.about-intro{border-left:1px solid var(--border-strong);max-width:62ch;margin-top:clamp(36px,5vw,64px);padding-left:clamp(20px,3vw,34px);position:relative}.about-intro:before{content:"";background:linear-gradient(var(--accent), transparent);width:1px;height:64px;box-shadow:var(--glow);position:absolute;top:0;left:-1px}.about-intro p{color:var(--muted);margin-bottom:18px;font-size:1.05rem;line-height:1.75}.about-intro p:last-of-type{margin-bottom:0}.about-intro strong{color:var(--text)}.stack-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:22px;display:grid}.stack-card-wrap{perspective:1100px}.stack-card{--mx:50%;--my:50%;--rx:0deg;--ry:0deg;border:1px solid var(--border);background:radial-gradient(560px circle at var(--mx) var(--my), #00ffa314, transparent 46%), linear-gradient(180deg, var(--surface-2), var(--surface) 62%);height:100%;transform-style:preserve-3d;transform:rotateX(var(--rx)) rotateY(var(--ry)) translateZ(0);transition:transform .28s var(--ease), border-color .3s, box-shadow .35s;will-change:transform;border-radius:18px;padding:22px 22px 24px;position:relative}.stack-card:hover{border-color:#00ffa373;box-shadow:0 24px 60px #00000080,0 0 40px #00ffa31a}.stack-card__glow{border-radius:inherit;pointer-events:none;background:radial-gradient(320px circle at var(--mx) var(--my), #00ffa326, transparent 60%);opacity:0;transition:opacity .35s;position:absolute;inset:0}.stack-card:hover .stack-card__glow{opacity:1}.stack-card__scan{border-radius:inherit;pointer-events:none;opacity:0;transition:background-position 1.1s var(--ease), opacity .25s;background:linear-gradient(105deg,#0000 42%,#ffffff12 50%,#0000 58%) 220% 0/260% 100%;position:absolute;inset:0}.stack-card:hover .stack-card__scan{opacity:1;background-position:-120% 0}.stack-card__head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:14px;display:flex;transform:translateZ(28px)}.stack-card__tag{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);align-items:center;font-size:12px;display:inline-flex}.stack-card__count{font-family:var(--font-mono);color:var(--accent);background:#00ffa314;border:1px solid #00ffa359;border-radius:99px;flex-shrink:0;padding:2px 10px;font-size:11.5px;box-shadow:inset 0 0 12px #00ffa31f}.stack-card__techs{perspective:700px;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:10px;display:grid;position:relative}.stack-grid.is-booted .tech{animation:tech-in .8s var(--ease) both;animation-delay:calc(var(--i) * 42ms)}@keyframes tech-in{0%{opacity:0;filter:blur(6px);transform:translateY(16px)scale(.8)}to{opacity:1;filter:blur();transform:translateY(0)scale(1)}}.tech{font-family:var(--font-mono);color:var(--text);border:1px solid var(--border-strong);background:var(--bg-2);cursor:pointer;text-align:center;transform-style:preserve-3d;transition:border-color .3s, color .3s, transform .32s var(--ease), box-shadow .32s, background .3s;border-radius:13px;flex-direction:column;justify-content:flex-start;align-items:center;gap:9px;padding:16px 6px 13px;text-decoration:none;display:flex}.tech__icon{width:40px;height:40px;color:var(--muted-2);border:1px solid var(--border);background:#ffffff0a;border-radius:12px;justify-content:center;align-items:center;transition:color .3s,background .3s,border-color .3s,box-shadow .3s;display:inline-flex}.tech__icon svg{width:24px;height:24px;transition:transform .35s var(--ease), filter .35s;animation:5.5s ease-in-out infinite icon-float;display:block}.tech:nth-child(2n) .tech__icon svg{animation-duration:6.5s;animation-delay:-2s}@keyframes icon-float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.tech__name{letter-spacing:.01em;color:var(--muted);overflow-wrap:anywhere;max-width:100%;font-size:11px;line-height:1.2;transition:color .3s,text-shadow .3s}.tech:hover{background:#00ffa30a;border-color:#00ffa38c;transform:translateY(-5px)scale(1.05)rotateX(8deg);box-shadow:0 14px 34px #00000073,0 0 26px #00ffa329,inset 0 0 20px #00ffa30f}.tech:hover .tech__icon{color:var(--accent);background:var(--accent-soft);border-color:#00ffa380;box-shadow:0 0 18px #00ffa340}.tech:hover .tech__icon svg{filter:drop-shadow(0 0 8px #00ffa38c);animation-play-state:paused;transform:scale(1.3)rotate(9deg)}.tech:hover .tech__name{color:var(--accent);text-shadow:0 0 14px #00ffa380}.toolset-aurora{z-index:0;pointer-events:none;filter:blur(6px);background:radial-gradient(38% 42% at 12% 18%,#00ffa31a,#0000 60%),radial-gradient(38% 42% at 88% 30%,#7c5cff21,#0000 60%),radial-gradient(30% 34% at 55% 62%,#00ffa30d,#0000 60%);animation:16s ease-in-out infinite alternate aurora-drift;position:absolute;inset:-18% 0 0}@keyframes aurora-drift{0%{transform:translate(-1.5%,-1%)scale(1)}to{transform:translate(1.5%,1%)scale(1.08)}}.section--toolset>.container{z-index:1;position:relative}