@import "https://fonts.googleapis.com/css2?family=Geist+Mono:wght@400;500&family=Geist:wght@400;500;600&family=Inter:wght@400;500;600&display=swap";
@layer theme{:root,:host{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.static{position:static}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.grid{display:grid}.inline{display:inline}.table{display:table}}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--background:#0a0a0a;--paper:#000;--paper-muted:#070707;--surface:#0c0c0c;--surface-2:#141414;--ink:#f5f5f5;--muted:#a1a1aa;--dim:#71717a;--soft:#d4d4d8;--line:#ffffff1a;--line-strong:#ffffff2e;--hover:#ffffff0f;--chip:#ffffff0a;--button:#fff;--button-ink:#09090b;--button-hover:#e7e7e7;--header:#000000c7;--shadow:0 30px 80px #00000073;--sky:#9ec1e6;--pink:#ff5c39;--font-main:"Inter","Geist",ui-sans-serif,system-ui,sans-serif;--font-display:"Inter","Geist",ui-sans-serif,system-ui,sans-serif;--font-wordmark:"Inter","Geist",ui-sans-serif,system-ui,sans-serif;--font-code:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace}html[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--background:#fff;--paper:#fff;--paper-muted:#f6f6f7;--surface:#f6f6f7;--surface-2:#fff;--ink:#0a0a0a;--muted:#52525b;--dim:#71717a;--soft:#3f3f46;--line:#00000014;--line-strong:#00000029;--hover:#0000000a;--chip:#00000008;--button:#0a0a0a;--button-ink:#fff;--button-hover:#27272a;--header:#ffffffd6;--shadow:0 24px 70px #0000001f}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{background:var(--background);color:var(--ink);font-family:var(--font-main);-webkit-font-smoothing:antialiased;margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}::selection{background:var(--hover);color:var(--ink)}:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.container{width:min(100% - 64px,1120px);margin-inline:auto}.site-header{z-index:30;background:var(--background);border-bottom:1px solid var(--line);position:sticky;top:0}.header-inner{grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;width:min(100% - 48px,1440px);min-height:64px;display:grid}.brand{color:var(--ink);letter-spacing:-.03em;justify-self:start;align-items:center;gap:8px;font-size:16px;font-weight:600;display:inline-flex}html[data-theme=light] .brand-mark{filter:none}.brand-name{font-family:var(--font-wordmark);font-weight:600}.brand-mark{filter:brightness(0)invert();width:22px;height:22px;display:block}.brand-divider,.brand-context{display:none}.main-nav{align-items:center;gap:4px;display:flex}.main-nav a,.mobile-nav a{min-height:36px;color:var(--ink);letter-spacing:-.011em;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;padding:0 12px;font-size:14px;font-weight:500;transition:color .16s;display:inline-flex}.main-nav a:hover,.mobile-nav a:hover{color:var(--muted)}.main-nav a.nav-active,.mobile-nav a.nav-active{color:var(--ink)}.header-tools{justify-self:end;align-items:center;gap:8px;display:flex}.theme-toggle{width:32px;height:32px;color:var(--muted);background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;margin-right:4px;display:inline-flex}.theme-toggle:hover{color:var(--ink);background:0 0}.theme-toggle svg{display:block}.header-ghost{color:#f5f5f5;white-space:nowrap;background:#2a2a2a;border:0;border-radius:999px;justify-content:center;align-items:center;min-height:36px;padding:0 16px;font-size:14px;font-weight:500;display:inline-flex}.header-ghost:hover{background:#3a3a3a}html[data-theme=light] .header-ghost{color:#0a0a0a;background:#ececee}html[data-theme=light] .header-ghost:hover{background:#e2e2e5}.header-action{background:var(--button);min-height:36px;color:var(--button-ink);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:0 16px;font-size:14px;font-weight:600;transition:background .16s;display:inline-flex}.header-action:hover{background:var(--button-hover)}.mobile-nav{display:none}.button{letter-spacing:-.01em;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;min-height:44px;padding:10px 18px;font-size:14px;font-weight:600;transition:background .16s,border-color .16s,color .16s;display:inline-flex}.button-primary,.button-light{background:var(--button);color:var(--button-ink)}.button-primary:hover,.button-light:hover{background:var(--button-hover)}.button-outline{border-color:var(--line-strong);color:var(--ink);background:0 0}.button-outline:hover{background:var(--hover)}.eyebrow{color:var(--dim);letter-spacing:-.01em;margin:0 0 14px;font-size:13px;font-weight:500}.text-link{color:var(--ink);align-items:center;margin-top:16px;font-size:14px;font-weight:500;display:inline-flex}.text-link:hover{color:var(--muted)}.number{color:var(--dim);font-family:var(--font-code);font-size:12px}.section{padding:112px 0}.section-head h2,.page-head h1{font-family:var(--font-display);letter-spacing:-.045em;margin:0;font-size:clamp(36px,4.4vw,56px);font-weight:500;line-height:1.05}.section-head p:not(.eyebrow),.page-head>.container>p:not(.eyebrow){color:var(--muted);margin:16px 0 0;font-size:16px;line-height:1.6}.split-heading{grid-template-columns:minmax(0,1.1fr) minmax(0,.7fr);align-items:end;gap:64px;margin-bottom:56px;display:grid}.split-heading>p,.split-heading>div>p:not(.eyebrow){max-width:420px;margin:0}.hero{background:var(--background)}.hero-inner{padding-top:72px;padding-bottom:72px}.hero-copy{text-align:center;max-width:820px;margin-inline:auto}.event-line{border:1px solid var(--line);background:var(--chip);color:var(--ink);letter-spacing:-.01em;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:6px 12px 6px 10px;font-size:13px;font-weight:500;display:inline-flex}.event-badge{color:#fff;letter-spacing:0;background:#ff5c39;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:600}.accent{background-image:linear-gradient(#df5d90,#df5d90);background-position:0 .92em;background-repeat:no-repeat;background-size:100% 2px}.event-dates{color:var(--muted)}.event-dates:before{content:"·";color:#3f3f46;margin-right:8px}.hero h1{font-family:var(--font-display);letter-spacing:-.02em;color:var(--ink);margin:22px auto 16px;font-size:clamp(42px,5vw,60px);font-weight:500;line-height:1.05}.stage{grid-template-columns:.85fr 1.2fr .85fr;gap:12px;margin-top:56px;display:grid}.stage-card{color:#f4f4f5;background:#141414;border:1px solid #ffffff14;border-radius:18px;flex-direction:column;gap:12px;min-height:300px;padding:18px;display:flex}.stage-kicker{color:#a1a1aa;margin:0;font-size:13px}.bubble{background:#262626;border-radius:16px 16px 16px 4px;align-self:flex-start;max-width:95%;margin:0;padding:12px 14px;font-size:14px;line-height:1.45}.bubble-reply{color:#dbe7f5;background:#1a2836;border-radius:16px 16px 4px;align-self:flex-end}.stage-steps{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.stage-steps li{font-family:var(--font-code);background:#1c1c1c;border-radius:12px;padding:10px 12px;font-size:13px}.stage-steps li:nth-child(2){color:#bbf7d0;background:#1e2a22}.stage-outcome{color:#d4d4d8;margin:0;font-size:14px;line-height:1.5}.stage-more{color:#fff;margin-top:auto;font-size:13px;font-weight:500}.stage-more:hover{color:#d4d4d8}.stage-card-code{background:#0c0c0c;padding:0;overflow:hidden}.stage-card-code .code-window{border:0;border-radius:18px;height:100%;margin:0}.figure-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;display:grid}.figure-row strong{letter-spacing:-.04em;font-size:clamp(40px,5vw,64px);font-weight:500;line-height:1;display:block}.figure-row span{max-width:220px;color:var(--muted);margin-top:10px;font-size:14px;line-height:1.4;display:block}.figures{padding-bottom:20px}.hero-intro{max-width:560px;color:var(--muted);margin:0 auto;font-size:17px;line-height:1.55}.hero-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:28px;display:flex}.hero-context{color:var(--dim);margin:18px 0 0;font-size:13px}.hero-context a{color:var(--ink)}.hero-context a:hover{color:var(--muted)}.portal-desk{background:#1c1c1e;border:1px solid #ffffff14;border-radius:22px;width:min(1280px,100vw - 48px);height:min(78vh,760px);min-height:620px;margin-top:56px;margin-left:50%;scroll-margin-top:88px;overflow:hidden;transform:translate(-50%);box-shadow:0 28px 80px #00000073}.portal-desk iframe{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:#1c1c1e;border:0;width:100%;height:100%;display:block}.hero-visual{border:1px solid var(--line);background:var(--surface);border-radius:20px;max-width:1040px;margin:72px auto 0;overflow:hidden}.proof-header{min-height:48px;color:var(--dim);justify-content:space-between;align-items:center;gap:20px;padding:0 20px;font-size:12px;display:flex}.proof-chain{border:1px solid var(--line);font-family:var(--font-code);color:var(--muted);border-radius:999px;padding:3px 8px;font-size:11px}.proof-content{background:#ffffff14;grid-template-columns:1fr 1.15fr 1fr;gap:1px;display:grid}.proof-instruction,.proof-end,.proof-core{background:#0a0a0a;flex-direction:column;gap:12px;min-height:240px;padding:28px 24px;display:flex}.proof-core{background:#111}.proof-label{color:var(--dim);font-size:12px;font-weight:500}.proof-core .proof-label{color:#fff}.proof-instruction strong,.proof-core strong{letter-spacing:-.02em;max-width:320px;font-size:18px;font-weight:500;line-height:1.35}.proof-instruction small,.proof-end span:last-child{color:var(--muted);font-size:14px;line-height:1.5}.proof-tags{flex-wrap:wrap;gap:8px;margin-top:auto;display:flex}.proof-tags span{color:#d4d4d8;font-family:var(--font-code);background:#ffffff0f;border-radius:999px;padding:4px 8px;font-size:11px}.proof-caption{color:var(--dim);padding:14px 20px 16px;font-size:12px}.problem-section{background:var(--background)}.problem-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.problem-item{border:1px solid var(--line);background:var(--surface);border-radius:16px;min-height:220px;padding:24px}.problem-item h3{letter-spacing:-.03em;margin:28px 0 8px;font-size:20px;font-weight:500}.problem-item p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.benefit-list{grid-template-columns:1fr 1fr;gap:16px;display:grid}.benefit-row{border:1px solid var(--line);background:var(--surface);border-radius:16px;flex-direction:column;gap:10px;padding:24px;display:flex}.benefit-row h3{letter-spacing:-.03em;margin:8px 0 0;font-size:20px;font-weight:500}.benefit-row p{color:var(--muted);margin:0;font-size:14px;line-height:1.65}.model-section{background:var(--background)}.model-layout{border:1px solid var(--line);background:var(--surface);border-radius:20px;grid-template-columns:minmax(0,.9fr) minmax(0,1fr);align-items:center;gap:64px;padding:36px;display:grid}.model-copy h2{max-width:460px}.model-section .eyebrow,.model-section .section-head p:not(.eyebrow),.model-layer p,.model-flow-foot{color:var(--muted)}.model-note{font-size:14px!important}.model-copy .text-link{color:var(--ink)}.model-flow{flex-direction:column;gap:18px;display:flex}.model-layer{grid-template-columns:36px 1fr;gap:12px;display:grid}.model-layer-active{border:1px solid var(--line-strong);background:var(--paper);border-radius:14px;margin-inline:-14px;padding:14px}.model-index{color:var(--dim);font-family:var(--font-code);padding-top:4px;font-size:12px}.model-layer h3{letter-spacing:-.02em;margin:0 0 4px;font-size:16px;font-weight:500}.model-layer p{margin:0;font-size:14px;line-height:1.5}.model-flow-foot{font-size:13px}.ideas-section{background:var(--background)}.ideas-heading{max-width:680px;margin-bottom:40px}.rfb-list{flex-direction:column;gap:12px;display:flex}.rfb-row{border:1px solid var(--line);background:var(--surface);border-radius:16px;grid-template-columns:48px minmax(0,1.35fr) minmax(220px,.75fr);align-items:start;gap:18px 28px;padding:24px;transition:border-color .16s;display:grid}.rfb-row:hover{border-color:var(--line-strong)}.rfb-number{color:var(--dim);font-family:var(--font-code);padding-top:4px;font-size:12px}.rfb-body h3{letter-spacing:-.03em;margin:0 0 8px;font-size:clamp(22px,2vw,28px);font-weight:500;line-height:1.15}.rfb-body p{max-width:620px;color:var(--muted);margin:0;font-size:14px;line-height:1.6}.rfb-body .rfb-question{color:var(--ink);margin-bottom:8px}.rfb-aside{flex-direction:column;align-items:flex-start;gap:8px;min-width:0;display:flex}.rfb-aside a,.text-link{overflow-wrap:anywhere}.rfb-aside>span{color:var(--dim);font-size:12px}.rfb-aside strong{color:var(--ink);font-size:14px;font-weight:500;line-height:1.45}.rfb-source{color:var(--dim);margin:20px 0 0;font-size:13px}.rfb-source a{color:var(--ink)}.job-path,.owns-row{gap:12px;margin-top:28px;display:grid}.job-path{grid-template-columns:repeat(3,minmax(0,1fr))}.owns-row{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:12px}.job-path article,.owns-row article{border:1px solid var(--line);background:var(--surface);border-radius:16px;min-width:0;padding:18px}.job-path .number{color:var(--dim);font-family:var(--font-code);margin-bottom:10px;font-size:12px;display:block}.job-path h3,.owns-row h3{letter-spacing:-.02em;margin:0 0 8px;font-size:16px;font-weight:500}.job-path p,.owns-row p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.owns-row article:nth-child(3){border-color:var(--line-strong)}.job-more{margin-top:20px;display:inline-block}.judge-block{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:40px;display:grid}.judge-block h2{letter-spacing:-.04em;margin:0 0 12px;font-size:clamp(28px,3vw,40px);font-weight:500}.judge-block p{color:var(--muted);margin:0 0 12px;font-size:14px;line-height:1.6}.judge-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.judge-grid article{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:18px}.judge-grid strong{letter-spacing:-.04em;margin-bottom:8px;font-size:28px;font-weight:500;display:block}.judge-grid h3{margin:0 0 6px;font-size:15px;font-weight:500}.judge-grid p{margin:0}.recipes-section{background:var(--background)}.recipe-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.recipe-card{border:1px solid var(--line);background:var(--surface);border-radius:16px;flex-direction:column;justify-content:space-between;gap:48px;min-height:280px;padding:22px;transition:border-color .16s,background .16s;display:flex}.recipe-card:hover{border-color:var(--line-strong);background:var(--surface-2)}.recipe-card-top{color:var(--dim);font-size:12px;font-weight:500}.recipe-card-bottom{flex-direction:column;gap:10px;display:flex}.recipe-card-bottom strong{letter-spacing:-.03em;font-size:26px;font-weight:500;line-height:1.15}.recipe-card-bottom>span{color:var(--muted);font-size:14px;line-height:1.55}.recipe-card-bottom small{color:var(--dim);font-size:12px}.recipe-open{color:var(--ink);margin-top:8px;font-size:13px;font-weight:500}.next-step{border:1px solid var(--line);background:var(--surface);border-radius:16px;justify-content:space-between;align-items:center;gap:32px;margin-top:20px;padding:28px;display:flex}.next-step h3{font-family:var(--font-display);letter-spacing:-.04em;margin:0;font-size:28px;font-weight:500}.next-step p:last-child{max-width:460px;color:var(--muted);margin:8px 0 0;font-size:14px;line-height:1.55}.site-footer{background:var(--background);color:var(--ink);border-top:1px solid var(--line)}.footer-cta{justify-content:space-between;align-items:flex-end;gap:40px;padding-block:72px 28px;display:flex}.site-footer .eyebrow{color:var(--dim)}.footer-cta h2{font-family:var(--font-display);letter-spacing:-.045em;margin:0;font-size:clamp(32px,4vw,48px);font-weight:500}.footer-cta p:not(.eyebrow){max-width:460px;color:var(--muted);margin:12px 0 0;font-size:15px;line-height:1.55}.footer-columns{border-top:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 32px;padding:8px 0 36px;display:grid}.footer-columns h3{color:var(--dim);margin:0 0 10px;font-size:13px;font-weight:500}.footer-columns a{color:var(--muted);padding:6px 0;font-size:14px;display:block}.footer-columns a:hover{color:var(--ink)}.footer-bottom{color:var(--dim);justify-content:space-between;align-items:center;gap:20px;padding:0 0 28px;font-size:13px;display:flex}.subpage{min-height:70vh}.page-head{background:var(--background);padding:72px 0 28px}.page-head h1{max-width:820px}.back-link{color:var(--dim);margin:0 0 28px;font-size:13px;display:inline-flex}.back-link:hover{color:var(--ink)}.page-status{border:1px solid var(--line);color:var(--muted);border-radius:999px;margin-top:22px;padding:6px 10px;font-size:12px;font-weight:500;display:inline-flex}.page-content{background:var(--background);padding:28px 0 96px}.page-content h2{font-family:var(--font-display);letter-spacing:-.04em;color:var(--ink);margin:0 0 12px;font-size:clamp(32px,3vw,44px);font-weight:500;line-height:1.1}.page-content h3{letter-spacing:-.02em;color:var(--ink);margin:28px 0 8px;font-size:16px;font-weight:600}.page-content p,.reading-rail p,.note-panel p,.resource-panel p{color:var(--muted);line-height:1.65}.prereq-panel h2{font-size:32px}.prereq-panel ul,.resource-list{color:var(--muted);margin:12px 0 0;padding-left:18px;line-height:1.7}.prereq-panel li+li,.resource-list li+li{margin-top:8px}.content-grid{grid-template-columns:minmax(0,1fr) minmax(240px,.38fr);align-items:start;gap:40px;display:grid}.reading-rail{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:20px;position:sticky;top:96px}.reading-rail .eyebrow{margin-bottom:12px}.reading-rail p{margin:0 0 14px;font-size:14px}.reading-rail strong{color:var(--ink);font-weight:600}.reading-rail a{color:var(--ink);font-size:13px}.step-list{flex-direction:column;gap:28px;margin-top:36px;display:flex}.step-row{grid-template-columns:36px 1fr;gap:12px;display:grid}.step-row h3{margin:0 0 6px}.step-row p{margin:0}.step-row .number{padding-top:3px}.code-window{border:1px solid var(--line);background:#0a0a0a;border-radius:14px;margin:16px 0 0;overflow:hidden}.code-window-bar{min-height:40px;color:var(--dim);font-family:var(--font-code);align-items:center;gap:10px;padding:0 14px;font-size:12px;display:flex}.code-dots{gap:6px;display:inline-flex}.code-dots i{background:#2a2a2a;border-radius:50%;width:8px;height:8px}.code-dots i:first-child{background:#ff5f57}.code-dots i:nth-child(2){background:#febc2e}.code-dots i:nth-child(3){background:#28c840}.code-sample{color:#e4e4e7;font-family:var(--font-code);white-space:pre-wrap;background:0 0;margin:0;padding:4px 18px 18px;font-size:13px;line-height:1.7;overflow-x:auto}.tok-string{color:#86efac}.tok-comment{color:#71717a}.tok-flag{color:#7dd3fc}.tok-keyword{color:#f0abfc}.tok-command{color:#fff}.resource-panel{margin-top:36px}.resource-links{flex-wrap:wrap;gap:10px 16px;display:flex}.resource-links a,.ref-left a,.recipe-list-item a,.note-panel a{color:var(--ink);font-size:13px;font-weight:500}.resource-links a:hover,.ref-left a:hover,.recipe-list-item a:hover{color:var(--muted)}.note-panel{margin-top:28px}.note-panel h3{margin-bottom:6px}.note-panel p{margin:0;font-size:14px}.recipe-requirements{grid-template-columns:.8fr 1.2fr;gap:32px;padding:8px 0 12px;display:grid}.recipe-requirements ul{color:var(--muted);margin:0;padding-left:18px;line-height:1.7}.recipe-detail{margin:64px 0}.recipe-index{color:var(--dim);font-family:var(--font-code);padding-top:4px;font-size:12px}.ref-table{border:1px solid var(--line);background:var(--surface);border-radius:16px;flex-direction:column;margin:8px 0 20px;display:flex;overflow:hidden}.ref-row{grid-template-columns:minmax(180px,.7fr) minmax(0,1.5fr);gap:24px;padding:16px 18px;display:grid}.ref-row+.ref-row{border-top:1px solid var(--line)}.ref-left{color:var(--ink);font-family:var(--font-code);overflow-wrap:anywhere;font-size:12.5px;line-height:1.55}.ref-right{color:var(--muted);font-size:14px;line-height:1.55}.recipe-collection{flex-direction:column;gap:12px;display:flex}.recipe-list-item{border:1px solid var(--line);background:var(--surface);border-radius:16px;grid-template-columns:48px 1fr auto;align-items:center;gap:18px;padding:20px;display:grid}.recipe-list-item h2{margin:0 0 6px;font-size:26px}.recipe-list-item p{max-width:560px;margin:0;font-size:14px}.recipe-list-item small{color:var(--dim);margin-top:8px;font-size:12px;display:block}.example-list{grid-template-columns:1fr 1fr;gap:12px;display:grid}.example-row{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:22px}.example-row h3{letter-spacing:-.02em;margin:0 0 8px;font-size:18px;font-weight:500}.example-row p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.prompt-builder{border:1px solid var(--line);background:var(--surface);border-radius:16px;margin-top:16px;padding:16px}.prompt-builder-title{letter-spacing:-.01em;font-weight:500;color:var(--ink)!important;margin:0 0 14px!important;font-size:13px!important}.prompt-fields{grid-template-columns:2.2fr 1fr;gap:10px;display:grid}.prompt-fields label{color:var(--dim);flex-direction:column;gap:8px;font-size:12px;display:flex}.prompt-fields input{border:1px solid var(--line);background:var(--background);width:100%;min-width:0;color:var(--ink);font-family:var(--font-code);border-radius:10px;padding:11px 12px;font-size:13px}.prompt-fields input:focus{border-color:var(--ink);outline:none}.prompt-builder .code-window{margin-top:12px}.prompt-error{font-size:12px;color:#fca5a5!important;margin:10px 0 0!important}.copy-button{border:1px solid var(--line);color:var(--ink);background:0 0;border-radius:999px;margin-top:12px;padding:8px 12px;font-size:13px;font-weight:500}.copy-button:hover{background:var(--hover)}.copy-button:disabled{cursor:not-allowed;opacity:.4}@media (max-width:980px){.header-inner{display:flex}.main-nav{display:none}.mobile-nav{flex-wrap:wrap;gap:4px;padding-bottom:12px;display:flex}.model-layout,.recipe-requirements,.content-grid{grid-template-columns:1fr}.rfb-row{grid-template-columns:40px minmax(0,1fr)}.rfb-aside{grid-column:2}.benefit-list,.example-list,.stage,.figure-row,.judge-block,.judge-grid,.job-path,.owns-row{grid-template-columns:minmax(0,1fr)}}@media (max-width:700px){.container{width:min(100% - 32px,1120px)}.header-inner{min-height:60px;display:flex}.main-nav{display:none}.mobile-nav{flex-wrap:wrap;gap:4px;padding-bottom:12px;display:flex}.hero-inner{padding-top:56px;padding-bottom:64px}.hero h1{font-size:clamp(40px,12vw,56px)}.hero-actions{flex-direction:column;align-items:stretch}.portal-desk{border-radius:20px;width:min(100% - 32px,1280px);height:72vh;min-height:480px}.hero-visual{margin-top:40px}.proof-content{grid-template-columns:1fr}.proof-instruction,.proof-end,.proof-core{min-height:0}.section{padding:72px 0}.split-heading{grid-template-columns:1fr;gap:16px}.problem-grid{grid-template-columns:1fr}.problem-item{min-height:0}.rfb-row,.recipe-list-item{grid-template-columns:1fr}.rfb-aside{grid-column:auto}.recipe-grid{grid-template-columns:1fr}.next-step,.footer-cta,.footer-bottom{flex-direction:column;align-items:flex-start}.footer-columns{grid-template-columns:1fr 1fr}.reading-rail{position:static}.ref-row{grid-template-columns:1fr;gap:6px}.prompt-fields{grid-template-columns:1fr}}@media (max-width:420px){.brand-context,.header-ghost{display:none}.header-action{padding-inline:12px}.portal-desk{min-height:420px}.hero h1{font-size:36px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}