.project-preview{grid-template-columns:repeat(4,1fr)}
.gem-count{margin-right:6px;color:#6b43c5;font-weight:700}
.collectible{position:absolute;z-index:1;color:#7654e8;font-size:clamp(18px,3vw,30px);filter:drop-shadow(0 2px 0 white) drop-shadow(0 0 7px rgba(118,84,232,.55));animation:crystal-float 1.4s ease-in-out infinite}
.grid-robot .collectible{opacity:.35}
@keyframes crystal-float{50%{transform:translateY(-4px) scale(1.08)}}
@media(max-width:900px){.project-preview{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.project-preview{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.collectible{animation:none}}