/* ==========================================================================
   Scanner Sentinel - Layout primitives
   ========================================================================== */

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

.section {
  position: relative;
  padding-block: var(--section-pad-y);
}

/* ---- Section canvases --------------------------------------------------- */

.section--dark {
  background: var(--bg-canvas-dark);
  color: var(--text-on-dark-primary);
}

.section--darker {
  background: var(--bg-canvas-darker);
  color: var(--text-on-dark-primary);
}

.section--light {
  background: var(--bg-canvas-light);
  color: var(--text-on-light-primary);
}

.section--paper {
  background: var(--bg-canvas-paper);
  color: var(--text-on-light-primary);
}

/* ---- Section heading block ---------------------------------------------- */

.section-head {
  max-width: 46rem;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-7), 6vw, var(--space-8));
  text-align: center;
}

.section-head--left {
  margin-inline: 0;
  text-align: left;
}

.section-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-4);
}

.section-lede {
  font-size: var(--fs-md);
  line-height: var(--lh-normal);
}

.section--dark .section-lede,
.section--darker .section-lede {
  color: var(--text-on-dark-secondary);
}

.section--light .section-lede,
.section--paper .section-lede {
  color: var(--text-on-light-secondary);
}

/* ---- Eyebrow pill -------------------------------------------------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.9rem;
  margin-bottom: var(--space-5);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
}

.eyebrow--green {
  color: var(--green-300);
  background: rgba(34, 197, 94, 0.09);
  border: 1px solid rgba(74, 222, 128, 0.28);
}

.eyebrow--blue {
  color: var(--blue-300);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.32);
}

.eyebrow--light {
  color: var(--green-600);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(22, 163, 74, 0.25);
}

/* ---- Scroll-reveal ------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition:
    opacity var(--duration-slow) var(--ease-standard),
    transform var(--duration-slow) var(--ease-standard);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* "blur" variant: cards come into focus like a reading locking in */
[data-reveal="blur"] {
  transform: translateY(var(--reveal-distance)) scale(0.975);
  filter: blur(12px);
  transition:
    opacity var(--duration-slow) var(--ease-standard),
    transform var(--duration-slow) var(--ease-standard),
    filter var(--duration-slow) var(--ease-standard);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal="blur"].is-visible {
  filter: blur(0);
}

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