:root {
    --primary-gradient: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    --secondary-gradient: linear-gradient(45deg, #2575fc, #6a11cb);
    --accent-color: #ff6b6b;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --light-bg: #f8f9fa;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }

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

  body {
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: #fff;
    overflow-x: hidden;
  }

  .design-notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 10px 15px;
    border-radius: 30px;
    font-size: 14px;
    z-index: 1000;
    backdrop-filter: blur(5px);
  }

  .hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
    padding: 0 5%;
  }

  .hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(30deg);
    animation: float 15s infinite linear;
  }

  @keyframes float {
    0% { transform: rotate(30deg) translateX(0); }
    100% { transform: rotate(30deg) translateX(-50%); }
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
  }

  .hero-text {
    max-width: 600px;
    color: white;
  }

  .hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 5px 15px rgba(0,0,0,0.2);
  }

  .hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
  }

  .hero-images {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .hero-image {
    width: 150px;
    height: 150px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    transition: var(--transition);
  }

  .hero-image:hover {
    transform: translateY(-10px) scale(1.05);
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  }

  .nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

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

  .nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
  }

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

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

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 5%;
  }

  .section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
  }

  .section-title h2 {
    font-size: 2.5rem;
    display: inline-block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
  }

  article {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: var(--card-shadow);
    margin-bottom: 80px;
  }

  article h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #2c3e50;
    position: relative;
    padding-bottom: 15px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-gradient);
  }

  article h3 {
    font-size: 1.5rem;
    margin: 40px 0 20px;
    color: #34495e;
  }

  article p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 1.8;
  }

  article em {
    font-style: italic;
    color: var(--accent-color);
  }

  article span {
    font-weight: 600;
  }

  pre {
    background: #2d3748;
    border-radius: 10px;
    padding: 20px;
    margin: 30px 0;
    overflow: hidden;
    position: relative;
  }

  pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: #1a202c;
    border-radius: 10px 10px 0 0;
  }

  pre::after {
    content: '•••';
    position: absolute;
    top: 5px;
    left: 15px;
    color: #718096;
    font-size: 1.5rem;
    letter-spacing: 2px;
  }

  code {
    font-family: 'Fira Code', monospace;
    color: #cbd5e0;
    font-size: 0.9rem;
    display: block;
    white-space: pre-wrap;
    line-height: 1.6;
  }

  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
  }

  .image-card {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
    position: relative;
  }

  .image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
  }

  .image-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
  }

  .image-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    opacity: 0;
    transition: var(--transition);
  }

  .image-card:hover::after {
    opacity: 1;
  }

  .footer {
    background: #1a202c;
    color: white;
    padding: 60px 5%;
    text-align: center;
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
  }

  .footer-link {
    color: #a0aec0;
    text-decoration: none;
    transition: var(--transition);
  }

  .footer-link:hover {
    color: white;
  }

  .footer-copyright {
    color: #718096;
    font-size: 0.9rem;
  }

  @media (max-width: 992px) {
    .hero-text h1 {
      font-size: 2.8rem;
    }
    
    .hero-images {
      display: none;
    }
    
    article {
      padding: 40px;
    }
  }

  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }
    
    .hero-text h1 {
      font-size: 2.2rem;
    }
    
    .section-title h2 {
      font-size: 2rem;
    }
    
    article {
      padding: 30px 20px;
    }
    
    .image-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 576px) {
    .hero-text h1 {
      font-size: 1.8rem;
    }
    
    .hero-text p {
      font-size: 1rem;
    }
    
    .section-title h2 {
      font-size: 1.6rem;
    }
    
    article h2 {
      font-size: 1.5rem;
    }
    
    article h3 {
      font-size: 1.3rem;
    }
  }