/* =====================================================
   Hub Page — Calculator directory
   ===================================================== */

.hub-hero {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
}

.hub-hero h1 {
  font-size: 2rem;
  color: var(--color-dark);
}

.hub-hero__sub {
  color: var(--color-gray-500);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

.hub-counter-row {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.hub-counter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-gray-700);
}

.hub-counter-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Search */
.hub-search-wrap {
  max-width: 480px;
  margin: 0 auto var(--space-xl);
}

.hub-search {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: 999px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.hub-search:focus-within {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
}

.hub-search svg { color: var(--color-gray-500); flex-shrink: 0; }

.hub-search input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.95rem;
  font-family: var(--font-body);
  background: transparent;
  color: var(--color-gray-900);
}

/* Category sections */
.hub-category {
  margin-bottom: var(--space-2xl);
}

.hub-category__title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.1rem;
  color: var(--color-gray-700);
  margin-bottom: var(--space-lg);
}

.hub-category__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Card grid */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.hub-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.hub-card:hover {
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.hub-card__icon {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-50);
  border-radius: var(--border-radius);
  flex-shrink: 0;
}

.hub-card__body { flex: 1; min-width: 0; }

.hub-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 2px 0;
  color: var(--color-dark);
}

.hub-card__desc {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin: 0;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hub-card__arrow {
  color: var(--color-gray-300);
  flex-shrink: 0;
  transition: color var(--transition), transform var(--transition);
}

.hub-card:hover .hub-card__arrow {
  color: var(--brand-primary);
  transform: translateX(2px);
}

/* Hidden by search */
.hub-card.hidden { display: none; }
.hub-category.hidden { display: none; }

@media (max-width: 768px) {
  .hub-grid { grid-template-columns: 1fr; }
  .hub-counter-row { flex-wrap: wrap; justify-content: center; }
}