:root {
  --bg: #ffffff;
  --fg: #24242c;
  --muted: #6b6b76;
  --accent: #2e2e38;
  --accent-fg: #ffffff;
  --card: #f4f4f6;
  --border: #e3e3e8;
  --max: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1d23;
    --fg: #f0f0f2;
    --muted: #a3a3ad;
    --accent: #f0f0f2;
    --accent-fg: #1d1d23;
    --card: #26262e;
    --border: #35353e;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

header img { width: 2rem; height: 2rem; border-radius: 0.5rem; }

header .brand {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  margin-right: auto;
}

nav { display: flex; gap: 1.25rem; }

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a:hover, nav a[aria-current] { color: var(--fg); }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hero { text-align: center; padding: 3rem 0 2rem; }

.hero img {
  width: 6rem;
  height: 6rem;
  border-radius: 1.25rem;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero .tagline {
  color: var(--muted);
  font-size: 1.15rem;
  margin: 0.75rem auto 0;
  max-width: 30rem;
}

.buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  width: 14rem;
  max-width: 100%;
  text-align: center;
  padding: 0.65rem 1.4rem;
  border-radius: 0.6rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  background: var(--card);
}

.btn:hover { border-color: var(--muted); }

.btn.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.btn.primary:hover { opacity: 0.9; }

.ratings {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.ratings a { color: var(--fg); text-decoration-color: var(--muted); }

.features { padding: 2rem 0 0; }

.features h2 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 1.5rem;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 1.1rem 1.3rem;
  margin-bottom: 0.9rem;
}

.feature h3 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.feature p { color: var(--muted); font-size: 0.95rem; }
.feature a { color: var(--fg); }

article h1 { font-size: 1.7rem; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
article h2 { font-size: 1.1rem; margin: 1.75rem 0 0.5rem; }
article p, article li { color: var(--fg); }
article ul { padding-left: 1.4rem; margin: 0.5rem 0; }
article .updated { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--fg); }
footer .links { display: flex; gap: 1.25rem; }