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

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

  body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  /* Navigation active state */
  .nav.scrolled {
    background-color: rgba(8, 14, 26, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  }

  /* Mobile menu */
  .nav-menu.open {
    display: block;
  }

  /* Scroll reveal animations — progressive enhancement */
  @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.revealed {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
    .reveal:nth-child(5) { transition-delay: 0.4s; }
    .reveal:nth-child(6) { transition-delay: 0.5s; }
  }

  /* Fallback: content always visible if JS is disabled */
  .reveal {
    opacity: 1;
    transform: none;
  }

  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
    }
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }

  ::-webkit-scrollbar-track {
    background: #0f172a;
  }

  ::-webkit-scrollbar-thumb {
    background: #7B1E2F;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #a01632;
  }

  /* Select dropdown arrow */
  select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
  }

  /* Focus visible */
  :focus-visible {
    outline: 2px solid #e03e5c;
    outline-offset: 2px;
  }

  /* Selection */
  ::selection {
    background-color: rgba(123, 30, 47, 0.5);
    color: #f5d5d5;
  }