/*
 * DrivingForUber.net - road-sign styling.
 * Asphalt navy, highway yellow, flat blocks and hard edges. Headings use
 * Archivo at heavy weights (italic for emphasis), body uses Public Sans,
 * the typeface descended from US highway signage.
 */
:root {
  --paper: #fbf8f1;
  --surface: #ffffff;
  --ink: #1d232b;
  --ink-soft: #4a525c;
  --rule: #ded8cb;
  --asphalt: #1b2433;
  --asphalt-ink: #f4f1ea;
  --asphalt-soft: #aab3c2;
  --yellow: #f5b800;
  --yellow-soft: #fdf0c4;
  --link: #1f55a8;
  --link-hover: #c2410c;
  --radius: 3px;
  --wrap: 1120px;
  --prose: 700px;
  --display: "Archivo", "Arial Narrow", sans-serif;
  --body: "Public Sans", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #13171d;
    --surface: #1a2028;
    --ink: #ece8df;
    --ink-soft: #a9b0ba;
    --rule: #2e3641;
    --asphalt: #0c1016;
    --asphalt-ink: #ece8df;
    --asphalt-soft: #8b95a5;
    --yellow: #f5b800;
    --yellow-soft: #3a3214;
    --link: #8ab4f8;
    --link-hover: #f5b800;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.7 var(--body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--link-hover); }
img { max-width: 100%; height: auto; }

h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); letter-spacing: -0.01em; }
em.mark { font-style: italic; background: linear-gradient(transparent 62%, var(--yellow) 62%); padding: 0 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

/* Header: asphalt bar with a yellow centre line beneath */
.site-header { background: var(--asphalt); color: var(--asphalt-ink); border-bottom: 4px solid var(--yellow); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 28px; padding-top: 14px; padding-bottom: 14px; }
.brand { font: italic 900 1.45rem/1 var(--display); color: var(--asphalt-ink); text-decoration: none; letter-spacing: -0.02em; }
.brand span { color: var(--yellow); }
.brand small { font-size: 0.6em; font-weight: 700; font-style: normal; color: var(--asphalt-soft); margin-left: 1px; }
.brand:hover { color: var(--asphalt-ink); }
nav.primary { display: flex; flex-wrap: wrap; gap: 4px 22px; }
nav.primary a { color: var(--asphalt-ink); text-decoration: none; font: 700 0.82rem/2 var(--display); text-transform: uppercase; letter-spacing: 0.06em; }
nav.primary a:hover { color: var(--yellow); }

main { padding-bottom: 64px; }

/* Shared bits */
.kicker { font: 800 0.74rem/1 var(--display); text-transform: uppercase; letter-spacing: 0.09em; color: var(--ink-soft); text-decoration: none; }
a.kicker:hover { color: var(--link-hover); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; border-top: 3px solid var(--ink); padding-top: 10px; margin: 56px 0 8px; }
.section-head h2 { font: italic 900 1.5rem/1.2 var(--display); margin: 0; }
.section-head a { font: 700 0.85rem var(--display); text-transform: uppercase; letter-spacing: 0.05em; text-decoration: none; }
.button { display: inline-block; background: var(--yellow); color: #1b2433; padding: 12px 20px; border-radius: var(--radius); text-decoration: none; font: 800 0.95rem/1 var(--display); text-transform: uppercase; letter-spacing: 0.05em; border: 2px solid #1b2433; }
.button:hover { background: #1b2433; color: var(--yellow); }

/* Home: author-led intro */
.intro { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 40px; padding: 48px 0 8px; align-items: start; }
.intro h1 { font: 900 clamp(2.2rem, 5vw, 3.6rem)/1.02 var(--display); margin: 0 0 18px; letter-spacing: -0.03em; }
.intro h1 em { font-style: italic; }
.intro .lede { font-size: 1.15rem; color: var(--ink-soft); margin: 0 0 24px; max-width: 34em; }
.road-card { background: var(--asphalt); color: var(--asphalt-ink); border-radius: var(--radius); padding: 22px 24px; border-left: 6px solid var(--yellow); }
.road-card h2 { color: var(--asphalt-ink); font: italic 900 1.2rem/1.2 var(--display); margin: 0 0 12px; }
.road-card ol { margin: 0; padding: 0; list-style: none; counter-reset: start; }
.road-card li { counter-increment: start; display: grid; grid-template-columns: 34px 1fr; gap: 8px; padding: 10px 0; border-top: 1px solid rgba(255,255,255,0.12); }
.road-card li:first-child { border-top: 0; }
.road-card li::before { content: counter(start); font: 900 1.35rem/1.2 var(--display); color: var(--yellow); }
.road-card a { color: var(--asphalt-ink); text-decoration: none; font-weight: 600; line-height: 1.4; }
.road-card a:hover { color: var(--yellow); }

/* Home: topic blocks */
.topics { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); margin-top: 16px; }
.topic { display: block; padding: 20px 22px 22px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); text-decoration: none; color: var(--ink); background: var(--surface); }
.topic h3 { font: 800 1.15rem/1.25 var(--display); margin: 0 0 6px; }
.topic p { margin: 0 0 12px; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; }
.topic .count { font: 700 0.8rem var(--display); text-transform: uppercase; letter-spacing: 0.05em; color: var(--link); }
.topic:hover { background: var(--yellow-soft); }
.topic:hover h3 { color: var(--ink); }

/* Article rows (lists, related, home latest) */
.rows { list-style: none; margin: 0; padding: 0; }
.row { display: grid; grid-template-columns: 1fr auto; gap: 4px 24px; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.row h3 { grid-column: 1; font: 800 1.2rem/1.3 var(--display); margin: 6px 0 4px; }
.row h3 a { color: var(--ink); text-decoration: none; }
.row h3 a:hover { color: var(--link-hover); }
.row p { grid-column: 1; margin: 0; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; max-width: 46em; }
.row time { grid-column: 2; grid-row: 1 / span 3; color: var(--ink-soft); font-size: 0.85rem; white-space: nowrap; padding-top: 4px; }

/* List pages */
.list-header { padding: 44px 0 4px; max-width: var(--prose); }
.list-header h1 { font: italic 900 clamp(2rem, 4.5vw, 2.8rem)/1.05 var(--display); margin: 8px 0 10px; }
.list-header p { color: var(--ink-soft); margin: 0; font-size: 1.08rem; }
.pager { display: flex; gap: 24px; align-items: center; margin-top: 28px; color: var(--ink-soft); font: 700 0.9rem var(--display); }

/* Article */
.post { max-width: var(--prose); padding-top: 44px; }
.post h1 { font: 900 clamp(2rem, 4.6vw, 2.9rem)/1.08 var(--display); margin: 10px 0 14px; letter-spacing: -0.025em; }
.byline { display: flex; align-items: center; gap: 12px; color: var(--ink-soft); font-size: 0.92rem; padding: 12px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin-bottom: 28px; }
.byline .avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--asphalt); color: var(--yellow); display: grid; place-items: center; font: italic 900 1rem var(--display); flex: none; }
.byline a { color: var(--ink); font-weight: 700; text-decoration: none; }
.callout { background: var(--yellow-soft); border-left: 5px solid var(--yellow); padding: 12px 16px; margin: 0 0 28px; font-size: 0.95rem; border-radius: 0 var(--radius) var(--radius) 0; }
.prose { font-size: 1.06rem; }
.prose h2 { font: 800 1.6rem/1.25 var(--display); margin: 2.1em 0 0.5em; padding-left: 14px; border-left: 5px solid var(--yellow); }
.prose h3 { font: 800 1.25rem/1.3 var(--display); margin: 1.7em 0 0.4em; }
.prose img { border-radius: var(--radius); display: block; margin: 1.2em 0; border: 1px solid var(--rule); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 0.3em 0; }
.prose li::marker { color: var(--ink-soft); font-weight: 700; }
.prose table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: 0.95rem; }
.prose th { background: var(--asphalt); color: var(--asphalt-ink); font-family: var(--display); text-align: left; }
.prose th, .prose td { border: 1px solid var(--rule); padding: 9px 12px; }
.prose blockquote { background: var(--surface); border: 1px solid var(--rule); border-left: 5px solid var(--asphalt); margin: 1.4em 0; padding: 12px 18px; }
.prose pre { background: var(--surface); border: 1px solid var(--rule); padding: 12px; overflow-x: auto; border-radius: var(--radius); }

.notice { background: var(--yellow-soft); border: 1px dashed var(--yellow); padding: 10px 14px; border-radius: var(--radius); max-width: var(--prose); margin-top: 24px; }
.related { max-width: var(--prose); }

/* Simple centred messages (404/410) */
.message { padding: 72px 0 24px; max-width: var(--prose); }
.message h1 { font: italic 900 clamp(2rem, 5vw, 3rem)/1.05 var(--display); margin: 0 0 14px; }
.message p { color: var(--ink-soft); font-size: 1.1rem; }

/* Footer */
.site-footer { background: var(--asphalt); color: var(--asphalt-soft); font-size: 0.88rem; padding: 40px 0 48px; border-top: 4px solid var(--yellow); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.site-footer h4 { color: var(--asphalt-ink); font: 800 0.8rem var(--display); text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 4px 0; }
.site-footer a { color: var(--asphalt-ink); text-decoration: none; }
.site-footer a:hover { color: var(--yellow); }
.site-footer .brand { font-size: 1.25rem; display: inline-block; margin-bottom: 10px; }
.site-footer .fine { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 28px; padding-top: 18px; font-size: 0.8rem; }

@media (max-width: 760px) {
  .intro { grid-template-columns: 1fr; gap: 28px; padding-top: 32px; }
  .row { grid-template-columns: 1fr; }
  .row time { grid-column: 1; grid-row: auto; padding-top: 2px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* Images */
.author-chip { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.author-chip img { width: 48px; height: 48px; border-radius: 50%; border: 3px solid var(--yellow); object-fit: cover; }
.byline img.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 2px solid var(--yellow); flex: none; }
.hero-img { margin: 0 0 28px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); display: flex; justify-content: center; }
.hero-img img { display: block; max-height: 440px; width: auto; max-width: 100%; }
.row.has-thumb { grid-template-columns: 132px 1fr auto; }
.row .thumb { grid-row: 1 / span 3; display: block; width: 132px; height: 96px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--rule); background: var(--surface); }
.row .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.row.has-thumb > div { grid-column: 2; }
.row.has-thumb time { grid-column: 3; }

@media (max-width: 760px) {
  .row.has-thumb { grid-template-columns: 96px 1fr; gap: 4px 14px; }
  .row .thumb { width: 96px; height: 72px; }
  .row.has-thumb time { grid-column: 2; }
}