/* STMG base — reset, typography defaults, reveal system, shared layout primitives. */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, video, svg { max-width: 100%; display: block; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 500; letter-spacing: -0.02em; }
h1, h2 { font-family: var(--font-display); }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* ── Layout primitives ─────────────────────────────────────────── */
/* Full-bleed section wrapper with breakpoint side padding. */
.wrap { width: 100%; padding-left: var(--pad); padding-right: var(--pad); }
/* Centered content column (maxw 1280). */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.container--flush { padding-left: 0; padding-right: 0; }

/* Header/footer are full-width with fixed 0 48px padding (per handoff §5). */
.edge { padding-left: 48px; padding-right: 48px; }
@media (max-width: 1024px) { .edge { padding-left: var(--pad); padding-right: var(--pad); } }

/* Dark section (ink background, light text) */
.section-dark { background: var(--ink); color: #fff; }
.section-blue { background: var(--blue); color: #fff; }
.section-deep { background: var(--bg-deep); }

/* ── Reveal system — VERBATIM from prototype (README §3) ───────────
   Base = visible. Only hide inside prefers-reduced-motion:no-preference.
   .no-anim force-shows (JS safety fallback after 1500ms). */
.rv { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .rv { opacity: 0; transform: translateY(28px);
        transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
  .rv.in { opacity: 1; transform: translateY(0); }
  .no-anim .rv { opacity: 1 !important; transform: none !important; transition: none !important; }
}
.rv-slow { transition-duration: 1.2s; }
.rv-fast { transition-duration: .6s; }

@keyframes kenburns { 0% { transform: scale(1.02); } 100% { transform: scale(1.12); } }
@keyframes pulseDot { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* Accessibility helper */
.screen-reader-text {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; }
.skip-link:focus { left: 8px; top: 8px; }