:root {
    --primary: #1A237E;
    --secondary: #FF5722;
    --gradient-start: #00008B;
    --gradient-end: #6A0DAD;
    --text-light: #f8f9fa;
    --text-muted: #adb5bd;
    --bg-dark: #121212;
    --bg-light: #1e1e1e;
    --accent: #00b4d8;
    --success: #38b000;
    --warning: #ffaa00;
    --danger: #d00000;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

  body {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--text-light);
    font-family: 'Montserrat', 'Roboto', sans-serif;
    line-height: 1.6;
    min-height: 100%;
    overflow-x: hidden;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
  }

  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--text-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0, 180, 216, 0.3);
  }

  .nav {
    display: flex;
    gap: 2rem;
  }

  .nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
  }

  .nav-link:hover {
    color: var(--accent);
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
  }

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

  .hero {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 180, 216, 0.1) 0%, transparent 70%);
    z-index: -1;
  }

  .hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--text-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--text-muted);
  }

  .btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.4);
  }

  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(26, 35, 126, 0.6);
    background: linear-gradient(45deg, var(--secondary), var(--primary));
  }

  .section {
    background: rgba(30, 30, 30, 0.7);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
    position: relative;
    display: inline-block;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50%;
    height: 3px;
    background: linear-gradient(to right, var(--accent), transparent);
  }

  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
  }

  .card {
    background: rgba(40, 40, 40, 0.6);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 180, 216, 0.3);
  }

  .card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: calc(var(--border-radius) - 5px);
    margin-bottom: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  }

  .card-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
  }

  .card-text {
    color: var(--text-muted);
    margin-bottom: 1rem;
  }

  .code-block {
    background: rgba(20, 20, 20, 0.8);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
  }

  pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #f8f8f2;
  }

  code {
    font-family: 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9rem;
  }

  .news-ticker {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    overflow: hidden;
    white-space: nowrap;
  }

  .news-item {
    display: inline-block;
    padding-right: 2rem;
    color: var(--text-light);
    position: relative;
  }

  .news-item::after {
    content: '•';
    position: absolute;
    right: 0.5rem;
    color: var(--accent);
  }

  .news-item:last-child::after {
    display: none;
  }

  .footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 0.9rem;
  }

  .reference {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
  }

  @media (max-width: 768px) {
    .container {
      padding: 1rem;
    }

    .nav {
      display: none;
    }

    .hero h1 {
      font-size: 2rem;
    }

    .section {
      padding: 1.5rem;
    }

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

  /* Animations */
  @keyframes float {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }

  .floating {
    animation: float 3s ease-in-out infinite;
  }

  @keyframes pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.5;
    }
  }

  .pulse {
    animation: pulse 2s ease-in-out infinite;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }

  ::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #0096c7;
  }