:root {
  color-scheme: dark;
  --bg: #080d1a;
  --card: #111a30;
  --border: #26314f;
  --text: #f7f9ff;
  --muted: #aeb8cf;
  --accent: #8ea6ff;
  --mint: #66dcb8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #080d1a 0%, #121b36 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0.35rem 0 0.5rem;
  font-size: clamp(2rem, 7vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.5rem 0 0.6rem;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

h3 {
  margin: 1.75rem 0 0.4rem;
  font-size: 1.05rem;
  color: var(--text);
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

h1 + .meta,
.meta {
  color: #8b95ad;
  font-size: 0.95rem;
}

strong {
  color: var(--text);
  font-weight: 600;
}

code {
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
  background: #1b2440;
  color: var(--mint);
  font-size: 0.9em;
}

a {
  color: var(--accent);
  text-decoration-color: rgba(142, 166, 255, 0.4);
  text-underline-offset: 0.2em;
}

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

.callout {
  margin: 1.75rem 0 0;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--mint);
  border-radius: 0.9rem;
  background: var(--card);
}

.callout p {
  margin: 0;
  color: #cdd5e8;
}

.links {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.links li {
  margin: 0 0 0.75rem;
}

footer {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: #6f7a94;
  font-size: 0.9rem;
}