/* ==========================================================================
   Event Catalogue — page-specific styles.
   Relies entirely on the root design tokens (variables.css) and shared
   base/layout/component classes from the main site — this file only adds
   what's new: the catalogue grid, status badges, and the detail-page layout.
   ========================================================================== */

/* ---------- Page header (used on both pages) ------------------------------ */
.page-header {
  padding: 3.5rem var(--content-pad) 2.5rem;
  max-width: var(--content-width);
  margin: 0 auto;
}
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  color: var(--mist);
  margin-bottom: 1.25rem;
}
.breadcrumb:hover { color: var(--cyan); }

/* ---------- Filter bar ----------------------------------------------------- */
.events-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--content-pad) 2.5rem;
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.events-search {
  flex: 0 1 260px;
  min-width: 200px;
}
.events-search input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  background: var(--panel);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  color: var(--white);
}

/* ---------- Catalogue grid -------------------------------------------------- */
.events-grid {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--content-pad) 5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.event-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast) var(--ease-out);
}
.event-card:hover {
  border-color: var(--hairline-strong);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-3px);
}
.event-card-poster {
  position: relative;
  aspect-ratio: 3/2;
}
.event-card-poster svg { width: 100%; height: 100%; display: block; }

.status-badge {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  backdrop-filter: blur(6px);
}
.status-badge--upcoming { background: var(--cyan-dim); color: var(--cyan); border: 1px solid rgba(var(--cyan-rgb, 95, 224, 214), 0.4); }
.status-badge--ongoing { background: var(--teal-deep-dim); color: var(--white); border: 1px solid var(--hairline-strong); }
.status-badge--ongoing::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  margin-right: 0.4rem;
  animation: pulseNode 1.8s ease-in-out infinite;
}
.status-badge--archive { background: rgba(199,211,214,0.1); color: var(--mist); border: 1px solid var(--hairline-strong); }

.track-chip {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: var(--fs-2xs);
  background: rgba(10, 18, 26, 0.55);
  color: var(--white);
  border: 1px solid var(--hairline-strong);
  backdrop-filter: blur(6px);
}

.event-card-body {
  padding: 1.4rem 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.event-card-body h3 { margin: 0; font-size: var(--fs-md); }
.event-card-tagline { font-size: var(--fs-sm); color: var(--mist); margin: 0; }
.event-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: var(--fs-xs);
  color: var(--mist);
  margin: 0.2rem 0 0.4rem;
}
.event-meta-row span { display: inline-flex; align-items: center; gap: 0.35rem; }
.event-card-cta {
  margin-top: auto;
  padding-top: 0.6rem;
}
.event-card-cta .btn { width: 100%; }

.events-empty {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem var(--content-pad) 6rem;
  text-align: center;
  color: var(--mist);
}

/* ============================================================================
   DETAIL PAGE
   ========================================================================== */

.event-hero {
  position: relative;
  border-bottom: 1px solid var(--hairline);
}
.event-hero-poster {
  aspect-ratio: 16/6;
  min-height: 220px;
  overflow: hidden;
}
.event-hero-poster svg { width: 100%; height: 100%; display: block; }
.event-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(180deg, rgba(10,18,26,0.05) 0%, rgba(10,18,26,0.92) 100%);
}
.event-hero-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--content-pad) 2rem;
  width: 100%;
}
.event-hero-badges {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}
.event-hero-content h1 { max-width: 34ch; margin-bottom: 0.4rem; }
.event-hero-tagline { font-size: var(--fs-md); max-width: 50ch; margin: 0; }

.event-body {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 3rem var(--content-pad) 5rem;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
}

.event-main section { margin-bottom: 2.75rem; }
.event-main section:last-child { margin-bottom: 0; }
.event-main h2 { font-size: var(--fs-lg); margin-bottom: 0.9rem; }

.highlight-list, .bullet-list {
  display: grid;
  gap: 0.55rem;
}
.highlight-list li, .bullet-list li {
  padding-left: 1.5rem;
  position: relative;
  font-size: var(--fs-sm);
}
.highlight-list li::before, .bullet-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.5em;
  width: 7px; height: 7px;
  background: var(--cyan);
  border-radius: 50%;
}

/* Curriculum accordion */
.accordion { border-top: 1px solid var(--hairline); }
.accordion-item { border-bottom: 1px solid var(--hairline); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0.2rem;
  text-align: left;
  color: var(--white);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
}
.accordion-trigger-icon {
  flex: none;
  width: 20px; height: 20px;
  position: relative;
}
.accordion-trigger-icon::before,
.accordion-trigger-icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--dur-fast) var(--ease-out);
}
.accordion-trigger-icon::before { top: 9px; left: 2px; width: 16px; height: 2px; }
.accordion-trigger-icon::after { top: 2px; left: 9px; width: 2px; height: 16px; }
.accordion-item.is-open .accordion-trigger-icon::after { transform: rotate(90deg); opacity: 0; }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-mid) var(--ease-out);
}
.accordion-item.is-open .accordion-panel { max-height: 480px; }
.accordion-panel-inner { padding: 0 0.2rem 1.2rem; }

/* FAQ */
.faq-item { padding: 1rem 0; border-bottom: 1px solid var(--hairline); }
.faq-item h4 { margin: 0 0 0.4rem; font-size: var(--fs-sm); color: var(--white); }
.faq-item p { margin: 0; font-size: var(--fs-sm); }

/* ---------- Sidebar --------------------------------------------------------- */
.event-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  display: grid;
  gap: 1.25rem;
}
.sidebar-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 1.4rem 1.5rem;
}
.sidebar-card h4 {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mist);
  margin: 0 0 0.7rem;
}
.fact-row {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.5rem 0;
  font-size: var(--fs-sm);
}
.fact-row:not(:last-child) { border-bottom: 1px solid var(--hairline); }
.fact-row strong { color: var(--white); display: block; font-weight: 600; }
.fact-row span { color: var(--mist); }
.fact-icon { flex: none; color: var(--cyan); margin-top: 0.15rem; }

.seats-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--hairline);
  overflow: hidden;
  margin: 0.6rem 0 0.4rem;
}
.seats-bar-fill { height: 100%; background: var(--cyan); border-radius: 999px; }
.seats-note { font-size: var(--fs-xs); color: var(--mist); }

.fee-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  font-size: var(--fs-sm);
}
.fee-row:not(:last-child) { border-bottom: 1px solid var(--hairline); }
.fee-row span:last-child { color: var(--cyan); font-family: var(--font-display); }
.fee-note { font-size: var(--fs-xs); color: var(--mist); margin-top: 0.6rem; }

.register-cta { width: 100%; margin-top: 0.5rem; }
.register-cta[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

.important-note {
  border: 1px solid rgba(95, 224, 214, 0.35);
  background: var(--cyan-dim);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.3rem;
  font-size: var(--fs-sm);
  color: var(--white);
}

/* Countdown */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  text-align: center;
  margin-top: 0.3rem;
}
.countdown-unit { display: grid; gap: 0.2rem; }
.countdown-num {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--white);
}
.countdown-label { font-size: var(--fs-2xs); color: var(--mist); text-transform: uppercase; letter-spacing: 0.04em; }

.contact-card + .contact-card { margin-top: 0.9rem; padding-top: 0.9rem; border-top: 1px solid var(--hairline); }
.contact-card strong { display: block; color: var(--white); }
.contact-card span { display: block; font-size: var(--fs-xs); color: var(--mist); }
.contact-card a { color: var(--cyan); font-size: var(--fs-xs); }

.gallery-crosslink {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  color: var(--cyan);
  margin-top: 0.5rem;
}

@media (max-width: 960px) {
  .event-body { grid-template-columns: 1fr; }
  .event-sidebar { position: static; }
}

@media (max-width: 560px) {
  .events-filters { flex-direction: column; align-items: stretch; }
  .events-search { flex: 1 1 auto; }
  .countdown { grid-template-columns: repeat(4, 1fr); gap: 0.35rem; }
}