/* ═══════════════════════════════════════════════
   DesafIA – clientes.css
   Crisp Loading Animation + Slideshow (Osmo-inspired)
   Adapted to DesafIA brand palette
═══════════════════════════════════════════════ */

/* ── LOADING STATE ──────────────────────────────── */

/* Disable Scroll on Loading */
main:has(.casos-hero.is--loading) {
  height: 100dvh;
  overflow: hidden;
}

/* ── HERO SECTION ───────────────────────────────── */
.casos-hero {
  height: 100dvh;
  background-color: #0a0a1a;
  justify-content: center;
  align-items: center;
  display: flex;
  position: relative;
  overflow: hidden;
}

/* Loading: Hidden */
.casos-hero.is--loading.is--hidden {
  display: none;
}

/* Loading: show loader, hide slider */
.casos-hero.is--loading .casos-hero__slider {
  display: none;
}

.casos-hero.is--loading .casos-loader {
  display: flex;
}

/* ── LOADER ─────────────────────────────────────── */
.casos-loader {
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  font-size: 1vw;
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
}

.casos-loader__wrap {
  justify-content: center;
  align-items: center;
  display: flex;
  position: relative;
}

.casos-loader__groups {
  position: relative;
  overflow: hidden;
}

.casos-loader__group {
  border-radius: 0.5em;
  justify-content: center;
  align-items: center;
  display: flex;
  position: relative;
}

.casos-loader__single {
  padding-left: 1em;
  padding-right: 1em;
  position: relative;
}

.casos-loader__media {
  border-radius: 0.5em;
  justify-content: center;
  align-items: center;
  width: 10em;
  height: 10em;
  display: flex;
  position: relative;
  overflow: hidden;
}

.casos-loader__media.is--scaling {
  will-change: transform;
  border-radius: 0;
  transition-property: border-radius;
  transition-duration: 0.5s;
  transition-timing-function: cubic-bezier(1, 0, 0, 1);
  display: flex;
}

.casos-loader__img {
  object-fit: cover;
  border-radius: inherit;
  width: 100%;
  height: 100%;
  position: absolute;
}

.casos-loader__media.is--scaling.is--radius {
  border-radius: 0.5em;
}

.casos-loader__group.is--relative {
  position: relative;
  left: 100%;
}

.casos-loader__group.is--duplicate {
  position: absolute;
}

.casos-loader__img.is--scale-down {
  will-change: transform;
}

.casos-loader__fade {
  pointer-events: none;
  background-image: linear-gradient(90deg, #0a0a1a 20%, transparent);
  width: 5em;
  height: calc(100% + 2px);
  position: absolute;
  top: -1px;
  left: -1px;
}

.casos-loader__fade.is--duplicate {
  left: auto;
  right: -1px;
  transform: scaleX(-1);
}

/* ── HERO CONTENT ───────────────────────────────── */
.casos-hero__content {
  color: #f4f4f4;
  flex-flow: column;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  height: 100dvh;
  padding: 5.5rem 1.5rem 1rem;
  display: flex;
  position: relative;
  z-index: 2;
  overflow: visible;
}

.casos-hero__top {
  justify-content: space-between;
  align-items: center;
  width: 100%;
  display: flex;
  min-height: 2em;
}

.casos-hero__center {
  width: 100%;
  padding: 1.5em;
  position: absolute;
  left: 0;
  top: 35%;
  opacity: 0;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 3;
}

.casos-hero__bottom {
  grid-column-gap: 0.6em;
  grid-row-gap: 0.6em;
  flex-flow: column;
  align-items: center;
  margin-top: auto;
  flex-shrink: 0;
  display: flex;
  z-index: 4;
  padding-bottom: 0.5rem;
}

/* ── HEADING ────────────────────────────────────── */
.casos-hero__h1 {
  text-align: center;
  letter-spacing: -0.04em;
  margin-top: 0;
  margin-bottom: 0.125em;
  font-family: var(--font);
  font-size: clamp(2.25rem, 4vw + 3dvh, 4.5rem);
  font-weight: 900;
  line-height: 0.95;
  color: #fff;
}

.casos-hero__h1 > * {
  margin: -0.1em -0.05em;
  padding: 0.1em 0.05em;
}

/* ── SLIDER ─────────────────────────────────────── */
.casos-hero__slider {
  grid-column-gap: 1rem;
  grid-row-gap: 1rem;
  border-radius: 0.5em;
  justify-content: center;
  align-items: flex-end;
  width: 100%;
  height: 100%;
  display: flex;
  position: absolute;
}

.casos-hero__slider-list {
  grid-template-rows: 100%;
  grid-template-columns: 100%;
  place-items: center;
  width: 100%;
  height: 100%;
  display: grid;
  overflow: hidden;
}

.casos-hero__slide {
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
  grid-area: 1 / 1 / -1 / -1;
  place-items: center;
  width: 100%;
  height: 100%;
  display: grid;
  position: relative;
  overflow: hidden;
}

.casos-hero__slide.is--current {
  opacity: 1;
  pointer-events: auto;
}

.casos-hero__slide-img {
  object-fit: cover;
  will-change: transform;
  width: 100%;
  height: 100%;
  position: absolute;
}

/* Dark overlay gradient for text readability */
.casos-hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 26, 0.3) 0%,
    rgba(10, 10, 26, 0.12) 40%,
    rgba(10, 10, 26, 0.45) 75%,
    rgba(10, 10, 26, 0.7) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* ── THUMBNAIL NAV ──────────────────────────────── */
.casos-hero__nav {
  grid-column-gap: 0.6em;
  grid-row-gap: 0.6em;
  padding: 0.5em;
  display: flex;
  position: relative;
  overflow: visible;
  z-index: 5;
}

.casos-hero__thumb {
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 0.5em;
  width: 4.5em;
  height: 4.5em;
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  transition: border-color 0.75s cubic-bezier(0.625, 0.05, 0, 1);
  flex-direction: column;
  display: flex;
  align-items: center;
}

.casos-hero__thumb-img {
  object-fit: cover;
  border-radius: inherit;
  width: 100%;
  height: 100%;
  position: absolute;
  transform: scale(1) rotate(0.001deg);
  transition: transform 0.75s cubic-bezier(0.625, 0.05, 0, 1);
}

/* On hover group: scale down all, scale up hovered */
.casos-hero__nav:has(.casos-hero__thumb:hover) .casos-hero__thumb-img {
  transform: scale(0.825) rotate(0.001deg);
}

.casos-hero__nav:has(.casos-hero__thumb:hover)
  .casos-hero__thumb:hover
  .casos-hero__thumb-img {
  transform: scale(1) rotate(0.001deg);
}

.casos-hero__thumb.is--current {
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 16px rgba(0, 191, 255, 0.25);
}

/* Thumb label */
.casos-hero__thumb-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.2em 0.15em;
  font-size: 0.55rem;
  font-weight: 700;
  text-align: center;
  color: #fff;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.72) 0%, transparent 100%);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  z-index: 2;
}

/* ── CAPTIONS ───────────────────────────────────── */
.casos-hero__captions {
  position: relative;
  min-height: 8rem;
  width: 100%;
  max-width: 42rem;
  text-align: center;
  z-index: 5;
}

.casos-hero__caption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.casos-hero__caption.is--active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.casos-hero__caption h2 {
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 0.4em;
  background: linear-gradient(90deg, #e0c0ff, var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.01em;
}

.casos-hero__caption p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  max-width: 38rem;
}

/* ── GALLERY SECTION ────────────────────────────── */
.casos-gallery {
  padding-block: 6rem;
  background: #f8f9fc;
  position: relative;
}

.casos-gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
}

.casos-gallery__card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  display: block;
  box-shadow: 0 8px 32px rgba(10, 37, 64, 0.12);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.casos-gallery__card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 20px 50px rgba(10, 37, 64, 0.22);
}

.casos-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.5s ease;
}

.casos-gallery__card:hover .casos-gallery__img {
  transform: scale(1.08);
  filter: brightness(0.65);
}

.casos-gallery__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  background: linear-gradient(
    180deg,
    transparent 30%,
    rgba(10, 10, 26, 0.65) 75%,
    rgba(10, 10, 26, 0.88) 100%
  );
  opacity: 0;
  transition: opacity 0.45s ease;
}

.casos-gallery__card:hover .casos-gallery__overlay {
  opacity: 1;
}

.casos-gallery__overlay h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.3rem;
  transform: translateY(12px);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.casos-gallery__card:hover .casos-gallery__overlay h3 {
  transform: translateY(0);
}

.casos-gallery__overlay p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.5;
  transform: translateY(16px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
}

.casos-gallery__card:hover .casos-gallery__overlay p {
  transform: translateY(0);
}

/* ── CTA SECTION ────────────────────────────────── */
.casos-cta {
  padding-block: 6rem;
  background: linear-gradient(
    135deg,
    var(--primary-dark) 0%,
    #1a0a3d 35%,
    var(--primary-blue) 100%
  );
  position: relative;
  overflow: hidden;
}

.casos-cta::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 60%;
  height: 200%;
  background: radial-gradient(
    ellipse,
    rgba(0, 191, 255, 0.12) 0%,
    transparent 70%
  );
  pointer-events: none;
}

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 1024px) {
  .casos-hero__h1 {
    font-size: calc(4vw + 4dvh);
  }

  .casos-hero__thumb {
    width: 3.8em;
    height: 3.8em;
  }
}

@media (max-width: 768px) {
  .casos-hero__content {
    padding: 5rem 1em 0.5em;
  }

  .casos-hero__h1 {
    font-size: calc(3.5vw + 3.5dvh);
  }

  .casos-hero__nav {
    gap: 0.4em;
    padding: 0.6em;
  }

  .casos-hero__thumb {
    width: 3em;
    height: 3em;
  }

  .casos-hero__thumb-label {
    font-size: 0.45rem;
  }

  .casos-hero__caption h2 {
    font-size: 1.1rem;
  }

  .casos-hero__caption p {
    font-size: 0.82rem;
  }

  .casos-hero__captions {
    min-height: 9.5rem;
  }

  .casos-gallery__grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .casos-cta {
    padding-block: 4rem;
  }

  /* Loader adjustments for mobile */
  .casos-loader {
    font-size: 2vw;
  }
}

@media (max-width: 480px) {
  .casos-hero__h1 {
    font-size: calc(3vw + 3dvh);
    letter-spacing: -0.03em;
  }

  .casos-hero__thumb {
    width: 2.5em;
    height: 2.5em;
  }

  .casos-hero__caption h2 {
    font-size: 0.95rem;
  }

  .casos-hero__caption p {
    font-size: 0.78rem;
    max-width: 90%;
  }

  .casos-loader {
    font-size: 3vw;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .casos-hero__slide,
  .casos-hero__slide-img,
  .casos-hero__thumb,
  .casos-hero__thumb-img,
  .casos-hero__caption,
  .casos-gallery__card,
  .casos-gallery__img,
  .casos-gallery__overlay,
  .casos-gallery__overlay h3,
  .casos-gallery__overlay p {
    transition: none !important;
  }
}