/* SpaceX-inspired theme: always dark, near-black, white DIN-style type,
   steel-blue accents. Palette lives in :root. */
:root {
  --bg: #050709;
  --surface: #0d1218;
  --surface-2: #111820;
  --ink: #eef2f5;
  --ink-soft: #9fb0bd;
  --ink-faint: #5d6b77;
  --rule: #1c2630;

  --blue: #005288;            /* SpaceX brand blue */
  --blue-bright: #2f8fd0;
  --cyan: #6fc3ff;
  --steel: #8ba7bb;

  --blue-glow: rgba(47, 143, 208, 0.35);
  --blue-soft: rgba(0, 82, 136, 0.22);
  --cyan-soft: rgba(111, 195, 255, 0.12);

  --grad: linear-gradient(90deg, #005288 0%, #2f8fd0 55%, #6fc3ff 100%);

  --sans: "Bahnschrift", "DIN Alternate", "Segoe UI", system-ui, sans-serif;
  --max: 44rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0325rem;
  line-height: 1.75;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header — mission-control black with a starfield hint */
.site-header {
  background:
    radial-gradient(1px 1px at 15% 30%, rgba(255,255,255,0.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 35% 70%, rgba(255,255,255,0.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 55% 25%, rgba(255,255,255,0.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 60%, rgba(255,255,255,0.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 35%, rgba(255,255,255,0.5) 50%, transparent 51%),
    radial-gradient(ellipse at bottom, #0a1622 0%, #050709 65%);
  border-bottom: 1px solid var(--rule);
  padding: 3rem 0 1.5rem;
  text-align: center;
  position: relative;
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--grad);
  opacity: 0.9;
}

.site-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  margin-right: -0.32em; /* optically recenter the tracked-out text */
  color: var(--ink);
  text-decoration: none;
}

.tagline {
  margin: 0.7rem 0 1.4rem;
  color: var(--steel);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.site-header nav {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.site-header nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.35rem 1rem;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.site-header nav a:hover { color: var(--cyan); border-color: var(--rule); }
.site-header nav a.active {
  color: var(--cyan);
  border-color: var(--blue-bright);
  box-shadow: 0 0 12px var(--blue-glow);
}

main { padding: 2.75rem 0 3rem; }

/* Post */
.post-meta {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--blue-bright);
}

.post-number {
  color: var(--cyan);
  border: 1px solid var(--blue-bright);
  border-radius: 2px;
  padding: 0.08rem 0.5rem;
  box-shadow: 0 0 10px var(--blue-glow);
}

.post-title, .page-title {
  font-size: 2.05rem;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.01em;
  margin: 0.45rem 0 0.85rem;
}

.page-title {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.tags { margin-bottom: 1.1rem; }

.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--steel);
  background: var(--blue-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.15rem 0.65rem;
  margin-right: 0.4rem;
}

.post-body h2 {
  font-size: 1.02rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 2.3rem 0 0.5rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--blue-bright);
}

.post-body p, .post-body li { color: var(--ink-soft); }
.post-body strong { color: var(--ink); }

.post-body blockquote {
  margin: 1.25rem 0;
  padding: 0.65rem 1.25rem;
  border-left: 3px solid var(--cyan);
  background: var(--cyan-soft);
  border-radius: 0 4px 4px 0;
  color: var(--steel);
  font-style: italic;
}

.post-body code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.88em;
  color: var(--cyan);
  background: var(--blue-soft);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}

.post-body pre {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
}

.post-body pre code { background: none; padding: 0; color: var(--ink-soft); }

.post-body img { max-width: 100%; height: auto; border-radius: 6px; }

.post-body a { color: var(--cyan); text-decoration-color: var(--blue-bright); }
.post-body a:hover { color: #fff; }

.post-body hr {
  border: none;
  height: 1px;
  background: var(--grad);
  opacity: 0.6;
  margin: 2.2rem auto;
  width: 50%;
}

.permalink-note { font-size: 0.86rem; }

.permalink-note a, .recent > p a {
  color: var(--blue-bright);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  text-decoration: none;
}
.permalink-note a:hover, .recent > p a:hover { color: var(--cyan); }

/* Lists of posts */
.section-heading {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  margin: 2.6rem 0 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list li {
  margin: 0.9rem 0;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--rule);
  border-left: 3px solid var(--blue);
  border-radius: 4px;
  padding: 0.85rem 1.15rem;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.post-list li:hover {
  transform: translateX(3px);
  border-left-color: var(--cyan);
  box-shadow: 0 0 18px var(--blue-glow);
}

.post-list time {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--blue-bright);
}

.post-list a {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.post-list a:hover { color: var(--cyan); }

.post-list .summary {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.post-list.compact li {
  margin: 0.45rem 0;
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 0.5rem 1rem;
}
.post-list.compact time { display: inline; flex-shrink: 0; }
.post-list.compact a { font-size: 0.98rem; font-weight: 600; }

.archive-count { color: var(--ink-faint); letter-spacing: 0.04em; }

/* Prev/next pager */
.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pager a {
  color: var(--blue-bright);
  font-weight: 600;
  text-decoration: none;
  max-width: 45%;
}
.pager a:hover { color: var(--cyan); }
.pager .newer { text-align: right; margin-left: auto; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  position: relative;
  padding: 1.5rem 0 2.2rem;
  text-align: center;
  color: var(--ink-faint);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 2rem;
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -1px;
  height: 2px;
  background: var(--grad);
  opacity: 0.9;
}

@media (max-width: 540px) {
  .post-title, .page-title { font-size: 1.55rem; }
  .site-title { font-size: 1.15rem; letter-spacing: 0.22em; margin-right: -0.22em; }
}