:root {
  --primary: #0066ff;
  --primary-dark: #004ecc;
  --primary-nav: #0066ff;
  --topbar: #0a1628;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --bg-soft: #f1f5f9;
  --bg-footer: #eef4fb;
  --accent-red: #e63946;
  --white: #ffffff;
  --radius: 6px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --font: "Poppins", "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* Top bar */
.top-bar {
  background: var(--topbar);
  color: #cbd5e1;
  font-size: 0.8rem;
  padding: 0.45rem 0;
}

.top-bar .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 1rem;
}

.top-bar a {
  color: #e2e8f0;
}

.top-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem 1.5rem;
}

.logo-link img {
  height: 44px;
  width: auto;
}

.search-form {
  display: flex;
  max-width: 520px;
  margin-inline: auto;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.search-form input {
  flex: 1;
  border: none;
  padding: 0.65rem 1rem;
  font: inherit;
  min-width: 0;
}

.search-form input:focus {
  outline: 2px solid rgba(0, 102, 255, 0.35);
  outline-offset: -2px;
}

.search-form button {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 0 1.25rem;
  cursor: pointer;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-actions a,
.cart-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}

.cart-count {
  background: var(--primary);
  color: var(--white);
  font-size: 0.7rem;
  min-width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Nav */
.main-nav {
  background: var(--primary-nav);
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}

.main-nav a {
  display: block;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.85rem 1.35rem;
  transition: background 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(0, 0, 0, 0.12);
  color: var(--white);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #0a2540 0%, #0066ff 55%, #1e3a8a 100%);
  color: var(--white);
  padding: 3.5rem 0;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 2rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

.hero p {
  opacity: 0.92;
  margin: 0 0 1.5rem;
  max-width: 32rem;
}

.hero-img {
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s, background 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

/* Promo grid */
.promo-grid {
  padding: 2.5rem 0;
}

.promo-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.25rem;
}

.promo-card {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 160px;
  position: relative;
  overflow: hidden;
}

.promo-card.large {
  min-height: 340px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.promo-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.promo-card .price {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.promo-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.promo-card img {
  max-height: 140px;
  object-fit: contain;
}

.promo-card.large img {
  max-height: 200px;
  align-self: center;
}

.promo-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Section */
.section {
  padding: 3rem 0;
}

.section-head {
  text-align: center;
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  max-width: 36rem;
  margin-inline: auto;
}

/* Tabs */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.product-tabs button {
  border: none;
  background: var(--bg-soft);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
}

.product-tabs button.active {
  background: var(--primary);
  color: var(--white);
}

/* Products */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  transition: box-shadow 0.2s;
  position: relative;
}

.product-card:hover {
  box-shadow: var(--shadow);
}

.product-card .thumb {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  overflow: hidden;
  border-radius: 8px;
  background: #f8fafc;
}

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

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--primary);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.product-badge.sale {
  background: #0f172a;
}

.product-card .cat {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card h3 {
  font-size: 0.95rem;
  margin: 0.35rem 0;
  line-height: 1.35;
}

.product-card .price-row {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.product-card .price {
  font-weight: 700;
  color: var(--primary);
}

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

.product-card .btn {
  width: 100%;
  padding: 0.5rem;
  font-size: 0.85rem;
}

/* CTA banner */
.cta-banner {
  background: var(--accent-red);
  color: var(--white);
  padding: 2.5rem 0;
  margin: 1rem 0;
}

.cta-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-banner h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.cta-banner .btn-outline-light {
  border-color: var(--white);
}

/* Offers */
.offers-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.offer-box {
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

.countdown {
  display: flex;
  gap: 0.75rem;
  margin: 1rem 0;
}

.countdown span {
  background: var(--white);
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  min-width: 3.5rem;
  border: 1px solid var(--border);
}

.countdown small {
  display: block;
  font-weight: 500;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.offer-list .offer-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.offer-list .offer-item:last-child {
  border-bottom: none;
}

.offer-list ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Testimonials */
.testimonials {
  background: #f8fbff;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--white);
  padding: 1.75rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  position: relative;
}

.testimonial-card::before {
  content: "\201C";
  font-size: 3rem;
  color: var(--primary);
  line-height: 1;
  opacity: 0.35;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.testimonial-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

/* Brands */
.brand-strip {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 2rem 0;
  filter: grayscale(1);
  opacity: 0.65;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-muted);
}

/* Blog cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.blog-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
}

.blog-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.blog-card .body {
  padding: 1.25rem;
}

.blog-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* Page hero */
.page-hero {
  background: linear-gradient(120deg, #0a2540, #0066ff);
  color: var(--white);
  padding: 2.5rem 0;
  text-align: center;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
}

.page-hero p {
  margin: 0;
  opacity: 0.9;
  max-width: 40rem;
  margin-inline: auto;
}

/* Content prose */
.prose {
  max-width: 800px;
  margin: 0 auto;
}

.prose h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.prose h3 {
  margin-top: 1.5rem;
  font-size: 1.1rem;
}

.prose p,
.prose li {
  color: #334155;
}

.content-block {
  padding: 3rem 0;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Forms */
.form-card {
  background: var(--bg-soft);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid rgba(0, 102, 255, 0.35);
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: #dc2626;
}

.field-error {
  color: #dc2626;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

.form-group.has-error .field-error {
  display: block;
}

.checkbox-row {
  display: grid;
  grid-template-columns: 1.125rem minmax(0, 1fr);
  column-gap: 0.75rem;
  row-gap: 0.35rem;
  align-items: start;
  margin-bottom: 1.25rem;
}

.checkbox-row input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  margin: 0.2rem 0 0;
  padding: 0;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  justify-self: start;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-row label {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-weight: 500;
  font-size: 0.9rem;
  line-height: 1.5;
  cursor: pointer;
  text-align: left;
}

.checkbox-row.has-error label {
  color: #dc2626;
}

.checkbox-row .field-error {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  width: auto;
  display: none;
}

.checkbox-row.has-error .field-error {
  display: block;
}

.form-success {
  display: none;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-top: 1rem;
  font-weight: 600;
}

.form-success.visible {
  display: block;
}

/* Shop layout */
.shop-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
}

.shop-sidebar {
  background: var(--bg-soft);
  padding: 1.25rem;
  border-radius: 10px;
  height: fit-content;
}

.shop-sidebar h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.filter-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.filter-list li {
  margin-bottom: 0.35rem;
}

.filter-list button {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  padding: 0.45rem 0.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
}

.filter-list button.active,
.filter-list button:hover {
  background: var(--white);
  color: var(--primary);
  font-weight: 600;
}

/* Cart drawer */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: 0.25s;
}

.cart-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(420px, 100%);
  height: 100%;
  background: var(--white);
  z-index: 1001;
  transform: translateX(100%);
  transition: 0.3s;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
}

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

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.cart-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.cart-item img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 6px;
}

.cart-item h4 {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
}

.qty-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
}

.qty-controls button {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 4px;
  cursor: pointer;
}

.cart-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.cart-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 1rem;
}

/* Footer */
.site-footer {
  background: var(--bg-footer);
  margin-top: 3rem;
}

.footer-main {
  padding: 3rem 0 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 2rem;
}

.footer-main h4 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.footer-main p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.45rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary);
}

.social-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.social-row a {
  width: 36px;
  height: 36px;
  background: #cbd5e1;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.social-row a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-newsletter input {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font: inherit;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pay-icons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pay-icons span {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
}

.legal-links a {
  color: var(--text-muted);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem 1rem;
}

@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero p {
    margin-inline: auto;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }
  .search-form {
    grid-column: 1 / -1;
    order: 3;
    max-width: none;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .promo-layout,
  .offers-split,
  .two-col,
  .blog-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .offer-box {
    grid-template-columns: 1fr;
  }
  .shop-layout {
    grid-template-columns: 1fr;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .nav-toggle {
    display: block;
    margin-left: auto;
  }
  .main-nav ul {
    display: none;
    flex-direction: column;
    width: 100%;
  }
  .main-nav ul.open {
    display: flex;
  }
  .main-nav .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  .cta-banner .container {
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}