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

.section {
  padding: var(--section-pad);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header p {
  max-width: 600px;
  margin: 1rem auto 0;
  font-size: var(--fs-md);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

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

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

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-header { margin-bottom: 2.5rem; }
}