.page-hero {
  padding-block: calc(var(--header-h) + 40px) 32px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 32px;
}

.page-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.page-hero__desc {
  font-size: 15px;
  color: var(--text-secondary);
}

.mobile-filter-toggle {
  display: none;
  width: 100%;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .sidebar.is-open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 150;
    background: var(--bg-base);
    padding: 24px;
    overflow-y: auto;
  }
  .mobile-filter-toggle { display: flex; }
}