/* KZE Organic Beauty — Product Pages v1
   Shared tokens, reset, header, footer, announce bar and
   responsive shell rules are now in ../shared/shell.css

   Product-specific extensions (breadcrumb, hero, gallery,
   actions, sections, related, category-nav) remain below. */

/* ── Breadcrumb ───────────────────────────────────────────────── */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.breadcrumb__link {
  color: var(--gold-deep);
  font-weight: 500;
}

.breadcrumb__link:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.breadcrumb__sep {
  color: var(--line);
}

/* ── Product breadcrumb strip ─────────────────────────────────── */

.product-breadcrumb {
  padding: 2rem 0 0;
}

/* ── Product hero section ─────────────────────────────────────── */

.product-hero-section {
  padding: 2rem 0 4rem;
}

.product-hero {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.product-gallery {
  display: grid;
  gap: 1rem;
  flex: 0 0 auto;
}

.product-gallery__main {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(26, 46, 26, 0.08);
  background:
    radial-gradient(circle at top right, rgba(201, 168, 76, 0.14), transparent 26%),
    #eee5da;
  box-shadow: var(--shadow);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.product-gallery__main:hover {
  transform: translateY(-2px);
  box-shadow: 0 28px 64px rgba(17, 27, 17, 0.18);
}

.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 320ms var(--ease), filter 320ms var(--ease);
}

.product-gallery__main:hover img {
  transform: scale(1.03);
  filter: saturate(1.03);
}

.product-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.product-gallery__thumb {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid rgba(26, 46, 26, 0.12);
  border-radius: 18px;
  overflow: hidden;
  background: #f3eadf;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.product-gallery__thumb:hover {
  transform: translateY(-1px);
  border-color: rgba(167, 133, 50, 0.45);
}

.product-gallery__thumb.is-active {
  border-color: var(--gold-deep);
  box-shadow: 0 0 0 1px rgba(167, 133, 50, 0.18), 0 10px 24px rgba(21, 17, 12, 0.12);
  transform: translateY(-1px);
}

.product-gallery__thumb img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.product-hero__content {
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.3rem 1.25rem;
  border: 1px solid rgba(26, 46, 26, 0.08);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(250, 243, 233, 0.82));
  box-shadow: 0 18px 40px rgba(21, 17, 12, 0.05);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.product-hero__content:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 133, 50, 0.2);
  box-shadow: 0 24px 52px rgba(21, 17, 12, 0.08);
}

.product-hero__name {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 400;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.product-hero__name em {
  color: var(--gold-deep);
  font-style: normal;
}

.product-hero__type {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.product-hero__short {
  max-width: 52ch;
  margin-bottom: 1.6rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ── Product trust badges ─────────────────────────────────────── */

.product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}

.product-badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(167, 133, 50, 0.35);
  border-radius: 999px;
  background: rgba(201, 168, 76, 0.08);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

/* ── Product price ────────────────────────────────────────────── */

.product-hero__price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 1.4rem;
  font-family: var(--font-body);
}

/* ── Out of Stock badge ───────────────────────────────────────── */

.product-stock-status {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(180, 110, 50, 0.09);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ── Product CTA area ─────────────────────────────────────────── */

.product-actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.product-actions .btn {
  width: 100%;
}

.product-assurance {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.25rem;
  padding: 1.1rem 1.15rem;
  border: 1px solid rgba(26, 46, 26, 0.1);
  border-radius: 24px;
  background: rgba(255, 253, 250, 0.9);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.product-assurance:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 133, 50, 0.2);
  box-shadow: 0 18px 38px rgba(21, 17, 12, 0.06);
}

.product-assurance__lead {
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 600;
}

.product-assurance__list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-assurance__list li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.product-assurance__list li::before {
  content: '+';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold-deep);
  font-weight: 700;
}

.product-assurance__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
}

.product-assurance__link {
  color: var(--gold-deep);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-assurance__link:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.product-assurance__link:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Product content sections ─────────────────────────────────── */

.product-sections {
  padding-bottom: 1rem;
}

.product-section {
  position: relative;
  overflow: hidden;
  max-width: 820px;
  margin-bottom: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 253, 250, 0.92);
  box-shadow: 0 18px 45px rgba(21, 17, 12, 0.05);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.product-section:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 133, 50, 0.2);
  box-shadow: 0 24px 52px rgba(21, 17, 12, 0.07);
}

.product-section::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(167, 133, 50, 0.95), rgba(58, 90, 58, 0.55));
}

.product-section__heading {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 400;
  margin-bottom: 1.15rem;
  color: var(--text);
}

.product-description {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.product-long-copy {
  display: grid;
  gap: 1.2rem;
}

.product-long-copy p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.product-long-copy h3 {
  font-size: 1.3rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.5;
  color: var(--text);
}

.product-long-list {
  display: grid;
  gap: 0.9rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.product-long-list li {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.product-long-list strong {
  color: var(--text);
}

/* ── Ingredients / Benefits list ──────────────────────────────── */

.product-benefits-list {
  display: grid;
  gap: 0.9rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-benefits-list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
}

.product-benefits-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold-deep);
  font-size: 0.8rem;
  top: 0.15em;
}

.product-benefits-list li strong {
  color: var(--text);
  font-weight: 600;
}

/* ── How to Use numbered list ─────────────────────────────────── */

.product-how-to {
  display: grid;
  gap: 1.2rem;
  counter-reset: how-to;
  padding: 0;
  margin: 0;
  list-style: none;
}

.product-how-to li {
  position: relative;
  padding-left: 2.6rem;
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  counter-increment: how-to;
}

.product-how-to li::before {
  content: counter(how-to);
  position: absolute;
  left: 0;
  top: 0.05em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1.5px solid var(--gold-deep);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gold-deep);
  font-family: var(--font-body);
  letter-spacing: 0;
}

/* ── Related products ─────────────────────────────────────────── */

.product-related-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(251, 247, 240, 0.9)),
    var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-related-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* ── Category nav (sibling strip) ────────────────────────────── */

.category-nav {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
  margin-top: 0;
}

.category-nav__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.3rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 253, 250, 0.86);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.category-nav__inner:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 133, 50, 0.2);
  box-shadow: 0 20px 42px rgba(21, 17, 12, 0.06);
}

.category-nav__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.category-nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.category-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  background: var(--surface-solid);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease), color 180ms var(--ease);
}

.category-nav__link:hover {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
}

.category-nav__link--back {
  color: var(--muted);
}

@media (prefers-reduced-motion: no-preference) {
  .product-gallery,
  .product-hero__content,
  .product-assurance,
  .product-section,
  .category-nav__inner {
    opacity: 0;
    animation: kze-fade-up 780ms var(--ease) forwards;
  }

  .product-gallery { animation-delay: 120ms; }
  .product-hero__content { animation-delay: 220ms; }
  .product-assurance { animation-delay: 320ms; }
  .product-section:nth-of-type(1) { animation-delay: 180ms; }
  .product-section:nth-of-type(2) { animation-delay: 280ms; }
  .product-section:nth-of-type(3) { animation-delay: 380ms; }
  .product-section:nth-of-type(4) { animation-delay: 480ms; }
  .category-nav__inner { animation-delay: 220ms; }
}

/* ── Responsive ───────────────────────────────────────────────── */

@media (min-width: 768px) {
  /* Product hero desktop layout */
  .product-hero {
    flex-direction: row;
    align-items: flex-start;
    gap: 3.5rem;
  }

  .product-gallery {
    flex: 0 0 44%;
    max-width: 480px;
  }

  .product-gallery__main {
    aspect-ratio: 4 / 5;
  }

  .product-hero__content {
    flex: 1;
    padding-top: 1rem;
  }

  .product-actions .btn {
    max-width: 280px;
    width: auto;
  }

  .product-assurance {
    max-width: 34rem;
  }

  .product-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-nav__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .category-nav__label { margin-bottom: 0; }
}

@media (max-width: 767px) {
  .product-gallery__thumbs {
    gap: 0.55rem;
  }

  .product-related-grid {
    grid-template-columns: 1fr;
  }

  .product-gallery__thumbs {
    grid-auto-flow: column;
    grid-auto-columns: minmax(84px, 1fr);
    overflow-x: auto;
    padding-bottom: 0.15rem;
    scroll-snap-type: x proximity;
  }

  .product-section {
    max-width: 100%;
  }
}