/* ── Base ── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 4rem; }
  body { overflow-x: hidden; }

  /* ── Scroll Reveal ── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.65s cubic-bezier(.22,.61,.36,1), transform 0.65s cubic-bezier(.22,.61,.36,1);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal.delay-1 { transition-delay: 0.08s; }
    .reveal.delay-2 { transition-delay: 0.16s; }
    .reveal.delay-3 { transition-delay: 0.24s; }
    .reveal.delay-4 { transition-delay: 0.32s; }
    .reveal.delay-5 { transition-delay: 0.40s; }
  }

  /* ── Navbar scroll state ── */
  #navbar.scrolled {
    box-shadow: 0 1px 12px rgba(0,0,0,0.07);
  }

  /* ── Custom selection ── */
  ::selection {
    background: #f4bfa8;
    color: #6a2216;
  }

  /* ── Smooth image loading ── */
  img {
    display: block;
    max-width: 100%;
  }

  /* ── Focus visible ── */
  :focus-visible {
    outline: 2px solid #e56f4a;
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* ── Mobile menu animation ── */
  @media (prefers-reduced-motion: no-preference) {
    #mobile-nav {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(.4,0,.2,1), padding 0.35s cubic-bezier(.4,0,.2,1);
    }
    #mobile-nav.open {
      max-height: 400px;
      padding-bottom: 0.5rem;
    }
  }

  /* ── Back to top ── */
  #back-to-top.visible {
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
  }