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

:root {
  --bg: #ffffff;
  --bg2: #f5f5f5;
  --bg3: #e5e5e5;
  --text: #111111;
  --text2: #707072;
  --text3: #8d8d8d;
  --accent: #111111;
  --accent-hover: #333333;
  --green: #128a09;
  --red: #d43f21;
  --orange: #fa5400;
  --border: #e5e5e5;
  --radius: 8px;
  --shadow: 0 2px 10px rgba(0,0,0,0.08);
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 36px; width: 100%; }

/* ─── NAVBAR ─────────────────────────────────────────────────────────── */

.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text2); }

.cart-link { position: relative; display: flex; align-items: center; gap: 4px; }
.badge {
  background: var(--text);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ─── PAGE HEADER ────────────────────────────────────────────────────── */

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 32px 0 24px;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.filters {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.filters select,
.filters input[type="text"] {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}

.filters select:focus,
.filters input:focus {
  border-color: var(--text);
}

/* ─── BUTTONS ────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: 30px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

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

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--text); }

.btn-danger {
  background: #fff;
  color: var(--red);
  border: 1px solid var(--red);
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-success { background: var(--green); color: #fff; }

.btn-sm { padding: 6px 16px; font-size: 0.8rem; }
.btn-block { display: flex; width: 100%; }

/* ─── PRODUCT GRID ───────────────────────────────────────────────────── */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  padding-bottom: 48px;
}

.product-card {
  position: relative;
  background: var(--bg2);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s;
}

.product-card:hover { transform: translateY(-2px); }

.product-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  background: var(--bg2);
}

.no-image {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: var(--bg2);
}

.product-info {
  padding: 14px 16px 18px;
}

.product-info .category {
  font-size: 0.75rem;
  color: var(--text2);
  text-transform: capitalize;
  display: block;
  margin-bottom: 4px;
}

.product-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-prices {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.price-old {
  font-size: 0.85rem;
  color: var(--text3);
  text-decoration: line-through;
}

/* ─── PROMO BANNER & BADGES ──────────────────────────────────────────── */

.promo-banner {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
  background: var(--text);
  border-radius: 0;
  padding: 12px 20px;
}

.promo-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 24px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
  background: none;
  border-radius: 0;
}

.promo-tag + .promo-tag {
  border-left: 1px solid rgba(255,255,255,0.3);
}

.card-discount-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  z-index: 2;
}

.card-freeship-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--green);
  color: #fff;
  font-weight: 600;
  font-size: 0.65rem;
  padding: 4px 8px;
  border-radius: 4px;
  z-index: 2;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ─── EMPTY STATE ────────────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 80px 20px;
}
.empty-state h2 { font-size: 1.3rem; margin-bottom: 8px; }
.empty-state p { color: var(--text2); }

/* ─── ALERTS ─────────────────────────────────────────────────────────── */

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.alert-success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* ─── CART ────────────────────────────────────────────────────────────── */

.cart-table {
  width: 100%;
  border-collapse: collapse;
}
.cart-table th {
  text-align: left;
  padding: 12px 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.cart-table td {
  padding: 16px 8px;
  vertical-align: middle;
  border-bottom: 1px solid var(--bg2);
  font-size: 0.9rem;
}
.item-image { width: 80px; height: 80px; border-radius: 6px; object-fit: cover; background: var(--bg2); }
.item-name { font-weight: 600; }
.item-variant { color: var(--text2); font-size: 0.85rem; }

.qty-control {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: 30px;
  overflow: hidden;
}
.qty-control .qty-btn,
.qty-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  color: var(--text);
  transition: background 0.15s;
}
.qty-control .qty-btn:hover,
.qty-btn:hover { background: var(--bg2); }
.qty-control span { min-width: 30px; text-align: center; font-weight: 600; font-size: 0.9rem; }

.cart-summary {
  background: var(--bg2);
  padding: 24px;
  border-radius: var(--radius);
  max-width: 400px;
  margin-left: auto;
  margin-top: 24px;
}
.cart-summary .row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--text2);
}
.cart-summary .row.total {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}

.coupon-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.coupon-form input {
  flex: 1;
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: 30px;
  background: #fff;
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
}
.coupon-form input:focus { border-color: var(--text); }

/* ─── CHECKOUT ───────────────────────────────────────────────────────── */

.checkout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  padding-bottom: 60px;
}

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--text);
}

.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

/* ─── FOOTER ─────────────────────────────────────────────────────────── */

footer {
  background: var(--text);
  color: #fff;
  padding: 32px 0;
  margin-top: 48px;
  text-align: center;
  font-size: 0.85rem;
}

/* ─── PRODUCT DETAIL (PREMIUM STYLE) ────────────────────────────────── */

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 32px 0 48px;
  align-items: start;
}

.product-images { position: sticky; top: 80px; }

.main-image-wrapper {
  background: var(--bg2);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-image-placeholder {
  font-size: 5rem;
  color: var(--text3);
}

.thumbnails {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  overflow-x: auto;
}

.thumbnails img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.6;
  transition: all 0.2s;
  background: var(--bg2);
}

.thumbnails img:hover { opacity: 0.85; }
.thumbnails img.active {
  opacity: 1;
  border-color: var(--text);
}

/* Product Detail Info */
.product-detail-info {
  padding-top: 8px;
}

.product-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text2);
  text-transform: capitalize;
  margin-bottom: 8px;
}

.product-detail-info h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 16px;
}

.product-detail-prices {
  flex-direction: column;
  gap: 4px !important;
  margin-bottom: 8px;
}

.product-detail-prices .price {
  font-size: 1.5rem;
  font-weight: 700;
}

.product-detail-prices .price-old {
  font-size: 1rem;
  display: inline;
  margin-right: 8px;
}

.discount-tag {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  vertical-align: middle;
}

.pix-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--green);
  font-weight: 600;
  margin-top: 4px;
}

.installment-info {
  font-size: 0.85rem;
  color: var(--text2);
  margin-top: 2px;
}

.description {
  font-size: 0.9rem;
  color: var(--text2);
  line-height: 1.6;
  margin-top: 16px;
}

.detail-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* Option Buttons (Size) */
.option-group {
  margin-bottom: 20px;
}
.option-group > label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.option-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.option-btn {
  min-width: 48px;
  height: 48px;
  padding: 0 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Quantity Selector */
.quantity-selector {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: 30px;
  overflow: hidden;
}

.quantity-selector .qty-btn {
  width: 44px !important;
  height: 44px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: #fff !important;
  border: none !important;
  font-size: 1.1rem !important;
  cursor: pointer;
  color: var(--text) !important;
  border-radius: 0 !important;
  padding: 0 !important;
}
.quantity-selector .qty-btn:hover { background: var(--bg2) !important; }

.quantity-selector #qty-value {
  min-width: 40px;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
}

/* Add to Cart Button */
.btn-add-cart {
  height: 56px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 30px;
  letter-spacing: 0.3px;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text2);
}

.trust-badge svg { color: var(--text3); flex-shrink: 0; }

/* ─── SHIPPING CALCULATOR ────────────────────────────────────────────── */

.shipping-calculator {
  margin: 24px 0;
  padding: 20px;
  background: var(--bg2);
  border-radius: var(--radius);
  border: none;
}

.shipping-calculator label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 12px;
  color: var(--text);
}

.shipping-input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.shipping-input-row input {
  flex: 1;
  max-width: 180px;
  padding: 10px 14px;
  border-radius: 30px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 1px;
  outline: none;
}

.shipping-input-row input:focus {
  border-color: var(--text);
}

.cep-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text2);
  text-decoration: underline;
}

.cep-link:hover { color: var(--text); }

.shipping-result {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.shipping-free {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--green);
}

.shipping-ok {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
}

.shipping-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--red);
}

.shipping-loading {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
}

/* ─── PRODUCT DETAILS SECTION ────────────────────────────────────────── */

.product-details-section {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.product-details-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.details-card {
  background: var(--bg2);
  border-radius: var(--radius);
  padding: 24px;
}

.details-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.details-card h3 svg { color: var(--text2); }

.details-card p {
  font-size: 0.9rem;
  color: var(--text2);
  line-height: 1.6;
}

.details-card ul {
  list-style: none;
  padding: 0;
}

.details-card ul li {
  font-size: 0.9rem;
  color: var(--text2);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.details-card ul li:last-child { border-bottom: none; }

/* ─── RELATED PRODUCTS ───────────────────────────────────────────────── */

.related-products {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.related-products h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

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

/* ─── PAYMENT PAGE ───────────────────────────────────────────────────── */

.payment-wrapper {
  max-width: 600px;
  margin: 40px auto;
  text-align: center;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-images { position: static; }

  .checkout-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .details-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .container { padding: 0 16px; }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 20px 0 16px;
  }

  .filters {
    width: 100%;
  }

  .filters select,
  .filters input[type="text"] {
    flex: 1;
    min-width: 0;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .product-info { padding: 10px 12px 14px; }
  .product-info h3 { font-size: 0.85rem; }

  .product-detail-info h1 { font-size: 1.3rem; }

  .cart-table th:nth-child(3),
  .cart-table td:nth-child(3) { display: none; }

  .cart-summary { max-width: 100%; }

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

  .related-products {
    margin-top: 24px;
    padding-top: 24px;
  }

  .trust-badges {
    flex-direction: column;
  }

  .main-image-wrapper {
    aspect-ratio: auto;
  }

  .promo-banner {
    flex-direction: column;
    align-items: center;
    padding: 10px 16px;
  }

  .promo-tag {
    padding: 6px 0;
    font-size: 0.8rem;
  }

  .promo-tag + .promo-tag {
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 8px;
  }

  .shipping-input-row input {
    max-width: 140px;
  }

  .form-row { flex-direction: column; gap: 0; }
}