@font-face{font-family:Onest;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/onest-cbc5c553.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Onest;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/onest-18c7b203.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Onest;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/onest-881eb477.woff2)format("woff2");unicode-range:U+302-303,U+305,U+307-308,U+310,U+312,U+315,U+31A,U+326-327,U+32C,U+32F-330,U+332-333,U+338,U+33A,U+346,U+34D,U+391-3A1,U+3A3-3A9,U+3B1-3C9,U+3D1,U+3D5-3D6,U+3F0-3F1,U+3F4-3F5,U+2016-2017,U+2034-2038,U+203C,U+2040,U+2043,U+2047,U+2050,U+2057,U+205F,U+2070-2071,U+2074-209F,U+20D0-20DC,U+20E1,U+20E5-20EF,U+2100-2112,U+2114-2115,U+2117-2121,U+2123-214F,U+2190,U+2192,U+2194-21AE,U+21B0-21E5,U+21F1-21F2,U+21F4-2211,U+2213-2214,U+2216-22FF,U+2308-230B,U+2310,U+2319,U+231C-2321,U+2336-237A,U+237C,U+2395,U+239B-23B7,U+23D0,U+23DC-23E1,U+2474-2475,U+25AF,U+25B3,U+25B7,U+25BD,U+25C1,U+25CA,U+25CC,U+25FB,U+266D-266F,U+27C0-27FF,U+2900-2AFF,U+2B0E-2B11,U+2B30-2B4C,U+2BFE,U+3030,U+FF5B,U+FF5D,U+1D400-1D7FF,U+1EE??}@font-face{font-family:Onest;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/onest-23d453c5.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Onest;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/onest-49b3b333.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--paper:#f6f8f7;--paper-2:#eef3f1;--white:#fff;--ink:#16262a;--ink-2:#3f5257;--ink-3:#6b7c80;--line:#d7e1de;--line-2:#e6edeb;--teal:#0e6f6a;--teal-ink:#0a5651;--teal-soft:#ddf1ee;--amber:#c98a1b;--amber-soft:#f7ecd6;--red:#c6553a;--blue:#4a7fb0;--blue2:#2f6fe0;--r:18px;--r-sm:4px;--sans:"Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--serif:"Piazzolla", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--wrap:1200px;--hdr:72px;--shadow:0 1px 2px #16262a0a, 0 12px 40px -12px #16262a1f}*{box-sizing:border-box}html{scroll-behavior:auto;-webkit-text-size-adjust:100%}body{font-family:var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.5;overflow-x:clip}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}h1,h2,h3,h4,p,ul,ol,dl{margin:0}ul,ol{padding:0;list-style:none}img,svg{display:block}.wrap{width:min(var(--wrap), 100% - 48px);margin-inline:auto}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}.lbl{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-size:12px;font-weight:700}.pill{background:var(--paper-2);color:var(--ink-2);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-size:12px;font-weight:600;line-height:1.5;display:inline-flex}.pill-teal{background:var(--teal-soft);color:var(--teal-ink)}.pill-amber{color:#1d56c0;background:#e6f0fe}.muted{color:var(--ink-3)}.eq{letter-spacing:.01em;font-size:17px;font-weight:600}.display{letter-spacing:-.035em;text-wrap:balance;font-weight:600;line-height:1}.display em{font-family:var(--serif);letter-spacing:-.015em;color:var(--teal);font-variation-settings:"opsz" 30;font-style:italic;font-weight:400}h1.display{max-width:15ch;font-size:clamp(42px,6.3vw,92px)}h2.display{max-width:20ch;font-size:clamp(32px,4.3vw,60px)}.kicker{letter-spacing:.14em;text-transform:uppercase;color:var(--teal);align-items:center;gap:12px;font-size:12.5px;font-weight:700;display:flex}.kicker:before{content:"";background:var(--amber);border-radius:2px;flex:none;width:22px;height:2px}.lead{color:var(--ink-2);max-width:58ch;font-size:clamp(17px,1.35vw,20px);line-height:1.5}.sec-head{flex-direction:column;gap:14px;margin-bottom:clamp(24px,3vw,40px);display:flex}.sec-head .lead{margin-top:4px}h3{letter-spacing:-.015em;font-size:20px;font-weight:700;line-height:1.25}section{background:var(--paper);z-index:1;padding:clamp(40px,4.5vw,72px) 0;position:relative}.btn{border-radius:var(--r-sm);white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:12px 20px;font-size:15px;font-weight:600;line-height:1.2;transition:background .18s,color .18s,border-color .18s,transform .18s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-ink)}.btn-ghost{background:var(--white);color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--ink-3)}.btn-lg{padding:16px 24px;font-size:16px}.btn-sm{padding:8px 14px;font-size:13.5px}#mol{z-index:0;pointer-events:none;width:100%;height:100%;display:block;position:fixed;inset:0}#app{z-index:1;position:relative}main{position:relative}.hdr{z-index:50;height:var(--hdr);transition:background .25s,box-shadow .25s;position:fixed;top:0;left:0;right:0}.hdr.scrolled{-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line);background:#f6f8f7db}.hdr-in{align-items:center;gap:24px;height:100%;display:flex}.brand{align-items:center;gap:10px;display:inline-flex}.brand-mark{background:var(--teal);color:#fff;border-radius:10px;flex:none;place-items:center;width:36px;height:36px;display:grid}.brand-txt{flex-direction:column;line-height:1.1;display:flex}.brand-txt b{letter-spacing:-.01em;font-size:15.5px}.brand-txt span{color:var(--ink-3);font-size:12px}.hdr-nav{gap:4px;margin-inline:auto;display:flex}.hdr-nav a,.sheet-nav a{border-radius:var(--r-sm);color:var(--ink-2);padding:8px 12px;font-size:14.5px;font-weight:500}.hdr-nav a:hover{background:var(--white);color:var(--ink)}.hdr-right{align-items:center;gap:12px;margin-left:auto;display:flex}.lang{border-radius:var(--r-sm);background:var(--paper-2);border:1px solid var(--line-2);gap:2px;padding:3px;display:inline-flex}.lang button{color:var(--ink-3);letter-spacing:.04em;border-radius:3px;padding:5px 9px;font-size:12.5px;font-weight:700}.lang button:hover{color:var(--ink)}.lang button.on{background:var(--white);color:var(--ink);box-shadow:0 1px 2px #16262a14}.cab{position:relative}.cab-menu{background:var(--white);border:1px solid var(--line);min-width:200px;box-shadow:var(--shadow);z-index:60;border-radius:12px;flex-direction:column;gap:2px;padding:6px;display:flex;position:absolute;top:calc(100% + 8px);right:0}.cab-menu[hidden]{display:none}.cab-menu a{border-radius:var(--r-sm);justify-content:flex-start;align-items:center;gap:12px;padding:10px 12px;font-size:14.5px;font-weight:600;display:flex}.cab-menu a:hover{background:var(--teal-soft);color:var(--teal-ink)}.burger{border-radius:var(--r-sm);border:1px solid var(--line);background:var(--white);flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;display:none}.burger span{background:var(--ink);border-radius:2px;width:18px;height:2px;transition:transform .2s}.burger[aria-expanded=true] span:first-child{transform:translateY(3.5px)rotate(45deg)}.burger[aria-expanded=true] span:last-child{transform:translateY(-3.5px)rotate(-45deg)}.sheet{top:var(--hdr);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#f6f8f7f5;flex-direction:column;gap:16px;padding:8px 24px 24px;display:flex;position:absolute;left:0;right:0}.sheet[hidden]{display:none}.sheet-nav{flex-direction:column;display:flex}.sheet-nav a{border-bottom:1px solid var(--line-2);border-radius:0;padding:12px 8px;font-size:17px}.sheet-foot{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.sheet-foot .lang{margin-left:auto}.hero{min-height:0;padding:calc(var(--hdr) + clamp(40px, 7vh, 80px)) 0 clamp(32px, 5vh, 56px);background:linear-gradient(#d7e1de8c 1px,#0000 1px) 0 0/100% 40px;background-position:0 var(--hdr);flex-direction:column;justify-content:flex-start;gap:clamp(32px,5vh,56px);display:flex}.hero:after{content:"";background:linear-gradient(to bottom, transparent, var(--paper));pointer-events:none;height:160px;position:absolute;inset:auto 0 0}.hero-in{flex-direction:column;gap:24px;display:flex;position:relative}.hero-in>*{max-width:760px}.hero-in .lead{max-width:54ch}.hero-cta{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.hero-note{color:var(--ink-3);font-size:14px}.facts{border-top:1px solid var(--line);z-index:1;grid-template-columns:repeat(4,1fr);gap:0 32px;display:grid;position:relative}.facts li{border-top:2px solid #0000;flex-direction:column;gap:6px;margin-top:-1px;padding:20px 0 8px;display:flex}.facts li:first-child{border-top-color:var(--amber)}.facts b{letter-spacing:-.03em;color:var(--ink);font-size:clamp(28px,2.6vw,38px);font-weight:600;line-height:1}.facts span{color:var(--ink-2);max-width:24ch;font-size:14px;line-height:1.4}.scroll-hint{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);z-index:1;align-items:center;gap:10px;font-size:12px;display:flex;position:absolute;bottom:28px;right:24px}.scroll-hint i{background:var(--ink-3);width:1px;height:40px;position:relative;overflow:hidden}.scroll-hint i:after{content:"";background:var(--teal);width:100%;height:50%;animation:1.6s ease-in-out infinite drop;position:absolute;top:0;left:0}@keyframes drop{0%{transform:translateY(-100%)}to{transform:translateY(220%)}}.lesson{padding-bottom:clamp(40px,4.5vw,72px)}.walk{position:relative}.walk-grid{width:min(var(--wrap), 100% - 48px);grid-template-columns:minmax(280px,.85fr) minmax(0,1.3fr);align-items:center;gap:clamp(24px,4vw,64px);margin:0 auto;display:grid}.walk-steps{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.walk-step{width:100%;font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:14px;align-items:flex-start;gap:14px;padding:14px 16px;transition:background .25s,border-color .25s;display:flex;position:relative;overflow:hidden}.walk-step:hover{background:#fff9}.walk-step .tag{border:1.5px solid var(--line);width:30px;height:30px;color:var(--ink-3);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:700;transition:all .25s;display:grid}.walk-step .wt{flex-direction:column;gap:3px;min-width:0;display:flex}.walk-step .wt b{letter-spacing:-.01em;color:var(--ink-2);font-size:18px;font-weight:600;transition:color .25s}.walk-step .wt span{color:var(--ink-2);opacity:0;max-height:0;font-size:14.5px;line-height:1.45;transition:max-height .35s,opacity .3s;overflow:hidden}.walk-step.on{background:var(--white);border-color:var(--line);box-shadow:0 6px 20px -12px #16262a40}.walk-step.on .tag{background:var(--teal);border-color:var(--teal);color:#fff}.walk-step.on .wt b{color:var(--ink)}.walk-step.on .wt span{opacity:1;max-height:80px}.walk-step .bar{background:var(--amber);width:0;height:3px;position:absolute;bottom:0;left:0}.walk-step.run .bar{animation:walkbar var(--walk-dur,5s) linear forwards}@keyframes walkbar{0%{width:0}to{width:100%}}.device{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/10.5;border-radius:20px;flex-direction:column;width:100%;max-height:78svh;display:flex;overflow:hidden}.device-bar{border-bottom:1px solid var(--line-2);background:var(--paper);align-items:center;gap:6px;padding:12px 16px;display:flex}.device-bar i{background:var(--line);border-radius:50%;width:9px;height:9px}.device-bar span{color:var(--ink-3);letter-spacing:.04em;margin-left:auto;font-size:12px;font-weight:600}.device-screen{flex:1;min-height:0;position:relative}.scr{opacity:0;pointer-events:none;flex-direction:column;gap:14px;padding:clamp(16px,2.2vw,28px);transition:opacity .45s,transform .45s;display:flex;position:absolute;inset:0;transform:translateY(14px)scale(.99)}.scr.on{opacity:1;transform:none}.scr-top{justify-content:space-between;align-items:center;gap:10px;font-size:15px;display:flex}.live-dot{background:var(--red);border-radius:50%;flex:none;width:9px;height:9px;animation:1.6s ease-out infinite pulse;box-shadow:0 0 #c6553a80}@keyframes pulse{0%{box-shadow:0 0 #c6553a73}to{box-shadow:0 0 0 10px #c6553a00}}.pick-list{flex-direction:column;gap:6px;display:flex}.pick-list li{border:1px solid var(--line-2);border-radius:12px;grid-template-columns:28px 1fr auto;align-items:center;gap:10px;padding:12px 14px;font-size:15px;font-weight:500;display:grid}.pick-list li.sel{background:var(--teal-soft);color:var(--teal-ink);border-color:#0000}.pick-list .num{font-family:var(--serif);color:var(--amber);font-size:20px;font-style:italic}.pick-meta{color:var(--teal);font-size:12px;font-weight:700}.plan{flex-direction:column;display:flex}.plan li{border-bottom:1px dashed var(--line);grid-template-columns:64px 1fr;gap:12px;padding:10px 0;font-size:15px;display:grid}.plan-t{color:var(--amber);font-variant-numeric:tabular-nums;font-weight:700}.plan-bar{background:var(--paper-2);border-radius:3px;height:6px;margin-top:auto;overflow:hidden}.plan-bar i{background:var(--teal);border-radius:3px;width:0;height:100%;display:block}.scr.on .plan-bar i{animation:6s linear forwards fill}@keyframes fill{to{width:62%}}.tiles{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.tile{border:1px solid var(--line-2);background:var(--paper);border-radius:10px;justify-content:space-between;align-items:center;padding:10px 12px;font-size:13.5px;font-weight:600;display:flex}.tile i{background:var(--line);border-radius:50%;width:10px;height:10px}.scr.on .tile i{animation:.4s forwards answered;animation-delay:calc(var(--d) + .4s)}.scr.on .tile:nth-child(6) i{animation-name:wrong}@keyframes answered{to{background:var(--teal)}}@keyframes wrong{to{background:var(--amber)}}.tiles-count{color:var(--ink-2);margin-top:auto;font-size:14px}.tiles-count b{color:var(--ink);letter-spacing:-.02em;margin-right:2px;font-size:24px}.scr-lab-body{flex:1;grid-template-columns:auto 1fr;align-items:center;gap:24px;display:grid}.scr-lab-body .eq{font-size:20px}.hw-list{flex-direction:column;gap:8px;display:flex}.hw-list li{border:1px solid var(--line-2);border-radius:10px;align-items:center;gap:12px;padding:10px 12px;font-size:15px;display:flex}.hw-list li i{border:1.5px solid var(--line);color:#0000;border-radius:6px;flex:none;place-items:center;width:22px;height:22px;display:grid}.hw-list li.done i{background:var(--teal);border-color:var(--teal);color:#fff}.hw-list.big li{padding:12px 14px}.tube-wrap{place-items:center;display:grid}.tube{--liq:#e9f2f0;--liq2:#dbe9e6;background:linear-gradient(90deg,#ffffff80,#fff0 35%,#16262a0d 85%);border:3px solid #31464b;border-top-width:0;border-radius:0 0 44px 44px;width:88px;height:250px;position:relative;overflow:hidden}.tube:before{content:"";box-sizing:border-box;border:3px solid #31464b;border-bottom-color:#0000;border-radius:999px;height:10px;position:absolute;top:0;left:-3px;right:-3px}.tube:after{content:"";background:#ffffff8c;border-radius:3px;width:6px;position:absolute;top:20px;bottom:30px;left:12px}.tube-mini{border-width:2.5px;width:62px;height:170px}.tube-liquid{background:linear-gradient(to bottom, var(--liq), var(--liq2));height:56%;transition:background .6s;position:absolute;bottom:0;left:0;right:0}.tube-liquid:before{content:"";background:#ffffff80;border-radius:50%;height:12px;position:absolute;top:-6px;left:-10%;right:-10%}.tube-solid{opacity:0;background:#8d9a9c;border-radius:7px 9px 6px 10px;width:28px;height:16px;margin-left:-14px;position:absolute;bottom:14px;left:50%;transform:rotate(-12deg);box-shadow:inset 0 -3px #16262a40}.tube.zn .tube-solid{opacity:1}.bubbles i{opacity:0;width:8px;height:8px;bottom:10px;left:calc(18% + var(--x,0) * 1%);background:#ffffff59;border:1.5px solid #ffffffe6;border-radius:50%;position:absolute}.bubbles i:first-child{--x:10}.bubbles i:nth-child(2){--x:40;width:6px;height:6px}.bubbles i:nth-child(3){--x:60}.bubbles i:nth-child(4){--x:25;width:5px;height:5px}.bubbles i:nth-child(5){--x:52}.bubbles i:nth-child(6){--x:5;width:6px;height:6px}.bubbles i:nth-child(7){--x:46;width:10px;height:10px}.bubbles i:nth-child(8){--x:32}.bubbles i:nth-child(9){--x:58;width:5px;height:5px}.tube.zn.go .bubbles i{animation:1.6s ease-in infinite bubble;animation-delay:calc(var(--x,0) * 30ms)}.tube.zn.go .tube-solid{animation:6s ease-out forwards dissolve}@keyframes bubble{0%{opacity:0;transform:translateY(0)scale(.6)}15%{opacity:.95}to{opacity:0;transform:translateY(-130px)scale(1.1)}}@keyframes dissolve{to{opacity:.4;transform:rotate(-12deg)scale(.35)}}.tube.cu{--liq:#9ec9ee;--liq2:#7fb3e6}.tube.cu.go .tube-liquid{animation:2s forwards cloud-blue}@keyframes cloud-blue{to{background:linear-gradient(#8fc0e8,#4f8fcf)}}.precip{height:0;transition:none;position:absolute;bottom:0;left:0;right:0}.tube.cu.go .precip{background:#3f9fb8;border-radius:0 0 40px 40px;animation:3s ease-out .5s forwards settle}.tube.ba .tube-liquid{--liq:#eef3f2;--liq2:#e5ecea}.tube.ba.go .tube-liquid{animation:1.2s forwards cloud-white}@keyframes cloud-white{to{background:linear-gradient(#f3f6f5,#dfe6e4)}}.tube.ba.go .precip{background:#fbfcfb;border-radius:0 0 40px 40px;animation:2.4s ease-out .2s forwards settle;box-shadow:0 -8px 16px 6px #ffffffe6}@keyframes settle{to{height:24%}}.lab{background:0 0}.lab-head{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;min-height:52vh;display:grid}.lab-head .sec-head{margin-bottom:0}.lab-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:clamp(32px,5vw,72px);margin-top:clamp(48px,6vw,88px);display:grid}.lab-points{flex-direction:column;display:flex}.lab-points li{border-top:1px solid var(--line);gap:8px;padding:22px 0;display:grid}.lab-points li:last-child{border-bottom:1px solid var(--line)}.lab-points p{color:var(--ink-2);font-size:15.5px}.lab-demo{flex-direction:column;gap:18px;padding:24px;display:flex}.card-title{font-size:15px;font-weight:700}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{border-radius:var(--r-sm);border:1px solid var(--line);background:var(--paper);color:var(--ink-2);padding:8px 14px;font-size:14px;font-weight:600;transition:all .15s}.chip:hover{border-color:var(--ink-3);color:var(--ink)}.chip.on{background:var(--teal-soft);border-color:var(--teal);color:var(--teal-ink)}.demo-body{background:var(--paper);border-radius:12px;grid-template-columns:150px 1fr;align-items:center;gap:24px;padding:24px;display:grid}.demo-out{flex-direction:column;align-items:flex-start;gap:16px;display:flex}.demo-out .eq{font-size:21px}.demo-dl{grid-template-columns:auto 1fr;gap:6px 16px;font-size:15px;display:grid}.demo-dl dt{letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding-top:3px;font-size:12px;font-weight:700}.demo-dl dd{color:var(--ink-2);margin:0}.grades{flex-wrap:wrap;gap:6px;margin-bottom:28px;display:flex}.grades button{border-radius:var(--r-sm);border:1px solid var(--line);background:var(--white);letter-spacing:-.02em;align-items:baseline;gap:6px;padding:10px 18px;font-size:22px;font-weight:700;transition:all .15s;display:flex}.grades button small{color:var(--ink-3);font-size:13px;font-weight:500}.grades button.on{background:var(--ink);color:#fff;border-color:var(--ink)}.grades button.on small{color:#ffffffb3}.qgrid{border-top:1px solid var(--ink);grid-template-columns:repeat(4,1fr);gap:0;display:grid}.qcol{border-right:1px solid var(--line);min-height:240px;padding:20px 20px 24px 0}.qcol+.qcol{padding-left:20px}.qcol:last-child{border-right:0}.qcol h4{font-family:var(--serif);color:var(--amber);margin-bottom:14px;font-size:22px;font-style:italic;font-weight:400}.qcol ol{counter-reset:t;flex-direction:column;display:flex}.qcol li{counter-increment:t;border-top:1px dashed var(--line);grid-template-columns:22px 1fr;gap:6px;padding:10px 0;font-size:14.5px;line-height:1.4;display:grid}.qcol li:before{content:counter(t);color:var(--ink-3);padding-top:2px;font-size:12px;font-weight:700}.prog-foot{color:var(--ink-2);align-items:center;gap:10px;margin-top:24px;font-size:15px;display:flex}.prog-foot:before{content:"";background:var(--teal);border-radius:50%;width:10px;height:10px}.bank-grid,.live-grid,.report-grid,.faq-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:clamp(40px,6vw,96px);display:grid}.rule-list{counter-reset:r;flex-direction:column;display:flex}.rule-list li{counter-increment:r;border-top:1px solid var(--line);grid-template-columns:56px 1fr;gap:8px 12px;padding:22px 0;display:grid}.rule-list li:before{content:"0" counter(r);font-family:var(--serif);color:var(--amber);grid-row:span 2;font-size:30px;font-style:italic;line-height:1}.rule-list li:last-child{border-bottom:1px solid var(--line)}.rule-list p{color:var(--ink-2);font-size:15.5px}.ai-demo{flex-direction:column;gap:14px;padding:28px;display:flex}.prompt{font-family:var(--serif);color:var(--ink);background:var(--paper);border:1px solid var(--line-2);border-radius:12px;padding:18px 20px;font-size:24px;font-style:italic;line-height:1.3}.caret{background:var(--teal);vertical-align:-.15em;width:2px;height:1em;margin-left:4px;animation:1.1s steps(2,end) infinite blink;display:inline-block}@keyframes blink{to{opacity:0}}.ai-results{counter-reset:a;flex-direction:column;display:flex}.ai-results li{counter-increment:a;border-top:1px dashed var(--line);grid-template-columns:26px 1fr;gap:8px;padding:14px 0;font-size:15.5px;line-height:1.45;display:grid}.ai-results li:before{content:counter(a) ".";color:var(--teal);font-weight:700}.ai-foot{justify-content:flex-end;align-items:center;gap:12px;padding-top:6px;display:flex}.board{flex-direction:column;gap:18px;padding:22px;display:flex}.board-top{align-items:center;gap:10px;font-size:14.5px;font-weight:700;display:flex}.board-canvas{background:var(--paper);background-image:linear-gradient(var(--line-2) 1px, transparent 1px);background-size:100% 28px;border-radius:12px;min-height:180px;padding:36px 26px;position:relative}.hand{font-family:var(--serif);color:var(--ink);font-size:clamp(22px,2vw,28px);font-style:italic;line-height:1.3}.stroke{width:60%;height:20px;margin-top:10px}.board-answers{flex-wrap:wrap;gap:6px;display:flex}.ans{background:var(--teal-soft);color:var(--teal-ink);opacity:0;border:1px solid #0000;border-radius:7px;padding:6px 10px;font-size:13px;font-weight:600;transform:translateY(4px)}.ans.wait{background:var(--paper);color:var(--ink-3);border-color:var(--line)}.ans.bad{background:var(--amber-soft);color:#8a5a0a}.in-view .ans{animation:.5s forwards ans;animation-delay:var(--d)}@keyframes ans{to{opacity:1;transform:none}}.points-2{grid-template-columns:1fr 1fr;gap:26px 32px;display:grid}.points-2 li{border-top:1px solid var(--line);gap:6px;padding-top:16px;display:grid}.points-2 .num{font-family:var(--serif);color:var(--amber);font-size:22px;font-style:italic;line-height:1}.points-2 p{color:var(--ink-2);font-size:15px}.ent-grid{grid-template-columns:1fr;gap:20px;display:grid}.formula{background:var(--ink);color:var(--ink);border-radius:var(--r);background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:clamp(20px,3vw,36px) clamp(20px,3vw,44px);display:flex}.f-item{flex-direction:column;gap:6px;min-width:120px;display:flex}.f-item b{letter-spacing:-.04em;font-size:clamp(44px,5.4vw,84px);font-weight:600;line-height:.95}.f-item span{color:var(--ink-2);max-width:16ch;font-size:14px;line-height:1.35}.f-total b{color:var(--teal)}.formula i{font-family:var(--serif);color:var(--teal);opacity:.55;font-size:clamp(32px,3.4vw,52px);font-style:italic}.hw-card,.cal-card{flex-direction:column;align-items:flex-start;gap:14px;padding:28px;display:flex}.hw-card p,.cal-card p{color:var(--ink-2);font-size:15.5px}.hw-card .hw-list{width:100%;margin-top:6px}.cal{grid-template-columns:repeat(7,1fr);gap:6px;width:100%;margin-top:6px;display:grid}.cal span{aspect-ratio:1;color:var(--ink-3);background:var(--paper);border-radius:8px;place-items:center;font-size:13px;font-weight:600;display:grid}.cal .les{background:var(--teal-soft);color:var(--teal-ink)}.cal .hw{background:var(--amber-soft);color:#8a5a0a}.cal .exam{background:var(--ink);color:#fff}.report-card{flex-direction:column;gap:18px;padding:28px;display:flex}.report-rows{flex-direction:column;display:flex}.report-rows div{border-top:1px dashed var(--line);justify-content:space-between;gap:16px;padding:14px 0;display:flex}.report-rows dt{color:var(--ink-2);font-size:15.5px}.report-rows dd{font-variant-numeric:tabular-nums;white-space:nowrap;margin:0;font-weight:700}.report-link{background:var(--paper);border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}.report-link code{color:var(--teal-ink);font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:14px}.price-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:stretch;gap:24px;display:grid}.price-free,.price-paid{flex-direction:column;align-items:flex-start;gap:18px;padding:32px;display:flex}.price-free{background:var(--teal-soft);border-color:#0000}.price-big{letter-spacing:-.04em;align-items:baseline;gap:10px;font-size:56px;font-weight:600;line-height:1;display:flex}.price-big small{letter-spacing:0;color:var(--ink-2);font-size:15px;font-weight:500}.price-free .hw-list li{background:#fff9;border-color:#0000}.price-free .hw-list{width:100%}.price-free .btn{margin-top:auto}.paid-lead{color:var(--ink-2);max-width:52ch;font-size:15.5px}.ledger{border-top:1px solid var(--ink);flex-direction:column;width:100%;margin-top:6px;display:flex}.ledger .row{border-bottom:1px dashed var(--line);grid-template-columns:1.1fr 1.4fr 1.2fr auto;align-items:center;gap:16px;padding:16px 0;font-size:14.5px;display:grid}.ledger .n b{letter-spacing:-.03em;margin-right:4px;font-size:26px}.ledger .p b{letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-right:4px;font-size:22px}.ledger .ps{color:var(--ink-3)}.note{color:var(--ink-3);font-size:14px}.faq-list{border-top:1px solid var(--ink);flex-direction:column;display:flex}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;letter-spacing:-.01em;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;font-size:18px;font-weight:600;list-style:none;display:flex}summary::-webkit-details-marker{display:none}.plus{flex:none;width:24px;height:24px;position:relative}.plus:before,.plus:after{content:"";background:var(--teal);width:14px;height:2px;transition:transform .25s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.plus:after{transform:translate(-50%,-50%)rotate(90deg)}details[open] .plus:after{transform:translate(-50%,-50%)rotate(0)}details p{color:var(--ink-2);max-width:60ch;padding:0 0 22px;font-size:15.5px}.foot{z-index:1;background:var(--white);border-top:1px solid var(--line);padding:56px 0 28px;position:relative}.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;display:grid}.foot-brand p{color:var(--ink-2);max-width:30ch;margin-top:16px;font-size:14.5px}.foot h4{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;font-size:12.5px}.foot-grid a{color:var(--ink-2);padding:5px 0;font-size:15px;display:block}.foot-grid a:hover{color:var(--teal)}.foot-grid p{color:var(--ink-2);padding:5px 0;font-size:15px}.foot-bottom{border-top:1px solid var(--line-2);color:var(--ink-3);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:40px;padding-top:20px;font-size:13.5px;display:flex}.foot-lang{align-items:center;gap:12px;display:inline-flex}.js [data-reveal],.js [data-reveal-group]>*{will-change:transform, opacity}@media (max-width:1024px){.walk-grid{grid-template-columns:minmax(260px,.9fr) minmax(0,1.1fr)}.ledger .row{grid-template-columns:1fr 1.4fr auto}.ledger .ps{display:none}}@media (max-width:900px){:root{--hdr:64px}.hdr-nav,.hdr-lang{display:none}.burger{display:flex}.hero{min-height:auto;padding-top:calc(var(--hdr) + 46svh);gap:40px;padding-bottom:32px}.hero-in{gap:18px}.facts{grid-template-columns:1fr 1fr;gap:0 20px}.facts li{border-top:1px solid var(--line-2);padding:14px 0 10px}.facts li:first-child{border-top:2px solid var(--amber)}.scroll-hint{display:none}.walk-grid{grid-template-columns:1fr;gap:16px}.device{aspect-ratio:auto;order:2;height:min(52svh,420px)}.walk-steps{scrollbar-width:none;flex-direction:row;order:1;gap:6px;margin:0 -18px;padding:2px 18px;overflow-x:auto}.walk-steps::-webkit-scrollbar{display:none}.walk-steps li{flex:none}.walk-step{border-color:var(--line);background:var(--white);align-items:center;gap:8px;padding:8px 12px 10px}.walk-step .tag{width:24px;height:24px;font-size:12px}.walk-step .wt b{white-space:nowrap;font-size:14.5px}.walk-step .wt span{display:none}.tiles{grid-template-columns:repeat(2,1fr)}.lab-head{grid-template-columns:1fr;min-height:auto;padding-top:42svh}.lab-space{display:none}.lab-grid,.bank-grid,.live-grid,.report-grid,.faq-grid,.price-grid,.ent-grid{grid-template-columns:1fr}.live-grid .board{order:2;position:static}.ai-demo{position:static}.formula{justify-content:flex-start;gap:10px 20px}.qgrid{border-top:0;grid-template-columns:1fr 1fr;gap:0 20px}.qcol{border-right:0;border-top:1px solid var(--ink);min-height:0;padding:16px 0 20px}.qcol+.qcol{padding-left:0}.foot-grid{grid-template-columns:1fr 1fr}.points-2{grid-template-columns:1fr}}@media (max-width:600px){.wrap,.walk-grid{width:min(var(--wrap), 100% - 36px)}h1.display{font-size:clamp(38px,11vw,52px)}h2.display{font-size:clamp(30px,8.6vw,40px)}.hero{padding-top:calc(var(--hdr) + 40svh)}.facts li{padding-top:12px}.facts b{font-size:26px}.demo-body{text-align:left;grid-template-columns:1fr;justify-items:center}.demo-out{align-items:stretch;width:100%}.demo-out .eq{font-size:18px}.qgrid{grid-template-columns:1fr}.scr-lab-body{grid-template-columns:auto 1fr;gap:18px}.tube-mini{width:46px;height:128px}.scr-lab-body .eq{font-size:17px}.ledger .row{grid-template-columns:1fr auto;gap:6px 12px}.ledger .row .btn{grid-area:1/2/span 2}.foot-grid{grid-template-columns:1fr}.formula i{display:none}.f-item{min-width:40%}.grades button{padding:8px 12px;font-size:18px}.grades button small{display:none}.hw-card,.cal-card,.ai-demo,.price-free,.price-paid,.lab-demo,.board{padding:20px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}.ans,.scr .tile i{opacity:1;transform:none}.ans{opacity:1}}#mol{opacity:0;transition:opacity .8s}#mol.ready{opacity:1}#molLabels{z-index:0;pointer-events:none;position:fixed;inset:0;overflow:hidden}.mol-label{font-family:var(--serif);color:var(--ink-2);white-space:nowrap;opacity:0;will-change:transform;font-size:15px;font-style:italic;transition:opacity .3s;position:absolute;top:0;left:0}.walk-step,.walk-dots i{cursor:pointer}.walk-grid{perspective:1400px}.device{transform-origin:50% 100%}.hdr.open{background:#f6f8f7f5}.foot-grid a.brand{padding:0;display:inline-flex}.formula{align-items:flex-start}.formula i{align-self:flex-start;margin-top:clamp(6px,1vw,16px);line-height:1}#cabBtn .chev{transition:transform .2s}#cabBtn[aria-expanded=true] .chev{transform:rotate(180deg)}.cab-menu a svg{color:var(--ink-3);flex:none}.cab-menu a:hover svg{color:var(--teal-ink)}.sheet-foot .btn svg{margin-right:4px}.rep{flex-direction:column;gap:14px;padding:22px;display:flex}.rep-head{align-items:center;gap:12px;display:flex}.rep-ava{background:var(--teal-soft);width:40px;height:40px;color:var(--teal-ink);border-radius:10px;place-items:center;font-weight:700;display:grid}.rep-head b{font-size:16px;display:block}.rep-head span{color:var(--ink-3);font-size:13px}.rep-tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:4px;display:flex}.rep-tabs span{color:var(--ink-3);border-bottom:2px solid #0000;margin-bottom:-1px;padding:7px 10px;font-size:13px;font-weight:600}.rep-tabs span.on{color:var(--teal-ink);border-bottom-color:var(--teal)}.rep-kpis{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.rep-kpis div{border:1px solid var(--line-2);background:var(--paper);border-radius:10px;min-width:0;padding:10px 12px}.rep-kpis b{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:18px;display:block}.rep-kpis span{color:var(--ink-3);font-size:12px;line-height:1.3}.rep-cols{grid-template-columns:1.35fr 1fr;gap:18px;display:grid}.rep-h{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 8px;font-size:12px;font-weight:700}.rep-topics{flex-direction:column;gap:9px;margin:0;padding:0;list-style:none;display:flex}.rep-topics li{grid-template-columns:1fr 70px 38px;align-items:center;gap:8px;font-size:13.5px;display:grid}.rep-topics .tt{align-items:center;gap:4px;min-width:0;display:flex}.rep-topics .tt>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.rep-topics em{color:#b6412e;background:#fbe4df;border-radius:999px;flex:none;margin-left:4px;padding:1px 6px;font-size:11px;font-style:normal;font-weight:700}.rep-topics .tb{background:var(--line-2);border-radius:3px;height:6px;overflow:hidden}.rep-topics .tb i{background:var(--teal);border-radius:3px;height:100%;display:block}.rep-topics .weak .tb i{background:#d0563f}.rep-topics b{text-align:right;font-variant-numeric:tabular-nums}.rep-chart{width:100%;height:86px;overflow:visible}.rep-chart text{fill:var(--ink-2);font-size:11px;font-weight:700}.rep-lessons{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.rep-lessons li{border-top:1px dashed var(--line);grid-template-columns:48px 1fr auto;gap:10px;padding:8px 0;font-size:13.5px;display:grid}.rep-lessons .d{color:var(--ink-3);font-variant-numeric:tabular-nums}.rep-lessons .r{color:var(--ink-2);white-space:nowrap;font-weight:600}@media (max-width:640px){.rep{padding:16px}.rep-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.rep-cols{grid-template-columns:1fr}.rep-tabs{scrollbar-width:none;flex-wrap:nowrap;overflow-x:auto}.rep-tabs span{flex:none}}.price-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:clamp(24px,3vw,40px);display:flex}.price-head .sec-head{margin-bottom:0}.bill-toggle{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);padding:4px;display:inline-flex}.bill-toggle button{height:38px;color:var(--ink-2);border-radius:3px;align-items:center;gap:8px;padding:0 16px;font-size:14.5px;font-weight:600;display:inline-flex}.bill-toggle button.on{background:var(--ink);color:#fff}.bill-toggle em{background:var(--teal-soft);color:var(--teal-ink);border-radius:3px;padding:2px 6px;font-size:12px;font-style:normal;font-weight:700}.pc-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:20px;display:grid}.pc{border:1px solid var(--line);border-radius:var(--r);min-width:0;box-shadow:var(--shadow);flex-direction:column;gap:14px;padding:28px 28px 30px;transition:transform .25s,box-shadow .25s;display:flex;position:relative}.pc-tutor{border-color:#0e6f6a59}.pc-center{border-color:#2f6fe059}@media (hover:hover){.pc:hover{transform:translateY(-3px);box-shadow:0 2px 4px #16262a0d,0 22px 50px -18px #16262a38}}.pc-top{justify-content:space-between;align-items:center;min-height:26px;display:flex}.trial-bar{border:1px solid var(--line);border-radius:var(--r);background:var(--white);align-items:center;gap:16px;margin-bottom:18px;padding:16px 20px;display:flex}.trial-ic{background:var(--teal-soft);width:44px;height:44px;color:var(--teal);border-radius:12px;flex:none;place-items:center;display:grid}.trial-copy{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.trial-copy b{font-size:17px}.trial-copy span{color:var(--ink-2);font-size:14.5px}.trial-bar .btn{flex:none}.pc-switch{display:none}.pc-tutor{background:linear-gradient(#e3f4f1 0%,#fff 42%)}.pc-center{background:linear-gradient(#e6f0fe 0%,#fff 42%)}.pc-ic,.pc-tutor .pc-ic{color:var(--teal)}.pc-center .pc-ic{color:var(--blue2)}.pc-badge{background:var(--teal-soft);color:var(--teal-ink);border-radius:3px;padding:4px 10px;font-size:12.5px;font-weight:700}.pc h3{letter-spacing:-.02em;margin:0;font-size:30px;line-height:1.1}.pc-desc{color:var(--ink-2);min-height:44px;margin:0;font-size:15px;line-height:1.45}.pc-size{justify-content:space-between;align-items:center;gap:10px;display:flex}.pc-size>span{color:var(--ink-3);font-size:13px;font-weight:600}.pc-seg{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);display:inline-flex;overflow:hidden}.pc-seg button{min-width:44px;height:34px;color:var(--ink-2);border-left:1px solid var(--line);padding:0 10px;font-size:14px;font-weight:700}.pc-seg button:first-child{border-left:0}.pc-seg button.on{background:var(--ink);color:#fff}.pc-price{flex-wrap:wrap;align-content:flex-start;align-items:baseline;gap:4px 8px;min-height:128px;display:flex}.pc-price .pc-now{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:38px;font-weight:600;line-height:1.1}.pc-price .pc-old{color:var(--ink-3);font-variant-numeric:tabular-nums;font-size:17px;text-decoration:line-through}.pc-price .pc-old:empty{display:none}.pc-price .pc-old{-webkit-text-decoration-color:var(--red);text-decoration-color:var(--red);text-decoration-thickness:2px}.pc-row{flex-basis:100%;align-items:baseline;gap:8px;display:flex}.pc-sale{background:var(--teal);color:#fff;letter-spacing:.01em;border-radius:3px;align-items:center;padding:3px 8px;font-size:12.5px;font-weight:800;display:inline-flex;transform:rotate(-3deg);box-shadow:0 4px 12px -4px #0e6f6a8c}.pc-price .pc-now{color:var(--ink)}.pc-center .pc-sale{background:var(--blue2);box-shadow:0 4px 12px -4px #2f6fe08c}.sale-strip{border-radius:var(--r);color:#fff;box-shadow:var(--shadow);background:linear-gradient(110deg,#0a5651 0%,#0e7f78 45%,#2f6fe0 115%);align-items:center;gap:clamp(14px,2vw,24px);margin-bottom:18px;padding:clamp(16px,2vw,22px) clamp(18px,2.4vw,28px);display:flex;position:relative;overflow:hidden}.sale-strip:before{content:"";background:linear-gradient(105deg,#0000 30%,#ffffff2e 45%,#0000 60%);animation:4.5s ease-in-out infinite saleShine;position:absolute;inset:0;transform:translate(-100%)}@keyframes saleShine{0%,55%{transform:translate(-100%)}85%,to{transform:translate(100%)}}.sale-big{letter-spacing:-.04em;color:#fff;font-variant-numeric:tabular-nums;flex:none;font-size:clamp(34px,4.2vw,56px);font-weight:800;line-height:1}.sale-copy{flex-direction:column;gap:3px;min-width:0;display:flex}.sale-copy b{letter-spacing:-.01em;font-size:clamp(17px,1.6vw,21px)}.sale-copy span{opacity:.88;font-size:14.5px}.sale-spark{color:#fff;background:#ffffff24;border-radius:50%;flex:none;place-items:center;width:46px;height:46px;margin-left:auto;display:grid}@media (max-width:560px){.sale-spark{display:none}.sale-strip{align-items:flex-start}}@media (prefers-reduced-motion:reduce){.sale-strip:before{animation:none;display:none}}.pc-price .pc-per{color:var(--ink-3);font-size:14px}.pc-sub{color:var(--ink-3);flex-basis:100%;margin:2px 0 0;font-size:13px}.pc-sub b{color:#2f7d4c;font-weight:700}.pc-cta{justify-content:center;width:100%}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#0b1719}.btn-blue{background:var(--blue2);color:#fff}.btn-blue:hover{background:#1d56c0}.pc-note{color:var(--ink-3);margin:-4px 0 0;font-size:13px}.pc-lt{letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin:8px 0 0;font-size:12px;font-weight:700}.pc-tutor .pc-lt{color:var(--teal)}.pc-center .pc-lt{color:var(--blue2)}.pc-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.pc-list li{color:var(--ink);align-items:flex-start;gap:10px;font-size:15px;line-height:1.4;display:flex}.pc-list li svg{color:var(--ink-2);flex:none;margin-top:2px}.price-note{color:var(--ink-3);text-align:center;margin-top:16px;font-size:14px}@media (max-width:760px){.pc-switch{border:1px solid var(--line);background:var(--white);border-radius:12px;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:14px;padding:5px;display:grid}.pc-switch button{height:44px;color:var(--ink-2);border-radius:8px;justify-content:center;align-items:center;gap:8px;font-size:15px;font-weight:700;transition:background .2s,color .2s;display:inline-flex}.pc-switch button svg{width:18px;height:18px}.pc-switch button[data-plan=tutor].on{background:var(--teal);color:#fff}.pc-switch button[data-plan=center].on{background:var(--blue2);color:#fff}.pc-grid{grid-template-columns:1fr}.pc-grid[data-show=tutor] .pc-center,.pc-grid[data-show=center] .pc-tutor{display:none}.pc-grid .pc{animation:.35s both pcIn}.pc{padding:22px 20px 24px}.pc-desc,.pc-price{min-height:0}.trial-bar{flex-wrap:wrap}.trial-bar .btn{justify-content:center;width:100%}}@keyframes pcIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}html.lm-open,html.lm-open body{overflow:hidden}.lm{z-index:100;--acc:var(--teal);--acc-ink:var(--teal-ink);--acc-soft:var(--teal-soft);place-items:center;padding:24px;display:grid;position:fixed;inset:0}.lm[hidden]{display:none}.lm[data-who=center]{--acc:var(--blue2);--acc-ink:#1d56c0;--acc-soft:#e6f0fe}.lm[data-who=tutor] [data-for=center],.lm[data-who=center] [data-for=tutor]{display:none}.lm-back{-webkit-backdrop-filter:blur(6px);opacity:0;background:#16262a52;transition:opacity .22s;position:absolute;inset:0}.lm-box{background:var(--white);opacity:0;border-radius:20px;flex-direction:column;width:min(620px,100%);max-height:min(860px,100dvh - 48px);transition:opacity .22s,transform .28s cubic-bezier(.2,.8,.2,1);display:flex;position:relative;overflow:hidden;transform:translateY(14px)scale(.985);box-shadow:0 30px 80px -20px #16262a73}.lm-box:before{content:"";background:linear-gradient(90deg, var(--acc), var(--acc-soft));flex:none;height:4px;transition:background .3s}.lm.in .lm-back{opacity:1}.lm.in .lm-box{opacity:1;transform:none}.lm-head{flex:none;align-items:center;gap:10px;padding:14px 16px 10px 20px;display:flex}.lm-tabs{background:var(--paper-2);border-radius:12px;flex:1;grid-template-columns:1fr 1fr;gap:4px;padding:4px;display:grid}.lm-tab{height:42px;color:var(--ink-2);border-radius:9px;justify-content:center;align-items:center;gap:8px;font-size:15px;font-weight:700;transition:background .2s,color .2s,box-shadow .2s;display:inline-flex}.lm-tab svg{width:18px;height:18px}.lm-tab[aria-selected=true]{background:var(--white);color:var(--acc-ink);box-shadow:0 1px 3px #16262a1f}.lm-x{width:42px;height:42px;color:var(--ink-2);border-radius:10px;flex:none;place-items:center;display:grid}.lm-x:hover{background:var(--paper-2);color:var(--ink)}.lead-form{flex-direction:column;flex:1;min-height:0;display:flex}.lead-form[hidden]{display:none}.lm-scroll{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:16px;min-height:0;padding:6px 20px 18px;display:flex;overflow-y:auto}.lm-pitch .display{margin:0 0 10px;font-size:clamp(24px,3vw,30px)}.lm-pitch .display em{color:var(--acc)}.lm-facts{flex-wrap:wrap;gap:6px;display:flex}.lm-facts span{background:var(--acc-soft);color:var(--acc-ink);border-radius:999px;padding:5px 10px;font-size:13px}.lm-facts b{font-weight:800}.lm-foot{padding:12px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line-2);background:var(--white);flex-direction:column;flex:none;gap:8px;display:flex}.lf-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.lf{color:var(--ink-2);flex-direction:column;gap:7px;font-size:13px;font-weight:600;display:flex}.lf>div[data-for]{flex-direction:column;gap:7px;display:flex}.lf em{color:var(--ink-3);font-style:normal;font-weight:400}.lf input{border:1px solid var(--line);background:var(--white);width:100%;height:50px;font:inherit;color:var(--ink);border-radius:10px;padding:0 14px;font-size:16px;font-weight:400;transition:border-color .15s,box-shadow .15s}.lf input:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-soft);outline:none}.lf-chips{flex-wrap:wrap;gap:8px;display:flex}.lf-chips button{border:1px solid var(--line);background:var(--white);min-height:42px;color:var(--ink-2);border-radius:10px;align-items:center;gap:6px;padding:0 14px;font-size:14.5px;font-weight:600;transition:border-color .15s,background .15s,color .15s;display:inline-flex}@media (hover:hover){.lf-chips button:hover{border-color:var(--ink-3)}}.lf-chips button i{display:none}.lf-chips button[aria-pressed=true]{border-color:var(--acc);background:var(--acc-soft);color:var(--acc-ink)}.lf-chips button[aria-pressed=true] i{display:inline-flex}.lf-captcha:empty{display:none}.lf-msg{margin:0;font-size:14px;font-weight:600}.lf-msg:empty{display:none}.lf-msg.ok{color:#2f7d4c}.lf-msg.err{color:#b6412e}.lf-send{background:var(--acc);color:#fff;justify-content:center;width:100%}.lf-send:hover{background:var(--acc-ink)}.lf-send:disabled{opacity:.7}.lf-privacy{color:var(--ink-3);text-align:center;margin:0;font-size:12px}.lf-done{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;padding:56px 28px;display:flex}.lf-done[hidden]{display:none}.lf-done h3{letter-spacing:-.02em;margin:6px 0 0;font-size:24px}.lf-done p{color:var(--ink-2);margin:0 0 8px}.lf-done-ic{background:var(--acc);color:#fff;border-radius:50%;place-items:center;width:68px;height:68px;animation:.5s cubic-bezier(.2,1.4,.4,1) both ctPop;display:grid}.lf-done-ic svg{width:32px;height:32px}@keyframes ctPop{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:none}}@media (max-width:640px){.lm{padding:calc(12px + env(safe-area-inset-top)) 12px calc(12px + env(safe-area-inset-bottom));place-items:center}.lm-box{width:100%;max-height:calc(100dvh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom));border-radius:18px;transform:translateY(16px)scale(.98)}.lm-head{padding:10px 10px 8px 12px}.lm-foot{padding-bottom:14px}.lm-scroll{padding:4px 16px 18px}.lm-foot{padding-left:16px;padding-right:16px}.lf-row{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.lm-box,.lm-back{transition:none}.lf-done-ic{animation:none}}.pc-ghost{visibility:hidden}@media (max-width:960px){.pc-ghost{display:none}}html.lenis,html.lenis body{height:auto}.lenis [data-lenis-prevent]{overscroll-behavior:contain}.lenis.lenis-smooth iframe{pointer-events:none}@media (min-width:900px){.hw-card{grid-template-columns:minmax(0,.9fr) minmax(0,2fr);align-items:start;gap:10px 32px;display:grid}.hw-card h3,.hw-card p,.hw-card .pill{grid-column:1}.hw-card .hw-list{grid-area:1/2/span 3;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:0;display:grid}}.hw-card .pill{justify-self:start}
