/* Stack Lab 2026 — AGT-23. Escopo isolado da camada comercial. */
.stack-lab-section{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#f7f9fc 55%,#fff 100%);padding:96px 0}
.stack-lab-section:before{content:"";position:absolute;inset:0 0 auto;height:420px;background:radial-gradient(circle at 85% 0,rgba(37,99,255,.1),transparent 42%);pointer-events:none}
.stack-lab-header{position:relative;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:34px}
.stack-lab-header h2{font-family:Sora,Inter,sans-serif;font-size:clamp(36px,4.5vw,58px);line-height:1.04;letter-spacing:-.045em;margin:0;color:#0f172a}
.stack-lab-header>div>p:last-child{max-width:650px;margin:18px 0 0;color:#64748b;line-height:1.7}
.stack-lab-tabs{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.stack-lab-tabs a{padding:10px 15px;border:1px solid #dbe3ef;border-radius:999px;color:#475569;font-size:12px;font-weight:700;background:rgba(255,255,255,.8)}
.stack-lab-tabs a:hover,.stack-lab-tabs a.active{background:#0f172a;color:#fff;border-color:#0f172a}
.lab-feature{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);overflow:hidden;border:1px solid #dbe3ef;border-radius:24px;background:#fff;box-shadow:0 24px 70px rgba(15,23,42,.09)}
.lab-feature-media{position:relative;min-height:410px;background:#081427;overflow:hidden}
.lab-feature-media picture,.lab-feature-media img{display:block;width:100%;height:100%}
.lab-feature-media img{object-fit:cover}
.lab-feature-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 58%,rgba(8,20,39,.45)),linear-gradient(0deg,rgba(8,20,39,.28),transparent 45%)}
.lab-feature-badge{position:absolute;z-index:1;top:22px;left:22px;padding:8px 11px;border-radius:999px;background:#fff;color:#0f172a;font-size:9px;font-weight:800;letter-spacing:.14em}
.lab-feature-copy{display:flex;flex-direction:column;justify-content:center;padding:44px}
.lab-meta{display:flex;align-items:center;gap:12px;color:#64748b;font-size:10px;font-weight:700;letter-spacing:.08em}
.lab-meta span{color:#2563ff}
.lab-meta small{padding-left:12px;border-left:1px solid #dbe3ef}
.lab-feature h3{margin:16px 0 14px;font-family:Sora,Inter,sans-serif;font-size:clamp(28px,3vw,39px);line-height:1.12;letter-spacing:-.035em;color:#0f172a}
.lab-feature-copy>p{color:#64748b;font-size:14px;line-height:1.75;margin:0}
.lab-tags{display:flex;gap:7px;flex-wrap:wrap}
.lab-tags span{padding:6px 9px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:9px;font-weight:800}
.lab-feature-copy>.lab-tags{margin-top:22px}
.lab-feature-actions{display:flex;align-items:center;gap:20px;margin-top:26px}
.lab-feature-actions .button{min-height:45px}
.lab-text-link{color:#2563ff;font-size:12px;font-weight:800}
.lab-block{padding-top:72px;scroll-margin-top:120px}
.lab-block-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px}
.lab-block-head h3{font-family:Sora,Inter,sans-serif;font-size:clamp(26px,3vw,36px);letter-spacing:-.035em;margin:4px 0 0;color:#0f172a}
.lab-block-head>p{color:#94a3b8;font-size:11px;font-weight:700}
.radar-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.radar-card{position:relative;display:flex;flex-direction:column;min-height:315px;padding:24px;border:1px solid #dbe3ef;border-radius:18px;background:#fff;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.radar-card:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--radar,#2563ff)}
.radar-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,23,42,.09)}
.radar-nvidia{--radar:#76b900}.radar-intel{--radar:#00a3e0}.radar-amd{--radar:#ed1c24}.radar-stack{--radar:#2563ff}
.radar-top{display:flex;justify-content:space-between;color:#64748b;font-size:9px;font-weight:800;letter-spacing:.09em}
.radar-top span{color:var(--radar)}
.radar-icon{font-size:37px;color:var(--radar);margin:25px 0 15px}
.radar-card h4{font-size:18px;line-height:1.28;color:#0f172a;margin:0}
.radar-card p{color:#64748b;font-size:12px;line-height:1.6;margin:10px 0 16px}
.radar-card>.lab-tags{margin-top:auto}
.radar-card>a{display:inline-flex;gap:5px;margin-top:18px;color:#2563ff;font-size:11px;font-weight:800}
.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.guide-card{display:flex;flex-direction:column;min-height:300px;padding:26px;border:1px solid #dbe3ef;border-radius:18px;background:#fff}
.guide-card>span:not(.material-symbols-outlined),.guide-feature>div:last-child>span{color:#2563ff;font-size:9px;font-weight:800;letter-spacing:.12em}
.guide-icon{font-size:42px;color:#2563ff;margin-bottom:28px}
.guide-product-media{display:flex;align-items:center;justify-content:flex-start;height:148px;margin:-8px 0 14px;overflow:hidden}
.guide-product-media img{display:block;width:auto;max-width:96%;height:138px;object-fit:contain;object-position:left center;filter:drop-shadow(0 16px 18px rgba(15,23,42,.16));transition:transform .25s ease}
.guide-card:hover .guide-product-media img{transform:scale(1.04)}
.guide-card h4{font-size:20px;line-height:1.25;color:#0f172a;margin:11px 0 8px}
.guide-card p{font-size:12px;line-height:1.65;color:#64748b;margin:0 0 20px}
.guide-card a{margin-top:auto;color:#2563ff;font-size:11px;font-weight:800}
.guide-feature{grid-column:span 2;display:grid;grid-template-columns:.9fr 1.1fr;padding:0;overflow:hidden}
.guide-feature>div:last-child{display:flex;flex-direction:column;padding:30px}
.guide-visual{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:25px;background:linear-gradient(145deg,#071326,#12366f);color:#fff}
.guide-visual>.material-symbols-outlined{font-size:72px;color:#38ddf8}
.guide-visual>div{display:flex;gap:8px}
.guide-visual b{padding:7px 9px;border:1px solid rgba(255,255,255,.25);border-radius:7px;font-size:10px}
.guide-visual-image{overflow:hidden;padding:0}
.guide-visual-image picture,.guide-visual-image img{display:block;width:100%;height:100%}
.guide-visual-image img{object-fit:cover;object-position:center}
.lab-recommend{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);min-height:470px;margin-top:72px;border-radius:24px;overflow:hidden;background:linear-gradient(125deg,#061226 0%,#0b3471 100%);color:#fff;scroll-margin-top:120px}
.lab-recommend>*{min-width:0}
.lab-recommend-copy{padding:56px}
.lab-recommend h3{font-family:Sora,Inter,sans-serif;font-size:clamp(35px,4vw,50px);letter-spacing:-.045em;margin:8px 0 14px}
.lab-recommend-copy>p:not(.section-kicker){max-width:580px;color:#b7c7dd;line-height:1.7}
.lab-recommend ul{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:28px 0 32px;padding:0;list-style:none}
.lab-recommend li{padding:13px 15px;border:1px solid rgba(255,255,255,.13);border-radius:10px;background:rgba(255,255,255,.04)}
.lab-recommend li span,.lab-recommend li b{display:block}
.lab-recommend li span{color:#72c9ff;font-size:8px;font-weight:800;letter-spacing:.12em}
.lab-recommend li b{font-size:11px;margin-top:4px}
.lab-recommend-art{position:relative;display:grid;place-items:center;min-width:0;min-height:420px;overflow:hidden;isolation:isolate;background:radial-gradient(circle,rgba(56,221,248,.19),transparent 57%)}
.lab-recommend-art:after{content:"";position:absolute;z-index:-1;inset:12% -12% -18% 8%;border-radius:50%;background:radial-gradient(circle,rgba(37,99,255,.28),transparent 66%);filter:blur(12px)}
.lab-recommend-picture{position:absolute;z-index:0;inset:0;display:block}
.lab-recommend-picture img{display:block;width:100%;height:100%;object-fit:contain;object-position:center;border-radius:0;filter:drop-shadow(0 28px 28px rgba(0,0,0,.36))}
.lab-resolution{position:absolute;z-index:1;top:40px;right:30px;font-size:70px;font-weight:900;letter-spacing:-.08em;color:rgba(255,255,255,.12);pointer-events:none}
.lab-resolution span{font-size:.5em}

.lab-performance{position:absolute;z-index:2;left:20px;bottom:40px;padding:16px 20px;border:1px solid rgba(255,255,255,.18);border-radius:13px;background:rgba(4,14,31,.82);box-shadow:0 16px 35px rgba(0,0,0,.24);backdrop-filter:blur(10px)}
.lab-performance b,.lab-performance strong,.lab-performance small{display:block}
.lab-performance b{color:#72c9ff;font-size:8px;letter-spacing:.1em}
.lab-performance strong{font-size:48px;line-height:1}.lab-performance strong span{font-size:.5em;color:#38ddf8}
.lab-performance small{font-size:8px;letter-spacing:.18em;color:#9fb3cf}
@media(max-width:980px){
  .stack-lab-header{display:block}.stack-lab-tabs{justify-content:flex-start;margin-top:24px}
  .lab-feature{grid-template-columns:1fr}.lab-feature-media{min-height:340px}.lab-feature-media:after{background:linear-gradient(0deg,rgba(8,20,39,.32),transparent 50%)}
  .radar-track{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lab-recommend{grid-template-columns:minmax(0,1fr)}.lab-recommend-copy{padding:44px}.lab-recommend ul{grid-template-columns:1fr 1fr}.lab-recommend-art{min-height:0;aspect-ratio:3/2}.lab-recommend-picture{inset:0}
}
@media(max-width:720px){
  .stack-lab-section{padding:68px 0}.stack-lab-header h2{font-size:37px}
  .stack-lab-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px;justify-content:flex-start;scrollbar-width:none}.stack-lab-tabs::-webkit-scrollbar{display:none}.stack-lab-tabs a{white-space:nowrap}
  .lab-feature{border-radius:18px}.lab-feature-media{min-height:240px}.lab-feature-copy{padding:26px}.lab-feature h3{font-size:27px}.lab-feature-actions{align-items:flex-start;flex-direction:column;gap:14px}
  .lab-block{padding-top:54px}.lab-block-head{align-items:flex-start}.lab-block-head>p{display:none}
  .radar-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin-right:-14px;padding:0 14px 15px 0;scrollbar-width:none}.radar-track::-webkit-scrollbar{display:none}.radar-card{min-width:84%;scroll-snap-align:start}
  .guide-grid{grid-template-columns:1fr}.guide-feature{grid-column:auto;grid-template-columns:1fr}.guide-visual{min-height:220px}.guide-card{min-height:330px}.guide-product-media{height:136px;margin-top:-4px}.guide-product-media img{height:128px;max-width:96%}
  .lab-recommend{grid-template-columns:minmax(0,1fr);min-height:0;margin-top:54px;border-radius:18px}.lab-recommend-copy{padding:34px 26px 28px}.lab-recommend h3{font-size:34px;line-height:1.08}.lab-recommend ul{grid-template-columns:1fr 1fr;gap:8px}.lab-recommend li{padding:11px 12px}.lab-recommend-art{min-height:0;aspect-ratio:3/2}.lab-recommend-picture{inset:0}.lab-resolution{top:24px;right:20px;font-size:48px}.lab-performance{left:22px;bottom:24px;padding:13px 16px}.lab-performance strong{font-size:40px}
}
@media(prefers-reduced-motion:reduce){.radar-card{transition:none}.radar-card:hover{transform:none}}