/* ============================================================
   Layout — Containers, Grid, Responsive
   ============================================================ */

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

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

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

/* Section spacing */
.section {
  padding-block: var(--space-3xl);
}

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

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

/* Flex utilities */
.flex {
  display: flex;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

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

.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); }

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

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

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

.grid-4 {
  grid-template-columns: 1fr;
}

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

/* Section headings */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 650px;
  line-height: var(--leading-relaxed);
}

.section-subtitle.centered {
  margin-inline: auto;
}

/* ---- Responsive ---- */

@media (min-width: 480px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-4xl);
  }

  .section-title {
    font-size: var(--text-3xl);
  }

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

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-2xl);
  }

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

  .section-title {
    font-size: var(--text-4xl);
  }
}