body {
  background:
    radial-gradient(circle at top left, rgba(69, 71, 242, 0.10), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fc 100%);
  min-height: 100vh;
}

.showcase {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 54px 0 70px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: #4547f2;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--demo-navy);
  font-size: clamp(34px, 5vw, 62px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero p {
  max-width: 620px;
  margin: 16px 0 0;
  color: #2a315d;
  font-size: 17px;
  line-height: 1.65;
}

.github-note {
  display: grid;
  gap: 6px;
  min-width: 230px;
  padding: 18px;
  border: 1px solid rgba(217, 222, 234, 0.86);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--demo-shadow);
  backdrop-filter: blur(12px);
}

.github-note strong {
  color: var(--demo-navy);
  font-size: 15px;
}

.github-note span {
  color: var(--demo-muted);
  font-size: 13px;
  line-height: 1.5;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.demo-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(217, 222, 234, 0.92);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--demo-shadow);
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.demo-card:hover {
  transform: translateY(-5px);
  border-color: rgba(69, 71, 242, 0.45);
  box-shadow: 0 28px 70px rgba(9, 18, 65, 0.12);
}

.demo-preview {
  aspect-ratio: 1.55 / 1;
  overflow: hidden;
  background: #eef1f7;
}

.demo-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.45s ease;
}

.demo-card:hover .demo-preview img {
  transform: scale(1.035);
}

.demo-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px;
}

.demo-number {
  width: max-content;
  margin-bottom: 13px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #f1f3ff;
  color: #4547f2;
  font-size: 12px;
  font-weight: 900;
}

.demo-body h2 {
  margin: 0 0 10px;
  color: var(--demo-navy);
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.demo-body p {
  flex: 1;
  margin: 0;
  color: #3b426b;
  font-size: 14px;
  line-height: 1.65;
}

.demo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 20px;
}

.demo-tags span {
  padding: 6px 9px;
  border: 1px solid #e1e5f0;
  border-radius: 999px;
  color: #3f486e;
  background: #fff;
  font-size: 12px;
  font-weight: 700;
}

.demo-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 42px;
  border-radius: 999px;
  color: #fff;
  background: var(--demo-navy);
  font-size: 14px;
  font-weight: 800;
}

.structure {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid rgba(217, 222, 234, 0.92);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: var(--demo-shadow);
}

.structure h2 {
  margin: 0 0 12px;
  color: var(--demo-navy);
  font-size: 22px;
}

.structure pre {
  overflow: auto;
  margin: 0;
  padding: 18px;
  border-radius: 16px;
  background: #071441;
  color: #eef2ff;
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .demo-grid {
    grid-template-columns: 1fr;
  }

  .demo-card {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
  }

  .demo-preview {
    min-height: 100%;
    aspect-ratio: auto;
  }
}

@media (max-width: 640px) {
  .showcase {
    width: calc(100% - 28px);
    padding: 36px 0 48px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p {
    font-size: 15px;
  }

  .demo-card {
    display: flex;
  }

  .demo-preview {
    aspect-ratio: 1.45 / 1;
  }

  .demo-body {
    padding: 18px;
  }
}