:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--bg: #f5f7f8;--ink: #172026;--ink-soft: #3c4a52;--muted: #67757f;--line: #d6dee3;--line-strong: #9eabb4;--panel: #ffffff;--panel-alt: #eef3f6;--teal: #0c7a6e;--teal-soft: #dff2ef;--blue: #255fa8;--blue-soft: #dfeaff;--violet: #6b46c1;--violet-soft: #efe8ff;--coral: #bf4b3a;--coral-soft: #f8e3de;--gold: #946a00;--gold-soft: #fff1c9;--shadow: 0 24px 70px rgba(23, 32, 38, .1);--shadow-soft: 0 14px 34px rgba(23, 32, 38, .08);--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:linear-gradient(90deg,rgba(23,32,38,.035) 1px,transparent 1px) 0 0 / 72px 72px,linear-gradient(180deg,rgba(23,32,38,.03) 1px,transparent 1px) 0 0 / 72px 72px,var(--bg);color:var(--ink)}body,button,input,textarea,select{font:inherit}button{border:0}a{color:inherit}a:focus-visible,button:focus-visible{outline:3px solid rgba(37,95,168,.32);outline-offset:4px}h1,h2,h3,p,figure,pre{margin:0}.site-nav{width:min(1480px,calc(100% - 40px));margin:0 auto;padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.nav-brand,.nav-links,.hero-actions,.text-link,.card-cta,.wide-link,.back-link,.asset-top,.step-index,.workbench-top,.workbench-filters,.case-row{display:flex;align-items:center}.nav-brand{gap:12px;text-decoration:none;font-weight:800}.nav-links{gap:6px;flex-wrap:wrap;justify-content:flex-end}.nav-links a,.text-link,.wide-link,.back-link{border-radius:var(--radius-sm);font-weight:760;text-decoration:none}.nav-links a{padding:9px 11px;color:var(--ink-soft);font-size:14px}.nav-links a:hover,.text-link:hover,.wide-link:hover,.back-link:hover{color:var(--blue)}.page-shell{width:min(1480px,calc(100% - 40px));margin:0 auto;padding:28px 0 48px}.intro-grid{min-height:calc(100vh - 84px);display:grid;grid-template-columns:minmax(360px,.86fr) minmax(680px,1.14fr);gap:42px;align-items:stretch}.title-block{display:flex;flex-direction:column;justify-content:center;border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:42px 0}.mark-row{display:inline-flex;align-items:center;gap:12px;color:var(--teal);font-size:13px;font-weight:850;text-transform:uppercase}.mark-row.compact{color:var(--gold)}.brand-mark{width:34px;height:34px;flex:0 0 34px;display:inline-grid;place-items:center;background:var(--teal-soft);border:1px solid color-mix(in oklab,var(--teal),transparent 62%);border-radius:var(--radius-sm);color:var(--teal)}.brand-mark.muted{background:var(--gold-soft);border-color:color-mix(in oklab,var(--gold),transparent 56%);color:var(--gold)}h1{max-width:780px;margin-top:28px;font-size:88px;line-height:.92;font-weight:780}.title-block>p,.detail-hero>div>p,.proxy-hero p{max-width:700px;margin-top:30px;color:var(--ink-soft);font-size:22px;line-height:1.42}.hero-actions{gap:12px;flex-wrap:wrap;margin-top:34px}.text-link{gap:8px;padding:10px 0;color:var(--ink-soft)}.text-link.strong{color:var(--blue)}.system-map{display:grid;grid-template-columns:1fr 124px 1fr;gap:18px;align-items:center}.interface-panel{min-height:630px;padding:28px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}.interface-panel.rough{transform:rotate(-1deg)}.interface-panel.refined{transform:rotate(1deg);border-color:color-mix(in oklab,var(--teal),transparent 50%)}.panel-head{justify-content:space-between;color:var(--muted);font-size:12px;font-weight:850;text-transform:uppercase}.interface-panel h2{margin-top:34px;font-size:42px;line-height:1;font-weight:780}.mock-toolbar{display:flex;gap:8px;margin-top:42px;padding:14px;border:1px solid var(--line);background:var(--panel-alt)}.mock-toolbar span{width:46px;height:10px;background:var(--muted)}.refined .mock-toolbar{background:var(--teal-soft);border-color:color-mix(in oklab,var(--teal),transparent 62%)}.refined .mock-toolbar span{background:var(--teal)}.mock-table{margin-top:26px;border-top:2px solid var(--ink)}.mock-row{display:grid;grid-template-columns:1fr auto;gap:20px;min-height:72px;align-items:center;border-bottom:1px solid var(--line);font-size:16px}.mock-row strong{font-size:17px}.mock-row span{padding:7px 10px;border:1px solid var(--line);background:var(--coral-soft);color:var(--coral);font-size:13px;font-weight:800;white-space:nowrap}.refined .mock-row span{background:var(--teal-soft);border-color:color-mix(in oklab,var(--teal),transparent 60%);color:var(--teal)}.bridge{display:grid;justify-items:center;gap:18px;color:var(--ink)}.bridge span{writing-mode:vertical-rl;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase}.strategy-band,.pack-band,.preview-section,.loop-section,.qa-strip{margin-top:34px;border-top:2px solid var(--ink);padding-top:32px}.strategy-band,.section-heading,.qa-strip{display:grid;grid-template-columns:minmax(360px,.8fr) minmax(420px,1fr);gap:80px;align-items:start}.strategy-band h2,.section-heading h2,.loop-copy h2,.qa-strip h2{font-size:52px;line-height:1;font-weight:780}.strategy-copy{display:grid;gap:18px}.strategy-copy p,.section-heading p,.loop-copy p,.qa-strip p{color:var(--ink-soft);font-size:20px;line-height:1.45}.section-heading{align-items:end;margin-bottom:28px}.asset-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.asset-card{min-height:278px;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md)}.asset-link{color:inherit;text-decoration:none;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.asset-link:hover{border-color:color-mix(in oklab,var(--blue),transparent 48%);box-shadow:var(--shadow-soft);transform:translateY(-2px)}.asset-top{justify-content:space-between;gap:12px}.asset-icon{width:42px;height:42px;display:inline-grid;place-items:center;color:var(--blue);background:var(--blue-soft);border:1px solid color-mix(in oklab,var(--blue),transparent 64%);border-radius:var(--radius-sm)}.asset-detail{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px}.asset-card h3{margin-top:32px;font-size:26px;line-height:1}.asset-card p{margin-top:16px;color:var(--ink-soft);font-size:17px;line-height:1.45}.card-cta{gap:7px;margin-top:20px;color:var(--blue);font-size:14px;font-weight:820}.proxy-preview-grid,.proxy-comparison,.snippet-grid,.detail-grid{display:grid;gap:16px}.proxy-preview-grid,.proxy-comparison{grid-template-columns:repeat(2,minmax(0,1fr))}.wide-link{gap:10px;justify-content:center;width:100%;margin-top:16px;padding:17px 18px;background:var(--ink);color:var(--panel);border:1px solid var(--ink);border-radius:var(--radius-md)}.wide-link:hover{background:var(--blue);border-color:var(--blue);color:var(--panel)}.wide-link.secondary{background:transparent;color:var(--ink)}.wide-link.secondary:hover{background:var(--panel-alt);color:var(--blue)}.loop-board{display:grid;grid-template-columns:minmax(360px,.72fr) minmax(620px,1.28fr);gap:36px;padding:34px;background:var(--ink);color:var(--bg)}.loop-copy{display:flex;flex-direction:column;justify-content:space-between;min-height:460px;padding-right:30px}.loop-copy h2{margin-top:28px}.loop-copy p{color:#f5f7f8bd}.loop-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid rgba(245,247,248,.22)}.loop-step{min-height:460px;padding:24px 18px;border-right:1px solid rgba(245,247,248,.22);display:flex;flex-direction:column}.loop-step:last-child{border-right:0}.step-index{justify-content:space-between;color:#f4cf66;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;font-weight:800}.loop-step h3{margin-top:auto;font-size:25px}.loop-step p{margin-top:14px;color:#f5f7f8b8;font-size:16px;line-height:1.35}.qa-strip{padding-bottom:30px}.qa-strip p{margin-top:18px}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.check-item{min-height:104px;display:grid;grid-template-columns:30px 1fr;gap:14px;align-items:start;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--teal)}.check-item strong,.check-item span{display:block}.check-item strong{color:var(--ink);font-size:18px}.check-item span{margin-top:7px;color:var(--ink-soft);font-size:15px}.detail-shell{display:grid;gap:28px}.detail-hero{display:grid;grid-template-columns:minmax(420px,.88fr) minmax(520px,1.12fr);gap:42px;align-items:center;padding-top:28px;border-top:2px solid var(--ink)}.detail-hero h1,.proxy-hero h1{font-size:76px}.back-link{display:flex;width:fit-content;margin-bottom:28px;color:var(--ink-soft);font-size:14px}.detail-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.info-panel{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md)}.info-panel h2{font-size:23px;line-height:1.08}.info-panel ul{display:grid;gap:12px;margin:20px 0 0;padding-left:20px;color:var(--ink-soft);line-height:1.42}.info-panel li::marker{color:var(--teal)}.next-strip{display:grid;grid-template-columns:1fr 1fr;gap:14px}.code-card{overflow:hidden;background:#101820;color:#e8f1f5;border:1px solid #243240;border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}.code-card figcaption{padding:13px 16px;border-bottom:1px solid #243240;color:#b7c6ce;font-size:13px;font-weight:800}.code-card pre{overflow:auto;max-height:560px;padding:18px}.code-card code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.proxy-hero{padding-top:28px;border-top:2px solid var(--ink)}.proxy-hero h1{max-width:980px}.proxy-comparison{align-items:start}.snippet-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.workbench{min-width:0;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}.workbench.compact{box-shadow:none}.workbench.base{border-color:color-mix(in oklab,var(--coral),transparent 54%)}.workbench.guided{border-color:color-mix(in oklab,var(--teal),transparent 45%)}.workbench-top{justify-content:space-between;gap:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}.workbench-label{display:block;color:var(--muted);font-size:12px;font-weight:850;text-transform:uppercase}.workbench h2{margin-top:7px;font-size:28px;line-height:1.04}.workbench-top button{flex:0 0 auto;padding:9px 12px;background:var(--ink);color:var(--panel);border-radius:var(--radius-sm);font-size:13px;font-weight:800}.base .workbench-top button{background:var(--coral)}.guided .workbench-top button{background:var(--blue)}.workbench-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.42fr);gap:16px;margin-top:16px}.workbench-list,.workbench-detail{min-width:0}.workbench-filters{gap:8px;flex-wrap:wrap}.workbench-filters span{padding:7px 9px;background:var(--panel-alt);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink-soft);font-size:13px;font-weight:760}.guided .workbench-filters span{background:var(--blue-soft);border-color:color-mix(in oklab,var(--blue),transparent 62%);color:var(--blue)}.case-table{margin-top:13px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}.case-row{display:grid;grid-template-columns:1fr auto auto auto;gap:12px;min-height:42px;padding:0 12px;border-bottom:1px solid var(--line);background:var(--panel);font-size:14px}.case-row:last-child{border-bottom:0}.case-row.selected{background:#eef6ff;box-shadow:inset 4px 0 0 var(--blue)}.case-row strong{min-width:0}.case-row span,.case-row em{white-space:nowrap}.case-row em{color:var(--muted);font-style:normal}.case-status{padding:5px 8px;background:var(--coral-soft);color:var(--coral);border-radius:var(--radius-sm);font-size:12px;font-weight:800}.guided .case-status{background:var(--violet-soft);color:var(--violet)}.workbench-detail{padding:16px;background:var(--panel-alt);border:1px solid var(--line);border-radius:var(--radius-sm)}.guided .workbench-detail{background:var(--teal-soft);border-color:color-mix(in oklab,var(--teal),transparent 58%)}.workbench-detail span{color:var(--muted);font-size:12px;font-weight:850;text-transform:uppercase}.workbench-detail h3{margin-top:12px;font-size:21px;line-height:1.12}.workbench-detail p{margin-top:12px;color:var(--ink-soft);font-size:15px;line-height:1.42}@media(max-width:1180px){.intro-grid,.strategy-band,.section-heading,.loop-board,.qa-strip,.detail-hero{grid-template-columns:1fr}.intro-grid{min-height:auto}h1{font-size:68px}.detail-hero h1,.proxy-hero h1{font-size:62px}.system-map{grid-template-columns:1fr}.bridge{grid-template-columns:auto auto auto;justify-content:center}.bridge span{writing-mode:horizontal-tb}.interface-panel.rough,.interface-panel.refined{transform:none}.asset-grid,.detail-grid,.snippet-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.loop-copy{min-height:0}}@media(max-width:900px){.site-nav,.page-shell{width:min(100% - 28px,720px)}.site-nav{align-items:flex-start;flex-direction:column}.nav-links{justify-content:flex-start}h1{font-size:56px}.detail-hero h1,.proxy-hero h1,.strategy-band h2,.section-heading h2,.loop-copy h2,.qa-strip h2{font-size:42px}.title-block>p,.detail-hero>div>p,.proxy-hero p,.strategy-copy p,.section-heading p,.loop-copy p,.qa-strip p{font-size:18px}.page-shell{padding-top:18px}.asset-grid,.check-grid,.detail-grid,.proxy-preview-grid,.proxy-comparison,.snippet-grid,.next-strip,.loop-steps{grid-template-columns:1fr}.loop-step{min-height:160px;border-right:0;border-bottom:1px solid rgba(245,247,248,.22)}.loop-step:last-child{border-bottom:0}.loop-step h3{margin-top:44px}.workbench-body{grid-template-columns:1fr}}@media(max-width:560px){h1{font-size:46px}.detail-hero h1,.proxy-hero h1,.strategy-band h2,.section-heading h2,.loop-copy h2,.qa-strip h2{font-size:34px}.nav-brand{font-size:15px}.title-block{padding:32px 0}.interface-panel,.workbench,.loop-board{padding:20px}.interface-panel{min-height:0}.mock-row{grid-template-columns:1fr;gap:9px;padding:16px 0}.mock-row span{width:fit-content}.case-row{grid-template-columns:1fr;align-items:start;gap:7px;padding:12px}.case-row span,.case-row em{white-space:normal}}