/* ============================================
   ACORDEÓN SER — versión con preview
   ============================================ */

.ser-acordeon {
  border-bottom: 1px solid rgba(10, 10, 10, 0.08);
}

/* Trigger: título + preview a la izquierda, flecha a la derecha */
.ser-acordeon-trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
  cursor: pointer;
  list-style: none;
}
.ser-acordeon-trigger::-webkit-details-marker { display: none; }

.ser-acordeon-cabecera {
  flex: 1;
  min-width: 0;
}

.ser-acordeon-titulo {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: #0a0a0a;
  margin-bottom: 0.6rem;
}

/* Preview: visible en estado cerrado */
.ser-acordeon-preview {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: #0a0a0a;
  margin: 0;
}

/* Flecha rosa, grande, rota al abrir */
.ser-acordeon-flecha {
  flex-shrink: 0;
  color: #E89BB8; /* rosa SER */
  transition: transform 0.3s ease;
  margin-top: 0.1rem;
}
.ser-acordeon[open] .ser-acordeon-flecha {
  transform: rotate(90deg);
}

/* Contenido extra (solo visible al abrir) */
.ser-acordeon-contenido {
  padding: 0 0 1.25rem 0;
  animation: ser-fade-in 0.3s ease;
}
.ser-acordeon-contenido p {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: #0a0a0a;
  margin: 0 0 0.8rem 0;
}
.ser-acordeon-contenido p:last-child { margin-bottom: 0; }

@keyframes ser-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}