/* HERO SECTION */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: var(--color-bg-dark);
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  animation: heroZoom 20s infinite alternate linear;
}

@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-side);
  color: var(--color-text-inverse);
  animation: fadeInUp 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-heading {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-heading);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-light);
  margin-bottom: var(--space-12);
  color: rgba(255, 255, 255, 0.9);
}

.hero .btn {
  border-color: var(--color-text-inverse);
  color: var(--color-text-inverse);
}
.hero .btn:hover {
  background-color: var(--color-text-inverse);
  color: var(--color-text-main);
}

/* PRODUCT PAGES */
.product-page {
  padding-top: calc(var(--space-24) + 60px);
}
.product-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .product-layout {
    grid-template-columns: 60fr 40fr;
    gap: var(--space-24);
  }
}

.product-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.product-gallery .main-image {
  background-color: var(--color-bg-section);
}
.product-gallery .main-image img {
  width: 100%;
  display: block;
}

.thumbnail-strip {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
}
.thumb-btn {
  width: 80px;
  border: none;
  background: none;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.thumb-btn:hover, .thumb-btn.is-active {
  opacity: 1;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
@media (min-width: 1024px) {
  .product-info {
    position: sticky;
    top: calc(var(--space-16) + 60px);
  }
}

.product-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-heading);
}

.product-price {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.product-options {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
}

.editorial-text {
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
}

/* CART DRAWER */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 480px;
  height: 100%;
  background-color: var(--color-bg-main);
  z-index: var(--z-drawer);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: -20px 0 60px rgba(0,0,0,0.05);
}
.cart-drawer.is-open {
  transform: translateX(0);
}
.cart-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.3);
  backdrop-filter: blur(4px);
  z-index: calc(var(--z-drawer) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.cart-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* CART PAGE */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
  padding-top: calc(var(--space-16) + 60px);
}
@media (min-width: 1024px) {
  .cart-layout { grid-template-columns: 65fr 35fr; gap: var(--space-24); }
}

.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto auto auto;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
@media (max-width: 767px) {
  .cart-item { grid-template-columns: 80px 1fr auto; }
  .cart-item .item-quantity, .cart-item .item-total { grid-column: span 3; justify-content: space-between; }
}
.cart-item img {
  width: 100%;
  background-color: var(--color-bg-section);
}

/* ANIMATIONS */
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* HOMEPAGE SPECIFICS */
.section-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  text-align: center;
  margin-bottom: var(--space-12);
  letter-spacing: var(--letter-spacing-tight);
}
.editorial-text {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-body);
  text-align: center;
  margin-block: var(--space-16);
  font-family: var(--font-family-heading);
  color: var(--color-text-main);
  max-width: 800px;
  margin-inline: auto;
}