:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --surface: #141821;
  --border: #232a38;
  --text: #f2f5fa;
  --muted: #a3adbd;
  --accent: #ff7a1a;
  --on-accent: #0b0d12;
  --glow: rgba(255, 122, 26, 0.45);
  --glow-soft: rgba(255, 122, 26, 0.14);
  --content-max-width: 40rem;
  --page-padding-x: 1.25rem;
}

body.page-home {
  --content-max-width: 64rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg) radial-gradient(ellipse 70rem 32rem at 50% 0, var(--glow-soft), transparent) no-repeat;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a:focus-visible,
button:focus-visible,
.cta-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

header,
main,
footer {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding-left: var(--page-padding-x);
  padding-right: var(--page-padding-x);
}

header {
  padding-top: 1.5rem;
}

main {
  padding-top: 1.5rem;
  padding-bottom: 3rem;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

a {
  color: var(--accent);
}

footer {
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (min-width: 640px) {
  :root {
    --page-padding-x: 0rem;
  }
}

.brand {
  display: inline-block;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.hero {
  padding: 1.5rem 0 1rem;
}

.hero h1 {
  font-size: 1.9rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 0.35rem;
  transition: box-shadow 0.2s ease;
}

.cta-button:hover {
  box-shadow: 0 0 24px var(--glow);
}

body.error-page main {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

body.error-page h1 {
  font-size: 1.6rem;
}