/* ============================================
   CASE DETAIL PAGE STYLES
   ============================================ */

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-primary);
}

/* --- Header override for case pages --- */
.header--case {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header--case .header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
}

.btn-back {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.btn-back:hover {
  color: var(--color-accent);
}

/* --- Case Page Layout --- */
.case-page {
  padding-top: 80px;
}

/* --- Case Hero --- */
.case-hero {
  position: relative;
  padding: 80px 40px 60px;
  max-width: 1440px;
  margin: 0 auto;
}

.case-hero-inner {
  margin-bottom: 40px;
}

.case-hero-num {
  display: block;
  font-size: clamp(64px, 10vw, 140px);
  font-weight: var(--font-weight-black);
  color: var(--color-text);
  opacity: 0.08;
  line-height: 0.85;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

.case-hero-title {
  font-size: clamp(32px, 5vw, 72px);
  font-weight: var(--font-weight-black);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 24px;
}

.case-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-tag {
  display: inline-flex;
  padding: 8px 20px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Hero media */
.case-hero-media {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background-color: var(--color-bg-elevated);
}

.case-hero-media img,
.case-hero-media video {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 600px;
}

/* --- Info Grid --- */
.case-info {
  padding: 40px 40px;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  max-width: 1440px;
  margin: 0 auto;
}

.case-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.case-info-label {
  display: block;
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-subtle);
  margin-bottom: 8px;
}

.case-info-value {
  font-size: 16px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

/* --- Sections --- */
.case-section {
  padding: 80px 40px;
  max-width: 1440px;
  margin: 0 auto;
}

.case-section--dark {
  background-color: var(--color-bg-elevated);
  max-width: 100%;
}

.case-section--dark .case-section-inner {
  max-width: 1440px;
  margin: 0 auto;
}

.case-section-title {
  font-size: clamp(12px, 1vw, 14px);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-subtle);
  margin-bottom: 30px;
}

.case-section-text {
  font-size: clamp(16px, 1.6vw, 22px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  max-width: 800px;
}

/* --- Video Section --- */
.case-video-section {
  display: flex;
  justify-content: center;
  padding: 0 40px 40px;
  max-width: 1440px;
  margin: 0 auto;
}

.case-video-wrap {
  max-width: 720px;
  border-radius: 16px;
  overflow: hidden;
  background-color: var(--color-bg-elevated);
}

.case-video-wrap--sm {
  max-width: 240px !important;
}

.case-video-wrap--sm img {
  max-width: 240px !important;
  max-height: 480px !important;
  width: auto !important;
}

.case-video-wrap video,
.case-video-wrap img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

@media (max-width: 768px) {
  .case-video-section {
    padding: 0 20px 30px;
  }

  .case-video-wrap {
    border-radius: 12px;
  }
}

/* --- App Screens Row --- */
.case-screens {
  padding: 0 40px 40px;
  max-width: 1440px;
  margin: 0 auto;
}

.case-screens-row {
  display: flex;
  justify-content: flex-start;
  gap: 20px;
}

.case-screen-item {
  max-width: 200px;
  border-radius: 16px;
  overflow: hidden;
  background-color: var(--color-bg-elevated);
}

.case-screen-item img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .case-screens {
    padding: 0 20px 30px;
  }

  .case-screen-item {
    max-width: 140px;
    border-radius: 12px;
  }
}

/* --- Deliverables --- */
.case-deliverables {
  border-top: 1px solid var(--color-border-light);
}

.case-deliverable {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.case-deliverable-num {
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  min-width: 24px;
}

.case-deliverable p {
  font-size: clamp(15px, 1.3vw, 20px);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  line-height: 1.4;
}

/* --- Screenshots --- */
.case-screenshots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.case-screenshot {
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--color-bg-elevated);
}

.case-screenshot img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.case-screenshot--wide {
  grid-column: 1 / -1;
}

.case-screenshot-placeholder {
  grid-column: 1 / -1;
  padding: 80px 40px;
  border: 1px dashed var(--color-border-light);
  border-radius: 12px;
  text-align: center;
  font-size: 16px;
  color: var(--color-subtle);
}

/* --- Results --- */
.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.case-result-num {
  display: block;
  font-size: clamp(40px, 5vw, 72px);
  font-weight: var(--font-weight-black);
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 12px;
}

.case-result-label {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: var(--font-weight-medium);
  color: var(--color-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- CTA --- */
.case-cta {
  padding: 100px 40px;
  text-align: center;
}

.case-cta-title {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: var(--font-weight-black);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 30px;
}

.case-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 18px 48px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.case-cta-btn:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .case-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-results {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header--case {
    padding: 16px 20px;
  }

  .case-hero {
    padding: 60px 20px 40px;
  }

  .case-section {
    padding: 60px 20px;
  }

  .case-info {
    padding: 30px 20px;
  }

  .case-info-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .case-results {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .case-cta {
    padding: 60px 20px;
  }

  .case-hero-media img,
  .case-hero-media video {
    max-height: 300px;
  }
}