:root {
  --primary: #0e2920;
  --cta: #f26b3a;
  --nav-hover: #e53935;
  --gold: #f59e0b;
  --bg-body: #faf9f6;
  --text-main: #222222;
  --text-muted: #666666;
  --border-color: #e5e5e5;
  --radius-pill: 50px;
  --radius-card: 14px;
  --header-h: 72px;
  --font: "Be Vietnam Pro", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: #fbf2df;
  border-bottom: 1px solid rgba(14, 41, 32, 0.06);
}

.header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--primary);
  font-size: 19px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}
.logo:hover {
  opacity: 0.9;
}

.logo__text {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo__image {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo__mark {
  width: 15px;
  height: 25px;
  border-radius: 5px;
  background: var(--primary);
  box-shadow: inset 0 6px 0 var(--cta);
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}

.nav a:hover,
.nav a.is-active:hover {
  color: var(--nav-hover);
}

.nav a.is-active {
  color: var(--text-main);
  font-weight: 600;
}

@media (min-width: 1024px) {
  .header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .header__left {
    flex-shrink: 0;
  }
  .header__inner > .nav {
    position: static;
    transform: none;
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: clamp(16px, 2.2vw, 28px);
  }
}

@media (max-width: 1023px) {
  .header {
    height: auto;
    padding: 8px 0;
  }

  .header__inner {
    height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .header__inner > .nav {
    position: static;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 18px;
    transform: none;
  }
}

/* Product listing */
.main-content {
  padding: 30px 0 60px;
}

.section-title {
  margin-bottom: 24px;
}

.section-title h2 {
  color: var(--primary);
  font-size: 24px;
  font-weight: 700;
}

.section-title p {
  color: var(--text-muted);
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin: 28px 0 60px;
}

.product-card {
  display: flex;
  min-width: 0;
  min-height: 385px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #dededb;
  border-radius: var(--radius-card);
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.product-card__link {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.product-card__buy {
  min-height: 42px;
  margin: 0 18px 16px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--cta);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.product-card__buy:hover {
  background: #df5429;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: #d5d5cf;
  box-shadow: 0 10px 24px rgba(14, 41, 32, 0.09);
}

.product-card__img-wrap {
  position: relative;
  width: 100%;
  height: 258px;
  flex: 0 0 258px;
  overflow: hidden;
  background: #f2f2f2;
}

.product-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.35s ease;
}

.product-card:hover .product-card__img {
  transform: scale(1.035);
}

.product-badge-discount {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1;
  padding: 3px 6px;
  border-radius: 4px;
  background: #ff4d4f;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.product-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 14px 18px 18px;
}

.product-card-tag {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  padding: 4px 8px;
  border-radius: 5px;
  background: #fff0e9;
  color: var(--cta);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
}

.product-card__title {
  display: -webkit-box;
  width: 100%;
  min-height: 48px;
  overflow: hidden;
  color: #292929;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  overflow-wrap: break-word;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-card__price-box {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
}

.product-card__price {
  color: var(--cta);
  font-size: 18px;
  font-weight: 800;
}

.product-card__old-price {
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: line-through;
}

.product-card[hidden] {
  display: none;
}

/* Detail page */
.breadcrumb {
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 30px;
  border-radius: var(--radius-card);
  background: #fff;
}

.product-gallery__main {
  width: 100%;
  height: 400px;
  overflow: hidden;
  margin-bottom: 12px;
  border-radius: 8px;
  background: #f9f9f9;
}

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

.product-gallery__thumbs {
  display: flex;
  gap: 10px;
}

.product-gallery__thumbs img {
  width: 70px;
  height: 70px;
  border: 2px solid transparent;
  border-radius: 6px;
  object-fit: cover;
  cursor: pointer;
}

.product-gallery__thumbs img.is-active {
  border-color: var(--cta);
}

.product-badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(242, 107, 58, 0.1);
  color: var(--cta);
  font-size: 12px;
  font-weight: 700;
}

.product-title {
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 24px;
  font-weight: 700;
}

.product-rating {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 14px;
}

.stars {
  color: #ffc107;
}

.product-price-box {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #fcfbf9;
}

.price-current {
  color: var(--cta);
  font-size: 26px;
  font-weight: 800;
}

.price-old {
  color: var(--text-muted);
  font-size: 16px;
  text-decoration: line-through;
}

.discount-tag {
  padding: 2px 6px;
  border-radius: 4px;
  background: #ff4d4f;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.option-group {
  margin-bottom: 20px;
}

.option-label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
}

.color-swatches {
  display: flex;
  gap: 10px;
}

.swatch {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
}

.swatch.is-selected {
  transform: scale(1.1);
  border-color: var(--cta);
}

.product-quantity {
  margin-bottom: 24px;
}

.quantity-selector {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.quantity-selector button {
  width: 36px;
  height: 38px;
  border: none;
  background: #f5f5f5;
  font-size: 16px;
  cursor: pointer;
}

.quantity-selector input {
  width: 50px;
  border: none;
  outline: none;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}

.product-actions {
  display: flex;
  gap: 12px;
}

.btn {
  flex: 1;
  padding: 14px;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.btn-outline {
  border: 1px solid rgba(242, 107, 58, 0.3);
  background: rgba(242, 107, 58, 0.08);
  color: var(--cta);
}

.btn-primary {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 4px 12px rgba(242, 107, 58, 0.3);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1000;
  padding: 12px 20px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
}

.toast.show {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .product-card__img-wrap {
    height: 230px;
    flex-basis: 230px;
  }
}

@media (max-width: 700px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .product-card {
    min-height: 0;
  }

  .product-card__img-wrap {
    height: auto;
    flex-basis: auto;
    aspect-ratio: 1 / 1;
  }

  .product-card__body {
    gap: 7px;
    padding: 12px;
  }

  .product-card-tag {
    font-size: 10px;
  }

  .product-card__title {
    min-height: 38px;
    font-size: 13px;
  }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }

  .product-gallery__main {
    height: 320px;
  }
}

@media (max-width: 420px) {
  .product-grid {
    gap: 10px;
  }

  .product-card__body {
    padding: 9px;
  }

  .product-card__title {
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}