/* =============================================
   GREEN DRAIN - PRODUCT DETAIL PAGE
   Mobile-first, matches main stylesheet patterns
   ============================================= */

/* ----- BREADCRUMB ----- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.breadcrumb a {
  transition: opacity var(--transition-base);
}

.breadcrumb a:hover {
  opacity: 0.7;
}

.breadcrumb span {
  color: var(--color-text-muted);
}

.breadcrumb-current {
  color: var(--color-text-dark);
  font-weight: var(--font-weight-medium);
}


/* =============================================
   PRODUCT HERO
   ============================================= */
.pdp-hero {
  padding: var(--space-xl) 0 var(--space-3xl);
  background: var(--color-cream);
}

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

/* Media / Gallery */
.pdp-media-main {
  margin-bottom: var(--space-md);
  aspect-ratio: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdp-media-main img {
  max-width: 100%;
  max-height: 100%;
  height: auto;
  width: auto;
  object-fit: contain;
}

.pdp-placeholder-main {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
}

.pdp-media-thumbs {
  display: flex;
  gap: var(--space-sm);
}

.pdp-placeholder-thumb,
.pdp-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-base), opacity var(--transition-base);
  font-size: 0.65rem;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--color-white);
}

.pdp-placeholder-thumb.active,
.pdp-thumb.active {
  border-color: var(--color-green-dark);
  border-style: solid;
}

.pdp-placeholder-thumb:hover,
.pdp-thumb:hover {
  opacity: 0.8;
}

.pdp-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pdp-thumb.has-image span {
  display: none;
}

.pdp-media-main img {
  transition: opacity 0.2s ease;
}

/* Product Info */
.pdp-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.03em;
  color: var(--color-green-dark);
  background: #d3fa99;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.pdp-model {
  display: block;
  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.pdp-title {
  font-size: 2rem;
  font-weight: var(--font-weight-light);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-green-dark);
  margin-bottom: var(--space-md);
}

.pdp-subtitle {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

/* Price */
.pdp-price {
  margin-bottom: var(--space-lg);
}

.pdp-price-amount {
  font-size: 1.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-green-dark);
  letter-spacing: -0.02em;
}

.pdp-price-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Key Spec Pills */
.pdp-key-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.pdp-spec-pill {
  display: flex;
  flex-direction: column;
  background: var(--color-cream-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  flex: 1;
  min-width: 100px;
}

.spec-label {
  font-size: 0.7rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.spec-value {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-green-dark);
}

/* CTAs */
.pdp-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: stretch;
  margin-bottom: var(--space-xl);
}

.pdp-buy-btn {
  flex: 1;
  min-width: 160px;
}

#shopify-buy-btn {
  flex: 1;
  min-width: 160px;
}

#shopify-buy-btn iframe {
  display: block;
}

.btn-outline {
  background: transparent;
  color: var(--color-green-dark);
  border: 1.5px solid var(--color-green-dark);
  border-radius: var(--radius-full);
  padding: 14px 28px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
}

.btn-outline:hover {
  background: var(--color-green-dark);
  color: var(--color-text-light);
}

.pdp-ctas .btn-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  height: 46px;
  border-radius: 6px;
  padding: 0 32px;
  font-size: 15px;
}

/* Trust Badges */
.pdp-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.pdp-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.pdp-trust-item svg {
  color: var(--color-green-mid);
  flex-shrink: 0;
}


/* =============================================
   PDP SECTION SHARED STYLES
   Two-column text + media grid pattern
   ============================================= */
.pdp-section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.pdp-section-title {
  font-size: 1.8rem;
  font-weight: var(--font-weight-light);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-green-dark);
  margin-bottom: var(--space-lg);
}

.pdp-section-title.light {
  color: var(--color-text-light);
}

.pdp-section-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.pdp-section-body.light {
  color: var(--color-text-light-muted);
}

.pdp-section-body:last-child {
  margin-bottom: 0;
}

.pdp-placeholder-section {
  width: 100%;
  aspect-ratio: 5/4;
  border-radius: var(--radius-lg);
}

.pdp-section-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
}


/* =============================================
   HOW IT WORKS (PRODUCT LEVEL)
   ============================================= */
.pdp-howitworks {
  padding: var(--space-3xl) 0;
  background: var(--color-cream-dark);
}


/* =============================================
   PERFORMANCE DATA
   ============================================= */
.pdp-performance {
  background: var(--color-green-dark);
  padding: var(--space-3xl) 0;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.pdp-performance-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.pdp-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.pdp-stat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
}

.pdp-stat-number {
  display: block;
  font-size: 2rem;
  font-weight: var(--font-weight-light);
  color: #d3fa99;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.pdp-stat-label {
  display: block;
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-light);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
}

.pdp-stat-detail {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-light-muted);
  line-height: 1.4;
}


/* =============================================
   TECHNICAL SPECIFICATIONS TABLE
   ============================================= */
.pdp-specs {
  padding: var(--space-3xl) 0;
  background: var(--color-cream);
}

.pdp-specs-table {
  margin-top: var(--space-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.pdp-specs-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.pdp-specs-table tr {
  border-bottom: 1px solid var(--color-border);
}

.pdp-specs-table td {
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
  vertical-align: top;
}

.pdp-specs-table td:first-child {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-dark);
  white-space: nowrap;
  padding-right: var(--space-xl);
  width: 40%;
  min-width: 160px;
}

.pdp-specs-table td:last-child {
  color: var(--color-text-muted);
}

.pdp-spec-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}


/* =============================================
   INSTALLATION STEPS
   ============================================= */
.pdp-install {
  padding: var(--space-3xl) 0;
  background: var(--color-cream-dark);
}

.pdp-install-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.pdp-install-step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-green-dark);
  color: var(--color-text-light);
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
}

.pdp-placeholder-step {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 0.7rem;
}

.step-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  object-fit: contain;
}

.step-title {
  font-size: 0.95rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-green-dark);
  margin-bottom: var(--space-xs);
}

.step-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}


/* =============================================
   INDUSTRIES (TAG CLOUD)
   ============================================= */
.pdp-industries {
  background: var(--color-green-mid);
  padding: var(--space-3xl) 0;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.pdp-industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.industry-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.industry-tag:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
}


/* =============================================
   CERTIFICATIONS GRID
   ============================================= */
.pdp-certs {
  padding: var(--space-3xl) 0;
  background: var(--color-cream);
}

.pdp-certs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.pdp-cert-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: box-shadow var(--transition-base);
}

.pdp-cert-card:hover {
  box-shadow: 0 4px 16px rgba(26, 60, 26, 0.06);
}

.cert-logo-placeholder {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--color-cream-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}

.cert-logo-placeholder img {
  max-width: 48px;
  max-height: 48px;
  object-fit: contain;
}

.cert-name {
  font-size: 0.85rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-green-dark);
  margin-bottom: var(--space-xs);
}

.cert-detail {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}


/* =============================================
   TESTIMONIALS (PDP VARIANT)
   ============================================= */
.pdp-testimonials {
  background: var(--color-green-dark);
  padding: var(--space-3xl) 0;
}

.pdp-testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.pdp-testimonial {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.pdp-testimonial blockquote {
  font-size: 1rem;
  font-weight: var(--font-weight-light);
  line-height: 1.6;
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.pdp-testimonial-author {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
}

.author-name {
  font-size: 0.85rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
}

.author-org {
  font-size: 0.78rem;
  color: var(--color-text-light-muted);
  margin-top: 2px;
}


/* =============================================
   FOR SPECIFIERS
   ============================================= */
.pdp-specifiers {
  padding: var(--space-3xl) 0;
  background: var(--color-cream-dark);
}

.pdp-spec-details {
  margin-top: var(--space-xl);
}

.spec-detail-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.spec-detail-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-dark);
  flex-shrink: 0;
}

.spec-detail-value {
  color: var(--color-text-muted);
  text-align: right;
}


/* =============================================
   RELATED PRODUCTS
   ============================================= */
.pdp-related {
  padding: var(--space-3xl) 0;
  background: var(--color-cream);
}

.pdp-related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.pdp-related-card {
  display: block;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pdp-related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26, 60, 26, 0.08);
}

.pdp-placeholder-related {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 0;
}

.related-name {
  font-size: 0.95rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-green-dark);
  padding: var(--space-md) var(--space-md) var(--space-xs);
}

.related-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding: 0 var(--space-md) var(--space-md);
}


/* =============================================
   RESPONSIVE: TABLET (481px+)
   ============================================= */
@media (min-width: 481px) {
  .pdp-title {
    font-size: 2.4rem;
  }

  .pdp-section-title {
    font-size: 2.2rem;
  }

  .pdp-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .pdp-stat-number {
    font-size: 2.2rem;
  }

  .pdp-install-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .pdp-certs-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .pdp-testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pdp-related-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .pdp-placeholder-thumb,
  .pdp-thumb {
    width: 80px;
    height: 80px;
  }
}


/* =============================================
   RESPONSIVE: DESKTOP (1024px+)
   ============================================= */
@media (min-width: 1024px) {
  /* Hero two-column */
  .pdp-hero {
    padding: var(--space-2xl) 0 var(--space-4xl);
  }

  .pdp-hero-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
  }

  .pdp-title {
    font-size: 2.8rem;
  }

  .pdp-placeholder-thumb,
  .pdp-thumb {
    width: 88px;
    height: 88px;
  }

  /* Two-column sections */
  .pdp-section-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .pdp-section-title {
    font-size: 2.4rem;
  }

  /* Performance */
  .pdp-performance {
    padding: var(--space-4xl) 0;
  }

  .pdp-stat-number {
    font-size: 2.5rem;
  }

  /* Specs table */
  .pdp-specs {
    padding: var(--space-4xl) 0;
  }

  /* Installation */
  .pdp-install {
    padding: var(--space-4xl) 0;
  }

  /* Industries */
  .pdp-industries {
    padding: var(--space-4xl) 0;
    text-align: center;
  }

  .pdp-industries .pdp-section-body {
    margin-left: auto;
    margin-right: auto;
  }

  .pdp-industry-tags {
    justify-content: center;
  }

  /* Certs */
  .pdp-certs {
    padding: var(--space-4xl) 0;
  }

  /* Testimonials */
  .pdp-testimonials {
    padding: var(--space-4xl) 0;
  }

  .pdp-testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Related */
  .pdp-related {
    padding: var(--space-4xl) 0;
  }

  /* Specifiers */
  .pdp-specifiers {
    padding: var(--space-4xl) 0;
  }
}


/* =============================================
   REDUCED MOTION
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  .pdp-related-card,
  .pdp-cert-card,
  .industry-tag {
    transition: none;
  }
}


/* =============================================
   ACCESSORIES SECTION
   ============================================= */
.pdp-accessories {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt, #f5f2eb);
}

.pdp-accessories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 800px;
}

.pdp-accessory-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  background: #fff;
  border: 1px solid #e2e0d8;
  border-radius: 12px;
  padding: var(--space-lg);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pdp-accessory-card:hover {
  border-color: var(--color-primary, #2d5016);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.pdp-accessory-img {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdp-accessory-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.pdp-accessory-info {
  flex: 1;
  min-width: 0;
}

.pdp-accessory-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text, #1a1a1a);
  margin: 0 0 4px 0;
}

.pdp-accessory-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted, #666);
  margin: 0 0 6px 0;
  line-height: 1.4;
}

.pdp-accessory-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary, #2d5016);
  margin: 0;
}

.pdp-accessory-action {
  flex-shrink: 0;
}

/* Override Shopify button size for accessory cards */
.pdp-accessory-action .shopify-buy__btn {
  padding: 8px 20px !important;
  font-size: 13px !important;
}

@media (max-width: 600px) {
  .pdp-accessory-card {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .pdp-accessory-action {
    width: 100%;
  }
}