.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 6rem);
}

.section-padding {
  padding: clamp(5rem, 10vh, 10rem) 0;
}

.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;
  justify-content: center;
  align-items: center;
}

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

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .section-padding { padding: clamp(4rem, 8vh, 6rem) 0; }
}

/* Visibility classes */
.hide-mobile { @media (max-width: 768px) { display: none !important; } }
.show-mobile { display: none; @media (max-width: 768px) { display: block !important; } }