:root{color-scheme:dark;--bg:#0c1015;--panel:#151b23;--line:#34404e;--text:#edf2f7;--muted:#aebcca;--ice:#b8dbf6;--silver:linear-gradient(120deg,#f3f7fa,#a6b4c3)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.65}a:hover{color:var(--ice)}:focus-visible{outline:3px solid var(--ice);outline-offset:5px}.skip{position:fixed;top:-90px;left:20px;padding:10px;background:white;color:black;z-index:100}.skip:focus{top:10px}.demo-strip{padding:8px 5%;background:#202b37;color:#d2e1ee;display:flex;justify-content:space-between;font:11px/1.5 Arial;letter-spacing:1.6px}.demo-strip span{letter-spacing:.2px}.header{position:sticky;top:0;z-index:10;background:#0c1015f5;border-bottom:1px solid var(--line);padding:18px 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p{max-width:460px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{border:1px solid var(--line);border-radius:5px;background:var(--panel);padding:26px}.card .number{color:var(--ice);font:12px Arial;letter-spacing:2px;margin-bottom:28px;display:block}.card p{color:var(--muted);font-size:14px}.module-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 30px}.module-list a{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:40px 1fr 25px;gap:14px;align-items:center}.module-list strong{font-weight:400}.module-list small{display:block;color:var(--muted);font-size:12px}.module-list .num{font:13px Arial;color:var(--ice)}.price{font:48px Georgia;margin:25px 0 10px}.price small{font:13px Arial;color:var(--muted)}.featured{border-color:#a4bed4;background:linear-gradient(160deg,#293744,#151b23)}.tag{font-size:10px;color:var(--ice);letter-spacing:2px}.card ul{padding-left:20px;color:#c5d0da;font-size:14px;min-height:115px}.card li{margin:9px 0}.card .button,.card .quiet{width:100%}.notice{border:1px solid #63758a;background:#1a2735;padding:18px 22px;border-radius:4px;color:#dce7f1;font-size:14px}.faq{max-width:850px}.faq details{border-bottom:1px solid var(--line);padding:22px 0}.faq summary{cursor:pointer;font-size:18px}.faq details p{margin:15px 0 0;color:var(--muted)}footer{padding:50px 5%;background:#090c10}footer p,footer small{color:var(--muted);font-size:12px}footer div{display:flex;gap:24px;flex-wrap:wrap;font-size:13px;margin:22px 0}.wordmark{font:26px Georgia;display:block;margin-bottom:12px}.wordmark span{color:var(--muted);font:12px Arial;margin-left:10px}.page{padding:55px 0 70px;min-height:65vh}.portal-top{display:flex;justify-content:space-between;align-items:center;gap:30px;margin:25px 0}.progress{width:100%;height:8px;accent-color:var(--ice)}.portal-cards{margin-top:32px}.search-label{display:block;margin-bottom:8px;font-size:13px}.search{background:#111923;border:1px solid #627487;border-radius:4px;color:white;padding:12px;width:min(100%,440px);margin-bottom:24px}.course-layout{display:grid;grid-template-columns:285px 1fr;gap:35px;margin-top:25px}.lesson-nav{background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:18px;max-height:78vh;overflow:auto}.lesson-nav details{margin-bottom:10px}.lesson-nav summary{cursor:pointer;font-size:13px;padding:8px 0}.lesson-nav a{display:block;font-size:12px;padding:9px 12px;color:var(--muted);border-left:2px solid transparent}.lesson-nav a[aria-current=page]{color:white;background:#293b4c;border-color:var(--ice)}.lesson-body{min-width:0}.lesson-visual{height:180px;background:radial-gradient(ellipse at center,#34495e,#131d29);border:1px solid 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.spacing-top{margin-top:20px}

.worked-example,.draft-form{margin:30px 0;padding:28px;border:1px solid var(--line);border-radius:5px;background:var(--panel)}.worked-example h2,.draft-form h2{font-size:30px;margin-top:18px}.worked-example ol{padding-left:22px;color:#cbd8e4}.worked-example li{padding:6px 0}.draft-form label{display:block;font-size:17px;font-weight:bold;margin:26px 0 7px}.field-hint{color:var(--muted);font-size:13px;margin-bottom:12px;max-width:740px}.draft-form textarea{display:block;width:100%;resize:vertical;background:#0e151e;color:var(--text);font:15px/1.6 Arial,sans-serif;border:1px solid #64798e;padding:14px;border-radius:4px;min-height:130px}.project-page{max-width:960px}.project-field{border-bottom:1px solid var(--line);padding:24px 0 30px}.project-field:first-child{padding-top:0}.project-field label{margin-top:14px}.workbook-bar{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:27px;margin-top:30px;border:1px solid var(--line);background:var(--panel);border-radius:5px}.workbook-bar h3{margin-bottom:10px}.workbook-bar p{color:var(--muted);font-size:14px;margin:0}.export-target:empty{display:none}.export-target{padding:20px 0}.export-target p{margin-top:14px}.draft-form .section-heading{margin-bottom:20px;align-items:center}.draft-form .section-heading h2{margin:0}@media(max-width:800px){.worked-example,.draft-form{padding:20px}.workbook-bar{display:block}.workbook-bar button{margin-top:20px}.draft-form .section-heading{display:block}.draft-form .section-heading .tag{display:block;margin-top:15px}.draft-form .actions{flex-direction:column;align-items:stretch}}
.lesson-body .content p{white-space:pre-line}

.follow-video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#080d14;border:1px solid #637486;border-radius:12px;margin:20px 0}