:root {
    --primary: #1E90FF;
    --secondary: #FFA500;
    --dark: #333333;
    --light: #F5F5F5;
    --accent: #00CED1;
    --text: #2C3E50;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', 'Open Sans', sans-serif;
  }

  body {
    background: var(--light);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
  }

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

  /* Header Styles */
  header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: var(--transition);
  }

  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
  }

  .logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
  }

  .logo span {
    color: var(--secondary);
  }

  .nav-links {
    display: flex;
    list-style: none;
  }

  .nav-links li {
    margin-left: 30px;
  }

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

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

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

  .hamburger {
    display: none;
    cursor: pointer;
  }

  /* Hero Section */
  .hero {
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(30, 144, 255, 0.1) 0%, rgba(255, 165, 0, 0.05) 100%);
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
  }

  .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text);
    opacity: 0.9;
  }

  .hero-image {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 60%;
    max-width: 800px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
  }

  .hero-image img:hover {
    transform: scale(1.02);
  }

  /* Article Section */
  article {
    padding: 100px 0;
    background: white;
    position: relative;
  }

  article:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, rgba(245, 245, 245, 1), rgba(245, 245, 245, 0));
    z-index: 1;
  }

  article .container {
    position: relative;
    z-index: 2;
  }

  article h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
    color: var(--primary);
  }

  article h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
  }

  article h3 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: var(--dark);
  }

  article h4 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: var(--dark);
  }

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

  article code {
    background: rgba(30, 144, 255, 0.1);
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    color: var(--primary);
  }

  pre {
    background: var(--dark);
    color: white;
    padding: 20px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 30px 0;
    box-shadow: var(--shadow);
    position: relative;
  }

  pre:before {
    content: 'CSS';
    position: absolute;
    top: 10px;
    right: 20px;
    color: var(--secondary);
    font-weight: bold;
  }

  /* Image Grid */
  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 50px 0;
  }

  .image-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
  }

  .image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  }

  .image-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
  }

  .image-card:hover img {
    transform: scale(1.05);
  }

  .image-card .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 20px;
    color: white;
    transform: translateY(100%);
    transition: var(--transition);
  }

  .image-card:hover .overlay {
    transform: translateY(0);
  }

  /* Footer */
  footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 30px;
    position: relative;
  }

  footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
    z-index: 1;
  }

  .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
  }

  .footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--secondary);
  }

  .footer-column ul {
    list-style: none;
  }

  .footer-column li {
    margin-bottom: 10px;
  }

  .footer-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
  }

  .footer-column a:hover {
    color: white;
    padding-left: 5px;
  }

  .copyright {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
  }

  /* Responsive Styles */
  @media (max-width: 992px) {
    .hero h1 {
      font-size: 2.8rem;
    }

    .hero-image {
      width: 50%;
      opacity: 0.7;
    }
  }

  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }

    .hamburger {
      display: block;
    }

    .hero {
      text-align: center;
      padding-top: 100px;
    }

    .hero-content {
      max-width: 100%;
    }

    .hero-image {
      position: relative;
      right: auto;
      top: auto;
      transform: none;
      width: 100%;
      margin-top: 50px;
      opacity: 1;
    }

    article h2 {
      font-size: 2rem;
    }

    article h3 {
      font-size: 1.5rem;
    }
  }

  @media (max-width: 576px) {
    .hero h1 {
      font-size: 2.2rem;
    }

    .hero p {
      font-size: 1rem;
    }

    article {
      padding: 60px 0;
    }
  }

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

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

  /* Utility Classes */
  .btn {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border: none;
    cursor: pointer;
  }

  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  }

  .section-title {
    text-align: center;
    margin-bottom: 70px;
  }

  .section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
  }

  .section-title h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
  }

  .section-title p {
    max-width: 700px;
    margin: 0 auto;
    color: rgba(0, 0, 0, 0.7);
  }

  /* Notification */
  .notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
  }

  .notification.show {
    transform: translateY(0);
    opacity: 1;
  }

  /* Scroll Indicator */
  .scroll-indicator {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(30, 144, 255, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 100;
  }

  .scroll-indicator:hover {
    background: rgba(30, 144, 255, 0.4);
  }

  .scroll-indicator i {
    color: var(--primary);
    font-size: 24px;
    animation: bounce 2s infinite;
  }

  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
  }