/* ============================================================
   LAYOUT — container, section rhythm, reveal primitives
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--section-y);
}
.section--flush-top { padding-top: 0; }

/* A consistent left-rail eyebrow + content two-column rhythm */
.rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}
@media (min-width: 880px) {
  .rail {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: var(--space-5);
  }
}

/* ---- Reveal primitives (driven by GSAP or IntersectionObserver) ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* Kicker line under a service eyebrow (Web vs Branding distinction) */
.service-kicker {
  font-size: var(--fs-sm);
  color: var(--color-text-dim);
  margin-bottom: var(--space-2);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.visually-hidden-until-focus:not(:focus) { position: absolute; left: -9999px; }