/* ==========================================================================
   Layout — containers, section rhythm, grid helpers
   ========================================================================== */

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

.container--narrow {
  max-width: 860px;
}

.container--wide {
  max-width: 1560px;
}

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

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

.section--dark {
  background: var(--gradient-dark-section);
  color: var(--color-text-on-dark);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--dark p {
  color: var(--color-text-on-dark-muted);
}

.section--tight {
  padding-block: clamp(2.5rem, 2rem + 2vw, 4.5rem);
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-9);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head > .eyebrow {
  margin-bottom: var(--space-4);
}

.section-head > h2 {
  margin-bottom: var(--space-4);
}

/* ---- Grid helpers ---- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.stack {
  display: flex;
  flex-direction: column;
}

.cluster {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }
}

.split--reverse .split-media { order: 2; }
.split--reverse .split-content { order: 1; }

@media (max-width: 900px) {
  .split--reverse .split-media,
  .split--reverse .split-content {
    order: unset;
  }
}