:root {
      --bg-dark: #1a1a1f;
      --bg-footer-dark: #141418;
      --text-primary-dark: #ffffff;
      --text-secondary-dark: #b8b8b8;
      --bg-light: #f8f9fa;
      --bg-footer-light: #ffffff;
      --text-primary-light: #1a1a1f;
      --text-secondary-light: #4a4a4f;
      --accent-gold: #d4af37;
      --accent-gold-light: #f0c952;
      --accent-gold-dark: #b8941f;
      --transition: all 0.3s ease;
      
      --bg-body: var(--bg-dark);
      --bg-footer: var(--bg-footer-dark);
      --text-primary: var(--text-primary-dark);
      --text-secondary: var(--text-secondary-dark);
      --border-color: rgba(212, 175, 55, 0.15);
      --divider-color: rgba(212, 175, 55, 0.1);
    }

    body.light-theme {
      --bg-body: var(--bg-light);
      --bg-footer: var(--bg-footer-light);
      --text-primary: var(--text-primary-light);
      --text-secondary: var(--text-secondary-light);
      --border-color: rgba(212, 175, 55, 0.25);
      --divider-color: rgba(212, 175, 55, 0.2);
    }

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

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: var(--bg-body);
      color: var(--text-primary);
      min-height: 100%;
      transition: background-color 0.3s ease, color 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    html {
      height: 100%;
    }

    .demo-content {
      flex: 1;
      max-width: 1400px;
      margin: 0 auto;
      padding: 4rem 2rem;
      text-align: center;
    }

    .demo-content h1 {
      font-size: 3rem;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-gold) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .demo-content p {
      font-size: 1.2rem;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 2rem;
    }

    .theme-toggle-demo {
      background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
      color: var(--bg-dark);
      padding: 0.75rem 1.75rem;
      border-radius: 8px;
      font-weight: 600;
      font-size: 1rem;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    }

    .theme-toggle-demo:hover,
    .theme-toggle-demo:focus {
      transform: translateY(-2px);
      box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
      outline: 2px solid var(--accent-gold);
      outline-offset: 2px;
    }

    .footer {
      width: 100%;
      background: var(--bg-footer);
      border-top: 2px solid var(--border-color);
      transition: background-color 0.3s ease, border-color 0.3s ease;
      margin-top: auto;
    }

    .footer-gradient {
      height: 3px;
      background: linear-gradient(90deg, transparent 0%, var(--accent-gold) 50%, transparent 100%);
      opacity: 0.5;
    }

    .footer-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 3rem 2rem 1.5rem;
    }

    .footer-main {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 3rem;
      margin-bottom: 2.5rem;
    }

    .footer-column h3 {
      color: var(--text-primary);
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 1.25rem;
      letter-spacing: 0.5px;
    }

    .footer-company {
      grid-column: span 1;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1rem;
    }


    .logo {
  width: 100px;
  height: 40px;
  background: transparent;   /* ← removes yellow box */
  border-radius: 0;           /* optional, keeps clean */
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--accent-gold);  /* keeps logo golden */
  box-shadow: none;           /* removes glow */
}


    

    .company-name {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--text-primary);
    }

    .footer-description {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 0.75rem;
    }

    .footer-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.95rem;
      transition: var(--transition);
      display: inline-block;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--accent-gold);
      transform: translateX(5px);
      outline: none;
    }

    .contact-info {
      list-style: none;
    }

    .contact-info li {
      color: var(--text-secondary);
      font-size: 0.95rem;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: flex-start;
      gap: 0.5rem;
    }

    .contact-info li::before {
      content: '▸';
      color: var(--accent-gold);
      font-weight: bold;
    }

    .contact-info a {
      color: var(--text-secondary);
      text-decoration: none;
      transition: var(--transition);
    }

    .contact-info a:hover,
    .contact-info a:focus {
      color: var(--accent-gold);
      outline: none;
    }

    .social-links {
      display: flex;
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .social-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--bg-body);
      border: 2px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 1.1rem;
      transition: var(--transition);
    }

    .social-icon:hover,
    .social-icon:focus {
      background: var(--accent-gold);
      border-color: var(--accent-gold);
      color: var(--bg-dark);
      transform: scale(1.1);
      box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
      outline: none;
    }

    .footer-bottom {
      border-top: 1px solid var(--divider-color);
      padding-top: 1.5rem;
      text-align: center;
    }

    .copyright {
      color: var(--text-secondary);
      font-size: 0.9rem;
    }

    @media (max-width: 1024px) {
      .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
      }

      .footer-company {
        grid-column: span 2;
      }
    }

    @media (max-width: 640px) {
      .footer-container {
        padding: 2.5rem 1.5rem 1.5rem;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .footer-company {
        grid-column: span 1;
      }

      .footer-column h3 {
        font-size: 1rem;
      }

      .social-links {
        justify-content: flex-start;
      }

      .demo-content {
        padding: 3rem 1.5rem;
      }

      .demo-content h1 {
        font-size: 2rem;
      }

      .demo-content p {
        font-size: 1rem;
      }
    }