.mk,.mk--light .mk-chapter--dark{--mk-bg:#000;--mk-bg-soft:#0b0c0f;--mk-card:#101114;--mk-card-2:#16171b;--mk-line:#ffffff1a;--mk-line-strong:#ffffff2e;--mk-ink:#f5f5f7;--mk-ink-2:#a1a1a6;--mk-ink-3:#77777c;--mk-brand:#4a76ad;--mk-brand-hover:#5b8ac4;--mk-brand-text:#8fb0d8;--mk-brand-soft:#4a76ad29;--mk-on-brand:#fff;--mk-success:#7fd794;--mk-success-soft:#7fd79424;--mk-danger:#e39c9c;--mk-danger-soft:#e39c9c1f;--mk-stage-1:#5c86b3;--mk-stage-2:#d9a441;--mk-stage-3:#d08a45;--mk-stage-4:#3a9aa8;--mk-stage-5:#5fbf7a;--mk-veil:#ffffff0a;--mk-veil-2:#ffffff14;--mk-frame-bg:#0c0d10;--mk-frame-line:#ffffff24;--mk-shadow-frame:0 0 0 1px #ffffff0f, 0 60px 120px -50px #000000f2;--mk-shadow-card:0 30px 60px -36px #000000d9;--mk-r-btn:10px;--mk-r-card:16px;--mk-r-frame:14px;--mk-r-chip:10px;--mk-ease:cubic-bezier(.2, .7, .2, 1);--mk-ease-out:cubic-bezier(.16, 1, .3, 1);--mk-dur-fast:.18s;--mk-dur:.36s;--mk-dur-slow:.7s;--mk-header-h:72px;--mk-header-h-compact:60px;--mk-gutter:clamp(20px, 4vw, 64px);--mk-max:1240px;--mk-max-wide:1400px}.mk{font-family:var(--font-sans,"Inter", ui-sans-serif, system-ui, sans-serif);color:var(--mk-ink);background:var(--mk-bg);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;-webkit-font-smoothing:antialiased;overflow-x:clip}.mk--light .mk-chapter--dark{background:var(--mk-bg);color:var(--mk-ink);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.mk--light,.mk-chapter--light{--mk-bg:#f6f5f2;--mk-bg-soft:#efeeea;--mk-card:#fff;--mk-card-2:#fbfaf8;--mk-line:#1616161f;--mk-line-strong:#16161638;--mk-ink:#161616;--mk-ink-2:#5f5d58;--mk-ink-3:#6f6c67;--mk-brand:#1e3a5c;--mk-brand-hover:#162c4b;--mk-brand-text:#1e3a5c;--mk-brand-soft:#1e3a5c14;--mk-on-brand:#fff;--mk-success:#2f6b3a;--mk-success-soft:#2f6b3a1a;--mk-stage-1:#4b729c;--mk-stage-2:#c48a10;--mk-stage-3:#c9782e;--mk-stage-4:#2f7f8a;--mk-stage-5:#3f8a4c;--mk-veil:#16161608;--mk-veil-2:#1616160f;--mk-shadow-card:0 30px 60px -40px #16161659;--mk-shadow-frame:0 0 0 1px #16161614, 0 60px 120px -60px #1616168c;background:var(--mk-bg);color:var(--mk-ink);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.mk ::selection{background:var(--mk-brand-soft);color:var(--mk-ink)}.mk :focus-visible{outline:2px solid var(--mk-brand-text);outline-offset:3px;border-radius:6px}.mk-container{width:100%;max-width:var(--mk-max);padding-inline:var(--mk-gutter);margin-inline:auto}.mk-container--wide{max-width:var(--mk-max-wide)}.mk-chapter{scroll-margin-top:var(--mk-header-h-compact);padding-block:clamp(88px,10vw,152px);position:relative}.mk-chapter--light+.mk-chapter--light{border-top:1px solid var(--mk-line)}.mk-chapter--white{--mk-bg:#fff;--mk-bg-soft:#f6f5f2;--mk-card:#f6f5f2;--mk-card-2:#fbfaf8}.mk-chapter__head{max-width:64rem}.mk-chapter__head .mk-h2{margin-top:22px}.mk-chapter__head .mk-lead{margin-top:24px}.mk-marker{letter-spacing:.01em;color:var(--mk-ink-2);align-items:center;gap:14px;font-size:.8125rem;font-weight:500;display:inline-flex}.mk-marker__no{font-variant-numeric:tabular-nums;color:var(--mk-brand-text)}.mk-marker:after{content:"";background:var(--mk-line-strong);width:36px;height:1px}.mk-h1{letter-spacing:-.045em;text-wrap:balance;color:var(--mk-ink);font-size:clamp(2.75rem,1rem + 7.4vw,9.375rem);font-weight:300;line-height:.98}.mk-h2{letter-spacing:-.04em;text-wrap:balance;color:var(--mk-ink);font-size:clamp(2.125rem,1rem + 4vw,5.5rem);font-weight:300;line-height:1.02}.mk-h2__line,.mk-h1__line{display:block}.mk-h3{letter-spacing:-.03em;color:var(--mk-ink);font-size:clamp(1.5rem,1rem + 1.6vw,2.75rem);font-weight:300;line-height:1.1}.mk-h4{color:var(--mk-ink);font-size:1.125rem;font-weight:500;line-height:1.3}.mk-lead{color:var(--mk-ink-2);text-wrap:pretty;max-width:44rem;font-size:clamp(1.0625rem,1rem + .45vw,1.375rem);font-weight:400;line-height:1.5}.mk-body{color:var(--mk-ink-2);text-wrap:pretty;font-size:1rem;line-height:1.6}.mk-small{color:var(--mk-ink-3);font-size:.875rem;line-height:1.5}.mk-eyebrow{letter-spacing:.01em;color:var(--mk-ink-2);font-size:.8125rem;font-weight:500}.mk-num{font-variant-numeric:tabular-nums}.mk-accent{color:var(--mk-brand-text)}.mk-note{color:var(--mk-ink-3);font-size:.8125rem;line-height:1.5}.mk-btn{border-radius:var(--mk-r-btn);letter-spacing:-.005em;text-transform:none;white-space:nowrap;cursor:pointer;height:48px;transition:background-color var(--mk-dur-fast) var(--mk-ease), border-color var(--mk-dur-fast) var(--mk-ease), color var(--mk-dur-fast) var(--mk-ease), transform var(--mk-dur-fast) var(--mk-ease);border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding-inline:22px;font-size:.9375rem;font-weight:500;line-height:1;text-decoration:none;display:inline-flex;position:relative}.mk-btn:hover{transform:translateY(-1px)}.mk-btn:active{transform:translateY(0)}.mk-btn--sm{border-radius:9px;height:40px;padding-inline:16px;font-size:.875rem}.mk-btn--lg{height:56px;padding-inline:28px;font-size:1rem}.mk-btn--primary{background:var(--mk-brand);border-color:var(--mk-brand);color:var(--mk-on-brand)}.mk-btn--primary:hover{background:var(--mk-brand-hover);border-color:var(--mk-brand-hover)}.mk-btn--secondary{background:var(--mk-veil);border-color:var(--mk-line-strong);color:var(--mk-ink)}.mk-btn--secondary:hover{background:var(--mk-veil-2);border-color:var(--mk-ink-3)}.mk-btn--ghost{color:var(--mk-ink-2);background:0 0}.mk-btn--ghost:hover{color:var(--mk-ink);background:var(--mk-veil)}.mk-textcta{letter-spacing:.01em;text-transform:none;height:auto;color:var(--mk-ink-2);text-decoration:underline;-webkit-text-decoration-color:var(--mk-line-strong);text-decoration-color:var(--mk-line-strong);text-underline-offset:4px;background:0 0;border:0;border-radius:0;align-items:center;padding:2px 0;font-size:.8125rem;font-weight:500;display:inline-flex}.mk-textcta:hover{color:var(--mk-ink);background:0 0;text-decoration-color:currentColor}.mk-start-note{color:var(--mk-ink-3);gap:2px;margin-top:14px;font-size:.8125rem;line-height:1.5;display:grid}.mk-start-note strong{color:var(--mk-ink-2);font-weight:500}.mk-start-note .mk-textcta{margin-top:8px}.mk-btn__icon{width:16px;height:16px}.mk-header{z-index:40;height:var(--mk-header-h);color:var(--mk-ink);animation:mk-fade .9s var(--mk-ease) both;transition:height var(--mk-dur) var(--mk-ease), background-color var(--mk-dur) var(--mk-ease), border-color var(--mk-dur) var(--mk-ease);background:0 0;border-bottom:1px solid #0000;position:fixed;inset:0 0 auto}.mk-header.is-compact{height:var(--mk-header-h-compact);border-bottom-color:var(--mk-line);-webkit-backdrop-filter:blur(18px)saturate(140%);background:#000000b8}.mk--light .mk-header.is-compact{background:#ffffffc7}.mk-header__inner{align-items:center;gap:16px;height:100%;display:flex}.mk-header__brand{color:var(--mk-ink);letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.0625rem;font-weight:600;text-decoration:none;display:inline-flex}.mk-header__nav{display:none}.mk-header__nav a{height:36px;color:var(--mk-ink-2);transition:color var(--mk-dur-fast) var(--mk-ease), background-color var(--mk-dur-fast) var(--mk-ease);border-radius:8px;align-items:center;padding-inline:12px;font-size:.875rem;font-weight:500;text-decoration:none;display:inline-flex}.mk-header__nav a:hover{color:var(--mk-ink);background:var(--mk-veil-2)}.mk-header__actions{align-items:center;gap:8px;margin-left:auto;display:flex}.mk-header__desktop-only{display:none}.mk-header__menu{border:1px solid var(--mk-line-strong);background:var(--mk-veil);width:42px;height:42px;color:var(--mk-ink);cursor:pointer;transition:background-color var(--mk-dur-fast) var(--mk-ease);border-radius:9px;justify-content:center;align-items:center;display:inline-flex}.mk-header__menu:hover{background:var(--mk-veil-2)}.mk-header__menu svg{width:20px;height:20px}@media (min-width:1024px){.mk-header__nav{gap:2px;margin-inline:auto;display:flex}.mk-header__desktop-only{display:inline-flex}.mk-header__menu{display:none}}.mk-sheet{z-index:60;background:var(--mk-bg);color:var(--mk-ink);animation:mk-sheet-in var(--mk-dur) var(--mk-ease-out);flex-direction:column;display:flex;position:fixed;inset:0}.mk-sheet__head{height:var(--mk-header-h-compact);padding-inline:var(--mk-gutter);border-bottom:1px solid var(--mk-line);justify-content:space-between;align-items:center;display:flex}.mk-sheet__nav{padding:16px var(--mk-gutter);flex:1;overflow-y:auto}.mk-sheet__nav a{border-bottom:1px solid var(--mk-line);letter-spacing:-.02em;min-height:56px;color:var(--mk-ink);justify-content:space-between;align-items:center;padding-inline:4px;font-size:1.375rem;font-weight:300;text-decoration:none;display:flex}.mk-sheet__nav a svg{width:18px;height:18px;color:var(--mk-ink-3)}.mk-sheet__foot{padding:16px var(--mk-gutter) calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--mk-line);gap:10px;display:grid}.mk-sheet__foot .mk-btn{width:100%}.mk-sheet__foot .mk-textcta{justify-content:center;margin-top:2px}@keyframes mk-sheet-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes mk-fade{0%{opacity:0}to{opacity:1}}.mk-frame{border-radius:var(--mk-r-frame);border:1px solid var(--mk-frame-line);background:var(--mk-frame-bg);box-shadow:var(--mk-shadow-frame);position:relative;overflow:hidden}.mk-frame__bar{background:#ffffff06;border-bottom:1px solid #ffffff14;align-items:center;gap:6px;height:32px;padding-inline:14px;display:flex}.mk-frame__bar span{background:#ffffff24;border-radius:999px;width:8px;height:8px}.mk-frame__bar em{background:#ffffff0d;border-radius:5px;flex:0 240px;height:16px;margin-left:12px}.mk-frame__img{background:var(--mk-frame-bg);width:100%;position:relative;overflow:hidden}.mk-frame__img img{width:100%;height:auto;display:block}.mk-shot img{object-fit:cover;object-position:top left;height:100%}.mk-shot--zoom img{transform-origin:0 0;transform:scale(1.65)}@media (min-width:640px){.mk-shot--zoom img{transform:scale(1.25)}}@media (min-width:1024px){.mk-shot--zoom img{transform:none}}.mk-case{border-radius:var(--mk-r-card);border:1px solid var(--mk-line-strong);background:linear-gradient(180deg, var(--mk-card-2), var(--mk-card));box-shadow:var(--mk-shadow-card);color:var(--mk-ink);text-align:left;gap:12px;padding:16px 18px 18px;display:grid;position:relative}.mk-case__top{color:var(--mk-ink-3);font-variant-numeric:tabular-nums;justify-content:space-between;align-items:center;gap:10px;font-size:.75rem;display:flex}.mk-case__who{align-items:center;gap:12px;display:flex}.mk-case__avatar{background:var(--mk-brand-soft);width:32px;height:32px;color:var(--mk-brand-text);letter-spacing:.02em;border-radius:999px;flex:none;justify-content:center;align-items:center;font-size:.6875rem;font-weight:600;display:inline-flex}.mk-case__name{font-size:1rem;font-weight:500;line-height:1.2;display:block}.mk-case__company{color:var(--mk-ink-2);font-size:.8125rem;display:block}.mk-case__rows{border-top:1px solid var(--mk-line);gap:8px;margin:0;padding-top:12px;display:grid}.mk-case__rows div{justify-content:space-between;gap:12px;font-size:.8125rem;display:flex}.mk-case__rows dt{color:var(--mk-ink-3)}.mk-case__rows dd{color:var(--mk-ink);text-align:right;margin:0;font-weight:500}.mk-case__foot{border-top:1px solid var(--mk-line);color:var(--mk-ink-2);justify-content:flex-start;align-items:center;gap:10px;padding-top:12px;font-size:.8125rem;display:flex}.mk-case__status{border:1px solid var(--mk-line-strong);height:26px;color:var(--mk-ink);white-space:nowrap;text-overflow:ellipsis;border-radius:999px;align-items:center;gap:8px;max-width:100%;padding-inline:10px;font-size:.75rem;font-weight:500;display:inline-flex;overflow:hidden}.mk-case__status i{background:var(--tone,var(--mk-brand-text));border-radius:999px;flex:none;width:7px;height:7px}.mk-chip{border-radius:var(--mk-r-chip);border:1px solid var(--mk-line);background:var(--mk-veil);color:var(--mk-ink);text-align:left;align-items:center;gap:12px;padding:12px 14px;display:flex}.mk-chip svg{width:16px;height:16px;color:var(--mk-brand-text);flex:none}.mk-chip strong{font-size:.8125rem;font-weight:500;line-height:1.3;display:block}.mk-chip span{color:var(--mk-ink-2);font-size:.8125rem;line-height:1.3;display:block}.mk[data-motion] [data-reveal]{opacity:0;transition:opacity var(--mk-dur-slow) var(--mk-ease-out), transform var(--mk-dur-slow) var(--mk-ease-out);transition-delay:var(--reveal-delay,0s);transform:translateY(22px)}.mk[data-motion] [data-reveal].is-in{opacity:1;transform:none}.mk-page{padding-top:calc(var(--mk-header-h) + clamp(40px, 6vw, 88px));padding-bottom:clamp(64px,8vw,120px)}.mk-page__narrow{max-width:46rem}.mk-page__wide{max-width:58rem}.mk-card{border-radius:var(--mk-r-card);border:1px solid var(--mk-line);background:linear-gradient(180deg, var(--mk-card-2), var(--mk-card));position:relative;overflow:hidden}.mk-card--flat{background:var(--mk-card)}.mk-card__body{padding:26px 26px 28px}.mk-card .mk-body{margin-top:10px}.mk-prose section+section{margin-top:28px}.mk-prose h2{color:var(--mk-ink);font-size:1.125rem;font-weight:500}.mk-prose p{color:var(--mk-ink-2);margin-top:8px;font-size:.9375rem;line-height:1.65}.mk-prose a{color:var(--mk-ink);text-underline-offset:4px;text-decoration:underline;-webkit-text-decoration-color:var(--mk-line-strong);text-decoration-color:var(--mk-line-strong)}.mk-prose ul{margin-top:8px;padding-left:20px;list-style:outside}.mk-prose li{color:var(--mk-ink-2);margin-top:4px;font-size:.9375rem;line-height:1.65}.mk-prose strong{color:var(--mk-ink);font-weight:500}.mk-prose code{color:var(--mk-ink);overflow-wrap:anywhere;font-size:.875em}.mk-prose__scroll{margin-top:14px;overflow-x:auto}.mk-prose table{border-collapse:collapse;width:100%;min-width:34rem;color:var(--mk-ink-2);font-size:.875rem;line-height:1.55}.mk-prose th,.mk-prose td{text-align:left;vertical-align:top;border-bottom:1px solid var(--mk-line);padding:10px 14px 10px 0}.mk-prose th{color:var(--mk-ink);white-space:nowrap;font-weight:500}.mk-alert{border:1px solid var(--mk-danger);background:var(--mk-danger-soft);color:var(--mk-ink);border-radius:12px;gap:12px;padding:14px 16px;font-size:.875rem;line-height:1.5;display:flex}.mk-checks{gap:10px;display:grid}.mk-checks li{border:1px solid var(--mk-line);background:var(--mk-veil);min-height:52px;color:var(--mk-ink);border-radius:12px;align-items:center;gap:12px;padding:0 16px;font-size:.9375rem;display:flex}.mk-checks li svg{width:16px;height:16px;color:var(--mk-brand-text)}@media (min-width:640px){.mk-checks{grid-template-columns:repeat(2,1fr)}}.mk-hero{--hp:0;isolation:isolate;min-height:100svh;padding-top:calc(var(--mk-header-h) + clamp(24px, 5vh, 64px));text-align:center;flex-direction:column;align-items:center;display:flex;position:relative;overflow:hidden}.mk-hero__bg{z-index:-1;pointer-events:none;position:absolute;inset:0;overflow:hidden}.mk-hero__glow{width:min(1400px,140vw);height:min(900px,90vw);animation:mk-glow 22s var(--mk-ease) infinite alternate;will-change:transform;background:radial-gradient(closest-side,#4a76ad47,#4a76ad1a 40%,#4a76ad00 70%);margin:calc(min(900px,90vw)/-2) 0 0 calc(min(1400px,140vw)/-2);position:absolute;top:68%;left:50%}@keyframes mk-glow{0%{transform:translate(-3%,1%)scale(.96)}to{transform:translate(3%,-2%)scale(1.04)}}.mk-hero__orbits{opacity:.9;width:min(1800px,190vw);height:auto;position:absolute;top:58%;left:50%;transform:translate(-50%,-50%)}.mk-hero__orbit{fill:none;stroke:#ffffff12;stroke-width:1px;vector-effect:non-scaling-stroke}.mk-hero__orbit--2{stroke:#ffffff0d}.mk-hero__orbit--3{stroke:#8fb0d829;stroke-dasharray:2 10}.mk-hero__ring{transform-box:view-box;transform-origin:900px 450px}.mk-hero__ring--1{animation:120s linear infinite mk-orbit}.mk-hero__ring--2{animation:160s linear infinite reverse mk-orbit}.mk-hero__ring--3{animation:200s linear infinite mk-orbit}@keyframes mk-orbit{to{transform:rotate(360deg)}}.mk-hero__copy{z-index:1;max-width:1120px;transform:translateY(calc(var(--hp) * -36px));opacity:calc(1 - var(--hp) * .55);will-change:transform, opacity;justify-items:center;display:grid;position:relative}.mk-hero__eyebrow{animation:mk-up .8s var(--mk-ease-out) 80ms both}.mk-hero__title{margin-top:18px}.mk-hero__line{margin-bottom:-.08em;padding-bottom:.08em;display:block;overflow:hidden}.mk-hero__line>span{animation:mk-line 1.1s var(--mk-ease-out) both;animation-delay:var(--d,0s);display:block}@keyframes mk-line{0%{opacity:0;transform:translateY(105%)}to{opacity:1;transform:none}}.mk-hero__lead{text-align:center;max-width:46rem;animation:mk-up .8s var(--mk-ease-out) .56s both;margin-top:clamp(16px,2.4vh,26px)}.mk-hero__actions{animation:mk-up .8s var(--mk-ease-out) .68s both;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:clamp(20px,3vh,30px);display:flex}@keyframes mk-up{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.mk-hero__scene{z-index:1;width:min(var(--mk-max-wide), 100% - 2 * var(--mk-gutter));perspective:1600px;height:clamp(240px,26vw + 40px,460px);animation:mk-scene 1.3s var(--mk-ease-out) .76s both;margin-top:clamp(16px,3vh,40px);padding:40px 40px 0;position:relative;overflow:hidden}.mk-hero__frame{transform-origin:50% 0;transform:rotateX(calc(9deg * (1 - var(--hp)))) translateY(calc(26px * (1 - var(--hp)))) scale(calc(.965 + .035 * var(--hp)));will-change:transform}.mk-hero__scene:after{content:"";background:linear-gradient(180deg, #0000, var(--mk-bg));pointer-events:none;height:22%;position:absolute;inset:auto 0 0}@keyframes mk-scene{0%{transform:translateY(140px)}to{transform:none}}.mk-hero__hint{z-index:1;color:var(--mk-ink-3);animation:mk-up .8s var(--mk-ease-out) 1.4s both;align-items:center;gap:10px;margin:16px 0 24px;font-size:.75rem;display:inline-flex;position:relative}.mk-hero__hint:before{content:"";background:linear-gradient(180deg, var(--mk-ink-3), transparent);width:1px;height:22px;animation:mk-hint 2.4s var(--mk-ease) infinite}@keyframes mk-hint{0%,to{opacity:1;transform:translateY(0)}50%{opacity:.4;transform:translateY(6px)}}.mk-problem__track{--p:0;height:190vh;position:relative}.mk-problem__sticky{height:100dvh;padding-top:calc(var(--mk-header-h-compact) + clamp(20px, 4vh, 48px));flex-direction:column;justify-content:flex-start;display:flex;position:sticky;top:0}.mk-problem .mk-chapter__head .mk-lead{max-width:40rem}.mk-problem__scene{height:clamp(240px,38vh,440px);margin-top:clamp(12px,2vh,28px);position:relative}@media (max-height:820px) and (min-width:900px){.mk-problem .mk-h2{font-size:clamp(2rem,1rem + 3.2vw,4rem)}.mk-problem__scene{height:clamp(220px,32vh,360px)}}.mk-problem__chip{--dx:0px;--dy:0px;--rot:0deg;border-radius:var(--mk-r-chip);border:1px solid 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