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

  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    overflow-x: hidden;
  }

  ::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #e5d69a;
  }

  ::-webkit-scrollbar {
    width: 8px;
  }

  ::-webkit-scrollbar-track {
    background: #0a1628;
  }

  ::-webkit-scrollbar-thumb {
    background: #1a3658;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
  }

  /* Navbar scroll state */
  nav.scrolled {
    background: rgba(5, 13, 26, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  }

  /* Service card hover glow */
  .service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    opacity: 0;
    transition: opacity 0.5s ease;
    background: radial-gradient(ellipse at 50% 0%, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
    pointer-events: none;
  }

  .service-card {
    position: relative;
    overflow: hidden;
  }

  .service-card:hover::before {
    opacity: 1;
  }

  /* Scroll reveal base state — always visible */
  .reveal {
    opacity: 1;
    transform: none;
  }

  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal.visible {
      opacity: 1;
      transform: none;
    }

    .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 animation */
  .mobile-line {
    display: block;
  }

  #mobile-menu.open .mobile-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

  #mobile-menu.open .mobile-line:nth-child(2) {
    opacity: 0;
  }

  #mobile-menu.open .mobile-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(4px, -4px);
    background: #c9a84c;
  }

  /* Gold shimmer on headings */
  @media (prefers-reduced-motion: no-preference) {
    .gold-shimmer {
      background-size: 200% 100%;
      animation: shimmer 4s ease-in-out infinite;
    }
  }

  @keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  /* Floating animation for hero cards */
  @media (prefers-reduced-motion: no-preference) {
    .float-1 { animation: float1 6s ease-in-out infinite; }
    .float-2 { animation: float2 5s ease-in-out infinite; }
    .float-3 { animation: float3 7s ease-in-out infinite; }
  }

  @keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
  }

  @keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
  }

  .float-1 { animation-duration: 6s; }
  .float-2 { animation-duration: 5s; }
  .float-3 { animation-duration: 7s; }

  /* Success message */
  #form-success {
    display: none;
  }

  #form-success.show {
    display: block;
    animation: fadeIn 0.4s ease;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }