:root{--orange: #ff9635;--orange-dark: #d9741a;--teal: #007991;--teal-dark: #005b6d;--ink: #22323d;--body: #373737;--mist: #ecf0f2;--white: #ffffff;--radius: 10px;--maxw: 1100px;--read: 720px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;color:var(--body);background:var(--white);font:17px/1.7 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}img{max-width:100%;height:auto}a{color:var(--teal);text-underline-offset:2px}a:hover{color:var(--teal-dark)}h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:1.6em 0 .5em}h1{font-size:clamp(1.8rem,6vw,2.6rem);margin-top:0}h2{font-size:clamp(1.4rem,4.5vw,1.8rem)}h3{font-size:1.2rem}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 16px}.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:50}.skip:focus{left:8px;top:8px}.site-header{background:var(--white);border-bottom:1px solid var(--mist);position:sticky;top:0;z-index:20}.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.2rem}.brand img{display:block}.menu-toggle{display:none;background:var(--teal);color:#fff;border:0;border-radius:8px;padding:8px 14px;font:inherit;font-size:.95rem;cursor:pointer}.site-nav ul{list-style:none;display:flex;gap:6px;margin:0;padding:0;flex-wrap:wrap}.site-nav a{display:block;padding:8px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:500}.site-nav a:hover,.site-nav a[aria-current]{background:var(--mist);color:var(--teal-dark)}@media(max-width:720px){.menu-toggle{display:inline-block}.site-nav{display:none;width:100%;padding-bottom:10px}.site-nav.open{display:block}.site-nav ul{flex-direction:column;gap:0}.brand{font-size:1.05rem}}.hero{background:linear-gradient(135deg,var(--teal) 0%,var(--teal-dark) 100%);color:#fff;padding:64px 0 72px}.hero h1{color:#fff}.hero .kicker{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:#ffd8b0;margin:0 0 12px}.hero p.lead{font-size:1.15rem;max-width:40em;margin:0 0 24px;color:#eaf6f8}.btn{display:inline-block;background:var(--orange);color:#1b1b1b;padding:12px 22px;border-radius:999px;text-decoration:none;font-weight:700;border:2px solid var(--orange);margin:0 10px 10px 0}.btn:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff}.btn.ghost{background:transparent;color:#fff;border-color:#fff}.btn.ghost:hover{background:#fff;color:var(--teal-dark)}.btn.dark{background:var(--teal);border-color:var(--teal);color:#fff}.btn.dark:hover{background:var(--teal-dark);border-color:var(--teal-dark)}.section{padding:56px 0}.section.alt{background:var(--mist)}.section-head{margin-bottom:28px}.section-head h2{margin:0 0 6px}.section-head 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a:not(.btn){color:#ffd8b0}.page-head{background:var(--mist);padding:40px 0 28px}.page-head h1{margin-bottom:8px}.page-head .meta{margin:0}.article{max-width:var(--read);margin:0 auto;padding:32px 16px 56px}.article .hero-img{width:100%;border-radius:var(--radius);margin:0 0 24px}.prose img{border-radius:8px}.prose figure{margin:1.6em 0}.prose figcaption{font-size:.9rem;color:#5a6a74;margin-top:6px}.prose pre{background:#24292e;color:#e1e4e8;padding:16px;border-radius:8px;overflow-x:auto;font-size:.9rem;line-height:1.55}.prose code{background:#eef2f4;padding:.1em .35em;border-radius:4px;font-size:.92em;overflow-wrap:anywhere}.prose pre code{background:transparent;padding:0;overflow-wrap:normal}.prose blockquote{margin:1.4em 0;padding:.2em 1em;border-left:4px solid var(--orange);background:#fff7ef}.prose ul,.prose ol{padding-left:1.4em}.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid #dde4e8;padding:6px 10px}.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:28px 0 0}.chips a{display:inline-block;background:var(--mist);color:var(--ink);padding:4px 12px;border-radius:999px;font-size:.85rem;text-decoration:none}.chips a:hover{background:var(--teal);color:#fff}.pager{display:flex;justify-content:space-between;gap:12px;margin-top:32px;flex-wrap:wrap}.crumbs{font-size:.85rem;margin:0 0 10px}.about{display:grid;gap:28px;align-items:start}@media(min-width:760px){.about{grid-template-columns:280px 1fr}}.about img{border-radius:var(--radius);width:100%;max-width:320px}.faq details{border:1px solid #dde4e8;border-radius:var(--radius);padding:12px 16px;margin:0 0 12px;background:#fff}.faq summary{cursor:pointer;font-weight:600;color:var(--ink)}.faq details p{margin:10px 0 0}.lessons{list-style:none;padding:0;margin:0}.lessons li{border:1px solid #dde4e8;border-radius:var(--radius);margin:0 0 10px;padding:12px 16px;background:#fff}.lessons a{font-weight:600;text-decoration:none}.site-footer{background:#17232b;color:#cfd8de;padding-top:40px;font-size:.95rem}.site-footer a{color:#ffd8b0}.foot{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}.foot-title{color:#fff;font-weight:700;margin:0 0 8px}.foot ul{list-style:none;margin:0;padding:0}.foot li{margin:4px 0}.foot .legal{margin-top:10px}.copy{border-top:1px solid #2c3d48;margin-top:28px;padding:16px;text-align:center;font-size:.85rem}.copy p{margin:0}.brand img{background:var(--teal);border-radius:10px;padding:3px}.card .ph{display:flex;align-items:center;justify-content:center;aspect-ratio:3 / 2;background:linear-gradient(135deg,var(--teal) 0%,var(--teal-dark) 100%)}.card .ph img{width:96px;height:96px;aspect-ratio:auto;object-fit:contain;background:transparent}.prose{overflow-wrap:break-word}.prose a{overflow-wrap:anywhere}