@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Spectral:wght@500;600&family=JetBrains+Mono:wght@400;500&display=swap";

:root{--teal-50:#e9faf6;--teal-100:#c7f2e9;--teal-200:#93e6d6;--teal-300:#5ad6c2;--teal-400:#2cc3ad;--teal-500:#14b8a6;--teal-600:#0d9488;--teal-700:#0c7367;--teal-800:#0c5a52;--teal-900:#0b3f3a;--sand-0:#fff;--sand-50:#fbfdfc;--sand-100:#f3f7f6;--sand-200:#e2ece9;--sand-300:#cdddd8;--sand-400:#a7bcb6;--sand-500:#5d6e69;--sand-600:#44544f;--sand-700:#2c3a36;--sand-900:#16201d;--success-500:#0e9f6e;--warning-500:#d97706;--info-500:#0ea5e9;--danger-500:#ef4444;--bg:var(--sand-50);--surface:var(--sand-0);--card:var(--sand-100);--border:var(--sand-200);--border-strong:var(--sand-300);--ink:var(--sand-900);--text:var(--sand-900);--muted:var(--sand-500);--faint:var(--sand-400);--primary:var(--teal-500);--primary-ink:var(--teal-700);--link:var(--teal-700);--success:var(--success-500);--warning:var(--warning-500);--info:var(--info-500);--danger:var(--danger-500);--primary-wash:color-mix(in oklab, var(--primary) 7%, var(--card));--primary-wash-2:color-mix(in oklab, var(--primary) 12%, var(--card));--primary-edge:color-mix(in oklab, var(--primary) 30%, transparent);--on-primary:var(--sand-50);--grid:color-mix(in oklab, var(--primary) 5%, transparent)}:root[data-theme=dark]{--bg:#0d1413;--surface:#111a18;--card:#15201d;--border:#233330;--border-strong:#2c4039;--ink:#e8f1ee;--text:#e8f1ee;--muted:#92a8a2;--faint:#5d736c;--primary:var(--teal-400);--primary-ink:#5eead4;--link:#5eead4;--on-primary:#06201c;--primary-wash:color-mix(in oklab, var(--primary) 10%, var(--card));--primary-wash-2:color-mix(in oklab, var(--primary) 16%, var(--card));--grid:color-mix(in oklab, var(--primary) 8%, transparent)}
:root{--serif:"Spectral", Georgia, "Times New Roman", serif;--sans:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--w-regular:400;--w-medium:500;--w-semibold:600;--fs-display:clamp(2.4rem, 1.9rem + 2.2vw, 3.4rem);--fs-h1:clamp(2rem, 1.7rem + 1.4vw, 2.6rem);--fs-h2:1.35rem;--fs-h3:1.05rem;--fs-lede:1.18rem;--fs-body:1rem;--fs-sm:.9rem;--fs-caption:.82rem;--fs-label:.72rem;--fs-micro:.66rem;--fs-code:.85rem;--lh-tight:1.15;--lh-heading:1.25;--lh-snug:1.45;--lh-body:1.65;--lh-flat:1;--ls-tight:-.012em;--ls-normal:0;--ls-label:.04em;--ls-caps:.08em;--text-display:var(--w-semibold) var(--fs-display)/var(--lh-tight) var(--serif);--text-h1:var(--w-semibold) var(--fs-h1)/var(--lh-tight) var(--serif);--text-h2:var(--w-semibold) var(--fs-h2)/var(--lh-heading) var(--serif);--text-body:var(--w-regular) var(--fs-body)/var(--lh-body) var(--sans);--text-label:var(--w-medium) var(--fs-label)/var(--lh-flat) var(--mono)}body{font-family:var(--sans);font-size:var(--fs-body);line-height:var(--lh-body);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}
:root{--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:22px;--space-6:32px;--space-7:44px;--space-8:56px;--space-9:80px;--space-10:120px;--sp-xs:var(--space-1);--sp-sm:var(--space-2);--sp-md:var(--space-4);--sp-lg:var(--space-6);--sp-xl:var(--space-8);--radius-sm:9px;--radius:14px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--hairline:1px;--rule:2px;--col-reading:760px;--col-wide:1080px;--rail-left:260px;--rail-right:190px;--page-pad:32px;--grid-cell:46px}
:root{--shadow-0:none;--shadow-1:0 2px 8px -4px color-mix(in oklab, var(--ink) 22%, transparent);--shadow-2:0 14px 34px -20px color-mix(in oklab, var(--ink) 38%, transparent);--shadow-3:0 24px 60px -28px color-mix(in oklab, var(--ink) 46%, transparent);--glow:0 16px 40px -22px color-mix(in oklab, var(--primary) 42%, transparent);--glow-soft:0 8px 24px -16px color-mix(in oklab, var(--primary) 36%, transparent);--glow-tight:0 0 0 1px color-mix(in oklab, var(--primary) 22%, transparent), 0 4px 18px -8px color-mix(in oklab, var(--primary) 34%, transparent);--shadow:var(--shadow-2);--shadow-primary:var(--glow);--ring-width:2px;--ring:0 0 0 var(--ring-width) color-mix(in oklab, var(--primary) 55%, transparent);--ring-wide:0 0 0 4px color-mix(in oklab, var(--primary) 22%, transparent);--focus-outline:2px solid color-mix(in oklab, var(--primary) 24%, transparent);--inset-accent:inset var(--rule) 0 0 0 var(--primary);--blur:saturate(150%) blur(14px);--blur-strong:saturate(160%) blur(22px);--scrim:color-mix(in oklab, var(--ink) 38%, transparent);--glass:color-mix(in oklab, var(--surface) 78%, transparent)}:root[data-theme=dark]{--shadow-1:0 2px 10px -4px #000a;--shadow-2:0 16px 36px -18px #000c;--shadow-3:0 26px 64px -26px #000e;--scrim:#00000094;--glass:color-mix(in oklab, var(--surface) 70%, transparent)}@supports (color:lab(0% 0 0)){:root[data-theme=dark]{--scrim:lab(0% 0 0/.58)}}
:root{--dur-1:80ms;--dur-2:.14s;--dur-3:.22s;--dur-4:.32s;--dur-5:.48s;--dur-6:.72s;--dur-7:1.2s;--ease-glide:cubic-bezier(.22, 1, .36, 1);--ease-expo:cubic-bezier(.16, 1, .3, 1);--ease-spring:cubic-bezier(.34, 1.4, .46, 1);--ease-inout:cubic-bezier(.65, 0, .35, 1);--ease-out:cubic-bezier(.33, 0, .1, 1);--lift-1:-2px;--lift-2:-4px;--lift-3:-6px;--rise:12px;--rise-lg:24px;--press:.97;--stagger:60ms;--t-hover:transform var(--dur-2) var(--ease-glide), box-shadow var(--dur-2) var(--ease-glide), border-color var(--dur-2) var(--ease-glide);--t-press:transform var(--dur-1) var(--ease-out);--t-color:color var(--dur-2) var(--ease-out), background-color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out);--t-panel:transform var(--dur-4) var(--ease-expo), opacity var(--dur-4) var(--ease-out);--t-glide:all var(--dur-3) var(--ease-glide)}@keyframes mpx-rise{0%{opacity:0;transform:translate3d(0, var(--rise), 0)}to{opacity:1;transform:none}}@keyframes mpx-rise-lg{0%{opacity:0;transform:translate3d(0, var(--rise-lg), 0)}to{opacity:1;transform:none}}@keyframes mpx-rise-safe{0%{transform:translate3d(0, var(--rise), 0)}to{transform:none}}@keyframes mpx-rise-safe-lg{0%{transform:translate3d(0, var(--rise-lg), 0)}to{transform:none}}@keyframes mpx-fade{0%{opacity:0}to{opacity:1}}@keyframes mpx-scale-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}@keyframes mpx-pop{0%{opacity:0;transform:scale(.8)}60%{opacity:1;transform:scale(1.04)}to{transform:scale(1)}}@keyframes mpx-sheen{0%{transform:translate(-120%)skew(-12deg)}to{transform:translate(220%)skew(-12deg)}}@keyframes mpx-pulse{0%{opacity:.55;transform:scale(.6)}to{opacity:0;transform:scale(2.4)}}@keyframes mpx-draw{0%{stroke-dashoffset:var(--draw-len,1000)}to{stroke-dashoffset:0}}@keyframes mpx-breathe{0%,to{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.04)}}@keyframes mpx-drift{0%{transform:translate(0,0)}50%{transform:translateY(-5px)}to{transform:translate(0,0)}}@keyframes mpx-caret{0%,49%{opacity:1}50%,to{opacity:0}}@keyframes mpx-scan{0%{transform:translateY(-100%)}to{transform:translateY(1000%)}}@keyframes mpx-shimmer{0%{background-position:-180% 0}to{background-position:180% 0}}@keyframes mpx-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:no-preference){[data-animate] .mpx-reveal{animation:mpx-rise-safe var(--dur-5) var(--ease-glide) both;animation-delay:var(--mpx-delay,0s)}[data-animate] .mpx-reveal--hero{animation-name:mpx-rise-safe-lg;animation-duration:var(--dur-6)}[data-animate] .mpx-reveal--fade{opacity:0;animation-name:mpx-fade}[data-animate] .mpx-reveal--scale{opacity:0;animation-name:mpx-scale-in}[data-animate][data-stagger]>*{animation:mpx-rise-safe var(--dur-5) var(--ease-glide) both}[data-animate][data-stagger]>:first-child{animation-delay:calc(var(--stagger) * 0)}[data-animate][data-stagger]>:nth-child(2){animation-delay:calc(var(--stagger) * 1)}[data-animate][data-stagger]>:nth-child(3){animation-delay:calc(var(--stagger) * 2)}[data-animate][data-stagger]>:nth-child(4){animation-delay:calc(var(--stagger) * 3)}[data-animate][data-stagger]>:nth-child(5){animation-delay:calc(var(--stagger) * 4)}[data-animate][data-stagger]>:nth-child(6){animation-delay:calc(var(--stagger) * 5)}[data-animate][data-stagger]>:nth-child(7){animation-delay:calc(var(--stagger) * 6)}[data-animate][data-stagger]>:nth-child(8){animation-delay:calc(var(--stagger) * 7)}[data-animate][data-stagger]>:nth-child(n+9){animation-delay:calc(var(--stagger) * 8)}}.mpx-lift{transition:var(--t-hover);will-change:transform}.mpx-lift:hover{transform:translateY(var(--lift-2))}.mpx-press{transition:var(--t-press)}.mpx-press:active{transform:scale(var(--press))}.mpx-sheen{position:relative;overflow:hidden}.mpx-sheen:after{content:"";pointer-events:none;opacity:0;background:linear-gradient(90deg,#0000,#ffffff8c,#0000);background:linear-gradient(90deg,#0000,lab(100% -.0000298023 .0000119209/.55),#0000);position:absolute;inset:0;transform:translate(-120%)skew(-12deg)}.mpx-sheen:hover:after{opacity:.5;animation:mpx-sheen var(--dur-6) var(--ease-glide)}.mpx-pulse{position:relative}.mpx-pulse:before{content:"";border-radius:inherit;box-shadow:0 0 0 2px var(--primary);animation:mpx-pulse var(--dur-7) var(--ease-out) infinite;position:absolute;inset:0}.mpx-caret{background:var(--primary);width:.5ch;animation:1s step-end infinite mpx-caret;display:inline-block}.mpx-skeleton{background:linear-gradient(100deg, var(--card) 30%, color-mix(in oklab, var(--primary) 8%, var(--card)) 50%, var(--card) 70%);border-radius:var(--radius-sm);background-size:220% 100%;animation:1.4s linear infinite mpx-shimmer}.mpx-spinner{border:2px solid color-mix(in oklab, var(--primary) 24%, transparent);border-top-color:var(--primary);width:16px;height:16px;animation:mpx-spin var(--dur-6) linear infinite;border-radius:50%}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:var(--lh-body);-webkit-font-smoothing:antialiased;margin:0}.layout{grid-template-columns:1fr;gap:0;min-height:100vh;display:grid}main{max-width:var(--col-reading);padding:var(--space-8) var(--page-pad) var(--space-10);width:100%;margin:0 auto}article>header{margin-bottom:28px}h1{font-family:var(--serif);font-size:var(--fs-h1);line-height:var(--lh-tight);letter-spacing:var(--ls-tight);margin:0 0 10px}h2{font-family:var(--serif);font-size:var(--fs-h2);line-height:var(--lh-heading);margin:36px 0 12px}h3{font-size:var(--fs-h3);margin:24px 0 8px}p,li{font-size:var(--fs-body)}.meta{color:var(--muted);font-size:var(--fs-caption);flex-wrap:wrap;align-items:center;gap:10px;display:flex}time{font-variant-numeric:tabular-nums}.badge{font-family:var(--mono);font-size:var(--fs-label);letter-spacing:var(--ls-label);text-transform:uppercase;border-radius:var(--radius-full);background:color-mix(in oklab, var(--primary) 14%, var(--card));color:var(--primary-ink);border:1px solid var(--primary-edge);align-items:center;gap:5px;padding:3px 9px;display:inline-flex}a{color:var(--link);border-bottom:1px solid color-mix(in oklab, var(--link) 35%, transparent);transition:var(--t-color), border-color var(--dur-2) var(--ease-out);text-decoration:none}a:hover{border-bottom-color:var(--link)}a[rel~=composes]:after{content:" (composes)"}a[rel~=refines]:after{content:" (refines)"}a[rel~=contradicts]:after{content:" (contradicts)"}a[rel~=analogous_to]:after{content:" (analogous)"}a[rel~=derived_from]:after{content:" (source)"}a[rel~=expressed_in]:after{content:" (expressed in)"}a[rel~=casts]:after{content:" (casts)"}a[rel~=composes]:after,a[rel~=refines]:after,a[rel~=contradicts]:after,a[rel~=analogous_to]:after,a[rel~=derived_from]:after,a[rel~=expressed_in]:after,a[rel~=casts]:after{font-family:var(--mono);color:var(--muted);letter-spacing:.01em;font-size:.8em;font-weight:400}a.rel-historical{opacity:.55}a.rel-historical:after{font-style:italic}.eyebrow{font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:var(--ls-caps);text-transform:uppercase;color:var(--muted);align-items:center;gap:8px;margin-bottom:14px;display:inline-flex}.eyebrow .dot{display:none}@media (prefers-reduced-motion:no-preference){.eyebrow .dot:after{content:none}}.phero{isolation:isolate;margin-bottom:8px;padding:8px 0 14px;position:relative}.phero:before{content:"";z-index:-1;background:radial-gradient(circle at 16% 24%, color-mix(in oklab, var(--primary) 26%, transparent) 0%, transparent 56%), radial-gradient(circle at 84% 8%, color-mix(in oklab, var(--info) 18%, transparent) 0%, transparent 55%), radial-gradient(circle at 52% 96%, color-mix(in oklab, var(--primary-ink) 14%, transparent) 0%, transparent 48%);filter:blur(34px);opacity:.85;pointer-events:none;height:240px;position:absolute;inset:-28px -36px auto}@media (prefers-reduced-motion:no-preference){[data-animate] .phero:before{animation:mpx-breathe 14s var(--ease-inout) infinite}}.phero h1{margin:0 0 8px}.phero .lede{font-size:var(--fs-lede);line-height:var(--lh-snug);color:var(--ink);max-width:64ch;margin:6px 0 14px}.phero .metarow{font-size:var(--fs-caption);color:var(--muted);flex-wrap:wrap;align-items:center;gap:14px 16px;display:flex}article.primitive>header{flex-direction:column;gap:12px;display:flex}article.primitive .chips{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.definition{color:var(--ink);border-left:3px solid var(--primary);margin:6px 0 10px;padding:4px 0 4px 18px;font-size:1.12rem;line-height:1.6}.callout{border-radius:var(--radius);background:var(--primary-wash);border-left:3px solid var(--primary);margin:22px 0;padding:16px 20px}.callout.key{background:var(--primary-wash-2);border-left-color:var(--primary-ink)}.callout.note{background:color-mix(in oklab, var(--info) 8%, var(--card));border-left-color:var(--info)}.callout.warn{background:color-mix(in oklab, var(--warning) 9%, var(--card));border-left-color:var(--warning)}.callout>:first-child{margin-top:0}.callout>:last-child{margin-bottom:0}.callout .label{font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;display:block}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:18px 0;display:grid}.feature{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:var(--t-hover);will-change:transform;padding:16px 18px}.feature:hover{transform:translateY(var(--lift-2));border-color:color-mix(in oklab, var(--primary) 30%, var(--border));box-shadow:var(--glow)}.feature .n{font-family:var(--mono);font-size:var(--fs-label);color:var(--primary-ink);background:color-mix(in oklab, var(--primary) 10%, transparent);border-radius:6px;padding:2px 8px}.feature h4{font-family:var(--sans);margin:10px 0 6px;font-size:.98rem}.feature p{color:var(--muted);margin:0;font-size:.88rem;line-height:1.55}.tag{font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.02em;border-radius:var(--radius-full);vertical-align:middle;border:1px solid #0000;align-items:center;gap:5px;padding:2px 9px;font-weight:500;display:inline-flex}.tag.good{color:var(--success);background:color-mix(in oklab, var(--success) 12%, transparent);border-color:color-mix(in oklab, var(--success) 30%, transparent)}.tag.warn{color:var(--warning);background:color-mix(in oklab, var(--warning) 12%, transparent);border-color:color-mix(in oklab, var(--warning) 30%, transparent)}.tag.bad{color:var(--danger);background:color-mix(in oklab, var(--danger) 12%, transparent);border-color:color-mix(in oklab, var(--danger) 30%, transparent)}.tag.info{color:var(--info);background:color-mix(in oklab, var(--info) 12%, transparent);border-color:color-mix(in oklab, var(--info) 30%, transparent)}.tag.muted{color:var(--muted);background:var(--card);border-color:var(--border)}.table{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:18px 0;overflow:hidden}.table table{border-collapse:collapse;width:100%;font-size:var(--fs-sm)}.table thead th{text-align:left;font-family:var(--sans);font-weight:600;font-size:var(--fs-label);text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--card);border-bottom:1px solid var(--border);padding:10px 14px}.table tbody td{border-bottom:1px solid var(--border);vertical-align:top;padding:10px 14px}.table tbody tr:last-child td{border-bottom:0}.table tbody tr{transition:background var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out)}.table tbody tr:hover{background:color-mix(in oklab, var(--primary) 6%, var(--surface));box-shadow:var(--inset-accent)}.pair{border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:1fr auto 1fr;align-items:stretch;margin:12px 0;display:grid;overflow:hidden}.pair>div{padding:14px 16px}.pair .lhs{background:color-mix(in oklab, var(--danger) 6%, var(--surface))}.pair .rhs{background:color-mix(in oklab, var(--success) 6%, var(--surface))}.pair .vs{color:var(--muted);font-family:var(--mono);background:var(--card);border-left:1px solid var(--border);border-right:1px solid var(--border);place-items:center;padding:0 12px;font-size:.82rem;display:grid}.pair h4{font-family:var(--sans);margin:0 0 4px;font-size:.9rem}.pair p{color:var(--muted);margin:0;font-size:.84rem;line-height:1.5}.stages{grid-auto-columns:1fr;grid-auto-flow:column;gap:12px;margin:18px 0;display:grid}.stages .stage{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);transition:var(--t-hover);will-change:transform;padding:14px 16px}.stages .stage:hover{transform:translateY(var(--lift-2));border-color:color-mix(in oklab, var(--primary) 28%, var(--border));box-shadow:var(--glow)}.stages .stage .n{font-family:var(--mono);font-size:var(--fs-micro);color:var(--primary-ink)}.stages .stage h4{font-family:var(--sans);margin:6px 0 5px;font-size:.9rem}.stages .stage p{color:var(--muted);margin:0;font-size:.82rem;line-height:1.5}.stats{grid-template-columns:repeat(auto-fit,minmax(124px,1fr));gap:12px;margin:18px 0;display:grid}.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.stat 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