/* ==========================================================================
   QAVA — Layout
   Containers, section rhythm and page-level grids.
   ========================================================================== */

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

.wrap--wide {
  max-width: var(--wrap-wide);
}

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

.section--tint {
  background: var(--bg-sunken);
}

.section--line {
  border-top: 1px solid var(--line);
}

.section-head {
  position: relative;
  display: grid;
  gap: var(--space-md) var(--space-2xl);
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: end;
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

/* The rule is a pseudo-element so it can be drawn in from the left. */
.section-head::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0ms) + 120ms);
}

.section-head.is-visible::after {
  transform: scaleX(1);
}

.section-head__title {
  font-size: var(--text-xl);
  max-width: 22ch;
}

.section-head__lead {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  max-width: 42ch;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--ink-soft);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 26px;
  height: 2px;
  flex: none;
  background: var(--accent);
}

.eyebrow--stack {
  flex-wrap: wrap;
  row-gap: var(--space-2xs);
}

/* ---- Editorial grid helpers ---- */
.lede {
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: var(--text-md);
}

.u-mt-sm {
  margin-top: var(--space-sm);
}

.u-mt-md {
  margin-top: var(--space-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* ---- Materials bento ----
   Five categories over a 4-column grid. The lead card spans 2x2 so the grid
   is always perfectly filled: no orphan row, no orphan column. */
.materials {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.material--lead {
  grid-column: span 2;
  grid-row: span 2;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3xl);
  align-items: start;
}

.split--center {
  align-items: center;
}

@media (max-width: 860px) {
  .section-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .grid-2,
  .split {
    grid-template-columns: 1fr;
  }

  /* Lead goes full width, the other four pair up in a 2x2. */
  .materials {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .materials {
    grid-template-columns: 1fr;
  }

  .material--lead {
    grid-column: span 1;
    grid-row: span 1;
  }
}