:root{
  --ink:#16191D; --ink-2:#4B5563; --mute:#8A94A3; --line:#DDE2E8; --surface:#F4F6F8; --paper:#FFFFFF;
  --blue:#1D5DEB; --blue-ink:#0F3DAA; --blue-soft:#E8EFFD; --green:#158C5E; --green-soft:#E3F5EC; --amber:#B7791F; --amber-soft:#FBF1DC; --red:#C2410C; --red-soft:#FDE8DE;
  --r:6px; --r-lg:10px;
  --font:"Manrope",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.01em;font-weight:700}
h1{font-size:clamp(34px,5vw,52px);font-weight:800;letter-spacing:-.025em}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:18px}
p{margin:0}
code{font-family:var(--mono);font-size:.92em}
button{font:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--r);border:1px solid transparent;font-weight:600;cursor:pointer;text-decoration:none!important;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-ink)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--surface)}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-lg{padding:15px 26px;font-size:17px}
.btn-danger{background:#fff;border-color:var(--line);color:var(--red)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:600}
.pill-green{background:var(--green-soft);color:var(--green)}
.pill-amber{background:var(--amber-soft);color:var(--amber)}
.pill-blue{background:var(--blue-soft);color:var(--blue-ink)}
.pill-red{background:var(--red-soft);color:var(--red)}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.mute{color:var(--mute)}
.small{font-size:14px}

/* ==== prototype switcher (only for demonstration) ==== */
.proto{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);z-index:50;background:var(--ink);color:#fff;border-radius:999px;padding:6px;display:flex;gap:4px;box-shadow:0 8px 24px rgba(22,25,29,.25)}
.proto button{background:transparent;color:#cdd3dc;border:0;padding:8px 14px;border-radius:999px;cursor:pointer;font-weight:600;font-size:14px}
.proto button[aria-pressed="true"]{background:#fff;color:var(--ink)}
.view{display:none}.view.active{display:block}

/* ==== header ==== */
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo .mark{width:28px;height:28px;border-radius:7px;background:var(--ink);display:grid;place-items:center}
.logo .mark span{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(21,140,94,.25)}
nav.main{display:flex;gap:26px;align-items:center}
nav.main a{color:var(--ink-2);font-weight:500}
nav.main a:hover{color:var(--ink);text-decoration:none}
@media (max-width:760px){nav.main a.hide-m{display:none}}

/* ==== hero ==== */
.hero{padding:72px 0 56px}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media (max-width:860px){.hero .grid{grid-template-columns:1fr;gap:36px}}
.hero p.lead{font-size:19px;color:var(--ink-2);max-width:34em;margin:20px 0 28px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero .note{margin-top:14px;font-size:14px;color:var(--mute)}
.assist-logos{display:flex;gap:18px;margin-top:34px;align-items:center;flex-wrap:wrap;color:var(--ink-2);font-size:14px}
.assist-logos strong{font-weight:600;color:var(--ink)}

/* the memorable element: the connect prompt */
.prompt{background:var(--ink);color:#E6EAF0;border-radius:var(--r-lg);padding:18px 18px 16px;font-family:var(--mono);font-size:14px;line-height:1.6;position:relative;box-shadow:0 20px 50px -20px rgba(22,25,29,.5)}
.prompt .bar{display:flex;gap:6px;margin-bottom:14px;font-family:var(--font)}
.prompt .bar button{background:transparent;border:1px solid #3A414B;color:#9AA3AF;border-radius:999px;padding:4px 12px;font-size:13px;cursor:pointer}
.prompt .bar button[aria-selected="true"]{background:#fff;color:var(--ink);border-color:#fff}
.prompt .txt{white-space:pre-wrap;word-break:break-word}
.prompt .txt .k{color:#8ED0FF}
.prompt .txt .t{color:#B4F0C8}
.prompt .copy{position:absolute;right:14px;top:14px;background:#2A3038;color:#fff;border:0;border-radius:6px;padding:6px 10px;font-size:13px;font-family:var(--font);cursor:pointer}
.prompt .copy:hover{background:#3A414B}
.prompt .foot{margin-top:14px;font-family:var(--font);font-size:13px;color:#9AA3AF;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.prompt .foot b{color:#fff;font-weight:600}

/* ==== sections ==== */
section.s{padding:64px 0;border-top:1px solid var(--line)}
section.s .head{max-width:38em;margin-bottom:36px}
section.s .head p{color:var(--ink-2);margin-top:10px;font-size:17px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.step{padding:26px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.step:last-child{border-right:0}
@media (max-width:760px){.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}}
.step .n{width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.step h3{font-size:19px}
.step p{color:var(--ink-2);font-size:15px}
.step .time{margin-top:auto;font-size:13px;color:var(--mute)}

.price{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:860px){.price{grid-template-columns:1fr}}
.price-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;background:var(--surface)}
.price-card .amount{font-size:48px;font-weight:800;letter-spacing:-.03em;line-height:1}
.price-card .amount small{font-size:17px;font-weight:600;color:var(--ink-2);letter-spacing:0;margin-left:6px}
.price-card ul{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:9px}
.price-card li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.price-card li svg{flex:none;margin-top:4px}
.price-rules{display:grid;gap:14px}
.rule{border-left:3px solid var(--line);padding:2px 0 2px 16px}
.rule b{display:block;font-weight:700;margin-bottom:2px}
.rule p{color:var(--ink-2);font-size:15px}

.facts{background:var(--surface);border-radius:var(--r-lg);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:26px 40px}
@media (max-width:760px){.facts{grid-template-columns:1fr}}
.facts dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:15px}
.facts dt{color:var(--mute);font-weight:500}
.facts dd{margin:0;font-weight:600}
.facts .aside p{color:var(--ink-2);font-size:15px}
.facts .aside code{background:#fff;border:1px solid var(--line);padding:2px 6px;border-radius:4px;font-size:13px}

.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:18px 0;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--mute);font-weight:400;font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 20px;color:var(--ink-2);max-width:44em}

footer.site{border-top:1px solid var(--line);padding:36px 0;color:var(--mute);font-size:14px}
footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
footer.site a{color:var(--ink-2)}

/* ==== order ==== */
.order{padding:56px 0 80px}
.order .grid{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:start}
@media (max-width:860px){.order .grid{grid-template-columns:1fr}}
.field{display:grid;gap:6px;margin-bottom:22px}
.field label{font-weight:600;font-size:15px}
.field .help{font-size:13px;color:var(--mute)}
.input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r);font:inherit;font-size:16px;background:#fff}
.input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-soft)}
.suffix{display:flex;align-items:stretch}
.suffix .input{border-radius:var(--r) 0 0 var(--r);border-right:0}
.suffix span{display:flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:0 var(--r) var(--r) 0;background:var(--surface);color:var(--ink-2);font-size:15px;white-space:nowrap}
.check{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.check input{margin-top:4px}
.ordbox{border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:var(--surface);position:sticky;top:84px}
.ordbox .row{display:flex;justify-content:space-between;padding:8px 0;font-size:15px;border-bottom:1px solid var(--line)}
.ordbox .row:last-of-type{border-bottom:0}
.ordbox .total{display:flex;justify-content:space-between;font-weight:800;font-size:20px;padding:14px 0 6px}
.ordbox .fine{font-size:13px;color:var(--mute);margin-top:12px}
.stripe{border:1px dashed #B9C2CF;border-radius:var(--r);padding:16px;background:#fff;color:var(--mute);font-size:14px;display:grid;gap:10px}
.stripe .fake{height:40px;border:1px solid var(--line);border-radius:4px;display:flex;align-items:center;padding:0 12px;color:var(--mute);font-size:14px}
.oh{margin-bottom:34px}
.oh h1{font-size:34px}
.oh p{color:var(--ink-2);margin-top:8px;font-size:17px}
.crumbs{display:flex;gap:12px;align-items:center;font-size:14px;color:var(--mute);margin-bottom:22px}
.crumbs b{color:var(--ink);font-weight:600}

/* ==== app ==== */
.app{display:grid;grid-template-columns:232px 1fr;min-height:calc(100vh - 64px)}
@media (max-width:860px){.app{grid-template-columns:1fr}}
.side{border-right:1px solid var(--line);padding:22px 14px;background:var(--surface)}
@media (max-width:860px){.side{border-right:0;border-bottom:1px solid var(--line);padding:12px}}
.side .site-pick{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-bottom:16px;font-size:14px}
.side .site-pick b{display:block;font-weight:700;font-size:14px}
.side .site-pick .dot{background:var(--green)}
.side nav{display:grid;gap:2px}
@media (max-width:860px){.side nav{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}}
.side nav button{text-align:left;background:transparent;border:0;padding:9px 12px;border-radius:var(--r);color:var(--ink-2);font-weight:500;cursor:pointer;display:flex;align-items:center;gap:10px;font-size:15px}
.side nav button:hover{background:#E9EDF2;color:var(--ink)}
.side nav button[aria-current="page"]{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 1px 0 var(--line)}
.side nav button .badge{margin-left:auto;font-size:12px;background:var(--amber-soft);color:var(--amber);padding:1px 7px;border-radius:999px;font-weight:700}
.side nav svg{flex:none;color:var(--mute)}
.side .sep{height:1px;background:var(--line);margin:12px 4px}
.main{padding:30px 34px 80px}
@media (max-width:860px){.main{padding:22px 18px 100px}}
.main h1{font-size:26px;letter-spacing:-.02em}
.main .sub{color:var(--ink-2);margin-top:4px;font-size:15px}
.pane{display:none}.pane.active{display:block}
.card{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;padding:22px;margin-top:22px}
.card h3{font-size:17px;margin-bottom:4px}
.card .desc{color:var(--ink-2);font-size:14px;margin-bottom:16px}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
@media (max-width:860px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
.stat{border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 18px;background:#fff}
.stat .l{font-size:13px;color:var(--mute);font-weight:500}
.stat .v{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-top:4px;display:flex;align-items:center;gap:8px}
.stat .h{font-size:13px;color:var(--ink-2);margin-top:4px}
.bar{height:8px;background:var(--surface);border-radius:999px;overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;background:var(--blue);border-radius:999px}
.kv{display:grid;grid-template-columns:180px 1fr;gap:12px 20px;font-size:15px}
@media (max-width:600px){.kv{grid-template-columns:1fr}}
.kv .k{color:var(--mute)}
.kv .v{font-weight:600;word-break:break-all}
.keybox{display:flex;gap:8px;align-items:center;font-family:var(--mono);font-size:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;flex-wrap:wrap}
.keybox span{flex:1;min-width:200px}
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;flex-wrap:wrap}
.list li:last-child{border-bottom:0}
.list .m{color:var(--mute);font-size:13px;display:block}
.list .who{font-weight:600}
table{width:100%;border-collapse:collapse;font-size:15px}
th{text-align:left;color:var(--mute);font-weight:500;font-size:13px;padding:0 0 10px;border-bottom:1px solid var(--line)}
td{padding:12px 0;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
.num{text-align:right;font-variant-numeric:tabular-nums}
th.num{text-align:right}
.alert{border-radius:var(--r);padding:14px 16px;font-size:15px;display:flex;gap:12px;align-items:flex-start;margin-top:22px}
.alert-amber{background:var(--amber-soft);color:#6E4A0F}
.alert-blue{background:var(--blue-soft);color:var(--blue-ink)}
.alert b{font-weight:700}
.alert .act{margin-left:auto;white-space:nowrap}
.tree{font-family:var(--mono);font-size:14px;line-height:1.9;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.tree .d{color:var(--blue-ink);font-weight:500}
.tree .x{color:var(--mute)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:860px){.two{grid-template-columns:1fr}}
.two .card{margin-top:0}
.toggle{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.toggle:last-child{border-bottom:0}
.toggle .t{font-weight:600}
.toggle .t small{display:block;font-weight:400;color:var(--mute);font-size:13px}
.sw{width:40px;height:22px;border-radius:999px;background:#C9D1DC;position:relative;border:0;cursor:pointer;flex:none}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .15s}
.sw[aria-checked="true"]{background:var(--green)}
.sw[aria-checked="true"]::after{left:21px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}