/* ========================================
   HEET LAB — Design System & Styles
   Mobile-first approach
   ======================================== */

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #FAFAF8;
  --text: #1A1A1A;
  --accent: #8B7355;
  --accent-hover: #6B5A45;
  --border: #E8E5E0;
  --card-bg: #FFFFFF;
  --marquee-bg: #1A1A1A;
  --marquee-text: #FAFAF8;

  --font-body: 'Inter', sans-serif;
  --font-heading: 'Cormorant Garamond', serif;

  --container: 1280px;
  --gutter: 24px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 120px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.container--wide {
  max-width: none;
  padding: 0 var(--space-sm);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 12px 32px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 0;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

.btn--primary {
  background: var(--text);
  color: #fff;
  border: 1px solid var(--text);
}

.btn--primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--text);
}

.btn--secondary:hover {
  background: var(--text);
  color: #fff;
}

.btn--full {
  width: 100%;
}

.btn--sm {
  padding: 8px 20px;
  font-size: 12px;
}

/* ===== MARQUEE ===== */
.marquee {
  background: var(--marquee-bg);
  color: var(--marquee-text);
  overflow: hidden;
  height: 36px;
  display: flex;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.marquee__track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee-scroll 30s linear infinite;
  gap: 0;
}

.marquee__text {
  padding: 0 12px;
}

.marquee__separator {
  opacity: 0.4;
}

@keyframes marquee-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.header__burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
}

.header__burger span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 1px;
  transition: 0.3s;
}

.header__nav {
  display: none;
}

.header__cart {
  position: relative;
  display: flex;
  align-items: center;
}

.header__cart-badge {
  position: absolute;
  top: -6px;
  right: -10px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.header__cart-badge.active {
  opacity: 1;
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  height: 60px;
}

.mobile-menu__close {
  font-size: 28px;
  line-height: 1;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  padding: 32px 16px;
  gap: 0;
}

.mobile-menu__link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.mobile-menu__footer {
  margin-top: auto;
  padding: 24px 16px;
  display: flex;
  gap: 24px;
}

.mobile-menu__social {
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero__slide--active {
  opacity: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}

.hero__subtitle {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0.85;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 24px;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-3xl) 0;
}

.section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.section__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
}

.section__link {
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.02em;
  transition: color 0.3s;
  white-space: nowrap;
}

.section__link:hover {
  color: var(--accent-hover);
}

/* ===== PRODUCTS HORIZONTAL SCROLL ===== */
.products-scroll {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}

.products-scroll::-webkit-scrollbar {
  display: none;
}

.products-scroll {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ===== PRODUCT CARD ===== */
.product-card {
  flex: 0 0 220px;
  scroll-snap-align: start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.3s;
}

.product-card:hover {
  border-color: var(--accent);
}

.product-card__image-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #f0efed;
}

.product-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-card__image-wrap img {
  transform: scale(1.05);
}

.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
}

.product-card__body {
  padding: 16px;
}

.product-card__name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
  line-height: 1.3;
}

.product-card__volume {
  font-size: 13px;
  color: #888;
  margin-bottom: 8px;
}

.product-card__price {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.product-card__add-btn {
  width: 100%;
  padding: 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--text);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.3s;

  /* Mobile: always visible */
  display: block;
}

.product-card__add-btn:hover {
  background: var(--accent);
}

/* ===== CATEGORIES GRID ===== */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.category-card {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card-bg);
  transition: border-color 0.3s;
}

.category-card:hover {
  border-color: var(--accent);
}

.category-card__image-wrap {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #f0efed;
}

.category-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.category-card:hover .category-card__image-wrap img {
  transform: scale(1.05);
}

.category-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 400;
  color: var(--accent);
  opacity: 0.4;
}

.category-card__body {
  padding: var(--space-md);
  background: var(--bg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.category-card__name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.category-card__link {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--text);
  color: var(--marquee-text);
  padding: var(--space-3xl) 0 0;
  margin-top: var(--space-4xl);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 32px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
  color: var(--marquee-text);
}

.footer__desc {
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.7;
  max-width: 320px;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.5;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__links a {
  font-size: 14px;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.footer__links a:hover {
  opacity: 1;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
}

.footer__bottom p {
  font-size: 13px;
  opacity: 0.5;
}

/* ===== CART DRAWER ===== */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.cart-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: var(--bg);
  z-index: 310;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s ease;
}

.cart-drawer.open {
  transform: translateX(0);
}

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  min-height: 60px;
}

.cart-drawer__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
}

.cart-drawer__close {
  font-size: 28px;
  line-height: 1;
}

.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.cart-drawer__empty {
  text-align: center;
  padding: 48px 16px;
  opacity: 0.5;
  font-size: 14px;
}

/* Cart item */
.cart-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.cart-item__image {
  width: 64px;
  height: 80px;
  object-fit: cover;
  flex-shrink: 0;
  background: #f0efed;
}

.cart-item__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cart-item__name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
}

.cart-item__price {
  font-size: 14px;
  font-weight: 600;
}

.cart-item__controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.cart-item__qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: border-color 0.3s;
}

.cart-item__qty-btn:hover {
  border-color: var(--text);
}

.cart-item__qty {
  font-size: 14px;
  font-weight: 500;
  min-width: 20px;
  text-align: center;
}

.cart-item__remove {
  margin-left: auto;
  font-size: 12px;
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: opacity 0.3s;
}

.cart-item__remove:hover {
  opacity: 1;
}

.cart-drawer__footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.cart-drawer__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-size: 16px;
}

.cart-drawer__total strong {
  font-size: 18px;
}

/* ===== ORDER FORM ===== */
.cart-drawer__order-form {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
  opacity: 0.7;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  border-radius: 0;
  transition: border-color 0.3s;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--text);
}

.form-group textarea {
  resize: vertical;
}

.cart-drawer__order-form .btn {
  margin-bottom: 8px;
}

/* ===== CATALOG PAGE ===== */
.breadcrumbs {
  padding: 16px 0;
  font-size: 13px;
}

.breadcrumbs a {
  opacity: 0.6;
  transition: opacity 0.3s;
}

.breadcrumbs a:hover {
  opacity: 1;
}

.breadcrumbs span {
  opacity: 0.4;
  margin: 0 8px;
}

.catalog-header {
  padding: 16px 0 32px;
}

.catalog-header__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
}

.catalog-header__desc {
  font-size: 14px;
  opacity: 0.6;
  margin-top: 8px;
  max-width: 480px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

.products-grid .product-card {
  flex: none;
}

/* ===== PRODUCT CARD LINK ===== */
.product-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.product-card__body--action {
  padding-top: 0;
}

/* ===== PRODUCT DETAIL PAGE (PDP) ===== */
.pdp {
  padding: 8px 0 48px;
}

.pdp__layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Gallery */
.pdp__gallery {
  width: 100%;
}

.pdp__main-image-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #f0efed;
  border: 1px solid var(--border);
}

.pdp__main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s;
}

.pdp__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 14px;
  z-index: 1;
}

.pdp__thumbnails {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.pdp__thumb {
  width: 72px;
  height: 90px;
  overflow: hidden;
  border: 1px solid var(--border);
  padding: 0;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.3s, border-color 0.3s;
  background: #f0efed;
}

.pdp__thumb.active,
.pdp__thumb:hover {
  opacity: 1;
  border-color: var(--text);
}

.pdp__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Info */
.pdp__info {
  width: 100%;
}

.pdp__category {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.pdp__name {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 8px;
}

.pdp__volume-label {
  font-size: 14px;
  color: #888;
  margin-bottom: 12px;
}

.pdp__price {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 24px;
}

/* Volume selector */
.pdp__volumes {
  margin-bottom: 24px;
}

.pdp__volumes-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 10px;
}

.pdp__volumes-options {
  display: flex;
  gap: 8px;
}

.pdp__volume-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-body);
}

.pdp__volume-btn:hover {
  border-color: var(--text);
}

.pdp__volume-btn.active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

/* Actions */
.pdp__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

/* Accordions */
.pdp__accordions {
  border-top: 1px solid var(--border);
}

.accordion {
  border-bottom: 1px solid var(--border);
}

.accordion__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  color: var(--text);
  transition: color 0.3s;
}

.accordion__header:hover {
  color: var(--accent);
}

.accordion__icon {
  flex-shrink: 0;
  transition: transform 0.3s;
}

.accordion--open .accordion__icon {
  transform: rotate(45deg);
}

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0;
}

.accordion--open .accordion__body {
  max-height: 500px;
  padding: 0 0 20px;
}

.accordion__body p {
  font-size: 14px;
  line-height: 1.7;
  color: #555;
}

/* ===== RESPONSIVE: >=480px ===== */
@media (min-width: 480px) {
  .product-card {
    flex: 0 0 250px;
  }
}

/* ===== RESPONSIVE: >=768px ===== */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .container--wide {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .product-card {
    flex: 0 0 280px;
  }

  .product-card__add-btn {
    opacity: 0;
    transition: opacity 0.3s, background 0.3s;
  }

  .product-card:hover .product-card__add-btn {
    opacity: 1;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__inner {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  /* PDP desktop layout */
  .pdp__layout {
    flex-direction: row;
    gap: 48px;
  }

  .pdp__gallery {
    flex: 0 0 55%;
    max-width: 55%;
  }

  .pdp__info {
    flex: 1;
    position: sticky;
    top: 100px;
    align-self: flex-start;
  }

  .pdp__name {
    font-size: 2.5rem;
  }

  .pdp__thumb {
    width: 80px;
    height: 100px;
  }

  .pdp__actions {
    flex-direction: row;
  }

  .pdp__actions .btn {
    flex: 1;
  }
}

/* ===== RESPONSIVE: >=1024px ===== */
@media (min-width: 1024px) {
  .header__inner {
    height: 72px;
  }

  .header__burger {
    display: none;
  }

  .header__nav {
    display: flex;
    gap: 32px;
  }

  .header__nav-link {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s;
  }

  .header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s;
  }

  .header__nav-link:hover {
    color: var(--accent);
  }

  .header__nav-link:hover::after {
    width: 100%;
  }

  .hero__title {
    font-size: 4rem;
  }

  .section__title {
    font-size: 2.5rem;
  }

  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }
}