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1);--rail-width: 232px;--measure: 68ch}@media(max-width:899px){:root{--fs-display: clamp(2.375rem, 1.372rem + 2.676vw, 2.875rem);--fs-h1: clamp(2.125rem, 1.122rem + 2.676vw, 2.625rem);--fs-h1-app: clamp(1.625rem, 1.123rem + 1.338vw, 1.875rem);--fs-title-lg: clamp(1.75rem, 1.248rem + 1.338vw, 2rem);--fs-h2: clamp(1.875rem, 1.122rem + 2.007vw, 2.25rem);--fs-h2-app: clamp(1.375rem, 1.124rem + .669vw, 1.5rem);--fs-h3: clamp(1.125rem, .874rem + .669vw, 1.25rem);--fs-lead: 1.0625rem;--fs-body: 1rem;--fs-reading: 1.0625rem;--fs-small: .875rem;--fs-meta: .8125rem;--fs-eyebrow: .75rem;--fs-fine: .75rem;--fs-button: 1rem;--fs-button-sm: .9375rem;--fs-tab: .75rem;--lh-display: 1.08;--lh-h1: 1.1;--lh-h1-app: 1.2;--lh-h2: 1.15;--lh-h2-app: 1.25;--lh-h3: 1.3;--lh-body: 1.55;--lh-reading: 1.6;--lh-small: 1.45;--lh-eyebrow: 1.35;--ls-display: -.025em;--ls-h1: -.02em;--ls-h2: -.015em;--ls-h3: -.01em;--ls-eyebrow: .06em;--ph-gutter: 24px;--ph-section: 64px;--ph-section-tight: 40px;--ph-block: 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var(--border-subtle);padding-block:var(--space-6);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-3)}.public__links{display:flex;flex-wrap:wrap;gap:var(--space-4);font-size:var(--text-sm)}.info-page{min-height:100vh}.disclaimer{max-width:74rem;margin:var(--space-6) auto;padding:0 var(--space-5) var(--space-8);font-size:var(--text-xs);color:var(--text-muted)}.auth{min-height:100vh;display:grid;place-items:center;padding:var(--space-5)}.auth__panel{width:100%;max-width:27rem;background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-md)}.auth__panel h1{margin:var(--space-4) 0 var(--space-4);font-size:var(--text-2xl)}.auth__panel .notice{margin-bottom:var(--space-4)}.auth__panel .btn--primary{width:100%}.auth__panel p.muted{margin-top:var(--space-4)}.field__label-row{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-3)}.field__label-row a{font-size:var(--text-xs)}.onboarding{max-width:34rem}.onboarding__body{margin:var(--space-5) 0 var(--space-6)}.choices{display:flex;flex-wrap:wrap;gap:var(--space-2)}.choice{padding:var(--space-3) var(--space-4);border:1px solid var(--border-strong);border-radius:var(--radius-pill);background:var(--surface-raised);font-size:var(--text-sm);font-weight:500;min-height:44px}.choice.is-selected{border-color:var(--violet-500);background:var(--violet-50);color:var(--violet-700);font-weight:600}.workspace{display:grid;gap:var(--space-5)}@media(min-width:1000px){.workspace{grid-template-columns:minmax(280px,26rem) 1fr;align-items:start}.workspace__prompt{position:sticky;top:var(--space-5)}}.workspace__prompt h1{font-size:var(--text-xl);margin:var(--space-2) 0 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var(--border-strong);border-radius:var(--radius-lg);background:var(--surface-raised);font-size:var(--text-lg);line-height:var(--leading-relaxed);resize:vertical;max-width:var(--measure)}.editor--short{min-height:16rem;font-size:var(--text-base)}.editor--tiny{min-height:6rem;font-size:var(--text-sm)}.save-state{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm)}.save-state--muted{color:var(--text-muted)}.save-state--success{color:var(--success-fg)}.save-state--warning{color:var(--warning-fg)}.save-state--danger{color:var(--danger-fg);font-weight:600}.clock{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--text-lg);font-weight:600;padding:var(--space-1) var(--space-3);border-radius:var(--radius-md);background:var(--surface-sunken)}.clock.is-low{background:var(--danger-bg);color:var(--danger-fg)}.passage p{font-size:var(--text-sm);line-height:var(--leading-relaxed)}.workspace--reading .workspace__prompt{max-height:80vh;overflow-y:auto}.question{padding:var(--space-4) 0;border-bottom:1px solid var(--border-subtle)}.question__text{margin-bottom:var(--space-3)}.question.is-correct{border-left:3px solid var(--success-fg);padding-left:var(--space-4)}.question.is-wrong{border-left:3px solid var(--danger-fg);padding-left:var(--space-4)}.question__result{margin-top:var(--space-3);font-size:var(--text-sm)}.question__result p{margin:var(--space-2) 0 0}.question__given{font-weight:600}.answer-body{white-space:pre-wrap;line-height:var(--leading-relaxed);font-size:var(--text-base)}.answer-body--muted{color:var(--text-secondary)}.evidence{background:var(--violet-50);border-bottom:2px solid var(--violet-500);border-radius:var(--radius-sm);padding:1px 2px;color:inherit}.priority__evidence{margin:0;padding:var(--space-3) var(--space-4);border-left:3px solid var(--violet-500);background:var(--surface-sunken);font-size:var(--text-sm);font-style:italic}.limitations summary{cursor:pointer;font-size:var(--text-sm);font-weight:600;color:var(--text-secondary)}.limitations ul{font-size:var(--text-sm);color:var(--text-secondary);margin:var(--space-2) 0}.compare{display:grid;gap:var(--space-5)}@media(min-width:900px){.compare{grid-template-columns:1fr 1fr}}.compare h4{font-size:var(--text-sm);color:var(--text-muted);margin-bottom:var(--space-2)}.card--accent{border-left:3px solid var(--violet-500)}.filters{display:flex;flex-direction:column;gap:var(--space-3)}.filters select{padding:var(--space-2) var(--space-3);border:1px solid var(--border-strong);border-radius:var(--radius-md);min-height:40px;background:var(--surface-raised)}.review{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-3)}.occurrences{font-size:var(--text-sm);color:var(--text-secondary);font-weight:600}.occurrences.is-high{color:var(--danger-fg)}.review__item h3{font-size:var(--text-base);margin:var(--space-2) 0 var(--space-3)}.review__item p.muted{margin-top:var(--space-3);font-size:var(--text-xs)}.counts{display:grid;gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.count{background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-4);display:flex;flex-direction:column;gap:2px}.count__n{font-size:var(--text-3xl);font-weight:700;line-height:1;color:var(--violet-600)}.count__label{font-weight:600;font-size:var(--text-sm)}.count .muted{font-size:var(--text-xs)}.table{width:100%;border-collapse:collapse;font-size:var(--text-sm)}.table th,.table td{text-align:left;padding:var(--space-3);border-bottom:1px solid var(--border-subtle)}.table thead th{color:var(--text-muted);font-weight:600}.table tbody th{text-transform:capitalize}.issues{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-2);font-size:var(--text-sm)}.issues strong{text-transform:capitalize}.attempts{list-style:none;margin:0;padding:0}.attempts__row{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap;padding:var(--space-3) 0;border-bottom:1px solid var(--border-subtle)}.attempts__link{background:none;border:0;padding:0;color:var(--text-accent);font-weight:600;text-align:left}.lesson section h2{font-size:var(--text-lg);margin-bottom:var(--space-2)}.eyebrow{display:block;color:var(--violet-600);font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:var(--space-2)}.eyebrow--light{color:var(--cyan-100)}.public--expanded{max-width:none;padding:0;overflow:hidden}.public--expanded .public__bar,.public--expanded .public__foot{max-width:78rem;margin:auto;padding-inline:var(--space-5)}.public-nav{display:none;gap:var(--space-5)}.public-nav a{color:var(--text-primary);font-size:var(--text-sm);font-weight:600;text-decoration:none}@media(min-width:820px){.public-nav{display:flex}}.btn--light{background:var(--brand-warm-white);color:var(--navy-900);text-decoration:none}.btn--dark-ghost{border-color:var(--navy-500);color:var(--text-on-inverse);text-decoration:none}.hero-proof{display:flex;gap:var(--space-5);flex-wrap:wrap;margin-top:var(--space-7);color:var(--text-on-inverse-muted);font-size:var(--text-xs)}.hero-proof span{display:flex;align-items:center;gap:var(--space-2)}.hero-proof b{font-size:var(--text-xl);color:var(--text-on-inverse)}.product-stage{position:relative;min-height:31rem;perspective:1200px}.stage-card{position:absolute;background:var(--surface-raised);color:var(--text-primary);border-radius:var(--radius-xl);box-shadow:0 30px 80px #00000052}.stage-card--main{width:min(100%,29rem);right:1rem;top:2rem;padding:var(--space-6);transform:rotateY(-6deg) rotateX(2deg)}.stage-top{display:flex;align-items:center;gap:var(--space-3);border-bottom:1px solid var(--border-subtle);padding-bottom:var(--space-4);margin-bottom:var(--space-6);font-weight:700}.stage-top i{width:8px;height:8px;border-radius:50%;background:var(--brand-cyan);margin-left:auto;box-shadow:0 0 14px var(--brand-cyan)}.mini-logo{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--gradient-brand);color:#fff}.stage-kicker{color:var(--violet-600);font-size:.65rem;font-weight:800;letter-spacing:.12em}.stage-card--main h3{margin:var(--space-2) 0;font-size:var(--text-xl)}.stage-card--main p{color:var(--text-muted);font-size:var(--text-sm)}.stage-progress{height:6px;background:var(--surface-track);border-radius:99px;overflow:hidden;margin:var(--space-5) 0}.stage-progress span{display:block;width:68%;height:100%;background:var(--gradient-brand)}.stage-card--main button{width:100%;border:0;border-radius:var(--radius-md);padding:var(--space-3);background:var(--navy-800);color:#fff;font-weight:700}.stage-card--score{left:0;bottom:2rem;padding:var(--space-4) var(--space-5);transform:rotate(-3deg)}.stage-card--score small,.stage-card--coach small{font-size:.62rem;letter-spacing:.12em;color:var(--text-muted)}.stage-card--score strong{display:block;font-size:var(--text-3xl);color:var(--violet-600)}.stage-card--score strong span{font-size:var(--text-base);color:var(--text-muted)}.stage-card--score p{font-size:var(--text-xs);margin:0}.stage-card--coach{right:-1rem;bottom:0;width:19rem;padding:var(--space-4);display:flex;align-items:center;gap:var(--space-3)}.stage-card--coach p{font-size:var(--text-xs);margin:2px 0 0}.stage-ring{position:absolute;top:0;left:1rem;width:6rem;height:6rem;border-radius:50%;border:7px solid var(--brand-cyan);display:grid;place-items:center;align-content:center;background:var(--navy-800);box-shadow:var(--shadow-lg)}.stage-ring span{font-size:var(--text-xl);font-weight:800}.stage-ring small{font-size:.55rem;letter-spacing:.12em;color:var(--text-on-inverse-muted)}.ai-orb{flex:none;display:inline-block;width:34px;height:34px;border-radius:50%;background:conic-gradient(from 40deg,var(--brand-cyan),var(--brand-violet),var(--brand-cyan));box-shadow:0 0 22px #21c7e840}@media(min-width:960px){.product-stage{min-height:34rem}}@media(max-width:600px){.product-stage{min-height:27rem}.stage-card--main{right:0}.stage-card--score{display:none}.stage-card--coach{right:0;width:17rem}.hero-proof{gap:var(--space-3)}}.skills-showcase,.journey-section{max-width:78rem;margin:auto;padding:var(--space-9) var(--space-5)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:var(--space-5);margin-bottom:var(--space-6)}.section-heading h2{font-size:clamp(2rem,4vw,3.4rem);max-width:15ch}.section-heading>p{color:var(--text-secondary);max-width:42ch}.skill-grid{display:grid;gap:var(--space-4)}.skill-tile{position:relative;overflow:hidden;min-height:20rem;padding:var(--space-5);border-radius:var(--radius-xl);background:var(--surface-raised);border:1px solid var(--border-subtle);display:flex;flex-direction:column;justify-content:flex-end;transition:transform var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out)}.skill-tile:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.skill-tile__number{position:absolute;top:var(--space-4);left:var(--space-4);font-size:var(--text-xs);font-weight:800;color:var(--text-muted)}.skill-tile h3{font-size:var(--text-2xl)}.skill-tile p{font-size:var(--text-sm);color:var(--text-secondary)}.skill-tile a{text-decoration:none;font-weight:700;font-size:var(--text-sm)}.skill-wave{position:absolute;width:13rem;height:13rem;right:-4rem;top:-3rem;border-radius:42% 58% 65% 35%;background:var(--gradient-brand);opacity:.25;transform:rotate(25deg)}.skill-tile--cyan .skill-wave{opacity:.32}.skill-tile--blue .skill-wave{transform:rotate(62deg)}.skill-tile--mint .skill-wave{opacity:.18;transform:rotate(110deg)}@media(min-width:760px){.skill-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1100px){.skill-grid{grid-template-columns:repeat(4,1fr)}}.platform-section{max-width:86rem;margin:auto;padding:var(--space-8) max(var(--space-5),calc((100vw - 78rem)/2));display:grid;gap:var(--space-7);background:var(--navy-800);color:var(--text-on-inverse);border-radius:var(--radius-xl)}.platform-copy h2{font-size:clamp(2.2rem,4vw,4rem);max-width:12ch}.platform-copy p{color:var(--text-on-inverse-muted);margin:var(--space-4) 0 var(--space-5)}.capability-grid{display:grid;gap:1px;background:var(--navy-600);border:1px solid var(--navy-600)}.capability-grid article{padding:var(--space-5);background:var(--navy-700)}.capability-grid article>span{font-size:.62rem;letter-spacing:.1em;color:var(--brand-cyan)}.capability-grid h3{font-size:var(--text-base);margin:var(--space-3) 0 var(--space-2)}.capability-grid p{font-size:var(--text-xs);color:var(--text-on-inverse-muted)}@media(min-width:900px){.platform-section{grid-template-columns:.85fr 1.15fr}.capability-grid{grid-template-columns:repeat(2,1fr)}}.journey-line{display:grid;gap:var(--space-4)}.journey-line article{position:relative;padding:var(--space-5);background:var(--surface-raised);border-radius:var(--radius-lg);border:1px solid var(--border-subtle)}.journey-line article>span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy-800);color:#fff;font-size:var(--text-sm);font-weight:800;margin-bottom:var(--space-4)}.journey-line h3{font-size:var(--text-lg)}.journey-line p{font-size:var(--text-sm);color:var(--text-secondary);margin-top:var(--space-2)}@media(min-width:850px){.journey-line{grid-template-columns:repeat(4,1fr)}.journey-line article:not(:last-child):after{content:"→";position:absolute;right:-1.1rem;top:2rem;z-index:2;color:var(--violet-500);font-weight:800}}.home-cta{max-width:78rem;margin:0 auto var(--space-8);padding:var(--space-8);border-radius:var(--radius-xl);background:var(--gradient-brand);color:#fff;text-align:center;display:grid;justify-items:center}.home-cta h2{font-size:clamp(2.1rem,5vw,4.5rem);max-width:14ch}.home-cta p{margin:var(--space-4) 0 var(--space-5);font-size:var(--text-lg)}.nav-icon,.tabbar__icon{display:grid;place-items:center;width:24px;height:24px;border:1px solid currentColor;border-radius:8px;font-size:.6rem;font-weight:800}.rail__link{display:flex;align-items:center;gap:var(--space-3)}.tabbar__link{flex-direction:column;gap:3px}.tabbar__icon{width:21px;height:21px}.page-hero,.dashboard-head{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:var(--space-7);background:var(--navy-800);color:var(--text-on-inverse);display:flex;justify-content:space-between;align-items:center;gap:var(--space-6)}.page-hero h1,.dashboard-head h1{font-size:clamp(2rem,5vw,3.5rem);max-width:17ch}.page-hero p,.dashboard-head p{color:var(--text-on-inverse-muted);margin-top:var(--space-3)}.page-hero:after{content:"";position:absolute;width:18rem;height:18rem;border-radius:50%;background:var(--gradient-brand);filter:blur(70px);opacity:.35;right:-5rem;top:-8rem}.page-hero>*{position:relative;z-index:1}.practice-total{display:grid;place-items:center;text-align:center;min-width:9rem;aspect-ratio:1;border:1px solid var(--navy-500);border-radius:50%;background:#ffffff0a}.practice-total strong{font-size:var(--text-3xl)}.practice-total span{font-size:var(--text-xs);color:var(--text-on-inverse-muted);max-width:8ch}.launch-panel{border-radius:var(--radius-xl);padding:var(--space-6);background:var(--violet-50);border:1px solid var(--violet-100);display:flex;justify-content:space-between;align-items:center;gap:var(--space-5)}.launch-panel p{color:var(--text-secondary)}.course-orbit{width:11rem;aspect-ratio:1;border:1px solid var(--navy-500);border-radius:50%;display:grid;place-items:center;position:relative}.course-orbit span{font-weight:800}.course-orbit i{position:absolute;font-size:.55rem;font-style:normal;letter-spacing:.08em;color:var(--brand-cyan)}.course-orbit i:nth-of-type(1){top:8px}.course-orbit i:nth-of-type(2){right:-18px}.course-orbit i:nth-of-type(3){bottom:8px}.course-orbit i:nth-of-type(4){left:-16px}.course-grid{display:grid;gap:var(--space-4)}.course-card{position:relative;overflow:hidden;min-height:17rem;padding:var(--space-5);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);background:var(--surface-raised);display:flex;flex-direction:column;align-items:flex-start}.course-card__art{width:8rem;height:8rem;border-radius:45% 55% 60% 40%;background:var(--gradient-brand);opacity:.18;position:absolute;right:-1rem;top:-1rem}.course-card h3{margin-top:auto}.course-card p{font-size:var(--text-sm);color:var(--text-secondary)}@media(min-width:720px){.course-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1080px){.course-grid{grid-template-columns:repeat(4,1fr)}}.video-strip{display:grid;gap:var(--space-6);align-items:center;border-radius:var(--radius-xl);padding:var(--space-6);background:var(--navy-800);color:var(--text-on-inverse)}.video-strip__art{min-height:14rem;border-radius:var(--radius-lg);background:radial-gradient(circle 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p{font-size:var(--text-sm);color:var(--text-muted);margin:0}@media(max-width:720px){.page-hero,.dashboard-head,.launch-panel{padding:var(--space-5);align-items:flex-start;flex-direction:column}.course-orbit,.practice-total,.mock-clock{display:none}.section-heading{align-items:flex-start;flex-direction:column}.home-cta{margin-inline:var(--space-4);padding:var(--space-7) var(--space-5)}}.state{padding:var(--space-6);text-align:center}.state--empty,.state--error{background:var(--surface-raised);border:1px dashed var(--border-strong);border-radius:var(--radius-lg)}.state h3{margin-bottom:var(--space-2)}.state p{margin-inline:auto;color:var(--text-secondary)}.state--error{border-style:solid;border-color:var(--danger-fg)}.state--loading{color:var(--text-muted)}.shell__main>.rx-route:has(>.state--loading:only-child,>.page>.state--loading:only-child){min-height:100vh;min-height:100dvh}.email-confirm-banner{display:flex;gap:12px;align-items:flex-start;margin:0 0 var(--space-4);overflow-wrap:anywhere}.email-confirm-banner>svg{flex:none;margin-top:2px}.email-confirm-banner .row{display:flex;flex-wrap:wrap;gap:8px}.ph-taskslot{display:none;top:0}@media(min-width:900px){.rail-legal{display:none}}.legal-help__list{display:grid;max-width:640px;border:1px solid var(--border-subtle);border-radius:16px;background:var(--surface-raised);overflow:hidden}.legal-help__row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;min-height:56px;padding:12px 16px;color:inherit;text-decoration:none;font-weight:600}.legal-help__row+.legal-help__row{border-top:1px solid var(--border-subtle)}.legal-help__row:hover{background:var(--surface-sunken)}.legal-help__row svg{color:var(--text-accent)}.legal-help .ph-trademark,.legal-help__company{max-width:640px;margin:16px 0 0;font-size:.8rem;line-height:1.5;color:var(--text-muted)}[dir=rtl] .ph-dir-icon,[dir=rtl] :is(.site-actions .btn,.mobile-nav__actions 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.option__icon{color:var(--danger-fg)}fieldset:disabled .option{cursor:default}.check-result{outline:none;padding:var(--space-4);border-radius:var(--radius-md);background:var(--surface-sunken)}.check-result__score{margin:0}.practice-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-2)}.practice-list__item{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;padding:var(--space-3) var(--space-4);border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-raised)}.practice-list__item>div{display:grid;min-width:0}.lesson-foot{padding-top:var(--space-5);border-top:1px solid var(--border-subtle)}.step-nav{display:grid;gap:var(--space-3)}@media(min-width:640px){.step-nav{grid-template-columns:1fr 1fr}}.step-link{display:grid;gap:2px;padding:var(--space-3) var(--space-4);min-height:44px;border:1px solid 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