/* Case Study Shared Styles */

/* Case study specific variables */
:root {
  --case-study-card-bg: #fff;
  --case-study-container-bg: #FAFAFA;
  --case-study-hover-bg: #F5F5F5;
}

[data-theme="dark"] {
  --case-study-card-bg: #242424;
  --case-study-container-bg: #2A2A2A;
  --case-study-hover-bg: #2A2A2A;
}

/* Page body */
body.case-study-page {
  background: var(--color-background);
  padding: 2rem;
}

@media (min-width: 1400px) {
  body.case-study-page {
    padding: 2.5rem 4rem;
  }
}

/* Override main.css flex centering for case study pages */
body.case-study-page main {
  display: block;
  padding: 0;
}

/* Outer card wrapper */
.case-study-card {
  background: var(--case-study-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 1.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  /* max-width: 1200px; */
  width: 100%;
  margin: 0 auto;
  /* Entrance animation */
  animation: cardFadeIn 0.6s var(--ease-out-expo) both;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-study-card {
    animation: none;
  }
}

/* Legacy section styles (for backwards compat) */
.case-study-section {
  max-width: 100%;
  padding: 4.5rem 5rem !important;
  margin: 0;
}

/* Back Link */
.back-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: 50%;
  transition: color 0.2s var(--ease-out-expo), background 0.2s var(--ease-out-expo);
}

.back-link:hover {
  color: var(--color-text);
  background: var(--case-study-hover-bg);
  text-decoration: none;
}

.back-link:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

.back-link svg {
  /* Arrow stays centered - color change provides hover feedback */
}

/* Case Study Header */
.case-study-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 4.5rem 5rem;
}

.case-study-header-left {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  flex-shrink: 0;
}

/* Case study title block */
.case-study-title {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case-study-name {
  font-family: var(--font-display);
  font-size: 3rem;  /* 48px */
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0;
}

.case-study-role {
  font-family: var(--font-body);
  font-size: 1.125rem;  /* 18px */
  font-weight: 400;
  color: var(--color-text);
  margin: 0;
}

.case-study-header-right {
  flex: 1;
  max-width: 720px;
  padding-top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.case-study-intro-text {
  font-family: var(--font-body);
  font-size: 1.375rem;  /* 22px - slightly pulled back for elegance */
  line-height: 1.6;     /* More breathing room */
  color: var(--color-text);
  letter-spacing: -0.015em;  /* Tighter tracking for sophistication */
  margin: 0;
}

.case-study-intro-text p {
  font-family: var(--font-body);
  margin: 0 0 1.75rem 0;  /* Slightly tighter paragraph spacing */
  font-size: inherit;
  line-height: inherit;
  color: var(--color-text-secondary);
  letter-spacing: inherit;
}

.case-study-intro-text p:first-child {
  color: var(--color-text);  /* First paragraph stronger */
}

.case-study-intro-text p:last-child {
  margin-bottom: 0;
}

/* Tag List */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;  /* 10px - tighter grouping */
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;  /* Smaller, more refined */
  font-family: var(--font-body);
  font-size: 0.8125rem;  /* 13px - deliberately smaller */
  font-weight: 500;      /* Medium weight for presence */
  color: var(--color-text-secondary);
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  letter-spacing: 0.01em;  /* Slight tracking */
}

/* External link indicator for tags (future enhancement) */
.tag-link {
  cursor: pointer;
}

.tag-link:hover {
  border-color: var(--color-text);
}

/* Work Samples - Vertical Flow */
.work-samples {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem;
}

/* Work Container - Neutral Gray Background */
.work-container {
  background-color: var(--case-study-container-bg);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* White card inside container */
.work-card {
  background: var(--case-study-card-bg);
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 32px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.work-card img {
  display: block;
  width: 100%;
  height: auto;
}

/* For images inside containers */
.work-container img {
  max-width: 100%;
  height: auto;
  /* border-radius: 0.75rem; */
  opacity: 0;
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
  transform: scale(0.98);
}

.work-container img.loaded {
  opacity: 1;
  transform: scale(1);
}

/* Multi-image layouts within a container */
.work-container .image-row {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  width: 100%;
}

.work-container .image-row.three-up {
  gap: 1.25rem;
}

.work-container .image-row.three-up > * {
  flex: 1;
  min-width: 280px;
  max-width: 340px;
}

/* Case Study Footer */
.case-study-footer {
  padding: 3rem 5rem;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: var(--font-sm);
  color: var(--color-text-tertiary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* More work link - matches "More about me" pattern */
.more-work-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;  /* Tighter gap */
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--font-sm);  /* 14px - smaller, subtler */
  color: var(--color-text-tertiary);  /* Quieter default */
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

.more-work-link:hover {
  color: var(--color-text);
}

.more-work-link:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
  border-radius: 2px;
}

.more-work-link .arrow {
  transition: transform 0.2s var(--ease-out-expo);
}

.more-work-link:hover .arrow {
  transform: translateX(4px);
}

/* Case Study Navigation */
.case-study-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 2rem;
}

.case-study-nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--font-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.case-study-nav-link:hover {
  color: var(--color-text);
}

.case-study-nav-link.prev .arrow {
  transition: transform 0.2s var(--ease-out-expo);
}

.case-study-nav-link.prev:hover .arrow {
  transform: translateX(-4px);
}

.case-study-nav-link.next .arrow {
  transition: transform 0.2s var(--ease-out-expo);
}

.case-study-nav-link.next:hover .arrow {
  transform: translateX(4px);
}

/* Invisible placeholder for single-direction nav */
.case-study-nav-link.hidden {
  visibility: hidden;
}

/* Responsive */
@media (max-width: 1100px) {
  .case-study-section {
    padding: 3rem 2.5rem !important;
  }

  .case-study-header {
    flex-direction: column;
    gap: 2.5rem;
    padding: 3rem 2.5rem;
  }

  .case-study-header-right {
    width: 100%;
    padding-top: 0;
    gap: 2rem;
  }

  .case-study-intro-text,
  .case-study-intro-text p {
    font-size: 1.1875rem;  /* 19px */
    line-height: 1.65;
  }

  .case-study-name {
    font-size: 2.5rem;  /* 40px */
  }

  .case-study-role {
    font-size: 1rem;  /* 16px */
  }

  .tag {
    font-size: 0.75rem;  /* 12px */
    padding: 0.4375rem 0.875rem;
  }
}

@media (max-width: 768px) {
  body.case-study-page {
    padding: 1rem;
  }

  .case-study-section {
    padding: 2rem 1.5rem !important;
  }

  .back-link {
    width: 2.75rem;
    height: 2.75rem;
  }

  .case-study-header {
    padding: 2rem 1.5rem;
  }

  .case-study-intro-text,
  .case-study-intro-text p {
    font-size: 1.0625rem;  /* 17px */
    line-height: 1.7;
  }

  .case-study-name {
    font-size: 2.25rem;  /* 36px */
  }

  .case-study-role {
    font-size: 0.9375rem;  /* 15px */
  }

  .tag {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
  }

  .work-container {
    padding: 1rem;
    border-radius: 1rem;
  }

  .work-samples {
    gap: 1rem;
    padding: 1rem;
  }

  .case-study-footer {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  body.case-study-page {
    padding: 0.75rem;
  }

  .case-study-card {
    border-radius: 1rem;
  }

  .case-study-section {
    padding: 1.5rem 1rem !important;
  }

  .case-study-header {
    padding: 1.5rem 1rem;
  }

  .case-study-intro-text,
  .case-study-intro-text p {
    font-size: 1rem;  /* 16px */
    line-height: 1.7;
  }

  .case-study-name {
    font-size: 2rem;  /* 32px */
  }

  .case-study-role {
    font-size: 0.875rem;  /* 14px */
  }

  .tag {
    font-size: 0.6875rem;  /* 11px */
    padding: 0.3125rem 0.625rem;
  }

  .work-container {
    padding: 0.75rem;
    border-radius: 0.75rem;
  }

  .work-samples {
    padding: 0.75rem;
  }

  .case-study-footer {
    padding: 1.5rem 1rem;
  }

  .more-work-link {
    display: none;
  }
}