/* Isolated feature preview; shared Dockvia tokens and font stacks remain authoritative. */
.stack-page .preview-status{padding:10px 24px;border-bottom:1px solid var(--line);color:var(--muted);font-size:11px;letter-spacing:.08em;text-align:center}
.stack-page .stack-shell{width:min(1120px,calc(100% - 80px));margin-inline:auto}
.stack-page .stack-breadcrumb{padding-top:27px;font-size:12px;color:var(--muted)}
.stack-breadcrumb ol{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.stack-breadcrumb li+li:before{content:"/";padding-inline-end:10px;color:#61758c}
.stack-breadcrumb a:hover,.stack-page .inline-link:hover{color:var(--text)}
.stack-page .stack-hero{padding:42px 0 94px;text-align:center}
.stack-page .stack-hero .kicker{margin-bottom:21px}
.stack-page h1{max-width:1050px;margin-inline:auto;font-size:clamp(2.6rem,4.5vw,4rem);line-height:1.06;letter-spacing:var(--tracking-hero);text-wrap:balance}
.stack-page h1 span{color:var(--blue)}
.stack-page .stack-statement{margin-top:25px;color:#d7e1ee;font-size:21px;line-height:1.4}
.stack-page .stack-intro{max-width:660px;margin:13px auto 0;font-size:17px}
.stack-page .stack-actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:27px;margin-top:28px}
.stack-page .stack-actions .text-button{min-height:44px}
.stack-page .stack-actions small{font-size:13px;font-weight:600;color:#c7d9ec}
.stack-page .product-frame{margin:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel);box-shadow:0 18px 50px #0003}
.stack-page .hero-capture{margin-top:36px}
.stack-page .hero-capture picture{display:block;width:min(100%,960px);margin-inline:auto;aspect-ratio:960/540;background:#0d1929}
.stack-page .hero-capture picture img{width:100%;height:100%;object-fit:contain}
.stack-page .product-frame figcaption{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 18px;color:var(--muted);font-size:12px;line-height:1.5}
.stack-page .product-frame figcaption a{color:#b6cce3;text-decoration:underline;text-underline-offset:4px;min-height:24px}
.stack-page .stack-section{padding-block:92px;border-top:1px solid var(--line)}
.stack-page .editorial-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:100px;align-items:center}
.stack-page .section-copy{max-width:510px}
.stack-page h2{font-size:clamp(2rem,3.5vw,3.1rem);line-height:1.1;text-wrap:balance}
.stack-page .section-copy>p:not(.kicker){margin-top:22px;line-height:1.8}
.stack-page .detail-capture{width:min(100%,420px);justify-self:end;background:#0c141e;box-shadow:none}
.stack-page .detail-capture img{width:100%;height:auto}
.stack-page .stack-section-heading{max-width:730px}
.stack-page .stack-section-heading>p:not(.kicker){margin-top:21px;max-width:670px}
.stack-page .stack-steps{display:grid;list-style:none;gap:34px;margin:42px 0 0;padding:0}
.stack-page .stack-steps li{display:grid;grid-template-columns:minmax(0,640px) minmax(0,1fr);gap:54px;align-items:center;padding-top:34px;border-top:1px solid #8aafd33d}
.stack-page .step-capture{margin:0;min-width:0}
.stack-page .step-capture>a{display:block;aspect-ratio:4/3;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#0d1929}
.stack-page .step-capture img{display:block;width:100%;height:100%;object-fit:contain}
.stack-page .step-capture picture{display:block;width:100%;height:100%}
.stack-page .step-capture figcaption{display:flex;justify-content:space-between;gap:14px;margin-top:12px;font-size:12px;line-height:1.5;color:var(--muted)}
.stack-page .step-capture figcaption span{flex-shrink:0;color:#b6cce3}
.stack-page .step-capture>a:hover{border-color:#8aafd375}
.stack-page .step-number{display:block;margin-bottom:32px;color:var(--blue);font-size:13px;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.stack-page .stack-steps h3{font-size:21px;margin-bottom:15px;line-height:1.2}
.stack-page .stack-steps p{font-size:16px;line-height:1.75}
.stack-page .workflow-composition{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:72px;align-items:center;margin-top:44px}
.stack-page .workflow-image{box-shadow:none}
.stack-page .workflow-image img{width:100%;height:auto}
.stack-page .use-cases{margin:0}
.stack-page .use-cases>div{padding-block:22px;border-bottom:1px solid var(--line)}
.stack-page .use-cases>div:first-child{padding-top:0}
.stack-page .use-cases dt{font-size:19px;font-weight:600;letter-spacing:var(--tracking-small-title);margin-bottom:9px}
.stack-page .use-cases dd{margin:0;color:var(--muted);font-size:16px;line-height:1.75}
.stack-page .windows-copy{max-width:780px}
.stack-page .windows-copy h2{max-width:730px}
.stack-page .windows-copy>p:not(.kicker){margin-top:24px;font-size:17px;line-height:1.8}
.stack-page .windows-copy .supporting-note{color:#d4e1ee}
.stack-page .inline-link{display:inline-flex;gap:9px;align-items:center;min-height:44px;margin-top:17px;color:#a7c9ed;font-size:14px;text-decoration:underline;text-underline-offset:5px}
.stack-page .stack-faq{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:90px}
.stack-page .faq-list summary{gap:18px;min-height:64px}
.stack-page .faq-list summary svg{flex-shrink:0}
.stack-page .final-conversion{text-align:center;padding-block:94px 100px}
.stack-page .final-conversion h2{max-width:730px;margin:auto}
.stack-page .final-conversion>p:not(.kicker){max-width:650px;margin:23px auto 0;font-size:17px}
.stack-page .final-conversion .stack-actions{flex-direction:column;gap:0;margin-top:28px}
.stack-page .final-conversion .requirement{margin-top:25px;font-size:12px;color:var(--muted)}
.stack-page .stack-section,.stack-page #how-it-works{scroll-margin-top:105px}
.stack-page .footer{border-top:1px solid var(--line)}
@media(max-width:1100px){.stack-page .editorial-grid{gap:60px}.stack-page .workflow-composition{gap:45px}.stack-page .stack-faq{gap:55px}}
@media(max-width:1100px){.stack-page .stack-steps li{grid-template-columns:1fr;gap:24px}.stack-page .step-capture{width:min(100%,640px)}.stack-page .step-copy{max-width:640px}.stack-page .step-number{margin-bottom:17px}}
@media(max-width:800px){
  .stack-page .stack-shell{width:calc(100% - 48px)}
  .stack-page .stack-hero{padding-top:45px;padding-bottom:65px}
  .stack-page .hero-capture picture{aspect-ratio:491/517;width:min(100%,491px);margin-inline:auto}
  .stack-page .stack-section{padding-block:65px}
  .stack-page .editorial-grid{gap:35px}
  .stack-page .stack-steps{gap:23px}
  .stack-page .workflow-composition{grid-template-columns:1fr;gap:30px}
  .stack-page .workflow-image{max-width:620px}
  .stack-page .use-cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .stack-page .use-cases>div,.stack-page .use-cases>div:first-child{border-bottom:0;border-top:1px solid var(--line);padding-top:20px}
  .stack-page .stack-faq{grid-template-columns:1fr;gap:32px}
  .stack-page .final-conversion{padding-block:70px}
}
@media(max-width:600px){
  .stack-page .stack-shell{width:calc(100% - 36px)}
  .stack-page .preview-status{font-size:10px;padding:9px 12px}
  .stack-page .stack-breadcrumb{padding-top:20px}
  .stack-page .stack-hero{padding-top:36px;padding-bottom:54px}
  .stack-page .stack-hero .kicker{font-size:10px;letter-spacing:.13em;margin-bottom:17px}
  .stack-page h1{font-size:clamp(2.35rem,10vw,3.3rem);line-height:1.08}
  .stack-page .stack-statement{font-size:19px;max-width:310px;margin:22px auto 0}
  .stack-page .stack-intro{font-size:16px;line-height:1.75}
  .stack-page .stack-actions{flex-direction:column;gap:20px;margin-top:26px}
  .stack-page .hero-capture{margin-top:30px;border-radius:12px}
  .stack-page .hero-capture picture{aspect-ratio:491/517}
  .stack-page .product-frame figcaption{padding:12px 14px;font-size:11px;align-items:flex-start;flex-direction:column;gap:8px}
  .stack-page .product-frame figcaption a{min-height:32px;display:inline-flex;align-items:center}
  .stack-page .stack-section{padding-block:54px}
  .stack-page .editorial-grid,.stack-page .stack-steps{grid-template-columns:1fr;gap:30px}
  .stack-page .detail-capture{justify-self:center;max-width:420px}
  .stack-page .step-number{margin-bottom:17px}
  .stack-page .stack-steps{margin-top:30px}
  .stack-page .stack-steps li{padding-top:26px;gap:22px}
  .stack-page .step-capture figcaption{flex-direction:column;gap:4px;font-size:11px}
  .stack-page .use-cases{grid-template-columns:1fr;gap:0}
  .stack-page .use-cases>div{padding-bottom:24px}
  .stack-page .use-cases>div:last-child{padding-bottom:0}
  .stack-page .stack-faq{gap:26px}
  .stack-page .final-conversion{padding-block:60px}
}
@media(prefers-reduced-motion:reduce){.stack-page,.stack-page *{scroll-behavior:auto!important;transition:none!important}}