/* Products hero + OpenSiro Cross-Flash Sandbox */
.products-hero{border-bottom:1px solid var(--hairline)}

/* Shared inline terms used on products.html. */
.os-term{display:inline}.os-term-trigger{font:inherit;letter-spacing:inherit;text-transform:inherit;line-height:inherit;padding:0;border-bottom:1px dotted currentColor;cursor:help}.os-term-trigger sup{font-size:8px;margin-left:3px;color:var(--accent-ink)}
.os-tooltip{position:fixed;z-index:100;box-sizing:border-box;width:min(310px,calc(100vw - 24px));padding:16px;background:var(--ink);color:var(--bg);font:11px/1.8 var(--font);letter-spacing:0;text-transform:none;text-align:left;box-shadow:0 8px 30px #0002}.os-tooltip[hidden]{display:none}
.os-cite{display:inline-flex;align-items:baseline;gap:3px;width:max-content;max-width:100%;padding:0;border:0;border-bottom:1px dotted currentColor;background:none;color:inherit;font:inherit;line-height:inherit;text-decoration:none;cursor:pointer}.os-cite sup{font-size:7px;line-height:1;color:var(--accent-ink)}.os-cite:hover{color:var(--accent-ink)}.os-cite:focus-visible{outline:1px solid var(--accent-ink);outline-offset:3px}.os-cite-note{cursor:help}

/* Article foundations. */
.os-article-page{padding-bottom:72px}
.os-article-page main{overflow:hidden}
.os-article-page .wrap{max-width:1240px}
.os-hero,.os-section{padding:88px 0;border-bottom:1px solid var(--hairline);scroll-margin-top:var(--nav-h)}
.os-hero{padding-top:48px;background:#f2f3f4}
.os-tint{background:#f2f3f4}
.os-back-link{display:inline-block;margin-bottom:42px;padding:6px 0;font-size:10px;text-decoration:underline;text-underline-offset:4px}
.os-kicker{margin:0 0 15px;font-size:10px;line-height:1.5;text-transform:uppercase;letter-spacing:.16em;color:var(--muted)}
.os-note{font-size:10px;line-height:1.85;color:var(--muted);margin:22px 0 0}.os-note a{text-decoration:underline;text-underline-offset:3px}
.os-article-page h1,.os-article-page h2,.os-article-page h3{font-weight:normal}
.os-article-page h1{font-size:clamp(34px,5vw,64px);line-height:1.08;letter-spacing:-.06em;margin:0}
.os-article-page h2{font-size:clamp(30px,4vw,48px);line-height:1.13;letter-spacing:-.055em;margin:0}
.os-article-page h1 span,.os-article-page h2 span{color:#828580}
.os-badge{display:inline-flex;align-items:center;width:max-content;padding:5px 7px;border:1px solid var(--hairline-2);font-size:8px;line-height:1.4;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap}
.os-badge.reported{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.os-badge.estimate{border-color:#9ab1d8;background:#e8eef9;color:var(--accent-ink)}
.os-badge.target{border-color:#9ab1d8;background:#dce8fa;color:var(--accent-ink)}
.os-badge.measured{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.os-heading{margin-bottom:40px}.os-heading-split{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}.os-heading .os-section-lead,.os-heading-split>.os-section-lead{max-width:520px;margin:24px 0 0;font-size:14px;line-height:1.75;color:var(--muted-2)}
.os-heading-split>.os-section-lead{margin:0}

/* Hero. */
.os-product-line{display:flex;align-items:center;padding-bottom:38px;margin-bottom:58px;border-bottom:1px solid var(--hairline-2)}
.os-product-line img{width:58px;height:58px;margin-right:17px}.os-product-line>div{display:grid;gap:4px}.os-product-line>div span{font-size:8px;text-transform:uppercase;letter-spacing:.13em;color:var(--muted)}.os-product-line>div strong{font-size:18px;font-weight:normal;text-transform:lowercase}.os-status{display:inline-flex;align-items:center;gap:8px;margin-left:auto;font-size:9px;text-transform:uppercase;letter-spacing:.09em}.os-status i{width:7px;height:7px;border-radius:50%;background:var(--accent-ink);box-shadow:0 0 0 4px #9bafd22b}
.os-hero-grid{display:block}.os-lead{max-width:760px;margin:28px 0 0;font-size:16px;line-height:1.75;color:#494b48}

/* Synced cost comparison. */
.os-replay{flex:none;padding:10px 13px;border:1px solid var(--ink);font-size:10px;text-transform:uppercase;letter-spacing:.08em;background:var(--bg);transition:background .2s,color .2s}.os-replay:hover{background:var(--ink);color:var(--bg)}
.os-run-controls{display:flex;flex-wrap:wrap;gap:8px}.os-replay:disabled{cursor:default;opacity:.55;background:var(--bg);color:var(--muted)}
.os-data-key{display:flex;flex-wrap:wrap;gap:18px 30px;padding:14px 0;margin-bottom:14px;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);font-size:8px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.os-data-key span{display:flex;align-items:center;gap:8px}.os-data-key i{width:18px;height:7px;border:1px solid var(--hairline-2)}.os-data-key i.reported{background:var(--ink)}.os-data-key i.derived{background:repeating-linear-gradient(135deg,var(--hairline-2) 0 2px,transparent 2px 5px)}.os-data-key i.estimated{border-color:var(--accent);background:#dce8fa}
.os-cost-system{margin:0;border:1px solid var(--hairline-2);background:var(--bg)}
.os-run-clock{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding:14px 18px;border-bottom:1px solid var(--hairline-2);font-style:normal}.os-run-clock span,.os-run-clock em{font-size:8px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.os-run-clock strong{font-size:19px;font-weight:normal;font-variant-numeric:tabular-nums}.os-run-clock em{text-align:right;font-style:normal;color:var(--accent-ink)}
.os-commit-deck{padding:20px 18px 0;border-bottom:1px solid var(--hairline-2);background:#f4f7fc}.os-commit-deck>header{display:flex;justify-content:space-between;gap:15px;margin-bottom:17px}.os-commit-deck>header span{font-size:10px;color:var(--accent-ink)}.os-commit-deck>header small{font-size:8px;color:var(--muted)}
.os-commit-history{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;list-style:none;margin:0;padding:0}.os-commit-card{position:relative;min-width:0;padding:17px 14px 16px;border:1px solid var(--hairline-2);background:var(--bg);transition:border-color .2s,background .2s,transform .2s}.os-commit-card:not(:last-child)::after{content:"";position:absolute;left:100%;top:28px;width:19px;border-top:1px solid #9ab1d8}.os-commit-card>div{display:flex;align-items:center;justify-content:space-between;gap:10px}.os-commit-card code{font:13px var(--font)}.os-commit-card>div span{font-size:8px;text-transform:uppercase;color:var(--muted)}.os-commit-card>strong{display:block;margin:15px 0 6px;font-size:12px;font-weight:normal}.os-commit-card>small{font-size:9px;color:var(--muted)}.os-commit-card.is-candidate{border-color:#9ab1d8;background:#e8eef9}.os-commit-card.is-running{border-color:var(--accent-ink);transform:translateY(-3px)}.os-commit-card.is-complete{border-color:var(--accent-ink)}.os-commit-card.is-candidate>div span{color:var(--accent-ink)}.os-commit-card.is-queued{border-style:dashed;color:var(--muted)}.os-commit-card>i{position:absolute;left:0;right:0;bottom:0;height:3px;background:#9bafd233}.os-commit-card>i u{display:block;width:0;height:100%;background:var(--accent-ink)}.os-commit-dispatch{display:flex;justify-content:center;align-items:center;gap:14px;padding:17px 0;font-size:9px;color:var(--muted)}.os-commit-dispatch code{padding:3px 7px;border:1px solid #9ab1d8;font:10px var(--font);color:var(--accent-ink);background:var(--bg)}
.os-run-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:stretch}.os-run-panel{min-width:0;display:flex;flex-direction:column}.os-run-panel+.os-run-panel{border-left:1px solid var(--hairline-2)}
.os-run-panel>header{display:flex;justify-content:space-between;gap:20px;min-height:116px;padding:18px;border-bottom:1px solid var(--hairline)}.os-run-panel>header div{display:grid;align-content:start;gap:7px}.os-run-panel>header p{margin:0;font-size:8px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.os-run-panel>header h3{margin:0;font-size:19px}.os-panel-tag{align-self:start;padding:5px 7px;border:1px solid var(--hairline);font-size:8px;text-transform:uppercase;color:var(--muted)}
.os-run-origin{position:relative;display:grid;gap:3px;padding:15px 86px 15px 34px;border-bottom:1px solid var(--hairline);overflow:hidden}.os-run-origin::before{content:"";position:absolute;left:17px;top:19px;width:7px;height:7px;border-radius:50%;background:var(--hairline-2);transition:background .2s,box-shadow .2s}.os-run-origin span,.os-sandbox-head span,.os-frontier-meter>span{font-size:7px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.os-run-origin code{font:10px var(--font);color:var(--accent-ink);text-transform:none}.os-run-origin strong{font-size:11px;font-weight:normal}.os-run-origin small{font-size:8px;color:var(--muted)}.os-run-origin>em{position:absolute;top:16px;right:14px;font-size:8px;font-style:normal;text-transform:uppercase;color:var(--accent-ink)}
.os-sandbox{margin:18px;border:1px solid #9ab1d8;background:#eff4fc}.os-sandbox-head{display:grid;gap:4px;padding:14px;border-bottom:1px solid #9bafd288}.os-sandbox-head strong{font-size:12px;font-weight:normal}.os-sandbox-head small{font-size:8px;color:var(--muted)}
.os-model-lanes{display:grid;gap:0;padding:4px 12px}.os-model-lane{display:grid;grid-template-columns:minmax(0,1fr) minmax(28px,.35fr) 72px;align-items:center;gap:12px;min-height:58px;padding:10px 0}.os-model-lane+.os-model-lane{border-top:1px solid #9bafd233}.os-model-lane>span{display:grid;gap:3px;min-width:0}.os-model-lane>span b{font-size:13px;font-weight:normal;color:var(--accent-ink)}.os-model-lane>span small{font-size:9px;line-height:1.4;color:var(--muted)}.os-model-lane>i,.os-frontier-meter>i{display:block;height:5px;overflow:hidden;background:#9bafd22e}.os-model-lane>i u,.os-frontier-meter>i u{display:block;width:0;height:100%;background:var(--accent-ink);text-decoration:none}.os-model-lane>em{display:grid;justify-items:end;gap:4px;font-size:13px;font-style:normal;text-align:right;color:var(--accent-ink)}.os-model-lane>em strong{font-weight:normal}.os-model-lane>em b{font-size:9px;font-weight:normal;color:var(--muted);opacity:.45;transition:opacity .25s,color .25s}.os-model-lane.is-passed>em b{color:var(--accent-ink);opacity:1}
.os-frontier-meter{display:grid;gap:16px;margin:18px;padding:24px 18px;border:1px solid var(--hairline-2);background:#f4f3ef}.os-frontier-meter>i{height:8px;background:var(--hairline)}.os-frontier-meter>i u{background:#7d8287}.os-frontier-meter>div{display:flex;justify-content:space-between;font-size:9px}.os-frontier-meter b{font-weight:normal}.os-frontier-meter em{font-style:normal;font-variant-numeric:tabular-nums}
.os-live-metrics{display:grid;grid-template-columns:repeat(3,1fr);margin-top:auto;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}.os-live-metrics>div{min-width:0;padding:17px 14px}.os-live-metrics>div+div{border-left:1px solid var(--hairline)}.os-live-metrics span,.os-live-metrics small{display:block;font-size:7px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.os-live-metrics .os-cite{margin:8px 0 4px}.os-live-metrics .os-cite strong{display:block;margin:0;font-size:clamp(15px,1.8vw,22px);font-weight:normal;letter-spacing:-.04em;font-variant-numeric:tabular-nums;white-space:nowrap}
.os-run-panel>footer{min-height:96px;padding:17px 18px;background:#f4f3ef}.os-run-panel>footer p{margin:12px 0 0;font-size:8px;line-height:1.7;color:var(--muted)}.os-decision{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.os-decision>*{padding:8px 4px;border:1px dashed var(--hairline-2);font-size:8px;font-weight:normal;text-align:center;color:var(--muted)}.os-decision strong{border-style:solid;border-color:#9ab1d8;background:#e8eef9;color:var(--accent-ink);opacity:.35;transition:opacity .25s,background .25s}.os-flash-footer{display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:18px}.os-flash-result{display:grid;gap:7px;padding-left:18px;border-left:1px solid var(--hairline)}.os-flash-result span{font-size:7px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.os-flash-result strong{font-size:14px;font-weight:normal;color:var(--accent-ink);font-variant-numeric:tabular-nums}.os-run-panel-llm>footer dl{display:grid;grid-template-columns:1fr 1fr;margin:0}.os-run-panel-llm>footer dl div{display:grid;gap:4px}.os-run-panel-llm>footer dl div+div{padding-left:18px;border-left:1px solid var(--hairline)}.os-run-panel-llm dt{font-size:7px;text-transform:uppercase;color:var(--muted)}.os-run-panel-llm dd{margin:0;font-size:14px}.os-run-panel-llm dd small{font-size:7px;color:var(--muted);text-transform:uppercase}
.os-run-panel.is-active .os-run-origin::before{background:var(--accent-ink);box-shadow:0 0 0 5px #9bafd233}.os-run-panel-flash.is-complete .os-decision strong{opacity:1;background:#dce8fa}
.os-source-line{display:flex;flex-wrap:wrap;align-items:center;gap:7px 15px;margin-top:17px;font-size:9px;color:var(--muted)}.os-source-line span{font-size:8px;text-transform:uppercase;letter-spacing:.1em}.os-source-line a{text-decoration:underline;text-underline-offset:3px}.os-source-line a:hover{color:var(--accent-ink)}.os-source-line+.os-note{margin-top:8px}

/* Workflow: cheap lab and deliberately separate frontier layer. */
.os-workflow{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(300px,.72fr);gap:22px}.os-cheap-zone,.os-frontier-zone{position:relative;padding:34px 16px 16px;border:1px solid var(--hairline-2)}.os-cheap-zone{background:#f4f7fc;border-color:#9ab1d8}.os-frontier-zone{border-style:dashed}.os-zone-label{position:absolute;left:15px;top:10px;font-size:8px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.os-workflow ol{list-style:none;margin:0;padding:0}.os-cheap-zone ol{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.os-workflow li{position:relative;min-width:0;min-height:166px;padding:12px;border:1px solid var(--hairline-2);background:var(--bg)}.os-workflow li:not(:last-child)::after{content:"→";position:absolute;right:-9px;top:50%;z-index:2;width:9px;background:var(--bg);color:var(--muted);font-size:8px}.os-workflow li i{display:block;margin-bottom:28px;font-size:8px;font-style:normal;color:var(--muted)}.os-workflow li div{display:grid;gap:6px}.os-workflow li span{font-size:7px;text-transform:uppercase;color:var(--muted)}.os-workflow li strong{font-size:10px;line-height:1.5;font-weight:normal}.os-workflow li small{font-size:8px;line-height:1.6;color:var(--muted)}.os-workflow li.sandbox{border-color:#9ab1d8;background:#e8eef9}.os-workflow li.decision{border-color:var(--accent-ink)}
.os-frontier-gate{margin-bottom:9px;padding:14px;border:1px dashed var(--hairline-2);background:#f4f3ef}.os-frontier-gate span{display:block;margin-bottom:7px;font-size:7px;text-transform:uppercase;color:var(--muted)}.os-frontier-gate strong{font-size:10px;line-height:1.6;font-weight:normal}.os-frontier-zone ol{display:grid;grid-template-columns:1fr;gap:7px}.os-frontier-zone li{display:grid;grid-template-columns:30px 1fr;min-height:0;padding:10px}.os-frontier-zone li i{margin:0}.os-frontier-zone li:not(:last-child)::after{content:"↓";top:auto;right:auto;left:17px;bottom:-9px;background:var(--bg)}

/* Promotion and scope. */
.os-promotion-grid{display:grid;grid-template-columns:1.12fr .88fr;border:1px solid var(--hairline-2);background:var(--bg)}.os-criteria{list-style:none;margin:0;padding:0}.os-criteria li{display:grid;grid-template-columns:44px 1fr;gap:10px;padding:15px 20px;border-bottom:1px solid var(--hairline);font-size:11px}.os-criteria li:last-child{border-bottom:0}.os-criteria span{color:var(--muted)}.os-distinction{padding:24px;border-left:1px solid var(--hairline);background:#e8eef9}.os-distinction>span{font-size:8px;text-transform:uppercase;color:var(--accent-ink)}.os-distinction>div{display:grid;gap:10px;margin-top:24px;padding:18px;border:1px solid #9ab1d8;background:var(--bg)}.os-distinction small{font-size:7px;text-transform:uppercase;color:var(--muted)}.os-distinction strong{font-size:10px;line-height:1.8;font-weight:normal}.os-distinction .warning{border-style:dashed;background:#f4f3ef}
.os-scope-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--hairline-2)}.os-scope-grid article{padding:28px}.os-scope-grid article+article{border-left:1px solid var(--hairline)}.os-scope-grid ul{margin:28px 0 0;padding:0;list-style:none}.os-scope-grid li{padding:10px 0;border-top:1px solid var(--hairline);font-size:11px}.os-scope-grid li::before{content:"→";margin-right:12px;color:var(--accent-ink)}.os-scope-grid article+article li::before{content:"·";color:var(--muted)}.os-scope-grid p{margin:28px 0 0;font-size:10px;line-height:1.8;color:var(--muted)}
.os-benchmark-surfaces{display:grid;grid-template-columns:1.25fr repeat(3,1fr);margin-top:16px;border:1px solid var(--hairline-2)}.os-benchmark-surfaces>*{padding:22px}.os-benchmark-surfaces>*+*{border-left:1px solid var(--hairline)}.os-benchmark-surfaces header{display:flex;flex-direction:column;background:#e8eef9}.os-benchmark-surfaces header span,.os-benchmark-surfaces article>span{font-size:8px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.os-benchmark-surfaces header strong{margin-top:auto;font-size:11px;line-height:1.65;font-weight:normal}.os-benchmark-surfaces h3{margin:28px 0 10px;font-size:13px}.os-benchmark-surfaces p{margin:0;font-size:9px;line-height:1.7;color:var(--muted)}

/* Bottom horizontal glider. */
.os-section-nav{position:fixed;z-index:45;left:0;right:0;bottom:0;height:72px;border-top:1px solid var(--hairline-2);background:rgba(250,249,246,.96);backdrop-filter:blur(14px)}.os-section-nav-track{display:flex;align-items:stretch;width:100%;height:100%;margin:0 auto}.os-section-nav-label{display:grid;place-items:center;padding:0 22px;border-right:1px solid var(--hairline);font-size:8px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.os-section-nav-scroll{flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}.os-section-nav-scroll::-webkit-scrollbar{display:none}.os-section-nav-links{position:relative;display:flex;width:max-content;min-width:100%;height:100%;align-items:center}.os-section-nav-links a{position:relative;z-index:1;display:grid;place-items:center;height:100%;padding:0 20px;font-size:9px;text-transform:uppercase;color:var(--muted);white-space:nowrap;transition:color .2s}.os-section-nav-links a.is-active{color:var(--ink)}.os-section-glider{position:absolute;left:0;top:11px;height:49px;border:1px solid #9ab1d8;background:#e8eef9;transform:translateX(var(--os-glider-x,0));transition:width .28s ease,transform .28s ease}

@media (max-width:1020px){
  .os-hero-grid{display:block}
  .os-run-grid{grid-template-columns:1fr}.os-run-panel+.os-run-panel{border-left:0;border-top:1px solid var(--hairline-2)}
  .os-workflow{grid-template-columns:1fr}.os-frontier-zone{display:grid;grid-template-columns:.7fr 1.3fr;gap:10px;padding-top:34px}.os-frontier-gate{margin:0}.os-frontier-zone ol{grid-template-columns:repeat(3,1fr)}.os-frontier-zone li{display:block}.os-frontier-zone li:not(:last-child)::after{content:"→";left:auto;bottom:auto;right:-9px;top:50%}
}

@media (max-width:760px){
  .os-article-page{padding-bottom:58px}.os-article-page .wrap{padding-left:18px;padding-right:18px}.os-hero,.os-section{padding:62px 0}.os-hero{padding-top:28px}
  .os-article-page h1{font-size:clamp(34px,12vw,48px)}.os-article-page h2{font-size:clamp(29px,10vw,40px)}
  .os-back-link{margin-bottom:28px}.os-product-line{padding-bottom:24px;margin-bottom:46px}.os-product-line img{width:48px;height:48px}.os-status{font-size:7px}.os-product-line>div span{font-size:7px}
  .os-lead{font-size:14px}
  .os-heading{margin-bottom:30px}.os-heading-split{display:grid;align-items:start;gap:24px}.os-heading-split>.os-section-lead{font-size:12px}.os-replay{width:max-content}
  .os-data-key{display:grid;grid-template-columns:1fr;gap:9px}
  .os-run-clock{grid-template-columns:1fr auto;gap:8px 15px}.os-run-clock em{grid-column:1/-1;text-align:left}.os-commit-deck{padding:16px 12px 0}.os-commit-deck>header{display:grid;gap:4px}.os-commit-history{grid-template-columns:1fr;gap:10px}.os-commit-card{padding:12px}.os-commit-card:not(:last-child)::after{left:23px;top:100%;width:0;height:11px;border-top:0;border-left:1px solid #9ab1d8}.os-commit-card>strong{margin-top:10px}.os-commit-card.is-running{transform:translateX(2px)}.os-commit-dispatch{align-items:flex-start;font-size:8px;gap:10px}.os-commit-dispatch code{flex:none}.os-run-panel>header{min-height:0;padding:16px}.os-panel-tag{display:none}.os-run-origin{padding-right:75px}.os-sandbox,.os-frontier-meter{margin:12px}.os-model-lanes{padding:4px 9px}.os-model-lane{grid-template-columns:minmax(0,1fr) 28px 70px;gap:7px}.os-model-lane>span b{font-size:12px}.os-model-lane>span small{font-size:8px}.os-live-metrics{grid-template-columns:1fr}.os-live-metrics>div{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:10px;padding:12px 14px}.os-live-metrics>div+div{border-left:0;border-top:1px solid var(--hairline)}.os-live-metrics .os-cite{justify-self:end;margin:0}.os-live-metrics .os-cite strong{font-size:17px}.os-live-metrics small{text-align:right}.os-run-panel>footer{min-height:0}.os-flash-footer{grid-template-columns:1fr}.os-flash-result{padding:14px 0 0;border-left:0;border-top:1px solid var(--hairline)}
  .os-cheap-zone{padding:34px 10px 10px}.os-cheap-zone ol{grid-template-columns:1fr}.os-workflow li{display:grid;grid-template-columns:34px 1fr;min-height:0;padding:12px}.os-workflow li i{margin:0}.os-workflow li:not(:last-child)::after{content:"↓";right:auto;top:auto;left:24px;bottom:-9px}.os-frontier-zone{display:block;padding:34px 10px 10px}.os-frontier-gate{margin-bottom:8px}.os-frontier-zone ol{grid-template-columns:1fr}.os-frontier-zone li{display:grid}.os-frontier-zone li:not(:last-child)::after{content:"↓";right:auto;top:auto;left:24px;bottom:-9px}
  .os-promotion-grid,.os-scope-grid,.os-benchmark-surfaces{grid-template-columns:1fr}.os-distinction,.os-scope-grid article+article,.os-benchmark-surfaces>*+*{border-left:0;border-top:1px solid var(--hairline)}.os-criteria li{grid-template-columns:34px 1fr;padding:14px}.os-scope-grid article{padding:20px}.os-benchmark-surfaces>*{padding:20px}.os-benchmark-surfaces header strong{margin-top:24px}.os-benchmark-surfaces h3{margin-top:20px}
  .os-section-nav{height:58px}.os-section-nav-label{display:none}.os-section-nav-links{min-width:max-content}.os-section-nav-links a{padding:0 16px;font-size:8px}.os-section-glider{top:8px;height:41px}
}

@media (prefers-reduced-motion:reduce){
  .os-replay,.os-run-origin::before,.os-commit-card,.os-model-lane>em,.os-model-lane>em b,.os-decision strong,.os-section-nav-links a,.os-section-glider{transition:none!important}
  .os-commit-card.is-running{transform:none}
}

/* 2026-09-11 — centered product catalog with compact actions and status seals. */
.product-entry{padding:92px 0}
.product-entry-inner{display:grid;justify-items:center;text-align:center}
.product-entry .detail-head{display:grid;justify-items:center;gap:18px;margin-bottom:24px}
.product-entry .detail-head>div{display:grid;justify-items:center}
.product-entry .detail-head .eyebrow{text-align:center;margin-bottom:10px}
.product-entry .product-mark{width:76px;height:76px;margin:0}
.product-entry .detail-tag{margin:0 0 20px;font-size:.78rem;letter-spacing:.09em;color:var(--accent-ink)}
.product-summary{max-width:660px;margin:0;font-size:.9rem;line-height:1.85;color:#55554f}
.product-links{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:34px}
.product-word-link,.product-icon-link{display:grid;place-items:center;height:43px;border:1px solid var(--ink);transition:background .18s,color .18s,transform .18s}
.product-word-link{min-width:112px;padding:0 22px;font-size:.75rem;letter-spacing:.12em}
.product-icon-link{width:43px}
.product-icon-link svg{width:18px;height:18px}
.product-word-link:hover,.product-word-link:focus-visible,.product-icon-link:hover,.product-icon-link:focus-visible{background:var(--ink);color:var(--bg);transform:translateY(-2px)}
.product-status{position:relative;display:grid;grid-template-columns:24px auto;align-items:center;gap:12px;width:min(520px,100%);margin-top:82px}
.product-status:before,.product-status:after{height:1px;background:var(--hairline-2);content:""}
.product-status:before{position:absolute;right:calc(100% + 18px);width:160px}.product-status:after{position:absolute;left:calc(100% + 18px);width:160px}
.product-status small{justify-self:start;font-size:.7rem;letter-spacing:.14em;color:var(--muted)}
.status-sigil{position:relative;display:grid;place-items:center;width:20px;height:20px;border:1px solid var(--accent-ink);transform:rotate(45deg)}
.status-sigil:before,.status-sigil:after{position:absolute;background:var(--accent-ink);content:""}.status-sigil:before{width:9px;height:1px}.status-sigil:after{width:1px;height:9px}
.status-sigil i{position:absolute;width:4px;height:4px;background:var(--bg);box-shadow:0 0 0 3px #9bafd24d;animation:catalog-status-pulse 2.2s ease-out infinite}
.tint .status-sigil i{background:#f2f3f4}
@keyframes catalog-status-pulse{60%,100%{box-shadow:0 0 0 9px #9bafd200}}
@media(max-width:760px){.product-entry{padding:68px 0}.product-entry .product-mark{width:64px;height:64px}.product-summary{font-size:.82rem}.product-status{width:auto;margin-top:62px}.product-status:before,.product-status:after{display:none}}
@media(prefers-reduced-motion:reduce){.status-sigil i{animation:none}.product-word-link,.product-icon-link{transition:none}}

/* Downloadable section stills and motion loops. */
.poster>.wrap,.os-hero>.wrap,.os-section>.wrap{position:relative}
.section-export{position:absolute;z-index:12;right:0;top:0;display:flex;border:1px solid var(--hairline-2);background:rgba(250,249,246,.88);backdrop-filter:blur(8px)}
.section-export a{display:grid;place-items:center;min-width:52px;min-height:34px;padding:0 11px;font-size:.61rem;letter-spacing:.08em;color:var(--muted)}
.section-export a+a{border-left:1px solid var(--hairline)}
.section-export a:hover,.section-export a:focus-visible{background:#e8eef9;color:var(--accent-ink)}
.poster-dark .section-export{border-color:#ffffff42;background:#111513e8}
.poster-dark .section-export a{color:#b9c1bc}
.poster-dark .section-export a+a{border-color:#ffffff32}
.poster-dark .section-export a:hover,.poster-dark .section-export a:focus-visible{background:#9fcbff18;color:var(--accent)}
@media(max-width:680px){.section-export{right:0}.section-export a{min-width:44px;min-height:30px;padding:0 8px;font-size:.55rem}}

/* Proofstate navigator follows the compact VSMLite navigator. */
.os-article-page{padding-bottom:51px}
.os-section-nav{height:51px}
.os-section-nav-track{display:block;height:100%}
.os-section-nav-label,.os-section-glider{display:none}
.os-section-nav-scroll{height:100%}
.os-section-nav-links{justify-content:center;width:auto;min-width:100%;height:100%}
.os-section-nav-links a{display:block;height:auto;padding:15px 18px;font-size:.75rem}
.os-section-nav-links a:hover,.os-section-nav-links a:focus-visible,.os-section-nav-links a.is-active{background:#e8eef9;color:var(--accent-ink)}
.os-section>.wrap>.section-export{top:-54px}
@media(max-width:680px){
 .os-article-page{padding-bottom:47px}
 .os-section-nav{height:47px}
 .os-section-nav-links{justify-content:flex-start;width:max-content;min-width:max-content}
 .os-section-nav-links a{padding:13px 14px;font-size:.75rem}
 .os-section>.wrap>.section-export{top:-44px}
}

/* One semantic poster link per section. */
.section-export{left:0;right:auto;top:-48px;display:inline-flex;min-width:0;min-height:0;padding:0;border:0;background:transparent;backdrop-filter:none;font-size:.66rem;line-height:1.4;letter-spacing:.08em;color:var(--accent-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.section-export span{margin-left:7px}
.section-export:hover,.section-export:focus-visible{background:transparent;color:var(--ink)}
.os-hero>.wrap>.section-export,.os-section>.wrap>.section-export{left:0;right:auto;top:-48px}
@media(max-width:680px){.section-export,.os-hero>.wrap>.section-export,.os-section>.wrap>.section-export{left:18px;right:auto;top:-38px;font-size:.6rem}}

.os-hero>.wrap>.section-export,.os-section>.wrap>.section-export{left:32px}
@media(max-width:680px){.os-hero>.wrap>.section-export,.os-section>.wrap>.section-export{left:18px}}

/* Export belongs to the section label, not the page chrome. */
.section-export,.poster-dark .section-export,.hero-poster .section-export,.poster>.wrap>.section-export,.os-hero>.wrap>.section-export,.os-section>.wrap>.section-export{position:static;display:inline;margin-left:7px;padding:0;border:0;background:transparent;backdrop-filter:none;font-size:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.section-export:hover,.section-export:focus-visible,.poster-dark .section-export:hover,.poster-dark .section-export:focus-visible{background:transparent;color:var(--accent-ink)}
.poster-dark .section-export:hover,.poster-dark .section-export:focus-visible{color:var(--accent)}