/* =====================================================================
   SITE STYLES
   ===================================================================== */

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

:root {
  --bg-cream: #F1ECE0;
  --bg-card: #FFFFFF;
  --bg-page: #FAF8F2;
  --ink: #03314B;
  --ink-soft: #4A6378;
  --ink-muted: #7A8B99;
  --accent: #0365F2;
  --accent-soft: #E6F0FF;
  --teal: #00A88E;
  --highlight: #FCE181;
  --border: #E4DFD2;
  --tip-bg: #FFF8E1;
  --tip-border: #F5C842;
  --error: #D7263D;
  --error-soft: #FCE5E8;
  --success: #0F9D58;
  --success-soft: #E6F4EA;
  --shadow-sm: 0 2px 8px rgba(3,49,75,0.06);
  --shadow-md: 0 6px 18px rgba(3,49,75,0.10);
  --shadow-lg: 0 20px 50px rgba(3,49,75,0.12);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-page);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

/* Skip link for a11y */
.skip-link {
  position: absolute; top: -40px; left: 8px;
  background: var(--ink); color: #fff; padding: 8px 16px;
  border-radius: 4px; z-index: 100;
}
.skip-link:focus { top: 8px; }

/* ===================== HEADER ===================== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 0 rgba(3,49,75,0.04);
}
.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 15px;
}

.main-nav {
  display: flex; gap: 4px; flex: 1;
}
.main-nav a {
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 0.15s;
}
.main-nav a:hover {
  color: var(--ink);
  background: var(--bg-cream);
  text-decoration: none;
}
.main-nav a.active { color: var(--accent); background: var(--accent-soft); }

.header-search {
  flex: 0 0 280px;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 13.5px;
  font-family: inherit;
  background: var(--bg-page);
  transition: border-color 0.15s;
}
.header-search input:focus {
  outline: none; border-color: var(--accent);
  background: #fff;
}
.header-search::before {
  content: '🔍';
  position: absolute;
  left: 12px; top: 50%; transform: translateY(-50%);
  font-size: 13px; opacity: 0.55;
}

.menu-toggle {
  display: none;
  background: none; border: none;
  font-size: 22px; cursor: pointer; color: var(--ink);
  padding: 6px 10px;
  margin-left: auto;
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: var(--ink);
  color: #fff;
  margin-top: auto;
  padding: 48px 24px 24px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand h3 {
  font-family: Georgia, serif;
  font-size: 20px;
  margin-bottom: 8px;
}
.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 13.5px;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--highlight);
  margin-bottom: 14px;
  font-weight: 700;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  max-width: 1180px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12.5px;
  color: rgba(255,255,255,0.5);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===================== HOME / LANDING ===================== */
.hero {
  padding: 80px 24px 60px;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-cream) 0%, #fff 100%);
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-family: Georgia, serif;
  font-size: clamp(32px, 5vw, 48px);
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: -0.8px;
  max-width: 820px; margin-left: auto; margin-right: auto;
}
.hero p {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 580px;
  margin: 0 auto 28px;
}
.hero-search {
  max-width: 540px;
  margin: 0 auto;
  position: relative;
}
.hero-search input {
  width: 100%;
  padding: 16px 24px 16px 50px;
  border: 2px solid var(--border);
  border-radius: 30px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  box-shadow: var(--shadow-md);
}
.hero-search input:focus { outline: none; border-color: var(--accent); }
.hero-search::before {
  content: '🔍';
  position: absolute;
  left: 22px; top: 50%; transform: translateY(-50%);
  font-size: 16px;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 24px;
}
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 28px; gap: 16px; flex-wrap: wrap;
}
.section-head h2 {
  font-family: Georgia, serif;
  font-size: 28px;
  color: var(--ink);
  letter-spacing: -0.4px;
}
.section-head a {
  font-size: 14px; font-weight: 600;
}

/* ===================== CARDS ===================== */
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.cluster-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.2s;
  display: block;
  color: var(--ink);
}
.cluster-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  text-decoration: none;
}
.cluster-icon {
  font-size: 32px;
  margin-bottom: 12px;
  display: inline-flex;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--accent-soft);
  align-items: center; justify-content: center;
}
.cluster-card h3 {
  font-family: Georgia, serif;
  font-size: 19px;
  margin-bottom: 6px;
}
.cluster-card p {
  color: var(--ink-soft);
  font-size: 13.5px;
  margin-bottom: 14px;
}
.cluster-meta {
  font-size: 12px;
  color: var(--ink-muted);
  display: flex; gap: 12px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.guide-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.guide-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  text-decoration: none;
}
.guide-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  opacity: 0; transition: opacity 0.2s;
}
.guide-card:hover::before { opacity: 1; }
.guide-card-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.guide-card h3 {
  font-family: Georgia, serif;
  font-size: 17px;
  margin-bottom: 8px;
  line-height: 1.3;
}
.guide-card p {
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.55;
  margin-bottom: 14px;
  flex: 1;
}
.guide-card-meta {
  display: flex; gap: 12px;
  font-size: 12px;
  color: var(--ink-muted);
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.guide-card-meta span { display: inline-flex; align-items: center; gap: 4px; }

/* ===================== PILLAR PAGE ===================== */
.pillar-hero {
  background: linear-gradient(135deg, var(--bg-cream), #fff);
  padding: 60px 24px 48px;
  border-bottom: 1px solid var(--border);
}
.pillar-hero-inner {
  max-width: 880px;
  margin: 0 auto;
}
.breadcrumbs {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 16px;
}
.breadcrumbs a { color: var(--ink-soft); font-weight: 500; }
.breadcrumbs span { margin: 0 6px; }
.pillar-hero h1 {
  font-family: Georgia, serif;
  font-size: clamp(28px, 4vw, 40px);
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.pillar-hero .lead {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.6;
}

.pillar-body {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px;
}
.pillar-body h2 {
  font-family: Georgia, serif;
  font-size: 26px;
  margin: 32px 0 14px;
  color: var(--ink);
}
.pillar-body p {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.guide-list-section {
  background: var(--bg-cream);
  padding: 56px 24px;
  border-top: 1px solid var(--border);
}
.guide-list-inner {
  max-width: 1180px;
  margin: 0 auto;
}

/* ===================== CLUSTER PAGE ===================== */
.pillar-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 24px;
}
.pillar-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.2s;
  display: block;
  color: var(--ink);
}
.pillar-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  border-color: var(--accent);
}
.pillar-card-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}
.pillar-card h2 {
  font-family: Georgia, serif;
  font-size: 22px;
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}
.pillar-card p {
  color: var(--ink-soft);
  font-size: 14.5px;
  margin-bottom: 16px;
  line-height: 1.55;
}
.pillar-card-cta {
  font-size: 13.5px;
  color: var(--accent);
  font-weight: 600;
}

/* ===================== SEARCH PAGE ===================== */
.search-results {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}
.search-results h1 {
  font-family: Georgia, serif;
  font-size: 28px;
  margin-bottom: 24px;
}
.search-result {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.search-result h3 { font-family: Georgia, serif; font-size: 18px; margin-bottom: 6px; }
.search-result h3 a { color: var(--ink); }
.search-result-meta { font-size: 12.5px; color: var(--ink-muted); margin-bottom: 6px; }
.search-result p { color: var(--ink-soft); font-size: 14px; }

/* ===================== READING PROGRESS ===================== */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  width: 0%;
  z-index: 60;
  transition: width 0.1s linear;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 760px) {
  .header-inner { padding: 12px 16px; gap: 12px; }
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-radius: 8px; font-size: 15px; }
  .header-search { display: none; }
  .header-search.show { display: block; flex: 1 1 100%; order: 99; margin-top: 8px; }

  .hero { padding: 48px 20px 40px; }
  .section { padding: 40px 20px; }
  .pillar-hero { padding: 40px 20px 32px; }
  .pillar-body { padding: 32px 20px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* =====================================================================
   DARK MODE
   ===================================================================== */
:root[data-theme="dark"] {
  --bg-cream: #1A2530;
  --bg-card: #1E2A36;
  --bg-page: #131C25;
  --ink: #E8EFF5;
  --ink-soft: #B0BFCC;
  --ink-muted: #7E8C99;
  --accent: #4F9DFF;
  --accent-soft: #1B3149;
  --teal: #00BFA0;
  --highlight: #F5C842;
  --border: #2A3744;
  --tip-bg: #2A2716;
  --tip-border: #B89020;
  --error: #FF5468;
  --error-soft: #3A1F26;
  --success: #2AC76B;
  --success-soft: #1F3A2A;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 18px rgba(0,0,0,0.35);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.45);
}

/* Theme transition smoothing */
html { transition: background-color 0.2s ease; }
body, .site-header, .site-footer, .cluster-card, .guide-card,
.pillar-card, header.site-header input, .hero-search input,
.search-result, .pillar-hero, .guide-list-section, .footer-bottom {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

/* Adjustments needed because some elements use literal colors instead of vars */
:root[data-theme="dark"] .site-header { background: var(--bg-card); }
:root[data-theme="dark"] .header-search input { background: var(--bg-page); color: var(--ink); }
:root[data-theme="dark"] .hero { background: linear-gradient(135deg, var(--bg-page) 0%, var(--bg-card) 100%); }
:root[data-theme="dark"] .hero-search input { background: var(--bg-card); color: var(--ink); }
:root[data-theme="dark"] .pillar-hero { background: linear-gradient(135deg, var(--bg-page), var(--bg-card)); }
:root[data-theme="dark"] .cluster-card,
:root[data-theme="dark"] .guide-card,
:root[data-theme="dark"] .pillar-card,
:root[data-theme="dark"] .search-result { background: var(--bg-card); color: var(--ink); }
:root[data-theme="dark"] .guide-list-section { background: var(--bg-page); }
:root[data-theme="dark"] .site-footer { background: #0B1218; }
:root[data-theme="dark"] .brand-mark { box-shadow: 0 0 0 1px rgba(255,255,255,0.1); }

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
  line-height: 1;
}
.theme-toggle:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
}
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* =====================================================================
   TAG COMPONENTS
   ===================================================================== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition: all 0.15s;
  text-decoration: none;
}
.tag-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}
.tag-chip .tag-count {
  background: var(--bg-page);
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 11px;
  color: var(--ink-muted);
  font-weight: 700;
}
.tag-chip-inline {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  margin-right: 6px;
}
.tag-chip-inline:hover { background: var(--accent); color: #fff; text-decoration: none; }

/* Tag-pick checkbox in admin form */
.tag-pick {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: #fff;
  border: 1.5px solid var(--admin-border, var(--border));
  border-radius: 16px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
  user-select: none;
}
.tag-pick:hover { border-color: var(--admin-accent, var(--accent)); }
.tag-pick input { display: none; }
.tag-pick input:checked + span { color: var(--admin-accent, var(--accent)); }
.tag-pick:has(input:checked) {
  background: var(--admin-accent-soft, var(--accent-soft));
  border-color: var(--admin-accent, var(--accent));
}
:root[data-theme="dark"] .tag-pick { background: var(--bg-card); }

/* =====================================================================
   NEWSLETTER FORM
   ===================================================================== */
.newsletter-block {
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 32px auto;
  max-width: 720px;
  text-align: center;
}
.newsletter-block h3 {
  font-family: Georgia, serif;
  font-size: 22px;
  margin-bottom: 8px;
}
.newsletter-block p {
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 18px;
}
.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 12px 18px;
  border: 1.5px solid var(--border);
  border-radius: 24px;
  font-size: 14px;
  background: var(--bg-card);
  color: var(--ink);
  font-family: inherit;
}
.newsletter-form input[type="email"]:focus { outline: none; border-color: var(--accent); }
.newsletter-form button {
  padding: 12px 22px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}
.newsletter-form button:hover { background: #0252C9; }
.newsletter-form .honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* Compact newsletter inside footer */
.footer-newsletter h4 { color: var(--highlight); }
.footer-newsletter p { color: rgba(255,255,255,0.6); font-size: 13px; margin-bottom: 12px; }
.footer-newsletter .newsletter-form input {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.2);
}
.footer-newsletter .newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }