/* ── BLOG UNIFIED DESIGN SYSTEM ── */

/* ── DESIGN TOKENS ── */
:root[data-theme="dark"] {
  --bg-base: #0a0a0c;
  --bg-surface: #121216;
  --bg-surface-hv: #1c1c21;
  --bg-ink: #050507;
  --text-primary: #f3f4f6;
  --text-rgb: 243, 244, 246;
  --text-secondary: #9ca3af;
  --text-tertiary: #6b7280;
  --accent: #d4af37;
  --accent-light: #b89b4d;
  --accent-glow: rgba(212, 175, 55, 0.15);
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(10, 10, 12, 0.75);
  --rule: rgba(255, 255, 255, 0.08);
  --nav-shadow: rgba(0, 0, 0, 0.4);
  --blockquote-bg: rgba(212, 175, 55, 0.06);
  --table-head-bg: rgba(212, 175, 55, 0.08);
  --table-row-alt: rgba(255, 255, 255, 0.02);
}

:root[data-theme="light"] {
  --bg-base: #f7f4ef;
  --bg-surface: #ffffff;
  --bg-surface-hv: #f2efe7;
  --bg-ink: #1a1806;
  --text-primary: #1a1806;
  --text-rgb: 26, 24, 6;
  --text-secondary: #4a4735;
  --text-tertiary: #8a8470;
  --accent: #b0715a;
  --accent-light: #e8c4b4;
  --accent-glow: rgba(176, 113, 90, 0.1);
  --border-color: rgba(26, 24, 6, 0.08);
  --glass-bg: rgba(247, 244, 239, 0.85);
  --rule: #ddd8cc;
  --nav-shadow: rgba(26, 24, 6, 0.06);
  --blockquote-bg: rgba(176, 113, 90, 0.05);
  --table-head-bg: rgba(176, 113, 90, 0.06);
  --table-row-alt: rgba(26, 24, 6, 0.02);
}

:root {
  --cream: var(--bg-base);
  --cream-dark: var(--bg-surface-hv);
  --ink: var(--text-primary);
  --ink-mid: var(--text-secondary);
  --ink-light: var(--text-tertiary);
  --white: var(--bg-surface);
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  /* On-dark text helpers — used in footer, contact, showreel */
  --on-dark-bright: #f3f4f6;
  --on-dark-text:   rgba(247, 244, 239, 0.55);
  --on-dark-muted:  rgba(247, 244, 239, 0.3);
}

/* ── GLOBAL & RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s var(--ease-out-expo), color 0.4s;
  overflow-x: hidden;
}

.noise {
  position: fixed; inset: 0; z-index: -1; opacity: 0.03; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ── KEYFRAMES ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes heroLine { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── NAVIGATION ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule); padding: 0 48px;
  display: flex; justify-content: space-between; align-items: center;
  height: 72px; transition: background 0.3s, box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 1px 12px var(--nav-shadow); }
.nav-logo { font-family: var(--serif); font-style: italic; font-size: 18px; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-links a { font-size: 13px; color: var(--ink-light); text-decoration: none; letter-spacing: 0.02em; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta { font-size: 12px; font-weight: 500; color: var(--accent) !important; border: 1px solid var(--accent-light); padding: 6px 16px; border-radius: 2px; transition: background 0.2s, color 0.2s !important; }
.nav-cta:hover { background: var(--accent) !important; color: var(--white) !important; }

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none; border: 1px solid var(--rule);
  color: var(--text-tertiary); width: 32px; height: 32px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.3s var(--ease-out-expo); margin-left: 8px;
}
.theme-toggle-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.theme-toggle-btn svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Mobile Menu */
.menu-toggle { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; z-index: 200; }
.menu-toggle span { width: 24px; height: 1px; background: var(--text-primary); transition: all 0.3s; }

/* ── BLOG INDEX SPECIFIC ── */
.hero-featured {
  display: flex; align-items: flex-end; position: relative;
  height: 65vh; min-height: 520px; padding: 80px 48px 64px;
  text-decoration: none; color: inherit; border-bottom: 1px solid var(--rule);
  overflow: hidden; background: var(--bg-surface); text-align: left;
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.55; transition: transform 1.5s var(--ease-out-expo), opacity 1.5s; }
.hero-featured:hover .hero-bg { transform: scale(1.02); opacity: 0.8; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-base) 0%, rgba(0,0,0,0.1) 80%, transparent 100%); }
.hero-content { position: relative; z-index: 2; max-width: 800px; animation: fadeUp 0.8s var(--ease-out-expo) both; }
.hero-eyebrow { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 24px; display: inline-block; padding: 6px 12px; border: 1px solid rgba(212, 175, 55, 0.3); border-radius: 2px; background: var(--glass-bg); backdrop-filter: blur(4px); }
.hero-title { font-family: var(--serif); font-size: clamp(40px, 5vw, 64px); line-height: 1.1; margin-bottom: 20px; color: var(--text-primary); }
.hero-title em { font-style: italic; color: var(--accent); font-weight: 400; }
.hero-excerpt { font-size: 18px; color: var(--text-primary); line-height: 1.6; margin-bottom: 28px; font-weight: 300; max-width: 640px; opacity: 0.9; }
.hero-meta { font-size: 13px; color: var(--text-tertiary); display: flex; align-items: center; gap: 12px; }
.hero-meta-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--text-tertiary); opacity: 0.5; }

/* Control Section */
.controls-section {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 48px; border-bottom: 1px solid var(--rule);
  background: var(--glass-bg); position: sticky; top: 72px; z-index: 90;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.filter-container { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-btn { background: transparent; border: 1px solid var(--rule); padding: 8px 16px; border-radius: 20px; color: var(--text-tertiary); font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.3s; font-family: var(--sans); }
.filter-btn:hover { border-color: var(--accent); color: var(--text-primary); background: var(--accent-glow); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 4px 12px var(--accent-glow); }
.search-container { position: relative; }
.search-input { background: var(--bg-surface); border: 1px solid var(--rule); padding: 10px 16px 10px 36px; border-radius: 20px; color: var(--text-primary); font-family: var(--sans); font-size: 13px; width: 180px; transition: all 0.4s var(--ease-out-expo); }
.search-input:focus { outline: none; border-color: var(--accent); width: 240px; }
.search-container::before { content: ''; position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 14px; height: 14px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E"); pointer-events: none; z-index: 2; }

/* Article Card Grid */
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px; padding: 80px 48px; max-width: 1200px; margin: 0 auto; min-height: 400px; }
.article-card { text-decoration: none; color: inherit; display: flex; flex-direction: column; border: 1px solid transparent; padding: 20px; border-radius: 8px; margin: -20px; transition: all 0.5s var(--ease-out-expo); position: relative; }
.article-card.hidden { display: none; }
.article-card:hover { background: var(--bg-surface); border-color: var(--rule); transform: translateY(-4px); }
.article-thumb-wrap { aspect-ratio: 16 / 9; background: var(--bg-surface); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; margin-bottom: 24px; position: relative; }
.article-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out-expo); opacity: 0.9; }
.article-card:hover .article-thumb { transform: scale(1.04); opacity: 1; }

/* Card Hover Overlay */
.card-hover-overlay {
  position: absolute; inset: 0; background: rgba(10, 10, 12, 0.75);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; opacity: 0; transition: opacity 0.4s var(--ease-out-expo);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
:root[data-theme="light"] .card-hover-overlay { background: rgba(247, 244, 239, 0.75); }
.article-card:hover .card-hover-overlay { opacity: 1; }
.hover-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; transform: translateY(12px); transition: transform 0.5s var(--ease-out-expo); }
.article-card:hover .hover-tags { transform: translateY(0); }
.hover-tag { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 10px; border: 1px solid var(--accent); color: var(--accent); border-radius: 10px; background: var(--accent-glow); }
.hover-meta { font-size: 12px; color: var(--text-primary); transform: translateY(12px); transition: transform 0.5s var(--ease-out-expo) 0.05s; }
.article-card:hover .hover-meta { transform: translateY(0); }

.article-cat { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; display: block; }
.article-grid-title { font-family: var(--serif); font-size: 28px; line-height: 1.25; margin-bottom: 16px; color: var(--text-primary); }
.article-excerpt { font-size: 15px; color: var(--text-secondary); font-weight: 300; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ── ARTICLE PAGE SPECIFIC ── */
.article-hero { position: relative; min-height: 520px; display: flex; align-items: flex-end; border-bottom: 1px solid var(--rule); overflow: hidden; background: var(--bg-ink); }
.article-hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.35; transition: transform 8s ease; }
.article-hero:hover .article-hero-image { transform: scale(1.03); }
.article-hero-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5, 5, 7, 0.95) 0%, rgba(5, 5, 7, 0.6) 40%, rgba(5, 5, 7, 0.3) 100%); }
.article-hero-content { position: relative; z-index: 2; padding: 80px 48px 64px; max-width: 820px; }
.article-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12px; color: rgba(247, 244, 239, 0.4); margin-bottom: 32px; letter-spacing: 0.04em; animation: fadeIn 0.8s var(--ease-out-expo) both; }
.article-breadcrumb a { color: rgba(247, 244, 239, 0.4); text-decoration: none; transition: color 0.2s; }
.article-breadcrumb a:hover { color: var(--accent); }
.article-breadcrumb .sep { opacity: 0.3; }
.article-category { display: inline-block; font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; padding: 6px 14px; border: 1px solid rgba(212, 175, 55, 0.3); border-radius: 2px; animation: fadeUp 0.8s 0.1s var(--ease-out-expo) both; }
.article-hero-title { font-family: var(--serif); font-size: clamp(36px, 5vw, 60px); font-weight: 700; line-height: 1.1; color: #f3f4f6; margin-bottom: 28px; letter-spacing: -0.02em; animation: fadeUp 0.9s 0.15s var(--ease-out-expo) both; }
.article-hero-title em { font-style: italic; font-weight: 400; color: var(--accent); }
.article-hero-line { display: block; width: 60px; height: 2px; background: var(--accent); margin-top: 32px; transform-origin: left; animation: heroLine 1s 0.4s var(--ease-out-expo) both; }
.article-meta { display: flex; align-items: center; gap: 20px; font-size: 13px; color: rgba(247, 244, 239, 0.5); animation: fadeUp 0.9s 0.25s var(--ease-out-expo) both; }
.article-meta-sep { width: 4px; height: 4px; border-radius: 50%; background: rgba(247, 244, 239, 0.2); }
.article-meta a { color: rgba(247, 244, 239, 0.6); text-decoration: none; transition: color 0.2s; }
.article-meta a:hover { color: var(--accent); }

.article-layout { display: grid; grid-template-columns: 1fr min(720px, 100%) 1fr; padding: 0 48px; }
.article-body { grid-column: 2; padding: 72px 0 96px; }
.article-body > * + * { margin-top: 1.75em; }
.article-body h2 { font-family: var(--serif); font-size: clamp(24px, 3vw, 32px); font-weight: 700; color: var(--text-primary); line-height: 1.25; margin-top: 3em; margin-bottom: 0.5em; letter-spacing: -0.01em; padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-family: var(--serif); font-size: clamp(19px, 2.5vw, 22px); margin-top: 2.5em; }
.article-body p { font-size: 17px; line-height: 1.85; color: var(--text-secondary); font-weight: 300; }
.article-body strong { color: var(--text-primary); font-weight: 500; }
.article-body a { color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.article-body a:hover { border-bottom-color: var(--accent); }
.article-lead { font-size: 19px !important; line-height: 1.8 !important; color: var(--text-primary) !important; font-weight: 300 !important; border-left: 3px solid var(--accent); padding-left: 24px; }
.article-body blockquote { background: var(--blockquote-bg); border-left: 3px solid var(--accent); padding: 28px 32px; border-radius: 0 4px 4px 0; margin: 2em 0; }
.article-body blockquote p { font-family: var(--serif); font-style: italic; font-size: 20px !important; line-height: 1.6 !important; color: var(--text-primary) !important; font-weight: 400 !important; margin: 0; }

/* Tables & Lists */
.article-table-wrap { overflow-x: auto; margin: 3em 0; border: 1px solid var(--rule); border-radius: 4px; }
.article-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.article-table thead th { background: var(--table-head-bg); font-family: var(--serif); font-size: 14px; font-weight: 700; color: var(--text-primary); padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.article-table thead th:first-child { color: var(--text-tertiary); font-family: var(--sans); font-weight: 400; font-size: 12px; letter-spacing: 0.04em; }
.article-table tbody td { padding: 14px 20px; color: var(--text-secondary); font-weight: 300; border-bottom: 1px solid var(--rule); line-height: 1.5; vertical-align: top; }
.article-table tbody td:first-child { color: var(--text-tertiary); font-size: 12px; font-weight: 400; letter-spacing: 0.04em; white-space: nowrap; }
.article-table tbody tr:last-child td { border-bottom: none; }
.article-table tbody tr:nth-child(even) { background: var(--table-row-alt); }

.article-body ul { list-style: none; padding: 0; }
.article-body ul li { position: relative; padding-left: 24px; font-size: 16px; line-height: 1.8; color: var(--text-secondary); font-weight: 300; margin-bottom: 12px; }
.article-body ul li::before { content: ''; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; border: 1px solid var(--accent); border-radius: 50%; }
.article-body ul li strong { color: var(--text-primary); font-weight: 500; }

/* Author Card */
.author-card { display: grid; grid-template-columns: 100px 1fr; gap: 28px; align-items: center; padding: 36px 40px; background: var(--bg-surface); border: 1px solid var(--rule); border-radius: 4px; margin-top: 4em; }
.author-photo { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; object-position: center top; border: 2px solid var(--rule); filter: sepia(8%) contrast(1.02); }
.author-info { display: flex; flex-direction: column; gap: 8px; }
.author-label { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.author-name { font-family: var(--serif); font-size: 20px; color: var(--text-primary); line-height: 1.3; }
.author-bio { font-size: 14px; color: var(--text-secondary); line-height: 1.7; font-weight: 300; }
.author-bio a { color: var(--accent); text-decoration: none; transition: border-bottom-color 0.2s; border-bottom: 1px solid transparent; }
.author-bio a:hover { border-bottom-color: var(--accent); }
.author-links { display: flex; gap: 16px; margin-top: 12px; }
.author-links a { font-size: 12px; color: var(--accent); text-decoration: none; transition: color 0.2s; border-bottom: 1px solid transparent; }
.author-links a:hover { border-bottom-color: var(--accent); }

/* Related Section */
.related-section { padding: 80px 48px; border-top: 1px solid var(--rule); background: var(--bg-surface); }
.related-container { max-width: 1200px; margin: 0 auto; }
.related-title { font-family: var(--serif); font-size: 32px; margin-bottom: 40px; text-align: center; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.related-card { text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform 0.4s var(--ease-out-expo); }
.related-card:hover { transform: translateY(-8px); }
.related-thumb { aspect-ratio: 16 / 9; background: var(--bg-base); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; margin-bottom: 16px; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; transition: opacity 0.3s; }
.related-card:hover .related-thumb img { opacity: 1; }
.related-cat { font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.related-card-title { font-family: var(--serif); font-size: 18px; line-height: 1.3; margin-bottom: 12px; }
.related-link { font-size: 12px; color: var(--accent); font-weight: 500; margin-top: auto; }

/* ── NEWSLETTER ── */
.newsletter-cta { padding: 100px 48px; border-top: 1px solid var(--rule); background: var(--bg-surface); text-align: center; position: relative; overflow: hidden; }
.newsletter-cta::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 60%; height: 100%; background: radial-gradient(ellipse at top, var(--accent-glow) 0%, transparent 70%); pointer-events: none; }
.cta-inner { max-width: 500px; margin: 0 auto; position: relative; z-index: 2; }
.cta-eyebrow { font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; display: block; }
.cta-title { font-family: var(--serif); font-size: 36px; line-height: 1.2; color: var(--text-primary); margin-bottom: 16px; }
.cta-desc { font-size: 16px; color: var(--text-secondary); margin-bottom: 32px; line-height: 1.6; font-weight: 300; }
.cta-form { display: flex; gap: 12px; }
.cta-input { flex: 1; padding: 14px 20px; border-radius: 4px; border: 1px solid var(--rule); background: var(--bg-base); color: var(--text-primary); font-family: var(--sans); font-size: 14px; }
.cta-btn { padding: 14px 32px; border-radius: 4px; border: none; background: var(--text-primary); color: var(--bg-base); font-family: var(--sans); font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.4s var(--ease-out-expo); white-space: nowrap; }
.cta-btn:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px var(--accent-glow); }

/* ── FOOTER ── */
footer {
  background: var(--bg-ink);
  border-top: 0.5px solid rgba(255, 255, 255, 0.08);
  padding: 24px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-logo {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--on-dark-text, rgba(247, 244, 239, 0.4));
  text-decoration: none;
  flex: 0 0 auto;
}

.footer-copy {
  font-size: 11px;
  color: var(--on-dark-muted, rgba(247, 244, 239, 0.25));
  letter-spacing: 0.02em;
  text-align: center;
  flex: 1;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex: 0 0 auto;
}

.footer-links a {
  font-size: 12px;
  color: var(--on-dark-text, rgba(247, 244, 239, 0.35));
  text-decoration: none;
  transition: color 0.2s;
  letter-spacing: 0.04em;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ── SPECIALIZED COMPONENTS ── */

/* Factors Grid & Pipeline Steps */
.factors-grid, .pipeline-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  margin: 2em 0;
}

.factor-item, .pipeline-step {
  padding: 28px 24px;
  background: var(--bg-surface);
  transition: background 0.3s;
}

.factor-item:hover, .pipeline-step:hover {
  background: var(--bg-surface-hv);
}

.factor-label, .pipeline-step-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.factor-title, .pipeline-step-title {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.factor-desc, .pipeline-step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: 300;
}

/* Summary Box */
.summary-box {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 36px 40px;
  margin: 2em 0;
}

.summary-box-title {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.summary-item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.summary-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.summary-item-term {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 15px;
  color: var(--accent);
  min-width: 140px;
  flex-shrink: 0;
}

.summary-item-def {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.6;
}

/* Case Study Blocks */
.case-study {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  border-radius: 0 4px 4px 0;
  padding: 40px 44px;
  margin: 2.5em 0;
}

.case-study-eyebrow {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.case-study-eyebrow::after {
  content: '';
  display: block;
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.case-study-title {
  font-family: var(--serif);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.case-study-intro {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-weight: 300;
}

.case-study-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  margin: 28px 0;
}

.cs-stat {
  padding: 20px 24px;
  background: var(--bg-base);
}

.cs-stat-num {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.cs-stat-num span { color: var(--accent); }

.cs-stat-label {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.case-study-subtitle {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 12px;
}

.cs-roles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 20px 0 28px;
}

.cs-role-group h4 {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.cs-role-group ul { list-style: none; padding: 0; }

.cs-role-group ul li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 0.5px solid var(--rule);
  display: flex;
  justify-content: space-between;
  font-weight: 300;
  line-height: 1.4;
}

.cs-role-group ul li::before { display: none; }

.cs-role-count {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  white-space: nowrap;
  margin-left: 12px;
  flex-shrink: 0;
}

.cs-ramp-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.cs-ramp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.cs-ramp-table thead th {
  background: var(--table-head-bg);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-weight: 500;
  white-space: nowrap;
}

.cs-ramp-table tbody td {
  padding: 10px 16px;
  color: var(--text-secondary);
  border-bottom: 0.5px solid var(--rule);
  font-weight: 300;
  vertical-align: middle;
  white-space: nowrap;
}

.cs-ramp-table tbody tr:last-child td { border-bottom: none; }

.cs-bar-cell { width: 120px; padding-right: 20px !important; }

.cs-ramp-bar {
  height: 6px;
  background: var(--accent);
  border-radius: 3px;
  opacity: 0.55;
  transition: opacity 0.2s;
}

.cs-ramp-table tbody tr:hover .cs-ramp-bar { opacity: 1; }

.cs-total-row td {
  font-weight: 500 !important;
  color: var(--text-primary) !important;
  border-top: 1px solid var(--rule) !important;
  background: var(--table-head-bg) !important;
}

.cs-callout {
  background: var(--blockquote-bg);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 0 4px 4px 0;
  margin-top: 24px;
}

.cs-callout p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 300;
}

.cs-callout p strong { color: var(--text-primary); }

/* Hierarchy List */
.hierarchy-list ul {
  list-style: none;
  padding-left: 20px;
}

.hierarchy-list ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}

.hierarchy-list ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Article CTA & Tags */
/* ── Branded Article CTAs (Compact & Stylish) ── */
.article-cta {
  background: #0d0d0f;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px;
  margin: 3em 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
  text-align: left;
}

@media (min-width: 768px) {
  .article-cta {
    flex-direction: row;
    align-items: center;
    padding: 32px 40px;
    gap: 32px;
  }
}

.article-cta-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px; /* App icon squircle */
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 16px rgba(0,0,0,0.4), inset 0 1px 1px rgba(255,255,255,0.1);
  position: relative;
  z-index: 1;
}

.article-cta-icon.ci-icon {
  background: linear-gradient(135deg, #1c1a16 0%, #0d0c0a 100%);
  color: #FFD700;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.05em;
  border: 1px solid rgba(255, 215, 0, 0.25);
}

.article-cta-icon.wonder-icon {
  background: linear-gradient(135deg, #112228 0%, #061114 100%);
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.article-cta-icon.wonder-icon svg {
  width: 32px;
  height: 32px;
  stroke: #00F0FF;
}

.article-cta-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .article-cta-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

.article-cta-text { 
  flex: 1; 
}

.article-cta-text .label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.article-cta-text h3 {
  font-family: var(--serif);
  font-size: 24px;
  color: #f3f4f6;
  margin-bottom: 8px;
  line-height: 1.2;
  font-weight: 700;
}

.article-cta-text p {
  font-size: 14px !important;
  color: rgba(243, 244, 246, 0.6) !important;
  line-height: 1.5 !important;
  margin: 0 !important;
  max-width: 460px;
}

.article-cta-text p strong {
  color: #f3f4f6 !important;
  font-weight: 600;
}

.article-cta-action {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
  min-width: 220px;
}

.cta-platform {
  font-size: 11px;
  color: rgba(243, 244, 246, 0.4);
  letter-spacing: 0.02em;
  text-align: center;
}

/* ── VARIANT: Cinema Illustrated (Gold) ── */
.article-cta.variant-ci {
  border-top: 3px solid #FFD700;
  border-color: rgba(255, 215, 0, 0.15);
}

.article-cta.variant-ci::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle at 10% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.variant-ci .label { color: #FFD700; }

.btn-ci {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 12px 28px;
  background: #FFD700;
  color: #0d0d0f;
  text-decoration: none;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.4s var(--ease-out-expo);
  width: 100%;
}

.btn-ci:hover {
  background: #ffe44d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 215, 0, 0.25);
}

/* ── VARIANT: Wonder Makers (Cyan/Tech) ── */
.article-cta.variant-wonder {
  border-top: 3px solid #00F0FF;
  border-color: rgba(0, 240, 255, 0.15);
}

.article-cta.variant-wonder::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle at 10% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.variant-wonder .label { color: #00F0FF; }

.btn-wonder {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 12px 28px;
  background: #00F0FF;
  color: #0d0d0f;
  text-decoration: none;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.4s var(--ease-out-expo);
  width: 100%;
}

.btn-wonder:hover {
  background: #4df7ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.25);
}

/* Legacy btn-primary — kept for other uses */
.btn-primary {
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.3s;
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}


.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag-pill {
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-decoration: none;
  padding: 4px 12px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  transition: all 0.3s var(--ease-out-expo);
}

.tag-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* Difficulty Scale */
.difficulty-scale {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 3em 0;
}

.diff-tier {
  display: grid;
  grid-template-columns: 140px 1fr 140px;
  gap: 24px;
  align-items: center;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: 4px;
  transition: transform 0.3s var(--ease-out-expo);
}

.diff-tier:hover {
  transform: translateX(8px);
  background: var(--bg-surface-hv);
}

.diff-level-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.diff-level-name {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--text-primary);
}

.diff-content-title {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.diff-content-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.diff-output {
  text-align: right;
}

.diff-output-num {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--accent);
  font-weight: 700;
}

.diff-output-num span {
  font-size: 14px;
  font-weight: 400;
}

.diff-output-label {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* Alternative Paths Grid */
.alt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 3em 0;
}

.alt-item {
  padding: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.alt-title {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.alt-desc {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Pipeline Flow (Process) — sequential, connected */
.pipeline-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 3em 0;
  position: relative;
}

/* Continuous connector line running behind all steps */
.pipeline-flow::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(12.5%);
  right: calc(12.5%);
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), var(--accent), transparent);
  opacity: 0.25;
  z-index: 0;
}

.pipeline-flow .pipeline-step {
  padding: 32px 20px 28px;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-right: none;
  text-align: center;
  position: relative;
  transition: background 0.4s var(--ease-out-expo), border-color 0.3s, box-shadow 0.4s;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pipeline-flow .pipeline-step:first-child {
  border-radius: 6px 0 0 6px;
}

.pipeline-flow .pipeline-step:last-child {
  border-right: 1px solid var(--rule);
  border-radius: 0 6px 6px 0;
}

.pipeline-flow .pipeline-step:hover {
  background: var(--bg-surface-hv);
  border-color: var(--accent);
  z-index: 2;
  box-shadow: 0 8px 32px var(--accent-glow);
}

.pipeline-flow .pipeline-step:hover + .pipeline-step {
  border-left-color: var(--accent);
}

/* Arrow connector between steps */
.pipeline-flow .pipeline-step:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -9px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: var(--bg-surface);
  border-top: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  rotate: 45deg;
  z-index: 3;
  transition: background 0.3s, border-color 0.3s;
}

.pipeline-flow .pipeline-step:hover::after {
  background: var(--bg-surface-hv);
  border-color: var(--accent);
}

/* Step number node */
.ps-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  font-family: var(--sans);
  transition: background 0.3s, transform 0.3s var(--ease-out-expo);
}

.pipeline-flow .pipeline-step:hover .ps-num {
  background: var(--accent);
  color: #fff;
  transform: scale(1.1);
}

.ps-title {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

/* Step description — brief subtitle */
.ps-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
  margin-bottom: 14px;
  font-weight: 300;
}

/* Tool tags — now clearly visible */
.ps-tool {
  font-size: 10px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 12px;
  line-height: 1.4;
  text-align: center;
  margin-top: auto;
}

:root[data-theme="light"] .ps-tool {
  border-color: rgba(176, 113, 90, 0.2);
}

/* ── Pipeline Detail Blocks ── */
/* Visually connects per-phase text to the pipeline overview */
.pipeline-details {
  margin: 2.5em 0 3em;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid var(--rule);
  padding-left: 0;
  position: relative;
}

.pipeline-detail {
  padding: 28px 0 28px 36px;
  position: relative;
  border-bottom: 1px solid var(--rule);
  transition: background 0.3s;
}

.pipeline-detail:last-child {
  border-bottom: none;
}

/* Phase node on the timeline */
.pipeline-detail::before {
  content: attr(data-phase);
  position: absolute;
  left: -16px;
  top: 32px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--sans);
  letter-spacing: 0.02em;
  z-index: 1;
}

/* Accent highlight on hover */
.pipeline-detail:hover::before {
  background: var(--accent);
  color: #fff;
}

.pipeline-detail:hover {
  background: var(--accent-glow);
  border-radius: 0 6px 6px 0;
}

.pipeline-detail .pd-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}

.pipeline-detail .pd-title {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.pipeline-detail .pd-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 300;
}

/* Festival Grid */
.festival-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 3em 0;
}

.festival-item {
  padding: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.festival-name {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.festival-location {
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.festival-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Aliases for legacy classes */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; margin: 2em 0; }
.stat-cell { padding: 24px; background: var(--bg-base); }
.stat-num { font-family: var(--serif); font-size: 32px; font-weight: 700; color: var(--text-primary); }
.stat-num span { color: var(--accent); font-size: 16px; }
.stat-label { font-size: 12px; color: var(--text-tertiary); line-height: 1.4; }

.roles-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin: 2em 0; }
.role-department-label { font-size: 10px; text-transform: uppercase; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); }
.role-count { color: var(--accent); font-weight: 500; margin-left: 8px; }

/* Empty state for filtered grid */
.blog-grid-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  color: var(--text-tertiary);
}

.blog-grid-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.blog-grid-empty h3 {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.blog-grid-empty p {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* ── ADDITIONAL RESPONSIVE ── */
@media (max-width: 900px) {
  .factors-grid, .pipeline-steps, .alt-grid, .festival-grid, .stat-strip, .roles-grid { grid-template-columns: 1fr; }
  .pipeline-flow { grid-template-columns: 1fr; gap: 0; }
  .pipeline-flow::before { display: none; }
  .pipeline-flow .pipeline-step { border-right: 1px solid var(--rule); border-bottom: none; border-radius: 0; }
  .pipeline-flow .pipeline-step:first-child { border-radius: 4px 4px 0 0; }
  .pipeline-flow .pipeline-step:last-child { border-bottom: 1px solid var(--rule); border-radius: 0 0 4px 4px; }
  .pipeline-flow .pipeline-step:not(:last-child)::after {
    right: auto; top: auto;
    bottom: -9px; left: 50%;
    transform: translateX(-50%);
    rotate: 135deg;
  }
  .diff-tier { grid-template-columns: 1fr; text-align: center; }
  .diff-output { text-align: center; margin-top: 16px; }
  .case-study { padding: 28px 20px; }
  .case-study-stats { grid-template-columns: 1fr 1fr; }
  .cs-roles-grid { grid-template-columns: 1fr; }
  .article-cta { flex-direction: column; text-align: center; gap: 24px; padding: 32px 24px; }
  
  footer {
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}