/**
 * home-polish-v1.css — Last-mile UX polish layer
 * ------------------------------------------------
 * Lightweight accessibility and usability improvements for the home page.
 * Focus-visible treatment, busy-button states, smooth scroll, and
 * reduced-motion support.  Selectors are conservative to avoid breaking
 * existing layout.
 */

/* ── Focus-visible treatment ────────────────────────────────────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible {
  outline: 3px solid var(--color-primary, #1a73e8);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Busy / double-submit guard state ───────────────────────────────── */
button.is-busy,
input[type="submit"].is-busy {
  opacity: 0.65;
  cursor: wait;
  pointer-events: none;
}

/* ── Smooth-scroll (opt-in when motion is allowed) ──────────────────── */
html:focus-within {
  scroll-behavior: smooth;
}

/* ── Reduced motion ─────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html:focus-within {
    scroll-behavior: auto;
  }
}