:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: #e5e7eb;
  background: #0b1020;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 15%, rgb(37 99 235 / 22%), transparent 32rem),
    radial-gradient(circle at 85% 75%, rgb(14 165 233 / 15%), transparent 30rem),
    #0b1020;
}

main {
  width: min(76rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 7rem) 0 3rem;
}

.hero {
  max-width: 50rem;
}

.eyebrow,
.card-label {
  margin: 0 0 0.5rem;
  color: #7dd3fc;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 42rem;
  margin: 0;
  color: #f8fafc;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.intro {
  margin: 1.5rem 0 0;
  color: #cbd5e1;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.intro code,
.version strong {
  color: #bae6fd;
}

.version {
  margin: 1rem 0 0;
  color: #94a3b8;
  font-size: 0.9rem;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2.5rem, 6vw, 5rem);
}

.demo-card {
  display: flex;
  min-height: 21rem;
  padding: 1.5rem;
  flex-direction: column;
  background: rgb(17 24 39 / 78%);
  border: 1px solid #334155;
  border-radius: 0.9rem;
  box-shadow: 0 1rem 3rem rgb(0 0 0 / 18%);
}

.demo-card h2 {
  margin: 0;
  color: #f8fafc;
  font-size: 1.6rem;
}

.demo-card p:not(.card-label) {
  margin: 1rem 0;
  color: #aebdd0;
  line-height: 1.6;
}

.demo-card code {
  display: block;
  padding: 0.75rem;
  overflow: hidden;
  color: #d1fae5;
  font-size: 0.75rem;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: #070b16;
  border: 1px solid #1e293b;
  border-radius: 0.45rem;
}

.demo-card a {
  display: block;
  margin-top: auto;
  padding: 0.75rem 1rem;
  color: #082f49;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  background: #7dd3fc;
  border-radius: 0.5rem;
}

.demo-card a:hover {
  background: #bae6fd;
}

a:focus-visible {
  outline: 3px solid #f8fafc;
  outline-offset: 0.2rem;
}

footer {
  margin-top: 2rem;
  text-align: center;
}

footer a {
  color: #7dd3fc;
  font-weight: 600;
  text-underline-offset: 0.2em;
}

footer a:hover {
  color: #bae6fd;
}

@media (max-width: 54rem) {
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .demo-card {
    min-height: 17rem;
  }
}