:root {
    --primary: #0d47a1;
    --secondary: #8e24aa;
    --accent: #ff9800;
    --highlight: #4caf50;
    --text: #ffffff;
    --dark: #121212;
    --light: #f5f5f7;
  }

  @font-face {
    font-family: 'Roboto';
    src: local('Roboto'), url(https://fonts.gstatic.com/s/roboto/v30/KFOmCnqEu92Fr1Mu4mxK.woff2) format('woff2');
    font-display: swap;
  }

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

  html {
    scroll-behavior: smooth;
    font-size: 16px;
  }

  body {
    font-family: 'Roboto', sans-serif;
    color: var(--text);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    line-height: 1.6;
    overflow-x: hidden;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  .hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 40px 0;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 70%);
    z-index: -1;
  }

  .hero-content {
    max-width: 800px;
    padding: 40px;
    background: rgba(13, 71, 161, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
  }

  h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--accent), var(--highlight));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  }

  h2 {
    font-size: 2.5rem;
    margin: 40px 0 20px;
    color: var(--accent);
    position: relative;
    display: inline-block;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--accent), transparent);
  }

  h3 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
    color: var(--highlight);
  }

  p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
  }

  .notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    z-index: 1000;
    font-size: 0.9rem;
  }

  .card {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
  }

  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
  }

  .image-container {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
  }

  .image-container:hover {
    transform: scale(1.03);
  }

  .image-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
  }

  .image-container:hover img {
    transform: scale(1.1);
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
  }

  code {
    color: var(--highlight);
    font-family: 'Courier New', monospace;
  }

  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 71, 161, 0.9);
    padding: 15px 0;
    display: flex;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
  }

  .navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
  }

  .nav-links {
    display: flex;
    gap: 30px;
  }

  .nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
  }

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

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

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

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

  .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.05) 0%, transparent 70%);
    z-index: -1;
  }

  .parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 60px 0;
    overflow: hidden;
  }

  .parallax::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 1;
  }

  .parallax-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px;
    max-width: 800px;
  }

  .btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255,152,0,0.3);
  }

  .btn:hover {
    background: #e65100;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255,152,0,0.4);
  }

  .footer {
    background: rgba(0,0,0,0.3);
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
  }

  @media (max-width: 768px) {
    html {
      font-size: 14px;
    }

    h1 {
      font-size: 2.5rem;
    }

    h2 {
      font-size: 2rem;
    }

    h3 {
      font-size: 1.5rem;
    }

    .hero {
      min-height: 60vh;
    }

    .hero-content {
      padding: 20px;
    }

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

    .nav-links {
      gap: 15px;
    }
  }

  /* Animations */
  @keyframes float {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-20px);
    }
  }

  .floating {
    animation: float 6s ease-in-out infinite;
  }

  @keyframes pulse {
    0%, 100% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
  }

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

  .fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
  }

  @keyframes fadeIn {
    to {
      opacity: 1;
    }
  }

  .delay-1 {
    animation-delay: 0.3s;
  }

  .delay-2 {
    animation-delay: 0.6s;
  }

  .delay-3 {
    animation-delay: 0.9s;
  }