.fx-case-study {
  padding-block: var(--fx-space-8);
  border-inline: 3px solid var(--fx-color-primary);
  background: var(--fx-color-surface-container);
}

.fx-case-study__section-head,
.fx-case-study__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--fx-space-3);
}

.fx-case-study__section-head {
  margin-bottom: var(--fx-space-4);
}

.fx-case-study__count {
  flex: 0 0 auto;
  color: var(--fx-color-outline);
}

.fx-case-study__id {
  flex: 0 0 auto;
  padding: var(--fx-space-1) var(--fx-space-2);
  background: var(--fx-color-surface-container-high);
}

/* Carrusel progresivo: sin JS los slides se apilan y todo el contenido
   permanece visible. `is-enhanced` lo añade JavaScript. */
.fx-case-study__carousel {
  display: grid;
  gap: var(--fx-space-3);
}

.fx-case-study__viewport {
  overflow: hidden;
  touch-action: pan-y;
}

.fx-case-study__track {
  display: grid;
  gap: var(--fx-space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.fx-case-study__carousel.is-enhanced .fx-case-study__track {
  display: flex;
  gap: 0;
  transform: translateX(0);
  transition: transform 700ms var(--fx-ease-standard);
}

.fx-case-study__slide {
  min-width: 0;
}

.fx-case-study__carousel.is-enhanced .fx-case-study__slide {
  flex: 0 0 100%;
}

.fx-case-study__panel {
  display: grid;
  gap: var(--fx-space-4);
}

.fx-case-study__meta {
  min-width: 0;
}

.fx-case-study__meta > :first-child {
  min-width: 0;
  color: var(--fx-color-outline);
}

.fx-case-study__body {
  display: grid;
  gap: var(--fx-space-4);
  padding: var(--fx-space-4);
  border: 1px solid var(--fx-color-line);
  background: var(--fx-color-surface-high);
  box-shadow: var(--fx-shadow-1);
}

.fx-case-study__body > * {
  margin-block: 0;
}

.fx-case-study__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--fx-space-2);
  color: var(--fx-color-primary);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.fx-case-study__seal {
  display: inline-grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-family: var(--fx-font-body);
  font-size: var(--fx-text-body-sm);
  line-height: 1;
}

.fx-case-study__body h1,
.fx-case-study__body h2 {
  max-width: 22ch;
  text-wrap: balance;
}

.fx-case-study__summary {
  max-width: var(--fx-reading-max);
  margin: 0;
}

.fx-case-study__media {
  height: clamp(9rem, 34vw, 16rem);
  min-width: 0;
  overflow: hidden;
  background: var(--fx-color-surface-container-high);
}

.fx-case-study__media picture,
.fx-case-study__media img {
  display: block;
  width: 100%;
  height: 100%;
}

.fx-case-study__media img {
  object-fit: cover;
  object-position: center;
  filter: saturate(0.82) contrast(1.02);
}

.fx-case-study__stages {
  display: grid;
  gap: var(--fx-space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.fx-case-study__stages li {
  display: grid;
  gap: var(--fx-space-2);
  padding: var(--fx-space-4);
  border: 1px solid var(--fx-color-line);
  border-left: 4px solid var(--fx-color-line-strong);
  background: var(--fx-color-surface-high);
  box-shadow: var(--fx-shadow-1);
}

.fx-case-study__stages li:first-child {
  border-left-color: var(--fx-color-error);
}

.fx-case-study__stages li:last-child {
  border-left-color: var(--fx-color-primary);
  background: var(--fx-color-surface-container-high);
}

.fx-case-study__stages h3,
.fx-case-study__stages p {
  margin: 0;
}

.fx-case-study__stages h3 {
  color: var(--fx-color-outline);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.fx-case-study__stages li:first-child h3 {
  color: var(--fx-color-error);
}

.fx-case-study__stages li:last-child h3 {
  color: var(--fx-color-primary);
}

.fx-case-study__pending {
  display: flex;
  min-height: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--fx-space-3);
  margin-top: var(--fx-space-2);
  padding: var(--fx-space-3) var(--fx-space-1);
  border-top: 2px solid var(--fx-color-primary);
  color: var(--fx-color-primary);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.fx-case-study__pending > span {
  font-size: 1.75rem;
  line-height: 1;
}

/* Controles: sólo visibles cuando el carrusel está mejorado. */
.fx-case-study__controls {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fx-space-2) var(--fx-space-3);
  padding-top: var(--fx-space-3);
  border-top: 1px solid var(--fx-color-line-strong);
}

.fx-case-study__carousel.is-enhanced .fx-case-study__controls {
  display: flex;
}

.fx-case-study__nav,
.fx-case-study__meta-controls,
.fx-case-study__dots {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fx-space-1);
}

.fx-case-study__meta-controls {
  margin-left: auto;
  gap: var(--fx-space-3);
}

.fx-case-study__control,
.fx-case-study__dot,
.fx-case-study__toggle {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--fx-color-line-strong);
  border-radius: 0;
  background: var(--fx-color-surface-high);
  color: var(--fx-color-primary);
  font-family: var(--fx-font-mono);
  font-size: var(--fx-text-label-sm);
  cursor: pointer;
  transition:
    border-color var(--fx-duration-fast) var(--fx-ease-standard),
    background-color var(--fx-duration-fast) var(--fx-ease-standard),
    color var(--fx-duration-fast) var(--fx-ease-standard);
}

.fx-case-study__control {
  display: inline-grid;
  place-items: center;
  font-size: 1.25rem;
}

.fx-case-study__dot {
  display: inline-grid;
  place-items: center;
  padding: 0;
}

.fx-case-study__dot::before {
  width: 9px;
  height: 9px;
  border: 1px solid currentColor;
  background: transparent;
  content: "";
}

.fx-case-study__dot[aria-current="true"]::before {
  background: currentColor;
}

.fx-case-study__toggle {
  padding: 0 var(--fx-space-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.fx-case-study__control:hover,
.fx-case-study__dot:hover,
.fx-case-study__toggle:hover {
  border-color: var(--fx-color-primary);
  background: var(--fx-color-primary-soft);
}

.fx-case-study__control:focus-visible,
.fx-case-study__dot:focus-visible,
.fx-case-study__toggle:focus-visible {
  outline: 2px solid var(--fx-focus-color);
  outline-offset: var(--fx-focus-offset);
}

.fx-case-study__carousel.is-reduced-motion .fx-case-study__toggle {
  display: none;
}

.fx-case-study__status {
  color: var(--fx-color-text-secondary);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.fx-case-study__footer {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--fx-space-5);
}

.fx-case-study__all {
  width: auto;
}

@media (max-width: 479px) {
  .fx-case-study__count {
    display: none;
  }

  .fx-case-study__controls {
    align-items: flex-start;
  }

  .fx-case-study__dots {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }

  .fx-case-study__meta-controls {
    gap: var(--fx-space-2);
  }

  .fx-case-study__footer {
    justify-content: flex-start;
  }

  .fx-case-study__all {
    width: 100%;
  }
}

@media (max-width: 359px) {
  .fx-case-study__section-head,
  .fx-case-study__meta {
    align-items: flex-start;
  }

  .fx-case-study__body {
    padding: var(--fx-space-3);
  }
}

@media (min-width: 768px) {
  .fx-case-study {
    padding-block: var(--fx-space-12);
  }

  .fx-case-study > .fx-container {
    max-width: 62rem;
  }

  .fx-case-study__section-head {
    margin-bottom: var(--fx-space-6);
  }

  .fx-case-study__panel {
    gap: var(--fx-space-5);
  }

  .fx-case-study__body {
    gap: var(--fx-space-5);
    padding: var(--fx-space-6);
  }

  .fx-case-study__stages {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fx-case-study__stages li {
    padding: var(--fx-space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .fx-case-study__carousel.is-enhanced .fx-case-study__track {
    transition: none;
  }

  .fx-case-study__control,
  .fx-case-study__dot,
  .fx-case-study__toggle {
    transition: none;
  }
}