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

  /* Selection color */
  ::selection {
    background-color: #D1FAE5;
    color: #064E3B;
  }

  /* Fade-in animation */
  .fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Navbar scroll state */
  #navbar.scrolled {
    background-color: rgba(253, 252, 250, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(5, 150, 105, 0.08);
  }

  /* Hero gradient text */
  .gradient-text {
    background: linear-gradient(135deg, #059669 0%, #34D399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #FDF8F0;
  }
  ::-webkit-scrollbar-thumb {
    background: #A7F3D0;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #6EE7B7;
  }

  /* Mobile menu transition */
  #mobile-menu {
    animation: slideDown 0.3s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Image hover zoom */
  .img-zoom {
    transition: transform 0.6s ease;
  }
  .img-zoom:hover {
    transform: scale(1.03);
  }