/* === BASE STYLES === */:root {
      --primary: #FF3366;
      --secondary: #00D4FF;
      --accent: #FFD700;
      --dark: #0A0E27;
      --darker: #050814;
      --light: #F8F9FA;
      --gradient-primary: linear-gradient(135deg, #FF3366 0%, #FF6B35 100%);
      --gradient-secondary: linear-gradient(135deg, #00D4FF 0%, #0099CC 100%);
      --gradient-dark: linear-gradient(180deg, #0A0E27 0%, #1A1F3A 100%);
    }

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

    html, body {
      overflow-x: hidden;
      max-width: 100vw;
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      color: var(--light);
      background: var(--darker);
      line-height: 1.6;
    }

    .container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 20px;
    }

    h1, h2, h3, h4 {
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 1.5rem;
    }

    h1 {
      font-size: clamp(2.5rem, 6vw, 4.5rem);
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    h2 {
      font-size: clamp(2rem, 4vw, 3.5rem);
      color: var(--light);
    }

    h3 {
      font-size: clamp(1.5rem, 3vw, 2rem);
      color: var(--secondary);
    }

    p {
      font-size: 1.125rem;
      margin-bottom: 1rem;
      color: rgba(248, 249, 250, 0.85);
    }

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

    a:hover {
      color: var(--accent);
    }

    .btn {
      padding: 16px 40px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 1.125rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      border: none;
      cursor: pointer;
      display: inline-block;
      position: relative;
      overflow: hidden;
    }

    .btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: rgba(255, 255, 255, 0.2);
      transition: left 0.5s ease;
    }

    .btn:hover::before {
      left: 100%;
    }

    .btn-primary {
      background: var(--gradient-primary);
      color: white;
      box-shadow: 0 10px 40px rgba(255, 51, 102, 0.4);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 50px rgba(255, 51, 102, 0.6);
      color: white;
    }

    .cta-button {
      background: var(--gradient-primary);
      color: white;
      padding: 16px 40px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 1.125rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      display: inline-block;
      box-shadow: 0 10px 40px rgba(255, 51, 102, 0.4);
      position: relative;
      overflow: hidden;
    }

    .cta-button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: rgba(255, 255, 255, 0.2);
      transition: left 0.5s ease;
    }

    .cta-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 50px rgba(255, 51, 102, 0.6);
      color: white;
    }

    .cta-button:hover::before {
      left: 100%;
    }

    .card {
      background: var(--gradient-dark);
      border-radius: 20px;
      padding: 2rem;
      border: 1px solid rgba(0, 212, 255, 0.2);
      transition: all 0.4s ease;
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--gradient-secondary);
      transform: scaleX(0);
      transition: transform 0.4s ease;
    }

    .card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
      border-color: var(--secondary);
    }

    .card:hover::before {
      transform: scaleX(1);
    }

    .content-image {
      max-width: 100%;
      margin: 1.5rem auto;
      text-align: center;
    }

    .content-image img {
      max-width: 100%;
      height: auto;
      max-height: 400px;
      object-fit: contain;
      border-radius: 8px;
    }

    .content-image.portrait img {
      max-height: 350px;
      max-width: 300px;
    }

    .content-image.wide img {
      max-height: 300px;
      max-width: 100%;
    }

    .content-image figcaption {
      margin-top: 0.5rem;
      font-size: 0.875rem;
      opacity: 0.8;
    }

    .table-responsive {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      margin: 2rem 0;
    }

    /* === LAYOUT STYLES === */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 14, 39, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0, 212, 255, 0.2);
      padding: 1.5rem 0;
    }

    @media (max-width: 767px) {
      header {
        position: relative;
      }
    }

    header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
    }

    .logo {
      text-decoration: none;
      display: inline-block;
    }

    .logo-text {
      font-size: 1.75rem;
      font-weight: 800;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.5px;
      transition: all 0.3s ease;
      display: inline-block;
    }

    .logo:hover .logo-text {
      transform: scale(1.05);
      filter: brightness(1.1);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 10px;
    }

    .hamburger span {
      width: 30px;
      height: 3px;
      background: var(--secondary);
      border-radius: 3px;
      transition: all 0.3s ease;
    }

    .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
      transform: rotate(-45deg) translate(8px, -8px);
    }

    nav {
      display: flex;
      align-items: center;
      gap: 2rem;
    }

    .nav-menu {
      display: flex;
      list-style: none;
      gap: 2rem;
      margin: 0;
      padding: 0;
    }

    .nav-menu a {
      color: var(--light);
      font-weight: 600;
      font-size: 1rem;
      position: relative;
    }

    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--gradient-primary);
      transition: width 0.3s ease;
    }

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

    header .cta-button {
      padding: 12px 32px;
      font-size: 1rem;
      white-space: nowrap;
    }

    footer {
      background: var(--dark);
      border-top: 1px solid rgba(0, 212, 255, 0.2);
      padding: 4rem 0 2rem;
      margin-top: 6rem;
    }

    .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 3rem;
      margin-bottom: 3rem;
    }

    .footer-section h3 {
      font-size: 1.5rem;
      margin-bottom: 1.5rem;
      color: var(--secondary);
    }

    .footer-section ul {
      list-style: none;
    }

    .footer-section ul li {
      margin-bottom: 0.75rem;
    }

    .footer-bottom {
      text-align: center;
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

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

      .logo {
        order: 1;
        width: 100%;
        margin-bottom: 1rem;
        text-align: center;
      }

      nav {
        order: 2;
        display: flex;
        align-items: center;
        width: auto;
      }

      .hamburger {
        display: flex;
      }

      header .cta-button {
        order: 3;
        margin-left: auto;
        padding: 10px 24px;
        font-size: 0.9rem;
      }

      .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 1rem 0;
        gap: 1rem;
      }

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

@media (max-width: 767px) {
      section {
        padding: 4rem 0;
      }

      .hero-section {
        min-height: auto;
        padding: 5rem 0;
      }

      h1 {
        font-size: 2.5rem;
      }

      h2 {
        font-size: 2rem;
      }

      .cards-grid-2 .container > div {
        grid-template-columns: 1fr;
      }

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

      .tab-button {
        width: 100%;
      }

      .feature-icons .feature-grid {
        grid-template-columns: 1fr;
      }

      .table-of-contents ul {
        grid-template-columns: 1fr;
      }

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

      .comparison-table {
        font-size: 0.875rem;
      }

      .comparison-table th,
      .comparison-table td {
        padding: 1rem 0.75rem;
      }
    }