/* seqtree docs — namespaced (proj-) styles over pydata-sphinx-theme variables */

.proj-intro {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin: 1rem 0 2rem;
}
.proj-intro__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--pst-color-primary);
  margin: 0 0 0.4rem;
}
.proj-intro__lead {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--pst-color-text-base);
  margin: 0 0 0.6rem;
}
.proj-intro__links a { font-weight: 600; }
.proj-intro__links span { color: var(--pst-color-border); margin: 0 0.4rem; }

.proj-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.proj-card {
  display: block;
  border: 1px solid var(--pst-color-border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: var(--pst-color-text-base);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.proj-card:hover {
  border-color: var(--pst-color-primary);
  transform: translateY(-2px);
}
.proj-card h3 { margin: 0 0 0.3rem; font-size: 1rem; }
.proj-card p { margin: 0; font-size: 0.9rem; opacity: 0.85; }

.proj-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}
.proj-feature {
  border-left: 3px solid var(--pst-color-primary);
  padding: 0.2rem 0 0.2rem 1rem;
}
.proj-feature h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.proj-feature p { margin: 0; line-height: 1.55; }

@media (max-width: 900px) {
  .proj-intro { flex-direction: column; align-items: flex-start; }
  .proj-card-grid { grid-template-columns: 1fr 1fr; }
  .proj-feature-grid { grid-template-columns: 1fr; }
}