/* ==========================================================================
   ELEVATED ROOFING PARTNERS — asphalt-detail.css
   Individual material detail page styles (asphalt shingles, reusable for future)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. PRODUCT LINE — Split layout (image + specs)
   -------------------------------------------------------------------------- */
.product-line {
  max-width: var(--container-max);
}

.product-line__header {
  margin-bottom: var(--space-10);
}

.product-line__header h2 {
  font-size: var(--text-4xl);
  line-height: 0.95;
  margin-top: var(--space-3);
}

@media (max-width: 767px) {
  .product-line__header h2 {
    font-size: var(--text-3xl);
  }
}

@media (min-width: 768px) {
  .product-line__header h2 {
    font-size: var(--text-5xl);
  }
}

.product-line__tagline {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.6;
  max-width: 640px;
  margin-top: var(--space-4);
}

.product-line__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}

@media (min-width: 768px) {
  .product-line__split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.product-line__image img {
  width: 100%;
  height: auto;
  display: block;
}

.product-line__details .prose {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.product-line__details .prose p + p {
  margin-top: var(--space-4);
}

/* Spec grid on light backgrounds */
.section--white .spec-grid,
.section--offwhite .spec-grid {
  border-color: rgba(0, 0, 0, 0.12);
}

.section--white .spec-item,
.section--offwhite .spec-item {
  border-color: rgba(0, 0, 0, 0.12);
}

.section--white .spec-item__label,
.section--offwhite .spec-item__label {
  color: var(--color-text-muted);
}

.section--white .spec-item__value,
.section--offwhite .spec-item__value {
  color: var(--color-charcoal);
}

/* --------------------------------------------------------------------------
   2. COLOR PALETTE GRID
   -------------------------------------------------------------------------- */
.color-palette {
  margin-top: var(--space-12);
}

.color-palette__heading {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-lg);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-6);
}

.color-palette__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 480px) {
  .color-palette__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .color-palette__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .color-palette__grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.color-swatch {
  text-align: center;
  cursor: pointer;
}

.color-swatch__block {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid rgba(0, 0, 0, 0.10);
  border-radius: var(--radius-sm, 4px);
}

.color-swatch img,
.color-swatch__block {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.color-swatch img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-sm, 4px);
}

.color-swatch:hover img,
.color-swatch:hover .color-swatch__block {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

.color-swatch__name {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.color-swatch:hover .color-swatch__name {
  color: var(--color-charcoal, #2c2c2c);
}

/* --- Materials Nav Hover Preview --- */
.materials-nav__link {
  position: relative;
}

.materials-nav__preview {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  padding-top: 10px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 9999;
}

.materials-nav__preview-card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.22);
  overflow: hidden;
  position: relative;
}

.materials-nav__preview img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}
.materials-nav__preview img[src*="profile"] {
  object-fit: contain;
  background: #f5f3ef;
  padding: 12px 8px;
}

.materials-nav__preview span {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-charcoal, #2c2c2c);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
}

.materials-nav__link:hover .materials-nav__preview {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Gray out sibling links when one is hovered */
.materials-nav__inner:hover .materials-nav__link {
  opacity: 0.4;
}

.materials-nav__inner:hover .materials-nav__link:hover,
.materials-nav__inner:hover .materials-nav__link.active {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   3. TECHNOLOGY CARDS (dark background)
   -------------------------------------------------------------------------- */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

@media (min-width: 768px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tech-card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 3px solid var(--color-gold);
  padding: var(--space-8);
}

@media (prefers-reduced-motion: no-preference) {
  .tech-card {
    transition: border-color var(--transition-base), background-color var(--transition-base);
  }

  .tech-card:hover {
    background-color: rgba(255, 255, 255, 0.07);
    border-top-color: var(--color-gold);
  }
}

.tech-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.tech-card__desc {
  font-size: var(--text-sm);
  color: var(--color-warmgray);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   4. SYSTEM STEPS (Integrity Roof System)
   -------------------------------------------------------------------------- */
.system-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

@media (min-width: 768px) {
  .system-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .system-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.system-step {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.system-step__number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-3xl);
  color: var(--color-gold);
  line-height: 1;
  flex-shrink: 0;
}

.system-step__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.system-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   5. HOMEPAGE — Material card + button wrapper
   -------------------------------------------------------------------------- */
.material-card-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.material-card-wrap .service-card {
  width: 100%;
}

/* --------------------------------------------------------------------------
   6. COMPARISON TABLE — wider for 6 columns
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  .comparison-table--wide {
    min-width: 900px;
  }
}

/* --------------------------------------------------------------------------
   7. MATERIALS NAV — horizontal scroll on mobile for many tabs
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  .materials-nav__inner {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* --------------------------------------------------------------------------
   8. INTRO PROSE (light background)
   -------------------------------------------------------------------------- */
.intro-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .intro-split {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-12);
  }
}

.intro-logo {
  text-align: center;
}

.intro-logo img {
  max-width: 100%;
  height: auto;
}

.intro-prose {
  max-width: 780px;
}

.intro-prose p {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.8;
}

.intro-prose p + p {
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   9. KICKER ON LIGHT BACKGROUNDS
   -------------------------------------------------------------------------- */
.section--white .material-section__kicker,
.section--offwhite .material-section__kicker {
  color: var(--color-od-green);
  border-color: var(--color-od-green);
}