/* ============================================================
   layout.css — structure, containers, sections, grids
   ============================================================ */
body {
  background: var(--bg);
  overflow-x: hidden;            /* guards stray overflow; intentional H-scroll is internal */
}

main { display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: 820px; }

.section {
  position: relative;
  padding-block: var(--section-y);
}
.section--tight { padding-block: clamp(3rem, 6vw, 5.5rem); }
.section--dark {
  background: var(--color-navy);
  color: var(--text-on-dark);
}
.section--sand { background: var(--color-sand); }
.section--cream-2 { background: var(--bg-alt); }

.section__head {
  max-width: 760px;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.section__head--center {
  margin-inline: auto;
  text-align: center;
}
.section__title { margin-top: 0.7rem; }
.section__intro { margin-top: 1.2rem; }

/* Generic responsive grids */
.grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}
.split--reverse > :first-child { order: 2; }

.stack-sm > * + * { margin-top: var(--space-2); }
.stack > * + * { margin-top: var(--space-3); }
.stack-lg > * + * { margin-top: var(--space-4); }

.flow-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: var(--space-3);
}

.cluster { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.center { text-align: center; }

/* Page top spacing so fixed header never overlaps non-hero pages */
.page-pad-top { padding-top: clamp(7rem, 12vh, 11rem); }

/* Full-bleed media frame */
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 880px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split--reverse > :first-child { order: 0; }
}
@media (max-width: 560px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}