:root{
  --bg:#fbfbfd; --panel:#fff; --ink:#1d1d1f; --muted:#6e6e73;
  --accent:#0b6bcb; --border:#e3e3e8; --code-bg:#f4f4f7;
  --ink-deep:#0b1020; --maxw:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
main.full{padding:0}
main.wrap{padding-top:32px;padding-bottom:48px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}
img{max-width:100%;height:auto;display:block}

.site-header{background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{font-weight:600;color:var(--ink);font-size:17px;display:inline-flex;align-items:center;gap:9px}
.brand-icon{width:24px;height:24px;display:block}
.site-header nav a{margin-left:20px;color:var(--muted);font-size:15px}
.site-header nav a.on{color:var(--ink);font-weight:600}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 50% -10%,#1b2a4a 0%,var(--ink-deep) 60%);color:#fff;
  padding:64px 0 0;overflow:hidden}
.hero-inner{text-align:center}
.hero-icon{width:112px;height:112px;margin:0 auto 22px;display:block;
  filter:drop-shadow(0 14px 28px rgba(0,0,0,.5))}
.hero h1{font-size:52px;line-height:1.05;margin:0 0 18px;letter-spacing:-.02em}
.hero .lede{max-width:64ch;margin:0 auto 26px;font-size:19px;color:#c9d2e3}
.cta-row{display:flex;gap:16px;align-items:center;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;border-radius:980px;
  font-weight:600;font-size:16px}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn-soft{background:rgba(255,255,255,.12);color:#fff;cursor:default}
.req{color:#9fb0cc;font-size:14px}
.hero-shot{max-width:1000px;width:92%;margin:0 auto;border-radius:14px 14px 0 0;
  box-shadow:0 30px 80px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.08);border-bottom:none}

/* Features */
.features{padding:72px 24px 8px}
.feature{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center;margin:0 0 72px}
.feature.rev .feature-text{order:2}
.feature.rev .feature-shot{order:1}
.kicker{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 8px}
.feature h2{font-size:30px;line-height:1.15;margin:0 0 14px;letter-spacing:-.01em}
.feature-text p{font-size:17px;color:#33384a;max-width:48ch}
.feature-shot{margin:0}
.feature-shot img{border-radius:12px;border:1px solid var(--border);box-shadow:0 18px 50px rgba(20,30,60,.16)}
.feature-noshot{grid-template-columns:1fr;text-align:center;margin-bottom:56px}
.feature-noshot .feature-text p{max-width:60ch;margin-left:auto;margin-right:auto}

/* Platforms band */
.platforms{padding:8px 24px 8px}
.platforms .wrap{background:var(--panel);border:1px solid var(--border);border-radius:14px;
  padding:32px 36px;text-align:center}
.platforms h2{font-size:26px;margin:0 0 12px;letter-spacing:-.01em}
.platforms p{max-width:64ch;margin:0 auto;color:#33384a;font-size:17px}

/* Closer */
.closer{background:var(--ink-deep);color:#fff;padding:72px 0;text-align:center;margin-top:24px}
.closer h2{font-size:30px;max-width:24ch;margin:0 auto 14px;line-height:1.2}
.closer p{max-width:60ch;margin:0 auto 28px;color:#c9d2e3;font-size:18px}
.closer .link{color:#9ec3ff}

/* Help hub */
.intro h1{font-size:30px;line-height:1.2;margin:0 0 12px}
.intro p{max-width:70ch;color:#333}
#q{width:100%;max-width:480px;margin-top:18px;padding:11px 14px;font-size:15px;
  border:1px solid var(--border);border-radius:10px;background:#fff}
#q:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.layout{display:grid;grid-template-columns:240px 1fr;gap:40px;margin-top:32px}
.toc{position:sticky;top:80px;align-self:start;max-height:calc(100vh - 100px);overflow:auto}
.toc-title{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.toc ul{list-style:none;margin:0;padding:0}
.toc li{margin:0 0 2px}
.toc a{display:block;padding:5px 10px;border-radius:7px;color:#333;font-size:14px}
.toc a:hover{background:#eef1f5;text-decoration:none}
.section{background:var(--panel);border:1px solid var(--border);border-radius:14px;
  padding:24px 28px;margin:0 0 20px;scroll-margin-top:72px}
.section h2{font-size:21px;margin:0 0 14px;display:flex;align-items:baseline;gap:8px}
.section .anchor{color:var(--border);font-weight:400;font-size:16px;opacity:0;transition:opacity .15s}
.section:hover .anchor{opacity:1}
.section h3{font-size:16px;margin:20px 0 8px}
.section h4{font-size:15px;margin:16px 0 6px;color:#333}
.section p{margin:10px 0}
.section ul,.section ol{margin:10px 0;padding-left:22px}
.section li{margin:4px 0}
.section blockquote{margin:12px 0;padding:8px 16px;border-left:3px solid var(--accent);
  background:#f5f8fc;color:#333;border-radius:0 8px 8px 0}
.section hr{border:0;border-top:1px solid var(--border);margin:20px 0}
code{background:var(--code-bg);padding:2px 6px;border-radius:6px;
  font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
pre{background:var(--code-bg);border:1px solid var(--border);border-radius:10px;
  padding:14px 16px;overflow:auto;margin:12px 0}
pre code{background:none;padding:0;font-size:13px}

/* Privacy */
.legal{background:var(--panel);border:1px solid var(--border);border-radius:14px;
  padding:28px 32px;max-width:78ch}
.legal h1{font-size:28px;margin:0 0 4px}
.legal h2{font-size:18px;margin:26px 0 8px}
.legal p{margin:10px 0;color:#333}

.site-footer{border-top:1px solid var(--border);background:var(--panel);margin-top:24px}
.site-footer .wrap{padding-top:20px;padding-bottom:28px}
.site-footer p{margin:4px 0;font-size:14px;color:var(--muted)}

@media (max-width:820px){
  .hero h1{font-size:38px}
  .feature{grid-template-columns:1fr;gap:22px;margin-bottom:52px}
  .feature.rev .feature-text{order:1}
  .feature.rev .feature-shot{order:2}
  .layout{grid-template-columns:1fr}
  .toc{position:static;max-height:none;margin-bottom:8px}
}