@import url('variables.css');

.case-hero {
  padding-top: 160px;
  padding-bottom: 40px;
  padding-right: var(--menu-width);
  background: var(--bg-primary);
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
  transition: color var(--transition-fast);
}

.case-back svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.case-back:hover {
  color: var(--text-primary);
}

.case-hero__tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.case-hero__title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  font-weight: 500;
}

.case-hero__lead {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.65;
}

.case-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.case-hero__meta-item {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.case-hero__cta {
  margin-top: 24px;
}

.case-content {
  padding-top: 40px;
  padding-bottom: 40px;
  padding-right: var(--menu-width);
}

.case-gallery {
  margin-bottom: 64px;
}

.case-gallery__main {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.case-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.case-kpi {
  padding: 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.case-kpi__value {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.case-kpi__label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.case-kpi__sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.case-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.case-detail {
  padding: 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.case-detail__title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 24px;
  margin-bottom: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.case-detail__text {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.case-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-steps__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.case-steps__num {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-steps__item strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.case-steps__item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.case-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-metrics li {
  font-size: 14px;
  color: var(--text-secondary);
}

.case-metrics strong {
  color: var(--text-primary);
  font-size: 18px;
  margin-right: 6px;
}

.case-graph {
  margin-bottom: 60px;
}

.case-graph__image {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.case-graph__caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.case-graph__box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 32px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border-dark);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}

.case-graph__box svg {
  flex: 0 0 auto;
  color: var(--text-muted);
}

.case-graph__box p {
  margin: 0;
  font-size: 14px;
}

.case-photos {
  margin-bottom: 60px;
}

.case-photos__viewport {
  position: relative;
}

.case-photos__track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-behavior: smooth;
  padding: 4px 4px 12px;
  margin: -4px -4px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.case-photos__track::-webkit-scrollbar {
  display: none;
}

.case-photos__item {
  flex: 0 0 auto;
  width: clamp(220px, 32vw, 360px);
  aspect-ratio: 4 / 3;
  scroll-snap-align: start;
  display: block;
  padding: 0;
  border: none;
  background: none;
  cursor: zoom-in;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.case-photos__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.case-photos__item:hover img {
  transform: scale(1.05);
}

.case-photos__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transition: opacity var(--transition-fast), transform var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.case-photos__nav:hover {
  transform: translateY(-50%) scale(1.06);
  color: var(--accent);
  border-color: var(--accent);
}

.case-photos__nav:disabled {
  opacity: 0;
  pointer-events: none;
}

.case-photos__nav--prev {
  left: -22px;
}

.case-photos__nav--next {
  right: -22px;
}

.case-photos__nav svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 1279px) {
  .case-photos__nav {
    display: none;
  }
}

.case-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: rgba(10, 10, 10, 0.92);
}

.case-lightbox.is-open {
  display: flex;
}

.case-lightbox__img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius-md);
}

.case-lightbox__close,
.case-lightbox__prev,
.case-lightbox__next {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

.case-lightbox__close:hover,
.case-lightbox__prev:hover,
.case-lightbox__next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.case-lightbox__close {
  top: 24px;
  right: 24px;
}

.case-lightbox__prev {
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.case-lightbox__next {
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.case-lightbox__close svg,
.case-lightbox__prev svg,
.case-lightbox__next svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 767px) {
  .case-photos__track {
    gap: 10px;
  }
  .case-photos__item {
    width: 72vw;
  }
  .case-lightbox {
    padding: 16px;
  }
  .case-lightbox__prev,
  .case-lightbox__next {
    width: 36px;
    height: 36px;
  }
}

.case-extra {
  padding-top: 60px;
  border-top: 1px solid var(--border);
}

.case-extra__title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 28px;
  margin-bottom: 32px;
  font-weight: 500;
}

.cases-preview__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.cases-preview__grid .case-card {
  height: 100%;
}

.cases-preview__grid .case-card__image {
  flex: 0 0 auto;
  aspect-ratio: 4 / 3;
}

@media (max-width: 1024px) {
  .case-hero,
  .case-content {
    padding-right: 0;
  }
  .case-kpis,
  .case-details {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .case-kpis {
    grid-template-columns: 1fr;
    margin-bottom: 32px;
  }
  .case-details {
    grid-template-columns: 1fr;
    margin-bottom: 50px;
  }
  .case-detail {
    padding: 24px;
  }
  .case-graph__box {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}