:root{
  --ink:#16243a; --muted:#4a5a70; --line:#dbe3ee; --bg:#f7f9fc; --card:#ffffff;
  --brand:#1f3a5f; --brand-2:#2f6fb2; --accent:#f2c230; --ok:#1d7a52;
  --radius:14px; --max:1120px;
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--brand-2)}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:9}
/* header */
.site-header{background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;backdrop-filter:saturate(1.2) blur(6px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:19px}
.brand img{width:34px;height:34px}
.nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0;align-items:center}
.nav ul a{text-decoration:none;color:var(--muted);font-size:15.5px}
.nav ul a:hover,.nav ul a[aria-current=page]{color:var(--ink)}
.nav ul a[aria-current=page]{border-bottom:2px solid var(--accent)}
/* buttons */
.btn{display:inline-block;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600;border:1px solid var(--brand);font-size:16px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#17304f}
.btn-ghost{background:#fff;color:var(--brand)}
.btn-sm{padding:8px 14px;font-size:15px}
/* hero */
.hero{background:linear-gradient(180deg,#eef4fb 0%,#f7f9fc 70%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 0 72px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;padding:40px 0}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}
h1{font-size:46px;line-height:1.12;margin:16px 0 14px;letter-spacing:-.5px}
@media(max-width:600px){h1{font-size:34px}}
h2{font-size:30px;line-height:1.2;margin:0 0 12px}
h3{font-size:20px;margin:0 0 6px}
.lead{font-size:19px;color:var(--muted);max-width:560px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 12px}
.fine{font-size:14px;color:var(--muted)}
/* product visual */
.visual{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 10px 30px rgba(31,58,95,.07)}
.v-top{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:12px}
.tag{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:2px 9px;background:#fff;color:var(--muted)}
.tag-ex{border-color:#e9d48a;background:#fffbea;color:#6b5600}
.review{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fbfcfe}
.r-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.avatar{width:32px;height:32px;border-radius:50%;background:#e2e9f3;display:grid;place-items:center;font-weight:700;color:var(--brand);font-size:14px}
.stars{color:#b58900;letter-spacing:1px;font-size:14px}
.reply{margin-top:10px;border:1px solid #cfe0f2;border-left:3px solid var(--brand-2);border-radius:10px;padding:12px 14px;background:#f3f8fd}
.reply .who{font-size:13px;color:var(--brand);font-weight:600;margin-bottom:4px}
.v-foot{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.mini{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px;background:#fff}
.mini b{display:block;font-size:13px;color:var(--muted);font-weight:600}
/* sections */
section.block{padding:64px 0}
section.alt{background:linear-gradient(180deg,#f7f9fc 0%,#f1f5fa 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr}}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.box p{margin:6px 0 0;color:var(--muted)}
.num{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;font-weight:700;color:var(--brand);background:#f3f7fc;margin-bottom:10px}
.section-head{max-width:700px;margin-bottom:28px}
.section-head p{color:var(--muted);margin:0}
.stat{font-size:15px;color:var(--muted)}
.stat strong{display:block;font-size:28px;color:var(--ink)}
.src{font-size:13px;color:var(--muted)}
/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
@media(max-width:900px){.price-grid{grid-template-columns:1fr}}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--brand)}
.plan .price{font-size:40px;font-weight:800;margin:6px 0 0}
.plan .per{font-size:15px;color:var(--muted)}
.plan ul{padding-left:20px;margin:14px 0 20px;color:var(--ink)}
.plan li{margin:6px 0}
.plan .btn{margin-top:auto;text-align:center}
.badge{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:2px 10px;background:#fff7d6;border:1px solid #ecd27a;color:#6b5600}
/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{color:var(--muted);margin:10px 0 2px}
/* prose */
.prose{max-width:760px}
.prose h2{margin-top:36px;font-size:24px}
.prose p,.prose li{color:#2b3a50}
.note{border:1px solid var(--line);border-left:3px solid var(--accent);background:#fff;border-radius:10px;padding:12px 16px;font-size:15px;color:var(--muted)}
.todo{border:1px dashed #d9a400;background:#fffbea;border-radius:10px;padding:10px 14px;font-size:14px;color:#6b5600}
.page-hero{background:linear-gradient(180deg,#eef4fb 0%,#f7f9fc 100%);border-bottom:1px solid var(--line);padding:48px 0 36px}
.page-hero h1{font-size:40px;margin:8px 0}
/* samples */
.sample{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.sample .meta{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.why{font-size:14px;color:var(--muted);margin-top:10px}
/* footer */
.site-footer{border-top:1px solid var(--line);background:#fff;padding:36px 0;margin-top:0;font-size:15px;color:var(--muted)}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
@media(max-width:700px){.foot{grid-template-columns:1fr}}
.foot ul{list-style:none;padding:0;margin:0}.foot li{margin:4px 0}
.foot a{color:var(--muted);text-decoration:none}.foot a:hover{color:var(--ink)}
.cta-band{background:linear-gradient(120deg,#eaf2fb,#f3f8f6);border:1px solid var(--line);border-radius:18px;padding:32px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
/* pricing: founding banner + compare table */
.founding{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:#fff;border:2px solid var(--brand);border-radius:16px;padding:22px 24px}
.founding p{color:var(--muted)}
.compare-wrap{overflow-x:auto}
.compare{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px}
.compare th,.compare td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.compare th{background:#f3f7fc}
.compare td:first-child{color:var(--muted);width:50%}
.compare tr:last-child td{border-bottom:0}
/* home demo (tabs) */
.demo-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(31,58,95,.06);max-width:820px}
.demo-biz{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.demo-tab{font:inherit;font-size:15px;font-weight:600;color:var(--brand);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer;min-height:44px}
.demo-tab .stars{font-size:13px}
.demo-tab[aria-selected=true]{background:var(--brand);border-color:var(--brand);color:#fff}
.demo-tab[aria-selected=true] .stars{color:var(--accent)}
.demo-panel+.demo-panel{margin-top:18px}
.js .demo-panel+.demo-panel{margin-top:0}
.demo-panel:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:12px}
[hidden]{display:none!important}
@media(max-width:520px){.demo-card{padding:14px}.demo-tab{flex:1 1 auto;padding:8px 10px;font-size:14px}}
.steps{padding-left:22px;color:#2b3a50}.steps li{margin:8px 0}
.nav a.btn-primary,.nav a.btn-primary:hover{color:#fff}

/* ---------- guides (/guides/) ---------- */
.crumbs{padding-top:14px;font-size:14px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 0;color:var(--muted)}
.crumbs li{min-width:0;overflow-wrap:anywhere}
.crumbs li+li::before{content:"\203A";margin:0 8px;color:var(--muted)}
.crumbs a{color:var(--brand-2);text-decoration:none}.crumbs a:hover{text-decoration:underline}
.guide-meta{font-size:14px;color:var(--muted);margin-top:10px}
.guide .prose{overflow-wrap:break-word}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:8px}
.toc ol{margin:8px 0 0;padding-left:20px}.toc li{margin:3px 0}
.tpl{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand-2);border-radius:12px;padding:14px 16px;margin:14px 0}
.tpl-head{display:flex;justify-content:space-between;align-items:center;gap:10px;font-weight:700;color:var(--ink)}
.tpl-text{margin:8px 0 0;white-space:pre-line}
.tpl-note{margin:8px 0 0;font-size:14px;color:var(--muted)!important}
.copy-btn{flex:none;font:inherit;font-size:13px;font-weight:600;padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:var(--bg);color:var(--brand);cursor:pointer}
.copy-btn:hover{border-color:var(--brand-2)}
.soft-cta{margin-top:36px}.soft-cta h2{margin-top:0}
.soft-cta .cta-row{display:flex;flex-wrap:wrap;gap:10px}
.src-list li,.related li{margin:6px 0}
.guide-card{display:block;text-decoration:none;color:inherit}
.guide-card h2{font-size:20px;margin:0 0 6px;color:var(--ink)}
.guide-card:hover{border-color:var(--brand-2)}
.guide-card .more{display:inline-block;margin-top:10px;color:var(--brand-2);font-weight:600}
.foot{grid-template-columns:2fr 1fr 1fr 1fr}
@media(max-width:900px){.foot{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.foot{grid-template-columns:1fr}}
@media(max-width:520px){.crumbs li[aria-current]{display:none}}
/* nav layout + mobile menu (<=980px: the full one-row nav needs ~950px). Without JS the links simply show as a wrapped row; with JS (html.js) they sit behind the Menu button. */
.nav-links{order:2}
.nav-actions{order:3;display:flex;align-items:center;gap:8px}
.nav-cta{white-space:nowrap}
.nav-toggle{display:none;align-items:center;gap:6px;min-height:44px;min-width:44px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:inherit;font-size:15px;font-weight:600;cursor:pointer}
.nav-toggle:hover{border-color:var(--brand-2)}
.nav.is-open .nav-toggle{background:var(--bg);border-color:var(--brand)}
@media(max-width:980px){
  .nav{flex-wrap:wrap;height:auto;min-height:66px;gap:8px 12px;padding-top:10px;padding-bottom:10px}
  .nav-links{order:4;flex-basis:100%;flex-wrap:wrap;gap:4px 16px}
  .nav-links a{display:inline-block;padding:6px 0}
  .js .nav-toggle{display:inline-flex}
  .js .nav-links{display:none}
  .js .nav.is-open .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line);margin-top:4px;padding-top:4px}
  .js .nav.is-open .nav-links a{display:block;padding:12px 4px;font-size:17px;color:var(--ink);border-bottom:0}
  .js .nav.is-open .nav-links li+li{border-top:1px solid var(--line)}
  .js .nav.is-open .nav-links a[aria-current=page]{font-weight:700;box-shadow:inset 3px 0 0 var(--accent);padding-left:12px}
}
@media(max-width:420px){.brand{font-size:17px;gap:8px}.brand img{width:30px;height:30px}.hide-xs{display:none}.nav-toggle-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.nav-toggle{padding:8px 10px}}
@media(prefers-reduced-motion:no-preference){.js .nav.is-open .nav-links{animation:navdrop .15s ease-out}}
@keyframes navdrop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.nav-links a{white-space:nowrap}
@media(min-width:981px) and (max-width:1080px){.nav{gap:12px}.nav-links{gap:16px}.nav-links a{font-size:15px}}
/* 8-item nav: tighter spacing on narrow desktops so it stays on one row */
@media(min-width:981px) and (max-width:1180px){.nav{gap:10px}.nav-links{gap:13px}.nav-links a{font-size:14.5px}.brand{font-size:18px}}
@media(min-width:981px) and (max-width:1060px){.nav-cta .hide-xs{display:none}.nav-links{gap:11px}.nav-links a{font-size:14px}}
/* screen-reader only */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* free review reply generator */
.rg-form{display:grid;gap:18px;padding:22px}
.rg-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:700px){.rg-grid{grid-template-columns:1fr}.rg-form{padding:16px}}
.rg-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.rg-field label,.rg-set legend{font-weight:600;color:var(--ink)}
.rg-field .fine,.rg-set legend .fine{font-weight:400}
.rg-field p.fine{margin:0}
.rg-form input[type=text],.rg-form select{font:inherit;font-size:16px;width:100%;min-height:46px;padding:10px 12px;border:1px solid #b9c6d6;border-radius:10px;background:#fff;color:var(--ink)}
.rg-form input[type=text]:focus-visible,.rg-form select:focus-visible{outline:3px solid var(--accent);outline-offset:1px;border-color:var(--brand)}
.rg-set{border:0;margin:0;padding:0;min-width:0}
.rg-set legend{padding:0;margin-bottom:8px}
.rg-pills{display:flex;flex-wrap:wrap;gap:8px}
.rg-pill{position:relative;display:inline-flex}
.rg-pill input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.rg-pill>span{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid #b9c6d6;border-radius:999px;background:#fff;color:var(--ink);font-size:15px;cursor:pointer;user-select:none}
.rg-pill>span:hover{border-color:var(--brand-2)}
.rg-pill input:checked+span{background:var(--brand);border-color:var(--brand);color:#fff}
.rg-pill input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.rg-form .btn{cursor:pointer;font-family:inherit}
.rg-out{margin-top:28px}
.rg-out h2{margin:0 0 4px}
.rg-out h2:focus{outline:none}
.rg-h{margin:0;font-size:16px}
.rg-reply .tpl-text{overflow-wrap:anywhere}
.rg-out .btn{cursor:pointer;font-family:inherit}
.rg-cta{margin-top:32px}
.copy-btn{min-height:36px}