:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--bg-raised:#faf9fc;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-h:#9422f0;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--success:#1f9d55;--success-bg:#1f9d551a;--danger:#e0344c;--danger-bg:#e0344c1a;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--shadow-sm:#0000000f 0 1px 3px 0, #0000000a 0 1px 2px -1px;--radius:14px;--radius-sm:8px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--bg-raised:#1c1e26;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-h:#d3a4fd;--accent-bg:#c084fc26;--accent-border:#c084fc80;--success:#3ecb76;--success-bg:#3ecb761f;--danger:#f0637a;--danger-bg:#f0637a1f;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px;--shadow-sm:#0000004d 0 1px 3px 0, #0003 0 1px 2px -1px}}*{box-sizing:border-box}body{margin:0}h1,h2,h3,h4{font-family:var(--heading);color:var(--text-h);margin:0 0 8px;font-weight:600}h1{letter-spacing:-1.5px;margin:0 0 20px;font-size:52px;font-weight:600;line-height:1.08}@media (width<=1024px){h1{letter-spacing:-.8px;font-size:34px}}h2{letter-spacing:-.5px;margin:0 0 12px;font-size:34px;line-height:118%}@media (width<=1024px){h2{font-size:26px}}h3{letter-spacing:-.2px;margin:0 0 6px;font-size:20px}p{margin:0 0 12px}a{color:inherit}ul{margin:0;padding:0;list-style:none}img,svg{max-width:100%;display:block}code{font-family:var(--mono);background:var(--code-bg);color:var(--text-h);border-radius:4px;padding:2px 6px;font-size:15px;line-height:135%}.container{box-sizing:border-box;width:1126px;max-width:100%;margin:0 auto;padding-inline:24px}.eyebrow{letter-spacing:.4px;text-transform:uppercase;color:var(--accent);background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:999px;align-items:center;gap:6px;margin-bottom:16px;padding:5px 12px;font-size:13px;font-weight:600;display:inline-flex}.lead{color:var(--text);max-width:640px;margin:0 0 28px;font-size:20px;line-height:155%}@media (width<=1024px){.lead{font-size:17px}}.section{border-top:1px solid var(--border);padding:88px 0}@media (width<=1024px){.section{padding:56px 0}}.section-head{text-align:center;max-width:680px;margin:0 auto 48px}.section-head .eyebrow{margin-inline:auto}.section-head p{color:var(--text);font-size:18px}.center{text-align:center}.btn{font:inherit;letter-spacing:0;cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-size:16px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .1s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-h);border-color:var(--accent-h)}.btn-secondary{border-color:var(--border);color:var(--text-h);background:0 0}.btn-secondary:hover{border-color:var(--accent-border);background:var(--accent-bg)}.btn-ghost{color:var(--text-h);background:0 0;border-color:#0000;padding-inline:10px}.btn-ghost:hover{background:var(--social-bg)}.btn-block{width:100%}.btn-lg{padding:14px 28px;font-size:17px}.btn[disabled]{opacity:.55;cursor:not-allowed}.site-header{border-bottom:1px solid var(--border);z-index:40;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0}.nav{justify-content:space-between;align-items:center;gap:24px;height:72px;display:flex}.brand{color:var(--text-h);letter-spacing:-.3px;align-items:center;gap:9px;font-size:19px;font-weight:700;text-decoration:none;display:inline-flex}.brand .logo{object-fit:contain;flex-shrink:0;width:24px;height:24px}.nav-links{flex:1;justify-content:center;align-items:center;gap:4px;display:flex}.nav-links a{color:var(--text);border-radius:8px;padding:8px 14px;font-size:15px;font-weight:500;text-decoration:none;display:inline-flex}.nav-links a:hover{color:var(--text-h);background:var(--social-bg)}.nav-links a.active{color:var(--accent);font-weight:600}.nav-account{color:var(--text);text-overflow:ellipsis;white-space:nowrap;max-width:180px;font-size:14px;overflow:hidden}.nav-actions{align-items:center;gap:18px;margin-left:12px;display:flex}.nav-toggle{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;display:none}.nav-toggle svg{width:20px;height:20px;stroke:var(--text-h)}@media (width<=860px){.nav-links{background:var(--bg);border-bottom:1px solid var(--border);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;padding:8px 16px 16px;display:none;position:absolute;top:72px;left:0;right:0}.nav-links.open{display:flex}.nav-links a{padding:12px 10px}.nav-actions a.btn-ghost,.nav-account{display:none}.nav-toggle{display:inline-flex}}.site-footer{border-top:1px solid var(--border);margin-top:auto;padding:56px 0 28px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;display:grid}.footer-grid>*{min-width:0}.footer-brand p{max-width:280px;font-size:15px}.footer-col h4{text-transform:uppercase;letter-spacing:.5px;color:var(--text-h);margin-bottom:14px;font-size:13px}.footer-col ul{flex-direction:column;gap:10px;display:flex}.footer-col a{color:var(--text);font-size:15px;text-decoration:none}.footer-col a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--border);color:var(--text);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:20px;font-size:13px;display:flex}@media (width<=760px){.footer-grid{grid-template-columns:1fr 1fr}}.hero{padding:72px 0 88px}@media (width<=1024px){.hero{padding:40px 0 56px}}.hero-stack{text-align:center}.hero-stack .eyebrow{margin-inline:auto}.hero-stack h1{max-width:780px;margin-inline:auto}.hero-visual{max-width:560px;margin:32px auto 36px}.hero-stack .lead{text-align:center;margin-inline:auto}.hero-ctas{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:18px;display:flex}.hero-note{color:var(--text);justify-content:center;align-items:center;gap:6px;font-size:14px;display:flex}.hero-note a{color:var(--accent);text-decoration:underline}.mock-panel{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.mock-panel-head{border-bottom:1px solid var(--border);color:var(--text-h);align-items:center;gap:8px;padding:14px 16px;font-size:14px;font-weight:600;display:flex}.mock-panel-body{flex-direction:column;gap:12px;padding:18px 16px;display:flex}.mock-bubble{border-radius:14px;max-width:86%;padding:10px 14px;font-size:14.5px;line-height:145%}.mock-bubble.student{background:var(--accent);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.mock-bubble.tutor{background:var(--code-bg);color:var(--text-h);border-bottom-left-radius:4px;align-self:flex-start}.mock-bubble.locked{background:var(--danger-bg);color:var(--text-h);border:1px dashed var(--danger);align-self:flex-start;font-size:13.5px;font-weight:600}.mock-chip-row{flex-wrap:wrap;gap:8px;padding:0 16px 16px;display:flex}.mock-chip{border:1px solid var(--border);color:var(--text);border-radius:999px;padding:6px 12px;font-size:13px}.feature-split{grid-template-columns:1fr 1fr;align-items:center;gap:64px;padding:64px 0;display:grid}.feature-split>*{min-width:0}.feature-split+.feature-split{border-top:1px solid var(--border)}.feature-split.reverse .feature-split-visual{order:2}.feature-split-icon{background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:20px;font-size:26px;display:flex}.feature-split p{font-size:17px}@media (width<=900px){.feature-split,.feature-split.reverse{grid-template-columns:1fr;gap:28px;padding:40px 0}.feature-split.reverse .feature-split-visual{order:-1}}.subject-chips{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.subject-chip{border:1px solid var(--border);background:var(--bg-raised);color:var(--text-h);border-radius:999px;align-items:center;gap:8px;padding:9px 16px;font-size:14.5px;font-weight:500;display:inline-flex}.subject-chip .glyph{font-size:16px}.features-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.features-grid>*{min-width:0}.feature-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-raised);padding:26px 24px}.feature-card .icon{margin-bottom:14px;font-size:24px;display:block}.feature-card h3{font-size:17px}.feature-card p{margin:0;font-size:15px}@media (width<=900px){.features-grid{grid-template-columns:1fr 1fr}}@media (width<=620px){.features-grid{grid-template-columns:1fr}}.pricing-grid{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:20px;display:grid}.pricing-grid>*{min-width:0}.price-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-raised);flex-direction:column;padding:32px 28px;display:flex}.price-card--featured{background:var(--bg);border:2px solid var(--accent);box-shadow:var(--shadow);position:relative}.price-badge{background:var(--accent);color:#fff;letter-spacing:.4px;text-transform:uppercase;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;position:absolute;top:-13px;left:28px}.price-name{text-transform:uppercase;letter-spacing:.5px;color:var(--accent);margin-bottom:10px;font-size:15px;font-weight:700}.price-amount{align-items:baseline;gap:6px;margin-bottom:6px;display:flex}.price-amount .num{letter-spacing:-1px;color:var(--text-h);font-size:44px;font-weight:700}.price-amount .period{color:var(--text);font-size:15px}.price-sub{margin-bottom:24px;font-size:14.5px}.price-features{flex-direction:column;flex:1;gap:12px;margin-bottom:28px;display:flex}.price-features li{color:var(--text-h);align-items:flex-start;gap:10px;font-size:15px;display:flex}.price-features li .check{background:var(--success-bg);width:18px;height:18px;color:var(--success);border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;font-size:12px;display:flex}.price-features li.muted{color:var(--text)}.price-features li.muted .check{background:var(--code-bg);color:var(--text)}.price-note{color:var(--text);text-align:center;margin:12px 0 0;font-size:13px}.waitlist-form{flex-direction:column;gap:10px;display:flex}.waitlist-count{color:var(--text);margin:0;font-size:12.5px}.waitlist-perk{color:var(--accent);margin:0;font-size:12.5px;font-weight:600}.waitlist-thanks{color:var(--success);background:var(--success-bg);border-radius:9px;margin:0;padding:12px 14px;font-size:13.5px;font-weight:600}.waitlist-form .form-msg{margin-top:0;padding:9px 12px;font-size:13px}@media (width<=900px){.pricing-grid{grid-template-columns:1fr}}.cta-band{border-radius:var(--radius);background:linear-gradient(135deg, var(--accent-bg), var(--code-bg));border:1px solid var(--accent-border);text-align:center;padding:56px 40px}.cta-band h2{margin-bottom:10px}.cta-band p{max-width:520px;margin:0 auto 26px;font-size:17px}.cta-band .hero-ctas{justify-content:center}.trust-strip{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.trust-strip>*{min-width:0}.trust-item{text-align:center;padding:8px}.trust-item .icon{margin-bottom:10px;font-size:26px}.trust-item h3{font-size:16px}.trust-item p{margin:0;font-size:14.5px}@media (width<=760px){.trust-strip{grid-template-columns:1fr}}.auth-wrap{justify-content:center;padding:64px 0 96px;display:flex}.auth-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-raised);width:440px;max-width:100%;box-shadow:var(--shadow-sm);padding:36px 34px}.auth-card h1{margin-bottom:6px;font-size:28px}.auth-sub{margin-bottom:26px;font-size:15px}.field{margin-bottom:18px}.field label{color:var(--text-h);margin-bottom:6px;font-size:14px;font-weight:600;display:block}.field input,.field select{width:100%;font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:9px;padding:11px 13px;font-size:15px}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}.field input.invalid{border-color:var(--danger)}.field-error{color:var(--danger);margin-top:6px;font-size:13px;display:none}.field-error.show{display:block}.field-hint{color:var(--text);margin-top:6px;font-size:13px}.checkbox-field{align-items:flex-start;gap:10px;margin-bottom:20px;display:flex}.checkbox-field input{width:17px;height:17px;accent-color:var(--accent);flex-shrink:0;margin-top:3px}.checkbox-field label{color:var(--text);font-size:14px;line-height:145%}.checkbox-field a{color:var(--accent);text-decoration:underline}.checkbox-field.invalid{outline:1px solid var(--danger);outline-offset:6px;border-radius:4px}.form-msg{border-radius:9px;margin-top:18px;padding:12px 14px;font-size:14px;display:none}.form-msg.show{display:block}.form-msg.info{background:var(--accent-bg);color:var(--text-h);border:1px solid var(--accent-border)}.form-msg.error{background:var(--danger-bg);color:var(--text-h);border:1px solid var(--danger)}.auth-switch{text-align:center;margin:22px 0 0;font-size:14.5px}.auth-switch a{color:var(--accent);font-weight:600;text-decoration:none}.auth-switch a:hover{text-decoration:underline}.auth-divider{color:var(--text);align-items:center;gap:12px;margin:22px 0;font-size:13px;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.row-between{justify-content:space-between;align-items:center;display:flex}.link-quiet{color:var(--text);font-size:13.5px;text-decoration:none}.link-quiet:hover{color:var(--accent)}.policy-wrap{grid-template-columns:260px 1fr;align-items:start;gap:56px;padding:56px 0 96px;display:grid}.policy-toc{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-raised);padding:20px;position:sticky;top:96px}.policy-toc h4{text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;font-size:13px}.policy-toc ul{flex-direction:column;gap:9px;display:flex}.policy-toc a{color:var(--text);font-size:14px;text-decoration:none}.policy-toc a:hover{color:var(--accent)}.policy-updated{color:var(--text);margin-bottom:6px;font-size:14px}.policy h2{margin-top:44px;padding-top:12px;scroll-margin-top:96px;font-size:24px}.policy h2:first-of-type{margin-top:8px}.policy h3{margin-top:20px;font-size:17px}.policy p,.policy li{color:var(--text);font-size:16px}.policy ul{flex-direction:column;gap:8px;margin:0 0 14px;padding-left:4px;display:flex}.policy ul li{padding-left:22px;position:relative}.policy ul li:before{content:"";background:var(--accent);border-radius:999px;width:6px;height:6px;position:absolute;top:9px;left:4px}.policy-callout{border:1px solid var(--accent-border);background:var(--accent-bg);border-radius:var(--radius-sm);color:var(--text-h);margin:18px 0;padding:16px 18px;font-size:15px}.policy-callout strong{color:var(--accent)}@media (width<=900px){.policy-wrap{grid-template-columns:1fr}.policy-toc{position:static}}.reviews-hero{text-align:center;padding:64px 0 40px}.stars{color:var(--accent);letter-spacing:3px;margin-bottom:18px;font-size:22px}.review-skeleton-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.review-skeleton{border:1px dashed var(--border);border-radius:var(--radius);background:var(--bg-raised);padding:24px}.review-skeleton .sk-stars{gap:4px;margin-bottom:14px;display:flex}.review-skeleton .sk-dot{background:var(--border);border-radius:4px;width:14px;height:14px}.review-skeleton .sk-line{background:var(--border);border-radius:4px;height:10px;margin-bottom:8px}.review-skeleton .sk-line.short{width:60%}.review-skeleton .sk-who{align-items:center;gap:10px;margin-top:16px;display:flex}.review-skeleton .sk-avatar{background:var(--border);border-radius:999px;width:34px;height:34px}.review-skeleton .sk-who .sk-line{width:90px;margin:0}.notify-form{gap:10px;max-width:420px;margin:28px auto 0;display:flex}.notify-form input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:9px;flex:1;padding:12px 14px;font-size:15px}.notify-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}@media (width<=760px){.review-skeleton-grid{grid-template-columns:1fr}.notify-form{flex-direction:column}}#app{flex-direction:column;min-height:100svh;display:flex}main{flex:1}