.proj-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(320px, 1fr)); gap:1.4rem; }

.proj-card {
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative;
  transition: transform .35s cubic-bezier(.25,.46,.45,.94), border-color .3s, box-shadow .35s;
}
.proj-card:hover {
  transform: translateY(-8px);
  border-color: var(--border2);
  box-shadow: 0 24px 50px rgba(107,92,255,.13);
}

.proj-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; z-index: 2;
  background: linear-gradient(90deg, var(--p500), var(--p300), transparent);
  transform: scaleX(0); transform-origin: left; transition: transform .5s ease;
}
.proj-card:hover::before { transform: scaleX(1); }

.proj-header {
  height: 120px;
  background: var(--surf2);
  position: relative;
  overflow: hidden;
}
.proj-header::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(107,92,255,.1) 0%, rgba(180,0,255,.05) 100%);
}
.proj-header::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(139,61,255,.2) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0; transition: opacity .4s;
}
.proj-card:hover .proj-header::after { opacity: 1; }

.proj-scan {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(139,61,255,.1) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform .65s ease;
}
.proj-card:hover .proj-scan { transform: translateX(110%); }

.proj-num {
  position: absolute; bottom: .6rem; right: 1.1rem;
  font-family: var(--font-display); font-size: 4.5rem; line-height: 1;
  color: rgba(139,61,255,.1); user-select: none;
  transition: color .35s, transform .4s cubic-bezier(.34,1.56,.64,1);
}
.proj-card:hover .proj-num { color: rgba(139,61,255,.22); transform: scale(1.1) translateY(-4px); }

.proj-body { padding: 1.4rem; }

.proj-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .9rem; }

.tag-chip {
  font-family: var(--font-mono); font-size: .61rem; font-weight: 500;
  letter-spacing: .5px; text-transform: uppercase;
  padding: .25rem .7rem;
  background: rgba(139,61,255,.08); border: 1px solid rgba(107,92,255,.22); color: var(--p300);
  display: inline-block;
  transition: background .2s, border-color .2s, color .2s,
              transform .32s cubic-bezier(.34,1.56,.64,1), box-shadow .2s;
}
.proj-card:hover .tag-chip {
  background: rgba(139,61,255,.17); border-color: rgba(107,92,255,.45);
  color: var(--p200); transform: translateY(-2px);
}
.proj-card:hover .tag-chip:nth-child(1) { transition-delay:.04s }
.proj-card:hover .tag-chip:nth-child(2) { transition-delay:.08s }
.proj-card:hover .tag-chip:nth-child(3) { transition-delay:.12s }
.proj-card:hover .tag-chip:nth-child(4) { transition-delay:.16s }
.proj-card:hover .tag-chip:nth-child(5) { transition-delay:.20s }
.proj-card:hover .tag-chip:nth-child(6) { transition-delay:.24s }
.proj-card:hover .tag-chip:nth-child(7) { transition-delay:.28s }
.proj-card:hover .tag-chip:nth-child(8) { transition-delay:.32s }
.tag-chip:hover {
  background: rgba(139,61,255,.28) !important; border-color: var(--p400) !important;
  color: var(--p100) !important; transform: translateY(-3px) scale(1.09) !important;
  box-shadow: 0 0 12px rgba(107,92,255,.3) !important; transition-delay: 0s !important;
}

.proj-title-card {
  font-size: 1.05rem; font-weight: 600; line-height: 1.3; margin-bottom: .55rem;
  transition: color .25s;
}
.proj-card:hover .proj-title-card { color: var(--p200); }

.proj-desc-wrap {
  position: relative;
  max-height: 4.8em;
  overflow: hidden;
  transition: max-height .5s cubic-bezier(.4,0,.2,1);
}
.proj-card.open .proj-desc-wrap { max-height: 1200px; }

.proj-fade {
  position: absolute; bottom: 0; left: 0; right: 0; height: 2.8em;
  background: linear-gradient(to bottom, transparent, var(--surface));
  pointer-events: none; transition: opacity .35s;
}
.proj-card.open .proj-fade { opacity: 0; }

.proj-desc-card {
  font-size: .82rem; color: var(--text2); line-height: 1.85;
}

.proj-toggle {
  display: flex; align-items: center; gap: .45rem;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-mono); font-size: .63rem; letter-spacing: 1px; text-transform: uppercase;
  color: var(--p400); padding: .7rem 0 0; margin-top: .7rem; width: 100%;
  border-top: 1px solid var(--border); transition: color .2s;
}
.proj-toggle:hover { color: var(--p300); }
.proj-toggle i { font-size: .8rem; transition: transform .4s cubic-bezier(.34,1.56,.64,1); }
.proj-card.open .proj-toggle i { transform: rotate(180deg); }