/* ========================================
   PASHA — Product Detail Page styles
   Подключается на /products/<code>/ через header.php
   Использует переменные и шрифт основного styles.css
   ======================================== */

/* --- Page wrapper, отступ под фикс. шапку --- */
.product-page {
  background: var(--bg-primary);
  color: var(--text-primary);
  padding-top: 120px;
  overflow: hidden;
}

/* --- Хлебные крошки --- */
.product-breadcrumbs {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px 24px;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.product-breadcrumbs a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.product-breadcrumbs a:hover {
  color: #c9a96e;
  opacity: 1;
}
.product-breadcrumbs .sep {
  margin: 0 10px;
  opacity: 0.5;
}

/* --- Основной двухколоночный блок: галерея + инфо --- */
.product-hero {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px 80px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* ---------- Галерея ---------- */
.product-gallery {
  position: relative;
}
.product-gallery-main {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-card);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.product-gallery-main img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8%;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.4s ease;
}
.product-gallery-main:hover img {
  transform: scale(1.04);
}
/* gold border bottom highlight */
.product-gallery-main::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #c9a96e, transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.product-gallery-main:hover::after { opacity: 1; }

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}
.product-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.product-thumb img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 12%;
  opacity: 0.65;
  transition: opacity var(--transition-base);
}
.product-thumb:hover { border-color: rgba(201, 169, 110, 0.5); }
.product-thumb:hover img { opacity: 1; }
.product-thumb.active {
  border-color: #c9a96e;
}
.product-thumb.active img { opacity: 1; }

/* ---------- Инфо-блок справа ---------- */
.product-info {
  padding-top: 12px;
}
.product-brand-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.product-brand-logo {
  height: 28px;
  max-width: 140px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}
.product-brand-name {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.product-title {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 300;
  letter-spacing: 1.5px;
  line-height: 1.15;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.product-subtitle {
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.product-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, #c9a96e, transparent);
  margin-bottom: 28px;
}

/* --- Цена --- */
.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 36px;
}
.product-price {
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 300;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #c9a96e 0%, #f5d89a 50%, #c9a96e 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: goldShimmer 4s ease infinite;
}
.product-price-label {
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --- Описание --- */
.product-desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

/* --- Характеристики --- */
.product-specs {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 4px 0;
  margin-bottom: 40px;
}
.product-spec {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 300;
}
.product-spec:last-child { border-bottom: none; }
.product-spec dt {
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 11px;
}
.product-spec dd {
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

/* --- Кнопки --- */
.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.btn-pasha {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 36px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  border: 1px solid #c9a96e;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color 0.4s ease, border-color 0.4s ease;
}
.btn-pasha::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #c9a96e, #f5d89a, #c9a96e);
  background-size: 200% 200%;
  transform: translateY(101%);
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: -1;
}
.btn-pasha:hover { color: #000; opacity: 1; border-color: #f5d89a; }
.btn-pasha:hover::before { transform: translateY(0); }

.btn-pasha--ghost {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text-secondary);
}
.btn-pasha--ghost:hover {
  color: #fff;
  border-color: #fff;
}
.btn-pasha--ghost::before { display: none; }

/* --- Бутики (где купить) --- */
.product-availability {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-muted);
}
.product-availability::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #c9a96e;
  box-shadow: 0 0 12px rgba(201, 169, 110, 0.6);
  animation: pulseGold 2.4s ease-in-out infinite;
}
@keyframes pulseGold {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50%      { opacity: 1;   transform: scale(1.1); }
}

/* ---------- Section: Особенности ---------- */
.product-features {
  position: relative;
  padding: 80px 0 100px;
  background: var(--bg-primary);
}
.product-features::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: min(80%, 1200px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.4), transparent);
}
.product-features-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}
.product-section-title {
  text-align: center;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: 56px;
}
.product-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  padding: 40px 28px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: transform var(--transition-slow), border-color var(--transition-slow);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 169, 110, 0.4);
}
.feature-icon {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(201, 169, 110, 0.4);
  border-radius: 50%;
  color: #c9a96e;
}
.feature-card h4 {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- Section: Похожие модели ---------- */
.product-related {
  background: var(--bg-primary);
  padding: 0 0 100px;
}
.product-related-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.related-card {
  position: relative;
  aspect-ratio: 3 / 4;
  background: var(--bg-card);
  overflow: hidden;
  cursor: pointer;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: border-color var(--transition-slow);
}
.related-card:hover { border-color: rgba(201, 169, 110, 0.5); opacity: 1; }
.related-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 14%;
  opacity: 0.7;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.related-card:hover img {
  opacity: 1;
  transform: scale(1.05);
}
.related-card-meta {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 18px 20px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.85));
}
.related-card-brand {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #c9a96e;
  margin-bottom: 4px;
}
.related-card-name {
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

/* ---------- Адаптивность ---------- */
@media (max-width: 1024px) {
  .product-page { padding-top: 100px; }
  .product-hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 0 24px 60px;
  }
  .product-breadcrumbs { padding: 0 24px 16px; }
  .product-features-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .product-features-inner,
  .product-related-inner { padding: 0 24px; }
}

@media (max-width: 640px) {
  .product-hero { padding: 0 16px 40px; }
  .product-breadcrumbs { padding: 0 16px 14px; font-size: 11px; }
  .product-thumbs { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .product-spec { grid-template-columns: 1fr; gap: 6px; padding: 12px 0; }
  .product-actions { flex-direction: column; }
  .btn-pasha { width: 100%; }
  .product-features { padding: 56px 0 70px; }
  .product-features-grid,
  .related-grid { grid-template-columns: 1fr; }
}