:root {
  --bg: #0f1419;
  --surface: #1a222d;
  --text: #e8eef4;
  --muted: #9aa8b5;
  --accent: #5b9fd4;
  --border: #2a3544;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 1.05rem;
}
a { color: var(--accent); }
a:hover { text-decoration: underline; }
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--surface);
  padding: 0.5rem 1rem;
  z-index: 10;
}
.site-header, .site-footer, main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}
.site-header {
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
}
.brand a {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.brand p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}
nav a[aria-current="page"] {
  font-weight: 700;
  color: var(--text);
}
h1 { font-size: 1.85rem; line-height: 1.25; margin: 0 0 0.75rem; }
h2 { font-size: 1.35rem; margin: 1.75rem 0 0.5rem; }
h3 { font-size: 1.1rem; margin: 1.25rem 0 0.4rem; }
.lede { font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); font-size: 0.95rem; }
article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.35rem;
  margin: 1.25rem 0;
}
ul { padding-left: 1.25rem; }
.cta {
  display: inline-block;
  background: var(--accent);
  color: #0a0e12 !important;
  font-weight: 700;
  text-decoration: none !important;
  padding: 0.65rem 1.1rem;
  border-radius: 6px;
}
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-bottom: 2.5rem;
}