:root {
    --primary: #0f2027;
    --secondary: #203a43;
    --accent: #00FFFF;
    --highlight: #8A2BE2;
    --text: rgba(255,255,255,0.9);
    --card-bg: #1e1e1e;
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

  body {
    background: linear-gradient(135deg, var(--primary), var(--secondary), #2c5364);
    color: var(--text);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100%;
    padding: 80px 0;
  }

  .container {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    position: relative;
  }

  .design-notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    padding: 10px 15px;
    border-radius: 30px;
    font-size: 14px;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
  }

  /* Header Styles */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
  }

  .logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent), var(--highlight));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
  }

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

  .nav-link {
    color: var(--text);
    text-decoration: none;
    font-size: 16px;
    position: relative;
    transition: var(--transition);
  }

  .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 Section */
  .hero {
    height: 500px;
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: 80px;
    overflow: hidden;
    border-radius: 20px;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15,32,39,0.8), rgba(32,58,67,0.8));
    z-index: 1;
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 40px;
  }

  .hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--accent), var(--highlight));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
  }

  .hero p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
  }

  .hero-image {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 50%;
    object-fit: cover;
    opacity: 0.7;
  }

  /* Article Styles */
  article {
    background: rgba(30, 30, 30, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 60px;
    margin-bottom: 80px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
  }

  article h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--accent);
    position: relative;
    padding-bottom: 15px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--highlight));
    border-radius: 3px;
  }

  article h3 {
    font-size: 24px;
    margin: 40px 0 20px;
    color: var(--accent);
  }

  article p {
    margin-bottom: 25px;
    font-size: 17px;
    line-height: 1.7;
  }

  /* Code Block Styles */
  pre {
    background: rgba(20, 20, 20, 0.8);
    border-radius: 10px;
    padding: 20px;
    margin: 30px 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  }

  code {
    font-family: 'Courier New', monospace;
    font-size: 15px;
    color: #f8f8f2;
  }

  .language-css {
    display: block;
  }

  /* Card Styles */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
  }

  .card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
  }

  .card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(30, 144, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition);
    opacity: 0;
  }

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

  .card:hover::before {
    opacity: 1;
    animation: shine 1.5s;
  }

  @keyframes shine {
    0% { left: -50%; }
    100% { left: 150%; }
  }

  .card h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--accent);
  }

  /* Image Gallery */
  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 50px 0;
  }

  .gallery-item {
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    transition: var(--transition);
  }

  .gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
  }

  .gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
  }

  .gallery-item:hover img {
    transform: scale(1.1);
  }

  /* Footer */
  .footer {
    text-align: center;
    padding: 30px 0;
    font-size: 14px;
    opacity: 0.7;
  }

  /* Animations */
  .fade-in {
    opacity: 1;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Responsive */
  @media (max-width: 992px) {
    .hero {
      height: auto;
      padding: 100px 0;
    }
    
    .hero-content {
      max-width: 100%;
    }
    
    .hero-image {
      display: none;
    }
    
    article {
      padding: 40px;
    }
  }

  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }
    
    .hero h1 {
      font-size: 36px;
    }
    
    article {
      padding: 30px;
    }
    
    .card-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 576px) {
    .hero h1 {
      font-size: 28px;
    }
    
    article h2 {
      font-size: 28px;
    }
    
    article h3 {
      font-size: 22px;
    }
  }