.iso{--anatomy-page:#0b0b0b;--anatomy-card:#131313;--anatomy-text:#a3a3a3;--anatomy-strong:#e6e6e6;--anatomy-muted:#6e6e6e;--anatomy-paper:#131313;--anatomy-face:#1b1b1b;--anatomy-top:#1c1c1c;--anatomy-shade-0:#0f0f0f;--anatomy-shade-1:#121212;--anatomy-shade-2:#151515;--anatomy-shade-3:#181818;--anatomy-lit-top:#262626;--anatomy-lit-shade:#1d1d1d;--anatomy-hi:#d4d4d4;--anatomy-mid:#6a6a6a;--anatomy-lo:#3e3e3e;--anatomy-faint:#2a2a2a;--anatomy-lit:#ffffff;--anatomy-halo:#050505;--anatomy-halo-opacity:.9;--anatomy-dot:#e6e6e6;--anatomy-red:#ff6b6b;--anatomy-green:#6be0a0;--anatomy-blue:#6b9bff;--anatomy-weight:.6px;--anatomy-ease:cubic-bezier(.32,.72,0,1);--anatomy-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--anatomy-lift:inset 0 1px 0 0 #ffffff0a,inset 0 0 0 1px #ffffff06,0 0 0 1px #00000026,0 1px 1px -.5px #00000014,0 3px 3px -1.5px #00000014,0 6px 6px -3px #00000014,0 12px 12px -6px #00000014}.iso[data-theme=light]{--anatomy-page:#f2f2ef;--anatomy-card:#fbfbfa;--anatomy-text:#57575a;--anatomy-strong:#18181a;--anatomy-muted:#8c8c90;--anatomy-paper:#fbfbfa;--anatomy-face:#ffffff;--anatomy-top:#ffffff;--anatomy-shade-0:#dcdcd9;--anatomy-shade-1:#e5e5e2;--anatomy-shade-2:#ededea;--anatomy-shade-3:#f4f4f1;--anatomy-lit-top:#ffffff;--anatomy-lit-shade:#eeeeeb;--anatomy-hi:#26262a;--anatomy-mid:#8a8a8f;--anatomy-lo:#b4b4b8;--anatomy-faint:#d4d4d6;--anatomy-lit:#000000;--anatomy-halo:#8a8a80;--anatomy-halo-opacity:.32;--anatomy-dot:#3a3a3e;--anatomy-red:#e5484d;--anatomy-green:#30a46c;--anatomy-blue:#3e63dd;--anatomy-lift:inset 0 1px 0 0 #ffffff,0 0 0 1px #0000000f,0 1px 1px -.5px #0000000a,0 3px 3px -1.5px #0000000a,0 6px 6px -3px #0000000a,0 12px 12px -6px #0000000a}.iso-svg{display:block;width:100%;height:auto;overflow:visible}.iso-svg path,.iso-svg circle{vector-effect:non-scaling-stroke}.iso-fill{fill:var(--anatomy-paper);stroke:none}.iso-solid[data-lit]>.iso-fill{fill:var(--anatomy-face)}.iso-shade,.iso-top{stroke:none}.iso-shade[data-shade="0"]{fill:var(--anatomy-shade-0)}.iso-shade[data-shade="1"]{fill:var(--anatomy-shade-1)}.iso-shade[data-shade="2"]{fill:var(--anatomy-shade-2)}.iso-shade[data-shade="3"]{fill:var(--anatomy-shade-3)}.iso-top{fill:var(--anatomy-top)}.iso-solid[data-lit]>.iso-top{fill:var(--anatomy-lit-top)}.iso-solid[data-lit]>.iso-shade{fill:var(--anatomy-lit-shade)}.iso-solid[data-seamless]>.iso-shade,.iso-solid[data-seamless]>.iso-top{stroke-width:.4;stroke-linejoin:round}.iso-solid[data-seamless]>.iso-shade[data-shade="0"]{stroke:var(--anatomy-shade-0)}.iso-solid[data-seamless]>.iso-shade[data-shade="1"]{stroke:var(--anatomy-shade-1)}.iso-solid[data-seamless]>.iso-shade[data-shade="2"]{stroke:var(--anatomy-shade-2)}.iso-solid[data-seamless]>.iso-shade[data-shade="3"]{stroke:var(--anatomy-shade-3)}.iso-solid[data-seamless]>.iso-top{stroke:var(--anatomy-top)}.iso-solid[data-seamless][data-lit]>.iso-top{stroke:var(--anatomy-lit-top)}.iso-solid[data-seamless][data-lit]>.iso-shade{stroke:var(--anatomy-lit-shade)}.iso-solid[data-lit]>.iso-edge{stroke:var(--anatomy-lit)}.iso-halo{fill:var(--anatomy-halo);stroke:none;filter:blur(9px);opacity:var(--anatomy-halo-opacity);transform:translateY(3px)}.iso-line{fill:none;stroke:var(--anatomy-lo);stroke-width:var(--anatomy-weight);stroke-linecap:round;stroke-linejoin:round}.iso-line[data-tone=hi]{stroke:var(--anatomy-hi)}.iso-line[data-tone=mid]{stroke:var(--anatomy-mid)}.iso-line[data-tone=lo]{stroke:var(--anatomy-lo)}.iso-line[data-tone=faint]{stroke:var(--anatomy-faint)}.iso-line[data-tone=lit]{stroke:var(--anatomy-lit)}.iso-line[data-tone=red]{stroke:var(--anatomy-red)}.iso-line[data-tone=green]{stroke:var(--anatomy-green)}.iso-line[data-tone=blue]{stroke:var(--anatomy-blue)}.iso-line[data-dotted]{stroke-dasharray:.01 3.5;stroke-width:1}.iso-line[data-dashed]{stroke-dasharray:3 3}.iso-line[data-flow]{stroke-dasharray:2 6}.iso-wire-end{fill:var(--anatomy-paper);stroke:var(--anatomy-lo);stroke-width:var(--anatomy-weight)}.iso-wire[data-tone=hi] .iso-wire-end{stroke:var(--anatomy-hi)}.iso-wire[data-tone=mid] .iso-wire-end{stroke:var(--anatomy-mid)}.iso-wire[data-tone=faint] .iso-wire-end{stroke:var(--anatomy-faint)}.iso-wire[data-tone=lit] .iso-wire-end{stroke:var(--anatomy-lit)}.iso-dots circle{fill:var(--anatomy-dot);stroke:none;opacity:.32}.iso-dots[data-tone=hi] circle{opacity:.85}.iso-dots[data-tone=mid] circle{opacity:.45}.iso-dots[data-tone=lo] circle{opacity:.22}.iso-dots[data-tone=faint] circle{opacity:.12}.iso-face-text{fill:var(--anatomy-mid);font-family:var(--anatomy-mono);letter-spacing:.04em}.iso-face-text[data-tone=hi]{fill:var(--anatomy-hi)}.iso-face-text[data-tone=lo]{fill:var(--anatomy-lo)}.iso-face-text[data-tone=faint]{fill:var(--anatomy-faint)}.tb-body{fill:var(--anatomy-shade-2);stroke:none}.tb-shine{fill:var(--anatomy-top);stroke:none}.tb-shade{fill:var(--anatomy-shade-0);stroke:none}.tb-ring{fill:none;stroke:var(--anatomy-lo);stroke-width:.45;stroke-linecap:butt;stroke-linejoin:round}.tb-ring[data-tone=mid]{stroke:var(--anatomy-mid)}.tb-ring[data-tone=faint]{stroke:var(--anatomy-faint)}.tb-ring[data-tone=hi]{stroke:var(--anatomy-hi)}@keyframes iso-flow{to{stroke-dashoffset:-32}}@keyframes iso-pulse{0%,to{opacity:.18}12%{opacity:1}40%{opacity:.18}}.iso-line[data-flow]{animation:iso-flow 1.6s linear infinite}.iso-dots circle[data-pulse]{animation:iso-pulse 1.6s steps(1,end) infinite;animation-delay:var(--pulse-at,0ms)}.iso-figure{margin:32px 0 36px}.iso-plate{position:relative;padding:52px 24px;border-radius:0;background:var(--anatomy-card);box-shadow:0 0 0 1px var(--anatomy-mid);--anatomy-paper:var(--anatomy-card)}.iso-plate-corners{position:absolute;top:18px;right:20px;bottom:18px;left:20px;pointer-events:none}.iso-plate-corner{position:absolute;color:var(--anatomy-muted);font-family:var(--anatomy-mono);font-size:10.5px;line-height:1;letter-spacing:.04em;white-space:nowrap}.iso-plate-corner[data-corner=fig]{top:0;left:0;color:var(--anatomy-text)}.iso-plate-corner[data-corner=title]{top:0;right:0;text-transform:uppercase;letter-spacing:.1em}.iso-plate-corner[data-corner=hint]{bottom:0;left:0;text-transform:uppercase;letter-spacing:.1em}.iso-plate-corner[data-corner=readout]{right:0;bottom:0;color:var(--anatomy-text);font-variant-numeric:tabular-nums}.iso-plate .iso-svg{margin:0 auto}.iso-legend{display:grid;gap:8px;margin-top:12px;color:var(--anatomy-muted);font-size:13px;line-height:1.55}.iso-keys{display:flex;flex-wrap:wrap;gap:6px 18px}.iso-key{display:inline-flex;align-items:center;gap:7px}.iso-swatch{width:16px;height:10px;flex:none;overflow:visible}.iso-swatch path{fill:none;stroke:var(--anatomy-hi);stroke-width:1;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-linecap:round}.iso-swatch[data-mark=raised] path,.iso-swatch[data-mark=flat] path{stroke:var(--anatomy-mid)}.iso-swatch[data-mark=lit] path{stroke:var(--anatomy-lit)}.iso-swatch[data-mark=dim] path{stroke:var(--anatomy-lo)}.iso-swatch[data-mark=dotted] path{stroke-dasharray:.01 3;stroke-width:1.4}.iso-swatch[data-mark=dashed] path{stroke-dasharray:3 2.5}.iso-swatch[data-mark=red] path{stroke:var(--anatomy-red)}.iso-swatch[data-mark=green] path{stroke:var(--anatomy-green)}.iso-swatch[data-mark=blue] path{stroke:var(--anatomy-blue)}.iso-swatch-crease{stroke:var(--anatomy-lo)!important}@media(max-width:560px){.iso-plate{padding:48px 12px 70px}.iso-plate-corner[data-corner=hint]{bottom:18px}}@media(prefers-reduced-motion:reduce){.iso-line[data-flow],.iso-dots circle[data-pulse]{animation:none}}:root{--night:#0F1012;--night2:#17191C;--night3:#202327;--bone:#F2F3EF;--mist:#CDD1C8;--moss:#9CA28F;--leaf:#8FAD5C;--gold:#E9B949;--ember:#E07A4F;--line:rgba(242,243,239,.1);--line2:rgba(242,243,239,.18);--sans:"Geist","SF Pro Display","Helvetica Neue","Segoe UI",system-ui,sans-serif;--mono:"Geist Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;--ease:cubic-bezier(.22,1,.36,1);--top:64px}*{box-sizing:border-box}html{background:var(--night);color:var(--mist);font:16px/1.55 var(--sans);-webkit-text-size-adjust:100%;scroll-behavior:auto}body{margin:0;min-height:100%;overflow-x:hidden}a{color:inherit}#gl{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;height:100lvh;display:block;z-index:0}.vignette{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1;background:radial-gradient(120% 90% at 50% 40%,transparent 55%,rgba(8,9,10,.55))}#tags{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:2}#tags .tag{position:absolute;left:0;top:0;transform:translate(-50%,-50%);font:500 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--bone);background:#0f1012b8;border:1px solid var(--line2);border-radius:999px;padding:5px 9px;white-space:nowrap;opacity:0;transition:opacity .4s var(--ease);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}#tags .tag b{color:var(--c,var(--gold));font-weight:500;margin-right:6px}#tags .tag[data-on]{opacity:1}.top{position:fixed;left:0;right:0;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:12px max(16px,env(safe-area-inset-left)) 12px max(16px,env(safe-area-inset-right));background:linear-gradient(#0f1012d1,#0f101200);pointer-events:none}.top>*{pointer-events:auto}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--bone);font-weight:600;letter-spacing:-.02em}.brand svg{width:28px;height:28px}.brand small{display:block;font:500 10px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--moss);margin-top:2px}.chapters{display:flex;gap:4px;margin:0 auto;padding:4px;border:1px solid var(--line);border-radius:999px;background:#0f10128c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.chapters a{display:block;width:26px;height:26px;border-radius:50%;position:relative;text-decoration:none;font:500 10px/26px var(--mono);text-align:center;color:var(--moss)}.chapters a[aria-current]{color:var(--night);background:var(--gold)}.chapters a:hover:not([aria-current]){color:var(--bone);background:var(--night3)}.btn-gold{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;background:var(--gold);color:var(--night);font-weight:600;text-decoration:none;letter-spacing:-.01em;box-shadow:0 0 0 1px #e9b94959,0 10px 40px -10px #e9b94973;transition:transform .3s var(--ease)}.btn-gold:hover{transform:translateY(-1px)}.btn-ghost{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line2);color:var(--bone);text-decoration:none}.btn-ghost:hover{border-color:var(--moss)}.top .cta{min-height:38px;font-size:.9rem}.hud{position:fixed;z-index:15;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translate(-50%);display:flex;gap:2px;padding:4px;border-radius:14px;background:#0f1012b8;border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-family:var(--mono)}.hud div{padding:5px 12px;min-width:84px}.hud small{display:block;font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--moss)}.hud b{display:block;font-weight:500;color:var(--bone);font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums}.hud div:first-child b{color:var(--gold)}main{position:relative;z-index:10}.ch{min-height:150vh;display:flex;align-items:flex-start;padding:28vh max(20px,4vw) 0}.ch.hero{min-height:135vh;padding-top:16vh}.ch.lab{min-height:auto;padding-bottom:30vh}.ch.end{min-height:140vh;align-items:flex-start}.card{width:min(440px,100%);background:#0f1012c7;border:1px solid var(--line);border-radius:22px;padding:26px 26px 22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 30px 80px -30px #0009}.card.wide{width:min(620px,100%)}.lab-card{width:min(680px,100%)}.eyebrow{margin:0 0 10px;font:500 11px/1.3 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}h1,h2{color:var(--bone);font-weight:600;letter-spacing:-.025em;margin:0 0 14px;line-height:1.04}h1{font-size:clamp(2.6rem,6.5vw,4.6rem)}h2{font-size:clamp(1.65rem,3.4vw,2.3rem)}.card p{margin:0 0 12px}.card b{color:var(--bone);font-weight:600}.card b.g{color:var(--gold)}.lede{font-size:1.08rem;color:var(--mist)}.fine{font-size:.82rem;color:var(--moss)}.facts{list-style:none;margin:18px 0 6px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.facts li{border-top:1px solid var(--line2);padding-top:10px}.facts b{display:block;font:500 1.15rem/1.2 var(--mono);color:var(--gold);margin-bottom:4px}.facts span{font-size:.8rem;color:var(--moss);line-height:1.4;display:block}.scrollcue{display:flex;align-items:center;gap:10px;margin-top:18px!important;font:500 11px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--moss)}.scrollcue span{width:1px;height:26px;background:linear-gradient(var(--gold),transparent);animation:cue 1.8s var(--ease) infinite}@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}to{transform:scaleY(0);transform-origin:bottom}}.legend{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font-size:.86rem}.legend i{display:inline-block;width:18px;height:3px;border-radius:2px;background:var(--c);margin-right:8px;vertical-align:middle}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0 12px}.stats div{border-top:1px solid var(--line2);padding-top:10px}.stats b{display:block;font:500 1.25rem/1.15 var(--mono);color:var(--gold)}.stats span{display:block;font-size:.78rem;color:var(--moss);line-height:1.4;margin-top:4px}.stats span span{display:inline;color:var(--mist)}table.vs{width:100%;border-collapse:collapse;margin:8px 0 12px;font-size:.92rem}table.vs caption{text-align:left;font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--moss);padding-bottom:6px}table.vs th{text-align:left;font-weight:400;color:var(--mist);padding:8px 0;border-top:1px solid var(--line)}table.vs td{text-align:right;font:500 1rem var(--mono);color:var(--bone);border-top:1px solid var(--line)}table.vs tr:last-child td{color:var(--gold)}.papi{display:flex;align-items:center;gap:14px;margin:4px 0 14px;padding:10px 14px;border-radius:14px;background:var(--night2);border:1px solid var(--line)}.papi span{display:flex;gap:8px}.papi i{width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 12px #fff9}.papi i[data-red]{background:#ff5545;box-shadow:0 0 12px #ff5545b3}.papi b{font:500 .85rem var(--mono);color:var(--bone)}.levels{list-style:none;padding:0;margin:14px 0 10px;display:grid;gap:10px}.levels li{display:flex;gap:14px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:var(--night2);border:1px solid var(--line)}.levels i{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font:500 12px var(--mono);font-style:normal;color:var(--night);background:var(--leaf)}.levels li:last-child i{background:var(--gold)}.levels b{display:block;margin-bottom:2px}.levels span{font-size:.9rem;color:var(--mist)}.ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.fig{margin:14px -8px 12px}.fig .iso{background:transparent}.fig .iso-figure{margin:0}.fig .iso-plate{background:var(--anatomy-card);border-radius:16px}.fig .iso-stage{touch-action:pan-y;cursor:ew-resize;outline:none}.fig .iso-stage:focus-visible{box-shadow:0 0 0 2px var(--gold);border-radius:14px}.fig .iso-legend{padding:10px 6px 0}.flap-picks{display:flex;gap:6px;justify-content:center;padding:4px 10px 12px;flex-wrap:wrap}.flap-picks button{min-width:54px;min-height:44px;border-radius:999px;border:1px solid var(--line2);background:transparent;color:var(--mist);font:500 12px var(--mono);letter-spacing:.06em;cursor:pointer}.flap-picks button[aria-checked=true]{background:var(--gold);border-color:var(--gold);color:var(--night)}@keyframes smoke{to{stroke-dashoffset:-18}}@media(prefers-reduced-motion:reduce){.fig path[style*=smoke]{animation:none!important}}.stick{display:grid;grid-template-columns:auto 1fr;gap:12px 16px;align-items:center;margin-top:14px;padding:14px;border-radius:16px;background:var(--night2);border:1px solid var(--line)}.pad{position:relative;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,var(--night3) 0 60%,var(--night) 61%);border:1px solid var(--line2);touch-action:none;cursor:grab;grid-row:span 2}.pad:before,.pad:after{content:"";position:absolute;background:var(--line2)}.pad:before{left:50%;top:10px;bottom:10px;width:1px}.pad:after{top:50%;left:10px;right:10px;height:1px}.pad i{position:absolute;left:50%;top:50%;width:38px;height:38px;margin:-19px 0 0 -19px;border-radius:50%;background:var(--gold);box-shadow:0 6px 18px -4px #e9b94999;z-index:1}.pad .ax{position:absolute;font:500 9px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--moss)}.pad .ax.x{right:-2px;top:50%;transform:translate(100%,-50%)}.pad .ax.y{left:50%;top:-4px;transform:translate(-50%,-100%)}.rud{display:flex;flex-direction:column;gap:6px;font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--moss);padding-left:26px}.rud input{width:100%;accent-color:var(--gold);min-height:32px}.stick .fine{margin:0;padding-left:26px}.pad:focus-visible{box-shadow:0 0 0 2px var(--gold)}.credit{position:relative;z-index:10;padding:0 max(20px,4vw) 120px;max-width:720px;font-size:.78rem;color:var(--moss)}.noscript{position:relative;z-index:10;padding:20px}@media(min-width:1000px){.ch{padding-left:max(48px,6vw)}.ch[data-ch="2"],.ch[data-ch="5"],.ch[data-ch="7"]{justify-content:flex-end;padding-right:max(48px,6vw)}}@media(max-width:760px){:root{--top:56px}.chapters,.top .cta{display:none}.brand span{font-size:.95rem}.ch{padding:58vh 12px 0;min-height:165vh}.ch.hero{padding-top:52vh;min-height:150vh}.ch.lab{padding-top:46vh}.card{padding:20px 18px 16px;border-radius:18px;background:#0f1012d6}.facts{grid-template-columns:1fr;gap:8px}.facts li{display:flex;gap:12px;align-items:baseline}.facts b{min-width:86px}.stats{grid-template-columns:1fr;gap:8px}.stats div{display:flex;gap:12px;align-items:baseline}.stats b{min-width:92px}.fig{margin:12px -14px}.hud{bottom:max(10px,env(safe-area-inset-bottom));width:calc(100% - 24px);justify-content:space-between}.hud div{min-width:0;padding:5px 8px}.hud .hide-s{display:none}.stick{grid-template-columns:1fr;justify-items:center}.pad{grid-row:auto}.rud,.stick .fine{padding-left:0;width:100%;text-align:center}}@media(prefers-reduced-motion:reduce){.scrollcue span{animation:none}}