:root {
  --bg: #050508;
  --bg-soft: #0b0b14;
  --card: rgba(18, 18, 30, 0.9);
  --text: #f2f2f8;
  --muted: #b4b4c6;
  --line: rgba(255, 255, 255, 0.08);
  --gold: #c9a55a;
  --gold-soft: rgba(201, 165, 90, 0.18);
  --cyan: #30c8e0;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Outfit', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top right, rgba(201, 165, 90, 0.08), transparent 38%), var(--bg);
  color: var(--text);
  font-family: var(--sans);
}

a {
  color: var(--cyan);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(7, 7, 16, 0.9);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0.75rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.12rem;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.62rem;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav a:hover,
.nav a.active {
  border-color: rgba(201, 165, 90, 0.45);
  background: var(--gold-soft);
  color: var(--gold);
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1.2rem 4rem;
}

.institutional-cta {
  position: sticky;
  top: 3.8rem;
  z-index: 18;
  margin: 0.2rem auto 1rem;
  padding: 0.62rem 0.72rem;
  border: 1px solid rgba(201, 165, 90, 0.28);
  border-radius: 12px;
  background: rgba(9, 9, 18, 0.9);
  backdrop-filter: blur(10px);
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  justify-content: center;
}

.institutional-cta-label {
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-right: 0.15rem;
}

.institutional-cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.32rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.institutional-cta-link:hover {
  border-color: rgba(201, 165, 90, 0.45);
  background: var(--gold-soft);
  color: var(--gold);
}

.hero {
  margin-bottom: 1.8rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}

.hero .kicker {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.65rem;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0 0 0.65rem;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.hero .hero-subtitle {
  margin: 0 0 0.45rem;
  color: #e4d3ad;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .legacy-title {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
}

.meta-row {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.meta-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.22rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.9rem;
}

.section-heading {
  margin: 0 0 0.9rem;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 500;
}

.post-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  padding: 1rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.7rem;
}

.post-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.52rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-family: var(--serif);
  font-weight: 500;
}

.post-card p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.96rem;
}

.post-card .read {
  display: inline-block;
  margin-top: 0.15rem;
  font-family: var(--mono);
  text-decoration: none;
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gold);
}

.archive-panel {
  margin: 0 0 1.2rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(12, 12, 22, 0.82);
  display: grid;
  gap: 0.65rem;
}

.archive-panel h2 {
  margin: 0;
  font-size: 1.1rem;
  font-family: var(--serif);
  font-weight: 500;
}

.archive-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.archive-kicker {
  margin: 0 0 0.32rem;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.archive-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.72rem;
}

.archive-list li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 0.8rem;
  align-items: baseline;
  padding-top: 0.72rem;
  border-top: 1px solid var(--line);
}

.archive-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.archive-date {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.archive-list a {
  color: var(--text);
  text-decoration: none;
  line-height: 1.6;
}

.archive-list a:hover {
  color: var(--gold);
}

.article {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  padding: 1.25rem;
}

.article p,
.article li {
  color: var(--muted);
  line-height: 1.82;
}

.article h2 {
  margin: 1.2rem 0 0.5rem;
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
}

.article h3 {
  margin: 0.9rem 0 0.35rem;
  font-size: 1.06rem;
  font-weight: 500;
}

.article ul,
.article ol {
  margin: 0.3rem 0 0.8rem 1.2rem;
  padding: 0;
}

.evidence {
  margin-top: 1rem;
  border: 1px solid rgba(201, 165, 90, 0.35);
  border-radius: 12px;
  background: rgba(201, 165, 90, 0.08);
  padding: 0.8rem 0.95rem;
}

.evidence h2 {
  margin-top: 0;
  font-size: 1.02rem;
}

.evidence ul {
  margin-bottom: 0;
}

.evidence code {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: #d8eef4;
}

.related,
.faq {
  margin-top: 1.2rem;
}

.verify-footer {
  margin-top: 1.2rem;
  border: 1px solid rgba(48, 200, 224, 0.28);
  border-radius: 12px;
  background: rgba(48, 200, 224, 0.07);
  padding: 0.85rem 0.95rem;
}

.verify-footer hr {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  margin: 0 0 0.65rem;
}

.verify-footer p {
  margin: 0.45rem 0;
}

.verify-footer p:last-child {
  margin-bottom: 0;
}

.verification-standard {
  margin-top: 1.2rem;
  border: 1px solid rgba(48, 200, 224, 0.28);
  border-radius: 12px;
  background: rgba(48, 200, 224, 0.07);
  padding: 0.85rem 0.95rem;
}

.verification-standard h2 {
  margin-top: 0;
  font-size: 1.02rem;
}

.verification-standard p {
  margin: 0.45rem 0;
}

.verification-standard p:last-child {
  margin-bottom: 0;
}

.term-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.term-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(10, 10, 18, 0.7);
  padding: 0.8rem;
}

.term-card h2 {
  margin-top: 0;
  font-size: 1.02rem;
}

.term-card .used-in {
  margin: 0.45rem 0 0;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer {
  margin-top: 1.8rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .page {
    padding-top: 1.25rem;
  }

  .institutional-cta {
    top: 3.45rem;
    padding: 0.52rem 0.56rem;
    margin-bottom: 0.85rem;
  }

  .institutional-cta-label {
    width: 100%;
    text-align: center;
    margin-right: 0;
  }

  .article {
    padding: 1rem;
  }

  .archive-list li {
    grid-template-columns: 1fr;
    gap: 0.22rem;
  }
}