/* ============================================
   Cases Page — Dark Editorial Portfolio
   ============================================ */

.cases-page {
  --c-deep: #151937;
  --c-surface: rgba(255, 255, 255, 0.04);
  --c-surface-hover: rgba(255, 255, 255, 0.07);
  --c-glass: rgba(45, 52, 100, 0.55);
  --c-border: rgba(255, 255, 255, 0.12);
  --c-border-hover: rgba(139, 150, 233, 0.4);
  --c-accent: #8B96E9;
  --c-accent-dim: #6775CD;
  --c-accent-glow: rgba(139, 150, 233, 0.15);
  --c-text: rgba(255, 255, 255, 0.95);
  --c-text-secondary: rgba(255, 255, 255, 0.8);
  --c-text-tertiary: rgba(255, 255, 255, 0.5);
  --c-radius: 16px;
  --c-radius-sm: 10px;
}

/* ===== Scroll Animations ===== */
.cases-animate {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.cases-animate.is-visible {
  opacity: 1;
  transform: none;
}

/* ===== Upper Block ===== */
.cases-page .cases-filter-box {
  padding: 0;
  background: transparent;
}

.cases-page .case-upper-block {
  color: var(--c-text-secondary);
  font-size: 16px;
  line-height: 1.25;
  margin-bottom: 28px;
}

.cases-page .case-upper-block a {
  color: var(--c-accent);
  text-decoration: underline;
  text-decoration-color: rgba(139, 150, 233, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.3s ease;
}

.cases-page .case-upper-block a:hover {
  text-decoration-color: var(--c-accent);
  color: #fff;
}

/* ===== Filter Buttons ===== */
.cases-page .cases-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0 0;
}

.cases-page .cases-filter__btn {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 22px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--c-text-secondary);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.cases-page .cases-filter__btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dim));
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: -1;
}

.cases-page .cases-filter__btn:hover {
  color: #fff;
  border-color: transparent;
  background: transparent;
  box-shadow: 0 0 24px var(--c-accent-glow);
  transform: translateY(-2px);
}

.cases-page .cases-filter__btn:hover::before {
  opacity: 1;
}

.cases-page .cases-filter__btn_selected {
  color: #fff;
  background: transparent;
  border-color: transparent;
  pointer-events: none;
  opacity: 1;
}

.cases-page .cases-filter__btn_selected::before {
  opacity: 1;
}

/* ===== Cases List ===== */
.cases-page .cases-list {
  padding: 40px 0 0;
}

/* ===== Case Card ===== */
.cases-page .case {
  position: relative;
  padding: 0 0 4px;
  margin-bottom: 48px;
  background: var(--c-glass);
  border-radius: var(--c-radius);
  border: 1px solid var(--c-border);
  overflow: visible;
  transition: border-color 0.5s ease, box-shadow 0.5s ease;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.15),
              inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.cases-page .case:hover {
  border-color: var(--c-border-hover);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.25),
              0 0 40px var(--c-accent-glow),
              inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.cases-page .case:before {
  display: none;
}

.cases-page .case:nth-child(odd) {
  background: var(--c-glass);
}

/* Accent top line */
.cases-page .case::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--c-accent) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.cases-page .case:hover::after {
  opacity: 1;
}

/* Case title */
.cases-page .case .title {
  padding: 36px 40px 4px;
  font-weight: 700;
  font-size: 24px;
  line-height: 1.35;
  color: #fff;
  font-family: 'Gilroy', sans-serif;
  letter-spacing: -0.3px;
  margin: 0;
  position: relative;
}

/* ===== Slider — full viewport width ===== */
.cases-page {
  overflow-x: clip;
}

.cases-page .case-slider {
  padding: 24px 0 28px;
  background: transparent;
  position: relative;
  width: 100vw;
  left: 50%;
  transform: translateX(-50%);
}

/* Subtle ambient glow behind active slide */
.cases-page .case-slider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 70%;
  background: radial-gradient(ellipse, var(--c-accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.cases-page .case-slider .item {
  height: auto;
  width: 50rem;
  padding: 10px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cases-page .case-slider .item img {
  max-width: 750px;
  max-height: 460px;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: box-shadow 0.4s ease;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.cases-page .case-slider .swiper-slide-active .item img {
  box-shadow: 0 16px 56px rgba(0, 0, 0, 0.4);
}

/* Active slide — pointer cursor for lightbox click */
.cases-page .case-slider .swiper-slide-active .item__img-wrapper {
  cursor: pointer;
}

/* Slider pagination — progress bars */
.cases-page .case-slider .swiper-pagination {
  position: absolute !important;
  bottom: 0 !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  right: auto !important;
  top: auto !important;
  width: auto !important;
  display: flex;
  justify-content: center;
  gap: 5px;
}

.cases-page .case-slider .swiper-pagination-bullet {
  width: 28px;
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
  opacity: 1;
  border-radius: 1px;
  transition: width 0.4s ease, background 0.4s ease;
  cursor: pointer;
}

.cases-page .case-slider .swiper-pagination-bullet-active {
  width: 48px;
  background: var(--c-accent);
  box-shadow: 0 0 8px rgba(139, 150, 233, 0.4);
}

/* ===== Case Text ===== */
.cases-page .case-text {
  max-width: none;
  max-height: 160px;
  margin: 0;
  padding: 28px 40px 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
  position: relative;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cases-page .case-text p {
  margin-bottom: 8px;
}

.cases-page .case-text b {
  color: var(--c-accent);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.cases-page .case-text::after {
  content: '';
  display: block;
  position: absolute;
  width: 100%;
  height: 70px;
  left: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(40, 47, 90, 0) 0%, rgba(40, 47, 90, 0.95) 100%);
  box-shadow: none;
  z-index: 1;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.4s ease;
}

.cases-page .case-text.full {
  max-height: none;
}

.cases-page .case-text.full:after {
  opacity: 0;
  pointer-events: none;
}

/* ===== Read More Link ===== */
.cases-page .case-more {
  max-width: none;
  padding: 16px 40px 28px;
  margin: 0;
}

.cases-page .case-more a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--c-accent);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s ease, gap 0.3s ease;
  position: relative;
}

.cases-page .case-more a::after {
  content: '\2192';
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  font-size: 16px;
}

.cases-page .case-more a:hover {
  color: #fff;
  gap: 12px;
}

.cases-page .case-more a:hover::after {
  transform: translateX(4px);
}

/* Underline animation */
.cases-page .case-more a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-accent);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.cases-page .case-more a:hover::before {
  width: calc(100% - 24px);
}

/* ===== Pagination ===== */
.cases-page .bg-white {
  background: transparent !important;
  padding: 16px 0 64px;
}

.cases-page .pagination {
  justify-content: center;
  gap: 6px;
}

.cases-page .page-link {
  min-width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--c-radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-secondary);
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.cases-page .page-link:hover {
  background: var(--c-accent-dim);
  border-color: var(--c-accent-dim);
  color: #fff;
  box-shadow: 0 4px 16px var(--c-accent-glow);
}

.cases-page .page-item.active .page-link {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--c-accent-glow);
}

/* ===== Responsive ===== */
@media (max-width: 990px) {
  .cases-page .case .title {
    padding: 28px 28px 4px;
    font-size: 21px;
  }

  .cases-page .case-text {
    padding: 22px 28px 0;
  }

  .cases-page .case-more {
    padding: 14px 28px 24px;
  }
}

@media (max-width: 768px) {
  .cases-page .case {
    margin-bottom: 28px;
    border-radius: 14px;
  }

  .cases-page .case .title {
    padding: 22px 22px 4px;
    font-size: 19px;
  }

  .cases-page .case-slider .item {
    height: auto;
    width: 100%;
  }

  .cases-page .case-slider .item img {
    border-radius: 10px;
    max-width: 100%;
    max-height: 300px;
  }

  .cases-page .case-text {
    padding: 18px 22px 0;
    max-height: 130px;
    font-size: 14px;
  }

  .cases-page .case-more {
    padding: 12px 22px 22px;
  }

  .cases-page .cases-filter {
    gap: 8px;
  }

  .cases-page .cases-filter__btn {
    padding: 6px 16px;
    font-size: 12px;
    min-height: 34px;
  }

  .cases-animate {
    transform: translateY(24px) scale(0.99);
  }
}

@media (max-width: 820px) {
  .cases-page .case-slider .item {
    height: auto;
    width: 100%;
  }
}

@media (max-width: 580px) {
  .cases-page .case-slider .item img {
    max-height: 200px;
  }

  .cases-page .case .title {
    font-size: 17px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .cases-animate {
    opacity: 1;
    transform: none;
    transition: none;
  }
}