:root{color-scheme:light dark;--bg:#f4f6f3;--ink:#17201a;--muted:#66756a;--surface:#fff;--soft:#e7eee7;--line:#d5dfd5;--green:#188553;--mint:#57f2a9;--onmint:#082718;--orange:#ab631e;--risk:#f8eddb;--shadow:#1f51331a;--phone:#f4f6f3;--font:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
@media(prefers-color-scheme:dark){:root{--bg:#0b0e11;--ink:#eff6f1;--muted:#92a198;--surface:#141b20;--soft:#172820;--line:#283a30;--green:#57f2a9;--orange:#f1af61;--risk:#302415;--shadow:#0008;--phone:#10161a}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}body.og{--font:var(--mono)}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:5px}button{border:0}p{color:var(--muted);line-height:1.65}h1,h2,h3,p{margin-top:0}.masthead{height:108px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 5%}.wordmark{font:700 22px var(--mono);letter-spacing:-1.2px;white-space:nowrap}.wordmark span{display:block;font:9px var(--mono);color:var(--muted);letter-spacing:2px;margin-top:7px}.view-control{display:flex;align-items:center;gap:18px}.micro,.eyebrow{font:10px var(--mono);letter-spacing:1.5px;color:var(--muted)}.segmented{padding:5px;border:1px solid var(--line);border-radius:100px;display:flex;gap:5px;background:var(--surface)}.segmented button{padding:13px 25px;border-radius:100px;font-size:14px;background:none;font-weight:600}.segmented button[aria-pressed=true]{background:var(--ink);color:var(--bg)}.nav-cta{font-size:13px;border-bottom:1px solid var(--green);padding:8px 0}.nav-cta span{margin-left:28px;color:var(--green)}main{max-width:1600px;margin:auto;padding:0 5%}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:45px;padding:60px 0 50px}.eyebrow{display:block}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:8px}.intro h1{font-size:clamp(44px,5.3vw,78px);font-weight:500;line-height:1.02;letter-spacing:-3.5px;margin:24px 0 0}.og .intro h1{font-size:clamp(36px,4.4vw,63px);letter-spacing:-3px}.intro-aside{max-width:330px;padding-bottom:7px}.intro-aside p{font-size:16px}.text-link{font-size:13px;display:flex;justify-content:space-between;max-width:180px;margin-top:28px}.text-link span{color:var(--green)}.tour{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.tour-top{display:flex;align-items:center;justify-content:space-between;padding:27px 0 10px}.tour-top h2{font-size:22px;font-weight:500;letter-spacing:-.5px;margin:10px 0}.tour-tip{font-size:12px;color:var(--muted)}.tour-layout{position:relative;display:grid;grid-template-columns:minmax(190px,1fr) minmax(320px,1.6fr) minmax(270px,1.1fr);gap:38px;align-items:center;padding:20px 0 25px;min-height:750px}.chapters{display:grid;gap:0;z-index:2}.chapter{background:none;text-align:left;padding:22px 14px 22px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:28px 1fr;column-gap:12px;opacity:.65}.chapter:last-child{border-bottom:1px solid var(--line)}.chapter.active{opacity:1}.chapter .chapter-num{font:11px var(--mono);color:var(--muted);padding-top:4px}.chapter.active .chapter-num{color:var(--green)}.chapter strong{font-size:17px;font-weight:500;line-height:1.35}.chapter small{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:7px;font-weight:400}.chapter.active strong{color:var(--green)}.device-column{display:flex;flex-direction:column;align-items:center;padding:0 18px;background:radial-gradient(ellipse at center,var(--shadow),transparent 68%)}.phone{width:300px;height:635px;flex-shrink:0;position:relative;border-radius:44px;border:6px solid var(--ink);outline:1px solid var(--line);background:var(--phone);box-shadow:0 28px 60px var(--shadow);overflow:visible;padding:0 13px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}.og .phone{font-family:var(--mono)}.statusbar{height:47px;display:flex;align-items:center;justify-content:space-between;font-size:11px;padding:0 8px}.statusbar i{height:22px;width:82px;border-radius:30px;background:var(--ink);position:absolute;top:10px;left:calc(50% - 41px)}.statusbar span{font-size:9px}.sim-label{display:flex;justify-content:space-between;font:7px var(--mono);color:var(--green);padding:4px 0 10px;letter-spacing:.5px}.sim-label span{color:var(--muted)}.screen{height:493px;overflow:hidden}.screen h3{font-size:22px;letter-spacing:-.7px;margin:8px 0 3px}.screen .sub{font-size:10px;margin:0 0 16px;line-height:1.4;color:var(--muted)}.screen .card{position:relative;border:1px solid var(--line);background:var(--surface);padding:13px;border-radius:16px;margin-bottom:10px}.screen .card.green{background:var(--soft)}.screen .card.risk{background:var(--risk);color:var(--orange)}.screen .card p{font-size:10px;line-height:1.55;margin:6px 0 0}.screen .kicker{font:8px var(--mono);color:var(--muted);letter-spacing:.5px;margin-bottom:9px}.screen .big{font-size:26px;letter-spacing:-1px;font-weight:700;line-height:1.2}.screen .positive{color:var(--green)}.screen .flex{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px}.screen .asset{font-size:14px;font-weight:700}.screen .pair{font-size:8px;color:var(--muted);margin:7px 0}.screen .row{position:relative;padding:10px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:10px}.screen .label{color:var(--muted)}.screen .pill{padding:5px 7px;background:var(--soft);border-radius:20px;font-size:8px;color:var(--green)}.screen .action{display:block;background:var(--mint);color:var(--onmint);font-size:10px;font-weight:700;text-align:center;border-radius:10px;padding:11px;margin-top:10px}.screen .tiles{display:grid;grid-template-columns:1fr 1fr;gap:8px}.screen .tiles .card{margin-bottom:0;padding:10px}.screen .tiles .big{font-size:20px}.screen .minititle{font-size:12px;font-weight:650;margin:15px 0 8px}.screen .chart{height:69px;display:flex;align-items:flex-end;gap:6px;padding-top:8px}.screen .chart i{display:block;flex:1;background:var(--green);border-radius:3px 3px 0 0;opacity:.6}.screen .chart i:last-child{opacity:1}.screen .spark{width:100%;height:65px;color:var(--green);display:block}.screen .notice{position:relative;font-size:9px;line-height:1.6;padding:10px;border-left:2px solid var(--orange);margin-top:12px;color:var(--muted)}.phone-nav{position:absolute;bottom:20px;left:10px;right:10px;padding:11px 5px;display:flex;justify-content:space-around;background:var(--surface);border:1px solid var(--line);border-radius:24px;font-size:8px;color:var(--muted)}.phone-nav .selected{color:var(--green);font-weight:700}.home-indicator{position:absolute;bottom:6px;left:calc(50% - 42px);width:84px;height:3px;border-radius:5px;background:var(--ink)}.hotspot{position:absolute!important;right:-12px;top:9px;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--surface);color:var(--green);border:1px solid var(--green);font:600 10px var(--mono);box-shadow:0 0 0 3px var(--phone);z-index:4;padding:0}.hotspot.active{background:var(--green);color:var(--bg);box-shadow:0 0 0 4px var(--phone),0 0 0 5px var(--green)}.explanation{position:relative;z-index:2;background:var(--bg);align-self:center;padding:8px 0}.annotation-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.tiny-controls{display:flex;gap:8px}.tiny-controls button{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:16px}.tiny-controls button:hover{border-color:var(--green);color:var(--green)}#explanation-body{min-height:225px;padding-top:28px}.annotation-number{width:34px;height:34px;border-radius:50%;background:var(--mint);color:var(--onmint);font:600 13px var(--mono);display:grid;place-items:center;margin-bottom:20px}#explanation-body h3{font-size:28px;font-weight:500;line-height:1.14;letter-spacing:-.8px;margin-bottom:16px}#explanation-body p{font-size:14px;line-height:1.8;max-width:330px}.dots{display:flex;gap:9px;padding:8px 0 25px}.dots button{width:24px;height:5px;background:var(--line);border-radius:6px;padding:0}.dots button.active{background:var(--green)}.chapter-note{padding-top:22px;border-top:1px solid var(--line)}.chapter-note span{font:9px var(--mono);letter-spacing:1px;color:var(--green)}.chapter-note p{font-size:12px;margin:10px 0;line-height:1.7}.connector{position:absolute;inset:0;pointer-events:none;width:100%;height:100%;color:var(--green);overflow:visible;z-index:1}.tour-bottom{padding:20px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;font:10px/1.7 var(--mono);color:var(--muted);gap:20px}.tour-bottom strong{font-weight:400;color:var(--green);display:block}.practice{padding:70px 0;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:50px}.practice h2,.beta h2{font-size:43px;font-weight:500;letter-spacing:-1.8px;line-height:1.08;margin:17px 0}.practice p,.round p{font-size:14px}.round{padding-top:10px}.round-number{font:42px var(--mono);color:var(--green);opacity:.65}.round h3{font-size:22px;font-weight:500;margin:22px 0 10px}.round .micro{display:block;margin-top:25px}.beta{padding:45px;background:var(--soft);border:1px solid var(--line);border-radius:28px;display:grid;grid-template-columns:1fr 1fr;gap:80px;scroll-margin-top:25px}.beta-copy>p{max-width:370px;font-size:14px}.future{display:flex;align-items:start;margin-top:35px}.future .status-dot{margin-top:8px;flex-shrink:0}.future p{font-size:11px}.future strong{color:var(--ink);font-weight:500}fieldset{border:0;margin:0 0 22px;padding:0}legend{font-size:16px;margin-bottom:15px}.choice{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);padding:14px;border-radius:12px;margin:8px 0;font-size:13px;cursor:pointer}.choice:has(input:checked){border-color:var(--green)}input[type=radio]{accent-color:var(--green)}.field-label{display:block;font-size:12px;margin-bottom:10px}input[type=email]{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:15px;color:var(--ink);font-size:14px}.primary{background:var(--mint);color:var(--onmint);width:100%;border-radius:12px;padding:16px 18px;margin-top:13px;display:flex;justify-content:space-between;font-weight:650;font-size:13px}.form-note{font:10px/1.6 var(--mono);margin:12px 0}.form-note,#form-result{color:var(--muted)}#form-result{font-size:13px;border-top:1px solid var(--line);padding-top:12px}.faq{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;padding:70px 0}.faq h2{font-weight:500;font-size:28px;letter-spacing:-.8px}details{border-top:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:14px}details p{font-size:13px;margin:15px 0 0}footer{padding:30px 5%;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}footer p{font-size:12px;margin:0}footer>span{font:9px var(--mono);color:var(--muted)}
@media(min-width:1500px){.tour-layout{gap:65px}.phone{transform:scale(1.05)}}
@media(max-width:1050px){.masthead{padding:0 4%}.view-control>.micro{display:none}main{padding:0 4%}.tour-layout{grid-template-columns:150px minmax(300px,1fr) minmax(220px,1fr);gap:20px}.chapter strong{font-size:14px}.chapter small{font-size:11px}.chapter{grid-template-columns:20px 1fr;gap:6px}.device-column{padding:0}.intro h1{font-size:57px}.intro-aside{max-width:270px}.beta{gap:35px;padding:30px}.practice{gap:25px}#explanation-body h3{font-size:25px}}
@media(max-width:800px){.masthead{height:auto;padding:20px 5%;flex-wrap:wrap}.wordmark{font-size:19px}.nav-cta{display:none}.segmented button{padding:11px 18px;font-size:12px}.intro{display:block;padding:36px 0}.intro h1,.og .intro h1{font-size:44px;letter-spacing:-2px}.intro-aside{max-width:440px;margin-top:24px}.intro-aside p{font-size:14px}.text-link{margin-top:18px}.tour-top{align-items:start;gap:15px}.tour-top h2{font-size:20px}.tour-tip{font-size:10px;max-width:90px;line-height:1.5}.tour-layout{display:grid;grid-template-columns:1fr;gap:20px;padding-top:8px}.chapters{display:flex;gap:8px;overflow-x:auto;padding:0 2px 12px}.chapter{display:block;padding:10px 13px;white-space:nowrap;border:1px solid var(--line)!important;border-radius:30px;flex-shrink:0}.chapter.active{background:var(--soft);border-color:var(--green)!important}.chapter .chapter-num{font-size:9px;margin-right:6px}.chapter strong{font-size:12px}.chapter small{display:none}.device-column{padding-top:20px}.explanation{padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:22px;max-width:520px;width:100%;justify-self:center}.connector{display:none}#explanation-body{min-height:0;padding-top:20px}#explanation-body p{max-width:none}.annotation-number{width:28px;height:28px;margin-bottom:15px}#explanation-body h3{font-size:25px}.dots{padding-bottom:20px}.tour-bottom{font-size:8px}.practice{grid-template-columns:1fr 1fr;gap:30px;padding:45px 0}.practice>div:first-child{grid-column:1/-1}.practice h2,.beta h2{font-size:37px}.round-number{font-size:30px}.round h3{font-size:19px}.round p{font-size:12px}.beta{grid-template-columns:1fr;padding:25px;gap:20px}.future{margin-top:20px}.faq{grid-template-columns:1fr;padding:45px 0;gap:10px}footer{flex-wrap:wrap}footer p{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Preserve original screenshots; crop only their black outer canvas in CSS. */
.phone.real-capture{width:320px;height:auto;aspect-ratio:664 / 1440;padding:0;border:0;outline:0;border-radius:44px;background:transparent;box-shadow:none}
.real-capture .screen{position:absolute;inset:0;height:100%;overflow:visible}
.screenshot-viewport{position:absolute;inset:0;overflow:hidden;border-radius:0;background:transparent;box-shadow:none}
.app-capture{position:absolute;width:138.554217%;max-width:none;height:auto;left:-19.277108%;top:-10.555556%;display:block}
.real-capture .hotspot{right:auto;transform:translate(-50%,-50%);width:25px;height:25px;box-shadow:0 0 0 3px var(--bg);font-size:10px}
.real-capture .hotspot.active{box-shadow:0 0 0 3px var(--bg),0 0 0 4px var(--green)}
@media(max-width:1050px){.phone.real-capture{width:300px}}
@media(max-width:360px){.phone.real-capture{width:280px}}

/* Breathing room between the phone and the tour divider. */
.tour-layout{padding-bottom:65px}
@media(max-width:800px){.tour-layout{padding-bottom:40px}.device-column{padding-bottom:20px}}

/* Quiet visual dots with a larger transparent hit area. */
.real-capture .hotspot{width:28px;height:28px;background:transparent;border:0;box-shadow:none;z-index:7}
.real-capture .hotspot.active{background:transparent;box-shadow:none}
.hotspot-dot{display:block;width:9px;height:9px;border-radius:50%;background:var(--dot-color);box-shadow:0 0 0 1.5px var(--dot-outline)}
.hotspot.active .hotspot-dot{width:11px;height:11px;box-shadow:0 0 0 2px var(--dot-outline),0 0 0 4px var(--dot-color)}
.hotspot:hover .hotspot-dot{transform:scale(1.15)}
.connector{z-index:6}

.form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.primary:disabled{opacity:.6;cursor:wait}

/* Shared navigation and educational pages; no external fonts or assets. */
[hidden]{display:none!important}.skip-link{position:absolute;left:20px;top:-100px;padding:14px;background:var(--surface);z-index:20}.skip-link:focus{top:12px}.site-nav{display:flex;gap:30px;padding:17px 5%;border-bottom:1px solid var(--line);font-size:12px;flex-wrap:wrap}.site-nav a{color:var(--muted);padding:5px 0}.site-nav a[aria-current=page]{color:var(--green);box-shadow:0 1px var(--green)}.site-nav a:hover,.inline-link:hover{color:var(--green)}.button-link{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;background:var(--mint);color:var(--onmint);padding:17px 21px;border-radius:12px;font-size:13px;font-weight:650;line-height:1.5}.inline-link{color:var(--green);text-decoration:underline;text-underline-offset:4px;font-size:14px;line-height:1.6}.intro-aside{max-width:400px}.intro h1{font-size:clamp(40px,5vw,72px)}.home-explainer{border-top:1px solid var(--line);padding:55px 0;display:grid;grid-template-columns:1fr 1.1fr;gap:70px}.home-explainer h2{font-size:clamp(30px,3.5vw,47px);font-weight:500;letter-spacing:-1.8px;line-height:1.1}.home-explainer p{font-size:15px;max-width:670px}.home-explainer strong,.lesson-content strong{color:var(--ink)}.home-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;padding:0 0 55px}.home-steps article{border-top:1px solid var(--line);padding-top:25px}.home-steps h3{font-weight:500;font-size:23px;letter-spacing:-.7px;margin:17px 0 12px}.home-steps p{font-size:14px;margin:0}.chapter-intro{font-size:15px;max-width:800px;line-height:1.8;margin:10px 0 25px}.reading-links{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:45px 0 0}.reading-links>a{border:1px solid var(--line);padding:30px;border-radius:20px;background:var(--surface)}.reading-links>a:hover{border-color:var(--green)}.reading-links h3{font-size:26px;font-weight:500;margin:18px 0 10px;letter-spacing:-.8px}.reading-links p{font-size:14px;margin:0;max-width:450px}.learn-page{max-width:1400px}.learn-hero{padding:65px 0 35px}.learn-hero h1{font-size:clamp(48px,7vw,92px);font-weight:500;letter-spacing:-4px;line-height:1.02;margin:24px 0}.learn-hero .lead{font-size:clamp(20px,2.2vw,28px);line-height:1.5;letter-spacing:-.5px}.hero-detail{max-width:720px}.jump-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:35px}.jump-links a{border:1px solid var(--line);border-radius:30px;padding:11px 16px;font-size:12px}.jump-links a:hover{background:var(--soft);border-color:var(--green)}.lesson{display:grid;grid-template-columns:.85fr 1.4fr;gap:75px;border-top:1px solid var(--line);padding:60px 0;scroll-margin-top:25px}.lesson-heading h2,.next-read h2,.risk-intro h2{font-size:clamp(28px,3vw,40px);font-weight:500;letter-spacing:-1.5px;line-height:1.13;margin:18px 0}.lesson-content{min-width:0}.lesson-content>p{font-size:16px}.concept-pair{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:25px 0 15px}.concept-pair article{padding:25px;background:var(--soft);border:1px solid var(--line);border-radius:18px;min-width:0}.concept-pair h3{font-size:28px;font-weight:500;margin:15px 0 10px;letter-spacing:-1px}.concept-pair p{font-size:14px;margin:0}.diagram-symbol{font:45px var(--mono);color:var(--green)}.caption,.lesson-content .caption{font-size:12px;line-height:1.7;color:var(--muted)}.interactive-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;margin:28px 0}.scenario-buttons{display:flex;gap:8px;flex-wrap:wrap}.scenario-buttons button{border:1px solid var(--line);background:var(--bg);padding:12px 16px;border-radius:25px;font-size:12px}.scenario-buttons button[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.funding-flow{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:12px;align-items:center;margin:30px 0;text-align:center}.funding-flow>div:not(.flow-middle){background:var(--soft);border-radius:15px;padding:25px 12px;border:1px solid var(--line)}.funding-flow strong{font:600 16px var(--mono)}.funding-flow span{display:block;color:var(--green);font-size:14px;margin-top:8px}.flow-middle #funding-arrow{font-size:55px;line-height:1}.flow-middle span:last-child{font-size:11px}.interactive-card>p:last-child{margin-bottom:0}.side-note{border-left:2px solid var(--green);padding:10px 0 10px 22px;margin:28px 0}.side-note h3{font-size:19px;font-weight:500}.side-note p{font-size:14px;margin-bottom:0}.interactive-card label{display:block;font-size:15px;line-height:1.6}.interactive-card output{font:600 18px var(--mono);color:var(--green);white-space:nowrap}input[type=range]{width:100%;margin:20px 0 5px;accent-color:var(--green);cursor:pointer}.range-labels{display:flex;justify-content:space-between;font:10px var(--mono);color:var(--muted)}.equation-total{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;gap:15px;font-size:15px}.equation-total strong{font:600 25px var(--mono)}.ledger-diagram{background:var(--surface);padding:12px 28px;border-radius:20px;border:1px solid var(--line);margin:25px 0}.ledger-diagram>div{display:flex;justify-content:space-between;gap:20px;padding:20px 0;align-items:center}.ledger-diagram small{color:var(--muted);display:inline-block;margin-top:7px;font:12px var(--mono)}.ledger-diagram strong{font:600 25px var(--mono);white-space:nowrap}.ledger-result{border-top:1px solid var(--line);color:var(--green)}.ledger-result strong{color:var(--green)}.cost-timeline{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:27px 0;margin:20px 0;border-block:1px solid var(--line)}.cost-timeline>div{display:grid;gap:12px}.cost-timeline span{font-size:12px;color:var(--muted)}.cost-timeline strong{font:600 27px var(--mono);color:var(--green)}.cost-timeline small{font-size:11px;color:var(--muted)}.reading-steps{padding-left:25px}.reading-steps li{padding:10px 0 15px 12px}.reading-steps li::marker{font-family:var(--mono);color:var(--green)}.reading-steps h3{font-size:20px;font-weight:500;margin:0 0 8px}.reading-steps p{font-size:15px;margin:0}.next-read{padding:40px;background:var(--soft);border:1px solid var(--line);border-radius:24px;display:flex;align-items:center;justify-content:space-between;gap:35px;margin:15px 0 65px}.next-read p{font-size:14px;margin-bottom:0}.source-note{font-size:11px!important;line-height:1.8}.source-note a{text-decoration:underline;text-underline-offset:3px}.risk-intro{display:flex;gap:35px;align-items:center;padding:30px;background:var(--soft);border-radius:20px;margin:0 0 45px}.risk-intro .diagram-symbol{white-space:nowrap;font-size:35px}.risk-intro h2{font-size:27px;margin:0 0 12px}.risk-intro p{font-size:15px;max-width:800px;margin:0}.risk-row{display:grid;grid-template-columns:1fr 1fr;gap:85px;padding:45px 0;border-top:1px solid var(--line);scroll-margin-top:25px}.risk-row h2{font-weight:500;font-size:30px;letter-spacing:-1px;line-height:1.2;max-width:460px;margin:18px 0}.risk-row p{font-size:15px}.risk-response{padding:22px 28px;background:var(--surface);border:1px solid var(--line);border-radius:18px}.risk-response h3{font:11px var(--mono);color:var(--green);text-transform:uppercase;letter-spacing:1px;margin:0 0 10px}.risk-response h3.risk-label{color:var(--orange);margin-top:25px}.risk-response p{font-size:14px;margin:0}.model-comparison{display:grid;gap:15px;margin:30px 0}.model-comparison article{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:25px}.model-comparison h3{font-size:20px;font-weight:500;margin-bottom:15px}.model-comparison ul{padding-left:20px;margin:0;color:var(--muted);font-size:14px;line-height:1.8}.model-comparison li+li{margin-top:8px}
@media(max-width:1050px){.lesson{gap:35px;grid-template-columns:.8fr 1.2fr}.risk-row{gap:35px}.intro{gap:30px}.intro-aside{max-width:350px}.intro h1{font-size:48px}.home-explainer{gap:35px}.cost-timeline strong{font-size:23px}}
@media(max-width:800px){.site-nav{gap:20px;padding:12px 5%;font-size:11px}.intro h1{font-size:44px}.intro-aside{max-width:560px}.home-explainer,.home-steps,.reading-links,.lesson,.risk-row{grid-template-columns:1fr;gap:25px}.home-explainer{padding:35px 0}.home-explainer h2 br{display:none}.home-explainer h2{max-width:450px;margin-bottom:0}.home-steps{padding-bottom:35px}.home-steps article{padding-top:20px}.reading-links{padding-top:30px;gap:15px}.reading-links>a{padding:25px}.learn-hero{padding:40px 0 30px}.learn-hero h1{letter-spacing:-2.5px}.lesson{padding:35px 0}.lesson-heading h2{margin-bottom:0}.lesson-content>p{font-size:15px}.interactive-card{padding:20px;border-radius:18px}.concept-pair article{padding:18px}.concept-pair h3{font-size:25px}.funding-flow{gap:7px}.funding-flow>div:not(.flow-middle){padding:20px 8px}.funding-flow strong{font-size:13px}.flow-middle span:last-child{font-size:10px}.cost-timeline{gap:7px}.cost-timeline strong{font-size:23px}.cost-timeline small{font-size:10px}.risk-intro{display:block;padding:25px}.risk-intro h2{margin-top:15px}.risk-row{padding:30px 0;gap:10px}.risk-row h2{font-size:27px}.next-read{display:block;padding:28px;margin-bottom:40px}.next-read .button-link{margin-top:25px}.chapter-intro{font-size:14px}.lesson-content{overflow-wrap:anywhere}.jump-links{gap:8px}.jump-links a{font-size:11px;padding:10px 13px}}

/* Delta-neutral balance and illustrative annual accumulation. */
.neutral-equation{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:20px;background:var(--surface);padding:28px 20px;margin:28px 0}.neutral-equation>div{display:grid;gap:13px;text-align:center}.neutral-equation span{font-size:12px;color:var(--muted)}.neutral-equation strong{font:500 37px var(--mono);color:var(--green)}.neutral-equation>b{font-size:23px;font-weight:400;color:var(--muted)}.year-illustration{margin:28px 0;padding:28px;border:1px solid var(--line);background:var(--surface);border-radius:24px}.year-illustration h3{font-size:25px;font-weight:500;letter-spacing:-.8px;margin:16px 0 10px}.year-illustration figcaption p{font-size:14px}.year-chart{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:9px;height:200px;border-bottom:1px solid var(--line);margin:30px 0 45px}.year-column{position:relative;display:flex;align-items:flex-end;height:100%;min-width:0}.year-bar{display:block;width:100%;min-height:3px;background:var(--green);border-radius:4px 4px 0 0}.year-bar.down-month{background:var(--orange)}.year-month{position:absolute;top:calc(100% + 10px);width:100%;text-align:center;font:10px var(--mono);color:var(--muted)}.year-results{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:20px}.year-results>div{display:grid;gap:12px}.year-results span{font-size:11px;line-height:1.5;color:var(--muted)}.year-results strong{font:500 28px var(--mono);color:var(--green)}.risk-mitigation{margin:25px -10px -4px;padding:20px;background:var(--soft);border:1px solid var(--line);border-radius:12px}.risk-mitigation .micro{display:block;font-size:9px;line-height:1.6;letter-spacing:1px;margin-bottom:12px}.risk-response .risk-mitigation h3{font:500 18px/1.3 var(--font);text-transform:none;letter-spacing:-.3px;color:var(--ink)}
@media(max-width:800px){.year-illustration{padding:20px}.year-chart{gap:5px;height:160px}.year-results{gap:10px}.year-results strong{font-size:23px}.neutral-equation{gap:8px;padding:22px 13px}.neutral-equation span{font-size:11px}.neutral-equation strong{font-size:30px}.risk-mitigation{margin-left:-8px;margin-right:-8px;padding:18px}}

.execution-map{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:24px 0;margin:20px 0;border-block:1px solid var(--line)}.execution-map span{background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:10px 14px;font-size:12px}.execution-map b{color:var(--green);font-weight:400}.execution-steps li{padding-bottom:25px}.execution-steps li>p+p{margin-top:14px}.transfer-proof{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0;counter-reset:transfer}.transfer-proof span{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:15px;font-size:12px;line-height:1.6}.transfer-proof span::before{counter-increment:transfer;content:counter(transfer) ' / ';font-family:var(--mono);color:var(--green)}.protection-levels{display:grid;gap:12px;margin:22px 0}.protection-levels article{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.protection-levels h4{font-size:17px;line-height:1.5;font-weight:500;margin:12px 0 8px}.protection-levels .micro{font-size:9px;line-height:1.6}.engine-note{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.engine-note .inline-link{display:inline-block;margin-top:14px;font-size:12px}@media(max-width:480px){.execution-map{gap:7px}.execution-map span{padding:8px 10px}.transfer-proof{grid-template-columns:1fr}}