.stack-showcase{position:relative;overflow:hidden;background:linear-gradient(180deg,#050625 0%,#080b31 48%,#050625 100%)}
.stack-showcase:before{content:"";position:absolute;left:50%;top:19%;width:72vw;height:72vw;max-width:1050px;max-height:1050px;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,rgba(75,220,245,.1),rgba(118,85,255,.055) 38%,transparent 69%);pointer-events:none}
.stack-showcase .container{position:relative}.stack-intro{display:grid;grid-template-columns:1.15fr .85fr;gap:8vw;align-items:end}.stack-intro .title span{color:transparent;-webkit-text-stroke:1px rgba(248,249,255,.62)}.stack-lead{max-width:580px}.stack-lead p{margin:0;color:var(--sb-muted);font-size:17px;line-height:1.7}.stack-lead a{display:inline-flex;gap:10px;align-items:center;min-height:44px;margin-top:25px;color:var(--sb-cyan);font-weight:800;text-decoration:none}.stack-lead a span{transition:transform .2s ease}.stack-lead a:hover span{transform:translate(3px,-3px)}
.stack-system{display:grid;grid-template-columns:minmax(250px,.74fr) minmax(0,1.55fr);gap:14px;margin-top:60px}.stack-core,.stack-layer,.integration-strip{border:1px solid var(--sb-line);border-radius:26px}.stack-core{position:relative;overflow:hidden;min-height:580px;padding:34px;display:flex;flex-direction:column;background:linear-gradient(155deg,#163d61 0%,#111744 52%,#0b0d31 100%)}.stack-core:after{content:"";position:absolute;right:-100px;bottom:-100px;width:330px;height:330px;border:1px solid rgba(75,220,245,.18);border-radius:50%;box-shadow:0 0 0 54px rgba(75,220,245,.035),0 0 0 108px rgba(118,85,255,.025)}.stack-core-kicker{position:relative;z-index:1;color:var(--sb-cyan);font:800 12px/1.2 monospace;letter-spacing:.16em}.stack-core strong{position:relative;z-index:1;margin-top:90px;font-size:clamp(31px,3.2vw,50px);line-height:1.02;letter-spacing:-.045em}.stack-core p{position:relative;z-index:1;max-width:390px;margin:22px 0;color:#bbc5df;line-height:1.6}.stack-pulse{position:relative;z-index:1;display:flex;gap:7px;margin-top:auto}.stack-pulse i{width:9px;height:9px;border-radius:50%;background:var(--sb-cyan);box-shadow:0 0 16px rgba(75,220,245,.75);animation:stackPulse 2.4s ease-in-out infinite}.stack-pulse i:nth-child(2){animation-delay:.22s;background:#6880ff}.stack-pulse i:nth-child(3){animation-delay:.44s;background:#7655ff}
.stack-layers{display:grid;grid-template-rows:repeat(3,1fr);gap:14px}.stack-layer{position:relative;overflow:hidden;padding:27px 29px;display:grid;grid-template-columns:minmax(210px,.68fr) minmax(230px,.8fr) minmax(270px,1.1fr);gap:26px;align-items:center;background:linear-gradient(115deg,#0f133e,#090c30);transition:border-color .25s ease,transform .25s ease}.stack-layer:after{content:"";position:absolute;right:-80px;top:50%;width:170px;height:170px;transform:translateY(-50%);border:1px solid rgba(75,220,245,.13);border-radius:50%}.stack-layer:hover{transform:translateX(5px);border-color:rgba(75,220,245,.42)}.stack-layer-head{display:grid;grid-template-columns:34px 1fr;align-items:center}.stack-layer-head span{grid-row:1/3;color:var(--sb-cyan);font:800 12px monospace}.stack-layer-head h3{margin:0;font-size:26px;letter-spacing:-.025em}.stack-layer-head b{color:#7881aa;font-size:11px;letter-spacing:.13em;text-transform:uppercase}.stack-layer>p{margin:0;color:var(--sb-muted);font-size:14px;line-height:1.55}.stack-tags{position:relative;z-index:1;display:flex;justify-content:flex-end;flex-wrap:wrap;gap:7px}.stack-tags span{padding:8px 11px;border:1px solid #303762;border-radius:999px;background:#151a48;color:#dce1f7;font:700 11px/1.1 monospace}.stack-back .stack-tags span:nth-child(2),.stack-platform .stack-tags span:first-child{border-color:rgba(75,220,245,.4);color:var(--sb-cyan)}
.integration-strip{margin-top:14px;padding:32px;display:grid;grid-template-columns:105px minmax(300px,1fr) minmax(320px,.9fr);gap:32px;align-items:center;background:linear-gradient(110deg,#101440,#0b0e33)}.integration-strip h3{margin:8px 0 10px;font-size:clamp(25px,3vw,39px);letter-spacing:-.035em}.integration-strip p:not(.tag){max-width:760px;margin:0;color:var(--sb-muted);line-height:1.6}.integration-strip ul{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.integration-strip li{padding:10px 13px;border-radius:10px;background:#080b2d;border:1px solid #282e59;color:#cbd1eb;font-size:12px;font-weight:800}.integration-mark{display:flex;align-items:center}.integration-mark span{width:22px;height:22px;border:2px solid var(--sb-cyan);border-radius:7px;transform:rotate(45deg)}.integration-mark i{width:36px;height:1px;background:linear-gradient(90deg,var(--sb-cyan),#7655ff)}.integration-mark span:last-child{border-color:#7655ff}
@keyframes stackPulse{0%,100%{opacity:.45;transform:scale(.82)}50%{opacity:1;transform:scale(1.08)}}
@media(max-width:1120px){.stack-system{grid-template-columns:1fr}.stack-core{min-height:360px}.stack-core strong{margin-top:60px}.stack-layer{grid-template-columns:minmax(190px,.7fr) 1fr}.stack-tags{grid-column:1/-1;justify-content:flex-start}.integration-strip{grid-template-columns:80px 1fr}.integration-strip ul{grid-column:2}}
@media(max-width:700px){.stack-intro{grid-template-columns:1fr;gap:22px}.stack-intro .title span{color:rgba(248,249,255,.7);-webkit-text-stroke:0}.stack-system{margin-top:42px}.stack-core{min-height:330px;padding:25px}.stack-core strong{margin-top:44px}.stack-layer{padding:23px;grid-template-columns:1fr;gap:15px}.stack-layer:hover{transform:none}.stack-tags{grid-column:auto;justify-content:flex-start}.integration-strip{padding:25px;grid-template-columns:1fr;gap:20px}.integration-strip ul{grid-column:auto}.integration-mark{display:none}}
@media(prefers-reduced-motion:reduce){.stack-pulse i{animation:none}.stack-lead a span,.stack-layer{transition:none}}