.learn{--a:#2563eb;--k:#0a0a0a;--g:#5c5c5c;--l:#e8e8e8;--pad:clamp(24px, 4vw, 48px);--w:1280px;min-height:100vh;color:var(--k);font:18px/1.55 var(--font-sans), system-ui, sans-serif;-webkit-font-smoothing:antialiased;background:#fafafa}.learn *,.learn :before,.learn :after{box-sizing:border-box}.learn a{color:inherit;text-decoration:none}.learn nav{padding:24px var(--pad);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:9;background:#ffffffe0;justify-content:space-between;align-items:center;gap:24px;display:flex;position:sticky;top:0}.learn .logo{letter-spacing:-.01em;align-items:center;gap:12px;font-size:16px;font-weight:600;display:flex}.learn .mark{background:var(--k);border-radius:8px;flex-direction:column;justify-content:center;gap:3px;width:30px;height:30px;padding:0 7px;display:flex}.learn .mark i{background:#fff;border-radius:2px;height:3px;display:block}.learn .mark i:first-child{width:100%}.learn .mark i:nth-child(2){width:72%}.learn .mark i:nth-child(3){background:var(--a);width:44%}.learn nav .l{flex-wrap:wrap;justify-content:flex-end;display:flex}.learn nav .l a{color:var(--g);margin-left:28px;font-size:15px;transition:color .3s}.learn nav .l a:hover,.learn nav .l a.on{color:var(--k)}.learn main{max-width:var(--w);padding:0 var(--pad);margin:0 auto}.learn .hero{background:radial-gradient(60% 50% at 30% 20%,#fff 0%,#fff0 70%);padding:clamp(64px,12vh,120px) 0 clamp(48px,10vh,96px);overflow:visible}.learn .eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--a);font-size:13px;font-weight:500}.learn h1,.learn h2,.learn h3{color:var(--k);font-weight:600}.learn h1{letter-spacing:-.04em;margin:16px 0 24px;font-size:clamp(40px,4.8vw,72px);line-height:1.05}.learn h2{letter-spacing:-.03em;margin:0;font-size:clamp(28px,3.2vw,44px);line-height:1.15}.learn h3{letter-spacing:-.02em;margin:0;font-size:22px;line-height:1.25}.learn .lead,.learn .hero p.lead,.learn p.lead{color:var(--g);max-width:560px;margin:0;font-size:20px;line-height:1.5}.learn .btn{background:var(--k);color:#fff;font:500 16px var(--font-sans), system-ui, sans-serif;cursor:pointer;border:0;border-radius:999px;justify-content:center;align-items:center;height:auto;min-height:48px;margin-top:40px;padding:14px 28px;transition:transform .4s,background .4s,color .4s;display:inline-flex}.learn .btn:hover{background:var(--a);color:#fff;transform:translateY(-1px)}.learn .ghost{color:var(--k);background:0 0;margin-left:8px}.learn .ghost:hover{color:var(--a);background:0 0}.learn section{border-top:1px solid var(--l);padding:96px 0}.learn .n{font:13px/1.4 var(--font-jetbrains), ui-monospace, Menlo, monospace;color:var(--g)}.learn .ph{color:#7a6400;text-transform:none;letter-spacing:0;background:#fff7d6;border:1px dashed #d9b400;border-radius:6px;padding:2px 8px;font-size:13px;font-weight:500}.learn .note{color:var(--g);font-size:14px}.learn .paths{background:var(--l);border:1px solid var(--l);border-radius:20px;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:48px;display:grid;overflow:hidden;box-shadow:0 1px 2px #0000000a,0 24px 48px -32px #0000002e}.learn .paths a{background:#fff;flex-direction:column;min-height:100%;padding:36px 28px;transition:background .4s;display:flex}.learn .paths a:hover{background:#fafbff}.learn .paths .kicker{align-items:center;min-height:28px;margin-bottom:16px;display:flex}.learn .tag,.learn .paths .tag{white-space:nowrap;font:600 11px/1 var(--font-sans), system-ui, sans-serif;letter-spacing:.02em;color:#fff;background:#2563eb;border-radius:999px;align-items:center;padding:6px 10px;display:inline-flex}.learn .kicker{align-items:center;min-height:28px;display:flex}.learn .paths .kicker .n{min-height:28px;color:var(--g);align-items:center;font-size:13px;display:inline-flex}.learn .paths b{letter-spacing:-.02em;color:var(--k);margin:0 0 8px;font-size:26px;font-weight:600;display:block}.learn .paths .desc{color:var(--g);font-size:16px;line-height:1.45}.learn .mod{border-bottom:1px solid var(--l);cursor:pointer;background:0 0;border-top:0;grid-template-columns:80px 1fr auto;align-items:baseline;gap:24px;padding:32px 0;display:grid}.learn .mod h3{font-size:24px}.learn .mod p{color:var(--g);margin:6px 0 0;font-size:16px}.learn .mod ul{grid-column:2;max-height:0;margin:0;padding:0;list-style:none;transition:max-height .6s cubic-bezier(.2,.7,.2,1);overflow:hidden}.learn .mod.open ul{max-height:640px}.learn .mod li{border-top:1px solid #f2f2f2;padding:12px 0;font-size:17px}.learn .mod li a:hover{color:var(--a)}.learn .dot{background:0 0;border:1.5px solid #bbb;border-radius:50%;flex:none;width:10px;height:10px;display:inline-block}.learn .dot.done{background:var(--a);border-color:var(--a)}.learn .dot.prog{border-color:var(--a);background:linear-gradient(90deg, var(--a) 50%, transparent 50%)}.learn .tools{flex-wrap:wrap;align-items:center;gap:24px;margin-top:32px;display:flex}.learn .tools input,.learn .tools input:focus{width:280px;max-width:100%;color:var(--k);background:#fff;border:0;border-radius:999px;outline:none;margin:0;padding:12px 20px;font:16px inherit;box-shadow:0 1px 2px #0000000f,0 8px 24px -16px #0003}.learn .pi{width:36px;height:36px;margin-top:10px;display:block}.learn .lesson{max-width:var(--w);padding:40px var(--pad) 24px;grid-template-columns:240px minmax(0,1fr);gap:64px;margin:0 auto;display:grid}.learn aside{background:#fff;border-radius:16px;align-self:start;padding:24px;font-size:15px;position:sticky;top:110px;box-shadow:0 1px 2px #0000000a,0 16px 32px -24px #00000026}.learn aside .bar{background:var(--l);border:0;gap:0;height:2px;margin:14px 0 28px;padding:0}.learn aside .bar i{background:var(--a);width:30%;height:2px;transition:width .8s;display:block}.learn aside a{color:var(--g);align-items:center;gap:12px;padding:8px 0;display:flex}.learn aside a.on{color:var(--k);font-weight:600}.learn article h1{margin-top:12px;font-size:clamp(36px,4vw,56px)}.learn article p{max-width:640px;margin:16px 0;font-size:18px}.learn .panel{border:1px solid var(--l);background:#fff;border-radius:20px;margin:24px 0 0;overflow:hidden;box-shadow:0 30px 60px -40px #00000040}.learn .panel header{border-bottom:1px solid var(--l);color:var(--g);justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;font-size:13px;display:flex}.learn .panel textarea,.learn .panel textarea:focus{resize:vertical;width:100%;min-height:140px;color:var(--k);box-shadow:none;background:#fff;border:0;border-radius:0;outline:none;margin:0;padding:24px;font:18px/1.55 inherit}.learn .panel footer{border-top:1px solid var(--l);border-bottom:0;justify-content:space-between;align-items:center;padding:14px 24px;display:flex}.learn .panel button{background:var(--a);color:#fff;cursor:pointer;border:0;border-radius:999px;height:auto;padding:10px 22px;font-size:15px}.learn .out{max-height:0;color:var(--g);padding:0 24px;transition:all .7s;overflow:hidden}.learn .out.show{border-top:1px solid var(--l);max-height:480px;padding:24px}.learn .pre{white-space:pre-wrap;font:16px/1.5 var(--font-jetbrains), ui-monospace, Menlo, monospace;border:1px solid var(--l);color:var(--k);background:#fff;border-radius:16px;margin:16px 0 0;padding:20px 24px}.learn .next{border-top:1px solid var(--l);justify-content:space-between;gap:24px;margin-top:64px;padding:48px 0;display:flex}.learn .step{margin:48px 0}.learn .step .n{color:var(--a)}.learn .step p{margin-top:8px}.learn .ill{width:100%;height:auto;display:block}.learn .ill.wide{margin-top:48px}.learn .herogrid{grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);align-items:center;gap:clamp(24px,4vw,56px);display:grid}.learn .hero .copy{min-width:0}.learn .hero .visual{min-width:0;overflow:visible}.learn .hero .ill{width:100%;max-width:none;transform:none}.learn .chart{width:100%;display:block}.learn section.dark,.learn main section.dark{color:#fff;clip-path:inset(0 -100vmax);background:#0a0a0a;border:0;box-shadow:0 0 0 100vmax #0a0a0a}.learn main section.dark .lead,.learn section.dark .lead{color:#b3b3b3}.learn .paid{clip-path:inset(0 -100vmax);background:#f0f0f0;border:0;grid-template-columns:1fr 1fr;align-items:center;gap:48px;display:grid;box-shadow:0 0 0 100vmax #f0f0f0}.learn .demo{gap:24px;padding-bottom:96px;display:grid}.learn .sw{flex-wrap:wrap;gap:28px;font-size:18px;display:flex}.learn label{font:inherit;text-transform:none;letter-spacing:0;color:inherit;cursor:pointer;align-items:center;gap:8px;margin:0;display:inline-flex}.learn input[type=checkbox]{accent-color:var(--a);width:18px;height:18px;box-shadow:none;border:0;margin:0;padding:0}.learn .pt{min-height:90px;padding:24px;font-size:18px;transition:opacity .4s}.learn .meter{background:var(--l);border-radius:4px;width:200px;height:4px;overflow:hidden}.learn .meter i{background:var(--a);height:4px;transition:width .6s;display:block}.learn .meta{grid-template-columns:1fr 1fr;gap:32px 48px;max-width:800px;margin-top:48px;display:grid}.learn .meta h3{letter-spacing:.12em;text-transform:uppercase;color:var(--a);margin-bottom:12px;font-size:13px;font-weight:500}.learn .meta ul,.learn .steps{margin:0;padding:0;list-style:none}.learn .meta li,.learn .steps li{color:var(--g);padding:8px 0;font-size:17px}.learn .pathblock{border-top:1px solid var(--l);padding:96px 0}.learn .pathblock:first-child{border-top:0;padding-top:0}.learn .steps{margin-top:32px}.learn .steps li{border-top:1px solid #f2f2f2;grid-template-columns:56px minmax(0,1fr);align-items:baseline;gap:16px;padding:16px 0;display:grid}.learn .steps a:hover{color:var(--a)}.learn .steps ul{margin:0;padding:8px 0 0;list-style:none}.learn .steps ul li{border:0;padding:4px 0;font-size:16px;display:block}.learn .phase-list a{border-top:1px solid var(--l);padding:20px 0;display:block}.learn .phase-list a:hover b{color:var(--a)}.learn .phase-list b{letter-spacing:-.02em;font-size:22px;display:block}.learn .phase-list span{color:var(--g);font-size:16px}.learn footer.site{padding:64px var(--pad) 40px;color:var(--g);border-top:1px solid var(--l);background:#fafafa;margin-top:24px;font-size:14px}.learn .ft{max-width:var(--w);grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px 48px;margin:0 auto;display:grid}.learn .ft h4{font:600 12px/1.2 var(--font-jetbrains), ui-monospace, Menlo, monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--k);margin:0 0 16px}.learn .ft ul{margin:0;padding:0;list-style:none}.learn .ft li{margin:8px 0}.learn .ft a:hover{color:var(--k)}.learn .ft .blurb{max-width:260px;margin:12px 0 0;line-height:1.45}.learn .legal{max-width:var(--w);border-top:1px solid var(--l);margin:40px auto 0;padding-top:20px;font-size:13px}.learn .fade{opacity:0;transition:opacity 1s,transform 1s;transform:translateY(16px)}.learn .fade.in{opacity:1;transform:none}@media (max-width:1180px){.learn .paths,.learn .ft{grid-template-columns:1fr 1fr}}@media (max-width:900px){.learn .herogrid,.learn .paid,.learn .meta,.learn .lesson{grid-template-columns:1fr}.learn aside{position:static}.learn .mod{grid-template-columns:56px 1fr}.learn .mod>.n:last-of-type{grid-column:2}}@media (max-width:700px){.learn .paths{grid-template-columns:1fr}.learn nav .l a{margin-left:16px}.learn .ft{grid-template-columns:1fr;gap:32px}.learn .ghost{margin-top:12px;margin-left:0}.learn h1{font-size:clamp(36px,11vw,48px)}}@media (prefers-reduced-motion:reduce){.learn .fade{opacity:1;transform:none}}
