/* Shared learner navigation and guided learning. Uses the existing theme tokens. */
[hidden]{display:none!important}a,button,input,select,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--brand);outline-offset:4px}button,a.button{min-height:44px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}h1,h2,h3,p{overflow-wrap:break-word}h1{line-height:1.08;letter-spacing:-.05em}.skip-link{position:fixed;top:8px;left:12px;z-index:100;transform:translateY(-160%);background:var(--card);padding:12px;border:2px solid var(--brand)}.skip-link:focus{transform:none}.navlinks{gap:22px}.nav{gap:20px}.navlinks .theme-toggle{flex-shrink:0}.nq-hero{background:linear-gradient(125deg,rgba(8,127,112,.07),transparent 65%);border-bottom:1px solid var(--line);padding:68px 0 62px}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;align-items:center}.nq-hero h1{font-size:clamp(2.6rem,4.5vw,4.3rem);margin:14px 0 22px;max-width:650px;font-weight:750}.nq-hero h1 em{font-style:normal;color:var(--brand)}.hero-description{color:var(--muted);font-size:1.12rem;max-width:560px}.hero-note{font-size:.85rem;color:var(--muted);margin-top:20px}.hero-actions .button{gap:16px}.hero-preview{min-width:0;background:var(--card);border:1px solid var(--line);padding:20px;border-radius:24px;box-shadow:var(--shadow)}.hero-preview>.eyebrow{margin:0 0 12px}.hero-preview .journey-demo{box-shadow:none;margin:0}.hero-preview .journey-scene{min-height:150px}.hero-preview .journey-copy h3{font-size:1.2rem}.preview-link{display:block;font-size:.85rem;color:var(--brand);font-weight:700;padding-top:14px}.nq-section{padding-top:60px;padding-bottom:60px}.nq-section h2,.section-heading h2{font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.2;letter-spacing:-.04em;margin:10px 0 15px}.method-header{max-width:650px}.method-header>p:last-child,.nq-section p,.intro-band>p,.path-top>p{color:var(--muted)}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin-top:34px}.method-grid>div{border-top:2px solid var(--line);padding-top:18px}.method-grid span{font-size:.7rem;letter-spacing:.12em;font-weight:750;color:var(--brand)}.method-grid h3{font-size:1.1rem;margin:12px 0 8px}.method-grid p{font-size:.94rem;margin:0}.path-section,.library-strip{background:var(--card);border-block:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:25px}.section-heading>div{max-width:730px}.section-heading>a{flex-shrink:0;color:var(--brand);font-weight:700}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.path-card{display:flex;flex-direction:column;align-items:flex-start;padding:27px;border:1px solid var(--line);border-radius:18px;background:var(--card);text-decoration:none;transition:transform .15s,border-color .15s}.path-card:hover{transform:translateY(-3px);border-color:var(--brand)}.path-icon{font-size:1.8rem;color:var(--brand);width:52px;height:52px;border:1px solid var(--line);border-radius:13px;display:grid;place-items:center;margin-bottom:22px}.path-card>.eyebrow{font-size:.65rem;letter-spacing:.06em}.path-card h3{font-size:1.45rem;line-height:1.2;letter-spacing:-.04em;margin:12px 0}.path-card p{font-size:.94rem;flex:1;margin:0 0 24px}.path-link{color:var(--brand);font-weight:750;display:flex;width:100%;justify-content:space-between}.path-card small{font-size:.76rem;color:var(--muted);margin-top:12px}.quiet{font-size:.85rem;color:var(--muted)}.utility-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px}.utility-grid>div+div{border-left:1px solid var(--line);padding-left:50px}.intro-band{padding-top:60px;max-width:1160px}.intro-band h1{font-size:clamp(2.5rem,5vw,3.9rem);margin:16px 0 24px}.intro-band>p{max-width:740px}.progress-note{border:1px solid var(--line);border-radius:18px;padding:24px;margin-top:36px;background:var(--card)}.progress-note h2{font-size:1.3rem}.path-top{padding-top:36px;padding-bottom:32px}.path-top>a{color:var(--brand);font-size:.88rem}.path-top .eyebrow{margin-top:28px}.path-top h1{font-size:clamp(2rem,5vw,3.5rem);margin:12px 0}.path-top>p{max-width:800px}.path-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:45px;padding-bottom:70px;align-items:start}.path-sidebar{position:sticky;top:100px;border:1px solid var(--line);border-radius:16px;padding:18px;background:var(--card)}.path-sidebar nav{display:grid;gap:8px}.path-sidebar a{padding:12px;border-radius:8px;text-decoration:none;display:block}.path-sidebar a[aria-current]{background:rgba(8,127,112,.1);color:var(--brand)}.path-sidebar a>span{margin-right:8px;font-size:.8rem}.path-sidebar small{display:block;font-size:.72rem;margin-left:28px;color:var(--muted)}.path-sidebar>p{font-size:.82rem}.path-sidebar progress{width:100%;accent-color:var(--brand)}.path-lesson,.path-complete{padding:30px;background:var(--card);border:1px solid var(--line);border-radius:18px;min-width:0}.path-lesson>h2,.path-complete h2{font-size:clamp(1.7rem,3vw,2.35rem);letter-spacing:-.04em;line-height:1.2;margin:12px 0 20px;scroll-margin-top:105px}.lesson-idea{font-size:1.15rem;color:var(--muted)}.try-prompt{margin:28px 0;padding:20px;border-left:3px solid var(--brand);background:rgba(8,127,112,.05)}.try-prompt p{margin:8px 0}.try-prompt p:last-child{font-size:.88rem;color:var(--muted)}.path-lesson .journey-demo,.path-lesson .cache-demo{margin:20px 0}.path-check{padding:24px;margin-top:30px;border:1px solid var(--line);border-radius:15px;background:var(--paper)}.path-check h3{line-height:1.45;font-size:1.05rem}.answer-options{display:grid;gap:10px}.answer-options button{font:inherit;text-align:left;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:9px;padding:14px}.answer-options button:hover{border-color:var(--brand)}.answer-options [data-answer-state=correct]{border:2px solid var(--brand);background:rgba(8,127,112,.08)}.answer-options [data-answer-state=retry]{border:2px solid #b85d23}.path-check [role=status]{font-size:.92rem;min-height:3rem}.takeaway{padding-top:14px}.deep-link{border-top:1px solid var(--line);padding:16px 0}.deep-link a{color:var(--brand)}.lesson-actions{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:12px}.lesson-actions a{font-size:.85rem}.path-complete textarea{display:block;width:100%;padding:14px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);font:inherit;margin-top:10px}.path-lesson .learn-playground{margin-inline:0}.footer a{display:inline-block;padding-block:5px}.nq-section a.button.secondary{color:var(--ink)}
@media(max-width:1000px){.hero-grid{gap:28px}.navlinks{gap:14px}.path-layout{gap:24px;grid-template-columns:200px minmax(0,1fr)}.path-lesson{padding:23px}.brand{font-size:1rem}.path-card{padding:22px}}
@media(max-width:760px){.shell{width:calc(100% - 32px)}.nav{flex-wrap:wrap;padding:12px 0;gap:8px}.brand{font-size:1.05rem}.navlinks{flex:1 1 100%;justify-content:space-between;gap:8px;font-size:.8rem;flex-wrap:nowrap}.navlinks>a{padding-block:7px}.navlinks .theme-toggle{min-width:36px;padding:7px}.navlinks .theme-toggle [data-theme-label]{display:none}.hero-grid{grid-template-columns:1fr}.nq-hero{padding:38px 0}.nq-hero h1{font-size:2.7rem}.hero-preview{padding:15px}.method-grid{grid-template-columns:1fr;gap:24px}.nq-section{padding-top:38px;padding-bottom:38px}.path-grid{grid-template-columns:1fr}.path-card{padding:24px}.path-icon{margin-bottom:15px}.utility-grid{grid-template-columns:1fr;gap:35px}.utility-grid>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:28px}.section-heading{display:block}.section-heading>a{display:inline-flex;margin-top:10px}.path-layout{grid-template-columns:1fr;gap:20px}.path-sidebar{position:static;padding:12px}.path-sidebar nav{grid-template-columns:repeat(3,1fr);gap:4px}.path-sidebar a{font-size:.78rem;padding:8px}.path-sidebar a>span{display:block}.path-sidebar small{margin-left:0;font-size:.65rem}.path-sidebar>p{margin:8px 4px}.path-lesson,.path-complete{padding:20px}.lesson-actions{align-items:stretch;flex-direction:column}.lesson-actions .button{width:100%}.path-check{padding:16px}.intro-band{padding-top:34px}.path-top{padding-top:25px}.path-lesson>h2{scroll-margin-top:140px}.hero-actions{gap:10px}.hero-actions .button{padding:11px 15px}.menu-panel{right:0;left:auto}.library-strip .button{margin-top:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.topbar,.footer,.path-sidebar,.lesson-actions,.hero-actions,button,.deep-link{display:none!important}.path-layout{display:block}.path-lesson{display:block!important;break-after:page}.path-lesson[hidden]{display:block!important}.path-complete[hidden]{display:none!important}.shell{width:100%}body{background:white;color:black}.path-lesson{border:0}.path-check{break-inside:avoid}}
.guided-context{max-width:1160px;margin:24px auto 0;padding:18px 24px;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;background:var(--card);display:flex;gap:12px 24px;align-items:center;flex-wrap:wrap}.guided-context strong{font-size:.9rem}.guided-context span{color:var(--muted);font-size:.82rem;flex:1}.guided-context a{font-size:.85rem;color:var(--brand);font-weight:750}@media(max-width:760px){.guided-context{margin:18px 16px 0;padding:16px;display:grid;gap:8px}}.footer-inner{gap:14px;flex-wrap:wrap}html[data-theme=dark] .nq-hero h1 em,html[data-theme=dark] .path-link,html[data-theme=dark] .path-icon{color:var(--brand)}
/* Keep the primary learning route visible; legacy layouts hid their first nav item. */
.navlinks>a[href="/start/"]{display:inline-flex!important;align-items:center;min-height:44px}
.navlinks>a{display:inline-flex!important;align-items:center;min-height:44px}
.menu-dropdown summary{min-height:44px;display:flex;align-items:center}.lesson-actions>[data-path-next]:only-child{margin-left:auto}