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

:root {
  --blue: #003087;
  --blue-dark: #002060;
  --blue-light: #0052cc;
  --orange: #ff6b00;
  --orange-dark: #e05a00;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-400: #999;
  --gray-600: #555;
  --gray-800: #222;
  --white: #fff;
  --radius: 6px;
  --shadow: 0 2px 8px rgba(0,0,0,0.12);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: 'Segoe UI', Arial, sans-serif; color: var(--gray-800); background: var(--gray-100); line-height: 1.5; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== TOPBAR ===== */
.topbar {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.75);
  font-size: 0.75rem;
  padding: 6px 0;
  text-align: center;
}
.topbar a { color: rgba(255,255,255,0.9); }
.topbar a:hover { color: var(--white); }

/* ===== HEADER ===== */
header {
  background: var(--blue);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.header-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 64px;
}

.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-text {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}
.logo-text span { color: var(--orange); }

.search-bar {
  flex: 1;
  display: flex;
  max-width: 600px;
}
.search-bar input {
  flex: 1;
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius) 0 0 var(--radius);
  font-size: 0.9rem;
  outline: none;
}
.search-bar button {
  background: var(--orange);
  color: var(--white);
  padding: 10px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1rem;
  transition: background 0.2s;
}
.search-bar button:hover { background: var(--orange-dark); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.header-actions a {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--white);
  font-size: 0.7rem;
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: background 0.2s;
  gap: 2px;
}
.header-actions a:hover { background: rgba(255,255,255,0.1); }
.header-actions .icon { font-size: 1.2rem; }
.cart-badge { position: relative; }
.badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--orange);
  color: white;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* ===== NAV ===== */
nav {
  background: var(--blue-dark);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-inner a {
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  padding: 10px 14px;
  white-space: nowrap;
  display: block;
  transition: background 0.2s, color 0.2s;
  font-weight: 500;
}
.nav-inner a:hover, .nav-inner a.active {
  background: rgba(255,255,255,0.12);
  color: var(--white);
}

/* ===== HERO BANNER ===== */
.hero-banner {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.hero-slide {
  display: none;
  position: relative;
  height: 400px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  align-items: center;
}
.hero-slide.active { display: flex; }
.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.hero-text { color: var(--white); max-width: 480px; }
.hero-text .badge-promo {
  background: var(--orange);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hero-text h1 {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 12px;
}
.hero-text p { font-size: 1rem; opacity: 0.85; margin-bottom: 24px; }
.btn-hero {
  background: var(--orange);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-block;
  transition: background 0.2s, transform 0.1s;
}
.btn-hero:hover { background: var(--orange-dark); transform: translateY(-1px); }
.hero-img {
  width: 340px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  flex-shrink: 0;
}
.hero-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.hero-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: background 0.2s, transform 0.2s;
}
.hero-dots button.active {
  background: var(--orange);
  transform: scale(1.2);
}

/* ===== BANNERS ROW ===== */
.banners-row {
  max-width: 1280px;
  margin: 20px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.mini-banner {
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 100px;
  transition: transform 0.2s;
  cursor: pointer;
}
.mini-banner:hover { transform: translateY(-2px); }
.mini-banner-1 { background: linear-gradient(120deg, #003087, #0052cc); }
.mini-banner-2 { background: linear-gradient(120deg, #e05a00, #ff6b00); }
.mini-banner-3 { background: linear-gradient(120deg, #1a1a1a, #333); }
.mini-banner .text { color: var(--white); }
.mini-banner .text strong { display: block; font-size: 1rem; font-weight: 700; }
.mini-banner .text span { font-size: 0.8rem; opacity: 0.85; }
.mini-banner .emoji { font-size: 2.5rem; }

/* ===== SECTION ===== */
.section {
  max-width: 1280px;
  margin: 0 auto 32px;
  padding: 0 16px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--gray-800);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--orange);
  margin-right: 10px;
  vertical-align: middle;
  border-radius: 2px;
}
.view-all {
  color: var(--blue);
  font-size: 0.83rem;
  font-weight: 600;
  transition: color 0.2s;
}
.view-all:hover { color: var(--orange); }

/* ===== CATEGORIES ===== */
.categories-grid {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.categories-grid::-webkit-scrollbar { height: 4px; }
.categories-grid::-webkit-scrollbar-track { background: var(--gray-200); border-radius: 2px; }
.categories-grid::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 2px; }
.category-card {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 90px;
  padding: 12px 8px;
  background: var(--white);
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.category-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
}
.category-icon { font-size: 2rem; }
.category-name { font-size: 0.72rem; font-weight: 600; text-align: center; color: var(--gray-600); }

/* ===== PRODUCT GRID ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.product-img {
  width: 100%;
  height: 200px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}
.product-discount {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--orange);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
}
.product-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 3px;
  text-transform: uppercase;
}
.product-info {
  padding: 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-brand {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}
.product-name {
  font-size: 0.88rem;
  color: var(--gray-800);
  margin-bottom: 8px;
  flex: 1;
  line-height: 1.4;
}
.product-price {
  margin-bottom: 10px;
}
.price-old {
  font-size: 0.78rem;
  color: var(--gray-400);
  text-decoration: line-through;
}
.price-new {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--gray-800);
}
.price-installment {
  font-size: 0.75rem;
  color: var(--gray-600);
}
.price-installment strong { color: var(--blue); }
.btn-add-cart {
  background: var(--blue);
  color: var(--white);
  padding: 9px;
  border-radius: var(--radius);
  font-size: 0.83rem;
  font-weight: 700;
  text-align: center;
  width: 100%;
  transition: background 0.2s;
  display: block;
}
.btn-add-cart:hover { background: var(--blue-light); }

/* ===== BRANDS ===== */
.brands-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.brand-item {
  flex-shrink: 0;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: border-color 0.2s, color 0.2s;
  cursor: pointer;
}
.brand-item:hover { border-color: var(--blue); color: var(--blue); }

/* ===== BENEFITS BAR ===== */
.benefits-bar {
  background: var(--white);
  border-top: 3px solid var(--blue);
  margin: 24px 0;
  padding: 20px 0;
}
.benefits-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.benefit-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.benefit-icon { font-size: 2rem; flex-shrink: 0; }
.benefit-text strong { display: block; font-size: 0.88rem; font-weight: 700; }
.benefit-text span { font-size: 0.78rem; color: var(--gray-600); }

/* ===== FOOTER ===== */
footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.8);
  margin-top: 40px;
}
.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 16px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-brand .logo-text { font-size: 1.3rem; margin-bottom: 12px; }
.footer-brand p { font-size: 0.82rem; line-height: 1.6; max-width: 260px; }
.footer-col h4 {
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
}
.social-links { display: flex; gap: 12px; }
.social-links a {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  transition: color 0.2s;
}
.social-links a:hover { color: var(--orange); }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  max-width: 1280px;
  margin: 16px auto 0;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--gray-400);
}
.breadcrumb a { color: var(--blue); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--gray-600); }

/* ===== PRODUCTS PAGE ===== */
.products-layout {
  max-width: 1280px;
  margin: 20px auto 40px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
}
.sidebar {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  height: fit-content;
  box-shadow: var(--shadow);
}
.sidebar-title {
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--gray-800);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gray-200);
}
.filter-group { margin-bottom: 20px; }
.filter-group-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}
.filter-option input[type="checkbox"] {
  accent-color: var(--blue);
  width: 15px;
  height: 15px;
}
.filter-option label {
  font-size: 0.82rem;
  color: var(--gray-600);
  cursor: pointer;
}
.price-range { display: flex; gap: 8px; align-items: center; }
.price-range input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  font-size: 0.8rem;
}
.btn-filter {
  background: var(--blue);
  color: var(--white);
  padding: 8px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 700;
  width: 100%;
  margin-top: 8px;
  transition: background 0.2s;
}
.btn-filter:hover { background: var(--blue-light); }
.products-main {}
.products-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  background: var(--white);
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.products-count { font-size: 0.85rem; color: var(--gray-600); }
.sort-select {
  padding: 6px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.83rem;
  outline: none;
  cursor: pointer;
}
.products-grid-full {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* ===== CART PAGE ===== */
.cart-layout {
  max-width: 1280px;
  margin: 20px auto 40px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
}
.cart-items {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.cart-header-row {
  background: var(--gray-100);
  padding: 12px 20px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-600);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 40px;
  gap: 12px;
  letter-spacing: 0.3px;
}
.cart-item {
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 40px;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--gray-200);
  transition: background 0.2s;
}
.cart-item:hover { background: var(--gray-100); }
.cart-item-product {
  display: flex;
  align-items: center;
  gap: 12px;
}
.cart-item-img {
  width: 64px;
  height: 64px;
  background: var(--gray-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}
.cart-item-name { font-size: 0.85rem; font-weight: 600; }
.cart-item-brand { font-size: 0.75rem; color: var(--gray-400); margin-top: 2px; }
.cart-item-price { font-size: 0.88rem; font-weight: 700; }
.qty-control {
  display: flex;
  align-items: center;
  gap: 6px;
}
.qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}
.qty-btn:hover { background: var(--gray-200); }
.qty-value { font-size: 0.88rem; font-weight: 600; min-width: 20px; text-align: center; }
.cart-item-total { font-size: 0.95rem; font-weight: 800; color: var(--blue); }
.cart-item-remove {
  color: var(--gray-400);
  font-size: 1.1rem;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item-remove:hover { color: #e53e3e; }
.cart-summary {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 80px;
}
.cart-summary h3 {
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-200);
}
.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.88rem;
  color: var(--gray-600);
}
.summary-row.total {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gray-800);
  padding-top: 12px;
  border-top: 2px solid var(--gray-200);
  margin-top: 8px;
}
.coupon-row {
  margin: 16px 0;
  display: flex;
  gap: 8px;
}
.coupon-row input {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.83rem;
  outline: none;
}
.coupon-row button {
  background: var(--gray-200);
  color: var(--gray-800);
  padding: 9px 14px;
  border-radius: var(--radius);
  font-size: 0.83rem;
  font-weight: 700;
  transition: background 0.2s;
}
.coupon-row button:hover { background: var(--gray-400); color: white; }
.btn-checkout {
  background: var(--orange);
  color: var(--white);
  padding: 14px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 800;
  text-align: center;
  width: 100%;
  display: block;
  transition: background 0.2s, transform 0.1s;
  margin-top: 16px;
}
.btn-checkout:hover { background: var(--orange-dark); transform: translateY(-1px); }
.security-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
  font-size: 0.72rem;
  color: var(--gray-400);
}
.security-badges span { display: flex; align-items: center; gap: 4px; }
.empty-cart {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-600);
}
.empty-cart .icon { font-size: 4rem; margin-bottom: 16px; }
.empty-cart h3 { font-size: 1.2rem; margin-bottom: 8px; }
.empty-cart p { font-size: 0.88rem; margin-bottom: 24px; }
.btn-continue {
  background: var(--blue);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  display: inline-block;
  transition: background 0.2s;
}
.btn-continue:hover { background: var(--blue-light); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
  .hero-img { width: 240px; font-size: 6rem; }
  .hero-text h1 { font-size: 1.9rem; }
}

@media (max-width: 768px) {
  .header-main { gap: 12px; height: 56px; }
  .logo-text { font-size: 1.2rem; }
  .search-bar { max-width: none; }
  .header-actions span:not(.icon):not(.badge) { display: none; }
  .hero-slide { height: 260px; }
  .hero-img { display: none; }
  .hero-text h1 { font-size: 1.5rem; }
  .banners-row { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .products-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .products-grid-full { grid-template-columns: repeat(2, 1fr); }
  .cart-layout { grid-template-columns: 1fr; }
  .cart-header-row { display: none; }
  .cart-item { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-text h1 { font-size: 1.2rem; }
  .hero-text .btn-hero { padding: 10px 20px; font-size: 0.85rem; }
}