:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--void:#0c0c0d;--charcoal:#171718;--surface:#201f22;--chalk:#f1efea;--quiet:#9b9892;--violet:#9b7cf5;--violet-soft:#b69aff;--line:#2d2c2f;--line-bright:#39363f;--font-sans:"Helvetica Neue", "Segoe UI", Arial, ui-sans-serif, sans-serif;--font-utility:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--page:min(1400px, calc(100vw - 48px))}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--void)}body{background:radial-gradient(circle at 74% 9%, #7756c614, transparent 26rem), var(--void);min-width:320px;min-height:100vh;color:var(--chalk);font-family:var(--font-sans);font-synthesis:none;text-rendering:optimizelegibility;margin:0;overflow-x:hidden}::selection{color:var(--chalk);background:#9b7cf559}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--violet-soft);outline-offset:4px}svg{display:block}.page-shell,.section-shell{width:var(--page);margin-inline:auto}.site-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#111112d1;border:1px solid #ffffff14;border-radius:18px;grid-template-columns:1fr auto 1fr;align-items:center;width:min(1440px,100vw - 32px);min-height:68px;margin:16px auto 0;padding:9px 10px 9px 22px;display:grid;position:sticky;top:16px;box-shadow:0 18px 55px #00000038}.brand,.window-brand{letter-spacing:-.025em;align-items:center;gap:10px;font-size:16px;font-weight:680;display:inline-flex}.brand__mark{fill:none;width:28px;height:28px;stroke:var(--violet);stroke-width:1.5px;overflow:visible}.brand__mark circle{fill:var(--violet-soft);stroke:none}.header-brand{justify-self:start}.header-nav{color:#aaa7a2;align-items:center;gap:34px;font-size:13px;font-weight:560;display:flex}.header-nav a,.text-link,.site-footer a{transition:color .18s}.header-nav a:hover,.text-link:hover,.site-footer a:hover{color:var(--chalk)}.header-actions{justify-self:end;align-items:center;gap:22px;display:flex}.text-link{color:#b8b5b0;font-size:13px;font-weight:580}.button{background:var(--violet);color:#120e1b;border:1px solid #aa90fa;border-radius:13px;justify-content:center;align-items:center;gap:16px;min-height:52px;padding:0 24px;font-size:14px;font-weight:720;transition:transform .18s,background .18s,box-shadow .18s;display:inline-flex;box-shadow:0 12px 35px #6748c433,inset 0 1px #fff3}.button svg,.secondary-link svg,.queue-action svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.6px;width:18px}.button:hover{background:#ad91ff;transform:translateY(-2px);box-shadow:0 16px 42px #6748c447,inset 0 1px #fff3}.button--small{border-radius:11px;min-height:46px;padding:0 18px;font-size:13px}.button--small svg{width:15px}.hero{text-align:center;padding-top:clamp(108px,13vw,190px);position:relative}.hero-glow{z-index:-1;filter:blur(10px);pointer-events:none;background:radial-gradient(#6d4dc029,#4d37870a 48%,#0000 72%);border-radius:50%;width:min(900px,88vw);height:630px;position:absolute;top:8%;left:50%;transform:translate(-50%)}.hero-copy{z-index:2;max-width:1000px;margin:0 auto;position:relative}.eyebrow,.section-kicker,.ui-eyebrow{color:var(--violet-soft);font-family:var(--font-utility);letter-spacing:.2em;text-transform:uppercase;margin:0;font-size:10px;font-weight:700;line-height:1.4}.eyebrow{align-items:center;gap:10px;display:flex}.hero .eyebrow,.final-cta .eyebrow{justify-content:center}.eyebrow>span{background:var(--violet);width:18px;height:1px}.hero h1{letter-spacing:-.025em;margin:28px 0 0;font-size:clamp(4.1rem,8.25vw,8.25rem);font-weight:590;line-height:.88}.hero h1 em{color:var(--violet-soft);font-style:normal;font-weight:470}.hero-summary{max-width:600px;color:var(--quiet);letter-spacing:-.02em;margin:34px auto 0;font-size:clamp(16px,1.4vw,19px);line-height:1.6}.hero-actions,.final-actions{justify-content:center;align-items:center;gap:28px;margin-top:36px;display:flex}.secondary-link{color:#c1beba;align-items:center;gap:12px;font-size:14px;font-weight:590;display:inline-flex}.secondary-link span{color:var(--violet-soft)}.product-window{border:1px solid var(--line-bright);text-align:left;background:#111112;border-radius:24px;overflow:hidden;box-shadow:0 45px 100px #00000070,0 0 90px #7555c914}.hero-product{z-index:1;transform-origin:bottom;width:min(1200px,94%);margin:92px auto 0;animation:.9s cubic-bezier(.2,.72,.25,1) both product-arrive;position:relative;transform:perspective(1400px)rotateX(1.5deg)}.window-bar{color:#b5b2ad;background:#181819;border-bottom:1px solid #29282b;justify-content:space-between;align-items:center;min-height:54px;padding:0 20px;font-size:12px;display:flex}.window-brand{color:var(--chalk);gap:7px;font-size:12px}.window-brand .brand__mark{width:20px;height:20px}.window-state{color:#74716d;font-family:var(--font-utility);letter-spacing:.04em;align-items:center;gap:7px;font-size:9px;display:flex}.window-state i{background:#70a884;border-radius:50%;width:6px;height:6px;box-shadow:0 0 10px #70a88480}.product-shell{grid-template-columns:150px 1fr;min-height:610px;display:grid}.product-nav{color:#85827d;background:#171718;border-right:1px solid #28272a;flex-direction:column;gap:11px;padding:30px 16px 20px;font-size:11px;font-weight:600;display:flex}.product-nav>span{border-radius:9px;padding:12px 14px}.product-nav__active{color:#bda9ff;background:#302a3d}.product-nav__status{border:1px solid #2c2b2d;border-radius:10px;margin-top:auto;padding:14px}.product-nav__status small,.product-nav__status strong{display:block}.product-nav__status small{color:#615f5b;font-family:var(--font-utility);letter-spacing:.14em;text-transform:uppercase;margin-bottom:7px;font-size:7px}.product-nav__status strong{color:#aaa7a2;font-size:10px}.product-main{background:radial-gradient(circle at 90% 10%,#7b58d20f,#0000 18rem),#0f0f10;min-width:0;padding:44px 48px 38px}.product-heading{justify-content:space-between;align-items:start;gap:30px;display:flex}.product-heading h2{letter-spacing:-.06em;margin:13px 0 0;font-size:clamp(30px,3.7vw,50px);font-weight:580;line-height:.98}.streak-pair{gap:8px;display:flex}.streak-pair>span{background:#19191a;border:1px solid #2c2b2e;border-radius:11px;min-width:76px;padding:13px}.streak-pair strong,.streak-pair small{display:block}.streak-pair strong{font-size:18px}.streak-pair small{color:#615f5b;font-family:var(--font-utility);letter-spacing:.12em;text-transform:uppercase;margin-top:4px;font-size:6px}.daily-card{background:radial-gradient(circle at 80% 45%,#7853cf26,#0000 18rem),linear-gradient(125deg,#2a282e,#1d1c1f 65%);border:1px solid #39363e;border-radius:22px;grid-template-columns:108px 1fr 150px;align-items:center;gap:30px;min-height:250px;margin-top:35px;padding:32px 38px;display:grid;overflow:hidden}.progress-ring{border:7px solid #434146;border-top-color:var(--violet);text-align:center;border-radius:50%;place-content:center;width:100px;height:100px;display:grid;transform:rotate(-20deg)}.progress-ring strong,.progress-ring span{transform:rotate(20deg)}.progress-ring strong{font-size:19px}.progress-ring span{color:#6f6c68;margin-top:3px;font-size:8px}.daily-copy h3{letter-spacing:-.05em;margin:10px 0 5px;font-size:clamp(23px,2.5vw,34px);font-weight:560;line-height:1.05}.daily-copy>p:not(.ui-eyebrow){color:#8d8984;margin:0;font-size:10px}.ui-button{background:var(--violet);color:#16111f;border-radius:8px;align-items:center;gap:20px;margin-top:24px;padding:13px 17px;font-size:10px;font-weight:720;display:inline-flex}.ui-button svg{fill:none;stroke:currentColor;width:13px}.daily-orbit{place-items:center;display:grid;position:relative}.mini-orbit{fill:none;stroke:#7258b5;stroke-width:1px;width:150px;height:150px}.mini-orbit circle{fill:#a98dff;stroke:none}.daily-orbit span{color:#bca8ff;font-family:var(--font-utility);letter-spacing:.22em;text-align:center;font-size:8px;font-weight:700;line-height:1.6;position:absolute}.metric-row{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px;display:grid}.metric-row>div{background:#19191a;border:1px solid #2c2b2e;border-radius:12px;padding:16px 18px}.metric-row span,.metric-row strong,.metric-row i{display:block}.metric-row span{color:#888580;font-size:8px}.metric-row strong{margin:7px 0 10px;font-size:18px}.metric-row i{background:#303033;border-radius:2px;height:3px;overflow:hidden}.metric-row i:after{width:var(--fill);border-radius:inherit;content:"";background:#6e579f;height:100%;display:block}.hero-note{color:#686560;font-family:var(--font-utility);letter-spacing:.04em;justify-content:center;gap:40px;margin:26px 0 0;font-size:9px;display:flex}.hero-note span:before{color:#7960b7;content:"·";margin-right:9px}.section-shell{padding-top:clamp(130px,15vw,220px)}.section-intro{max-width:620px}.section-intro h2,.recall-heading h2,.minutes-copy h2,.final-cta h2{letter-spacing:-.07em;margin:22px 0 0;font-size:clamp(3rem,6vw,6.6rem);font-weight:570;line-height:.94}.section-intro>p:not(.eyebrow),.minutes-copy>p:not(.eyebrow),.final-cta>p:not(.eyebrow){max-width:520px;color:var(--quiet);letter-spacing:-.015em;margin:28px 0 0;font-size:17px;line-height:1.65}.problem{position:relative}.fade-sequence{grid-template-columns:repeat(4,1fr);margin:82px 0 0;padding:0;list-style:none;display:grid}.fade-sequence li{border-top:1px solid #39373a;border-bottom:1px solid #252426;min-height:182px;padding:27px 24px;position:relative}.fade-sequence li:not(:last-child){border-right:1px solid #28272a}.fade-sequence li:before{background:var(--violet-soft);content:"";border-radius:50%;width:7px;height:7px;position:absolute;top:-4px;left:24px;box-shadow:0 0 14px #9b7cf5b3}.fade-sequence li:nth-child(2){opacity:.78}.fade-sequence li:nth-child(3){opacity:.52}.fade-sequence li:nth-child(4){opacity:.28}.fade-sequence span,.fade-sequence strong{display:block}.fade-sequence span{color:var(--violet-soft);font-family:var(--font-utility);letter-spacing:.15em;text-transform:uppercase;font-size:9px;font-weight:700}.fade-sequence strong{letter-spacing:-.035em;margin-top:45px;font-size:clamp(18px,2vw,26px);font-weight:540}.fade-sequence i{background:linear-gradient(90deg,#9b7cf599,#0000);width:100%;height:1px;position:absolute;top:-1px;right:0}.return-line{color:#bcb8b2;border-bottom:1px solid #2a282d;justify-content:space-between;align-items:center;min-height:90px;padding:0 24px;font-size:13px;display:flex;position:relative}.return-line i{background:radial-gradient(ellipse, var(--violet), transparent 70%);border-radius:50%;height:3px;position:absolute;bottom:-2px;left:16px;right:16px;transform:scaleX(.75);box-shadow:0 -10px 45px #9b7cf559}.return-line b{border:2px solid var(--violet-soft);border-radius:50%;width:9px;height:9px}.fsrs-layout{grid-template-columns:minmax(300px,.72fr) minmax(560px,1.28fr);gap:clamp(55px,8vw,130px);display:grid}.section-intro--sticky{align-self:start;position:sticky;top:135px}.technical-note{font-family:var(--font-utility);border-top:1px solid #28272a;padding-top:25px;color:#65625e!important;letter-spacing:0!important;font-size:10px!important}.technical-note abbr{color:#8f78ce;text-decoration:none}.curve-card{border:1px solid var(--line-bright);background:radial-gradient(circle at 70% 10%,#805adb1c,#0000 19rem),#181719;border-radius:24px;padding:27px 27px 22px;overflow:hidden;box-shadow:0 30px 80px #00000040}.curve-card__head{justify-content:space-between;align-items:start;gap:24px;display:flex}.curve-card__head strong{letter-spacing:-.04em;margin-top:13px;font-size:24px;font-weight:560;display:block}.stability-pill{color:#a995e0;font-family:var(--font-utility);background:#201d24;border:1px solid #39333f;border-radius:20px;padding:8px 10px;font-size:8px}.curve-plot{height:320px;margin-top:32px;position:relative}.curve-grid{background-image:linear-gradient(#ffffff09 1px,#0000 1px),linear-gradient(90deg,#ffffff09 1px,#0000 1px);background-size:100% 25%,12.5% 100%;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#000,#00000080);mask-image:linear-gradient(90deg,#000,#00000080)}.curve-plot>svg{width:100%;height:calc(100% - 50px);position:absolute;inset:12px 0 38px;overflow:visible}.curve-area{fill:url(#curveFill)}.curve-line{fill:none;stroke:url(#curveStroke);stroke-width:2px;vector-effect:non-scaling-stroke}.review-point{font-family:var(--font-utility);grid-template-columns:8px 1fr;align-items:center;column-gap:6px;display:grid;position:absolute;bottom:4px;transform:translate(-50%)}.review-point i{background:#181719;border:2px solid #b89dff;border-radius:50%;grid-row:1/3;width:7px;height:7px;box-shadow:0 0 12px #9b7cf58c}.review-point span{color:#b7b2ac;font-size:8px}.review-point small{color:#625f5b;font-size:7px}.point-1{left:9%}.point-2{left:20%}.point-3{left:42%}.point-4{left:82%}.point-5{left:98%}.curve-legend{color:#625f5b;font-family:var(--font-utility);border-top:1px solid #2d2b2f;justify-content:space-between;padding-top:14px;font-size:8px;display:flex}.adaptive-list{border-top:1px solid #302e32;margin-top:18px}.adaptive-list>div{border-bottom:1px solid #29272b;grid-template-columns:48px 1fr;gap:18px;padding:24px 8px;display:grid}.adaptive-list span{color:#6f56af;font-family:var(--font-utility);font-size:9px}.adaptive-list p{color:#77746f;margin:0;font-size:14px;line-height:1.6}.adaptive-list strong{color:#c9c6c0;font-weight:570}.recall-heading{justify-content:space-between;align-items:end;gap:50px;display:flex}.recall-heading h2 span{color:var(--violet)}.recall-contrast{grid-template-columns:1fr 140px 1fr;align-items:stretch;margin-top:75px;display:grid}.recall-contrast article{background:#171718;border:1px solid #302f31;border-radius:24px;min-height:390px;padding:clamp(28px,4vw,54px)}.recall-contrast article p{letter-spacing:-.045em;margin:52px 0 25px;font-size:clamp(23px,2.5vw,34px);font-weight:520}.contrast-label{color:#77736f;font-family:var(--font-utility);letter-spacing:.16em;text-transform:uppercase;font-size:9px;font-weight:700}.recognition-side{opacity:.65}.recall-contrast article small{color:#6e6b67;margin-top:20px;font-size:11px;line-height:1.5;display:block}.recognition-demo,.recall-demo{background:#1d1d1e;border:1px solid #343336;border-radius:13px;flex-direction:column;justify-content:center;min-height:91px;padding:18px 20px;display:flex}.recognition-demo span,.recall-demo span{color:#77746f;font-size:11px}.recognition-demo strong,.recall-demo strong{margin-top:9px;font-size:17px;font-weight:570}.recognition-demo strong{filter:blur(3px)}.recall-side{box-shadow:0 30px 90px #00000040;background:radial-gradient(circle at 50% 100%,#7953d324,#0000 18rem),#1c1a20!important}.recall-side .contrast-label,.recall-demo strong{color:var(--violet-soft)}.cursor{background:var(--violet-soft);vertical-align:-2px;width:1px;height:1em;margin-left:3px;animation:1.1s step-end infinite blink;display:inline-block}.retrieval-path{justify-content:center;align-items:center;display:flex;position:relative}.retrieval-path:before{content:"";background:linear-gradient(90deg,#333136,#8c6ee1,#333136);width:100%;height:1px;position:absolute}.retrieval-path span{z-index:1;background:var(--void);color:#8167c8;font-family:var(--font-utility);letter-spacing:.1em;text-transform:uppercase;padding:8px;font-size:8px;position:relative}.retrieval-path i{z-index:2;background:var(--violet-soft);border-radius:50%;width:6px;height:6px;position:absolute}.retrieval-path i:first-child{left:12px}.retrieval-path i:last-child{right:12px}.section-intro--wide{grid-template-columns:1.3fr .7fr;align-items:end;column-gap:100px;max-width:none;display:grid}.section-intro--wide .eyebrow{grid-column:1/-1}.section-intro--wide h2{grid-column:1}.section-intro--wide>p:not(.eyebrow){grid-column:2;margin-bottom:4px}.showcase-grid{grid-template-columns:1.25fr .75fr;gap:16px;margin-top:78px;display:grid}.showcase-panel{background:#171718;border:1px solid #313034;border-radius:24px;min-width:0;position:relative;overflow:hidden}.showcase-panel .showcase-copy h3{letter-spacing:-.055em;margin:13px 0 0;font-size:clamp(25px,3.1vw,42px);font-weight:540;line-height:1}.showcase-panel .showcase-copy p{color:#85817c;max-width:420px;margin:17px 0 0;font-size:13px;line-height:1.6}.showcase-panel--daily{background:radial-gradient(circle at 100% 100%,#7753cd1f,#0000 26rem),#171718;min-height:570px;padding:44px}.queue-ui{background:#201f22;border:1px solid #39363f;border-radius:18px;width:72%;padding:25px;position:absolute;bottom:-24px;right:-35px;transform:rotate(-2deg);box-shadow:-20px -20px 80px #00000038}.queue-head,.queue-line,.queue-action{align-items:center;display:flex}.queue-head{border-bottom:1px solid #333136;justify-content:space-between;padding-bottom:21px}.queue-head span{font-size:15px;font-weight:600}.queue-head small{color:#8a748f;font-family:var(--font-utility);font-size:8px}.queue-line{color:#999690;border-bottom:1px solid #2f2e31;gap:12px;padding:16px 0;font-size:11px}.queue-line i{border-radius:50%;width:8px;height:8px}.queue-line__due{background:#9b7cf5}.queue-line__weak{background:#c28a5b}.queue-line__new{background:#5b8f7a}.queue-line strong{color:#cac7c2;margin-left:auto}.queue-action{background:var(--violet);color:#17111f;border-radius:10px;justify-content:space-between;margin-top:23px;padding:17px 18px;font-size:11px;font-weight:700}.showcase-panel--vocab{background:#1c1a20;min-height:570px;padding:44px 38px}.word-stack{height:270px;position:absolute;bottom:25px;left:26px;right:26px}.word-card{background:#242128;border:1px solid #403b48;border-radius:16px;min-height:176px;padding:24px;position:absolute;left:0;right:0;box-shadow:0 -10px 30px #0000002e}.word-card--back{color:#5f5868;top:0;left:28px;right:28px;transform:rotate(4deg)}.word-card--middle{color:#756b80;top:23px;left:14px;right:14px;transform:rotate(-2deg)}.word-card--front{background:linear-gradient(145deg,#2c2832,#1d1c1f);flex-direction:column;display:flex;top:54px}.word-card--front small{color:#827890;font-family:var(--font-utility);font-size:8px}.word-card--front strong{letter-spacing:-.04em;margin-top:22px;font-size:25px;font-weight:550}.word-card--front>span{color:#928e89;margin-top:5px;font-size:12px}.word-card--front div{color:#786b8b;align-items:center;gap:8px;margin-top:auto;font-size:9px;display:flex}.word-card--front i{background:#8470c4;border-radius:50%;width:6px;height:6px}.showcase-panel--grammar{background:radial-gradient(circle at 15%,#7954d01c,#0000 21rem),#171718;grid-template-columns:1.18fr .82fr;align-items:center;gap:50px;min-height:420px;padding:50px;display:grid}.grammar-prompt{background:#201e23;border:1px solid #3a3740;border-radius:18px;padding:28px;box-shadow:0 26px 65px #0003}.prompt-top{color:#746f78;font-family:var(--font-utility);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;font-size:8px;display:flex}.grammar-prompt>p{color:#d9d5d0;margin:50px 0 44px;font-size:clamp(16px,2vw,24px);line-height:1.5}.blank{border-bottom:1px solid var(--violet-soft);min-width:78px;display:inline-block}.answer-row{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.answer-row span{color:#938f89;text-align:center;border:1px solid #37353a;border-radius:8px;padding:11px 8px;font-size:10px}.answer-row span:first-child{color:#b9a5f7;background:#2a2435;border-color:#7056b1}.showcase-panel--library{min-height:420px;padding:42px 38px}.showcase-panel--library .showcase-copy h3{font-size:clamp(24px,2.5vw,35px)}.library-ui{margin-top:42px}.set-tabs{gap:7px;margin-bottom:25px;display:flex;overflow:hidden}.set-tabs span{color:#66635f;border:1px solid #302f32;border-radius:7px;flex:none;padding:8px 10px;font-size:8px}.set-tabs .active{color:#ab96e8;background:#292333;border-color:#55416f}.mastery-row{color:#7e7b76;grid-template-columns:65px 1fr 32px;align-items:center;gap:10px;margin-top:18px;font-size:9px;display:grid}.mastery-row>i{background:#2d2c2f;border-radius:4px;height:4px;overflow:hidden}.mastery-row b{border-radius:inherit;background:#8065ca;height:100%;display:block}.mastery-row strong{color:#aaa6a1;font-family:var(--font-utility);font-size:8px}.minutes-panel{background:radial-gradient(circle at 85% 55%,#7d57d629,#0000 24rem),linear-gradient(130deg,#211f24,#171719 66%);border:1px solid #38353d;border-radius:28px;grid-template-columns:1fr .9fr;align-items:center;gap:100px;min-height:560px;padding:clamp(45px,7vw,95px);display:grid;overflow:hidden}.minutes-copy h2{max-width:720px;font-size:clamp(2.8rem,5vw,5.4rem)}.minutes-copy .secondary-link{color:var(--violet-soft);margin-top:33px}.day-plan{background:#131215d1;border:1px solid #3e3945;border-radius:19px;padding:28px;box-shadow:0 30px 70px #00000040}.day-plan__top,.day-plan__bottom{justify-content:space-between;align-items:center;display:flex}.day-plan__top span{color:#88847f;font-family:var(--font-utility);letter-spacing:.12em;text-transform:uppercase;font-size:9px}.day-plan__top strong{letter-spacing:-.04em;font-size:26px;font-weight:540}.day-plan__track{align-items:stretch;gap:5px;height:132px;margin:35px 0 20px;display:flex}.day-plan__track>span{color:#dedad5;border-radius:10px;flex-direction:column;justify-content:flex-end;padding:14px;font-size:18px;font-weight:560;display:flex}.day-plan__track small{color:#ffffff80;font-family:var(--font-utility);letter-spacing:.08em;text-transform:uppercase;margin-top:4px;font-size:7px;font-weight:400}.track-due{background:#5b478f;flex:2}.track-weak{background:#473a3e;flex:1}.track-new{background:#293c35;flex:1}.day-plan__bottom{color:#6e6b67;font-family:var(--font-utility);font-size:8px}.day-plan__bottom span:last-child{color:#a48ce5}.final-cta{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:720px;display:flex;position:relative;overflow:hidden}.final-cta:before{z-index:-1;content:"";background:radial-gradient(#704dc926,#0000 68%);border-radius:50%;width:min(900px,90vw);height:500px;position:absolute}.final-cta h2{max-width:1040px}.final-cta>p:not(.eyebrow){margin-inline:auto}.final-orbit{opacity:.16;pointer-events:none;width:720px;height:720px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.final-orbit .mini-orbit{width:100%;height:100%;animation:36s linear infinite orbit-turn}.site-footer{color:#6d6965;border-top:1px solid #29282b;grid-template-columns:auto 1fr auto auto;align-items:center;gap:40px;min-height:130px;font-size:11px;display:grid}.site-footer p{margin:0}.site-footer nav{gap:25px;display:flex}.site-footer small{font-family:var(--font-utility);font-size:8px}@keyframes product-arrive{0%{opacity:0;transform:perspective(1400px)rotateX(5deg)translateY(28px)}to{opacity:1;transform:perspective(1400px)rotateX(1.5deg)translateY(0)}}@keyframes blink{0%,45%{opacity:1}46%,to{opacity:0}}@keyframes orbit-turn{to{transform:rotate(360deg)}}@media (max-width:1100px){:root{--page:min(100% - 40px, 980px)}.product-shell{grid-template-columns:120px 1fr;min-height:550px}.product-main{padding:36px 30px}.daily-card{grid-template-columns:90px 1fr 110px;gap:20px;padding:28px}.progress-ring{width:82px;height:82px}.mini-orbit{width:115px;height:115px}.fsrs-layout{grid-template-columns:.75fr 1.25fr;gap:55px}.recall-contrast{grid-template-columns:1fr 90px 1fr}.showcase-grid{grid-template-columns:1.15fr .85fr}.showcase-panel--grammar{grid-template-columns:1fr;gap:40px}.minutes-panel{gap:55px}}@media (max-width:820px){:root{--page:calc(100vw - 32px)}.site-header{grid-template-columns:1fr auto;min-height:62px;padding-left:16px}.header-nav{display:none}.header-actions{gap:16px}.hero{padding-top:105px}.hero h1{font-size:clamp(3.8rem,13vw,6.5rem)}.hero-product{width:100%;margin-top:70px;transform:none}.product-shell{grid-template-columns:1fr;min-height:520px}.product-nav{display:none}.product-main{padding:32px 24px}.product-heading h2{font-size:clamp(27px,6vw,42px)}.daily-card{grid-template-columns:80px 1fr}.daily-orbit{display:none}.fade-sequence{grid-template-columns:repeat(2,1fr)}.fade-sequence li:nth-child(2){border-right:0}.fsrs-layout{grid-template-columns:1fr}.section-intro--sticky{position:static}.curve-card{margin-top:15px}.recall-contrast{grid-template-columns:1fr;gap:14px}.retrieval-path{min-height:55px;transform:rotate(90deg)}.recall-contrast article{min-height:350px}.section-intro--wide{display:block}.showcase-grid{grid-template-columns:1fr}.showcase-panel--daily,.showcase-panel--vocab{min-height:540px}.showcase-panel--grammar{grid-template-columns:1.1fr .9fr}.minutes-panel{grid-template-columns:1fr}.site-footer{grid-template-columns:1fr auto;padding:35px 0}.site-footer p{display:none}.site-footer nav{grid-row:2;gap:18px}.site-footer small{grid-row:2}}@media (max-width:560px){:root{--page:calc(100vw - 24px)}.site-header{border-radius:15px;width:calc(100vw - 16px);margin-top:8px;top:8px}.header-brand .brand span{display:none}.header-actions{gap:13px}.button--small{min-height:42px;padding:0 14px}.button--small svg{display:none}.hero{padding-top:92px}.hero h1{margin-top:23px;font-size:clamp(3.25rem,16vw,5rem);line-height:.91}.hero-summary{margin-top:26px;font-size:15px}.hero-actions,.final-actions{flex-direction:column;gap:21px;margin-top:30px}.hero-actions .button,.final-actions .button{width:100%}.product-window{border-radius:17px}.hero-product{width:calc(100vw - 16px);margin-left:calc(50% - 50vw + 8px)}.window-state{display:none}.product-shell{min-height:500px}.product-main{padding:28px 18px}.streak-pair{display:none}.product-heading h2{font-size:29px}.daily-card{border-radius:16px;min-height:270px;margin-top:25px;padding:25px 22px;display:block}.progress-ring{display:none}.daily-copy h3{margin-top:12px;font-size:27px}.daily-copy>p:not(.ui-eyebrow){line-height:1.5}.ui-button{justify-content:space-between;width:100%;margin-top:28px;padding:15px}.metric-row{grid-template-columns:1fr}.metric-row>div:nth-child(n+3){display:none}.hero-note{flex-direction:column;align-items:center;gap:9px}.section-shell{padding-top:120px}.section-intro h2,.recall-heading h2,.final-cta h2{font-size:clamp(2.8rem,14vw,4.2rem)}.section-intro>p:not(.eyebrow),.minutes-copy>p:not(.eyebrow),.final-cta>p:not(.eyebrow){font-size:15px}.fade-sequence{margin-top:55px}.fade-sequence li{min-height:148px;padding:23px 15px}.fade-sequence li:before{left:15px}.fade-sequence strong{margin-top:35px;font-size:18px}.return-line{padding-inline:15px;font-size:11px}.return-line span{max-width:250px;line-height:1.5}.fsrs-layout{gap:42px}.curve-card{border-radius:18px;padding:22px 16px 18px}.curve-card__head{align-items:end}.curve-card__head strong{font-size:19px}.stability-pill{font-size:7px}.curve-plot{height:270px}.review-point span{display:none}.curve-legend span:last-child{text-align:right;max-width:180px}.adaptive-list>div{grid-template-columns:32px 1fr;gap:8px;padding:20px 2px}.adaptive-list p{font-size:13px}.recall-contrast{margin-top:50px}.recall-heading{display:block}.recall-contrast article{min-height:310px;padding:28px 22px}.recall-contrast article p{margin-top:38px}.showcase-grid{margin-top:55px}.showcase-panel{border-radius:18px}.showcase-panel--daily,.showcase-panel--vocab{min-height:500px;padding:32px 24px}.queue-ui{width:95%;right:-28px}.word-stack{left:14px;right:14px}.showcase-panel--grammar{grid-template-columns:1fr;gap:35px;padding:30px 22px}.grammar-prompt{padding:20px}.grammar-prompt>p{margin:38px 0 34px}.showcase-panel--library{min-height:410px;padding:32px 24px}.minutes-panel{border-radius:20px;gap:50px;min-height:auto;padding:38px 22px}.minutes-copy h2{font-size:clamp(2.6rem,12vw,4rem)}.day-plan{padding:20px}.day-plan__track>span{padding:10px;font-size:14px}.day-plan__bottom{flex-direction:column;align-items:start;gap:8px}.final-cta{min-height:650px}.final-orbit{width:500px;height:500px}.site-footer{grid-template-columns:1fr;gap:24px}.site-footer nav,.site-footer small{grid-row:auto}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}