:root{color-scheme:light;--ink:#1b241d;--muted:#516055;--line:#dce7dd;--soft:#f5f8f3;--green:#176b3c;--green-dark:#0e4c2b;--mint:#d9f2df;--white:#fff;--shadow:0 18px 50px rgba(30,68,39,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(155deg,#f8faf7 0,#f2f8f2 43%,#fff 100%);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,a{touch-action:manipulation}
a{color:var(--green);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--green-dark)}
a:focus-visible,button:focus-visible,audio:focus-visible{outline:3px solid #278d51;outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:16px;top:-80px;background:#fff;padding:10px 16px;z-index:10}
.skip-link:focus{top:12px}
.shell{width:min(1120px,calc(100% - 40px));margin:auto}
.site-header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:27px 0;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:-.03em;font-size:21px;line-height:1.2}
.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;background:#1db954;border-radius:10px;color:#102a19;font-size:19px;line-height:1}
.nav{display:flex;gap:23px;flex-wrap:wrap;font-size:14px;font-weight:650}
.nav a{text-decoration:none;color:var(--muted)}
.nav a[aria-current="page"],.nav a:hover{color:var(--green)}
.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-weight:800;font-size:12px;color:var(--green);margin:0 0 12px}
.intro,.article-head{padding:64px 0 30px;max-width:810px}
h1,h2,h3{font-weight:760;line-height:1.17;letter-spacing:-.045em}
h1{font-size:clamp(40px,6vw,70px);margin:0 0 20px}
h2{font-size:clamp(26px,3.2vw,37px);margin:0 0 16px}
h3{font-size:21px;margin:0 0 9px}
.lede{font-size:clamp(19px,2.2vw,23px);line-height:1.52;color:#344538;margin:0 0 28px}
.meta{color:var(--muted);font-size:14px;margin:0 0 12px}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 20px}
.pill{padding:7px 12px;border:1px solid #cbe4d0;border-radius:999px;background:#ebf7ec;color:#285b38;font-size:13px;font-weight:650}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) minmax(220px,1fr);gap:52px;align-items:start;padding-bottom:70px}
.article{min-width:0}
.article section{margin:0 0 52px;scroll-margin-top:20px}
.article p{margin:0 0 17px}
.article ul,.article ol{padding-left:24px;margin:0 0 20px}
.article li{padding-left:5px;margin:0 0 9px}
.article strong{font-weight:760}
.side{position:sticky;top:24px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.8);padding:23px;box-shadow:var(--shadow);font-size:14px}
.side h2{font-size:16px;letter-spacing:0;margin-bottom:13px}
.side ul{list-style:none;margin:0;padding:0}
.side li{margin:0 0 8px}
.side a{text-decoration:none}
.side .side-divider{border-top:1px solid var(--line);margin:17px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:28px;margin:0 0 22px}
.card.soft{background:var(--soft);box-shadow:none}
.card.highlight{background:linear-gradient(130deg,#eaf8ed,#fff);border-color:#bde2c4}
.card h2,.card h3{margin-top:0}
.card p:last-child,.card ul:last-child,.card ol:last-child{margin-bottom:0}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:0 0 72px}
.guide-card{display:flex;flex-direction:column;min-height:245px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;text-decoration:none;color:inherit;box-shadow:var(--shadow)}
.guide-card:hover{color:inherit;border-color:#a3d8ae;transform:translateY(-2px)}
.guide-card small{color:var(--green);font-weight:800;text-transform:uppercase;letter-spacing:.13em}
.guide-card h2{font-size:27px;margin:17px 0 10px}
.guide-card p{color:var(--muted);margin:0 0 16px}
.guide-card span:last-child{margin-top:auto;color:var(--green);font-weight:750}
.button{display:inline-block;padding:13px 20px;border-radius:999px;background:#1db954;color:#102615;text-decoration:none;font-weight:790;line-height:1.3}
.button:hover{background:#35cf6d;color:#102615}
.button.secondary{background:#fff;border:1px solid #b9d8bd}
.cta{margin:0 0 72px;padding:34px;background:#163b25;color:#fff;border-radius:25px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{margin:0 0 8px;font-size:29px}
.cta p{margin:0;color:#d6ead9}
.cta code{color:#fff}
.breadcrumb{font-size:14px;margin:20px 0 0;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.example{border-left:4px solid #1db954;padding:18px 22px;background:#f2f9f2;border-radius:0 15px 15px 0;margin:20px 0}
.example p{margin:0 0 8px}
.example p:last-child{margin:0}
.label{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green)}
.audio-demo{background:#152b1e;color:#fff;border-radius:20px;padding:26px;margin:24px 0}
.audio-demo h3{color:#fff}
.audio-demo p{color:#d6e9da}
.audio-demo audio{width:100%;margin:8px 0 10px}
.audio-demo a{color:#99e3ad}
.audio-demo details{color:#e7f5ea}
.audio-demo summary{cursor:pointer;font-weight:700}
.audio-demo details p{margin:13px 0 0}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:17px;margin:23px 0}
table{width:100%;border-collapse:collapse;min-width:560px;background:#fff;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:16px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{background:#f0f6f0;color:#244b2e;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.93em;overflow-wrap:anywhere}
.snippet{white-space:pre-wrap;background:#142b1d;color:#fff;padding:19px;border-radius:14px;overflow-wrap:anywhere;font-size:14px;line-height:1.55;margin:19px 0}
.more-guides{border-top:1px solid var(--line);padding:32px 0 55px}
.more-guides h2{font-size:27px}
.more-guides ul{display:flex;gap:13px;flex-wrap:wrap;list-style:none;padding:0;margin:0}
.more-guides a{display:inline-block;background:#fff;border:1px solid var(--line);padding:9px 14px;border-radius:999px;text-decoration:none;font-size:14px;font-weight:680}
.site-footer{border-top:1px solid var(--line);padding:30px 0 45px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.site-footer p{margin:0}
@media(max-width:790px){.article-layout{display:block}.side{display:none}.guide-grid{grid-template-columns:1fr}.intro,.article-head{padding-top:42px}.cta{display:block}.cta .button{margin-top:20px}}
@media(max-width:560px){.site-header{align-items:flex-start;gap:12px}.nav{justify-content:flex-end;gap:8px 12px;font-size:13px}.brand{font-size:16px;gap:8px;white-space:nowrap;flex:none}.brand-icon{width:28px;height:28px}.card,.guide-card{padding:22px}.shell{width:min(100% - 28px,1120px)}.cta{padding:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-card:hover{transform:none}}
@media(max-width:560px){.table-wrap{overflow:visible}table{min-width:0}thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}tbody,tr,td{display:block}tr{border-bottom:1px solid var(--line)}tr:last-child{border-bottom:0}td{border:0;padding:10px 15px}td:first-child{font-weight:760;color:#244b2e;padding-bottom:2px}td:last-child{padding-top:2px}}