/* ============================================
   ANALYVA — SHARED DESIGN SYSTEM
   Used by Jekyll layouts (/validation, /cite, /blog, posts).
   The homepage keeps its own inline CSS for now.
   ============================================ */

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

:root {
  --bg-primary: #050816;
  --bg-secondary: #0a0f24;
  --bg-card: #0d1230;
  --bg-card-hover: #111640;
  --accent: #ff3a5c;
  --accent-light: #ff6b85;
  --accent-glow: rgba(255, 58, 92, 0.3);
  --accent-subtle: rgba(255, 58, 92, 0.08);
  --text-primary: #f0f0f5;
  --text-secondary: #8a8fb5;
  --text-muted: #5a5f82;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 58, 92, 0.3);
  --glass: rgba(13, 18, 48, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --gradient-accent: linear-gradient(135deg, #ff3a5c 0%, #ff6b85 50%, #ff8fa3 100%);
  --gradient-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-glow: 0 0 60px rgba(255, 58, 92, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 16px 64px rgba(0, 0, 0, 0.4);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: all 0.3s ease; }
a:hover { color: var(--accent-light); }

::selection { background: var(--accent); color: #fff; }

/* AMBIENT BACKGROUND (kept subtle on content pages) */
.ambient-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,58,92,0.06) 0%, transparent 70%);
  top: -200px; right: -200px;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(102,126,234,0.05) 0%, transparent 70%);
  bottom: -150px; left: -150px;
}
.grid-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* NAV — same look as the homepage */
nav.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 72px;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(5, 8, 22, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: all 0.4s ease;
}
nav.site-nav.scrolled {
  background: rgba(5, 8, 22, 0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
nav.site-nav .logo {
  font-size: 20px; font-weight: 800; color: #fff;
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; letter-spacing: -0.3px;
}
nav.site-nav .logo img { height: 30px; width: 30px; filter: drop-shadow(0 0 8px rgba(255,58,92,0.4)); }
nav.site-nav .logo .red { color: var(--accent); }
nav.site-nav ul { list-style: none; display: flex; gap: 8px; align-items: center; }
nav.site-nav ul li a {
  color: var(--text-secondary);
  font-size: 13px; font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
}
nav.site-nav ul li a:hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
  text-decoration: none;
}
nav.site-nav ul li a.active { color: #fff; background: rgba(255,255,255,0.05); }
nav.site-nav ul li.cta a {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 8px 20px;
}
nav.site-nav ul li.cta a:hover {
  background: var(--accent-light);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.mobile-menu-btn {
  display: none;
  background: none; border: none;
  cursor: pointer; padding: 8px;
  flex-direction: column; gap: 5px;
}
.mobile-menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.mobile-nav {
  display: none;
  position: fixed; inset: 0;
  background: rgba(5,8,22,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 20px; font-weight: 600;
  color: var(--text-secondary);
  padding: 12px 32px;
  transition: color 0.3s;
}
.mobile-nav a:hover { color: #fff; text-decoration: none; }

/* BUTTONS */
.btn {
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px; font-weight: 600;
  cursor: pointer; border: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans);
  position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 8px 40px rgba(255,58,92,0.4);
  transform: translateY(-2px);
  text-decoration: none;
  color: #fff;
}
.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  text-decoration: none;
  color: #fff;
}
.btn-sm { padding: 10px 20px; font-size: 13px; }

/* PAGE / SECTION SCAFFOLD */
main.site-main { position: relative; z-index: 1; padding-top: 72px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 40px; }

.page-header {
  text-align: center;
  padding: 96px 40px 56px;
  position: relative; z-index: 1;
}
.page-header .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}
.page-header .eyebrow::before, .page-header .eyebrow::after {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent);
  opacity: 0.4;
}
.page-header h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 20px;
}
.page-header .subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* PROSE — the shared style for /validation, /cite, and blog post bodies */
.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px 96px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}
.prose h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 56px 0 20px;
  color: #fff;
  scroll-margin-top: 100px;
}
.prose h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 40px 0 12px;
  color: #fff;
  scroll-margin-top: 100px;
}
.prose p { margin-bottom: 20px; color: var(--text-secondary); }
.prose ul, .prose ol { margin: 0 0 24px 24px; color: var(--text-secondary); }
.prose li { margin-bottom: 8px; }
.prose strong { color: #fff; font-weight: 600; }
.prose a { color: var(--accent-light); border-bottom: 1px solid rgba(255,107,133,0.3); }
.prose a:hover { color: #fff; border-bottom-color: var(--accent); }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 24px;
  margin: 24px 0;
  color: var(--text-secondary);
  font-style: italic;
}
.prose code {
  background: rgba(255,255,255,0.05);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: #ffb4c1;
}
.prose pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 24px 0;
}
.prose pre code {
  background: transparent;
  padding: 0;
  color: var(--text-primary);
}
.prose hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}
.prose img {
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin: 24px 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.prose table th, .prose table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.prose table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* CARDS (used by /validation study list, /blog post list) */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 96px;
  position: relative; z-index: 1;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 32px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.card h3 a { color: #fff; }
.card h3 a:hover { color: var(--accent-light); text-decoration: none; }
.card .meta {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  font-weight: 600;
}
.card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.card .card-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.card .badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-subtle);
  border: 1px solid rgba(255,58,92,0.2);
  color: var(--accent);
  font-size: 11px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 100px;
  font-family: var(--font-mono);
}

/* CITATION BLOCKS (for /cite page) */
.citation-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 16px 0 32px;
  position: relative;
}
.citation-block .citation-label {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.citation-block .citation-label span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  font-weight: 700;
}
.citation-block pre {
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.copy-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.3s ease;
}
.copy-btn:hover {
  background: var(--accent-subtle);
  border-color: rgba(255,58,92,0.3);
  color: var(--accent);
}
.copy-btn.copied {
  background: rgba(74, 222, 128, 0.1);
  border-color: rgba(74, 222, 128, 0.3);
  color: #4ade80;
}

/* CITATION PICKER (dropdown-driven citation block, /cite page) */
.citation-picker {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 16px 0 32px;
}
.citation-picker pre {
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.citation-picker-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.citation-picker-header label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 700;
}
.style-select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%238a8fb5'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}
.style-select:hover { border-color: var(--border-hover); }
.style-select:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.citation-status {
  font-size: 12px;
  font-weight: 600;
  color: #4ade80;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.citation-status.show { opacity: 1; transform: translateY(0); }
.citation-display { margin-bottom: 18px; }
.citation-downloads {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.citation-downloads .download-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-right: 2px;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 8px;
}

/* ============================================
   BLOG — GALLERY CARDS (masonry, per-post color, parallax hover)
   ============================================ */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 300px;
  grid-auto-flow: dense;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 96px;
  position: relative;
  z-index: 1;
}

.gallery-card {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  cursor: pointer;
  text-decoration: none;
  transform-style: preserve-3d;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  will-change: transform;
  color: #fff;
  min-height: 300px;
  display: flex;
  flex-direction: column;
}

.gallery-card:hover {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  text-decoration: none;
  color: #fff;
}

/* Sizes — spans the grid */
.gallery-card.size-small  { grid-column: span 1; grid-row: span 1; }
.gallery-card.size-wide   { grid-column: span 2; grid-row: span 1; }
.gallery-card.size-tall   { grid-column: span 1; grid-row: span 2; }
.gallery-card.size-large  { grid-column: span 2; grid-row: span 2; }

/* Image zone (top of card) — takes remaining vertical space */
.gallery-card .card-image {
  flex: 1;
  min-height: 100px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.gallery-card:hover .card-image {
  transform: scale(1.06);
}

/* Fallback: no image → solid accent color + dot pattern */
.gallery-card .card-fallback {
  flex: 1;
  min-height: 100px;
  background-image: radial-gradient(circle, rgba(255,255,255,0.18) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
}

/* Solid text panel (bottom of card) — sits below the image, never overlaps */
.gallery-card .card-body {
  padding: 14px 20px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: #0d1230;   /* default; overridden per-accent below */
  flex-shrink: 0;
}
.gallery-card.size-small .card-body { min-height: 140px; }
.gallery-card.size-tall  .card-body { min-height: 160px; }

.gallery-card .card-tags {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-bottom: 8px;
  overflow: hidden;
  max-height: 24px;   /* single row only — extras wrap and get clipped */
}
.gallery-card .card-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #fff;
  font-family: var(--font-mono);
  white-space: nowrap;
}
/* Small cards: force to 2 tags max so the row never wraps */
.gallery-card.size-small .card-tag:nth-child(n+3) { display: none; }

.gallery-card .card-title {
  margin: 0 0 6px 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.3px;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.35);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-card.size-large .card-title { font-size: 22px; -webkit-line-clamp: 3; }
.gallery-card.size-wide  .card-title { font-size: 19px; -webkit-line-clamp: 2; }
.gallery-card.size-tall  .card-title { font-size: 16px; -webkit-line-clamp: 4; }

.gallery-card .card-meta {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.3px;
}

/* Per-post accent palette
   Applied to: fallback bg (dot pattern), tag pills, AND card body panel.
   Choose via post front matter: color: red | teal | purple | amber | green | blue | pink */
.gallery-card.accent-red    .card-fallback { background-color: #ff3a5c; }
.gallery-card.accent-red    .card-tag       { background-color: #cc2848; }
.gallery-card.accent-red    .card-body      { background-color: #1f0810; }

.gallery-card.accent-teal   .card-fallback { background-color: #14b8a6; }
.gallery-card.accent-teal   .card-tag       { background-color: #0f7a70; }
.gallery-card.accent-teal   .card-body      { background-color: #082623; }

.gallery-card.accent-purple .card-fallback { background-color: #a855f7; }
.gallery-card.accent-purple .card-tag       { background-color: #7c34c4; }
.gallery-card.accent-purple .card-body      { background-color: #1c0e3d; }

.gallery-card.accent-amber  .card-fallback { background-color: #f59e0b; }
.gallery-card.accent-amber  .card-tag       { background-color: #b8710a; }
.gallery-card.accent-amber  .card-body      { background-color: #291a05; }

.gallery-card.accent-green  .card-fallback { background-color: #22c55e; }
.gallery-card.accent-green  .card-tag       { background-color: #158a3f; }
.gallery-card.accent-green  .card-body      { background-color: #0a2416; }

.gallery-card.accent-blue   .card-fallback { background-color: #3b82f6; }
.gallery-card.accent-blue   .card-tag       { background-color: #2058bb; }
.gallery-card.accent-blue   .card-body      { background-color: #0c1a34; }

.gallery-card.accent-pink   .card-fallback { background-color: #ec4899; }
.gallery-card.accent-pink   .card-tag       { background-color: #b52c74; }
.gallery-card.accent-pink   .card-body      { background-color: #290b1a; }

/* Mobile — collapse to single column, no parallax */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
    padding: 0 20px 64px;
  }
  .gallery-card.size-small,
  .gallery-card.size-wide,
  .gallery-card.size-tall,
  .gallery-card.size-large {
    grid-column: span 1;
    grid-row: span 1;
  }
  .gallery-card:hover {
    transform: none !important;
  }
}
@media (max-width: 1024px) and (min-width: 769px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-card.size-large { grid-column: span 2; grid-row: span 2; }
  .gallery-card.size-wide  { grid-column: span 2; grid-row: span 1; }
  .gallery-card.size-tall  { grid-column: span 1; grid-row: span 2; }
  .gallery-card.size-small { grid-column: span 1; grid-row: span 1; }
}

/* ============================================
   RELATED POSTS BLOCK (bottom of post pages)
   ============================================ */
.related-posts {
  max-width: 900px;
  margin: 48px auto 24px;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.related-posts h3 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin: 0 0 20px 0;
  text-align: center;
}
.related-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.related-item {
  display: block;
  padding: 20px 22px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  text-decoration: none;
  transition: all 0.3s ease;
  color: var(--text-primary);
}
.related-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  border-left-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}
.related-item .related-meta {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.related-item .related-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  letter-spacing: -0.2px;
}
/* Accent stripes per post color */
.related-item.accent-red    { border-left-color: #ff3a5c; }
.related-item.accent-teal   { border-left-color: #14b8a6; }
.related-item.accent-purple { border-left-color: #a855f7; }
.related-item.accent-amber  { border-left-color: #f59e0b; }
.related-item.accent-green  { border-left-color: #22c55e; }
.related-item.accent-blue   { border-left-color: #3b82f6; }
.related-item.accent-pink   { border-left-color: #ec4899; }
@media (max-width: 768px) {
  .related-list { grid-template-columns: 1fr; }
  .related-posts { padding: 0 20px; margin: 32px auto 16px; }
}

/* NEWSLETTER BLOCK */
.newsletter-block {
  max-width: 720px;
  margin: 48px auto 96px;
  padding: 40px 40px;
  background: linear-gradient(180deg, rgba(255,58,92,0.06) 0%, var(--bg-card) 60%);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.newsletter-block::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(circle, rgba(255,58,92,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.newsletter-block h3 {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
  position: relative;
}
.newsletter-block p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 15px;
  position: relative;
}
.newsletter-block .signup-form {
  display: flex; gap: 8px;
  max-width: 460px;
  margin: 0 auto;
  position: relative;
}
.newsletter-block input[type="email"] {
  flex: 1;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--glass-border);
  color: #fff;
  padding: 12px 16px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border 0.3s ease;
}
.newsletter-block input[type="email"]:focus {
  border-color: var(--accent);
}
.newsletter-block .signup-form .btn { padding: 12px 24px; }
.newsletter-block .privacy-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
  position: relative;
}

/* FOOTER — matches homepage */
footer.site-footer {
  position: relative; z-index: 1;
  padding: 60px 40px 40px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}
footer.site-footer .footer-logo {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-bottom: 12px;
}
footer.site-footer .footer-logo img { height: 24px; width: 24px; }
footer.site-footer .footer-logo .red { color: var(--accent); font-weight: 800; }
footer.site-footer .footer-logo .white { color: #fff; font-weight: 800; }
footer.site-footer .footer-text { font-size: 13px; color: var(--text-muted); }
footer.site-footer .footer-text a { color: var(--text-secondary); }
footer.site-footer .footer-text a:hover { color: var(--accent); }
footer.site-footer .footer-links {
  margin-top: 16px;
  display: flex; gap: 24px; justify-content: center; flex-wrap: wrap;
}
footer.site-footer .footer-links a {
  color: var(--text-muted); font-size: 13px; font-weight: 500;
  transition: color 0.3s;
}
footer.site-footer .footer-links a:hover { color: var(--accent); }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav.site-nav { padding: 0 20px; height: 64px; }
  nav.site-nav ul { display: none; }
  .mobile-menu-btn { display: flex; }
  main.site-main { padding-top: 64px; }
  .page-header { padding: 64px 20px 40px; }
  .prose { padding: 0 20px 64px; font-size: 16px; }
  .card-grid { padding: 0 20px 64px; }
  .card { padding: 24px 24px; }
  .newsletter-block { margin: 32px 20px 64px; padding: 32px 24px; }
  .newsletter-block .signup-form { flex-direction: column; }
  .container, .container-narrow { padding: 0 20px; }
}

/* PRINT */
@media print {
  nav.site-nav, footer.site-footer, .newsletter-block, .ambient-orb, .grid-overlay { display: none; }
  body { background: white; color: black; }
  .prose { color: black; }
  .prose h2, .prose h3 { color: black; }
  .prose p, .prose li { color: #333; }
}