:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#07080e;--panel:#0e1018;--soft:#111320;--surface:#171a28;--ink:#eef1f6;--muted:#8690a6;--line:#1f2436;--line-subtle:#161a2a;--accent:#818cf8;--accent-hover:#a5b4fc;--accent-muted:#6366f1;--accent-ink:#0f0b2e;--accent-glow:#818cf81f;--accent-glow-strong:#818cf838;--warm:#f59e0b;--warm-glow:#f59e0b1a;--hero:#060818;--field:#0b0d18;--field-focus:#101220;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--shadow-sm:0 1px 3px #0000004d, 0 1px 2px #0003;--shadow-md:0 4px 16px #00000059, 0 2px 6px #0003;--shadow-lg:0 12px 40px #0006, 0 4px 12px #00000040;--shadow-xl:0 24px 70px #00000080;--shadow-glow:0 0 30px var(--accent-glow);--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-smooth:.3s cubic-bezier(.4, 0, .2, 1);--transition-spring:.4s cubic-bezier(.34, 1.56, .64, 1)}html[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f9fafb;--panel:#fff;--soft:#f1f3f7;--surface:#e8ebf0;--ink:#111827;--muted:#5b6478;--line:#dde2eb;--line-subtle:#ebeff4;--accent:#4f46e5;--accent-hover:#4338ca;--accent-muted:#4f46e5;--accent-ink:#fff;--accent-glow:#4f46e514;--accent-glow-strong:#4f46e524;--warm:#d97706;--warm-glow:#d9770614;--hero:#f5f6fa;--field:#fff;--field-focus:#f9fafb;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 16px #0000000f, 0 2px 6px #0000000a;--shadow-lg:0 12px 40px #00000014, 0 4px 12px #0000000a;--shadow-xl:0 24px 70px #0000001a;--shadow-glow:0 0 30px var(--accent-glow)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:15px;line-height:1.7}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--accent)}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.03em;font-weight:700;line-height:1.15}h1{letter-spacing:-.04em;font-size:clamp(38px,5vw,68px);font-weight:800}h2{font-size:clamp(28px,3.2vw,40px);font-weight:700}h3{font-size:21px;font-weight:600}p{color:var(--muted)}svg{vertical-align:middle;flex-shrink:0}.shell{width:min(1280px,100% - 64px);margin-inline:auto}.preview-banner{background:linear-gradient(90deg, var(--accent-glow) 0%, transparent 40%, transparent 60%, var(--accent-glow) 100%), var(--soft);border-bottom:1px solid var(--line);color:var(--muted);justify-content:center;align-items:center;gap:14px;padding:7px 20px;font-size:11px;display:flex}.preview-label{color:var(--ink);letter-spacing:.03em;font-weight:700}.preview-banner a{color:var(--accent);white-space:nowrap;font-weight:600}.site-header{z-index:20;background:color-mix(in srgb, var(--bg) 80%, transparent);-webkit-backdrop-filter:blur(16px)saturate(1.6);border-bottom:1px solid var(--line-subtle);transition:background var(--transition-smooth);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:25px;height:72px;display:flex}.brand{letter-spacing:-.02em;white-space:nowrap;color:var(--ink);transition:opacity var(--transition-fast);align-items:center;font-size:19px;font-weight:800;display:inline-flex}.brand:hover{opacity:.85;color:var(--ink)}.brand>span:first-child{color:var(--accent)}.brand-dot{color:#f59e0b}.desktop-nav,.nav-actions{align-items:center;display:flex}.desktop-nav{gap:32px;margin-left:auto;margin-right:40px}.desktop-nav a{color:var(--muted);transition:color var(--transition-fast);padding:4px 0;font-size:13.5px;font-weight:500;position:relative}.desktop-nav a:after{content:"";background:var(--accent);width:0;height:2px;transition:width var(--transition-smooth);border-radius:1px;position:absolute;bottom:-2px;left:0}.desktop-nav a:hover{color:var(--ink)}.desktop-nav a:hover:after{width:100%}.desktop-nav a[aria-current=page]{color:var(--accent);font-weight:600}.desktop-nav a[aria-current=page]:after{width:100%}.mobile-nav a[aria-current=page]{color:var(--accent)}.nav-actions{gap:10px}.nav-signup{border:1px solid var(--line);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:8px 16px;font-size:13px;font-weight:500}.nav-signup:hover{border-color:var(--accent);color:var(--accent)}.icon-button{border:1px solid var(--line);width:38px;height:38px;color:var(--muted);transition:all var(--transition-fast);background:0 0;border-radius:50%;place-items:center;display:grid}.icon-button:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}.lang-form{display:contents}.lang-toggle{border:1px solid var(--line);height:38px;color:var(--muted);letter-spacing:.02em;transition:all var(--transition-fast);cursor:pointer;background:0 0;border-radius:19px;place-items:center;padding:0 12px;font-size:12px;font-weight:700;display:grid}.lang-toggle:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}.button{background:var(--accent);color:var(--accent-ink);border-radius:var(--radius-sm);text-align:center;transition:all var(--transition-fast);border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:13px 24px;font-size:14px;font-weight:600;line-height:1.5;display:inline-flex;box-shadow:0 1px 3px #00000026,inset 0 1px #ffffff1a}.button:hover{background:var(--accent-hover);color:var(--accent-ink);box-shadow:var(--shadow-md), var(--shadow-glow);transform:translateY(-1px)}.button:active{transform:translateY(0)}.button.small{padding:9px 16px;font-size:13px}.button.secondary{border-color:var(--line);color:var(--ink);box-shadow:none;background:0 0}.button.secondary:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}.button-outline{border-color:var(--line);color:var(--ink);box-shadow:none;background:0 0}.button-outline:hover{border-color:var(--accent);color:var(--accent)}.menu-toggle,.mobile-nav{display:none}.hero-section{background:var(--hero);color:#f1f5f9;border-bottom:1px solid var(--line);position:relative;overflow:hidden}.hero-section:before{content:"";pointer-events:none;background:radial-gradient(80% 60% at 70% 20%,#818cf814 0%,#0000 60%),radial-gradient(50% 80% at 10% 80%,#c084fc0d 0%,#0000 50%),radial-gradient(40% 40% at 90% 90%,#f59e0b08 0%,#0000 50%);position:absolute;inset:0}.hero-section:after{content:"";background:linear-gradient(90deg, transparent, var(--accent-glow-strong), transparent);height:1px;position:absolute;top:0;left:0;right:0}.hero{grid-template-columns:1fr 1fr;align-items:center;gap:80px;padding-block:90px;display:grid;position:relative}.eyebrow{letter-spacing:.14em;text-transform:uppercase;font-size:11px;font-weight:700;line-height:1.8}.accent{color:var(--accent)}.hero .accent{color:#818cf8;align-items:center;gap:10px;display:flex}.status-dot{background:#818cf8;border-radius:50%;width:7px;height:7px;animation:2.5s ease-in-out infinite pulse-dot;box-shadow:0 0 0 4px #818cf81f,0 0 12px #818cf84d}@keyframes pulse-dot{0%,to{box-shadow:0 0 0 4px #818cf81f,0 0 12px #818cf84d}50%{box-shadow:0 0 0 7px #818cf80f,0 0 20px #818cf826}}.hero h1{letter-spacing:-.045em;margin-top:22px;line-height:1.08}.hero h1>span{background:linear-gradient(135deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-copy{color:#b0b6cf;max-width:500px;margin-top:22px;font-size:17px;line-height:1.8}.actions{flex-wrap:wrap;align-items:center;gap:14px;margin-top:34px;display:flex}.hero .button{color:#fff;background:linear-gradient(135deg,#818cf8,#6366f1);box-shadow:0 2px 8px #818cf840}.hero .button:hover{background:linear-gradient(135deg,#a5b4fc,#818cf8);box-shadow:0 4px 20px #818cf859}.hero .secondary{color:#e2e8f0;box-shadow:none;background:0 0}html[data-theme=light] .hero h1{color:var(--ink)}html[data-theme=light] .hero .accent{color:var(--accent)}html[data-theme=light] .hero h1>span{background-image:linear-gradient(135deg,#4f46e5,#7e22ce)}html[data-theme=light] .hero-copy,html[data-theme=light] .hero-benefits,html[data-theme=light] .hero-return{color:var(--muted)}html[data-theme=light] .hero .secondary{color:var(--ink)}.hero-benefits{color:#8a9bb0;flex-wrap:wrap;gap:20px;margin-top:32px;font-size:12px;font-weight:500;display:flex}.hero-benefits span{align-items:center;gap:6px;display:flex}.hero-benefits svg{color:#818cf8}.code-window{border-radius:var(--radius-lg);box-shadow:var(--shadow-xl), 0 0 60px #818cf80a;background:#0c0d20;border:1px solid #22204a;min-width:0;overflow:hidden}.window-toolbar{color:#c9d6e8;border-bottom:1px solid #1c1a3e;align-items:center;gap:12px;padding:16px 18px;font-size:10px;display:flex}.window-dots{gap:6px;display:flex}.window-dots i{width:8px;height:8px;transition:transform var(--transition-fast);background:#fb7185;border-radius:50%}.window-dots i:nth-child(2){background:#fbbf24}.window-dots i:nth-child(3){background:#34d399}.badge{color:#8fa8c4;background:#1a1838;border:1px solid #282550;border-radius:5px;margin-left:auto;padding:2px 10px;font-size:10px;font-weight:500;display:inline-block}.code-tab{color:#a9d7ec;border-bottom:1px solid #1c1a3e;align-items:center;gap:8px;padding:12px 22px;font-size:12px;font-weight:500;display:flex}.code-tab>span{color:#6b6e90;margin-left:auto;font-size:10px}.code-content{background:#060d1a;gap:19px;padding:24px 20px;display:flex;overflow:hidden}.line-numbers{color:#3d506a;-webkit-user-select:none;user-select:none;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;line-height:2.1}.code-content pre{color:#cbd5e1;min-width:0;margin:0;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;line-height:2.1;overflow-x:auto}.syntax-name{color:#cbd5e1}.syntax-string{color:#7dd3b0}.syntax-keyword{color:#c4a2f6}.syntax-function{color:#7dd3fc}.code-output{border-radius:var(--radius-sm);background:#818cf808;border:1px solid #1c1a3e;margin:16px 18px 0;padding:14px 16px}.code-output>div{color:#6b6e90;justify-content:space-between;gap:15px;display:flex}.code-output .eyebrow{font-size:9px}.output-status{color:#818cf8;align-items:center;gap:5px;font-size:10px;display:flex}.code-output p{color:#d1dbea;margin-top:10px;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;line-height:1.8}.code-footer{padding:16px 20px 20px}.code-footer p{color:#6b6e90;font-size:11px}.code-footer a{color:#818cf8;align-items:center;gap:10px;margin-top:12px;font-size:12px;font-weight:600;display:flex}.learning-strip{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:28px;padding-block:28px;display:grid}.learning-strip>div{align-items:center;gap:15px;display:flex}.learning-strip>div+div{border-left:1px solid var(--line);padding-left:26px}.feature-icon{background:var(--accent-glow);border:1px solid var(--accent-glow-strong);width:46px;height:46px;color:var(--accent);border-radius:var(--radius-sm);transition:all var(--transition-fast);flex-shrink:0;place-items:center;display:grid}.learning-strip strong{font-size:13px;font-weight:600;display:block}.learning-strip small{color:var(--muted);margin-top:2px;font-size:11px;display:block}.catalogue-section{padding-block:72px}.section-heading{justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px;display:flex}.section-heading h2{margin-top:8px}.section-heading p:not(.eyebrow){margin-top:12px;font-size:14px;line-height:1.7}.text-link{color:var(--accent);transition:gap var(--transition-fast), color var(--transition-fast);align-items:center;gap:8px;font-size:13px;font-weight:600;display:inline-flex}.text-link:hover{color:var(--accent-hover);gap:12px}.home-search{border:1px solid var(--line);background:var(--field);border-radius:var(--radius-md);max-width:720px;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);align-items:center;gap:12px;padding:5px 5px 5px 18px;display:flex}.home-search:focus-within{border-color:var(--accent);box-shadow:var(--shadow-glow)}.home-search>svg{color:var(--muted)}.home-search input{min-width:0;color:var(--ink);background:0 0;border:0;flex:1;padding:10px 0;font-size:14px}.home-search input::placeholder{color:var(--muted)}.home-search input:focus{outline:none}.home-search .button{padding:10px 22px}.source-note{color:var(--muted);margin:20px 0;font-size:11px}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;display:grid}.course-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);min-width:0;transition:all var(--transition-smooth);box-shadow:var(--shadow-sm);overflow:hidden}.course-card:hover{border-color:color-mix(in srgb, var(--accent) 40%, var(--line));box-shadow:var(--shadow-lg), 0 0 40px var(--accent-glow);transform:translateY(-4px)}.course-art{color:#a5b4fc;background:linear-gradient(135deg,#141040 0%,#1a1548 50%,#201a55 100%);justify-content:space-between;align-items:center;height:195px;padding:23px;display:flex;position:relative}.course-art:after{content:"";background:linear-gradient(#0000 50%,#0000004d 100%);position:absolute;inset:0}.course-art b{z-index:1;opacity:.6;font-family:JetBrains Mono,monospace;font-size:54px;position:relative}.course-art>span{letter-spacing:.1em;z-index:1;font-size:11px;position:relative}.course-cover{aspect-ratio:16/9;object-fit:cover;background:#0c0d20;width:100%;display:block}.course-body{padding:24px}.course-meta{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:11px;font-weight:500;display:flex}.level-badge{text-transform:capitalize;background:var(--accent-glow);color:var(--accent);border-radius:6px;padding:4px 10px;font-size:11px;font-weight:600}.course-body h3{margin:14px 0 10px;font-size:18px;line-height:1.3}.course-body>p{-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:13px;line-height:1.6;display:-webkit-box;overflow:hidden}.instructor{color:var(--muted);align-items:center;gap:10px;margin-top:18px;font-size:12px;display:flex}.avatar{background:linear-gradient(135deg, var(--accent-glow), var(--soft));border:1px solid var(--line);width:28px;height:28px;color:var(--accent);border-radius:50%;place-items:center;font-size:11px;font-weight:700;display:grid}.card-bottom{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;margin-top:18px;padding-top:18px;font-size:13px;display:flex}.card-bottom>span{color:var(--accent);font-size:16px;font-weight:700}.card-bottom a{transition:gap var(--transition-fast);align-items:center;gap:8px;font-weight:600;display:flex}.card-bottom a:hover{gap:12px}.features-section{background:var(--soft);border-block:1px solid var(--line);padding-block:72px}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.feature-grid article{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius-lg);transition:all var(--transition-smooth);padding:30px}.feature-grid article:hover{border-color:var(--line);box-shadow:var(--shadow-md);transform:translateY(-2px)}.feature-top{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.feature-top>span:last-child{color:var(--line);font-size:32px;font-weight:800}.feature-grid p{margin-top:12px;font-size:13.5px;line-height:1.7}.feature-grid h3{font-size:19px}.faq-section{grid-template-columns:1fr 1.5fr;gap:90px;padding-block:80px;display:grid}.faq-section h2{margin-top:11px;line-height:1.25}.faq-section>div>p:not(.eyebrow){margin:20px 0;font-size:14px;line-height:1.7}.faq-list details{border-bottom:1px solid var(--line);transition:background var(--transition-fast);padding:22px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{cursor:pointer;transition:color var(--transition-fast);justify-content:space-between;align-items:center;gap:18px;font-size:15px;font-weight:600;list-style:none;display:flex}.faq-list summary:hover{color:var(--accent)}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{color:var(--accent);transition:transform var(--transition-smooth);font-size:22px}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details p{margin-top:14px;font-size:13.5px;line-height:1.7}.learning-cta{border-radius:var(--radius-xl);color:#f1f5f9;background:linear-gradient(135deg,#12103a 0%,#151240 50%,#0e1035 100%);border:1px solid #2a2660;justify-content:space-between;align-items:center;gap:30px;margin-bottom:72px;padding:44px 48px;display:flex;position:relative;overflow:hidden}.learning-cta:before{content:"";pointer-events:none;background:radial-gradient(#818cf80d 0%,#0000 60%);width:60%;height:200%;position:absolute;top:-50%;right:-20%}.learning-cta h2{margin:8px 0 12px;font-size:28px}.learning-cta p{color:#9aa0c0;font-size:14px}.learning-cta .eyebrow{color:#a5b4fc;font-size:10px}.learning-cta .button{color:#fff;white-space:nowrap;background:linear-gradient(135deg,#818cf8,#6366f1);position:relative}.site-footer{background:var(--soft);border-top:1px solid var(--line);padding-top:56px}.footer-grid{grid-template-columns:2fr 1fr 1.2fr 1fr;gap:48px;display:grid}.footer-grid>div>p{max-width:340px;margin-top:18px;font-size:13px;line-height:1.7}.footer-grid nav h2{letter-spacing:.06em;text-transform:uppercase;color:var(--ink);margin:2px 0 20px;font-size:13px;font-weight:700}.footer-grid nav a{color:var(--muted);transition:color var(--transition-fast);margin:11px 0;font-size:13px;display:block}.footer-grid nav a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:20px;margin-top:44px;padding:22px 0;font-size:12px;display:flex}.page-section{min-height:60vh;padding-block:56px 80px}.page-section h1{margin:14px 0 20px;font-size:clamp(32px,4vw,50px)}.lede{max-width:760px;font-size:17px;line-height:1.75}.search-form{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow-sm);align-items:end;gap:18px;margin:32px 0;padding:24px;display:flex}.search-form>div:first-child{flex:1}.search-form label{margin-bottom:9px;font-size:12px;font-weight:600;display:block}.search-form input,.search-form select{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--field);width:100%;min-height:48px;color:var(--ink);transition:border-color var(--transition-fast);padding:12px 16px;font-size:14px}.search-form input:focus,.search-form select:focus{border-color:var(--accent)}.result-count{margin:22px 0;font-size:13px;font-weight:500}.empty{border:1px dashed var(--line);border-radius:var(--radius-lg);background:var(--soft);text-align:center;padding:48px 40px}.empty h2,.empty h3{margin-top:14px;font-size:24px}.empty p{max-width:400px;margin:14px auto;font-size:14px;line-height:1.7}.empty .button{margin-top:8px}.notice{color:#f7e3b5;border-radius:var(--radius-md);background:#2e2410;border:1px solid #8d6d29;margin:25px 0;padding:22px 24px}.notice p{color:inherit}.notice form{margin-top:15px}.detail-grid{grid-template-columns:1.6fr 1fr;gap:56px;margin-top:35px;display:grid}.detail-panel{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);align-self:start;padding:32px}.detail-panel h2{margin:12px 0 20px}.detail-panel>.button{width:100%;margin-top:25px}.quiet{color:var(--muted);margin-top:20px;font-size:12px}.prose{max-width:860px}.prose h2{margin:33px 0 15px;font-size:25px}.prose>.button{margin-top:28px}.check-list{color:var(--muted);padding-left:22px;line-height:2}.help-grid{margin-top:40px}.help-grid h2{font-size:21px}.help-grid .text-link{margin-top:20px}.pagination{justify-content:center;gap:25px;margin-top:35px;display:flex}.skip-link{background:var(--panel);border:1px solid var(--accent);border-radius:var(--radius-sm);z-index:40;padding:12px 16px;font-weight:600;position:fixed;top:-100px;left:20px}.skip-link:focus{top:10px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}main:focus{outline:none}@media (max-width:1000px){.desktop-nav{gap:22px;margin-right:10px}.hero{gap:40px;padding-block:65px}.hero h1{font-size:48px}.window-toolbar>span:not(.badge){font-size:9px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{gap:28px}.faq-section{gap:50px}.feature-grid article{padding:24px}.learning-strip>div+div{padding-left:15px}.nav-signup,.logout-form{display:none}}@media (max-width:760px){.shell{width:calc(100% - 36px)}.preview-banner{flex-wrap:wrap;gap:8px;padding:6px 15px;font-size:9px}.preview-banner>span:nth-child(2){display:none}.header-inner{gap:12px;height:64px}.brand{font-size:16px}.nav-actions{gap:8px}.desktop-nav{display:none}.menu-toggle{display:grid}.mobile-nav.is-open{border-top:1px solid var(--line);background:color-mix(in srgb, var(--bg) 95%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-direction:column;gap:2px;padding:16px 24px;display:flex}.mobile-nav a{padding:12px 0;font-size:14px;font-weight:500}.mobile-nav .mobile-logout{text-align:left;padding:12px 0;font-size:14px;font-weight:500}.icon-button{width:34px;height:34px}.button.small{padding:8px 14px;font-size:12px}.hero{grid-template-columns:1fr;gap:35px;padding-block:48px}.hero h1{font-size:clamp(36px,8vw,44px)}.hero-copy{max-width:100%;font-size:15.5px}.hero-benefits{gap:14px;font-size:11px}.window-toolbar>span:not(.badge){font-size:10px}.learning-strip{grid-template-columns:1fr;gap:16px;padding-block:22px}.learning-strip>div+div{border:0;padding:0}.learning-strip>div{gap:12px}.learning-strip .feature-icon{width:36px;height:36px}.learning-strip small{margin-left:8px;font-size:10px;display:inline}.learning-strip strong{font-size:12px;display:inline}.section-heading{display:block}.section-heading>.text-link{margin-top:16px}.catalogue-section{padding-block:48px}.course-grid,.feature-grid{grid-template-columns:1fr}.course-cover{max-height:260px}.features-section{padding-block:48px}.faq-section{grid-template-columns:1fr;gap:30px;padding-block:48px}.learning-cta{margin-bottom:48px;padding:28px;display:block}.learning-cta .button{margin-top:24px}.learning-cta h2{font-size:26px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-wrap:wrap;gap:5px}.search-form{flex-direction:column;align-items:stretch;gap:16px;padding:18px}.detail-grid{grid-template-columns:1fr;gap:30px}.page-section{padding-block:38px 56px}.home-search{gap:9px}.home-search input{font-size:13px}.home-search .button{padding:10px 16px}.code-content{gap:12px;padding-inline:14px}.code-content pre{font-size:11px}.help-grid{margin-top:30px}}@media (max-width:400px){.header-inner{gap:8px}.nav-actions{gap:6px}.lang-toggle{height:34px;padding:0 10px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}
.auth-page{grid-template-columns:1.15fr 1fr;align-items:start;gap:80px;display:grid}.auth-intro{padding-top:25px}.auth-intro h1{line-height:1.15}.auth-intro .text-link{margin-top:25px}.form-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:32px}.form-panel h2{margin-bottom:22px;font-size:25px}.form-panel form,.discussion-panel form{gap:18px;margin-block:22px;display:grid}.form-panel label,.discussion-panel label{gap:8px;font-size:13px;font-weight:600;display:grid}.form-panel input,.form-panel textarea,.form-panel select,.discussion-panel textarea{border:1px solid var(--line);background:var(--field);width:100%;min-width:0;color:var(--ink);border-radius:var(--radius-sm);font:inherit;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:12px 14px;font-size:14px}.form-panel input:focus,.form-panel textarea:focus,.form-panel select:focus,.discussion-panel textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.form-panel textarea{resize:vertical}.form-panel small{color:var(--muted);font-weight:400}.form-panel>p,.form-panel>a{margin-top:16px;font-size:13px}.narrow{max-width:680px}.narrow h1{font-size:32px}.success-message{background:var(--accent-glow);border:1px solid var(--accent);border-radius:var(--radius-sm);color:var(--ink);margin-block:20px;padding:16px 20px;font-weight:500}.student-heading{justify-content:space-between;align-items:center;gap:30px;display:flex}.student-nav{border-bottom:1px solid var(--line);align-items:center;gap:26px;margin-bottom:28px;padding-block:22px;font-size:13px;font-weight:500;display:flex}.student-nav a{color:var(--muted);transition:color var(--transition-fast)}.student-nav a:hover{color:var(--ink)}.student-nav form{margin-left:auto}.student-nav button{background:0 0;border:0;padding:0}.course-body h2{margin-block:18px;font-size:22px}.course-body progress{width:100%;height:6px;accent-color:var(--accent);border-radius:3px;margin-top:22px}.notice p{color:inherit}.notice form{margin-top:15px}.logout-button{color:var(--ink);cursor:pointer;background:0 0;border:0}.studio-list{gap:18px;margin-top:35px;display:grid}.studio-list article{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);justify-content:space-between;align-items:center;gap:25px;padding:24px 28px;display:flex}.studio-list article:hover{border-color:var(--line);box-shadow:var(--shadow-sm)}.studio-list h2{margin-top:12px;font-size:21px}.editor-grid{grid-template-columns:1.5fr 1fr;align-items:start;gap:28px;display:grid}.lesson-editor-link{border-bottom:1px solid var(--line);transition:color var(--transition-fast);padding:17px 0;font-size:14px;display:block}.lesson-editor-link:hover{color:var(--accent)}.editor-grid aside>.button{margin:20px 0;display:flex}.editor-grid aside>.text-link{display:flex}.classroom{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:40px;padding-block:35px 80px;display:grid}.lesson-sidebar{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius-lg);max-height:calc(100vh - 125px);box-shadow:var(--shadow-sm);scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding:24px;position:sticky;top:105px;overflow:auto}.lesson-sidebar h2{margin:22px 0 12px;font-size:19px;line-height:1.4}.lesson-sidebar>p{font-size:12px}.lesson-sidebar nav{margin-top:22px;display:grid}.lesson-sidebar nav a{border-top:1px solid var(--line-subtle);transition:color var(--transition-fast);align-items:start;gap:12px;padding:12px 0;font-size:12px;font-weight:500;display:flex}.lesson-sidebar nav a:hover{color:var(--accent)}.lesson-sidebar nav a[aria-current=page]{color:var(--accent);font-weight:600}.lesson-main{min-width:0}.lesson-main h1{margin:14px 0 28px;font-size:38px}.lesson-text{overflow-wrap:anywhere;color:var(--ink);font-size:16px;line-height:1.85}.lesson-text p{color:var(--ink);margin-block:18px}.lesson-text h2{margin:36px 0 18px;font-size:26px}.lesson-text h3{margin:28px 0 15px;font-size:21px}.lesson-text a{text-underline-offset:3px;color:var(--accent);text-decoration:underline}.lesson-text pre{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-md);white-space:pre;overflow-wrap:normal;padding:22px;font-family:JetBrains Mono,Fira Code,monospace;font-size:13.5px;overflow:auto}.lesson-text table{max-width:100%;display:block;overflow:auto}.lesson-text td,.lesson-text th{border:1px solid var(--line);padding:11px 14px}.lesson-text th{background:var(--soft);font-weight:600}.practice-panel,.discussion-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-top:35px;padding:28px}.practice-panel h2,.discussion-panel h2{margin-bottom:18px;font-size:23px}.practice-panel>p{margin-bottom:20px;font-size:13px}.choice{border:1px solid var(--line);border-radius:var(--radius-sm);transition:border-color var(--transition-fast), background var(--transition-fast);cursor:pointer;align-items:start;gap:12px;margin:12px 0;padding:14px;display:flex}.choice:hover{border-color:color-mix(in srgb, var(--accent) 40%, var(--line));background:var(--accent-glow)}.choice:has(input:checked){border-color:var(--accent);background:var(--accent-glow)}.choice input{accent-color:var(--accent);margin-top:5px}.practice-panel form>.button{margin-top:16px}.lesson-controls{justify-content:space-between;align-items:center;gap:25px;margin-top:30px;display:flex}.discussion{border-top:1px solid var(--line-subtle);padding:20px 0}.discussion time{color:var(--muted);font-size:11px;display:block}.discussion p{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink);margin-top:10px;font-size:14px}.curriculum{margin-top:35px}.curriculum h2{margin-bottom:20px;font-size:27px}.curriculum>div{border:1px solid var(--line);border-radius:var(--radius-md);margin-top:10px;padding:20px}.curriculum>div>span{color:var(--muted);font-size:11px}.curriculum h3{margin-top:8px;font-size:17px}.detail-panel form>.button{width:100%;margin-top:23px}.workspace{min-width:0}.workspace>div,.workspace>p,.workspace>pre{margin-top:20px}.workspace iframe{display:none}.workspace-layout{grid-template-columns:180px minmax(0,1fr);gap:20px;display:grid}.workspace-layout>div{min-width:0}.workspace-layout>div:first-child{align-content:start;gap:14px;display:grid}.workspace-button{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--soft);color:var(--ink);transition:all var(--transition-fast);padding:10px 14px;font-size:12px;font-weight:500}.workspace-button:hover{border-color:var(--accent);color:var(--accent)}.workspace-button:disabled{opacity:.45;cursor:default}.lesson-media{justify-items:start;gap:16px;margin:28px 0;display:grid}.lesson-media video,.lesson-media iframe{aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--radius-lg);background:#050b16;width:100%}.lesson-media audio{width:100%}.lesson-media img{object-fit:contain;border-radius:var(--radius-lg);max-width:100%;max-height:600px}.lesson-resources{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);margin:32px 0;padding:24px}.lesson-resources ul{padding:0;list-style:none}.lesson-resources li+li{border-top:1px solid var(--line-subtle);margin-top:15px;padding-top:15px}.lesson-resources a{transition:color var(--transition-fast);flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.lesson-resources a:hover{color:var(--accent)}.lesson-resources a span{color:var(--muted);font-size:12px}.media-editor{margin-top:52px}.media-editor .form-panel{align-self:start}.media-editor h3{margin-top:0}.media-editor hr{border:0;border-top:1px solid var(--line);margin:28px 0}.media-upload{gap:16px;display:grid}.media-upload input[type=file]{max-width:100%;font-size:13px}.resource-management form{justify-content:space-between;align-items:center;gap:16px;padding:12px 0;display:flex}.resource-management span{overflow-wrap:anywhere}.workspace-field{border:1px solid var(--line);background:var(--field);width:100%;color:var(--ink);transition:border-color var(--transition-fast);border-radius:6px;padding:10px;font-size:12px}.workspace-field:focus{border-color:var(--accent);outline:none}.workspace label{font-size:12px;font-weight:500;display:block}.workspace label input,.workspace label select,.workspace label textarea{margin-top:7px;display:block}.workspace input[type=file]{max-width:100%;font-size:10px}.workspace .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.workspace .flex{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.workspace .text-xs{color:var(--muted);font-size:11px}.workspace .text-sm{font-size:13px}.workspace .space-y-2>*+*{margin-top:10px}.workspace pre[aria-label]{white-space:pre-wrap;overflow-wrap:anywhere;color:#d8e5f3;border-radius:var(--radius-md);background:#050b16;min-height:110px;max-height:300px;padding:18px;font-family:JetBrains Mono,Fira Code,monospace;font-size:13px;overflow:auto}.workspace .cm-editor{border:1px solid var(--line);border-radius:var(--radius-sm)}.workspace .cm-content{white-space:pre!important}.workspace h3{font-size:21px}.dash-stats{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;margin-block:28px;display:grid}.dash-stat{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:24px}.dash-stat strong{color:var(--accent);font-size:32px;line-height:1.1;display:block}.dash-stat span{color:var(--muted);font-size:13px}.dash-section{margin-top:40px}.dash-section>h2{margin-bottom:18px;font-size:24px}.dash-courses{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.dash-course-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:24px}.dash-course-card h3{margin-bottom:10px;font-size:18px}.dash-course-card p{color:var(--muted);margin-bottom:12px;font-size:13px}.dash-course-card progress{width:100%;height:6px;accent-color:var(--accent)}.dash-course-footer{justify-content:space-between;align-items:center;margin-top:14px;font-size:13px;display:flex}.dash-certs{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.dash-cert-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:24px;display:block}.dash-cert-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md)}.dash-cert-card h3{margin:10px 0 6px;font-size:17px}.dash-cert-card p{color:var(--muted);font-size:13px}.cert-mini-badge{background:var(--accent-glow);color:var(--accent);border-radius:20px;padding:3px 10px;font-size:11px;font-weight:600;display:inline-block}.dash-activity{gap:4px;display:grid}.dash-activity-row{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);transition:border-color var(--transition-fast);justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;display:flex}.dash-activity-row:hover{border-color:var(--accent)}.dash-activity-row small{color:var(--muted);white-space:nowrap;font-size:12px}.cert-badge{background:var(--accent-glow);color:var(--accent);transition:background var(--transition-fast);border-radius:20px;margin-top:8px;padding:4px 12px;font-size:12px;font-weight:600;display:inline-block}.cert-badge:hover{background:var(--accent);color:#fff}.certificate-frame{justify-content:center;margin-top:20px;padding:40px 20px;display:flex}.certificate{text-align:center;background:var(--panel);border:3px solid var(--accent);border-radius:var(--radius-lg);width:100%;max-width:780px;box-shadow:var(--shadow-md);padding:60px 50px;position:relative}.certificate:before,.certificate:after{content:"";border:1px solid var(--line);border-radius:var(--radius-lg);position:absolute}.certificate:before{inset:8px}.certificate:after{opacity:.4;border-style:dashed;inset:14px}.cert-header{margin-bottom:36px}.cert-logo{letter-spacing:-.5px;font-size:22px;font-weight:700}.cert-logo span{color:var(--accent)}.cert-header h1{letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-top:16px;font-size:28px}.cert-body{margin-bottom:40px}.cert-label{color:var(--muted);margin:10px 0 4px;font-size:13px}.cert-name{color:var(--ink);margin:8px 0;font-size:36px}.cert-course{color:var(--accent);margin:8px 0;font-size:22px}.cert-level{color:var(--muted);text-transform:capitalize;font-size:14px}.cert-footer{border-top:1px solid var(--line);justify-content:space-around;gap:40px;padding-top:30px;display:flex}.cert-date,.cert-instructor{font-size:16px;font-weight:600}.cert-id{color:var(--muted);word-break:break-all;margin-top:28px;font-family:JetBrains Mono,monospace;font-size:11px}.cert-actions{justify-content:center;align-items:center;gap:20px;margin-top:28px;display:flex}@media print{.site-header,.cert-actions,.site-footer{display:none!important}.certificate-frame{padding:0}.certificate{box-shadow:none;border-color:#1a73e8}.page-section{padding:0}}.course-reviews{margin-top:40px}.course-reviews h2{align-items:baseline;gap:14px;font-size:24px;display:flex}.review-avg{color:var(--muted);font-size:14px;font-weight:400}.review-stars-summary{color:var(--accent);margin-bottom:20px;font-size:28px}.review-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);gap:16px;margin-block:20px;padding:24px;display:grid}.review-form label{gap:6px;font-size:13px;font-weight:600;display:grid}.review-form select,.review-form textarea{border:1px solid var(--line);background:var(--field);width:100%;color:var(--ink);border-radius:var(--radius-sm);font:inherit;padding:10px 14px;font-size:14px}.review-form select:focus,.review-form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.review-list{margin-top:20px}.review-item{border-top:1px solid var(--line-subtle);padding:20px 0}.review-header{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.review-header strong{font-size:15px}.review-stars{color:var(--accent);font-size:14px}.review-header time{color:var(--muted);font-size:12px}.review-item p{color:var(--ink);margin-top:8px;font-size:14px}@media (max-width:850px){.auth-page{gap:35px}.classroom{grid-template-columns:220px minmax(0,1fr);gap:25px}.workspace-layout{grid-template-columns:1fr}.workspace-layout>div:first-child{grid-template-columns:1fr 1fr}.editor-grid{grid-template-columns:1fr}.student-heading{align-items:start}.student-heading h1{font-size:36px}}@media (max-width:640px){.auth-page,.classroom{grid-template-columns:1fr}.auth-intro{padding-top:0}.form-panel,.practice-panel,.discussion-panel{padding:22px}.student-heading{display:block}.student-heading>.button{margin-top:24px}.student-nav{flex-wrap:wrap;gap:17px}.student-nav form{margin-left:0}.studio-list article{display:block}.studio-list article>.button{margin-top:20px}.lesson-sidebar{max-height:280px;position:static}.lesson-main h1{font-size:30px}.lesson-controls{flex-wrap:wrap}.workspace .grid,.workspace-layout>div:first-child{grid-template-columns:1fr}.lesson-text{font-size:15px}.dash-stats{grid-template-columns:repeat(2,1fr)}.certificate{padding:36px 24px}.cert-name{font-size:26px}.cert-header h1{letter-spacing:1px;font-size:20px}.cert-footer{flex-direction:column;gap:20px}.cert-actions{flex-direction:column}}
.learning-room{width:min(1500px,100% - 48px);padding-bottom:45px}.path-home-link{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);justify-content:space-between;align-items:center;gap:30px;margin-block:36px 60px;padding:30px 34px;display:flex}.path-home-link:hover{border-color:color-mix(in srgb, var(--accent) 25%, var(--line));box-shadow:var(--shadow-md)}.path-home-link h2{margin:6px 0;font-size:24px}.path-home-link p:not(.eyebrow){max-width:620px;color:var(--muted);font-size:14px}.project-list{gap:18px;max-width:1000px;margin-top:30px;display:grid}.project-list>article{min-width:0}.legacy-results{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);max-width:1000px;margin-top:28px;overflow:hidden}.legacy-result-row{border-bottom:1px solid var(--line-subtle);grid-template-columns:minmax(200px,2fr) repeat(3,minmax(110px,1fr));align-items:center;gap:16px;padding:16px 22px;font-size:13px;display:grid}.legacy-result-row:last-child{border-bottom:0}.legacy-result-header{background:var(--soft);color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700}.legacy-result-row small{color:var(--muted);font-size:11px;display:block}.learner-project form,.project-review-form{gap:17px;display:grid}.learner-project form{margin-block:24px}.learner-project form label,.project-review-form label{gap:7px;font-size:14px;font-weight:600;display:grid}.learner-project form textarea,.learner-project form input,.project-review-form textarea,.project-review-form input{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--field);width:100%;color:var(--ink);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:12px}.learner-project form textarea:focus,.learner-project form input:focus,.project-review-form textarea:focus,.project-review-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.learner-project form small,.project-review-form small{color:var(--muted);font-weight:400}.project-brief{border-radius:var(--radius-md);background:var(--soft);white-space:pre-wrap;border-left:3px solid var(--accent);margin-block:18px;padding:20px}.project-brief p{margin-block:4px}.project-history{border-top:1px solid var(--line);margin-top:18px;padding-top:14px}.project-history>article{border-bottom:1px solid var(--line-subtle);margin-top:14px;padding:15px 0}.project-history pre,.project-response{border-radius:var(--radius-sm);background:var(--soft);white-space:pre-wrap;overflow-wrap:anywhere;max-height:600px;font:inherit;padding:18px;overflow:auto}.project-history a,.project-list a:not(.button){color:var(--accent)}.review-feedback{border-left:3px solid var(--accent);background:var(--soft);white-space:pre-wrap;border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px}.lesson-tutor{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow-sm);gap:12px;margin-block:28px;padding:24px;display:grid}.lesson-tutor h2{margin:-5px 0 0;font-size:21px}.lesson-tutor>p:not(.eyebrow){max-width:760px;color:var(--muted);font-size:12px}.lesson-tutor form{justify-items:start;gap:9px;display:grid}.lesson-tutor form label{font-size:13px;font-weight:600}.lesson-tutor form textarea{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--field);width:100%;min-height:90px;color:var(--ink);transition:border-color var(--transition-fast);padding:12px}.lesson-tutor form textarea:focus{border-color:var(--accent);outline:none}.tutor-turns{gap:10px;display:grid}.tutor-turns article{border:1px solid var(--line-subtle);border-radius:var(--radius-sm);background:var(--soft);overflow-wrap:anywhere;padding:16px}.tutor-answer{white-space:pre-wrap;margin-top:8px}.tutor-source a{color:var(--accent);font-size:12px}.project-review-layout{grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);align-items:start;gap:22px;margin-block:28px;display:grid}.project-review-form>label+label{margin-top:8px}.project-response{margin-top:20px}.path-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:32px;display:grid}.path-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);min-width:0;box-shadow:var(--shadow-sm);transition:all var(--transition-smooth);flex-direction:column;align-items:flex-start;gap:12px;padding:28px;display:flex}.path-card:hover{border-color:color-mix(in srgb, var(--accent) 30%, var(--line));box-shadow:var(--shadow-md);transform:translateY(-3px)}.path-card h2{margin:0;font-size:24px;line-height:1.25}.path-card>p:not(.eyebrow){color:var(--muted);margin:0;font-size:14px}.path-card>.text-link{margin-top:auto;padding-top:8px}.path-source-note,.path-catalogue-link{color:var(--muted);margin-top:18px;font-size:13px}.path-catalogue-link a{color:var(--accent);font-weight:600}.path-eyebrow{margin-top:30px}.path-outcome{border-left:3px solid var(--accent);background:var(--soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;max-width:860px;margin-block:27px 34px;padding:22px 26px}.path-outcome strong{font-size:13px}.path-outcome p{color:var(--muted);margin-top:5px}.path-progress{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);max-width:920px;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;gap:25px;margin-block:30px;padding:24px 28px;display:flex}.path-progress-copy{flex:1;min-width:0}.path-progress h2{margin:5px 0;font-size:20px}.path-progress-copy>p:not(.eyebrow){color:var(--muted);font-size:13px}.path-progress progress,.path-stage-learning progress{width:100%;height:6px;accent-color:var(--accent);margin-block:9px;display:block}.path-progress small{color:var(--muted);font-size:11px}.path-stages{counter-reset:stage;gap:12px;max-width:920px;margin:0;padding:0;list-style:none;display:grid}.path-stage{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);grid-template-columns:52px minmax(0,1fr);align-items:start;gap:16px;padding:24px;display:grid}.path-stage:hover{box-shadow:var(--shadow-sm)}.path-stage-number{background:var(--soft);width:42px;height:42px;color:var(--muted);border-radius:50%;place-items:center;font-family:JetBrains Mono,monospace;font-size:14px;font-weight:600;display:grid}.path-stage.is-available .path-stage-number{background:var(--accent-glow-strong);color:var(--accent)}.path-stage-status{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:11px;font-weight:700}.path-stage.is-available .path-stage-status{color:var(--accent)}.path-stage h2{margin:4px 0 5px;font-size:19px;line-height:1.35}.path-stage-body>p{color:var(--muted);margin:0;font-size:14px}.path-course-level{color:var(--muted);text-transform:capitalize;margin-top:9px;font-size:12px;display:inline-block}.path-stage-learning{border-top:1px solid var(--line-subtle);justify-items:start;max-width:420px;margin-top:12px;padding-top:10px;display:grid}.path-stage-learning p,.path-stage-learning a,.path-stage-learning span{font-size:12px}.path-stage-learning a{color:var(--accent);font-weight:600}.path-available-courses{margin-block:40px 24px}.path-available-courses>h2{margin-bottom:20px;font-size:24px}.resume-card{border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow-md);grid-template-columns:minmax(0,1fr) 220px;align-items:center;gap:30px;padding:36px;display:grid;position:relative;overflow:hidden}.resume-card:after{content:"";background:radial-gradient(ellipse at right, var(--accent-glow), transparent 70%);pointer-events:none;width:40%;height:100%;position:absolute;top:0;right:0}.resume-card h2{margin:10px 0 20px;font-size:30px}.resume-card .resume-course{color:var(--ink);margin-bottom:7px;font-size:17px;font-weight:600}.resume-card .button{margin-top:22px}.resume-progress{border-left:1px solid var(--line);z-index:1;padding:24px;position:relative}.resume-progress strong{letter-spacing:-.05em;color:var(--accent);font-size:52px;font-weight:800}.resume-progress strong span{margin-left:3px;font-size:22px;font-weight:700}.resume-progress p{font-size:12px}.resume-progress progress{width:100%;height:6px;accent-color:var(--accent);border-radius:3px}.learning-summary{border-bottom:1px solid var(--line);color:var(--muted);flex-wrap:wrap;gap:36px;margin:28px 0 38px;padding-block:20px;font-size:13px;font-weight:500;display:flex}.learning-summary strong{color:var(--ink);margin-right:5px;font-size:22px;font-weight:700}.review-suggestions{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-lg);grid-template-columns:1fr 1fr;gap:35px;margin:30px 0;padding:30px;display:grid}.review-suggestions h2{margin:10px 0;font-size:24px}.review-suggestions p{font-size:13px}.review-suggestions a{border-bottom:1px solid var(--line-subtle);transition:color var(--transition-fast);justify-content:space-between;align-items:center;gap:16px;padding:14px 0;font-size:14px;font-weight:500;display:flex}.review-suggestions a:hover{color:var(--accent)}.review-suggestions small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.course-roadmap{border-top:1px solid var(--line-subtle);margin-top:20px;padding-top:18px;font-size:12px}.course-roadmap summary{cursor:pointer;color:var(--accent);transition:opacity var(--transition-fast);font-weight:600}.course-roadmap summary:hover{opacity:.8}.course-roadmap ol{margin:14px 0 0;padding:0;list-style:none}.course-roadmap li{border-bottom:1px solid var(--line-subtle);padding-block:10px}.course-roadmap small{color:var(--muted);font-size:10px;display:block}.learning-search select{border:1px solid var(--line);background:var(--field);max-width:160px;color:var(--ink);border-radius:var(--radius-sm);transition:border-color var(--transition-fast);padding:10px;font-size:13px}.learning-search select:focus{border-color:var(--accent);outline:none}.coding-task{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-md);margin-top:20px;padding:22px}.coding-task .task-prompt{color:var(--ink);white-space:pre-wrap;margin-block:12px;font-size:14px}.coding-task summary,.workspace-tools summary,.workspace-run-settings summary{cursor:pointer;color:var(--accent);font-size:12px;font-weight:600}.coding-task pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);border-radius:var(--radius-sm);padding:16px;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px}.practice-hints{margin-top:18px}.practice-hints ol{color:var(--muted);padding-left:18px;font-size:13px}.practice-hints li{white-space:pre-wrap;margin-bottom:12px}.practice-feedback{border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--accent-glow);margin-block:20px;padding:18px}.practice-feedback strong{color:var(--accent);font-size:13px}.practice-feedback p{margin-top:8px;font-size:13px}.practice-feedback small{color:var(--muted);font-size:10px}.workspace-tools{border-bottom:1px solid var(--line);padding-bottom:15px}.workspace-tools>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding-top:20px;display:grid}.workspace-tools label,.workspace-tools form{min-width:0}.workspace-tools input[type=file]{width:100%}.workspace-tools button{justify-self:start}.workspace-run-settings{padding-block:18px}.workspace-run-settings>div{gap:15px;padding-top:15px;display:grid}body:has(.learning-room) .site-footer{display:none}.classroom-toolbar{border-bottom:1px solid var(--line);align-items:center;gap:20px;padding-block:16px;display:flex}.classroom-toolbar>span{color:var(--muted);letter-spacing:.1em;font:10px JetBrains Mono,monospace}.panel-size{color:var(--muted);align-items:center;gap:14px;margin-left:auto;font-size:11px;display:flex}.panel-size input{width:100px;accent-color:var(--accent)}.classroom-outline{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-md);margin-top:18px;padding:26px}.outline-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;display:flex}.outline-heading h2{font-size:20px}.outline-heading>span{color:var(--muted);font-size:12px;font-weight:500}.classroom-outline nav{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:25px;display:grid}.classroom-outline h3{margin-bottom:13px;font-size:15px;font-weight:600}.classroom-outline a,.locked-lesson{border-top:1px solid var(--line-subtle);transition:color var(--transition-fast);gap:10px;padding-block:10px;font-size:13px;display:flex}.classroom-outline a:hover{color:var(--accent)}.classroom-outline a[aria-current=page]{color:var(--accent);font-weight:700}.locked-lesson{color:var(--muted);display:block}.locked-lesson small{font-size:10px;display:block}.classroom-heading{padding-block:24px}.lesson-breadcrumb{color:var(--muted);gap:12px;margin-bottom:24px;font-size:12px;font-weight:500;display:flex}.lesson-breadcrumb a{transition:color var(--transition-fast)}.lesson-breadcrumb a:hover{color:var(--accent)}.lesson-heading-row{justify-content:space-between;align-items:center;gap:30px;display:flex}.lesson-heading-row h1{margin-top:9px;font-size:clamp(26px,3vw,39px)}.lesson-progress{width:170px;color:var(--muted);flex-shrink:0;font-size:11px;font-weight:500}.lesson-progress progress{width:100%;height:6px;accent-color:var(--accent)}.classroom-tabs{display:none}.classroom-panels{grid-template-columns:minmax(0,1fr);align-items:start;gap:24px;display:grid}.classroom-panels.has-practice{grid-template-columns:minmax(0, var(--reading-width)) minmax(0, 1fr)}.classroom-reading{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);min-width:0;box-shadow:var(--shadow-sm);padding:30px 34px}.classroom-reading>.lesson-text>:first-child{margin-top:0}.classroom-reading .lesson-text{font-size:15px}.classroom-practice{min-width:0}.classroom-practice>.practice-panel:first-child{margin-top:0}.classroom-practice .workspace-layout{grid-template-columns:minmax(0,1fr)}.classroom-practice .workspace-layout>div:first-child{grid-template-columns:repeat(2,minmax(0,1fr))}.classroom-practice .practice-panel{padding:24px}.classroom-completion{border:1px solid var(--line);background:var(--soft);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;gap:25px;margin-top:24px;padding:26px;display:flex}.classroom-completion p{font-size:13px}.completion-actions,.completion-actions form{flex-wrap:wrap;align-items:center;gap:15px;display:flex}.completion-actions .button{padding:11px 16px;font-size:12px}.classroom-extras{grid-template-columns:1fr 1fr;gap:24px;margin-top:24px;display:grid}.classroom-extras>section{min-width:0}.classroom-extras details{border:1px solid var(--line);border-radius:var(--radius-md);padding:22px}.classroom-extras summary{cursor:pointer;transition:color var(--transition-fast);font-size:14px;font-weight:600}.classroom-extras summary:hover{color:var(--accent)}.classroom-extras .discussion-panel,.classroom-extras .lesson-resources{box-shadow:none;border:0;margin:20px 0 0;padding:0}.course-detail>div{min-width:0}.course-detail .detail-panel{position:sticky;top:100px}.course-facts{flex-wrap:wrap;gap:9px;margin:25px 0;display:flex}.course-facts span{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-sm);text-transform:capitalize;padding:6px 14px;font-size:12px;font-weight:500}.course-overview,.course-project,.public-sample{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow-sm);margin-block:35px;padding:30px}.course-overview h2,.course-project h2,.public-sample h2{margin:8px 0 22px;font-size:26px}.outcome-list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.outcome-list li{gap:14px;font-size:14px;line-height:1.6;display:flex}.outcome-list li>span{color:var(--accent);font-size:16px}.course-fit{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;padding-block:10px;display:grid}.course-fit h2{margin-bottom:15px;font-size:20px}.course-fit p,.course-fit li{color:var(--muted);font-size:14px;line-height:1.7}.course-fit ul{margin:0;padding-left:18px}.course-project{background:var(--soft);border-left:3px solid var(--accent);border-radius:0 var(--radius-lg) var(--radius-lg) 0}.course-project p,.public-sample>p:last-child,.course-fit p{white-space:pre-wrap;overflow-wrap:anywhere}.curriculum-group{border:1px solid var(--line);border-radius:var(--radius-md);margin-top:12px;overflow:hidden}.curriculum-group summary{cursor:pointer;background:var(--soft);transition:background var(--transition-fast);justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;display:flex}.curriculum-group summary:hover{background:var(--surface)}.curriculum-group summary small{letter-spacing:.08em;color:var(--accent);margin-bottom:6px;font-size:10px;font-weight:600;display:block}.curriculum-group summary>span:last-child{white-space:nowrap;color:var(--muted);font-size:12px;font-weight:500}.curriculum-group ol{margin:0;padding:0 24px;list-style:none}.curriculum-group li{justify-content:space-between;align-items:center;gap:15px;padding:16px 0;font-size:14px;display:flex}.curriculum-group li+li{border-top:1px solid var(--line-subtle)}.curriculum-group li small{white-space:nowrap;color:var(--muted);font-size:11px}.course-profile-editor{max-width:850px;margin-top:32px}.academy-home .hero{gap:64px;padding-block:80px}.academy-home .hero h1{font-size:clamp(42px,5vw,68px);line-height:1.06}.academy-home .hero-copy{max-width:500px;font-size:17px;line-height:1.8}.hero-return{color:#c0c8e4;font-weight:500}.course-cover{height:auto}.course-grid-single{grid-template-columns:minmax(0,850px)}.course-grid-single .course-card{grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.course-grid-single .course-card>a{background:#0c1424;align-items:center;display:flex}.course-grid-single .course-cover{object-fit:contain}.sample-practice{border-radius:var(--radius-xl);min-width:0;box-shadow:var(--shadow-xl), 0 0 80px #818cf80a;transition:transform var(--transition-smooth);background:#0e0d20;border:1px solid #2a2860;transform:rotate(.8deg)}.sample-practice:hover{transform:rotate(0)translateY(-2px)}.sample-toolbar{color:#9498c0;border-bottom:1px solid #1c1a3e;justify-content:space-between;align-items:center;gap:12px;padding:16px 24px;font-size:11px;font-weight:500;display:flex}.sample-toolbar>span:first-child{letter-spacing:.08em;align-items:center;gap:10px;font-size:10px;display:flex}.sample-content{padding:28px}.sample-content>.eyebrow{color:#818cf8;font-size:10px}.sample-content h2{margin:7px 0 12px;font-size:26px}.sample-content p{color:#9498c0;font-size:13px}.sample-content pre{border-radius:var(--radius-md);color:#d6e3f3;background:#08081a;border:1px solid #1c1a3e;padding:22px;font-family:JetBrains Mono,Fira Code,monospace;font-size:13px;line-height:2;overflow:auto}.sample-content fieldset{border:0;min-width:0;margin:18px 0;padding:0}.sample-content legend{margin-bottom:12px;font-size:13px;font-weight:600}.sample-choices{gap:10px;display:flex}.sample-choices label{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:1px solid #2a2860;flex:1;justify-content:center;align-items:center;gap:9px;padding:12px;font-family:JetBrains Mono,monospace;display:flex}.sample-choices label:hover{background:#818cf80a;border-color:#4a4080}.sample-choices label:has(input:checked){background:#818cf814;border-color:#818cf8;box-shadow:0 0 15px #818cf81a}.sample-choices input{accent-color:#818cf8}.sample-content .button{width:100%}.sample-feedback{color:#9498c0;min-height:48px;margin-top:18px;font-size:12px;line-height:1.7}.sample-feedback.is-correct,.sample-content>.text-link{color:#818cf8}.starting-section{padding-block:72px}.section-index{color:var(--muted);white-space:nowrap;font-family:JetBrains Mono,monospace;font-size:11px;font-weight:500}.starting-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.starting-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:all var(--transition-smooth);flex-direction:column;padding:28px;display:flex}.starting-card:hover{border-color:color-mix(in srgb, var(--accent) 30%, var(--line));box-shadow:var(--shadow-md);transform:translateY(-3px)}.starting-card-top{align-items:center;gap:14px;margin-bottom:24px;display:flex}.starting-card-top .eyebrow{color:var(--muted);font-size:9px}.starting-card h3{font-size:23px}.starting-card p{margin:14px 0;font-size:14px;line-height:1.7}.starting-card small{color:var(--muted);margin-bottom:24px;font-size:11px;font-weight:500}.starting-card>a{border-top:1px solid var(--line);justify-content:space-between;margin-top:auto;padding-top:18px}.starting-card:nth-child(2) .feature-icon{color:#ae9cf2;background:#8372d514;border-color:#8372d533}.starting-card:nth-child(3) .feature-icon{color:#dbaa59;background:#c3944314;border-color:#c3944333}html[data-theme=light] .starting-card:nth-child(2) .feature-icon{color:#6652b0}html[data-theme=light] .starting-card:nth-child(3) .feature-icon{color:#87601b}.catalogue-surface{background:var(--soft);border-block:1px solid var(--line)}.academy-home .home-search{margin-bottom:28px}.course-grid .course-card{flex-direction:column;display:flex}.course-grid .course-body{flex-direction:column;flex:1;display:flex}.course-grid .card-bottom{margin-top:auto}.course-grid .instructor{margin-bottom:18px}.learning-method{border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;gap:85px;padding-block:80px;display:grid}.learning-method h2{margin:13px 0 22px;font-size:clamp(30px,3vw,42px)}.learning-method>div>p:not(.eyebrow){max-width:420px;line-height:1.7}.learning-method .text-link{margin-top:25px}.method-steps{margin:0;padding:0;list-style:none}.method-steps li{border-bottom:1px solid var(--line-subtle);gap:24px;padding-block:24px;display:flex}.method-steps li:first-child{padding-top:0}.method-steps li:last-child{border:0;padding-bottom:0}.method-steps li>span{color:var(--accent);padding-top:4px;font:600 13px JetBrains Mono,monospace}.method-steps h3{margin-bottom:10px;font-size:20px}.method-steps p{font-size:14px;line-height:1.7}@media (max-width:1000px){.academy-home .hero{gap:32px}.sample-content,.starting-card{padding:22px}.starting-card-top{flex-direction:column;align-items:flex-start}.classroom-panels.has-practice{grid-template-columns:minmax(0,1fr)}.panel-size{display:none}}@media (max-width:760px){.academy-home .hero{gap:36px;padding-block:44px}.sample-practice{transform:none}.sample-toolbar{padding:14px 18px}.sample-content pre{padding:16px;font-size:12px}.starting-grid{grid-template-columns:1fr}.starting-section{padding-block:48px}.section-index{display:none}.starting-card-top{flex-direction:row;align-items:center;margin-bottom:18px}.learning-method{grid-template-columns:1fr;gap:35px;padding-block:48px}.learning-room{width:calc(100% - 28px)}.classroom-toolbar>span{display:none}.classroom-heading{padding-block:22px}.lesson-heading-row{display:block}.lesson-progress{width:100%;margin-top:20px}.lesson-breadcrumb{flex-wrap:wrap;gap:7px}.classroom-tabs{gap:5px;padding-bottom:14px;display:flex;overflow-x:auto}.classroom-tabs button{border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:var(--radius-sm);transition:all var(--transition-fast);flex:1;padding:10px 7px;font-size:12px;font-weight:500}.classroom-tabs button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.mobile-pane:not(.is-active){display:none}.classroom-panels{gap:0}.classroom-reading{padding:22px}.classroom-practice .practice-panel{padding:20px}.classroom-extras{margin-top:14px;display:block}.classroom-completion{flex-direction:column;align-items:stretch;padding:22px}.completion-actions form{gap:10px}.outline-heading{display:block}.course-grid-single .course-card{display:flex}.nav-actions .button{white-space:nowrap;gap:6px}.header-inner .brand{font-size:15px}.path-card-grid{grid-template-columns:1fr}.resume-card{grid-template-columns:1fr;gap:20px;padding:26px}.resume-progress{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.resume-progress strong{font-size:36px}.learning-summary{gap:18px}.review-suggestions{grid-template-columns:1fr;gap:15px;padding:22px}.learning-search{flex-wrap:wrap}.learning-search input{flex-basis:100%}.learning-search select{flex:1;max-width:none}.project-review-layout{grid-template-columns:minmax(0,1fr)}.course-fit{grid-template-columns:1fr}.course-detail .detail-panel{position:static}.curriculum-group summary,.curriculum-group li{flex-wrap:wrap}.path-home-link{flex-direction:column;align-items:flex-start;gap:14px;padding:24px}.path-stage{grid-template-columns:38px minmax(0,1fr);gap:11px;padding:18px}.path-stage-number{width:34px;height:34px}.path-stage h2{font-size:17px}.path-progress{flex-direction:column;align-items:flex-start;padding:22px}}@media (max-width:650px){.legacy-result-row{grid-template-columns:minmax(0,1fr) minmax(70px,.7fr);gap:8px 12px;padding:14px}.legacy-result-header{display:none}.legacy-result-row>:nth-child(3):before{content:"Status: ";font-weight:600}.legacy-result-row>:nth-child(4):before{content:"Date: ";font-weight:600}}.hero .button.secondary{color:var(--ink);border-color:color-mix(in srgb, var(--accent) 35%, var(--line));box-shadow:none;background:0 0}.hero .button.secondary:hover{background:var(--accent-glow);color:var(--accent)}.stat-strip{border:1px solid var(--line);border-radius:0 0 var(--radius-lg) var(--radius-lg);background:var(--panel);border-top:0;grid-template-columns:repeat(4,minmax(0,1fr));margin-block:-1px 0;display:grid}.stat-strip>div{gap:2px;padding:22px 26px;display:grid}.stat-strip>div+div{border-left:1px solid var(--line-subtle)}.stat-strip strong{letter-spacing:-.03em;background:linear-gradient(135deg, var(--accent), #c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:30px;font-weight:800;line-height:1.1}.stat-strip span{color:var(--muted);font-size:12px}.roadmap-section{padding-block:80px 72px}.roadmap{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid;position:relative}.roadmap:before{content:"";background:linear-gradient(90deg, var(--accent), #c084fc 60%, var(--line));opacity:.5;height:2px;position:absolute;top:21px;left:21px;right:21px}.roadmap-step{flex-direction:column;gap:8px;min-width:0;display:flex;position:relative}.roadmap-dot{z-index:1;border:1px solid var(--line);background:var(--panel);width:44px;height:44px;color:var(--muted);border-radius:50%;place-items:center;font-family:JetBrains Mono,monospace;font-size:13px;font-weight:600;display:grid;position:relative}.roadmap-step.is-open .roadmap-dot{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 5px var(--bg), 0 0 18px var(--accent-glow-strong)}.roadmap-status{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-top:8px;font-size:10px;font-weight:700}.roadmap-step.is-open .roadmap-status{color:var(--accent)}.roadmap-step h3{font-size:16px;line-height:1.35}.roadmap-step p{font-size:13px;line-height:1.6}.frontier-surface{border-block:1px solid var(--line);background:radial-gradient(700px 300px at 85% 0%, var(--accent-glow-strong), transparent 70%), radial-gradient(500px 260px at 0% 100%, #c084fc14, transparent 70%), var(--soft)}.frontier-section{padding-block:72px}.track-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px;display:grid}.track-grid-compact{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:0}.track-tile{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);min-width:0;transition:all var(--transition-smooth);flex-direction:column;gap:8px;padding:22px;display:flex}.track-tile:hover{color:inherit;border-color:color-mix(in srgb, var(--accent) 40%, var(--line));box-shadow:var(--shadow-md), 0 0 30px var(--accent-glow);transform:translateY(-3px)}.track-tile .feature-icon{width:40px;height:40px;margin-bottom:6px}.track-tile strong{font-size:16px;line-height:1.3}.track-tile small{color:var(--muted);margin-top:auto;font-size:12px}.track-kicker{color:var(--accent);letter-spacing:.1em;text-transform:uppercase;font-size:10px;font-weight:700}.track-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);min-width:0;box-shadow:var(--shadow-sm);transition:all var(--transition-smooth);flex-direction:column;gap:12px;padding:28px;display:flex}.track-card:hover{border-color:color-mix(in srgb, var(--accent) 30%, var(--line));box-shadow:var(--shadow-md)}.track-card-top{align-items:center;gap:12px;display:flex}.track-level{background:var(--soft);color:var(--muted);border-radius:6px;margin-left:auto;padding:3px 10px;font-size:11px;font-weight:600}.track-card h2{font-size:22px;line-height:1.3}.track-card>p{font-size:14px}.track-card-bottom{border-top:1px solid var(--line-subtle);justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:14px;display:flex}.track-status{color:var(--muted);font-size:12px;font-weight:600}.track-status.is-open{color:var(--accent)}.chip-list{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.chip-list li,.filter-chip{border:1px solid var(--line);background:var(--soft);color:var(--muted);border-radius:999px;padding:5px 12px;font-size:12px;font-weight:500;line-height:1.5}.chip-links a:hover{color:var(--accent)}.filter-chip{cursor:pointer;transition:all var(--transition-fast)}.filter-chip:hover{border-color:var(--accent);color:var(--accent)}.filter-chip[aria-pressed=true],.filter-chip[aria-current]{border-color:var(--accent);background:var(--accent-glow-strong);color:var(--accent)}.topic-chips{flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;display:flex}.topic-chips>span{color:var(--muted);margin-right:4px;font-size:12px;font-weight:600}.topic-header{align-items:center;gap:18px;margin-top:26px;display:flex}.topic-header .feature-icon{width:58px;height:58px}.topic-header h1{margin:2px 0 0}.topic-header+.lede{margin-top:18px}.topic-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:1000px;display:grid}.topic-columns>section,.topic-section{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);min-width:0;padding:26px}.topic-section{max-width:1000px;margin-top:24px}.topic-section .course-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.topic-columns h2,.topic-section h2{margin-bottom:16px;font-size:20px}.concept-list{color:var(--ink);gap:10px;margin:0;padding-left:20px;font-size:14px;display:grid}.concept-list li::marker{color:var(--accent);font-weight:700}.skill-list{gap:10px;margin:0;padding:0;font-size:14px;list-style:none;display:grid}.skill-list li{align-items:baseline;gap:10px;display:flex}.skill-list svg{color:var(--accent);position:relative;top:3px}.reading-list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.reading-list li{border-left:2px solid var(--accent-glow-strong);gap:2px;padding-left:14px;display:grid}.reading-list a{color:var(--ink);font-size:14px;font-weight:600}.reading-list a:hover{color:var(--accent)}.reading-list span{color:var(--muted);font-size:12px}.planned-course{max-width:620px;margin-top:16px}.planned-course h3{margin-top:4px;font-size:17px}.labs-section{grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:24px;padding-block:80px 40px;display:grid}.labs-section>.section-heading{grid-column:1/-1;margin-bottom:8px}.labs-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.lab-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);flex-direction:column;gap:10px;padding:24px;display:flex}.lab-card h3{margin-top:6px;font-size:17px}.lab-card p{font-size:13px;line-height:1.65}.term-card{border:1px solid color-mix(in srgb, var(--accent) 30%, var(--line));border-radius:var(--radius-lg);background:radial-gradient(400px 220px at 100% 0%, var(--accent-glow-strong), transparent 70%), var(--panel);flex-direction:column;gap:12px;padding:30px;display:flex}.term-card h3{letter-spacing:-.03em;font-size:28px}.term-card p:not(.eyebrow){font-size:14px;line-height:1.7}.term-card .text-link{margin-top:auto}.path-mini-roadmap{gap:8px;width:100%;margin:4px 0 0;padding:0;list-style:none;display:grid}.path-mini-roadmap li{color:var(--muted);grid-template-columns:10px minmax(0,1fr) auto;align-items:center;gap:10px;font-size:13px;display:grid}.path-mini-roadmap li>span{border:1.5px solid var(--muted);border-radius:50%;width:8px;height:8px}.path-mini-roadmap li.is-open{color:var(--ink)}.path-mini-roadmap li.is-open>span{border-color:var(--accent);background:var(--accent)}.path-mini-roadmap small{letter-spacing:.06em;text-transform:uppercase;font-size:10px;font-weight:700}.path-mini-roadmap li.is-open small{color:var(--accent)}.glossary{max-width:1000px;margin-top:30px}.glossary-controls{gap:16px;display:grid}.filter-chips{flex-wrap:wrap;gap:8px;display:flex}.glossary-list{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);margin:0;display:grid;overflow:hidden}.glossary-item{border-bottom:1px solid var(--line-subtle);grid-template-columns:minmax(160px,1fr) minmax(0,3fr);gap:20px;padding:20px 24px;scroll-margin-top:100px;display:grid}.glossary-item:last-child{border-bottom:0}.glossary-item:target{background:var(--accent-glow)}.glossary-item dt{align-content:start;gap:4px;font-weight:700;display:grid}.glossary-item dt .glossary-category{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:11px;font-weight:600}.glossary-item dd{color:var(--muted);justify-items:start;gap:8px;margin:0;font-size:14px;line-height:1.7;display:grid}@media (max-width:1000px){.track-grid-compact{grid-template-columns:repeat(2,minmax(0,1fr))}.roadmap{grid-template-columns:1fr;gap:0}.roadmap:before{width:2px;height:auto;inset:22px auto 60px 21px}.roadmap-step:last-child{padding-bottom:0}.roadmap-step{grid-template-columns:44px minmax(0,1fr);column-gap:18px;padding-bottom:22px;display:grid}.roadmap-dot{grid-row:span 3}.roadmap-status{margin-top:2px}.labs-section{grid-template-columns:1fr}}@media (max-width:760px){.stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-strip>div:nth-child(3){border-left:0}.stat-strip>div:nth-child(n+3){border-top:1px solid var(--line-subtle)}.stat-strip>div{padding:18px}.stat-strip strong{font-size:24px}.track-grid,.topic-columns,.labs-grid{grid-template-columns:1fr}.roadmap-section,.frontier-section{padding-block:56px}.labs-section{padding-block:56px 24px}.glossary-item{grid-template-columns:1fr;gap:6px;padding:18px}.topic-columns>section,.topic-section,.track-card{padding:20px}}@media (max-width:480px){.track-grid-compact{grid-template-columns:1fr;gap:10px}.track-tile{grid-template-columns:40px minmax(0,1fr);gap:2px 14px;padding:16px;display:grid}.track-tile .feature-icon{grid-row:span 3;margin:0}}
:root{--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-spring:cubic-bezier(.34, 1.56, .64, 1);--dur-fast:.16s;--dur:.26s}h1,h2,h3{text-wrap:balance}p,li,dd{text-wrap:pretty}::selection{background:var(--accent-glow-strong);color:var(--ink)}html{scrollbar-gutter:stable}.site-header{transition:background var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out)}html[data-scrolled] .site-header{background:color-mix(in srgb, var(--bg) 90%, transparent);border-bottom-color:var(--line);box-shadow:0 10px 30px -18px #0009}html[data-theme=light][data-scrolled] .site-header{box-shadow:0 10px 30px -18px #0f172a40}.mobile-nav.is-open{animation:drop-in .24s var(--ease-out) both}@keyframes drop-in{0%{opacity:0;translate:0 -6px}}.scroll-progress{z-index:40;transform-origin:0;pointer-events:none;background:linear-gradient(90deg, var(--accent), #c084fc, #f0abfc);height:2px;display:none;position:fixed;inset:0 0 auto;transform:scaleX(0)}@supports (animation-timeline:scroll()){.scroll-progress{animation:linear both grow-x;animation-timeline:scroll(root);display:block}}@keyframes grow-x{to{transform:scaleX(1)}}.search-trigger{border:1px solid var(--line);height:38px;color:var(--muted);cursor:pointer;transition:color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur) var(--ease-out), scale .22s var(--ease-spring);background:0 0;border-radius:19px;align-items:center;gap:8px;padding:0 8px 0 12px;font-size:13px;font-weight:500;display:inline-flex}.search-trigger:hover{color:var(--ink);border-color:color-mix(in srgb, var(--accent) 45%, var(--line));box-shadow:0 0 0 4px var(--accent-glow)}kbd{border:1px solid var(--line);background:var(--soft);color:var(--muted);white-space:nowrap;border-radius:6px;padding:3px 6px;font:600 11px/1 JetBrains Mono,ui-monospace,monospace}@media (max-width:1180px){.search-label{display:none}}@media (max-width:1100px){.search-trigger{justify-content:center;width:38px;padding:0}.search-trigger kbd{display:none}}.mobile-search{display:none}@media (max-width:760px){.nav-actions .search-trigger{display:none}.mobile-nav .mobile-search{border:1px solid var(--line);background:var(--soft);color:var(--muted);text-align:left;cursor:pointer;border-radius:12px;align-items:center;gap:10px;margin-bottom:6px;padding:11px 14px;font-size:14px;font-weight:500;display:flex}}.palette-backdrop{z-index:200;-webkit-backdrop-filter:blur(6px);animation:fade-in .18s var(--ease-out) both;background:#04050c8c;place-items:start center;padding:12vh 16px 16px;display:grid;position:fixed;inset:0}html[data-theme=light] .palette-backdrop{background:#0f172a47}.palette{border:1px solid var(--line);background:var(--panel);width:min(640px,100%);max-height:min(72vh,560px);box-shadow:var(--shadow-xl), 0 0 0 1px var(--accent-glow), 0 0 60px var(--accent-glow);animation:palette-in .28s var(--ease-spring) both;border-radius:18px;flex-direction:column;display:flex;overflow:hidden}@keyframes fade-in{0%{opacity:0}}@keyframes palette-in{0%{opacity:0;translate:0 -10px;scale:.98}}.palette-input{border-bottom:1px solid var(--line);color:var(--muted);align-items:center;gap:12px;padding:14px 16px;display:flex}.palette-input input{min-width:0;color:var(--ink);background:0 0;border:0;outline:none;flex:1;font-size:16px}.palette-input input::placeholder{color:var(--muted)}.palette-list{overscroll-behavior:contain;margin:0;padding:8px;list-style:none;overflow-y:auto}.palette-list li{cursor:pointer;transition:background var(--dur-fast);border-radius:10px;grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:12px;padding:9px 12px;display:grid}.palette-list li[aria-selected=true]{background:var(--accent-glow-strong)}.palette-icon{background:var(--soft);width:32px;height:32px;color:var(--accent);transition:scale .22s var(--ease-spring);border-radius:9px;place-items:center;display:grid}.palette-list li[aria-selected=true] .palette-icon{scale:1.08}.palette-text{min-width:0}.palette-text strong,.palette-text small{white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.palette-text strong{color:var(--ink);font-size:14px;font-weight:600}.palette-text small{color:var(--muted);font-size:12px}.palette-kind{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:700}.palette-status{color:var(--muted);text-align:center;padding:18px;font-size:13px}.palette-status:empty{display:none}.palette-hint{border-top:1px solid var(--line);color:var(--muted);padding:10px 16px;font-size:11px}@media (max-width:760px){.palette-backdrop{padding-top:7vh}.palette-hint,.palette-input kbd{display:none}}@media (min-width:761px) and (max-width:1100px){.desktop-nav{display:none}.menu-toggle{display:grid}.header-inner{gap:16px}.mobile-nav.is-open{border-top:1px solid var(--line);background:color-mix(in srgb, var(--bg) 95%, transparent);-webkit-backdrop-filter:blur(12px);flex-direction:column;gap:2px;padding:12px 32px 16px;display:flex}.mobile-nav a,.mobile-nav .mobile-logout{text-align:left;padding:12px 0;font-size:14px;font-weight:500}}.button:active,.icon-button:active,.lang-toggle:active,.nav-signup:active,.filter-chip:active,.search-trigger:active{transition-duration:80ms;scale:.96}.icon-button svg{transition:rotate .5s var(--ease-spring)}.icon-button:hover svg{rotate:20deg}.menu-toggle:hover svg{rotate:none}.course-card,.track-tile,.track-card,.lab-card,.starting-card,.path-card,.term-card{isolation:isolate;transition:transform .45s var(--ease-spring), box-shadow .3s var(--ease-out), border-color .3s var(--ease-out);position:relative}.lab-card:hover,.term-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.course-card:before,.track-tile:before,.track-card:before,.lab-card:before,.starting-card:before,.path-card:before,.term-card:before{content:"";z-index:-1;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s var(--ease-out);background:radial-gradient(380px circle at var(--mx,50%) var(--my,0%), var(--accent-glow-strong), transparent 60%);position:absolute;inset:0}.course-card:after,.track-tile:after,.track-card:after,.lab-card:after,.starting-card:after,.path-card:after,.term-card:after{content:"";border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s var(--ease-out);background:radial-gradient(240px circle at var(--mx,50%) var(--my,0%), color-mix(in srgb, var(--accent) 75%, transparent), transparent 70%);-webkit-mask-composite:xor;padding:1px;position:absolute;inset:0;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor,source-over;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}@media (hover:hover) and (pointer:fine){.course-card:hover:before,.track-tile:hover:before,.track-card:hover:before,.lab-card:hover:before,.starting-card:hover:before,.path-card:hover:before,.term-card:hover:before,.course-card:hover:after,.track-tile:hover:after,.track-card:hover:after,.lab-card:hover:after,.starting-card:hover:after,.path-card:hover:after,.term-card:hover:after{opacity:1}}.course-cover{transition:scale .6s var(--ease-out)}.course-card:hover .course-cover{scale:1.035}.track-tile .feature-icon,.track-card .feature-icon,.lab-card .feature-icon{transition:scale .4s var(--ease-spring), rotate .4s var(--ease-spring), background .3s}.track-tile:hover .feature-icon,.track-card:hover .feature-icon,.lab-card:hover .feature-icon{rotate:-6deg;scale:1.08}.hero-aurora{pointer-events:none;position:absolute;inset:0;overflow:hidden}.hero-aurora span{will-change:transform;width:46vmax;height:46vmax;animation:aurora 24s var(--ease-out) infinite alternate;border-radius:50%;position:absolute}.hero-aurora span:first-child{background:radial-gradient(circle,#6366f152,#0000 62%);top:-18vmax;left:-12vmax}.hero-aurora span:nth-child(2){background:radial-gradient(circle,#c084fc3d,#0000 62%);animation-duration:30s;animation-delay:-8s;top:-10vmax;right:-14vmax}.hero-aurora span:nth-child(3){background:radial-gradient(circle,#38bdf824,#0000 62%);animation-duration:36s;animation-delay:-14s;bottom:-30vmax;left:30%}html[data-theme=light] .hero-aurora span{opacity:.55}@keyframes aurora{0%{transform:translate(0,0)scale(1)}50%{transform:translate(5%,6%)scale(1.12)}to{transform:translate(-6%,3%)scale(.94)}}.hero h1>span{background-size:200% 100%;animation:9s ease-in-out infinite alternate sheen}@keyframes sheen{to{background-position:100% 0}}.hero>div:first-child>*{animation:hero-in .7s var(--ease-out) both}.hero>div:first-child>:nth-child(2){animation-delay:80ms}.hero>div:first-child>:nth-child(3){animation-delay:.16s}.hero>div:first-child>:nth-child(4){animation-delay:.24s}.hero>div:first-child>:nth-child(5){animation-delay:.32s}.hero>:nth-child(2){animation:hero-in .9s var(--ease-out) .2s both}@keyframes hero-in{0%{opacity:0;translate:0 14px}}@supports (animation-timeline:view()){.section-heading,.stat-strip>div,.roadmap-step,.track-tile,.track-card,.starting-card,.course-card,.lab-card,.term-card,.path-card,.faq-list details,.glossary-item,.topic-columns>section,.topic-section,.path-stage,.method-steps li{animation:reveal both var(--ease-out);animation-timeline:view();animation-range:entry entry 60%}}@keyframes reveal{0%{opacity:0;translate:0 22px}}.faq-list summary span{transition:rotate .3s var(--ease-spring);display:inline-block}.faq-list details[open] summary span{rotate:45deg}@supports (interpolate-size:allow-keywords){:root{interpolate-size:allow-keywords}.faq-list details::details-content{block-size:0;transition:block-size .32s var(--ease-out), content-visibility .32s allow-discrete;overflow:clip}.faq-list details[open]::details-content{block-size:auto}}::view-transition{pointer-events:none}::view-transition-old(root){mix-blend-mode:normal;animation:none}::view-transition-new(root){mix-blend-mode:normal;animation:none}::view-transition-group(site-header){z-index:100;animation:none}::view-transition-old(site-header){display:none}::view-transition-new(site-header){animation:none}html[data-theme-switch] .site-header{view-transition-name:none!important}::view-transition-old(.page-out){animation:.14s var(--ease-out) both page-out}::view-transition-new(.page-in){animation:.36s var(--ease-out) 70ms both page-in}@keyframes page-out{to{opacity:0;translate:0 -6px}}@keyframes page-in{0%{opacity:0;filter:blur(3px);translate:0 14px}}::view-transition-group(.morph){animation-duration:.46s;animation-timing-function:var(--ease-out);z-index:50}::view-transition-image-pair(.morph){animation-name:via-blur}@keyframes via-blur{35%{filter:blur(2px)}}@media (prefers-reduced-motion:reduce){::view-transition-old(*){animation-duration:0s!important;animation-delay:0s!important}::view-transition-new(*){animation-duration:0s!important;animation-delay:0s!important}::view-transition-group(*){animation-duration:0s!important;animation-delay:0s!important}::view-transition-image-pair(*){animation-duration:0s!important;animation-delay:0s!important}.scroll-progress{display:none}}.glossary-bn-name{color:var(--accent);font-size:13px;font-weight:600;display:block}.term-bn-name{color:var(--accent);margin-top:-6px;font-size:15px;font-weight:600}.checkout-form{gap:12px;display:grid}.checkout-price{align-items:baseline;gap:10px;display:flex}.checkout-price strong{letter-spacing:-.02em;color:var(--ink);font-size:28px}.checkout-price s{color:var(--muted)}