:root{--ease-out:cubic-bezier(.23,1,.32,1);--ease-in-out:cubic-bezier(.77,0,.175,1)}
.report em{font-family:var(--serif);font-style:normal;font-weight:500;color:var(--green)}

/* Reveal: content stays visible without JS. */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);transition-delay:calc(var(--d,0) * 70ms)}
.js .reveal.in{opacity:1;transform:none}

.button{transition:background .2s ease,transform .16s var(--ease-out)}
.button:active,.pdf-preview:active,.snippet-tabs button:active,.present-toggle:active{transform:scale(.97)}
.button:hover{transform:none}
@media(hover:hover) and (pointer:fine){.button:hover{transform:translateY(-1px)}}

.present-toggle{border:1px solid var(--green);color:var(--green);background:transparent;border-radius:20px;padding:6px 14px;font-size:13px;transition:background .2s ease,color .2s ease,transform .16s var(--ease-out)}
@media(hover:hover) and (pointer:fine){.present-toggle:hover{background:var(--green);color:#fff}}

/* Hero */
.hero .hero-actions .button{border:0}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);margin:56px 0 0;border-top:1px solid var(--line)}
.hero-stats>div{padding:22px 24px 0 0}
.hero-stats>div+div{padding-left:24px;border-left:1px solid var(--line)}
.hero-stats dt{font-size:12px;color:var(--muted);letter-spacing:.06em}
.hero-stats dd{margin:6px 0 0;display:flex;align-items:baseline;gap:6px}
.hero-stats b,.metric-row b{font-family:var(--serif);font-weight:500;color:var(--green);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-stats b{font-size:clamp(30px,3.4vw,44px)}
.hero-stats small{font-size:13px;color:var(--muted)}
.hero-stats .stat-note{margin-top:6px;font-size:13px;line-height:1.5;color:var(--muted)}

/* Chapters */
.chapter{padding:96px 0;position:relative}
.chapter.tint{background:#f1f6f1;border-block:1px solid var(--line)}
.chapter-head{position:relative;margin-bottom:44px;max-width:760px}
.chapter-head p{color:var(--muted);font-size:16px;margin:16px 0 0}
.chapter-no{position:absolute;right:calc(100% + 28px);top:-6px;font-family:var(--serif);font-size:15px;color:#9db4a9;letter-spacing:.08em}
.chapter-no:after{content:'';display:block;width:1px;height:46px;background:var(--line);margin:10px auto 0}

.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink)}
.pain-grid article{padding:28px 30px 8px 0}
.pain-grid article+article{padding-left:30px;border-left:1px solid var(--line)}
.pain-grid span{font-size:12px;letter-spacing:.14em;color:var(--orange);font-weight:600}
.pain-grid h3{font-size:22px;margin:10px 0 12px}
.pain-grid p{font-size:14px;color:var(--muted)}

.path{margin-top:56px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 34px}
.path-title{font-size:12px;letter-spacing:.14em;color:var(--muted);margin-bottom:20px}
.path-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:step;position:relative}
.path-steps:before{content:'';position:absolute;left:0;right:0;top:15px;height:1px;background:var(--green);opacity:.35;transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease-in-out) .3s}
.path.in .path-steps:before,html:not(.js) .path-steps:before{transform:scaleX(1)}
.path-steps li{counter-increment:step;position:relative;padding-top:44px}
.path-steps li:before{content:counter(step,decimal-leading-zero);position:absolute;top:0;left:0;width:31px;height:31px;border-radius:50%;background:var(--paper);border:1px solid var(--green);color:var(--green);font-size:11px;display:grid;place-items:center}
.path-steps b{display:block;font-size:19px;margin-bottom:6px}
.path-steps span{font-size:14px;color:var(--muted)}

.metric-row{display:grid;grid-template-columns:repeat(4,1fr);margin:0 0 40px;gap:18px}
.metric-row>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 24px}
.metric-row dd{margin:0}
.metric-row b{font-size:clamp(34px,3.6vw,50px);line-height:1.1}
.metric-row dt{font-size:15px;margin-top:10px}
.metric-row dt small{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.subject-grid article{border-top:2px solid var(--green);padding-top:18px}
.subject-grid h3{font-family:var(--serif);font-weight:500;font-size:24px}
.subject-grid p{font-size:13.5px;color:var(--muted);margin:10px 0 0}

/* Practice */
.practice-nav{display:flex;gap:10px;margin:-12px 0 48px;flex-wrap:wrap}
.practice-nav a{border:1px solid var(--line);border-radius:24px;padding:8px 16px;font-size:13px;color:var(--muted);background:#fff;transition:border-color .2s ease,color .2s ease}
.practice-nav b{color:var(--ink);margin-right:8px;font-weight:600}
@media(hover:hover) and (pointer:fine){.practice-nav a:hover{border-color:var(--green);color:var(--green)}}
#research,#growth{padding-top:24px}
.block-head{max-width:720px;margin-bottom:34px}
.block-head h3{font-size:clamp(28px,3vw,38px);letter-spacing:-.03em}
.block-head p{color:var(--muted);font-size:15px;margin:14px 0 0}

.snippet{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:0 20px 50px #173c370a}
.snippet-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#f2f6f2;border-radius:11px;padding:5px}
.snippet-tabs button{border:0;background:transparent;border-radius:8px;padding:11px 14px;text-align:left;font-size:15px;font-weight:600;color:var(--muted);transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .16s var(--ease-out)}
.snippet-tabs small{display:block;font-size:11px;font-weight:400;letter-spacing:.04em;margin-bottom:2px}
.snippet-tabs [aria-selected=true]{background:#fff;color:var(--ink);box-shadow:0 1px 3px #173c3714}
.snippet-panel{display:grid;grid-template-columns:1.05fr 1fr;gap:10px;margin-top:10px}
.snippet-panel.entering{animation:panelIn .34s var(--ease-out)}
@keyframes panelIn{from{opacity:0;transform:translateY(6px);filter:blur(3px)}to{opacity:1;transform:none;filter:none}}
.dialogue{padding:26px 28px;background:#fbfcfa;border-radius:10px}
.dialogue-label,.fb-title span{font-size:11px;letter-spacing:.14em;color:var(--muted);display:block;margin-bottom:16px}
.dialogue p{display:flex;gap:12px;font-size:15px;line-height:1.75;margin:0 0 14px}
.dialogue i{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:12px;margin-top:1px}
.dialogue .t i{background:var(--green);color:#fff}
.dialogue .s i{background:#f4e6cf;color:#8d5f22}
.dialogue .s{color:#5b6b66}
.feedback-stack{padding:26px 28px;border-radius:10px;background:#eef6f0}
.fb-title{font-family:var(--serif);font-size:18px;line-height:1.5;margin-bottom:16px}
.fb-title span{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;margin-bottom:6px;color:var(--green)}
.card-thumb{display:block;width:100%;border:0;padding:0;background:none;cursor:zoom-in;border-radius:8px;overflow:hidden;box-shadow:0 6px 18px #173c3714;margin-bottom:16px}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease-out)}
@media(hover:hover) and (pointer:fine){.card-thumb:hover img{transform:scale(1.02)}}
.feedback-stack blockquote{margin:0 0 10px;padding-left:14px;border-left:2px solid #9cc7b4;font-size:14px;line-height:1.8;color:#3f5a53}
.snippet-note{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:14px 10px 6px}
.snippet-note .text-link{font-size:12px}

.works{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.work{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;display:flex;flex-direction:column;gap:22px}
.work.feature{grid-column:1/-1;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:40px;padding:34px}
.work h4{font-family:var(--serif);font-size:26px;font-weight:500;margin:0}
.work.feature h4{font-size:34px}
.work-line{color:var(--muted);font-size:14px;margin:10px 0 0}
.work-facts{list-style:none;padding:0;margin:22px 0 0;display:flex;gap:26px;flex-wrap:wrap}
.work-facts li{font-size:13px;color:var(--muted)}
.work-facts b{font-family:var(--serif);font-weight:500;font-size:30px;color:var(--green);margin-right:3px}
.work-facts small{display:block;font-size:11px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pair .pdf-preview span{font-weight:600}
.pdf-preview{transition:border-color .2s ease,transform .16s var(--ease-out),box-shadow .3s ease}
@media(hover:hover) and (pointer:fine){.pdf-preview:hover{box-shadow:0 10px 26px #173c3712}}
.flow-strip{margin-top:18px;width:100%;display:grid;grid-template-columns:minmax(0,1.6fr) 1fr;gap:26px;align-items:center;text-align:left;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px;cursor:zoom-in;font:inherit;color:inherit;transition:border-color .2s ease}
.flow-strip img{width:100%;height:auto;border-radius:8px}
.flow-strip span{font-size:14px;color:var(--muted)}
.flow-strip b{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}
.flow-strip em{display:block;font-family:inherit;font-size:12px;margin-top:10px}
@media(hover:hover) and (pointer:fine){.flow-strip:hover{border-color:var(--green)}}

.growth-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}
.selection-label{font-size:11px;letter-spacing:.14em;color:#9fc2b2;margin-bottom:12px}
.lessons{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.lessons .pdf-preview span{font-weight:600}
.selection{background:#183d35;color:#eef7ef;border-radius:14px;padding:32px;display:flex;flex-direction:column}
.selection blockquote{margin:0;font-family:var(--serif);font-size:21px;line-height:1.7}
.criteria{list-style:none;padding:0;margin:22px 0;display:flex;gap:8px;flex-wrap:wrap}
.criteria li{border:1px solid #4e7466;border-radius:20px;padding:5px 12px;font-size:12px;color:#c4dccf}
.flow-thumb{margin-top:auto;border:0;padding:0;background:none;color:#b9cfc1;text-align:left;cursor:zoom-in;font:inherit;font-size:12px}
.flow-thumb img{width:100%;height:auto;background:#fff;padding:6px;box-sizing:border-box;border-radius:8px;margin-bottom:10px;opacity:.92;transition:opacity .2s ease}
@media(hover:hover) and (pointer:fine){.flow-thumb:hover img{opacity:1}}

#tools .flow-shell{box-shadow:0 20px 50px #173c370a}
.experience-section{padding-bottom:96px}
.experience-section .chapter-head{margin-bottom:20px}
.closing{padding:120px 0 110px;text-align:center;background:linear-gradient(#fafbf8,#eef6f0)}
.closing-line{font-size:clamp(30px,4vw,52px);line-height:1.45;letter-spacing:-.03em;margin:0}
.closing-links{display:flex;gap:34px;justify-content:center;margin-top:40px;flex-wrap:wrap}

/* Presentation mode */
.present-hud{display:none}
html.presenting{scroll-padding-top:0;scroll-behavior:auto}
.presenting .site-header,.presenting .footer{display:none}
.presenting .slide{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-top:64px;padding-bottom:84px}
.presenting #research,.presenting #growth{padding-top:64px}
.presenting .slide>.wrap{width:100%}
.presenting .present-hud{display:flex;position:fixed;right:24px;bottom:22px;z-index:40;align-items:center;gap:4px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:24px;padding:5px 6px;box-shadow:0 8px 24px #173c3712;font-size:12px;color:var(--muted)}
.present-hud button{border:0;background:none;width:30px;height:30px;border-radius:50%;font-size:17px;line-height:1;transition:background .15s ease}
.present-hud .hud-exit{width:auto;font-size:12px;padding:0 12px;border-left:1px solid var(--line);border-radius:0 16px 16px 0}
.present-hud span{min-width:58px;text-align:center;font-variant-numeric:tabular-nums}
@media(hover:hover) and (pointer:fine){.present-hud button:hover{background:#eef4f0}}
.presenting .hero-art{min-height:300px}

@media(max-width:1000px){.chapter-no{position:static;display:block;margin-bottom:12px}.chapter-no:after{display:none}.metric-row,.subject-grid{grid-template-columns:repeat(2,1fr)}.work.feature{grid-template-columns:1fr}.growth-grid{grid-template-columns:1fr}}
@media(max-width:700px){.chapter{padding:60px 0}.hero-stats{grid-template-columns:repeat(2,1fr);margin-top:30px}.hero-stats>div{padding:16px 12px 14px 0!important;border:0!important}.hero-stats>div:nth-child(2n){padding-left:16px!important;border-left:1px solid var(--line)!important}.pain-grid{grid-template-columns:1fr}.pain-grid article,.pain-grid article+article{padding:22px 0 4px;border-left:0;border-bottom:1px solid var(--line)}.path{padding:24px}.path-steps{grid-template-columns:1fr;gap:20px}.path-steps:before{display:none}.path-steps li{padding:0 0 0 46px}.metric-row{gap:10px}.metric-row>div{padding:18px}.subject-grid{grid-template-columns:1fr}.snippet-tabs{grid-template-columns:1fr}.snippet-panel{grid-template-columns:1fr}.dialogue,.feedback-stack{padding:20px}.works{grid-template-columns:1fr}.work.feature{padding:24px;gap:24px}.work.feature h4{font-size:28px}.flow-strip{grid-template-columns:1fr}.lessons{grid-template-columns:repeat(3,1fr);gap:8px}.lessons .pdf-preview span{font-size:11px}.selection{padding:24px}.selection blockquote{font-size:18px}.nav-links .present-toggle,.hero [data-present]{display:none}.closing{padding:80px 0}}
@media(prefers-reduced-motion:reduce){.js .reveal{transform:none;transition:opacity .3s ease}.snippet-panel.entering{animation:none}.path-steps:before{transition:none}}
@media print{.present-hud,.present-toggle,.practice-nav{display:none!important}.js .reveal{opacity:1!important;transform:none!important}.chapter{padding:28px 0;break-inside:avoid-page}.snippet-panel[hidden]{display:grid!important}.snippet-tabs{display:none}.selection{background:#eef6ef;color:var(--ink)}.criteria li{color:var(--muted)}}

.pdf-grid.cards .pdf-preview img{aspect-ratio:16/10;object-fit:cover;object-position:top}
.pdf-dialog[open],.lightbox[open]{animation:dialogIn .24s var(--ease-out)}.pdf-dialog[open]::backdrop,.lightbox[open]::backdrop{animation:fadeIn .24s ease}
@keyframes dialogIn{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}@keyframes fadeIn{from{opacity:0}}
@media(prefers-reduced-motion:reduce){.pdf-dialog[open],.lightbox[open]{animation:fadeIn .2s ease}}

.flow-view{position:fixed;inset:0;width:100vw;height:100vh;max-width:none;max-height:none;margin:0;padding:0;border:0;background:#fff;color:var(--ink);overflow:hidden;transition:background-color .3s ease}
.flow-view::backdrop{background:#fff}
.flow-view-stage{width:100%;height:100%;overflow:auto;display:grid;place-items:center;padding:6vh 5vw;box-sizing:border-box;scrollbar-width:none}
.flow-view-stage::-webkit-scrollbar{display:none}
.flow-view img{display:block;max-width:100%;max-height:100%;object-fit:contain;cursor:zoom-in;user-select:none;-webkit-user-drag:none;--fade:linear-gradient(90deg,#0000,#000 12px calc(100% - 12px),#0000),linear-gradient(#0000,#000 12px calc(100% - 12px),#0000);-webkit-mask:var(--fade);-webkit-mask-composite:source-in;mask:var(--fade);mask-composite:intersect}
.flow-view.zoomed .flow-view-stage{place-items:start;padding:4vh 4vw}
.flow-view.zoomed img{max-width:none;max-height:none;width:210vw;cursor:zoom-out}
.flow-view-close{position:fixed;top:20px;right:22px;width:40px;height:40px;border-radius:50%;border:0;background:rgba(23,60,55,.06);color:var(--ink);font:300 24px/1 system-ui,sans-serif;cursor:pointer;opacity:.55;transition:opacity .2s ease,background-color .2s ease,transform .16s var(--ease-out)}
.flow-view-close:active{transform:scale(.94)}
.flow-view-close:focus-visible{outline:2px solid var(--green);outline-offset:2px;opacity:1}
@media(hover:hover) and (pointer:fine){.flow-view-close:hover{opacity:1;background:rgba(23,60,55,.1)}}
.flow-view[open]{animation:fadeIn .28s ease}
.flow-view[open] img{animation:flowIn .5s var(--ease-out)}
@keyframes flowIn{from{opacity:0;transform:scale(.985)}}
@media(prefers-reduced-motion:reduce){.flow-view[open] img{animation:none}}
@media(max-width:700px){.flow-view-stage{padding:64px 12px 24px}.flow-view.zoomed img{width:320vw}}
.pdf-grid.cards [data-flow-full] img{object-fit:contain;object-position:center;background:#fff}