html:has(.landing-page){scroll-behavior:smooth;scroll-padding-top:112px}html:has(.landing-page.is-nav-open){overflow:hidden}@media (prefers-reduced-motion:reduce){html:has(.landing-page){scroll-behavior:auto}}.landing-page :where(h1,h2,h3,h4,p,ul,ol,figure){margin:revert}.landing-page :where(h1,h2,h3,h4){font-size:revert;font-weight:revert;letter-spacing:normal;color:inherit;line-height:inherit}.landing-page :where(button,input){border:revert;background:revert;padding:revert}.landing-page :where(ul,ol){padding:revert;list-style:revert}.landing-page{--violet:#3221b3;--violet-dark:#211570;--violet-soft:#e8e4ff;--lime:#e6ea9c;--lime-strong:#dbe568;--pink:#f0e4e0;--paper:#f7f4ef;--white:#fffdf9;--ink:#17151c;--ink-soft:#5e5967;--line:#17151c29;--line-strong:#17151c47;--shadow:0 24px 80px #251a5321;--radius-xl:34px;--radius-lg:26px;--radius-md:18px;--radius-sm:12px;--container:1240px;--header-height:84px;--ease:cubic-bezier(.2,.75,.2,1)}.landing-page *{box-sizing:border-box}.landing-page{color:var(--ink);background:var(--paper);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.5}.landing-page.is-nav-open{overflow:hidden}.landing-page button,.landing-page input,.landing-page textarea{font:inherit}.landing-page button,.landing-page a{-webkit-tap-highlight-color:transparent}.landing-page a{color:inherit;text-decoration:none}.landing-page img,.landing-page svg{max-width:100%;display:block}.landing-page button{color:inherit}.landing-page ::selection{background:var(--lime);color:var(--ink)}.landing-page .sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.landing-page .skip-link{z-index:1000;background:var(--ink);color:#fff;border-radius:8px;padding:10px 14px;transition:transform .2s;position:fixed;top:12px;left:16px;transform:translateY(-150%)}.landing-page .skip-link:focus{transform:translateY(0)}.landing-page .container{width:min(calc(100% - 48px), var(--container));margin-inline:auto}.landing-page .hero>.container{width:min(calc(100% - 48px), var(--container))}.landing-page .scroll-progress{z-index:1200;pointer-events:none;height:3px;position:fixed;inset:0 0 auto}.landing-page .scroll-progress span{background:var(--violet);transform-origin:0;width:100%;height:100%;display:block;transform:scaleX(0)}.landing-page .site-header{z-index:500;height:var(--header-height);align-items:center;transition:background .25s,border-color .25s,box-shadow .25s;display:flex;position:fixed;inset:0 0 auto}.landing-page .site-header.is-scrolled{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(18px);background:#f7f4efe6;box-shadow:0 8px 30px #2319460a}.landing-page .header-inner{justify-content:space-between;align-items:center;gap:28px;display:flex}.landing-page .brand{letter-spacing:-.04em;align-items:center;gap:10px;font-weight:800;display:inline-flex}.landing-page .brand-mark{flex:0 0 34px;place-items:center;width:34px;height:34px;display:grid}.landing-page .brand-mark img{object-fit:contain;width:100%;height:100%;display:block}.landing-page .brand-word{font-size:21px}.landing-page .primary-nav{align-items:center;gap:29px;font-size:14px;font-weight:650;display:flex}.landing-page .primary-nav>a:not(.button){color:#403b46;position:relative}.landing-page .primary-nav>a:not(.button):after{content:"";background:var(--violet);height:1.5px;transition:right .25s var(--ease);position:absolute;bottom:-6px;left:0;right:100%}.landing-page .primary-nav>a:not(.button):hover:after,.landing-page .primary-nav>a:not(.button):focus-visible:after{right:0}.landing-page .nav-toggle{background:0 0;border:0;padding:8px;display:none}.landing-page .nav-toggle span:not(.sr-only){background:var(--ink);width:24px;height:1.5px;margin:5px 0;transition:transform .2s;display:block}.landing-page .button{letter-spacing:-.015em;cursor:pointer;min-height:50px;transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s ease, color .2s ease, border-color .2s ease;border:0;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:0 19px;font-weight:780;display:inline-flex}.landing-page .button:hover{transform:translateY(-2px)}.landing-page .button:active{transform:translateY(0)}.landing-page .button:focus-visible,.landing-page a:focus-visible,.landing-page input:focus-visible,.landing-page textarea:focus-visible,.landing-page summary:focus-visible{outline-offset:3px;outline:3px solid #3221b357}.landing-page .button svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}.landing-page .button-small{min-height:42px;padding:0 17px;font-size:13px}.landing-page .button-dark{background:var(--ink);color:#fff;box-shadow:0 8px 20px #17151c26}.landing-page .button-dark:hover{background:#29242e;box-shadow:0 12px 24px #17151c2e}.landing-page .button-lime{background:var(--lime);color:var(--ink);box-shadow:0 8px 24px #6c71201f}.landing-page .button-lime:hover{background:var(--lime-strong);box-shadow:0 14px 28px #6c712029}.landing-page .button-ghost{border:1px solid var(--line-strong);background:0 0;min-height:44px;font-size:14px}.landing-page .button-ghost:hover{background:#3221b30b;border-color:#3221b35c}.landing-page .hero{background:radial-gradient(circle at 86% 12%, #e6ea9cb8, transparent 24%), linear-gradient(180deg, #faf8f4 0%, var(--paper) 100%);min-height:950px;padding:164px 0 72px;position:relative;overflow:clip}.landing-page .hero:after{content:"";background:var(--line);height:1px;position:absolute;inset:auto 0 0}.landing-page .hero-orbit{pointer-events:none;border:1px solid #3221b31a;border-radius:50%;position:absolute}.landing-page .orbit-one{width:640px;height:640px;top:110px;right:-250px}.landing-page .orbit-two{width:910px;height:910px;top:-25px;right:-385px}.landing-page .hero-grid{z-index:2;grid-template-columns:minmax(0,.94fr) minmax(540px,1.06fr);align-items:center;gap:76px;display:grid;position:relative}.landing-page .eyebrow,.landing-page .section-number,.landing-page .card-label,.landing-page .demo-kicker{letter-spacing:.16em;text-transform:uppercase;margin:0;font-size:11px;font-weight:820}.landing-page .eyebrow{color:var(--violet);align-items:center;gap:11px;display:flex}.landing-page .eyebrow>span{background:currentColor;width:32px;height:1px}.landing-page .hero h1{letter-spacing:-.073em;max-width:780px;margin:28px 0;font-size:clamp(59px,6.15vw,92px);font-weight:810;line-height:.91}.landing-page .hero h1 em{color:var(--violet);font-style:normal;font-weight:inherit}.landing-page .hero-lede{letter-spacing:-.022em;max-width:630px;color:var(--ink-soft);margin:0;font-size:20px;line-height:1.55}.landing-page .signup-form{margin-top:34px}.landing-page .form-shell{background:var(--white);border:1px solid var(--line-strong);border-radius:999px;grid-template-columns:1fr auto;gap:8px;max-width:570px;padding:7px;display:grid;box-shadow:0 16px 40px #271d4314}.landing-page .form-shell input{min-width:0;color:var(--ink);background:0 0;border:0;outline:none;padding:0 14px 0 17px;font-size:15px}.landing-page .form-shell input::placeholder{color:#9b96a1}.landing-page .form-shell.has-error{border-color:#a13b3b;box-shadow:0 0 0 3px #a13b3b1f}.landing-page .form-note,.landing-page .form-status{color:#77717c;margin:10px 0 0 17px;font-size:12px}.landing-page .form-status{min-height:18px;color:var(--violet);font-weight:700}.landing-page .form-status.is-error{color:#8d2c2c}.landing-page .hero-demo-wrap{padding:26px 0 42px 36px;position:relative}.landing-page .hero-demo{z-index:3;background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow);border:1px solid #19123733;position:relative;overflow:hidden}.landing-page .demo-browser-bar{background:#edeaf7;border-bottom:1px solid #2319461f;align-items:center;gap:7px;height:48px;padding:0 18px;display:flex}.landing-page .demo-browser-bar>span{background:#3221b340;border-radius:50%;width:8px;height:8px}.landing-page .browser-address{text-align:center;color:#756d84;letter-spacing:.02em;background:#ffffffbf;border-radius:999px;width:52%;margin:auto;padding:5px 12px;font-size:10px}.landing-page .demo-topline{justify-content:space-between;align-items:flex-start;gap:24px;padding:30px 32px 24px;display:flex}.landing-page .demo-kicker{color:var(--violet);letter-spacing:.12em;align-items:center;gap:7px;display:flex}.landing-page .status-dot{background:var(--violet);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #3221b31a}.landing-page .demo-topline h2{letter-spacing:-.05em;margin:10px 0 0;font-size:32px;line-height:1}.landing-page .exam-countdown{text-align:right;min-width:86px}.landing-page .exam-countdown span{color:#827a8a;text-transform:uppercase;letter-spacing:.12em;font-size:10px;display:block}.landing-page .exam-countdown strong{color:var(--violet);margin-top:3px;font-size:16px;display:block}.landing-page .demo-content-grid{grid-template-columns:166px 1fr;gap:20px;padding:0 32px;display:grid}.landing-page .pace-ring-card{background:var(--pink);text-align:center;border:1px solid #17151c14;border-radius:22px;flex-direction:column;align-items:center;padding:19px;display:flex}.landing-page .pace-ring{--progress:58deg;aspect-ratio:1;background:conic-gradient(var(--violet) var(--progress), #3221b324 0);border-radius:50%;place-items:center;width:114px;transition:background .35s;display:grid;position:relative}.landing-page .pace-ring:before{content:"";border-radius:inherit;background:var(--pink);position:absolute;inset:10px}.landing-page .pace-ring>div{z-index:2;line-height:1;position:relative}.landing-page .pace-ring strong{letter-spacing:-.06em;font-size:32px;display:block}.landing-page .pace-ring span{text-transform:uppercase;letter-spacing:.12em;color:#6d646f;margin-top:6px;font-size:10px;display:block}.landing-page .pace-ring-card>p{color:#665e68;margin:14px 0 0;font-size:11px;line-height:1.5}.landing-page .task-list{gap:8px;display:grid}.landing-page .task-row{border:1px solid var(--line);min-height:74px;transition:transform .25s var(--ease), border-color .25s ease;background:#fff;border-radius:17px;grid-template-columns:29px 1fr auto;align-items:center;gap:11px;padding:12px 14px;display:grid}.landing-page .task-row:hover{border-color:#3221b361;transform:translate(3px)}.landing-page .task-number{background:var(--violet-soft);width:28px;height:28px;color:var(--violet);border-radius:50%;place-items:center;font-size:10px;font-weight:800;display:grid}.landing-page .task-row div{flex-direction:column;min-width:0;display:flex}.landing-page .task-row strong{font-size:13px}.landing-page .task-row div span{color:#7d7580;white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:10px;overflow:hidden}.landing-page .task-row b{white-space:nowrap;color:var(--violet);font-size:11px}.landing-page .demo-control-block{background:#f4f1f8;border-radius:18px;margin:22px 32px 0;padding:18px 20px 12px}.landing-page .control-label-row{justify-content:space-between;gap:20px;font-size:11px;font-weight:700;display:flex}.landing-page .control-label-row output{color:var(--violet)}.landing-page .range{width:100%;accent-color:var(--violet);cursor:pointer;margin:14px 0 0}.landing-page .range-ticks{color:#8d8791;justify-content:space-between;margin-top:1px;font-size:9px;display:flex}.landing-page .demo-start{width:calc(100% - 64px);margin:18px 32px 30px}.landing-page .demo-start svg{fill:currentColor;stroke:none}.landing-page .source-file,.landing-page .generated-tag{z-index:6;-webkit-backdrop-filter:blur(10px);background:#fffdf9f0;border:1px solid #17151c2e;position:absolute;box-shadow:0 18px 40px #1f183c21}.landing-page .source-file{border-radius:16px;grid-template-columns:39px 1fr auto;align-items:center;gap:11px;min-width:255px;padding:13px 14px;display:grid;top:-6px;left:-18px;transform:rotate(-2deg)}.landing-page .file-icon{background:var(--violet);color:#fff;letter-spacing:.08em;border-radius:8px;place-items:center;width:39px;height:44px;font-size:9px;font-weight:900;display:grid}.landing-page .source-file div:nth-child(2){min-width:0}.landing-page .source-file strong,.landing-page .source-file span{display:block}.landing-page .source-file strong{white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.landing-page .source-file div:nth-child(2) span{color:#7a7480;margin-top:3px;font-size:9px}.landing-page .file-check{background:var(--lime);border-radius:50%;place-items:center;width:24px;height:24px;font-size:12px;font-weight:900;display:grid!important}.landing-page .generated-tag{border-radius:14px;padding:11px 16px;bottom:0;right:-19px;transform:rotate(1.5deg)}.landing-page .generated-tag span,.landing-page .generated-tag strong{display:block}.landing-page .generated-tag span{color:var(--violet);letter-spacing:.14em;text-transform:uppercase;font-size:8px;font-weight:850}.landing-page .generated-tag strong{margin-top:3px;font-size:10px}.landing-page .hero-principles{z-index:3;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);grid-template-columns:repeat(4,1fr);margin-top:78px;display:grid;position:relative}.landing-page .hero-principles>div{border-right:1px solid var(--line);padding:20px 21px 22px}.landing-page .hero-principles>div:last-child{border-right:0}.landing-page .hero-principles span{color:var(--violet);letter-spacing:.12em;font-size:9px;font-weight:850;display:block}.landing-page .hero-principles strong{margin-top:12px;font-size:14px;display:block}.landing-page .hero-principles small{color:#77717d;margin-top:3px;font-size:11px;display:block}.landing-page .section-dark{background:var(--ink);color:#fff}.landing-page .problem-statement{padding:100px 0 108px}.landing-page .problem-grid{grid-template-columns:150px minmax(0,1.2fr) minmax(350px,.8fr);align-items:end;gap:48px;display:grid}.landing-page .problem-grid .section-number{color:#a9a3ad;align-self:start;padding-top:11px}.landing-page .problem-copy h2,.landing-page .section-heading h2,.landing-page .modes-copy h2,.landing-page .workflow-intro h2,.landing-page .evidence-copy h2,.landing-page .faq-heading h2,.landing-page .join-copy h2{letter-spacing:-.062em;margin:0;font-size:clamp(43px,5vw,70px);font-weight:780;line-height:.98}.landing-page .problem-copy p{color:#bdb7c1;max-width:690px;margin:26px 0 0;font-size:19px;line-height:1.55}.landing-page .problem-math{grid-template-columns:1fr auto 1fr auto 1.15fr;align-items:center;gap:12px;display:grid}.landing-page .problem-math>div{border-top:1px solid #ffffff47;padding:18px 12px}.landing-page .problem-math strong{letter-spacing:-.06em;font-size:43px;line-height:1;display:block}.landing-page .problem-math span{color:#a9a3ad;text-transform:uppercase;letter-spacing:.12em;margin-top:7px;font-size:10px;display:block}.landing-page .problem-math .math-sign{color:#6f6974;margin:0;font-size:20px}.landing-page .problem-math .math-result{color:var(--lime);border-top-color:var(--lime)}.landing-page .problem-math .math-result span{color:#cfd293}.landing-page .feature-section{padding:136px 0}.landing-page .section-heading-grid{grid-template-columns:150px minmax(0,870px);gap:48px;display:grid}.landing-page .section-number{color:var(--violet);padding-top:10px}.landing-page .section-heading p,.landing-page .modes-copy>p:not(.section-number),.landing-page .workflow-intro p,.landing-page .evidence-copy>p:not(.section-number),.landing-page .faq-heading>p:not(.section-number){max-width:720px;color:var(--ink-soft);margin:26px 0 0;font-size:18px;line-height:1.62}.landing-page .pace-section{background:#fffdf9}.landing-page .pace-layout{grid-template-columns:minmax(0,1fr) 310px;align-items:stretch;gap:24px;margin-top:62px;display:grid}.landing-page .week-demo,.landing-page .queue-card{border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:var(--paper)}.landing-page .week-demo{padding:30px}.landing-page .week-demo-header{justify-content:space-between;align-items:center;gap:30px;display:flex}.landing-page .week-demo-header h3{letter-spacing:-.04em;margin:9px 0 0;font-size:26px}.landing-page .toggle-control{cursor:pointer;align-items:center;gap:10px;font-size:12px;font-weight:700;display:inline-flex}.landing-page .toggle-control input{opacity:0;pointer-events:none;position:absolute}.landing-page .toggle-ui{background:#d9d5dc;border-radius:999px;width:45px;height:26px;padding:3px;transition:background .2s}.landing-page .toggle-ui>span{width:20px;height:20px;transition:transform .25s var(--ease);background:#fff;border-radius:50%;display:block;box-shadow:0 2px 7px #0000001f}.landing-page .toggle-control input:checked+.toggle-ui{background:var(--violet)}.landing-page .toggle-control input:checked+.toggle-ui>span{transform:translate(19px)}.landing-page .toggle-control input:focus-visible+.toggle-ui{outline-offset:3px;outline:3px solid #3221b34d}.landing-page .week-grid{grid-template-columns:repeat(7,1fr);gap:9px;margin-top:30px;display:grid}.landing-page .day-card{border:1px solid var(--line);min-height:174px;transition:transform .25s var(--ease), background .25s ease, border-color .25s ease;background:#fff;border-radius:17px;padding:16px 13px;position:relative}.landing-page .day-card:hover{transform:translateY(-3px)}.landing-page .day-card>div{flex-direction:column;gap:2px;display:flex}.landing-page .day-card>div span{font-size:12px;font-weight:800}.landing-page .day-card>div small{color:#86808a;font-size:9px}.landing-page .day-card strong{letter-spacing:-.06em;margin-top:31px;font-size:36px;line-height:1;display:block}.landing-page .day-card p{color:#7c7580;margin:4px 0 0;font-size:10px}.landing-page .day-card i{color:#625b66;background:#efedf1;border-radius:999px;place-items:center;min-width:28px;height:28px;padding:0 6px;font-size:9px;font-style:normal;font-weight:800;display:grid;position:absolute;bottom:12px;right:12px}.landing-page .day-card.is-done{background:var(--lime);border-color:#757a243d}.landing-page .day-card.is-done i{background:var(--ink);color:#fff}.landing-page .day-card.is-today{border:2px solid var(--violet);box-shadow:0 10px 28px #3221b31c}.landing-page .day-card.is-today:before{content:"";background:var(--violet);border-radius:50%;width:11px;height:11px;position:absolute;top:-6px;left:50%;transform:translate(-50%)}.landing-page .day-card.is-missed{background:#f3e8e6;border-color:#80383847}.landing-page .day-card.is-missed strong{color:#8e7474;text-decoration:line-through}.landing-page .day-card.is-missed i{color:#fff;background:#8e3d3d}.landing-page .day-card.is-rebalanced{background:var(--violet-soft);border-color:#3221b33d}.landing-page .day-card.is-rebalanced strong{color:var(--violet)}.landing-page .rebalance-bar{background:#e9e7ed;border-radius:14px;align-items:center;gap:12px;margin-top:18px;padding:14px 17px;transition:background .25s;display:flex}.landing-page .rebalance-bar.is-active{background:var(--violet-soft)}.landing-page .rebalance-icon{width:28px;height:28px;color:var(--violet);background:#fff;border-radius:50%;place-items:center;font-weight:900;display:grid}.landing-page .rebalance-bar p{color:#67606b;margin:0;font-size:11px}.landing-page .rebalance-bar strong{color:var(--ink)}.landing-page .queue-card{background:var(--violet);color:#fff;padding:27px 25px}.landing-page .queue-card .card-label{color:#bdb5ff}.landing-page .queue-card ol{margin:30px 0 0;padding:0;list-style:none}.landing-page .queue-card li{border-top:1px solid #ffffff2e;grid-template-columns:28px 1fr auto;align-items:center;gap:11px;padding:17px 0;display:grid}.landing-page .queue-card li>span{color:#a99fff;font-size:9px;font-weight:850}.landing-page .queue-card li div{flex-direction:column;display:flex}.landing-page .queue-card li strong{font-size:13px}.landing-page .queue-card li small{color:#c0bad9;margin-top:3px;font-size:9px}.landing-page .queue-card li b{background:#ffffff1f;border-radius:50%;place-items:center;width:30px;height:30px;font-size:11px;display:grid}.landing-page .queue-note{color:#d1cce6;margin:28px 0 0;font-size:12px;line-height:1.6}.landing-page .source-section{background:var(--pink)}.landing-page .source-workspace{border:1px solid var(--line-strong);border-radius:var(--radius-xl);background:var(--white);grid-template-columns:minmax(0,.83fr) minmax(0,1.17fr);margin-top:62px;display:grid;overflow:hidden;box-shadow:0 26px 70px #48283514}.landing-page .source-card-panel{border-right:1px solid var(--line);flex-direction:column;min-height:580px;padding:31px;display:flex}.landing-page .panel-topline{justify-content:space-between;align-items:center;gap:18px;display:flex}.landing-page .panel-topline>div{align-items:center;gap:8px;font-size:11px;display:flex}.landing-page .panel-dot{background:var(--violet);border-radius:50%;width:7px;height:7px}.landing-page .source-status{background:var(--pink);color:#775e62;text-transform:uppercase;letter-spacing:.08em;border-radius:999px;padding:7px 10px;font-size:9px;font-weight:800}.landing-page .source-status.is-approved{background:var(--lime);color:var(--ink)}.landing-page .study-card-content{flex-direction:column;flex:1;justify-content:center;padding:40px 8px;display:flex}.landing-page .study-card-content>.card-label{color:var(--violet)}.landing-page .study-card-content h3{letter-spacing:-.045em;margin:14px 0 0;font-size:34px;line-height:1.12}.landing-page .answer-block{border-top:1px solid var(--line);margin-top:52px;padding:24px 0 0}.landing-page .answer-block .card-label{color:#8c838f}.landing-page .answer-block>p:last-of-type{margin:13px 0 0;font-size:16px;line-height:1.6}.landing-page .answer-block textarea{resize:vertical;width:100%;min-height:122px;color:var(--ink);background:#faf9ff;border:1px solid #3221b347;border-radius:12px;margin-top:14px;padding:15px;line-height:1.55}.landing-page .card-actions{flex-wrap:wrap;gap:9px;display:flex}.landing-page .card-actions .button-lime{margin-left:auto}.landing-page .source-document{background:#ebe7f1;outline:none;padding:24px}.landing-page .source-document.is-focused{animation:sourcePulse 1s var(--ease)}.landing-page .document-toolbar{border-bottom:1px solid var(--line);background:#fff;border-radius:13px 13px 0 0;grid-template-columns:38px 1fr auto;align-items:center;gap:11px;padding:12px 14px;display:grid}.landing-page .document-file-icon{background:var(--violet);color:#fff;border-radius:8px;place-items:center;width:38px;height:39px;font-size:8px;font-weight:900;display:grid}.landing-page .document-toolbar div:nth-child(2){flex-direction:column;display:flex}.landing-page .document-toolbar strong{font-size:11px}.landing-page .document-toolbar span{color:#877f8c;margin-top:2px;font-size:8px}.landing-page .document-toolbar button{letter-spacing:.1em;cursor:pointer;background:0 0;border:0;font-weight:900}.landing-page .document-page{background:#fff;min-height:466px;padding:37px 44px 28px;box-shadow:0 18px 45px #281f3814}.landing-page .doc-kicker{color:var(--violet);letter-spacing:.14em;margin:0;font-size:8px;font-weight:850}.landing-page .document-page h4{margin:10px 0 18px;font-family:Georgia,Times New Roman,serif;font-size:24px;font-weight:500}.landing-page .document-page>p:not(.doc-kicker){color:#4d4650;margin:12px 0;font-family:Georgia,Times New Roman,serif;font-size:13px;line-height:1.7}.landing-page .source-highlight span{-webkit-box-decoration-break:clone;box-decoration-break:clone;background:linear-gradient(#0000 8%,#e6ea9cf2 8% 92%,#0000 92%)}.landing-page .neuron-diagram{color:#5e5664;border:1px solid #e4e0e7;margin-top:22px;padding:12px}.landing-page .neuron-diagram svg{width:100%}.landing-page .diagram-labels{fill:currentColor;font-family:Inter,sans-serif}.landing-page .source-match{background:var(--ink);color:#fff;border-radius:0 0 13px 13px;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:11px 14px;font-size:9px;display:grid}.landing-page .source-match>span{color:#aaa4ae;text-transform:uppercase;letter-spacing:.1em}.landing-page .source-match strong{color:var(--lime)}.landing-page .source-match i{color:#aaa4ae;font-style:normal}.landing-page .modes-section{background:radial-gradient(circle at 12% 18%,#524cc51f,#0000 20%),radial-gradient(circle at 88% 86%,#524cc51f,#0000 18%),linear-gradient(#f2f3ff 0%,#e9ecff 100%);border-top:1px solid #847cc21f;border-bottom:1px solid #847cc21f}.landing-page .modes-grid{grid-template-columns:.83fr 1.17fr;align-items:center;gap:90px;display:grid}.landing-page .modes-copy p:not(.section-number){max-width:620px}.landing-page .modes-copy .section-number{margin-bottom:26px}.landing-page .mode-demo{border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff5;border:1px solid #847cc261;overflow:hidden;box-shadow:0 24px 64px #3a2e851c}.landing-page .mode-tabs{background:#e8e6f6;border-bottom:1px solid #847cc23d;grid-template-columns:repeat(4,1fr);gap:8px;padding:10px;display:grid}.landing-page .mode-tabs button{cursor:pointer;color:#6f6877;background:0 0;border:1px solid #0000;border-radius:12px;padding:11px 8px;font-size:11px;font-weight:760;transition:background .18s,border-color .18s,box-shadow .18s,color .18s}.landing-page .mode-tabs button[aria-selected=true]{color:var(--violet);background:#fffffff5;border-color:#847cc22e;box-shadow:0 6px 16px #281d4114}.landing-page .mode-panel{background:0 0;min-height:410px;padding:31px}.landing-page .mode-card-head{color:#7f7887;justify-content:space-between;align-items:center;gap:20px;font-size:10px;display:flex}.landing-page .mode-card-head b{color:var(--violet)}.landing-page .mode-flashcard{text-align:center;background:#f3ece9;border:1px solid #c3bcc9d9;border-radius:22px;flex-direction:column;justify-content:center;align-items:center;min-height:285px;margin-top:22px;padding:35px;display:flex;box-shadow:inset 0 1px #ffffff8c}.landing-page .mode-flashcard p{letter-spacing:-.04em;max-width:430px;margin:0;font-size:28px;font-weight:750;line-height:1.2}.landing-page .mode-flashcard button{color:var(--violet);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;margin-top:30px;font-weight:750;text-decoration:underline;text-decoration-thickness:1.5px}.landing-page .mode-flashcard strong{background:var(--lime);border-radius:999px;margin-top:28px;padding:11px 18px;font-size:20px}.landing-page .quiz-question{letter-spacing:-.035em;margin:28px 0 18px;font-size:24px;font-weight:750;line-height:1.25}.landing-page .quiz-options{grid-template-columns:1fr 1fr;gap:10px;display:grid}.landing-page .quiz-options button{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:14px;min-height:62px;padding:14px;font-weight:650}.landing-page .quiz-options button:hover{border-color:#3221b366}.landing-page .quiz-options button.is-correct{background:var(--lime);border-color:#74792866}.landing-page .quiz-options button.is-wrong{background:#f4e3e0;border-color:#8b3a3a40}.landing-page .quiz-feedback{min-height:24px;color:var(--violet);margin:14px 0 0;font-size:12px;font-weight:700}.landing-page .mode-panel>h3{letter-spacing:-.04em;margin:30px 0 13px;font-size:27px}.landing-page .mode-panel>p{color:var(--ink-soft);line-height:1.65}.landing-page .mode-source-line{border-top:1px solid #847cc229;padding-top:18px;font-size:11px;font-weight:700;color:var(--violet)!important;margin-top:28px!important}.landing-page .notes-outline{margin:28px 0 0;padding:0;list-style:none}.landing-page .notes-outline li{border-top:1px solid #847cc229;grid-template-columns:31px 1fr;gap:14px;padding:15px 0;display:grid}.landing-page .notes-outline li>span{color:var(--violet);font-size:10px;font-weight:850}.landing-page .notes-outline strong{font-size:14px}.landing-page .notes-outline p{color:var(--ink-soft);margin:3px 0 0;font-size:12px}.landing-page .workflow-section{background:var(--violet);color:#fff;padding:120px 0}.landing-page .workflow-grid{grid-template-columns:.72fr 1.28fr;gap:90px;display:grid}.landing-page .workflow-intro .section-number{color:#b8afff}.landing-page .workflow-intro h2{margin-top:27px}.landing-page .workflow-steps{margin:0;padding:0;list-style:none}.landing-page .workflow-steps li{border-top:1px solid #ffffff38;grid-template-columns:70px 1fr;gap:26px;padding:25px 0 28px;display:grid}.landing-page .workflow-steps li>span{color:var(--lime);letter-spacing:.13em;font-size:11px;font-weight:850}.landing-page .workflow-steps h3{letter-spacing:-.035em;margin:0;font-size:24px}.landing-page .workflow-steps p{color:#d0cbe3;max-width:500px;margin:7px 0 0;font-size:14px;line-height:1.6}.landing-page .evidence-section{background:var(--white);padding:140px 0}.landing-page .evidence-shell{display:block}.landing-page .evidence-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:start;gap:56px;min-width:0;display:grid}.landing-page .evidence-copy{min-width:0}.landing-page .evidence-copy .section-number{color:var(--violet);margin-bottom:26px}.landing-page .evidence-copy h2{letter-spacing:-.062em;max-width:560px;margin-top:0;font-size:clamp(43px,5vw,70px);line-height:.98}.landing-page .evidence-copy>p{max-width:560px;margin-top:30px}.landing-page .fsrs-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) minmax(155px,.5fr);align-items:center;gap:20px;margin-top:28px;padding:15px 0;display:grid}.landing-page .fsrs-core{align-items:flex-start;gap:12px;min-width:0;display:flex}.landing-page .fsrs-mark{background:var(--violet);color:#fff;letter-spacing:.1em;border-radius:8px;flex:0 0 48px;place-items:center;width:48px;height:30px;margin-top:1px;font-size:9px;font-weight:900;display:grid}.landing-page .fsrs-note-copy{min-width:0}.landing-page .fsrs-kicker{color:#77717e;letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px;font-size:8px;font-weight:820;line-height:1.2;display:block}.landing-page .fsrs-note p{color:var(--ink-soft);margin:0;font-size:11px;line-height:1.42}.landing-page .fsrs-note p+p{margin-top:3px}.landing-page .fsrs-note strong{color:var(--ink)}.landing-page .fsrs-benchmark{border-left:1px solid #17151c1c;flex-direction:column;align-items:flex-start;gap:2px;min-width:0;padding-left:18px;display:flex}.landing-page .fsrs-benchmark strong{color:var(--violet);letter-spacing:-.045em;white-space:nowrap;font-size:clamp(21px,1.8vw,26px);line-height:1}.landing-page .fsrs-benchmark span{color:#77717e;max-width:180px;font-size:9px;line-height:1.35}.landing-page .text-link{color:var(--violet);border-bottom:1px solid;align-items:center;gap:10px;margin-top:24px;padding-bottom:4px;font-size:13px;font-weight:760;display:inline-flex}.landing-page .evidence-chart{border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:var(--paper);margin:0;padding:31px 34px 28px}.landing-page .evidence-chart figcaption{flex-direction:column;align-items:flex-start;gap:7px;display:flex}.landing-page .evidence-chart figcaption>span{color:#716a76;text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:700}.landing-page .evidence-chart figcaption strong{max-width:580px;color:var(--violet);letter-spacing:-.052em;font-size:clamp(29px,2.8vw,39px);line-height:1.02}.landing-page .evidence-chart figcaption sup{vertical-align:super;margin-left:3px;font-size:.42em}.landing-page .evidence-chart figcaption sup a{color:inherit;text-underline-offset:2px;text-decoration:underline;text-decoration-thickness:1px}.landing-page .evidence-chart figcaption small{color:#716a76;font-size:11px;line-height:1.45}.landing-page .chart-area{height:340px;margin-top:28px;position:relative}.landing-page .chart-grid{flex-direction:column;justify-content:space-between;display:flex;position:absolute;inset:0 0 44px}.landing-page .chart-grid span{color:#9a949e;align-items:center;gap:10px;font-size:9px;display:flex}.landing-page .chart-grid span:after{content:"";background:#17151c14;flex:1;height:1px}.landing-page .chart-bars{grid-template-columns:1fr 1fr;gap:56px;display:grid;position:absolute;inset:0 18px 0 48px}.landing-page .bar-group{grid-template-rows:minmax(0,1fr) 44px;min-width:0;height:100%;display:grid}.landing-page .bar-track{align-items:flex-end;min-height:0;display:flex}.landing-page .bar{width:100%;height:var(--bar-height);min-height:40px;transition:height .5s var(--ease);border-radius:18px 18px 0 0;display:block;position:relative}.landing-page .bar.retrieval{background:var(--violet);color:#fff}.landing-page .bar.reread{background:var(--pink);color:var(--ink)}.landing-page .bar-group>span{text-align:center;padding:11px 0 0;font-size:10px;font-weight:720}.landing-page .chart-note{color:#79727d;margin:20px 0 0;font-size:10px;line-height:1.55}.landing-page .evidence-chart>a{color:var(--violet);margin-top:13px;scroll-margin-top:110px;font-size:10px;font-weight:740;display:inline-block}.landing-page .faq-section{background:var(--pink);padding:130px 0}.landing-page .faq-grid{grid-template-columns:.76fr 1.24fr;align-items:start;gap:100px;display:grid}.landing-page .faq-heading .section-number{margin-bottom:26px}.landing-page .faq-list details{border-top:1px solid #17151c47}.landing-page .faq-list details:last-child{border-bottom:1px solid #17151c47}.landing-page .faq-list summary{cursor:pointer;letter-spacing:-.02em;justify-content:space-between;align-items:center;gap:24px;padding:24px 0;font-size:18px;font-weight:720;list-style:none;display:flex}.landing-page .faq-list summary::-webkit-details-marker{display:none}.landing-page .faq-list summary span{flex:none;width:24px;height:24px;position:relative}.landing-page .faq-list summary span:before,.landing-page .faq-list summary span:after{content:"";background:var(--ink);height:1.5px;transition:transform .25s;position:absolute;top:11px;left:4px;right:4px}.landing-page .faq-list summary span:after{transform:rotate(90deg)}.landing-page .faq-list details[open] summary span:after{transform:rotate(0)}.landing-page .faq-list details p{color:var(--ink-soft);margin:-4px 50px 24px 0;font-size:14px;line-height:1.65}.landing-page .join-section{background:var(--ink);color:#fff;padding-bottom:95px;overflow:hidden}.landing-page .join-track{color:#77717e;letter-spacing:.18em;border-bottom:1px solid #ffffff2e;gap:46px;width:max-content;padding:22px 0;font-size:11px;font-weight:850;animation:22s linear infinite marquee;display:flex}.landing-page .join-track span:after{content:"•";color:var(--lime);margin-left:46px}.landing-page .join-grid{grid-template-columns:1.12fr .88fr;align-items:end;gap:80px;padding-top:90px;display:grid}.landing-page .join-copy .section-number{color:#aaa4ae;margin-bottom:25px}.landing-page .join-copy h2 em{color:var(--lime);font-style:normal}.landing-page .join-form{margin:0 0 2px}.landing-page .join-form>label{color:#b9b2bd;margin:0 0 10px 16px;font-size:11px;font-weight:720;display:block}.landing-page .join-form .form-shell{box-shadow:none;background:#29252d;border-color:#ffffff38}.landing-page .join-form input{color:#fff}.landing-page .join-form .form-note{color:#8f8992}.landing-page .join-form .form-status{color:var(--lime)}.landing-page .site-footer{color:#fff;background:#0f0d12;padding:76px 0 26px}.landing-page .footer-grid{grid-template-columns:.86fr 1.14fr;gap:80px;padding-bottom:56px;display:grid}.landing-page .footer-brand p{color:#8f8992;margin:17px 0 0;font-size:13px}.landing-page .footer-links{grid-template-columns:repeat(3,1fr);gap:34px;display:grid}.landing-page .footer-links>div{flex-direction:column;gap:9px;display:flex}.landing-page .footer-links strong{color:#77717b;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px;font-size:9px}.landing-page .footer-links a,.landing-page .footer-links button,.landing-page .footer-links span{color:#bbb5bf;font-size:12px}.landing-page .footer-links button{font-weight:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0}.landing-page .footer-links a:hover,.landing-page .footer-links button:hover{color:#fff}.landing-page .footer-bottom{color:#6f6972;border-top:1px solid #ffffff24;justify-content:space-between;gap:24px;padding-top:21px;font-size:10px;display:flex}.landing-page .footer-bottom p{margin:0}.landing-page .session-dialog{background:var(--paper);width:min(720px,100% - 32px);max-height:calc(100vh - 32px);color:var(--ink);border:1px solid #ffffff2e;border-radius:27px;padding:0;box-shadow:0 40px 110px #00000059}.landing-page .session-dialog::backdrop{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#100d14b8}.landing-page .session-shell{padding:25px}.landing-page .session-header{justify-content:space-between;align-items:center;gap:20px;display:flex}.landing-page .session-header>div{flex-direction:column;display:flex}.landing-page .session-header span{color:var(--violet);letter-spacing:.12em;text-transform:uppercase;font-size:9px;font-weight:800}.landing-page .session-header strong{margin-top:3px;font-size:17px}.landing-page .session-header button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:50%;width:38px;height:38px;font-size:22px;line-height:1}.landing-page .session-progress{background:#ded9e3;border-radius:999px;height:5px;margin-top:22px;overflow:hidden}.landing-page .session-progress span{height:100%;width:var(--session-progress);background:var(--violet);transition:width .3s;display:block}.landing-page .session-counter{color:#77717c;margin-top:12px;font-size:10px}.landing-page .session-card{text-align:center;border:1px solid var(--line);background:#fff;border-radius:23px;flex-direction:column;justify-content:center;align-items:center;min-height:330px;margin-top:17px;padding:38px;display:flex}.landing-page .session-card .card-label{color:var(--violet)}.landing-page .session-card h3{letter-spacing:-.045em;max-width:520px;margin:15px 0 30px;font-size:32px;line-height:1.17}.landing-page .session-answer{border-top:1px solid var(--line);margin-top:25px;padding-top:23px}.landing-page .session-answer p:nth-child(2){margin:12px 0 0;font-size:20px;line-height:1.45}.landing-page .session-answer span{color:#7b7480;margin-top:16px;font-size:10px;display:block}.landing-page .session-ratings{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px;display:grid}.landing-page .session-ratings button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;padding:11px}.landing-page .session-ratings button:hover{border-color:var(--violet);background:var(--violet-soft)}.landing-page .session-ratings span,.landing-page .session-ratings small{display:block}.landing-page .session-ratings span{font-size:12px;font-weight:760}.landing-page .session-ratings small{color:#827b86;margin-top:3px;font-size:8px}.landing-page .toast{z-index:1000;background:var(--ink);color:#fff;opacity:0;pointer-events:none;max-width:330px;transition:opacity .25s ease, transform .25s var(--ease);border-radius:13px;padding:13px 17px;font-size:12px;font-weight:700;position:fixed;bottom:22px;right:22px;transform:translateY(20px);box-shadow:0 18px 44px #00000038}.landing-page .toast.is-visible{opacity:1;transform:translateY(0)}.landing-page .reveal{opacity:0;transition:opacity .75s var(--ease), transform .75s var(--ease);transform:translateY(24px)}.landing-page .reveal.is-visible{opacity:1;transform:translateY(0)}.landing-page .reveal-delay-1{transition-delay:.1s}.landing-page .reveal-delay-2{transition-delay:.18s}.landing-page .reveal-delay-3{transition-delay:.26s}@media (max-width:1120px){.landing-page{--container:980px}.landing-page .hero{min-height:0}.landing-page .hero-grid{grid-template-columns:1fr 1.05fr;gap:42px}.landing-page .hero h1{font-size:clamp(55px,6.5vw,73px)}.landing-page .hero-demo-wrap{padding-left:12px}.landing-page .source-file{left:-22px}.landing-page .generated-tag{right:-8px}.landing-page .problem-grid{grid-template-columns:110px 1fr}.landing-page .problem-math{grid-column:2;max-width:560px;margin-top:20px}.landing-page .section-heading-grid{grid-template-columns:110px 1fr}.landing-page .week-grid{grid-template-columns:repeat(4,1fr)}.landing-page .day-card{min-height:150px}.landing-page .day-card:nth-child(n+5){grid-column:span 1}.landing-page .modes-grid,.landing-page .evidence-grid{gap:48px}.landing-page .faq-grid{gap:60px}}@media (max-width:1040px) and (min-width:901px){.landing-page .evidence-grid{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:40px}.landing-page .fsrs-note{grid-template-columns:1fr;gap:10px}.landing-page .fsrs-benchmark{border-top:1px solid #17151c17;border-left:0;padding:9px 0 0 60px}}@media (max-width:900px){.landing-page{--header-height:72px}.landing-page .container{width:min(calc(100% - 36px), var(--container))}.landing-page .site-header{height:var(--header-height)}.landing-page .nav-toggle{z-index:3;cursor:pointer;display:block}.landing-page .primary-nav{z-index:2;background:var(--paper);transition:transform .35s var(--ease);flex-direction:column;align-items:flex-start;gap:22px;padding:112px 28px 36px;font-size:30px;display:flex;position:fixed;inset:0;transform:translate(100%)}.landing-page .primary-nav.is-open{transform:translate(0)}.landing-page .primary-nav .button{width:100%;margin-top:auto;font-size:15px}.landing-page .nav-toggle[aria-expanded=true] span:nth-of-type(2){transform:translateY(3.25px)rotate(45deg)}.landing-page .nav-toggle[aria-expanded=true] span:nth-of-type(3){transform:translateY(-3.25px)rotate(-45deg)}.landing-page .hero{padding-top:128px}.landing-page .hero-grid{grid-template-columns:1fr;gap:74px}.landing-page .hero-copy{max-width:750px}.landing-page .hero h1{max-width:800px;font-size:clamp(62px,11vw,88px)}.landing-page .hero-demo-wrap{width:100%;max-width:700px;margin:0 auto}.landing-page .hero-principles{grid-template-columns:1fr 1fr}.landing-page .hero-principles>div:nth-child(2){border-right:0}.landing-page .hero-principles>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.landing-page .problem-grid,.landing-page .section-heading-grid{grid-template-columns:1fr;gap:26px}.landing-page .problem-math{grid-column:1}.landing-page .pace-layout{grid-template-columns:1fr}.landing-page .queue-card{min-height:0}.landing-page .source-workspace{grid-template-columns:1fr}.landing-page .source-card-panel{border-right:0;border-bottom:1px solid var(--line);min-height:500px}.landing-page .modes-grid,.landing-page .workflow-grid,.landing-page .evidence-grid,.landing-page .faq-grid,.landing-page .join-grid,.landing-page .footer-grid{grid-template-columns:1fr}.landing-page .modes-grid,.landing-page .workflow-grid,.landing-page .evidence-grid,.landing-page .faq-grid,.landing-page .join-grid{gap:56px}.landing-page .modes-copy{max-width:760px}.landing-page .workflow-intro{max-width:650px}.landing-page .evidence-copy,.landing-page .evidence-chart{max-width:720px}.landing-page .faq-heading{max-width:680px}.landing-page .join-grid{align-items:start}.landing-page .join-form{max-width:620px}.landing-page .footer-grid{gap:52px}}@media (max-width:640px){.landing-page .container{width:min(calc(100% - 28px), var(--container))}.landing-page .brand-word{font-size:19px}.landing-page .hero{padding:116px 0 52px}.landing-page .hero h1{font-size:clamp(49px,15vw,71px);line-height:.93}.landing-page .hero-lede{font-size:17px}.landing-page .form-shell{border-radius:20px;grid-template-columns:1fr;padding:8px}.landing-page .form-shell input{min-height:50px}.landing-page .form-shell .button{width:100%}.landing-page .form-note,.landing-page .form-status{margin-left:8px}.landing-page .hero-demo-wrap{padding:35px 0}.landing-page .source-file{min-width:215px;top:-7px;left:5px}.landing-page .generated-tag{bottom:2px;right:5px}.landing-page .hero-demo{border-radius:24px}.landing-page .demo-browser-bar{display:none}.landing-page .demo-topline{padding:28px 20px 20px}.landing-page .demo-topline h2{font-size:27px}.landing-page .demo-content-grid{grid-template-columns:1fr;padding:0 20px}.landing-page .pace-ring-card{text-align:left;flex-direction:row;gap:18px}.landing-page .pace-ring{flex:0 0 94px;width:94px}.landing-page .pace-ring-card>p{margin:0}.landing-page .demo-control-block{margin:18px 20px 0}.landing-page .demo-start{width:calc(100% - 40px);margin:16px 20px 26px}.landing-page .hero-principles{grid-template-columns:1fr;margin-top:58px}.landing-page .hero-principles>div{border-right:0;border-bottom:1px solid var(--line)}.landing-page .hero-principles>div:last-child{border-bottom:0}.landing-page .problem-statement,.landing-page .feature-section,.landing-page .workflow-section,.landing-page .evidence-section,.landing-page .faq-section{padding:92px 0}.landing-page .problem-copy h2,.landing-page .section-heading h2,.landing-page .modes-copy h2,.landing-page .workflow-intro h2,.landing-page .evidence-copy h2,.landing-page .faq-heading h2,.landing-page .join-copy h2{font-size:clamp(40px,12vw,58px)}.landing-page .problem-math{grid-template-columns:1fr auto 1fr}.landing-page .problem-math .math-sign:nth-of-type(2){display:none}.landing-page .problem-math .math-result{grid-column:1/-1}.landing-page .pace-layout{margin-top:42px}.landing-page .week-demo{padding:20px}.landing-page .week-demo-header{flex-direction:column;align-items:flex-start;gap:18px}.landing-page .week-grid{grid-template-columns:repeat(2,1fr)}.landing-page .day-card:last-child{grid-column:span 2}.landing-page .source-workspace{border-radius:24px;margin-top:42px}.landing-page .source-card-panel{padding:21px}.landing-page .study-card-content{padding:36px 2px}.landing-page .study-card-content h3{font-size:29px}.landing-page .card-actions{grid-template-columns:1fr 1fr;display:grid}.landing-page .card-actions .button{padding-inline:13px}.landing-page .card-actions .button-lime{grid-column:1/-1;margin-left:0}.landing-page .source-document{padding:12px}.landing-page .document-page{padding:28px 22px 22px}.landing-page .source-match{grid-template-columns:1fr auto}.landing-page .source-match i{display:none}.landing-page .modes-grid{gap:42px}.landing-page .mode-tabs{grid-template-columns:repeat(4,minmax(0,1fr));overflow:hidden}.landing-page .mode-tabs button{padding-inline:4px;font-size:10px}.landing-page .mode-panel{padding:22px}.landing-page .mode-panels,.landing-page .mode-panel{min-height:400px}.landing-page .mode-flashcard{padding:22px}.landing-page .mode-flashcard p{font-size:24px}.landing-page .quiz-options{grid-template-columns:1fr}.landing-page .workflow-steps li{grid-template-columns:45px 1fr;gap:16px}.landing-page .fsrs-note{grid-template-columns:1fr;gap:12px;padding:14px 0}.landing-page .fsrs-core{gap:10px}.landing-page .fsrs-mark{border-radius:7px;flex-basis:44px;width:44px;height:28px;font-size:8px}.landing-page .fsrs-benchmark{border-top:1px solid #17151c17;border-left:0;padding:10px 0 0 54px}.landing-page .fsrs-benchmark strong{font-size:21px}.landing-page .fsrs-benchmark span{max-width:none}.landing-page .evidence-chart{padding:24px 18px 22px}.landing-page .evidence-chart figcaption{flex-direction:column;align-items:flex-start}.landing-page .evidence-chart figcaption strong{font-size:31px}.landing-page .chart-area{height:300px}.landing-page .chart-grid{bottom:48px}.landing-page .chart-bars{gap:22px;left:37px;right:4px}.landing-page .bar-group{grid-template-rows:minmax(0,1fr) 48px}.landing-page .bar{border-radius:13px 13px 0 0}.landing-page .bar-group>span{font-size:9px;line-height:1.25}.landing-page .faq-list summary{font-size:16px}.landing-page .join-grid{padding-top:68px}.landing-page .footer-links{grid-template-columns:1fr 1fr}.landing-page .footer-links>div:last-child{grid-column:1/-1}.landing-page .footer-bottom{flex-direction:column}.landing-page .session-shell{padding:16px}.landing-page .session-card{min-height:300px;padding:24px 18px}.landing-page .session-card h3{font-size:27px}.landing-page .session-ratings{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){.landing-page *,.landing-page :before,.landing-page :after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}.landing-page .reveal{opacity:1;transform:none}}.landing-page .product-loop-wrap{z-index:3;color:#fff;background:var(--violet);border:1px solid #160d5c6b;border-radius:38px;justify-self:end;width:100%;max-width:660px;position:relative;overflow:hidden;box-shadow:0 36px 110px #281b7e40,inset 0 2px #ffffff38}.landing-page .product-loop-wrap:before{content:"";pointer-events:none;opacity:.2;background-image:linear-gradient(#ffffff14 1px,#0000 1px),linear-gradient(90deg,#ffffff14 1px,#0000 1px);background-size:42px 42px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 72%);mask-image:linear-gradient(#000,#0000 72%)}.landing-page .product-loop-head,.landing-page .product-loop-stage,.landing-page .product-loop-foot{z-index:1;position:relative}.landing-page .product-loop-head{border-bottom:1px solid #ffffff29;justify-content:space-between;align-items:center;gap:20px;min-height:62px;padding:13px 18px 13px 22px;display:flex}.landing-page .product-loop-label{letter-spacing:.15em;text-transform:uppercase;align-items:center;gap:10px;font-size:10px;font-weight:800;line-height:1;display:inline-flex}.landing-page .product-loop-label>span{background:var(--lime);border-radius:50%;width:9px;height:9px;box-shadow:0 0 0 5px #e6ea9c21}.landing-page .product-loop-replay{color:#fff;cursor:pointer;min-height:36px;transition:background .2s ease, transform .2s var(--ease), border-color .2s ease;background:#ffffff14;border:1px solid #ffffff3d;border-radius:999px;align-items:center;gap:7px;padding:0 12px;font-size:11px;font-weight:750;display:inline-flex}.landing-page .product-loop-replay:hover{background:#ffffff29;border-color:#ffffff6b;transform:translateY(-1px)}.landing-page .product-loop-replay svg{fill:none;stroke:currentColor;stroke-width:1.65px;stroke-linecap:round;stroke-linejoin:round;width:15px;height:15px}.landing-page .product-loop-stage{grid-template-columns:154px minmax(0,390px);justify-content:space-between;align-items:start;gap:18px 20px;padding:24px 22px 18px;display:grid}.landing-page .loop-rail{flex-direction:column;gap:4px;padding-top:8px;display:flex;position:relative}.landing-page .loop-rail:before{content:"";background:#ffffff2e;width:1px;position:absolute;top:31px;bottom:32px;left:13px}.landing-page .loop-rail button{z-index:1;color:#ffffff8f;text-align:left;cursor:pointer;width:100%;min-height:78px;transition:color .2s ease, transform .2s var(--ease);background:0 0;border:0;grid-template-columns:28px minmax(0,1fr) 8px;align-items:center;gap:10px;padding:9px 7px 9px 0;display:grid;position:relative}.landing-page .loop-rail button:hover{color:#fff;transform:translate(2px)}.landing-page .loop-rail button>span{background:var(--violet);font-variant-numeric:tabular-nums;border:1px solid #ffffff3d;border-radius:50%;place-items:center;width:28px;height:28px;font-size:9px;font-weight:800;line-height:1;display:grid}.landing-page .loop-rail button div{min-width:0}.landing-page .loop-rail button strong,.landing-page .loop-rail button small{display:block}.landing-page .loop-rail button strong{color:inherit;letter-spacing:-.01em;font-size:13px;line-height:1.2}.landing-page .loop-rail button small{color:#ffffff73;margin-top:4px;font-size:9px;line-height:1.25}.landing-page .loop-rail button>i{background:0 0;border-radius:50%;width:6px;height:6px}.landing-page .loop-rail button.is-complete{color:#ffffffd1}.landing-page .loop-rail button.is-complete>span{border-color:var(--lime);color:var(--ink);background:var(--lime)}.landing-page .loop-rail button.is-active{color:#fff}.landing-page .loop-rail button.is-active>span{border-color:var(--lime);box-shadow:0 0 0 5px #e6ea9c21}.landing-page .loop-rail button.is-active>i{background:var(--lime);box-shadow:0 0 0 4px #e6ea9c1c}.landing-page .loop-rail button.is-active small{color:#ffffffb3}.landing-page .qp-app-frame{--qp-bg:#fff7f8;--qp-chrome:#fff9fa;--qp-surface:#fff;--qp-action:#2e1dd2;--qp-link:#2e1dd2;--qp-track:#efeaf0;--qp-line:#32273721;--qp-boundary:#ddd5e3;--qp-muted:#686b79;--qp-secondary:#444047;background:var(--qp-bg);color:#111;font-synthesis:none;-webkit-font-smoothing:antialiased;border:1px solid #ffffff6b;border-radius:29px;width:390px;height:716px;font-family:Avenir Next,Segoe UI,Arial,Helvetica,sans-serif;position:relative;overflow:hidden;box-shadow:0 28px 68px #0a05366b,0 0 0 1px #110c3c1f}.landing-page .qp-app-frame button{font:inherit;-webkit-tap-highlight-color:transparent}.landing-page .qp-app-screen{background:var(--qp-bg);pointer-events:none;visibility:hidden;flex-direction:column;display:flex;position:absolute;inset:0;transform:none}.landing-page .qp-app-screen.is-active{z-index:2;pointer-events:auto;visibility:visible;animation:qp-screen-in .28s var(--ease) both}.landing-page .qp-statusbar{background:var(--qp-chrome);color:#111;flex:0 0 25px;justify-content:space-between;align-items:center;height:25px;padding:0 15px;font:700 10px/1 Arial,sans-serif;display:flex}.landing-page .qp-status-icons{align-items:center;gap:5px;display:flex}.landing-page .qp-signal{align-items:flex-end;gap:1.3px;height:9px;display:flex}.landing-page .qp-signal b{background:currentColor;border-radius:2px;width:1.8px;display:block}.landing-page .qp-signal b:first-child{height:3px}.landing-page .qp-signal b:nth-child(2){height:5px}.landing-page .qp-signal b:nth-child(3){height:7px}.landing-page .qp-signal b:nth-child(4){height:9px}.landing-page .qp-wifi{border-top:1.3px solid;border-radius:50%;width:14px;height:10px;display:block;position:relative}.landing-page .qp-wifi:before{content:"";border-top:1.3px solid;border-radius:50%;height:5px;position:absolute;top:3px;left:3px;right:3px}.landing-page .qp-wifi:after{content:"";background:currentColor;border-radius:50%;width:2px;height:2px;position:absolute;top:7px;left:6px}.landing-page .qp-battery{border:1.2px solid;border-radius:2px;width:18px;height:8px;display:block;position:relative}.landing-page .qp-battery:before{content:"";background:currentColor;border-radius:1px;position:absolute;inset:1px 2px 1px 1px}.landing-page .qp-battery:after{content:"";background:currentColor;border-radius:0 2px 2px 0;width:2px;height:3px;position:absolute;top:2px;right:-3px}.landing-page .qp-app-header{border-bottom:1px solid var(--qp-line);background:var(--qp-chrome);flex:none;justify-content:space-between;align-items:center;gap:12px;min-height:59px;padding:3px 18px;display:flex}.landing-page .qp-wordmark{letter-spacing:-.045em;font-size:21px;line-height:1}.landing-page .qp-streak{color:var(--qp-secondary);align-items:center;gap:6px;font-size:11px;display:inline-flex}.landing-page .qp-streak svg{fill:#aaa627;width:17px;height:17px}.landing-page .qp-streak b{font-weight:400}.landing-page .qp-app-scroll{flex:1;min-height:0;overflow:hidden}.landing-page .qp-today-card{border-bottom:1px solid var(--qp-line);padding:16px 18px}.landing-page .qp-today-labels{color:var(--qp-muted);justify-content:space-between;align-items:baseline;gap:18px;display:flex}.landing-page .qp-today-labels span{letter-spacing:.075em;font-size:16px;font-weight:700;line-height:1.2}.landing-page .qp-today-labels small{font-size:11px;font-weight:700}.landing-page .qp-today-metric{align-items:baseline;gap:7px;margin:7px 0 11px;display:flex}.landing-page .qp-today-metric strong{letter-spacing:-.035em;font-size:32px;line-height:1}.landing-page .qp-today-metric span{color:var(--qp-secondary);font-size:13px;font-weight:700}.landing-page .qp-progress-track{background:var(--qp-track);border-radius:999px;height:6px;overflow:hidden}.landing-page .qp-progress-track>span{border-radius:inherit;background:var(--qp-action);height:100%;transition:width .4s var(--ease);display:block}.landing-page .qp-primary-button{border:1px solid var(--qp-action);background:var(--qp-action);color:#fff;cursor:pointer;width:100%;min-height:50px;transition:transform .18s var(--ease), filter .18s ease, box-shadow .18s ease;border-radius:12px;margin-top:14px;padding:0 14px;font-size:13px;font-weight:700}.landing-page .qp-primary-button:hover{filter:brightness(.96);transform:translateY(-1px);box-shadow:0 8px 20px #2e1dd22e}.landing-page .qp-primary-button:active{transform:none}.landing-page .qp-home-flow{background:var(--qp-surface);padding:21px 18px 16px}.landing-page .qp-home-flow>h3{color:var(--qp-muted);letter-spacing:.075em;margin:0 0 13px;font-size:15px;font-weight:700;line-height:1.3}.landing-page .qp-set-row{border-top:1px solid var(--qp-line);grid-template-columns:minmax(0,1fr) 60px;display:grid}.landing-page .qp-set-row+.qp-set-row{border-top:0;border-bottom:1px solid var(--qp-line)}.landing-page .qp-set-copy{min-width:0;padding:13px 13px 13px 0}.landing-page .qp-set-copy>strong{-webkit-line-clamp:2;letter-spacing:-.008em;-webkit-box-orient:vertical;font-size:13px;line-height:1.27;display:-webkit-box;overflow:hidden}.landing-page .qp-set-copy>div{align-items:center;gap:7px;margin-top:9px;display:flex}.landing-page .qp-set-copy small,.landing-page .qp-set-copy b,.landing-page .qp-set-today small{color:var(--qp-muted);white-space:nowrap;font-size:9px;font-weight:400}.landing-page .qp-set-copy b{color:var(--qp-secondary);font-weight:700}.landing-page .qp-mini-progress{background:var(--qp-track);border-radius:99px;flex:1;min-width:20px;height:4px;overflow:hidden}.landing-page .qp-mini-progress i{border-radius:inherit;background:var(--qp-action);width:58%;height:100%;display:block}.landing-page .qp-set-today{border-left:1px solid var(--qp-line);flex-direction:column;justify-content:center;gap:2px;padding:12px 0 12px 12px;display:flex}.landing-page .qp-set-today strong{letter-spacing:-.025em;font-size:22px;line-height:1}.landing-page .qp-add-material{min-height:48px;color:var(--qp-link);pointer-events:none;background:0 0;border:0;align-items:center;gap:9px;padding:0;font-size:12px;font-weight:700;display:inline-flex}.landing-page .qp-add-material span{font-size:18px;font-weight:400}.landing-page .qp-home-flow .qp-workload-title{margin-top:12px;margin-bottom:10px}.landing-page .qp-workload-legend{color:var(--qp-muted);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:16px;font-size:9px;font-weight:700;line-height:1.2;display:flex}.landing-page .qp-workload-legend span{align-items:center;gap:6px;display:inline-flex}.landing-page .qp-workload-legend i{background:#d7da73;border:1px solid #aca636;width:9px;height:9px}.landing-page .qp-workload-legend span:last-child i{background:repeating-linear-gradient(135deg,#f4eff6 0 2px,#ddd5e3 2px 3px);border-color:#d8d0df}.landing-page .qp-workload{grid-template-columns:repeat(7,1fr);align-items:end;gap:12px;height:82px;margin-top:12px;display:grid}.landing-page .qp-workload>span{height:var(--h);background:repeating-linear-gradient(135deg,#f5f1f7 0 3px,#ddd4e2 3px 4px);border:1px solid #d7cfdf;border-bottom:0;min-height:8px;position:relative}.landing-page .qp-workload>span.is-finished{background:#d9dd75;border-color:#a29b30}.landing-page .qp-workload b{color:var(--qp-secondary);font-size:9px;font-weight:700;position:absolute;bottom:calc(100% + 5px);left:50%;transform:translate(-50%)}.landing-page .qp-bottom-nav{border-top:1px solid var(--qp-line);background:var(--qp-chrome);flex:none;grid-template-columns:repeat(4,1fr);min-height:66px;padding:4px 8px 10px;display:grid}.landing-page .qp-bottom-nav span{color:var(--qp-muted);flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:9px;display:flex}.landing-page .qp-bottom-nav span.is-current{color:var(--qp-link)}.landing-page .qp-bottom-nav svg{fill:none;stroke:currentColor;stroke-width:1.05px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.landing-page .qp-study-header{border-bottom:1px solid var(--qp-line);background:var(--qp-chrome);grid-template-columns:44px 1fr 44px;align-items:center;min-height:54px;padding:2px 20px;display:grid}.landing-page .qp-study-header button{width:44px;height:44px;color:var(--qp-secondary);text-align:left;cursor:pointer;background:0 0;border:0;padding:0;font-size:31px;line-height:1}.landing-page .qp-study-header span{text-align:center;color:var(--qp-secondary);font-size:11px}.landing-page .qp-study-header>i{color:#a9a3aa;text-align:right;font-size:22px;font-style:normal;line-height:1}.landing-page .qp-topic-row{min-height:47px;color:var(--qp-muted);white-space:nowrap;text-overflow:ellipsis;justify-content:space-between;align-items:center;gap:10px;padding:0 23px;font-size:12px;display:flex;overflow:hidden}.landing-page .qp-topic-row span{color:var(--qp-secondary)}.landing-page .qp-study-body{flex-direction:column;flex:1;gap:18px;min-height:0;padding:0 20px 22px;display:flex}.landing-page .qp-card-stack{isolation:isolate;perspective:900px;flex:1;width:100%;min-height:0;margin-bottom:22px;display:flex;position:relative}.landing-page .qp-card-stack:before,.landing-page .qp-card-stack:after{content:"";transform-origin:50%;z-index:0;background:#fcf9fa;border:1px solid #ddd8ec;border-radius:20px;position:absolute;inset:0}.landing-page .qp-card-stack:before{background:#f9f7fc;transform:translateY(14px)rotate(-1.5deg)}.landing-page .qp-card-stack:after{background:#fcfbfe;border-color:#d9d2e6;transform:translateY(8px)rotate(.9deg)}.landing-page .qp-card-stack>.qp-flashcard{z-index:2;width:100%;box-shadow:0 14px 36px #2e1dd20f}.landing-page .qp-flashcard{text-align:center;background:#fff;border:1px solid #c9c1ee;border-radius:20px;flex-direction:column;flex:1;justify-content:center;align-items:center;min-height:0;padding:17px 18px;display:flex;position:relative}.landing-page .qp-flashcard>small{color:var(--qp-muted);font-size:10px;position:absolute;top:16px;left:17px}.landing-page .qp-flashcard h3{letter-spacing:-.04em;max-width:320px;margin:0;font-size:25px;line-height:1.22}.landing-page .qp-study-body>.qp-primary-button{flex:0 0 58px;min-height:58px;margin:0}.landing-page .qp-flashcard-answer p{letter-spacing:-.012em;max-width:310px;margin:0;font-size:20px;line-height:1.42}.landing-page .qp-flashcard-answer>button{min-height:38px;color:var(--qp-link);cursor:pointer;background:0 0;border:0;padding:0;font-size:12px;font-weight:700;position:absolute;bottom:17px;right:18px}.landing-page .qp-rating-row{flex:none;grid-template-columns:repeat(4,1fr);gap:7px;display:grid}.landing-page .qp-rating-row button{border:1px solid var(--qp-boundary);color:#111;cursor:pointer;min-height:52px;transition:border-color .18s ease, background .18s ease, transform .18s var(--ease);background:#fff;border-radius:12px;padding:0 5px;font-size:12px;font-weight:700}.landing-page .qp-rating-row button:hover{border-color:var(--qp-action);background:#f6f3ff;transform:translateY(-1px)}.landing-page .qp-session-progress{background:var(--qp-track);flex:0 0 3px;height:3px}.landing-page .qp-session-progress span{background:var(--qp-action);width:25%;height:100%;display:block}.landing-page .qp-source-header{border-bottom:1px solid var(--qp-line);background:var(--qp-chrome);flex:none;grid-template-columns:40px 1fr;align-items:center;gap:4px;min-height:59px;padding:3px 16px;display:grid}.landing-page .qp-source-header button{width:40px;height:44px;color:var(--qp-secondary);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.landing-page .qp-source-header svg{fill:none;stroke:currentColor;stroke-width:1.15px;stroke-linecap:round;stroke-linejoin:round;width:24px;height:24px}.landing-page .qp-source-header strong{font-size:15px}.landing-page .qp-source-body{flex:1;padding:20px;overflow:hidden}.landing-page .qp-source-title{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.landing-page .qp-source-title h3{letter-spacing:-.035em;max-width:280px;margin:0;font-size:22px;line-height:1.18}.landing-page .qp-source-title span{color:var(--qp-secondary);background:#f2eff9;border-radius:5px;padding:5px 7px;font-size:9px;font-weight:700}.landing-page .qp-source-body dl{gap:12px;margin:20px 0 24px;display:grid}.landing-page .qp-source-body dl div{grid-template-columns:93px 1fr;gap:12px;display:grid}.landing-page .qp-source-body dt,.landing-page .qp-source-body dd{margin:0;font-size:13px;line-height:1.35}.landing-page .qp-source-body dt{color:var(--qp-muted)}.landing-page .qp-source-body h4{margin:0 0 10px;font-size:14px}.landing-page .qp-source-body blockquote{border-left:2px solid var(--qp-action);margin:0 0 26px;padding:2px 0 2px 15px;font-size:14px;line-height:1.55}.landing-page .qp-source-body p{color:var(--qp-secondary);margin:0 0 14px;font-size:14px;line-height:1.58}.landing-page .qp-review-toast{z-index:5;color:#273018;opacity:0;transition:opacity .28s ease .22s, transform .34s var(--ease) .22s;background:#f2f6df;border:1px solid #1e5d312e;border-radius:12px;align-items:center;gap:10px;padding:12px 14px;display:flex;position:absolute;bottom:86px;left:18px;right:18px;transform:translateY(12px);box-shadow:0 14px 30px #1e280a1f}.landing-page .qp-app-screen.is-active .qp-review-toast{opacity:1;transform:translateY(0)}.landing-page .qp-review-toast>span{background:var(--lime);border-radius:50%;place-items:center;width:24px;height:24px;font-weight:800;display:grid}.landing-page .qp-review-toast strong,.landing-page .qp-review-toast small{display:block}.landing-page .qp-review-toast strong{font-size:11px}.landing-page .qp-review-toast small{color:#66703a;margin-top:2px;font-size:9px}.landing-page .loop-assist{border-top:1px solid #ffffff24;grid-column:1/-1;grid-template-columns:minmax(0,1fr) 115px;align-items:end;gap:10px 18px;padding:14px 15px 0;display:grid}.landing-page .loop-assist>div:first-child{grid-template-columns:62px 1fr;align-items:baseline;gap:11px;display:grid}.landing-page .loop-assist>div:first-child span{color:var(--lime);letter-spacing:.12em;font-variant-numeric:tabular-nums;font-size:10px;font-weight:800}.landing-page .loop-assist>div:first-child strong{letter-spacing:-.012em;font-size:13px;line-height:1.35}.landing-page .loop-meter{background:#ffffff2b;border-radius:99px;height:4px;overflow:hidden}.landing-page .loop-meter span{border-radius:inherit;background:var(--lime);height:100%;transition:width .35s var(--ease);display:block}.landing-page .loop-assist>p{color:#ffffff96;grid-column:1/-1;margin:0;font-size:10px;line-height:1.4}.landing-page .loop-assist>p b{color:#fff;font-weight:750}.landing-page .product-loop-foot{background:#0f084a29;border-top:1px solid #ffffff26;justify-content:space-between;align-items:center;gap:24px;min-height:56px;padding:13px 22px;display:flex}.landing-page .product-loop-foot span{color:var(--lime);letter-spacing:.12em;text-transform:uppercase;font-size:9px;font-weight:800}.landing-page .product-loop-foot p{color:#ffffffa6;margin:0;font-size:10px}@media (max-width:1180px){.landing-page .hero-grid{grid-template-columns:1fr;gap:70px}.landing-page .hero-copy{max-width:820px}.landing-page .product-loop-wrap{justify-self:center;max-width:660px}}@media (max-width:700px){.landing-page .hero-grid{gap:58px}.landing-page .product-loop-wrap{max-width:none;color:var(--ink);box-shadow:none;background:0 0;border:0;border-radius:0;overflow:visible}.landing-page .product-loop-wrap:before{display:none}.landing-page .product-loop-head{border:0;min-height:42px;padding:0 0 14px}.landing-page .product-loop-label{color:var(--violet)}.landing-page .product-loop-label>span{background:var(--violet);box-shadow:0 0 0 5px #3221b317}.landing-page .product-loop-replay{border-color:var(--line-strong);color:var(--violet);background:#ffffff80}.landing-page .product-loop-replay:hover{background:#fff;border-color:#3221b359}.landing-page .product-loop-stage{flex-direction:column;gap:14px;padding:0;display:flex}.landing-page .qp-app-frame{border:1px solid #32273730;border-radius:22px;order:1;width:100%;height:690px;box-shadow:0 22px 60px #271b5224}.landing-page .loop-rail{order:2;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;padding:0;display:grid}.landing-page .loop-rail:before{display:none}.landing-page .loop-rail button{border:1px solid var(--line);min-height:54px;color:var(--ink-soft);text-align:center;background:#ffffffa8;border-radius:12px;flex-direction:column;justify-content:center;gap:5px;padding:7px 3px;display:flex;transform:none}.landing-page .loop-rail button:hover{color:var(--ink);transform:none}.landing-page .loop-rail button>span{border-color:var(--line-strong);width:22px;height:22px;color:var(--ink-soft);background:#fff;font-size:8px}.landing-page .loop-rail button div{width:100%}.landing-page .loop-rail button strong{font-size:9px}.landing-page .loop-rail button small,.landing-page .loop-rail button>i{display:none}.landing-page .loop-rail button.is-complete{color:var(--ink)}.landing-page .loop-rail button.is-complete>span{border-color:var(--lime);background:var(--lime);color:var(--ink)}.landing-page .loop-rail button.is-active{background:var(--violet-soft);color:var(--violet);border-color:#3221b357}.landing-page .loop-rail button.is-active>span{border-color:var(--violet);color:var(--violet);box-shadow:none;background:#fff}.landing-page .loop-assist{color:var(--ink);border:0;order:3;grid-template-columns:1fr 90px;padding:2px 2px 0}.landing-page .loop-assist>div:first-child{grid-template-columns:60px 1fr}.landing-page .loop-assist>div:first-child span{color:var(--violet)}.landing-page .loop-assist>div:first-child strong{font-size:12px}.landing-page .loop-meter{background:#3221b31f}.landing-page .loop-meter span{background:var(--violet)}.landing-page .loop-assist>p{color:var(--ink-soft)}.landing-page .loop-assist>p b{color:var(--ink)}.landing-page .product-loop-foot{display:none}}@media (max-width:430px){.landing-page .qp-app-frame{border-radius:18px;height:672px}.landing-page .qp-home-flow{padding-top:18px}.landing-page .qp-set-row-muted{display:none}.landing-page .qp-workload{height:100px}.landing-page .qp-flashcard h3{font-size:23px}.landing-page .qp-flashcard-answer p{font-size:19px}.landing-page .qp-source-body{padding:18px}.landing-page .qp-source-title h3{font-size:20px}.landing-page .qp-source-body p{font-size:13px}.landing-page .loop-rail{gap:4px}.landing-page .loop-rail button{border-radius:10px}}.landing-page .hero{min-height:0;padding:150px 0 72px}.landing-page .hero-grid{grid-template-columns:minmax(0,.84fr) minmax(560px,1.16fr);gap:64px}.landing-page .hero-copy{padding-top:0}.landing-page .hero h1{max-width:720px;margin-bottom:30px;font-size:clamp(63px,6.05vw,90px);line-height:.94}.landing-page .hero-lede{max-width:650px}.landing-page .hero-actions{flex-wrap:wrap;align-items:center;gap:18px 24px;margin-top:34px;display:flex}.landing-page .hero-primary{min-height:56px;padding-inline:24px}.landing-page .hero-secondary-link{color:var(--violet);border-bottom:1px solid #3221b359;align-items:center;gap:9px;padding:7px 0 5px;font-size:14px;font-weight:780;display:inline-flex}.landing-page .hero-secondary-link:hover{border-bottom-color:currentColor}.landing-page .hero-microcopy{color:#746e79;align-items:center;gap:9px;margin:16px 0 0;font-size:12px;display:flex}.landing-page .hero-microcopy>span{background:var(--lime-strong);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #dbe56838}.landing-page .product-loop-label{letter-spacing:.1em}.landing-page .product-loop-label strong{font-size:10px}.landing-page .product-loop-label small{color:#ffffffb8;letter-spacing:.08em;white-space:nowrap;background:#ffffff1f;border-radius:999px;padding:6px 8px;font-size:8px}.landing-page .qp-sample-header-tag{color:var(--qp-action);background:#f0edf9;border-radius:999px;padding:6px 9px;font-size:10px;font-weight:750}.landing-page .qp-sample-body{background:var(--qp-bg);flex-direction:column;flex:1;min-height:0;padding:22px 20px 20px;display:flex}.landing-page .qp-sample-badge{color:#4c4a24;letter-spacing:.08em;text-transform:uppercase;background:#f1efd8;border-radius:999px;align-self:flex-start;align-items:center;gap:7px;padding:7px 10px;font-size:9px;font-weight:800;display:inline-flex}.landing-page .qp-sample-badge span{background:#b8b43d;border-radius:50%;width:7px;height:7px}.landing-page .qp-sample-document{background:#fff;border:1px solid #d8d0df;border-radius:18px;margin-top:18px;padding:18px;box-shadow:0 12px 24px #2e1d4b0f}.landing-page .qp-sample-file-row{grid-template-columns:40px 1fr;align-items:center;gap:11px;display:grid}.landing-page .qp-sample-file-icon{background:var(--qp-action);color:#fff;letter-spacing:.07em;border-radius:8px;place-items:center;width:40px;height:46px;font-size:9px;font-weight:900;display:grid}.landing-page .qp-sample-file-row strong,.landing-page .qp-sample-file-row small{display:block}.landing-page .qp-sample-file-row strong{font-size:13px;line-height:1.25}.landing-page .qp-sample-file-row small{color:var(--qp-muted);margin-top:3px;font-size:10px}.landing-page .qp-sample-document>p{border-top:1px solid var(--qp-line);color:var(--qp-secondary);margin:17px 0 0;padding-top:15px;font-family:Georgia,Times New Roman,serif;font-size:14px;line-height:1.58}.landing-page .qp-sample-output{grid-template-columns:repeat(3,1fr);gap:7px;margin:14px 0 0;display:grid}.landing-page .qp-sample-output span{border:1px solid var(--qp-line);min-height:55px;color:var(--qp-muted);background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;padding:9px 7px;font-size:9px;display:flex}.landing-page .qp-sample-output strong{color:var(--qp-action);font-size:16px;line-height:1}.landing-page .qp-sample-body>.qp-primary-button{margin-top:16px}.landing-page .qp-file-picker{border:1px solid var(--qp-boundary);min-height:40px;color:var(--qp-action);cursor:pointer;background:#ffffffa8;border-radius:11px;justify-content:center;align-items:center;margin-top:10px;font-size:11px;font-weight:750;display:inline-flex}.landing-page .qp-file-picker:hover{background:#fff;border-color:#2e1dd261}.landing-page .qp-file-picker input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.landing-page .qp-file-picker:focus-within{outline-offset:2px;outline:3px solid #3221b340}.landing-page .qp-file-note{color:var(--qp-muted);text-align:center;margin:8px 0 0;font-size:9px;line-height:1.4}.landing-page .qp-rating-row button{flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:58px;display:flex}.landing-page .qp-rating-row button strong{font-size:11px}.landing-page .qp-rating-row button small{color:var(--qp-muted);font-size:8px;font-weight:600}.landing-page .qp-session-summary{text-align:center;flex-direction:column;flex:1;align-items:center;min-height:0;padding:34px 22px 22px;display:flex}.landing-page .qp-summary-check{background:var(--lime);color:#343514;border-radius:50%;place-items:center;width:48px;height:48px;font-size:22px;font-weight:900;display:grid}.landing-page .qp-summary-eyebrow{color:var(--qp-action);letter-spacing:.1em;text-transform:uppercase;margin:16px 0 0;font-size:10px;font-weight:800}.landing-page .qp-session-summary h3{letter-spacing:-.04em;max-width:310px;margin:8px 0 0;font-size:27px;line-height:1.08}.landing-page .qp-summary-stats{grid-template-columns:1fr 1fr;gap:8px;width:100%;margin-top:24px;display:grid}.landing-page .qp-summary-stats>div{border:1px solid var(--qp-line);background:#fff;border-radius:13px;padding:15px 10px}.landing-page .qp-summary-stats span,.landing-page .qp-summary-stats strong{display:block}.landing-page .qp-summary-stats span{color:var(--qp-muted);font-size:9px}.landing-page .qp-summary-stats strong{color:var(--qp-action);margin-top:5px;font-size:17px}.landing-page .qp-next-card-preview{background:var(--pink);text-align:left;border-radius:14px;width:100%;margin-top:12px;padding:16px}.landing-page .qp-next-card-preview small{color:var(--qp-muted);letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:800}.landing-page .qp-next-card-preview p{margin:7px 0 0;font-size:15px;font-weight:700;line-height:1.35}.landing-page .quality-section{padding:128px 0 136px}.landing-page .quality-section .section-number{color:#aca5bd}.landing-page .quality-section .section-heading h2{color:#fff}.landing-page .quality-section .section-heading p{color:#c4becd}.landing-page .quality-workspace{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:stretch;gap:24px;margin-top:66px;display:grid}.landing-page .quality-source-card,.landing-page .quality-question-list{border-radius:var(--radius-lg);border:1px solid #ffffff2e}.landing-page .quality-source-card{color:var(--ink);background:#fffdf9;padding:28px;box-shadow:0 25px 65px #0000002e}.landing-page .quality-file-row{border-bottom:1px solid var(--line);grid-template-columns:43px 1fr;align-items:center;gap:12px;padding-bottom:20px;display:grid}.landing-page .quality-file-row>span{background:var(--violet);color:#fff;letter-spacing:.07em;border-radius:9px;place-items:center;width:43px;height:48px;font-size:9px;font-weight:900;display:grid}.landing-page .quality-file-row strong,.landing-page .quality-file-row small{display:block}.landing-page .quality-file-row strong{font-size:13px}.landing-page .quality-file-row small{color:#7a7480;margin-top:3px;font-size:10px}.landing-page .quality-doc-kicker{color:var(--violet);letter-spacing:.13em;margin:32px 0 0;font-size:9px;font-weight:850}.landing-page .quality-source-card h3{letter-spacing:-.025em;margin:10px 0 21px;font-family:Georgia,Times New Roman,serif;font-size:29px;font-weight:500}.landing-page .quality-passage{color:#4f4851;font-family:Georgia,Times New Roman,serif;font-size:15px;line-height:1.72}.landing-page .quality-passage p{border-radius:4px;margin:0 0 15px;padding:3px 5px;transition:background .24s,box-shadow .24s}.landing-page .quality-passage p.is-highlighted{background:#e6ea9c8c;box-shadow:0 0 0 4px #e6ea9c2e}.landing-page .quality-passage mark{color:inherit;background:0 0;font-weight:700}.landing-page .quality-source-meta{border-top:1px solid var(--line);color:#77717b;justify-content:space-between;margin-top:30px;padding-top:18px;font-size:10px;display:flex}.landing-page .quality-source-meta strong{color:var(--violet)}.landing-page .quality-question-list{background:#241f2b;padding:26px}.landing-page .quality-list-label{color:#aaa4ae;letter-spacing:.14em;margin:0 0 16px;font-size:9px;font-weight:850}.landing-page .quality-question-list details{border-top:1px solid #ffffff26}.landing-page .quality-question-list details:last-of-type{border-bottom:1px solid #ffffff26}.landing-page .quality-question-list summary{cursor:pointer;flex-direction:column;justify-content:center;min-height:116px;padding:20px 40px 20px 0;list-style:none;display:flex;position:relative}.landing-page .quality-question-list summary::-webkit-details-marker{display:none}.landing-page .quality-question-list summary>span{color:var(--lime);letter-spacing:.12em;text-transform:uppercase;font-size:9px;font-weight:850}.landing-page .quality-question-list summary>strong{color:#fff;letter-spacing:-.025em;max-width:600px;margin-top:8px;font-size:20px;line-height:1.3}.landing-page .quality-question-list summary>i{border:1px solid #ffffff4d;border-radius:50%;width:25px;height:25px;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.landing-page .quality-question-list summary>i:before,.landing-page .quality-question-list summary>i:after{content:"";background:#fff;height:1px;transition:transform .2s;position:absolute;top:11px;left:7px;right:7px}.landing-page .quality-question-list summary>i:after{transform:rotate(90deg)}.landing-page .quality-question-list details[open] summary>i:after{transform:rotate(0)}.landing-page .quality-question-list details>div{padding:0 34px 23px 0}.landing-page .quality-question-list details>div small{color:#a9a3ad;letter-spacing:.1em;text-transform:uppercase;font-size:9px;font-weight:800}.landing-page .quality-question-list details>div p{color:#d6d0db;margin:7px 0 0;font-size:14px;line-height:1.6}.landing-page .quality-note{color:#d0cad5;grid-column:1/-1;align-items:center;gap:12px;margin:4px 0 0;font-size:12px;line-height:1.5;display:flex}.landing-page .quality-note span{background:var(--lime);width:27px;height:27px;color:var(--ink);border-radius:50%;flex:0 0 27px;place-items:center;font-size:14px;font-weight:900;display:grid}.landing-page .quality-note strong{font-weight:500}.landing-page .queue-heading{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.landing-page .queue-heading>strong{color:#fff;letter-spacing:-.035em;font-size:21px}.landing-page .day-card i{white-space:nowrap;max-width:calc(100% - 22px)}.landing-page .review-timeline{background:#ffffff42;border:1px solid #74534a17;border-radius:24px;min-width:0;padding:20px 24px 18px;box-shadow:inset 0 1px #ffffff7a}.landing-page .review-direction{color:#7d7883;justify-content:space-between;align-items:center;gap:12px;padding:0 10px 6px;font-size:11px;line-height:1;display:flex}.landing-page .review-timeline-list:before{content:"";z-index:-1;background:linear-gradient(90deg,#b64b4b3d 0%,#9a651f38 34%,#3221b338 67%,#5e783d3d 100%);border-radius:999px;height:2px;position:absolute;top:44px;left:12.5%;right:12.5%}.landing-page .review-stage{text-align:center;flex-direction:column;align-items:center;min-width:0;display:flex;position:relative}.landing-page .review-node{z-index:2;border:1px solid #4b425214;border-radius:50%;place-items:center;width:58px;height:58px;display:grid;position:relative;box-shadow:0 6px 16px #1f162508}.landing-page .review-node svg{fill:none;stroke:currentColor;stroke-width:1.85px;stroke-linecap:round;stroke-linejoin:round;width:25px;height:25px}.landing-page .review-rating{color:#211e25;letter-spacing:-.015em;margin-top:8px;font-size:12px;font-weight:790}.landing-page .review-time{color:#625d69;letter-spacing:-.035em;margin-top:1px;font-size:clamp(16px,1.4vw,19px);line-height:1.15}.landing-page .review-stage-again .review-node{color:#b64b4b;background:#f7deda}.landing-page .review-stage-hard .review-node{color:#9a651f;background:#f4e7d2}.landing-page .review-stage-good .review-node{color:var(--violet);background:#ebe8fb}.landing-page .review-stage-easy .review-node{color:#5e783d;background:#e4edda}.landing-page .mode-tabs button{flex-direction:column;justify-content:center;gap:2px;min-height:58px;display:flex}.landing-page .mode-tabs button:hover{color:#5f586b;background:#ffffff6b;border-color:#847cc21f}.landing-page .quiz-options{grid-template-columns:1fr}.landing-page .quiz-options button{min-height:55px}.landing-page .evidence-copy>p{max-width:650px}.landing-page .join-copy p:not(.section-number){color:#c0bac4;max-width:520px;margin:22px 0 0;font-size:15px}.landing-page .join-copy h2 em{color:var(--lime)}@media (max-width:1180px){.landing-page .hero-grid{grid-template-columns:1fr;gap:66px}.landing-page .hero-copy{max-width:850px}.landing-page .quality-workspace{grid-template-columns:1fr 1fr}}@media (max-width:900px){.landing-page .hero h1{max-width:780px}.landing-page .quality-section{padding:104px 0}.landing-page .quality-workspace{grid-template-columns:1fr;margin-top:48px}.landing-page .quality-source-card{max-width:720px}.landing-page .review-logic{grid-template-columns:1fr;gap:24px;padding:26px}.landing-page .review-logic h3{max-width:650px}.landing-page .review-timeline{padding:18px 18px 16px}.landing-page .review-logic-copy>p:last-child{max-width:650px}.landing-page .review-timeline{width:100%}}@media (max-width:700px){.landing-page .product-loop-label{gap:8px}.landing-page .product-loop-label small{color:var(--violet);background:var(--violet-soft)}.landing-page .qp-sample-body{padding:19px 17px 17px}.landing-page .qp-sample-document{padding:16px}.landing-page .qp-sample-document>p{font-size:13px}.landing-page .qp-session-summary{padding-inline:18px}}@media (max-width:640px){.landing-page .hero{padding-bottom:58px}.landing-page .hero h1{font-size:clamp(47px,14.3vw,67px)}.landing-page .hero-actions{flex-direction:column;align-items:stretch;gap:12px}.landing-page .hero-primary{width:100%}.landing-page .hero-secondary-link{align-self:flex-start}.landing-page .hero-microcopy{line-height:1.45}.landing-page .quality-section{padding:92px 0}.landing-page .quality-source-card,.landing-page .quality-question-list{border-radius:22px;padding:21px}.landing-page .quality-source-card h3{font-size:25px}.landing-page .quality-passage{font-size:14px}.landing-page .quality-question-list summary{min-height:106px;padding-right:36px}.landing-page .quality-question-list summary>strong{font-size:17px}.landing-page .quality-question-list details>div{padding-right:24px}.landing-page .quality-note{align-items:flex-start;font-size:11px}.landing-page .quality-note span{margin-top:1px}.landing-page .review-logic{border-radius:23px;gap:28px;padding:27px 21px 29px}.landing-page .review-logic h3{font-size:clamp(30px,9.3vw,40px)}.landing-page .review-logic-copy>p:last-child{margin-top:16px;font-size:12px}.landing-page .review-direction{padding-inline:0;font-size:10px}.landing-page .review-direction svg{flex-basis:15px;width:15px;height:15px}.landing-page .review-timeline-list{padding-top:12px}.landing-page .review-timeline-list:before{top:36px}.landing-page .review-node{width:49px;height:49px}.landing-page .review-node svg{width:23px;height:23px}.landing-page .review-rating{margin-top:9px;font-size:11px}.landing-page .review-time{font-size:clamp(13px,4vw,17px)}.landing-page .mode-tabs{grid-template-columns:1fr 1fr}.landing-page .mode-tabs button{padding:9px 6px}}@media (max-width:430px){.landing-page .qp-app-frame{height:692px}.landing-page .qp-sample-output span{min-height:51px}.landing-page .qp-flashcard h3{font-size:21px}.landing-page .qp-flashcard-answer p{font-size:18px}.landing-page .qp-rating-row{gap:5px}.landing-page .qp-rating-row button{min-height:56px}.landing-page .qp-session-summary h3{font-size:25px}.landing-page .quality-file-row{grid-template-columns:39px 1fr}.landing-page .quality-file-row>span{width:39px;height:44px}}.landing-page .qp-session-results{gap:7px;width:100%;margin-top:12px;display:grid}.landing-page .qp-session-results>div{border:1px solid var(--qp-line);text-align:left;background:#fff;border-radius:12px;grid-template-columns:28px minmax(0,1fr);align-items:center;gap:8px;min-height:48px;padding:9px 11px;display:grid}.landing-page .qp-session-results>div>span{width:24px;height:24px;color:var(--qp-action);background:#f0edff;border-radius:50%;place-items:center;font-size:8px;font-weight:800;display:grid}.landing-page .qp-session-results strong,.landing-page .qp-session-results small{display:block}.landing-page .qp-session-results strong{color:#17141a;text-overflow:ellipsis;white-space:nowrap;font-size:11px;line-height:1.25;overflow:hidden}.landing-page .qp-session-results small{color:var(--qp-muted);margin-top:2px;font-size:9px}.landing-page .qp-session-summary>.qp-primary-button{margin-top:12px}.landing-page .qp-session-summary{padding-bottom:18px}@media (max-width:700px){.landing-page .qp-session-results>div{min-height:46px}}.landing-page .qp-app-screen-dashboard .qp-app-scroll{overscroll-behavior:contain;scrollbar-width:none;overflow-y:auto}.landing-page .qp-app-screen-dashboard .qp-app-scroll::-webkit-scrollbar{display:none}.landing-page .product-loop-stage{padding-bottom:22px}.landing-page .qp-flashcard{backface-visibility:hidden;transform-style:preserve-3d;will-change:transform, opacity}.landing-page .qp-flashcard-front{appearance:none;color:#111;cursor:pointer;width:100%;transition:transform .22s var(--ease), border-color .2s ease, box-shadow .22s ease}.landing-page .qp-flashcard-front:hover{border-color:#afa5e9;transform:translateY(-2px);box-shadow:0 12px 30px #2e1dd217}.landing-page .qp-flashcard-front:focus-visible{outline-offset:3px;outline:3px solid #2e1dd238}.landing-page .qp-flip-cue{color:#9891a0;letter-spacing:.02em;font-size:9px;font-weight:600;position:absolute;bottom:17px;left:50%;transform:translate(-50%)}.landing-page .qp-app-screen.is-card-flip-out .qp-flashcard-front{pointer-events:none;animation:.3s cubic-bezier(.4,0,.6,1) both qp-card-flip-out}.landing-page .qp-app-screen.is-card-flip-out .qp-reveal-button{opacity:.42;pointer-events:none}.landing-page .qp-app-screen[data-app-screen=answer].is-active{animation:none}.landing-page .qp-app-screen.is-card-flip-in .qp-flashcard-answer{animation:.3s cubic-bezier(.22,.72,.3,1) both qp-card-flip-in}.landing-page .qp-app-screen.is-card-flip-in .qp-rating-row{animation:.22s 80ms both qp-card-controls-in}.landing-page .qp-flashcard-answer>.qp-source-link{color:#827b88;opacity:.76;text-underline-offset:3px;min-height:28px;font-size:10.5px;font-weight:600;-webkit-text-decoration:underline #827b8857;text-decoration:underline #827b8857;transition:color .18s,opacity .18s,text-decoration-color .18s;bottom:15px;right:18px}.landing-page .qp-flashcard-answer>.qp-source-link:hover,.landing-page .qp-flashcard-answer>.qp-source-link:focus-visible{color:var(--qp-link);opacity:1;text-decoration-color:currentColor}.landing-page .qp-set-row{position:relative}.landing-page .qp-course-progress{outline:none;flex:none;align-items:center;display:inline-flex;position:relative}.landing-page .qp-course-progress>b{color:var(--qp-secondary);white-space:nowrap;font-size:9px;font-weight:700}.landing-page .qp-progress-tooltip{z-index:7;color:#fff;white-space:nowrap;opacity:0;pointer-events:none;background:#211d25;border:1px solid #3227371f;border-radius:7px;padding:5px 7px;font-size:8px;font-weight:650;line-height:1;transition:opacity .16s,transform .16s;position:absolute;bottom:calc(100% + 7px);right:-5px;transform:translateY(3px);box-shadow:0 7px 18px #140f172e}.landing-page .qp-progress-tooltip:after{content:"";border:4px solid #0000;border-top-color:#211d25;position:absolute;top:100%;right:13px}.landing-page .qp-set-row:hover .qp-progress-tooltip,.landing-page .qp-course-progress:focus .qp-progress-tooltip,.landing-page .qp-course-progress:focus-visible .qp-progress-tooltip{opacity:1;transform:translateY(0)}.landing-page .qp-source-body{overscroll-behavior:contain;scrollbar-width:none;padding:18px 20px 24px;overflow-y:auto}.landing-page .qp-source-body::-webkit-scrollbar{display:none}.landing-page .qp-source-body dl{grid-template-columns:1fr 1fr;gap:8px;margin:14px 0 17px}.landing-page .qp-source-body dl div{border:1px solid var(--qp-line);background:#ffffff9e;border-radius:10px;min-width:0;padding:8px 10px;display:block}.landing-page .qp-source-body dt,.landing-page .qp-source-body dd{font-size:10px}.landing-page .qp-source-body dd{text-overflow:ellipsis;white-space:nowrap;margin-top:3px;overflow:hidden}.landing-page .qp-source-label{color:var(--qp-muted);letter-spacing:.1em;text-transform:uppercase;font-weight:800;margin-bottom:9px!important;font-size:9px!important}.landing-page .qp-pdf-excerpt{color:#302b2f;background:#fffdf8;border:1px solid #dfd7d9;border-radius:14px;padding:15px 16px 17px;box-shadow:0 10px 24px #34282f12}.landing-page .qp-pdf-excerpt-meta{color:var(--qp-link);letter-spacing:.105em;text-transform:uppercase;justify-content:space-between;align-items:flex-start;gap:12px;font-family:Avenir Next,Segoe UI,Arial,sans-serif;font-size:7.5px;font-weight:800;line-height:1.35;display:flex}.landing-page .qp-pdf-excerpt-meta small{color:#8a8388;letter-spacing:0;text-transform:none;flex:none;font-size:8px;font-weight:600}.landing-page .qp-pdf-excerpt h5{letter-spacing:-.025em;margin:11px 0 12px;font-family:Georgia,Times New Roman,serif;font-size:22px;font-weight:400;line-height:1.12}.landing-page .qp-source-copy{font-family:Georgia,Times New Roman,serif;font-size:12.5px;line-height:1.55}.landing-page .qp-source-copy p{color:#4c454a;font:inherit;line-height:inherit;margin:0 0 10px}.landing-page .qp-source-copy p:last-child{margin-bottom:0}.landing-page .qp-source-copy mark{color:inherit;-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#eff1b6;border-radius:3px;padding:2px 1px;box-shadow:0 0 0 3px #e6ea9c59}.landing-page .loop-source-explainer{background:#0d084138;border:1px solid #ffffff24;border-radius:14px;grid-column:1/-1;grid-template-columns:112px minmax(0,1fr);align-items:start;gap:14px;padding:13px 15px;animation:.22s both qp-explainer-in;display:grid}.landing-page .loop-source-explainer[hidden]{display:none!important}.landing-page .loop-source-explainer>span{color:var(--lime);letter-spacing:.11em;text-transform:uppercase;font-size:9px;font-weight:800;line-height:1.3}.landing-page .loop-source-explainer>p{color:#ffffffb3;margin:0;font-size:10px;line-height:1.45}@media (prefers-reduced-motion:reduce){.landing-page .qp-app-screen.is-card-flip-out .qp-flashcard-front,.landing-page .qp-app-screen.is-card-flip-in .qp-flashcard-answer,.landing-page .qp-app-screen.is-card-flip-in .qp-rating-row,.landing-page .loop-source-explainer{animation:none!important}}@media (max-width:700px){.landing-page .loop-source-explainer{background:var(--violet-soft);border-color:#3221b324;order:4;grid-template-columns:1fr;gap:6px;padding:13px 14px}.landing-page .loop-source-explainer>span{color:var(--violet)}.landing-page .loop-source-explainer>p{color:var(--ink-soft);font-size:10.5px}}@media (max-width:430px){.landing-page .qp-source-body{padding:16px}.landing-page .qp-source-title h3{font-size:19px}.landing-page .qp-pdf-excerpt{padding:14px}.landing-page .qp-pdf-excerpt h5{font-size:20px}.landing-page .qp-source-copy{font-size:12px}.landing-page .qp-flip-cue{bottom:14px}.landing-page .review-logic{padding-inline:16px}.landing-page .review-direction{padding-inline:2px}.landing-page .review-direction span{gap:4px}.landing-page .review-node{width:45px;height:45px}.landing-page .review-node svg{width:21px;height:21px}.landing-page .review-timeline-list:before{top:34px}.landing-page .review-rating{font-size:10px}.landing-page .review-time{font-size:13px}}@media (max-width:700px){.landing-page .review-logic{border-radius:24px;padding:22px 20px}.landing-page .review-logic h3{font-size:34px}.landing-page .review-timeline{border-radius:20px;padding:16px 14px 14px}.landing-page .review-direction{padding-inline:4px;font-size:10px}.landing-page .review-timeline-list{gap:0}.landing-page .review-node{width:50px;height:50px}.landing-page .review-node svg{width:22px;height:22px}.landing-page .review-rating{margin-top:7px;font-size:11px}.landing-page .review-time{font-size:14px}}.landing-page .review-logic{background:radial-gradient(circle at 72% 44%,#ffffff61,#0000 31%),linear-gradient(115deg,#f4e9e6 0%,#f0e4e0 53%,#f6ece9 100%);border:1px solid #74534a40;border-radius:28px;grid-template-columns:minmax(350px,.88fr) minmax(590px,1.32fr);align-items:center;gap:46px;margin-top:30px;padding:28px 34px 27px;display:grid;box-shadow:inset 0 1px #fff9}.landing-page .review-logic-copy{min-width:0}.landing-page .review-logic-copy .card-label{color:#5f5b69}.landing-page .review-logic h3{letter-spacing:-.052em;max-width:500px;margin:10px 0 0;font-size:clamp(31px,2.75vw,42px);line-height:1.045}.landing-page .review-logic-copy>p:last-child{color:#77717e;max-width:510px;margin:15px 0 0;font-size:13px;line-height:1.45}.landing-page .review-timeline{width:100%;min-width:0;box-shadow:none;background:0 0;border:0;border-radius:0;padding:0}.landing-page .review-direction{color:#77727e;grid-template-columns:auto minmax(70px,1fr) auto;align-items:center;gap:13px;padding:0 0 14px;font-size:11px;line-height:1;display:grid;position:relative}.landing-page .review-direction span{white-space:nowrap;align-items:center;gap:7px;display:inline-flex}.landing-page .review-direction i{background:#5b526040;width:100%;height:1px;display:block}.landing-page .review-direction svg{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;flex:0 0 16px;width:16px;height:16px}.landing-page .review-timeline-list{z-index:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;display:grid;position:relative}.landing-page .review-timeline-list:before{content:none}.landing-page .review-stage{text-align:left;flex-direction:column;justify-content:flex-start;align-items:flex-start;min-width:0;padding:0 20px;display:flex;position:relative}.landing-page .review-stage:first-child{padding-left:0}.landing-page .review-stage:last-child{padding-right:0}.landing-page .review-stage+.review-stage{border-left:1px solid #5b526021}.landing-page .review-dot{border-radius:50%;width:10px;height:10px;margin:0 0 7px;display:block;box-shadow:0 0 0 3px #ffffff47}.landing-page .review-rating{color:#5e5964;letter-spacing:-.01em;margin:0;font-size:12px;font-weight:660;line-height:1.2}.landing-page .review-time{color:#211e25;letter-spacing:-.04em;white-space:nowrap;margin:3px 0 0;font-size:clamp(20px,1.55vw,25px);font-weight:790;line-height:1.08}.landing-page .review-stage-again .review-dot{background:#ef8580}.landing-page .review-stage-hard .review-dot{background:#f0ca6f}.landing-page .review-stage-good .review-dot{background:#a89af0}.landing-page .review-stage-easy .review-dot{background:#9bd67d}@media (max-width:1040px){.landing-page .review-logic{grid-template-columns:minmax(300px,.8fr) minmax(500px,1.25fr);gap:32px;padding-inline:30px}.landing-page .review-stage{padding-inline:15px}.landing-page .review-time{font-size:clamp(18px,2vw,23px)}}@media (max-width:900px){.landing-page .review-logic{grid-template-columns:1fr;gap:23px;padding:26px 28px 27px}.landing-page .review-logic h3,.landing-page .review-logic-copy>p:last-child{max-width:680px}.landing-page .review-timeline{padding:0}}@media (max-width:640px){.landing-page .review-logic{border-radius:23px;gap:21px;padding:23px 20px 22px}.landing-page .review-logic h3{font-size:clamp(30px,9.1vw,38px)}.landing-page .review-logic-copy>p:last-child{margin-top:14px;font-size:12px}.landing-page .review-direction{grid-template-columns:auto minmax(0,1fr) auto;gap:9px;padding-bottom:11px;font-size:10px}.landing-page .review-direction svg{flex-basis:14px;width:14px;height:14px}.landing-page .review-stage{padding-inline:4px}.landing-page .review-dot{width:9px;height:9px;margin-bottom:6px}.landing-page .review-rating{font-size:11px}.landing-page .review-time{font-size:clamp(16px,3.2vw,18px)}}@media (max-width:460px){.landing-page .review-direction{padding-bottom:8px}.landing-page .review-timeline-list{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:1fr}.landing-page .review-stage{border-top:1px solid #0000;min-height:70px;padding:12px 14px 13px}.landing-page .review-stage:first-child{padding-left:14px}.landing-page .review-stage:last-child{padding-right:14px}.landing-page .review-stage+.review-stage{border-left:0}.landing-page .review-stage:nth-child(2n){border-left:1px solid #5b526021}.landing-page .review-stage:nth-child(n+3){border-top:1px solid #5b526021}.landing-page .review-rating{font-size:11px}.landing-page .review-time{font-size:18px}}@media (max-width:780px){.landing-page .evidence-section{padding:92px 0}.landing-page .evidence-grid{gap:38px}.landing-page .evidence-copy .section-number{margin-bottom:26px}.landing-page .evidence-copy h2{font-size:clamp(40px,12vw,58px)}.landing-page .evidence-copy>p:not(.section-number){margin-top:24px}}.landing-page .evidence-copy>.section-number{color:var(--violet);letter-spacing:.16em;text-transform:uppercase;margin:0 0 26px;padding-top:10px;font-size:11px;font-weight:820;line-height:1.5}@media (max-width:780px){.landing-page .evidence-copy>.section-number{margin-bottom:26px}.landing-page .qp-card-stack:before{transform:translateY(10px)rotate(-1.2deg)}.landing-page .qp-card-stack:after{transform:translateY(5px)rotate(.8deg)}}.landing-page .modes-section{background:radial-gradient(circle at 11% 18%,#3221b30e,#0000 24%),radial-gradient(circle at 87% 85%,#3221b30f,#0000 22%),linear-gradient(#f2f3ff 0%,#eceeff 100%);border-top-color:#6f65b11c;border-bottom-color:#6f65b11c;padding:124px 0}.landing-page .modes-grid{grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);align-items:start;gap:80px}.landing-page .modes-copy h2{max-width:660px;font-size:clamp(42px,4.65vw,65px);line-height:.98}.landing-page .modes-copy>p:not(.section-number){max-width:590px;font-size:17px;line-height:1.6}.landing-page .mode-demo{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff;border-color:#cec9e3;margin-top:10px;box-shadow:0 18px 48px #3a2e8514}.landing-page .mode-tabs{background:#f1eff8;border-bottom-color:#dcd7ea;gap:6px;padding:8px}.landing-page .mode-tabs button{color:#665f6d;border-radius:10px;min-height:52px;padding:8px 7px}.landing-page .mode-tabs button span{font-size:11px;font-weight:790}.landing-page .mode-tabs button small{color:#8d8693;font-size:8px;font-weight:600}.landing-page .mode-tabs button[aria-selected=true]{background:#fff;border-color:#3221b31a;box-shadow:0 4px 12px #3221b30f}.landing-page .mode-tabs button[aria-selected=true] small{color:#3221b3b8}.landing-page .mode-tabs button:hover{background:#ffffff8c;border-color:#3221b314}.landing-page .mode-panels{background:#fff;min-height:350px}.landing-page .mode-panel{min-height:350px;padding:28px 30px}.landing-page .mode-card-head{color:#817a88}.landing-page .mode-panel>h3{margin:25px 0 12px;font-size:26px}.landing-page .mode-panel>p{line-height:1.58}.landing-page .mode-source-line{padding-top:16px;margin-top:24px!important}.landing-page .mode-flashcard{background:#f3ece9;border-color:#cfc7c3;border-radius:20px;width:calc(100% - 12px);min-height:232px;margin:18px auto 0;padding:30px;box-shadow:inset 0 1px #ffffffa6}.landing-page .mode-flashcard p{max-width:420px;font-size:25px;line-height:1.2}.landing-page .mode-flashcard button{margin-top:24px}.landing-page .mode-flashcard strong{margin-top:22px}.landing-page .quiz-question{margin:24px 0 16px;font-size:22px}.landing-page .quiz-options{gap:8px}.landing-page .quiz-options button{background:#fefeff;border-color:#d8d4df;min-height:56px}.landing-page .quiz-feedback{margin-top:10px}.landing-page .notes-outline{margin-top:24px}.landing-page .notes-outline li{padding:13px 0}@media (max-width:1120px) and (min-width:901px){.landing-page .modes-grid{gap:44px}.landing-page .modes-copy h2{font-size:clamp(43px,5.4vw,61px)}.landing-page .mode-panel{padding-inline:26px}}@media (max-width:900px){.landing-page .modes-section{padding:104px 0}.landing-page .modes-grid{grid-template-columns:1fr;gap:44px}.landing-page .mode-demo{width:100%;max-width:760px;margin-top:0}.landing-page .modes-copy{max-width:760px}.landing-page .modes-copy h2{max-width:720px}}@media (max-width:640px){.landing-page .modes-section{padding:88px 0}.landing-page .modes-copy h2{font-size:clamp(39px,11.5vw,55px)}.landing-page .modes-copy>p:not(.section-number){font-size:16px}.landing-page .mode-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:7px}.landing-page .mode-tabs button{min-height:49px;padding:7px 5px}.landing-page .mode-panels,.landing-page .mode-panel{min-height:360px}.landing-page .mode-panel{padding:22px}.landing-page .mode-flashcard{width:100%;min-height:236px;padding:24px 20px}.landing-page .mode-flashcard p{font-size:23px}}.landing-page .hero-title-primary,.landing-page .hero-title-accent{display:block}.landing-page .hero-title-line{display:inline}.landing-page .hero-title-accent{margin-top:.04em}@media (min-width:1181px){.landing-page .hero>.container{width:min(calc(100% - 48px), var(--container))}.landing-page .hero-grid{grid-template-columns:minmax(0,1fr) minmax(470px,500px);gap:24px}.landing-page .product-loop-wrap{justify-self:end;width:100%;max-width:500px}.landing-page .product-loop-stage{grid-template-columns:120px minmax(0,316px);gap:16px;padding:24px 22px 22px}.landing-page .qp-app-frame{border-radius:25px;width:316px;height:660px}.landing-page .hero h1{letter-spacing:-.085em;max-width:716px;font-size:clamp(80px,6.7vw,92px);line-height:.87}.landing-page .hero-title-line{white-space:nowrap;display:block}}.landing-page .qp-source-title{align-items:flex-start;gap:14px}.landing-page .qp-source-title>div{min-width:0}.landing-page .qp-source-title h3{max-width:285px;font-size:21px;line-height:1.15}.landing-page .qp-source-filetype{color:var(--qp-secondary);background:#f2eff9;border-radius:7px;flex:none;padding:6px 8px;font-size:9px;font-weight:750}.landing-page .qp-source-meta-line{flex-wrap:wrap;align-items:center;gap:5px;font-family:Avenir Next,Segoe UI,Arial,sans-serif;display:flex;color:#77717b!important;margin:7px 0 0!important;font-size:10px!important;line-height:1.35!important}.landing-page .qp-source-meta-line i{color:#aaa3aa;font-style:normal}.landing-page .qp-source-meta-line span{color:inherit;font-size:inherit;font-weight:inherit;background:0 0;border-radius:0;padding:0}.landing-page .qp-source-label{color:#7f7883;letter-spacing:.105em;margin:18px 0 8px!important;font-size:8.5px!important}.landing-page .qp-pdf-excerpt{border-color:#e1dade;border-radius:15px;padding:17px 18px 19px;box-shadow:0 9px 22px #34282f0e}.landing-page .qp-pdf-excerpt-meta{color:var(--qp-link);letter-spacing:.11em;align-items:center;font-size:7.2px;line-height:1.4}.landing-page .qp-pdf-excerpt-meta span{max-width:none}.landing-page .qp-pdf-excerpt h5{margin:15px 0 18px;font-size:20px;line-height:1.16}.landing-page .qp-source-copy{font-size:12.35px;line-height:1.63}.landing-page .qp-source-copy p{margin:0 0 14px}.landing-page .qp-source-copy p.qp-source-highlight{background:#e6ea9c57;border-left:2px solid #c9d156;border-radius:0 7px 7px 0;margin:2px 0 16px;padding:9px 11px 10px 12px}.landing-page .qp-source-copy p.qp-source-highlight mark{box-shadow:none;background:0 0;border-radius:0;padding:0}@media (max-width:430px){.landing-page .qp-source-title h3{font-size:19px}.landing-page .qp-source-meta-line{font-size:9.5px!important}.landing-page .qp-source-label{margin-top:16px!important}.landing-page .qp-pdf-excerpt{padding:15px 15px 17px}.landing-page .qp-pdf-excerpt h5{margin:13px 0 16px;font-size:18.5px}.landing-page .qp-source-copy{font-size:11.8px;line-height:1.62}.landing-page .qp-source-copy p{margin-bottom:12px}.landing-page .qp-source-copy p.qp-source-highlight{margin-bottom:14px;padding:8px 9px 9px 10px}}.landing-page .brand:hover .brand-mark img{transform:none}.landing-page .footer-brand .brand-mark{flex-basis:36px;width:36px;height:36px}@media (max-width:780px){.landing-page .brand-mark{flex-basis:31px;width:31px;height:31px}.landing-page .hero-title-accent{margin-top:.035em}}@media (min-width:1360px){.landing-page .hero>.container{width:min(calc(100% - 48px), var(--container))}.landing-page .hero-grid{grid-template-columns:minmax(0,704px) 512px;gap:24px}.landing-page .product-loop-wrap{width:512px;max-width:512px}.landing-page .product-loop-stage{grid-template-columns:124px 324px;gap:16px;padding:24px 23px 22px}.landing-page .qp-app-frame{border-radius:26px;width:324px;height:670px}.landing-page .hero h1{letter-spacing:-.095em;max-width:704px;margin-top:22px;margin-bottom:28px;font-size:100px;line-height:.865}.landing-page .hero-title-accent{margin-top:.018em}}@media (min-width:1600px){.landing-page .hero>.container{width:min(calc(100% - 48px), var(--container))}}@media (min-width:1181px) and (max-width:1359px){.landing-page .hero-grid{grid-template-columns:minmax(0,1fr) 516px;gap:24px}.landing-page .product-loop-wrap{justify-self:end;width:516px;max-width:516px}.landing-page .product-loop-stage{grid-template-columns:112px 344px;gap:16px;padding:24px 22px 22px}.landing-page .qp-app-frame{border-radius:27px;width:344px;height:674px}.landing-page .hero h1{letter-spacing:-.052em;max-width:100%;font-size:clamp(76px,6.45vw,88px);line-height:.9}}@media (min-width:1360px){.landing-page .hero>.container{width:min(calc(100% - 48px), var(--container))}.landing-page .hero-grid{grid-template-columns:696px 520px;gap:24px}.landing-page .product-loop-wrap{justify-self:end;width:520px;max-width:520px}.landing-page .product-loop-stage{grid-template-columns:112px 348px;gap:16px;padding:24px 22px 22px}.landing-page .qp-app-frame{border-radius:27px;width:348px;height:680px}.landing-page .hero h1{letter-spacing:-.052em;max-width:696px;margin-top:22px;margin-bottom:28px;font-size:92px;line-height:.9}.landing-page .hero-title-accent{margin-top:.018em}}@media (min-width:1600px){.landing-page .hero h1{font-size:92px}}@media (min-width:1181px) and (max-width:1359px){.landing-page .hero>.container{width:min(calc(100% - 48px), var(--container))}.landing-page .hero-grid{grid-template-columns:minmax(0,1fr) 544px;gap:30px}.landing-page .hero-copy{min-width:0}.landing-page .hero h1{letter-spacing:-.072em;max-width:660px;font-size:clamp(76px,6.05vw,88px);line-height:.89}.landing-page .product-loop-wrap{border-radius:36px;justify-self:end;width:544px;max-width:544px}.landing-page .product-loop-head{padding-inline:24px}.landing-page .product-loop-stage{grid-template-columns:112px minmax(0,356px);gap:18px;padding:24px 24px 22px}.landing-page .product-loop-rail{padding-top:42px}.landing-page .qp-app-frame{border-radius:27px;width:356px;height:676px}}@media (min-width:1360px){.landing-page .hero>.container{width:min(calc(100% - 48px), var(--container))}.landing-page .hero-grid{grid-template-columns:minmax(0,1fr) 576px;align-items:center;gap:32px}.landing-page .hero-copy{min-width:0}.landing-page .hero h1{letter-spacing:-.074em;max-width:650px;margin-top:24px;margin-bottom:26px;font-size:92px;line-height:.885}.landing-page .hero-title-line,.landing-page .hero-title-accent{white-space:normal;display:block}.landing-page .product-loop-wrap{border-radius:38px;justify-self:end;width:576px;max-width:576px}.landing-page .product-loop-head{padding-inline:26px}.landing-page .product-loop-stage{grid-template-columns:118px minmax(0,380px);gap:18px;padding:24px 26px}.landing-page .product-loop-rail{padding-top:46px}.landing-page .qp-app-frame{border-radius:28px;width:380px;height:706px}}@media (min-width:1181px){.landing-page .hero h1{margin-bottom:18px}.landing-page .hero-lede{letter-spacing:-.018em;width:min(100%,580px);max-width:580px;font-size:18px;line-height:1.55}.landing-page .hero-actions{width:min(100%,590px);max-width:590px;margin-top:28px}.landing-page .hero-microcopy{width:min(100%,590px);max-width:590px;margin-top:14px}.landing-page .loop-rail button{color:#ffffffa3}.landing-page .loop-rail button small{color:#fff9}.landing-page .loop-rail button.is-complete{color:#ffffffdb}.landing-page .loop-rail button.is-active small{color:#ffffffc2}}@media (min-width:1181px) and (max-width:1359px){.landing-page .hero h1{letter-spacing:-.052em;font-size:clamp(74px,5.9vw,86px);line-height:.91}}@media (min-width:1360px){.landing-page .hero h1{letter-spacing:-.055em;font-size:90px;line-height:.9}}.landing-page .reveal{opacity:1;transform:none}.landing-page .launch-label{color:#e6e0e8;margin:0 0 10px;font-size:12px;font-weight:700}.landing-page .landing-launch-button{justify-content:space-between;width:100%}.landing-page .loop-mobile-state,.landing-page .qp-results-launch,.landing-page .qp-source-card-progress{display:none}.landing-page .qp-app-screen{scroll-margin-top:96px}.landing-page .qp-app-screen:focus{outline:none}.landing-page .qp-app-screen:focus-visible{outline:3px solid var(--qp-action);outline-offset:-3px}.landing-page .pace-layout>.queue-card{grid-area:1/2}.landing-page .pace-layout>.week-demo{grid-area:1/1}.landing-page .plan-scenario{border-top:1px solid #fff3;margin-top:20px;padding-top:14px}.landing-page .plan-scenario .toggle-control{color:#fff;min-height:48px;font-size:14px}.landing-page .plan-scenario input:checked+.toggle-ui{background:var(--lime)}.landing-page .plan-scenario input:checked+.toggle-ui>span{background:var(--ink)}.landing-page .plan-scenario input:focus-visible+.toggle-ui{outline-color:var(--lime)}.landing-page .plan-scenario-summary{color:#eeeaff;margin:8px 0 0;font-size:13px;line-height:1.6;display:none}@media (min-width:901px){.landing-page .pace-layout>.queue-card{z-index:1;position:relative}.landing-page .plan-scenario{border:0;margin:0;padding:0;position:absolute;top:39px;right:calc(100% + 54px)}.landing-page .plan-scenario .toggle-control{color:var(--ink);white-space:nowrap;font-size:12px}.landing-page .plan-scenario input:checked+.toggle-ui{background:var(--violet)}.landing-page .plan-scenario input:checked+.toggle-ui>span{background:#fff}.landing-page .plan-scenario input:focus-visible+.toggle-ui{outline-color:var(--violet)}}@media (max-width:900px){.landing-page .pace-layout>.queue-card,.landing-page .pace-layout>.week-demo{grid-area:auto/1}}@media (max-width:700px){.landing-page .qp-app-screen{scroll-margin-top:24px}.landing-page .product-loop-wrap{width:calc(100% + 24px);min-width:0;margin-inline:-12px}.landing-page .product-loop-head{gap:8px;padding-inline:12px}.landing-page .product-loop-label{min-width:0}.landing-page .product-loop-replay{min-height:44px;font-size:13px}.landing-page .product-loop-stage{gap:12px;padding-bottom:0}.landing-page .loop-rail{display:none}.landing-page .loop-assist{width:100%;padding:0 12px;display:block}.landing-page .loop-assist>div,.landing-page .loop-assist>p{display:none}.landing-page .loop-mobile-state{color:var(--ink-soft);font-size:13px;display:block}.landing-page .qp-app-frame{border:0;border-radius:16px;height:auto;overflow:hidden;box-shadow:0 8px 28px #271b5214}.landing-page .qp-app-screen{display:none}.landing-page .qp-app-screen.is-active{animation:none;display:flex;position:relative}.landing-page .qp-app-frame:has(>[data-app-screen=question].is-active,>[data-app-screen=answer].is-active){min-height:calc(100vh - var(--header-height) - 58px - 18px - env(safe-area-inset-bottom,0px));min-height:calc(100dvh - var(--header-height) - 58px - 18px - env(safe-area-inset-bottom,0px));grid-template-rows:auto 3px auto minmax(min-content,1fr) auto;grid-template-columns:minmax(0,1fr);display:grid}.landing-page .qp-app-frame:has(>[data-app-screen=question].is-active,>[data-app-screen=answer].is-active)>:is([data-app-screen=question],[data-app-screen=answer]){grid-area:1/1/-1/-1;grid-template-rows:subgrid;min-width:0;display:grid;position:relative}.landing-page .qp-statusbar{display:none}.landing-page .qp-app-header{padding-inline:14px}.landing-page .qp-study-header{padding-inline:12px}.landing-page .qp-study-header span{font-size:14px;font-weight:700}.landing-page .qp-topic-row{white-space:normal;min-height:46px;padding-inline:14px}.landing-page .qp-study-body{grid-row:4/span 2;grid-template-rows:subgrid;gap:12px;min-width:0;padding:0 12px 16px;display:grid}.landing-page .qp-card-stack{flex:none;min-height:280px;margin-bottom:14px}.landing-page .qp-flashcard{overflow-wrap:anywhere;grid-template-rows:auto minmax(min-content,1fr) auto;grid-template-columns:minmax(0,1fr);gap:12px;min-height:280px;padding:16px 18px;display:grid}.landing-page .qp-flashcard h3{font-size:24px;line-height:1.3}.landing-page .qp-flashcard-front:hover{transform:none}.landing-page .qp-app-screen.is-card-flip-in .qp-rating-row{animation:none}.landing-page .qp-flashcard>small{justify-self:start;font-size:12px;position:static}.landing-page .qp-flashcard h3,.landing-page .qp-flashcard-answer p{justify-self:center}.landing-page .qp-flip-cue{justify-self:center;align-items:center;min-height:44px;font-size:12px;display:flex;position:static;transform:none}.landing-page .qp-flashcard-answer p{font-size:20px}.landing-page .qp-flashcard-answer>.qp-source-link{justify-self:end;min-height:44px;position:static}.landing-page .qp-app-frame .qp-primary-button{min-height:50px;font-size:16px}.landing-page .qp-study-body>.qp-primary-button{min-height:56px}.landing-page .qp-rating-row{grid-template-columns:repeat(4,minmax(0,1fr))}.landing-page .qp-rating-row button{overflow-wrap:anywhere;min-width:0;min-height:56px}.landing-page .qp-rating-row button strong{font-size:14px}.landing-page .qp-rating-row button small{font-size:11px}.landing-page .qp-source-header{grid-template-columns:44px minmax(0,1fr) auto;gap:6px;padding-inline:12px}.landing-page .qp-source-header button{width:44px}.landing-page .qp-source-card-progress{font-size:13px;font-weight:700;display:block}.landing-page .qp-source-body{flex:none;padding:18px 14px;overflow:visible}.landing-page .qp-source-title h3{font-size:22px}.landing-page .qp-source-copy,.landing-page .qp-source-body p{font-size:15px;line-height:1.6}.landing-page .qp-pdf-excerpt{max-height:none;padding:16px;overflow:visible}.landing-page .loop-source-explainer{display:none}.landing-page .qp-sample-body{flex:none;padding:20px 14px}.landing-page .qp-sample-document p{font-size:16px;line-height:1.6}.landing-page .qp-file-picker{min-height:48px}.landing-page .qp-file-note{font-size:13px}.landing-page .qp-session-summary{padding:24px 14px 18px}.landing-page .qp-session-summary h3{font-size:27px}.landing-page .qp-summary-stats{margin-top:18px}.landing-page .qp-summary-stats span{font-size:12px}.landing-page .qp-session-results strong{font-size:14px}.landing-page .qp-session-results small{font-size:12px}.landing-page .qp-results-launch{display:block}.landing-page .qp-results-home{color:var(--qp-action);background:#fff}.landing-page .qp-app-screen-dashboard .qp-app-scroll{flex:none;overflow:visible}.landing-page .qp-bottom-nav{min-height:60px}.landing-page .queue-card{padding:24px 20px}.landing-page .queue-card ol{margin-top:20px}.landing-page .queue-card li strong{font-size:16px}.landing-page .queue-card li small{font-size:12px;line-height:1.5}.landing-page .queue-card li b{font-size:14px}.landing-page .queue-note{font-size:13px;line-height:1.6}.landing-page .plan-scenario-summary{display:block}.landing-page .queue-card .queue-note,.landing-page .week-demo .rebalance-bar{display:none}.landing-page .week-demo{padding:20px 16px}.landing-page .week-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:20px}.landing-page .day-card{min-height:108px;padding:12px 8px}.landing-page .day-card>div{flex-direction:column;align-items:flex-start;gap:4px}.landing-page .day-card>div>span{font-size:14px}.landing-page .day-card small{font-size:11px}.landing-page .day-card>strong{margin-top:12px;font-size:24px}.landing-page .day-card>p,.landing-page .day-card>i{display:none}.landing-page .mode-tabs{grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;padding:4px}.landing-page .mode-tabs button{min-height:44px;padding:6px 2px}.landing-page .mode-tabs button[aria-selected=true]{color:var(--violet)}.landing-page .mode-tabs button span{font-size:13px}.landing-page .mode-tabs button small{display:none}.landing-page .mode-panel{padding:16px 20px 20px}.landing-page .mode-card-head{gap:12px;font-size:11px;line-height:1.4}.landing-page .mode-flashcard{margin-top:12px}.landing-page .mode-panels:has(>[data-mode-panel=quiz]:not([hidden])){min-height:0}.landing-page .mode-panel[data-mode-panel=quiz]{min-height:0;padding-bottom:24px}.landing-page .mode-panel[data-mode-panel=quiz]>.quiz-question{color:var(--ink);margin:20px 0}.landing-page .quiz-options button{font-weight:500}.landing-page .quiz-feedback:empty{min-height:0;margin:0}}@media (max-width:700px) and (orientation:portrait){.landing-page .qp-card-stack{min-height:max(280px,125vw - 60px)}}@media (max-width:360px){.landing-page .week-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.landing-page .mode-flashcard:has(>[data-mode-answer]:not([hidden])){text-align:left;grid-template-rows:auto minmax(min-content,1fr) auto;grid-template-columns:minmax(0,1fr);gap:16px;display:grid}.landing-page .mode-flashcard:has(>[data-mode-answer]:not([hidden]))>p{max-width:none;color:var(--ink-soft);letter-spacing:-.02em;align-self:start;font-size:clamp(16px,1.35vw,18px);font-weight:600;line-height:1.45}.landing-page .mode-flashcard:has(>[data-mode-answer]:not([hidden]))>strong{letter-spacing:-.025em;overflow-wrap:anywhere;border-radius:12px;align-self:center;margin:0;padding:10px 16px;font-size:clamp(20px,2vw,22px);line-height:1.4}.landing-page .mode-flashcard:has(>[data-mode-answer]:not([hidden]))>button{min-height:44px;color:var(--ink-soft);text-underline-offset:3px;justify-self:end;margin:0;padding:6px 0;font-size:13px;font-weight:600;text-decoration-thickness:1px}@keyframes sourcePulse{0%,to{background:#ebe7f1}40%{background:#ddd7f7}}@keyframes marquee{to{transform:translate(-50%)}}@keyframes qp-screen-in{0%{transform:translate(15px)}to{transform:translate(0)}}@keyframes qp-card-flip-out{0%{transform:rotateY(0)}to{transform:rotateY(90deg)}}@keyframes qp-card-flip-in{0%{transform:rotateY(-90deg)}to{transform:rotateY(0)}}@keyframes qp-card-controls-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes qp-explainer-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}