:root {
    --primary: #6c5ce7;
    --primary-light: #a29bfe;
    --secondary: #2d3436;
    --accent: #fd79a8;
    --light: #f5f6fa;
    --dark: #2d3436;
    --gray: #636e72;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #d63031;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
  }

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

  body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #f5f6fa;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
  }

  h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
  }

  h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
  }

  h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
  }

  h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 2px;
  }

  h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  p {
    margin-bottom: 1.5rem;
  }

  a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
  }

  a:hover {
    color: var(--primary-light);
  }

  img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
  }

  .btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
  }

  .btn-primary {
    background-color: var(--primary);
    color: white;
  }

  .btn-primary:hover {
    background-color: var(--primary-light);
    color: white;
  }

  .btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
  }

  .btn-secondary:hover {
    background-color: var(--primary);
    color: white;
  }

  .lead {
    font-size: 1.25rem;
    font-weight: 300;
    line-height: 1.5;
    margin-bottom: 2rem;
  }

  /* Hero Section */
  .forum-hero {
    background-color: var(--secondary);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .forum-hero h1, .forum-hero p {
    color: white;
    position: relative;
    z-index: 1;
  }

  .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    z-index: 0;
  }

  /* Categories Section */
  .forum-categories {
    padding: 80px 0;
    background-color: white;
  }

  .categories-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
    margin-top: 40px;
  }

  @media (min-width: 768px) {
    .categories-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .categories-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .category-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }

  .category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }

  .category-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
  }

  .category-card h3, .category-card p, .category-card .category-stats, .category-card .btn-primary {
    padding: 0 20px;
  }

  .category-card h3 {
    margin-top: 20px;
    font-size: 1.25rem;
  }

  .category-card p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.95rem;
  }

  .category-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    color: var(--gray);
    font-size: 0.9rem;
  }

  .category-card .btn-primary {
    margin: 0 20px 20px;
    align-self: flex-start;
  }

  /* Latest Discussions */
  .latest-discussions {
    padding: 80px 0;
    background-color: #f8f9fa;
  }

  .discussions-list {
    margin-top: 40px;
  }

  .discussion-item {
    display: flex;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
    overflow: hidden;
    transition: var(--transition);
  }

  .discussion-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  }

  .discussion-avatar {
    padding: 20px;
    flex-shrink: 0;
  }

  .discussion-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
  }

  .discussion-content {
    padding: 20px 20px 20px 0;
    flex-grow: 1;
  }

  .discussion-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 10px;
  }

  .discussion-meta .author {
    font-weight: 600;
    color: var(--primary);
  }

  .discussion-meta .category {
    background-color: var(--light);
    padding: 2px 10px;
    border-radius: 20px;
  }

  .discussion-excerpt {
    color: var(--dark);
    margin-bottom: 15px;
  }

  .discussion-stats {
    display: flex;
    gap: 20px;
    color: var(--gray);
    font-size: 0.9rem;
  }

  .view-more {
    text-align: center;
    margin-top: 40px;
  }

  /* Join Section */
  .forum-join {
    padding: 100px 0;
    background-color: var(--secondary);
    color: white;
    position: relative;
    overflow: hidden;
  }

  .forum-join h2, .forum-join p {
    color: white;
    text-align: center;
    position: relative;
    z-index: 1;
  }

  .forum-join h2:after {
    left: 50%;
    transform: translateX(-50%);
  }

  .registration-form {
    max-width: 600px;
    margin: 40px auto;
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
  }

  .form-group {
    margin-bottom: 20px;
  }

  .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
  }

  .form-group input, .form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
  }

  .form-group input:focus, .form-group select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
  }

  .form-group.checkbox {
    display: flex;
    align-items: center;
  }

  .form-group.checkbox input {
    width: auto;
    margin-right: 10px;
  }

  .form-group.checkbox label {
    margin-bottom: 0;
    font-size: 0.9rem;
  }

  .registration-form .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 1.1rem;
    margin-top: 10px;
  }

  .login-option {
    text-align: center;
    margin-top: 20px;
    color: white;
  }

  .login-option a {
    color: var(--primary-light);
    font-weight: 600;
  }

  .login-option a:hover {
    text-decoration: underline;
  }

  /* Rules Section */
  .forum-rules {
    padding: 80px 0;
    background-color: white;
  }

  .rules-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
    margin-top: 40px;
  }

  @media (min-width: 768px) {
    .rules-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .rules-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .rule-item {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    transition: var(--transition);
  }

  .rule-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
  }

  .rule-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
  }

  .rule-item h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
  }

  .rule-item p {
    color: var(--gray);
    font-size: 0.95rem;
  }

  .rules-note {
    text-align: center;
    margin-top: 40px;
    color: var(--gray);
    font-style: italic;
  }

  /* Responsive Adjustments */
  @media (max-width: 767px) {
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.75rem;
    }
    
    .discussion-item {
      flex-direction: column;
    }
    
    .discussion-avatar {
      padding: 20px 20px 0;
      display: flex;
      justify-content: center;
    }
    
    .discussion-content {
      padding: 20px;
    }
    
    .forum-hero, .forum-join {
      padding: 60px 0;
    }
  }

  /* Accessibility Class */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }