learning-progress[data-astro-cid-f67lp4hs]{display:block}.learn{--learn-green:#254f3f;--learn-paper:#edf2e9}.learn [hidden]{display:none!important}.learn h1,.learn h2,.learn h3{letter-spacing:-.035em;font-weight:500}.learn h1{font-size:clamp(2.8rem,5.6vw,5.6rem)}.learn h2{font-size:clamp(1.9rem,3vw,3rem)}.learn h3{font-size:1.25rem}.learn a,.learn button,.learn summary{touch-action:manipulation}.learn a:focus-visible,.learn button:focus-visible,.learn summary:focus-visible{outline:3px solid var(--mint-700);outline-offset:5px}.learn .eyebrow{letter-spacing:.1em;font-size:.65rem}.learn .button{cursor:pointer}.learn-breadcrumbs{color:var(--ink-2);flex-wrap:wrap;align-items:center;gap:.6rem;padding-block:1.5rem;font-size:.75rem;display:flex}.learn-breadcrumbs a{text-decoration:none}.learn-breadcrumbs span[aria-hidden]{color:#94a298}.learn-hero{grid-template-columns:1fr 1.04fr;align-items:center;gap:clamp(2rem,5vw,5rem);padding-block:4.5rem 5rem;display:grid}.learn-hero h1{margin-bottom:1.5rem}.learn-hero .lede{max-width:33rem;font-size:1.08rem}.learn-hero .button-row{margin-top:2rem}.learn-meta{color:#52645a;font:.7rem/1.7 var(--mono);flex-wrap:wrap;gap:.55rem 1.2rem;margin-top:1.5rem;display:flex}.learn-player-card{background:#e9f0e4;border:1px solid #c7d4c4;overflow:hidden}.learn-chapter-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:1rem;margin-bottom:2rem;display:flex}.learn-chapter-head h2{margin-bottom:0}.learn-courses{border-top:1px solid var(--line);padding-block:4rem 5rem}.learn-course-grid{grid-template-columns:1fr 1fr;gap:1.1rem;display:grid}.learn-course-card{border:1px solid var(--line);background:#fffefa;text-decoration:none;transition:border-color .2s,background .2s;display:block;overflow:hidden}.learn-course-card:hover{background:#f2f6ed;border-color:#548671}.learn-course-visual{background:#e9f0e4;border-bottom:1px solid #d4ddcf;grid-template-columns:1fr auto;align-items:start;height:14rem;padding:1rem 1.5rem;display:grid}.learn-course-card:nth-child(2) .learn-course-visual{background:#eeece0}.learn-course-card:nth-child(3) .learn-course-visual{background:#f3ecdf}.learn-course-card:nth-child(4) .learn-course-visual{background:#e6ecea}.learn-course-visual img{object-fit:contain;width:100%;height:12.5rem}.learn-course-number{color:#40513a;font:.8rem var(--mono)}.learn-course-copy{padding:1.6rem 1.8rem}.learn-course-copy h3{margin-bottom:.55rem;font-size:1.7rem}.learn-course-copy p{margin-bottom:1.2rem;font-size:.9rem}.learn-card-foot{color:var(--mint-700);font:.68rem/1.6 var(--mono);flex-wrap:wrap;justify-content:space-between;gap:.5rem;display:flex}.learn-first{color:#eef3e8;background:#203b30;grid-template-columns:1fr 1fr;gap:3.5rem;margin-bottom:4rem;padding:clamp(2rem,5vw,4rem);display:grid}.learn-first p{color:#c1cfc1}.learn-first h2{max-width:20rem;margin-bottom:1.25rem}.learn-first .eyebrow{color:#aed9b8}.learn-first ol{margin:0;padding:0;list-style:none}.learn-first li{border-bottom:1px solid #4a6251}.learn-first li a{gap:1.1rem;padding:.9rem 0;font-size:.85rem;text-decoration:none;display:flex}.learn-first li a:hover{color:#b8edc6}.learn-first li span{color:#adc6af;font-family:var(--mono)}.learn-first .button{margin-top:1rem}.learn-note{padding:1.25rem 0 3.5rem;font-size:.82rem}.learn-note a{text-underline-offset:4px}.learn-note p{margin-bottom:.5rem}.learn-resume{text-underline-offset:4px;margin-top:1rem;font-size:.8rem;display:inline-block}.learn-course-layout{grid-template-columns:minmax(0,1fr) 18rem;gap:4rem;padding-bottom:5rem;display:grid}.learn-lesson-list{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.learn-lesson-list li{border-bottom:1px solid var(--line)}.learn-lesson-list a{grid-template-columns:2.2rem 1fr auto;align-items:start;gap:1rem;padding:1.5rem 0;text-decoration:none;display:grid}.learn-lesson-list a:hover h3{color:var(--mint-700)}.learn-lesson-list h3{margin:0 0 .5rem}.learn-lesson-list p{margin:0;font-size:.83rem}.learn-index,.learn-minutes{color:#4b5a51;font:.68rem/1.6 var(--mono);padding-top:.15rem}.learn-completion{color:#4b5a51;font:.65rem/1.5 var(--mono);margin-top:.6rem;display:block}.learn-completion.is-complete{color:var(--mint-700)}.learn-reference-list{margin:0;padding:0;list-style:none}.learn-reference-list a{text-underline-offset:4px;padding:.65rem 0;font-size:.85rem;display:block}.learn-course-aside{padding-top:1rem}.learn-course-aside h3{margin-bottom:.7rem}.learn-course-aside p{font-size:.82rem}.learn-lesson-header{max-width:57rem;padding-block:2rem 2.8rem}.learn-lesson-header h1{margin-bottom:1.25rem;font-size:clamp(2.5rem,4.5vw,4.4rem)}.learn-lesson-header .lede{margin-bottom:0;font-size:1.1rem}.learn-lesson-grid{grid-template-columns:12rem minmax(0,1fr);align-items:start;gap:2.7rem;padding-bottom:5rem;display:grid}.learn-sidebar{position:sticky;top:6rem}.learn-sidebar-title{margin-bottom:1.1rem;font-size:.8rem;display:block}.learn-sidebar ol{margin:0;padding:0;list-style:none}.learn-sidebar li{border-top:1px solid var(--line)}.learn-sidebar a{color:var(--ink-2);padding:.8rem 0;font-size:.76rem;text-decoration:none;display:block}.learn-sidebar a[aria-current=page]{color:var(--mint-700);font-weight:700}.learn-sidebar a[aria-current=page]:before{content:"→ "}.learn-sidebar .learn-meta{font-size:.65rem}.learn-lesson-main{min-width:0}.learn-watch-grid{background:#e9f0e4;border:1px solid #c7d4c4;grid-template-columns:minmax(0,1fr) 14.5rem;display:grid}.learn-watch-grid .learn-player-card{border:0}.learn-controls{background:#f0f3e9;border-left:1px solid #c7d4c4;padding:1.25rem}.learn-controls h2{letter-spacing:0;margin-bottom:1.2rem;font-size:.75rem;font-weight:700}.learn-controls>p{margin:1rem 0 0;font-size:.72rem}.learn-concept{border-bottom:1px solid var(--line);padding:2rem 0;font-size:1rem}.learn-concept p{margin:0}.learn-prerequisites{margin:0 0 1.5rem;font-size:.8rem}.learn-prerequisites a{text-underline-offset:4px}.learn-instructions{margin:2.5rem 0}.learn-instructions h2{font-size:1.9rem}.learn-steps{counter-reset:lesson-step;margin:0;padding:0;list-style:none}.learn-steps li{border-top:1px solid var(--line);counter-increment:lesson-step;padding:1.3rem 0 1.3rem 3.25rem;position:relative}.learn-steps li:before{color:#396248;width:2rem;height:2rem;font:.7rem var(--mono);content:counter(lesson-step, decimal-leading-zero);background:#e2eadc;place-items:center;display:grid;position:absolute;top:1.3rem;left:0}.learn-steps h3{margin:.2rem 0 .6rem;font-size:1.15rem}.learn-steps p{margin-bottom:0;font-size:.9rem;line-height:1.8}.learn-practice{background:#f5eee0;border:1px solid #d7c8a9;padding:2rem}.learn-practice h2{font-size:1.8rem}.learn-practice h3{letter-spacing:0;margin:1.5rem 0 .6rem;font-size:.85rem;font-weight:700}.learn-practice p{font-size:.9rem}.learn-download{text-underline-offset:4px;padding-block:.5rem;font-weight:600;display:inline-block}.learn-pitfalls{margin-block:2.5rem}.learn-pitfalls h2{font-size:1.55rem}.learn-pitfalls ul{padding-left:1.25rem}.learn-pitfalls li{color:var(--ink-2);margin-bottom:.8rem;font-size:.88rem}.learn-check{border-block:1px solid var(--line);padding:1.4rem 0}.learn-check summary{cursor:pointer;font-size:.9rem;font-weight:600}.learn-check p{margin:1rem 0 0;font-size:.9rem}.learn-check small{color:var(--mint-700);font:.65rem var(--mono);margin-bottom:.5rem;display:block}.learn-complete{padding:2.5rem 0 1rem}.learn-complete p{margin:1rem 0 0;font-size:.75rem}.learn-progress-status{min-height:1.5em}.learn-next{grid-template-columns:1fr 1fr;gap:1rem;margin-block:1rem 2rem;display:grid}.learn-next a{border:1px solid var(--line);flex-direction:column;justify-content:center;gap:.5rem;min-height:6rem;padding:1.3rem;font-size:.88rem;text-decoration:none;display:flex}.learn-next a:last-child{background:#e6edde}.learn-next small{color:#596c5c;font:.65rem var(--mono)}.learn-sources{border-top:1px solid var(--line);padding-top:1.5rem}.learn-sources h2{font-size:1.25rem}.learn-sources ul{flex-wrap:wrap;gap:.6rem 1.5rem;margin:0 0 1rem;padding:0;list-style:none;display:flex}.learn-sources a{text-underline-offset:4px;font-size:.8rem}.learn-sources>p{color:#59655f;font-size:.7rem}@media (width<=1100px){.learn-watch-grid{grid-template-columns:1fr}.learn-controls{border-top:1px solid #c7d4c4;border-left:0}.learn-hero{gap:2rem}}@media (width<=850px){.learn-hero,.learn-first,.learn-course-layout{grid-template-columns:1fr}.learn-hero{padding-top:2.5rem}.learn-first{gap:1.5rem}.learn-lesson-grid{grid-template-columns:1fr;gap:1.5rem}.learn-sidebar{background:#ecefe7;padding:1rem;position:static}.learn-sidebar ol{flex-wrap:wrap;gap:0 1.2rem;display:flex}.learn-sidebar li{border:0}.learn-sidebar .learn-completion{display:none}.learn-sidebar a{padding:.4rem 0}}@media (width<=540px){.learn-course-grid{grid-template-columns:1fr}.learn-hero{padding-bottom:3rem}.learn-first{padding:1.5rem}.learn-lesson-list a{grid-template-columns:1.5rem 1fr}.learn-lesson-list .learn-minutes{grid-column:2}.learn-next{grid-template-columns:1fr}.learn-practice{padding:1.4rem}.learn-steps li{padding-left:2.75rem}}