/* utilities.css — spacing, display, text helpers, motion primitives */

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.mt-6 { margin-top: var(--s-6); }
.mt-7 { margin-top: var(--s-7); }
.mb-3 { margin-bottom: var(--s-3); }
.mb-4 { margin-bottom: var(--s-4); }

.flex { display: flex; }
.grid-d { display: grid; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); }
.gap-4 { gap: var(--s-4); }
.wrap { flex-wrap: wrap; }

.text-soft { color: var(--c-ink-soft); }
.text-faint { color: var(--c-ink-faint); }
.text-accent { color: var(--c-accent); }
.text-sm { font-size: var(--t-sm); }
.text-xs { font-size: var(--t-xs); }
.text-center { text-align: center; }

.hr { border: 0; border-top: var(--hair); margin-block: var(--s-7); }
.hidden { display: none; }

/* ---- motion: load + scroll reveal ---- */
.reveal { opacity: 0; transform: translateY(10px); animation: reveal var(--dur-4) var(--ease-out) forwards; }
.hero__copy .reveal:nth-child(1) { animation-delay: 0ms; }
.hero__copy .reveal:nth-child(2) { animation-delay: 70ms; }
.hero__copy .reveal:nth-child(3) { animation-delay: 140ms; }
.hero__copy .reveal:nth-child(4) { animation-delay: 210ms; }
.hero__copy .reveal:nth-child(5) { animation-delay: 280ms; }
@keyframes reveal { to { opacity: 1; transform: none; } }

/* scroll-reveal: JS adds .in-view; default hidden only when JS marks observable */
/* scroll-reveal: fail-safe to VISIBLE. Hidden only once JS adds .reveal-armed,
   so if JS is absent or fails (e.g. a page that omits app.js) content still shows. */
[data-reveal].reveal-armed { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-4) var(--ease-out), transform var(--dur-4) var(--ease-out); }
[data-reveal].reveal-armed.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal, [data-reveal] { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
  .search__results { animation: none; }
  *, *::before, *::after { scroll-behavior: auto; }
}