:root{color-scheme:dark;--bg:#081015;--panel:#101c24;--panel2:#14232b;--line:#24353e;--text:#eff5f5;--muted:#9bafb9;--cyan:#48dfcf;--gold:#d3b576;--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}.wrap{max-width:1200px;margin:auto;padding:0 32px}.top{height:88px;display:flex;align-items:center;gap:36px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:750;letter-spacing:-.5px}.brand img{width:40px;height:40px;border:1px solid var(--line);border-radius:10px}.brand span span{font-weight:400;color:var(--muted)}.top nav{display:flex;gap:28px;margin-left:auto;color:var(--muted);font-size:14px}.top .actions{display:flex;align-items:center;gap:14px}.lang{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:9px;padding:8px 9px;max-width:90px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 20px;background:var(--cyan);color:#06221f;border:1px solid var(--cyan);border-radius:9px;font-weight:650;transition:transform .15s,background .15s}.btn:hover{background:#82f2e7;transform:translateY(-1px)}.btn.secondary{background:transparent;color:var(--text);border-color:var(--line)}.btn.secondary:hover{background:var(--panel)}.btn.small{padding:7px 13px;font-size:13px}.btn.full{width:100%}.hero{padding:94px 0 65px;display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--cyan);display:flex;gap:8px;align-items:center}.dot{display:inline-block;width:6px;height:6px;background:var(--cyan);border-radius:100%;box-shadow:0 0 12px #48dfcf55}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,4.7vw,65px);line-height:1.08;letter-spacing:-2.5px;font-weight:650;margin:22px 0}h1 em{color:var(--cyan);font-style:normal}.lead{color:var(--muted);font-size:17px;max-width:520px;line-height:1.8}.hero .buttons{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 20px}.subtle{color:var(--muted);font-size:12px}.hero-art{position:relative;background:linear-gradient(135deg,#172d35,#0d1a22);border:1px solid #31515b;border-radius:20px;padding:24px;box-shadow:0 30px 110px #1a8b8114}.art-head{display:flex;justify-content:space-between;align-items:center;font-size:12px}.tag{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--cyan);border:1px solid #48dfcf44;background:#48dfcf0b;border-radius:5px;padding:4px 8px}.chart{width:100%;height:auto;display:block;margin-top:18px}.art-bottom{display:flex;align-items:center;gap:15px;border-top:1px solid var(--line);padding-top:17px}.circle{width:38px;height:38px;display:grid;place-items:center;border:1px solid #48dfcf66;border-radius:50%;color:var(--cyan)}.art-bottom strong{display:block;font-size:12px}.float-card{position:absolute;bottom:70px;right:-20px;background:#172832;border:1px solid #39505a;border-radius:10px;padding:12px 18px;box-shadow:0 8px 20px #0005;font-size:12px}.float-card b{color:var(--gold);display:block}.proof{display:grid;grid-template-columns:repeat(3,1fr);padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:20px}.proof div{display:flex;align-items:center;gap:14px}.proof b{font-size:25px;font-weight:550;color:var(--cyan)}.section{padding:70px 0}.section h2{font-size:32px;letter-spacing:-1px;font-weight:600;margin:12px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.card h3{font-size:18px;letter-spacing:-.4px;margin:16px 0 10px}.card p{color:var(--muted);font-size:14px}.card .num{font-size:13px;color:var(--cyan);font-family:monospace}.card-foot{margin-top:24px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.callout{padding:35px;background:linear-gradient(120deg,#123833,#12212b);border:1px solid #2d514f;border-radius:18px;display:flex;justify-content:space-between;align-items:center;gap:30px}.callout h2{font-size:26px;margin-bottom:8px}.callout p{margin:0;color:var(--muted)}footer{border-top:1px solid var(--line);padding:30px 0;margin-top:40px;color:var(--muted);font-size:12px}footer .wrap{display:flex;justify-content:space-between;gap:35px}footer p{max-width:690px}.auth{max-width:470px;margin:55px auto}.auth h1{font-size:32px;letter-spacing:-1px}.auth .card{padding:32px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}input,textarea{width:100%;background:#08131b;color:var(--text);border:1px solid #304550;border-radius:8px;padding:12px 14px}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--cyan)}textarea{min-height:100px;resize:vertical}.field{margin-bottom:18px}.form-foot{display:flex;justify-content:space-between;gap:12px;margin-top:20px;font-size:12px;color:var(--cyan)}.error{color:#ffc0b7;padding:10px 0;font-size:13px}.success{color:var(--cyan)}.notice{border:1px solid #635636;background:#c5a66609;border-radius:10px;padding:15px;color:#dbcba7;font-size:13px;margin:18px 0}.shell{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:100vh}.sidebar{border-right:1px solid var(--line);padding:28px 22px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar .brand{font-size:17px}.sidebar .brand img{width:32px;height:32px}.sidebar nav{display:grid;gap:8px;margin-top:40px}.sidebar nav a{padding:11px 14px;border-radius:8px;color:var(--muted);font-size:13px;display:flex;gap:14px}.sidebar nav a.active{color:var(--cyan);background:#48dfcf0e;border:1px solid #48dfcf20}.sidebar .bottom{margin-top:auto}.sidebar .bottom p{font-size:11px;color:var(--muted);margin:16px 0}.main{min-width:0}.app-top{padding:22px 36px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;justify-content:flex-end}.avatar{width:32px;height:32px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--cyan);background:var(--panel)}.page{padding:38px;max-width:1250px;margin:auto}.page h1{font-size:32px;letter-spacing:-1px;margin:9px 0 10px}.page-heading{margin-bottom:28px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:26px 0}.stat{border:1px solid var(--line);background:var(--panel);border-radius:13px;padding:20px}.stat b{font-size:28px;font-weight:550;display:block;margin-top:5px}.stat span{color:var(--muted);font-size:12px}.stat i{font-style:normal;color:var(--cyan);font-size:12px}.two-col{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.progress{height:5px;background:#263941;border-radius:5px;overflow:hidden;margin:15px 0}.progress div{height:100%;background:var(--cyan);width:var(--progress,0%)}.lesson-list{display:grid;gap:10px}.lesson-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:17px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.lesson-row:hover{border-color:#48dfcf88}.lesson-row small{display:block;color:var(--muted);margin-top:4px}.track{margin-bottom:28px}.track>h2{font-size:20px}.badge{display:inline-block;background:#48dfcf0b;color:var(--cyan);font-size:11px;padding:5px 9px;border:1px solid #48dfcf33;border-radius:5px}.badge.gold{color:var(--gold);border-color:#d3b57655;background:#d3b5760a}.achievement{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:14px}.achievement:last-child{border:0}.achievement p{margin:0;font-size:12px}.reading{max-width:760px}.reading h1{font-size:36px}.reading article{font-size:16px;color:#c4d2d8;line-height:1.95;margin:28px 0}.reading article p{margin-bottom:24px}.quiz{margin-top:35px}.quiz h2{font-size:21px}.option{display:flex;gap:12px;padding:14px;border:1px solid var(--line);border-radius:9px;margin:10px 0;cursor:pointer;color:var(--text)}.option:has(input:checked){border-color:var(--cyan);background:#48dfcf08}.mobile-nav{display:none}.lab-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}.lab-grid input[type=range]{padding:0}.journal-output{white-space:pre-wrap}.upload-preview{max-width:100%;max-height:360px;border:1px solid var(--line);border-radius:8px;margin:20px 0}.hidden{display:none!important}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:500}.admin-form{max-width:580px;margin-top:20px}.admin-form select{padding:10px;width:100%;max-width:none}.search{display:flex;gap:12px;margin-bottom:20px}.search input{max-width:400px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:13px 22px;border:1px solid var(--cyan);border-radius:10px;background:#102a28;color:var(--text);display:none;z-index:50;max-width:90vw}.offline{background:#42361b;color:#f6df9f;text-align:center;padding:8px}.empty{text-align:center;padding:35px;color:var(--muted)}.inline-check{display:flex;gap:10px;align-items:flex-start;font-size:12px}.inline-check input{margin-top:5px}.split{display:flex;justify-content:space-between;align-items:center;gap:16px}.large-number{font-size:45px;color:var(--cyan);line-height:1.2}.steps{display:flex;gap:5px;margin:20px 0}.steps span{height:3px;flex:1;background:var(--line)}.steps span:first-child{background:var(--cyan)}
@media(max-width:1000px){.hero{gap:35px}.float-card{right:-5px}.top nav{display:none}.top .actions{margin-left:auto}.shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:25px 13px}.sidebar .brand{font-size:14px}.page{padding:25px}.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.two-col,.lab-grid{grid-template-columns:1fr}}
@media(max-width:680px){.wrap{padding:0 21px}.top{height:75px;gap:12px}.brand{font-size:17px}.brand img{width:30px;height:30px}.top .actions{gap:8px}.top .actions>a:first-of-type{display:none}.top .btn{padding:7px 10px;font-size:12px}.lang{font-size:12px;padding:6px}.hero{padding:48px 0 35px;grid-template-columns:1fr;gap:30px}h1{letter-spacing:-1.5px}.lead{font-size:15px}.hero-art{padding:18px;max-width:480px}.float-card{bottom:70px;right:0}.proof{grid-template-columns:1fr;gap:14px;padding:22px 0}.proof b{font-size:20px;min-width:40px}.section{padding:45px 0}.section h2{font-size:27px}.section-head{align-items:start;flex-direction:column;gap:8px}.callout{padding:25px;align-items:start;flex-direction:column}.callout h2{font-size:24px}footer .wrap{flex-direction:column;gap:8px}.auth{margin:30px auto;padding:0 18px}.auth .card{padding:23px}.shell{display:block}.sidebar{display:none}.app-top{padding:15px 20px}.mobile-nav{display:flex;position:sticky;top:0;background:#081015f5;backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:10px 15px;gap:14px;overflow-x:auto;z-index:10}.mobile-nav a{white-space:nowrap;color:var(--muted);font-size:12px;padding:5px}.mobile-nav a.active{color:var(--cyan)}.page{padding:25px 18px}.page h1{font-size:28px}.reading h1{font-size:30px}.stat{padding:16px}.stat b{font-size:24px}.card{padding:20px}.lesson-row{font-size:13px;padding:14px;gap:10px}.lesson-row small{font-size:10px}.app-top .brand{margin-right:auto}.search{flex-wrap:wrap}.split{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(max-width:420px){.top{gap:8px}.top .brand{font-size:15px;gap:8px}.top .brand img{width:28px;height:28px}.top .btn{font-size:11px;padding:7px 9px;white-space:nowrap}.hero>div{min-width:0}}
.device-notice{margin:24px 0 30px;border-color:#31534f;background:linear-gradient(120deg,#12302b,#101c24)}.device-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.device-later{background:transparent;border:0;color:var(--muted);font-size:12px;padding:8px}.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.device-grid>div{min-width:0}.device-grid h3{margin:12px 0 8px}.device-grid p{margin-bottom:12px}.device-grid .subtle{font-size:12px;margin-top:12px}@media(max-width:680px){.device-grid{grid-template-columns:1fr;gap:12px}.device-grid>div+div{border-top:1px solid var(--line);padding-top:10px}}
.phone-fields{display:flex;gap:10px}.phone-fields .lang{max-width:none;width:165px;flex-shrink:0}.phone-fields input{min-width:0}.phone-fields+p{margin:7px 0 0}@media(max-width:480px){.phone-fields{flex-direction:column}.phone-fields .lang{width:100%}}