/* ============================================
   EVENT COUNTDOWN - Metodología BEM
   ============================================ */

.event-countdown {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  padding: 40px;
  margin: 48px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.event-countdown__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #475569;
  text-align: center;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.event-countdown__timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.event-countdown__unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 90px;
}

.event-countdown__value {
  font-size: 3.5rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, #0f172a 0%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.event-countdown__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.event-countdown__separator {
  font-size: 2.5rem;
  font-weight: 700;
  color: #cbd5e1;
  line-height: 1;
  margin: 0 4px;
}

.event-countdown__message {
  font-size: 1.5rem;
  font-weight: 700;
  color: #16a34a;
  text-align: center;
  margin-top: 24px;
  padding: 16px;
  background: #dcfce7;
  border-radius: 12px;
  display: none;
}

.event-countdown__message:not(:empty) {
  display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
  .event-countdown {
    padding: 32px 20px;
    margin: 32px 0;
  }

  .event-countdown__title {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .event-countdown__timer {
    gap: 12px;
  }

  .event-countdown__unit {
    min-width: 70px;
  }

  .event-countdown__value {
    font-size: 2.5rem;
  }

  .event-countdown__label {
    font-size: 0.75rem;
  }

  .event-countdown__separator {
    font-size: 2rem;
    margin: 0 2px;
  }

  .event-countdown__message {
    font-size: 1.125rem;
    padding: 12px;
  }
}

/* ============================================
   CONGRESS V2 COUNTDOWN - Hero Style
   ============================================ */

.app-congress-v2-countdown-box {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
    padding: 1.6rem 1.4rem;
    backdrop-filter: blur(12px);
    text-align: center;
    font-family: system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
}

.app-congress-v2-cd-label {
    font-size: .68rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255,255,255,.45);
    margin-bottom: 1rem;
}

.app-congress-v2-cd-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .5rem;
}

.app-congress-v2-cd-unit {
    background: rgba(255,255,255,.07);
    border-radius: 10px;
    padding: .8rem .3rem .5rem;
    border: 1px solid rgba(255,255,255,.07);
}

.app-congress-v2-cd-num {
    display: block;
    font-size: 1.85rem;
    color: #ffffff;
    line-height: 1;
    font-weight: 700;
}

.app-congress-v2-cd-name {
    display: block;
    font-size: .6rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.4);
    margin-top: .3rem;
}

.app-congress-v2-cd-message {
    font-size: 1rem;
    font-weight: 600;
    color: #10b981;
    margin-top: 1rem;
    padding: .75rem;
    background: rgba(16,185,129,.15);
    border-radius: 8px;
    display: none;
}

.app-congress-v2-cd-message:not(:empty) {
    display: block;
}

@media (max-width: 768px) {
    .app-congress-v2-cd-num {
        font-size: 1.5rem;
    }
    
    .app-congress-v2-countdown-box {
        padding: 1.2rem 1rem;
    }
}