/* Shared layout for individual project case-study pages */

.case-hero {
  padding: 10rem 4rem 0;
  position: relative;
  overflow: hidden;
}

.case-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted-white);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2rem;
  transition: 0.25s ease;
}

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

.case-category {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(37, 204, 204, 0.45);
  background: rgba(37, 204, 204, 0.06);
  color: var(--text-main);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
}

.case-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  line-height: 0.98;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  max-width: 900px;
  margin-bottom: 1.4rem;
}

.case-hero > .case-hero-inner > p {
  max-width: 660px;
  color: var(--soft-white);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.65;
}

.case-meta-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line-color);
  border-bottom: 1px solid var(--line-color);
}

.case-meta-item span {
  display: block;
}

.case-meta-item .meta-label {
  font-size: 0.75rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.case-meta-item .meta-value {
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.4;
}

.case-cover {
  margin: 3rem auto 0;
  max-width: 1200px;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 16 / 9.5;
  background: #111111;
}

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

/* Section shell reused for mood board / sketches / final design / mockups / prototype */

.case-section {
  padding: 5.5rem 4rem;
}

.case-section:nth-of-type(even) {
  background: #030303;
}

.case-section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.case-section-head {
  margin-bottom: 2.75rem;
  max-width: 720px;
}

.case-index {
  display: block;
  color: var(--accent-cyan);
  font-size: 0.85rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.case-section-head h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 0.9rem;
}

.case-section-head p {
  color: var(--soft-white);
  line-height: 1.6;
}

.case-reflection p + p {
  margin-top: 1.2rem;
}

/* Mood board */

.moodboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 170px;
  gap: 1rem;
}

.moodboard-grid > *:nth-child(4n+1) {
  grid-column: span 2;
  grid-row: span 2;
}

/* Sketches */

.sketch-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.sketch-gallery > * {
  aspect-ratio: 4 / 3;
}

/* Final design (flat 2D) */

.final-design-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.final-design-grid > * {
  aspect-ratio: 4 / 3;
}

.final-design-grid.single-column {
  grid-template-columns: 1fr;
}

.final-design-grid.single-column > * {
  aspect-ratio: 16 / 9;
}

/* Use when the images being shown side by side have very different native
   aspect ratios (a landscape shot next to a portrait shot, for example) so
   forcing a shared aspect-ratio would crop one of them badly. Both tiles
   share a fixed height instead and each image keeps its own proportions. */
.final-design-grid.mixed-ratio {
  align-items: center;
}

.final-design-grid.mixed-ratio > * {
  aspect-ratio: auto;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
}

.final-design-grid.mixed-ratio .media-tile img {
  width: auto;
  height: 100%;
  object-fit: contain;
}

/* Mockup files */

.mockup-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.mockup-showcase > * {
  aspect-ratio: 3 / 4;
}

.mockup-showcase > *:first-child {
  grid-column: span 2;
  aspect-ratio: 8 / 5;
}

/* Use when there are exactly 2 closing mockups instead of 3, so the grid
   stays an even 2-up rather than forcing an asymmetric layout. */
.mockup-showcase.two-up {
  grid-template-columns: repeat(2, 1fr);
}

.mockup-showcase.two-up > *:first-child {
  grid-column: span 1;
  aspect-ratio: 3 / 4;
}

/* Dense deck grid — for projects with many source slides/images where a
   full-bleed section per image would make the page scroll forever. Packs
   everything into a tight, uniform grid instead so it can be seen at a
   glance. */
.deck-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.deck-grid > * {
  aspect-ratio: 16 / 9;
}

/* Case gallery — a continuous full-bleed sequence of screens that scale
   and fade in one at a time as they scroll into view, rather than being
   split into separate mood board / sketch / mockup subsections. */

.case-gallery {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.gallery-item {
  position: relative;
}

.gallery-item .placeholder-tile,
.gallery-item .media-tile {
  min-height: 60vh;
}

.gallery-item .card-index {
  top: 1.4rem;
  left: 1.4rem;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Media tiles (shared) */

.media-tile {
  border-radius: 22px;
  overflow: hidden;
  background: #111111;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

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

/* Placeholder tile — tasteful empty state, not a broken image */

.placeholder-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  height: 100%;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.015);
  color: var(--muted-white);
  text-align: center;
  padding: 1.5rem;
}

.placeholder-tile svg {
  width: 26px;
  height: 26px;
  opacity: 0.55;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.placeholder-tile span {
  font-size: 0.72rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  opacity: 0.75;
  max-width: 200px;
  line-height: 1.5;
}

/* Figma prototype embed (UI/UX projects) */

.figma-embed-wrap {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  aspect-ratio: 16 / 10;
  background: #0a0a0a;
}

.figma-embed-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.figma-embed-wrap .placeholder-tile {
  border: none;
  border-radius: 0;
}

.figma-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.2rem;
  color: var(--muted-white);
  font-size: 0.85rem;
}

/* Case navigation footer */

.case-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 3rem 4rem;
  border-top: 1px solid var(--line-color);
}

.case-nav a {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  color: var(--soft-white);
  transition: 0.25s ease;
}

.case-nav a:hover {
  color: var(--accent-cyan);
}

.case-nav .nav-direction {
  font-size: 0.75rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--muted-white);
}

.case-nav .nav-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.case-nav .next-link {
  text-align: right;
  align-items: flex-end;
}

@media (max-width: 1000px) {
  .case-meta-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .moodboard-grid,
  .sketch-gallery,
  .mockup-showcase {
    grid-template-columns: repeat(2, 1fr);
  }

  .mockup-showcase > *:first-child {
    grid-column: span 2;
  }

  .final-design-grid {
    grid-template-columns: 1fr;
  }

  .final-design-grid > * {
    aspect-ratio: 16 / 10;
  }

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

@media (max-width: 900px) {
  .case-hero,
  .case-section,
  .case-nav {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .case-hero {
    padding-top: 9rem;
  }

  .case-meta-row {
    grid-template-columns: 1fr 1fr;
  }

  .final-design-grid.mixed-ratio > * {
    height: 360px;
  }
}

@media (max-width: 640px) {
  .moodboard-grid,
  .sketch-gallery,
  .mockup-showcase {
    grid-template-columns: 1fr;
  }

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

  .final-design-grid.mixed-ratio > * {
    height: 300px;
  }

  .moodboard-grid > *:nth-child(4n+1),
  .mockup-showcase > *:first-child {
    grid-column: span 1;
  }

  .case-meta-row {
    grid-template-columns: 1fr;
  }

  .case-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .case-nav .next-link {
    text-align: left;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}