.hall-calendar-section {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(520px, 1.22fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
  background: #eef3ef;
  scroll-margin-top: 7rem;
}

.hall-calendar-mobile-cta { display: none; }

.hall-calendar-intro { position: sticky; top: 8rem; }
.hall-calendar-intro h2 { margin: .2rem 0 1rem; }
.hall-calendar-intro > p:not(.eyebrow) { max-width: 42rem; }
.hall-calendar-facts { display: grid; gap: .65rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.hall-calendar-facts li { display: flex; align-items: center; gap: .7rem; color: #214c40; font-weight: 700; }
.hall-calendar-facts li::before { content: '✓'; display: grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: #d9ebe3; color: #0b6b52; }

.hall-calendar-card {
  border: 1px solid #d5ded8;
  border-radius: 20px;
  background: #fffdf9;
  padding: clamp(1rem, 3vw, 2rem);
  box-shadow: 0 18px 45px rgba(30, 62, 51, .08);
}

.hall-calendar-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.hall-calendar-head strong { color: #163f34; font: 700 1.2rem/1.2 Georgia, serif; }
.hall-calendar-nav { display: flex; gap: .45rem; }
.hall-calendar-nav button { width: 2.5rem; height: 2.5rem; border: 1px solid #cfd8d2; border-radius: 50%; background: #fff; color: #0b654e; font: 800 1.2rem/1 system-ui; cursor: pointer; }
.hall-calendar-nav button:disabled { opacity: .35; cursor: default; }
.hall-calendar-weekdays, .hall-calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: .35rem; }
.hall-calendar-weekdays { margin-bottom: .35rem; color: #66746d; font-size: .72rem; font-weight: 800; text-align: center; }
.hall-calendar-day { aspect-ratio: 1; min-height: 3rem; border: 1px solid #dbe3de; border-radius: 10px; background: #edf7f2; color: #16483a; font: 750 .9rem/1 system-ui; cursor: pointer; }
.hall-calendar-day:hover, .hall-calendar-day:focus-visible { outline: 2px solid #0b6b52; outline-offset: 1px; }
.hall-calendar-day.is-blocked { background: #f3ded9; border-color: #e2b8ae; color: #8a382c; cursor: not-allowed; }
.hall-calendar-day.is-past { background: #f2f1ee; color: #9a9d99; cursor: default; }
.hall-calendar-day.is-empty { visibility: hidden; }
.hall-calendar-day.is-selected { background: #0b6b52; border-color: #0b6b52; color: #fff; }
.hall-calendar-legend { display: flex; flex-wrap: wrap; gap: .8rem 1.2rem; margin: 1rem 0 0; color: #52635b; font-size: .82rem; }
.hall-calendar-legend span { display: flex; align-items: center; gap: .42rem; }
.hall-calendar-legend i { width: .85rem; height: .85rem; border-radius: 3px; background: #edf7f2; border: 1px solid #dbe3de; }
.hall-calendar-legend .blocked i { background: #f3ded9; border-color: #e2b8ae; }
.hall-calendar-selection { margin-top: 1.1rem; padding: 1rem; border-radius: 12px; background: #f5f0e6; }
.hall-calendar-selection strong { color: #153f33; }
.hall-calendar-selection p { margin: .35rem 0 .8rem; }
.hall-calendar-selection a { display: inline-flex; border-radius: 999px; background: #0b6b52; color: #fff; padding: .7rem 1rem; font-weight: 800; text-decoration: none; }
.hall-calendar-note { margin: 1rem 0 0; color: #68746e; font-size: .8rem; }
.hall-calendar-error { padding: 1rem; border-radius: 10px; background: #f7e4df; color: #7f3026; }

@media (max-width: 980px) {
  .hall-calendar-section { grid-template-columns: 1fr; }
  .hall-calendar-intro { position: static; }
}

@media (max-width: 700px) {
  .hall-showcase-actions {
    display: grid !important;
    grid-template-columns: 1fr !important;
  }
  .hall-showcase-actions .button { width: 100%; justify-content: center; }
  .hall-calendar-trigger { display: none !important; }
  .hall-calendar-mobile-cta {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: .8rem;
    margin: 1rem 0 1.25rem;
    padding: 1rem;
    border-radius: 14px;
    background: #0b654e;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(11, 101, 78, .18);
  }
  .hall-calendar-mobile-cta > span:first-child {
    display: grid;
    place-items: center;
    width: 2.7rem;
    height: 2.7rem;
    border-radius: 50%;
    background: rgba(255,255,255,.14);
    font-size: 1.25rem;
  }
  .hall-calendar-mobile-cta strong,
  .hall-calendar-mobile-cta small { display: block; }
  .hall-calendar-mobile-cta strong { font: 700 1rem/1.25 Georgia, serif; }
  .hall-calendar-mobile-cta small { margin-top: .18rem; color: rgba(255,255,255,.82); font-size: .75rem; }
  .hall-calendar-mobile-cta b { font-size: 1.2rem; }
  .hall-calendar-section { gap: 1.35rem; scroll-margin-top: 5.5rem; }
  .hall-calendar-intro h2 { font-size: clamp(2rem, 11vw, 3rem); }
  .hall-calendar-facts { margin-top: 1rem; gap: .45rem; }
  .hall-calendar-facts li { font-size: .9rem; }
}

@media (max-width: 520px) {
  .hall-calendar-section {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    padding-top: 3.2rem !important;
    padding-bottom: 3.2rem !important;
  }
  .hall-calendar-card { padding: .85rem; border-radius: 14px; }
  .hall-calendar-head strong { font-size: 1.05rem; }
  .hall-calendar-weekdays, .hall-calendar-grid { gap: .2rem; }
  .hall-calendar-day { min-height: 2.45rem; border-radius: 7px; font-size: .78rem; }
  .hall-calendar-selection a { width: 100%; justify-content: center; text-align: center; }
}