/* Reset CSS */
  *, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  /* Import Fonts */
  @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Roboto:wght@400;700&display=swap');

  /* Root Variables */
  :root {
    --primary-color: #0A7EF2;
    --secondary-color: #1E1E1E;
    --accent-color: #FF6F61;
    --background-color: #f9faff;
    --text-color: #1E1E1E;
    --secondary-text-color: #dfe3e8;
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    --border-radius: 8px;
    --transition-speed: 0.3s;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  /* Body Styles */
  body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-primary);
    line-height: 1.6;
    padding-top: 60px;
    overflow-x: hidden;
  }

  /* Navigation Bar */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
  }

  .navbar .logo {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
  }

  .navbar ul {
    list-style: none;
    display: flex;
    gap: 20px;
  }

  .navbar ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed);
  }

  .navbar ul li a:hover {
    color: var(--accent-color);
  }

  /* Container */
  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
  }

  /* Section Styles */
  section {
    padding: 60px 0;
    background: linear-gradient(135deg, #ffffff 25%, #f1f3f6 75%);
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
  }

  section:nth-child(even) {
    background: linear-gradient(135deg, #f1f3f6 25%, #ffffff 75%);
  }

  section::before {
    content: "";
    position: absolute;
    top: 0;
    left: -50px;
    width: 100px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.1;
    transform: skewX(-20deg);
    z-index: 0;
  }

  section > div {
    position: relative;
    z-index: 1;
  }

  /* Headings */
  h1, h2, h3, h4 {
    font-family: var(--font-secondary);
    color: var(--secondary-color);
    margin-bottom: 20px;
    transition: font-weight var(--transition-speed);
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  h4 {
    font-size: 1.5rem;
  }

  h1:hover, h2:hover, h3:hover, h4:hover {
    font-weight: 700;
  }

  /* Paragraphs */
  p {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-color);
  }

  /* Code Blocks */
  pre {
    background: #f4f5f7;
    padding: 15px;
    border-radius: var(--border-radius);
    overflow-x: auto;
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
  }

  code {
    font-family: 'Courier New', Courier, monospace;
    color: #c7254e;
    background-color: #f4f5f7;
  }

  /* Lists */
  ul {
    list-style-type: disc;
    margin-left: 20px;
    margin-bottom: 20px;
  }

  li {
    margin-bottom: 10px;
    font-size: 1rem;
    color: var(--text-color);
  }

  /* Images */
  img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    margin-bottom: 20px;
  }

  img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
  }

  /* Buttons */
  .button {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    text-decoration: none;
    font-size: 1rem;
  }

  .button:hover {
    background-color: darken(var(--accent-color), 10%);
    transform: translateY(-2px);
  }

  /* Decorative Text Prompt */
  .design-reference {
    text-align: center;
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin: 40px 0;
    font-family: var(--font-secondary);
    position: relative;
  }

  .design-reference::after {
    content: "";
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    display: block;
    margin: 10px auto 0;
    border-radius: 2px;
  }

  /* Footer */
  footer {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 20px 0;
  }

  /* Responsive Design */
  @media (max-width: 1200px) {
    .container {
      width: 95%;
    }
  }

  @media (max-width: 992px) {
    .navbar ul {
      display: none;
    }

    .navbar .menu-toggle {
      display: block;
      cursor: pointer;
      color: white;
      font-size: 1.5rem;
    }

    .navbar.responsive ul {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 60px;
      left: 0;
      width: 100%;
      background-color: var(--primary-color);
      padding: 20px 0;
    }

    .navbar.responsive ul li {
      margin: 10px 0;
      text-align: center;
    }
  }

  @media (max-width: 768px) {
    section {
      padding: 40px 20px;
    }

    h1 {
      font-size: 2rem;
    }

    h2 {
      font-size: 1.75rem;
    }

    h3 {
      font-size: 1.5rem;
    }

    h4 {
      font-size: 1.25rem;
    }

    p, li {
      font-size: 0.9rem;
    }
  }

  @media (max-width: 480px) {
    .navbar {
      padding: 10px 15px;
    }

    h1 {
      font-size: 1.75rem;
    }

    h2 {
      font-size: 1.5rem;
    }

    h3 {
      font-size: 1.25rem;
    }

    h4 {
      font-size: 1rem;
    }

    .design-reference {
      font-size: 1rem;
    }
  }

  /* Smooth Scroll */
  html {
    scroll-behavior: smooth;
  }

  /* Animation for Active Section */
  .active-section {
    animation: fadeIn 1s ease-in-out;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }