/* ==========================================================================
   Sección: Caso de Estudio (Case Study / Results)
   ========================================================================== */

.case-study {
  padding: 10rem 1.5rem; /*10 rem para darle mas aire a la sección, decisión meramente estética*/

  color: var(--color-text-light);
}

.case-study__container {
      background-color: var(--color-border-subtle);
  max-width: 52rem; /* 832px - Contenedor más angosto para óptima legibilidad de lectura larga */
  margin: 0 auto;
  padding: 5rem;
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  gap: 4rem; /* Separación entre header, body y footer */
}

/* Encabezado Principal */
.case-study__header {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.case-study__title {
  font-size: clamp(1.25rem, 1.1rem + 1vw, 1.625rem);
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

.case-study__desc {
  font-size: clamp(0.9375rem, 0.9rem + 0.3vw, 1.0625rem);
  font-weight: 500;
  color: var(--color-text-white); /* Texto principal más contrastante */
  line-height: 1.6;
}

/* Cuerpo del Caso */
.case-study__body {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.case-study__subtitle {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.case-study__heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.case-study__text {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-soft);
  line-height: 1.6;
}

/* Divisores Horizontales */
.case-study__divider {
  border: none;
  height: 1px;
  background-color: var( --color-bg-dark);
  width: 100%;
  margin: 0;
}

/* Grilla (Desafío / Análisis) */
.case-study__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
}

/* Listas (Metodología e Impacto) */
.case-study__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

/* Variante: Metodología */
.case-study__list--method li {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-soft);
  line-height: 1.6;
}

.case-study__list--method strong {
  color: var(--color-text-white);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* Variante: Impacto (con separador vertical) */
.case-study__list--impact li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.case-study__list--impact li::before {
  content: "|";
  position: absolute;
  left: 0;
  top: -0.0625rem;
  font-weight: bold;
  color: var(--color-text-white);
}

/* Footer / Conclusión */
.case-study__conclusion {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 0.05em;
  line-height: 1.6;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 48rem) { /* 768px */
  .case-study__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .case-study__container {
    gap: 3rem;
    padding: 2.5rem;
  }
}