/* Work Study 12: the same paper, ink and spacious rhythm across project pages. */
:root{--paper:#f5f7f2;--bg:#f5f7f2;--ink:#223933;--muted:#586d63;--line:#c4d0c5;--surface:#edf1e8;--surface-strong:#f8faf5;--soft:#e4ebdc;--blue:#385e4e;--blue-strong:#284537;--copper:#a44c36;--accent:#a44c36;--green:#385e4e;--body:'Avenir Next','Trebuchet MS',sans-serif;--display:'Avenir Next','Trebuchet MS',sans-serif;--shadow:none;--radius:3px;--max-width:1160px}
body.lab-work{background:radial-gradient(#7e9a7024 .65px,transparent .9px) 0 0/24px 24px,var(--bg);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased}
body.lab-work::before,body.lab-work::after,.book-glow,.book-noise,.page-transition{display:none!important}
body.lab-work .lab-header{max-width:1280px}.lab-header .lang-btn{box-shadow:none;transform:none}.lab-header .lab-nav{gap:22px}
body.lab-work h1,body.lab-work h2,body.lab-work h3{font-family:var(--body);color:var(--ink)}
body.lab-work h1{font-size:clamp(44px,5.3vw,74px);font-weight:500;line-height:1.04;letter-spacing:-.055em;text-wrap:balance}
body.lab-work h2{font-size:clamp(28px,3.2vw,43px);font-weight:500;line-height:1.15;letter-spacing:-.04em;max-width:30ch}
body.lab-work h3{font-weight:500;letter-spacing:-.025em}
body.lab-work .eyebrow,body.lab-work .section-tag,body.lab-work .apps-kicker,body.lab-work .apps-section-tag{font:500 10px/1.6 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
body.lab-work :is(.btn,.button,.apps-link){border-radius:2px;box-shadow:none;font-family:var(--body);font-size:12px;transition:background .18s,color .18s;transform:none}
body.lab-work :is(.btn-primary,.button-primary){background:var(--ink);border:1px solid var(--ink);color:var(--bg)}
body.lab-work :is(.btn-secondary,.apps-link){background:transparent;border:1px solid var(--line);color:var(--ink)}
body.lab-work :is(.btn,.button,.apps-link):hover{background:var(--soft);color:var(--ink);border-color:var(--muted)}
body.lab-work .reveal{opacity:1;transform:none;transition:none}
body.lab-work :is(.book-main,.apps-main){width:min(1160px,90%);margin:38px auto 75px;display:block}
body.lab-work .book-breadcrumb{border:0;border-radius:0;padding:0;margin-bottom:34px;background:none;font-size:11px}
/* Book: generous cover space, clear sample / toolkit entry, quieter method diagrams. */
body.work-book .hero,body.work-toolkit .hero{padding:0 0 60px;border:0;border-radius:0;box-shadow:none;background:none;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:8%;align-items:start}
body.work-book .hero-copy,body.work-toolkit .hero-copy{display:block}
body.work-book .hero-copy>*+*,body.work-toolkit .hero-copy>*+*{margin-top:22px}
body.work-book .hero h1{max-width:12ch;margin-top:24px}
body.work-book .subtitle,body.work-toolkit .subtitle{font-size:23px;line-height:1.45;color:var(--muted);max-width:28ch}
body.work-book .lead,body.work-toolkit .lead{font-size:19px;line-height:1.8;margin-top:30px;max-width:52ch}
body.work-book .summary,body.work-toolkit .summary{font-size:14px;line-height:1.85;color:var(--muted);max-width:58ch}
body.work-book .hero-actions,body.work-toolkit .hero-actions{gap:12px;margin-top:28px}
body.work-book .hero-utility-links{font-size:11px;font-weight:400;gap:25px;margin-top:18px}
body.work-book .hero-panel{padding:0 30px;gap:24px}
body.work-book .cover-card{background:none;box-shadow:none;padding:0;border:0;transform:none;width:100%;max-width:310px;margin:0 auto}
body.work-book .cover-card img{display:block;width:100%;height:auto;max-height:490px;object-fit:contain;border-radius:0;box-shadow:7px 10px 24px #22393316}
body.work-book .hero-note,body.work-toolkit .hero-note{padding:20px 0 0;border:0;border-top:1px solid var(--line);background:none;box-shadow:none;border-radius:0;font-size:12px;line-height:1.75;max-width:340px}
body.work-book .hero-facts{display:flex;flex-wrap:wrap;gap:24px;padding:20px 0;margin:30px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);list-style:none}
body.work-book .hero-facts li{background:none;border:0;border-radius:0;box-shadow:none;padding:0;flex:1;min-width:100px;display:block}
body.work-book .hero-facts strong{font:500 28px/1.3 var(--body);display:block;color:var(--ink)}body.work-book .hero-facts span{font-size:11px;color:var(--muted)}
body.work-book .book-section,body.work-toolkit .book-section{margin:0;padding:52px 0;border-top:1px solid var(--line)}
body.lab-work .section-head{margin-bottom:30px}
body.lab-work .section-head .section-tag{margin-bottom:14px}
body.work-book :is(.insight-card,.note-card,.sample-panel,.hero-contact-card),body.work-toolkit :is(.sample-panel,.hero-contact-card){border:0;border-radius:0;box-shadow:none;background:none;padding:0}
body.work-book .insight-card,body.work-book .note-card{padding:24px 24px 0 0;border-top:1px solid var(--line)}
body.work-book :is(.insight-card p,.note-card p,.sample-copy>p){font-size:16px;line-height:1.85;color:var(--muted)}
body.work-book :is(.visual-card,.loop-shell,.loop-stage,.trigger-issue,.loop-note){border-radius:3px;box-shadow:none;background-color:#edf1e880}
body.work-book .visual-card{border:1px solid var(--line);background:#f8faf5;box-shadow:none}
body.work-book .visual-card img{object-fit:contain;background:#f8faf5}
body.work-book details,body.work-pet details{background:none;border-radius:0;border:0;border-top:1px solid var(--line);box-shadow:none;padding:20px 0}
body.work-book details summary{font-size:17px}
body.work-toolkit :is(.toolkit-card,.toolkit-pack-card,.toolkit-chip){box-shadow:none;border-radius:3px;background:#edf1e880;border-color:var(--line)}
/* PM Pet: preserve the illustrative owl and working examples. */
body.work-pet .hero{padding-top:58px;padding-bottom:70px;gap:5%}
body.work-pet .hero h1{font-weight:500;letter-spacing:-.06em;line-height:1.02}
body.work-pet .hero h1 em{color:var(--accent);font-weight:400}
body.work-pet .hero-art{border-radius:3px;border-color:var(--line);box-shadow:none;background:#edf1e8}
body.work-pet .workflow{background:#e4ebdc66;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
body.work-pet :is(.roadmap-demo,.decision-demo,.feature-card){border-radius:3px;box-shadow:none}
/* Apps: icons are the visual identity; use an open two-column catalogue. */
body.work-apps :is(.apps-hero,.apps-section,.apps-footer){padding:0;background:none;border:0;border-radius:0;box-shadow:none}
body.work-apps .apps-hero{padding:22px 0 54px}
body.work-apps .apps-hero h1{max-width:22ch;margin:20px 0 25px;font-size:clamp(38px,4.6vw,64px)}
body.work-apps .apps-hero>p{max-width:65ch;font-size:17px;line-height:1.85;color:var(--muted)}
body.work-apps .apps-stats{display:flex;flex-wrap:wrap;gap:40px;margin:30px 0}
body.work-apps .apps-stat{padding:0;border:0;box-shadow:none;border-radius:0;background:none;display:flex;align-items:baseline;gap:10px}
body.work-apps .apps-stat strong{font:500 25px var(--body);color:var(--ink)}body.work-apps .apps-stat span{font-size:11px}
.app-icon-rail{display:flex;flex-wrap:wrap;gap:20px 30px;margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.app-icon-rail a{width:88px;display:flex;align-items:center;flex-direction:column;gap:12px;text-decoration:none;font:11px/1.4 var(--body);text-align:center;color:var(--muted)}
.app-icon-rail img{width:64px;height:64px;object-fit:cover;border-radius:15px;transition:transform .2s}
.app-icon-rail a:hover img{transform:translateY(-4px)}.app-icon-rail a:hover{color:var(--accent)}
body.work-apps .apps-section{padding:40px 0;border-top:1px solid var(--line)}
body.work-apps .apps-section h2{margin:15px 0 35px}
body.work-apps .apps-grid{grid-template-columns:1fr 1fr;gap:0 65px;margin:0}
body.work-apps .apps-card{position:relative;display:flex;flex-direction:column;align-items:start;gap:20px;border:0;border-top:1px solid var(--line);border-radius:0;background:none;box-shadow:none;padding:32px 0;scroll-margin-top:24px}
body.work-apps .apps-card-head{display:grid;grid-template-columns:84px minmax(0,1fr);gap:22px;align-items:center}
body.work-apps .apps-icon{height:84px;width:84px;border:0;border-radius:19px;box-shadow:none}
body.work-apps .apps-card h3{font:500 24px/1.18 var(--body);letter-spacing:-.035em;margin-bottom:12px}
body.work-apps .apps-meta{gap:7px 12px}
body.work-apps .apps-chip{border:0;padding:0;background:none;font-size:10px;line-height:1.5;color:var(--muted);border-radius:0;font-weight:400}
body.work-apps .apps-card p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;max-width:50ch}
body.work-apps .apps-card-actions{margin-top:auto}
body.work-apps .apps-card-actions a{border:0;border-bottom:1px solid var(--line);padding:0 0 6px;font-size:11px;background:none}
body.work-apps .apps-footer{padding:32px 0;border-top:1px solid var(--line)}
body.work-apps .apps-footer h2{font-size:29px;margin:15px 0}.apps-footer>p{max-width:70ch}
@media(max-width:850px){body.work-book .hero,body.work-toolkit .hero{gap:5%;grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr)}body.work-book .hero-panel{padding:0}body.work-apps .apps-grid{gap:0 30px}.lab-header .lab-brand span{display:none}}
@media(max-width:620px){.lab-header .lab-nav{gap:10px}.lab-header .lab-nav>a{font-size:10px}.lab-header button{padding:7px}.lab-header .lab-brand img{width:32px;height:32px}body.lab-work h1{font-size:46px}body.lab-work .book-main,body.lab-work .apps-main{margin-top:28px}body.work-book .hero,body.work-toolkit .hero{grid-template-columns:1fr;gap:32px;padding-bottom:35px}body.work-book .hero-panel{display:grid;grid-template-columns:130px 1fr;align-items:center;gap:25px}body.work-book .hero-note{font-size:11px;border-top:0;padding:0}body.work-book .cover-card{max-width:150px}body.work-book .hero-facts{gap:16px}body.work-book .hero-facts li{min-width:75px}body.work-book .book-section,body.work-toolkit .book-section{padding:36px 0}body.work-pet .hero{padding-top:35px;padding-bottom:45px}body.work-pet .page-width{width:90%}body.work-apps .apps-grid{grid-template-columns:1fr}body.work-apps .apps-card-head{grid-template-columns:72px 1fr;gap:20px}body.work-apps .apps-icon{width:72px;height:72px}body.work-apps .apps-card h3{font-size:24px}body.work-apps .apps-hero h1{font-size:40px}.app-icon-rail{gap:22px 14px;justify-content:space-between}.app-icon-rail a{width:66px}.app-icon-rail img{width:54px;height:54px;border-radius:12px}body.work-apps .apps-stats{gap:18px 25px}body.work-apps .apps-stat{gap:7px}}
@media(prefers-reduced-motion:reduce){.app-icon-rail img{transition:none}.app-icon-rail a:hover img{transform:none}}
@media print{.lab-header,.app-icon-rail{display:none!important}body.lab-work{background:white}}
body.lab-work .lab-header .lang-switch{width:auto;min-height:0;flex-shrink:0}
body.lab-work .lab-header .lab-nav{flex-wrap:nowrap}
body.work-book .subtitle,body.work-toolkit .subtitle{font-weight:500}
@media(max-width:420px){body.lab-work .lab-header .lab-nav{gap:8px}body.work-apps .lab-header .lab-nav>a:nth-child(2){font-size:0}body.work-apps .lab-header .lab-nav>a:nth-child(2)::after{content:'Apps ↓';font-size:10px}}
body.work-book .subtitle,body.work-toolkit .subtitle{max-width:38ch}
/* Study 13: explicit storefront context; quiet product navigation. */
body.work-apps .store-price-note{margin:-18px 0 34px;font-size:11px;line-height:1.7;color:var(--muted)}
body.work-apps .apps-meta .apps-chip:nth-child(2){color:var(--ink)}
body.work-apps .apps-card-actions{gap:20px}
body.work-apps .apps-card-actions a:hover{color:var(--accent);border-color:var(--accent)}
body.work-apps .apps-meta .apps-chip:nth-child(2){font-size:12px;font-weight:500}
body.work-apps .apps-card-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;width:100%;gap:18px 28px}
body.work-apps .apps-card-actions a{width:auto;min-height:36px;justify-content:flex-start;align-items:center;display:inline-flex}