:root { color-scheme: dark; }

html, body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0f1115;
  color: #e5e7eb;
  line-height: 1.55;
}

a { color: #93c5fd; }
address { font-style: normal; color: #9ca3af; }

.landing {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
.landing > main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 2rem;
  text-align: center;
}
.landing > main h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin: 0 0 0.75rem;
}
.landing > main p {
  color: #9ca3af;
  max-width: 36ch;
  margin: 0 auto;
  line-height: 1.5;
}
.landing > footer {
  padding: 1.5rem 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  border-top: 1px solid #1f2937;
}
.landing > footer a {
  color: #9ca3af;
  text-decoration: none;
  margin: 0 0.75rem;
}
.landing > footer a:hover { color: #e5e7eb; }

.article {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
.article h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin: 0 0 1.5rem;
}
.article h2 {
  font-size: 1.05rem;
  margin: 2rem 0 0.5rem;
  color: #f3f4f6;
}
.article p,
.article li {
  color: #9ca3af;
  margin: 0.5rem 0;
}
.article ul { padding-left: 1.25rem; }
.article nav { margin-bottom: 2rem; }
.article nav a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.9rem;
}
.article nav a:hover { color: #e5e7eb; }
.article footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #1f2937;
  font-size: 0.85rem;
}
.article footer a {
  color: #9ca3af;
  text-decoration: none;
  margin-right: 1rem;
}
.article footer a:hover { color: #e5e7eb; }