/* Base & Utilities */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

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

  /* Scroll Reveal — progressive enhancement, works without JS */
  .scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  @media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
      opacity: 0;
      transform: translateY(24px);
    }
    .scroll-reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Navbar active state */
  nav.scrolled {
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
  }

  /* Custom selection color */
  ::selection {
    background: #ff6b35;
    color: #fff;
  }

  /* Subtle card tilt on hover */
  @media (prefers-reduced-motion: no-preference) {
    .scroll-reveal:hover {
      transform: translateY(-4px);
    }
    .scroll-reveal.is-visible:hover {
      transform: translateY(-4px);
    }
  }