/* product-detail.css — SK-II Light Theme */

/* ============================================================
   LOCAL OVERRIDES
   ============================================================ */
:root {
  --pd-visual-size:   520px;
  --pd-gap:           5rem;
  --pd-section-pad:   5rem 0;
  --transition-base:  0.3s ease;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb-section {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray);
}
.breadcrumb a {
  color: var(--color-gray);
  transition: color var(--transition-base);
}
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb-sep { color: var(--color-border); }
.breadcrumb-current { color: var(--color-gold); }

/* ============================================================
   PRODUCT DETAIL SECTION
   ============================================================ */
.product-detail-section {
  padding: var(--pd-section-pad);
}

/* Two-column grid */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pd-gap);
  align-items: start;
}

/* ============================================================
   LEFT COLUMN — VISUAL
   ============================================================ */
.product-visual-col {
  position: relative;
}

.product-visual-sticky {
  position: sticky;
  top: 100px;
}

.product-badge-wrap {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 2;
}

/* The visual card */
.product-visual {
  width: 100%;
  aspect-ratio: 1 / 1.1;
  max-width: var(--pd-visual-size);
  margin: 0 auto;
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.06),
    0 4px 12px rgba(0, 0, 0, 0.03);
}

.product-visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Corner ornaments */
.product-visual-ornament {
  position: absolute;
  width: 36px;
  height: 36px;
  border-color: rgba(201, 169, 110, 0.3);
  border-style: solid;
}
.product-visual-ornament.top-left    { top: 20px; left: 20px; border-width: 1px 0 0 1px; }
.product-visual-ornament.top-right   { top: 20px; right: 20px; border-width: 1px 1px 0 0; }
.product-visual-ornament.bottom-left { bottom: 20px; left: 20px; border-width: 0 0 1px 1px; }
.product-visual-ornament.bottom-right{ bottom: 20px; right: 20px; border-width: 0 1px 1px 0; }

/* Rings */
.product-visual-ring {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(180, 170, 155, 0.12);
}
.product-visual-ring--outer {
  width: 260px;
  height: 260px;
  border-color: rgba(180, 170, 155, 0.06);
}

/* Initials */
.product-visual-initials {
  position: relative;
  z-index: 2;
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: #B8A99A;
  text-shadow: none;
  line-height: 1;
  text-align: center;
}

/* Caption below image */
.product-visual-caption {
  display: flex;
  justify-content: center;
  margin-top: 1.25rem;
}
.product-visual-size {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray);
  border: 1px solid var(--color-border);
  padding: 0.4rem 1rem;
}

/* ============================================================
   RIGHT COLUMN — INFO
   ============================================================ */
.product-info-col {
  padding-top: 0.5rem;
}

.product-category-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.product-name {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-black);
  margin-bottom: 0.75rem;
}

.product-tagline {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-gray);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.product-meta-row {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.product-size-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray);
  border: 1px solid var(--color-border);
  padding: 0.3rem 0.8rem;
}

.product-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-border) 20%,
    rgba(201, 169, 110, 0.25) 50%,
    var(--color-border) 80%,
    transparent
  );
  margin-bottom: 1.5rem;
}

.product-description {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--color-gray);
  margin-bottom: 2rem;
}

/* ============================================================
   ACTIONS
   ============================================================ */
.product-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-add-to-bag {
  flex: 1;
  max-width: 280px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 1px;
  transition: all var(--transition-base);
  cursor: pointer;
  background: var(--color-gold);
  color: var(--color-white);
  border: none;
}
.btn-add-to-bag:hover {
  background: var(--color-gold-dark);
  box-shadow: 0 4px 24px rgba(201, 169, 110, 0.2);
  transform: translateY(-1px);
}

.btn-icon {
  font-size: 1rem;
  transition: transform var(--transition-base);
}
.btn-add-to-bag:hover .btn-icon { transform: translateX(4px); }

.btn-wishlist {
  width: 50px;
  height: 50px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  transition: all var(--transition-base);
  flex-shrink: 0;
  background: none;
  cursor: pointer;
}
.btn-wishlist:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ============================================================
   TRUST BADGES
   ============================================================ */
.product-trust {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--color-gray);
}
.trust-item svg { color: var(--color-gold); flex-shrink: 0; }

/* ============================================================
   ACCORDIONS
   ============================================================ */
.product-accordions {
  display: flex;
  flex-direction: column;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}
.accordion-item:first-child {
  border-top: 1px solid var(--color-border);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-base);
  text-align: left;
  font-family: var(--font-body);
}
.accordion-header:hover { color: var(--color-gold); }
.accordion-header[aria-expanded="true"] { color: var(--color-gold); }

.accordion-icon {
  display: flex;
  align-items: center;
  color: var(--color-gold);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
}
.accordion-body.open {
  max-height: 600px;
  padding-bottom: 1.25rem;
}
.accordion-body p {
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--color-gray);
}

/* ============================================================
   BADGE
   ============================================================ */
.product-badge {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--color-gold);
  color: var(--color-white);
}

/* ============================================================
   RELATED PRODUCTS
   ============================================================ */
.related-section {
  padding: 5rem 0 6rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-off-white);
}

.related-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}
.related-ornament {
  flex: 1;
  height: 1px;
  max-width: 120px;
  background: linear-gradient(to right, transparent, var(--color-gold));
}
.related-ornament:last-child {
  background: linear-gradient(to left, transparent, var(--color-gold));
}
.related-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-black);
  white-space: nowrap;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.related-cta {
  text-align: center;
}

/* ============================================================
   PRODUCT CARD (related products variant)
   ============================================================ */
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  cursor: pointer;
  display: block;
  color: inherit;
  text-decoration: none;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-color: rgba(201, 169, 110, 0.4);
}

.product-card-visual {
  aspect-ratio: 1 / 1;
  background: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.product-card-initials {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  opacity: 0.4;
  position: relative;
  z-index: 1;
}

.product-card-body {
  padding: 1.25rem;
}
.product-card-category {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.4rem;
}
.product-card-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-black);
  margin-bottom: 0.3rem;
  line-height: 1.2;
}
.product-card-tagline {
  font-size: 0.75rem;
  color: var(--color-gray);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-card-price {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-gold);
}
.product-card-link {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray);
  transition: color var(--transition-base);
}
.product-card:hover .product-card-link { color: var(--color-gold); }

/* ============================================================
   BAG TOAST
   ============================================================ */
.bag-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background: var(--color-white);
  border: 1px solid var(--color-gold);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--color-charcoal);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  pointer-events: none;
}
.bag-toast.show {
  transform: translateY(0);
  opacity: 1;
}
.bag-toast-icon {
  color: var(--color-gold);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ============================================================
   NOT FOUND
   ============================================================ */
.product-not-found {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.not-found-inner {
  text-align: center;
  max-width: 480px;
}
.not-found-icon {
  font-size: 3rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  opacity: 0.5;
}
.not-found-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--color-black);
  margin-bottom: 1rem;
}
.not-found-text {
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --pd-gap: 3rem; }
}

@media (max-width: 860px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .product-visual-sticky {
    position: static;
  }
  :root { --pd-visual-size: 420px; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --pd-section-pad: 3rem 0; }
  .product-name { font-size: 2rem; }
}

@media (max-width: 560px) {
  .related-grid { grid-template-columns: 1fr; }
  .product-actions { flex-wrap: wrap; }
  .btn-add-to-bag { max-width: 100%; flex: 1 1 100%; }
  .bag-toast { right: 1rem; left: 1rem; bottom: 1rem; }
}