.course-surface{--course-paper:#faf8f3;--course-ink:#1b1a23;--course-muted:#6b6a78;--course-accent:#6966ff;--course-accent-ink:#4f4be0;--course-accent-soft:#efeeff;--course-line:#e8e3d6;--course-card:#fff;--course-serif:"Instrument Serif",Georgia,serif;--course-sans:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,sans-serif;background:radial-gradient(120% 60% at 50% -10%,rgba(105,102,255,.08),transparent 60%),radial-gradient(circle at 1px 1px,rgba(27,26,35,.045) 1px,transparent 0) 0 0 /22px 22px,var(--course-paper);color:var(--course-ink);font-family:var(--course-sans);-webkit-font-smoothing:antialiased}.course-hero{max-width:820px;margin:0 auto;padding:72px 24px 8px;text-align:center}.course-eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--course-accent-ink);background:var(--course-accent-soft);padding:6px 14px;border-radius:999px}.course-hero-title{font-family:var(--course-serif);font-weight:400;font-size:clamp(40px,7vw,72px);line-height:1.02;letter-spacing:-.015em;margin:20px 0 0}.course-hero-byline{font-size:15px;color:var(--course-muted);margin:18px auto 0;max-width:620px}.course-hero-byline a{color:var(--course-accent-ink);text-decoration:none;border-bottom:1px solid var(--course-accent-soft)}.course-hero-lead{font-size:18px;line-height:1.6;color:#34333d;margin:22px auto 0;max-width:660px}.course-hero-lead strong{color:var(--course-ink)}.course-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:28px 0 0}.course-meta-pill{font-size:13px;font-weight:600;color:var(--course-ink);background:var(--course-card);border:1px solid var(--course-line);padding:8px 16px;border-radius:999px}.course-meta-pill--free{color:var(--course-accent-ink);border-color:var(--course-accent)}.course-content{max-width:760px;margin:0 auto;padding:8px 24px 40px}.course-content>h2{font-family:var(--course-serif);font-weight:400;font-size:clamp(26px,4vw,34px);letter-spacing:-.01em;margin:48px 0 14px}.course-content>p{font-size:16.5px;line-height:1.72;color:#34333d;margin:0 0 16px}.course-content>ul{font-size:16.5px;line-height:1.7;color:#34333d;padding-left:22px}.course-content>ul li{margin:8px 0}.course-content a{color:var(--course-accent-ink);text-decoration:none;border-bottom:1px solid var(--course-accent-soft)}.course-content a:hover{border-color:var(--course-accent)}.course-curriculum{list-style:none;margin:28px 0 8px;padding:0;position:relative;counter-reset:none}.course-curriculum:before{content:"";position:absolute;left:31px;top:32px;bottom:32px;width:2px;background:repeating-linear-gradient(var(--course-line) 0 6px,transparent 6px 12px)}.course-chapter-card{position:relative;margin:0 0 12px}.course-chapter-link{display:flex;align-items:flex-start;gap:18px;background:var(--course-card);border:1px solid var(--course-line);border-radius:16px;padding:18px 20px;text-decoration:none;color:inherit;position:relative;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}a.course-chapter-link:hover{transform:translateY(-3px);box-shadow:0 14px 30px -16px rgba(79,75,224,.5);border-color:var(--course-accent)}.course-chapter-badge{flex:none;width:46px;height:46px;border-radius:50%;background:var(--course-paper);border:1.5px solid var(--course-accent);color:var(--course-accent-ink);font-family:var(--course-serif);font-size:26px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .18s ease,color .18s ease}a.course-chapter-link:hover .course-chapter-badge{background:var(--course-accent);color:#fff}.course-chapter-badge--lg{width:56px;height:56px;font-size:32px}.course-chapter-body{display:flex;flex-direction:column;gap:4px;min-width:0}.course-chapter-kicker{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--course-muted)}.course-chapter-title{font-size:18px;font-weight:700;line-height:1.3}.course-chapter-desc{font-size:14.5px;line-height:1.5;color:var(--course-muted)}.course-chapter-arrow{margin-left:auto;align-self:center;font-size:20px;color:var(--course-accent);transition:transform .18s ease}a.course-chapter-link:hover .course-chapter-arrow{transform:translateX(4px)}.course-chapter-card--soon .course-chapter-link{background:transparent;border-style:dashed}.course-chapter-card--soon .course-chapter-badge{border-color:var(--course-line);color:var(--course-muted)}.course-chapter-card--soon .course-chapter-desc,.course-chapter-card--soon .course-chapter-title,.course-soon-pill{color:var(--course-muted)}.course-soon-pill{margin-left:auto;align-self:center;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--course-line);border-radius:999px;padding:5px 11px;white-space:nowrap}.course-chapter-card--current .course-chapter-link{border-color:var(--course-accent);background:var(--course-accent-soft)}.course-chapter-card--current .course-chapter-badge{background:var(--course-accent);color:#fff}.course-lesson-inner{max-width:720px;margin:0 auto;padding:56px 24px 40px}.course-lesson-head{display:flex;align-items:center;gap:16px;margin:14px 0 0}.course-lesson-title{font-family:var(--course-serif);font-weight:400;font-size:clamp(32px,5.5vw,52px);line-height:1.05;letter-spacing:-.015em;margin:0}.course-lesson-byline{font-size:14px;color:var(--course-muted);margin:16px 0 0}.course-lesson-byline a{color:var(--course-accent-ink);text-decoration:none}.course-answer{margin:26px 0 8px;padding:20px 22px;background:var(--course-accent-soft);border-left:3px solid var(--course-accent);border-radius:0 14px 14px 0}.course-answer-label{display:block;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--course-accent-ink);margin-bottom:8px}.course-answer p{margin:0;font-size:17px;line-height:1.6;color:#2a2933}.course-prose{margin-top:8px}.course-prose h2{font-family:var(--course-serif);font-weight:400;font-size:clamp(25px,3.6vw,33px);letter-spacing:-.01em;margin:44px 0 12px;scroll-margin-top:90px}.course-prose h3{font-size:19px;font-weight:700;margin:28px 0 8px}.course-prose p{font-size:17px;line-height:1.74;color:#33323c;margin:0 0 17px}.course-prose ol,.course-prose ul{font-size:17px;line-height:1.7;color:#33323c;padding-left:24px;margin:0 0 18px}.course-prose li{margin:9px 0}.course-prose a{color:var(--course-accent-ink);text-decoration:none;border-bottom:1px solid var(--course-accent-soft)}.course-prose a:hover{border-color:var(--course-accent)}.course-prose strong{color:var(--course-ink)}.course-prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}.course-prose thead th{text-align:left;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--course-muted);border-bottom:2px solid var(--course-line);padding:10px 12px}.course-prose tbody td{padding:11px 12px;border-bottom:1px solid var(--course-line);vertical-align:top;line-height:1.5}.course-prose tbody tr:nth-child(odd){background:rgba(105,102,255,.035)}.course-callout{margin:26px 0;padding:22px 26px;background:var(--course-ink);color:#f4f3ff;border-radius:16px;font-family:var(--course-serif);font-size:22px;line-height:1.4;position:relative}.course-callout cite{display:block;margin-top:12px;font-family:var(--course-sans);font-size:13px;font-style:normal;color:#b9b7d6;letter-spacing:.02em}.course-surface .page-faq dt{font-size:16px}.course-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:40px 0 0;border-top:1px solid var(--course-line);padding-top:28px}.course-prevnext-link{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--course-line);border-radius:14px;text-decoration:none;color:var(--course-ink);background:var(--course-card);transition:border-color .18s ease,transform .18s ease}.course-prevnext-link:hover{border-color:var(--course-accent);transform:translateY(-2px)}.course-prevnext-link span{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--course-muted)}.course-prevnext-link strong{font-size:15px;line-height:1.35}.course-prevnext-link--next{text-align:right}.course-prevnext-empty{border:1px dashed var(--course-line);border-radius:14px}.course-back{text-align:center;margin:26px 0 0}.course-back a{color:var(--course-accent-ink);text-decoration:none;font-weight:600;font-size:14px}.course-nav{margin:36px 0 0}.course-nav>h2{font-family:var(--course-serif);font-weight:400;font-size:24px;margin:0 0 14px}.course-surface .page-cta{max-width:760px;margin:44px auto 0;background:var(--course-ink);color:#f3f2ff;border-radius:22px;padding:40px 32px;text-align:center}.course-surface .page-cta h2{font-family:var(--course-serif);font-weight:400;font-size:30px;color:#fff}.course-surface .page-cta p{color:#c9c7e4;max-width:540px;margin:12px auto 22px;line-height:1.6}.course-feature{display:flex;flex-wrap:wrap;align-items:center;gap:24px;background:#1b1a23;color:#f3f2ff;border-radius:22px;padding:32px 34px;margin:8px 0 40px;position:relative;overflow:hidden}.course-feature:before{content:"";position:absolute;inset:0;background:radial-gradient(80% 130% at 100% 0,rgba(105,102,255,.38),transparent 55%);pointer-events:none}.course-feature-main{flex:1 1 320px;position:relative}.course-feature-tag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:#6966ff;padding:5px 13px;border-radius:999px}.course-feature h2{font-family:"Instrument Serif",Georgia,serif;font-weight:400;font-size:clamp(27px,4vw,40px);color:#fff;margin:14px 0 10px;line-height:1.04;letter-spacing:-.01em}.course-feature p{color:#c9c7e4;font-size:15.5px;line-height:1.55;margin:0 0 16px;max-width:540px}.course-feature-meta{display:flex;gap:8px;flex-wrap:wrap}.course-feature-meta span{font-size:12.5px;font-weight:600;color:#dad9f0;border:1px solid hsla(0,0%,100%,.18);padding:5px 13px;border-radius:999px}.course-feature-cta{flex:0 0 auto;position:relative}.course-feature-cta a{display:inline-block;background:#fff;color:#1b1a23;font-weight:700;font-size:15px;padding:14px 26px;border-radius:12px;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease}.course-feature-cta a:hover{transform:translateY(-2px);box-shadow:0 12px 28px -14px rgba(0,0,0,.6)}@media (max-width:640px){.course-hero{padding-top:52px}.course-content{padding:8px 20px 36px}.course-lesson-inner{padding:44px 20px 36px}.course-curriculum:before{left:27px}.course-chapter-badge{width:40px;height:40px;font-size:22px}.course-chapter-link{padding:16px;gap:14px}.course-chapter-arrow{display:none}.course-prevnext{grid-template-columns:1fr}.course-prevnext-link--next{text-align:left}.course-callout{font-size:19px;padding:20px 22px}.course-prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:14px}.course-feature{padding:26px 22px;gap:18px}.course-feature-cta{width:100%}.course-feature-cta a{display:block;text-align:center}}