/* ============================================
   AGENDA
   ============================================ */
.agenda {
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(8, 94, 104, 0.35), transparent 70%),
    radial-gradient(ellipse 50% 40% at 0% 60%, rgba(234, 64, 118, 0.06), transparent 70%);
}
.agenda::before {
  content: "";
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.3), transparent);
}

/* Bookends — Pre-evento (24 Nov) y Cierre (26 Nov noche).
   Dos chips sutiles arriba de los tabs para anclar el evento entre el
   Welcome Cocktail y la Official After Party. */
.agenda__bookends {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 720px;
  margin: 0 auto 36px;
}
.agenda__bookend {
  background: rgba(18, 18, 18, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: border-color 0.3s var(--ease-out);
}
.agenda__bookend:hover { border-color: var(--c-cyan); }
.agenda__bookend .tag { margin-bottom: 6px; }
.agenda__bookend h4 {
  font-family: var(--f-display);
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}
@media (max-width: 560px) {
  .agenda__bookends { grid-template-columns: 1fr; }
}

.tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 18px 26px;
  background: rgba(18, 18, 18, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease-out);
  min-width: 200px;
  flex: 1 1 auto;
}
.tab:hover { border-color: var(--c-pink); }
.tab.is-active {
  background: var(--c-base);
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 1px var(--c-cyan), 0 14px 30px -14px rgba(0, 229, 255, 0.5);
}
.tab__day {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin-bottom: 4px;
  font-weight: 600;
}
.tab__title {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 600;
}

.tab-panel { display: none; animation: fade-up 0.6s var(--ease-out); }
.tab-panel.is-active { display: block; }

.agenda__intro {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.agenda__focus {
  font-family: var(--f-display);
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 12px;
  color: var(--c-pink);
}
.agenda__intro p { color: var(--c-muted); }

.schedule {
  list-style: none;
  max-width: 880px;
  margin: 0 auto 80px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.schedule__item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  padding: 24px 28px;
  background: rgba(18, 18, 18, 0.62);
  backdrop-filter: blur(10px) saturate(130%);
  -webkit-backdrop-filter: blur(10px) saturate(130%);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.schedule__item:hover {
  transform: translateX(6px);
  border-color: var(--c-pink);
  background: rgba(234, 64, 118, 0.04);
}
.schedule__item--keynote {
  border-color: var(--c-cyan);
  background: linear-gradient(135deg, rgba(0,229,255,0.06), transparent 60%);
}
.schedule__item--end {
  background: rgba(8, 94, 104, 0.4);
}
.schedule__time {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}
.schedule__body h4 {
  font-family: var(--f-display);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 6px;
}
.schedule__body p {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.6;
}
.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--c-line-strong);
  color: var(--c-muted);
  margin-bottom: 10px;
}
.tag--keynote { background: var(--c-cyan-soft); color: var(--c-cyan); border-color: rgba(0,229,255,0.4); }
.tag--workshop { background: rgba(234,64,118,0.15); color: var(--c-pink); border-color: rgba(234,64,118,0.4); }

@media (max-width: 760px) {
  .tab { min-width: 0; flex: 1 1 calc(50% - 6px); padding: 16px 18px; }
}

@media (max-width: 640px) {
  .schedule__item { grid-template-columns: 1fr; gap: 8px; padding: 20px; }
  .schedule__time { font-size: 18px; }
}