:root{--bg:#f4f4f5;--panel:#fff;--text:#25262a;--muted:#696b72;--line:#d8d9dc;--accent:#f45a12;--accent-dark:#cf4305;--ink:#202126;--shadow:0 22px 70px rgba(27,29,34,.14);color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg);font-size:16px}a{color:inherit}img{display:block;max-width:100%}.shell{min-height:100vh}
.topbar{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(216,217,220,.9);background:rgba(244,244,245,.9);backdrop-filter:blur(18px)}
.nav{width:min(1120px,calc(100% - 40px));min-height:64px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font-size:18px;font-weight:780}.logo{width:36px;height:36px;display:grid;place-items:center;border-radius:8px;background:var(--ink);color:#fff;font-size:14px;font-weight:850}.navlinks{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:14px}.navlinks a{text-decoration:none}.navlinks a:hover{color:var(--text)}
.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 19px;border:1px solid transparent;border-radius:8px;text-decoration:none;font-weight:730}.button.primary{color:#fff;background:var(--accent);box-shadow:0 10px 24px rgba(244,90,18,.22)}.button.primary:hover{background:var(--accent-dark)}.button.secondary{background:var(--panel);border-color:var(--line)}
.breadcrumb{width:min(1120px,calc(100% - 40px));margin:0 auto;padding-top:28px;color:var(--muted);font-size:14px}.breadcrumb a{text-underline-offset:3px}.hero{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:48px 0 76px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(480px,1.1fr);align-items:center;gap:52px}.eyebrow{display:inline-flex;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--muted);font-size:13px;font-weight:680}h1{margin:22px 0 18px;font-size:clamp(42px,5.8vw,72px);line-height:.98;letter-spacing:-.035em}.lead{max-width:620px;margin:0;color:var(--muted);font-size:21px;line-height:1.48}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.note{margin:16px 0 0;color:var(--muted);font-size:14px;line-height:1.5}.window{overflow:hidden;margin:0;border:1px solid #cfd0d4;border-radius:14px;background:#ececef;box-shadow:var(--shadow)}.window img{width:100%;height:auto}
.section{width:min(1040px,calc(100% - 40px));margin:0 auto;padding:80px 0}.section+.section{border-top:1px solid var(--line)}.section-head{max-width:760px;margin-bottom:34px}h2{margin:0 0 14px;font-size:clamp(31px,4vw,48px);line-height:1.06;letter-spacing:-.025em}.section-head p,.prose p,.card p,.faq p{color:var(--muted);line-height:1.68}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.card h3{margin:0 0 10px;font-size:20px;line-height:1.25}.card p{margin:0}.step{color:var(--accent-dark);font-size:13px;font-weight:800;letter-spacing:.08em}.proof{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:42px;align-items:center}.checklist{margin:22px 0 0;padding:0;list-style:none}.checklist li{position:relative;padding:10px 0 10px 30px;line-height:1.5}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--accent-dark);font-weight:800}.prose{max-width:780px}.prose h2{margin-top:54px}.prose h3{margin:32px 0 8px;font-size:22px}.prose p{margin:0 0 18px}.faq{display:grid;gap:12px}.faq details{padding:20px 22px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.faq summary{cursor:pointer;font-weight:720;line-height:1.35}.faq p{margin:12px 0 0}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related a{padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--panel);text-decoration:none;font-weight:700;line-height:1.35}.related a:hover{border-color:var(--accent)}
.fact-list{display:grid;gap:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.fact-row{display:grid;grid-template-columns:minmax(150px,.34fr) minmax(0,1fr);gap:24px;padding:20px 24px}.fact-row+.fact-row{border-top:1px solid var(--line)}.fact-row strong{line-height:1.5}.fact-row span{color:var(--muted);line-height:1.6}.example-doc{margin:0;padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.example-doc h3{margin:0 0 16px;font-size:20px}.example-doc dl{display:grid;grid-template-columns:minmax(130px,.3fr) minmax(0,1fr);gap:12px 24px;margin:0}.example-doc dt{font-weight:750}.example-doc dd{margin:0;color:var(--muted);line-height:1.55}.caption{margin:14px 0 0;color:var(--muted);font-size:14px;line-height:1.55}
.download{width:min(1040px,calc(100% - 40px));margin:24px auto 80px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-radius:16px;color:#fff;background:var(--ink)}.download h2{font-size:32px}.download p{margin:8px 0 0;color:#c7c8cc;line-height:1.5}footer{width:min(1120px,calc(100% - 40px));margin:auto;padding:26px 0 44px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}footer a{text-underline-offset:3px}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:34px}.hero-copy{max-width:760px}.proof{grid-template-columns:1fr}.grid-3,.related{grid-template-columns:1fr 1fr}.navlinks>a:not(.button){display:none}}
@media(max-width:620px){.nav,.breadcrumb,.hero,.section,.download,footer{width:min(100% - 28px,1120px)}.hero{padding-bottom:54px;gap:32px}h1{font-size:40px;overflow-wrap:break-word}.lead{font-size:18px}.grid-2,.grid-3,.related,.fact-row,.example-doc dl{grid-template-columns:1fr}.fact-row,.example-doc dl{gap:6px}.section{padding:58px 0}.download{align-items:flex-start;flex-direction:column;padding:28px}footer{flex-direction:column}}
.button.primary{color:#fff;background:#cf4305;box-shadow:0 10px 24px rgba(207,67,5,.22)}.button.primary:hover{background:#a93503}.skip-link{position:fixed;top:10px;left:10px;z-index:100;padding:10px 14px;border-radius:6px;color:#fff;background:var(--ink);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}a:focus-visible,summary:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.section[id]{scroll-margin-top:80px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.fact-list{margin:0}.fact-row dt{font-weight:750;line-height:1.5}.fact-row dd{margin:0;color:var(--muted);line-height:1.6}