.lp{--lp-spring:cubic-bezier(.34, 1.56, .64, 1);--lp-blue:#2563eb;--lp-blue-edge:#1a47b8;--lp-blue-soft:#e3edff;--lp-green:#2fbf52;--lp-green-edge:#22963f;--lp-green-soft:#ddf7e4;--lp-amber:#ffb400;--lp-amber-edge:#d69500;--lp-amber-soft:#fff1cc;--lp-red:#ff5a5f;--lp-red-edge:#d93d42;--lp-red-soft:#ffe3e3;--lp-bg:#fff;--lp-surface:#fff;--lp-ink:#28303f;--lp-ink-soft:#6b7385;--lp-line:#e3e6ee;--lp-line-strong:#cfd4df;--lp-on-color:#fff;--lp-device:#1b2230;--lp-font:"Nunito Variable", "Sora", system-ui, sans-serif;--lp-width:1080px;--lp-gutter:clamp(18px, 4vw, 32px);background:var(--lp-bg);min-height:100%;color:var(--lp-ink);font-family:var(--lp-font);flex-direction:column;display:flex}:root[theme=dark] .lp{--lp-bg:#0f1a2d;--lp-surface:#16233a;--lp-ink:#eef3ff;--lp-ink-soft:#9fb0cf;--lp-line:#24334f;--lp-line-strong:#33466a;--lp-blue:#4f86ff;--lp-blue-edge:#2d5fd6;--lp-blue-soft:#1c2d52;--lp-green-soft:#16392a;--lp-amber-soft:#3a2f12;--lp-red-soft:#3d1f24;--lp-device:#060b15}.lp 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(hover:hover){.lp-btn:hover{filter:brightness(1.06);border-bottom-width:7px;transform:translateY(-2px)}}.lp-btn:active{border-bottom-width:2px;transition-duration:60ms;transform:translateY(3px)}.lp-btn--primary:after,.lp-btn--inverse:after{content:"";z-index:-1;pointer-events:none;background:linear-gradient(105deg,#0000 30%,#ffffff47 50%,#0000 70%);position:absolute;inset:0;transform:translate(-110%)}@media (hover:hover){.lp-btn--primary:hover:after,.lp-btn--inverse:hover:after{transition:transform .65s;transform:translate(110%)}}.lp-btn--primary{background:var(--lp-blue);border-color:var(--lp-blue-edge);color:var(--lp-on-color)}.lp-btn--secondary{background:var(--lp-surface);border-color:var(--lp-line-strong);color:var(--lp-blue)}.lp-btn--inverse{color:var(--lp-blue-edge);background:#fff;border-color:#c9d8ff}@media (width<=420px){.lp-btn{letter-spacing:.03em;white-space:normal;text-align:center;text-wrap:balance;padding-inline:18px;line-height:1.15}}.lp-btn--sm{border-radius:13px;min-height:42px;padding:0 18px;font-size:.82rem}.lp a:focus-visible,.lp button:focus-visible{outline:3px solid color-mix(in srgb, var(--lp-blue) 55%, transparent);outline-offset:3px}.lp-link{white-space:nowrap;width:fit-content;color:var(--lp-blue);letter-spacing:.04em;text-transform:uppercase;padding-bottom:3px;font-size:.95rem;font-weight:800;text-decoration:none;display:inline-block}.lp-link,.lp-footer a{background:linear-gradient(var(--lp-blue), var(--lp-blue)) left bottom / 0 3px no-repeat, linear-gradient(var(--lp-blue-soft), var(--lp-blue-soft)) left bottom / 100% 3px no-repeat;transition:background-size .28s var(--lp-spring), color .16s ease}.lp-footer a{background-size:0 2px,0 2px;padding-bottom:2px}@media (hover:hover){.lp-link:hover,.lp-footer a:hover{background-size:100% 3px,100% 3px}.lp-footer 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h1{letter-spacing:-.02em;text-wrap:balance;max-width:16ch;font-size:clamp(2rem,3.8vw,2.9rem);font-weight:900;line-height:1.12}.lp-hero h1 em{color:var(--lp-red);text-decoration:underline;-webkit-text-decoration-color:var(--lp-amber);text-decoration-color:var(--lp-amber);text-underline-offset:.12em;font-style:normal;text-decoration-thickness:.14em}.lp-hero__copy>p{max-width:40ch;color:var(--lp-ink-soft);font-size:1.12rem;font-weight:600;line-height:1.55}.lp-hero__actions{gap:12px;width:min(100%,340px);margin-top:10px;display:grid}.lp-hero-art{aspect-ratio:1;justify-self:center;width:min(100%,440px);position:relative}.lp-hero-art__disc{background:var(--lp-blue-soft);border-radius:50%;position:absolute;inset:8%}.lp-card{aspect-ratio:3/4;border:3px 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var(--tone-edge);background:var(--tone);color:var(--lp-on-color);border-bottom-width:5px;border-radius:14px;justify-items:center;padding:8px 16px;font-size:.95rem;font-weight:900;line-height:1.1;animation:5s ease-in-out infinite lp-float;display:grid;position:absolute}.lp-sticker small{opacity:.9;font-size:.72rem;font-weight:700}.lp-sticker--a{animation-delay:-1s;top:10%;left:0;transform:rotate(-10deg)}.lp-sticker--b{animation-delay:-2.2s;top:2%;right:2%;transform:rotate(8deg)}.lp-sticker--c{animation-delay:-3.1s;bottom:16%;right:0;transform:rotate(-6deg)}.lp-sticker--d{animation-delay:-.4s;bottom:2%;left:2%;transform:rotate(7deg)}@keyframes lp-float{50%{translate:0 -7px}}.lp-langs{border-block:2px solid var(--lp-line)}.lp-langs__inner{max-width:calc(var(--lp-width) + 2 * var(--lp-gutter));padding:18px 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h2{color:var(--lp-blue)}.lp-try>p{color:var(--lp-ink-soft);font-size:1.08rem;font-weight:600}.lp-demo{text-align:left;gap:14px;width:min(100%,520px);margin-top:20px;display:grid}.lp-demo__head{color:var(--lp-ink-soft);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;font-size:.85rem;font-weight:800;display:grid}.lp-demo__progress{background:var(--lp-line);border-radius:999px;height:14px;overflow:hidden}.lp-demo__progress span{border-radius:inherit;background:var(--lp-green);height:100%;transition:width .3s;display:block}.lp-demo__count{font-variant-numeric:tabular-nums}.lp-demo__card{height:300px;margin:-8px}.lp-demo .flashcard__face{border:2px solid var(--lp-line-strong);box-shadow:none;font-family:var(--lp-font);border-bottom-width:6px;border-radius:22px}.lp-demo .flashcard__face--front{background:var(--lp-surface)}.lp-demo .flashcard__face--back{background:var(--lp-blue-soft);border-color:color-mix(in srgb, var(--lp-blue) 40%, var(--lp-line-strong))}.lp-demo .flashcard__text{letter-spacing:-.02em;font-weight:900}.lp-demo .flashcard__label{font-weight:800}.lp-demo__ratings{align-items:center;height:62px;display:grid}.lp-demo__reveal{width:100%;height:58px}.lp-demo .srs-rating-controls__button{border:2px solid var(--tone-edge,var(--lp-line-strong));background:var(--tone,var(--lp-surface));color:var(--lp-on-color);font-family:var(--lp-font);transition:transform .18s var(--lp-spring), border-bottom-width .18s var(--lp-spring), filter .16s ease, opacity .12s ease;animation:lp-pop-in .32s var(--lp-spring) both;border-bottom-width:5px;border-radius:14px}.lp-demo .srs-rating-controls__button:nth-child(2){animation-delay:40ms}.lp-demo .srs-rating-controls__button:nth-child(3){animation-delay:80ms}.lp-demo .srs-rating-controls__button:nth-child(4){animation-delay:.12s}@media (hover:hover){.lp-demo 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.srs-rating-controls__button--success{--tone:var(--lp-green);--tone-edge:var(--lp-green-edge)}.lp-demo__hint{min-height:1.4em;color:var(--lp-ink-soft);text-align:center;font-size:.9rem;font-weight:700}.lp-demo__keys{color:var(--lp-ink-soft);opacity:.8;margin-top:6px;font-size:.78rem;font-weight:700;display:block}.lp-demo__keys kbd{border:1px solid var(--lp-line-strong);background:var(--lp-surface);border-bottom-width:3px;border-radius:6px;padding:1px 6px;font-family:inherit;font-size:.74rem}@media (hover:none){.lp-demo__keys{display:none}}.lp-demo__badge{border:3px solid var(--lp-green-edge);background:var(--lp-green);width:48px;height:48px;color:var(--lp-on-color);border-bottom-width:6px;border-radius:50%;flex:none;place-content:center;font-size:1.5rem;animation:.42s cubic-bezier(.2,1.6,.4,1) both lp-pop;display:grid}@keyframes lp-pop{0%{opacity:0;transform:scale(.4)rotate(-6deg)}}.lp-demo__done{border:2px solid 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strong{font-size:1.15rem;font-weight:900}.lp-deck__meta{color:var(--lp-ink-soft);justify-content:space-between;font-size:.88rem;font-weight:700;display:flex}.lp-deck__meta span:last-child{color:var(--tone-edge);font-weight:900}.lp-hub-art{justify-items:center;gap:10px;display:grid}.lp-hub-card{border:2px solid var(--lp-line-strong);background:var(--lp-surface);border-bottom-width:6px;border-radius:22px;gap:10px;width:100%;padding:22px;display:grid;transform:rotate(-2deg)}.lp-hub-card__row{justify-content:space-between;align-items:center;gap:10px;display:flex}.lp-hub-card__row strong{font-size:1.12rem;font-weight:900}.lp-hub-card__pill{background:var(--lp-amber-soft);color:var(--lp-amber-edge);border-radius:999px;flex-shrink:0;padding:3px 10px;font-size:.78rem;font-weight:900}.lp-hub-card__langs{color:var(--lp-ink-soft);font-weight:700}.lp-hub-card__button{border:2px solid 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