body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: #fff;
  color: #111;
}

/* HERO */
.shop-hero {
  height: 420px;
  background: url("images/shop-hero.jpg") center/cover no-repeat;
  position: relative;
}

.shop-hero .overlay {
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,.55), rgba(0,0,0,.85));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
}

.shop-hero h1 {
  font-size: 52px;
  letter-spacing: 2px;
}

.shop-hero p {
  margin-top: 10px;
  opacity: 0.9;
}

/* FILTER */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 18px;
  padding: 35px 6%;
  border-bottom: 1px solid #eee;
  flex-wrap: wrap;
}

.filter {
  background: none;
  border: none;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  padding-bottom: 5px;
}

.filter.active {
  border-bottom: 2px solid #111;
}

/* GRID */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 40px;
  padding: 60px 6%;
}

/* PRODUCT */
.product-card {
  transition: transform .3s ease;
}

.product-card:hover {
  transform: translateY(-6px);
}

/* IMAGE */
.image-box {
  position: relative;
  background: #f5f5f5;
}

.image-box img {
  width: 100%;
  display: block;
}

/* BADGES */
.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.badge.new {
  background: #b11226;
}

.badge.limited {
  background: #f59e0b;
}

/* SIZES */
.sizes {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: rgba(0,0,0,.85);
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 10px 0;
  opacity: 0;
  transition: .3s;
}

.product-card:hover .sizes {
  opacity: 1;
}

.sizes button {
  padding: 6px 10px;
  background: none;
  border: 1px solid #fff;
  color: #fff;
  font-size: 12px;
}

.sizes button.active {
  background: #b11226;
  border-color: #b11226;
}

.sizes button:disabled {
  opacity: .4;
}

/* INFO */
.info {
  text-align: center;
  padding-top: 14px;
}

.info h3 {
  font-size: 16px;
  margin-bottom: 5px;
}

.price {
  font-weight: 700;
}

.stock-text {
  margin-top: 6px;
  font-size: 12px;
  color: #b11226;
}

/* ADD TO CART */
.quick-add {
  margin-top: 10px;
  width: 100%;
  padding: 12px;
  background: #111;
  color: #fff;
  border: none;
  opacity: .4;
}

.quick-add.active {
  opacity: 1;
  cursor: pointer;
}

/* CART POPUP */
.cart-popup {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #111;
  color: #fff;
  padding: 15px 25px;
  border-left: 4px solid #b11226;
  opacity: 0;
  transition: .3s;
}

.cart-popup.show {
  opacity: 1;
}

/* MOBILE */
@media(max-width:768px){
  .sizes {
    opacity: 1;
    position: relative;
    background: #111;
  }

  .shop-hero h1 {
    font-size: 36px;
  }
}