/* Insulation product page */

.ins-hero__grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 900px) {
  .ins-hero__grid {
    grid-template-columns: 1fr minmax(280px, 42%);
  }
}

.ins-hero__visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface);
}

.ins-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.ins-metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.ins-metric {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.ins-metric__value {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-teal-light);
  line-height: 1.1;
}

.ins-metric__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
  line-height: 1.35;
}

.ins-system-nav {
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 700px) {
  .ins-system-nav {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ins-system-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: var(--space-md);
  background: linear-gradient(145deg, var(--color-surface) 0%, var(--color-warm-bg) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.ins-system-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(var(--rgb-deep), 0.12);
}

.ins-system-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--rgb-gold), 0.12);
  border-radius: var(--radius);
  color: var(--color-teal-light);
  margin-bottom: 0.25rem;
}

.ins-system-card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.ins-system-card strong {
  font-size: 1rem;
  color: var(--color-deep);
}

.ins-system-card span:last-child {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.ins-visual-split {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 900px) {
  .ins-visual-split {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .ins-visual-split--reverse .ins-diagram-card {
    order: 2;
  }

  .ins-visual-split--reverse .ins-visual-split__content {
    order: 1;
  }
}

.ins-diagram-card {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.ins-diagram-card img {
  display: block;
  width: 100%;
  height: auto;
}

.ins-diagram-card figcaption {
  padding: 0.65rem var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  background: var(--color-warm-bg-alt);
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.ins-check-list {
  margin: 0 0 var(--space-md);
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.ins-check-list li {
  margin-bottom: 0.5rem;
}

.ins-check-list li::marker {
  color: var(--color-accent);
}

.ins-icon-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ins-icon-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0.65rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
}

.ins-icon-pill svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-teal-light);
  flex-shrink: 0;
}

.ins-levels-chart {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1.25rem;
  height: 140px;
  margin: 0 auto var(--space-lg);
  max-width: 28rem;
  padding: var(--space-md);
  background: var(--color-warm-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.ins-levels-chart__bar {
  flex: 1;
  max-width: 3.5rem;
  height: var(--h, 50%);
  background: linear-gradient(to top, var(--color-teal-light), var(--color-accent));
  border-radius: 6px 6px 2px 2px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.35rem;
}

.ins-levels-chart__bar--max {
  background: linear-gradient(to top, var(--color-deep), var(--color-teal-light));
}

.ins-levels-chart__bar span {
  font-size: 0.625rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.ins-level-card__meter {
  height: 6px;
  background: var(--color-warm-bg-alt);
  border-radius: 999px;
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.ins-level-card__meter span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-teal-light));
  border-radius: inherit;
}

.ins-levels-note {
  text-align: center;
  margin-top: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.ins-benefits {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 700px) {
  .ins-benefits {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .ins-benefits {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ins-benefit {
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow);
}

.ins-benefit__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--space-sm);
  background: rgba(var(--rgb-gold), 0.12);
  border-radius: 50%;
  color: var(--color-teal-light);
}

.ins-benefit__icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.ins-benefit h3 {
  font-size: 1rem;
  margin: 0 0 0.35rem;
}

.ins-benefit p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.ins-cta-row {
  text-align: center;
  margin-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

@media (max-width: 900px) {
  .ins-metric-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .ins-levels-chart {
    height: 100px;
    gap: 0.5rem;
  }
}

@media (max-width: 500px) {
  .ins-metric-strip {
    grid-template-columns: 1fr;
  }
}

/* Foundation graphics */
.foundation-visual {
  margin-bottom: var(--space-xl);
}

.foundation-diagram {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

@media (min-width: 900px) {
  .foundation-diagram {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    grid-template-rows: auto auto;
    align-items: start;
  }

  .foundation-diagram__legend {
    grid-row: 1 / 3;
  }

  .foundation-diagram__canvas {
    grid-column: 2;
  }

  .foundation-diagram__detail {
    grid-column: 2;
  }
}

.foundation-diagram__legend {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.foundation-layer-btn {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-warm-bg);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.foundation-layer-btn:hover {
  border-color: var(--color-accent);
  background: #eefaf9;
}

.foundation-layer-btn.is-active {
  border-color: var(--color-accent);
  background: #e0f7f5;
  box-shadow: 0 0 0 2px rgba(var(--rgb-gold), 0.2);
}

.foundation-layer-btn__swatch {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  margin-top: 0.2rem;
  border-radius: 3px;
  border: 1px solid rgba(var(--rgb-deep), 0.15);
}

.foundation-layer-btn__swatch--xps {
  background: var(--color-accent);
}

.foundation-layer-btn__swatch--concrete {
  background: #8b8f94;
}

.foundation-layer-btn__swatch--drain {
  background: #87ceeb;
}

.foundation-layer-btn__swatch--waterproof {
  background: var(--color-teal-light);
}

.foundation-layer-btn__swatch--structure {
  background: var(--color-warm-bg-alt);
}

.foundation-layer-btn__text strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-deep);
}

.foundation-layer-btn__hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.foundation-diagram__canvas {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-warm-bg);
}

.foundation-diagram__canvas svg {
  width: 100%;
  height: auto;
  display: block;
}

.foundation-diagram__canvas.is-dim [data-layer] {
  opacity: 0.32;
  transition: opacity 0.25s ease, filter 0.25s ease;
}

.foundation-diagram__canvas.is-dim [data-layer].is-highlight {
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(var(--rgb-gold), 0.55));
}

.foundation-diagram__detail {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-warm-bg-alt);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.foundation-diagram__detail strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-deep);
}

.foundation-diagram__detail p {
  margin: 0;
  color: var(--color-text-muted);
}

.foundation-features {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 700px) {
  .foundation-features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.foundation-feature {
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.foundation-feature__icon {
  width: 100%;
  max-width: 120px;
  margin: 0 auto var(--space-sm);
}

.foundation-feature h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1rem;
}

.foundation-feature p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.foundation-compare {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: linear-gradient(180deg, var(--color-warm-bg-alt) 0%, var(--color-warm-bg) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

@media (min-width: 640px) {
  .foundation-compare {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
}

.foundation-compare__title {
  grid-column: 1 / -1;
  text-align: center;
  margin: 0 0 var(--space-sm);
}

.foundation-compare__vs {
  display: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  text-align: center;
}

@media (min-width: 640px) {
  .foundation-compare__vs {
    display: block;
  }
}

.foundation-compare__card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-sm);
  box-shadow: var(--shadow);
}

.foundation-compare__card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.foundation-compare__card figcaption {
  margin-top: var(--space-xs);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
}

.foundation-compare__card--polar figcaption {
  color: var(--color-teal-light);
  font-weight: 500;
}

.foundation-copy {
  max-width: 40rem;
  margin: 0 auto var(--space-lg);
  text-align: center;
}

.foundation-copy ul {
  text-align: left;
  display: inline-block;
  margin: var(--space-md) auto 0;
}