/* Footer Variables */
  :root {
    --footer-bg: #2c3e50;
    --footer-text: #ecf0f1;
    --footer-accent: #e74c3c;
    --footer-border: #34495e;
    --footer-hover: #3498db;
    --footer-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  }

  /* Main Footer */
  .site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    margin-top: 60px;
    position: relative;
    overflow: hidden;
  }

  /* Decorative Wave */
  .footer-wave {
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: var(--footer-bg);
  }

  .footer-wave::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 50'%3E%3Cpath fill='%232c3e50' fill-opacity='1' d='M0,25 C240,5 480,45 720,25 C960,5 1200,45 1440,25 L1440,50 L0,50 Z'%3E%3C/path%3E%3C/svg%3E") no-repeat;
    background-size: cover;
  }

  /* Footer Content Container */
  .footer-main {
    padding: 60px 0 40px;
    position: relative;
    z-index: 1;
  }

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

  /* Footer Grid */
  .footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr 1.5fr;
    gap: 35px;
    margin-bottom: 40px;
  }

  /* Footer Columns */
  .footer-column h3 {
    color: var(--footer-text);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
  }

  .footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--footer-accent);
    border-radius: 2px;
  }

  /* About Section */
  .footer-about p {
    line-height: 1.8;
    color: #bdc3c7;
    margin-bottom: 20px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
  }

  .footer-logo img {
    height: 40px;
    width: auto;
  }

  .footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
  }

  .footer-logo .peptide {
    color: var(--footer-accent);
  }

  .footer-logo .dosages {
    color: var(--footer-hover);
  }

  /* Footer Links */
  .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer-links li {
    margin-bottom: 12px;
  }

  .footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .footer-links a:hover {
    color: var(--footer-hover);
    transform: translateX(5px);
  }

  .footer-links a::before {
    content: '▸';
    color: var(--footer-accent);
    transition: transform 0.3s ease;
  }

  .footer-links a:hover::before {
    transform: translateX(3px);
  }

  /* Newsletter Section */
  .footer-newsletter {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
  }

  .newsletter-form input[type="email"] {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--footer-text);
    font-size: 0.95rem;
    transition: all 0.3s ease;
  }

  .newsletter-form input[type="email"]::placeholder {
    color: #95a5a6;
  }

  .newsletter-form input[type="email"]:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 2px var(--footer-hover);
  }

  .newsletter-form button {
    padding: 12px 20px;
    background: var(--footer-accent);
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
  }

  .newsletter-form button:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
  }

  /* Footer Bottom */
  .footer-bottom {
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
  }

  .footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
  }

  .footer-copyright {
    color: #95a5a6;
    font-size: 0.95rem;
  }

  .footer-legal-links {
    display: flex;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer-legal-links a {
    color: #95a5a6;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
  }

  .footer-legal-links a:hover {
    color: var(--footer-hover);
  }

  /* Disclaimer */
  .footer-disclaimer {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.2);
    border-radius: 8px;
    padding: 15px 20px;
    margin-top: 30px;
    text-align: center;
  }

  .footer-disclaimer p {
    color: #ecf0f1;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
  }

  .footer-disclaimer strong {
    color: var(--footer-accent);
  }

  /* Back to Top Button */
  .back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--footer-accent);
    color: white;
    border: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  }

  .back-to-top.visible {
    opacity: 1;
    visibility: visible;
  }

  .back-to-top:hover {
    background: var(--footer-hover);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  }

  /* Mobile Responsive */
  @media (max-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    
    .footer-about {
      grid-column: 1 / -1;
    }
    
    .footer-newsletter-col {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 30px;
    }
    
    .footer-about {
      grid-column: auto;
    }
    
    .footer-newsletter-col {
      grid-column: auto;
    }

    .footer-bottom-content {
      flex-direction: column;
      text-align: center;
    }

    .newsletter-form {
      flex-direction: column;
    }

    .newsletter-form button {
      width: 100%;
    }

    .footer-legal-links {
      flex-direction: column;
      text-align: center;
      gap: 10px;
    }
  }

  /* Dark Mode Support */
  body.dark-mode .site-footer {
    background: #1a1a1a;
  }

  body.dark-mode .footer-wave::before {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 50'%3E%3Cpath fill='%231a1a1a' fill-opacity='1' d='M0,25 C240,5 480,45 720,25 C960,5 1200,45 1440,25 L1440,50 L0,50 Z'%3E%3C/path%3E%3C/svg%3E") no-repeat;
    background-size: cover;
  }

  body.dark-mode .footer-column h3 {
    color: #f0f0f0;
  }

  body.dark-mode .footer-links a,
  body.dark-mode .footer-about p {
    color: #ccc;
  }

  body.dark-mode .footer-newsletter {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.05);
  }