:root {
  --bg: #0f1419;
  --bg-elev: #1a222c;
  --text: #e8eef4;
  --muted: #9aabbc;
  --accent: #3d9b8f;
  --accent-2: #e8a54b;
  --line: #2a3542;
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 155, 143, 0.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(232, 165, 75, 0.12), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-2);
}

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  background: rgba(15, 20, 25, 0.85);
  z-index: 20;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  font-size: 0.95rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.hero p {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.15rem;
  margin: 0;
}

.clusters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  padding: 0 0 3rem;
}

.cluster-card {
  display: block;
  padding: 1.35rem 1.4rem;
  background: linear-gradient(160deg, rgba(26, 34, 44, 0.95), rgba(26, 34, 44, 0.7));
  border: 1px solid var(--line);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.cluster-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  color: inherit;
}

.cluster-card h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.cluster-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0 0 1rem;
}

.page-list {
  list-style: none;
  padding: 0;
  margin: 0 0 3rem;
  display: grid;
  gap: 0.65rem;
}

.page-list a {
  display: block;
  padding: 0.9rem 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  text-decoration: none;
}

.page-list a:hover {
  border-color: var(--accent);
}

.page-list .meta {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.article {
  padding: 2.5rem 0 4rem;
  max-width: 720px;
}

.article h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

.article .eyebrow {
  color: var(--accent-2);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.prose h2,
.prose h3 {
  font-family: var(--font-display);
  margin-top: 1.8rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.7rem;
  text-align: left;
}

.prose th {
  background: var(--bg-elev);
}

.cta {
  display: inline-block;
  margin: 0.5rem 0.5rem 0.5rem 0;
  padding: 0.65rem 1.1rem;
  background: var(--accent);
  color: #04120f;
  font-weight: 600;
  text-decoration: none;
  border-radius: 3px;
}

.cta:hover {
  background: var(--accent-2);
  color: #1a1205;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}

.admin-wrap {
  padding: 2rem 0 4rem;
}

.admin-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 1.1rem 1.2rem;
  margin-bottom: 0.85rem;
  border-radius: 4px;
}

.admin-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  align-items: end;
}

.admin-actions input {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 0.45rem 0.6rem;
  border-radius: 3px;
  min-width: 160px;
}

.admin-actions button {
  border: 0;
  padding: 0.5rem 0.9rem;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 600;
}

.btn-ok {
  background: var(--accent);
  color: #04120f;
}

.btn-no {
  background: #6b3a3a;
  color: #fff;
}

@media (max-width: 640px) {
  .site-header .wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 2.5rem;
  }
}