/* ════════════════════════════════════════════════════════════
   residential.css — Residential Garage Flooring page
   ════════════════════════════════════════════════════════════ */

/* ─── Page Hero (shared pattern) ────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-4xl));
  padding-bottom: var(--space-3xl);
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(56px, 10vw, 120px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

/* ─── Intro ──────────────────────────────────────────────── */
.res-intro-section {
  background: var(--color-dark);
}

.res-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.res-factors {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  margin-top: var(--space-xl);
}

.res-factors-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-red);
  display: block;
  margin-bottom: var(--space-lg);
}

.res-factors-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.res-factors-list li {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.res-factors-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-red);
  flex-shrink: 0;
}

.res-factors-list li:last-child {
  border-bottom: none;
}

@media (max-width: 900px) {
  .res-intro-grid { grid-template-columns: 1fr; }
  .res-factors { margin-top: 0; }
}

/* ─── Builder Partners ───────────────────────────────────── */
.res-partners-section {
  background: var(--color-black);
  border-top: 1px solid var(--color-border);
}

.res-partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.res-partner-item {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 10px;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  transition: background var(--transition-base), transform var(--transition-base);
}

.res-partner-item:hover {
  background: #ffffff;
  transform: translateY(-2px);
}

.res-partner-item img {
  max-width: 130px;
  max-height: 64px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

@media (max-width: 900px) {
  .res-partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .res-partners-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ─── Product Tabs ───────────────────────────────────────── */
.res-products-section {
  background: var(--color-dark);
  border-top: 1px solid var(--color-border);
}

.product-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.tab-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), border-color var(--transition-base);
  cursor: none;
  min-width: 180px;
  flex: 1;
}

.tab-btn:hover {
  border-color: rgba(255,255,255,0.25);
}

.tab-btn.active {
  background: var(--color-red);
  border-color: var(--color-red);
}

.tab-price {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--color-white);
  line-height: 1;
}

.tab-price small {
  font-size: 14px;
  opacity: 0.7;
  font-family: var(--font-body);
  letter-spacing: 0.06em;
}

.tab-name {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.tab-btn.active .tab-name {
  color: rgba(245,240,232,0.85);
}

/* Tab panels */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.tab-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.tab-content-body .section-body {
  color: var(--color-muted);
  line-height: 1.75;
}

.tab-pros-cons {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.pros-cons-heading {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.pros-cons-heading.pros { color: #4ade80; }
.pros-cons-heading.cons { color: var(--color-gold); }

.pros-cons-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pros-cons-list li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  padding-left: var(--space-lg);
  position: relative;
}

.pros-cons-list.pros li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: #4ade80;
  font-weight: 700;
}

.pros-cons-list.cons li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

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

/* ─── Credibility ────────────────────────────────────────── */
.res-credibility-section {
  background: var(--color-black);
  border-top: 1px solid var(--color-border);
}

.credibility-block {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.credibility-quote {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.75;
  color: var(--color-white);
  font-style: italic;
  margin-block: var(--space-xl) var(--space-2xl);
}

.credibility-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}