.back-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  margin-bottom: 16px;
  transition: color 0.18s, transform 0.18s;
  text-decoration: none;
}
.back-arrow:hover {
  color: var(--accent);
  transform: translateX(-3px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.projects-grid.projects-cols {
  display: flex;
  gap: 12px;
  align-items: start;
}

.projects-col {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.18s;
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}
.project-card:hover {
  border-color: var(--accent);
}
.project-card.no-link {
  cursor: default;
}
.project-card.no-link:hover {
  border-color: var(--border);
}
.project-card.featured {
  grid-column: span 2;
}
.projects-grid .project-card:has(.thumb-a4) {
  grid-row: span 2;
}

.project-thumb {
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: var(--bg-card2);
  position: relative;
  transition: height 0.35s ease;
}

.project-thumb.thumb-a4 {
  height: auto;
  aspect-ratio: 210 / 297;
}

.carousel-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.35s ease;
}

.carousel-track img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  flex-shrink: 0;
}
.carousel-track .thumb-dark {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  border: none;
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  padding: 6px 10px;
  cursor: pointer;
  z-index: 2;
  border-radius: 4px;
  transition: background 0.15s;
}
.carousel-prev:hover,
.carousel-next:hover { background: rgba(0,0,0,0.7); }
.carousel-prev { left: 6px; }
.carousel-next { right: 6px; }

.carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 2;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.15s;
}
.dot.active { background: #fff; }
.project-thumb canvas,
.project-thumb img,
.project-thumb video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.project-thumb img.thumb-zoom {
  transform: scale(1.3);
}
.project-thumb video.thumb-zoom {
  transform: scale(2);
}
.project-thumb:has(video.thumb-contain) {
  height: auto;
  aspect-ratio: 16 / 9;
}
.project-thumb:has(img.thumb-half) {
  background: #000;
}
.project-thumb img.thumb-half {
  object-fit: contain;
  width: scale(1);
}

.audio-player {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  box-sizing: border-box;
  background: var(--bg-card2);
}
.audio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.audio-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.audio-count {
  font-size: 0.7rem;
  color: var(--muted);
  flex-shrink: 0;
}
.audio-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.audio-prev-btn,
.audio-next-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  transition: color 0.15s;
}
.audio-prev-btn:hover,
.audio-next-btn:hover { color: var(--text); }
.audio-play-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  transition: opacity 0.15s;
  flex-shrink: 0;
}
.audio-play-btn:hover { opacity: 0.85; }
.audio-play-btn svg { width: 14px; height: 14px; }
.audio-progress-wrap { display: flex; flex-direction: column; gap: 5px; }
.audio-bar {
  width: 100%;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  cursor: pointer;
}
.audio-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
}
.audio-times {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--muted);
}
.audio-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.thumb-dark {
  width: 100%;
  height: 100%;
  background: #0d0d0f;
  display: flex;
  align-items: center;
  justify-content: center;
}
.thumb-dark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.project-thumb video.thumb-leaf {
  transform: scale(1.3);
  translate: 0px -20px;
}
.thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.thumb-gameengine { background: linear-gradient(135deg, #0d1117, #1a1040); }
.thumb-fluid      { background: linear-gradient(135deg, #050d1f, #0a2040); }
.thumb-shader     { background: linear-gradient(135deg, #0f0a20, #1a0d35); }

.project-body {
  padding: 14px 18px 16px;
}

.project-type {
  font-size: 0.68rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 4px;
}

.project-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-wip {
  font-size: 0.62rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent2);
  border: 1px solid rgba(0, 212, 255, 0.25);
  flex-shrink: 0;
}

.project-date {
  margin-left: auto;
  font-size: 0.72rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 400;
  color: var(--muted);
  white-space: nowrap;
  padding-left: 8px;
}

.project-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 10px;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.stack-tag {
  font-size: 0.72rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(91, 79, 232, 0.15);
  color: #a89ef5;
  border: 1px solid rgba(91, 79, 232, 0.35);
}

.projects-cta {
  text-align: left;
  margin-top: 16px;
}

.project-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s;
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.projects-more {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.projects-creative-hint {
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.projects-creative-hint:hover { color: var(--accent2); }

@media (max-width: 900px) {
  .projects-grid { grid-template-columns: 1fr; }
  .projects-grid.projects-cols { flex-direction: column; }
  .project-card.featured { grid-column: span 1; }
  .project-name {
    flex-wrap: wrap;
    row-gap: 4px;
  }
  .project-title { flex-basis: 100%; }
  .badge-wip { margin-left: auto; flex-basis: auto; }
  .project-date { margin-left: 0px; padding-left: 0px; flex-basis: auto; }
}