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.2s;display:flex}.topnav-profile-logout:hover{background:#e31b2324}.topnav-mobile-btn{width:34px;height:34px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:none}.topnav-mobile-dropdown{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-default);box-shadow:var(--shadow-lg);border-radius:16px;margin-top:8px;padding:8px;overflow:hidden}.topnav-mobile-link{color:var(--text-secondary);border-radius:10px;align-items:center;gap:10px;padding:10px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.topnav-mobile-link:hover{background:var(--bg-secondary);color:var(--text-primary)}.topnav-mobile-link-active{background:var(--accent-subtle);color:var(--accent-primary);font-weight:600}@media (max-width:900px){.topnav-links,.topnav-visitors{display:none}.topnav-mobile-btn{display:flex}}@media (min-width:901px){.topnav-mobile-btn{display:none}}@media (max-width:600px){.topnav{width:calc(100% - 12px);top:6px}.topnav-inner{padding:6px 12px}.topnav-streak{display:none}.appshell-main{height:calc(100vh - 60px);margin-top:60px}}.feat-hero{text-align:center;padding:140px 0 60px}.feat-hero-inner{max-width:700px;margin:0 auto}.feat-hero-label{letter-spacing:2px;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:16px;font-size:11px;font-weight:600;display:inline-block}.feat-hero-h1{color:var(--text-primary);margin-bottom:18px;font-size:clamp(28px,4.5vw,42px);font-weight:800;line-height:1.2}.feat-hero-sub{color:var(--text-secondary);max-width:560px;margin:0 auto 24px;font-size:15px;line-height:1.7}.feat-hero-pills{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.feat-hero-pill{color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:20px;align-items:center;gap:5px;padding:5px 12px;font-size:12px;font-weight:500;display:inline-flex}.feat-hero-pill svg{color:#059669}.feat-section{padding:80px 0;position:relative;overflow:hidden}.feat-section:nth-child(2n){background:var(--bg-secondary)}.feat-section-grid{grid-template-columns:1fr 1fr;align-items:center;gap:60px;display:grid}.feat-section-grid.feat-reversed{direction:rtl}.feat-section-grid.feat-reversed>*{direction:ltr}.feat-text{flex-direction:column;gap:16px;display:flex}.feat-label{letter-spacing:1.5px;border-radius:20px;align-items:center;gap:6px;width:fit-content;padding:5px 12px;font-size:11px;font-weight:700;display:inline-flex}.feat-h2{color:var(--text-primary);font-size:clamp(24px,3.5vw,34px);font-weight:800;line-height:1.25}.feat-desc{color:var(--text-secondary);max-width:480px;font-size:14px;line-height:1.75}.feat-highlights{flex-direction:column;gap:10px;margin-top:4px;display:flex}.feat-highlight-item{color:var(--text-primary);align-items:flex-start;gap:10px;font-size:13px;line-height:1.5;display:flex}.feat-highlight-icon{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;margin-top:1px;display:flex}.feat-cta{color:#fff;cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;width:fit-content;margin-top:8px;padding:10px 22px;font-size:13px;font-weight:600;transition:all .2s;display:inline-flex}.feat-cta:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 6px 20px #0003}.feat-demo-wrapper{justify-content:center;align-items:center;display:flex;position:relative}.feat-demo-glow{filter:blur(80px);opacity:.08;z-index:0;border-radius:50%;width:260px;height:260px;position:absolute}.feat-demo-card{z-index:1;border:1px solid var(--border-default);background:var(--bg-surface);border-radius:16px;width:100%;max-width:380px;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden;box-shadow:0 8px 40px #00000014}.feat-demo-card:hover{transform:translateY(-4px);box-shadow:0 12px 48px #0000001f}.feat-demo-header{border-bottom:1px solid var(--border-subtle);background:var(--bg-secondary);align-items:center;gap:8px;padding:10px 16px;display:flex}.feat-demo-dots{gap:5px;display:flex}.feat-demo-dots span{border-radius:50%;width:8px;height:8px}.feat-demo-dots span:first-child{background:#ef4444}.feat-demo-dots span:nth-child(2){background:#f59e0b}.feat-demo-dots span:nth-child(3){background:#22c55e}.feat-demo-title{color:var(--text-secondary);flex:1;font-size:11px;font-weight:600}.feat-demo-badge{font-size:11px;font-weight:700}.feat-demo-body{padding:16px}.feat-demo-criteria{flex-direction:column;gap:10px;margin-bottom:12px;display:flex}.feat-demo-criterion-header{color:var(--text-secondary);justify-content:space-between;margin-bottom:4px;font-size:11px;display:flex}.feat-demo-bar{background:var(--bg-secondary);border-radius:3px;height:6px;overflow:hidden}.feat-demo-bar-fill{border-radius:3px;height:100%;transition:width 1s ease-out}.feat-demo-feedback{background:var(--bg-secondary);color:var(--text-secondary);border-radius:8px;align-items:flex-start;gap:6px;padding:8px 10px;font-size:11px;line-height:1.5;display:flex}.feat-demo-passage{margin-bottom:4px}.feat-demo-question{background:#0596690a;border-left:3px solid #059669;border-radius:8px;align-items:center;gap:8px;margin-bottom:8px;padding:6px 10px;display:flex}.feat-demo-q-num{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;font-size:9px;font-weight:700;display:flex}.feat-demo-options{gap:6px;margin-left:26px;display:flex}.feat-demo-opt{background:var(--bg-secondary);color:var(--text-tertiary);border:1px solid var(--border-default);border-radius:4px;padding:3px 10px;font-size:10px;font-weight:600}.feat-demo-opt-correct{color:#059669;background:#05966914;border-color:#0596694d}.feat-demo-highlight-active{background:#fde68a66;border-radius:3px;padding:1px 3px;font-weight:600}.feat-demo-audio-bar{background:var(--bg-secondary);border-radius:8px;align-items:center;gap:8px;margin-top:10px;padding:8px 10px;display:flex}.feat-demo-progress{background:var(--border-default);border-radius:2px;flex:1;height:4px;overflow:hidden}.feat-demo-progress-fill{border-radius:2px;height:100%}.feat-demo-waveform{justify-content:center;align-items:flex-end;gap:2px;height:36px;padding:0 10px;display:flex}.feat-demo-wave-bar{border-radius:2px;width:4px;transition:height .3s}.feat-demo-scores{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px;display:grid}.feat-demo-score-item{text-align:center;background:var(--bg-secondary);border-radius:10px;padding:10px}.feat-demo-score-item span:first-child{margin-bottom:4px;display:block}.feat-demo-overall{text-align:center;background:#e31b230a;border:1px solid #e31b2326;border-radius:10px;padding:12px}.feat-demo-overall span:first-child{margin-bottom:4px;display:block}.feat-demo-chat{flex-direction:column;gap:10px;display:flex}.feat-demo-chat-user{background:var(--brand-navy);color:#fff;border-radius:12px 12px 2px;align-self:flex-end;max-width:85%;padding:8px 12px}.feat-demo-chat-ai{background:var(--bg-secondary);color:var(--text-primary);border-radius:12px 12px 12px 2px;gap:8px;padding:8px 12px;display:flex}.feat-demo-chat-ai-avatar{background:#6366f1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;margin-top:2px;display:flex}.feat-final-cta{text-align:center;background:var(--bg-secondary);padding:80px 0}.feat-final-inner{max-width:500px;margin:0 auto}.feat-final-h2{color:var(--text-primary);margin-bottom:12px;font-size:clamp(24px,3.5vw,32px);font-weight:800}.feat-final-sub{color:var(--text-secondary);margin-bottom:24px;font-size:14px;line-height:1.6}@media (max-width:768px){.feat-hero{padding:120px 0 40px}.feat-section{padding:50px 0}.feat-section-grid{grid-template-columns:1fr;gap:32px}.feat-section-grid.feat-reversed{direction:ltr}.feat-demo-wrapper{order:-1}.feat-demo-card{max-width:340px;margin:0 auto}.feat-h2{font-size:24px}.feat-desc{max-width:100%}.feat-final-cta{padding:50px 0}}.lobby-hero{text-align:center;border-bottom:1px solid var(--border-subtle);margin-bottom:16px;padding-bottom:16px}.lobby-hero-icon{border-radius:14px;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 10px;display:flex;box-shadow:0 4px 16px #0000001f}.lobby-hero-title{color:var(--text-primary);letter-spacing:-.3px;margin-bottom:6px;font-size:clamp(20px,2.5vw,24px);font-weight:800}.lobby-hero-sub{color:var(--text-secondary);max-width:420px;margin:0 auto;font-size:13px;line-height:1.6}.lobby-hero-pills{flex-wrap:wrap;justify-content:center;gap:6px;margin-top:10px;display:flex}.lobby-pill{background:var(--bg-secondary);color:var(--text-secondary);align-items:center;gap:4px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-flex}.lobby-card,.lobby-pill{border:1px solid var(--border-default);border-radius:16px}.lobby-card{background:var(--bg-surface);cursor:pointer;padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.lobby-card:before{content:"";opacity:0;border-radius:16px 16px 0 0;height:3px;transition:opacity .3s;position:absolute;top:0;left:0;right:0}.lobby-card:hover{border-color:#0000;transform:translateY(-3px);box-shadow:0 12px 36px #0000001a}.lobby-card:hover:before{opacity:1}.lobby-card-icon{border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;display:flex}.lobby-card-title{color:var(--text-primary);margin-bottom:4px;font-size:16px;font-weight:700}.lobby-card-desc{color:var(--text-secondary);font-size:12px;line-height:1.5}.lobby-card-tags{flex-wrap:wrap;gap:5px;margin-top:10px;display:flex}.lobby-tag{border-radius:6px;padding:3px 8px;font-size:10px;font-weight:600}.lobby-card-arrow{opacity:.2;flex-shrink:0;transition:all .3s}.lobby-card:hover .lobby-card-arrow{opacity:.8;transform:translate(2px)}.lobby-card-actions{gap:8px;margin-top:16px;display:flex}.lobby-btn{cursor:pointer;border:none;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:6px;padding:10px 16px;font-size:13px;font-weight:600;transition:all .2s;display:flex}.lobby-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px #00000026}.lobby-btn-outline{border:1px solid var(--border-default);color:var(--text-primary);background:0 0}.lobby-btn-outline:hover{background:var(--bg-secondary)}.dash-stat{border:1px solid var(--border-default);background:var(--bg-surface);border-radius:14px;padding:20px;transition:all .3s;position:relative;overflow:hidden}.dash-stat:after{content:"";opacity:.04;border-radius:0 14px 0 60px;width:60px;height:60px;position:absolute;top:0;right:0}.dash-stat:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000000f}.dash-stat-value{letter-spacing:-.5px;color:var(--text-primary);font-size:28px;font-weight:800}.dash-stat-label{color:var(--text-tertiary);margin-top:2px;font-size:11px}.dash-skill{border:1px solid var(--border-default);background:var(--bg-surface);border-radius:14px;align-items:center;gap:14px;padding:18px 20px;text-decoration:none;transition:all .3s;display:flex}.dash-skill:hover{border-color:#0000;transform:translateY(-2px);box-shadow:0 8px 28px #00000014}.dash-skill-icon{border-radius:13px;flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;display:flex}.dash-skill-bar{background:var(--bg-secondary);border-radius:3px;height:5px;margin-top:6px;overflow:hidden}.dash-skill-fill{border-radius:3px;height:100%;transition:width .6s ease-out}.dash-ach{border:1px solid var(--border-default);background:var(--bg-surface);text-align:center;border-radius:14px;padding:18px;transition:all .3s}.dash-ach:hover{transform:translateY(-2px)}.dash-ach-unlocked{background:#d9770605;border-color:#d977064d}.dash-ach-badge{color:#d97706;background:#d977061a;border-radius:8px;margin-top:6px;padding:2px 8px;font-size:9px;font-weight:700;display:inline-block}.dash-section-title{color:var(--text-primary);letter-spacing:-.2px;align-items:center;gap:8px;margin-bottom:14px;font-size:15px;font-weight:700;display:flex}.dash-section-title:before{content:"";background:var(--accent-primary);border-radius:2px;width:3px;height:18px}.lobby-info{border:1px solid var(--border-subtle);background:var(--bg-secondary);color:var(--text-secondary);border-radius:12px;align-items:flex-start;gap:8px;padding:12px 16px;font-size:12px;line-height:1.6;display:flex}@media (max-width:640px){.lobby-hero-icon{border-radius:14px;width:44px;height:44px}.lobby-hero-title{font-size:20px}.lobby-card{padding:16px}.lobby-card-icon{border-radius:10px;width:40px;height:40px}.lobby-card-actions{flex-direction:column}.dash-stat-value{font-size:22px}.lobby-hero{margin-bottom:14px;padding-bottom:14px}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}@keyframes spin{to{transform:rotate(1turn)}}@keyframes ping{75%,to{opacity:0;transform:scale(2)}}@keyframes pulse{50%{opacity:.5}}@keyframes bounce{0%,to{animation-timing-function:cubic-bezier(.8,0,1,1);transform:translateY(-25%)}50%{animation-timing-function:cubic-bezier(0,0,.2,1);transform:none}}