/* Layout Utilities */
.container {
  width: 100%;
  padding: 0 var(--space-md);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 960px;
  }
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

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

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr); /* 2 columns on tablet */
  }
}

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

/* Spacing Helpers */
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

/* Visibility */
.hide-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: block;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Text Alignment */
.text-center { 
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%; /* Override element specific max-width if needed, or ensure centering works */
}
.text-right { text-align: right; }

/* Warnings/Caveats */
.caveat {
  background: #fff3f3;
  border-left: 4px solid var(--color-warning);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.caveat h4 {
  color: var(--color-warning);
  margin-bottom: var(--space-xs);
}