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:is(.landing-shell .page-content:has(>.auth),.landing-shell .page-content:has(>.welcome)){max-width:none;padding:0}.auth,.welcome{isolation:isolate;background:radial-gradient(60% 64% at 50% 42%, #ffffff12, transparent 72%), linear-gradient(180deg, var(--showroom-800), var(--showroom-950) 84%);min-height:calc(100svh - 64px);color:var(--on-dark-2);position:relative;overflow:hidden}.auth:before,.welcome:before{content:"";z-index:-1;pointer-events:none;background:linear-gradient(#ffffff0a 1px,#0000 1px) 0 0/40px 40px,linear-gradient(90deg,#ffffff0a 1px,#0000 1px) 0 0/40px 40px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(80% 90% at 70% 40%,#000,#0000 80%);mask-image:radial-gradient(80% 90% at 70% 40%,#000,#0000 80%)}.auth .auth-grid{max-width:calc(1120px + 2 * var(--landing-gutter,64px));min-height:inherit;grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;gap:clamp(40px,5vw,80px);padding-block:clamp(32px,4vw,64px);display:grid}.auth .auth-title{font-family:var(--font-serif);letter-spacing:-.025em;color:var(--on-dark);text-wrap:balance;margin:14px 0 0;font-size:clamp(42px,4vw,64px);font-weight:400;line-height:.98}.auth-lead{max-width:34em;color:var(--on-dark-2);text-wrap:pretty;margin:18px 0 0;font-size:clamp(16px,1.2vw,18px);line-height:1.55}.auth-points{gap:14px;margin:28px 0 0;padding:0;list-style:none;display:grid}.auth-points li{color:var(--on-dark-3);grid-template-columns:38px minmax(0,1fr);align-items:start;gap:14px;line-height:1.5;display:grid}.auth-point-icon{width:38px;height:38px;color:var(--lamp-on-dark);background:#6fe0a014;border:1px solid #6fe0a04d;border-radius:11px;place-items:center;display:grid}.auth-points strong{font-size:var(--fs-16);color:var(--on-dark);display:block}.auth-carry{width:fit-content;max-width:100%;color:var(--on-dark);background:#6fe0a00f;border:1px solid #6fe0a047;border-radius:14px;align-items:center;gap:12px;margin:30px 0 0;padding:12px 18px 12px 12px;line-height:1.45;display:flex}.auth-form{align-content:center;justify-items:stretch;min-width:0;min-height:520px;display:grid}.auth-off{border:1px solid var(--showroom-line);max-width:360px;color:var(--on-dark-2);border-radius:18px;padding:24px;line-height:1.6}.welcome{padding:clamp(32px, 5vw, 80px) var(--landing-gutter,20px);place-items:center;display:grid}.welcome-card{background:linear-gradient(#1c2026,#15181d);border:1px solid #ffffff1f;border-radius:24px;gap:18px;width:min(100%,540px);padding:clamp(26px,3vw,40px);display:grid;box-shadow:0 40px 80px -40px #000000e6}.welcome-card h1{font-family:var(--font-serif);letter-spacing:-.02em;color:var(--on-dark);margin:0;font-size:clamp(40px,3.8vw,56px);font-weight:400;line-height:1}.welcome-card p{color:var(--on-dark-2);margin:0;line-height:1.6}.welcome-card .btn{justify-self:start}.welcome-actions{flex-wrap:wrap;gap:12px;display:flex}.welcome-field{gap:8px;display:grid}.welcome-field>span:first-child{font-size:var(--fs-15);color:var(--on-dark);font-weight:600}.welcome-input{display:block;position:relative}.welcome-input input{width:100%;height:52px;font-family:var(--font-mono);color:var(--on-dark);transition:border-color .16s var(--ease), box-shadow .16s var(--ease);background:#101318;border:1px solid #ffffff29;border-radius:12px;padding:0 46px 0 16px;font-size:17px}.welcome-input input:focus{border-color:#6fe0a099;outline:none;box-shadow:0 0 0 3px #6fe0a02e}.welcome-input input[aria-invalid=true]{border-color:#ff8a7a99}.welcome-ok,.welcome-bad{position:absolute;top:50%;right:15px;translate:0 -50%}.welcome-ok{color:var(--lamp-on-dark)}.welcome-bad{color:#ff8a7a}.welcome-hint{min-height:1.5em;font-size:var(--fs-15);color:var(--on-dark-3)}.welcome-field:has(input[aria-invalid=true]) .welcome-hint{color:#ff8a7a}.name-form{gap:10px;display:grid}.name-form-fields{grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:12px;display:grid}.name-form .welcome-field>span:first-child small{color:var(--on-dark-3);font-weight:400}.name-form .welcome-input input{height:46px;padding-right:40px;font-family:inherit;font-size:16px}.name-form-welcome .welcome-input input{height:52px;font-size:17px}.name-form .name-form-hint{margin:0}.name-form:has(input[aria-invalid=true]) .name-form-hint{color:#ff8a7a}.name-form-actions{flex-wrap:wrap;align-items:center;gap:10px 16px;display:flex}.welcome-preview{background:#ffffff08;border:1px solid #ffffff1a;border-radius:14px;grid-template-columns:auto auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:12px 16px;display:grid}.welcome-preview-rank{font-family:var(--font-mono);color:var(--lamp-on-dark);font-size:14px}.welcome-preview-name{min-width:0;display:grid}.welcome-preview-name strong{font-family:var(--font-mono);text-overflow:ellipsis;white-space:nowrap;color:var(--on-dark);font-weight:600;overflow:hidden}.welcome-preview-name small{color:var(--on-dark-3);font-size:13px}.welcome-preview-xp{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--on-dark-2);font-size:14px}.account-auth{border-radius:var(--r-pill);background:#ffffff0a;border:1px solid #ffffff1f;flex:none;align-items:center;gap:2px;padding:3px;display:inline-flex}.account-signin{border-radius:var(--r-pill);min-height:32px;font-size:var(--fs-15);color:var(--on-dark-2,#c9ccd2);white-space:nowrap;transition:color .15s var(--ease), background .15s var(--ease);align-items:center;padding:0 12px 0 14px;font-weight:600;text-decoration:none;display:inline-flex}.account-signin:hover{color:var(--on-dark,#fff);background:#ffffff0f}.account-signup{border-radius:var(--r-pill);min-height:32px;font-size:var(--fs-15);color:#03140b;white-space:nowrap;transition:transform .18s var(--ease), box-shadow .22s var(--ease);background:linear-gradient(#5ee6a0,#3fd98a);flex:none;align-items:center;gap:6px;padding:0 14px 0 16px;font-weight:650;text-decoration:none;display:inline-flex;box-shadow:inset 0 1px #fff6,0 6px 18px -10px #3fd98ab3}.account-signup:hover{transform:translateY(-1px);box-shadow:inset 0 1px #ffffff73,0 10px 24px -10px #3fd98ad9}.account-signup svg{transition:transform .2s var(--ease)}.account-signup:hover svg{transform:translate(2px)}.account-auth-phone{padding:2px}.account-auth-phone .account-signin{min-height:30px;font-size:var(--fs-14,14px);padding:0 8px 0 11px}.account-auth-phone .account-signup{min-height:30px;font-size:var(--fs-14,14px);padding:0 12px}.account-slot{flex:none;width:196px;height:36px}.account-menu{flex:none;position:relative}.account-chip{border:1px solid var(--showroom-line);border-radius:var(--r-pill);min-height:36px;font:inherit;font-size:var(--fs-15);color:var(--on-dark);cursor:pointer;background:0 0;align-items:center;gap:8px;padding:0 10px 0 4px;font-weight:600;display:inline-flex}.account-chip:hover,.account-chip[aria-expanded=true]{border-color:#ffffff4d}.account-chip svg{color:var(--on-dark-3)}.account-avatar{letter-spacing:.02em;color:#0f1115;background:linear-gradient(135deg,#6fe0a0,#36a46e);border-radius:50%;place-items:center;width:28px;height:28px;font-size:11px;font-weight:700;display:grid}.account-name{text-overflow:ellipsis;white-space:nowrap;max-width:12ch;overflow:hidden}.account-pop{z-index:40;min-width:250px;animation:account-pop-in .16s var(--ease-out);background:#181b21;border:1px solid #ffffff1f;border-radius:14px;padding:6px;display:grid;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 24px 50px -20px #000000d9}@keyframes account-pop-in{0%{opacity:0;transform:translateY(-4px)}}.account-pop-head{border-bottom:1px solid #ffffff14;gap:2px;margin-bottom:4px;padding:10px 12px 12px;display:grid}.account-pop-head strong{color:var(--on-dark)}.account-pop-head span{text-overflow:ellipsis;color:var(--on-dark-3);font-size:13px;overflow:hidden}.account-pop button{width:100%;font:inherit;font-size:var(--fs-15);color:var(--on-dark-2);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;display:flex}.account-pop button:hover{color:var(--on-dark);background:#ffffff0f}.account-pop .account-pop-cta{color:var(--lamp-on-dark)}.account-pop-count{color:#fff;background:#ff4d6d;border-radius:999px;place-items:center;min-width:20px;height:20px;margin-left:auto;padding:0 6px;font-size:12px;font-weight:800;display:grid}.account-plan{border-radius:var(--r-pill);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;padding:2px 8px;font-size:11.5px;font-weight:600}.account-plan.pro{background:var(--lamp-on-dark);color:#0f1115}.account-plan.trial{color:var(--lamp-on-dark);border:1px solid #6fe0a073}.account-plan.trial.ending{color:#f3c46b;border-color:#f3c46b8c}.account-pop-head .account-pop-plan{font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--lamp-on-dark);margin-top:6px;font-size:12px}.pro-offer{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:100%;color:var(--on-dark-2);background:radial-gradient(90% 140% at 0 0,#6fe0a01c,#0000 60%),#16191ecc;border:1px solid #6fe0a052;border-radius:20px;padding:clamp(20px,2vw,26px);box-shadow:0 30px 60px -36px #000000d9;container-type:inline-size}.mp-start~.pro-offer,.mp-copy>.pro-offer{margin-top:clamp(24px,2.4vw,36px)}.pro-offer-head{align-items:center;gap:16px;display:flex}.pro-offer-head>div{gap:4px;display:grid}.pro-offer-head strong,.pro-offer-head h2{font-size:var(--fs-19);color:var(--on-dark)}.pro-offer-head h2{font-family:inherit;font-weight:bolder;line-height:inherit;letter-spacing:inherit}.pro-offer-head span{line-height:1.5}.pro-mark{width:52px;height:52px;color:var(--lamp-on-dark);background:#6fe0a01a;border:1px solid #6fe0a073;border-radius:14px;flex:none;place-items:center;display:grid;box-shadow:0 0 24px -6px #6fe0a099}.pro-offer .btn-primary{color:var(--showroom-950);background:#fff}.pro-offer .btn-primary:hover:not(:disabled){background:#e8e7e3}.pro-offer .btn-secondary{color:var(--on-dark);background:#ffffff0d;border-color:#ffffff38}.pro-gate{margin:clamp(24px,3vw,48px) auto 0}.mp-rig-chip.pro{color:var(--lamp-on-dark);border-color:#6fe0a066}.lesson-pro,.course-pro{margin:28px 0 0}.lesson-locked{counter-reset:locked 1;gap:0;max-width:640px;margin:22px 0 0;padding:0;list-style:none;display:grid}.lesson-locked li{border-bottom:1px solid var(--line-200);color:var(--ink-500);counter-increment:locked;align-items:center;gap:12px;padding:12px 4px;display:flex}.lesson-locked li:before{content:counter(locked) ".";min-width:1.6em;font-family:var(--font-mono);color:var(--ink-500);font-size:13px}.lesson-locked li .pro-tag{margin-left:auto}.course-module-pro{margin-left:8px}.welcome-card.welcome-plans{width:min(100%,760px)}.plan-choice{gap:12px;margin-top:6px;display:grid}.welcome-card .plan-no-card{color:var(--lamp-on-dark);margin:0 0 14px;font-size:clamp(21px,2.4vw,27px);font-weight:650;line-height:1.25}.plan-gains{font-size:var(--fs-18,18px);color:var(--on-dark);gap:10px;margin:6px 0 8px;padding:0;font-weight:550;list-style:none;display:grid}.plan-gains li{grid-template-columns:18px 1fr;align-items:start;gap:10px;display:grid}.plan-gains svg{color:var(--lamp-on-dark);margin-top:4px}.plan-option .plan-option-go{color:#0f1115;background:#fff;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:54px;font-size:18px;font-weight:650;display:flex}.plan-option:not(.featured){padding-block:14px}.plan-option:not(.featured) strong{font-size:16px}.plan-option.featured small{font-family:inherit;font-size:14px;line-height:1.45}.plan-option{font:inherit;color:var(--on-dark-2);text-align:left;cursor:pointer;transition:border-color .16s var(--ease), transform .2s var(--ease-out), background .16s var(--ease);background:#ffffff08;border:1px solid #ffffff1f;border-radius:16px;align-content:start;gap:8px;padding:20px;display:grid}.plan-option:hover:not(:disabled){border-color:#ffffff42;transform:translateY(-2px)}.plan-option:disabled{cursor:progress;opacity:.7}.plan-option strong{font-size:var(--fs-19);color:var(--on-dark)}.plan-option span{line-height:1.5}.plan-option small{font-family:var(--font-mono);color:var(--on-dark-3);margin-top:4px;font-size:12.5px}.plan-option.featured{background:radial-gradient(120% 120% at 0 0,#6fe0a024,#0000 60%),#ffffff08;border-color:#6fe0a080;box-shadow:0 0 40px -18px #6fe0a099}.plan-option.featured:hover:not(:disabled){border-color:#6fe0a0bf}.plan-option 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