:root {
  color-scheme: light dark;
  --bg: #eef1f5;
  --ink: #1c1f24;
  --quiet: #5f6670;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d10;
    --ink: #e8eaed;
    --quiet: #9aa0a8;
  }
}
html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
}
.hero {
  min-height: calc(100dvh - 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
}
.mark {
  width: 96px;
  height: 96px;
}
h1 {
  margin: 0;
  font-weight: 200;
  font-size: 64px;
  letter-spacing: 0.01em;
}
.tagline {
  margin: 0;
  font-size: 18px;
  color: var(--quiet);
}
.cta {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 500;
  text-decoration: none;
}
.cta:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
footer {
  height: 64px;
  display: grid;
  place-items: center;
  font-size: 14px;
  color: var(--quiet);
  padding-bottom: env(safe-area-inset-bottom);
}