:root {
  color-scheme: dark;
  --background: #07111f;
  --surface: #0c1a2b;
  --border: #23344a;
  --text: #f7fafc;
  --muted: #9fb0c4;
  --accent: #5eead4;
  --accent-strong: #2dd4bf;
}

[data-theme="light"] {
  color-scheme: light;
  --background: #f7fafc;
  --surface: #ffffff;
  --border: #ced8e4;
  --text: #102033;
  --muted: #52657b;
  --accent: #0f766e;
  --accent-strong: #0d9488;
}

* { box-sizing: border-box; }

html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 16%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 28rem),
    var(--background);
}

a { color: inherit; }

button { font: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: .7rem 1rem;
  color: var(--background);
  background: var(--accent);
}

.skip-link:focus { top: 1rem; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding: 0 clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--background) 88%, transparent);
}

.brand {
  display: flex;
  gap: .55rem;
  align-items: center;
  font-weight: 750;
  text-decoration: none;
}

.brand span { color: var(--accent); font-family: "SFMono-Regular", Consolas, monospace; }

.site-header nav { display: flex; align-items: center; gap: 1.25rem; }

.site-header nav a { color: var(--muted); font-size: .9rem; text-decoration: none; }

.site-header nav a:hover { color: var(--text); }

.site-header button,
.install button {
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface);
  border-radius: .45rem;
  cursor: pointer;
}

.site-header button { width: 2rem; height: 2rem; }

main {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 8rem) 0 5rem;
}

.hero { max-width: 52rem; margin: 0 auto; text-align: center; }

.mark {
  display: grid;
  place-items: center;
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1.6rem;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  border-radius: 1.1rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  box-shadow: 0 0 3rem color-mix(in srgb, var(--accent) 16%, transparent);
  font: 700 1.7rem "SFMono-Regular", Consolas, monospace;
}

.eyebrow {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .15em;
  text-transform: uppercase;
}

h1 {
  max-width: 48rem;
  margin: .8rem auto 1rem;
  font-size: clamp(2.7rem, 8vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.summary {
  max-width: 43rem;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
}

.actions { display: flex; justify-content: center; gap: .8rem; margin: 2rem 0; }

.button {
  padding: .82rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: .55rem;
  background: var(--surface);
  font-weight: 700;
  text-decoration: none;
}

.button.primary { border-color: var(--accent-strong); color: #031713; background: var(--accent); }

.install {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: center;
  max-width: 50rem;
  margin: 0 auto;
  padding: .8rem 1rem;
  border: 1px solid var(--border);
  border-radius: .65rem;
  text-align: left;
  background: var(--surface);
}

.install span { color: var(--accent); }

.install code {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font: .86rem/1.5 "SFMono-Regular", Consolas, monospace;
}

.install button { padding: .4rem .65rem; }

.meta { margin-top: 1rem; color: var(--muted); font-size: .82rem; }

.terminal-preview {
  max-width: 62rem;
  margin: 5rem auto 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: .9rem;
  background: #050a11;
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, .32);
}

.terminal-preview img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}

footer {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 2rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .82rem;
}

@media (max-width: 640px) {
  .site-header nav a:first-child { display: none; }
  main { padding-top: 3.5rem; }
  .actions { flex-direction: column; }
  .install { grid-template-columns: auto 1fr; }
  .install button { grid-column: 1 / -1; }
  footer { flex-wrap: wrap; }
}