:root{
  --bg:#ffffff; --surface:#f5f6fb; --card:#ffffff; --text:#10131a; --muted:#556071; --border:#e2e5ee;
  --brand:#4f46e5; --brand-dark:#4338ca; --link:#4338ca; --accent:#047857; --code:#eef0f7;
  --shadow:0 1px 2px rgba(16,19,26,.06),0 12px 32px rgba(16,19,26,.10);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0b0f19; --surface:#101627; --card:#141b2d; --text:#e9ecf5; --muted:#a3abc0; --border:#252d44;
    --link:#a5b4fc; --accent:#34d399; --code:#1b2338;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.4);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #f59e0b;outline-offset:3px;border-radius:6px}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:#fff;padding:10px 14px;border-radius:8px;z-index:20}
.skip:focus{left:8px}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:800}
h2{font-size:clamp(1.55rem,3vw,2.1rem);font-weight:750}
h3{font-size:1.1rem;font-weight:700;letter-spacing:-.01em}
p{margin:0}
section{padding:72px 0}
section[id]{scroll-margin-top:72px}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:650;color:var(--accent);letter-spacing:.02em;margin-bottom:14px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.section-head{max-width:70ch;margin-bottom:34px}
.section-head p{color:var(--muted);margin-top:10px;font-size:1.05rem}

/* header */
header.site{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:750;color:var(--text);text-decoration:none;letter-spacing:-.01em}
.brand img{width:30px;height:30px;border-radius:8px}
.pill{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--code);color:var(--muted);border:1px solid var(--border)}
nav.main{display:flex;align-items:center;gap:20px}
nav.main a{color:var(--muted);text-decoration:none;font-size:.95rem;font-weight:550}
nav.main a:hover{color:var(--text)}
@media (max-width:820px){nav.main a.hide-sm{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:.8rem 1.3rem;border-radius:12px;font-weight:650;text-decoration:none;border:1px solid transparent;font-size:1rem;line-height:1.2}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:var(--card);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--brand)}
.btn-sm{padding:.5rem .9rem;font-size:.92rem;border-radius:10px}
nav.main a.btn-primary{color:#fff}

/* hero */
.hero{padding:64px 0 40px;background:radial-gradient(900px 420px at 88% -8%,rgba(99,102,241,.18),transparent 70%),radial-gradient(700px 360px at -4% 0%,rgba(16,185,129,.12),transparent 70%)}
.hero .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.hero h1{margin-bottom:18px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 14px}
.fine{font-size:.9rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:22px 0 0}
.chips li{font-size:.85rem;font-weight:600;padding:6px 12px;border-radius:999px;background:var(--card);border:1px solid var(--border);color:var(--muted)}
@media (max-width:900px){.hero .grid{grid-template-columns:1fr}}

/* browser-style frame */
.frame{border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);background:var(--card)}
.frame .bar{display:flex;align-items:center;gap:6px;padding:10px 12px;background:var(--surface);border-bottom:1px solid var(--border)}
.frame .bar i{width:10px;height:10px;border-radius:50%;background:var(--border);display:block}
.frame .bar span{margin-left:8px;font-size:.75rem;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:1px 10px}
figure{margin:0}
figcaption{font-size:.9rem;color:var(--muted);margin-top:10px}

/* cards & grids */
.alt{background:var(--surface);border-block:1px solid var(--border)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.98rem}
.icon{width:38px;height:38px;border-radius:10px;background:color-mix(in srgb,var(--brand) 14%,transparent);color:var(--link);display:grid;place-items:center;margin-bottom:14px;font-weight:800}

/* steps */
ol.steps{list-style:none;counter-reset:s;display:grid;gap:16px;padding:0;margin:0;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
ol.steps li{counter-increment:s;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px 22px 22px 22px;position:relative}
ol.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:750;margin-bottom:12px}
ol.steps h3{margin-bottom:6px}
ol.steps p{color:var(--muted);font-size:.98rem}

/* two-column text blocks */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
ul.ticks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
ul.ticks li{position:relative;padding-left:30px}
ul.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;background:color-mix(in srgb,var(--accent) 18%,transparent);border:2px solid var(--accent)}
ul.ticks li::after{content:"";position:absolute;left:5px;top:calc(.45em + 4px);width:4px;height:7px;border:solid var(--accent);border-width:0 2px 2px 0;transform:rotate(45deg)}
.callout{border:1px solid var(--border);border-left:4px solid #d97706;background:var(--card);border-radius:12px;padding:16px 18px;color:var(--muted);margin-top:22px}
.callout strong{color:var(--text)}

/* screenshots */
.shots{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.shots figure:first-child{grid-row:span 2}
.shots .frame img{width:100%}
@media (max-width:860px){.shots{grid-template-columns:1fr}.shots figure:first-child{grid-row:auto}}

/* get started */
pre{margin:12px 0 0;background:var(--code);border:1px solid var(--border);border-radius:10px;padding:12px 14px;overflow-x:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:.86rem/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--text)}
code{font:.9em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--code);padding:1px 6px;border-radius:6px}
pre code{background:none;padding:0}
.card .btn{margin-top:14px}

/* faq */
details.faq{background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:12px}
details.faq summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:650;display:flex;justify-content:space-between;gap:16px;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--muted);flex:none}
details.faq[open] summary::after{content:"\2212"}
details.faq p{padding:0 20px 18px;color:var(--muted)}

/* footer */
footer{border-top:1px solid var(--border);background:var(--surface);padding:40px 0;color:var(--muted);font-size:.93rem}
footer .cols{display:flex;flex-wrap:wrap;gap:16px 32px;justify-content:space-between;align-items:flex-start}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px}
footer p+p{margin-top:10px}
footer .legal{margin-top:22px;font-size:.85rem;max-width:90ch}

/* inner pages */
.narrow{width:min(800px,100% - 32px);margin-inline:auto}
.crumbs{font-size:.88rem;color:var(--muted);padding:22px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--text)}
.article{padding:14px 0 72px}
.article section{padding:0}
.article h1{font-size:clamp(1.85rem,4.4vw,2.6rem);margin:10px 0 14px}
.article .lede{font-size:1.14rem;color:var(--muted);max-width:none}
.article .meta{font-size:.88rem;color:var(--muted);margin:14px 0 24px}
.article h2{margin:44px 0 12px;font-size:1.5rem}
.article h3{margin:26px 0 8px}
.article p{margin:0 0 15px}
.article ul,.article ol{padding-left:1.3rem;margin:0 0 16px}
.article li{margin:7px 0}
.article figure{margin:22px 0}
.article .frame{margin:0}
.toc{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 20px;margin:0 0 6px}
.toc strong{display:block;margin-bottom:6px}
.toc ol{margin:0;padding-left:1.2rem}
.toc a{color:var(--link)}
.answer{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--brand);border-radius:12px;padding:16px 18px;margin:0 0 18px}
.answer p:last-child{margin-bottom:0}
.table-wrap{overflow-x:auto;margin:18px 0}
.article table{border-collapse:collapse;width:100%;min-width:560px;font-size:.94rem}
.article th,.article td{border:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top}
.article th{background:var(--surface)}
.faq-block h2,.related-block h2{margin:44px 0 14px}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.related a{display:block;padding:16px;border:1px solid var(--border);border-radius:14px;text-decoration:none;color:var(--text);background:var(--card);font-weight:650}
.related a:hover{border-color:var(--brand)}
.related a span{display:block;margin-top:6px;color:var(--muted);font-size:.9rem;font-weight:400}
.card.guide{text-decoration:none;color:inherit;display:block}
.card.guide:hover{border-color:var(--brand)}
.sitelist{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:12px}
.sitelist li{padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--card);margin:0}
.sitelist a{font-weight:650}
.sitelist span{display:block;color:var(--muted);font-size:.93rem;margin-top:3px}
.cta-band{margin:36px 0 0;padding:22px;border-radius:16px;background:var(--surface);border:1px solid var(--border);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.cta-band p{margin:0;max-width:52ch}
.checklist{list-style:none;padding-left:0 !important}
.checklist li{position:relative;padding-left:28px}
.checklist li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:14px;border-radius:4px;border:2px solid var(--accent)}
footer .cols > div{min-width:170px}
footer ul{display:grid;gap:8px}
footer p{margin:0 0 8px}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(310px,1fr))}