/* Tailspot — dark aviation theme */
:root {
  --bg:         #0A0E1A;
  --bg-surface: #0F1425;
  --border:     #1C2340;
  --text:       #E8F4FF;
  --text-dim:   #7A9CC0;
  --cyan:       #00D4FF;
  --cyan-dim:   #0090BB;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.page {
  max-width: 70ch;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ── Nav / header ── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  max-width: 70ch;
  margin: 0 auto;
}

.wordmark {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Courier, monospace;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-decoration: none;
  text-transform: uppercase;
}
.wordmark:hover { color: #fff; }

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.nav-links a:hover { color: var(--cyan); }

/* ── Hero (index only) ── */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero-wordmark {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Courier, monospace;
  font-size: clamp(2.25rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  display: block;
  margin-bottom: 1.25rem;
}

.hero-tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: var(--text-dim);
  margin-bottom: 2rem;
  letter-spacing: 0.02em;
}

.hero-badge {
  display: inline-block;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Courier, monospace;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.4em 1em;
  border-radius: 2px;
}

/* ── Divider ── */
.rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

/* ── Content typography ── */
.content h1 {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Courier, monospace;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin-bottom: 0.25rem;
}

.content .meta {
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  line-height: 1.7;
}
.content .meta p { margin: 0; }

.content h2 {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Courier, monospace;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 2.5rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.content h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.5rem 0 0.5rem;
}

.content p {
  margin: 0.75rem 0;
  color: var(--text);
}

.content ul, .content ol {
  padding-left: 1.5rem;
  margin: 0.75rem 0;
}
.content li { margin: 0.3rem 0; }

.content a {
  color: var(--cyan);
  text-decoration: none;
}
.content a:hover { text-decoration: underline; }

.content strong { color: #fff; }

/* ── Tables ── */
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
  overflow-x: auto;
  display: block;
}
.content thead th {
  text-align: left;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
}
.content td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.content tbody tr:hover td { background: var(--bg-surface); }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  max-width: 70ch;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-brand {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Courier, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-decoration: none;
}
.footer-links a:hover { color: var(--cyan); }

/* ── Responsive ── */
@media (max-width: 600px) {
  .site-nav { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .site-footer { flex-direction: column; }
}