.dm-sistema {
  --dm-sistema-dark: #2b2b2b;
  --dm-sistema-muted: rgba(255, 255, 255, 0.72);
  /* La galería ocupa todo el flanco izquierdo; el naranja queda como costura. */
  --dm-sistema-gallery: 52%;
  --dm-sistema-seam: 12px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: var(--dm-sistema-gallery) minmax(0, 1fr);
  min-height: max(520px, var(--dm-section-h));
  scroll-margin-top: calc(var(--dm-topbar-h) + var(--dm-nav-h) + 8px);
  background: var(--dm-sistema-dark);
  color: #fff;
}

.dm-sistema--no-gallery {
  grid-template-columns: minmax(0, 1fr);
}

/* ========== Galería: flanco izquierdo a sangre ========== */
.dm-sistema__gallery {
  position: relative;
  overflow: hidden;
  background: #1a1a1a;
  border-right: var(--dm-sistema-seam) solid var(--dm-orange);
}

.dm-sistema__viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Velo inferior: sostiene los controles sobre cualquier foto. */
.dm-sistema__gallery::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 40%;
  z-index: 3;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.dm-sistema__slide {
  position: absolute;
  inset: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
  pointer-events: none;
}

.dm-sistema__slide.is-active {
  opacity: 1;
  transform: scale(1);
  z-index: 2;
}

.dm-sistema__slide.is-leaving {
  opacity: 0;
  transform: scale(1.03);
  z-index: 1;
}

.dm-sistema__slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transform-origin: center;
}

.dm-sistema__slide.is-active img {
  animation: none;
}

.dm-sistema__gallery.is-inview .dm-sistema__slide.is-active img {
  animation: dm-sistema-ken 6s ease-out forwards;
}

.dm-sistema__slide.is-leaving img {
  animation: none;
  transform: scale(1);
}

/* ========== Controles sobre la galería ========== */
.dm-sistema__ui {
  position: absolute;
  z-index: 4;
  left: clamp(1rem, 2.6vw, 2.25rem);
  right: clamp(1rem, 2.6vw, 2.25rem);
  bottom: clamp(1rem, 2.4vw, 1.9rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.dm-sistema__dots {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.dm-sistema__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background 0.3s ease, width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.dm-sistema__dot.is-active {
  width: 22px;
  background: var(--dm-orange);
}

.dm-sistema__arrows {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dm-sistema__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  color: #fff;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
}

.dm-sistema__arrow:hover {
  background: var(--dm-orange);
  border-color: var(--dm-orange);
}

.dm-sistema__arrow:active {
  transform: scale(0.94);
}

.dm-sistema__arrow:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.dm-sistema__arrow svg {
  display: block;
}

/* ========== Panel oscuro: copy alineado al contenedor del sitio ========== */
.dm-sistema__panel {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
  padding-left: clamp(1.75rem, 4vw, 3.75rem);
  padding-right: max(1.5rem, calc((100vw - var(--dm-container)) / 2));
}

/* El plano constructivo pasa a marca de agua detrás del texto. */
.dm-sistema__build {
  position: absolute;
  inset: -4% -14% -4% 16%;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  overflow: hidden;
  pointer-events: none;
  color: rgba(255, 133, 0, 0.24);
  color: color-mix(in srgb, var(--dm-orange) 24%, transparent);
}

.dm-sistema__draw {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.dm-sistema__draw path {
  stroke-width: 1.35px;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.dm-sistema__build.is-built path {
  animation: dm-sistema-draw var(--dur, 0.12s) linear var(--delay, 0s) forwards;
}

.dm-sistema__copy {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 34rem;
}

.dm-sistema__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.35rem;
  color: var(--dm-orange);
  font-family: var(--dm-font-display);
  font-weight: 400;
  font-size: clamp(0.92rem, 1.2vw, 1.05rem);
  line-height: 1.3;
}

.dm-sistema__eyebrow-line {
  width: 2.15rem;
  height: 3px;
  border-radius: 2px;
  background: var(--dm-orange);
  flex: 0 0 auto;
}

.dm-sistema__heading {
  margin: 0 0 0.35rem;
  color: #fff;
  font-family: var(--dm-font-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.1;
}

.dm-sistema__sub {
  margin: 0 0 1.15rem;
  color: rgba(255, 255, 255, 0.88);
  font-family: var(--dm-font-display);
  font-weight: 300;
  font-size: clamp(0.95rem, 1.2vw, 1.08rem);
}

.dm-sistema__rule {
  border: 0;
  height: 1px;
  margin: 0 0 1.15rem;
  background: rgba(255, 255, 255, 0.18);
  max-width: 100%;
}

.dm-sistema__text {
  margin: 0 0 1.6rem;
  max-width: 32rem;
  color: var(--dm-sistema-muted);
  font-family: var(--dm-font-display);
  font-weight: 100;
  font-size: clamp(0.9rem, 1.1vw, 1rem);
  line-height: 1.6;
}

.dm-sistema__cta {
  gap: 0.55rem;
  font-family: var(--dm-font-display);
  font-weight: 400;
  padding: 0.85rem 1.4rem;
}

.dm-sistema__cta-icon {
  display: inline-flex;
}

.dm-sistema__cta-icon svg {
  display: block;
}

/* ========== Responsive ========== */
@media (max-width: 1180px) {
  .dm-sistema {
    --dm-sistema-gallery: 46%;
  }
}

@media (max-width: 960px) {
  .dm-sistema {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }

  .dm-sistema__gallery {
    aspect-ratio: 4 / 3;
    border-right: 0;
    border-bottom: var(--dm-sistema-seam) solid var(--dm-orange);
  }

  .dm-sistema__panel {
    padding: clamp(2rem, 7vw, 3rem) max(1rem, calc((100vw - var(--dm-container)) / 2)) clamp(2.5rem, 8vw, 3.5rem);
  }

  .dm-sistema__build {
    inset: 0 -22% 0 24%;
  }

  .dm-sistema__copy,
  .dm-sistema__text {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .dm-sistema {
    --dm-sistema-seam: 8px;
  }

  .dm-sistema__heading {
    font-size: clamp(1.55rem, 7vw, 1.95rem);
  }
}

@keyframes dm-sistema-draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes dm-sistema-ken {
  from {
    transform: scale(1.1);
  }
  to {
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .dm-sistema__slide,
  .dm-sistema__dot,
  .dm-sistema__arrow {
    transition: none !important;
  }

  .dm-sistema__slide,
  .dm-sistema__slide.is-active,
  .dm-sistema__slide.is-leaving {
    transform: none;
  }

  .dm-sistema__slide img,
  .dm-sistema__slide.is-active img,
  .dm-sistema__slide.is-leaving img,
  .dm-sistema__gallery.is-inview .dm-sistema__slide.is-active img {
    animation: none !important;
    transform: none;
  }

  .dm-sistema__draw path,
  .dm-sistema__build.is-built path {
    animation: none;
    stroke-dashoffset: 0;
  }
}