/* ================================
   Ian's site — minimal, slow, considered
   ================================ */

:root {
  --bg: #fdfcf9;
  --bg-secondary: #f4f1ea;
  --text-primary: #1a1918;
  --text-secondary: #5a5854;
  --text-tertiary: #8a8782;
  --border-tertiary: rgba(0, 0, 0, 0.08);
  --border-secondary: rgba(0, 0, 0, 0.18);
  --accent: #1a1918;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 680px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1918;
    --bg-secondary: #232220;
    --text-primary: #f0ede6;
    --text-secondary: #b5b1a8;
    --text-tertiary: #807c75;
    --border-tertiary: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.2);
    --accent: #f0ede6;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--text-secondary); }

/* ---- Layout ---- */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ---- Nav ---- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 0.5px solid var(--border-tertiary);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.nav-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 0.5px solid var(--text-primary);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 14px;
  font-style: italic;
}

.nav-name {
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 13px;
  color: var(--text-secondary);
}

.nav-links a.active { color: var(--text-primary); font-weight: 500; }

/* ---- Footer ---- */
.footer {
  margin-top: auto;
  padding: 36px 0;
  border-top: 0.5px solid var(--border-tertiary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-tertiary);
}

.footer-links {
  display: flex;
  gap: 18px;
  color: var(--text-secondary);
}

/* ---- Hero ---- */
.hero {
  padding: 80px 0 64px;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 16px;
  font-weight: 500;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 44px;
  line-height: 1.1;
  font-weight: 500;
  margin: 0 0 20px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  max-width: 540px;
}

.hero p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
  max-width: 480px;
}

/* ---- Section heads ---- */
.section { padding: 56px 0; border-top: 0.5px solid var(--border-tertiary); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.section-title-num {
  font-family: var(--font-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--text-tertiary);
}

.section-title h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}

.section-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-intro {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 28px;
  max-width: 480px;
  font-style: italic;
  font-family: var(--font-serif);
}

/* ---- Work cards ---- */
.work-placeholder {
  background: transparent;
  border: 0.5px dashed var(--border-secondary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}

.work-placeholder-eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 8px;
  font-weight: 500;
}

.work-placeholder-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-style: italic;
  color: var(--text-secondary);
  margin: 0 0 4px;
}

.work-placeholder-sub {
  font-size: 13px;
  color: var(--text-tertiary);
  margin: 0;
}

.work-card {
  background: var(--bg);
  border: 0.5px solid var(--border-tertiary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}

.work-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.badge {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

.badge-info {
  background: rgba(55, 138, 221, 0.12);
  color: #185fa5;
}
@media (prefers-color-scheme: dark) {
  .badge-info { background: rgba(55, 138, 221, 0.2); color: #85b7eb; }
}

.work-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.work-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ---- Notes index ---- */
.notes-list { display: grid; gap: 0; }

.note-row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-top: 0.5px solid var(--border-tertiary);
}
.note-row:last-child { border-bottom: 0.5px solid var(--border-tertiary); }

.note-row:hover h3 { color: var(--text-secondary); }

.note-row-date {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.note-row h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
  transition: color 0.2s;
}

.note-row p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .note-row { grid-template-columns: 1fr; gap: 6px; }
  .note-row-date { font-size: 11px; }
}

/* ---- Single note page ---- */
.breadcrumb {
  padding: 28px 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-tertiary);
}
.breadcrumb a:hover { color: var(--text-secondary); }
.breadcrumb .current { color: var(--text-secondary); }

.note-article {
  padding-top: 40px;
  padding-bottom: 24px;
}

.note-header { margin-bottom: 40px; }

.note-header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.note-date {
  font-size: 12px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.note-readtime { font-size: 12px; color: var(--text-tertiary); }
.note-dot { font-size: 12px; color: var(--text-tertiary); }

.note-header h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 1.15;
  font-weight: 500;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.note-dek {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
  font-style: italic;
}

.note-divider {
  border-top: 0.5px solid var(--border-tertiary);
  margin-bottom: 32px;
}

.note-section {
  margin-bottom: 40px;
}

.note-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.note-section-num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-tertiary);
  font-style: italic;
}

.note-section h2 {
  font-size: 18px;
  font-weight: 500;
  margin: 0;
}

.note-prose p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  margin: 0 0 16px;
}

.note-prose p:last-child { margin-bottom: 0; }

.note-prose em { font-style: italic; }
.note-prose strong { font-weight: 500; }

.tile-stack { display: grid; gap: 12px; }

.tile {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
}

.tile-title {
  font-size: 13px;
  font-weight: 500;
  margin: 0 0 4px;
  color: var(--text-primary);
}

.tile-body {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

.numbered-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.numbered-list li {
  padding: 12px 0 12px 36px;
  position: relative;
  border-bottom: 0.5px solid var(--border-tertiary);
  font-size: 15px;
  line-height: 1.6;
}
.numbered-list li:last-child { border-bottom: none; }

.numbered-list li::before {
  content: attr(data-num);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-tertiary);
  font-style: italic;
}

.pullquote {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.5;
  color: var(--text-primary);
  margin: 0 0 16px;
  padding-left: 16px;
  border-left: 2px solid var(--border-secondary);
  font-style: italic;
}

.duo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.duo-card {
  padding: 16px;
  border: 0.5px solid var(--border-tertiary);
  border-radius: var(--radius-lg);
}

.duo-card-eyebrow {
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 8px;
}

.duo-card-body {
  font-size: 14px;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.5;
}

.note-block {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.numbered-large {
  display: grid;
  gap: 18px;
}

.numbered-large-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.numbered-large-num {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--text-tertiary);
  font-style: italic;
  line-height: 1;
  min-width: 24px;
}

.numbered-large-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
}

.numbered-large-item .footnote {
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.5;
  margin-top: 8px;
}

.benediction {
  text-align: center;
  padding: 16px 0 32px;
}

.benediction p {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.5;
  color: var(--text-primary);
  margin: 0 auto;
  font-style: italic;
  max-width: 440px;
}

.divider-mark {
  text-align: center;
  padding-bottom: 24px;
}

.divider-mark span {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--border-secondary);
}

.note-meta-footer {
  border-top: 0.5px solid var(--border-tertiary);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: 12px;
}

.note-meta-footer a, .note-meta-footer .filed-tag {
  color: var(--text-secondary);
}

/* ---- Read next ---- */
.read-next {
  background: var(--bg-secondary);
  border-top: 0.5px solid var(--border-tertiary);
  padding: 40px 0;
  margin-top: 32px;
}

.read-next-eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 16px;
  font-weight: 500;
}

.read-next-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.read-next-card {
  background: var(--bg);
  border: 0.5px solid var(--border-tertiary);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: block;
}

.read-next-card:hover h3 { color: var(--text-secondary); }

.read-next-card-meta {
  font-size: 11px;
  color: var(--text-tertiary);
  margin: 0 0 6px;
  font-family: var(--font-mono);
}

.read-next-card h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 6px;
  transition: color 0.2s;
}

.read-next-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .read-next-grid { grid-template-columns: 1fr; }
  .duo-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .note-header h1 { font-size: 28px; }
  .footer { flex-direction: column; gap: 16px; align-items: flex-start; }
}