/* ============================================================
   Brouo Diagnóstico — S2 Cómo evaluamos cada caso
   Panel light. Tres tarjetas equivalentes (4/12 c/u en desktop)
   con fondo paper, bordes redondos y conector verde sutil entre
   ellas. Hover: la tarjeta se vuelve verde, el número pasa a
   negro y la tarjeta se eleva con sombra ligera.
   ============================================================ */

.sesion__inner {
  width: 100%;
}

.sesion__head {
  margin-bottom: var(--space-7);
}

.sesion__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}

.sesion__card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-5);
  background: var(--color-paper);
  border-radius: var(--radius-lg);
  transition:
    background 280ms var(--ease-out),
    transform 280ms var(--ease-out),
    box-shadow 280ms var(--ease-out);
}

/* Conector verde sutil entre tarjetas (sólo en gap, no atraviesa) */
.sesion__card::after {
  content: '';
  position: absolute;
  background: var(--color-accent);
  opacity: 0.45;
  pointer-events: none;
  /* Mobile: línea vertical en el gap inferior */
  top: 100%;
  left: calc(var(--space-5) + 0.75rem); /* alineada al centro del número */
  width: 1px;
  height: var(--space-7);
}

.sesion__card:last-child::after {
  display: none;
}

.sesion__num {
  font-size: 1.5rem; /* 24px — moderado, no protagonista */
  font-weight: var(--weight-bold);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-1);
  transition: color 280ms var(--ease-out);
}

.sesion__title {
  font-size: 1.5rem; /* 24px */
  font-weight: var(--weight-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin: 0;
  transition: color 280ms var(--ease-out);
}

.sesion__desc {
  font-size: 1rem;
  line-height: var(--lh-normal);
  color: var(--text-secondary);
  margin: 0;
  text-wrap: pretty;
  transition: color 280ms var(--ease-out);
}

.sesion__desc .r {
  vertical-align: 0.55em;
  font-size: 0.5em;
}

/* Hover ----------------------------------------------------- */
@media (hover: hover) {
  .sesion__card:hover {
    background: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 14px 28px rgba(35, 206, 107, 0.22);
  }

  .sesion__card:hover .sesion__num,
  .sesion__card:hover .sesion__title,
  .sesion__card:hover .sesion__desc {
    color: var(--color-ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sesion__card,
  .sesion__num,
  .sesion__title,
  .sesion__desc {
    transition: none;
  }
  .sesion__card:hover {
    transform: none;
  }
}

/* Tablet ---------------------------------------------------- */
@media (min-width: 768px) {
  .sesion__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  /* Conector horizontal en el gap derecho de cada tarjeta */
  .sesion__card::after {
    top: calc(var(--space-6) + 0.75rem); /* alineado al centro vertical del número */
    left: 100%;
    width: var(--space-6);
    height: 1px;
  }
}

/* Desktop --------------------------------------------------- */
@media (min-width: 1024px) {
  .sesion__head {
    margin-bottom: var(--space-8);
  }

  .sesion__grid {
    gap: var(--space-7);
  }

  .sesion__card {
    padding: var(--space-7) var(--space-5);
    gap: var(--space-4);
  }

  .sesion__card::after {
    top: calc(var(--space-7) + 0.875rem); /* desktop: número 28px → centro a 14px */
    width: var(--space-7);
  }

  .sesion__num {
    font-size: 1.75rem; /* 28px */
  }

  .sesion__title {
    font-size: 1.625rem; /* 26px */
  }

  .sesion__desc {
    font-size: 1.0625rem;
  }
}