/* Base */
  html {
    scroll-behavior: smooth;
  }

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

  /* Nav */
  #nav {
    background: rgba(250, 250, 247, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  #nav.scrolled {
    box-shadow: 0 1px 20px rgba(45, 45, 45, 0.08);
  }

  /* Mobile menu */
  #mobileMenu {
    animation: slideDown 0.25s ease-out;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .mobile-link {
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid #f5f5f4;
  }

  .mobile-link:last-child {
    border-bottom: none;
  }

  /* Scroll reveal (below fold only, progressive enhancement) */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Fallback: always visible if JS disabled or reduced motion */
  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* Hero image subtle float */
  @media (prefers-reduced-motion: no-preference) {
    .hero-float {
      animation: float 6s ease-in-out infinite;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }
  }
</style>