.demos-landing {
  margin-top: 0.5rem;
}

.demos-hero-panel {
  position: relative;
  overflow: hidden;
  padding: 3rem 3rem 2.8rem;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background:
    radial-gradient(circle at 85% 20%, rgba(249, 115, 22, 0.24), transparent 28%),
    radial-gradient(circle at 10% 90%, rgba(14, 116, 144, 0.16), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.94));
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
}

html[data-theme="dark"] .demos-hero-panel {
  border-color: rgba(148, 163, 184, 0.16);
  background:
    radial-gradient(circle at 85% 20%, rgba(249, 115, 22, 0.22), transparent 28%),
    radial-gradient(circle at 10% 90%, rgba(56, 189, 248, 0.12), transparent 30%),
    linear-gradient(135deg, rgba(15, 23, 42, 0.97), rgba(8, 13, 25, 0.98));
}

.demos-hero-eyebrow,
.demos-start-eyebrow {
  margin-bottom: 0.75rem;
  color: var(--docs-accent-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.demos-hero-heading {
  margin: 0;
  max-width: 46rem;
  font-family: "Source Serif 4", "Times New Roman", serif;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.demos-hero-copy {
  max-width: 45rem;
  margin: 1.15rem 0 0;
  color: var(--docs-muted);
  font-size: 1.15rem;
  line-height: 1.65;
}

.demos-area-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 2.5rem;
}

.demos-area-card {
  position: relative;
  display: flex;
  min-height: 23rem;
  flex-direction: column;
  padding: 1.5rem;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: var(--docs-ink) !important;
  text-decoration: none !important;
  background: var(--docs-card);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.demos-area-card::after {
  content: "";
  position: absolute;
  inset: auto -16% -28% 28%;
  height: 48%;
  border-radius: 999px;
  opacity: 0.12;
  filter: blur(6px);
  transition: transform 180ms ease, opacity 180ms ease;
}

.demos-area-rom::after {
  background: #f97316;
}

.demos-area-surrogates::after {
  background: #0e7490;
}

.demos-area-workflows::after {
  background: #7c3aed;
}

.demos-area-card:hover {
  transform: translateY(-8px);
  border-color: rgba(15, 23, 42, 0.28);
  box-shadow: 0 26px 54px rgba(15, 23, 42, 0.14);
}

.demos-area-card:hover::after {
  transform: scale(1.08);
  opacity: 0.18;
}

html[data-theme="dark"] .demos-area-card {
  border-color: rgba(148, 163, 184, 0.16);
  box-shadow: 0 14px 34px rgba(2, 6, 23, 0.5);
}

html[data-theme="dark"] .demos-area-card:hover {
  border-color: rgba(148, 163, 184, 0.34);
  box-shadow: 0 28px 58px rgba(2, 6, 23, 0.7);
}

.demos-area-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.demos-area-index {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--docs-muted);
}

.demos-area-arrow {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  font-size: 1.05rem;
  transition: transform 180ms ease, background 180ms ease;
}

.demos-area-card:hover .demos-area-arrow {
  transform: translate(2px, -2px);
  background: rgba(148, 163, 184, 0.11);
}

.demos-area-card h2 {
  margin: 0 0 0.8rem;
  font-family: "Source Serif 4", "Times New Roman", serif;
  font-size: 1.8rem;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.demos-area-card p {
  margin: 0;
  color: var(--docs-muted);
  line-height: 1.6;
}

.demos-area-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 2rem;
}

.demos-area-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: rgba(248, 250, 252, 0.74);
  color: var(--docs-muted);
  font-size: 0.78rem;
  font-weight: 600;
}

html[data-theme="dark"] .demos-area-tags span {
  border-color: rgba(148, 163, 184, 0.15);
  background: rgba(15, 23, 42, 0.62);
}

.demos-start-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 1.25rem;
  margin: 0 0 2rem;
  padding: 1.5rem;
  border-radius: 22px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(248, 250, 252, 0.68);
}

html[data-theme="dark"] .demos-start-panel {
  border-color: rgba(148, 163, 184, 0.14);
  background: rgba(15, 23, 42, 0.5);
}

.demos-start-copy h2 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.18;
}

.demos-start-links {
  display: grid;
  gap: 0.75rem;
}

.demos-start-links a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: var(--docs-card);
  color: var(--docs-ink) !important;
  text-decoration: none !important;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.demos-start-links a:hover {
  transform: translateX(4px);
  border-color: rgba(249, 115, 22, 0.42);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.demos-start-links span {
  color: var(--docs-muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .demos-area-grid {
    grid-template-columns: 1fr;
  }

  .demos-area-card {
    min-height: 0;
  }

  .demos-area-tags {
    margin-top: 1.5rem;
    padding-top: 0;
  }

  .demos-start-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .demos-hero-panel {
    padding: 2.2rem 1.5rem;
  }

  .demos-area-card {
    padding: 1.25rem;
  }
}