/* === BASE STYLES === */:root {
      --primary-electric: #00F5FF;
      --primary-deep: #0A4D68;
      --accent-coral: #FF6B6B;
      --accent-gold: #FFD93D;
      --dark-navy: #0B1437;
      --dark-slate: #1A2742;
      --light-cyan: #E0F7FF;
      --pure-white: #FFFFFF;
      --text-muted: #94A3B8;
      --gradient-hero: linear-gradient(135deg, #0A4D68 0%, #0B1437 100%);
      --gradient-card: linear-gradient(145deg, rgba(26, 39, 66, 0.9), rgba(11, 20, 55, 0.95));
      --shadow-sm: 0 2px 8px rgba(0, 245, 255, 0.1);
      --shadow-md: 0 8px 32px rgba(0, 245, 255, 0.15);
      --shadow-lg: 0 20px 60px rgba(0, 245, 255, 0.25);
      --shadow-neon: 0 0 20px rgba(0, 245, 255, 0.4), 0 0 40px rgba(0, 245, 255, 0.2);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      background: var(--dark-navy);
      color: var(--pure-white);
      line-height: 1.7;
      overflow-x: hidden;
    }

    .container {
      max-width: 1320px;
      margin: 0 auto;
      padding: 0 20px;
    }

    h1 {
      font-size: clamp(36px, 6vw, 72px);
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin-bottom: 24px;
      background: linear-gradient(135deg, var(--primary-electric) 0%, var(--accent-gold) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    h2 {
      font-size: clamp(32px, 5vw, 56px);
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 32px;
      color: var(--pure-white);
      position: relative;
      padding-bottom: 16px;
    }

    h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 80px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary-electric), var(--accent-coral));
      border-radius: 2px;
    }

    h3 {
      font-size: clamp(24px, 4vw, 36px);
      font-weight: 600;
      margin-bottom: 20px;
      color: var(--primary-electric);
    }

    h4 {
      font-size: clamp(18px, 3vw, 24px);
      font-weight: 600;
      margin-bottom: 12px;
      color: var(--pure-white);
    }

    p {
      font-size: 17px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    a {
      color: var(--primary-electric);
      text-decoration: none;
      transition: all 0.3s ease;
    }

    a:hover {
      color: var(--accent-coral);
      text-decoration: underline;
    }

    section {
      padding: 100px 0;
      position: relative;
    }

    .btn-primary {
      display: inline-block;
      padding: 18px 48px;
      font-size: 18px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--dark-navy);
      background: linear-gradient(135deg, var(--primary-electric) 0%, var(--accent-gold) 100%);
      border: none;
      border-radius: 50px;
      cursor: pointer;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      box-shadow: 0 8px 24px rgba(0, 245, 255, 0.3);
      position: relative;
      overflow: hidden;
      text-decoration: none;
    }

    .btn-primary::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-coral) 100%);
      transition: left 0.5s ease;
      z-index: -1;
    }

    .btn-primary:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: var(--shadow-neon);
      color: var(--dark-navy);
      text-decoration: none;
    }

    .btn-primary:hover::before {
      left: 0;
    }

    .card {
      background: var(--gradient-card);
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(0, 245, 255, 0.1);
      transition: all 0.4s ease;
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: '';
      position: absolute;
      top: -2px;
      left: -2px;
      right: -2px;
      bottom: -2px;
      background: linear-gradient(135deg, #0A4D68, #0B1437, #1A2742);
      border-radius: 20px;
      opacity: 0;
      transition: opacity 0.4s ease;
      z-index: -1;
    }

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

    .card:hover::before {
      opacity: 1;
    }

    /* === LAYOUT STYLES === */
    header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(11, 20, 55, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0, 245, 255, 0.1);
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
      transition: all 0.3s ease;
    }

    .header-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 0;
      position: relative;
    }

    .logo {
      z-index: 1001;
    }

    .logo-text {
      font-size: 28px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary-electric) 0%, var(--accent-gold) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.5px;
      text-transform: uppercase;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 48px;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 6px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      z-index: 1001;
    }

    .hamburger span {
      width: 28px;
      height: 3px;
      background: var(--primary-electric);
      border-radius: 2px;
      transition: all 0.3s ease;
    }

    .hamburger[aria-expanded="true"] span:nth-child(1) {
      transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .hamburger[aria-expanded="true"] span:nth-child(3) {
      transform: rotate(-45deg) translate(8px, -8px);
    }

    .nav-list {
      display: flex;
      list-style: none;
      gap: 36px;
      margin: 0;
    }

    .nav-list a {
      font-size: 16px;
      font-weight: 600;
      color: var(--pure-white);
      text-decoration: none;
      transition: all 0.3s ease;
      position: relative;
    }

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

    .nav-list a:hover {
      color: var(--primary-electric);
      text-decoration: none;
    }

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

    .cta-button {
      display: inline-block;
      padding: 14px 32px;
      font-size: 16px;
      font-weight: 700;
      color: var(--dark-navy);
      background: linear-gradient(135deg, var(--primary-electric) 0%, var(--accent-gold) 100%);
      border-radius: 50px;
      text-decoration: none;
      transition: all 0.3s ease;
      box-shadow: 0 4px 16px rgba(0, 245, 255, 0.3);
    }

    .cta-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(0, 245, 255, 0.4);
      color: var(--dark-navy);
      text-decoration: none;
    }

    footer {
      background: var(--dark-slate);
      border-top: 1px solid rgba(0, 245, 255, 0.1);
      padding: 60px 0 30px;
    }

    .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 48px;
      margin-bottom: 48px;
    }

    .footer-section h3,
    .footer-section h4 {
      margin-bottom: 20px;
      color: var(--primary-electric);
    }

    .footer-section p {
      font-size: 15px;
      color: var(--text-muted);
    }

    .footer-nav ul {
      list-style: none;
      padding: 0;
    }

    .footer-nav li {
      margin-bottom: 12px;
    }

    .footer-nav a {
      font-size: 15px;
      color: var(--text-muted);
      transition: color 0.3s ease;
    }

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

    .footer-bottom {
      text-align: center;
      padding-top: 32px;
      border-top: 1px solid rgba(0, 245, 255, 0.1);
    }

    .footer-bottom p {
      font-size: 14px;
      color: var(--text-muted);
      margin: 0;
    }

    @media (max-width: 767px) {
      header {
        padding: 0;
      }

      .header-content {
        flex-wrap: wrap;
        padding: 16px 0 0;
      }

      .logo {
        order: 1;
      }

      .hamburger {
        display: flex;
        order: 2;
      }

      .main-nav {
        order: 3;
        width: 100%;
        margin-top: 16px;
        padding-bottom: 16px;
      }

      .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        background: rgba(26, 39, 66, 0.98);
        padding: 20px;
        border-radius: 12px;
        margin-top: 12px;
      }

      .nav-list.active {
        display: flex;
      }

      .nav-list li {
        width: 100%;
        text-align: center;
        padding: 12px 0;
        border-bottom: 1px solid rgba(0, 245, 255, 0.1);
      }

      .nav-list li:last-child {
        border-bottom: none;
      }

      .cta-button {
        width: 100%;
        text-align: center;
        order: 4;
        margin-top: 16px;
        margin-bottom: 16px;
      }

      .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

@media (max-width: 767px) {
      header {
        padding: 0;
      }

      .header-content {
        flex-wrap: wrap;
        padding: 16px 0 0;
      }

      .logo {
        order: 1;
      }

      .hamburger {
        display: flex;
        order: 2;
      }

      .main-nav {
        order: 3;
        width: 100%;
        margin-top: 16px;
        padding-bottom: 16px;
      }

      .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        background: rgba(26, 39, 66, 0.98);
        padding: 20px;
        border-radius: 12px;
        margin-top: 12px;
      }

      .nav-list.active {
        display: flex;
      }

      .nav-list li {
        width: 100%;
        text-align: center;
        padding: 12px 0;
        border-bottom: 1px solid rgba(0, 245, 255, 0.1);
      }

      .nav-list li:last-child {
        border-bottom: none;
      }

      .cta-button {
        width: 100%;
        text-align: center;
        order: 4;
        margin-top: 16px;
        margin-bottom: 16px;
      }

      .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

@media (max-width: 767px) {
      html, body {
        overflow-x: hidden;
        width: 100%;
      }

      section, .container, .hero-section, .card, img, video, iframe, table {
        max-width: 100%;
        overflow-x: hidden;
      }

      section {
        padding: 60px 0;
      }

      section.container {
        padding-top: 14rem !important;
      }

      .hero-section {
        padding: 260px 0 80px;
      }

      .hero-section p {
        font-size: 17px;
      }

      .btn-primary {
        width: 100%;
        padding: 16px 32px;
        font-size: 16px;
      }

      .cards-grid-2,
      .cards-grid-3,
      .cards-grid-4 {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .highlight-box {
        padding: 32px 24px;
      }

      .tabs-nav {
        flex-direction: column;
      }

      .tab-button {
        width: 100%;
        text-align: center;
      }

      .timeline-container {
        padding-left: 40px;
      }

      .timeline-marker {
        width: 32px;
        height: 32px;
        left: -36px;
        font-size: 14px;
      }

      .timeline-content {
        padding: 24px;
      }

      .feature-table {
        font-size: 14px;
      }

      .feature-table th,
      .feature-table td {
        padding: 16px 12px;
      }

      .accordion-header {
        font-size: 18px;
        padding: 24px 56px 24px 24px;
      }

      .accordion-icon {
        right: 24px;
      }

      .accordion-body.active {
        padding: 0 24px 24px;
      }

      .cta-section {
        padding: 80px 0;
      }
    }