/* Product Page Specific Styles */

/* Scroll offset for anchor links to account for sticky header */
section[id] {
  scroll-margin-top: 100px;
}

/* Breadcrumb on Product Pages — no background, inherits hero gradient */
.breadcrumb {
  background: transparent;
  padding: var(--space-xs) 0 var(--space-lg) 0;
}

/* Hero Section */
.hero {
  background:
    linear-gradient(160deg, rgba(212,212,212,0.62) 0%, rgba(235,235,235,0.56) 75%),
    url('../../background.jpg') left center / cover;
  padding: 0 0 var(--space-xl) 0;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.hero__content h1 {
  font-family: var(--font-heading);
  color: var(--color-red-dark);
  margin-bottom: var(--space-sm);
  font-size: clamp(1.8rem, 2.9vw, 2.7rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero__subheading {
  font-size: var(--font-size-2xl);
  color: var(--color-grey-dark);
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: var(--line-height-tight);
}

.hero__intro {
  font-size: var(--font-size-md);
  font-weight: 500;
  line-height: var(--line-height-normal);
  color: var(--color-grey-dark);
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.hero__actions .btn {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-sm);
  border-radius: 0;
  border: none;
}

.hero__actions .btn--secondary {
  border: none;
}

.hero__image {
  width: 80%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .hero__content {
    order: 1;
  }

  .hero__image-wrapper {
    order: 2;
  }
}

/* Description & Benefits Combined Section */
.description-benefits {
  background-color: var(--color-white);
}

.description-benefits__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.description__content {
  padding-right: var(--space-lg);
}

.description__content h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.description__content h3:first-child {
  margin-top: 0;
}

.description__content p {
  margin-bottom: var(--space-md);
}

.description__content img {
  margin: var(--space-md) 0;
}

/* ── Tables in description sections (e.g. comparison tables) ── */
.description__content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: var(--font-size-sm);
}

.description__content thead {
  background-color: var(--color-red-dark);
  color: var(--color-white);
}

.description__content th,
.description__content td {
  padding: var(--space-xs) var(--space-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-grey-light);
}

.description__content td:last-child {
  font-weight: 700;
}

.benefits__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
  margin: 0;
}

.benefits__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: #ececec;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-red);
  margin: 0;
}

.benefits__icon {
  width: 20px;
  height: 20px;
  color: var(--color-red);
  flex-shrink: 0;
}

.benefits__text {
  color: var(--color-grey-dark);
  margin: 0;
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.benefits__text strong {
  color: var(--color-black);
  display: block;
  margin-bottom: 0.25rem;
  font-size: var(--font-size-md);
}

@media (max-width: 768px) {
  .description-benefits__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .description__content {
    padding-right: 0;
  }
}

.description__content h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.description__content h2:first-child {
  margin-top: 0;
}

/* Performance and Case Studies Section */
.performance-case-studies {
  background-color: #f0f0f0;
}

.performance-case-studies__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.performance-case-studies__column h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 3px solid var(--color-red);
}

.performance-case-studies__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.performance-case-studies__list li {
  margin: 0;
  border-bottom: 1px solid var(--color-grey-light);
}

.performance-case-studies__list li:last-child {
  border-bottom: none;
}

.performance-case-studies__list a {
  display: block;
  padding: var(--space-xs) 0;
  color: var(--color-red-dark);
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.performance-case-studies__list a:hover {
  color: var(--color-red);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .performance-case-studies__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* Specifications Section */
.specifications {
  background-color: #fff0f0;
  margin-bottom: 0;
}

.specifications > .container > h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
}


/* Sub-heading inside spec card (e.g. "Q-PAC® Physical Properties") */
.specs-card h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-black);
}

.specs-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.specs-card:last-child {
  margin-bottom: 0;
}

.specifications__table {
  margin-bottom: var(--space-lg);
}

.specifications__table:last-child {
  margin-bottom: 0;
}

.specifications h3 {
  margin-bottom: var(--space-sm);
}

.specifications thead {
  background-color: var(--color-red-dark);
}

/* Resources Section */
.resources {
  background-color: var(--color-bg-secondary);
}

.resources__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.resources__section {
  background-color: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-grey-light);
}

.resources__section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-black);
}

.resources__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.resources__item {
  margin-bottom: var(--space-xs);
}

.resources__link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  color: var(--color-grey-dark);
  font-size: var(--font-size-sm);
}

.resources__link:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-red);
  text-decoration: none;
}

.resources__icon {
  width: 20px;
  height: 20px;
  color: var(--color-red);
}

/* Section Headers */
section > .container > h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
}

section > .container > h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-red);
}

/* Hero action label */
.hero__actions-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-grey-dark);
  white-space: nowrap;
  display: flex;
  align-items: center;
}

/* All hero action buttons: ghost at rest, dark red fill on hover */
.hero__actions .btn {
  background-color: rgba(255,255,255,0.55);
  color: var(--color-red-dark);
}

.hero__actions .btn:hover {
  background-color: var(--color-red-dark);
  color: var(--color-white);
  text-decoration: none;
  transform: none;
  box-shadow: none;
}

/* Remove footer top margin on product pages — specs background provides visual separation */
.footer {
  margin-top: 0;
}

/* ── Inline video embed (used in description sections) ── */

.product-video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  margin-top: var(--space-xl);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.product-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}