:root {
  --bg: #0f1115;
  --surface: #171a21;
  --text: #e6e8ee;
  --muted: #9aa2b1;
  --accent: #6c9cff;
  --border: #262b36;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  font-size: 0.9em;
}

.hero {
  max-width: 820px;
  margin: 0 auto;
  padding: 96px 24px 48px;
  text-align: center;
}

.hero .logo {
  display: block;
  margin: 0 auto 20px;
  border-radius: 20px;
}

.hero h1 {
  font-size: 3rem;
  margin: 0 0 0.25em;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 40ch;
  margin: 0 auto 1.5em;
}

.cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  background: var(--accent);
  color: #0b0d12;
  font-weight: 600;
  text-decoration: none;
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.hero-demo {
  margin-top: 40px;
}

.hero-demo img,
.hero-demo video {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.features {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 32px 0 56px;
}

.features article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
}

.features h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.install {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 26px;
}

.install ul {
  padding-left: 1.2em;
}

.ipad-note {
  margin-top: 1em;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: rgba(108, 156, 255, 0.08);
  border-radius: 6px;
  color: var(--muted);
}

footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 64px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  text-align: center;
}