padding: 16px 18px; overflow-x: auto;
  background: var(--color-accent-900); color: var(--color-bg);
  font-size: var(--text-14); line-height: 1.6;
}
pre code { font-size: inherit; }
pre .c { color: var(--color-accent-300); }