:root {
  --bg-primary: #020712;
  --bg-secondary: #07152e;
  --bg-panel: rgba(9, 18, 39, 0.78);
  --bg-panel-strong: rgba(7, 14, 31, 0.92);
  --text-primary: #edf4ff;
  --text-body: #d9e4f7;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.14);
  --gold: #f6d792;
  --border: rgba(176, 197, 246, 0.2);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  --font-display: "Space Mono", monospace;
  --font-body: "Space Mono", monospace;
  --content-width: min(980px, calc(100vw - 32px));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.14), transparent 34%),
    radial-gradient(circle at bottom right, rgba(246, 215, 146, 0.1), transparent 28%),
    linear-gradient(180deg, #020712 0%, #041229 48%, #020a1a 100%);
  line-height: 1.6;
}

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

a:hover {
  color: #7dd3fc;
}

.page-shell {
  width: var(--content-width);
  margin: 0 auto;
  padding: 24px 0 72px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(2, 7, 18, 0.72);
  border-bottom: 1px solid rgba(176, 197, 246, 0.1);
}

.topbar-inner {
  width: var(--content-width);
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-body);
  border: 1px solid var(--border);
  background: rgba(7, 14, 31, 0.72);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
}

.nav-links a[aria-current="page"] {
  color: var(--text-primary);
  border-color: rgba(56, 189, 248, 0.38);
  box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.16);
}

.hero {
  margin-top: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(10, 20, 44, 0.9), rgba(4, 10, 24, 0.95));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
}

.hero h1 {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.08;
}

.lede {
  margin: 16px 0 0;
  max-width: 70ch;
  color: var(--text-body);
  font-size: 1rem;
}

.meta-row,
.summary-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.meta-row {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.summary-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.meta-card,
.summary-card,
.panel {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.meta-card,
.summary-card {
  padding: 16px 18px;
}

.meta-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.meta-value {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.summary-card h2 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 1rem;
}

.summary-card p {
  margin: 0;
  color: var(--text-body);
  font-size: 0.92rem;
}

.content {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.panel {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(8, 15, 33, 0.96), rgba(5, 11, 25, 0.95));
}

.panel h2 {
  margin: 0 0 14px;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.panel p,
.panel li {
  margin: 0;
  color: var(--text-body);
  font-size: 0.95rem;
}

.panel p + p,
.panel ul,
.panel ol {
  margin-top: 14px;
}

.panel ul,
.panel ol {
  padding-left: 20px;
}

.panel li + li {
  margin-top: 10px;
}

.note {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.footer {
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: 20px;
  background: var(--bg-panel-strong);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.88rem;
}

@media (max-width: 720px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    width: 100%;
  }

  .nav-links a {
    width: 100%;
    text-align: center;
  }

  .hero,
  .panel,
  .meta-card,
  .summary-card,
  .footer {
    border-radius: 20px;
  }
}