/* ========================================
   S4: CASES PREVIEW — Horizontal Stacked Carousel
   ======================================== */

.cases-preview-section {
  background-color: #000000;
  padding: 5rem clamp(24px, 4vw, 80px);
  overflow: hidden;
}

.cases-preview-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Carousel track */
.cases-preview-track {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 1rem;
}

.cases-preview-track::-webkit-scrollbar {
  display: none;
}

/* Card base — restored original visual style */
.case-card {
  flex: 0 0 85%;
  max-width: 900px;
  scroll-snap-align: center;
  border-radius: 2rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 -15px 30px rgba(0,0,0,0.15),
    0 15px 30px rgba(0,0,0,0.15);
  border-top: 1px solid rgba(255,255,255,0.05);
  min-height: 450px;
  position: relative;
  transition: transform 0.3s ease;
}

@media (min-width: 768px) {
  .case-card {
    flex: 0 0 75%;
    flex-direction: row;
    min-height: 500px;
  }
}

@media (min-width: 1024px) {
  .case-card {
    flex: 0 0 70%;
  }
}

/* Content area */
.case-card__content {
  width: 100%;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 10;
  position: relative;
}

@media (min-width: 768px) {
  .case-card__content {
    width: 50%;
    padding: 4rem;
  }
}

@media (min-width: 1024px) {
  .case-card__content {
    padding: 5rem;
  }
}

.case-card__text {
  max-width: 28rem;
}

.case-card__title {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}

.case-card__description {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  font-weight: 300;
  opacity: 0.9;
  max-width: 28rem;
}

/* Button — restored original style */
.case-card__button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.case-card__button:hover {
  opacity: 0.8;
  transform: translateY(-2px);
}

.case-card__arrow {
  transition: transform 0.3s ease;
}

.case-card__button:hover .case-card__arrow {
  transform: translateX(4px);
}

/* Image area */
.case-card__image {
  width: 100%;
  position: relative;
  min-height: 300px;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .case-card__image {
    width: 50%;
    min-height: 500px;
  }
}

.case-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.case-card__img--cover-bottom { object-fit: cover; object-position: bottom; }
.case-card__img--cover-position { object-fit: cover; object-position: 80% center; }
.case-card__img--cover-right { object-fit: cover; object-position: right; }
.case-card__img--cover-center { object-fit: cover; object-position: center; }

.case-card__img--contain-right {
  object-fit: contain;
  object-position: right;
  padding: 2rem;
}

@media (min-width: 768px) {
  .case-card__img--contain-right {
    padding: 3rem;
  }
}

/* Gradient overlays */
.case-card__gradient {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

@media (max-width: 767px) {
  .case-card__gradient--ovsov {
    background: linear-gradient(to bottom, #c2ab92 0%, #c2ab92 15%, #c2ab9299 40%, #c2ab9200 100%);
  }
  .case-card__gradient--ddg {
    background: linear-gradient(to bottom, #ffffff 0%, #ffffff 0%, #ffffff99 15%, #ffffff00 50%);
  }
  .case-card__gradient--upbe {
    background: linear-gradient(to bottom, #4a6b58 0%, #4a6b58 0%, #4a6b5899 15%, #4a6b5800 50%);
  }
  .case-card__gradient--sellerpic {
    background: linear-gradient(to bottom, #f8f4fa 0%, #f8f4fa 0%, #f8f4fa99 10%, #f8f4fa00 40%);
  }
  .case-card__gradient--curvesoul {
    background: linear-gradient(to bottom, #6b6b6b 0%, #6b6b6b 0%, #6b6b6b99 15%, #6b6b6b00 50%);
  }
}

@media (min-width: 768px) {
  .case-card__gradient--ovsov {
    background: linear-gradient(to right, #c2ab92 0%, #c2ab92 15%, #c2ab9299 40%, #c2ab9200 100%);
  }
  .case-card__gradient--ddg {
    background: linear-gradient(to right, #ffffff 0%, #ffffff 0%, #ffffff99 15%, #ffffff00 50%);
  }
  .case-card__gradient--upbe {
    background: linear-gradient(to right, #4a6b58 0%, #4a6b58 0%, #4a6b5899 15%, #4a6b5800 50%);
  }
  .case-card__gradient--sellerpic {
    background: linear-gradient(to right, #f8f4fa 0%, #f8f4fa 0%, #f8f4fa99 10%, #f8f4fa00 40%);
  }
  .case-card__gradient--curvesoul {
    background: linear-gradient(to right, #6b6b6b 0%, #6b6b6b 0%, #6b6b6b99 15%, #6b6b6b00 50%);
  }
}

/* Card themes */
.case-card--ovsov { background-color: #c2ab92; color: #ffffff; }
.case-card--ddg { background-color: #ffffff; color: #1a1a1a; }
.case-card--upbe { background-color: #4a6b58; color: #ffffff; }
.case-card--sellerpic { background-color: #f8f4fa; color: #1a1a1a; }
.case-card--curvesoul { background-color: #6b6b6b; color: #ffffff; }

/* Button themes */
.case-card__button--light { background-color: #ffffff; }
.case-card--ovsov .case-card__button--light { color: #c2ab92; }
.case-card--upbe .case-card__button--light { color: #4a6b58; }
.case-card--curvesoul .case-card__button--light { color: #6b6b6b; }
.case-card__button--dark { background-color: #1a1a1a; color: #ffffff; }
.case-card__button--purple { background-color: #8b7b9e; color: #ffffff; }

/* Navigation dots */
.cases-preview-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 2rem;
}

.cases-preview-dot {
  width: 10px;
  height: 10px;
  background-color: rgba(255,255,255,0.25);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
  padding: 0;
}

.cases-preview-dot.active {
  background-color: #ffffff;
  transform: scale(1.3);
}

.cases-preview-dot:hover {
  background-color: rgba(255,255,255,0.6);
}