/* === BASE STYLES === */:root {
      --color-1: #0a0a1a;
      --color-2: #0d1b3e;
      --color-3: #0099cc;
      --color-4: #00d4ff;
      --color-5: #ffffff;
      --color-6: #b0c4de;
      --color-7: #00a8e8;
      --color-8: #003f6b;
      --color-9: #0a2744;
      --color-accent: #00d4ff;
      --space-1: 0.5rem;
      --space-2: 1rem;
      --space-3: 1.5rem;
      --space-4: 2rem;
      --space-5: 3rem;
      --space-6: 4rem;
      --space-7: 6rem;
      --radius-1: 6px;
      --radius-2: 12px;
      --radius-3: 20px;
      --shadow-1: 0 2px 12px rgba(0,212,255,0.12);
      --shadow-2: 0 8px 32px rgba(0,212,255,0.2);
      --shadow-3: 0 16px 48px rgba(0,0,0,0.6);
      --font-display: 'Segoe UI', system-ui, sans-serif;
    }

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

    html, body {
      overflow-x: hidden;
      max-width: 100vw;
      background: var(--color-1);
      color: var(--color-5);
      font-family: var(--font-display);
      line-height: 1.65;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--space-3);
    }

    /* Utilities */
    .flex { display: flex; }
    .items-center { align-items: center; }
    .justify-between { justify-content: space-between; }
    .gap-1 { gap: var(--space-1); }
    .gap-2 { gap: var(--space-2); }
    .gap-3 { gap: var(--space-3); }
    .gap-4 { gap: var(--space-4); }
    .text-accent { color: var(--color-accent); }
    .text-muted-light { color: var(--color-6); }
    .w-full { width: 100%; }

    /* CTA Button */
    .cta-button {
      display: inline-block;
      padding: 0.85rem 2rem;
      border-radius: var(--radius-3);
      font-weight: 700;
      font-size: 1rem;
      text-decoration: none;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s ease;
      border: none;
      letter-spacing: 0.03em;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-3) 0%, var(--color-4) 100%);
      color: var(--color-1);
      box-shadow: 0 0 20px rgba(0,212,255,0.45), 0 4px 16px rgba(0,0,0,0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px) scale(1.03);
      box-shadow: 0 0 36px rgba(0,212,255,0.7), 0 8px 24px rgba(0,0,0,0.4);
      color: var(--color-1);
    }

    .btn-primary:active { transform: translateY(0) scale(0.99); }

    /* Cards */
    .card {
      background: linear-gradient(145deg, var(--color-9) 0%, var(--color-2) 100%);
      border: 1px solid rgba(0,212,255,0.15);
      border-radius: var(--radius-2);
      padding: var(--space-3);
      box-shadow: var(--shadow-1);
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-2);
      border-color: rgba(0,212,255,0.4);
    }

    .info-card {
      background: linear-gradient(145deg, var(--color-9) 0%, var(--color-2) 100%);
      border: 1px solid rgba(0,212,255,0.15);
      border-radius: var(--radius-2);
      padding: var(--space-3);
      box-shadow: var(--shadow-1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .info-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-2);
    }

    .highlight-box {
      background: linear-gradient(145deg, rgba(0,153,204,0.12) 0%, rgba(0,212,255,0.06) 100%);
      border: 1px solid rgba(0,212,255,0.25);
      border-radius: var(--radius-2);
      padding: var(--space-3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .highlight-box:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-2);
    }

    .cards-grid {
      display: grid;
      gap: var(--space-3);
    }

    .cards-grid-4 { grid-template-columns: 1fr; }
    .cards-grid-3 { grid-template-columns: 1fr; }
    .cards-grid-2 { grid-template-columns: 1fr; }

    @media (min-width: 640px) {
      .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-2 { grid-template-columns: repeat(2, 1fr); }
    }

    @media (min-width: 992px) {
      .cards-grid-4 { grid-template-columns: repeat(4, 1fr); }
      .cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
    }

    /* Card headings and text */
    .card h3, .info-card h3, .highlight-box h3 {
      color: var(--color-4);
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: var(--space-2);
    }

    .card p, .info-card p, .highlight-box p {
      color: var(--color-6);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* Section headings */
    h2 {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--color-5);
      margin-bottom: var(--space-3);
      line-height: 1.25;
    }

    h3 {
      font-size: 1.2rem;
      font-weight: 700;
      line-height: 1.3;
    }

    /* Section spacing */
    section { padding: var(--space-6) 0; }

    /* Alternating section backgrounds */
    section:nth-child(even) { background: var(--color-9); }
    section:nth-child(odd) { background: var(--color-1); }

    /* Paragraph styles */
    section p {
      color: var(--color-6);
      margin-bottom: var(--space-2);
      font-size: 1rem;
    }

    section p a {
      color: var(--color-4);
      text-decoration: underline;
      transition: color 0.2s;
    }

    section p a:hover { color: var(--color-5); }

    /* Content images */
    .content-image {
      margin: var(--space-4) 0;
      border-radius: var(--radius-2);
      overflow: hidden;
    }

    .content-image.wide img {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-2);
      border: 1px solid rgba(0,212,255,0.12);
    }

    /* Table */
    .table-responsive {
      overflow-x: auto;
      border-radius: var(--radius-2);
      border: 1px solid rgba(0,212,255,0.18);
    }

    .feature-table {
      width: 100%;
      border-collapse: collapse;
      background: var(--color-9);
    }

    .feature-table thead th {
      background: linear-gradient(90deg, var(--color-8), var(--color-2));
      color: var(--color-4);
      padding: 1rem 1.25rem;
      font-weight: 700;
      font-size: 0.95rem;
      text-align: left;
      letter-spacing: 0.04em;
    }

    .feature-table tbody td {
      padding: 0.9rem 1.25rem;
      color: var(--color-6);
      border-bottom: 1px solid rgba(0,212,255,0.08);
      font-size: 0.95rem;
    }

    .feature-table tbody tr:last-child td { border-bottom: none; }

    .feature-table tbody tr:hover td {
      background: rgba(0,212,255,0.05);
      color: var(--color-5);
    }

    /* Steps list */
    .steps-list {
      list-style: none;
      padding: 0;
      margin: var(--space-4) 0;
      counter-reset: steps;
    }

    .timeline-item {
      display: flex;
      align-items: flex-start;
      gap: var(--space-3);
      padding: var(--space-3);
      background: linear-gradient(145deg, var(--color-9), var(--color-2));
      border: 1px solid rgba(0,212,255,0.15);
      border-radius: var(--radius-2);
      margin-bottom: var(--space-2);
      counter-increment: steps;
      position: relative;
    }

    .timeline-item::before {
      content: counter(steps);
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--color-3), var(--color-4));
      color: var(--color-1);
      font-weight: 900;
      font-size: 1.1rem;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .timeline-content h3 {
      color: var(--color-4);
      font-size: 1.05rem;
      margin-bottom: 0.4rem;
    }

    .timeline-content p {
      color: var(--color-6);
      margin: 0;
      font-size: 0.95rem;
    }

    /* Accordion */
    .accordion-list { list-style: none; padding: 0; }

    .accordion-item {
      border: 1px solid rgba(0,212,255,0.15);
      border-radius: var(--radius-2);
      margin-bottom: var(--space-2);
      overflow: hidden;
      background: var(--color-9);
    }

    .accordion-header { margin: 0; }

    .accordion-header button {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.1rem var(--space-3);
      background: transparent;
      border: none;
      color: var(--color-5);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      text-align: left;
      transition: color 0.2s, background 0.2s;
      gap: var(--space-2);
    }

    .accordion-header button:hover { background: rgba(0,212,255,0.07); color: var(--color-4); }

    .accordion-header button::after {
      content: '+';
      font-size: 1.4rem;
      color: var(--color-4);
      flex-shrink: 0;
      transition: transform 0.3s ease;
      line-height: 1;
    }

    .accordion-header button[aria-expanded="true"]::after {
      content: '−';
      transform: rotate(0deg);
    }

    .accordion-body {
      display: none;
      padding: 0 var(--space-3) var(--space-3);
    }

    .accordion-body.open { display: block; }

    .accordion-body p {
      color: var(--color-6);
      margin: 0;
      font-size: 0.95rem;
    }

    .accordion-body p a {
      color: var(--color-4);
      text-decoration: underline;
    }

    /* Trust badge row */
    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2);
      align-items: center;
      justify-content: center;
      margin-top: var(--space-3);
    }

    .trust-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.45rem 1rem;
      background: rgba(0,212,255,0.1);
      border: 1px solid rgba(0,212,255,0.25);
      border-radius: var(--radius-3);
      color: var(--color-4);
      font-size: 0.82rem;
      font-weight: 600;
      white-space: nowrap;
    }

    .trust-badge svg {
      width: 14px;
      height: 14px;
      fill: var(--color-4);
      flex-shrink: 0;
    }

    /* Section label */
    .section-label {
      display: inline-block;
      padding: 0.3rem 1rem;
      background: rgba(0,212,255,0.12);
      border: 1px solid rgba(0,212,255,0.3);
      border-radius: var(--radius-3);
      color: var(--color-4);
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: var(--space-2);
    }

    /* Divider */
    .divider-glow {
      width: 60px;
      height: 3px;
      background: linear-gradient(90deg, var(--color-3), var(--color-4));
      border-radius: 2px;
      margin: var(--space-2) 0 var(--space-3);
    }

    /* === LAYOUT STYLES === */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10,10,26,0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0,212,255,0.15);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 0.85rem;
      padding-bottom: 0.85rem;
      gap: var(--space-2);
    }

    .logo a {
      text-decoration: none;
    }

    .logo-text {
      font-size: 1.35rem;
      font-weight: 900;
      background: linear-gradient(135deg, var(--color-4), var(--color-5));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.01em;
    }

    .hamburger {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      background: transparent;
      border: 1px solid rgba(0,212,255,0.3);
      border-radius: var(--radius-1);
      cursor: pointer;
      padding: 0;
      transition: border-color 0.2s;
      flex-shrink: 0;
    }

    .hamburger:hover { border-color: var(--color-4); }

    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--color-4);
      border-radius: 2px;
      transition: all 0.3s ease;
    }

    .hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    header nav {
      display: none;
    }

    header nav.open {
      display: block;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: rgba(10,10,26,0.98);
      border-bottom: 1px solid rgba(0,212,255,0.15);
      padding: var(--space-2) 0;
      backdrop-filter: blur(12px);
    }

    header nav .nav-list {
      list-style: none;
      padding: 0 var(--space-3);
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    header nav .nav-list li a {
      display: block;
      padding: 0.75rem 0.5rem;
      color: var(--color-6);
      text-decoration: none;
      font-weight: 500;
      font-size: 1rem;
      border-bottom: 1px solid rgba(0,212,255,0.07);
      transition: color 0.2s;
    }

    header nav .nav-list li a:hover { color: var(--color-4); }

    .header-cta {
      display: none;
    }

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

      header nav {
        display: block;
        position: static;
        background: transparent;
        border: none;
        padding: 0;
        backdrop-filter: none;
      }

      header nav .nav-list {
        flex-direction: row;
        gap: var(--space-3);
        padding: 0;
      }

      header nav .nav-list li a {
        padding: 0.4rem 0;
        border-bottom: none;
        font-size: 0.95rem;
        position: relative;
      }

      header nav .nav-list li a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--color-4);
        transition: width 0.3s;
      }

      header nav .nav-list li a:hover::after { width: 100%; }

      .header-cta { display: inline-block; }

      .header-inner .cta-button {
        font-size: 0.9rem;
        padding: 0.65rem 1.5rem;
      }
    }

    @media (max-width: 767px) {
      .header-inner {
        flex-wrap: wrap;
      }

      .header-inner .cta-button {
        display: inline-block;
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
      }

      .site-header { position: sticky; }
    }

    /* Footer */
    .site-footer {
      background: rgba(5,5,15,0.98);
      border-top: 1px solid rgba(0,212,255,0.12);
      padding: var(--space-5) 0 var(--space-4);
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: var(--space-3);
      align-items: flex-start;
    }

    .footer-logo .logo-text {
      font-size: 1.2rem;
      font-weight: 900;
      background: linear-gradient(135deg, var(--color-4), var(--color-5));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .footer-nav ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2) var(--space-3);
    }

    .footer-nav ul li a {
      color: var(--color-6);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }

    .footer-nav ul li a:hover { color: var(--color-4); }

    .footer-disclaimer p {
      color: rgba(176,196,222,0.55);
      font-size: 0.82rem;
      line-height: 1.6;
      margin: 0;
    }

    @media (min-width: 768px) {
      .footer-inner { align-items: center; text-align: center; }
      .footer-nav ul { justify-content: center; }
    }

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

      header nav {
        display: block;
        position: static;
        background: transparent;
        border: none;
        padding: 0;
        backdrop-filter: none;
      }

      header nav .nav-list {
        flex-direction: row;
        gap: var(--space-3);
        padding: 0;
      }

      header nav .nav-list li a {
        padding: 0.4rem 0;
        border-bottom: none;
        font-size: 0.95rem;
        position: relative;
      }

      header nav .nav-list li a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--color-4);
        transition: width 0.3s;
      }

      header nav .nav-list li a:hover::after { width: 100%; }

      .header-cta { display: inline-block; }

      .header-inner .cta-button {
        font-size: 0.9rem;
        padding: 0.65rem 1.5rem;
      }
    }

@media (max-width: 767px) {
      .header-inner {
        flex-wrap: wrap;
      }

      .header-inner .cta-button {
        display: inline-block;
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
      }

      .site-header { position: sticky; }
    }

@media (min-width: 768px) {
      .footer-inner { align-items: center; text-align: center; }
      .footer-nav ul { justify-content: center; }
    }