@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;550;600;650;700&family=Manrope:wght@500;600;650;700;750;800&display=swap');
:root{--ink:#132c37;--muted:#536b75;--line:#d8e3e8;--paper:#f7fafb;--cyan:#a1edf0;--pink:#bf1167;--max:1180px;font-family:'DM Sans',sans-serif;color:var(--ink);background:var(--paper);font-size:16px;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}a:focus-visible,summary:focus-visible{outline:3px solid var(--pink);outline-offset:5px}html{scroll-behavior:smooth;scroll-padding-top:28px}.skip{position:fixed;top:-100px;left:12px;background:white;padding:12px;z-index:30}.skip:focus{top:12px}h1,h2,h3{font-family:Manrope,sans-serif;letter-spacing:-.045em;line-height:1.13;margin:0}p{line-height:1.7}h1{font-size:clamp(40px,4.8vw,66px);font-weight:800}h2{font-size:30px}h3{font-size:21px}.header{max-width:1320px;width:calc(100% - 80px);min-height:104px;margin:auto;display:flex;align-items:center;gap:25px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-family:Manrope,sans-serif;font-weight:800;font-size:20px;line-height:1.2}.brand b{font-weight:500;letter-spacing:.01em}.brand small{display:block;font-family:'DM Sans',sans-serif;font-size:12px;letter-spacing:.16em;color:var(--muted);margin-top:6px;font-weight:650}.brand-mark{height:41px;width:41px;background:var(--ink);border-radius:10px;display:grid;place-items:center;color:var(--cyan);font-size:27px}.header nav{margin-left:auto;display:flex;gap:25px;font-size:14px;font-weight:600}.header nav a:hover,.header nav a[aria-current]{color:var(--pink)}.store-link{background:var(--ink);color:white;padding:12px 18px;border-radius:6px;font-size:14px;font-weight:650;white-space:nowrap}.store-link span{margin-left:15px}.section-wrap{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.eyebrow{font-size:12px;font-weight:650;letter-spacing:.1em;line-height:1.6;color:var(--muted);margin:0 0 18px}.home-hero{width:min(var(--max),calc(100% - 96px));margin:auto;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;padding:65px 0 62px}.hero-copy h1 em{font-style:normal;color:#007984}.hero-copy .intro{max-width:470px;font-size:17px;color:var(--muted);margin:27px 0}.tiny-rule{width:23px;height:2px;display:inline-block;background:var(--pink);vertical-align:middle;margin-right:8px}.hero-actions{display:flex;align-items:start;flex-direction:column;gap:17px}.button{display:inline-flex;align-items:center;justify-content:center;gap:30px;background:var(--ink);color:white;font-size:14px;font-weight:650;padding:16px 22px;border-radius:6px;line-height:1.5}.button:hover{background:#254655}.text-link{font-size:14px;text-decoration:underline;text-underline-offset:5px;font-weight:550;line-height:1.6}.text-link:hover{color:var(--pink)}.hero-footnote{display:flex;gap:22px;font-size:12px;letter-spacing:.04em;margin-top:35px;color:#657c87}.course-sheet{background:white;border:1px solid #d1e1e7;border-radius:15px;padding:29px;box-shadow:0 24px 65px #153b4c0a;position:relative}.course-sheet:before{content:'';position:absolute;left:29px;right:29px;top:-1px;height:3px;background:#1392a0}.sheet-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:650;letter-spacing:.065em;color:#4a707d;margin-bottom:18px}.course-sheet h2{font-size:31px;margin-bottom:22px}.course-list a{display:flex;gap:17px;align-items:start;border-top:1px solid var(--line);padding:21px 0}.course-list a:hover strong{color:#007984}.step-number{font-size:14px;color:#728a93;line-height:1.55;min-width:20px}.course-list strong{display:block;font-size:17px;font-weight:650;line-height:1.45}.course-list small{display:block;font-size:14px;line-height:1.6;color:var(--muted);margin-top:5px}.step-arrow{margin-left:auto;line-height:1.7;color:#007984}.sheet-note{font-size:12px;line-height:1.8;margin:3px 0 0;border-top:1px solid var(--line);padding-top:17px;color:var(--muted)}.sheet-note a{font-weight:600;text-decoration:underline;text-underline-offset:3px}.reference-preview{border-top:1px solid var(--line);padding-top:40px;padding-bottom:45px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:26px}.section-heading .eyebrow{margin-bottom:9px}.mode-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.mode-card{min-width:0;background:#edf4f6;border:1px solid #d9e5e9;border-radius:9px;padding:26px;transition:border-color .15s,background .15s}.mode-card:hover{border-color:#81b8c3;background:#e8f2f5}.mode-label{font-size:12px;letter-spacing:.075em;font-weight:650;color:#426473}.control-tokens{display:flex;align-items:center;gap:10px;margin:24px 0}.control-tokens span{display:grid;place-items:center;font-family:Manrope,sans-serif;font-size:24px;background:white;border:1px solid #c2d6df;border-radius:8px;width:48px;height:48px;box-shadow:0 3px 0 #d7e6ed}.control-tokens .stick{border-radius:50%;font-size:14px}.control-tokens i{font-style:normal;font-size:13px;color:#6a8490}.mode-card p{font-size:15px;color:var(--muted);margin:14px 0 21px}.mode-link{font-size:13px;font-weight:600;color:#226570;display:flex;gap:12px;justify-content:space-between;line-height:1.6}.community{display:flex;align-items:center;gap:25px;background:var(--ink);border-radius:12px;color:white;padding:32px;margin-bottom:50px}.community-mark{display:grid;place-items:center;background:#29424e;color:var(--cyan);border:1px solid #45606b;border-radius:50%;width:52px;height:52px;flex-shrink:0;font-size:28px;font-weight:500}.community .eyebrow{font-size:12px;color:var(--cyan);margin-bottom:8px}.community h2{font-size:27px}.community p:last-child{font-size:14px;margin:12px 0 0;color:#b7cbd5;max-width:530px}.community .button{margin-left:auto;flex-shrink:0}.button.secondary{background:#c2f0f1;color:var(--ink)}.button.secondary:hover{background:white}.footer{width:min(var(--max),calc(100% - 96px));margin:auto;padding:33px 0 35px;display:grid;grid-template-columns:1.2fr 1fr .5fr;gap:30px;border-top:1px solid var(--line)}.footer-brand{font-family:Manrope,sans-serif;font-weight:800;font-size:15px;letter-spacing:.05em}.footer p{font-size:13px;line-height:1.8;color:var(--muted);margin:12px 0 0}.footer>div>strong{display:block;font-size:13px;margin-bottom:12px}.footer>div>a:not(.footer-brand){display:block;font-size:13px;line-height:1.8;margin-bottom:7px;color:var(--muted)}.footer>div>a:hover{color:var(--pink)}.footer-note{font-size:12px;color:var(--muted)}.footer-note span{display:block;margin-bottom:13px}.lesson-layout{width:min(var(--max),calc(100% - 96px));margin:auto;display:grid;grid-template-columns:240px minmax(0,1fr);gap:70px;padding:40px 0 55px}.course-sidebar{align-self:start;position:sticky;top:25px}.course-home{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:34px}.course-sidebar .eyebrow{font-size:12px;margin-bottom:14px}.course-sidebar nav{display:grid;gap:9px}.course-sidebar nav a{display:flex;align-items:center;gap:13px;font-size:14px;line-height:1.5;padding:13px 12px;border-radius:6px}.course-sidebar nav a span{font-size:12px;color:#718993}.course-sidebar nav a strong{font-weight:550}.course-sidebar nav a[aria-current]{background:var(--ink);color:white}.course-sidebar nav a[aria-current] span{color:var(--cyan)}.course-sidebar nav a:not([aria-current]):hover{background:#e8f0f4}.sidebar-help{margin-top:35px;border-top:1px solid var(--line);padding-top:23px}.sidebar-help strong{font-size:14px}.sidebar-help p{font-size:13px;color:var(--muted);margin:9px 0 12px}.sidebar-help a{font-size:13px;color:#096b79;text-decoration:underline;text-underline-offset:4px}.lesson{min-width:0;max-width:780px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:12px;color:var(--muted)}.breadcrumbs a:hover{color:var(--pink)}.lesson-heading{padding:33px 0 24px;margin-bottom:25px;border-bottom:1px solid var(--line)}.lesson-heading .eyebrow{color:#0e7884;margin-bottom:13px}.lesson-heading h1{font-size:44px;line-height:1.18}.lesson-heading>p:last-child{font-size:18px;color:var(--muted);margin:20px 0 0}.lesson section{margin-bottom:36px}.lesson section h2{font-size:26px;line-height:1.3}.lesson section p,.lesson section li{font-size:16px;line-height:1.85;color:#425e6a}.lesson section a:not(.inline-demo){text-decoration:underline;text-underline-offset:3px;color:#096b79}.lesson ul,.lesson ol{padding-left:23px}.lesson li{padding-left:4px;margin:10px 0}.check-note{border-left:3px solid #3197a4;background:#edf5f7;padding:19px 22px;margin:22px 0}.check-note strong{font-size:15px}.lesson .check-note p{font-size:15px;margin:7px 0 0}.lesson-check{padding:25px;background:white;border:1px solid #cadddf;border-radius:8px}.lesson-check>span{font-size:12px;letter-spacing:.07em;font-weight:650;color:#057785}.lesson .lesson-check h2{font-size:23px;margin-top:12px}.lesson .lesson-check p{margin-bottom:0}.lesson .lesson-check .text-link{display:inline-block;margin-top:16px}.lesson-pagination{display:grid;grid-template-columns:1fr 1fr;gap:25px;padding:25px 0;border-block:1px solid var(--line)}.lesson-pagination small{display:block;color:var(--muted);font-size:12px;letter-spacing:.075em;margin-bottom:9px}.lesson-pagination strong{display:block;font-size:15px;line-height:1.5}.lesson-pagination .next-lesson{text-align:right}.lesson-pagination a:hover strong{color:#047780}.source-note{font-size:12px;line-height:1.9;color:var(--muted);margin:25px 0 0}.source-note a{text-decoration:underline;text-underline-offset:3px}.mode-options{display:grid;gap:13px;margin-top:21px}.lesson section .mode-options a{display:grid;gap:7px;text-decoration:none;padding:20px;background:white;border:1px solid var(--line);border-radius:7px;color:var(--ink)}.mode-options a:hover{border-color:#8fbdc5}.mode-options strong{font-size:16px}.mode-options span{font-size:14px;line-height:1.7;color:var(--muted)}.inline-demo{display:flex;align-items:center;gap:18px;padding:20px;background:#eaf3f5;border:1px solid #cddfe6;border-radius:7px;margin:24px 0}.inline-demo>span:first-child{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:white;font-size:12px;flex-shrink:0}.inline-demo strong{display:block;font-size:15px}.inline-demo small{font-size:13px;line-height:1.6;color:var(--muted);display:block;margin-top:5px}.inline-demo>span:last-child{margin-left:auto;color:#0c7481}.reference-page{padding:34px 0 50px}.reference-heading{padding:35px 0 30px}.reference-heading h1{font-size:52px;line-height:1.15}.reference-heading>p:last-child{font-size:18px;color:var(--muted);max-width:630px;line-height:1.8;margin:22px 0 0}.reference-nav{display:flex;gap:12px;padding-bottom:33px}.reference-nav a{font-size:14px;border:1px solid #c5d8e0;background:white;padding:11px 18px;border-radius:5px;font-weight:550}.reference-nav a:hover{background:var(--ink);color:white}.reference-mode{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;padding:40px 0;border-top:1px solid var(--line);scroll-margin-top:20px}.reference-mode h2{font-size:31px}.reference-mode .eyebrow{font-size:12px;color:#0c7988;margin-bottom:12px}.mode-glyph{font-family:Manrope,sans-serif;font-size:36px;color:#277784;letter-spacing:.05em;margin:23px 0}.reference-mode dl{margin:0}.reference-mode dl>div{margin-bottom:24px}.reference-mode dt{font-size:12px;letter-spacing:.06em;font-weight:650;color:#667f8b;margin-bottom:7px}.reference-mode dd{font-size:17px;line-height:1.8;margin:0}.mode-note{background:#eaf2f5;border-radius:6px;padding:18px;font-size:14px;color:var(--muted);margin:5px 0 0;line-height:1.8}.reference-bottom{display:flex;justify-content:space-between;align-items:center;gap:30px;border-block:1px solid var(--line);padding:30px 0}.reference-bottom h2{font-size:28px}.reference-bottom p{color:var(--muted);margin-bottom:0}
@media(max-width:1050px){.header{width:calc(100% - 48px)}.header nav{gap:18px}.header-discord{display:none}.home-hero{gap:35px;padding-block:42px}.home-hero,.section-wrap,.footer,.lesson-layout{width:calc(100% - 64px)}.hero-footnote{gap:13px;font-size:12px}.course-sheet{padding:23px}.course-sheet h2{font-size:27px}.course-list a{gap:11px}.course-list strong{font-size:16px}.lesson-layout{grid-template-columns:200px minmax(0,1fr);gap:36px}.mode-card{padding:22px}.mode-card h3{font-size:19px}.community-mark{display:none}.reference-mode{gap:35px}}
@media(max-width:760px){.header{min-height:85px;width:calc(100% - 36px);gap:12px}.brand{font-size:16px;gap:9px}.brand-mark{width:33px;height:35px;font-size:23px}.brand small{font-size:12px}.header nav{display:none}.store-link{margin-left:auto;font-size:13px;padding:10px 13px}.store-link span{margin-left:7px}.home-hero,.section-wrap,.footer,.lesson-layout{width:calc(100% - 36px)}.home-hero{grid-template-columns:1fr;padding:35px 0 38px;gap:34px}.home-hero h1{font-size:49px}.hero-copy .intro{font-size:17px;max-width:540px;margin-top:23px}.eyebrow{font-size:12px}.hero-footnote{font-size:12px;gap:18px;margin-top:25px}.course-sheet{padding:24px}.course-list a{padding-block:18px}.course-list strong{font-size:17px}.section-heading{display:block}.section-heading h2{font-size:28px}.section-heading>.text-link{display:inline-block;margin-top:17px}.mode-cards{grid-template-columns:1fr;gap:15px}.mode-card{padding:24px;position:relative}.mode-card h3{font-size:23px;max-width:220px;margin-top:17px}.mode-card p{font-size:16px;max-width:450px}.control-tokens{position:absolute;right:23px;top:17px;margin:0;gap:6px;opacity:.9}.control-tokens span{width:30px;height:31px;border-radius:6px;font-size:19px}.control-tokens .stick{font-size:12px}.control-tokens i{font-size:12px}.mode-label{font-size:12px}.mode-link{font-size:14px}.community{flex-direction:column;align-items:start;padding:27px;gap:22px;margin-bottom:35px}.community .button{margin-left:0}.community h2{font-size:27px}.community p:last-child{font-size:15px}.footer{grid-template-columns:1fr 1fr;padding-top:29px;gap:25px}.footer-note{grid-column:1/-1;display:flex;gap:20px;align-items:center;flex-wrap:wrap}.footer-note span{margin:0}.footer>.footer-note>a{margin:0;font-size:12px}.lesson-layout{grid-template-columns:1fr;padding-top:23px;gap:30px}.course-sidebar{position:static}.course-home{margin-bottom:16px}.course-sidebar nav{grid-template-columns:1fr 1fr;gap:7px}.course-sidebar nav a{border:1px solid var(--line);font-size:13px;padding:10px;gap:8px}.course-sidebar nav a span{font-size:12px}.sidebar-help{display:none}.course-sidebar .eyebrow{margin-bottom:12px}.lesson-heading{padding-top:24px;margin-bottom:26px}.lesson-heading h1{font-size:36px}.lesson-heading>p:last-child{font-size:17px}.lesson-check{padding:22px}.lesson-pagination{gap:20px}.lesson-pagination strong{font-size:14px}.reference-heading h1{font-size:40px}.reference-heading{padding-top:25px}.reference-heading>p:last-child{font-size:17px}.reference-nav{display:grid;grid-template-columns:1fr;gap:8px;padding-bottom:24px}.reference-nav a{padding:12px 16px}.reference-mode{grid-template-columns:1fr;gap:25px;padding:30px 0}.reference-mode-title{position:relative}.mode-glyph{position:absolute;right:0;top:0;font-size:23px;margin:0;max-width:120px}.reference-mode h2{font-size:29px;padding-right:25px}.reference-mode-title .text-link{display:inline-block;margin-top:17px}.reference-mode dd{font-size:16px}.reference-bottom{display:block}.reference-bottom .button{margin-top:20px}.reference-bottom h2{font-size:26px}}
@media(max-width:380px){.home-hero h1{font-size:43px}.brand{font-size:14px}.brand small{font-size:12px}.brand-mark{width:30px}.hero-footnote{gap:12px;font-size:12px}.course-sheet{padding:21px}.course-list small{font-size:13px}.mode-card{padding:20px}.control-tokens{right:15px}.control-tokens span{width:25px;height:27px;font-size:17px}.control-tokens i{font-size:12px}.mode-card h3{font-size:21px;margin-top:22px}.footer{grid-template-columns:1fr}.footer-note{grid-column:auto}.lesson-heading h1{font-size:32px}.reference-heading h1{font-size:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Keep instructional copy readable across the course and reference. */
.mode-card p,.community p:last-child,.course-list small{font-size:16px}.mode-label{font-size:12px}.control-tokens{margin-top:25px}
@media(max-width:760px){.mode-card{padding-top:65px}.control-tokens{top:19px;margin:0}.mode-label{position:absolute;left:22px;top:23px;max-width:180px}.brand small{font-size:12px}.hero-footnote{flex-wrap:wrap;font-size:12px}.course-list small{font-size:16px}.sheet-top{font-size:12px}.community .eyebrow{font-size:12px}}