.kupino-slider {
  --kupino-green: #82c924;
  position: relative;
  width: 100%;
  height: var(--kupino-slider-height, 878px);
  min-height: 300px;
  overflow: hidden;
  background: #eef3f5;
  color: #fff;
  isolation: isolate;
}

.kupino-slider__viewport,
.kupino-slider__slide {
  width: 100%;
  height: 100%;
}

.kupino-slider__slide {
  position: absolute;
  inset: 0;
  z-index: 0;
  visibility: hidden;
  opacity: 0;
  background-image: var(--kupino-slide-image);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  transition: opacity 0.8s ease, visibility 0.8s linear;
}

.kupino-slider__slide.is-active {
  z-index: 1;
  visibility: visible;
  opacity: 1;
}

.kupino-slider__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  width: min(50%, 760px);
  height: 100%;
  padding: clamp(32px, 4vw, 76px);
  text-align: left;
  text-shadow: 0 2px 14px rgb(0 0 0 / 18%);
}

.kupino-slider__title {
  margin: 0 0 28px;
  color: inherit;
  font-size: clamp(42px, 4.2vw, 82px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.kupino-slider__text {
  margin: 0;
  color: inherit;
  font-size: clamp(17px, 1.45vw, 28px);
  font-weight: 400;
  line-height: 1.4;
}

.kupino-slider__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  margin-top: 36px;
  padding: 14px 34px;
  border-radius: 999px;
  background: var(--kupino-green);
  box-shadow: 2px 2px 10px rgb(0 0 0 / 20%);
  color: #fff;
  font-size: clamp(17px, 1.2vw, 23px);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.kupino-slider__button:hover,
.kupino-slider__button:focus-visible {
  background: #71af1f;
  color: #fff;
  transform: translateY(-2px);
}

.kupino-slider__arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  width: 48px;
  height: 64px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: rgb(0 0 0 / 20%);
  color: #fff;
  font-size: 30px;
  line-height: 1;
  place-items: center;
  opacity: 0;
  cursor: pointer;
  transform: translateY(-50%);
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

.kupino-slider:hover .kupino-slider__arrow,
.kupino-slider:focus-within .kupino-slider__arrow {
  opacity: 1;
}

.kupino-slider__arrow:hover,
.kupino-slider__arrow:focus-visible {
  background: rgb(0 0 0 / 45%);
}

.kupino-slider__arrow--prev { left: 18px; }
.kupino-slider__arrow--next { right: 18px; }

.kupino-slider__dots {
  position: absolute;
  right: 0;
  bottom: 22px;
  left: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.kupino-slider__dot {
  width: 11px;
  height: 11px;
  padding: 0;
  border: 2px solid #fff;
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 1px 5px rgb(0 0 0 / 25%);
  cursor: pointer;
}

.kupino-slider__dot.is-active {
  background: #fff;
}

.kupino-slider--gallery {
  max-height: 630px;
  perspective: 1200px;
}

.kupino-slider--gallery .kupino-slider__slide {
  background-color: #111;
  background-size: cover;
  transform: rotateY(12deg) scale(0.92);
  transition: opacity 0.8s ease, visibility 0.8s linear, transform 0.8s ease;
  transform-origin: center center;
}

.kupino-slider--gallery .kupino-slider__slide.is-active {
  transform: rotateY(0) scale(1);
}

.kupino-slider--hero {
  height: 100vh;
}

.kupino-slider--hero .kupino-slider__arrow,
.kupino-slider--hero .kupino-slider__dots,
.kupino-slider--gallery .kupino-slider__dots {
  display: none;
}

.kupino-slider--gallery .kupino-slider__arrow {
  opacity: 1;
}

.kupino-slider::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 4;
  height: 3px;
  background: rgb(255 255 255 / 85%);
  content: '';
  transform: scaleX(0);
  transform-origin: left center;
}

.kupino-slider.is-advancing::after {
  animation: kupino-slider-progress var(--kupino-slider-interval, 5000ms) linear forwards;
}

.kupino-slider.is-paused::after {
  animation-play-state: paused;
}

@keyframes kupino-slider-progress {
  to { transform: scaleX(1); }
}

@media (max-width: 767.98px) {
  .kupino-slider {
    height: var(--kupino-slider-mobile-height, 520px);
  }

  .kupino-slider--hero {
    height: 100svh;
  }

  .kupino-slider__slide {
    background-position: center center;
  }

  .kupino-slider__content {
    justify-content: flex-end;
    width: 100%;
    padding: 32px 24px 64px;
    background: linear-gradient(180deg, transparent 30%, rgb(0 0 0 / 58%) 100%);
  }

  .kupino-slider__title {
    margin-bottom: 14px;
    font-size: clamp(30px, 10vw, 48px);
  }

  .kupino-slider__text {
    font-size: 16px;
  }

  .kupino-slider__button {
    min-height: 48px;
    margin-top: 20px;
    padding: 11px 24px;
    font-size: 16px;
  }

  .kupino-slider__arrow {
    width: 38px;
    height: 50px;
    font-size: 24px;
    opacity: 0.8;
  }

  .kupino-slider__arrow--prev { left: 8px; }
  .kupino-slider__arrow--next { right: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .kupino-slider__slide,
  .kupino-slider__button,
  .kupino-slider__arrow {
    transition: none;
  }
}