:root {
  --parchment: #EFE9DA;
  --parchment-light: #F8F5EC;
  --ink: #2B2621;
  --stone: #8C8474;
  --stone-line: rgba(140, 132, 116, 0.35);
  --brick: #7A3226;
  --verdigris: #4F6B5C;
  --charcoal: #22201C;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--parchment);
  color: var(--ink);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

h1, h2, h3, .listing-num {
  font-family: 'Fraunces', Georgia, serif;
}

a { color: var(--brick); }
a:hover { color: var(--verdigris); }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background: var(--charcoal);
  color: var(--parchment-light);
  padding: 64px 0 48px;
}

.site-header h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.site-header .tagline {
  max-width: 62ch;
  font-size: 1.15rem;
  line-height: 1.65;
  color: #D9D2C2;
  margin: 0;
}

/* Header brand + nav row */
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.brand-row .brand {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--parchment-light);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand-row .brand:hover { color: var(--parchment-light); opacity: 0.8; }

.site-nav {
  display: flex;
  gap: 28px;
}

.site-nav a {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  color: #C9C1AD;
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--parchment-light); }

.site-nav a.is-active {
  color: var(--parchment-light);
  border-bottom-color: var(--brick);
}

/* Compact header variant for interior pages */
.site-header.is-compact { padding: 40px 0 40px; }

.site-header.is-compact h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin: 0;
}

.site-header.is-compact .brand-row { margin-bottom: 26px; }

/* Layout */
main { padding: 48px 0 64px; }

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 780px) {
  .layout { grid-template-columns: 1fr; }
}

/* Filters */
.filters {
  background: var(--charcoal);
  color: var(--parchment-light);
  padding: 28px 24px;
  border-radius: 6px;
  position: sticky;
  top: 24px;
}

@media (max-width: 780px) {
  .filters { position: static; }
}

.filter-block { margin-bottom: 22px; }

.filters label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--parchment-light);
}

.filters input[type="search"],
.filters select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--stone);
  border-radius: 4px;
  background: var(--parchment-light);
  color: var(--ink);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.95rem;
}

.filters input[type="search"]:focus,
.filters select:focus {
  outline: 2px solid var(--verdigris);
  outline-offset: 1px;
}

.checkbox-block .checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 400;
  font-size: 0.95rem;
  cursor: pointer;
}

.checkbox-block input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--verdigris);
}

.filter-note {
  font-size: 0.82rem;
  line-height: 1.5;
  color: #B9B2A0;
  margin: 0 0 18px;
}

.result-count {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--parchment-light);
  margin: 0;
  border-top: 1px solid rgba(239, 233, 218, 0.2);
  padding-top: 16px;
}

/* Listings */
.listing-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.listing {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--stone-line);
}

.listing:first-child { border-top: none; }

.listing-num {
  flex: 0 0 auto;
  width: 2.4rem;
  font-style: italic;
  font-size: 0.9rem;
  color: var(--brick);
  padding-top: 3px;
}

.listing-body { flex: 1 1 auto; min-width: 0; }

.listing-name {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 6px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
}

.listing-name a {
  color: inherit;
  text-decoration: none;
}

.listing-name a:hover { color: var(--brick); text-decoration: underline; }

.badge {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 3px;
  vertical-align: middle;
  white-space: nowrap;
}

.badge-delco {
  background: var(--verdigris);
  color: var(--parchment-light);
}

.badge-unclear {
  background: transparent;
  color: var(--stone);
  border: 1px solid var(--stone);
}

.listing-meta {
  font-size: 0.9rem;
  color: var(--stone);
  margin: 0 0 10px;
}

.listing-summary {
  max-width: 68ch;
  margin: 0 0 12px;
  line-height: 1.6;
}

.listing-contact {
  font-size: 0.9rem;
  margin: 0;
}

.listing-contact a { margin-right: 16px; }

.empty-state {
  padding: 48px 0;
  color: var(--stone);
  font-size: 1.05rem;
}

/* Guides landing page */
.guides-intro {
  max-width: 68ch;
  margin: 0 0 40px;
  line-height: 1.65;
  font-size: 1.05rem;
}

.guides-wrap {
  max-width: 760px;
}

/* Article pages */
.article-wrap {
  max-width: 760px;
}

.breadcrumb {
  margin: 0 0 28px;
  font-size: 0.9rem;
}

.breadcrumb a {
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.article-category {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brick);
  margin: 0 0 12px;
}

.article-header h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 32px;
  color: var(--ink);
}

.article-body {
  font-size: 1.08rem;
  line-height: 1.7;
  max-width: 70ch;
}

.article-body p {
  margin: 0 0 22px;
}

.article-body h2 {
  font-size: 1.4rem;
  margin: 44px 0 18px;
  line-height: 1.3;
}

.article-note {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--stone-line);
  font-size: 0.9rem;
  color: var(--stone);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background: var(--charcoal);
  color: #B9B2A0;
  padding: 32px 0;
  font-size: 0.88rem;
}

.site-footer a { color: #D9D2C2; }
.site-footer p { margin: 0; max-width: 80ch; line-height: 1.6; }