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

    :root {
      --background: #1a1a1a;
      --foreground: #fafafa;
      --card: #242424;
      --card-foreground: #fafafa;
      --muted: #333333;
      --muted-foreground: #a3a3a3;
      --border: #404040;
      --accent: #22c55e;
      --accent-dark: #16a34a;
    }

    body {
      font-family: 'Inter', sans-serif;
      background-color: var(--background);
      color: var(--foreground);
      line-height: 1.6;
      min-height: 100vh;
    }

    .font-display {
      font-family: 'Oswald', sans-serif;
    }

    /* Header */
    .header {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: rgba(26, 26, 26, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
    }

    .header-container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 1rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      font-family: 'Oswald', sans-serif;
      font-size: 1.5rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-decoration: none;
      color: var(--foreground);
    }

    .nav-links {
      display: none;
      gap: 2rem;
      list-style: none;
    }

    .nav-links a {
      color: var(--muted-foreground);
      text-decoration: none;
      font-size: 0.875rem;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      transition: color 0.2s;
    }

    .nav-links a:hover {
      color: var(--foreground);
    }

    .whatsapp-btn {
      display: none;
      align-items: center;
      gap: 0.5rem;
      background-color: var(--accent);
      color: #000;
      padding: 0.625rem 1.25rem;
      border-radius: 0.375rem;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.875rem;
      transition: background-color 0.2s;
    }

    .whatsapp-btn:hover {
      background-color: var(--accent-dark);
    }

    .mobile-menu-btn {
      display: flex;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--foreground);
      transition: transform 0.2s;
    }

    .mobile-menu {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background-color: var(--card);
      border-bottom: 1px solid var(--border);
      padding: 1rem;
    }

    .mobile-menu.active {
      display: block;
    }

    .mobile-menu a {
      display: block;
      padding: 0.75rem 0;
      color: var(--muted-foreground);
      text-decoration: none;
      font-weight: 500;
      border-bottom: 1px solid var(--border);
    }

    .mobile-menu a:last-child {
      border-bottom: none;
    }

    .mobile-menu a:hover {
      color: var(--foreground);
    }

    .mobile-whatsapp {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      width: 100%;
      margin-top: 1rem;
      background-color: var(--accent);
      color: #000;
      padding: 0.75rem;
      border-radius: 0.375rem;
      text-decoration: none;
      font-weight: 600;
    }

    @media (min-width: 768px) {
      .nav-links {
        display: flex;
      }

      .whatsapp-btn {
        display: flex;
      }

      .mobile-menu-btn {
        display: none;
      }
    }

    /* Hero */
    .hero {
      position: relative;
      padding: 5rem 1.5rem;
      text-align: center;
      background: linear-gradient(to bottom, var(--card), var(--background));
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    }

    .hero-content {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-block;
      padding: 0.5rem 1rem;
      background-color: var(--muted);
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--accent);
      margin-bottom: 1.5rem;
    }

    .hero-title {
      font-family: 'Oswald', sans-serif;
      font-size: 3rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      line-height: 1.1;
      margin-bottom: 1.5rem;
    }

    .hero-subtitle {
      font-size: 1.125rem;
      color: var(--muted-foreground);
      max-width: 600px;
      margin: 0 auto 2rem;
    }

    .hero-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background-color: var(--foreground);
      color: var(--background);
      padding: 1rem 2rem;
      border-radius: 0.375rem;
      text-decoration: none;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      transition: opacity 0.2s;
    }

    .hero-btn:hover {
      opacity: 0.9;
    }

    @media (min-width: 768px) {
      .hero {
        padding: 8rem 1.5rem;
      }

      .hero-title {
        font-size: 4.5rem;
      }
    }

    /* Main Content */
    .main {
      max-width: 1280px;
      margin: 0 auto;
      padding: 3rem 1.5rem 5rem;
    }

    .section-header {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      margin-bottom: 2rem;
    }

    .section-title {
      font-family: 'Oswald', sans-serif;
      font-size: 1.875rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .filter-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }

    .filter-btn {
      padding: 0.5rem 1rem;
      background-color: var(--muted);
      border: 1px solid var(--border);
      border-radius: 0.375rem;
      color: var(--muted-foreground);
      font-size: 0.875rem;
      cursor: pointer;
      transition: all 0.2s;
    }

    .filter-btn:hover {
      border-color: var(--muted-foreground);
      color: var(--foreground);
    }

    .filter-btn.active {
      background-color: var(--foreground);
      color: var(--background);
      border-color: var(--foreground);
    }

    @media (min-width: 768px) {
      .section-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }
    }

    /* Product Grid */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    @media (min-width: 768px) {
      .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
      }
    }

    @media (min-width: 1024px) {
      .product-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    /* Product Card */
    .product-card {
      background-color: var(--card);
      border-radius: 0.5rem;
      overflow: hidden;
      border: 1px solid var(--border);
      transition: border-color 0.2s, transform 0.2s;
    }

    .product-card:hover {
      border-color: var(--muted-foreground);
      transform: translateY(-4px);
    }

    .product-image-wrapper {
      position: relative;
      aspect-ratio: 1;
      overflow: hidden;
      background-color: var(--muted);
    }

    .product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s;
    }

    .product-card:hover .product-image {
      transform: scale(1.05);
    }

    .product-badge {
      position: absolute;
      top: 0.75rem;
      left: 0.75rem;
      padding: 0.25rem 0.5rem;
      border-radius: 0.25rem;
      font-size: 0.625rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .badge-new {
      background-color: var(--accent);
      color: #000;
    }

    .badge-sold-out {
      background-color: #dc2626;
      color: #fff;
    }

    .product-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
      opacity: 0;
      display: flex;
      align-items: flex-end;
      justify-content: center;
      padding: 1rem;
      transition: opacity 0.3s;
    }

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

    .buy-btn {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      width: 100%;
      justify-content: center;
      background-color: var(--accent);
      color: #000;
      padding: 0.75rem 1rem;
      border-radius: 0.375rem;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.875rem;
      transform: translateY(10px);
      transition: transform 0.3s, background-color 0.2s;
    }

    .product-card:hover .buy-btn {
      transform: translateY(0);
    }

    .buy-btn:hover {
      background-color: var(--accent-dark);
    }

    .buy-btn.disabled {
      background-color: var(--muted);
      color: var(--muted-foreground);
      pointer-events: none;
    }

    .product-info {
      padding: 1rem;
    }

    .product-category {
      font-size: 0.625rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--accent);
      margin-bottom: 0.25rem;
    }

    .product-name {
      font-family: 'Oswald', sans-serif;
      font-size: 1rem;
      font-weight: 600;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
      line-height: 1.2;
    }

    .product-price {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .current-price {
      font-weight: 700;
      font-size: 1.125rem;
    }

    .original-price {
      font-size: 0.875rem;
      color: var(--muted-foreground);
      text-decoration: line-through;
    }

    /* Mobile Buy Button */
    .mobile-buy-btn {
      display: flex;
      margin-top: 0.75rem;
    }

    .mobile-buy-btn a {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      width: 100%;
      background-color: var(--accent);
      color: #000;
      padding: 0.625rem;
      border-radius: 0.375rem;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.75rem;
    }

    .mobile-buy-btn a:hover {
      background-color: var(--accent-dark);
    }

    .mobile-buy-btn a.disabled {
      background-color: var(--muted);
      color: var(--muted-foreground);
      pointer-events: none;
    }

    @media (min-width: 768px) {
      .mobile-buy-btn {
        display: none;
      }
    }

    /* Footer */
    .footer {
      background-color: var(--card);
      border-top: 1px solid var(--border);
      padding: 3rem 1.5rem;
    }

    .footer-container {
      max-width: 1280px;
      margin: 0 auto;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
      margin-bottom: 2rem;
    }

    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
      }
    }

    .footer-brand .logo {
      display: block;
      margin-bottom: 1rem;
    }

    .footer-brand p {
      color: var(--muted-foreground);
      font-size: 0.875rem;
      margin-bottom: 1.5rem;
      max-width: 280px;
    }

    .social-links {
      display: flex;
      gap: 1rem;
    }

    .social-links a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background-color: var(--muted);
      border-radius: 50%;
      color: var(--muted-foreground);
      transition: background-color 0.2s, color 0.2s;
    }

    .social-links a:hover {
      background-color: var(--accent);
      color: #000;
    }

    .footer-section h4 {
      font-family: 'Oswald', sans-serif;
      font-size: 0.875rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: 1rem;
    }

    .footer-section ul {
      list-style: none;
    }

    .footer-section li {
      margin-bottom: 0.5rem;
    }

    .footer-section a {
      color: var(--muted-foreground);
      text-decoration: none;
      font-size: 0.875rem;
      transition: color 0.2s;
    }

    .footer-section a:hover {
      color: var(--foreground);
    }

    .footer-bottom {
      padding-top: 2rem;
      border-top: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      gap: 1rem;
      text-align: center;
    }

    .footer-bottom p {
      color: var(--muted-foreground);
      font-size: 0.75rem;
    }

    @media (min-width: 768px) {
      .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
      }
    }

    /* Icons */
    .icon {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
    }

    .icon-sm {
      width: 16px;
      height: 16px;
    }

    /* No results message */
    .no-results {
      grid-column: 1 / -1;
      text-align: center;
      padding: 4rem 2rem;
      color: var(--muted-foreground);
    }

    .no-results h3 {
      font-family: 'Oswald', sans-serif;
      font-size: 1.5rem;
      margin-bottom: 0.5rem;
      color: var(--foreground);
    }