/* ==========================================================================
   Layout utilities - container, grid, flex, spacing helpers
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (max-width: 600px) {
  .container {
    padding-inline: var(--space-4);
  }
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* As many equal columns as fit, no media queries needed. */
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

/* Sidebar + main content page layout. */
.layout-sidebar {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

@media (max-width: 800px) {
  .layout-sidebar { grid-template-columns: minmax(0, 1fr); }
}

.flex {
  display: flex;
}

.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; min-width: 0; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }

/* Vertical rhythm between direct children. */
.stack > * + * { margin-top: var(--space-4); }

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

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.w-full { width: 100%; }

/* Small uppercase label above a heading. */
.eyebrow {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-muted);
}

/* Visually hidden, still announced by screen readers. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}