@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;600;650;700&family=DM+Serif+Display:ital@0;1&display=swap');
:root{--paper:#f5f2e9;--ink:#252b26;--muted:#60685f;--line:#d7d9ce;--accent:#d7e55b;--white:#fffef9;--serif:'DM Serif Display',Georgia,serif;--sans:'DM Sans',system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--sans)}a{color:inherit}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed;opacity:.55}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #66814e;outline-offset:5px}.wrap{width:min(1220px,calc(100% - 100px));margin:auto}.preview-note{background:#e9e2cb;font-size:12px;text-align:center;padding:8px 15px;letter-spacing:.02em}.skip{position:absolute;top:-100px;background:var(--accent);padding:10px;z-index:99}.skip:focus{top:0}header{display:flex;align-items:center;justify-content:space-between;height:118px;border-bottom:1px solid var(--line)}.wordmark{text-decoration:none;font-size:20px;font-weight:650;line-height:1.3}.wordmark span{display:block;font-weight:400;font-size:12px;color:var(--muted);margin-top:5px}nav{display:flex;gap:36px;font-size:14px}nav a{text-decoration:none}nav a:last-child{border-bottom:1px solid var(--ink)}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:50px;padding-top:84px;padding-bottom:85px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.17em;font-weight:650;margin:0 0 22px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.035em;line-height:1.04}h1{font-size:clamp(54px,5.65vw,80px);margin:0 0 28px}h2{font-size:clamp(38px,4.3vw,59px);margin-bottom:24px}h3{font-size:20px;letter-spacing:-.03em;line-height:1.25;margin-bottom:12px}em{font-weight:400}.lede{font-size:19px;line-height:1.65;max-width:510px;color:#4d564d}.actions{display:flex;gap:24px;align-items:center;margin-top:33px}.button{background:var(--ink);color:var(--white);border:0;display:inline-flex;gap:30px;align-items:center;justify-content:space-between;text-decoration:none;padding:17px 24px;font-size:14px;font-weight:600;border-radius:2px;cursor:pointer;transition:background .2s,transform .2s}.button:hover:not(:disabled){background:#3c483b;transform:translateY(-1px)}.text-link{font-size:14px;text-underline-offset:5px}.fine{font-size:12px;line-height:1.65;color:var(--muted)}.hero-fine{margin:16px 0 0}.workbench{min-height:550px;position:relative;background:#e5e7dc;background-image:linear-gradient(#d7dbce50 1px,transparent 1px),linear-gradient(90deg,#d7dbce50 1px,transparent 1px);background-size:28px 28px;display:flex;align-items:center;justify-content:center;padding:42px 35px 60px}.small-label{position:absolute;top:19px;left:24px;font:9px var(--sans);letter-spacing:.16em;color:var(--muted)}.book{background:var(--ink);color:var(--paper);width:81%;min-height:435px;padding:25px 25px 22px;transform:rotate(-5deg);box-shadow:12px 18px 30px #252b262e,-4px 0 0 #68705e;position:relative}.book:before{content:'';position:absolute;left:9px;top:0;bottom:0;border-left:1px solid #ffffff1f}.book-top{font-size:8px;letter-spacing:.14em;display:flex;justify-content:space-between;border-bottom:1px solid #ffffff40;padding-bottom:18px}.book-top span{font-size:7px}.book-title{font-family:var(--serif);font-size:61px;line-height:.98;letter-spacing:-.04em;margin:30px 0}.book-title em{color:var(--accent)}.book-lines{font-size:10px;line-height:1.6;display:flex;flex-direction:column}.book-footer{font-size:8px;letter-spacing:.08em;display:flex;justify-content:space-between;margin-top:24px;border-top:1px solid #ffffff40;padding-top:14px}.worksheet{position:absolute;right:-14px;bottom:22px;background:#fffef8;padding:20px 22px;transform:rotate(5deg);box-shadow:0 12px 20px #252b2620;width:270px;font-size:12px}.worksheet p{font-size:9px;letter-spacing:.12em;margin-bottom:10px}.worksheet div{border-bottom:1px solid var(--line);padding:9px 0}.worksheet b{margin-right:12px;color:#939b88;font-size:10px}.pencil{display:block;font:italic 17px var(--serif);margin-top:12px;color:#587149}.chapter-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.chapter-strip .wrap{display:flex;justify-content:space-between;gap:20px;padding-top:21px;padding-bottom:21px;font-size:10px;letter-spacing:.07em;color:var(--muted)}.chapter-strip b{margin-left:12px;font-size:13px;color:var(--ink);font-weight:500;letter-spacing:0}.loop{font-size:12px;letter-spacing:0}.section{padding-top:96px;padding-bottom:96px}.intro{display:grid;grid-template-columns:1fr 1.2fr;column-gap:80px}.intro>.eyebrow{grid-column:1/-1}.intro>div{max-width:560px}.large-copy{font-size:24px;line-height:1.4;letter-spacing:-.02em}.signature{font-family:var(--serif);font-style:italic;font-size:32px;margin:20px 0 0}.product-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;gap:35px;align-items:center}.section-deck{color:var(--muted);margin-bottom:0}.price strong{font-family:var(--serif);font-weight:400;font-size:62px;letter-spacing:-.05em;line-height:1.1;display:block}.price span{font-size:12px;color:var(--muted)}.curriculum{display:grid;grid-template-columns:1fr 1fr;gap:0 60px;margin:48px 0 36px}.chapter{display:flex;gap:23px;border-top:1px solid var(--line);padding:27px 0 12px}.chapter>span{font:italic 27px var(--serif);color:#7a856a}.chapter p{font-size:15px;color:var(--muted)}.included{display:grid;grid-template-columns:.65fr 1.6fr 1.2fr;gap:30px;border-top:1px solid var(--line);padding-top:30px;align-items:start}.included .eyebrow{padding-top:5px}.included ul{columns:2;column-gap:28px;margin:0;padding-left:17px;font-size:13px;line-height:1.6}.included li{break-inside:avoid;padding-bottom:10px}.included .button{width:100%}.included .fine{margin:13px 0 0}.sample{display:grid;grid-template-columns:1fr 1.15fr;gap:95px;align-items:center}.sample>div>p:not(.eyebrow):not(.fine){color:var(--muted)}.prompt-demo{border:1px solid #c6cbba;box-shadow:9px 9px 0 #e3e5d9;background:#fffef9}.tabs{display:flex;background:#e9ecdf;border-bottom:1px solid #c6cbba;padding:0 17px}.tabs button{border:0;background:none;font-size:12px;padding:16px 12px;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent}.tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--ink)}.prompt-body{padding:28px}.prompt-body[hidden]{display:none}.mono{font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace}.annotation{border-top:1px solid var(--line);padding-top:16px;font-size:12px;color:var(--muted);margin-bottom:15px}.copy{border:1px solid var(--line);background:var(--paper);font-size:12px;padding:8px 12px;cursor:pointer}#copy-status{font-size:12px;margin-left:10px}.fit{border-top:1px solid var(--line);padding-top:70px}.fit-columns{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:35px}.fit ul{padding-left:20px;color:var(--muted);font-size:15px}.fit li{padding-bottom:10px}.call-section{background:var(--ink);color:var(--paper)}.call-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:110px;align-items:center}.call-section em{color:var(--accent)}.call-section .lede{color:#d7dbd0}.call-section .eyebrow{color:var(--accent)}.call-section p:not(.eyebrow):not(.lede):not(.fine){font-size:14px;color:#c7cfc2;max-width:430px}.call-meta{display:flex;gap:12px;margin:30px 0 18px}.call-meta span{border:1px solid #66715d;border-radius:30px;padding:7px 13px;font-size:11px}.call-card{background:#f1f0e7;color:var(--ink);padding:38px}.call-card .eyebrow{color:var(--muted)}.call-card .price{display:flex;align-items:baseline;gap:15px}.call-card ol{list-style:none;counter-reset:steps;padding:0;margin:30px 0}.call-card li{counter-increment:steps;position:relative;padding-left:28px;margin-bottom:23px;font-size:13px}.call-card li:before{content:'0' counter(steps);position:absolute;left:0;top:0;color:#77816d;font-size:10px}.call-card b,.call-card li span{display:block}.call-card li span{color:var(--muted);margin-top:5px}.call-card .button{width:100%}.call-card .fine{margin:16px 0 0}.routing{display:flex;gap:25px;align-items:center;padding-top:35px;padding-bottom:35px;border-bottom:1px solid var(--line)}.routing-marker{font-size:32px;background:var(--accent);width:55px;height:55px;flex-shrink:0;text-align:center;border-radius:100%}.routing h3{font-size:16px;margin-bottom:6px}.routing p{font-size:13px;color:var(--muted);max-width:730px;margin:0}.routing .text-link{margin-left:auto;white-space:nowrap}.faq{display:grid;grid-template-columns:1fr 1.25fr;gap:75px}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq details:first-child{border-top:1px solid var(--line)}summary{font-size:15px;font-weight:500;cursor:pointer;list-style:none;position:relative;padding-right:25px}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:0}details[open] summary:after{content:'−'}.faq details p{font-size:14px;color:var(--muted);margin:14px 0 0}.final-cta{text-align:center;padding:30px 0 90px}.final-cta h2{font-size:58px}.final-cta .button{margin-top:10px}footer{border-top:1px solid var(--line);padding-top:34px;padding-bottom:40px;display:flex;justify-content:space-between;gap:25px;font-size:12px}footer strong{font-size:15px}footer p{color:var(--muted);margin:5px 0 0}footer>div:last-child{display:flex;gap:25px;align-items:center}footer span{color:var(--muted)}
@media(min-width:1500px){.hero{gap:90px}}@media(max-width:1000px){.wrap{width:calc(100% - 60px)}.hero{gap:28px}h1{font-size:60px}.actions{gap:17px;flex-wrap:wrap}.workbench{min-height:510px;padding:40px 22px 90px}.book{width:94%}.book-title{font-size:53px}.worksheet{width:235px;right:-8px}.intro{gap:35px}.included{grid-template-columns:1fr 2fr}.included>div{grid-column:2}.sample{gap:45px}.call-layout{gap:45px}.call-card{padding:28px}.routing .text-link{white-space:normal;min-width:120px}.faq{gap:40px}footer>div:last-child{gap:15px}}
@media(max-width:700px){body{font-size:16px}.wrap{width:calc(100% - 40px)}header{height:92px}.wordmark{font-size:18px}nav{gap:16px;font-size:12px}nav a:last-child{max-width:125px}.preview-note{font-size:10px;padding:7px 18px}.hero{display:block;padding-top:49px;padding-bottom:50px}.hero-copy{max-width:550px}h1{font-size:60px}.lede{font-size:17px}.hero .actions{gap:20px}.workbench{margin-top:42px;min-height:520px;padding:40px 40px 75px}.book{max-width:330px}.book-title{font-size:62px}.worksheet{right:-3px;bottom:17px;width:245px}.chapter-strip .wrap{gap:8px;padding-top:17px;padding-bottom:17px;flex-wrap:wrap;justify-content:space-between}.chapter-strip b{margin-left:5px;font-size:11px}.loop{display:none}.section{padding-top:60px;padding-bottom:60px}.intro{display:block}.intro h2{margin-bottom:30px}h2{font-size:44px}.section-heading{display:block}.section-heading .price{margin-top:25px}.section-heading .price strong{display:inline-block;margin-right:15px;font-size:52px}.curriculum{grid-template-columns:1fr;margin-top:30px}.chapter{gap:18px;padding-top:24px}.included{grid-template-columns:1fr;gap:18px}.included>div{grid-column:auto}.included ul{columns:1}.included .eyebrow{margin-bottom:0}.sample{display:block}.prompt-demo{margin-top:30px}.prompt-body{padding:22px}.fit-columns{grid-template-columns:1fr;gap:20px}.call-layout{display:block}.call-card{margin-top:35px;padding:27px}.call-card .price strong{font-size:54px}.routing{align-items:flex-start;flex-wrap:wrap;gap:15px}.routing-marker{width:38px;height:38px;font-size:25px}.routing>div:nth-child(2){width:calc(100% - 55px)}.routing .text-link{margin-left:53px}.faq{display:block}.faq>div:first-child{margin-bottom:35px}.final-cta{padding:20px 0 60px}.final-cta h2{font-size:42px}footer{display:block}footer>div:last-child{margin-top:25px;flex-wrap:wrap}footer span{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

/* The author behind the handbook. */
.author-byline{display:inline-flex;align-items:center;gap:13px;margin-top:26px;text-decoration:none;font-size:13px;line-height:1.5}.author-byline img{width:48px;height:48px;border-radius:50%;object-fit:cover;object-position:center 30%;border:1px solid var(--line)}.author-byline strong{font-weight:600}.author-byline span span{display:block;font-size:12px;color:var(--muted)}.intro{grid-template-columns:.9fr 1.1fr;align-items:center;gap:85px}.author-portrait{margin:0;position:relative;background:#e5e7dc;padding:12px 12px 0;transform:rotate(-2deg)}.author-portrait img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:center 30%}.author-portrait figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 7px 18px;font-size:12px;line-height:1.4}.author-portrait figcaption strong{font-weight:600}.author-portrait figcaption span{color:var(--muted);font-size:11px}.intro-copy h2{font-size:clamp(38px,4vw,56px)}
@media(max-width:1000px){.intro{gap:45px}.author-portrait figcaption{display:block}.author-portrait figcaption span{display:block;margin-top:3px}}
@media(max-width:700px){.intro{display:flex;flex-direction:column;gap:36px;align-items:stretch}.author-portrait{width:100%;max-width:430px;align-self:center;transform:rotate(-1deg)}.author-portrait img{aspect-ratio:5/4;object-position:center 30%}.author-portrait figcaption{display:flex}.author-portrait figcaption span{margin-top:0}.intro-copy h2{font-size:44px}.intro-copy h2{margin-bottom:24px}}

.author-byline .author-avatar{position:relative;display:block;width:48px;height:48px;border-radius:50%;overflow:hidden;flex-shrink:0;border:1px solid var(--line)}.author-byline .author-avatar img{position:absolute;width:110px;height:auto;max-width:none;left:-35px;top:-39px;border:0;border-radius:0;object-fit:initial}

/* Optional, consent-based measurement and low-pressure feedback. */
.analytics-notice{position:fixed;z-index:100;bottom:18px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));padding:20px 24px;background:var(--white);border:1px solid var(--line);box-shadow:0 8px 40px #252b2630;font-size:13px;line-height:1.5}.analytics-notice[hidden]{display:none}.analytics-notice p{margin:0 0 13px}.analytics-notice strong{display:block;margin-bottom:4px}.analytics-notice>div{display:flex;gap:12px}.analytics-notice .button{padding:10px 16px;font-size:12px}.button.secondary{color:var(--ink);background:var(--paper);border:1px solid var(--ink)}.footer-choice{padding:0;border:0;background:none;color:inherit;font:inherit;text-decoration:underline;cursor:pointer;text-underline-offset:3px}.feedback-panel{max-width:800px;padding:0 0 60px}.feedback-panel details{border-top:1px solid var(--line);padding-top:22px}.feedback-panel form{margin-top:24px}.feedback-panel fieldset{padding:0;border:0;display:grid;gap:12px;margin-bottom:18px}.feedback-panel legend{font-size:16px;font-weight:600;margin-bottom:16px}.feedback-panel legend span{font-weight:400;color:var(--muted);font-size:12px}.feedback-panel label{display:flex;align-items:center;gap:10px;font-size:14px;cursor:pointer}.feedback-panel input{accent-color:var(--ink);width:18px;height:18px}.feedback-panel .button{padding:12px 20px}.feedback-panel #feedback-status{margin-top:14px}.feedback-panel input:focus-visible{outline:2px solid #66814e;outline-offset:3px}footer>div:last-child{flex-wrap:wrap;justify-content:flex-end}@media(max-width:700px){.analytics-notice{bottom:10px;padding:17px}.analytics-notice>div{flex-wrap:wrap}footer>div:last-child{justify-content:flex-start}}