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

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

  body {
    overflow-x: hidden;
  }

  /* Marquee animation */
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  .animate-marquee {
    animation: marquee 30s linear infinite;
  }

  .animate-marquee:hover {
    animation-play-state: paused;
  }

  /* Nav styles */
  #nav.scrolled {
    background: rgba(3, 9, 20, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(200, 169, 97, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  }

  #nav.scrolled .nav-link {
    color: rgba(176, 186, 205, 0.8);
  }

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

  #mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
  }

  /* Scroll reveal base - always visible by default */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  /* Only apply hidden state when JS is enabled via .js class */
  .js-enabled .reveal {
    opacity: 0;
    transform: translateY(30px);
  }

  /* Respect reduced motion preferences */
  @media (prefers-reduced-motion: no-preference) {
    .js-enabled .reveal {
      opacity: 0;
      transform: translateY(30px);
    }
    .js-enabled .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Service card hover */
  .service-card {
    transition: border-color 0.5s ease, background-color 0.5s ease, transform 0.3s ease;
  }

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

  /* Selection color */
  ::selection {
    background: rgba(200, 169, 97, 0.3);
    color: #F0F3F9;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #060F22;
  }
  ::-webkit-scrollbar-thumb {
    background: #1D2840;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #C8A961;
  }

  /* Focus visible styles */
  a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #C8A961;
    outline-offset: 2px;
  }

  /* Image loading placeholder */
  img {
    background: linear-gradient(135deg, #0A1A3A 0%, #1D2840 100%);
  }