/* ============================================================
   Product Page Styles
   ============================================================ */

/* ---------- Page themes ---------- */
.page--dark { background: var(--black); color: var(--white); }
.page--light { background: var(--white); color: var(--gray-800); }

/* ---------- Product Hero ---------- */
.ph {
  padding: 120px 0 var(--section-pad);
}

.ph__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.ph__image-main {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.ph__image-main img {
  max-height: 420px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
  transition: transform 0.5s var(--ease-smooth);
}

.ph__thumbs {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}
.ph__thumb {
  width: 72px;
  height: 72px;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid transparent;
  padding: 4px;
  cursor: pointer;
  transition: border-color 0.3s;
  background: rgba(255,255,255,0.05);
}
.ph__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.ph__thumb--active {
  border-color: var(--gold);
}

.ph__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--black);
  padding: 6px 16px;
  margin-bottom: 1.2rem;
}

.ph__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}
.page--dark .ph__title { color: var(--gold); }

.ph__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  opacity: 0.6;
  margin-bottom: 2rem;
}

/* Includes list */
.ph__includes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  border: 1px solid rgba(197, 164, 78, 0.2);
  border-radius: 4px;
}
.ph__includes-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.ph__includes-icon {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.ph__includes-icon svg { width: 18px; height: 18px; }
.ph__includes-item strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}
.ph__includes-item span {
  font-size: 0.82rem;
  opacity: 0.6;
}

/* Trust badges */
.ph__trust {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.ph__trust span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
}

/* ---------- Pricing Toggle ---------- */
.pricing {
  margin-bottom: 1rem;
}

.pricing__toggle {
  display: flex;
  border: 1px solid rgba(197, 164, 78, 0.3);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.pricing__tab {
  flex: 1;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  color: var(--gold);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  transition: all 0.3s;
}
.pricing__tab--active {
  background: var(--gold);
  color: var(--black);
}

.pricing__tab-badge {
  display: inline-block;
  background: #2ecc71;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
}
.pricing__tab--active .pricing__tab-badge {
  background: var(--black);
  color: var(--gold);
}

.pricing__plan { display: none; }
.pricing__plan--active { display: block; }

.pricing__price {
  text-align: center;
  margin-bottom: 1.2rem;
}

.pricing__amount {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
}
.pricing__period {
  display: block;
  font-size: 0.82rem;
  opacity: 0.5;
  margin-top: 0.25rem;
}
.pricing__save {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #2ecc71;
  margin-top: 0.4rem;
}

.pricing__note {
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.5;
  margin-top: 0.75rem;
}

.btn--full { width: 100%; text-align: center; }

/* ---------- Product Details ---------- */
.pd {
  padding: var(--section-pad) 0;
}
.page--dark .pd { background: #111; }
.page--light .pd { background: var(--gray-100); }

.pd__product { margin-bottom: 4rem; }

.pd__product-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.pd__product-thumb {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 4px;
}
.pd__product-header h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.8rem;
  line-height: 1.2;
}
.pd__product-header em {
  font-weight: 400;
  color: var(--gold);
}
.pd__product-sub {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 0.25rem;
}

.pd__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
}

.pd__description h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--gold);
}
.pd__description p {
  font-size: 0.95rem;
  line-height: 1.8;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.pd__ingredients {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.pd__ingredient {
  padding: 1.2rem;
  border: 1px solid rgba(197, 164, 78, 0.15);
  border-radius: 4px;
}
.pd__ingredient h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.page--dark .pd__ingredient h4 { color: var(--white); }
.pd__ingredient p {
  font-size: 0.85rem;
  line-height: 1.6;
  opacity: 0.65;
  margin-bottom: 0;
}

/* Highlights sidebar */
.pd__highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pd__highlight-card {
  padding: 1.2rem 1.5rem;
  border: 1px solid rgba(197, 164, 78, 0.2);
  border-radius: 4px;
  text-align: center;
}
.pd__highlight-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.pd__highlight-label {
  font-size: 0.82rem;
  opacity: 0.6;
}

/* Buy single */
.pd__buy-single {
  margin-top: 1rem;
  padding: 1.2rem;
  border: 1px solid rgba(197, 164, 78, 0.25);
  border-radius: 4px;
}
.pd__buy-single-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  text-align: center;
}

.pricing__mini-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
}
.pricing__mini-row + .pricing__mini-row {
  border-top: 1px solid rgba(128, 128, 128, 0.12);
}
.pricing__mini-row span {
  font-size: 0.88rem;
}
.pricing__mini-row em {
  font-size: 0.75rem;
  opacity: 0.5;
  font-style: normal;
}

.pd__separator {
  height: 1px;
  background: rgba(197, 164, 78, 0.15);
  margin: 2rem 0;
}

/* ---------- Sticky CTA Bar ---------- */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 900;
  padding: 12px 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(197, 164, 78, 0.2);
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-smooth);
}
.sticky-bar--visible {
  transform: translateY(0);
}

.page--light .sticky-bar {
  background: rgba(250, 250, 250, 0.95);
  border-top-color: var(--gray-200);
}

.sticky-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sticky-bar__info strong {
  font-size: 0.9rem;
}
.page--light .sticky-bar__info strong { color: var(--black); }
.sticky-bar__info span {
  font-size: 0.78rem;
  opacity: 0.5;
  margin-left: 0.75rem;
}

.sticky-bar__action {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.sticky-bar__price {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--gold);
}

/* Active nav link */
.nav__link--active {
  color: var(--white) !important;
}
.nav__link--active::after {
  width: 100% !important;
}

/* ---------- Light theme overrides ---------- */
.page--light .ph__badge {
  background: var(--black);
  color: var(--gold);
}
.page--light .ph__includes {
  border-color: var(--gray-200);
}
.page--light .ph__includes-item strong { color: var(--black); }
.page--light .ph__trust span { color: var(--gold-dark); }
.page--light .pricing__toggle {
  border-color: var(--gray-200);
}
.page--light .pricing__tab {
  color: var(--gray-800);
}
.page--light .pricing__tab--active {
  background: var(--black);
  color: var(--gold);
}
.page--light .pricing__amount { color: var(--black); }
.page--light .pd__ingredient {
  border-color: var(--gray-200);
}
.page--light .pd__ingredient h4 { color: var(--black); }
.page--light .pd__highlight-card {
  border-color: var(--gray-200);
}
.page--light .pd__buy-single {
  border-color: var(--gray-200);
}
.page--light .btn--outline {
  border-color: var(--black);
  color: var(--black);
}
.page--light .btn--outline:hover {
  background: var(--black);
  color: var(--white);
}

/* ---------- Upsell (3-product set) ---------- */
.pd__upsell {
  text-align: center;
  padding: 3rem 2rem;
  margin-top: 2rem;
  border: 2px solid rgba(197, 164, 78, 0.3);
  border-radius: 8px;
  background: rgba(197, 164, 78, 0.04);
  position: relative;
}
.pd__upsell-badge {
  display: inline-block;
  padding: 6px 18px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--black);
  border-radius: 2px;
  margin-bottom: 1rem;
}
.pd__upsell h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.pd__upsell-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 1.5rem;
}
.pd__upsell-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}
.pd__upsell-old {
  font-size: 1.1rem;
  text-decoration: line-through;
  opacity: 0.4;
}
.pd__upsell-amount {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold);
}
.pd__upsell-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.pd__upsell-actions .btn { min-width: 200px; }

.page--light .pd__upsell {
  border-color: rgba(10, 10, 10, 0.15);
  background: rgba(10, 10, 10, 0.02);
}
.page--light .pd__upsell-desc {
  color: rgba(10, 10, 10, 0.55);
}
.page--light .pd__upsell-old {
  color: rgba(10, 10, 10, 0.4);
}
.page--light .pd__upsell-amount {
  color: var(--black);
}
.page--light .pd__upsell-badge {
  background: var(--black);
  color: var(--white);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .ph__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .ph__includes { text-align: left; }
  .ph__trust { justify-content: center; }
  .pd__grid {
    grid-template-columns: 1fr;
  }
  .pd__ingredients {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ph { padding: 100px 0 60px; }
  .ph__image-main img { max-height: 300px; }
  .sticky-bar__info span { display: none; }
  .pd__product-header {
    flex-direction: column;
    text-align: center;
  }
}