/* =========================================================
   PRODUCT.CSS — Einzelprodukt-Detailseite
   ========================================================= */

/* ── Loading state ── */
.product-loading {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-h);
}
.product-loading__inner {
  text-align: center;
}
.loading-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  margin: 0 3px;
  animation: dotPulse 1.4s ease-in-out infinite;
}
.loading-dot:nth-child(2) { animation-delay: 0.2s; }
.loading-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ── Back link ── */
.back-bar {
  padding: clamp(1rem, 2vw, 1.5rem) var(--page-gutter);
  background: var(--off-white);
  border-bottom: 1px solid var(--slate-100);
  padding-top: calc(var(--nav-h) + clamp(0.75rem, 1.5vw, 1rem));
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(0.62rem, 0.9vw, 0.72rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-500, #6B7280);
  transition: color var(--t-fast);
}
.back-link:hover { color: var(--gold-dark); }
.back-link .back-arrow {
  display: inline-block;
  transition: transform var(--t-fast);
}
.back-link:hover .back-arrow { transform: translateX(-4px); }

/* ── Product Detail (featured split-layout) ── */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(500px, 70vw, 800px);
}

/* Left: visual */
.product-detail__visual {
  position: relative;
  background: var(--slate-900);
  /* overflow: hidden removed to allow sticky to work smoothly if needed, though sticky inside this container is fine */
}

.product-detail__visual img {
  position: sticky;
  top: 10vh;
  width: 100%;
  height: 80vh;
  object-fit: contain;
  padding: clamp(2.5rem, 6vw, 6rem);
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.5));
  transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.product-detail__visual:hover img {
  transform: scale(1.04) translateY(-10px);
}

/* Ambient glow */
.product-detail__visual::before {
  content: '';
  position: absolute;
  bottom: 10%; left: 50%;
  transform: translateX(-50%);
  width: 55%; height: 28%;
  background: radial-gradient(ellipse, rgba(201,168,76,0.15) 0%, transparent 70%);
  filter: blur(24px);
  pointer-events: none;
}

/* Badge */
.product-detail__badge {
  position: absolute;
  top: clamp(1rem, 2vw, 1.75rem);
  left: clamp(1rem, 2vw, 1.75rem);
  padding: 0.3em 0.85em;
  font-size: clamp(0.55rem, 0.8vw, 0.65rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 2;
}

/* Right: content */
.product-detail__content {
  background: var(--white);
  padding: clamp(3rem, 6vw, 7rem) clamp(2.5rem, 5vw, 6rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
}

.product-detail__content .label {
  margin-bottom: 0.5rem;
}

.product-detail__name {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  font-weight: 300;
  color: var(--slate-900);
  line-height: 1.08;
  margin-bottom: 0.5rem;
}

.product-detail__subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  font-weight: 300;
  font-style: italic;
  color: var(--slate-500, #6B7280);
  margin-bottom: 1.75rem;
}

.product-detail__description {
  font-size: clamp(0.88rem, 1.3vw, 1rem);
  font-weight: 300;
  line-height: 1.9;
  color: var(--slate-600);
  max-width: 48ch;
  margin-bottom: 2rem;
  white-space: pre-wrap;
}

/* Notes */
.product-detail__notes-label {
  font-size: clamp(0.6rem, 0.85vw, 0.68rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.65rem;
  display: block;
}
.product-detail__notes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 2rem;
}

/* Price block */
.product-detail__price-block {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.product-detail__price-main {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 400;
  color: var(--gold-dark);
}
.product-detail__price-ppl {
  font-size: clamp(0.65rem, 0.9vw, 0.75rem);
  color: var(--slate-400);
  background: var(--off-white);
  border: 1px solid var(--slate-100);
  padding: 0.15em 0.55em;
  letter-spacing: 0.06em;
}

/* Size picker */
.product-detail__size-label {
  font-size: clamp(0.6rem, 0.85vw, 0.68rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.65rem;
  margin-top: 1.25rem;
  display: block;
}

.product-detail__sizes {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* Actions */
.product-detail__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Related / other products ── */
.related-section {
  padding: var(--section-pad) var(--page-gutter);
  background: var(--off-white);
}
.related-section .section-heading {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

/* Compact related card */
.related-card {
  background: var(--white);
  border: 1px solid var(--slate-100);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--t-med), box-shadow var(--t-med), transform var(--t-med);
  text-decoration: none;
  display: block;
  color: inherit;
}
.related-card:hover {
  border-color: var(--slate-200);
  box-shadow: 0 6px 28px rgba(26,29,35,0.07);
  transform: translateY(-3px);
}
.related-card__img {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--off-white);
}
.related-card__img img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 1.25rem;
  transition: transform var(--t-slow);
}
.related-card:hover .related-card__img img { transform: scale(1.05); }
.related-card__info {
  padding: 1.1rem 1.25rem;
  border-top: 1px solid var(--slate-100);
}
.related-card__category {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}
.related-card__name {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 400;
  color: var(--slate-900);
}
.related-card__price {
  font-size: clamp(0.82rem, 1.1vw, 0.9rem);
  color: var(--gold-dark);
  margin-top: 0.3rem;
}

/* ── Error state ── */
.product-error {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-pad) var(--page-gutter);
  padding-top: calc(var(--nav-h) + var(--section-pad));
}
.product-error h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--slate-900);
  margin-bottom: 1rem;
}
.product-error p {
  color: var(--slate-400);
  margin-bottom: 2rem;
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .product-detail {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .product-detail__visual {
    min-height: clamp(280px, 65vw, 520px);
  }
  .product-detail__visual img {
    position: relative;
    top: auto;
    height: 100%;
  }
  .product-detail__content {
    padding: clamp(2.5rem, 5vw, 4rem) var(--page-gutter);
  }
}

@media (max-width: 560px) {
  .product-detail__actions { flex-direction: column; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 360px) {
  .related-grid { grid-template-columns: 1fr; }
}