/* sections/relations.css
   Relaciones entre entidades — rediseño visual completo
   - Cards anchas, iconos grandes, colores acento por card
   - Conectores animados entre cards
   - Glassmorphism intenso
*/

/* Contenedor sección (por si se usa) */
.relations-section {
  padding: 60px 6% 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cfd8ff;
}

/* Contenedor interno */
.relations-container {
  max-width: 1400px;
  width: 100%;
  text-align: center;
}

/* Título — gradiente consistente */
.relations-section h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 68px;
  background: linear-gradient(90deg, #00eaff, #7b2bff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
  position: relative;
  display: inline-block;
}

/* Línea decorativa del título */
.relations-section h2::after {
  content: "";
  display: block;
  height: 4px;
  width: 820px;
  margin: 12px auto 0;
  border-radius: 8px;
  background: linear-gradient(90deg, transparent, #00eaff, #7b2bff, #00eaff, transparent);
  filter: drop-shadow(0 0 12px rgba(0, 234, 255, .25));
  animation: titlePulse 4s ease-in-out infinite;
}

@keyframes titlePulse {
  0%, 100% {
    opacity: .65;
    transform: translateY(0);
    width: 320px;
  }
  50% {
    opacity: 1;
    transform: translateY(-3px);
    width: 820px;
  }
}

/* Intro */
.relations-intro {
  max-width: 950px;
  margin: 28px auto 60px;
  line-height: 1.6;
  font-size: 22px;
  color: #cfd8ff;
}

/* =============================================
   GRID — columna vertical de cards grandes
   con conectores animados entre ellas
   ============================================= */
.relations-grid {
  display: flex;
  flex-direction: column;
  gap: 0;                   /* gap manejado por los conectores */
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 10px 10px 0;
}

/* =============================================
   CONECTOR ANIMADO entre cards (excepto última)
   ============================================= */
.relation-card:not(:last-child)::after {
  content: "";
  display: block;
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 32px;
  background: linear-gradient(
    180deg,
    rgba(0, 234, 255, 0.55) 0%,
    rgba(123, 43, 255, 0.55) 100%
  );
  border-radius: 2px;
  animation: connectorPulse 2.4s ease-in-out infinite;
  z-index: 3;
}

@keyframes connectorPulse {
  0%, 100% { opacity: 0.45; height: 32px; }
  50%       { opacity: 1;    height: 32px; box-shadow: 0 0 10px #00eaff, 0 0 22px #7b2bff; }
}

/* =============================================
   CARD BASE — grande, impactante
   ============================================= */
.relation-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1100px;
  background: rgba(8, 10, 38, 0.72);
  border: 1px solid rgba(0, 234, 255, 0.22);
  border-left: 5px solid rgba(0, 234, 255, 0.7);   /* acento izquierdo — override por card */
  border-radius: 18px;
  padding: 32px 44px;
  margin-bottom: 32px;
  display: flex;
  flex-direction: row;
  align-items: center;
  text-align: left;
  gap: 0;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 234, 255, 0.07);
  backdrop-filter: blur(14px);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.relation-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.55),
    0 0 70px rgba(0, 234, 255, 0.2),
    0 0 120px rgba(123, 43, 255, 0.12);
}

/* ─── Acentos de color únicos por card ─── */
.relation-card:nth-child(1) {
  border-left-color: #00eaff;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 234, 255, 0.09),
    inset 4px 0 20px rgba(0, 234, 255, 0.04);
}
.relation-card:nth-child(1):hover {
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.55),
    0 0 80px rgba(0, 234, 255, 0.28),
    inset 4px 0 30px rgba(0, 234, 255, 0.08);
}

.relation-card:nth-child(2) {
  border-left-color: #7b2bff;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(123, 43, 255, 0.09),
    inset 4px 0 20px rgba(123, 43, 255, 0.04);
}
.relation-card:nth-child(2):hover {
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.55),
    0 0 80px rgba(123, 43, 255, 0.28),
    inset 4px 0 30px rgba(123, 43, 255, 0.08);
}

.relation-card:nth-child(3) {
  border-left-color: #00ff88;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 255, 136, 0.09),
    inset 4px 0 20px rgba(0, 255, 136, 0.04);
}
.relation-card:nth-child(3):hover {
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.55),
    0 0 80px rgba(0, 255, 136, 0.28),
    inset 4px 0 30px rgba(0, 255, 136, 0.08);
}

/* ─── Izquierda: icono + entidades + flecha ─── */
.relation-title {
  flex-shrink: 0;
  width: 340px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: "Orbitron", sans-serif;
  color: #e9fbff;
  font-size: 18px;
  letter-spacing: 0.04em;
  border-right: 1px solid rgba(0, 234, 255, 0.18);
  padding-right: 36px;
  margin-right: 36px;
}

/* Icono grande */
.relation-icon {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 58px;
  height: 58px;
  border-radius: 14px;
  font-size: 28px;
  background: linear-gradient(
    145deg,
    rgba(0, 234, 255, 0.12),
    rgba(123, 43, 255, 0.07)
  );
  box-shadow:
    0 0 16px rgba(0, 234, 255, 0.35),
    0 0 34px rgba(123, 43, 255, 0.2);
  color: #00eaff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.relation-card:nth-child(2) .relation-icon {
  color: #b47aff;
  box-shadow:
    0 0 16px rgba(123, 43, 255, 0.4),
    0 0 34px rgba(123, 43, 255, 0.25);
}

.relation-card:nth-child(3) .relation-icon {
  color: #00ff88;
  box-shadow:
    0 0 16px rgba(0, 255, 136, 0.4),
    0 0 34px rgba(0, 255, 136, 0.2);
}

.relation-card:hover .relation-icon {
  transform: scale(1.15) rotate(-4deg);
}

/* Flecha animada */
.relation-arrow {
  margin: 0 8px;
  font-size: 22px;
  font-weight: 800;
  color: #00eaff;
  text-shadow:
    0 0 8px #00eaff,
    0 0 18px rgba(0, 234, 255, 0.7);
  animation: arrowPulse 1.8s infinite;
  flex-shrink: 0;
}

.relation-card:nth-child(2) .relation-arrow {
  color: #b47aff;
  text-shadow:
    0 0 8px #7b2bff,
    0 0 18px rgba(123, 43, 255, 0.7);
}

.relation-card:nth-child(3) .relation-arrow {
  color: #00ff88;
  text-shadow:
    0 0 8px #00ff88,
    0 0 18px rgba(0, 255, 136, 0.7);
}

@keyframes arrowPulse {
  0%   { transform: translateX(0)   scale(1);    }
  50%  { transform: translateX(5px) scale(1.12); }
  100% { transform: translateX(0)   scale(1);    }
}

/* ─── Centro: descripción ─── */
.relation-card p {
  flex: 1;
  margin: 0;
  color: #cfd8ff;
  font-size: 18px;
  line-height: 1.7;
}

/* ─── Derecha: badge tipo relación ─── */
.relation-type {
  flex-shrink: 0;
  margin: 0 0 0 32px;
  align-self: center;
  padding: 12px 26px;
  border-radius: 999px;
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: #eafcff;
  background: linear-gradient(
    135deg,
    rgba(0, 234, 255, 0.14),
    rgba(123, 43, 255, 0.1)
  );
  border: 1px solid rgba(0, 234, 255, 0.22);
  box-shadow:
    0 0 14px rgba(0, 234, 255, 0.18),
    inset 0 0 10px rgba(0, 234, 255, 0.04);
  text-shadow: 0 0 10px rgba(0, 234, 255, 0.5);
}

.relation-card:nth-child(2) .relation-type {
  background: linear-gradient(
    135deg,
    rgba(123, 43, 255, 0.14),
    rgba(0, 234, 255, 0.07)
  );
  border-color: rgba(123, 43, 255, 0.3);
  box-shadow:
    0 0 14px rgba(123, 43, 255, 0.22),
    inset 0 0 10px rgba(123, 43, 255, 0.05);
  text-shadow: 0 0 10px rgba(123, 43, 255, 0.6);
}

.relation-card:nth-child(3) .relation-type {
  background: linear-gradient(
    135deg,
    rgba(0, 255, 136, 0.12),
    rgba(0, 234, 255, 0.07)
  );
  border-color: rgba(0, 255, 136, 0.25);
  box-shadow:
    0 0 14px rgba(0, 255, 136, 0.2),
    inset 0 0 10px rgba(0, 255, 136, 0.04);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

/* Sin triángulo antiguo */
.relation-card::before {
  display: none;
}

/* Override reveal */
.relation-card.reveal.visible {
  transform: none;
}

.relation-card.reveal.visible:hover {
  transform: translateY(-6px) scale(1.01);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1000px) {
  .relation-card {
    flex-direction: column;
    text-align: center;
    padding: 28px 24px;
    max-width: 600px;
  }

  .relation-title {
    width: auto;
    border-right: none;
    border-bottom: 1px solid rgba(0, 234, 255, 0.18);
    padding-right: 0;
    padding-bottom: 18px;
    margin-right: 0;
    margin-bottom: 18px;
    justify-content: center;
  }

  .relation-type {
    margin: 16px 0 0;
  }

  .relation-card:not(:last-child)::after {
    bottom: -32px;
  }
}