*, *::before, *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }

  body {
    margin: 0;
    overflow-x: hidden;
  }

  ::selection {
    background-color: rgba(52, 212, 180, 0.2);
    color: #0a1628;
  }

  /* Scroll reveal styles - progressive enhancement */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* Service card hover */
  .service-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .service-card:hover {
    transform: translateY(-4px);
  }

  /* Navbar glass effect when scrolled */
  #navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(10, 22, 40, 0.06);
    box-shadow: 0 1px 0 rgba(10, 22, 40, 0.04);
  }

  #navbar.scrolled .nav-link {
    color: #243b53;
  }

  #navbar.scrolled .nav-link:hover {
    color: #0a1628;
  }

  /* Mobile menu animation */
  #mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

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

  /* Custom select arrow */
  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23627d98' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
  }

  /* Subtle line decorations */
  .thin-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(52, 212, 180, 0.3), transparent);
  }