@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');
:root{--bg:#111813;--panel:#17201a;--line:#303c31;--text:#ecf0e8;--muted:#a0ac9f;--green:#bcf3a3;--mono:'SFMono-Regular',Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans','Noto Sans SC',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--green);outline-offset:5px}.wrap{max-width:1320px;margin:auto;padding-left:48px;padding-right:48px}.skip{position:absolute;left:24px;top:-60px;background:var(--green);color:var(--bg);padding:12px;z-index:5}.skip:focus{top:12px}.nav{height:104px;display:flex;align-items:center;gap:44px}.brand{display:flex;align-items:center;gap:10px;font-size:26px;font-weight:700;letter-spacing:-1px}.tag{margin-left:14px;font:9px var(--mono);color:var(--muted);letter-spacing:1px}.nav nav{display:flex;gap:28px;margin-left:auto;font-size:13px;color:#c9d2c5}.nav nav a:hover,footer a:hover{color:var(--green)}.nav nav span{font:10px var(--mono);border:1px solid var(--line);padding:2px 5px;border-radius:4px;margin-left:4px}.nav-cta{font-size:13px;border:1px solid #53614f;border-radius:7px;padding:12px 18px}.nav-cta span{margin-left:22px}.hero{padding-top:68px}.eyebrow,.tiny,.section-label{font:11px var(--mono);letter-spacing:1.5px;color:var(--green)}.eyebrow{display:flex;align-items:center;gap:10px;letter-spacing:2px}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 18px #bcf3a350}.hero-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px}h1{font-size:clamp(46px,5.5vw,76px);line-height:1.25;letter-spacing:-3px;margin:29px 0 27px;font-weight:600}em{font-style:normal;color:var(--green)}.hero-aside{padding:0 0 31px 25px;border-left:1px solid var(--line);min-width:260px}.hero-aside .tiny{color:#849681;font-size:9px}.hero-aside p{font-size:16px;line-height:1.9;margin:17px 0 0;color:#bbc8b7}.hero-bottom{display:flex;align-items:center;justify-content:space-between;margin-bottom:46px}.hero-bottom p{font-size:15px;line-height:1.9;color:var(--muted);margin:0}.actions{display:flex;gap:12px}.button{padding:16px 23px;border-radius:6px;font-size:14px;font-weight:600;transition:transform .2s,background .2s}.button:hover{transform:translateY(-3px)}.primary{background:var(--green);color:#162514}.primary span{padding-left:28px}.secondary{border:1px solid #3d4b3c;background:#1a241d}.workspace{position:relative;border:1px solid #42523e;border-radius:12px;overflow:hidden;box-shadow:0 30px 100px #0005;background:#0e1410}.window-bar{height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 19px;background:#1c271f;font:10px var(--mono);color:#9cad9a;border-bottom:1px solid #33432f}.window-dots{font-size:9px;letter-spacing:5px;color:#53654b}.window-status{color:var(--green)}.workspace>img{width:100%;height:auto;display:block}.preview-link{display:flex;align-items:center;gap:20px;padding:13px 18px;font-size:12px;background:#243321e8;border:1px solid #637b5260;border-radius:7px;position:absolute;bottom:24px;left:50%;transform:translateX(-50%);white-space:nowrap;box-shadow:0 6px 30px #0008}.preview-link span{font:11px var(--mono);color:var(--green)}.facts{display:grid;grid-template-columns:repeat(4,1fr);padding:40px 0;border-bottom:1px solid var(--line)}.facts>div{display:flex;align-items:center;justify-content:center;gap:16px;border-right:1px solid var(--line)}.facts>div:first-child{justify-content:flex-start}.facts>div:last-child{border:0;justify-content:flex-end}.facts strong{font-size:30px;font-weight:500;letter-spacing:-1px}.facts strong span{font-size:15px}.facts div>span{font-size:12px;color:var(--muted)}.section{padding-top:106px;padding-bottom:100px}.section-label{font-size:10px;letter-spacing:2px;color:#8eaa83}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin:24px 0 46px}h2{font-size:40px;line-height:1.5;letter-spacing:-1px;font-weight:500;margin:0}.section-heading p,.start-section p{color:var(--muted);font-size:14px;line-height:2;margin:0 0 8px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.principles article{border-top:1px solid #51604c;padding:22px 0 0}.number{font:11px var(--mono);color:#74846e}.mini-flow{height:90px;display:flex;align-items:center;gap:9px;font:11px var(--mono)}.mini-flow i{font-style:normal;border:1px solid #48553f;background:#1c281e;padding:11px 10px;border-radius:5px}.mini-flow .accent{color:var(--green);border-color:#687c54}.mini-flow b{font-weight:400;color:#7c936f}h3{font-weight:500}.principles h3{font-size:19px;margin:7px 0 15px}.principles p{font-size:13px;line-height:2;color:var(--muted);margin:0;max-width:320px}.tutorial-section{background:#182019;border-top:1px solid #303a2e;border-bottom:1px solid #303a2e}.lesson-player{display:grid;grid-template-columns:minmax(0,1fr) 270px;border:1px solid #3e4b37;border-radius:10px;overflow:hidden;background:#101611}.player-main{min-width:0;border-right:1px solid var(--line)}video{width:100%;aspect-ratio:16/9;display:block;background:#080c09}.player-info{padding:22px 25px;display:flex;align-items:center;justify-content:space-between;gap:16px}.player-info .tiny{font-size:9px;color:#8d9e84}.player-info h3{font-size:20px;margin:8px 0 0}.player-info a{font-size:11px;color:var(--green);white-space:nowrap}.lesson-note{padding:32px 25px;display:flex;flex-direction:column}.lesson-note .tiny{font-size:8px;line-height:1.8;color:#809177}.lesson-note h3{font-size:28px;line-height:1.55;margin:27px 0 20px}.lesson-note ol{list-style:none;padding:0;margin:0}.lesson-note li{font-size:12px;color:#a6b59e;padding:11px 0;border-bottom:1px solid #283325}.lesson-note li span{font:10px var(--mono);margin-right:10px;color:#6e8065}.audio-note{margin-top:auto;padding-top:28px;font-size:11px;color:var(--green);line-height:2}.audio-note span{font-size:10px;color:#8d9e84}.lesson-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:35px}.filters{display:flex;gap:7px;flex-wrap:wrap}.filters button{border:1px solid 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.2s;min-height:142px;display:flex;flex-direction:column}.lesson-card:hover{background:#243223;border-color:#7d986a}.lesson-card[aria-pressed=true]{border-color:#a2c688;background:#253521}.card-top{display:flex;justify-content:space-between;color:#8d9f82;font:10px var(--mono)}.play-icon{color:var(--green);font-size:14px}.lesson-card h3{font-size:14px;line-height:1.7;margin:15px 0 18px;font-weight:500}.card-bottom{display:flex;justify-content:space-between;margin-top:auto;font-size:10px;color:#90a184}.card-bottom strong{font-weight:400;color:#bbd9a8}.start-section{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center}.start-section h2{margin:22px 0}.start-section p{font-size:13px}.text-link{display:inline-block;color:var(--green);font-size:12px;margin-top:24px}.terminal{border:1px solid #43513b;background:#18221b;border-radius:8px;overflow:hidden}.terminal-head{padding:16px 21px;border-bottom:1px solid 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