.techstack{z-index:1;position:relative;overflow:hidden}.techstack__header{text-align:center;margin-bottom:var(--space-3xl)}.techstack__header .section-subtitle{margin:0 auto}.techstack__categories{gap:var(--space-lg);grid-template-columns:repeat(2,1fr);display:grid}.techstack__category{padding:var(--space-xl);position:relative;overflow:hidden}.techstack__category:first-child{background:linear-gradient(135deg,#7c3aed14,#7c3aed05);border:1px solid #7c3aed26;box-shadow:0 10px 30px #7c3aed0d}.techstack__category:nth-child(2){background:linear-gradient(135deg,#2563eb14,#2563eb05);border:1px solid #2563eb26;box-shadow:0 10px 30px #2563eb0d}.techstack__category:nth-child(3){background:linear-gradient(135deg,#e11d4814,#e11d4805);border:1px solid #e11d4826;box-shadow:0 10px 30px #e11d480d}.techstack__category:nth-child(4){background:linear-gradient(135deg,#10b98114,#10b98105);border:1px solid #10b98126;box-shadow:0 10px 30px #10b9810d}.techstack__category:before{content:"";background:linear-gradient(90deg, var(--clr-primary), var(--clr-secondary), transparent);opacity:.8;height:3px;position:absolute;top:0;left:0;right:0}.techstack__category-title{font-size:var(--fs-md);margin-bottom:var(--space-lg);color:var(--clr-text);letter-spacing:-.01em;font-weight:700}.techstack__pills{gap:var(--space-sm);flex-wrap:wrap;display:flex}.techstack__pill{font-size:var(--fs-sm);color:var(--clr-text-secondary);backdrop-filter:blur(8px);border-radius:var(--radius-full);cursor:default;transition:all .3s var(--ease-out);background:#fffc;border:1px solid #ffffff80;align-items:center;gap:8px;padding:8px 16px;font-weight:600;display:inline-flex;box-shadow:0 2px 8px #00000008}.techstack__pill:hover{color:var(--clr-text);background:#fff;border-color:#0000000d;box-shadow:0 4px 12px #00000014}.techstack__pill-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px;box-shadow:0 0 6px}.techstack__pill-icon{object-fit:contain;width:16px;height:16px;transition:transform var(--transition-fast);flex-shrink:0}.techstack__pill:hover .techstack__pill-icon{transform:scale(1.15)rotate(4deg)}.techstack__particles{pointer-events:none;z-index:-1;position:absolute;inset:0;overflow:hidden}.techstack__particle{background:var(--clr-primary);opacity:.15;border-radius:50%;animation:linear infinite techParticleFloat;position:absolute}@keyframes techParticleFloat{0%,to{opacity:.15;transform:translate(0)scale(1)}25%{opacity:.25;transform:translate(10px,-20px)scale(1.2)}50%{opacity:.1;transform:translate(-15px,-10px)scale(.8)}75%{opacity:.2;transform:translate(5px,15px)scale(1.1)}}@media (width<=768px){.techstack__categories{grid-template-columns:1fr}}