.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section.full-height {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.section.dark-section p {
  color: var(--color-text-inverse-sec);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

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

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

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

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.text-center { text-align: center; }

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

@media (max-width: 768px) {
  .container { padding: 0 var(--space-md); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: var(--space-lg); }
  .section { padding: calc(var(--space-section) * 0.7) 0; }
}