/* CarPal Data Policy CSS
 * Following brand identity with vibrant yellow (#FFD700), 
 * deep black (#000000), charcoal gray (#2D2D2D), and white (#FFFFFF)
 */

/* Base Reset and Variables */
:root {
    --primary-yellow: #FFD700;
    --primary-black: #000000;
    --secondary-gray: #2D2D2D;
    --white: #FFFFFF;
    --light-gray: #f5f5f5;
    --medium-gray: #a0a0a0;
    --transition-speed: 0.3s;
    --content-width: 900px;
    --content-padding: 2rem;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--secondary-gray);
    background-color: var(--white);
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
  }
  
  body.dark-mode {
    background-color: var(--secondary-gray);
    color: var(--white);
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--primary-black);
  }
  
  body.dark-mode h1,
  body.dark-mode h2,
  body.dark-mode h3,
  body.dark-mode h4,
  body.dark-mode h5,
  body.dark-mode h6 {
    color: var(--white);
  }
  
  p {
    margin-bottom: 1rem;
  }
  
  a {
    text-decoration: none;
    color: var(--secondary-gray);
    transition: color var(--transition-speed);
  }
  
  a:hover {
    color: var(--primary-yellow);
  }
  
  body.dark-mode a {
    color: var(--light-gray);
  }
  
  body.dark-mode a:hover {
    color: var(--primary-yellow);
  }
  
  ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
  }
  
  hr {
    border: none;
    height: 1px;
    background-color: var(--medium-gray);
    margin: 2rem 0;
  }
  
  body.dark-mode hr {
    background-color: var(--light-gray);
    opacity: 0.2;
  }
  
  /* Header */
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem var(--content-padding);
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-speed);
  }
  
  body.dark-mode header {
    background-color: var(--primary-black);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  }
  
  .logo img {
    height: 50px;
    width: auto;
  }
  
  .auth-buttons {
    display: flex;
    gap: 1rem;
  }
  
  .login-btn, .signup-btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    transition: all var(--transition-speed);
  }
  
  .login-btn {
    color: var(--secondary-gray);
    border: 2px solid var(--primary-yellow);
  }
  
  .login-btn:hover {
    background-color: var(--primary-yellow);
    color: var(--primary-black);
  }
  
  .signup-btn {
    background-color: var(--primary-yellow);
    color: var(--primary-black);
    border: 2px solid var(--primary-yellow);
  }
  
  .signup-btn:hover {
    background-color: transparent;
    color: var(--primary-yellow);
  }
  
  body.dark-mode .login-btn {
    color: var(--white);
  }
  
  /* Main Content */
  main {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 3rem var(--content-padding);
    background-color: var(--white);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    margin-top: 2rem;
    margin-bottom: 2rem;
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
  }
  
  body.dark-mode main {
    background-color: var(--secondary-gray);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  }
  
  main h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    padding-bottom: 1rem;
  }
  
  main h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: var(--primary-yellow);
  }
  
  .section {
    margin-bottom: 2.5rem;
  }
  
  .section h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
  }
  
  .section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-yellow);
  }
  
  .subsection {
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 3px solid var(--light-gray);
    transition: border-color var(--transition-speed);
  }
  
  body.dark-mode .subsection {
    border-left-color: var(--medium-gray);
  }
  
  .subsection:hover {
    border-left-color: var(--primary-yellow);
  }
  
  .subsection h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
  }
  
  .contact-info {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    transition: background-color var(--transition-speed);
  }
  
  body.dark-mode .contact-info {
    background-color: var(--primary-black);
  }
  
  .contact-info p {
    margin-bottom: 0.5rem;
  }
  
  /* Footer */
  footer {
    background-color: var(--primary-black);
    color: var(--white);
    padding: 3rem var(--content-padding) 1.5rem;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: var(--content-width);
    margin: 0 auto 2rem;
  }
  
  .footer-section h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
  }
  
  .social-icons {
    display: flex;
    gap: 1rem;
  }
  
  .social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-gray);
    color: var(--white);
    transition: all var(--transition-speed);
  }
  
  .social-icons a:hover {
    background-color: var(--primary-yellow);
    color: var(--primary-black);
    transform: translateY(-3px);
  }
  
  .legal-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .legal-links a {
    color: var(--white);
    transition: color var(--transition-speed);
  }
  
  .legal-links a:hover {
    color: var(--primary-yellow);
  }
  
  .copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    max-width: var(--content-width);
    margin: 0 auto;
  }
  
  .copyright a {
    color: var(--primary-yellow);
    margin-left: 0.5rem;
  }
  
  .dark-mode-toggle {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-speed);
  }
  
  .dark-mode-toggle:hover {
    color: var(--primary-yellow);
  }
  
  /* Animations */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .section {
    animation: fadeIn 0.5s ease-out forwards;
  }
  
  .section:nth-child(1) { animation-delay: 0.1s; }
  .section:nth-child(2) { animation-delay: 0.2s; }
  .section:nth-child(3) { animation-delay: 0.3s; }
  .section:nth-child(4) { animation-delay: 0.4s; }
  .section:nth-child(5) { animation-delay: 0.5s; }
  
  /* Print Styles */
  @media print {
    body {
      background-color: white;
      color: black;
    }
    
    header, footer, .dark-mode-toggle {
      display: none;
    }
    
    main {
      box-shadow: none;
      margin: 0;
      padding: 1rem;
      max-width: 100%;
    }
    
    a {
      color: black;
      text-decoration: underline;
    }
    
    h1, h2, h3 {
      color: black;
    }
    
    .section h2::after, main h1::after {
      display: none;
    }
  }
  
  /* Responsive Styles */
  @media (max-width: 768px) {
    :root {
      --content-padding: 1.5rem;
    }
    
    header {
      padding: 1rem var(--content-padding);
    }
    
    .logo img {
      height: 40px;
    }
    
    main {
      margin-top: 1rem;
      margin-bottom: 1rem;
      padding: 2rem var(--content-padding);
    }
    
    main h1 {
      font-size: 2rem;
    }
    
    .section h2 {
      font-size: 1.5rem;
    }
    
    .subsection h3 {
      font-size: 1.2rem;
    }
  }
  
  @media (max-width: 480px) {
    :root {
      --content-padding: 1rem;
    }
    
    header {
      flex-direction: column;
      gap: 1rem;
    }
    
    .auth-buttons {
      width: 100%;
      justify-content: center;
    }
    
    .login-btn, .signup-btn {
      padding: 0.5rem 0.8rem;
      font-size: 0.9rem;
    }
    
    main h1 {
      font-size: 1.8rem;
    }
    
    .footer-content {
      grid-template-columns: 1fr;
      text-align: center;
    }
    
    .social-icons {
      justify-content: center;
    }
    
    .section h2::after, main h1::after {
      left: 50%;
      transform: translateX(-50%);
    }
    
    .subsection {
      padding-left: 0.5rem;
    }
    
    .section h2 {
      text-align: center;
    }
  }
  
  /* Accessibility Enhancements */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.001ms !important;
      transition-duration: 0.001ms !important;
    }
  }
  
  /* Focus States for Keyboard Navigation */
  a:focus, button:focus {
    outline: 2px solid var(--primary-yellow);
    outline-offset: 2px;
  }