/* ============================================
   HOUSE PLANS PAGE
   ============================================ */

.nav-links a.active {
  color: var(--color-primary);
}

.plans-hero {
  padding: clamp(6rem, 12vw, 9rem) 0 var(--space-12);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  text-align: center;
}

.plans-hero .container {
  max-width: 760px;
}

.plans-hero .section-label {
  justify-content: center;
}

.plans-hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.plans-hero .section-intro {
  margin-inline: auto;
}

.plans-listing {
  padding: var(--space-16) 0;
}

.plan-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-12);
}

.plan-filter {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.plan-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.plan-filter.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 960px) {
  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .plans-grid {
    grid-template-columns: 1fr;
  }
}

.plan-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.plan-card.is-hidden {
  display: none;
}

.plan-card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface);
}

.plan-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.plan-card:hover .plan-card-img img {
  transform: scale(1.05);
}

.plan-card-tag {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.plan-card-body {
  padding: var(--space-5) var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.plan-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.plan-card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.plan-spec {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}

.plan-spec strong {
  color: var(--color-text);
  font-weight: 700;
}

.plan-card-desc {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
  flex: 1;
}

.plan-card-btn {
  align-self: flex-start;
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.plans-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-16) 0;
  font-size: var(--text-base);
  display: none;
}

.plans-cta {
  padding: var(--space-16) 0 var(--space-20);
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}

.plans-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.plans-cta-inner .section-intro {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .plans-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}