:root{--background:#f7f7f5;--surface:#fff;--surface-soft:#f1f1ed;--text:#171717;--text-soft:#5f5f5f;--text-reading:#404047;--border:#deded9;--border-strong:#c7c7c1;--rust:#b76545;--rust-soft:#f4e6df;--amber:#d39a3f;--amber-soft:#f7eedb;--slate:#6f7a88;--slate-soft:#e9edf1;--ink-soft:#dfdfdc;--danger:#b3261e;--max-width:1120px;--reading-width:820px;--radius:18px}.page__main{color:var(--text);background:var(--background);text-rendering:optimizelegibility;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.65}.page__main a{color:inherit;text-underline-offset:.18em;text-decoration-color:#b765458c;text-decoration-thickness:1.5px}.page__main a:hover{-webkit-text-decoration-color:var(--rust);text-decoration-color:var(--rust)}.shell{width:min(calc(100% - 40px), var(--max-width));margin-inline:auto}.hero{background:radial-gradient(circle at 85% 8%, #b7654521, transparent 28%), radial-gradient(circle at 72% 38%, #d39a3f14, transparent 26%), linear-gradient(180deg, #fff, var(--background));border-bottom:1px solid var(--border);overflow:hidden}.hero-inner{padding:96px 0 82px;position:relative}.hero-inner:after{content:"";pointer-events:none;border-top:1px solid #b7654559;border-radius:50%;width:min(34vw,380px);height:180px;position:absolute;bottom:-94px;right:1%;transform:rotate(-7deg)}.eyebrow,.kicker{color:var(--text-soft);letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;font-size:.76rem;font-weight:800}.page__main h1,.page__main h2,.page__main h3{letter-spacing:-.035em;margin:0;line-height:1.12}.page__main h1{max-width:1040px;font-size:clamp(3rem,7vw,6.4rem);font-weight:780}.page__main h1 span{color:#57575f}.hero-thesis{margin:30px 0 8px;font-size:clamp(1.35rem,2.5vw,2rem);font-weight:650}.hero-description{max-width:850px;color:var(--text-soft);margin:0;font-size:1.08rem}.hero-meta{color:var(--text-soft);flex-wrap:wrap;gap:9px;margin-top:28px;font-size:.88rem;display:flex}.article-nav{z-index:20;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f7f7f5f0;position:sticky;top:0}.article-nav__inner{scrollbar-width:none;align-items:center;gap:7px;min-height:58px;display:flex;overflow-x:auto}.article-nav__inner::-webkit-scrollbar{display:none}.article-nav__label{color:var(--text-soft);letter-spacing:.12em;text-transform:uppercase;flex:none;margin-right:8px;font-size:.7rem;font-weight:800}.article-nav a{color:var(--text-soft);border:1px solid #0000;border-radius:999px;flex:none;padding:7px 12px;font-size:.86rem;font-weight:700;text-decoration:none}.article-nav a:hover,.article-nav a:focus-visible{background:var(--surface);border-color:var(--border);color:var(--text)}.article-nav a:focus-visible{outline:2px solid var(--rust);outline-offset:2px}.article-anchor{height:0;scroll-margin-top:78px;display:block}#unknown-unknown{scroll-margin-top:78px}.article{padding:54px 0 100px}.article>section{margin-bottom:76px}.section-heading{max-width:880px;margin-bottom:28px}.section-heading h2{font-size:clamp(2rem,4vw,3.4rem)}.section-heading>p:last-child{color:var(--text-soft);margin-top:12px;font-size:1.05rem}.callout{background:var(--surface);border:1px solid var(--border);border-left:5px solid var(--text);border-radius:var(--radius);padding:30px 34px}.callout h2{margin-bottom:10px;font-size:clamp(1.7rem,3vw,2.7rem)}.callout>p:last-child{max-width:900px;color:var(--text-soft);margin-bottom:0;font-size:1.05rem}.callout--closing{border-left-color:var(--rust);background:linear-gradient(110deg, #f4e6df80, transparent 48%), var(--surface)}.callout--closing h3{letter-spacing:-.03em;margin:0 0 18px;font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.16}.erosion-map{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:34px}.erosion-grid{grid-template-columns:minmax(150px,1fr) 34px minmax(150px,1fr) 34px minmax(150px,1fr) 34px minmax(150px,1fr);align-items:center;display:grid}.erosion-node{border:1px solid var(--border-strong);background:#fff;border-top-width:4px;border-radius:14px;min-height:220px;padding:22px}.erosion-node--control{border-top-color:var(--rust)}.erosion-node--silence{border-top-color:var(--amber)}.erosion-node--signal{border-top-color:var(--slate)}.erosion-node--failure{border-top-color:var(--text)}.node-number{color:var(--text-soft);letter-spacing:.08em;margin-bottom:30px;font-size:.72rem;font-weight:800;display:block}.erosion-node strong{margin-bottom:12px;font-size:1.04rem;line-height:1.25;display:block}.erosion-node p{color:var(--text-soft);margin:0;font-size:.91rem}.flow-arrow{color:var(--text-soft);text-align:center;font-size:1.55rem}.feedback-row{border-top:1px dashed var(--border-strong);text-align:center;max-width:720px;margin:28px auto 0;padding-top:26px}.feedback-row strong{margin-bottom:5px;display:block}.feedback-row p{color:var(--text-soft);margin:0}.behavior-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.behavior-card{background:var(--surface);border:1px solid var(--border);border-radius:15px;min-height:210px;padding:24px}.behavior-card>span{background:var(--surface-soft);width:34px;height:34px;color:var(--text-soft);border-radius:50%;place-items:center;margin-bottom:34px;font-size:.72rem;font-weight:750;display:inline-grid}.behavior-card h3{margin-bottom:9px;font-size:1.32rem}.behavior-card p{color:var(--text-soft);margin:0}.behavior-card--wide{background:linear-gradient(100deg, #f4e6df8c, transparent 55%), var(--surface);border-color:#dfc9be;grid-column:span 3;min-height:0}.behavior-card--wide>span{background:var(--rust-soft);color:#7f442f;margin-bottom:20px}.behavior-card--wide p{max-width:800px}.reading-path{max-width:var(--reading-width)}.reading-path p{color:var(--text-reading);font-size:1.06rem}.reading-path blockquote{border-left:4px solid var(--rust);color:#2c2c31;letter-spacing:-.02em;margin:32px 0 0;padding:2px 0 2px 24px;font-size:clamp(1.25rem,2.5vw,1.65rem);font-weight:650;line-height:1.4}.absence-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:24px 0;display:grid}.absence-list p{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin:0;padding:14px 16px;font-size:.94rem}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto}.article table{border-collapse:collapse;width:100%;min-width:900px;font-size:.94rem}.article caption{border-bottom:1px solid var(--border);color:var(--text-soft);text-align:left;padding:16px 18px;font-size:.84rem}.article th,.article td{border-bottom:1px solid var(--border);vertical-align:top;padding:14px 16px}.article thead th{background:var(--surface-soft);letter-spacing:.025em;text-align:left;font-size:.8rem}.article tbody th{text-align:left;min-width:220px;font-weight:650}.article tbody tr:last-child>*{border-bottom:0}.article tbody tr:hover{background:#fafaf8}.table-note{color:var(--text-soft);margin:10px 3px 0;font-size:.85rem}.chemistry-note{background:var(--surface);border:1px solid var(--border);border-radius:14px;max-width:900px;margin-top:24px;padding:22px 24px}.chemistry-note>p:last-child{color:var(--text-soft);margin:0}.not-equal{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:28px 0;display:grid}.not-equal>div{background:var(--surface);border:1px solid var(--border);border-top:4px solid var(--slate);border-radius:14px;padding:22px}.not-equal>div:last-child{border-top-color:var(--rust)}.not-equal span,.not-equal strong{display:block}.not-equal span{color:var(--text-soft);letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;font-size:.76rem;font-weight:800}.not-equal strong{margin:8px 0;font-size:.92rem}.deep-dives details{background:var(--surface);border:1px solid var(--border);border-radius:15px;margin:12px 0;overflow:hidden}.deep-dives summary{cursor:pointer;align-items:center;gap:14px;padding:20px 22px;font-size:1.02rem;font-weight:720;list-style:none;display:flex}.deep-dives summary::-webkit-details-marker{display:none}.deep-dives summary:after{color:var(--text-soft);content:"+";margin-left:auto;font-size:1.35rem;font-weight:400}.deep-dives details[open] summary:after{content:"–"}.detail-number{background:var(--surface-soft);width:34px;height:34px;color:var(--text-soft);letter-spacing:.04em;border-radius:50%;flex:0 0 34px;place-items:center;font-size:.72rem;display:grid}.detail-body{max-width:940px;padding:0 24px 28px 70px}.detail-body p{color:#45454c}.meeting-protocol{counter-reset:protocol;margin:22px 0;padding:0;list-style:none}.meeting-protocol li{border-bottom:1px solid var(--border);counter-increment:protocol;grid-template-columns:30px 1fr;gap:12px;padding:11px 0;display:grid}.meeting-protocol li:before{color:var(--rust);content:counter(protocol, decimal-leading-zero);font-size:.76rem;font-weight:800}.contrast-line{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:20px;display:grid}.contrast-line span{background:var(--surface-soft);border-radius:10px;padding:16px}.responsibility-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.responsibility-grid article{background:var(--surface);border:1px solid var(--border);border-radius:15px;padding:26px}.responsibility-grid span{color:var(--text-soft);letter-spacing:.08em;font-size:.72rem;font-weight:800}.responsibility-grid h3{margin:28px 0 8px;font-size:1.45rem}.responsibility-grid p{color:var(--text-soft);margin:0}.responsibility-note{max-width:840px;color:var(--text-soft);margin:22px 0 0}.references{max-width:var(--reading-width)}.references ol{margin:0;padding-left:1.4rem}.references li{color:var(--text-reading);margin:0 0 14px;padding-left:7px}.closing-note{max-width:var(--reading-width);color:var(--text-soft);margin-top:24px;font-size:.9rem}.page__main code{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}@media (width<=980px){.erosion-grid{grid-template-columns:1fr;gap:10px}.erosion-node{min-height:0}.node-number{margin-bottom:16px}.flow-arrow{transform:rotate(90deg)}}@media (width<=760px){.shell{width:min(calc(100% - 28px), var(--max-width))}.hero-inner{padding:68px 0 58px}.page__main h1{font-size:clamp(2.65rem,13vw,4.7rem)}.article{padding-top:36px}.article>section{margin-bottom:58px}.callout,.erosion-map{padding:22px}.behavior-grid,.responsibility-grid,.not-equal,.contrast-line,.absence-list{grid-template-columns:1fr}.behavior-card--wide{grid-column:auto}.detail-body{padding:0 18px 22px}.detail-number,.article-nav__label{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important}}.reader-gated-content{filter:blur(10px);opacity:.18;pointer-events:none;-webkit-user-select:none;user-select:none;max-height:52vh;transition:filter .35s,opacity .35s;position:relative;overflow:hidden}.reader-gated-content:after{content:"";background:linear-gradient(180deg, #f7f7f500 0%, var(--background) 88%);position:absolute;inset:0}.reader-gated-content.is-unlocked{filter:none;opacity:1;pointer-events:auto;-webkit-user-select:auto;user-select:auto;max-height:none;overflow:visible}.reader-gated-content.is-unlocked:after,.reader-gate[hidden]{display:none}.reader-gate{z-index:1000;opacity:0;pointer-events:none;place-items:center;padding:22px;transition:opacity .18s;display:grid;position:fixed;inset:0}.reader-gate.is-visible{opacity:1}.reader-gate__backdrop{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);pointer-events:none;background:#171717b8;position:absolute;inset:0}.reader-gate__dialog{border-radius:var(--radius);background:var(--text);color:#fff;pointer-events:auto;border:1px solid #3a3a3a;outline:none;width:min(100%,620px);max-height:86vh;padding:clamp(34px,6vw,62px);transition:transform .18s;position:relative;overflow-y:auto;transform:translateY(18px)scale(.985);box-shadow:0 30px 100px #00000075}.reader-gate.is-visible .reader-gate__dialog{transform:translateY(0)scale(1)}.reader-gate__eyebrow{color:var(--amber);letter-spacing:.09em;text-transform:uppercase;font:700 .73rem/1.3 SFMono-Regular,Consolas,Liberation Mono,monospace;display:block}.reader-gate__dialog h2{letter-spacing:-.02em;margin:44px 0 22px;font:700 clamp(2rem,5vw,3.2rem)/1.05 Inter,ui-sans-serif,system-ui,sans-serif}.reader-gate__dialog>p{color:#c7c7c1;max-width:500px;margin:0 0 12px}.reader-gate__action{border:1px solid var(--rust);background:var(--rust);color:#fff;width:100%;font:inherit;cursor:pointer;border-radius:999px;justify-content:space-between;align-items:center;gap:28px;margin-top:38px;padding:18px 20px;font-weight:800;line-height:1.2;display:flex}.reader-gate__action:after{content:"→";flex-shrink:0}.reader-gate__action:hover,.reader-gate__action:focus-visible{background:var(--amber);border-color:var(--amber)}.reader-gate__back{color:#9a9a94;width:100%;font:inherit;cursor:pointer;background:0 0;border:0;margin-top:15px;padding:13px 18px;font-size:.82rem;display:block}.reader-gate__back:hover,.reader-gate__back:focus-visible{color:#fff;text-underline-offset:4px;text-decoration:underline}.reader-gate__progress{color:#9a9a94;text-transform:uppercase;letter-spacing:.08em;margin:0 0 14px;font:700 .72rem SFMono-Regular,Consolas,Liberation Mono,monospace}.reader-gate__question{letter-spacing:-.01em;margin:0 0 26px;font:700 clamp(1.3rem,3vw,1.9rem)/1.3 Inter,ui-sans-serif,system-ui,sans-serif}.reader-gate__options{flex-direction:column;gap:10px;margin:0 0 16px;display:flex}.reader-gate__option{color:#fff;text-align:left;font:inherit;cursor:pointer;background:#232323;border:1px solid #3a3a3a;border-radius:12px;padding:14px 16px;font-size:.92rem}.reader-gate__option:hover:not(:disabled){border-color:var(--rust)}.reader-gate__option:disabled{cursor:default;opacity:.7}.reader-gate__option--correct{border-color:var(--amber);color:var(--amber);font-weight:600}.reader-gate__option--correct:after{content:" ✓"}.reader-gate__option--incorrect{border-color:var(--danger);color:var(--danger)}.reader-gate__option--incorrect:after{content:" ✗"}.reader-gate__feedback{color:#c7c7c1;min-height:1.3em;margin:0 0 6px;font-size:.85rem}.reader-gate__feedback--error{color:var(--danger)}@media (width<=660px){.reader-gate__dialog{padding:clamp(26px,8vw,40px)}}