@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,600;9..40,700&display=swap');
:root{--ink:#0a0c0f;--paper:#f5f5f2;--white:#fff;--muted:#60646c;--line:#d5d7d9;--blue:#1c69d4;--blue-dark:#0653b6;--warning:#f0b323;--max:1120px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 'DM Sans',Arial,sans-serif}a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.skip-link{position:fixed;top:10px;left:10px;background:#fff;padding:12px;transform:translateY(-150%);z-index:50}.skip-link:focus{transform:none}.site-header{height:78px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - var(--max))/2));border-bottom:1px solid #32363d}.brand{display:flex;align-items:center;gap:12px;min-height:44px;font-weight:700;letter-spacing:.13em}.brand-mark{width:36px;height:36px;border:2px solid;display:grid;place-items:center;font-size:19px}.site-header nav{display:flex;gap:26px;font-size:14px;font-weight:600}.site-header nav a{min-height:44px;display:flex;align-items:center;border-bottom:2px solid transparent}.site-header nav a:hover{border-color:var(--blue)}.guide-hero{background:var(--ink);color:#fff;padding:82px max(24px,calc((100vw - 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var(--max))/2))}.related h2{font-size:34px;font-weight:400;margin:0 0 30px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.related-grid a{min-height:150px;padding:25px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.related-grid a:hover{background:var(--ink);color:#fff}.related-grid strong,.related-grid span{display:block}.related-grid span{color:var(--muted);font-size:14px;margin-top:9px}.related-grid a:hover span{color:#adb2b9}.cta{background:var(--blue);color:#fff;padding:70px max(24px,calc((100vw - var(--max))/2))}.cta h2{font-size:42px;font-weight:300;margin:0 0 15px}.cta p{font-size:18px;max-width:700px}.button{display:inline-flex;min-height:52px;align-items:center;padding:0 22px;background:#fff;color:var(--ink);font-weight:700;margin:10px 10px 0 0}.button.secondary{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7)}footer{background:var(--ink);color:#fff;padding:50px max(24px,calc((100vw - var(--max))/2));display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}footer p{color:#7f858e;max-width:600px;font-size:12px}footer nav{display:flex;gap:20px;flex-wrap:wrap}footer a{min-height:44px;display:flex;align-items:center}
@media(max-width:850px){.site-header nav{display:none}.guide-layout{grid-template-columns:1fr}.toc{position:static}.toc a{display:inline-block;margin-right:16px}.fact-grid,.related-grid{grid-template-columns:1fr}.guide-hero{padding-top:55px}}
@media(max-width:500px){.guide-layout{width:min(100% - 32px,var(--max));padding-top:50px}.guide-hero{padding-left:16px;padding-right:16px}.guide-hero h1{font-size:42px}.guide-meta{gap:12px}.article p,.article li{font-size:16px}.code-table{font-size:13px}.code-table th,.code-table td{padding:10px 5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}