/* ===================================================
   BHARAT OILS — Product Detail Page Styles
   =================================================== */

/* --- Product Hero --- */

.product-hero {
  padding-top: var(--nav-height);
  background: linear-gradient(160deg, var(--color-navy-light) 0%, var(--color-cream) 60%);
  overflow: hidden;
  position: relative;
}

.product-hero::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.product-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-20);
}

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

.product-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  font-size: 8rem;
  position: relative;
  overflow: hidden;
}

.product-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-8);
}

.product-hero__badges {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.product-hero__content h1 {
  margin-bottom: var(--space-5);
}

.product-hero__intro {
  font-size: var(--text-lg);
  color: var(--color-body);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.product-hero__stats {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.product-stat {
  text-align: center;
  flex: 1;
}

.product-stat__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-saffron);
  font-weight: 700;
  line-height: 1;
}

.product-stat__label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

.product-hero__cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* --- Content Sections --- */

.product-section {
  padding-block: var(--space-20);
  border-bottom: 1px solid var(--color-divider);
}

.product-section:last-child { border-bottom: none; }

.product-section--alt {
  background: var(--color-cream);
}

.product-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

@media (max-width: 768px) {
  .product-section__inner { grid-template-columns: 1fr; }
}

.product-section__text h2 {
  margin-bottom: var(--space-5);
}

.product-section__text p {
  margin-bottom: var(--space-4);
}

.product-section__text p:last-child { margin-bottom: 0; }

/* Chemistry callout box */
.purity-callout {
  background: var(--color-gold-faint);
  border: 1px solid var(--color-gold-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.purity-callout__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-green-deep);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.purity-callout__item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding-block: var(--space-3);
  border-bottom: 1px solid rgba(201,168,76,0.2);
  font-size: var(--text-sm);
}

.purity-callout__item:last-child { border-bottom: none; }

.purity-callout__item-icon { flex-shrink: 0; font-size: 1.1rem; }

/* Nutrition panel */
.nutrition-panel {
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  font-family: var(--font-body);
}

.nutrition-panel__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  border-bottom: 10px solid var(--color-charcoal);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-2);
  font-family: var(--font-body);
  color: var(--color-charcoal);
}

.nutrition-panel__serving {
  font-size: var(--text-sm);
  color: var(--color-muted);
  border-bottom: 4px solid var(--color-charcoal);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-3);
}

.nutrition-row {
  display: flex;
  justify-content: space-between;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}

.nutrition-row--bold { font-weight: 700; }
.nutrition-row--sub  { padding-left: var(--space-5); color: var(--color-muted); }

/* --- Deepam Hero Dark Theme --- */

.product-hero--deepam {
  background: linear-gradient(160deg, #0A0A1A 0%, var(--color-navy) 100%);
}

.product-hero--deepam .product-hero__content h1,
.product-hero--deepam .product-hero__intro,
.product-hero--deepam .product-hero__stats {
  color: var(--color-white);
}

.product-hero--deepam .product-stat__value {
  color: var(--color-gold);
}

.product-hero--deepam .product-stat__label {
  color: rgba(255,255,255,0.6);
}

.product-hero--deepam .size-picker__label {
  color: rgba(255,255,255,0.7);
}

.product-hero--deepam .size-option {
  border-color: rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.05);
}

.product-hero--deepam .size-option--active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-charcoal);
}

.product-hero__visual--deepam {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
}

.deepam-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
}

.deepam-flame {
  font-size: 6rem;
  animation: flicker 3s ease-in-out infinite;
  margin-bottom: var(--space-6);
}

@keyframes flicker {
  0%, 100% { transform: scale(1) rotate(-1deg); opacity: 1; }
  50%       { transform: scale(1.05) rotate(1deg); opacity: 0.9; }
}

.deepam-visual__label {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
  letter-spacing: 0.15em;
}

.deepam-visual__sub {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.12em;
  margin-top: var(--space-2);
}

/* --- Product Image Gallery --- */

.product-hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.product-hero__visual img#main-product-img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: var(--radius-xl);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
}

.product-gallery-thumbs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.thumb-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--color-divider);
  cursor: pointer;
  background: var(--color-white);
  padding: 2px;
  transition: border-color var(--transition-fast);
}

.thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.thumb-btn:hover,
.thumb-btn--active {
  border-color: var(--color-saffron);
}

/* --- Size Picker --- */

.size-picker {
  margin-bottom: var(--space-6);
}

.size-picker__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.size-picker__options {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.size-option {
  padding: var(--space-2) var(--space-5);
  border: 2px solid var(--color-divider);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-body);
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.size-option:hover {
  border-color: var(--color-saffron);
  color: var(--color-saffron);
}

.size-option--active {
  background: var(--color-saffron);
  border-color: var(--color-saffron);
  color: var(--color-white);
}

/* --- Product Delivery Note --- */

.product-delivery-note {
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: var(--space-3);
}

/* --- Coming-soon CTA buttons --- */

.btn--coming-soon {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

/* --- Related Oils Strip --- */

.related-oils {
  background: var(--color-cream-dark);
  padding-block: var(--space-16);
}

.related-oils h2 {
  margin-bottom: var(--space-10);
}