/**
 * Single responsibility: Container, section spacing, and responsive layout utilities.
 */

/* ─── Container ─────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ─── Section Spacing ───────────────────────────────────────────────────────── */
.section {
  padding-block: var(--space-24);
}

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

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

.section--light {
  background-color: var(--color-bg-white);
  color: var(--color-text-dark);
  /* Override variables for children in light sections */
  --color-bg-section: var(--color-bg-white);
  --color-text-primary: var(--color-text-dark);
  --color-text-secondary: var(--color-text-dark-muted);
  --color-text-muted: var(--color-text-dark-muted);
  --color-border: var(--color-border-light);
  --color-bg-card: #F8FAFC;
  --color-bg-card-hover: #F1F5F9;
  --color-border-card: rgba(59, 130, 246, 0.12);
}

/* Component overrides for light sections */
.section--light .btn-secondary {
  background: rgba(15, 23, 42, 0.05);
  color: var(--color-text-dark);
  border-color: rgba(15, 23, 42, 0.1);
}
.section--light .btn-secondary:hover {
  background: rgba(15, 23, 42, 0.1);
}
.section--light .announcement-badge {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-accent);
}
.section--light .tab-nav {
  background: rgba(15, 23, 42, 0.04);
}
.section--light .accordion-body_inner {
  border-color: var(--color-border-light);
}
.section--light .mockup-window_bar {
  background: rgba(15, 23, 42, 0.03);
}

/* ─── Section Header Pattern ────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header_eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-header_title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
}

.section-header_subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 800px;
  margin-inline: auto;
  line-height: 1.75;
}

/* ─── Grid Utilities ────────────────────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

/* ─── Flex Utilities ────────────────────────────────────────────────────────── */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

@media (max-width: 768px) {
  .section {
    padding-block: var(--space-16);
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .container {
    padding-inline: var(--space-4);
  }

  .section-header {
    margin-bottom: var(--space-10);
  }
}