:root {
  --bg: #fafaf9;
  --text: #1d1d1f;
  --muted: #6b6b70;
  --accent: #3b7ddd;
  --accent-text: #ffffff;
  --hairline: #e6e6e3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1c;
    --text: #ececef;
    --muted: #9a9aa0;
    --accent: #5b9bff;
    --accent-text: #0f0f10;
    --hairline: #2c2c30;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.5rem 2rem;
}

.hero {
  text-align: center;
  padding-bottom: 1rem;
}

.appname {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.glyph {
  color: var(--accent);
  vertical-align: middle;
}

.tagline {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text);
  margin: 0 auto 1.5rem;
  max-width: 36ch;
}

.intro {
  color: var(--muted);
  max-width: 52ch;
  margin: 0 auto 2.5rem;
  text-align: left;
}

.cta { margin: 2rem 0 1rem; }

.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  transition: opacity 0.15s ease;
}

.button:hover { opacity: 0.9; }
.button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.release-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.9rem 0 0.4rem;
}

.secondary-link { margin: 0.4rem 0 0; }

.secondary-link a,
.intro a,
footer a,
.notes a {
  color: var(--accent);
}

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

section {
  margin: 3rem 0;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.steps,
.features {
  padding-left: 1.25rem;
  margin: 0;
}

.steps li,
.features li {
  margin: 0.4rem 0;
}

.features { list-style: none; padding-left: 0; }
.features li {
  padding-left: 1.5rem;
  position: relative;
}
.features li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.notes {
  color: var(--muted);
  white-space: pre-wrap;
  word-wrap: break-word;
}

footer {
  border-top: 1px solid var(--hairline);
  max-width: 720px;
  margin: 2rem auto 0;
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

footer p { margin: 0; }

@media (max-width: 480px) {
  main { padding-top: 2.5rem; }
  .appname { font-size: 2rem; }
  .tagline { font-size: 1.15rem; }
}