
    :root {
      --navy: #0D1117;
      --navy2: #161B22;
      --navy3: #21262D;
      --violet: #7C3AED;
      --violet-light: #9B5CF6;
      --violet-glow: rgba(124, 58, 237, 0.25);
      --lavender: #EDE9FE;
      --lavender2: #DDD6FE;
      --white: #FFFFFF;
      --gray: #8B949E;
      --gray2: #6E7681;
      --border: rgba(255, 255, 255, 0.08);
      --card-bg: rgba(22, 27, 34, 0.85);
      --success: #10B981;
      --warning: #F59E0B;
      --danger: #EF4444;
      --font-display: 'Space Grotesk', sans-serif;
      --font-body: 'Inter', sans-serif;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--navy);
      color: var(--white);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* ===== PAGE SYSTEM ===== */
    .page {
      display: none;
    }

    .page.active {
      display: block;
    }

    /* ===== NAVBAR ===== */
    .navbar-pv {
      background: rgba(13, 17, 23, 0.92);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      padding: 0.85rem 0;
      position: sticky;
      top: 0;
      z-index: 1050;
    }

    .navbar-brand-pv {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 1.5rem;
      color: var(--white) !important;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .brand-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--violet), #EC4899);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .nav-link-pv {
      color: var(--gray) !important;
      font-weight: 500;
      font-size: 0.92rem;
      text-decoration: none;
      padding: 0.4rem 0.75rem !important;
      border-radius: 6px;
      transition: var(--transition);
      cursor: pointer;
    }

    .nav-link-pv:hover,
    .nav-link-pv.active-nav {
      color: var(--white) !important;
      background: rgba(124, 58, 237, 0.15);
    }

    .btn-nav-cart {
      background: var(--navy3);
      border: 1px solid var(--border);
      color: var(--white);
      border-radius: 10px;
      padding: 0.45rem 1rem;
      font-size: 0.88rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      position: relative;
    }

    .btn-nav-cart:hover {
      background: var(--navy2);
      border-color: var(--violet);
    }

    .cart-badge {
      position: absolute;
      top: -6px;
      right: -6px;
      background: var(--violet);
      color: white;
      font-size: 0.65rem;
      font-weight: 700;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .btn-primary-pv {
      background: linear-gradient(135deg, var(--violet), var(--violet-light));
      color: var(--white);
      border: none;
      border-radius: 10px;
      padding: 0.6rem 1.5rem;
      font-weight: 600;
      font-size: 0.92rem;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }

    .btn-primary-pv:hover {
      box-shadow: 0 0 24px var(--violet-glow);
      transform: translateY(-1px);
      color: var(--white);
    }

    .btn-outline-pv {
      background: transparent;
      color: var(--white);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 0.6rem 1.5rem;
      font-weight: 600;
      font-size: 0.92rem;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }

    .btn-outline-pv:hover {
      border-color: var(--violet);
      background: rgba(124, 58, 237, 0.1);
      color: var(--white);
    }

    /* ===== CARDS ===== */
    .card-pv {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      transition: var(--transition);
      position: relative;
      cursor: pointer;
    }

    .card-pv::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: 16px;
      padding: 1px;
      background: linear-gradient(135deg, transparent, transparent);
      mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      mask-composite: exclude;
      transition: var(--transition);
      z-index: 0;
    }

    .card-pv:hover {
      transform: translateY(-4px);
      border-color: transparent;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    }

    .card-pv:hover::before {
      background: linear-gradient(135deg, var(--violet), #EC4899, var(--violet-light));
    }

    .card-img-pv {
      width: 100%;
      aspect-ratio: 16/10;
      object-fit: cover;
    }

    .card-img-placeholder {
      width: 100%;
      aspect-ratio: 16/10;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 3rem;
    }

    .card-body-pv {
      padding: 1.25rem;
    }

    .badge-pv {
      display: inline-block;
      padding: 0.25rem 0.65rem;
      border-radius: 20px;
      font-size: 0.72rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      text-transform: uppercase;
    }

    .badge-violet {
      background: rgba(124, 58, 237, 0.2);
      color: #A78BFA;
    }

    .badge-pink {
      background: rgba(236, 72, 153, 0.2);
      color: #F472B6;
    }

    .badge-teal {
      background: rgba(16, 185, 129, 0.2);
      color: #34D399;
    }

    .badge-amber {
      background: rgba(245, 158, 11, 0.2);
      color: #FCD34D;
    }

    .price-tag {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1.35rem;
      color: var(--violet-light);
    }

    .price-old {
      font-size: 0.88rem;
      color: var(--gray);
      text-decoration: line-through;
    }

    .stars {
      color: var(--warning);
      font-size: 0.82rem;
    }

    /* ===== HERO ===== */
    .hero {
      min-height: 92vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      padding: 5rem 0;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124, 58, 237, 0.18) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 60%);
      z-index: 0;
    }

    .hero-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 60px 60px;
      z-index: 0;
    }

    .hero-content {
      position: relative;
      z-index: 1;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(124, 58, 237, 0.15);
      border: 1px solid rgba(124, 58, 237, 0.35);
      border-radius: 20px;
      padding: 0.35rem 1rem;
      font-size: 0.82rem;
      font-weight: 600;
      color: #A78BFA;
      margin-bottom: 1.5rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .hero-title {
      font-family: var(--font-display);
      font-size: clamp(2.5rem, 6vw, 4.5rem);
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin-bottom: 1.5rem;
    }

    .gradient-text {
      background: linear-gradient(135deg, #A78BFA, #EC4899, #60A5FA);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-sub {
      font-size: 1.15rem;
      color: var(--gray);
      max-width: 520px;
      margin-bottom: 2.5rem;
      line-height: 1.7;
    }

    .hero-stats {
      display: flex;
      gap: 2.5rem;
      margin-top: 3rem;
      padding-top: 2rem;
      border-top: 1px solid var(--border);
    }

    .stat-item .stat-num {
      font-family: var(--font-display);
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--white);
    }

    .stat-item .stat-label {
      font-size: 0.82rem;
      color: var(--gray);
      font-weight: 500;
    }

    /* Hero floating cards */
    .hero-visual {
      position: relative;
      height: 500px;
    }

    .floating-card {
      position: absolute;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.25rem;
      backdrop-filter: blur(12px);
      animation: float 6s ease-in-out infinite;
    }

    .floating-card:nth-child(2) {
      animation-delay: -2s;
    }

    .floating-card:nth-child(3) {
      animation-delay: -4s;
    }

    @keyframes float {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-12px);
      }
    }

    .fc-main {
      top: 40px;
      left: 20px;
      width: 280px;
      background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(22, 27, 34, 0.9));
      border-color: rgba(124, 58, 237, 0.35);
    }

    .fc-review {
      bottom: 80px;
      right: 20px;
      width: 220px;
    }

    .fc-badge {
      top: 200px;
      right: 40px;
      width: 170px;
      border-color: rgba(16, 185, 129, 0.35);
      background: rgba(16, 185, 129, 0.1);
    }

    /* ===== SECTIONS ===== */
    .section-eyebrow {
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--violet-light);
      margin-bottom: 0.75rem;
    }

    .section-title {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 4vw, 2.75rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
    }

    .section-sub {
      font-size: 1rem;
      color: var(--gray);
      max-width: 560px;
      line-height: 1.7;
    }

    .divider {
      height: 1px;
      background: var(--border);
      margin: 5rem 0;
    }

    /* ===== CATEGORY PILLS ===== */
    .cat-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--navy3);
      border: 1px solid var(--border);
      border-radius: 50px;
      padding: 0.6rem 1.25rem;
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--gray);
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
    }

    .cat-pill:hover,
    .cat-pill.active {
      background: rgba(124, 58, 237, 0.15);
      border-color: var(--violet);
      color: var(--white);
    }

    /* ===== FEATURES ===== */
    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 1rem;
    }

    .fi-violet {
      background: rgba(124, 58, 237, 0.2);
      color: #A78BFA;
    }

    .fi-pink {
      background: rgba(236, 72, 153, 0.2);
      color: #F472B6;
    }

    .fi-teal {
      background: rgba(16, 185, 129, 0.2);
      color: #34D399;
    }

    .fi-amber {
      background: rgba(245, 158, 11, 0.2);
      color: #FCD34D;
    }

    .fi-blue {
      background: rgba(96, 165, 250, 0.2);
      color: #93C5FD;
    }

    .fi-red {
      background: rgba(239, 68, 68, 0.2);
      color: #FCA5A5;
    }

    /* ===== TESTIMONIALS ===== */
    .testimonial-card {
      background: var(--navy2);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.75rem;
      height: 100%;
    }

    .testimonial-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    /* ===== PRODUCT PAGE ===== */
    .product-gallery-thumb {
      width: 72px;
      height: 72px;
      border-radius: 10px;
      border: 2px solid var(--border);
      cursor: pointer;
      overflow: hidden;
      transition: var(--transition);
    }

    .product-gallery-thumb:hover,
    .product-gallery-thumb.active-thumb {
      border-color: var(--violet);
    }

    .product-main-img {
      width: 100%;
      aspect-ratio: 4/3;
      border-radius: 16px;
      overflow: hidden;
      background: var(--navy2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 5rem;
      border: 1px solid var(--border);
    }

    .tab-pv {
      display: flex;
      gap: 0;
      border-bottom: 1px solid var(--border);
      margin-bottom: 2rem;
    }

    .tab-btn {
      background: transparent;
      border: none;
      color: var(--gray);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 0.75rem 1.25rem;
      cursor: pointer;
      border-bottom: 2px solid transparent;
      transition: var(--transition);
      font-family: var(--font-body);
    }

    .tab-btn:hover {
      color: var(--white);
    }

    .tab-btn.active {
      color: var(--violet-light);
      border-bottom-color: var(--violet);
    }

    .tab-content-pv {
      display: none;
    }

    .tab-content-pv.active {
      display: block;
    }

    /* ===== CART ===== */
    .cart-item {
      background: var(--navy2);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 1.25rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .cart-item-icon {
      width: 64px;
      height: 64px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.75rem;
      flex-shrink: 0;
    }

    .qty-btn {
      width: 30px;
      height: 30px;
      border-radius: 8px;
      border: 1px solid var(--border);
      background: var(--navy3);
      color: var(--white);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1rem;
      transition: var(--transition);
    }

    .qty-btn:hover {
      border-color: var(--violet);
      background: rgba(124, 58, 237, 0.15);
    }

    .order-summary-box {
      background: var(--navy2);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.5rem;
      position: sticky;
      top: 90px;
    }

    /* ===== CHECKOUT ===== */
    .checkout-step {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 2.5rem;
    }

    .step-circle {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.85rem;
      flex-shrink: 0;
    }

    .step-circle.done {
      background: var(--success);
      color: white;
    }

    .step-circle.active {
      background: var(--violet);
      color: white;
    }

    .step-circle.pending {
      background: var(--navy3);
      color: var(--gray);
      border: 1px solid var(--border);
    }

    .step-line {
      flex: 1;
      height: 2px;
      background: var(--border);
      position: relative;
    }

    .step-line.done {
      background: var(--success);
    }

    .step-line.active {
      background: linear-gradient(90deg, var(--success), var(--violet));
    }

    .form-pv {
      background: var(--navy2);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.75rem;
      margin-bottom: 1.5rem;
    }

    .form-label-pv {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--gray);
      margin-bottom: 0.4rem;
      display: block;
    }

    .form-control-pv {
      width: 100%;
      background: var(--navy3);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 0.65rem 1rem;
      color: var(--white);
      font-family: var(--font-body);
      font-size: 0.92rem;
      transition: var(--transition);
      outline: none;
    }

    .form-control-pv:focus {
      border-color: var(--violet);
      box-shadow: 0 0 0 3px var(--violet-glow);
    }

    .form-control-pv::placeholder {
      color: var(--gray2);
    }

    .form-row {
      display: grid;
      gap: 1rem;
    }

    .form-col-2 {
      grid-template-columns: 1fr 1fr;
    }

    .form-col-3 {
      grid-template-columns: 1fr 1fr 1fr;
    }

    .payment-card {
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1rem 1.25rem;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 0.75rem;
    }

    .payment-card:hover {
      border-color: var(--violet);
    }

    .payment-card.selected {
      border-color: var(--violet);
      background: rgba(124, 58, 237, 0.08);
    }

    .payment-radio {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      border: 2px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .payment-radio.checked {
      border-color: var(--violet);
    }

    .payment-radio.checked::after {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--violet);
    }

    /* ===== CONTACT / ABOUT ===== */
    .contact-card {
      background: var(--navy2);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 2rem;
      text-align: center;
      transition: var(--transition);
    }

    .contact-card:hover {
      border-color: var(--violet);
    }

    .team-card {
      background: var(--navy2);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      transition: var(--transition);
      text-align: center;
    }

    .team-card:hover {
      border-color: var(--violet);
      transform: translateY(-3px);
    }

    .team-avatar {
      width: 100%;
      height: 180px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 4rem;
    }

    /* ===== NEWSLETTER ===== */
    .newsletter-section {
      background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(236, 72, 153, 0.08));
      border: 1px solid rgba(124, 58, 237, 0.25);
      border-radius: 24px;
      padding: 3.5rem;
      text-align: center;
    }

    /* ===== FOOTER ===== */
    .footer {
      background: var(--navy2);
      border-top: 1px solid var(--border);
      padding: 4rem 0 2rem;
      margin-top: 5rem;
    }

    .footer-brand {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 1.35rem;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .footer-link {
      color: var(--gray);
      text-decoration: none;
      font-size: 0.88rem;
      display: block;
      margin-bottom: 0.6rem;
      transition: var(--transition);
      cursor: pointer;
    }

    .footer-link:hover {
      color: var(--white);
    }

    .footer-heading {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.92rem;
      margin-bottom: 1.25rem;
      color: var(--white);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .social-btn {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--navy3);
      border: 1px solid var(--border);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--gray);
      font-size: 1rem;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
    }

    .social-btn:hover {
      background: var(--violet);
      border-color: var(--violet);
      color: white;
    }

    /* ===== TRUST BAR ===== */
    .trust-bar {
      background: var(--navy2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 1.5rem 0;
    }

    .trust-item {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--gray);
    }

    .trust-item i {
      color: var(--violet-light);
      font-size: 1.1rem;
    }

    /* ===== MISC ===== */
    .section-space {
      padding: 5rem 0;
    }

    .section-space-sm {
      padding: 3rem 0;
    }

    .text-violet {
      color: var(--violet-light);
    }

    .text-gray {
      color: var(--gray);
    }

    .text-sm {
      font-size: 0.85rem;
    }

    .text-xs {
      font-size: 0.75rem;
    }

    .fw-700 {
      font-weight: 700;
    }

    .fw-600 {
      font-weight: 600;
    }

    .alert-pv {
      background: rgba(16, 185, 129, 0.12);
      border: 1px solid rgba(16, 185, 129, 0.3);
      border-radius: 12px;
      padding: 1rem 1.25rem;
      color: #34D399;
      font-size: 0.9rem;
    }

    .notice-pv {
      background: rgba(245, 158, 11, 0.1);
      border: 1px solid rgba(245, 158, 11, 0.25);
      border-radius: 12px;
      padding: 1rem 1.25rem;
      color: #FCD34D;
      font-size: 0.88rem;
    }

    /* Progress bar */
    .progress-pv {
      height: 6px;
      background: var(--navy3);
      border-radius: 10px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--violet), var(--violet-light));
      border-radius: 10px;
    }

    /* Hamburger menu */
    .navbar-toggler-pv {
      background: var(--navy3);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 0.4rem 0.6rem;
      color: var(--white);
      font-size: 1.25rem;
      cursor: pointer;
    }

    /* Toast notification */
    .toast-pv {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      background: var(--navy2);
      border: 1px solid var(--border);
      border-left: 3px solid var(--success);
      border-radius: 12px;
      padding: 1rem 1.5rem;
      z-index: 9999;
      font-size: 0.9rem;
      font-weight: 500;
      transform: translateX(120%);
      transition: transform 0.3s ease;
      max-width: 320px;
    }

    .toast-pv.show {
      transform: translateX(0);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 991px) {
      .hero {
        min-height: auto;
        padding: 4rem 0 3rem;
      }

      .hero-visual {
        display: none;
      }

      .hero-stats {
        gap: 1.5rem;
      }

      .form-col-2,
      .form-col-3 {
        grid-template-columns: 1fr;
      }

      .newsletter-section {
        padding: 2.5rem 1.5rem;
      }

      .cart-item {
        flex-wrap: wrap;
      }
    }

    @media (max-width: 575px) {
      .hero-stats {
        flex-wrap: wrap;
        gap: 1.25rem;
      }

      .cat-pill {
        font-size: 0.8rem;
        padding: 0.5rem 0.9rem;
      }

      .section-space {
        padding: 3.5rem 0;
      }

      .trust-bar .row>div:not(:nth-child(-n+2)) {
        display: none;
      }
    }

    /* Scrollbar */
    ::-webkit-scrollbar {
      width: 6px;
    }

    ::-webkit-scrollbar-track {
      background: var(--navy);
    }

    ::-webkit-scrollbar-thumb {
      background: var(--navy3);
      border-radius: 3px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: var(--violet);
    }

    /* Selection */
    ::selection {
      background: var(--violet-glow);
      color: var(--white);
    }
  