.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.section {
  padding: var(--section-py) 0;
}

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

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

.section__header {
  text-align: center;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.section__label {
  display: inline-block;
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

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

.section__subtitle {
  margin-top: 16px;
  font-size: 18px;
  color: var(--color-text-light);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.section--dark .section__subtitle {
  color: var(--color-accent-light);
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-cards); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-cards); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-cards); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}