:root {
      --primary: #FF2D55;
      --primary-dark: #E01B43;
      --secondary: #00C7BE;
      --accent: #FFD60A;
      --dark: #0A0E27;
      --dark-alt: #151B3B;
      --light: #F8F9FA;
      --text-primary: #FFFFFF;
      --text-secondary: #B8BFD9;
      --shadow-sm: 0 4px 20px rgba(255, 45, 85, 0.15);
      --shadow-md: 0 8px 40px rgba(255, 45, 85, 0.25);
      --shadow-lg: 0 16px 60px rgba(255, 45, 85, 0.35);
      --gradient-primary: linear-gradient(135deg, #FF2D55 0%, #FF6B9D 100%);
      --gradient-secondary: linear-gradient(135deg, #00C7BE 0%, #00E5D8 100%);
      --gradient-dark: linear-gradient(180deg, #0A0E27 0%, #151B3B 100%);
      --gradient-overlay: linear-gradient(135deg, rgba(255, 45, 85, 0.9) 0%, rgba(0, 199, 190, 0.9) 100%);
    }

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

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      line-height: 1.7;
      color: var(--text-secondary);
      background: var(--dark);
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      color: var(--text-primary);
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 1.5rem;
    }

    h1 {
      font-size: clamp(2.5rem, 5vw, 4.5rem);
      margin-top: 2rem;
    }

    h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
    h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }

    @media (max-width: 768px) {
      h1 {
        margin-top: 5rem;
      }
    }

    p {
      margin-bottom: 1.25rem;
      font-size: 1.0625rem;
      color: var(--text-secondary);
    }

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

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      max-width: 1320px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    .btn-primary {
      background: var(--gradient-primary);
      color: var(--text-primary);
      padding: 1rem 2.5rem;
      border-radius: 50px;
      font-weight: 700;
      font-size: 1.125rem;
      border: none;
      cursor: pointer;
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: var(--shadow-md);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      position: relative;
      overflow: hidden;
      display: inline-block;
    }

    .btn-primary::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 0;
      height: 0;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.3);
      transform: translate(-50%, -50%);
      transition: width 0.6s, height 0.6s;
    }

    .btn-primary:hover::before {
      width: 300px;
      height: 300px;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }

    .card {
      background: var(--dark-alt);
      border-radius: 24px;
      padding: 2.5rem;
      box-shadow: var(--shadow-sm);
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid rgba(255, 45, 85, 0.1);
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient-primary);
      transform: scaleX(0);
      transition: transform 0.4s ease;
    }

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

    .card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(255, 45, 85, 0.3);
    }

    .card img {
      border-radius: 16px;
      margin-bottom: 1.5rem;
      width: 100%;
      object-fit: cover;
    }

    section {
      padding: 6rem 0;
      position: relative;
    }

    section.container {
      margin-top: 100px;
    }

    @media screen and (max-width: 768px) {
      table {
        display: block !important;
        overflow: scroll !important;
      }
    }

    .accordion-body {
      padding: 0 !important;
    }

    img[data-format="horizontal"],
    img[src*="horizontal"],
    img[data-format="vertical"],
    img[src*="vertical"],
    img[data-format="wide"],
    img[src*="wide"] {
      margin: 10px auto;
      display: block;
      max-width: 500px;
      width: 100%;
    }

    table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      background: var(--dark-alt);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    thead {
      background: var(--gradient-primary);
    }

    th {
      padding: 1.25rem;
      text-align: left;
      font-weight: 700;
      color: var(--text-primary);
      font-size: 1rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    td {
      padding: 1.25rem;
      border-bottom: 1px solid rgba(255, 45, 85, 0.1);
      color: var(--text-secondary);
    }

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

    tbody tr {
      transition: background 0.3s ease;
    }

    tbody tr:hover {
      background: rgba(255, 45, 85, 0.05);
    }

    td strong {
      color: var(--text-primary);
      font-weight: 600;
    }

    ul, ol {
      padding-left: 1.5rem;
      margin-bottom: 1.5rem;
    }

    li {
      margin-bottom: 0.75rem;
      color: var(--text-secondary);
    }

    .highlight-box {
      background: linear-gradient(135deg, rgba(255, 45, 85, 0.1) 0%, rgba(0, 199, 190, 0.1) 100%);
      border-left: 4px solid var(--primary);
      padding: 2rem;
      border-radius: 12px;
      margin: 2rem 0;
    }

    .text-block {
      margin: 2rem 0;
    }

    /* === LAYOUT STYLES === */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(10, 14, 39, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255, 45, 85, 0.1);
      transition: all 0.3s ease;
    }

    .header.scrolled {
      background: rgba(10, 14, 39, 0.98);
      box-shadow: var(--shadow-md);
    }

    .header-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.25rem 0;
      gap: 2rem;
    }

    .logo a {
      font-size: 1.75rem;
      font-weight: 800;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .logo img {
      max-height: 50px;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
      z-index: 1001;
    }

    .hamburger span {
      width: 28px;
      height: 3px;
      background: var(--primary);
      border-radius: 2px;
      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(7px, -7px);
    }

    .main-nav ul {
      display: flex;
      list-style: none;
      gap: 2.5rem;
      margin: 0;
      padding: 0;
      padding-left: 0;
      margin-bottom: 0;
      flex: none;
    }

    .main-nav a {
      color: var(--text-secondary);
      font-weight: 600;
      font-size: 1rem;
      transition: all 0.3s ease;
      position: relative;
    }

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

    .main-nav a:hover {
      color: var(--text-primary);
    }

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

    .footer {
      background: var(--dark-alt);
      border-top: 1px solid rgba(255, 45, 85, 0.1);
      padding: 3rem 0;
    }

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

    .footer-links ul {
      display: flex;
      list-style: none;
      gap: 2rem;
      flex-wrap: wrap;
    }

    .footer-links a {
      color: var(--text-secondary);
      font-size: 0.9375rem;
      transition: color 0.3s ease;
    }

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

    .footer-info {
      text-align: right;
    }

    .footer-info p {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-bottom: 0.5rem;
    }

@media (max-width: 768px) {
      .nav {
        z-index: 1000;
      }

      .header-content {
        flex-wrap: wrap;
      }

      .hamburger {
        display: flex;
        order: 3;
      }

      .logo {
        order: 1;
      }

      .logo img {
        max-height: 35px;
      }

      .cta-button {
        order: 2;
        width: 100%;
        text-align: center;
        margin-top: 1rem;
      }

      .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        padding: 6rem 2rem 2rem;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
        z-index: 999;
        overflow-y: auto;
      }

      .main-nav.active {
        right: 0;
      }

      .main-nav ul {
        flex-direction: column;
        gap: 1.5rem;
      }

      .main-nav a {
        font-size: 1.25rem;
        display: block;
        padding: 0.75rem 0;
      }

      h1 { font-size: 2.5rem; }
      h2 { font-size: 2rem; }
      h3 { font-size: 1.5rem; }

      section {
        padding: 4rem 0;
      }

      .hero-section {
        padding-top: 8rem;
        min-height: auto;
      }

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

      .footer-content {
        flex-direction: column;
        text-align: center;
      }

      .footer-info {
        text-align: center;
      }

      .footer-links ul {
        justify-content: center;
      }

      .comparison-table {
        margin: 0 -1.25rem;
      }

      .timeline::before {
        display: none;
      }

      .timeline-item::before {
        display: none;
      }

      .timeline-item {
        padding-left: 2.5rem;
      }

      .contribution-list {
        grid-template-columns: 1fr;
      }
    }

@media (max-width: 480px) {
      .btn-primary {
        padding: 0.875rem 2rem;
        font-size: 1rem;
      }

      .card {
        padding: 1.5rem;
      }

      .accordion-header {
        padding: 1.25rem 1.5rem;
      }

      .accordion-body {
        padding: 0 1.5rem;
      }

      .accordion-body.active {
        padding: 0 1.5rem 1.5rem;
      }

      th, td {
        padding: 0.875rem;
        font-size: 0.875rem;
      }
    }