/* ============================================================
   DCS S.A. — Casos de Éxito
   ============================================================ */

/* ── FILTER BAR ── */

.casos-section {
  background: var(--color-bg-lighter);
  padding-block: var(--space-15);
}

.filter-bar {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-group__label {
  font-size: var(--text-label);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 80px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: transparent;
  font-family: var(--font-family);
  font-size: var(--text-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base);
  white-space: nowrap;
}

.filter-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}

.filter-divider {
  width: 100%;
  height: 1px;
  background: var(--color-border-light);
}

/* ── CARDS GRID ── */

.casos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: start;
}

/* ── CARD ── */

.caso-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth),
    border-color var(--transition-base);
  cursor: default;
}

.caso-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(118, 209, 59, 0.30);
}

/* Ocultar al filtrar */
.caso-card--hidden {
  display: none;
}

.caso-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4) 0;
}

.caso-card__body {
  padding: var(--space-3) var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.caso-card__foot {
  padding: var(--space-3) var(--space-4) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border-top: 1px solid var(--color-border-light);
  margin-top: auto;
}

.caso-card__client {
  font-size: var(--text-small);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

.caso-card__title {
  font-size: 17px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1.35;
  letter-spacing: var(--letter-spacing-heading);
  margin: 0;
}

.caso-card__excerpt {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* Solution tags dentro de la card */
.caso-card__solutions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

/* CTA en la card */
.caso-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-family);
  font-size: var(--text-small);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--transition-base),
    color var(--transition-base);
}

.caso-card__btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-base);
}

.caso-card__btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.caso-card__btn:hover svg {
  transform: translateX(3px);
}

/* ── INDUSTRY TAGS ── */

.caso-period {
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.caso-industry-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.caso-industry-tag--gobierno {
  background: rgba(27, 94, 42, 0.10);
  color: #1B5E2A;
}
.caso-industry-tag--salud {
  background: rgba(0, 100, 115, 0.10);
  color: #006473;
}
.caso-industry-tag--educacion {
  background: rgba(74, 50, 120, 0.10);
  color: #4A3278;
}
.caso-industry-tag--servicios {
  background: rgba(154, 90, 5, 0.10);
  color: #9A5A05;
}
.caso-industry-tag--industria {
  background: rgba(27, 70, 130, 0.10);
  color: #1B4682;
}
.caso-industry-tag--infraestructura {
  background: rgba(55, 65, 80, 0.10);
  color: #374150;
}
.caso-industry-tag--neutral {
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
}

/* Solution tags pequeños en el footer de la card */
.caso-solution-tag {
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  background: var(--color-bg-light);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-light);
  white-space: nowrap;
}

/* ── NO RESULTS ── */

.casos-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-12) var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.casos-no-results__icon {
  width: 56px;
  height: 56px;
  color: var(--color-border);
  margin: 0 auto;
}

.casos-no-results p {
  font-size: var(--text-body);
  color: var(--color-text-muted);
}

/* ── MODAL ── */

.caso-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  /* Visibility controlled via aria-hidden + class */
  visibility: hidden;
  pointer-events: none;
}

.caso-modal.is-open {
  visibility: visible;
  pointer-events: all;
}

.caso-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.60);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.caso-modal.is-open .caso-modal__backdrop {
  opacity: 1;
}

.caso-modal__container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 800px;
  max-height: calc(100vh - var(--space-6));
  overflow-y: auto;
  border-radius: var(--radius-xl);
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.97);
  opacity: 0;
  transition:
    transform var(--transition-smooth),
    opacity var(--transition-smooth);
}

.caso-modal.is-open .caso-modal__container {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.caso-modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  z-index: 2;
  transition:
    background var(--transition-base),
    color var(--transition-base);
}

.caso-modal__close:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
}

.caso-modal__close svg {
  width: 18px;
  height: 18px;
}

/* ── MODAL DETAIL CONTENT ── */

.caso-detail__header {
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.caso-detail__header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.caso-detail__title {
  font-size: var(--text-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-heading);
  line-height: 1.25;
  margin-bottom: var(--space-1);
}

.caso-detail__client-line {
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.caso-detail__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.caso-detail__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.caso-detail__section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-label);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.caso-detail__section-label svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.caso-detail__section p {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
  margin: 0;
}

/* Resultado: bloque destacado */
.caso-detail__section--result {
  background: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-3) var(--space-4);
}

.caso-detail__section--result .caso-detail__section-label {
  color: var(--color-primary);
}

.caso-detail__section--result p {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.caso-detail__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.caso-detail__footer-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

/* ── RESPONSIVE ── */

@media (max-width: 1024px) {
  .casos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .filter-bar {
    padding: var(--space-2) var(--space-3);
  }
  .filter-group {
    gap: 8px;
  }
  .filter-group__label {
    min-width: unset;
    width: 100%;
  }
  .casos-grid {
    grid-template-columns: 1fr;
  }
  .caso-detail__header,
  .caso-detail__body {
    padding: var(--space-4) var(--space-3);
  }
  .caso-detail__footer {
    padding: var(--space-3);
    flex-direction: column;
    align-items: flex-start;
  }
  .caso-modal {
    align-items: flex-end;
    padding: 0;
  }
  .caso-modal__container {
    max-height: 92vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transform: translateY(100%);
  }
  .caso-modal.is-open .caso-modal__container {
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .filter-pill {
    font-size: 12px;
    padding: 5px 10px;
  }
}