:root{--navy:#0F2137;--blue:#275087;--blue-mid:#497BBE;--blue-light:#79ACF0;--green:#4CBA70;--green-light:#B3E7C4;--bg:#FFFFFF;--bg-soft:#F5F7FA;--fg:#333333;--fg-soft:#5B6673;--line:#E3E8EF;--heading:#275087;--link:#497BBE;--wordmark:#275087;--tip-bg:#EEF8F1;--tip-edge:#4CBA70;--warn-bg:#FFF6E9;--warn-edge:#E0A23A;--sop-bg:#EDF3FC;--code-bg:#F1F4F8;--font:"Montserrat",Arial,Helvetica,sans-serif;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0F2137;--bg-soft:#152C47;--fg:#E6ECF3;--fg-soft:#A8B6C7;--line:#2A4160;--heading:#B3E7C4;--link:#79ACF0;--wordmark:#FFFFFF;--tip-bg:#163A2A;--warn-bg:#3A2E14;--sop-bg:#1A3350;--code-bg:#1A2F4A;color-scheme:dark}}:root[data-theme=dark]{--bg:#0F2137;--bg-soft:#152C47;--fg:#E6ECF3;--fg-soft:#A8B6C7;--line:#2A4160;--heading:#B3E7C4;--link:#79ACF0;--wordmark:#FFFFFF;--tip-bg:#163A2A;--warn-bg:#3A2E14;--sop-bg:#1A3350;--code-bg:#1A2F4A;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:15.5px;line-height:1.65}a{color:var(--link)}button{font-family:inherit}iframe,img,svg{max-width:100%}.auth-banner{background:var(--warn-bg);border-bottom:1px solid var(--warn-edge);color:var(--fg);font-size:12.5px;font-weight:600;text-align:center;padding:6px 16px}.topbar{position:-webkit-sticky;position:sticky;top:env(safe-area-inset-top,0);z-index:10;background:var(--bg);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px;padding:10px 24px}.topbar .logo-link{display:inline-flex;line-height:0}.topbar .logo{height:34px;width:auto}.topbar .site{font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-soft);padding-left:16px;border-left:1px solid var(--line)}.topnav{display:flex;gap:18px;font-size:13px;font-weight:600}.topnav a{color:var(--fg-soft);text-decoration:none}.topnav a:hover{color:var(--link)}.topbar .user{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--fg-soft)}.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--blue-mid));color:#fff;font-weight:700;font-size:12px;display:grid;place-items:center;flex:none}.signout{background:none;border:1px solid var(--line);border-radius:4px;color:var(--fg-soft);font-size:12px;font-weight:600;padding:4px 9px;cursor:pointer}.signout:hover{border-color:var(--blue-mid);color:var(--link)}.frame{display:grid;grid-template-columns:260px minmax(0,1fr) 220px;grid-gap:40px;gap:40px;max-width:1360px;margin:0 auto;padding:0 24px}.nav{position:-webkit-sticky;position:sticky;top:64px;align-self:start;max-height:calc(100vh - 64px);overflow-y:auto;padding:28px 16px 40px 0;border-right:1px solid var(--line)}.track{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-soft);font-weight:700}.track-name{display:block;font-weight:800;color:var(--heading);font-size:15px;margin:4px 0 14px;line-height:1.3;text-decoration:none}.track-name:hover{text-decoration:underline}.wk-label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-soft);margin:14px 0 6px}.mod{display:flex;gap:10px;align-items:baseline;padding:7px 10px;border-radius:6px;color:var(--fg);text-decoration:none;font-size:13.5px;line-height:1.35}.mod .num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700;color:var(--fg-soft);font-size:12px;min-width:20px}.mod.done .num{color:var(--green)}.mod.done .num:after{content:" \2713"}.mod.cur{background:var(--bg-soft);font-weight:700}.mod.cur,.mod.cur .num{color:var(--heading)}.mod:hover{background:var(--bg-soft)}.read{min-width:0;padding:36px 0 80px;max-width:760px}.crumbs{font-size:12.5px}.crumbs,.crumbs a{color:var(--fg-soft)}.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--link)}.eyebrow{display:inline-block;margin-top:18px;font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);padding-bottom:4px;border-bottom:2px solid var(--green)}h1{font-size:2.2rem;line-height:1.15;font-weight:800;color:var(--heading);margin:14px 0 10px;text-wrap:balance}.sub{font-size:1.05rem;color:var(--fg-soft);margin:0 0 22px}.meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:1px;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:0 0 34px}.meta div{background:var(--bg-soft);padding:12px 14px;min-width:0}.meta b{display:block;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-soft);margin-bottom:4px;font-weight:700}.meta span{font-size:13.5px;font-weight:600;overflow-wrap:anywhere}.partner{display:flex;gap:14px;align-items:center;padding:14px 16px;border-radius:8px;background:linear-gradient(135deg,rgba(76,186,112,.12),rgba(73,123,190,.12));margin-bottom:28px}.partner .avatar{width:40px;height:40px;font-size:14px}.partner small{display:block;color:var(--fg-soft);font-size:12px}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin:0 0 6px}.step{display:block;padding:14px;border-radius:8px;border:1px solid var(--line);font-size:13px;color:var(--fg);text-decoration:none}.step b{display:block;color:var(--heading);margin-bottom:4px}.step.on{border-color:var(--green);background:var(--tip-bg)}a.step:hover{border-color:var(--blue-mid)}.also,.step.muted{color:var(--fg-soft)}.also{font-size:12.5px;margin:8px 0 0}.body{margin-top:10px}.read h2{font-size:1.5rem;font-weight:800;color:var(--heading);margin:48px 0 14px;padding-top:18px;border-top:1px solid var(--line);scroll-margin-top:80px;text-wrap:balance}.read h2.plain{border-top:0;padding-top:0;margin-top:10px}.read h3{font-size:1.1rem;font-weight:700;color:var(--heading);margin:30px 0 8px;scroll-margin-top:80px}.read h4{font-size:.98rem;font-weight:700;margin:22px 0 6px}.read p{margin:0 0 14px}.read ol,.read ul{padding-left:22px;margin:0 0 14px}.read li{margin-bottom:5px}.read li>p{margin-bottom:6px}.read hr{border:0;border-top:1px solid var(--line);margin:28px 0}.read hr:has(+h2){display:none}.read code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;padding:1px 5px;border-radius:4px;overflow-wrap:anywhere}.read code,.read pre{background:var(--code-bg)}.read pre{padding:14px 16px;border-radius:8px;overflow-x:auto;font-size:.86rem;line-height:1.5;margin:0 0 16px}.read pre code{background:none;padding:0}.read img{height:auto;border-radius:8px}.read input[type=checkbox]{margin-right:6px}.tbl{overflow-x:auto;margin:0 0 18px;border:1px solid var(--line);border-radius:8px}table{border-collapse:collapse;width:100%;font-size:13.5px}th{background:var(--blue);color:#fff;text-align:left;font-weight:700;font-size:12.5px}td,th{padding:9px 12px}td{border-top:1px solid var(--line);vertical-align:top}td p:last-child{margin-bottom:0}blockquote,tbody tr:nth-child(2n) td{background:var(--bg-soft)}blockquote{margin:18px 0;padding:14px 18px;border-left:4px solid var(--blue-mid);border-radius:0 8px 8px 0}blockquote p:last-child{margin:0}blockquote.tip{border-color:var(--tip-edge);background:var(--tip-bg)}blockquote.warn{border-color:var(--warn-edge)}.tag,blockquote.warn{background:var(--warn-bg)}.tag{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:4px;vertical-align:middle;border:1px solid var(--warn-edge);color:var(--fg);line-height:1.4}.sop{margin:12px 0 16px;padding:10px 14px;border-radius:8px;background:var(--sop-bg);font-size:13.5px;border:1px dashed var(--blue-mid)}.sop-label{display:block;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--link);margin-bottom:3px}.sop.sop-inline{display:inline;margin:0 2px;padding:1px 7px;border-radius:4px;font-size:.92em}.sop.sop-inline .sop-label{display:inline;margin:0 6px 0 0}.pager{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-top:40px}.pager a{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--fg)}.pager a:hover{border-color:var(--blue-mid)}.pager small{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-soft);margin-bottom:4px}.pager b{color:var(--heading)}.pager .next{text-align:right}.complete-row{margin-top:40px}.watch{margin:28px 0 8px;padding:18px 20px;border-radius:8px;border:1px solid var(--line);background:var(--bg-soft)}.watch h3{margin:0 0 8px;font-size:1rem}.watch h3:before{content:"\25B6";font-size:.8em;margin-right:8px;color:var(--green)}.watch ul{list-style:none;padding:0;margin:0 0 10px}.watch li{margin:0 0 6px}.watch li.video{margin:0 0 18px}.watch a.yt{font-weight:600;text-decoration:none}.watch a.yt:hover{text-decoration:underline}.watch .sop{margin-bottom:0}.watch .embed{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden}.watch .embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.watch .video-title{margin:8px 0 0;font-size:13.5px}.otp{position:-webkit-sticky;position:sticky;top:64px;align-self:start;padding:36px 0;font-size:12.5px;max-height:calc(100vh - 64px);overflow-y:auto}.otp .lbl{font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:11px;color:var(--fg-soft);margin-bottom:10px}.otp ul{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}.otp li a{display:block;padding:4px 12px;color:var(--fg-soft);text-decoration:none;margin-left:-2px;border-left:2px solid transparent;line-height:1.35}.otp li a.on,.otp li a:hover{color:var(--heading);border-left-color:var(--green)}.done-btn{margin-top:22px;display:block;width:100%;text-align:center;padding:10px;border:0;border-radius:4px;background:linear-gradient(135deg,var(--green),var(--blue-mid));color:#fff;font-weight:700;text-decoration:none;font-size:12.5px;cursor:pointer}.done-btn.is-done{background:var(--bg-soft);color:var(--heading);border:1px solid var(--green)}.done-btn.inline{display:inline-block;width:auto;margin-top:0;padding:10px 18px}.page{max-width:1100px;margin:0 auto;padding:36px 24px 80px}.hero{margin-bottom:36px}.hero h1{font-size:2.6rem}.section-title{font-size:1.3rem;font-weight:800;color:var(--heading);margin:36px 0 14px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.more{font-size:13px;font-weight:600;text-decoration:none}.cards{display:grid;grid-gap:14px;gap:14px}.cards.tracks{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.cards.modules{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.cards.modules.wide{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.card{display:block;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);text-decoration:none;transition:border-color .15s,transform .15s}.card:hover{border-color:var(--blue-mid);transform:translateY(-1px)}.card b{display:block;color:var(--heading);font-size:1.05rem;line-height:1.3;margin-bottom:6px}.card p{margin:0 0 10px;font-size:13.5px;color:var(--fg-soft)}.card-kicker{display:block;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--green);margin-bottom:8px}.card-foot{display:block;font-size:12px;color:var(--fg-soft)}.track-card{background:linear-gradient(135deg,rgba(76,186,112,.08),rgba(73,123,190,.08))}.module-card .num{display:inline-block;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:800;font-size:12px;color:var(--fg-soft);background:var(--bg-soft);border-radius:4px;padding:2px 7px;margin-bottom:10px}.card-meta{display:grid;grid-template-columns:auto 1fr;grid-gap:2px 10px;gap:2px 10px;margin:0;font-size:12.5px}.card-meta dt{color:var(--fg-soft);font-weight:600}.card-meta dd{margin:0}.track-list{list-style:none;padding:0;margin:0 0 30px}.track-list li{gap:12px;padding:8px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}.track-list li,.track-list li a{display:flex;align-items:baseline}.track-list li a{gap:10px;text-decoration:none;color:var(--fg);font-weight:600}.track-list li a:hover{color:var(--link)}.track-list .num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700;min-width:20px}.track-list .num,.track-list small{color:var(--fg-soft);font-size:12px}.track-list small{margin-left:auto}.signin{text-align:center;max-width:520px;padding-top:80px}.signin .logo.big{height:56px;width:auto}.signin-error{background:var(--warn-bg);border:1px solid var(--warn-edge);border-radius:8px;padding:10px 14px;font-size:13.5px}.footer{text-align:center;color:var(--fg-soft);font-size:12px;padding:24px 16px 40px;border-top:1px solid var(--line)}@media (max-width:1080px){.frame{grid-template-columns:240px minmax(0,1fr)}.otp{display:none}}@media (max-width:760px){.frame{grid-template-columns:1fr;gap:0;padding:0 16px}.nav{position:static;max-height:none;border-right:0;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:16px}.topbar{padding:10px 16px;gap:12px}.topbar .site,.topbar .user-name{display:none}.steps{grid-template-columns:1fr}h1{font-size:1.7rem}.hero h1{font-size:2rem}.page{padding:24px 16px 60px}.pager{grid-template-columns:1fr}.pager .next{text-align:left}}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}.body h1{font-size:1.7rem;margin:56px 0 14px;padding-top:22px;border-top:2px solid var(--line);scroll-margin-top:80px}.magic-form{margin-top:2rem;display:grid;grid-gap:.8rem;gap:.8rem;max-width:26rem}.magic-form input{font:inherit;padding:.8rem;border:1px solid #a8b5c7;border-radius:.5rem;background:transparent;color:inherit}.magic-form button:disabled{opacity:.65;cursor:wait}