.yaaa-page[data-astro-cid-t2biswt3]{--page-max: 72rem;--pad: clamp(1.5rem, 4vw, 4rem);--spine-gap: 3rem;background:var(--paper);color:var(--ink)}.page-nav[data-astro-cid-t2biswt3]{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--site-header-min);padding:0 max(32px,5vw);border-bottom:1px solid color-mix(in srgb,var(--rule) 76%,transparent);background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(16px)}.nav-identity[data-astro-cid-t2biswt3]{display:inline-flex;flex:none;min-width:0;align-items:center;gap:12px;white-space:nowrap}.nav-home[data-astro-cid-t2biswt3],.page-nav__links[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3],.mobile-nav[data-astro-cid-t2biswt3] summary[data-astro-cid-t2biswt3],.mobile-nav[data-astro-cid-t2biswt3] nav[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]{color:var(--ink-soft);font-family:var(--mono);font-size:.72rem;font-weight:800;letter-spacing:.06em;text-decoration:none;text-transform:uppercase}.nav-home[data-astro-cid-t2biswt3]{order:0;display:inline-flex;align-items:center;gap:6px}.nav-identity[data-astro-cid-t2biswt3]:after{order:1;width:1px;height:20px;background:var(--rule);content:""}.nav-brand[data-astro-cid-t2biswt3]{order:2;color:var(--ink);font-family:var(--serif);font-size:1.05rem;font-weight:600;line-height:1;text-decoration:none}.page-nav__links[data-astro-cid-t2biswt3]{display:flex;min-width:0;flex-wrap:wrap;justify-content:flex-end;gap:clamp(12px,1.8vw,28px)}.nav-section[data-astro-cid-t2biswt3]{position:relative}.page-nav__links[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]{padding:1rem 0}.nav-primary[data-astro-cid-t2biswt3]{display:inline-flex;align-items:center;min-height:var(--site-header-min)}.nav-subnav[data-astro-cid-t2biswt3]{position:absolute;top:calc(100% - .4rem);right:50%;display:grid;min-width:12rem;padding:.45rem;border:1px solid var(--rule);border-radius:8px;background:color-mix(in srgb,var(--paper) 98%,transparent);box-shadow:0 18px 42px color-mix(in srgb,var(--ink) 14%,transparent);opacity:0;pointer-events:none;transform:translate(50%,-.35rem);transition:opacity .14s,transform .14s}.nav-section[data-astro-cid-t2biswt3]:hover .nav-subnav[data-astro-cid-t2biswt3],.nav-section[data-astro-cid-t2biswt3]:focus-within .nav-subnav[data-astro-cid-t2biswt3]{opacity:1;pointer-events:auto;transform:translate(50%)}.nav-subnav[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]{min-height:2.25rem;padding:.72rem .85rem;border-radius:6px;font-size:.68rem;line-height:1;white-space:nowrap}.nav-subnav[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]:hover{background:color-mix(in srgb,var(--systems) 8%,transparent)}.nav-home[data-astro-cid-t2biswt3]:hover,.nav-brand[data-astro-cid-t2biswt3]:hover,.page-nav__links[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]:hover,.mobile-nav[data-astro-cid-t2biswt3] nav[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]:hover{color:var(--systems)}.nav-home[data-astro-cid-t2biswt3]:focus-visible,.nav-brand[data-astro-cid-t2biswt3]:focus-visible,.page-nav__links[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]:focus-visible,.mobile-nav[data-astro-cid-t2biswt3] summary[data-astro-cid-t2biswt3]:focus-visible,.mobile-nav[data-astro-cid-t2biswt3] nav[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]:focus-visible{outline:2px solid var(--systems);outline-offset:4px}.mobile-nav[data-astro-cid-t2biswt3]{display:none;position:relative;flex:none;margin-left:auto}.mobile-nav[data-astro-cid-t2biswt3] summary[data-astro-cid-t2biswt3]{display:inline-flex;align-items:center;justify-content:center;width:42px;min-height:38px;padding:0;border:1px solid var(--rule);border-radius:999px;background:color-mix(in srgb,var(--paper) 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.mobile-nav__icon[data-astro-cid-t2biswt3]:after{top:0;transform:rotate(-45deg)}.mobile-nav[data-astro-cid-t2biswt3] nav[data-astro-cid-t2biswt3]{position:absolute;right:0;top:calc(100% + 10px);display:grid;gap:.25rem;width:min(76vw,280px);max-height:min(70vh,34rem);padding:8px;overflow-y:auto;border:1px solid var(--rule);border-radius:8px;background:color-mix(in srgb,var(--paper) 98%,transparent);box-shadow:0 18px 42px color-mix(in srgb,var(--ink) 14%,transparent)}.mobile-nav-group[data-astro-cid-t2biswt3]{display:grid;gap:.1rem;padding:.25rem 0;border-top:1px solid var(--rule)}.mobile-nav-group[data-astro-cid-t2biswt3]:first-child{border-top:0}.mobile-nav[data-astro-cid-t2biswt3] nav[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]{display:block;min-height:36px;padding:11px 14px;border-radius:6px;color:var(--ink-soft);line-height:1;white-space:nowrap}.mobile-nav[data-astro-cid-t2biswt3] .mobile-nav-group-label[data-astro-cid-t2biswt3]{color:var(--ink)}.mobile-nav-children[data-astro-cid-t2biswt3]{display:grid;padding-left:.75rem}.mobile-nav-children[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]{min-height:30px;padding-block:8px;color:var(--ink-faint);font-size:.66rem}.mobile-nav[data-astro-cid-t2biswt3] nav[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]:hover{background:color-mix(in srgb,var(--systems) 8%,transparent)}.sr-only[data-astro-cid-t2biswt3]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.eyebrow[data-astro-cid-t2biswt3],.stack-title[data-astro-cid-t2biswt3],.subsystem-stack[data-astro-cid-t2biswt3] b[data-astro-cid-t2biswt3],.section-label[data-astro-cid-t2biswt3],.kicker[data-astro-cid-t2biswt3],.example-label[data-astro-cid-t2biswt3],.role-key[data-astro-cid-t2biswt3] b[data-astro-cid-t2biswt3],.flow-list[data-astro-cid-t2biswt3] b[data-astro-cid-t2biswt3],.case-grid[data-astro-cid-t2biswt3] header[data-astro-cid-t2biswt3] span[data-astro-cid-t2biswt3],.problem-label[data-astro-cid-t2biswt3],.compare-label[data-astro-cid-t2biswt3],.back-link[data-astro-cid-t2biswt3]{font-family:var(--mono);font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1[data-astro-cid-t2biswt3],h2[data-astro-cid-t2biswt3],h3[data-astro-cid-t2biswt3],p[data-astro-cid-t2biswt3],dd[data-astro-cid-t2biswt3]{overflow-wrap:anywhere}.hero[data-astro-cid-t2biswt3]{min-height:calc(100svh - var(--site-header-min));display:grid;grid-template-columns:minmax(18rem,1fr) minmax(17rem,.62fr);align-items:center;gap:clamp(2rem,5vw,5rem);max-width:var(--page-max);margin-inline:auto;padding:clamp(3rem,7vw,6rem) var(--pad)}.hero-copy[data-astro-cid-t2biswt3]{min-width:0}.eyebrow[data-astro-cid-t2biswt3]{margin:clamp(2rem,5vw,3.5rem) 0 0;color:var(--ink-faint)}h1[data-astro-cid-t2biswt3]{max-width:50rem;margin:.75rem 0 0;font-family:var(--sans);font-size:clamp(4rem,12vw,8.4rem);font-weight:800;letter-spacing:0;line-height:.86}.hero-subtitle[data-astro-cid-t2biswt3]{max-width:39rem;margin:clamp(1.2rem,2.6vw,2rem) 0 0;color:var(--embodied);font-family:var(--serif);font-size:clamp(1.5rem,3.2vw,2.35rem);font-style:italic;line-height:1.1}.summary[data-astro-cid-t2biswt3]{max-width:39rem;margin:clamp(1.4rem,3vw,2.2rem) 0 0;font-size:clamp(1.05rem,1.5vw,1.28rem);line-height:1.7}.framework-note[data-astro-cid-t2biswt3]{max-width:39rem;margin:1.35rem 0 0;padding-left:1rem;border-left:2px solid var(--systems);color:var(--ink-soft);font-size:.94rem;line-height:1.65}.framework-note[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]{color:var(--systems);font-weight:700;text-underline-offset:.18em}.subsystem-stack[data-astro-cid-t2biswt3]{position:relative;margin:0;min-width:0;padding:clamp(1.25rem,2vw,1.75rem);border:1px solid var(--rule-hard);border-radius:4px;background:repeating-linear-gradient(0deg,color-mix(in srgb,var(--systems) 4%,transparent) 0 1px,transparent 1px 28px),var(--surface)}.subsystem-stack[data-astro-cid-t2biswt3]:before{content:"";position:absolute;inset:-.85rem .85rem .85rem -.85rem;border:1px solid color-mix(in srgb,var(--systems) 36%,transparent);border-radius:4px;pointer-events:none}.stack-title[data-astro-cid-t2biswt3]{color:var(--stamp)}.subsystem-stack[data-astro-cid-t2biswt3] ul[data-astro-cid-t2biswt3]{position:relative;margin:1.1rem 0 0;padding:0 0 0 1.1rem;list-style:none}.subsystem-stack[data-astro-cid-t2biswt3] ul[data-astro-cid-t2biswt3]:before{content:"";position:absolute;top:.75rem;bottom:.75rem;left:0;border-left:2px solid var(--systems)}.subsystem-stack[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]{position:relative;display:flex;align-items:center;gap:.55rem;min-width:0;margin-top:.5rem;padding:.6rem .75rem;border:1px solid var(--rule);border-radius:3px;background:var(--paper)}.subsystem-stack[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]:first-child{margin-top:0}.subsystem-stack[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]:before{content:"";position:absolute;top:50%;left:-1.1rem;width:1.1rem;border-top:1px solid var(--systems)}.subsystem-stack[data-astro-cid-t2biswt3] b[data-astro-cid-t2biswt3]{color:var(--ink)}.subsystem-stack[data-astro-cid-t2biswt3] figcaption[data-astro-cid-t2biswt3]{margin-top:1rem;color:var(--ink-soft);font-family:var(--mono);font-size:.78rem;line-height:1.5}.spine-wrap[data-astro-cid-t2biswt3]{position:relative}.spine-wrap[data-astro-cid-t2biswt3]:before{content:"";position:absolute;top:0;bottom:0;left:calc(max((100% - var(--page-max)) / 2,0px) + var(--pad) + .95rem);border-left:1px solid var(--rule-hard)}.page-section[data-astro-cid-t2biswt3]{position:relative;max-width:var(--page-max);margin-inline:auto;padding:clamp(3.5rem,7vw,5.8rem) var(--pad) clamp(3.5rem,7vw,5.8rem) calc(var(--pad) + var(--spine-gap));border-top:1px solid var(--rule)}.section-label[data-astro-cid-t2biswt3]{display:flex;align-items:center;gap:1.1rem;margin:0 0 clamp(1.5rem,3vw,2.4rem) calc(-1 * var(--spine-gap));color:var(--ink-faint)}.sec-no[data-astro-cid-t2biswt3]{display:inline-flex;flex:none;align-items:center;justify-content:center;width:1.9rem;height:1.9rem;border:1px solid var(--systems);border-radius:3px;background:var(--paper);color:var(--systems)}.section-label[data-astro-cid-t2biswt3] h2[data-astro-cid-t2biswt3]{margin:0;color:inherit;font-family:inherit;font-size:inherit;font-weight:inherit;letter-spacing:inherit;text-transform:inherit}.lead[data-astro-cid-t2biswt3]{margin:0;font-family:var(--serif);font-size:clamp(1.55rem,3vw,2.45rem);font-weight:500;line-height:1.18}.concept-grid[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3],.formula-note[data-astro-cid-t2biswt3],.stance-note[data-astro-cid-t2biswt3],.policy-note[data-astro-cid-t2biswt3],.flow-list[data-astro-cid-t2biswt3],.case-grid[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3],.problem-grid[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3],.problem-response[data-astro-cid-t2biswt3],.compare-grid[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3],.compare-note[data-astro-cid-t2biswt3],.layer-text[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3],.question-list[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3]{color:var(--ink-soft);font-size:clamp(1rem,1.25vw,1.12rem);line-height:1.72}.concept-grid[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(2rem,5vw,5rem);align-items:start}.concept-grid[data-astro-cid-t2biswt3]>div[data-astro-cid-t2biswt3]{padding-top:1.35rem;border-top:1px solid var(--rule-hard)}.kicker[data-astro-cid-t2biswt3]{margin:0;color:var(--systems)}.concept-grid[data-astro-cid-t2biswt3] h3[data-astro-cid-t2biswt3],.case-grid[data-astro-cid-t2biswt3] h3[data-astro-cid-t2biswt3]{margin:.65rem 0 0;color:var(--ink);font-family:var(--serif);font-size:clamp(1.45rem,2vw,2rem);font-weight:600;letter-spacing:0;line-height:1.15}.concept-grid[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3]:not(.kicker){margin:.9rem 0 0}.problem-intro[data-astro-cid-t2biswt3]{max-width:52rem;margin:0;font-size:clamp(1.35rem,2.2vw,1.85rem);line-height:1.32}.problem-grid[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:clamp(2rem,4vw,3rem) 0 0;border:1px solid var(--rule-hard);border-radius:4px;overflow:hidden;background:var(--rule-hard)}.problem-grid[data-astro-cid-t2biswt3] article[data-astro-cid-t2biswt3]{min-width:0;padding:clamp(1.25rem,2.3vw,2rem);background:var(--surface)}.problem-card-visual[data-astro-cid-t2biswt3]{margin:0 0 1rem}.problem-card-visual[data-astro-cid-t2biswt3] svg[data-astro-cid-t2biswt3]{display:block;width:100%;height:auto}.problem-label[data-astro-cid-t2biswt3]{color:var(--systems)}.problem-grid[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3]{margin:.75rem 0 0}.problem-response[data-astro-cid-t2biswt3]{max-width:52rem;margin:clamp(2rem,4vw,3rem) 0 0;padding-left:1.15rem;border-left:3px solid var(--systems)}.problem-figure[data-astro-cid-t2biswt3]{margin:clamp(2rem,4vw,3rem) 0 0}.problem-figure[data-astro-cid-t2biswt3] svg[data-astro-cid-t2biswt3]{display:block;width:100%;max-width:33rem;height:auto;margin-inline:auto}.problem-figure[data-astro-cid-t2biswt3] figcaption[data-astro-cid-t2biswt3]{margin-top:.75rem;color:var(--ink-soft);font-family:var(--mono);font-size:.78rem;text-align:center}.problem-figure[data-astro-cid-t2biswt3] text[data-astro-cid-t2biswt3]{font-family:var(--mono)}.pf-chip[data-astro-cid-t2biswt3]{fill:none;stroke:var(--ink-faint);stroke-width:1px}.pf-chip-t[data-astro-cid-t2biswt3]{fill:var(--ink-soft);font-size:9.5px}.pf-line[data-astro-cid-t2biswt3]{stroke:var(--ink-faint);stroke-width:1px;opacity:.5}.pf-box[data-astro-cid-t2biswt3]{fill:var(--surface);stroke:var(--ink);stroke-width:1.8px}.pf-box-t[data-astro-cid-t2biswt3]{fill:var(--ink);font-size:11px;font-weight:700;letter-spacing:.04em}.pf-eye[data-astro-cid-t2biswt3]{fill:none;stroke:var(--ink);stroke-width:1.4px}.pf-pupil[data-astro-cid-t2biswt3],.pf-arr-h[data-astro-cid-t2biswt3]{fill:var(--ink)}.pf-out[data-astro-cid-t2biswt3]{fill:none;stroke:var(--ink);stroke-width:2.2px}.pf-faint[data-astro-cid-t2biswt3]{fill:var(--ink-faint);font-size:9px}.pf-block[data-astro-cid-t2biswt3]{fill:none;stroke:#d97706;stroke-width:1.6px;stroke-dasharray:5 4}.pf-x[data-astro-cid-t2biswt3]{fill:none;stroke:#d97706;stroke-width:2px}.pf-block-t[data-astro-cid-t2biswt3]{fill:#d97706;font-size:9.5px;font-weight:700}.pr-box[data-astro-cid-t2biswt3]{fill:color-mix(in srgb,var(--systems) 6%,var(--surface));stroke:var(--systems);stroke-width:1.8px}.pr-box-t[data-astro-cid-t2biswt3]{fill:var(--systems);font-size:11px;font-weight:700;letter-spacing:.04em}.pr-glyph[data-astro-cid-t2biswt3]{fill:none;stroke:var(--systems);stroke-width:1.6px}.pr-arr-h[data-astro-cid-t2biswt3]{fill:var(--systems)}.pr-out[data-astro-cid-t2biswt3]{fill:none;stroke:var(--systems);stroke-width:2px}.pr-out-thin[data-astro-cid-t2biswt3]{fill:none;stroke:var(--systems);stroke-width:1.4px}.pr-label[data-astro-cid-t2biswt3]{fill:var(--systems);font-size:9px;font-weight:700}.pc-chip[data-astro-cid-t2biswt3]{fill:var(--paper);stroke:var(--ink-faint);stroke-width:1px}.pc-box[data-astro-cid-t2biswt3]{fill:var(--surface);stroke:var(--ink-faint);stroke-width:1.2px}.pc-danger[data-astro-cid-t2biswt3]{stroke:#d97706}.pc-line[data-astro-cid-t2biswt3]{fill:none;stroke:var(--ink-soft);stroke-width:1.2px}.pc-heavy[data-astro-cid-t2biswt3]{stroke-width:1.8px}.pc-dashed[data-astro-cid-t2biswt3]{stroke-dasharray:4 3}.pc-arrow[data-astro-cid-t2biswt3]{fill:var(--ink-soft)}.pc-text[data-astro-cid-t2biswt3]{fill:var(--ink-soft);font-family:var(--mono);font-size:7.5px}.pc-strong[data-astro-cid-t2biswt3]{fill:var(--ink);font-family:var(--mono);font-size:8.5px;font-weight:800}.pc-note[data-astro-cid-t2biswt3]{fill:var(--ink-faint);font-family:var(--mono);font-size:7px}.pc-eye[data-astro-cid-t2biswt3],.pc-warn[data-astro-cid-t2biswt3]{fill:none;stroke:#d97706;stroke-width:1.4px}.pc-dot[data-astro-cid-t2biswt3]{fill:#d97706}.compare[data-astro-cid-t2biswt3]{margin:clamp(2rem,4vw,3rem) 0 0}.compare-grid[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:.9rem 0 0;border:1px solid var(--rule-hard);border-radius:4px;overflow:hidden;background:var(--rule-hard)}.compare-grid[data-astro-cid-t2biswt3] article[data-astro-cid-t2biswt3]{min-width:0;padding:clamp(1.25rem,2.3vw,2rem);background:var(--surface)}.compare-label[data-astro-cid-t2biswt3]{color:var(--ink-faint)}.compare-label-accent[data-astro-cid-t2biswt3]{color:var(--systems)}.compare-grid[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3]{margin:.6rem 0 0}.compare-note[data-astro-cid-t2biswt3]{max-width:52rem;margin:1rem 0 0;padding-left:1.15rem;border-left:3px solid var(--systems)}.formula[data-astro-cid-t2biswt3]{display:grid;gap:.4rem;margin-top:clamp(2rem,4vw,3rem);padding:clamp(1.25rem,2.3vw,2rem);border:1px solid var(--rule-hard);border-radius:4px;background:repeating-linear-gradient(0deg,color-mix(in srgb,var(--systems) 4%,transparent) 0 1px,transparent 1px 28px),var(--surface);font-family:var(--mono);font-size:clamp(.8rem,1.1vw,.95rem);line-height:1.6;color:var(--ink)}.formula[data-astro-cid-t2biswt3] span[data-astro-cid-t2biswt3]:last-child{margin-top:.35rem;padding-top:.75rem;border-top:1px solid 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dt[data-astro-cid-t2biswt3]{font-family:var(--mono);font-size:.74rem;font-weight:700;color:var(--ink)}.layer-legend[data-astro-cid-t2biswt3] dd[data-astro-cid-t2biswt3]{margin:.15rem 0 0;font-size:.82rem;line-height:1.5;color:var(--ink-soft)}.layer-block[data-astro-cid-t2biswt3].L0{--lc: #2f855a}.layer-block[data-astro-cid-t2biswt3].L1{--lc: #0e7490}.layer-block[data-astro-cid-t2biswt3].L2{--lc: #334155}.layer-block[data-astro-cid-t2biswt3].L3{--lc: #7c3aed}.layer-block[data-astro-cid-t2biswt3].L4{--lc: #d97706}.layer-block[data-astro-cid-t2biswt3].L5{--lc: #334155}.layer-body[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:1fr minmax(180px,230px);gap:clamp(1.5rem,3vw,2.5rem);align-items:start;margin-top:.9rem}.layer-block[data-astro-cid-t2biswt3].wide .layer-body[data-astro-cid-t2biswt3]{grid-template-columns:1fr}.layer-mini[data-astro-cid-t2biswt3]{margin:0}.layer-block[data-astro-cid-t2biswt3].wide 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figcaption[data-astro-cid-t2biswt3]{margin-top:.75rem;color:var(--ink-soft);font-family:var(--mono);font-size:.78rem;line-height:1.5}.policy-note[data-astro-cid-t2biswt3]{max-width:47rem;margin:1.35rem 0 0}.how-intro[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1.25rem,3vw,2.2rem);max-width:65rem;margin-top:1.35rem}.how-intro[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3]{margin:0;padding-left:1rem;border-left:2px solid color-mix(in srgb,var(--systems) 35%,transparent)}.role-key[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin:clamp(1.2rem,2vw,1.8rem) 0 clamp(1rem,2vw,1.5rem);padding:0;border:1px solid var(--rule);border-radius:4px;overflow:hidden;background:var(--rule);list-style:none}.role-key[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]{min-width:0;padding:.85rem 1rem;background:var(--surface)}.role-key[data-astro-cid-t2biswt3] b[data-astro-cid-t2biswt3]{display:block;color:var(--systems)}.role-key[data-astro-cid-t2biswt3] span[data-astro-cid-t2biswt3]{display:block;margin-top:.3rem;color:var(--ink-soft);font-size:.86rem;line-height:1.35}.layer-summary[data-astro-cid-t2biswt3]{margin:0 0 clamp(1rem,2vw,1.5rem)}.layer-summary[data-astro-cid-t2biswt3] ul[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:0;padding:0;border:1px solid var(--rule);border-radius:4px;overflow:hidden;background:var(--rule);list-style:none}.layer-summary-item[data-astro-cid-t2biswt3]{--ls: var(--systems);display:grid;grid-template-columns:auto 1fr;gap:.35rem .65rem;min-width:0;padding:.9rem 1rem;background:var(--surface)}.layer-summary-item[data-astro-cid-t2biswt3].L0{--ls: #2f855a}.layer-summary-item[data-astro-cid-t2biswt3].L1{--ls: #0e7490}.layer-summary-item[data-astro-cid-t2biswt3].L2{--ls: #334155}.layer-summary-item[data-astro-cid-t2biswt3].L3{--ls: 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0;padding:0;list-style:none}.flow-list[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]{min-width:0;padding-left:.9rem;border-left:2px solid color-mix(in srgb,var(--lc, var(--systems)) 45%,transparent)}.flow-list[data-astro-cid-t2biswt3] b[data-astro-cid-t2biswt3]{display:block;color:var(--ink)}.flow-list[data-astro-cid-t2biswt3] span[data-astro-cid-t2biswt3]{display:block;margin-top:.2rem}.e2e-example[data-astro-cid-t2biswt3]{margin:clamp(1.5rem,3vw,2.4rem) 0 0;padding:clamp(1.25rem,2.5vw,1.8rem);border:1px solid var(--rule-hard);border-radius:4px;background:repeating-linear-gradient(0deg,color-mix(in srgb,var(--systems) 3%,transparent) 0 1px,transparent 1px 28px),var(--surface)}.e2e-example[data-astro-cid-t2biswt3] h3[data-astro-cid-t2biswt3]{margin:.55rem 0 0;font-family:var(--serif);font-size:clamp(1.25rem,1.8vw,1.55rem);font-weight:600;line-height:1.2}.example-sections[data-astro-cid-t2biswt3]{display:grid;gap:clamp(1rem,2vw,1.35rem);margin-top:1rem}.example-panel[data-astro-cid-t2biswt3]{min-width:0}.example-panel[data-astro-cid-t2biswt3]+.example-panel[data-astro-cid-t2biswt3]{padding-top:clamp(1rem,2vw,1.35rem);border-top:1px solid var(--rule)}.example-label[data-astro-cid-t2biswt3]{margin:0 0 .65rem;color:var(--systems)}.example-flowchart[data-astro-cid-t2biswt3],.schema-card[data-astro-cid-t2biswt3]{min-width:0;margin:0}.example-flowchart[data-astro-cid-t2biswt3]{min-width:0;padding:clamp(1rem,2vw,1.5rem);overflow-x:auto;border:1px solid var(--rule);border-radius:4px;background:var(--paper)}.example-flowchart[data-astro-cid-t2biswt3] svg[data-astro-cid-t2biswt3]{display:block;width:100%;min-width:48rem;height:auto}.example-flowchart[data-astro-cid-t2biswt3] figcaption[data-astro-cid-t2biswt3],.schema-card[data-astro-cid-t2biswt3] figcaption[data-astro-cid-t2biswt3]{margin-top:.65rem;color:var(--ink-soft);font-size:.84rem;line-height:1.45}.example-step-list[data-astro-cid-t2biswt3]{display:grid;gap:.75rem;margin:1rem 0 0;padding:0;list-style:none}.example-step-list[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]{display:grid;grid-template-columns:auto 1fr;gap:.65rem;min-width:0;padding:.8rem 0;border-top:1px solid var(--rule)}.example-step-list[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]:first-child{border-top:0;padding-top:0}.step-code[data-astro-cid-t2biswt3]{align-self:start;padding:.12rem .38rem;border:1px solid color-mix(in srgb,var(--systems) 45%,transparent);border-radius:3px;color:var(--systems);font-family:var(--mono);font-size:.68rem;font-weight:800}.example-step-list[data-astro-cid-t2biswt3] b[data-astro-cid-t2biswt3]{display:block;color:var(--ink)}.example-step-list[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3]{margin:.28rem 0 0;color:var(--ink-soft);font-size:.9rem;line-height:1.45}.schema-refs[data-astro-cid-t2biswt3]{display:flex;flex-wrap:wrap;gap:.35rem}.schema-refs[data-astro-cid-t2biswt3] code[data-astro-cid-t2biswt3]{min-width:0;padding:.08rem .32rem;border:1px solid var(--rule);border-radius:3px;background:var(--paper);color:var(--ink);font-family:var(--mono);font-size:.72rem;overflow-wrap:anywhere}.schema-intro[data-astro-cid-t2biswt3]{max-width:52rem;margin:0 0 .8rem;color:var(--ink-soft);font-size:.92rem;line-height:1.5}.schema-card[data-astro-cid-t2biswt3] figcaption[data-astro-cid-t2biswt3]{margin-top:0;margin-bottom:.5rem;font-family:var(--mono);font-weight:800;letter-spacing:.05em;text-transform:uppercase}.schema-card[data-astro-cid-t2biswt3] pre[data-astro-cid-t2biswt3]{max-height:22rem;margin:0;padding:1rem;overflow-y:auto;border:1px solid var(--rule);border-radius:4px;background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:.74rem;line-height:1.55;overflow-wrap:anywhere;white-space:pre-wrap}.schema-card[data-astro-cid-t2biswt3] code[data-astro-cid-t2biswt3]{font:inherit;white-space:inherit}.yaml-code[data-astro-cid-t2biswt3]{tab-size:2}.yaml-code[data-astro-cid-t2biswt3] .yaml-key{color:#93c5fd}.yaml-code[data-astro-cid-t2biswt3] .yaml-punct,.yaml-code[data-astro-cid-t2biswt3] .yaml-list{color:#fbbf24}.yaml-code[data-astro-cid-t2biswt3] .yaml-string,.yaml-code[data-astro-cid-t2biswt3] .yaml-scalar{color:#d1fae5}.yaml-code[data-astro-cid-t2biswt3] 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var(--systems);font-family:var(--serif);font-size:clamp(1.15rem,1.6vw,1.4rem);font-weight:600;line-height:1.3;color:var(--ink)}.invariant-visual[data-astro-cid-t2biswt3]{grid-column:1;grid-row:2 / span 4;align-self:center;margin:clamp(1.25rem,2.4vw,1.75rem) 0 clamp(1.25rem,2.4vw,1.75rem) clamp(1.25rem,2.3vw,2rem)}.invariant-visual[data-astro-cid-t2biswt3] svg[data-astro-cid-t2biswt3]{display:block;width:100%;height:auto}.iv-soft[data-astro-cid-t2biswt3]{fill:color-mix(in srgb,var(--iv) 7%,var(--paper));stroke:color-mix(in srgb,var(--iv) 50%,transparent);stroke-width:1.2px}.iv-box[data-astro-cid-t2biswt3]{fill:var(--surface);stroke:var(--iv);stroke-width:1.4px}.iv-authority[data-astro-cid-t2biswt3]{stroke-width:2.4px}.iv-line[data-astro-cid-t2biswt3],.iv-thin[data-astro-cid-t2biswt3],.iv-lock[data-astro-cid-t2biswt3]{fill:none;stroke:var(--iv);stroke-width:1.35px;stroke-linecap:round;stroke-linejoin:round}.iv-dashed[data-astro-cid-t2biswt3]{stroke-dasharray:4 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p[data-astro-cid-t2biswt3]{max-width:55rem;margin:0;padding:0}.limits-outro[data-astro-cid-t2biswt3]{max-width:58rem;margin:clamp(1.75rem,3vw,2.6rem) 0 0;padding-top:clamp(1.4rem,2.5vw,2rem);border-top:1px solid var(--rule-hard)}.limits-outro[data-astro-cid-t2biswt3] h3[data-astro-cid-t2biswt3]{margin:.65rem 0 0;color:var(--ink);font-family:var(--serif);font-size:clamp(1.45rem,2vw,2rem);font-weight:600;letter-spacing:0;line-height:1.15}.limits-outro[data-astro-cid-t2biswt3] p[data-astro-cid-t2biswt3]:not(.kicker){margin:.9rem 0 0;color:var(--ink-soft);font-size:clamp(1rem,1.25vw,1.12rem);line-height:1.72}.back-link[data-astro-cid-t2biswt3]{max-width:var(--page-max);margin-inline:auto;padding:clamp(2rem,4vw,3rem) var(--pad) clamp(4rem,8vw,6rem)}.back-link[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]{color:var(--accent);text-decoration:none}.back-link[data-astro-cid-t2biswt3] a[data-astro-cid-t2biswt3]:hover{color:var(--stamp)}@media(width<=900px){.page-nav[data-astro-cid-t2biswt3]{padding:0 20px}.page-nav__links[data-astro-cid-t2biswt3]{display:none}.mobile-nav[data-astro-cid-t2biswt3]{display:block;flex:none}.hero[data-astro-cid-t2biswt3],.concept-grid[data-astro-cid-t2biswt3],.problem-grid[data-astro-cid-t2biswt3],.compare-grid[data-astro-cid-t2biswt3],.role-key[data-astro-cid-t2biswt3],.layer-summary[data-astro-cid-t2biswt3] ul[data-astro-cid-t2biswt3],.flow-list[data-astro-cid-t2biswt3],.how-intro[data-astro-cid-t2biswt3],.limits-intro[data-astro-cid-t2biswt3],.example-sections[data-astro-cid-t2biswt3],.case-grid[data-astro-cid-t2biswt3],.case-grid[data-astro-cid-t2biswt3] 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1.35rem}.invariant-visual[data-astro-cid-t2biswt3]{margin:clamp(1rem,1.8vw,1.35rem) clamp(1.25rem,2.3vw,2rem) 0}}@media(width<=560px){h1[data-astro-cid-t2biswt3]{font-size:clamp(2.15rem,13vw,3.8rem)}.yaaa-page[data-astro-cid-t2biswt3]{--pad: 1.25rem}.subsystem-stack[data-astro-cid-t2biswt3]:before{inset:-.65rem .65rem .65rem -.65rem}.subsystem-stack[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]{flex-wrap:wrap}.subsystem-stack[data-astro-cid-t2biswt3] em[data-astro-cid-t2biswt3]{flex-basis:100%;margin:.2rem 0 0;padding-left:1.1rem}.tradeoff-legend[data-astro-cid-t2biswt3] li[data-astro-cid-t2biswt3]{grid-template-columns:1fr;gap:.25rem}}