@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#0c1719;--surface:#142224;--surface-2:#1b2d2f;--line:#2b4243;--ink:#f2f6ef;--muted:#a4b8b3;--mint:#c1f276;--mint-2:#84b83f;--peach:#f0b690;--red:#ff9b91;--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;line-height:1.55}button,input{font:inherit}button{cursor:pointer}a{color:var(--mint)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:78px;display:flex;align-items:center;gap:42px;padding:0 max(4vw,24px);border-bottom:1px solid var(--line);background:#0f1c1e;position:sticky;top:0;z-index:30}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);background:none;border:0;padding:0;font:800 19px 'Manrope',sans-serif;white-space:nowrap}.brand strong{color:var(--mint)}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;color:#14231a;background:var(--mint);font-size:24px;line-height:1}.topnav{display:flex;align-items:center;gap:8px;height:100%}.nav-link{height:100%;background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);padding:0 16px;font-weight:700}.nav-link.active,.nav-link:hover{color:var(--ink);border-color:var(--mint)}.topbar-note{margin-left:auto;color:#8ba49e;font-size:13px}.footer{margin-top:auto;display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding:26px max(4vw,24px);font-size:12px;color:#8da7a0}.footer span:last-child{max-width:650px;text-align:right}
.container{max-width:1380px;margin:auto;padding:0 28px}.hero{position:relative;overflow:hidden;margin:36px auto 0;border:1px solid #34504b;border-radius:29px;min-height:350px;padding:55px 58px;background:radial-gradient(circle at 86% 45%,rgba(172,234,89,.18),transparent 28%),radial-gradient(circle at 72% 105%,rgba(86,177,154,.13),transparent 29%),linear-gradient(125deg,#1c3333,#132426 66%)}.hero:after{content:'✳';position:absolute;right:7%;top:4%;font-size:310px;line-height:1;color:rgba(183,239,115,.13);transform:rotate(-12deg);pointer-events:none}.eyebrow{color:var(--mint);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.16em}.hero h1,.page-title{font:800 clamp(38px,4vw,58px)/1.13 'Manrope',sans-serif;letter-spacing:-.055em;margin:16px 0 18px;max-width:750px}.hero p{max-width:570px;color:#c0d0cb;font-size:17px;margin:0 0 29px}.hero-actions,.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.btn{border:1px solid var(--line);border-radius:12px;background:var(--surface-2);color:var(--ink);padding:12px 18px;font-weight:800;transition:.18s}.btn:hover{transform:translateY(-2px);border-color:#7aa66e}.btn.primary{background:var(--mint);border-color:var(--mint);color:#152219}.btn.primary:hover{background:#d4ff8c}.btn.ghost{background:transparent}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.hero-meta{display:flex;gap:28px;margin-top:33px;color:#c3d3cb;font-size:13px}.hero-meta b{font-size:19px;color:var(--ink);margin-right:5px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:48px 0 22px}.section-head h2{font:800 29px 'Manrope',sans-serif;letter-spacing:-.035em;margin:0}.section-head p{color:var(--muted);margin:6px 0 0}.search{background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--ink);padding:12px 15px;width:min(350px,100%);outline:none}.search:focus{border-color:var(--mint)}.filters{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 22px}.filter{background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:8px 14px;font-size:13px;font-weight:700}.filter.active,.filter:hover{color:#16221a;background:var(--mint);border-color:var(--mint)}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;padding-bottom:58px}.course-card{min-height:255px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);padding:23px;display:flex;flex-direction:column;transition:.2s}.course-card:hover{transform:translateY(-4px);border-color:#709f78;background:#1a2b2b;box-shadow:0 18px 35px #06101266}.card-top,.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.course-number{font:800 13px 'Manrope';letter-spacing:.08em;color:var(--mint)}.pill{font-size:11px;font-weight:800;padding:5px 9px;border-radius:99px;background:#263b3a;color:#b9d7ca}.course-card h3{font:800 21px/1.3 'Manrope',sans-serif;letter-spacing:-.03em;margin:27px 0 9px}.course-card p{color:var(--muted);font-size:14px;margin:0 0 24px}.card-bottom{margin-top:auto;color:#a9bfba;font-size:12px;border-top:1px solid var(--line);padding-top:17px}.card-arrow{font-size:20px;color:var(--mint)}.empty{grid-column:1/-1;border:1px dashed var(--line);border-radius:18px;padding:36px;text-align:center;color:var(--muted)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin:33px 0 22px}.breadcrumb button{background:none;color:var(--muted);border:0;padding:0}.breadcrumb button:hover{color:var(--mint)}.course-hero{display:grid;grid-template-columns:1fr auto;gap:25px;align-items:end;background:linear-gradient(135deg,#1d3332,#132525);border:1px solid #34504b;border-radius:24px;padding:35px 39px}.course-hero h1{font:800 clamp(30px,3.2vw,46px)/1.15 'Manrope';letter-spacing:-.05em;margin:10px 0 12px}.course-hero p{max-width:720px;color:#b8cac2;margin:0}.course-hero .pill{display:inline-block;margin-right:6px}.course-stats{display:flex;gap:18px;color:#d4e2d9;font-size:13px;white-space:nowrap}.course-stats strong{display:block;color:var(--mint);font-size:21px}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:25px 0 0;overflow:auto}.tab{background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);white-space:nowrap;padding:15px 18px;font-weight:800}.tab.active{color:var(--mint);border-color:var(--mint)}.tab:hover{color:var(--ink)}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:26px;padding:28px 0 65px}.content-main{min-width:0}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px}.panel h2:first-child,.panel h3:first-child{margin-top:0}.side-panel{align-self:start;position:sticky;top:108px}.side-panel h3{font:800 16px 'Manrope';margin:0 0 17px}.side-panel p{color:var(--muted);font-size:13px;margin:0 0 18px}.side-list{display:grid;gap:9px}.side-item{color:#c7d9d0;border-top:1px solid var(--line);padding:10px 0;font-size:13px}.side-item a{color:inherit;text-decoration:none}.side-item a:hover{color:var(--mint)}.side-item span{color:var(--mint);font-weight:800;margin-right:8px}.prose{color:#d7e1d9;font-size:15px;line-height:1.8;overflow-wrap:anywhere}.prose h1,.prose h2,.prose h3,.prose h4{font-family:'Manrope',sans-serif;color:#f4f7ed;letter-spacing:-.025em;line-height:1.35}.prose h1{font-size:31px}.prose h2{font-size:24px;padding-top:20px}.prose h3{font-size:19px}.prose p{margin:14px 0}.prose li{margin:7px 0}.prose ul,.prose ol{padding-left:24px}.prose blockquote{margin:18px 0;padding:7px 18px;border-left:3px solid var(--mint);background:#1c3030;color:#bcd1c7}.prose pre{background:#0b191b;border:1px solid var(--line);border-radius:12px;padding:19px;overflow:auto;font-size:13px}.prose code{color:var(--mint)}.prose img{max-width:100%;border-radius:12px}.prose table{display:block;overflow:auto;border-collapse:collapse;font-size:13px}.prose th,.prose td{padding:10px 12px;border:1px solid var(--line)}.prose th{background:#203534}.prose a{word-break:break-word}.lead{color:#b8cbc1;font-size:16px}.module-list{display:grid;gap:10px;margin-top:18px}.module-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 19px;background:#1b2d2c;border:1px solid var(--line);border-radius:12px;color:var(--ink)}.module-row b{color:var(--mint);margin-right:11px}.overview-actions{margin-top:25px}.notice{color:#a6bdb3;font-size:12px;margin-top:14px}.video-list{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.video-chip{border:1px solid var(--line);background:#203534;color:#c7d9ce;border-radius:10px;padding:9px 12px;font-size:12px;font-weight:700}.video-chip.active{background:var(--mint);color:#18241a;border-color:var(--mint)}.video-frame{aspect-ratio:16/9;width:100%;border:0;border-radius:14px;background:#0a1516}.video-title{font:800 21px 'Manrope';margin:0 0 16px}.video-link{display:inline-block;margin-top:12px;font-size:13px}
.quiz-intro{text-align:center;padding:25px}.quiz-symbol{font-size:51px;color:var(--mint)}.quiz-intro h2,.result h2{font:800 30px 'Manrope';margin:10px 0}.quiz-intro p{color:var(--muted);max-width:570px;margin:0 auto 25px}.quiz-top{display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:13px;font-weight:800}.progress-track{height:7px;border-radius:99px;background:#304340;overflow:hidden;margin:15px 0 25px}.progress-fill{height:100%;background:var(--mint);transition:width .25s}.question h2{font:800 21px/1.45 'Manrope';margin:0 0 20px}.option-list{display:grid;gap:10px}.option{display:flex;gap:12px;align-items:start;border:1px solid var(--line);border-radius:12px;padding:14px 15px;background:#1b2e2e;cursor:pointer}.option:hover{border-color:#7ba76d}.option.selected{border-color:var(--mint);background:#274036}.option input{accent-color:var(--mint);margin:5px 0 0}.option span{flex:1}.quiz-controls{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:27px}.result{text-align:center;padding:20px}.score{font:800 74px 'Manrope';color:var(--mint);letter-spacing:-.07em;line-height:1.1}.score.bad{color:var(--peach)}.result p{color:var(--muted)}.review{margin-top:30px;text-align:left}.review details{border:1px solid var(--line);border-radius:12px;margin:9px 0;padding:13px 17px;background:#1a2b2b}.review summary{cursor:pointer;font-weight:700}.review .good{color:var(--mint)}.review .bad{color:var(--red)}.review p{color:#c6d7ce;font-size:13px}.review ul{margin:8px 0;padding-left:22px;font-size:13px}.progress-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:65px}.progress-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}.progress-card h3{font:800 17px 'Manrope';margin:8px 0}.progress-card p{font-size:13px;color:var(--muted);margin:0 0 12px}.mini-track{height:5px;background:#344842;border-radius:10px;overflow:hidden}.mini-track span{display:block;height:100%;background:var(--mint)}.progress-card button{border:0;background:none;color:var(--mint);padding:0;margin-top:16px;font-weight:800}.stats-row{display:flex;gap:14px;flex-wrap:wrap;margin:23px 0}.stat-box{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:17px 22px;min-width:150px}.stat-box b{display:block;font:800 27px 'Manrope';color:var(--mint)}.stat-box span{color:var(--muted);font-size:12px}
.side-jump{background:none;border:0;color:inherit;padding:0;text-align:left;font-size:13px}.side-jump:hover{color:var(--mint)}.prose h2{scroll-margin-top:95px}
.inline-video{margin:25px 0;padding:16px;background:#0f1d1e;border:1px solid var(--line);border-radius:16px}.inline-video figcaption{font-weight:800;color:var(--ink);margin:0 0 12px}.inline-video .video-frame{display:block}.inline-video video{object-fit:contain}
@media(max-width:1000px){.course-grid,.progress-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.side-panel{position:static;order:-1}.course-hero{grid-template-columns:1fr}.course-stats{flex-wrap:wrap}}@media(max-width:650px){.container{padding:0 17px}.topbar{height:66px;padding:0 17px;gap:17px}.brand{font-size:16px}.brand-mark{width:31px;height:31px;font-size:21px}.topbar-note{display:none}.nav-link{font-size:12px;padding:0 7px}.hero{margin-top:18px;padding:30px 23px;min-height:0}.hero:after{font-size:160px;right:-25px;top:35px}.hero h1{font-size:36px}.hero p{font-size:15px}.hero-meta{gap:16px;flex-wrap:wrap}.section-head{align-items:stretch;flex-direction:column;margin-top:35px}.course-grid,.progress-grid{grid-template-columns:1fr;gap:12px}.course-card{min-height:225px}.course-hero{padding:25px 22px}.course-stats{gap:14px}.content-layout{padding-top:18px}.panel{padding:21px}.footer{flex-direction:column;padding:25px 17px}.footer span:last-child{text-align:left}.quiz-controls{flex-wrap:wrap}}

.outer-bar{background:#101f20;border-bottom:1px solid #2b4243;padding:7px max(4vw,24px);font-size:12px;font-weight:800}.outer-bar a{color:#c1f276;text-decoration:none}.outer-bar a:hover{text-decoration:underline}