/* ============================================================
   WORK.CSS
   Horizontal drag showcase, card expand, animated visuals.
   ============================================================ */

#work {
  position: relative;
  /* height set by JS based on number of projects */
  border-top: 1px solid var(--gray-2);
}

/* ── SECTION HEADER ── */
.work-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 20;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--page-pad);
  pointer-events: none;
}

.work-counter {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--amber);
}

/* ── LEFT INDEX ── */
.work-index {
  position: absolute;
  left: var(--page-pad);
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: none;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.idx-line {
  width: 22px;
  height: 1px;
  background: var(--gray-3);
  transition: width 0.4s var(--ease-out-expo),
              background 0.4s;
}
.idx-line.active {
  width: 42px;
  background: var(--amber);
}

/* ── DRAG HINT ── */
.drag-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--offwhite);
  opacity: 0.22;
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: none;
  animation: hintFloat 3s ease-in-out infinite;
}
@keyframes hintFloat {
  0%, 100% { opacity: 0.22; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 0.4;  transform: translateX(-50%) translateY(-4px); }
}

/* ── CARDS VIEWPORT ── */
.cards-viewport {
  position: sticky;
  top: 0;
  height: 100vh;
  inset: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  cursor: none;
}

.cards-track {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 var(--page-pad) 0 calc(var(--page-pad) + 60px);
  will-change: transform;
  user-select: none;
  -webkit-user-select: none;
}

/* ── PROJECT CARD ── */
.proj-card {
  position: relative;
  width: 400px;
  height: 68vh;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--gray-2);
  cursor: none;
  transition: border-color 0.5s var(--ease-out-expo);
}
.proj-card:hover {
  border-color: rgba(45, 226, 230, 0.28);
}
.proj-card.featured {
  width: 500px;
  height: 74vh;
  border-color: rgba(45, 226, 230, 0.15);
}

/* Canvas visual */
.card-canvas-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.card-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  transition: transform 0.7s var(--ease-out-expo);
}
.card-canvas-wrap div,
.card-canvas-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out-expo);
}
.proj-card:hover .card-canvas-wrap div,
.proj-card:hover .card-canvas-wrap img {
  transform: scale(1.05);
}
.proj-card:hover .card-canvas-wrap canvas {
  transform: scale(1.05);
}

/* Color bloom on hover */
.card-bloom {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.6s var(--ease-out-expo);
}
.proj-card:hover .card-bloom { opacity: 1; }

/* Gradient overlay */
.card-grad {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8, 8, 8, 0.97) 0%,
    rgba(8, 8, 8, 0.45) 45%,
    rgba(8, 8, 8, 0.08) 100%
  );
  z-index: 2;
}

/* Card info */
.card-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 30px 28px;
  z-index: 3;
  transform: translateY(6px);
  transition: transform 0.5s var(--ease-out-expo);
}
.proj-card:hover .card-info { transform: translateY(0); }

.card-num {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--amber);
  margin-bottom: 9px;
}
.card-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.8vw, 52px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--offwhite);
  margin-bottom: 10px;
}
.proj-card.featured .card-title { font-size: clamp(34px, 4.5vw, 62px); }

.card-tags {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s 0.08s var(--ease-out-expo),
              transform 0.4s 0.08s var(--ease-out-expo);
}
.proj-card:hover .card-tags { opacity: 1; transform: translateY(0); }

.card-tag {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 9px;
  border: 1px solid rgba(45, 226, 230, 0.28);
  color: var(--amber);
}

.card-view {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--offwhite);
  opacity: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.3s 0.14s var(--ease-out-expo);
}
.proj-card:hover .card-view { opacity: 0.45; }
.card-view-line {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--offwhite);
}

/* ── EXPAND OVERLAY ── */
#expand-overlay {
  position: fixed;
  inset: 0;
  z-index: 800;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0s 0.7s; /* hidden after close */
}
#expand-overlay.open {
  pointer-events: all;
  opacity: 1;
  transition: none;
}

#expand-bg {
  position: absolute;
  inset: 0;
  background: #090907;
  clip-path: circle(0% at 50% 50%);
}
#expand-overlay.open #expand-bg {
  transition: clip-path 0.72s var(--ease-in-out);
  clip-path: circle(150% at 50% 50%);
}
#expand-overlay.closing #expand-bg {
  transition: clip-path 0.55s var(--ease-in-out);
  clip-path: circle(0% at 50% 10%);
}

/* Close button */
#expand-close {
  position: absolute;
  top: 34px; right: var(--page-pad);
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--offwhite);
  opacity: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.4s 0.55s var(--ease-out-expo), color 0.3s;
  cursor: none;
}
#expand-overlay.open #expand-close { opacity: 0.4; }
#expand-close:hover { opacity: 1 !important; color: var(--amber); }
#expand-close::before {
  content: '×';
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1;
}

/* Expand content */
#expand-content {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s 0.52s var(--ease-out-expo);
  overflow-y: auto;
  padding: 90px var(--page-pad) var(--page-pad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
#expand-overlay.open #expand-content { opacity: 1; }

/* Expand visual */
.exp-visual {
  width: 100%;
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--gray-2);
}

/* Expand text */
.exp-body {}

.exp-eyebrow {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.exp-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--amber);
}

.exp-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 110px);
  line-height: 0.9;
  letter-spacing: -0.01em;
  color: var(--offwhite);
  margin-bottom: 24px;
}

.exp-desc {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.8;
  color: var(--offwhite);
  opacity: 0.6;
  margin-bottom: 36px;
}

.exp-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  border-top: 1px solid var(--gray-2);
  padding-top: 28px;
}
.exp-meta-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 5px;
}
.exp-meta-val {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--offwhite);
}

/* ──────────────────────────────────────────────────────────
   EXPAND OVERLAY — MOBILE
   Stack to a single scrollable column so long descriptions
   never compress or hide behind the image on short devices.
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #expand-content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: 76px var(--page-pad) 64px;
    align-content: start;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  /* Keep the image a sensible, bounded size so text stays on screen */
  .exp-visual {
    aspect-ratio: 16 / 10;
    max-height: 38vh;
  }

  .exp-title {
    font-size: clamp(40px, 13vw, 64px);
    margin-bottom: 18px;
  }

  .exp-desc {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 28px;
  }

  .exp-meta {
    gap: 14px;
    padding-top: 22px;
  }
}