/* Compact one-screen mobile layout */
@media (max-width: 600px) {
  html, body, .page-shell, .card { height: 100svh; overflow: hidden; }
  .card { min-height: 0; padding-bottom: 0; display: flex; flex-direction: column; }
  .topbar { height: 72px; padding: 10px 18px; border-radius: 0 0 28px 28px; }
  .site-name { margin: 0; font-size: 19px; }
  .circle-button { width: 48px; height: 48px; }
  .close-button span { width: 26px; height: 4px; left: 9px; top: 20px; }
  .menu-button { gap: 4px; }
  .menu-button i { width: 5px; height: 5px; }
  .hero { padding: 28px 14px 9px; }
  .wordmark { font-size: clamp(42px, 13vw, 59px); letter-spacing: -5px; }
  .wordmark .oh { letter-spacing: -6px; margin-right: 8px; }
  .category { margin: 12px 0 10px; font-size: 13px; letter-spacing: 8px; }
  .neon-line { width: 50%; height: 3px; }
  .intro { margin-top: 9px; font-size: 11px; line-height: 1.35; }
  .link-list { flex: 1; min-height: 0; padding: 0 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(4, minmax(0, 1fr)); gap: 8px; }
  .link-card { min-height: 0; padding: 9px 9px; grid-template-columns: 31px 1fr 12px; column-gap: 5px; border-width: 2px; border-radius: 17px; }
  .link-card strong { font-size: 12px; letter-spacing: -.4px; line-height: 1.05; }
  .link-card small { font-size: 9px; line-height: 1.05; }
  .link-card em { font-size: 20px; }
  .icon, .star, .instagram, .kakao { font-size: 30px; }
  .link-card:last-child { grid-column: span 2; }
  footer { flex: 0 0 auto; margin-top: 10px; font-size: 10px; }
  footer p { margin: 0 0 6px; }
  footer span { font-size: 8px; letter-spacing: 3px; }
}

@media (max-width: 380px), (max-height: 680px) {
  .topbar { height: 60px; }
  .circle-button { width: 40px; height: 40px; }
  .site-name { font-size: 16px; }
  .hero { padding-top: 15px; padding-bottom: 6px; }
  .wordmark { font-size: 40px; }
  .intro { display: none; }
  .link-card { min-height: 52px; padding: 6px; }
  .link-card small { display: none; }
  .link-list { gap: 6px; }
  footer { margin-top: 6px; }
}