/* Base & Utilities */
  *, *::before, *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    overflow-x: hidden;
  }

  ::selection {
    background: #047857;
    color: #fff;
  }

  /* Mobile Menu */
  #mobileMenu {
    animation: fadeIn 0.25s ease-out;
  }

  #mobileMenu.active {
    display: flex;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  .mobile-link {
    transition: color 0.2s ease;
  }

  .mobile-link:hover {
    color: #059669;
  }

  /* Scroll Reveal (progressive enhancement) */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
  }

  /* Service Cards */
  .service-card {
    border: 1px solid rgba(4, 120, 87, 0.08);
  }

  /* Navbar scroll state */
  header.scrolled {
    box-shadow: 0 1px 20px rgba(2, 44, 34, 0.08);
  }