/* Base styles */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #f1f5f9;
  }
  ::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
  }

  /* Selection */
  ::selection {
    background: #0d9488;
    color: white;
  }

  /* Navigation transitions */
  #navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  }

  #navbar.scrolled .nav-text {
    color: #0f172a;
  }

  #navbar.scrolled .nav-subtext {
    color: #64748b;
  }

  #navbar.scrolled .nav-link {
    color: #475569;
  }

  #navbar.scrolled .nav-link:hover {
    color: #0d9488;
  }

  /* Service cards */
  .service-card {
    border: 1px solid transparent;
  }
  .service-card:hover {
    border-color: #e2e8f0;
    transform: translateY(-4px);
  }

  /* Process steps */
  .process-step {
    position: relative;
  }
  .process-step::after {
    content: '';
    position: absolute;
    top: 24px;
    right: -2rem;
    width: 1.5rem;
    height: 2px;
    background: #115e59;
  }
  @media (max-width: 1023px) {
    .process-step::after {
      display: none;
    }
  }

  /* Mobile menu */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
  }

  /* Hamburger animation */
  #mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  #mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  #mobile-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    width: 20px;
  }

  /* Scroll reveal animations */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
      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; }
  }

  /* Reduce motion */
  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* Print styles */
  @media print {
    nav, #contact-form, #form-success {
      display: none;
    }
    body {
      color: #000;
      background: #fff;
    }
  }