@import url("/static/css/fonts.ed3c33ff2e3f.css");
:root{color-scheme:dark;--bg:#0e1210;--sidebar:#111612;--panel:#151b17;--panel2:#19201a;--line:#283029;--text:#eef1e9;--muted:#929b91;--green:#b7ed79;--green-dark:#23331d;--blue:#89b9ee;--purple:#b3a0e6;--amber:#dfc280;--rose:#e2a2a3;--radius:12px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--green);outline-offset:4px}button{color:inherit}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{font-weight:620;line-height:1.25;letter-spacing:-.035em}h1{font-size:32px;margin-bottom:10px}h2{font-size:22px;margin-bottom:12px}h3{font-size:17px;margin-bottom:10px}h4{font-size:14px}p{color:var(--muted);margin-bottom:16px}small,.small{font-size:12px}.muted{color:var(--muted)}.green-text,.success-text{color:var(--green)}.mono,code,pre,kbd{font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace}.icon{width:19px;height:19px;display:inline-block;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:15px;z-index:1000;background:var(--green);color:#14200d;padding:10px 20px}.skip-link:focus{top:12px}.heading-period{color:var(--green)}
.sidebar{position:fixed;top:0;left:0;width:236px;height:100dvh;background:var(--sidebar);border-right:1px solid var(--line);padding:30px 18px 20px;display:flex;flex-direction:column;z-index:30;overflow-y:auto}.brand{display:flex;align-items:center;gap:10px;padding:0 10px 33px;font-size:25px;font-weight:750;letter-spacing:.055em;line-height:1.1}.brand-symbol{width:39px;height:44px;color:var(--green);display:grid;place-items:center}.brand-symbol .icon{width:36px;height:40px;stroke-width:1.7}.brand-sub{display:block;font-size:10px;letter-spacing:.12em;font-weight:400;color:var(--muted);margin-top:5px}.brand-dot{margin-left:auto;background:var(--green);height:6px;width:6px;border-radius:50%}.nav-label{color:#69776a;font-size:9px;font-weight:650;letter-spacing:.15em;margin:8px 13px 12px}.nav-label.second{margin-top:30px}.nav-list{display:flex;flex-direction:column;gap:5px}.nav-list a{padding:11px 12px;display:flex;align-items:center;gap:11px;font-size:12px;color:#a1aaa0;border:1px solid transparent;border-radius:7px;transition:.15s}.nav-list a>.icon{width:17px;height:17px;color:#7b897b}.nav-list a:hover{background:#1b231c;color:var(--text)}.nav-list a.active{background:#24311f;color:#c8ef9f;border-color:#36472c}.nav-list a.active .icon{color:var(--green)}.nav-count{margin-left:auto;font-size:10px;padding:0 5px;background:#283526;color:#a4b99a;border-radius:4px}.tiny-dot{margin-left:auto;width:5px;height:5px;background:var(--green);border-radius:100%}.sidebar-bottom{margin-top:auto;padding-top:50px}.sidebar-callout{padding:17px 13px;background:linear-gradient(130deg,#202b1c,#171e17);border:1px solid #31402b;border-radius:9px}.sidebar-callout .eyebrow{font-size:8px;color:#8aab73}.sidebar-callout strong{display:block;font-size:13px;line-height:1.6;margin:9px 0 14px;font-weight:550}.sidebar-callout a{font-size:11px;color:var(--green);display:flex;align-items:center;justify-content:space-between}.sidebar-callout .icon{width:14px}.safe-label{display:flex;gap:10px;padding:24px 9px 0;align-items:center;font-size:10px;color:#939e90}.safe-label>.icon{color:#72856a}.safe-label small{display:block;font-size:9px;color:#63715f;letter-spacing:.04em;margin-top:2px}.sidebar-progress{display:block;padding:16px 12px;background:#192119;border:1px solid #2c382a;border-radius:9px}.sidebar-progress>span{display:flex;justify-content:space-between;font-size:11px}.sidebar-progress b{color:var(--green)}.sidebar-progress progress{margin:10px 0 4px}.sidebar-progress small{font-size:10px;color:var(--muted)}
.app-shell{margin-left:236px}.topbar{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:26px;padding:0 34px;background:#101512}.top-location{font-size:11px;color:#879183;white-space:nowrap}.top-location span{color:#495447;margin:0 12px}.top-location b{font-weight:450;color:#c6cec0;max-width:240px;display:inline-block;overflow:hidden;text-overflow:ellipsis;vertical-align:bottom}.top-search{margin-left:auto;display:flex;gap:9px;align-items:center;padding:7px 10px;background:#171e18;border:1px solid #29332a;border-radius:6px;width:270px;max-width:30vw}.top-search .icon{width:15px;color:#7b897a}.top-search input{background:transparent;border:0;color:var(--text);font-size:11px;min-width:0;width:100%;padding:0;outline-offset:7px}.top-search input::placeholder{color:#73806e}.top-search kbd{border:1px solid #384333;color:#74836b;font-size:11px;border-radius:3px;padding:0 5px}.language-label{font-size:10px;color:#abb6a4;display:flex;gap:7px;align-items:center}.language-label span{color:#677560}.top-login{font-size:12px;display:flex;align-items:center;gap:10px;white-space:nowrap}.top-login .icon{width:16px;color:#a7b399}.user-avatar{width:34px;height:34px;border:1px solid #405135;border-radius:50%;color:var(--green);background:#2a3822;display:grid;place-items:center;font-size:13px}.icon-button{background:none;border:0;padding:4px;display:grid;place-items:center;color:var(--muted)}.menu-toggle{display:none}.main-content{padding:32px 34px 0;max-width:1680px;margin:auto;min-height:calc(100vh - 78px)}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:29px}.eyebrow{font-size:9px;letter-spacing:.14em;font-weight:650;color:#92a28a}.page-heading .eyebrow{margin-bottom:11px}.page-heading p{font-size:12px;margin-bottom:0}.outline-tag{font-size:10px;color:#a3ae9b;white-space:nowrap;border:1px solid #313d2d;padding:7px 11px;border-radius:5px;display:flex;align-items:center;gap:7px}.outline-tag .icon{width:13px;height:13px}
.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:40px;padding:10px 16px;border-radius:6px;border:1px solid transparent;font-size:11px;font-weight:550;line-height:1.5;transition:background .15s,transform .15s;white-space:normal;text-align:center}.button .icon{width:15px;height:15px}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--green);color:#17220e;border-color:var(--green)}.button.primary:hover{background:#c8f99c}.button.secondary{background:#1c251c;color:#d2dbca;border-color:#354030}.button.secondary:hover{background:#273322}.button.ghost{background:transparent;color:#cbd4c3;border-color:#3a4734}.button.ghost:hover{background:#25321e}.button.full{width:100%}.button.small{font-size:10px;min-height:32px;padding:7px 11px}.text-link{color:#b7c5ac;display:inline-flex;align-items:center;gap:8px;font-size:11px}.text-link .icon{width:14px}.text-link:hover{color:var(--green)}.inline-link{border:0;padding:0;background:transparent;color:var(--green);text-align:left}.back-link{display:inline-block;color:#94a78a;font-size:11px;margin:0 0 24px}.back-link:hover{color:var(--green)}
.hero{position:relative;overflow:hidden;display:flex;border:1px solid #364b29;border-radius:12px;background:radial-gradient(ellipse at 82% 40%,#243f1d 0,transparent 60%),linear-gradient(110deg,#1b2a18 0,#192919 45%,#14271b 100%);min-height:350px;margin-bottom:23px}.hero-copy{padding:30px 32px;position:relative;z-index:2;width:65%}.hero-badge{display:flex;align-items:center;gap:7px;color:#c0dcab;font-size:8px;letter-spacing:.12em;margin-bottom:17px}.hero-badge>span{width:5px;height:5px;display:block;background:var(--green);border-radius:50%;box-shadow:0 0 12px #b7ed7950}.hero h2{font-size:44px;line-height:1.12;letter-spacing:-.055em;margin:0 0 16px;font-weight:600}.hero h2 em{font-style:normal;color:var(--green)}.hero p{font-size:11px;line-height:1.9;color:#afbea3;margin-bottom:21px}.hero-actions{display:flex;gap:10px}.hero-foot{display:flex;gap:17px;font-size:9px;color:#9cb08d;margin-top:24px}.hero-foot span{display:flex;align-items:center;gap:5px}.hero-foot .icon{width:11px;height:11px;color:var(--green)}.hero-visual{position:absolute;width:370px;height:100%;right:0;top:0}.hero-grid{position:absolute;inset:0;opacity:.4;background-image:linear-gradient(#9ac67412 1px,transparent 1px),linear-gradient(90deg,#9ac67412 1px,transparent 1px);background-size:27px 27px;mask-image:radial-gradient(ellipse at 50% 50%,black,transparent 70%)}.orbital{position:absolute;border:1px solid #78965825;border-radius:50%;width:285px;height:285px;top:37px;left:22px;transform:rotate(-20deg)}.orbit-one:after{content:'';position:absolute;top:50px;left:19px;width:5px;height:5px;border-radius:50%;background:#9ad95e;box-shadow:0 0 13px #a2ee5790}.orbit-two{width:217px;height:217px;top:71px;left:56px;border-style:dashed;border-color:#93ba6f2a}.cyber-shield{position:absolute;top:90px;left:100px;width:131px;height:148px;filter:drop-shadow(0 0 20px #a7df6b30)}.cyber-shield svg{width:100%;height:100%;stroke:#bcf485;stroke-width:2}.cyber-shield .inner-shield{stroke:#64844c;stroke-width:.9;fill:#a9e06e07}.cyber-shield .shield-check{stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.float-tag{position:absolute;display:flex;align-items:center;gap:9px;background:#182a1eef;box-shadow:0 5px 25px #0002;border:1px solid #45603b;border-radius:6px;padding:10px 14px;color:#a7c391;font:9px/1.7 'SFMono-Regular',Consolas,monospace;transform:rotate(-4deg)}.float-tag b{color:#c0e4a1;font-weight:400}.float-top{right:15px;top:54px}.float-top .icon{width:20px;color:#a6da77}.float-bottom{bottom:58px;left:30px;transform:rotate(3deg);border-color:#3b5737;font-size:8px}.status-light{display:block;height:6px;width:6px;border-radius:50%;background:#b7ed79;box-shadow:0 0 9px #b7ed7950}.visual-coordinates{position:absolute;bottom:20px;right:22px;color:#658257;font:7px monospace;letter-spacing:.06em}
.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);background:#141a16;border-radius:10px;padding:19px 0;margin-bottom:34px}.stat{display:flex;align-items:center;gap:14px;padding:0 23px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat-icon{width:38px;height:40px;display:grid;place-items:center;border-radius:8px;flex-shrink:0}.stat .icon{width:20px;height:20px}.stat b{font-size:24px;font-weight:550;line-height:1.3;display:block;letter-spacing:-.04em}.stat b small{font-size:12px;font-weight:400;color:#a5b09b;letter-spacing:0}.stat div>span{display:block;color:#8e9a86;font-size:9px;margin-top:4px}.mint{color:var(--green);background:#27351f;border-color:#40522e}.blue{color:var(--blue);background:#202c37;border-color:#354d61}.violet{color:var(--purple);background:#2d263c;border-color:#4e3d62}.amber{color:var(--amber);background:#332f21;border-color:#50472d}.rose{color:var(--rose);background:#352727;border-color:#593e3e}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.section-heading h2{font-size:19px;margin-bottom:5px}.section-heading p{font-size:11px;margin-bottom:0}.section-heading>h2{margin:0}.home-columns{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:24px}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.home-courses{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.course-card{display:flex;flex-direction:column;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:21px 21px 0;transition:border-color .2s,transform .2s}.course-card:hover{border-color:#506844;transform:translateY(-3px);background:#182019}.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:21px}.course-icon{width:43px;height:43px;display:inline-grid;place-items:center;border-radius:9px;flex-shrink:0}.course-icon .icon{width:22px;height:22px}.course-icon.large{width:65px;height:65px;border-radius:14px}.course-icon.large .icon{width:32px;height:32px}.level-pill{display:inline-flex;align-items:center;gap:5px;font-size:8px;color:#a9bb9c;background:#20291e;border:1px solid #34412d;padding:3px 6px;border-radius:4px;white-space:nowrap}.level-pill>span{font-size:6px;color:#a1c380}.level-pill.level-high{color:#c8adab;border-color:#4a3534;background:#2d2321}.course-number{font-size:8px;font-weight:500;letter-spacing:.09em;color:#7c8a73;margin-bottom:7px}.course-card h3{font-size:17px;letter-spacing:-.025em;margin-bottom:8px}.course-card p{font-size:10px;line-height:1.7;color:#929e89;margin-bottom:17px}.course-meta{display:flex;align-items:center;gap:15px;font-size:9px;color:#84917c;flex-wrap:wrap}.course-meta span{display:flex;align-items:center;gap:5px}.course-meta .icon{width:12px;height:12px}.card-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:13px 0 14px;color:#b2c2a4;font-size:10px;margin-top:20px}.card-bottom .icon{width:14px;height:14px;color:#849b74}.course-card>.card-bottom{margin-top:auto}.course-card>.course-meta{margin-bottom:20px}.card-progress{margin-bottom:16px}.card-progress small{display:block;font-size:9px;color:var(--muted);margin-top:4px}
.panel{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.home-aside{padding-top:2px}.panel-kicker{font-size:8px;color:#8c9c80;letter-spacing:.07em;display:flex;gap:7px;align-items:center;margin-bottom:17px}.panel-kicker .icon{width:13px;height:13px}.learning-path{padding:21px;background:linear-gradient(140deg,#1b241b,#151c16)}.learning-path h3{font-size:21px;line-height:1.35;margin-bottom:23px}.mini-path{list-style:none;margin:0 0 24px;padding:0;position:relative}.mini-path:before{content:'';position:absolute;top:20px;bottom:20px;left:12px;width:1px;background:#3c4b32}.mini-path li{position:relative;display:flex;gap:12px;align-items:flex-start;margin-bottom:24px}.mini-path li:last-child{margin-bottom:0}.mini-path li>span{width:25px;height:25px;display:grid;place-items:center;background:#232f20;border:1px solid #3c4d31;color:#a9c292;font-size:8px;border-radius:50%;flex-shrink:0}.mini-path li:first-child>span{background:var(--green);color:#1d2d12;border-color:var(--green)}.mini-path strong{font-size:10px;font-weight:500;display:block}.mini-path small{font-size:8px;display:block;color:#7e8e73;margin-top:5px}.learning-path .button{font-size:9px;justify-content:space-between}.terminal-panel{margin-top:18px;border:1px solid #2b352a;border-radius:9px;background:#10170f;overflow:hidden}.terminal-title{display:flex;justify-content:space-between;align-items:center;padding:11px 13px;background:#192018;border-bottom:1px solid #283224;font:8px monospace;color:#6b7b61}.terminal-dots{font-size:7px;color:#6d7f60;letter-spacing:2px;white-space:nowrap}.terminal-panel pre{margin:0;padding:22px 17px;font-size:10px;line-height:2;color:#bac9ab}.syntax-purple{color:#bc9bd5}.syntax-green{color:#b5df86}.terminal-caption{font-size:8px;color:#6a805e;padding:0 17px 18px}.ethics-note{display:flex;gap:10px;margin-top:22px;align-items:flex-start}.ethics-note>.icon{color:#8caa72;width:18px;margin-top:3px}.ethics-note strong{font-size:11px;font-weight:500;color:#a6b69b}.ethics-note p{font-size:9px;color:#7f8f74;line-height:1.8;margin:5px 0 0}.bottom-callout{border:1px solid #33442c;border-radius:10px;padding:22px;display:flex;align-items:center;gap:18px;background:linear-gradient(90deg,#1a2418,#141d16);margin-top:28px}.bottom-callout h3{font-size:15px;margin-bottom:5px}.bottom-callout p{font-size:11px;margin-bottom:0}.bottom-callout .button{margin-left:auto;flex-shrink:0}.footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #242d24;margin-top:36px;padding:21px 0;font-size:9px;color:#6c7b64}.footer-dot{font-size:6px;color:#90a97a;margin:0 7px}
.filter-bar{display:flex;align-items:center;gap:12px;margin:24px 0}.search-field{position:relative;display:flex;align-items:center;gap:10px;flex:1;padding:0 13px;border:1px solid #354230;border-radius:7px;background:#141c15}.search-field .icon{width:16px;color:#819674}.search-field input{border:0;background:transparent;width:100%;min-width:0;padding:11px 0;font-size:12px;color:var(--text)}input,select,textarea{background:#101710;color:var(--text);border:1px solid #354131;border-radius:6px;padding:11px 12px;font-size:13px;max-width:100%}input::placeholder,textarea::placeholder{color:#66745f}select{font-size:12px;min-width:180px;padding-right:25px}.empty-state{text-align:center;padding:65px 30px;grid-column:1/-1}.empty-state .course-icon{margin-bottom:20px}.empty-state h2{font-size:22px}.empty-state p{max-width:550px;margin:0 auto 23px}.two-columns{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:25px}.equal-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.sticky-panel{position:sticky;top:25px}.course-overview{display:flex;gap:27px;align-items:center;padding:32px;margin-bottom:30px;background:linear-gradient(110deg,#1a251a,#131c16)}.course-overview .eyebrow{margin-bottom:10px}.course-overview p{max-width:760px;font-size:13px}.lesson-list{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel)}.lesson-row{display:flex;align-items:center;gap:20px;padding:25px;border-bottom:1px solid var(--line)}.lesson-row:last-child{border-bottom:0}.lesson-row:hover{background:#1a2319}.lesson-index{display:grid;place-items:center;flex-shrink:0;width:34px;height:34px;border-radius:7px;border:1px solid #3c4934;color:#a5bc93;font:12px monospace}.lesson-index.done{background:#2a3d20;color:var(--green)}.lesson-row>div{flex:1}.lesson-row h3{font-size:15px;margin-bottom:7px}.lesson-row p{font-size:11px;margin-bottom:12px}.lesson-row>.icon{width:17px;color:#7a8f6c}.numbered-list{padding-left:19px;color:#a6b49b;font-size:12px;line-height:1.9}.numbered-list li{margin:0 0 12px}progress{display:block;height:5px;width:100%;border:0;border-radius:8px;overflow:hidden;appearance:none;background:#2c3828;color:var(--green)}progress::-webkit-progress-bar{background:#2c3828;border-radius:8px}progress::-webkit-progress-value{background:var(--green);border-radius:8px}progress::-moz-progress-bar{background:var(--green)}.sticky-panel>progress{margin-top:25px}.sticky-panel>p{font-size:12px}.sticky-panel .text-link{margin-top:20px}.divider{height:1px;background:var(--line);margin:25px 0}.roadmap-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:35px}.roadmap{position:relative}.roadmap:before{content:'';position:absolute;top:20px;bottom:120px;left:22px;border-left:1px dashed #48603a}.roadmap-item{display:flex;gap:23px;align-items:flex-start;position:relative;margin-bottom:20px}.roadmap-node{width:46px;height:46px;display:grid;place-items:center;border:1px solid;border-radius:12px;font:13px monospace;flex-shrink:0;margin-top:24px;z-index:1}.roadmap-item>.panel{flex:1;transition:border .2s;min-width:0}.roadmap-item:hover>.panel{border-color:#506844}.roadmap-title{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:13px;font-size:10px}.roadmap-item h2{font-size:22px}.roadmap-item p{font-size:12px}.roadmap-bottom{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#a7b99a}.roadmap-bottom .icon{width:15px}.info-banner{display:flex;align-items:center;gap:14px;background:#1a2519;border:1px solid #33472d;border-radius:9px;padding:18px 20px;margin:24px 0}.info-banner>.icon{color:#b0cb99}.info-banner p{margin:0;color:#a4b298;font-size:12px;line-height:1.8}.lab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.lab-card{display:flex;flex-direction:column;transition:border .2s}.lab-card:hover{border-color:#516944}.lab-card h3{font-size:16px}.lab-card p{font-size:11px;flex:1}.lab-card .card-bottom{margin-bottom:-12px}.lab-card .card-top{margin-bottom:22px}
.lesson-heading h1{font-size:29px;max-width:820px}.lesson-heading .course-meta{margin-top:16px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:24px;align-items:start}.lesson-workspace{min-width:0}.tabbar{display:flex;gap:6px;border-bottom:1px solid #35432e;margin-bottom:0;overflow-x:auto;scrollbar-width:thin}.tab{display:flex;align-items:center;justify-content:center;gap:7px;background:none;border:0;border-bottom:2px solid transparent;color:#91a086;padding:13px 15px;font-size:11px;white-space:nowrap}.tab .icon{width:15px;height:15px}.tab.active{border-bottom-color:var(--green);color:var(--green)}.tab-panel{margin-top:16px;padding:28px}.tab-panel[hidden]{display:none}.tab-panel h2{font-size:22px}.panel-bottom{border-top:1px solid var(--line);padding-top:25px;margin-top:30px}.prose{font-size:14px;line-height:1.95;overflow-wrap:anywhere;color:#bcc9b3}.prose h2{font-size:21px;margin:30px 0 14px;color:var(--text)}.prose h2:first-child{margin-top:0}.prose 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