.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.visually-hidden {
  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: 1000;
  background: var(--brand-bg); color: #fff; padding: var(--space-3) var(--space-5);
  border-radius: 0 0 var(--radius-control) 0;
}
.skip-link:focus { left: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brand-fg);
}
.eyebrow--muted { color: var(--text-tertiary); }

.lede {
  font-size: var(--fs-lg);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 54ch;
}
.muted { color: var(--text-tertiary); }
.tabular { font-variant-numeric: tabular-nums; }

/* Gradient text, used sparingly — one phrase per page at most. */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- Scroll reveal ------------------------------------------------------
   Gated on html.js, which the inline head script sets. Without JS the
   content is simply visible — never a blank page for a crawler or a
   viewer whose script failed to load. */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--dur-slower) var(--ease-out-expo),
    transform var(--dur-slower) var(--ease-out-expo);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}

/* ---- Icons ------------------------------------------------------------- */
.icon {
  display: inline-block;
  width: var(--icon);
  height: var(--icon);
  vertical-align: -0.125em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.icon--sm { width: var(--icon-sm); height: var(--icon-sm); }
.icon--lg { width: var(--icon-lg); height: var(--icon-lg); }
.icon--xl { width: var(--icon-xl); height: var(--icon-xl); }
