:root{--ink:#142326;--blue:#2348ed;--lime:#d9fa66;--paper:#f7f9fa;--line:#d7dfe2;--muted:#536267}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 'DM Sans',system-ui,sans-serif}h1,h2,h3,.brand{font-family:'Space Grotesk',system-ui,sans-serif;line-height:1.08;letter-spacing:-.035em}h1{font-size:clamp(2.7rem,6.2vw,5.6rem);margin:20px 0 28px;font-weight:500}h2{font-size:clamp(2rem,4vw,3.3rem);margin:12px 0 25px;font-weight:500}h3{font-size:1.45rem;margin:14px 0}p{margin:0 0 20px}a{color:inherit;text-underline-offset:5px}button,input,select{font:inherit}button,a.button{cursor:pointer}.skip{position:absolute;left:0;top:-80px;background:var(--lime);padding:12px;z-index:20}.skip:focus{top:0}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}header{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 5%;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:1.3rem;font-weight:600;white-space:nowrap}.brandmark{background:var(--ink);color:var(--lime);padding:10px 9px;border-radius:10px}.beta{font:11px 'DM Sans',sans-serif;letter-spacing:.1em;border:1px solid var(--line);padding:4px}nav{display:flex;gap:22px;flex-wrap:wrap}nav a{text-decoration:none;font-size:14px}nav a[aria-current=page]{color:var(--blue);text-decoration:underline}.button,button{display:inline-flex;justify-content:center;align-items:center;gap:10px;padding:14px 22px;background:var(--blue);color:white;border:1px solid var(--blue);border-radius:6px;text-decoration:none;font-weight:600}.button.secondary,button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.small{padding:10px 15px;font-size:14px}main{max-width:1320px;margin:auto;padding:0 4%}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:7%;padding:74px 0 56px;align-items:center}.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:.13em;font-weight:700;color:var(--muted)}.hero p{max-width:520px;font-size:19px;color:var(--muted)}.hero h1 em{font-style:normal;color:var(--blue)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}.fine{font-size:13px!important;color:var(--muted)}.system{background:var(--ink);color:#fff;border-radius:16px;padding:28px;box-shadow:18px 18px 0 #e6ecee}.system .eyebrow{color:#b8c9cc}.system-head{display:flex;justify-content:space-between;border-bottom:1px solid #455458;padding-bottom:18px;font-size:14px}.flowstep{padding:17px;border:1px solid #536669;border-radius:6px;margin-top:14px;display:flex;gap:14px;align-items:center}.flowstep b{background:#33484c;padding:5px 10px;color:var(--lime)}.flowstep.highlight{background:var(--lime);color:var(--ink);border:0}.flowstep.highlight b{background:transparent;color:var(--ink)}.flowline{font-size:13px;color:#afc3c7;text-align:center;margin:6px 0 -8px}.split{display:grid;grid-template-columns:1fr 1fr;gap:40px}.section{padding:55px 0;border-top:1px solid var(--line)}.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}.sectionhead h2{max-width:680px;margin-bottom:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:10px;padding:28px;display:flex;flex-direction:column}.card p{color:var(--muted)}.card a{margin-top:auto;font-weight:600}.num{font:14px 'Space Grotesk',sans-serif;color:var(--blue)}.tag{display:inline-block;font-size:12px;text-transform:uppercase;letter-spacing:.07em;padding:4px 9px;background:#e8edf9;color:#243d94;border-radius:4px;align-self:flex-start;margin-bottom:10px}.tag.ready{background:#e7f4be;color:#34480d}.banner{background:var(--blue);color:white;padding:40px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:30px}.banner h2{margin:0}.banner .button{background:var(--lime);color:var(--ink);border:0}.pagehead{padding:60px 0 30px;max-width:860px}.pagehead h1{font-size:clamp(2.8rem,5vw,4.4rem)}.pagehead p{font-size:19px;color:var(--muted)}.lessonlist{list-style:none;padding:0;counter-reset:lesson}.lessonlist li{display:grid;grid-template-columns:60px 1fr auto;gap:20px;padding:22px 0;border-top:1px solid var(--line);align-items:center}.lessonlist li:before{counter-increment:lesson;content:counter(lesson,decimal-leading-zero);font:20px 'Space Grotesk';color:var(--blue)}.lessonlist h3{margin:0 0 7px}.lessonlist p{margin:0;color:var(--muted)}.article{max-width:800px;margin:auto;padding:40px 0 70px}.article h2{font-size:2rem;margin-top:40px}.article h1{font-size:3.4rem}.callout{background:#eaf0ff;border-left:4px solid var(--blue);padding:22px;margin:24px 0}.exercise{padding:28px;border:1px solid var(--line);background:white;border-radius:10px}.exercise label{display:block;margin:12px 0;padding:10px;border:1px solid var(--line);border-radius:5px}.exercise input{margin-right:10px}.feedback{margin-top:18px;font-weight:600}.code{display:block;white-space:pre-wrap;background:var(--ink);color:#d9f4ec;padding:24px;border-radius:8px;font-size:14px;overflow:auto}.lab{display:grid;grid-template-columns:310px 1fr;gap:24px;margin-bottom:60px}.controls{background:#fff;padding:24px;border:1px solid var(--line);border-radius:10px}.controls label{display:block;font-weight:600;margin:18px 0 6px}.controls select{width:100%;padding:10px;border:1px solid var(--line);border-radius:4px;background:white}.controls button{width:100%;margin-top:24px}.trace{background:var(--ink);color:white;padding:28px;border-radius:10px;min-height:350px}.trace h3{margin-top:0}.trace ol{padding-left:24px}.trace li{padding:12px 0;border-bottom:1px solid #465659}.trace small{display:block;color:#c2d0d2}.telemetry{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}.telemetry span{background:#ecf0f2;padding:8px 13px;font-size:14px;border-radius:5px}.result{background:white;border:1px solid var(--line);padding:25px;border-radius:8px;margin-top:18px}.price{font:3.5rem 'Space Grotesk';margin:15px 0}.card.featured{border:2px solid var(--blue)}ul{padding-left:21px}details{padding:22px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600}.note{background:#eef1f3;padding:16px 20px;border-radius:6px;color:var(--muted);font-size:14px}footer{border-top:1px solid var(--line);max-width:1320px;margin:55px auto 0;padding:36px 4%;display:flex;justify-content:space-between;gap:30px}footer p{font-size:13px;color:var(--muted)}.patternflow{font-family:monospace;background:#edf1f4;padding:14px;border-radius:6px;margin:14px 0;overflow-wrap:anywhere}.challengebox{border:1px dashed var(--blue);padding:20px;margin-top:20px}.hidden{display:none}@media(max-width:1000px){header{flex-wrap:wrap}header>.button{display:none}.hero{gap:35px}.grid{gap:12px}.card{padding:20px}}@media(max-width:700px){header{padding:18px 5%}nav{gap:18px}.hero,.split,.grid,.lab{grid-template-columns:1fr}.hero{padding:40px 0}.hero h1{font-size:3.2rem}.system{box-shadow:none}.section{padding:35px 0}.sectionhead,.banner,footer{align-items:start;flex-direction:column}.lessonlist li{grid-template-columns:32px 1fr}.lessonlist .tag{grid-column:2}.pagehead{padding-top:35px}.article h1{font-size:2.7rem}.banner{padding:28px}.lab{gap:16px}footer{gap:15px}.beta{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.article table{display:block;overflow-x:auto;border-collapse:collapse;width:100%;margin:24px 0;font-size:1rem}.article th,.article td{text-align:left;vertical-align:top;padding:14px;border-bottom:1px solid #cbd0d8;min-width:160px}.article th{background:#e9edf5}.article h1{overflow-wrap:break-word}

.account-form{max-width:650px;display:grid;gap:18px;background:white;border:1px solid var(--line);padding:28px;border-radius:12px}.account-form label,#reply-form label{display:grid;gap:8px;font-weight:600}input:not([type=checkbox]):not([type=radio]),textarea,select{max-width:100%;width:100%;padding:12px;border:1px solid #a8b5bb;border-radius:6px;background:white;color:var(--ink);font:inherit}textarea{resize:vertical}.checkrow{display:flex!important;align-items:baseline;font-weight:400!important}.checkrow input{width:auto}button:disabled{opacity:.55;cursor:wait}.request-row{display:grid;width:100%;text-align:left;margin:12px 0;justify-content:start}.request-row span{font-size:14px}.message{border-left:3px solid var(--blue);padding:14px;margin:16px 0;background:white}.message-body{white-space:pre-wrap;overflow-wrap:anywhere}.setupsteps li{padding:12px 0}.routing{padding:24px;background:#edf1f4;border-radius:12px}.route-start{text-align:center;margin:12px auto;padding:12px;background:var(--ink);color:white;max-width:300px}.route-branches{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.route-branches div{border-top:3px solid var(--blue);background:white;padding:16px;text-align:center}#account-app{padding-bottom:50px}.fine,.eyebrow,.tag,.beta{font-size:14px!important}@media(max-width:700px){.route-branches{grid-template-columns:1fr}.account-form{padding:20px}.hero h1{font-size:clamp(2.3rem,9vw,3.2rem)}nav{gap:14px}nav a{font-size:14px}header>.button{display:inline-flex}.article h1{font-size:clamp(2rem,8vw,3rem)}}