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

    body {
      font-family: 'Space Grotesk', sans-serif;
      background: #0b0e1a;
      color: #eef2ff;
      overflow-x: hidden;
    }

    .animated-bg {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 20% 30%, #0f172a, #030712);
      z-index: -2;
    }

    .animated-bg::before {
      content: '';
      position: absolute;
      width: 200%;
      height: 200%;
      top: -50%;
      left: -50%;
      background: radial-gradient(circle, rgba(56, 189, 248, 0.08) 0%, transparent 60%);
      animation: slowDrift 24s infinite alternate;
      z-index: -1;
    }

    @keyframes slowDrift {
      0% { transform: translate(0%, 0%) rotate(0deg); opacity: 0.4; }
      100% { transform: translate(8%, 10%) rotate(5deg); opacity: 1; }
    }

    .glass-header {
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(56, 189, 248, 0.2);
      padding: 0.8rem 0;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .logo {
      font-size: 1.8rem;
      font-weight: 700;
      background: linear-gradient(135deg, #ffffff, #7dd3fc, #38bdf8);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .nav-links a {
      color: #cbd5e6;
      font-weight: 500;
      margin-left: 1.5rem;
      text-decoration: none;
      cursor: pointer;
    }
    .nav-links a:hover, .nav-links a.active { color: #7dd3fc; }

    .cart-icon { position: relative; cursor: pointer; margin-left: 1.8rem; }
    .cart-icon i { font-size: 1.5rem; color: #cbd5e6; }
    .cart-count {
      position: absolute;
      top: -8px;
      right: -12px;
      background: #f97316;
      color: white;
      font-size: 0.65rem;
      border-radius: 30px;
      padding: 2px 6px;
    }

    .mobile-menu-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(5, 10, 20, 0.96);
      backdrop-filter: blur(20px);
      z-index: 1100;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 2rem;
      transform: translateX(100%);
      transition: transform 0.3s ease;
    }
    .mobile-menu-overlay.open { transform: translateX(0); }
    .close-menu { position: absolute; top: 30px; right: 25px; font-size: 2rem; color: white; cursor: pointer; }

    .hero-title {
      font-size: clamp(2.5rem, 8vw, 5rem);
      font-weight: 700;
      background: linear-gradient(145deg, #ffffff, #BAE6FD, #7DD3FC);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .cta-btn {
      background: linear-gradient(95deg, #38bdf8, #0284c7);
      border: none;
      padding: 0.9rem 2rem;
      border-radius: 2rem;
      font-weight: 600;
      color: white;
    }
    .cta-btn-outline {
      background: transparent;
      border: 1px solid #38bdf8;
      padding: 0.9rem 2rem;
      border-radius: 2rem;
      font-weight: 600;
      color: #38bdf8;
    }
    .section-title {
      text-align: center;
      font-size: 2.2rem;
      font-weight: 700;
      margin-bottom: 3rem;
    }
    .feature-card, .product-card, .testimonial-card, .blog-card {
      background: rgba(17, 24, 39, 0.6);
      backdrop-filter: blur(12px);
      border-radius: 2rem;
      padding: 1.8rem;
      border: 1px solid rgba(56, 189, 248, 0.15);
      transition: 0.3s;
      height: 100%;
    }
    .feature-card:hover, .product-card:hover, .blog-card:hover { transform: translateY(-5px); border-color: #38bdf880; }
    .price-big { font-size: 1.8rem; font-weight: 800; color: #b9fbc0; }
    .stat-number { font-size: 2rem; font-weight: 700; color: #7dd3fc; }
    
    /* market ticker */
    .market-ticker {
      background: rgba(0, 0, 0, 0.4);
      padding: 0.8rem 0;
      overflow: hidden;
      white-space: nowrap;
      border-top: 1px solid rgba(56,189,248,0.2);
      border-bottom: 1px solid rgba(56,189,248,0.2);
    }
    .ticker-content {
      display: inline-block;
      animation: tickerScroll 25s linear infinite;
    }
    .ticker-item { display: inline-block; margin-right: 2rem; }
    @keyframes tickerScroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* FAQ Accordion */
    .accordion-item {
      background: rgba(17, 24, 39, 0.6);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(56, 189, 248, 0.2);
      margin-bottom: 1rem;
      border-radius: 1rem;
    }
    .accordion-button {
      background: transparent;
      color: white;
      font-weight: 600;
    }
    .accordion-button:not(.collapsed) {
      background: rgba(56, 189, 248, 0.1);
      color: #7dd3fc;
    }
    .accordion-body { color: #cbd5e6; }

    /* cart sidebar */
    .cart-sidebar {
      position: fixed;
      top: 0;
      right: -450px;
      width: 100%;
      max-width: 420px;
      height: 100vh;
      background: rgba(10, 16, 28, 0.98);
      backdrop-filter: blur(24px);
      border-left: 1px solid rgba(56, 189, 248, 0.3);
      z-index: 1200;
      transition: right 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .cart-sidebar.open { right: 0; }
    .cart-items { flex: 1; overflow-y: auto; padding: 1rem; }
    .cart-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(255,255,255,0.05);
      padding: 0.8rem;
      border-radius: 1rem;
      margin-bottom: 0.8rem;
    }
    .remove-item { background: none; border: none; color: #f87171; font-size: 1.2rem; cursor: pointer; }
    .checkout-btn {
      background: linear-gradient(95deg, #38bdf8, #0284c7);
      border: none;
      width: 100%;
      padding: 0.9rem;
      border-radius: 2rem;
      font-weight: bold;
      color: white;
    }

    .mobile-bottom-nav {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(10, 14, 23, 0.95);
      backdrop-filter: blur(20px);
      display: flex;
      justify-content: space-around;
      padding: 0.7rem 1rem 0.9rem;
      border-top: 1px solid rgba(56, 189, 248, 0.2);
      z-index: 1030;
      display: none;
    }
    .mobile-nav-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-decoration: none;
      color: #8ca3c7;
      font-size: 0.7rem;
    }
    .mobile-nav-item i { font-size: 1.4rem; }
    .mobile-nav-item.active { color: #38bdf8; }

    footer { margin-top: 4rem; text-align: center; padding: 2rem 1rem; border-top: 1px solid rgba(56, 189, 248, 0.1); font-size: 0.8rem; }

    @media (max-width: 768px) {
      .desktop-nav { display: none; }
      .mobile-bottom-nav { display: flex; }
      body { padding-bottom: 70px; }
      .hero-buttons { display: flex; flex-direction: column; gap: 1rem; }
      .cta-btn-outline { margin-left: 0; }
      .tab-btn { padding: 0.5rem 1rem; font-size: 0.8rem; }
      .product-grid { gap: 1.2rem; }
    }
    .mobile-menu-toggle { font-size: 1.8rem; color: #cbd5e6; cursor: pointer; }
      @media (min-width: 769px) {
      .mobile-bottom-nav { display: none; }
      .mobile-menu-toggle { display: none; }
    }
    .referral-code {
      background: linear-gradient(135deg, #1e293b, #0f172a);
      border-radius: 1rem;
      padding: 0.5rem 1rem;
      font-family: monospace;
      letter-spacing: 2px;
    }

    /* ================================================================ */

    /* hero */
    .hero-section {
      text-align: center;
      padding: 2rem 1rem 1.5rem;
    }
    .badge-new {
      display: inline-block;
      background: rgba(56, 189, 248, 0.12);
      border: 1px solid rgba(56, 189, 248, 0.3);
      border-radius: 100px;
      padding: 0.3rem 1rem;
      font-size: 0.75rem;
      margin-bottom: 1rem;
    }
    .main-title {
      font-size: clamp(2rem, 7vw, 3.8rem);
      font-weight: 700;
      background: linear-gradient(145deg, #F0F9FF, #BAE6FD, #7DD3FC);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .subhead {
      color: #94a3b8;
      font-size: 1rem;
      max-width: 500px;
      margin: 0 auto;
    }

    /* tabs */
    .tab-futuristic {
      background: rgba(30, 41, 59, 0.5);
      backdrop-filter: blur(12px);
      border-radius: 80px;
      padding: 6px;
      display: inline-flex;
      width: auto;
      margin: 0 auto 2rem;
      border: 1px solid rgba(56, 189, 248, 0.2);
    }
    .tab-btn {
      background: transparent;
      border: none;
      padding: 0.7rem 1.8rem;
      font-weight: 600;
      font-size: 0.9rem;
      border-radius: 60px;
      transition: all 0.2s;
      color: #cbd5e1;
      font-family: inherit;
    }
    .tab-btn i { margin-right: 8px; }
    .tab-btn.active {
      background: linear-gradient(95deg, #38bdf8, #0284c7);
      color: white;
      box-shadow: 0 6px 14px rgba(56, 189, 248, 0.25);
    }

    /* product grid */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 1.8rem;
      margin-top: 1rem;
    }
    .product-card {
      background: rgba(17, 24, 39, 0.75);
      backdrop-filter: blur(12px);
      border-radius: 2rem;
      border: 1px solid rgba(56, 189, 248, 0.15);
      transition: all 0.3s;
      padding: 1.5rem;
      position: relative;
    }
    .product-card:hover {
      transform: translateY(-6px);
      border-color: #38bdf880;
      box-shadow: 0 20px 35px -12px rgba(0,0,0,0.5);
    }
    .card-icon {
      width: 64px;
      height: 64px;
      background: linear-gradient(145deg, #1e293b, #0f172a);
      border-radius: 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      color: #38bdf8;
      margin-bottom: 1.2rem;
    }
    .product-name {
      font-size: 1.6rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .product-tag {
      font-size: 0.7rem;
      background: rgba(56, 189, 248, 0.15);
      display: inline-block;
      padding: 0.2rem 0.8rem;
      border-radius: 20px;
      margin-bottom: 1rem;
    }
    .price-big {
      font-size: 2rem;
      font-weight: 800;
      color: #b9fbc0;
    }
    .price-unit { font-size: 0.8rem; font-weight: 400; color: #94a3b8; }
    .meta-info {
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem;
      margin: 1rem 0 1rem;
    }
    .meta-chip {
      background: rgba(255,255,255,0.05);
      border-radius: 40px;
      padding: 0.3rem 0.8rem;
      font-size: 0.7rem;
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .btn-buy {
      background: linear-gradient(105deg, #0f2b3d, #0c4a6e);
      border: none;
      width: 100%;
      padding: 0.8rem;
      border-radius: 2rem;
      font-weight: 600;
      color: white;
      transition: 0.2s;
      font-family: inherit;
      border: 1px solid rgba(56,189,248,0.3);
    }
    .btn-buy:hover {
      background: linear-gradient(105deg, #1e3a5f, #0e5b8a);
      transform: scale(0.98);
    }
    .offer-badge {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: #f97316;
      font-size: 0.7rem;
      font-weight: bold;
      padding: 0.2rem 0.8rem;
      border-radius: 30px;
    }

    .tab-content-pane {
      display: none;
      animation: fadeIn 0.3s;
    }
    .tab-content-pane.active-pane { display: block; }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(8px); }
      to { opacity: 1; transform: translateY(0); }
    }