/* Containers, sections and grids */
.container,
.container-narrow,
.container-wide {
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container { max-width: calc(var(--container) + 2 * var(--gutter)); }
.container-narrow { max-width: calc(var(--container-narrow) + 2 * var(--gutter)); }
.container-wide { max-width: calc(var(--container-wide) + 2 * var(--gutter)); }

/* Sections */
.section {
  padding-block: var(--space-7);
  background: var(--color-white);
}

.section--alt { background: var(--color-slate-100); }

.section--dark {
  background: var(--color-ink-900);
  color: var(--color-white);
}

.section--compact { padding-block: var(--space-7); }

@media (min-width: 768px) {
  .section { padding-block: var(--space-8); }
}

@media (min-width: 1024px) {
  .section { padding-block: var(--space-9); }
  .section--compact { padding-block: var(--space-7); }
}

/* Section header: eyebrow → h2 → lead */
.section-header {
  margin-bottom: var(--space-7);
}

.section-header--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
}

.eyebrow {
  display: block;
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-600);
}

.lead {
  margin-top: var(--space-4);
  max-width: 60ch;
  font-size: var(--text-body-lg);
  line-height: 1.6;
  color: var(--color-slate-600);
}

/* Grids */
.grid {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: minmax(0, 1fr);
}

.split { row-gap: var(--space-7); }

@media (min-width: 768px) {
  .grid--2,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  /* 5 / 7 split */
  .split {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    column-gap: var(--space-8);
  }
}