/* ============================================
   BEAST LAB — Layout System
   Architectural grid and spatial rhythm
   ============================================ */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

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

.container--narrow {
  max-width: var(--container-narrow);
}

.container--text {
  max-width: var(--container-text);
}

/* ── Section ── */
.section {
  position: relative;
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.section--primary {
  background-color: var(--surface-primary);
}

.section--secondary {
  background-color: var(--surface-secondary);
}

.section--accent {
  background-color: var(--surface-accent);
}

.section--dark {
  background-color: var(--text-primary);
  color: var(--text-inverse);
}

.section--full {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ── Grid System ── */
.grid {
  display: grid;
  gap: var(--space-8);
}

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

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

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

/* Asymmetric editorial grid for facility cards */
.grid--editorial {
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
}

/* ── Flex Utilities ── */
.flex {
  display: flex;
}

.flex--center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex--between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.flex--gap-sm {
  gap: var(--space-4);
}

.flex--gap-md {
  gap: var(--space-8);
}

.flex--gap-lg {
  gap: var(--space-12);
}

/* ── Spacing Utilities ── */
.mt-auto { margin-top: auto; }

.text-center { text-align: center; }

/* ── Responsive ── */
@media (max-width: 1200px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .grid--editorial {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .grid--editorial {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: clamp(3rem, 6vw, 5rem);
    padding-bottom: clamp(3rem, 6vw, 5rem);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1.25rem;
  }
}