@charset "UTF-8";
:root{--paper:#f5f7f8;--surface:#fff;--ink:#17313d;--muted:#58707b;--line:#d8e1e5;--study:#24594c;--study-soft:#e9f1ee;--accent:#f38b3c;--blue:#e7eff4;--mono:"Cascadia Code","Consolas",monospace;--body:"Segoe UI",Arial,sans-serif;--display:"Bahnschrift","Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--study)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}:focus-visible{outline:3px solid var(--study);outline-offset:5px}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--display);line-height:1.12;font-weight:600;letter-spacing:-.035em}h1{font-size:clamp(2.5rem,5.6vw,5.1rem);margin-bottom:28px}h2{font-size:clamp(1.8rem,3vw,2.6rem);margin-bottom:22px}h3{font-size:1.3rem}p{margin-bottom:18px}.header,.hero,.section,.page-head,.footer,.course-teaser,.auth-shell,.messages{max-width:1240px;margin-inline:auto;padding-inline:44px}.header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-block:27px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:0;text-decoration:none;font-family:var(--display);font-size:30px;font-weight:600;letter-spacing:-2px}.brand-icon{background:var(--ink);color:var(--surface);display:inline-flex;align-items:center;justify-content:center;width:45px;height:43px;margin-right:1px;border-radius:9px;letter-spacing:-3px}.brand-caption{font-family:var(--body);font-weight:400;letter-spacing:0;font-size:11px;line-height:1.3;max-width:85px;margin-left:15px;color:var(--muted)}nav{display:flex;align-items:center;gap:30px}nav a{text-decoration:none;font-size:14px}.nav-account{border:1px solid var(--line);border-radius:8px;padding:10px 16px;background:var(--surface)}.nav-account span{margin-left:20px}.notice{font-size:12px;padding:10px 16px;text-align:center;background:var(--blue);color:var(--muted)}.hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:76px;padding-block:76px 90px}.eyebrow{text-transform:uppercase;font-family:var(--mono);letter-spacing:.1em;font-size:11px;color:var(--muted);margin-bottom:22px}.hero h1 span{color:var(--study)}.lede{font-size:19px;line-height:1.65;max-width:650px;color:var(--muted)}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-block:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--study);color:white;border:1px solid transparent;border-radius:7px;padding:14px 21px;text-decoration:none;font-size:14px;font-weight:600;line-height:1.4}.button:hover{background:var(--ink);color:white}.text-link{font-size:14px;font-weight:600}.micro,.muted{font-size:13px;color:var(--muted)}.channel{border:1px solid var(--line);background:var(--surface);border-radius:18px;padding:25px;box-shadow:0 18px 50px #17313d0c;position:relative}.channel-title{font-family:var(--mono);font-size:10px;letter-spacing:.09em;display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:24px}.channel-title>span:last-child{margin-left:auto;color:var(--muted)}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--study)}.node-label{font-family:var(--mono);color:var(--muted);font-size:9px;letter-spacing:.1em}.channel h2{font-size:20px;letter-spacing:-.02em;margin-block:8px 16px}.channel-source{border-radius:9px;padding:17px;background:var(--paper)}.file-row{display:flex;gap:12px;font-size:12px;align-items:center;padding-block:8px;border-top:1px solid var(--line)}.file-row code{font-size:11px}.file-row>span:last-child{margin-left:auto;color:var(--muted)}.connector{display:flex;align-items:center;gap:12px;justify-content:center;padding:13px;font-family:var(--mono);font-size:9px;color:var(--muted)}.connector b{font-size:20px;font-weight:400;color:var(--study)}.channel-mirror{border:1px solid #c8dcd3;background:var(--study-soft);border-left:2px solid var(--accent);border-radius:9px;padding:14px 17px}.channel-mirror p{font-size:11px;margin-bottom:0}.channel-mirror h2{margin-bottom:8px}.workstations{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.workstations span{font-size:10px;border:1px solid var(--line);border-radius:6px;text-align:center;padding:12px 5px}.channel-note{font-size:10px;color:var(--muted);text-align:center;margin:15px 0 0}.section{padding-block:64px;border-top:1px solid var(--line)}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.body-large{font-size:21px;line-height:1.5}.section-heading{max-width:740px;margin-bottom:35px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:45px}.features article{padding-right:20px}.features p{color:var(--muted);font-size:15px}.feature-symbol{font-family:var(--mono);font-size:24px;color:var(--study);display:block;margin-bottom:20px}.course-teaser{background:var(--ink);color:var(--surface);border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:50px;padding-block:45px}.course-teaser p{max-width:650px;color:#b9cdd7}.course-teaser .eyebrow{color:#b9cdd7}.button-light{background:var(--surface);color:var(--ink);flex-shrink:0}.empty{border:1px dashed var(--line);padding:30px;border-radius:9px;color:var(--muted);background:var(--surface)}.empty p:last-child{margin:8px 0 0}.empty strong{color:var(--ink)}.footer{padding-block:48px 24px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.6fr 1fr;gap:30px;font-size:14px}.footer-brand{text-decoration:none;font-family:var(--display);font-size:28px}.footer-links{display:flex;flex-direction:column;gap:12px;align-items:flex-start}.footer small{grid-column:1/-1;color:var(--muted);font-family:var(--mono);font-size:10px}.text-button{background:none;border:0;padding:0;color:var(--muted);text-decoration:underline;font-size:13px}.page-head{padding-block:65px 50px}.page-head h1{max-width:880px}.page-head.compact h1{font-size:3rem}.prose{max-width:900px}.prose h2{font-size:1.7rem;margin-top:40px}.prose h2:first-child{margin-top:0}.prose li{padding-bottom:14px}.episode{display:grid;grid-template-columns:60px 1fr;gap:28px;padding-block:32px;border-bottom:1px solid var(--line)}.episode h2{font-size:1.6rem;letter-spacing:-.02em}.episode p{max-width:730px;color:var(--muted)}.episode .eyebrow{margin-bottom:10px}.episode-number{font-family:var(--mono);font-size:20px;color:var(--muted);padding-top:20px}.release-row{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:30px 0;border-bottom:1px solid var(--line)}.release-row>div{min-width:0}.release-row .button{flex-shrink:0}.list-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none}.list-row p{margin:5px 0 0;font-size:13px;color:var(--muted)}.badge{display:inline-block;background:var(--study-soft);color:var(--study);border-radius:6px;padding:5px 10px;font-size:12px}.hash{display:block;overflow-wrap:anywhere;font-size:12px}.auth-shell{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-block:70px}.auth-aside{padding:34px;background:var(--study-soft);border-radius:12px}.auth-aside h2{font-size:3rem}.auth-aside p{color:var(--muted)}.auth-form{max-width:470px}.auth-form h1{font-size:2rem}.auth-form h2{font-size:1.5rem}.auth-form label,.form-panel label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}input:not([type=checkbox]):not([type=radio]):not([type=hidden]),textarea,select{width:100%;padding:12px 14px;border:1px solid #a9bac2;border-radius:6px;background:var(--surface);color:var(--ink)}input[type=checkbox]{accent-color:var(--study);width:18px;height:18px;vertical-align:middle}form p{margin-bottom:20px}form button:not(.text-button){background:var(--study);border:0;border-radius:6px;color:white;padding:12px 22px}form .helptext{display:block;font-size:12px;color:var(--muted);margin-top:6px}.errorlist{color:#8e2f2f;font-size:14px;padding-left:20px}.form-panel{max-width:680px}.messages{padding-block:15px}.messages p{padding:15px;background:var(--study-soft);border-radius:6px}.skip{position:absolute;left:16px;top:-80px;background:var(--surface);padding:12px;z-index:5}.skip:focus{top:12px}main>h1,main>form,main>p{max-width:680px;margin:30px auto;padding-inline:16px}.btn{display:inline-block;padding:10px 15px;border-radius:6px;border:1px solid var(--line)}.btn-primary{background:var(--study);color:white}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:900px){.header,.hero,.section,.page-head,.footer,.course-teaser,.auth-shell,.messages{padding-inline:26px}.hero{gap:32px;padding-block:50px}.hero h1{font-size:3.4rem}.intro-grid{gap:35px}.features{gap:25px}.course-teaser{border-radius:0}.auth-shell{gap:35px}.auth-aside h2{font-size:2.4rem}.brand-caption{display:none}nav{gap:20px}}
@media(max-width:640px){.header,.hero,.section,.page-head,.footer,.course-teaser,.auth-shell,.messages{padding-inline:16px}.header{padding-block:18px;gap:10px;align-items:flex-start}.brand{font-size:25px}.brand-icon{width:37px;height:36px}nav{gap:12px;flex-wrap:wrap;justify-content:flex-end;max-width:250px}nav a{font-size:12px}.nav-account{padding:6px 10px}.nav-account span{margin-left:8px}.hero,.intro-grid,.features,.auth-shell{grid-template-columns:1fr}.hero{padding-block:40px;gap:32px}.hero h1{font-size:3.25rem;letter-spacing:-.05em}.lede{font-size:17px}.channel{padding:20px;border-radius:13px}.section{padding-block:40px}.intro-grid{gap:10px}.features{gap:18px}.features article{border-bottom:1px solid var(--line);padding-bottom:10px}.feature-symbol{margin-bottom:10px}.course-teaser{display:block;padding-block:30px}.course-teaser h2{font-size:1.8rem}.course-teaser .button{margin-top:15px}.footer{grid-template-columns:1fr;padding-block:30px}.page-head{padding-block:35px}.page-head h1{font-size:2.7rem}.episode{grid-template-columns:35px 1fr;gap:13px;padding-block:24px}.episode h2{font-size:1.35rem}.release-row,.list-row{align-items:flex-start;flex-direction:column;gap:12px}.empty{padding:22px}.auth-shell{padding-block:35px;gap:25px}.auth-aside{padding:24px}.auth-aside h2{font-size:2rem}.auth-form{max-width:none}.button{width:auto}.page-head.compact h1{font-size:2.5rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}