/* ── Base & Typography ── */
  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    overflow-x: hidden;
  }

  ::selection {
    background: rgba(255, 107, 74, 0.2);
    color: #1f2228;
  }

  /* ── Scroll Reveal (progressive enhancement) ── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-up.revealed {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal-left {
      opacity: 0;
      transform: translateX(-40px);
      transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-left.revealed {
      opacity: 1;
      transform: translateX(0);
    }
    .reveal-right {
      opacity: 0;
      transform: translateX(40px);
      transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-right.revealed {
      opacity: 1;
      transform: translateX(0);
    }
  }

  /* ── Navbar scroll state ── */
  #navbar.scrolled {
    background: rgba(254, 252, 246, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(31, 34, 40, 0.06);
  }

  /* ── Custom scrollbar ── */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #fefcf6;
  }
  ::-webkit-scrollbar-thumb {
    background: #c4c6ca;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #a1a5ab;
  }

  /* ── Button focus styles ── */
  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #ff8a70;
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* ── Mobile menu transition ── */
  #mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── Smooth image loading ── */
  img {
    opacity: 1;
    transition: opacity 0.3s ease;
  }