.container {
  width: min(var(--container-max), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;

  margin: 1rem 0 1.25rem 0;
}

.site-header .header-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

.header-actions{
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero {
  margin-bottom: 1rem;
}

.page-header {
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1rem 0 1.25rem 0;
}

/* 12열 스팬 규칙 제거(핵심) */
.card{
  grid-column: auto;
}

@media (min-width: 720px){
  .grid{ grid-template-columns: repeat(3, 1fr); } /* 태블릿 2열 */
}

@media (min-width: 980px){
  .grid{ grid-template-columns: repeat(3, 1fr); } /* 데스크탑 4열 */
}

.site-footer {
  margin: 1.25rem 0 1rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 640px){
  .site-header .header-inner{
    flex-wrap: wrap;
    align-items: flex-start;
  }
}