*, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { overflow-x: hidden; }

  ::selection { background: rgba(201, 168, 76, 0.3); color: #fff; }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #060e1f; }
  ::-webkit-scrollbar-thumb { background: rgba(201, 168, 76, 0.3); border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(201, 168, 76, 0.5); }

  /* Animations */
  @keyframes float-1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
  }
  @keyframes float-2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
  }
  @keyframes float-3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
  }
  @keyframes scroll-dot {
    0% { top: 0; opacity: 1; }
    100% { top: 48px; opacity: 0; }
  }
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
  }

  .floating-card { animation: float-1 5s ease-in-out infinite; }
  .floating-card-2 { animation: float-2 6s ease-in-out infinite; }
  .floating-card-3 { animation: float-3 4.5s ease-in-out infinite; }

  .animate-scroll-dot { animation: scroll-dot 1.5s ease-in-out infinite; }

  /* Reveal on scroll */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .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; }

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

  /* Gold shimmer on hover for cards */
  .service-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201,168,76,0.04), transparent);
    transition: left 0.6s ease;
  }
  .service-card:hover::before { left: 100%; }

  /* Header scrolled state */
  #site-header.scrolled {
    background: rgba(6, 14, 31, 0.9);
    backdrop-blur: 20px;
  }

  /* Smooth focus */
  input:focus, select:focus, textarea:focus {
    outline: none;
  }