:root {
  --primary: #FF6B6B;
  --primary-dark: #E85555;
  --secondary: #FFF8F0;
  --accent: #1A1A2E;
  --text: #222222;
  --muted: #666666;
  --light: #F5F5F5;
  --white: #ffffff;
  --radius: 1rem;
  --shadow: 0 4px 14px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 28px rgba(0,0,0,0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.55;
}

img, svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.logo {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--primary);
}

.header-search {
  display: none;
  flex: 1;
  max-width: 420px;
}

.header-search input {
  width: 100%;
  padding: 0.55rem 1rem;
  border: 1.5px solid var(--light);
  border-radius: 999px;
  background: var(--secondary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.header-search input:focus {
  border-color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--accent);
  transition: background 0.2s, transform 0.2s;
}

.icon-btn:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.icon-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--secondary);
  cursor: pointer;
  padding: 0 0.6rem;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: 0.2s;
}

.mobile-nav {
  display: none;
  padding: 0.5rem 0 1rem;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--light);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

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

.btn-secondary {
  background: var(--accent);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--light);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-small {
  padding: 0.5rem 0.85rem;
  font-size: 0.85rem;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--secondary) 0%, #ffffff 100%);
  padding: 3rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  color: var(--accent);
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

/* Filters */
.filters {
  padding: 1.25rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--light);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
}

.pill {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1.5px solid var(--light);
  background: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.15s;
}

.pill:hover, .pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.filter-group input[type="range"] {
  width: 120px;
}

.filter-group select {
  padding: 0.4rem 0.7rem;
  border-radius: 0.5rem;
  border: 1.5px solid var(--light);
  background: var(--white);
  font-size: 0.9rem;
}

/* Product grid */
.section {
  padding: 2.5rem 0;
}

.section-title {
  font-size: 1.5rem;
  margin: 0 0 1.25rem;
  color: var(--accent);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* Product card */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.card-visual {
  position: relative;
  background: var(--secondary);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.card-visual .product-art {
  width: 100%;
  height: 100%;
  max-width: 160px;
  max-height: 160px;
}

.product-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 0.25s ease;
}

.product-card:hover .product-photo {
  transform: scale(1.04);
}

.product-photo-large {
  object-fit: contain;
  max-height: 420px;
}

.badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

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

.badge-accent {
  background: var(--accent);
  color: var(--white);
}

.badge-soft {
  background: var(--white);
  color: var(--accent);
  box-shadow: var(--shadow);
}

.card-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-brand {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 0.2rem;
  color: var(--accent);
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.card-demand {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.card-price {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--accent);
  margin-top: auto;
  margin-bottom: 0.75rem;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
}

.card-actions .btn {
  flex: 1;
}

/* Product detail */
.product-detail {
  padding: 2rem 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.detail-visual {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-visual .product-art {
  width: 100%;
  max-width: 360px;
  height: auto;
}

.detail-info h1 {
  font-size: 1.75rem;
  margin: 0 0 0.25rem;
  color: var(--accent);
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.detail-price {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--accent);
  margin: 0.5rem 0 1rem;
}

.detail-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.detail-bullets li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.5rem;
}

.detail-bullets li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 800;
}

.quantity-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.quantity-row input {
  width: 4rem;
  text-align: center;
  padding: 0.6rem;
  border-radius: 0.5rem;
  border: 1.5px solid var(--light);
  font-weight: 700;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--primary);
  font-weight: 600;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Cart */
.cart-page {
  padding: 2rem 0;
}

.cart-empty {
  text-align: center;
  padding: 3rem 1rem;
}

.cart-empty h2 {
  color: var(--accent);
}

.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--light);
}

.cart-thumb {
  width: 80px;
  height: 80px;
  background: var(--secondary);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.cart-thumb .product-art {
  width: 100%;
  height: 100%;
}

.cart-thumb .product-photo {
  object-fit: contain;
  mix-blend-mode: multiply;
}

.detail-gallery {
  width: 100%;
}

.detail-photo-main {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: var(--radius);
  background: var(--secondary);
  mix-blend-mode: multiply;
}

.detail-thumbs {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.detail-thumbs img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 0.5rem;
  background: var(--secondary);
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0.25rem;
  box-sizing: border-box;
}

.detail-thumbs img.active,
.detail-thumbs img:hover {
  border-color: var(--primary);
}

.cart-item-info h3 {
  font-size: 1rem;
  margin: 0 0 0.15rem;
}

.cart-item-info p {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

.cart-item-price {
  font-weight: 800;
  color: var(--accent);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-item-actions input {
  width: 3rem;
  text-align: center;
  padding: 0.35rem;
  border: 1.5px solid var(--light);
  border-radius: 0.4rem;
}

.remove-btn {
  background: transparent;
  border: none;
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.85rem;
}

.cart-summary {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.95rem;
}

.summary-row.total {
  font-size: 1.2rem;
  font-weight: 900;
  border-top: 2px solid var(--accent);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
}

/* Checkout */
.checkout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--light);
  border-radius: 0.6rem;
  font-size: 1rem;
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.demo-notice {
  background: #fff3cd;
  color: #856404;
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

/* Trust badges */
.trust-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.trust-badge {
  background: var(--white);
  border: 1.5px solid var(--light);
  border-radius: var(--radius);
  padding: 1.25rem 0.75rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.trust-badge:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.trust-icon {
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto 0.5rem;
  color: var(--primary);
}

.trust-badge h4 {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
  color: var(--accent);
}

.trust-badge p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Newsletter */
.newsletter {
  background: var(--accent);
  color: var(--white);
  padding: 2.5rem 0;
  text-align: center;
}

.newsletter h2 {
  margin: 0 0 0.5rem;
}

.newsletter p {
  margin: 0 0 1rem;
  opacity: 0.85;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 420px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: none;
  font-size: 1rem;
}

/* Footer */
.site-footer {
  background: var(--accent);
  color: var(--white);
  padding: 2.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.footer-col a, .footer-col p {
  display: block;
  font-size: 0.9rem;
  opacity: 0.85;
  margin: 0 0 0.4rem;
}

.footer-col a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1rem;
  font-size: 0.8rem;
  opacity: 0.7;
}

/* Legal / content pages */
.content-page {
  padding: 2rem 0;
  max-width: 800px;
}

.content-page h1 {
  font-size: 1.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.content-page h2 {
  font-size: 1.2rem;
  color: var(--accent);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.content-page p, .content-page li {
  font-size: 0.95rem;
  color: var(--text);
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.hidden { display: none !important; }

/* Responsive */
@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-badges {
    grid-template-columns: repeat(4, 1fr);
  }
  .newsletter-form {
    flex-direction: row;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cart-item {
    grid-template-columns: 100px 1fr auto auto;
  }
}

@media (min-width: 900px) {
  .hero {
    padding: 4.5rem 0;
  }
  .hero h1 {
    font-size: 2.75rem;
  }
  .header-search {
    display: block;
  }
  .hamburger {
    display: none;
  }
  .mobile-nav {
    display: none !important;
  }
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .detail-grid,
  .checkout-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}