.lab{--lab-bg:#eef3f2;--lab-card:#fffdf8;--lab-ink:#17394b;--lab-muted:#546977;--lab-accent:#25678b;--lab-border:#cedbdc;background:var(--lab-bg);color:var(--lab-ink);min-height:85vh;padding:72px max(5vw,20px) 100px;font-family:Manrope,system-ui,sans-serif}.lab.business-lab{--lab-bg:#161310;--lab-card:#261f19;--lab-ink:#fff2e2;--lab-muted:#c8b9a8;--lab-accent:#ffad57;--lab-border:#514132}.lab-head{max-width:1180px;margin:0 auto 40px;display:flex;align-items:flex-end;justify-content:space-between;gap:30px}.lab-kicker{font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--lab-accent);display:block;margin-bottom:15px}.lab h2{font-family:Georgia,serif;font-weight:400;letter-spacing:-.055em;line-height:1.05;font-size:clamp(2.8rem,5vw,5rem);margin:0 0 18px}.business-lab h2{font-family:Manrope,system-ui,sans-serif;font-weight:500;letter-spacing:-.065em}.lab h3{font-size:clamp(1.4rem,2.2vw,2rem);letter-spacing:-.04em;line-height:1.2;margin:0 0 18px;font-weight:550}.lab h4{font-size:1.1rem;margin:20px 0 10px}.lab p{line-height:1.65;color:var(--lab-muted);margin:0 0 18px}.lab-head p{max-width:650px;font-size:1.1rem}.lab button,.lab select,.lab input,.lab textarea{font:inherit}.lab button,.lab-link{cursor:pointer;border:1px solid var(--lab-border);border-radius:40px;padding:11px 19px;background:transparent;color:var(--lab-ink);font-weight:600;text-decoration:none;display:inline-block;line-height:1.4}.lab button:hover,.lab-link:hover{border-color:var(--lab-accent);background:color-mix(in srgb,var(--lab-accent) 12%,transparent)}.lab button:disabled{opacity:.45;cursor:default}.lab button:focus-visible,.lab a:focus-visible,.lab input:focus-visible,.lab textarea:focus-visible,.lab select:focus-visible{outline:3px solid var(--lab-accent);outline-offset:4px}.lab .primary{background:var(--lab-accent);color:var(--lab-bg);border-color:var(--lab-accent)}.lab-tabs{max-width:1180px;margin:0 auto 35px;display:flex;flex-wrap:wrap;gap:8px}.lab-tabs button[aria-selected=true]{background:var(--lab-ink);color:var(--lab-bg);border-color:var(--lab-ink)}.lab-panel{max-width:1180px;margin:auto;animation:lab-enter .45s both}.lab-panel[hidden]{display:none}.lab-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:24px}.lab-card{background:var(--lab-card);border:1px solid var(--lab-border);border-radius:24px;padding:clamp(24px,3vw,40px);min-width:0}.lab label{display:block;font-size:.88rem;font-weight:650;color:var(--lab-ink);margin:0 0 18px}.lab input:not([type=range]):not([type=checkbox]),.lab select,.lab textarea{width:100%;padding:13px;border:1px solid var(--lab-border);border-radius:10px;background:var(--lab-bg);color:var(--lab-ink);margin-top:8px;box-sizing:border-box}.lab textarea{min-height:100px;resize:vertical}.lab input[type=range]{width:100%;accent-color:var(--lab-accent);margin-top:15px}.lab-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.lab-status{margin-top:20px!important;min-height:28px;font-weight:550;color:var(--lab-ink)!important}.sentence-target{font-family:Georgia,serif;font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.3;margin:20px 0 28px}.word-bank,.word-answer{display:flex;flex-wrap:wrap;gap:10px;min-height:76px;align-content:flex-start;padding:18px;border-radius:16px}.word-answer{border:1px dashed var(--lab-accent);background:var(--lab-bg);margin-bottom:18px}.word-bank button,.word-answer button{border-radius:10px;background:var(--lab-card);box-shadow:0 3px 0 var(--lab-border);font-size:1.1rem}.word-bank{padding:8px 0}.lab-small{font-size:.82rem!important}.lab-unit-list{display:grid;gap:8px}.lab-unit-list button{text-align:left;border-radius:12px;display:flex;gap:15px}.lab-unit-list button[aria-pressed=true]{border-color:var(--lab-accent);background:var(--lab-bg)}.lab-vocab{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--lab-border);border:1px solid var(--lab-border);border-radius:12px;overflow:hidden;margin:20px 0}.lab-vocab div{background:var(--lab-card);padding:13px;font-size:.88rem}.lab-vocab small{display:block;color:var(--lab-muted);margin-top:5px}.lab-model{padding:22px;border-left:3px solid var(--lab-accent);background:var(--lab-bg);line-height:1.9;margin:20px 0}.lab-quiz fieldset{border:0;border-top:1px solid var(--lab-border);padding:22px 0;margin:0}.lab-quiz legend{font-weight:600;padding-top:20px}.lab-quiz button{margin:8px 5px 0 0;font-size:.86rem}.lab-quiz .selected{border-color:var(--lab-accent);background:var(--lab-bg)}.lab-quiz .answer-note{font-size:.9rem;margin-top:12px}.dialogue-log{min-height:240px;max-height:460px;overflow:auto;display:flex;flex-direction:column;gap:15px;margin-bottom:20px}.dialogue-bubble{background:var(--lab-bg);padding:18px 22px;border-radius:20px 20px 20px 4px;max-width:90%;line-height:1.55}.dialogue-bubble.you{align-self:flex-end;background:var(--lab-accent);color:var(--lab-bg);border-radius:20px 20px 4px 20px}.dialogue-bubble small{display:block;color:var(--lab-muted);font-size:.76rem;margin-top:5px}.lab-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:24px}.lab-metric{padding:22px 18px;border:1px solid var(--lab-border);border-radius:16px}.lab-metric small{display:block;color:var(--lab-muted);margin-bottom:10px}.lab-metric strong{font-size:clamp(1.4rem,2.7vw,2.4rem);font-weight:500;letter-spacing:-.05em}.profit-svg{width:100%;height:auto;overflow:visible}.profit-legend{display:flex;flex-wrap:wrap;gap:20px;font-size:.8rem;margin:15px 0}.profit-legend span:before{content:'';display:inline-block;width:16px;height:3px;background:var(--line);vertical-align:middle;margin-right:7px}.canvas-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.canvas-grid label{padding:22px;border:1px solid var(--lab-border);border-radius:16px;margin:0}.canvas-grid small{display:block;color:var(--lab-muted);font-weight:400;line-height:1.5;margin:10px 0}.canvas-grid textarea{min-height:120px}.canvas-grid label.active-step{border-color:var(--lab-accent);box-shadow:0 0 0 1px var(--lab-accent)}.pitch-clock{font-size:clamp(4rem,9vw,7rem);letter-spacing:-.08em;font-variant-numeric:tabular-nums;line-height:1.1;margin:24px 0;color:var(--lab-accent)}.pitch-rubric label{display:flex;gap:12px;align-items:start;font-weight:400;line-height:1.5}.pitch-rubric input{margin-top:5px;accent-color:var(--lab-accent)}.challenge-options{display:grid;gap:12px}.challenge-options button{border-radius:14px;padding:20px;text-align:left;font-weight:500}.challenge-options button strong{display:block;color:var(--lab-accent);margin-bottom:5px}.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.culture-story{overflow:hidden;padding:0}.culture-story img{width:100%;height:330px;object-fit:cover;display:block}.culture-story .story-body{padding:30px}.culture-story figure{margin:0}.culture-story figcaption{font-size:.7rem;padding:10px 20px;color:var(--lab-muted);line-height:1.6}.lab a{color:var(--lab-accent)}.culture-map{width:100%;height:260px;border:0;border-radius:14px;margin:18px 0}.lab-home-link{display:block;margin:60px 6vw;padding:clamp(30px,6vw,70px);background:#e5ede9;color:#17394b;text-decoration:none;border-radius:22px;transition:transform .4s,box-shadow .4s}.lab-home-link:hover{transform:translateY(-5px);box-shadow:0 20px 50px #18394915}.lab-home-link small{letter-spacing:.13em;font-weight:700}.lab-home-link h2{font-size:clamp(2.3rem,5vw,4.5rem);letter-spacing:-.05em;font-family:Georgia,serif;margin:20px 0}.lab-home-link p{max-width:650px;line-height:1.6;font-size:1.15rem}.lab-home-link span{display:block;font-weight:650;margin-top:25px}html[data-profile=business] .lab-home-link{background:#30231b;color:#fff2e2}html[data-profile=business] .lab-home-link h2{font-family:Manrope,system-ui,sans-serif;font-weight:500}html[data-profile=business] .lab-home-link span{color:#ffad57}.lab-banner{margin:24px 0 38px;padding:20px;border:1px solid var(--lab-border);border-radius:15px;display:flex;align-items:center;justify-content:space-between;gap:20px}.lab-banner p{margin:0}.lab details{border-top:1px solid var(--lab-border);padding-top:18px;margin-top:25px}.lab summary{cursor:pointer;font-weight:650}.lab details p{margin-top:18px}@keyframes lab-enter{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:none}}@media(max-width:850px){.lab-grid,.story-grid{grid-template-columns:1fr}.canvas-grid{grid-template-columns:1fr 1fr}.lab-head{display:block}.lab{padding-top:40px}.lab-tabs{gap:7px}.lab-tabs button{font-size:.82rem;padding:9px 13px}.lab-head h2{font-size:3rem}.lab-banner{align-items:start;flex-direction:column}.lab-metric{padding:15px 10px}.lab-metric small{font-size:.75rem}.lab-vocab{grid-template-columns:1fr 1fr}#siteNav .nav-links{gap:15px}}@media(max-width:520px){.canvas-grid{grid-template-columns:1fr}.lab-card{padding:23px}.lab-metrics{gap:6px}.lab-metric strong{font-size:1.35rem}.culture-story .story-body{padding:23px}}@media(prefers-reduced-motion:reduce){.lab-panel{animation:none}.lab-home-link{transition:none}}
@font-face{font-family:Manrope;src:url('/fonts/manrope-400.ttf') format('truetype');font-weight:400;font-display:swap}@font-face{font-family:Manrope;src:url('/fonts/manrope-600.ttf') format('truetype');font-weight:600;font-display:swap}.lab-entry{margin:28px 0!important;font-size:1rem}.lab-entry a{color:var(--accent);font-weight:600}#siteNav .nav-links{gap:15px}#siteNav{flex-wrap:wrap}#siteNav .nav-links{flex-wrap:wrap}@media(max-width:1150px){#siteNav{padding-top:10px;padding-bottom:10px;height:auto;gap:12px}#siteNav .nav-links{font-size:.8rem;gap:12px}}
.curr-body h3 a{color:inherit;text-decoration:none}.curr-body h3 a:hover{color:#25678b;text-decoration:underline;text-underline-offset:5px}.lab-card output{float:right;color:var(--lab-accent);font-variant-numeric:tabular-nums}.lab-panel a.lab-link{color:var(--lab-ink)}

/* The Business lab uses warm charcoal, copper and amber throughout. */
html[data-profile=business] .lab-home-link{background:linear-gradient(125deg,#3c2b20,#271e18);color:#fff2e2;border:1px solid #745135}
.lab.business-lab{--lab-bg:#161310;--lab-card:#261f19;--lab-ink:#fff2e2;--lab-muted:#c8b9a8;--lab-accent:#ffad57;--lab-border:#514132}