/* ==========================================================================
   UNTERRO - CUSTOM CASE STUDY SINGLE DETAIL COMPONENT STYLES
   ========================================================================== */

.case-study-detail-page {
  padding-top: 100px; /* Floating header top clearance on mobile */
  padding-bottom: 60px;
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

@media (min-width: 768px) {
  .case-study-detail-page {
    padding-top: 120px;
  }
}

@media (min-width: 1024px) {
  .case-study-detail-page {
    padding-top: 140px;
    padding-bottom: 100px;
  }
}

@media (min-width: 1440px) {
  .case-study-detail-page {
    padding-top: 160px;
  }
}

@media (min-width: 1920px) {
  .case-study-detail-page {
    padding-top: 180px;
  }
}

/* --------------------------------------------------------------------------
   1. Split Content Grid
   -------------------------------------------------------------------------- */
.case-detail {
  padding-top: 20px; /* Aligned with homepage vertical gaps spacing */
  padding-bottom: 20px;
  box-sizing: border-box;
}

.case-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: flex-start;
}

@media (min-width: 1024px) {
  .case-detail__grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
  }
}

/* Left Image Card Column */
.case-detail__image-wrapper {
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  background-color: var(--color-bg-secondary);
}

.case-detail__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-detail__image-wrapper:hover .case-detail__image {
  transform: scale(1.03); /* Subtle zoom scaling */
}

/* Right Copy Column */
.case-detail__subtitle {
  font-family: var(--font-family-sans);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.15em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.case-detail__title {
  font-family: var(--font-family-serif);
  font-size: clamp(2rem, 1.6rem + 1.5vw, 3.5rem);
  font-weight: var(--font-weight-light);
  color: var(--color-text-primary);
  line-height: 1.15;
  margin: 0 0 var(--space-lg) 0;
  padding-left: var(--space-sm);
  border-left: 8px solid var(--color-accent); /* Standard visual accent line */
  box-sizing: border-box;
}

.case-detail__section {
  margin-bottom: 28px;
  width: 100%;
}

.case-detail__section:last-child {
  margin-bottom: 0;
}

.case-detail__section-title {
  font-family: var(--font-family-sans);
  font-size: 13.5px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  text-transform: uppercase;
  margin: 0 0 12px 0;
  border-bottom: 1px solid rgba(28, 26, 23, 0.08);
  padding-bottom: 8px;
}

.case-detail__section-paragraph {
  font-family: var(--font-family-sans);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin: 0 0 14px 0;
}

.case-detail__section-paragraph:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   2. Bottom Prev/Next Navigation
   -------------------------------------------------------------------------- */
.case-detail-nav {
  padding-top: 20px;
  padding-bottom: 20px;
  box-sizing: border-box;
}

.case-detail-nav__wrapper {
  border-top: 1px solid rgba(28, 26, 23, 0.08);
  padding-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}

@media (min-width: 768px) {
  .case-detail-nav__wrapper {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
  }
}

.case-detail-nav__col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 100%;
}

@media (min-width: 768px) {
  .case-detail-nav__col {
    max-width: 48%;
  }
  
  .case-detail-nav__col--prev {
    align-items: flex-start;
  }

  .case-detail-nav__col--next {
    align-items: flex-end;
    text-align: right;
  }
}

.case-detail-nav__label {
  font-family: var(--font-family-sans);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.case-detail-nav__link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.case-detail-nav__title {
  font-family: var(--font-family-serif);
  font-size: clamp(1.4rem, 1.2rem + 0.8vw, 2.2rem);
  font-weight: var(--font-weight-light);
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
  line-height: 1.25;
}

.case-detail-nav__link:hover .case-detail-nav__title {
  color: var(--color-accent); /* Heading turns copper-rose on hover */
}

.case-detail-nav__arrow {
  color: var(--color-accent);
  transition: transform var(--transition-smooth);
}

.case-detail-nav__arrow--left {
  margin-right: 12px;
  flex-shrink: 0;
}

.case-detail-nav__arrow--right {
  margin-left: 12px;
  flex-shrink: 0;
}

.case-detail-nav__link:hover .case-detail-nav__arrow--left {
  transform: translateX(-6px); /* Moves arrow left on hover */
}

.case-detail-nav__link:hover .case-detail-nav__arrow--right {
  transform: translateX(6px); /* Moves arrow right on hover */
}

/* --------------------------------------------------------------------------
   3. Large Monitor Scaling (Consistency with About & Homepage)
   -------------------------------------------------------------------------- */
@media (min-width: 1440px) {
  .case-detail__subtitle,
  .case-detail-nav__label {
    font-size: 13px;
  }

  .case-detail__title {
    font-size: 3.75rem; /* Scales heading sizes to match About exactly */
  }

  .case-detail__section-title {
    font-size: 14.5px;
  }

  .case-detail__section-paragraph {
    font-size: 16.5px;
    line-height: 1.8;
  }

  .case-detail-nav__title {
    font-size: 2.2rem;
  }
}

@media (min-width: 1920px) {
  .case-detail__subtitle,
  .case-detail-nav__label {
    font-size: 15px;
  }

  .case-detail__title {
    font-size: 4.5rem; /* Ultra-wide scaling */
  }

  .case-detail__section-title {
    font-size: 16px;
  }

  .case-detail__section-paragraph {
    font-size: 18.5px;
    line-height: 1.85;
  }

  .case-detail-nav__title {
    font-size: 2.6rem;
  }
}