/* ═══════════════════════════════════════════════════════════════
   sootheKA — Product Page Styles
   Extends style.css — do not use standalone
═══════════════════════════════════════════════════════════════ */

/* ── Product Banner ── */
.product-banner {
  width: 100%;
  margin-top: calc(var(--nav-h) + var(--ribbon-h));
  overflow: hidden;
  max-height: 500px;
  position: relative;
}

.product-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* ── Breadcrumb ── */
.breadcrumb {
  padding: 0.875rem 0;
  border-bottom: var(--border);
  background: var(--color-cream);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-charcoal-3);
  letter-spacing: 0.06em;
}

.breadcrumb a {
  color: var(--color-charcoal-3);
  transition: color var(--duration);
}

.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb span { color: var(--color-warm-grey); }

/* ── Product Detail ── */
.product-detail {
  padding: var(--space-xl) 0;
  background: var(--color-cream);
}

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: start;
}

@media (min-width: 900px) {
  .product-detail__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
  }
}

/* Visual */
.product-detail__visual {
  display: flex;
  justify-content: center;
}

.product-detail__img-frame {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.product-detail__img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--color-cream-deep);
  display: block;
}

.product-detail__img-accent {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 58%;
  height: 58%;
  border: 1px solid var(--color-gold-pale);
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* Info */
.product-detail__info {
  display: flex;
  flex-direction: column;
}

.product-detail__formula {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-warm-grey);
  margin-bottom: 0.4rem;
}

.product-detail__type {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.6rem;
}

.product-detail__name {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.08;
  color: var(--color-charcoal);
  margin-bottom: var(--space-sm);
}

.product-detail__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
}

.product-detail__size {
  font-size: 0.875rem;
  color: var(--color-charcoal-3);
  letter-spacing: 0.06em;
}

.product-detail__sep {
  color: var(--color-gold-pale);
  font-size: 0.875rem;
}

.product-detail__price {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 500;
  color: var(--color-charcoal);
  line-height: 1;
}

.product-detail__price small {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  color: var(--color-charcoal-3);
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-left: 0.2rem;
}

/* Badges */
.product-detail__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.875rem;
  border: var(--border);
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-charcoal-3);
  background: var(--color-cream-mid);
}

/* Description */
.product-detail__desc {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-charcoal-2);
  font-weight: 300;
  margin-bottom: var(--space-md);
  border-left: 2px solid var(--color-gold-pale);
  padding-left: var(--space-sm);
}

/* Benefits list */
.product-detail__benefits {
  list-style: none;
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.product-detail__benefits li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-charcoal-2);
  line-height: 1.6;
  font-weight: 300;
}

.product-detail__benefits li::before {
  content: '✦';
  color: var(--color-gold);
  font-size: 0.6rem;
  flex-shrink: 0;
  margin-top: 0.45rem;
}

/* CTA */
.product-detail__cta {
  margin-bottom: var(--space-md);
}

.product-detail__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1.1rem var(--space-md);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-charcoal);
  border-radius: var(--radius-sm);
  transition: background var(--duration), transform 200ms;
  margin-bottom: 0.75rem;
}

.product-detail__btn:hover {
  background: var(--color-gold);
  transform: translateY(-1px);
}

.product-detail__cta-note {
  font-size: 0.75rem;
  color: var(--color-warm-grey);
  letter-spacing: 0.04em;
  text-align: center;
  font-style: italic;
}

/* Skin type */
.product-detail__skin-type {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-cream-mid);
  border-radius: var(--radius-md);
  border: var(--border);
}

.product-detail__skin-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.4rem;
}

.product-detail__skin-type p {
  font-size: 0.875rem;
  color: var(--color-charcoal-2);
  font-weight: 300;
}

/* ── Product Ingredients ── */
.product-ingredients {
  padding: var(--space-xl) 0;
  background: var(--color-cream-mid);
  position: relative;
  overflow: hidden;
}

.product-ingredients::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold-pale), var(--color-gold), var(--color-gold-pale), transparent);
  opacity: 0.6;
}

.product-ingredients__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 600px) {
  .product-ingredients__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── How To Use ── */
.product-how-to-use {
  padding: var(--space-xl) 0;
  background: var(--color-cream);
}

.product-how-to-use__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-top: var(--space-lg);
}

@media (min-width: 768px) {
  .product-how-to-use__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.product-how-to-use__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  counter-reset: steps;
}

.product-how-to-use__step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-cream-mid);
  counter-increment: steps;
}

.product-how-to-use__step:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.product-how-to-use__num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-gold);
  opacity: 0.7;
  flex-shrink: 0;
  line-height: 1.2;
  width: 2rem;
}

.product-how-to-use__step p {
  font-size: 0.9375rem;
  color: var(--color-charcoal-2);
  line-height: 1.7;
  font-weight: 300;
  padding-top: 0.15rem;
}

.product-how-to-use__note {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-cream-mid);
  border-left: 2px solid var(--color-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.product-how-to-use__note p {
  font-size: 0.8125rem;
  color: var(--color-charcoal-3);
  line-height: 1.7;
  font-weight: 300;
  font-style: italic;
}

/* How to use visual placeholder */
.product-how-to-use__visual {
  display: flex;
  justify-content: center;
}

.product-how-to-use__img-wrap {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 4/5;
  position: relative;
  background: var(--color-cream-deep);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-how-to-use__img-wrap .placeholder-label {
  position: static;
  text-align: center;
}

/* ── Also Try ── */
.also-try {
  padding: var(--space-xl) 0;
  background: var(--color-cream-mid);
  text-align: center;
}

.also-try .product-card {
  max-width: 400px;
  margin: var(--space-lg) auto 0;
  text-align: left;
}

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-charcoal-3);
  transition: color var(--duration);
  margin-bottom: var(--space-lg);
}

.back-link::before {
  content: '←';
  font-size: 1rem;
}

.back-link:hover { color: var(--color-gold); }