:root{
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --bg-soft2:#eef2f8;
  --ink:#0f1b33;
  --ink-soft:#4a5568;
  --muted:#6b7684;
  --border:#e4e9f0;
  --accent:#2f6fed;
  --accent-dark:#1f52c2;
  --accent-soft:#eaf1ff;
  --ok:#1fa96a;
  --ok-soft:#e8f8f0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}

/* ---- top nav ---- */
.topbar{
  border-bottom:1px solid var(--border);
  position:sticky;top:0;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);z-index:20;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:1120px;margin:0 auto;gap:20px;
}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px;text-decoration:none;color:var(--ink);flex:none}
nav.mainnav{display:flex;gap:2px;flex-wrap:wrap;flex:1}
nav.mainnav a{
  color:var(--ink-soft);text-decoration:none;font-size:14px;font-weight:500;
  padding:9px 13px;border-radius:7px;
}
nav.mainnav a:hover{color:var(--ink);background:var(--bg-soft)}
nav.mainnav a.active{color:var(--accent);background:var(--accent-soft)}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-cta a.ghost{color:var(--ink-soft);text-decoration:none;font-size:14px;font-weight:500;padding:9px 6px}

/* ---- hero ---- */
.hero{padding:76px 24px 56px;text-align:center;background:
  radial-gradient(700px 320px at 50% -10%, var(--accent-soft), transparent 65%);}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:13px;font-weight:600;
  background:var(--accent-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{font-size:44px;line-height:1.18;margin:0 0 16px;font-weight:750;letter-spacing:-.015em;max-width:760px;margin-left:auto;margin-right:auto}
.hero p.lead{color:var(--ink-soft);font-size:17px;line-height:1.65;margin:0 auto 28px;max-width:600px}
.hero .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero.compact{padding:52px 24px 40px;text-align:left}
.hero.compact h1{font-size:32px;margin-left:0;margin-right:0}
.hero.compact p.lead{margin-left:0;margin-right:0}
.hero.compact .cta-row{justify-content:flex-start}

/* ---- sections ---- */
main{flex:1}
section{padding:56px 24px}
section.tight{padding:32px 24px}
section.alt{background:var(--bg-soft)}
h2{font-size:24px;margin:0 0 10px;font-weight:700;letter-spacing:-.01em}
.section-head{text-align:center;max-width:620px;margin:0 auto 40px}
.section-head h2{margin-bottom:10px}
h2.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:16px}
p.muted{color:var(--ink-soft);line-height:1.65}
p.section-sub{color:var(--ink-soft);font-size:16px;line-height:1.6}

/* ---- stats showcase ---- */
.stats-band{
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:var(--bg-soft);
}
.stats-row{display:flex;flex-wrap:wrap;justify-content:center;gap:0;text-align:center}
.stats-row .stat{flex:1;min-width:150px;padding:32px 16px}
.stats-row .stat .num{font-size:32px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.stats-row .stat .cap{color:var(--muted);font-size:13px;margin-top:6px}

/* ---- steps ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.step .badge-num{
  width:36px;height:36px;border-radius:10px;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  margin-bottom:16px;
}
.step h3{margin:0 0 8px;font-size:17px}
.step p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.6}
@media (max-width:800px){.steps{grid-template-columns:1fr}}

/* ---- grid / cards ---- */
.grid{display:grid;gap:20px}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.card{
  background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:24px;
  transition:box-shadow .15s,border-color .15s;
}
.card:hover{border-color:#d3dcea;box-shadow:0 8px 24px rgba(15,27,51,.05)}
.card .icon{
  width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:17px;font-weight:700;
}
.card .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.card .value{font-size:19px;font-weight:700;display:flex;align-items:center;gap:8px}
.card h3{margin:0 0 8px;font-size:16px}
.card p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.6}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px var(--ok-soft);flex:none}
.dot.warn{background:#e0a125;box-shadow:0 0 0 3px #fbf1dc}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:var(--muted)}

/* ---- table ---- */
table{width:100%;border-collapse:collapse;font-size:14px}
th{
  text-align:left;color:var(--muted);font-weight:700;font-size:12px;
  text-transform:uppercase;letter-spacing:.05em;
  padding:11px 14px;border-bottom:1px solid var(--border);
}
td{padding:13px 14px;border-bottom:1px solid var(--border)}
tr:last-child td{border-bottom:none}
tr.row-active{background:var(--accent-soft)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--ok);background:var(--ok-soft);
  padding:4px 11px;border-radius:999px;font-weight:600;
}

/* ---- code block ---- */
pre{
  background:#0f1b33;border:1px solid #16233f;border-radius:10px;
  padding:16px 18px;overflow-x:auto;font-size:13px;line-height:1.55;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#dfe7f5;
}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.inline-code{background:var(--bg-soft2);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:13px;color:var(--ink)}

/* ---- testimonial ---- */
.testimonial{
  max-width:720px;margin:0 auto;text-align:center;
}
.testimonial blockquote{
  font-size:22px;line-height:1.5;font-weight:600;letter-spacing:-.01em;
  margin:0 0 20px;color:var(--ink);
}
.testimonial .who{display:flex;align-items:center;justify-content:center;gap:10px}
.testimonial .who .avatar{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#7aa6ff);
}
.testimonial .who .meta{text-align:left;font-size:13px}
.testimonial .who .meta b{display:block;color:var(--ink)}
.testimonial .who .meta span{color:var(--muted)}

/* ---- pricing ---- */
.price-card{
  background:var(--bg);border:1px solid var(--border);border-radius:16px;
  padding:30px 26px;display:flex;flex-direction:column;gap:18px;
}
.price-card.featured{border:2px solid var(--accent);box-shadow:0 12px 32px rgba(47,111,237,.14);position:relative}
.price-card.featured::before{
  content:"Most popular";position:absolute;top:-12px;left:26px;
  background:var(--accent);color:#fff;font-size:11px;font-weight:700;
  padding:4px 10px;border-radius:999px;
}
.price-card .plan{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.price-card .amount{font-size:34px;font-weight:800;color:var(--ink)}
.price-card .amount span{font-size:14px;color:var(--muted);font-weight:500}
.price-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.price-card li{color:var(--ink-soft);font-size:14px;display:flex;gap:8px;align-items:flex-start}
.price-card li::before{content:"✓";color:var(--ok);flex:none;font-weight:700}
.btn{
  display:inline-block;text-align:center;text-decoration:none;
  background:var(--accent);color:#fff;font-weight:600;font-size:14px;
  padding:11px 20px;border-radius:9px;transition:background .15s;
}
.btn:hover{background:var(--accent-dark)}
.btn.secondary{background:var(--bg);border:1px solid var(--border);color:var(--ink)}
.btn.secondary:hover{background:var(--bg-soft);border-color:#d3dcea}
.btn.block{display:block;width:100%}

/* ---- editorial ---- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
@media (max-width:800px){.split{grid-template-columns:1fr}}
.prose p{color:var(--ink-soft);line-height:1.75;font-size:15px;margin:0 0 16px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink)}
blockquote.pull{
  border-left:3px solid var(--accent);margin:20px 0;padding:2px 0 2px 18px;
  color:var(--ink);font-size:17px;line-height:1.5;font-style:italic;
}
blockquote.pull cite{display:block;margin-top:8px;font-style:normal;font-size:12px;color:var(--muted)}
.feature-list{display:flex;flex-direction:column;gap:22px}
.feature-list .f{display:flex;gap:14px}
.feature-list .f .n{
  flex:none;width:28px;height:28px;border-radius:8px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}
.feature-list .f h4{margin:0 0 4px;font-size:15px}
.feature-list .f p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.55}
.timeline{position:relative;padding-left:22px;border-left:2px solid var(--border)}
.timeline .item{position:relative;padding-bottom:26px}
.timeline .item:last-child{padding-bottom:0}
.timeline .item::before{
  content:"";position:absolute;left:-27px;top:4px;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent);
}
.timeline .date{font-size:12px;color:var(--muted);margin-bottom:4px;font-weight:600}
.timeline .item h4{margin:0 0 4px;font-size:15px}
.timeline .item p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.55}
.note{
  background:var(--bg-soft);border:1px dashed var(--border);border-radius:10px;
  padding:14px 16px;font-size:13px;color:var(--ink-soft);line-height:1.55;
}
.note strong{color:var(--ink)}

/* ---- network map ---- */
.map-wrap{
  position:relative;border:1px solid var(--border);border-radius:16px;
  background:var(--bg-soft);padding:8px;overflow:hidden;
}
.map-wrap svg{display:block;width:100%;height:auto}
.map-link{fill:none;stroke:var(--accent);stroke-width:.7;opacity:.4;stroke-dasharray:2 2}
.map-node{cursor:pointer}
.map-node circle.pulse{fill:none;stroke:var(--ok);stroke-width:1.4;opacity:0;transform-origin:center;animation:pulse 3s ease-out infinite}
.map-node.n1 circle.pulse{animation-delay:.0s}
.map-node.n2 circle.pulse{animation-delay:.5s}
.map-node.n3 circle.pulse{animation-delay:1s}
.map-node.n4 circle.pulse{animation-delay:1.5s}
.map-node.n5 circle.pulse{animation-delay:2s}
.map-node.n6 circle.pulse{animation-delay:2.5s}
@keyframes pulse{0%{r:4;opacity:.7}100%{r:16;opacity:0}}
.map-node circle.dot{fill:var(--ok);stroke:var(--bg);stroke-width:2}
.map-node:hover circle.dot,.map-node.active circle.dot{fill:var(--accent)}
.map-node text{
  font-size:12px;fill:var(--ink-soft);font-family:inherit;font-weight:600;pointer-events:none;
  paint-order:stroke;stroke:var(--bg-soft);stroke-width:4px;stroke-linejoin:round;
}
.map-dot{fill:#d7e0ee}
.map-tooltip{
  position:absolute;pointer-events:none;background:var(--ink);color:#fff;border-radius:8px;
  padding:8px 10px;font-size:12px;line-height:1.4;box-shadow:0 8px 24px rgba(15,27,51,.25);
  transform:translate(-50%,-110%);opacity:0;transition:opacity .1s;white-space:nowrap;z-index:5;
}
.map-tooltip.show{opacity:1}
.map-tooltip .t-name{font-weight:700}
.map-tooltip .t-meta{color:#c3cee3;margin-top:2px}
.map-legend{display:flex;gap:18px;flex-wrap:wrap;padding:14px 6px 4px;font-size:12px;color:var(--muted)}
.map-legend span{display:inline-flex;align-items:center;gap:6px}

/* ---- footer ---- */
footer{border-top:1px solid var(--border);padding:52px 24px 24px;background:var(--bg-soft)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:32px;
  max-width:1120px;margin:0 auto 36px;
}
.footer-grid .col h4{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0 0 14px}
.footer-grid .col a{display:block;color:var(--ink-soft);text-decoration:none;font-size:14px;margin-bottom:10px}
.footer-grid .col a:hover{color:var(--accent)}
.footer-about p{color:var(--ink-soft);font-size:14px;line-height:1.6;max-width:280px;margin:12px 0 16px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:32px;height:32px;border-radius:8px;background:var(--bg);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--ink-soft);
}
.footer-social a:hover{color:var(--accent);border-color:var(--accent)}
.footer-bottom{
  max-width:1120px;margin:0 auto;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px;
}
.footer-bottom a{color:var(--muted);text-decoration:none;margin-left:16px}
.footer-bottom a:hover{color:var(--accent)}

@media (max-width:900px){.footer-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){
  .topbar-inner{flex-wrap:wrap}
  nav.mainnav{order:3;width:100%;justify-content:center}
  .hero{padding:48px 20px 36px}
  .hero h1{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

/* ==== chat widget ==== */
#zc-launcher{
  position:fixed;right:20px;bottom:20px;z-index:100;width:56px;height:56px;border-radius:50%;
  background:var(--accent);border:none;cursor:pointer;box-shadow:0 12px 28px rgba(47,111,237,.35);
  display:flex;align-items:center;justify-content:center;transition:transform .15s;
}
#zc-launcher:hover{transform:scale(1.06)}
#zc-launcher svg{width:24px;height:24px}
#zc-badge{
  position:absolute;top:-2px;right:-2px;background:#ff5d5d;color:#fff;font-size:10px;font-weight:700;
  width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:2px solid #fff;
}
#zc-panel{
  position:fixed;right:20px;bottom:88px;z-index:100;width:320px;max-width:calc(100vw - 40px);
  height:420px;max-height:calc(100vh - 140px);background:#fff;border:1px solid var(--border);
  border-radius:14px;box-shadow:0 24px 64px rgba(15,27,51,.18);display:none;flex-direction:column;overflow:hidden;
}
#zc-panel.open{display:flex}
#zc-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
#zc-head .zc-dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
#zc-head .zc-title{font-weight:700;font-size:14px}
#zc-head .zc-sub{font-size:11px;color:var(--muted)}
#zc-close{margin-left:auto;background:none;border:none;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;padding:4px}
#zc-body{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px;background:var(--bg-soft)}
.zc-msg{max-width:82%;font-size:13px;line-height:1.5;padding:9px 12px;border-radius:12px}
.zc-msg.bot{background:#fff;border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:3px}
.zc-msg.me{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.zc-quick{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.zc-quick button{
  background:#fff;border:1px solid var(--border);color:var(--ink);font-size:12px;padding:6px 10px;
  border-radius:999px;cursor:pointer;
}
.zc-quick button:hover{border-color:var(--accent);color:var(--accent)}
#zc-foot{padding:10px 12px;border-top:1px solid var(--border);display:flex;gap:8px;background:#fff}
#zc-input{
  flex:1;background:var(--bg-soft);border:1px solid var(--border);border-radius:9px;
  color:var(--ink);font-size:13px;padding:9px 10px;outline:none;
}
#zc-send{background:var(--accent);border:none;color:#fff;border-radius:9px;width:36px;flex:none;cursor:pointer}
@media (max-width:520px){
  #zc-panel{right:12px;left:12px;width:auto}
  #zc-launcher{right:16px;bottom:16px}
}