:root{
  --black:#0c0d0c;--graphite:#171916;--paper:#f1efe6;--white:#fbfaf5;--lime:#d9ff43;
  --blue:#2b5cff;--orange:#ff6b35;--muted:#a7aba1;--ink:#11130f;--line:rgba(255,255,255,.16);
  --fast:120ms;--standard:220ms;--slow:440ms
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;background:var(--black)}
body{margin:0;background:var(--black);color:var(--white);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.55;overflow-x:hidden}
a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
*{scrollbar-width:thin;scrollbar-color:var(--lime) var(--graphite)}::selection{background:var(--lime);color:var(--ink)}

header{position:sticky;top:0;z-index:30;max-width:none;height:82px;margin:0;padding:0 max(22px,calc((100vw - 1440px)/2));display:flex;justify-content:space-between;align-items:center;gap:32px;background:rgba(12,13,12,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{font-size:18px;font-weight:900;letter-spacing:.02em}.brand>span:not(.brand-sub){color:var(--lime)}.brand-sub{display:block;margin-top:3px;color:var(--muted);font-size:9px;font-weight:600;letter-spacing:.17em}
nav{display:flex;align-items:center;gap:27px;font-size:12px;text-transform:uppercase;letter-spacing:.06em}nav a{padding:28px 0;border-bottom:2px solid transparent}nav a:hover{border-color:var(--lime)}nav a:last-child{background:var(--lime);color:var(--ink);border:0;padding:11px 15px;font-weight:800}
main{max-width:none;margin:0}

.intro{position:relative;min-height:calc(100svh - 82px);margin:0;padding:clamp(62px,8vw,120px) max(24px,calc((100vw - 1440px)/2));display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);align-items:center;gap:6vw;overflow:hidden;border-bottom:1px solid var(--line)}
.intro:before{content:"AI";position:absolute;right:-.08em;bottom:-.28em;color:rgba(255,255,255,.035);font:bold min(48vw,720px)/1 Arial,sans-serif;letter-spacing:-.12em;pointer-events:none}
.eyebrow{margin:0 0 20px;color:var(--lime);font-size:11px;font-weight:800;line-height:1.2;letter-spacing:.15em;text-transform:uppercase}
.intro h1{max-width:900px;margin:0 0 25px;font-size:clamp(68px,9vw,144px);font-weight:800;line-height:.79;letter-spacing:-.08em;text-transform:uppercase}.intro h1 em{display:inline-block;color:var(--lime);font:400 .82em/.86 Georgia,serif;text-transform:none;letter-spacing:-.07em}
.intro p:not(.eyebrow){max-width:590px;margin:0;color:#c7cac1;font-size:clamp(18px,1.5vw,23px)}
.intro-link{display:inline-flex;margin-top:32px;padding:15px 18px;background:var(--blue);color:white;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;transition:transform var(--fast),background var(--fast)}.intro-link:hover{transform:translateY(-3px);background:var(--lime);color:var(--ink)}
.intro-art{position:relative;width:100%;height:min(67vh,650px);min-height:480px}.intro-art:after{content:"TASK → FLOW → RESULT";position:absolute;right:0;bottom:0;background:var(--lime);color:var(--ink);padding:17px 20px;font-size:12px;font-weight:900;letter-spacing:.08em}
.intro-art img{position:absolute;inset:0;width:82%;height:92%;object-fit:cover;object-position:top;filter:saturate(.15) contrast(1.12);border:1px solid rgba(255,255,255,.2);transform:rotate(2deg);box-shadow:28px 35px 0 var(--blue);transition:filter var(--slow),transform var(--slow)}.intro:hover .intro-art img{filter:saturate(.7) contrast(1.05);transform:rotate(0)}

.task-library{padding:clamp(80px,9vw,130px) max(24px,calc((100vw - 1440px)/2));background:var(--paper);color:var(--ink)}
.section-top{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}.section-top h2{max-width:900px;margin:0;font-size:clamp(46px,6vw,92px);font-weight:800;line-height:.88;letter-spacing:-.07em}.task-library .eyebrow,.lab .eyebrow{color:var(--blue)}
.pill{display:inline-flex;align-items:center;white-space:nowrap;border:1px solid rgba(17,19,15,.25);border-radius:999px;padding:9px 13px;font-size:11px;font-weight:800;text-transform:uppercase}
.discovery{display:grid;grid-template-columns:minmax(300px,.65fr) 1.35fr;align-items:end;gap:28px;padding:25px 0;border-block:1px solid rgba(17,19,15,.18)}
.discovery label{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.search-control{display:block;position:relative}.discovery input{display:block;width:100%;margin-top:9px;padding:17px 50px 17px 0;background:transparent;color:var(--ink);border:0;border-bottom:3px solid var(--ink);border-radius:0;font-size:22px;font-weight:700}.search-control button{position:absolute;right:0;bottom:7px;width:40px;height:40px;border:1px solid rgba(17,19,15,.25);border-radius:50%;background:transparent;color:var(--ink);font-size:22px}.search-control button:hover{background:var(--ink);color:white}
#categories{display:flex;gap:7px;flex-wrap:wrap}#categories button{min-height:42px;padding:10px 14px;border:1px solid rgba(17,19,15,.24);border-radius:999px;background:transparent;color:#494b45;font-size:12px}#categories button:hover{border-color:var(--ink)}#categories button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}
#task-count{margin:18px 0 10px;color:#686b63;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
#task-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-height:620px;overflow:auto;border-top:1px solid rgba(17,19,15,.2)}
.task-card{position:relative;min-height:260px;padding:24px;text-align:left;background:transparent;color:var(--ink);border:0;border-right:1px solid rgba(17,19,15,.2);border-bottom:1px solid rgba(17,19,15,.2);transition:background var(--standard),color var(--standard)}.task-card:nth-child(3n){border-right:0}.task-card:hover{background:var(--lime)}.task-card.selected{background:var(--blue);color:white}.task-meta{display:flex;justify-content:space-between;color:inherit;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.task-meta>span{font-size:22px}.task-card h3{max-width:300px;margin:48px 0 10px;font-size:29px;line-height:1;letter-spacing:-.04em}.task-card p{max-width:300px;margin:0 0 20px;color:inherit;opacity:.7;font-size:14px}.task-action{position:absolute;left:24px;right:24px;bottom:20px;display:flex;justify-content:space-between;padding-top:11px;border-top:1px solid currentColor;font-size:11px;font-weight:800;text-transform:uppercase}.no-results{grid-column:1/-1;padding:55px 10px;color:#656860;font-size:18px}

.workflow-panel{margin:0;padding:55px max(24px,calc((100vw - 1440px)/2));display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;background:var(--blue);color:white;scroll-margin-top:82px}.workflow-panel .eyebrow{color:#cbd6ff}.workflow-panel h2{font-size:clamp(38px,4vw,64px);line-height:.95;letter-spacing:-.055em;margin:0 0 14px}.workflow-panel p{color:#dce3ff}.workflow-panel ol{display:grid;grid-template-columns:repeat(3,1fr);gap:0;list-style:none;margin:0;padding:0}.workflow-panel li{min-height:180px;padding:18px;border:1px solid rgba(255,255,255,.28);border-right:0;font-size:15px}.workflow-panel li:last-child{border-right:1px solid rgba(255,255,255,.28)}.workflow-panel li span{display:block;margin-bottom:55px;color:var(--lime);font-size:28px}.primary-link{display:inline-flex;width:max-content;margin-top:20px;padding:14px 18px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.05em;transition:transform var(--fast)}.primary-link:hover{transform:translateY(-3px)}

.lab{margin:0;padding:clamp(80px,9vw,130px) max(24px,calc((100vw - 1440px)/2));background:var(--white);color:var(--ink)}
.lab .section-top{margin-bottom:38px}.tabs{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid rgba(17,19,15,.22)}.tabs button{min-height:75px;padding:17px;text-align:left;background:transparent;color:#696b64;border:0;border-right:1px solid rgba(17,19,15,.22);font-size:12px}.tabs button:last-child{border-right:0}.tabs button span{display:block;margin-top:5px;font-size:16px;font-weight:800}.tabs button[aria-selected=true]{background:var(--ink);color:white}
.calculator{display:grid;grid-template-columns:1fr 1fr;border:1px solid rgba(17,19,15,.22);border-top:0}.inputs,.results{padding:clamp(25px,4vw,52px)}.inputs{background:var(--paper)}.calc-title{display:flex;justify-content:space-between;gap:20px;align-items:start}.calc-title h3{margin:0;font-size:31px;line-height:1.05;letter-spacing:-.04em}.text-button{border:0;border-bottom:1px solid;background:transparent;color:#555850;padding:5px 0;font-size:11px}.muted{max-width:540px;color:#696b64}.preset-label{display:block;margin-top:30px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}select{width:100%;margin-top:8px;padding:14px;background:white;border:1px solid rgba(17,19,15,.25);border-radius:0;color:var(--ink)}.micro{font-size:11px;color:#74766e}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.field label{display:block;font-size:12px}.field input{width:100%;margin-top:6px;padding:13px 10px;background:transparent;border:0;border-bottom:2px solid var(--ink);border-radius:0;color:var(--ink);font-size:24px;font-weight:800}.field small{display:block;margin-top:5px;color:#73766e;font-size:10px;text-transform:uppercase}
.results{position:relative;overflow:hidden;background:var(--black);color:white}.results:after{content:"RESULT";position:absolute;right:-.05em;bottom:-.28em;color:rgba(255,255,255,.035);font:bold 150px/1 Arial,sans-serif;pointer-events:none}.results .eyebrow{color:#aab6f2}.results>*{position:relative;z-index:1}#main-result{margin:38px 0 5px;color:var(--lime);font-size:clamp(58px,7vw,104px);font-weight:900;line-height:.85;letter-spacing:-.07em;overflow-wrap:anywhere}#main-result small{margin-left:8px;font-size:18px;letter-spacing:0}#result-note{color:#bdc0b7}.bar-row{display:grid;grid-template-columns:54px 1fr 85px;gap:10px;align-items:center;margin:12px 0;color:#c8cbc2;font-size:11px}.track{height:12px;background:rgba(255,255,255,.12)}.bar{height:100%;background:#7e8490;transition:width var(--slow)}.bar.after{background:var(--lime)}#stats{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}#stats strong{display:block;font-size:27px}#stats span{color:var(--muted);font-size:11px}#insight{margin-top:25px;padding:14px;border-left:3px solid var(--lime);background:rgba(255,255,255,.06);color:#c9ccc3;font-size:13px}.method{margin-top:22px;padding:18px 0;border-block:1px solid rgba(17,19,15,.2);color:#5f625a;font-size:13px}.method summary{display:flex;justify-content:space-between;cursor:pointer;font-weight:800}.method div{margin-top:15px;color:var(--ink)}

#practice{padding:clamp(80px,9vw,130px) max(24px,calc((100vw - 1440px)/2));background:var(--paper);color:var(--ink)}#practice .eyebrow{color:var(--blue)}#practice .section-top h2{font-size:clamp(46px,6vw,86px)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(17,19,15,.2)}.cards article{min-height:330px;padding:25px;border-right:1px solid rgba(17,19,15,.2);border-bottom:1px solid rgba(17,19,15,.2)}.cards article:last-child{border-right:0}.card-num{color:var(--blue);font-size:10px;font-weight:900;letter-spacing:.08em}.cards h3{margin:70px 0 16px;font-size:32px;line-height:1;letter-spacing:-.045em}.cards p{color:#686b63}.card-foot{margin-top:28px;padding-top:15px;border-top:1px solid rgba(17,19,15,.18);font-size:11px;font-weight:800}
.prompt-box{display:grid;grid-template-columns:1fr auto;align-items:center;gap:45px;margin-top:26px;padding:32px;background:var(--blue);color:white}.prompt-box .eyebrow{color:#cbd6ff}.prompt-box h3{font-size:31px;line-height:1.05}.prompt-box p:not(.eyebrow){max-width:850px;color:#dce3ff}.prompt-box button{border:0;background:var(--lime);color:var(--ink);padding:15px 18px;font-size:12px;font-weight:900;text-transform:uppercase}

.book-section{margin:0;padding:clamp(75px,9vw,130px) max(24px,calc((100vw - 1240px)/2));display:grid;grid-template-columns:minmax(250px,.7fr) 1.3fr;align-items:center;gap:clamp(50px,9vw,140px);background:var(--graphite);color:white}.cover{width:min(100%,380px);height:auto;justify-self:center;filter:drop-shadow(28px 34px 22px #0008);transform:rotate(-5deg)}.book-section .eyebrow{color:var(--lime)}.book-section h2{margin:0;font:400 clamp(58px,7vw,102px)/.84 Georgia,serif;letter-spacing:-.07em}.book-subtitle{font:400 30px/1.15 Georgia,serif;color:#d6d9cf}.book-section p:not(.eyebrow):not(.book-subtitle):not(.author),.book-section li{color:#b9bdb2}.book-section ul{padding-left:20px}.author{margin-top:25px;font-size:11px;font-weight:800;letter-spacing:.1em}.author span{color:var(--muted)}
.reference-pages{padding:30px max(24px,calc((100vw - 1240px)/2));background:var(--graphite)}.reference-pages summary{display:flex;justify-content:space-between;padding:18px 0;border-top:1px solid var(--line);color:white}.reference-pages details>div{display:grid;grid-template-columns:1fr 1fr;gap:20px}.reference-pages img{width:100%;height:auto;filter:saturate(.7)}
footer{max-width:none;margin:0;padding:38px max(24px,calc((100vw - 1440px)/2));display:flex;justify-content:space-between;align-items:center;gap:25px;border-top:1px solid var(--line);background:var(--black);color:var(--muted);font-size:12px}footer .brand{color:white;font-size:14px}
@media(max-width:1000px){
  .intro{grid-template-columns:1fr .75fr}.intro h1{font-size:82px}.intro-art{min-height:400px;height:500px}
  .discovery{grid-template-columns:1fr}.workflow-panel{grid-template-columns:1fr}.calculator{grid-template-columns:1fr}.book-section{grid-template-columns:.7fr 1.3fr;gap:45px}
}
@media(max-width:760px){
  html{scroll-padding-top:0}header{position:relative;height:auto;min-height:92px;padding:15px 18px;align-items:flex-start;flex-direction:column;gap:12px}nav{width:100%;justify-content:space-between;gap:10px;overflow:auto}nav a{padding:9px 0;white-space:nowrap}nav a:last-child{display:none}
  .intro{min-height:0;grid-template-columns:1fr;padding:58px 18px 70px}.intro h1{font-size:clamp(64px,22vw,92px)}.intro-art{height:420px;min-height:0;margin-top:25px}.intro-art img{width:88%;height:88%;box-shadow:17px 20px 0 var(--blue)}
  .task-library,.lab,#practice{padding:72px 18px}.section-top{align-items:start;flex-direction:column}.section-top h2{font-size:53px}.pill{display:none}
  #task-grid{grid-template-columns:1fr;max-height:670px}.task-card,.task-card:nth-child(3n){border-right:0}.task-card{min-height:235px}.task-card h3{margin-top:38px}
  .workflow-panel{padding:48px 18px}.workflow-panel ol{grid-template-columns:1fr}.workflow-panel li{min-height:auto;border-right:1px solid rgba(255,255,255,.28);border-bottom:0}.workflow-panel li:last-child{border-bottom:1px solid rgba(255,255,255,.28)}.workflow-panel li span{margin-bottom:18px}
  .tabs button{padding:12px 8px}.tabs button span{font-size:12px}.inputs,.results{padding:25px 20px}.fields{grid-template-columns:1fr 1fr}#main-result{font-size:68px}
  .cards{grid-template-columns:1fr}.cards article{min-height:270px;border-right:0}.cards h3{margin-top:48px}.prompt-box{grid-template-columns:1fr}.prompt-box button{width:100%}
  .book-section{grid-template-columns:1fr;padding:70px 20px}.cover{width:210px}.book-section h2{font-size:66px}.reference-pages{padding-inline:20px}.reference-pages details>div{grid-template-columns:1fr}
  footer{align-items:flex-start;flex-direction:column}
}
@media(max-width:430px){.intro h1{font-size:62px}.intro-art{height:350px}.section-top h2,#practice .section-top h2{font-size:46px}.fields{grid-template-columns:1fr}.bar-row{grid-template-columns:45px 1fr 72px}.book-section h2{font-size:58px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.intro-art img,.cover{transform:none}}