@import './variables.css';

/* Project Detail View Container */
.project-detail-view {
  padding-bottom: 80px;
  animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Back Navigation Bar */
.project-nav-bar {
  padding: 40px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  box-sizing: border-box;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.back-btn:hover {
  color: var(--text-primary);
  border-color: #C0C0C0;
  transform: translateX(-2px);
}

/* Project Hero */
.project-hero {
  padding: 20px 0 40px;
}

.project-category-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.project-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.project-hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.45;
  max-width: 820px;
  margin-bottom: 36px;
}

/* Project Meta Info Grid */
.project-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 48px;
}

.meta-item-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.meta-item-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Real Media Image Rendering & Placeholder Frames */
.project-hero-media {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.06);
  margin: 32px 0;
  border: 1px solid var(--border-color);
}

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

.media-frame {
  width: 100%;
  background: var(--bg-subtle);
  border: 1px dashed #D0D0D5;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  margin: 32px 0;
  padding: 24px;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.media-frame:hover {
  border-color: #999;
}

.media-frame-hero {
  aspect-ratio: 16 / 9;
  min-height: 320px;
  background: linear-gradient(135deg, #F0EEE5 0%, #E2DFD3 100%);
}

.media-frame-small {
  aspect-ratio: 16 / 10;
  min-height: 180px;
  margin: 20px 0 0 0;
}

.principle-media-container {
  margin-top: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

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

/* --- Principle inline bento grid (multi-image) --- */
.principle-bento-grid {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.principle-bento-grid-1 {
  grid-template-columns: 1fr;
}

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

/* 3 images : grande à gauche, deux empilées à droite */
.principle-bento-grid-3 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 520px;
}

.principle-bento-grid-3 .principle-bento-item {
  height: 100%;
}

.principle-bento-grid-3 .principle-bento-item:first-child {
  grid-row: span 2;
}

.principle-bento-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
  height: 520px;
  /* Fixed height = ratio stays constant */
  background: var(--bg-subtle);
}

.principle-bento-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Image fills, cropped, no distortion */
  display: block;
  transition: transform 0.4s ease;
}

.principle-bento-item:hover .principle-bento-img {
  transform: scale(1.03);
}

.principle-bento-contain {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
}

.principle-bento-img.img-contain {
  object-fit: contain;
  width: 100%;
  height: 100%;
}

.principle-bento-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  padding: 16px;
  border: 1px dashed #D0D0D5;
}

.img-caption {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 8px 12px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.frame-label {
  font-weight: 700;
  color: var(--text-secondary);
}

.frame-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Article Body Content */
.project-content-body {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.project-section {
  margin-bottom: 56px;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.project-text-paragraph {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Principles List & Layout */
.principles-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 24px;
}

.principle-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
}

/* Split layout : texte à gauche aligné en haut, illustration(s) portrait à droite avec fine bordure */
.principle-card-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: 36px;
  padding: 32px;
}

.principle-split-content {
  display: flex;
  flex-direction: column;
}

.principle-split-media {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: nowrap;
}

.principle-portrait-wrapper {
  position: relative;
  flex: 1 1 0;
  max-width: 220px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: none;
  border: 1px solid var(--border-subtle);
  background: transparent;
  transition: transform 0.3s ease, border-color 0.2s ease;
}

.principle-portrait-wrapper:hover {
  transform: translateY(-2px);
  border-color: var(--text-muted);
}

.principle-portrait-img {
  width: 100%;
  max-height: 420px;
  height: auto;
  display: block;
  object-fit: contain;
  margin: 0 auto;
}

.principle-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.principle-number {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--bg-dark);
  background: var(--bg-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.principle-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.principle-text {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* BENTO GRID LAYOUT */
.bento-section {
  margin-bottom: 56px;
}

.bento-grid {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.bento-grid-1 {
  grid-template-columns: 1fr;
}

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

.bento-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.bento-item {
  background: var(--bg-subtle);
  border: 1px dashed #D0D0D5;
  border-radius: var(--radius-md);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.bento-item-media {
  padding: 0;
  border: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
  height: 280px;
  /* Fixed height so images fill without breaking layout */
}

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

.img-caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(28, 27, 24, 0.82);
  color: #FFFFFF;
  font-size: 0.8rem;
  padding: 8px 12px;
  backdrop-filter: blur(4px);
  /* Hidden by default, visible on parent hover */
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.principle-bento-item:hover .img-caption-overlay,
.bento-item-media:hover .img-caption-overlay {
  opacity: 1;
  transform: translateY(0);
}

.bento-item:hover {
  border-color: #888;
  transform: translateY(-2px);
}

/* 3 images section bento : grande à gauche, deux empilées à droite */
.bento-grid-3 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 520px;
}

.bento-grid-3 .bento-item,
.bento-grid-3 .bento-item-media {
  height: 100%;
  min-height: unset;
}

.bento-grid-3 .bento-item:first-child,
.bento-grid-3 .bento-item-media:first-child {
  grid-row: span 2;
}

/* Results Metrics Grid */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.result-card-highlight {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.result-card-text {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Reflection Box */
.reflection-box {
  background: #EFECE3;
  border-left: 4px solid var(--bg-dark);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 32px;
  margin-top: 20px;
}

.reflection-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.reflection-text {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Next Project Navigation Footer */
.next-project-bar {
  margin-top: 80px;
  padding: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.next-project-bar:hover {
  transform: translateY(-2px);
  border-color: #C0C0C0;
}

.next-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.next-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* Mobile Adjustments for Case Studies */
@media (max-width: 768px) {

  .bento-grid-2,
  .bento-grid-3 {
    grid-template-columns: 1fr;
  }

  .principle-card {
    padding: 20px;
  }

  .principle-card-split {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .principle-portrait-wrapper {
    max-width: 260px;
  }

  .reflection-box {
    padding: 20px;
  }

  .media-frame-hero {
    aspect-ratio: 4 / 3;
    min-height: 220px;
  }

  .next-project-bar {
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  /* Bento collapse on mobile */
  .principle-bento-grid-2,
  .principle-bento-grid-3,
  .bento-grid-3 {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    height: auto;
  }

  .principle-bento-grid-3 .principle-bento-item,
  .bento-grid-3 .bento-item,
  .bento-grid-3 .bento-item-media {
    height: 240px;
  }

  .principle-bento-grid-3 .principle-bento-item:first-child,
  .bento-grid-3 .bento-item:first-child,
  .bento-grid-3 .bento-item-media:first-child {
    grid-row: unset;
  }

}

/* ================================================
   LIGHTBOX
   ================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 20px;
  animation: lbFadeIn 0.2s ease forwards;
}

.lightbox[hidden] { display: none; }

@keyframes lbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: calc(100vw - 160px);
  max-height: calc(100vh - 80px);
  animation: lbSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes lbSlideIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

.lightbox-image {
  max-width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  border-radius: 6px;
  display: block;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}

.lightbox-caption-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 4px 0;
  gap: 12px;
}

.lightbox-label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
  font-weight: 400;
  flex: 1;
}

.lightbox-counter {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
  z-index: 1001;
}

.lightbox-close:hover { background: rgba(255,255,255,0.2); }

.lightbox-nav {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.08);
}

.lightbox-nav:disabled {
  opacity: 0.2;
  cursor: default;
  transform: none;
}

/* Cursor zoom on all clickable project images */
.principle-bento-img,
.bento-img,
.hero-img {
  cursor: zoom-in;
}