/* ============================================================
   LAYOUT — Container, sections, grid/flex utilities
   ============================================================ */

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-sm { max-width: 860px; }
.container-lg { max-width: 1400px; }


/* --- Section variants --- */
.section {
  position: relative;
  padding: var(--section-y) 0;
  overflow: hidden;
}

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

.section.light-alt {
  background: var(--bg-gray);
  color: var(--text-dark);
}

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


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

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }


/* --- Flex utilities --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }


/* --- Text alignment --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }


/* --- Spacing --- */
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }


/* --- Wave divider (hidden by default) --- */
.wave-divider { display: none; }


/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .section { padding: var(--section-y-md) 0; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-md); }
  .grid-5, .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .section { padding: var(--section-y-sm) 0; }
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
}

@media (max-width: 480px) {
  .grid-5, .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .container { padding: 0 var(--space-md); }
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
  .section { padding: var(--space-2xl) 0; }
  .section-desc { font-size: var(--text-base); margin-bottom: var(--space-xl); }
  .section-badge { font-size: 0.65rem; padding: 4px 12px; }
  .mb-3xl { margin-bottom: var(--space-xl); }
}

@media (max-width: 360px) {
  .container { padding: 0 12px; }
  h1 { font-size: var(--text-2xl); }
  h2 { font-size: var(--text-xl); }
}