:root{
  --bg:#0b0e14; --bg2:#11151f; --card:#151a25; --card2:#1b2130;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --tx:#e9edf5; --tx2:#9aa4b8; --tx3:#697186;
  --ac:#7c6cff; --ac2:#5be0c8; --acd:#5a4cff;
  --ok:#43c97f; --warn:#f0b53e; --bad:#f06262;
  --r:14px; --rs:10px; --maxw:1120px;
  --sh:0 10px 40px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --bg:#f5f6f9; --bg2:#eef0f5; --card:#ffffff; --card2:#f7f8fb;
  --line:rgba(10,15,30,.10); --line2:rgba(10,15,30,.16);
  --tx:#161a22; --tx2:#525a6b; --tx3:#838b9c; --sh:0 10px 30px rgba(20,30,60,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.btn{display:inline-flex;align-items:center;gap:8px;cursor:pointer;border:1px solid var(--line2);
  background:var(--card2);color:var(--tx);border-radius:var(--rs);padding:9px 16px;font-size:14px;
  font-weight:500;transition:.15s;font-family:inherit}
.btn:hover{border-color:var(--ac);color:#fff;background:var(--card)}
.btn-primary{background:var(--ac);border-color:var(--ac);color:#fff}
.btn-primary:hover{background:var(--acd);color:#fff}
.btn-wa{background:#1ea65a;border-color:#1ea65a;color:#fff;font-weight:600}
.btn-wa:hover{background:#188f4d;border-color:#188f4d;color:#fff}
.wa-fab{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;
  background:#1ea65a;color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:27px;cursor:pointer;z-index:200;text-decoration:none;
  box-shadow:0 6px 18px rgba(8,20,14,.45);transition:transform .16s,background .16s}
.wa-fab:hover{transform:scale(1.06);background:#188f4d;color:#fff}
.wa-fab i{line-height:1;position:relative;z-index:2}
.wa-fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #1ea65a;
  animation:wapulse 2.6s ease-out infinite;pointer-events:none}
@keyframes wapulse{0%{transform:scale(1);opacity:.45}100%{transform:scale(1.7);opacity:0}}
.wa-fab-label{position:absolute;right:68px;background:var(--card);border:1px solid var(--line);
  color:var(--tx);padding:8px 13px;border-radius:10px;font-size:14px;font-weight:500;white-space:nowrap;
  opacity:0;transform:translateX(8px);transition:.2s;pointer-events:none;box-shadow:var(--sh)}
.wa-fab:hover .wa-fab-label{opacity:1;transform:none}
.btn-ghost{background:transparent}
.muted{color:var(--tx2)}

/* top bar */
.top{position:sticky;top:0;z-index:50;background:rgba(11,14,20,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
[data-theme="light"] .top{background:rgba(245,246,249,.85)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em;font-size:18px}
.logo .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--ac),var(--ac2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.top-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line2);background:var(--card2);
  color:var(--tx2);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px}
.icon-btn:hover{color:var(--tx);border-color:var(--ac)}

/* hero */
.hero{padding:74px 0 34px;text-align:center;position:relative;overflow:hidden}
.hero-glow{position:absolute;top:-160px;left:50%;transform:translateX(-50%);width:680px;height:420px;
  background:radial-gradient(closest-side,rgba(124,108,255,.30),transparent);filter:blur(20px);pointer-events:none}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.08;margin:0 0 16px;font-weight:800;letter-spacing:-.02em}
.hero h1 .g{background:linear-gradient(120deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(15px,2vw,19px);color:var(--tx2);max-width:680px;margin:0 auto 26px}
.hero-stats{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.hstat b{display:block;font-size:26px;font-weight:800;background:linear-gradient(120deg,var(--ac),var(--ac2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hstat span{font-size:13px;color:var(--tx2)}

/* breadcrumb */
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--tx2);
  padding:22px 0 6px}
.crumbs a{cursor:pointer;color:var(--tx2)}
.crumbs a:hover{color:var(--ac)}
.crumbs .sep{opacity:.5;font-size:12px}
.crumbs .cur{color:var(--tx)}

/* section heading */
.shead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:8px 0 22px;flex-wrap:wrap}
.shead h2{font-size:clamp(22px,3vw,30px);margin:0;font-weight:700;letter-spacing:-.01em}
.shead p{margin:6px 0 0;color:var(--tx2);font-size:15px}

/* category grid */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:60px}
.cat{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;cursor:pointer;transition:.18s;overflow:hidden}
.cat:hover{transform:translateY(-4px);border-color:var(--ac);box-shadow:var(--sh)}
.cat .ci{width:50px;height:50px;border-radius:12px;background:var(--card2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:25px;color:var(--ac);margin-bottom:16px}
.cat h3{margin:0 0 6px;font-size:19px;font-weight:650}
.cat .cd{color:var(--tx2);font-size:14px;min-height:42px}
.cat .cmeta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--tx3)}
.cat .go{color:var(--ac);display:flex;align-items:center;gap:5px;font-weight:500}
.cat.flag{border-color:rgba(124,108,255,.5);background:linear-gradient(180deg,rgba(124,108,255,.10),var(--card))}
.cat.flag .ci{background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;border:none}
.flag-badge{position:absolute;top:14px;right:14px;font-size:11px;font-weight:600;letter-spacing:.03em;
  background:linear-gradient(120deg,var(--ac),var(--ac2));color:#fff;padding:4px 10px;border-radius:20px}
.cat .num{position:absolute;right:18px;bottom:14px;font-size:62px;font-weight:800;color:var(--line);
  line-height:1;pointer-events:none}

/* sub grid */
.sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding-bottom:60px}
.sub{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;cursor:pointer;transition:.16s}
.sub:hover{transform:translateY(-3px);border-color:var(--ac);box-shadow:var(--sh)}
.sub .si{width:42px;height:42px;border-radius:11px;background:var(--card2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:21px;color:var(--ac);margin-bottom:13px}
.sub h4{margin:0 0 9px;font-size:16px;font-weight:600;line-height:1.3}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--ac2);
  background:rgba(91,224,200,.10);border:1px solid rgba(91,224,200,.22);padding:4px 9px;border-radius:20px}
.sub .more{margin-top:12px;font-size:13px;color:var(--tx3);display:flex;align-items:center;gap:5px}

/* detail */
.detail{padding-bottom:70px}
.detail-head{display:flex;align-items:center;gap:16px;margin:10px 0 26px}
.detail-head .di{width:58px;height:58px;border-radius:14px;background:linear-gradient(135deg,var(--ac),var(--ac2));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}
.detail-head h2{margin:0;font-size:clamp(22px,3vw,30px);font-weight:700}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.blocks .blk{margin-bottom:22px}
.blk .bl{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--tx2);
  text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.blk .bl i{font-size:17px;color:var(--ac)}
.blk p{margin:0;font-size:15.5px;color:var(--tx);line-height:1.65}
.blk.accent{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--ac);
  border-radius:10px;padding:14px 16px}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:18px}
.panel .pt{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--tx2);
  text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px}
.panel .pt i{color:var(--ac2);font-size:17px}
.panel .pt .badge{margin-left:auto;font-size:11px;text-transform:none;letter-spacing:0;color:var(--tx3);
  background:var(--card2);border:1px solid var(--line);padding:2px 8px;border-radius:12px}

/* browser frame for screenshots */
.bw{background:var(--card2);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.bw-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--bg2)}
.bw-bar .d{width:9px;height:9px;border-radius:50%;background:var(--line2)}
.bw-bar .u{margin-left:10px;flex:1;height:18px;border-radius:6px;background:var(--card);border:1px solid var(--line);
  font-size:11px;color:var(--tx3);display:flex;align-items:center;padding:0 9px;overflow:hidden;white-space:nowrap}
.bw-img{display:block;width:100%;height:auto;background:var(--bg2)}
.bw-fallback{aspect-ratio:16/10;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:var(--tx3);font-size:13px;text-align:center;padding:20px}
.bw-fallback i{font-size:30px;opacity:.6}
.shot-cap{font-size:12.5px;color:var(--tx3);margin-top:9px;display:flex;align-items:center;gap:6px}

/* examples list */
.ex{list-style:none;margin:0;padding:0}
.ex li{padding:0;border-bottom:1px solid var(--line)}
.ex li:last-child{border-bottom:none}
.ex li a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 2px;width:100%}
.ex .en{font-size:14px;color:var(--tx);transition:color .12s}
.ex .el{font-size:12.5px;color:var(--ac);white-space:nowrap;display:flex;align-items:center;gap:4px}
.ex li a:hover .en{color:var(--ac)}
.ex li a:hover .el{text-decoration:underline}

/* wireframe skeletons */
.wf{padding:14px;min-height:180px}
.sk{background:var(--line2);border-radius:5px}
.sk.soft{background:var(--line)}
.row{display:flex;gap:8px}
.col{display:flex;flex-direction:column;gap:8px}
.wf .hero-bar{height:24px;width:88%;margin:0 auto 8px;border-radius:6px;background:linear-gradient(90deg,var(--ac),var(--ac2));opacity:.55}
.wf .btnbar{height:16px;width:34%;margin:0 auto 12px;border-radius:6px;background:var(--ac);opacity:.7}
.wf .nav{display:flex;justify-content:space-between;margin-bottom:10px}
.wf .nav .lg{width:46px;height:11px;border-radius:4px;background:var(--ac);opacity:.7}
.wf .nav .lk{width:26px;height:8px;border-radius:4px}
.wf .grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.wf .grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.wf .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.wf .tile{height:34px;border-radius:7px}
.wf .metric{height:46px;border-radius:8px;background:var(--card2);border:1px solid var(--line);padding:7px}
.wf .metric .m1{width:50%;height:7px;margin-bottom:7px}
.wf .metric .m2{width:70%;height:11px;background:var(--ac);opacity:.6}
.wf .side{width:30%;border-radius:8px;background:var(--bg2);border:1px solid var(--line);padding:8px;min-height:130px}
.wf .side.dark{background:#0c1018}
.wf .panebox{flex:1;border-radius:8px;background:var(--card2);border:1px solid var(--line);padding:8px;min-height:130px}
.wf .line{height:8px;border-radius:4px;margin:6px 0}
.kanban{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.kcol{background:var(--bg2);border:1px solid var(--line);border-radius:7px;padding:6px;min-height:120px}
.kcol .kh{height:7px;width:70%;border-radius:4px;margin-bottom:7px;background:var(--ac);opacity:.6}
.kcard{height:22px;border-radius:5px;background:var(--card2);border:1px solid var(--line);margin-bottom:6px}
.chat{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px;min-height:170px;display:flex;flex-direction:column;gap:8px}
.bub{max-width:74%;padding:8px 11px;border-radius:12px;font-size:12px;line-height:1.4}
.bub.in{background:var(--card2);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px;color:var(--tx2)}
.bub.out{background:var(--ac);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.chip{font-size:11px;border:1px solid var(--ac);color:var(--ac);border-radius:14px;padding:4px 9px}
.tbl{width:100%;border-collapse:collapse;font-size:11px}
.tbl th,.tbl td{border:1px solid var(--line);padding:6px 7px;text-align:left;color:var(--tx2)}
.tbl th{background:var(--bg2);color:var(--tx);font-weight:600}
.flowbox{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;padding:14px 4px}
.fb{background:var(--card2);border:1px solid var(--line2);border-radius:8px;padding:8px 11px;font-size:11.5px;
  color:var(--tx);text-align:center;min-width:74px}
.fb.ac{border-color:var(--ac);color:var(--ac)}
.farr{color:var(--tx3);font-size:14px}
.hub{position:relative;min-height:170px;display:flex;align-items:center;justify-content:center}
.hub .center{background:var(--ac);color:#fff;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:600;z-index:2}
.hub .node{position:absolute;background:var(--card2);border:1px solid var(--line2);border-radius:8px;
  padding:6px 9px;font-size:11px;color:var(--tx2)}
.gauge{display:flex;flex-direction:column;align-items:center;gap:12px;padding:8px}
.gbars{width:100%}
.gbar{height:14px;border-radius:7px;margin:7px 0}
.pay{max-width:260px;margin:0 auto;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:14px}
.pay .ph{height:9px;width:55%;border-radius:4px;margin-bottom:12px}
.pay .pf{height:30px;border-radius:7px;background:var(--bg2);border:1px solid var(--line);margin-bottom:9px}
.pay .pbtn{height:30px;border-radius:7px;background:var(--ac);opacity:.85}
.phone{width:160px;margin:0 auto;background:#0c1018;border:6px solid #20283a;border-radius:26px;padding:10px 9px;min-height:230px}
.phone .pnotch{width:46px;height:5px;background:#2a3346;border-radius:5px;margin:0 auto 10px}
.report-row{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px solid var(--line);font-size:12px;color:var(--tx2)}
.report-row:last-child{border:none}
.dotc{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.dotc.r{background:var(--bad)}.dotc.y{background:var(--warn)}.dotc.g{background:var(--ok)}

/* footer / contact */
.contact{border-top:1px solid var(--line);background:var(--bg2);padding:48px 0;margin-top:30px}
.contact h2{font-size:26px;margin:0 0 10px}
.contact .crow{display:flex;gap:26px;flex-wrap:wrap;margin-top:18px;color:var(--tx2);font-size:15px}
.contact .crow a{display:flex;align-items:center;gap:8px}
.contact .crow i{color:var(--ac)}
.foot-note{font-size:16.5px;color:var(--tx);margin-top:22px;max-width:620px;line-height:1.6;font-weight:500}

.fade{animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media(max-width:880px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .sub-grid{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .cat-grid,.sub-grid{grid-template-columns:1fr}
  .hero-stats{gap:18px}
  .grid4{grid-template-columns:1fr 1fr}
}