/* Letterpress Type Font Identifier — styles.css */
:root {
  --bg: #f5f0e8;
  --bg-card: #faf7f2;
  --bg-card-alt: #ede8df;
  --ink: #2c2418;
  --ink-light: #5a4d3a;
  --ink-muted: #8B7355;
  --accent: #8B2252;
  --accent-hover: #6b1a3f;
  --accent-light: #fce4ec;
  --border: #d4c9b8;
  --border-light: #e8e0d2;
  --chip-bg: #fff;
  --chip-active: #8B2252;
  --chip-active-text: #fff;
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(44,36,24,0.08), 0 1px 2px rgba(44,36,24,0.06);
  --shadow-md: 0 4px 12px rgba(44,36,24,0.1);
  --font-body: Georgia, 'Times New Roman', serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container: 1120px;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 1000;
  font-family: var(--font-ui);
  font-size: 0.875rem;
}
.skip-link:focus { top: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--bg-card);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.brand-mark { color: var(--accent); flex-shrink: 0; }
.brand-name {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.site-nav {
  display: flex;
  gap: 4px;
}
.nav-link {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--ink-light);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: var(--accent-light);
}

/* Hero */
.hero-section {
  padding: 48px 0 32px;
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border-light);
}
.hero-section h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--ink);
}
.hero-sub {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  color: var(--ink-light);
  margin-bottom: 20px;
  max-width: 600px;
}
.why-note {
  background: var(--bg-card-alt);
  border-left: 4px solid var(--accent);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--ink-light);
  max-width: 680px;
}
.why-note strong { color: var(--ink); }

/* Section styles */
section { padding: 48px 0; }
section:nth-child(even) { background: var(--bg-card); }
.section-header { margin-bottom: 28px; }
.section-header h2 {
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  margin-bottom: 6px;
}
.section-header p {
  font-family: var(--font-ui);
  color: var(--ink-light);
  font-size: 0.95rem;
  max-width: 640px;
}

/* Matcher */
.matcher-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
.matcher-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.control-group {
  border: none;
  padding: 0;
}
.control-group legend {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  background: var(--chip-bg);
  border: 1.5px solid var(--border);
  color: var(--ink-light);
  padding: 6px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.3;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active {
  background: var(--chip-active);
  color: var(--chip-active-text);
  border-color: var(--chip-active);
}
.preset-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 4px;
}
.preset-label {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink-muted);
}
.preset-btn {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  color: var(--ink-light);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.preset-btn:hover { border-color: var(--accent); color: var(--accent); }
.control-actions {
  display: flex;
  gap: 10px;
  padding-top: 4px;
}
.btn {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-ghost {
  background: transparent;
  color: var(--ink-light);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--ink-muted); color: var(--ink); }

/* Results */
.matcher-results {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-height: 300px;
}
.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.results-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}
.results-count {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink-muted);
  background: var(--bg-card-alt);
  padding: 3px 10px;
  border-radius: 100px;
}
.results-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-muted);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}
.results-empty svg { margin-bottom: 12px; opacity: 0.5; }
.results-empty p { margin-bottom: 6px; }
.empty-hint { font-size: 0.82rem; opacity: 0.7; }

.results-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.result-card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 18px;
  transition: box-shadow var(--transition);
}
.result-card:hover { box-shadow: var(--shadow); }
.result-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.result-card-header h4 {
  font-size: 1.1rem;
  font-weight: 700;
}
.result-era {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--ink-muted);
  white-space: nowrap;
}
.result-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 8px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink-light);
}
.result-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.result-desc {
  font-size: 0.92rem;
  color: var(--ink-light);
  line-height: 1.55;
  margin-bottom: 10px;
}
.result-features {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.result-feature-tag {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  background: var(--accent-light);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 100px;
}
.result-no-match {
  text-align: center;
  padding: 30px;
  font-family: var(--font-ui);
  color: var(--ink-muted);
  font-size: 0.9rem;
}

/* Era browser */
.era-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 16px;
}
.era-tab {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  color: var(--ink-light);
  padding: 8px 18px;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}
.era-tab:hover { border-color: var(--accent); color: var(--accent); }
.era-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.era-region-filter {
  margin-bottom: 20px;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--ink-light);
}
.era-region-filter label { margin-right: 8px; }
.era-region-filter select {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--ink);
}
.era-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.era-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: box-shadow var(--transition);
}
.era-card:hover { box-shadow: var(--shadow-md); }
.era-card h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}
.era-card .era-years {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
}
.era-card .era-region {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.era-card p {
  font-size: 0.9rem;
  color: var(--ink-light);
  line-height: 1.5;
}
.era-card .era-sample {
  margin-top: 12px;
  font-family: Georgia, serif;
  font-size: 1.6rem;
  color: var(--ink);
  letter-spacing: 0.08em;
  padding: 10px;
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* Comparison table */
.comparison-table-wrap {
  overflow-x: auto;
  margin-bottom: 32px;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.comparison-table th {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 12px 16px;
  background: var(--bg-card-alt);
  color: var(--ink-muted);
  border-bottom: 2px solid var(--border);
}
.comparison-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
  line-height: 1.5;
}
.comparison-table tr:hover td { background: var(--bg); }

/* Handset note */
.handset-note {
  background: var(--bg-card-alt);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-light);
}
.handset-note h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.handset-note p {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--ink-light);
  line-height: 1.6;
}

/* Reference section */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.ref-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px;
  position: relative;
}
.ref-step {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 12px;
}
.ref-card h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}
.ref-card p {
  font-size: 0.9rem;
  color: var(--ink-light);
  line-height: 1.55;
}

.meta-note {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink-muted);
  padding: 16px;
  background: var(--bg-card-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--bg-card-alt);
  padding: 28px 0;
  margin-top: 32px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-text {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  opacity: 0.8;
}
.footer-nav {
  display: flex;
  gap: 16px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
}
.footer-nav a {
  color: var(--bg-card-alt);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.footer-nav a:hover { opacity: 1; }

/* Visually hidden */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .matcher-layout { grid-template-columns: 1fr; }
  .matcher-controls { order: 1; }
  .matcher-results { order: 2; }
}

@media (max-width: 640px) {
  .site-header .container { flex-direction: column; gap: 8px; padding: 10px 16px; }
  .site-nav { flex-wrap: wrap; justify-content: center; }
  .nav-link { font-size: 0.8rem; padding: 4px 8px; }
  .brand-name { font-size: 0.85rem; }
  .hero-section { padding: 32px 0 20px; }
  section { padding: 32px 0; }
  .chip { font-size: 0.78rem; padding: 5px 10px; }
  .era-tabs { gap: 3px; }
  .era-tab { font-size: 0.8rem; padding: 6px 12px; }
  .comparison-table { font-size: 0.85rem; }
  .comparison-table th, .comparison-table td { padding: 10px 10px; }
  .ref-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }
}

@media (max-width: 400px) {
  .preset-row { flex-direction: column; align-items: flex-start; }
  .control-actions { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}