/* ceri-anne.co.uk — graph paper theme */

:root {
  --ink: #1A2B3C;
  --ink-dim: #3B4B5C;
  --paper: #FFFFFF;
  --grid: #E3ECF5;
  --rule: #C9D6E3;
  --accent: #007A8A;
  --accent-soft: #E3F2F4;
  --accent-ink: #00525C;
  --code-bg: #F3F7FB;
  --font-display: "Bricolage Grotesque", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.6;
}

.paper {
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}

a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: 16px; top: -48px;
  background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: 6px;
}
.skip-link:focus { top: 16px; color: var(--paper); }

.wrap { max-width: 1104px; margin: 0 auto; padding: 0 24px; }

/* Header & footer */

.site-header {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 16px; padding: 32px 0;
}
.wordmark { font-size: 22px; font-weight: 700; text-decoration: none; }
.site-nav { display: flex; flex-wrap: wrap; gap: 24px; font-family: var(--font-mono); font-size: 14px; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.site-nav a[aria-current="page"] { color: var(--accent); }

.site-footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  padding: 24px 0 48px; font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim);
}
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: var(--ink-dim); }

/* Cards */

.card {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 12px;
}
.card--shadow { box-shadow: 6px 6px 0 var(--accent); }

/* Hero */

.hero { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; padding: 48px 0 80px; }
.hero-text { flex: 1 1 440px; min-width: 0; }
.hero h1 {
  margin: 0 0 20px; font-size: clamp(40px, 6vw, 64px); line-height: 1.02;
  font-weight: 700; letter-spacing: -0.02em;
}
.lede { margin: 0; font-size: 20px; line-height: 1.55; color: var(--ink-dim); max-width: 480px; }

.timeline { flex: 1 1 380px; min-width: 0; padding: 8px 28px; }
.timeline-row {
  display: flex; flex-wrap: wrap; gap: 4px 20px; padding: 18px 0;
  border-bottom: 1px dashed var(--rule);
}
.timeline-row:last-child { border-bottom: 0; }
.timeline .label { flex: 0 0 120px; font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); padding-top: 3px; }
.timeline .value { flex: 1 1 200px; font-size: 18px; font-weight: 500; }

/* Sections */

.section { padding: 0 0 80px; }
.section-label { margin: 0 0 24px; font-family: var(--font-mono); font-size: 15px; font-weight: 500; color: var(--ink-dim); }
.section-note { margin: 0; font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); }

.section--split { display: flex; flex-wrap: wrap; gap: 16px 40px; }
.section--split > :first-child { flex: 0 1 180px; }
.section--split > .card { flex: 1 1 520px; min-width: 0; }
.section--split > .card.prose { padding: 32px; }

/* App card */

.app { display: flex; flex-wrap: wrap; gap: 32px 40px; align-items: center; padding: 40px; }
.app-icon {
  flex: 0 0 auto;
  width: 112px; height: 112px; border-radius: 26px; background: #15152A;
  display: grid; grid-template-columns: repeat(3, 14px); grid-auto-rows: 14px; gap: 10px;
  align-content: center; justify-content: center;
}
.app-icon--image { display: block; object-fit: cover; }
.app-shots {
  flex: 1 1 100%; display: flex; gap: 20px;
  overflow-x: auto; padding-bottom: 4px;
}
.app-shots img {
  flex: 0 0 auto; width: min(220px, 60vw); height: auto;
  border-radius: 16px; border: 1.5px solid var(--ink);
}
.app-icon span { width: 14px; height: 14px; border-radius: 50%; background: #FFD700; }
.app-icon span:nth-child(7) { background: #00E5FF; }
.app-body { flex: 1 1 400px; min-width: 0; display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.app h3 { margin: 0; font-size: 44px; line-height: 1.1; font-weight: 700; letter-spacing: -0.01em; }
.app h3 a { text-decoration: none; }
.app p { margin: 0; font-size: 19px; line-height: 1.6; color: var(--ink-dim); }
.badge {
  font-family: var(--font-mono); font-size: 13px;
  background: var(--accent-soft); color: var(--accent-ink);
  padding: 6px 12px; border-radius: 6px;
}
.app-links { display: flex; flex-wrap: wrap; gap: 4px 20px; font-family: var(--font-mono); font-size: 14px; }
.app-links a { display: inline-flex; align-items: center; min-height: 44px; }
.button {
  padding: 0 18px; border-radius: 999px; background: var(--ink); color: var(--paper);
  text-decoration: none; font-family: var(--font-display); font-weight: 500; font-size: 15px;
}
.button:hover { color: var(--paper); background: var(--accent-ink); }

/* Post list */

.post-list { list-style: none; margin: 0; padding: 8px 32px; }
.post-list li {
  display: flex; flex-wrap: wrap; gap: 6px 20px; padding: 14px 0;
  border-bottom: 1px dashed var(--rule);
}
.post-list li:last-child { border-bottom: 0; }
.post-list time { flex: 0 0 96px; font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); padding-top: 4px; }
.post-list a { flex: 1 1 280px; font-size: 18px; font-weight: 500; text-decoration: none; }
.post-list a:hover { text-decoration: underline; }

/* Long-form pages and posts */

.sheet { max-width: 760px; margin: 16px auto 48px; padding: 48px; }
.post-meta { margin: 0 0 8px; font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); }
.back-link { max-width: 760px; margin: 0 auto 48px; font-family: var(--font-mono); font-size: 14px; }

.prose { font-size: 18px; line-height: 1.7; }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose h1 { font-size: clamp(32px, 5vw, 44px); line-height: 1.1; letter-spacing: -0.01em; margin: 0 0 24px; }
.prose h2 { font-size: 28px; line-height: 1.2; margin: 40px 0 12px; }
.prose h3 { font-size: 22px; margin: 32px 0 8px; }
.prose h4 { font-size: 18px; margin: 24px 0 8px; }
.prose p, .prose ul, .prose ol { margin: 0 0 18px; }
.prose li { margin-bottom: 6px; }
.prose img { max-width: 100%; height: auto; border-radius: 8px; display: block; margin: 8px 0 24px; }
.prose blockquote { margin: 0 0 18px; padding: 4px 20px; border-left: 3px solid var(--accent); color: var(--ink-dim); }
.prose hr { border: 0; border-top: 1px dashed var(--rule); margin: 32px 0; }
.prose table { border-collapse: collapse; display: block; overflow-x: auto; margin: 0 0 18px; }
.prose th, .prose td { border: 1px solid var(--rule); padding: 6px 10px; text-align: left; }

.prose code { font-family: var(--font-mono); font-size: 0.85em; background: var(--code-bg); padding: 2px 5px; border-radius: 4px; }
.prose pre, .prose .highlight {
  background: var(--code-bg); border: 1px solid var(--rule); border-radius: 8px;
  overflow-x: auto; margin: 0 0 18px;
}
.prose pre { padding: 16px; font-size: 14px; line-height: 1.55; }
.prose .highlight pre { margin: 0; border: 0; }
.prose pre code { background: none; padding: 0; font-size: inherit; }

/* Minimal syntax colours (Rouge) */
.highlight .c, .highlight .c1, .highlight .cm, .highlight .cs { color: #5B6B7C; font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kr, .highlight .kt { color: #8A3FA0; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sx { color: #A0430A; }
.highlight .m, .highlight .mi, .highlight .mf { color: #00525C; }
.highlight .nf, .highlight .nc, .highlight .nb { color: #1F4FA3; }

/* Talks list on About */
.talks { list-style: none; padding: 0; }
.talks li { padding: 12px 0; border-bottom: 1px dashed var(--rule); }
.talks li:last-child { border-bottom: 0; }
.talks .when { display: block; font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); }

/* Small screens */
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 24px 0 56px; gap: 32px; }
  .app { padding: 28px 24px; }
  .app h3 { font-size: 36px; }
  .sheet { padding: 28px 20px; }
  .post-list { padding: 8px 20px; }
  .timeline { padding: 8px 20px; }
}