.links-app {
  display: grid;
  grid-template-areas:
    "header header"
    "side center"
    "side code";
  grid-template-columns: 280px 1fr 320px;
  grid-template-rows: auto 1fr;
  gap: 20px;
  min-height: calc(100vh - 120px);
}

.links-main {
  display: contents;
}

.links-side {
  grid-area: side;
  height: fit-content;
  position: sticky;
  top: 20px;
}

.links-center {
  grid-area: center;
}

.links-code {
  grid-area: code;
  height: fit-content;
  position: sticky;
  top: 20px;
}

.links-viz {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.link-demo {
  background: var(--surface-solid);
  padding: 25px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  text-align: center;
  width: 100%;
  max-width: 500px;
}

.link-demo a {
  display: inline-block;
  margin: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.3s;
  font-weight: 600;
}

.link-demo a.primary {
  background: var(--accent);
  color: white;
}

.link-demo a.primary:hover {
  background: var(--accent-hover);
}

.link-demo a.secondary {
  background: var(--info);
  color: var(--bg-page);
}

.link-demo a.secondary:hover {
  filter: brightness(1.1);
}

.link-demo a.outline {
  background: transparent;
  border: 2px solid var(--success);
  color: var(--success);
}

.link-demo a.outline:hover {
  background: var(--success);
  color: white;
}

@media (max-width: 1024px) {
  .links-app {
    grid-template-areas:
      "header"
      "side"
      "center"
      "code";
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
  }
  
  .links-side,
  .links-center,
  .links-code {
    position: static;
  }
}