/* --------------------------------------------------
       1. VARIABLES & RESET (copied from index.html)
       -------------------------------------------------- */
    :root {
      /* Colors */
      --primary: #0284c7;          /* Sky 700 - Accent */
      --primary-light: #e0f2fe;    /* Sky 100 - Pastel Accent BG */
      --primary-hover: #0369a1;    /* Sky 800 */
      --accent: #38bdf8;           /* Sky 400 */
      --accent-light: #f0f9ff;     /* Sky 50 */
      
      --neutral-50: #f8fafc;       /* Lightest Gray */
      --neutral-100: #f1f5f9;      /* Light Gray Border/BG */
      --neutral-200: #e2e8f0;      /* Border */
      --neutral-300: #cbd5e1;      /* Muted Border */
      --neutral-600: #475569;      /* Body Text */
      --neutral-800: #1e293b;      /* Headings */
      --neutral-900: #0f172a;      /* Dark Headings */
      
      --white: #ffffff;
      --success: #10b981;          /* Green for success states */
      
      /* Typography */
      --font-body: 'Inter', sans-serif;
      --font-heading: 'Poppins', sans-serif;
      --font-brand: 'Montserrat', sans-serif;
      
      /* Layout & Shadows */
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.04), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
      --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
      --shadow-premium: 0 25px 50px -12px rgba(15, 23, 42, 0.08);
      
      /* Transitions */
      --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
      
      scroll-behavior: smooth;
    }

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

    body {
      font-family: var(--font-body);
      color: var(--neutral-600);
      background-color: var(--white);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      padding-top: 66px; /* Space for sticky header */
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-heading);
      color: var(--neutral-900);
      font-weight: 600;
      line-height: 1.25;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-fast);
    }

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

    button {
      font-family: inherit;
      font-size: inherit;
      border: none;
      outline: none;
      background: none;
      cursor: pointer;
    }

    /* --------------------------------------------------
       2. REUSABLE UTILITIES & BUTTONS
       -------------------------------------------------- */
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 28px;
      font-family: var(--font-heading);
      font-weight: 600;
      font-size: 0.95rem;
      border-radius: var(--radius-md);
      transition: var(--transition-normal);
      cursor: pointer;
    }

    .btn-primary {
      background-color: var(--primary);
      color: var(--white);
      box-shadow: 0 4px 14px rgba(2, 132, 199, 0.15);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(2, 132, 199, 0.25);
    }

    .btn-secondary {
      background-color: var(--neutral-50);
      color: var(--neutral-800);
      border: 1px solid var(--neutral-200);
    }

    .btn-secondary:hover {
      background-color: var(--neutral-100);
      border-color: var(--neutral-300);
      transform: translateY(-2px);
    }

    .badge {
      display: inline-block;
      padding: 6px 14px;
      background-color: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    /* --------------------------------------------------
       3. HEADER & NAVIGATION (copied from index.html)
       -------------------------------------------------- */
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      transition: var(--transition-normal);
      padding: 14px 0;
      background-color: var(--white);
      border-bottom: 1px solid transparent;
      box-shadow: none;
    }

    header.scrolled {
      padding: 8px 0;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(2, 132, 199, 0.08);
      box-shadow: none;
    }

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

    .logo {
      display: flex;
      align-items: center;
      transition: var(--transition-normal);
    }

    .logo-image {
      width: 140px;
      height: 38px;
      background-color: var(--primary);
      -webkit-mask-image: url('https://i.ibb.co/F45MMsDG/rijwielhuisdrunenlogo.png');
      mask-image: url('https://i.ibb.co/F45MMsDG/rijwielhuisdrunenlogo.png');
      -webkit-mask-size: contain;
      mask-size: contain;
      -webkit-mask-repeat: no-repeat;
      mask-repeat: no-repeat;
      -webkit-mask-position: left center;
      mask-position: left center;
      transition: background-color var(--transition-normal);
    }

    .mobile-drawer .logo-image {
      background-color: var(--primary);
    }

    .footer-logo .logo-image {
      background-color: var(--white);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 36px;
    }

    .nav-link {
      font-family: var(--font-heading);
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--neutral-600);
      position: relative;
      padding: 8px 0;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: var(--transition-normal);
      border-radius: var(--radius-full);
    }

    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* Mobile Menu Toggle */
    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 24px;
      height: 18px;
      cursor: pointer;
      z-index: 1001;
    }

    .menu-toggle span {
      width: 100%;
      height: 2px;
      background-color: var(--neutral-900);
      border-radius: var(--radius-full);
      transition: var(--transition-normal);
    }

    /* --------------------------------------------------
       4. MOBILE MENU DRAWER
       -------------------------------------------------- */
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: -100%;
      width: 100%;
      max-width: 320px;
      height: 100vh;
      background-color: var(--white);
      z-index: 1005;
      box-shadow: var(--shadow-xl);
      padding: 40px 30px;
      display: flex;
      flex-direction: column;
      gap: 40px;
      transition: right var(--transition-normal);
    }

    .mobile-drawer.open {
      right: 0;
    }

    .mobile-drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .close-drawer {
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--neutral-600);
      transition: var(--transition-fast);
    }

    .close-drawer:hover {
      color: var(--primary);
    }

    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .mobile-nav-link {
      font-family: var(--font-heading);
      font-size: 1.15rem;
      font-weight: 500;
      color: var(--neutral-800);
      padding-bottom: 8px;
      border-bottom: 1px solid var(--neutral-100);
    }

    .mobile-nav-link:hover, .mobile-nav-link.active {
      color: var(--primary);
      border-bottom-color: var(--primary);
    }

    .mobile-drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background-color: rgba(15, 23, 42, 0.4);
      backdrop-filter: blur(4px);
      z-index: 1004;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition-normal);
    }

    .mobile-drawer-overlay.active {
      opacity: 1;
      visibility: visible;
    }

    /* --------------------------------------------------
       5. BREADCRUMBS & PRODUCT LAYOUT
       -------------------------------------------------- */
    .breadcrumbs-section {
      background-color: var(--neutral-50);
      padding: 16px 0;
      border-bottom: 1px solid var(--neutral-100);
    }

    .breadcrumbs {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--neutral-600);
      flex-wrap: wrap;
    }

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

    .breadcrumbs .separator {
      color: var(--neutral-300);
    }

    .breadcrumbs .current {
      color: var(--neutral-900);
      font-weight: 500;
    }

    .product-section {
      padding: 24px 0 60px 0;
    }

    .product-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 60px;
      align-items: start;
    }

    /* Left Column: Image */
    .product-image-container {
      background-color: var(--neutral-50);
      border-radius: var(--radius-lg);
      border: 1px solid var(--neutral-100);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-md);
      aspect-ratio: 4 / 3;
      width: 100%;
    }

    .product-image-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-slow);
    }

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

    /* Right Column: Info */
    .product-info-container {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .product-category-badge {
      align-self: flex-start;
    }

    .product-title {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--neutral-900);
      letter-spacing: -0.5px;
    }

    .product-price-box {
      display: flex;
      align-items: baseline;
      gap: 12px;
      padding: 16px 0;
      border-top: 1px solid var(--neutral-100);
      border-bottom: 1px solid var(--neutral-100);
    }

    .product-price-label {
      font-size: 0.9rem;
      color: var(--neutral-600);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .product-price {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--primary);
      font-family: var(--font-heading);
    }

    .product-short-desc {
      font-size: 1.1rem;
      line-height: 1.6;
      color: var(--neutral-800);
    }

    .product-cta-group {
      display: flex;
      gap: 16px;
      margin-top: 12px;
    }

    .product-cta-group .btn {
      flex: 1;
    }

    /* USPs list on product page */
    .product-usps {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 12px;
      padding: 20px;
      background-color: var(--neutral-50);
      border-radius: var(--radius-md);
      border: 1px solid var(--neutral-100);
    }

    .product-usp-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--neutral-800);
    }

    .product-usp-item svg {
      color: var(--primary);
      flex-shrink: 0;
    }

    /* --------------------------------------------------
       6. SPECIFICATIONS & DETAILS
       -------------------------------------------------- */
    .details-section {
      padding: 60px 0;
      background-color: var(--neutral-50);
      border-top: 1px solid var(--neutral-100);
      border-bottom: 1px solid var(--neutral-100);
    }

    /* Accordion Styles */
    .accordion-container {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .accordion-item {
      background-color: var(--white);
      border-radius: 12px;
      border: 1px solid var(--neutral-200);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all var(--transition-normal);
    }

    .accordion-item.active {
      border-color: var(--primary);
      box-shadow: 0 4px 20px rgba(2, 132, 199, 0.05);
    }

    .accordion-header {
      padding: 20px 24px;
      background-color: var(--white);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
      transition: background-color var(--transition-fast);
    }

    .accordion-header:hover {
      background-color: rgba(2, 132, 199, 0.02);
    }

    .accordion-header h3 {
      font-size: 1.15rem;
      font-weight: 600;
      color: var(--neutral-900);
      margin: 0;
      display: flex;
      align-items: center;
      gap: 12px;
      position: relative;
      padding-bottom: 0;
    }

    .accordion-header h3::after {
      display: none;
    }

    .accordion-header h3 i {
      color: var(--primary);
      width: 20px;
      height: 20px;
    }

    .accordion-icon {
      color: var(--neutral-500);
      transition: transform var(--transition-normal);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
      color: var(--primary);
    }

    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition-normal) ease-out;
      background-color: var(--white);
    }

    .accordion-content-inner {
      padding: 0 24px 24px 24px;
      border-top: 1px solid var(--neutral-100);
      padding-top: 20px;
    }

    .details-text p {
      margin-bottom: 16px;
      font-size: 1.05rem;
      line-height: 1.7;
    }

    .specs-table {
      width: 100%;
      border-collapse: collapse;
      background-color: var(--white);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--neutral-200);
    }

    .specs-table tr {
      border-bottom: 1px solid var(--neutral-100);
    }

    .specs-table tr:last-child {
      border-bottom: none;
    }

    .specs-table td {
      padding: 16px 20px;
      font-size: 0.95rem;
    }

    .specs-table td.spec-label {
      font-weight: 600;
      color: var(--neutral-800);
      width: 40%;
      background-color: rgba(2, 132, 199, 0.02);
      border-right: 1px solid var(--neutral-100);
    }

    .specs-table td.spec-value {
      color: var(--neutral-600);
    }

    /* --------------------------------------------------
       7. RELATED PRODUCTS
       -------------------------------------------------- */
    .related-section {
      padding: 80px 0;
    }

    .related-title {
      text-align: center;
      margin-bottom: 48px;
      font-size: 2rem;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    /* Reuse bike-card styling */
    .bike-card {
      background-color: var(--white);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--neutral-100);
      transition: transform var(--transition-normal), box-shadow var(--transition-normal);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .bike-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-premium);
    }

    .bike-img-container {
      position: relative;
      height: 240px;
      background-color: #f1f5f9;
      overflow: hidden;
    }

    .bike-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-slow);
    }

    .bike-card:hover img {
      transform: scale(1.05);
    }

    .bike-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background-color: rgba(255, 255, 255, 0.95);
      color: var(--primary);
      font-weight: 600;
      font-size: 0.75rem;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .bike-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .bike-name {
      font-size: 1.25rem;
      margin-bottom: 8px;
      font-weight: 700;
    }

    .bike-description {
      font-size: 0.9rem;
      color: var(--neutral-600);
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .bike-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 16px;
      border-top: 1px solid var(--neutral-100);
    }

    .bike-price {
      font-family: var(--font-heading);
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--neutral-900);
      white-space: nowrap;
      flex-shrink: 0;
    }

    .bike-footer .btn {
      flex-shrink: 0;
      font-size: 0.8rem;
      padding: 6px 12px;
    }

    /* --------------------------------------------------
       8. FOOTER (copied from index.html)
       -------------------------------------------------- */
    footer {
      background-color: var(--neutral-900);
      color: var(--neutral-300);
      padding: 80px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 60px;
    }

    .footer-col {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }



    .footer-desc {
      font-size: 0.9rem;
      line-height: 1.6;
    }

    .footer-socials {
      display: flex;
      gap: 12px;
    }

    .social-link {
      background-color: rgba(255, 255, 255, 0.05);
      color: var(--white);
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition-normal);
      border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .social-link:hover {
      background-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
    }

    .footer-title {
      color: var(--white);
      font-size: 1.1rem;
      font-weight: 600;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 30px;
      height: 2px;
      background-color: var(--primary);
      border-radius: var(--radius-full);
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-link {
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-link:hover {
      color: var(--primary);
      transform: translateX(3px);
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-info-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.9rem;
    }

    .contact-info-item svg {
      color: var(--primary);
      margin-top: 3px;
      flex-shrink: 0;
    }

    .contact-info-item div {
      line-height: 1.5;
    }

    .opening-hours-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
    }

    .hour-row {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
      padding-bottom: 6px;
    }

    .hour-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      flex-wrap: wrap;
      gap: 20px;
    }

    .footer-nav {
      display: flex;
      gap: 24px;
    }

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

    /* --------------------------------------------------
       9. RESPONSIVE DESIGN
       -------------------------------------------------- */
    @media (max-width: 992px) {
      .nav-menu, .header-actions .btn {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .product-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .details-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
      }
      .related-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .product-title {
        font-size: 2rem;
      }
      .product-price {
        font-size: 1.85rem;
      }
      .product-cta-group {
        flex-direction: column;
        gap: 12px;
      }
    }

    @media (max-width: 576px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .related-grid {
        grid-template-columns: 1fr;
      }
      .product-usps {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .footer-nav {
        flex-direction: column;
        gap: 12px;
        align-items: center;
      }
    }
