:root{color-scheme:dark;--bg:#0d0d0e;--surface:#151516;--surface2:#1d1d1f;--line:#29292d;--ink:#f3f4f0;--muted:#a9aaa7;--soft:#777976;--green:#7be84e;--green-ink:#142310;--radius:18px;--content:1200px;font-family:'Space Grotesk',system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);min-width:280px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img,svg{max-width:100%}img{display:block}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}a,button,input,select,textarea{outline-offset:4px}:focus-visible{outline:2px solid var(--green)}button:disabled{opacity:.45;cursor:not-allowed}[hidden]{display:none!important}.skip-link{position:absolute;left:16px;top:-70px;z-index:200;background:var(--green);color:var(--green-ink);padding:12px 18px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:50;background:#0d0d0ef0;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner,.footer-inner,.container{width:min(calc(100% - 48px),var(--content));margin:auto}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:14px;font-weight:700;letter-spacing:.08em}.brand img{object-fit:contain}.brand b,.site-footer b{color:var(--green);font-weight:600}.desktop-nav{display:flex;gap:30px;margin-left:auto}.desktop-nav a,.header-actions a{font-size:13px;color:#c5c6c2}.desktop-nav a:hover,.header-actions a:hover,.site-footer a:hover{color:var(--green)}.header-actions{display:flex;align-items:center;gap:14px}.search-trigger{display:flex;align-items:center;gap:8px}.header-account{border:1px solid var(--line);border-radius:10px;padding:11px 14px}.header-account span{color:var(--green)}.mobile-nav{display:none}
main{min-height:55vh}.section{padding:90px 0;border-bottom:1px solid var(--line)}.section.slim{padding:56px 0}.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--green);font-weight:700}.muted{color:var(--muted)}.small{font-size:13px}.hero{padding:100px 0 70px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);background-image:radial-gradient(#34353a 1px,transparent 1px);background-size:32px 32px;background-position:calc(50% + 280px) 15px}.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 29%,#0d0d0e82 69%,#0d0d0eaa);pointer-events:none}.hero .container{position:relative}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:end}.hero h1,.page-title{font-size:clamp(52px,7.5vw,112px);line-height:.99;letter-spacing:-.075em;margin:26px 0 26px;max-width:900px}.hero h1 em,.page-title em,.section-title em{font-style:normal;color:var(--green)}.hero .lead{font-size:clamp(17px,2vw,22px);color:#c9cac7;line-height:1.55;max-width:620px}.hero-aside{border:1px solid var(--line);border-radius:var(--radius);background:#151516e8;padding:30px}.hero-aside .serial{font-size:11px;color:var(--green);letter-spacing:.15em}.hero-aside h2{font-size:clamp(26px,3vw,42px);line-height:1.1;letter-spacing:-.05em;margin:28px 0}.hero-aside p{color:var(--muted);font-size:14px;line-height:1.6}.hero-aside a{display:flex;margin-top:26px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid var(--line);border-radius:10px;background:var(--surface2);color:var(--ink);font-size:14px;font-weight:600;text-align:center;transition:background .18s,border-color .18s,transform .18s}.btn:hover{border-color:#777c74;background:#252629;transform:translateY(-1px)}.btn.primary{background:var(--green);border-color:var(--green);color:var(--green-ink)}.btn.primary:hover{background:#9cf476;border-color:#9cf476}.btn.ghost{background:transparent}.text-link{font-size:14px;font-weight:600;color:var(--green)}.text-link:hover{text-decoration:underline}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}.section-heading p{max-width:425px;color:var(--muted);line-height:1.6;margin:0}.section-title{font-size:clamp(34px,5vw,62px);line-height:1.07;letter-spacing:-.06em;margin:13px 0 0}.section-title.smaller{font-size:clamp(30px,4vw,48px)}.section-kicker{display:flex;align-items:center;justify-content:space-between;padding:0 0 18px;border-bottom:1px solid var(--line);color:var(--soft);font-size:11px;letter-spacing:.14em;text-transform:uppercase}.hero-stats{display:flex;gap:30px;flex-wrap:wrap;margin-top:70px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.hero-stats strong{color:var(--ink);font-weight:500}
.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-card{position:relative;display:flex;flex-direction:column;min-width:0;min-height:390px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;transition:border-color .18s,transform .18s}.course-card:hover{border-color:#647261;transform:translateY(-3px)}.course-cover{height:150px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;background:#1a1c1b;background-image:radial-gradient(#414541 1px,transparent 1px);background-size:24px 24px}.cover-top{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.14em;color:#c7cebf}.course-cover strong{font-size:48px;line-height:1;letter-spacing:-.07em;color:var(--green)}.course-card-body{padding:24px;display:flex;flex-direction:column;flex:1}.course-card h3{font-size:25px;line-height:1.15;letter-spacing:-.045em;margin:12px 0}.course-card p{font-size:13px;line-height:1.6;color:var(--muted);margin:0 0 20px}.course-card .bottom{margin-top:auto;display:flex;align-items:end;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}.course-card .bottom b{color:var(--green);font-size:13px}.badge{display:inline-flex;align-items:center;min-height:26px;padding:3px 9px;border-radius:6px;border:1px solid #3a4b35;background:#1b281a;color:#a6ef8a;font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.chip{border:1px solid var(--line);border-radius:100px;background:transparent;color:var(--muted);padding:9px 15px;min-height:40px;font-size:13px}.chip[aria-pressed=true],.chip.active{border-color:var(--green);background:#1b2a17;color:var(--green)}.chip:hover{color:var(--ink);border-color:#7e817b}.category-row{display:flex;gap:10px;flex-wrap:wrap}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{padding:28px;border:1px solid var(--line);border-radius:var(--radius);min-height:230px}.feature .number{color:var(--green);font-size:12px;letter-spacing:.15em}.feature h3{font-size:25px;line-height:1.2;margin:30px 0 12px;letter-spacing:-.045em}.feature p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}.faq{max-width:800px}.faq details{border-bottom:1px solid var(--line)}.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:22px 0;font-size:18px;font-weight:500}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';color:var(--green);font-size:25px}.faq details[open] summary:after{content:'−'}.faq p{color:var(--muted);line-height:1.65;margin:0 0 24px}.final-cta{padding:50px;border:1px solid var(--line);border-radius:var(--radius);background:#171917}.final-cta h2{font-size:clamp(35px,5vw,64px);letter-spacing:-.06em;line-height:1.06;max-width:800px;margin:18px 0}.final-cta p{color:var(--muted);max-width:650px;line-height:1.6}
.page-hero{padding:70px 0 35px}.page-hero .page-title{font-size:clamp(45px,6vw,76px);margin:16px 0}.page-hero p{max-width:680px;font-size:17px;line-height:1.6;color:var(--muted)}.catalog-controls{display:grid;grid-template-columns:minmax(220px,1fr) auto auto;gap:12px;margin:20px 0 30px;align-items:center}.field{display:flex;align-items:center;gap:10px;min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.field:focus-within{border-color:var(--green)}.field svg{flex:none;color:var(--soft)}.field input{border:0;background:none;outline:none;color:var(--ink);width:100%;min-width:0}.field input::placeholder{color:#83857f}.select{min-height:48px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);padding:0 12px}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 28px}.result-count{color:var(--soft);font-size:13px;margin:0 0 16px}.empty{padding:40px;border:1px dashed #454649;border-radius:var(--radius);text-align:center;color:var(--muted)}.empty h2,.empty h3{color:var(--ink);margin-top:0}.empty a{color:var(--green)}
.course-intro{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(270px,.65fr);gap:42px;padding:65px 0 60px}.course-intro h1{font-size:clamp(42px,6vw,78px);letter-spacing:-.065em;line-height:1.02;margin:16px 0 25px}.course-intro .lead{font-size:18px;line-height:1.6;color:#c6c9c3;max-width:650px}.course-meta{display:flex;gap:10px;flex-wrap:wrap;margin:27px 0}.course-meta span{padding:8px 10px;border:1px solid var(--line);border-radius:6px;font-size:12px;color:var(--muted)}.purchase-panel{align-self:start;position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:27px}.purchase-panel .price{font-size:42px;font-weight:700;letter-spacing:-.05em}.purchase-panel p{font-size:13px;color:var(--muted);line-height:1.6}.purchase-panel .btn{display:flex;width:100%;margin:22px 0 10px}.purchase-panel .micro{font-size:11px;color:var(--soft)}.outcome-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.outcome{padding:20px;border:1px solid var(--line);border-radius:10px;font-size:14px;line-height:1.4}.outcome:before{content:'✓';color:var(--green);margin-right:9px}.curriculum{display:grid;gap:10px}.module{border:1px solid var(--line);border-radius:12px;background:var(--surface)}.module summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:18px;padding:20px}.module summary::-webkit-details-marker{display:none}.module-index{font-size:12px;color:var(--green);letter-spacing:.1em}.module-title{font-size:18px;letter-spacing:-.025em}.module small{margin-left:auto;color:#a6a9a3}.module-body{border-top:1px solid var(--line);padding:0 20px 20px}.module-body p{font-size:13px;color:var(--muted);line-height:1.5}.lesson-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid #252528;font-size:13px}.lesson-row small{color:#a6a9a3;white-space:nowrap}.lesson-row:hover{color:var(--green)}.progress-track{height:6px;background:#2b2c2b;border-radius:100px;overflow:hidden}.progress-fill{height:100%;background:var(--green);border-radius:100px}.card-list{display:grid;gap:12px}.item-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.item-card h3{font-size:18px;margin:6px 0}.item-card p{color:var(--muted);font-size:13px;margin:0}.item-card .type{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--green)}.item-card:hover{border-color:#677366}.item-card .arrow{color:var(--green);font-size:22px}
.workspace-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:30px;padding:45px 0 80px}.workspace-nav{position:sticky;top:100px;align-self:start;display:grid;gap:6px}.workspace-nav a{padding:12px 14px;border-radius:9px;color:var(--muted);font-size:14px}.workspace-nav a.active,.workspace-nav a:hover{background:var(--surface2);color:var(--green)}.workspace-main{min-width:0}.workspace-main h1{font-size:clamp(38px,5vw,64px);line-height:1.05;letter-spacing:-.06em;margin:0 0 15px}.workspace-main>.lead{color:var(--muted);line-height:1.6;margin-bottom:30px}.resume-card{padding:28px;border:1px solid #3b5132;border-radius:var(--radius);background:#152013}.resume-card h2{font-size:clamp(23px,3vw,34px);margin:12px 0}.resume-card p{color:#bfccba}.resume-card .btn{margin-top:8px}.section-subtitle{font-size:26px;letter-spacing:-.04em;margin:40px 0 17px}.course-progress{padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:12px}.course-progress .top{display:flex;justify-content:space-between;gap:12px}.course-progress h3{margin:8px 0;font-size:22px}.course-progress p{font-size:13px;color:var(--muted)}.course-progress .progress-track{margin:18px 0 10px}.course-progress .foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}
.reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px}.reader{min-width:0}.reader-head .eyebrow{font-size:11px}.reader h1{font-size:clamp(40px,5vw,66px);line-height:1.05;letter-spacing:-.06em;margin:17px 0}.reader-meta{font-size:13px;color:var(--muted);margin-bottom:26px}.reader-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:24px 0}.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:44px;min-height:44px;padding:8px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink)}.icon-button:hover,.icon-button[aria-pressed=true]{border-color:var(--green);color:var(--green)}.icon-button svg{width:19px;height:19px}.reader-body{font-size:var(--reader-size,18px);line-height:1.85;color:#e0e2dc;overflow-wrap:anywhere}.reader-body img,.reader-body video,.reader-body iframe{max-width:100%;height:auto}.reader-body h2,.reader-body h3{line-height:1.25;letter-spacing:-.04em;margin:1.6em 0 .6em;color:var(--ink)}.reader-body h3{font-size:1.5em}.reader-body a{color:var(--green);text-decoration:underline}.reader-body pre{overflow-x:auto;padding:20px;background:#1c1d1e;border:1px solid var(--line);border-radius:10px;font-size:.75em;line-height:1.55}.reader-body code{overflow-wrap:anywhere}.reader-body table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:.8em}.reader-body td,.reader-body th{border:1px solid var(--line);padding:8px}.reader-body blockquote{border-left:3px solid var(--green);padding:5px 20px;margin-left:0;color:#cdd1c9}.reader-body details{border:1px solid var(--line);padding:12px 18px;border-radius:10px;margin:18px 0}.reader-body summary{cursor:pointer}.reader-side{align-self:start;position:sticky;top:98px;max-height:calc(100dvh - 116px);overflow:auto;border:1px solid var(--line);border-radius:12px;padding:15px}.reader-side h2{font-size:13px;color:var(--green);letter-spacing:.1em;text-transform:uppercase}.reader-side a{display:block;padding:9px;border-radius:7px;font-size:12px;color:var(--muted)}.reader-side a.current,.reader-side a:hover{color:var(--green);background:#20241f}.reader-side .module-label{color:var(--ink);font-size:11px;letter-spacing:.08em;margin:15px 0 3px}.reader-footer{border-top:1px solid var(--line);padding-top:24px;margin-top:35px}.reader-next{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:25px}.note-box{margin:30px 0;padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.note-box h2{font-size:20px;margin:0 0 8px}.note-box p{font-size:12px;color:var(--muted)}.note-box textarea{display:block;width:100%;min-height:140px;background:#101011;border:1px solid var(--line);border-radius:8px;color:var(--ink);padding:12px;resize:vertical}.focus-mode .site-header,.focus-mode .site-footer,.focus-mode .mobile-nav,.focus-mode .workspace-nav,.focus-mode .reader-side{display:none!important}.focus-mode .workspace-grid{display:block;max-width:800px}.focus-mode .reader-layout{display:block}.focus-mode .workspace-main{max-width:100%}.focus-mode .focus-exit{display:inline-flex}
.quiz-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:24px;margin:15px 0}.quiz-card h3{font-size:19px;line-height:1.35}.quiz-option{display:flex;align-items:start;gap:12px;padding:15px;border:1px solid var(--line);border-radius:10px;margin:9px 0;cursor:pointer;min-height:54px;font-size:14px}.quiz-option:hover,.quiz-option:has(input:checked){border-color:var(--green);background:#192419}.quiz-option input{accent-color:var(--green);margin-top:3px}.quiz-feedback{padding:16px;border-left:3px solid var(--green);background:#1a2318;margin-top:15px;font-size:14px}.quiz-feedback.wrong{border-color:#e8bd73;background:#2a2318}.quiz-feedback p{line-height:1.6}.toast{position:fixed;z-index:100;bottom:25px;left:50%;transform:translateX(-50%);padding:13px 18px;border:1px solid #5a7650;border-radius:9px;background:#20321c;box-shadow:0 15px 40px #0008;font-size:13px;max-width:calc(100vw - 32px)}.site-footer{border-top:1px solid var(--line);padding:45px 0 80px}.footer-inner{display:flex;align-items:start;gap:40px;flex-wrap:wrap}.site-footer span{font-size:15px;font-weight:700;letter-spacing:.1em}.site-footer p{color:var(--muted);font-size:13px;margin:0}.site-footer nav{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto;font-size:12px;color:var(--muted)}.loading{padding:90px 24px;text-align:center;color:var(--muted)}.noscript{padding:20px;text-align:center}.noscript a{color:var(--green)}
@media(max-width:1050px){.desktop-nav{gap:15px}.hero-grid{gap:32px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reader-layout{grid-template-columns:minmax(0,1fr) 220px;gap:22px}.workspace-grid{grid-template-columns:180px minmax(0,1fr);gap:18px}.outcome-list{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.header-inner,.footer-inner,.container{width:min(calc(100% - 36px),var(--content))}.header-inner{min-height:62px}.desktop-nav,.search-trigger span,.header-account{display:none}.search-trigger{width:44px;height:44px;justify-content:center}.hero{padding:63px 0 45px;background-position:30vw 0}.hero-grid{grid-template-columns:1fr;gap:30px}.hero h1{font-size:clamp(51px,11vw,78px);margin:20px 0}.hero-aside{max-width:550px}.hero-stats{margin-top:38px;gap:14px}.section{padding:62px 0}.section-heading{display:block}.section-heading p{margin-top:16px}.feature-grid{grid-template-columns:1fr}.feature{min-height:auto}.feature h3{margin-top:20px}.course-grid{grid-template-columns:1fr 1fr}.course-intro{grid-template-columns:1fr;padding:45px 0}.purchase-panel{position:static}.course-meta{margin:20px 0}.outcome-list{grid-template-columns:1fr}.workspace-grid{display:block;padding:34px 0 55px}.workspace-nav{display:none}.reader-layout{display:block}.reader-side{display:none}.mobile-nav{display:flex;position:fixed;z-index:50;left:0;right:0;bottom:0;min-height:calc(66px + env(safe-area-inset-bottom));padding:4px 8px calc(5px + env(safe-area-inset-bottom));background:#111113f5;border-top:1px solid var(--line);justify-content:space-around}.mobile-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#989b95;font-size:10px;min-height:56px}.mobile-nav a.active{color:var(--green)}.nav-icon{font-size:24px;line-height:1.1}.site-footer{padding-bottom:125px}.toast{bottom:calc(80px + env(safe-area-inset-bottom))}.focus-mode .mobile-nav{display:none}.focus-mode .site-footer{display:none}}
@media(max-width:580px){.course-grid{grid-template-columns:1fr}.course-card{min-height:345px}.course-cover{height:130px}.course-cover strong{font-size:42px}.catalog-controls{grid-template-columns:1fr 1fr}.catalog-controls .field{grid-column:1/-1}.filter-row{flex-wrap:nowrap;overflow:auto;scrollbar-width:none;padding-bottom:4px}.filter-row .chip{white-space:nowrap}.item-card{padding:17px}.item-card h3{font-size:16px}.item-card p{font-size:12px}.final-cta{padding:30px}.page-hero{padding:45px 0 24px}.module summary{padding:16px;gap:9px}.module-title{font-size:15px}.module small{font-size:11px}.module-body{padding:0 15px 15px}.lesson-row{font-size:12px}.reader h1{font-size:clamp(35px,10vw,50px)}.reader-toolbar{gap:6px}.reader-body{line-height:1.75}.reader-body h3{font-size:1.35em}.footer-inner{display:block}.site-footer p{margin:12px 0 22px}.site-footer nav{margin-left:0}.actions .btn{width:100%}.hero .actions .btn{width:100%}.course-intro .actions .btn{width:100%}}
@media(max-width:350px){.header-inner,.footer-inner,.container{width:calc(100% - 28px)}.brand{font-size:12px}.brand img{width:28px;height:28px}.hero h1{font-size:47px}.mobile-nav a{font-size:9px}.course-intro h1{font-size:39px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
.nav-icon{display:block;width:23px;height:23px;background:currentColor;mask:var(--icon-url) center/contain no-repeat;-webkit-mask:var(--icon-url) center/contain no-repeat}
[data-nav=home]{--icon-url:url('/iconly/home-outline.svg')}[data-nav=home].active{--icon-url:url('/iconly/home-fill.svg')}
[data-nav=courses]{--icon-url:url('/iconly/courses-outline.svg')}[data-nav=courses].active{--icon-url:url('/iconly/courses-fill.svg')}
[data-nav=library]{--icon-url:url('/iconly/library-outline.svg')}[data-nav=library].active{--icon-url:url('/iconly/library-fill.svg')}
[data-nav=progress]{--icon-url:url('/iconly/progress-outline.svg')}[data-nav=progress].active{--icon-url:url('/iconly/progress-fill.svg')}
[data-nav=profile]{--icon-url:url('/iconly/profile-outline.svg')}[data-nav=profile].active{--icon-url:url('/iconly/profile-fill.svg')}
@media(max-width:580px){.catalog-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.catalog-controls .field,.catalog-controls .select{min-width:0;width:100%}}
.result-count,.purchase-panel .micro{color:#a6a9a3}