@font-face{font-family:Onest;font-style:normal;font-weight:300 800;font-display:swap;src:url(/fonts/onest-cyrillic.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Onest;font-style:normal;font-weight:300 800;font-display:swap;src:url(/fonts/onest-latin.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}:root{--d-bg:oklch(0.17 0.025 262);--d-bg-2:oklch(0.205 0.028 262);--d-surface:oklch(0.235 0.03 262);--d-surface-2:oklch(0.28 0.032 262);--d-line:oklch(0.33 0.03 262);--d-line-soft:oklch(0.26 0.028 262);--d-ink:oklch(0.97 0.008 262);--d-ink-2:oklch(0.82 0.018 262);--d-ink-3:oklch(0.68 0.022 262);--d-accent:oklch(0.81 0.145 74);--d-accent-2:oklch(0.72 0.15 68);--d-accent-ink:oklch(0.21 0.05 74);--d-accent-text:oklch(0.81 0.145 74);--d-accent-soft:oklch(0.32 0.06 70);--d-ok:oklch(0.78 0.13 158);--d-warn:oklch(0.82 0.14 88);--d-danger:oklch(0.72 0.16 25);--d-shadow-1:0 1px 2px oklch(0.08 0.03 262/0.5);--d-shadow-2:0 4px 10px oklch(0.08 0.03 262/0.45),0 14px 36px oklch(0.08 0.03 262/0.5);--d-shadow-3:0 6px 16px oklch(0.08 0.03 262/0.5),0 24px 60px oklch(0.08 0.03 262/0.55);--l-bg:oklch(0.975 0.012 258);--l-bg-2:oklch(1 0 0);--l-surface:oklch(1 0 0);--l-surface-2:oklch(0.965 0.011 258);--l-line:oklch(0.9 0.016 258);--l-line-soft:oklch(0.945 0.012 258);--l-ink:oklch(0.25 0.03 262);--l-ink-2:oklch(0.44 0.025 262);--l-ink-3:oklch(0.53 0.022 262);--l-accent:oklch(0.78 0.16 68);--l-accent-2:oklch(0.7 0.17 62);--l-accent-ink:oklch(0.24 0.055 62);--l-accent-text:oklch(0.44 0.155 52);--l-accent-soft:oklch(0.94 0.05 72);--l-ok:oklch(0.5 0.13 158);--l-warn:oklch(0.52 0.13 74);--l-danger:oklch(0.52 0.18 25);--l-shadow-1:0 1px 2px oklch(0.55 0.05 262/0.1);--l-shadow-2:0 2px 6px oklch(0.55 0.06 262/0.08),0 12px 28px oklch(0.55 0.06 262/0.12);--l-shadow-3:0 4px 10px oklch(0.55 0.06 262/0.1),0 20px 48px oklch(0.55 0.06 262/0.16);--bg:var(--l-bg);--bg-2:var(--l-bg-2);--surface:var(--l-surface);--surface-2:var(--l-surface-2);--line:var(--l-line);--line-soft:var(--l-line-soft);--ink:var(--l-ink);--ink-2:var(--l-ink-2);--ink-3:var(--l-ink-3);--accent:var(--l-accent);--accent-2:var(--l-accent-2);--accent-ink:var(--l-accent-ink);--accent-text:var(--l-accent-text);--accent-soft:var(--l-accent-soft);--ok:var(--l-ok);--warn:var(--l-warn);--danger:var(--l-danger);--shadow-1:var(--l-shadow-1);--shadow-2:var(--l-shadow-2);--shadow-3:var(--l-shadow-3);color-scheme:light;--sp-1:0.25rem;--sp-2:0.5rem;--sp-3:0.75rem;--sp-4:1rem;--sp-5:1.5rem;--sp-6:2rem;--sp-7:3rem;--sp-8:4.5rem;--sp-9:7rem;--r-1:12px;--r-2:20px;--r-3:28px;--r-4:36px;--r-pill:999px;--ease-out:cubic-bezier(0.23,1,0.32,1);--ease-in-out:cubic-bezier(0.77,0,0.175,1);--ease-pop:cubic-bezier(0.34,1.56,0.64,1);--t-fast:140ms;--t-mid:220ms;--t-slow:420ms;--wrap:1120px;--read:68ch;--site-header-h:68px;--z-sticky:100;--z-nav:200;--z-overlay:300;--z-modal:400}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:var(--d-bg);--bg-2:var(--d-bg-2);--surface:var(--d-surface);--surface-2:var(--d-surface-2);--line:var(--d-line);--line-soft:var(--d-line-soft);--ink:var(--d-ink);--ink-2:var(--d-ink-2);--ink-3:var(--d-ink-3);--accent:var(--d-accent);--accent-2:var(--d-accent-2);--accent-ink:var(--d-accent-ink);--accent-text:var(--d-accent-text);--accent-soft:var(--d-accent-soft);--ok:var(--d-ok);--warn:var(--d-warn);--danger:var(--d-danger);--shadow-1:var(--d-shadow-1);--shadow-2:var(--d-shadow-2);--shadow-3:var(--d-shadow-3);color-scheme:dark}}:root[data-theme=dark]{--bg:var(--d-bg);--bg-2:var(--d-bg-2);--surface:var(--d-surface);--surface-2:var(--d-surface-2);--line:var(--d-line);--line-soft:var(--d-line-soft);--ink:var(--d-ink);--ink-2:var(--d-ink-2);--ink-3:var(--d-ink-3);--accent:var(--d-accent);--accent-2:var(--d-accent-2);--accent-ink:var(--d-accent-ink);--accent-text:var(--d-accent-text);--accent-soft:var(--d-accent-soft);--ok:var(--d-ok);--warn:var(--d-warn);--danger:var(--d-danger);--shadow-1:var(--d-shadow-1);--shadow-2:var(--d-shadow-2);--shadow-3:var(--d-shadow-3);color-scheme:dark}*,:after,:before{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%}body{min-height:100dvh;background:var(--bg);color:var(--ink);font-family:Onest,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}img,svg{display:block;max-width:100%}button,input,select,textarea{font:inherit;color:inherit}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px;border-radius:4px}.display{font-size:clamp(2rem,1.25rem + 3.2vw,3.4rem);line-height:1.06;letter-spacing:-.03em}.display,.h1{font-weight:700;text-wrap:balance}.h1{font-size:clamp(1.6rem,1.15rem + 2vw,2.4rem);line-height:1.15;letter-spacing:-.02em}.h2{font-size:clamp(1.25rem,1.05rem + .9vw,1.6rem);line-height:1.25;letter-spacing:-.015em;font-weight:650;text-wrap:balance}.h3{font-size:1.08rem;line-height:1.35;font-weight:600;letter-spacing:-.01em}.lead{font-size:clamp(1.05rem,.98rem + .35vw,1.25rem);line-height:1.55}.lead,.sub{color:var(--ink-2);max-width:var(--read);text-wrap:pretty}.muted{color:var(--ink-3);font-size:.9rem}.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--sp-4)}.section{padding-block:clamp(var(--sp-7),5vw,var(--sp-8))}.section-line{border-top:1px solid var(--line-soft)}.stack{gap:var(--sp-4)}.stack,.stack-sm{display:flex;flex-direction:column}.stack-sm{gap:var(--sp-2)}.stack-lg{display:flex;flex-direction:column;gap:var(--sp-6)}.row{flex-wrap:wrap}.row,.spread{display:flex;align-items:center;gap:var(--sp-3)}.spread{justify-content:space-between}.grid-auto{display:grid;grid-gap:var(--sp-4);gap:var(--sp-4);grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.center-screen{min-height:100dvh;display:grid;place-items:center;text-align:center;padding:var(--sp-5)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);padding:.7rem 1.15rem;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);color:var(--ink);font-weight:600;font-size:.97rem;line-height:1.2;cursor:pointer;white-space:nowrap;transition:transform var(--t-fast) var(--ease-out),background-color var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent);border-color:transparent;color:var(--accent-ink)}.btn-ghost{background:transparent}.btn-lg{padding:.9rem 1.6rem;font-size:1.05rem}.btn-block{width:100%}.btn-danger{color:var(--danger);border-color:color-mix(in oklch,var(--danger) 40%,transparent);background:transparent}@media (hover:hover) and (pointer:fine){.btn:hover:not(:disabled){background:var(--surface-2)}.btn-primary:hover:not(:disabled){background:var(--accent-2)}.btn-ghost:hover:not(:disabled){background:var(--surface)}}.link{color:var(--accent-text);font-weight:550;text-underline-offset:3px}@media (hover:hover) and (pointer:fine){.link:hover{text-decoration:underline}}.panel{background:var(--surface)}.panel,.panel-quiet{border:1px solid var(--line-soft);border-radius:var(--r-2);padding:var(--sp-5)}.panel-quiet{background:transparent}.tile{display:block;width:100%;text-align:left;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-2);padding:var(--sp-4);color:inherit;cursor:pointer;transition:transform var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out),background-color var(--t-fast) var(--ease-out)}.tile:active{transform:scale(.99)}@media (hover:hover) and (pointer:fine){.tile:hover{border-color:var(--line);background:var(--surface-2)}}.tile-locked{background:transparent;border-style:dashed}.badge{display:inline-flex;align-items:center;gap:.4rem;padding:.28rem .7rem;border-radius:var(--r-pill);font-size:.83rem;font-weight:550;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line-soft)}.badge-ok{color:var(--ok);border-color:color-mix(in oklch,var(--ok) 35%,transparent);background:color-mix(in oklch,var(--ok) 10%,transparent)}.badge-warn{color:var(--warn);border-color:color-mix(in oklch,var(--warn) 35%,transparent);background:color-mix(in oklch,var(--warn) 10%,transparent)}.badge-accent{color:var(--accent-text);border-color:color-mix(in oklch,var(--accent) 40%,transparent);background:color-mix(in oklch,var(--accent) 10%,transparent)}.notice{border:1px solid color-mix(in oklch,var(--accent) 35%,transparent);background:color-mix(in oklch,var(--accent) 9%,transparent);border-radius:var(--r-1);padding:var(--sp-3) var(--sp-4);font-size:.95rem}.notice-error{border-color:color-mix(in oklch,var(--danger) 45%,transparent);background:color-mix(in oklch,var(--danger) 10%,transparent)}.field{display:flex;flex-direction:column;gap:var(--sp-2)}.field>label{font-size:.92rem;font-weight:550;color:var(--ink-2)}.input{width:100%;padding:.75rem .9rem;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-1);color:var(--ink);transition:border-color var(--t-fast) var(--ease-out)}.input::placeholder{color:var(--ink-3)}.input:focus{outline:none;border-color:var(--accent-text)}.field-hint{font-size:.85rem;color:var(--ink-3)}.field-error{font-size:.85rem;color:var(--danger)}.check{display:flex;align-items:flex-start;gap:var(--sp-3);font-size:.92rem;color:var(--ink-2);cursor:pointer}.check input{margin-top:.25rem;width:1.1rem;height:1.1rem;accent-color:var(--accent-text);flex:none}.tabs{display:flex;gap:var(--sp-1);padding:var(--sp-1);background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-pill)}.tabs button{flex:1 1;padding:.55rem .9rem;border:none;background:transparent;border-radius:var(--r-pill);font-weight:550;color:var(--ink-2);cursor:pointer;transition:background-color var(--t-fast) var(--ease-out)}.tabs button[aria-selected=true]{background:var(--surface-2);color:var(--ink)}html{scroll-padding-top:calc(var(--site-header-h, 68px) + var(--sp-4))}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:var(--z-nav);background:color-mix(in oklch,var(--bg) 86%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}.site-header-inner{display:flex;align-items:center;gap:var(--sp-5);height:68px}.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;letter-spacing:-.02em;font-size:1.05rem;flex:none}.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:800;font-size:.95rem;flex:none}.site-nav{display:flex;align-items:center;gap:var(--sp-5);margin-left:auto}.site-nav-links a{color:var(--ink-2);font-size:.95rem;font-weight:500;transition:color var(--t-fast) var(--ease-out)}@media (hover:hover) and (pointer:fine){.site-nav-links a:hover{color:var(--ink)}}.site-nav-links{display:flex;gap:var(--sp-5)}.site-burger{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid var(--line-soft);border-radius:var(--r-1);background:transparent;color:var(--ink);cursor:pointer}@media (max-width:800px){.site-nav-links{display:none}.site-burger{display:inline-flex}}.site-menu{width:min(420px,100%);margin:0 0 0 auto;max-height:100dvh;border:none;border-left:1px solid var(--line-soft);background:var(--surface);color:var(--ink);padding:0}.site-menu::-webkit-backdrop{background:color-mix(in oklch,var(--bg) 70%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.site-menu::backdrop{background:color-mix(in oklch,var(--bg) 70%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.site-menu-inner{gap:var(--sp-4);padding:var(--sp-5);padding-top:calc(var(--sp-5) + env(safe-area-inset-top));padding-bottom:calc(var(--sp-5) + env(safe-area-inset-bottom))}.site-menu-inner,.site-menu-links{display:flex;flex-direction:column}.site-menu-links a{display:flex;align-items:center;min-height:48px;padding-block:var(--sp-2);border-bottom:1px solid var(--line-soft);font-size:1.05rem}.site-menu-links a[aria-current=page]{color:var(--accent)}.site-footer{border-top:1px solid var(--line-soft);padding-block:var(--sp-6);color:var(--ink-3);font-size:.9rem}.footer-cols{display:grid;grid-gap:var(--sp-5);gap:var(--sp-5);grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.footer-cols a{display:block;padding-block:.2rem;color:var(--ink-2)}.app-shell{--tabbar-h:58px;min-height:100dvh;display:grid;grid-template-columns:236px 1fr}.app-side{border-right:1px solid var(--line-soft);padding:var(--sp-5) var(--sp-4);gap:var(--sp-5);position:-webkit-sticky;position:sticky;top:0;height:100dvh}.app-main,.app-side{display:flex;flex-direction:column}.app-main{min-width:0;min-height:100dvh}.app-main-inner{max-width:760px;margin-inline:auto;width:100%;padding:var(--sp-5) var(--sp-4) var(--sp-7)}.nav-item{display:flex;align-items:center;gap:var(--sp-3);padding:.6rem .75rem;border-radius:var(--r-1);color:var(--ink-2);font-weight:550;font-size:.97rem;transition:background-color var(--t-fast) var(--ease-out)}.nav-item[aria-current=page]{background:var(--surface);color:var(--ink)}@media (hover:hover) and (pointer:fine){.nav-item:hover{background:var(--surface)}}.nav-ico{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.tabbar{display:none;z-index:var(--z-nav);background:color-mix(in oklch,var(--bg) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line-soft);padding:.35rem .25rem calc(.35rem + env(safe-area-inset-bottom))}.tabbar-item{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:.15rem;padding:.35rem .25rem;font-size:.72rem;font-weight:550;color:var(--ink-3);border-radius:var(--r-1)}.tabbar-item[aria-current=page]{color:var(--accent-text)}@media (max-width:860px){.app-shell{grid-template-columns:1fr}.app-side{display:none}.tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;min-height:calc(var(--tabbar-h) + env(safe-area-inset-bottom))}.app-main{padding-bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom))}}.chat-screen{display:flex;flex-direction:column;height:100dvh;max-height:100dvh}.app-main>.chat-screen{height:auto;max-height:none;flex:1 1;min-height:0}.chat-head{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3) var(--sp-4);border-bottom:1px solid var(--line-soft);flex:none}.chat-head .title{font-weight:650;letter-spacing:-.01em;margin-inline:auto}.icon-btn{border:1px solid var(--line-soft);background:transparent;color:var(--ink-2);border-radius:var(--r-pill);padding:.4rem .8rem;font-size:.88rem;font-weight:550;cursor:pointer;transition:background-color var(--t-fast) var(--ease-out),transform var(--t-fast) var(--ease-out)}.icon-btn:active{transform:scale(.96)}@media (hover:hover) and (pointer:fine){.icon-btn:hover{background:var(--surface)}}.msgs{flex:1 1;overflow-y:auto;padding:var(--sp-4);scroll-behavior:smooth}.msgs-inner{width:100%;max-width:720px;margin-inline:auto;display:flex;flex-direction:column;gap:var(--sp-3)}.msg{padding:.7rem 1rem;border-radius:var(--r-2);max-width:88%;white-space:pre-wrap;overflow-wrap:anywhere;animation:msg-in var(--t-mid) var(--ease-out) both}.msg.user{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:6px;font-weight:500}.msg.tutor{align-self:flex-start;background:var(--surface);border:1px solid var(--line-soft);border-bottom-left-radius:6px}@keyframes msg-in{0%{opacity:0;transform:translateY(6px) scale(.985)}}.typing{display:inline-flex;gap:4px;align-items:center;height:1.4em}.typing i{width:6px;height:6px;border-radius:50%;background:var(--ink-3);animation:typing 1.1s var(--ease-out) infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes typing{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.composer{flex:none;padding:var(--sp-3) var(--sp-4);padding-bottom:calc(var(--sp-3) + env(safe-area-inset-bottom));border-top:1px solid var(--line-soft);background:var(--bg)}.composer-inner{width:100%;max-width:720px;margin-inline:auto;display:flex;gap:var(--sp-2);align-items:flex-end}.photo-btn{flex:0 0 auto;border:none;background:transparent;color:var(--ink-3);cursor:pointer;padding:6px;border-radius:var(--r-1);display:grid;place-items:center}.photo-btn:disabled{opacity:.4;cursor:default}@media (hover:hover) and (pointer:fine){.photo-btn:not(:disabled):hover{color:var(--accent-text);background:var(--surface-2)}}.composer-extra{width:100%;max-width:720px;margin-inline:auto}.photo-preview{position:relative;width:84px;height:84px;margin-bottom:var(--sp-2);border-radius:var(--r-1);overflow:hidden;border:1px solid var(--line)}.photo-preview img{width:100%;height:100%;object-fit:cover;display:block}.photo-drop{position:absolute;top:3px;right:3px;width:20px;height:20px;border:none;border-radius:50%;background:var(--bg);color:var(--ink);cursor:pointer;display:grid;place-items:center}.typing-note{color:var(--ink-3);font-size:.92rem}.photo-note{font-size:.8rem;color:var(--ink-3);margin-bottom:var(--sp-2)}.composer textarea{flex:1 1;resize:none;max-height:8rem;padding:.7rem .9rem;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-2);line-height:1.45}.composer textarea:focus{outline:none;border-color:var(--accent-text)}.send{flex:none;width:44px;height:44px;border-radius:50%;border:none;background:var(--accent);color:var(--accent-ink);cursor:pointer;display:grid;place-items:center;transition:transform var(--t-fast) var(--ease-out)}.send:active:not(:disabled){transform:scale(.94)}.send:disabled{opacity:.4;cursor:not-allowed}.disclaimer{flex:none;text-align:center;font-size:.76rem;color:var(--ink-3);padding-bottom:var(--sp-2)}.grade-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(68px,1fr));grid-gap:var(--sp-3);gap:var(--sp-3)}.grade-btn{aspect-ratio:1;border-radius:var(--r-2);border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:1.35rem;font-weight:650;cursor:pointer;transition:transform var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out),color var(--t-fast) var(--ease-out)}.grade-btn:active{transform:scale(.95)}.grade-btn[aria-pressed=true]{border-color:var(--accent-text);color:var(--accent-text)}.divide>*+*{border-top:1px solid var(--line-soft);padding-top:var(--sp-4);margin-top:var(--sp-4)}.code-chip{display:inline-flex;align-items:center;gap:var(--sp-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.15rem;font-weight:600;letter-spacing:.12em;padding:.45rem .85rem;border-radius:var(--r-1);background:var(--bg-2);border:1px dashed var(--line)}.steps{counter-reset:step;display:grid;grid-gap:var(--sp-5);gap:var(--sp-5)}.step{display:grid;grid-template-columns:2.4rem 1fr;grid-gap:var(--sp-4);gap:var(--sp-4);align-items:start}.step:before{counter-increment:step;content:counter(step);width:2.4rem;height:2.4rem;border-radius:50%;display:grid;place-items:center;font-weight:700;color:var(--accent-text);border:1px solid color-mix(in oklch,var(--accent) 40%,transparent)}.price-head{display:flex;align-items:baseline;gap:.35rem;flex:none;white-space:nowrap}.price-num{font-size:2.2rem;font-weight:700;letter-spacing:-.03em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.faq{border-top:1px solid var(--line-soft);padding-block:var(--sp-4)}.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:var(--sp-4)}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--accent-text);font-weight:400;font-size:1.3rem;line-height:1}.faq[open] summary:after{content:"−"}.faq p{color:var(--ink-2);max-width:var(--read);padding-top:var(--sp-3)}.hero-grid{display:grid;grid-gap:clamp(var(--sp-5),4vw,var(--sp-7));gap:clamp(var(--sp-5),4vw,var(--sp-7));grid-template-columns:1fr;align-items:center}@media (min-width:900px){.hero-grid{grid-template-columns:1fr 1fr}}.compare{list-style:none;padding:0;display:grid;grid-gap:0;gap:0}.compare li{display:grid;grid-gap:var(--sp-2) var(--sp-5);gap:var(--sp-2) var(--sp-5);grid-template-columns:1fr;padding-block:var(--sp-4);border-top:1px solid var(--line-soft)}.compare li:last-child{border-bottom:1px solid var(--line-soft)}@media (min-width:760px){.compare li{grid-template-columns:1fr 1fr;align-items:baseline}}.compare-them{color:var(--ink-3);text-decoration:line-through;-webkit-text-decoration-color:color-mix(in oklch,var(--ink-3) 45%,transparent);text-decoration-color:color-mix(in oklch,var(--ink-3) 45%,transparent)}.compare-us{font-weight:550}.subject-row{gap:var(--sp-4);justify-content:space-between;flex-wrap:wrap}.subject-row,.subject-row-price{display:flex;align-items:baseline}.subject-row-price{gap:.4rem;flex:none}.auth-wrap{max-width:420px}.check-list{list-style:none;padding:0;grid-gap:var(--sp-3);max-width:var(--read)}.check-list,.check-list li{display:grid;gap:var(--sp-3)}.check-list li{grid-template-columns:1.4rem 1fr;grid-gap:var(--sp-3);color:var(--ink-2)}.check-list li:before{content:"✓";color:var(--accent-text);font-weight:700}.reveal{animation:reveal .42s var(--ease-out) both}@keyframes reveal{0%{opacity:0;transform:translateY(10px)}}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.btn{transition:transform var(--t-fast) var(--ease-out),background-color var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out),box-shadow var(--t-fast) var(--ease-out)}@media (hover:hover) and (pointer:fine){.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 20px color-mix(in oklch,var(--accent) 30%,transparent)}}.hello-row{display:flex;align-items:center;gap:var(--sp-4)}.kid-surface{position:relative;isolation:isolate;padding-bottom:calc(var(--sp-9) + var(--sp-6))}.kid-decor{position:fixed;inset:0 0 auto 0;height:460px;pointer-events:none;z-index:-1;background:radial-gradient(340px 300px at 22% 6%,color-mix(in oklch,oklch(.7 .16 235) 26%,transparent),transparent 72%),radial-gradient(420px 340px at 88% -4%,color-mix(in oklch,oklch(.78 .15 74) 24%,transparent),transparent 72%),radial-gradient(300px 280px at 58% 34%,color-mix(in oklch,oklch(.72 .15 345) 16%,transparent),transparent 74%)}.subject-card{--sub-c:oklch(0.72 0.14 var(--sub-hue,74));display:flex;gap:var(--sp-4);align-items:flex-start;text-align:left;width:100%;padding:var(--sp-5);border-radius:var(--r-4);border:1px solid color-mix(in oklch,var(--sub-c) 34%,var(--line-soft));background:linear-gradient(135deg,color-mix(in oklch,var(--sub-c) 18%,var(--surface)),var(--surface) 78%);color:inherit;box-shadow:0 2px 6px color-mix(in oklch,var(--sub-c) 22%,transparent),0 12px 28px color-mix(in oklch,var(--sub-c) 16%,transparent);transition:transform var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out),box-shadow var(--t-mid) var(--ease-out)}.subject-card:active{transform:scale(.985)}@media (hover:hover) and (pointer:fine){.subject-card:hover{box-shadow:0 4px 10px color-mix(in oklch,var(--sub-c) 26%,transparent),0 20px 44px color-mix(in oklch,var(--sub-c) 22%,transparent)}}.subject-card{animation:card-in .42s var(--ease-out) backwards}.subject-card:nth-child(2){animation-delay:60ms}.subject-card:nth-child(3){animation-delay:.12s}.subject-card:nth-child(4){animation-delay:.18s}@keyframes card-in{0%{opacity:0;transform:translateY(10px)}}.subject-card-body{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:var(--sp-2)}.subject-ico{width:48px;height:48px;flex:none;border-radius:16px;display:grid;place-items:center;background:color-mix(in oklch,var(--sub-c) 30%,var(--surface));color:color-mix(in oklch,var(--sub-c) 80%,var(--ink))}.continue-tile{border-radius:var(--r-3);border-color:color-mix(in oklch,var(--accent) 35%,var(--line-soft));background:linear-gradient(135deg,color-mix(in oklch,var(--accent) 14%,var(--surface)),var(--surface) 74%)}@media (hover:hover) and (pointer:fine){.continue-tile:hover{border-color:color-mix(in oklch,var(--accent) 55%,var(--line-soft));background:linear-gradient(135deg,color-mix(in oklch,var(--accent) 18%,var(--surface)),var(--surface) 74%)}}.subject-go{color:var(--accent-text);font-size:1.35rem;line-height:1;transition:transform var(--t-fast) var(--ease-out)}@media (hover:hover) and (pointer:fine){.subject-card:hover{transform:translateY(-2px);border-color:color-mix(in oklch,var(--sub-c) 48%,var(--line-soft));box-shadow:0 12px 28px color-mix(in oklch,var(--sub-c) 20%,transparent)}.continue-tile:hover .subject-go,.subject-card:hover .subject-go{transform:translateX(4px)}}@media (max-width:430px){.subject-card-body>.spread:has(.price-head){flex-direction:column;align-items:flex-start;gap:var(--sp-1)}}.subject-card-locked{border-style:dashed;background:transparent;cursor:default}.subject-card-locked .subject-ico{opacity:.6}@media (hover:hover) and (pointer:fine){.subject-card-locked:hover{transform:none;box-shadow:none}}.subject-panel{--sub-c:oklch(0.72 0.14 var(--sub-hue,74));border-color:color-mix(in oklch,var(--sub-c) 30%,var(--line-soft));background:linear-gradient(140deg,color-mix(in oklch,var(--sub-c) 12%,var(--surface)),var(--surface) 62%)}.subject-panel-title{display:flex;align-items:center;gap:var(--sp-3)}.limit{display:flex;flex-direction:column;gap:.35rem;width:100%;--limit-c:var(--sub-c,var(--accent))}.limit[data-tone=low]{--limit-c:var(--warn)}.limit[data-tone=out]{--limit-c:var(--ink-3)}.limit-track{height:6px;border-radius:var(--r-pill);background:color-mix(in oklch,var(--ink-3) 22%,transparent);overflow:hidden}.limit-fill{height:100%;border-radius:inherit;background:var(--limit-c);transition:width var(--t-mid) var(--ease-out),background-color var(--t-mid) var(--ease-out)}.limit-label{font-size:.82rem;color:var(--ink-3)}.limit[data-tone=low] .limit-label,.limit[data-tone=out] .limit-label{color:var(--limit-c)}.streak{display:flex;flex-direction:column;gap:var(--sp-3);padding:var(--sp-4);border-radius:var(--r-2);border:1px solid color-mix(in oklch,var(--accent) 22%,var(--line-soft));background:linear-gradient(120deg,color-mix(in oklch,var(--accent) 10%,var(--surface)),var(--surface) 70%)}.streak-head{display:flex;align-items:center;gap:var(--sp-2)}.streak-flame{display:grid;place-items:center;width:30px;height:30px;border-radius:var(--r-pill);background:color-mix(in oklch,var(--accent) 20%,transparent);color:var(--accent-text)}.streak-count{font-weight:650;letter-spacing:-.01em}.streak-week{display:flex;gap:var(--sp-2)}.streak-day{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:.3rem}.streak-dot{width:100%;height:26px;border-radius:var(--r-1);background:color-mix(in oklch,var(--ink-3) 16%,transparent);border:1px solid transparent}.streak-day[data-active] .streak-dot{background:var(--accent)}.streak-day[data-today] .streak-dot{border-color:color-mix(in oklch,var(--accent) 55%,transparent)}.streak-letter{font-size:.7rem;color:var(--ink-3)}.streak-day[data-today] .streak-letter{color:var(--ink-2);font-weight:600}.streak-note{font-size:.85rem;color:var(--ink-3)}.avatar{display:inline-grid;place-items:center;flex:none}.avatar svg{width:100%;height:100%}.av-eye{transform-box:fill-box;transform-origin:center;animation:av-blink 4.4s infinite}@keyframes av-blink{0%,93%,to{transform:scaleY(1)}95%,97%{transform:scaleY(.12)}}.avatar-live{animation:av-bob 3.4s ease-in-out infinite}@keyframes av-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.mascot{position:fixed;right:clamp(.75rem,3vw,2rem);bottom:calc(1rem + env(safe-area-inset-bottom));z-index:var(--z-sticky);display:flex;flex-direction:column;align-items:flex-end;gap:var(--sp-2);max-width:min(280px,calc(100vw - 2rem));pointer-events:none}.mascot>*{pointer-events:auto}@media (max-width:860px){.mascot{bottom:calc(78px + env(safe-area-inset-bottom))}}.mascot-char .char-stage{width:112px;height:112px}@media (max-width:640px){.mascot-char .char-stage{width:84px;height:84px}}.mascot-char{position:relative;border:none;background:transparent;padding:0;cursor:-webkit-grab;cursor:grab;touch-action:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:transform var(--t-fast) var(--ease-out)}.mascot-char:active{transform:scale(.94)}@keyframes mascot-cheer-flat{0%{transform:translateY(0) rotate(0deg)}35%{transform:translateY(-18px) rotate(8deg)}60%{transform:translateY(0) rotate(-4deg) scaleY(.94)}80%{transform:translateY(-6px) rotate(2deg)}to{transform:translateY(0) rotate(0deg)}}.mascot-char[data-cheer] .avatar{animation:mascot-cheer-flat .85s var(--ease-out)}.mascot-char[data-dozing] .avatar{animation:none;transform:rotate(-7deg);opacity:.72;transition:transform var(--t-slow) var(--ease-out),opacity var(--t-slow) var(--ease-out)}.mascot[data-dragging] .mascot-char{cursor:-webkit-grabbing;cursor:grabbing;transform:scale(1.06)}.mascot[data-dragging] .mascot-shadow{animation:none;transform:translateX(-50%) scale(1.3);opacity:.4}.mascot-bubble{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2);border-bottom-right-radius:6px;padding:var(--sp-3) var(--sp-6) var(--sp-3) var(--sp-4);font-size:.92rem;line-height:1.45;box-shadow:var(--shadow-3);animation:bubble-pop var(--t-mid) var(--ease-out) both}@keyframes bubble-pop{0%{opacity:0;transform:translateY(6px) scale(.96)}}.mascot-bubble:after{content:"";position:absolute;right:24px;bottom:-7px;width:12px;height:12px;background:var(--surface);border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-bottom-right-radius:3px;transform:rotate(45deg)}.mascot-close{position:absolute;top:4px;right:6px;border:none;background:transparent;color:var(--ink-3);font-size:1.05rem;line-height:1;cursor:pointer;padding:3px 7px;border-radius:7px}@media (hover:hover) and (pointer:fine){.mascot-close:hover{background:var(--surface-2);color:var(--ink)}}.msg-row{display:flex;gap:var(--sp-2);align-items:flex-end;max-width:88%}.msg-row .msg{max-width:100%}.msg-ava{flex:none;margin-bottom:2px}.chat-hello{display:flex;flex-direction:column;align-items:center;gap:var(--sp-3);text-align:center;padding-block:var(--sp-7)}.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--sp-2);margin-top:var(--sp-2)}.chip{padding:.5rem .95rem;border-radius:var(--r-pill);border:1px solid color-mix(in oklch,var(--accent) 30%,var(--line-soft));background:color-mix(in oklch,var(--accent) 8%,transparent);color:var(--ink);font-size:.9rem;font-weight:550;cursor:pointer;transition:transform var(--t-fast) var(--ease-out),background-color var(--t-fast) var(--ease-out)}.chip:active{transform:scale(.96)}@media (hover:hover) and (pointer:fine){.chip:hover{background:color-mix(in oklch,var(--accent) 16%,transparent)}}.avatar-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:var(--sp-3);gap:var(--sp-3)}@media (min-width:480px){.avatar-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width:1024px){.avatar-grid{grid-template-columns:repeat(6,1fr)}}.avatar-pick{display:flex;flex-direction:column;align-items:center;gap:var(--sp-2);padding:var(--sp-3) var(--sp-2);border-radius:var(--r-2);border:2px solid var(--line-soft);background:var(--bg-2);cursor:pointer;transition:transform var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out),box-shadow var(--t-fast) var(--ease-out)}.avatar-pick:active{transform:scale(.96)}@media (hover:hover) and (pointer:fine){.avatar-pick:hover{transform:translateY(-2px);border-color:var(--line)}}.avatar-pick[aria-pressed=true]{border-color:var(--accent-text);box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 22%,transparent)}.avatar-pick[data-locked]{position:relative;border-style:dashed}.avatar-pick[data-locked] .avatar{opacity:.9}.avatar-lock{position:absolute;top:6px;right:6px;display:grid;place-items:center;width:22px;height:22px;border-radius:var(--r-pill);background:var(--surface-2);border:1px solid var(--line-soft);color:var(--accent-text)}.avatar-pick-name{font-size:.88rem;font-weight:600;color:var(--ink);text-align:center}.avatar-pick-motto{font-size:.75rem;line-height:1.3;color:var(--ink-3);text-align:center;text-wrap:pretty}.hero-avatars{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:var(--sp-5);gap:var(--sp-5)}.helper{display:flex;flex-direction:column;align-items:center;gap:var(--sp-2);text-align:center;padding:var(--sp-4);border-radius:var(--r-3);background:var(--surface);border:1px solid var(--line-soft);box-shadow:var(--shadow-1);transition:transform var(--t-fast) var(--ease-out),box-shadow var(--t-mid) var(--ease-out)}@media (hover:hover) and (pointer:fine){.helper:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}}.helper figcaption{display:flex;flex-direction:column;gap:2px}.helper .muted{font-size:.86rem}.helper:nth-child(2) .avatar{animation-delay:.4s}.helper:nth-child(3) .avatar{animation-delay:.8s}.helper:nth-child(4) .avatar{animation-delay:1.2s}.helper:nth-child(5) .avatar{animation-delay:1.6s}.helper:nth-child(6) .avatar{animation-delay:2s}.hero-avatars .muted{flex-basis:100%;color:var(--ink-2);font-size:.95rem}@keyframes enter-drop{0%{transform:translateY(-140%) scaleY(1.35) scaleX(.75);opacity:0}55%{transform:translateY(0) scaleY(1.1) scaleX(.92);opacity:1}70%{transform:translateY(0) scaleY(.7) scaleX(1.28)}85%{transform:translateY(0) scaleY(1.08) scaleX(.95)}to{transform:translateY(0) scale(1)}}@keyframes enter-jump{0%{transform:translate(160%,40%) rotate(28deg) scale(.8);opacity:0}60%{transform:translateY(-14%) rotate(-8deg) scale(1.06);opacity:1}80%{transform:translate(0) rotate(3deg) scale(.97)}to{transform:translate(0) rotate(0) scale(1)}}@keyframes enter-boot{0%{transform:scale(.2);opacity:0}40%{transform:scale(1.12);opacity:1}55%{transform:scale(.94)}70%{transform:scale(1.04)}to{transform:scale(1)}}@keyframes enter-glide{0%{transform:translate(120%,-90%) rotate(-18deg) scale(.85);opacity:0}50%{transform:translate(-14%,-22%) rotate(9deg) scale(1.02);opacity:1}to{transform:translate(0) rotate(0) scale(1)}}@keyframes enter-flutter{0%{transform:translateY(-150%) rotate(-12deg);opacity:0}35%{transform:translateY(-46%) rotate(10deg);opacity:1}60%{transform:translateY(-18%) rotate(-7deg)}82%{transform:translateY(-4%) rotate(4deg)}to{transform:translateY(0) rotate(0)}}@keyframes enter-float{0%{transform:translateY(120%) scale(.9);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.mascot-char[data-entrance=drop]{animation:enter-drop .9s var(--ease-out) both}.mascot-char[data-entrance=jump]{animation:enter-jump .76s var(--ease-out) both}.mascot-char[data-entrance=boot]{animation:enter-boot .62s var(--ease-out) both}.mascot-char[data-entrance=glide]{animation:enter-glide .9s var(--ease-out) both}.mascot-char[data-entrance=flutter]{animation:enter-flutter 1s var(--ease-out) both}.mascot-char[data-entrance=float]{animation:enter-float 1.1s cubic-bezier(.16,.84,.28,1) both}.mascot-shadow{position:absolute;left:50%;bottom:-6px;width:62%;height:12px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(ellipse at center,oklch(.4 .05 262/.3),transparent 70%);animation:shadow-breathe 3.9s ease-in-out infinite;pointer-events:none}@keyframes shadow-breathe{0%,to{transform:translateX(-50%) scaleX(1);opacity:1}50%{transform:translateX(-50%) scaleX(.86);opacity:.7}}.mascot[data-anchored]{position:fixed;width:112px;max-width:none}@media (max-width:640px){.mascot[data-anchored]{width:84px}}.mascot[data-docked]{position:absolute;width:84px;max-width:none}.mascot[data-anchored] .mascot-bubble,.mascot[data-docked] .mascot-bubble{position:absolute;bottom:calc(100% + var(--sp-2));left:0;width:max-content;max-width:min(260px,calc(100vw - 2rem))}.mascot[data-anchored][data-side=left] .mascot-bubble{left:auto;right:0}.mascot-dock{display:block;flex:none;width:84px;height:84px}.page-head{display:flex;align-items:center;gap:var(--sp-4)}@media (max-width:640px){.mascot-dock{width:76px;height:76px}}.mascot[data-docked] .mascot-char .char-stage{width:84px;height:84px}@media (max-width:640px){.mascot[data-docked] .mascot-char .char-stage{width:76px;height:76px}}.mascot-dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid var(--bg);animation:dot-in var(--t-mid) var(--ease-pop) both}@keyframes dot-in{0%{transform:scale(.4);opacity:0}}.demo{padding:var(--sp-4);flex-direction:column;box-shadow:var(--shadow-2)}.demo,.demo-head{display:flex;gap:var(--sp-3)}.demo-head{align-items:center;padding-bottom:var(--sp-3);border-bottom:1px solid var(--line-soft)}.demo-msgs{max-width:none;min-height:340px;max-height:340px;overflow-y:auto;justify-content:flex-end}.demo-current{animation:msg-in var(--t-mid) var(--ease-out) both}.demo-caret{display:inline-block;width:2px;height:1em;margin-left:2px;vertical-align:text-bottom;background:currentColor;animation:caret 1s steps(2) infinite}@keyframes caret{50%{opacity:0}}.demo-replay{align-self:center}.chat-title-row{display:flex;align-items:center;gap:var(--sp-2);min-width:0}.chat-hello-char{margin-inline:auto}.char-stage{position:relative;display:block;flex:none}.char-stage .avatar,.char3d{width:100%;height:100%;transition:opacity var(--t-slow) var(--ease-out)}.char3d{position:absolute;inset:0;opacity:0;pointer-events:none}.char3d.is-live{opacity:1}.char3d.is-live+.avatar,.char3d[data-3d=live]~.avatar{opacity:0}.sk{display:block;border-radius:var(--r-1);background:linear-gradient(100deg,var(--surface-2) 30%,color-mix(in oklch,var(--surface-2) 55%,var(--surface)) 50%,var(--surface-2) 70%);background-size:220% 100%;animation:sk-shimmer 1.4s linear infinite}@keyframes sk-shimmer{0%{background-position:140% 0}to{background-position:-40% 0}}.sk-line{border-radius:var(--r-pill)}.sk-circle{border-radius:50%;flex:none}.sk-ico{width:46px;height:46px;border-radius:var(--r-2);flex:none}.sk-strip{height:68px;border-radius:var(--r-3)}.sk-card,.sk-row{display:flex;gap:var(--sp-4);align-items:flex-start;padding:var(--sp-5);border:1px solid var(--line-soft);border-radius:var(--r-4);background:var(--surface)}.sk-row{padding:var(--sp-4) var(--sp-5);border-radius:var(--r-2)}.sk-avatars{display:flex;flex-wrap:wrap;gap:var(--sp-4)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.avatar-pick:active,.btn:active,.chip:active,.grade-btn:active,.icon-btn:active,.mascot-char:active,.send:active,.subject-card:active,.tile:active{transform:none}.av-eye,.avatar-live,.mascot-char,.mascot-char[data-cheer] .avatar,.mascot-shadow,.sk{animation:none}.sk{background:var(--surface-2)}}.mascot{transition:left var(--hop-ms,.42s) cubic-bezier(.33,0,.2,1),bottom var(--hop-ms,.42s) cubic-bezier(.33,0,.2,1)}.mascot[data-dragging]{transition:none}@keyframes mascot-hop-arc{0%{transform:translateY(0) scale(1)}16%{transform:translateY(0) scale(1.08,.9)}50%{transform:translateY(calc(-38px * var(--hop-rise, 1))) scale(.96,1.06)}84%{transform:translateY(0) scale(1.07,.91)}to{transform:translateY(0) scale(1)}}.mascot[data-hopping] .char-stage{animation:mascot-hop-arc var(--hop-ms,.42s) var(--ease-out)}@keyframes perch-press{0%,to{transform:translateY(0)}30%{transform:translateY(3px) scaleY(.995)}55%{transform:translateY(-1px)}}[data-touch=tile]{animation:perch-press .46s var(--ease-out)}@keyframes perch-nudge{0%,to{transform:translateX(0)}35%{transform:translateX(4px)}70%{transform:translateX(-1.5px)}}[data-touch=line]{animation:perch-nudge .52s var(--ease-out)}.lift-word{display:inline-block}@keyframes word-lift{0%{transform:translateY(0) rotate(0deg)}22%{transform:translateY(-7px) rotate(-5deg)}72%{transform:translateY(-7px) rotate(-5deg)}to{transform:translateY(0) rotate(0deg)}}.lift-word[data-touch=word]{animation:word-lift 1s var(--ease-out)}@media (prefers-reduced-motion:reduce){.mascot{transition:none}.mascot[data-hopping] .char-stage,[data-touch]{animation:none}}.subject-card[data-spent] .h3,.subject-card[data-spent] .subject-ico{opacity:.72}.mascot[data-bubble=below] .mascot-bubble{bottom:auto;top:calc(100% + var(--sp-2))}.mascot[data-bubble=below] .mascot-bubble:after{bottom:auto;top:-7px;border:none;border-left:1px solid var(--line);border-top:1px solid var(--line);border-bottom-right-radius:0;border-top-left-radius:3px}.next-tile{border-color:var(--line);background:linear-gradient(180deg,var(--surface) 0,var(--surface-2) 100%);box-shadow:var(--shadow-1)}.next-tile-cta{display:inline-block;margin-top:var(--sp-3);font-weight:620;color:var(--accent-text)}.goal-tile{border-style:dashed;background:transparent}.goal-grid{display:grid;grid-gap:var(--sp-2);gap:var(--sp-2);grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.goal-grid-compact{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.goal-btn{display:flex;flex-direction:column;gap:var(--sp-1);text-align:left;padding:var(--sp-3) var(--sp-4);border-radius:var(--r-2);border:2px solid var(--line-soft);background:var(--surface);color:inherit;cursor:pointer;transition:transform var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out)}.goal-btn:active{transform:scale(.98)}@media (hover:hover) and (pointer:fine){.goal-btn:hover{border-color:var(--line)}}.goal-btn[aria-checked=true]{border-color:var(--accent-text);box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 20%,transparent)}.goal-btn[aria-checked=true] .goal-btn-label{color:var(--accent-text);font-weight:700}.goal-btn:disabled{opacity:.6;cursor:progress}.goal-btn-label{font-weight:600;color:var(--ink)}.goal-btn-hint{font-size:.82rem;line-height:1.35;color:var(--ink-3);text-wrap:pretty}.avatar-pick[aria-checked=true],.grade-btn[aria-checked=true]{border-color:var(--accent-text);color:var(--accent-text)}.avatar-pick[aria-checked=true]{box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 22%,transparent)}.avatar-pick-style{font-size:.78rem;line-height:1.3;color:var(--ink-2);text-align:center;text-wrap:pretty}.ordered-steps{list-style:none;padding:0;margin:0;display:grid;grid-gap:var(--sp-3);gap:var(--sp-3);max-width:var(--read);counter-reset:step}.ordered-steps li{display:grid;grid-template-columns:2rem 1fr;align-items:baseline;grid-gap:var(--sp-3);gap:var(--sp-3);color:var(--ink-2)}.ordered-steps-num{display:grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent-text);font-size:.82rem;font-weight:700}.check-list-muted li:before,.check-list-no li:before{content:"—";color:var(--ink-3);font-weight:700}.check-list-muted li{color:var(--ink-3)}.def-list{list-style:none;padding:0;margin:0;display:grid;grid-gap:var(--sp-3);gap:var(--sp-3);max-width:var(--read)}.def-list li{display:grid;grid-gap:var(--sp-1);gap:var(--sp-1);padding-bottom:var(--sp-3);border-bottom:1px solid var(--line-soft)}.def-list li:last-child{border-bottom:0}.demo-head-text{display:flex;flex-direction:column;gap:2px;min-width:0}.demo-notice{margin:0;padding-top:var(--sp-3);border-top:1px solid var(--line-soft);font-size:.85rem;color:var(--ink-2);text-wrap:pretty}.hero-grid>*{min-width:0}.mascot-bubble{cursor:pointer}.check input:focus-visible,.input:focus-visible{outline:none;border-color:var(--accent-text);box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 30%,transparent)}.mascot[data-docked] .mascot-bubble{bottom:auto;top:calc(100% + var(--sp-2));left:0;right:auto;max-width:min(240px,calc(100vw - 3rem))}.mascot[data-docked] .mascot-bubble:after{bottom:auto;top:-7px;right:auto;left:22px;border:none;border-left:1px solid var(--line);border-top:1px solid var(--line);border-bottom-right-radius:0;border-top-left-radius:3px}@keyframes play-spin{0%{transform:translateY(0) rotateY(0deg) scale(1)}12%{transform:translateY(0) rotateY(0deg) scale(1.1,.88)}55%{transform:translateY(calc(-26px * var(--hop-rise, 1))) rotateY(200deg) scale(.94,1.08)}86%{transform:translateY(0) rotateY(1turn) scale(1.08,.9)}to{transform:translateY(0) rotateY(1turn) scale(1)}}@keyframes play-hop2{0%,to{transform:translateY(0) scale(1)}14%{transform:translateY(0) scale(1.1,.9)}32%{transform:translateY(calc(-20px * var(--hop-rise, 1))) scale(.95,1.06)}50%{transform:translateY(0) scale(1.07,.92)}70%{transform:translateY(calc(-11px * var(--hop-rise, 1))) scale(.97,1.03)}88%{transform:translateY(0) scale(1.04,.96)}}@keyframes play-squash{0%,to{transform:scale(1)}35%{transform:scale(1.16,.82) translateY(4px)}70%{transform:scale(.94,1.08) translateY(-3px)}}@keyframes play-tumble{0%{transform:translateY(0) rotate(0deg) scale(1)}12%{transform:translateY(0) rotate(-8deg) scale(1.08,.9)}55%{transform:translateY(calc(-30px * var(--hop-rise, 1))) rotate(200deg) scale(.95,1.05)}88%{transform:translateY(0) rotate(1turn) scale(1.08,.9)}to{transform:translateY(0) rotate(1turn) scale(1)}}@keyframes play-shake{0%,to{transform:rotate(0deg)}20%{transform:rotate(-9deg)}40%{transform:rotate(8deg)}60%{transform:rotate(-5deg)}80%{transform:rotate(3deg)}}@keyframes play-stretch{0%,to{transform:scale(1) translateY(0)}30%{transform:scale(.93,1.12) translateY(-6px)}62%{transform:scale(1.06,.95) translateY(2px)}}.mascot-char[data-play] .char-stage{transform-style:preserve-3d}.mascot-char[data-play=spin] .char-stage{animation:play-spin .85s var(--ease-out)}.mascot-char[data-play=hop2] .char-stage{animation:play-hop2 .62s var(--ease-out)}.mascot-char[data-play=squash] .char-stage{animation:play-squash .48s var(--ease-out)}.mascot-char[data-play=tumble] .char-stage{animation:play-tumble .9s var(--ease-out)}.mascot-char[data-play=shake] .char-stage{animation:play-shake .52s ease-in-out}.mascot-char[data-play=stretch] .char-stage{animation:play-stretch 1.1s var(--ease-in-out)}@keyframes mascot-dangle{0%,to{transform:rotate(-5deg)}50%{transform:rotate(5deg)}}.mascot[data-dragging] .char-stage{animation:mascot-dangle .9s ease-in-out infinite;cursor:-webkit-grabbing;cursor:grabbing}@media (prefers-reduced-motion:reduce){.mascot-char[data-play] .char-stage,.mascot[data-dragging] .char-stage,.mascot[data-hopping] .char-stage{animation:none!important}.mascot{transition:none!important}}