/* ═══════════════════════════════════════════
   PRODUCT PAGE STYLES
═══════════════════════════════════════════ */

/* ─── PRODUCT HERO / GALLERY ─── */
.product-hero { padding: 48px 0 0; background: var(--white); }
.product-top {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}

/* Gallery */
.gallery-wrap { position: sticky; top: 120px; }
.gallery-main {
  border-radius: var(--radius);
  overflow: hidden;
  height: 440px;
  position: relative;
  background: var(--grey-bg);
  cursor: zoom-in;
}
.gallery-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.35s ease;
}
.gallery-main:hover img { transform: scale(1.03); }
.gallery-badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--yellow); color: var(--black);
  font-family: 'Montserrat', sans-serif;
  font-size: 10px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase;
  padding: 5px 12px; border-radius: 4px; z-index: 2;
}
.gallery-counter {
  position: absolute; bottom: 14px; right: 14px;
  background: rgba(0,0,0,0.55); color: white;
  font-family: 'Montserrat', sans-serif; font-size: 11px; font-weight: 700;
  padding: 4px 10px; border-radius: 20px; backdrop-filter: blur(4px);
}
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 10px;
}
.gallery-thumb {
  height: 72px; border-radius: 6px; overflow: hidden;
  cursor: pointer; border: 2px solid transparent;
  transition: border-color 0.2s, opacity 0.2s;
  opacity: 0.6;
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.active { border-color: var(--yellow); opacity: 1; }
.gallery-thumb:hover { opacity: 0.9; }

/* Product Info Panel */
.product-info { padding-top: 4px; }
.product-category {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(244,180,0,0.1); border: 1px solid rgba(244,180,0,0.25);
  border-radius: 100px; padding: 4px 14px;
  font-family: 'Montserrat', sans-serif; font-size: 11px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; color: #b38800; margin-bottom: 18px;
}
.product-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 900; letter-spacing: -0.8px; margin-bottom: 10px; line-height: 1.1;
}
.product-tagline { font-size: 16px; color: var(--body-text); margin-bottom: 24px; line-height: 1.6; }

/* Rating Row */
.rating-row {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--border);
}
.stars-lg { color: var(--yellow); font-size: 18px; letter-spacing: 2px; }
.rating-num { font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 700; color: var(--black); }
.rating-reviews { font-size: 13px; color: #999; }
.rating-divider { width: 1px; height: 16px; background: var(--border); }
.badge-verified {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600; color: #2e7d32;
  background: #e8f5e9; border-radius: 20px; padding: 3px 10px;
}

/* Price Block */
.price-block { margin-bottom: 28px; }
.price-label {
  font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px;
  font-weight: 700; font-family: 'Montserrat', sans-serif; color: #aaa; margin-bottom: 6px;
}
.price-main {
  font-family: 'Montserrat', sans-serif;
  font-size: 42px; font-weight: 900; color: var(--black); letter-spacing: -1px; line-height: 1;
}
.price-main sup { font-size: 20px; vertical-align: super; font-weight: 700; }
.price-note { font-size: 13px; color: #aaa; margin-top: 4px; }
.price-note strong { color: #2e7d32; }

/* Quick Specs Grid */
.quick-specs {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 28px;
}
.qs-item {
  background: var(--white); padding: 16px 18px;
  display: flex; align-items: center; gap: 12px; transition: background 0.2s;
}
.qs-item:hover { background: var(--grey-bg); }
.qs-icon {
  width: 38px; height: 38px; background: rgba(244,180,0,0.1);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.qs-text label {
  display: block; font-size: 10px; text-transform: uppercase; letter-spacing: 1px;
  font-weight: 700; font-family: 'Montserrat', sans-serif; color: #aaa; margin-bottom: 2px;
}
.qs-text strong { font-size: 15px; font-weight: 700; color: var(--black); }

/* CTA Buttons */
.product-ctas { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.product-ctas .btn { justify-content: center; }

.guarantee-strip {
  display: flex; align-items: center; gap: 8px;
  background: var(--grey-bg); border-radius: 8px; padding: 12px 16px;
  font-size: 12px; color: #555;
}
.guarantee-strip strong { color: var(--black); }

/* ─── TABS ─── */
.product-tabs { background: var(--grey-bg); }
.tabs-inner { max-width: 900px; margin: 0 auto; }
.tab-nav {
  display: flex; gap: 0; border-bottom: 2px solid var(--border);
  overflow-x: auto; scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 16px 28px; background: none; border: none; cursor: pointer;
  font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700;
  color: #888; letter-spacing: 0.3px; white-space: nowrap;
  border-bottom: 3px solid transparent; margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}
.tab-btn:hover { color: var(--black); }
.tab-btn.active { color: var(--black); border-bottom-color: var(--yellow); }
.tab-panel { display: none; padding: 40px 0; }
.tab-panel.active { display: block; }

/* Specs table */
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td {
  padding: 14px 16px; font-size: 14px;
}
.specs-table td:first-child {
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.8px;
  color: #888; width: 40%;
}
.specs-table td:last-child { color: var(--black); font-weight: 600; }
.specs-table tr:hover td { background: var(--white); }

/* Feature list */
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.feature-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: #444; line-height: 1.5;
}
.feature-list li::before {
  content: '✓'; color: var(--yellow); font-weight: 900;
  flex-shrink: 0; margin-top: 1px;
}

/* Reviews */
.review-summary {
  display: flex; gap: 40px; align-items: center;
  background: var(--white); border-radius: var(--radius);
  padding: 28px; margin-bottom: 28px;
}
.review-big {
  text-align: center; flex-shrink: 0;
}
.review-big strong {
  display: block; font-size: 56px; font-weight: 900;
  font-family: 'Montserrat', sans-serif; line-height: 1; color: var(--black);
}
.review-big span { font-size: 13px; color: #888; }
.review-bars { flex: 1; }
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-label { font-size: 12px; width: 20px; text-align: right; color: #888; }
.bar-track {
  flex: 1; height: 8px; background: var(--border); border-radius: 10px; overflow: hidden;
}
.bar-fill {
  height: 100%; background: var(--yellow); border-radius: 10px;
  transition: width 1s ease;
}
.bar-pct { font-size: 12px; color: #888; width: 32px; }

.review-card {
  background: var(--white); border-radius: var(--radius);
  padding: 24px; margin-bottom: 16px; border: 1px solid var(--border);
}
.review-card:last-child { margin-bottom: 0; }
.review-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.reviewer { display: flex; align-items: center; gap: 10px; }
.reviewer-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--yellow); display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 16px; color: var(--black);
}
.reviewer strong { display: block; font-size: 14px; font-weight: 700; color: var(--black); }
.reviewer span { font-size: 12px; color: #999; }
.review-card p { font-size: 14px; color: #555; line-height: 1.7; }

/* ─── RELATED ─── */
.related-sec { background: var(--white); }
.related-header { text-align: center; margin-bottom: 40px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-img { height: 180px; overflow: hidden; position: relative; }
.related-img img { height: 100%; width: 100%; object-fit: cover; transition: transform 0.4s; }
.related-card:hover .related-img img { transform: scale(1.05); }
.related-tag {
  position: absolute; top: 10px; left: 10px;
  background: var(--yellow); color: var(--black);
  font-family: 'Montserrat', sans-serif; font-size: 9px; font-weight: 800;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 3px 8px; border-radius: 3px;
}
.related-body { padding: 20px; }
.related-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.related-meta { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.related-meta span { font-size: 11px; color: #888; }
.related-price { font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 800; color: var(--black); margin-bottom: 14px; }
.related-price sub { font-size: 11px; font-weight: 500; color: #888; }

/* ─── FINAL CTA ─── */
.final-cta {
  background: var(--black); text-align: center; padding: 80px 0; position: relative; overflow: hidden;
}
.final-cta::before {
  content: ''; position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(244,180,0,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; max-width: 580px; margin: 0 auto; }
.cta-title { color: var(--white); font-size: clamp(26px, 3.5vw, 40px); font-weight: 900; margin-bottom: 14px; }
.cta-inner p { color: rgba(255,255,255,0.55); margin-bottom: 36px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-note { margin-top: 16px; font-size: 12px; color: rgba(255,255,255,0.3); }

/* ─── STICKY CTA ─── */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--white); border-top: 1px solid var(--border);
  padding: 14px 0; z-index: 990;
  transform: translateY(100%); transition: transform 0.3s ease;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.sticky-info h4 { font-size: 15px; font-weight: 800; margin-bottom: 2px; }
.sticky-info p { font-size: 12px; color: #888; }
.sticky-actions { display: flex; gap: 10px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .product-top { grid-template-columns: 1fr; gap: 36px; }
  .gallery-wrap { position: static; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .feature-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .product-ctas { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .review-summary { flex-direction: column; gap: 20px; }
  .gallery-thumbs { grid-template-columns: repeat(5, 1fr); }
  .gallery-main { height: 280px; }
  .gallery-thumb { height: 54px; }
  .sticky-inner { flex-direction: column; align-items: flex-start; }
}