:root{
  --navy:#0f172a; --blue9:#1e3a8a; --blue8:#1e40af; --blue5:#3b82f6; --purple:#a855f7; --green:#22c55e; --yellow:#facc15; --red:#dc2626;
  --bg:#ffffff; --alt:#f8fafc; --card:#ffffff; --ink:#0f172a; --muted:#475569; --line:#e2e8f0; --chip:#e0e7ff;
  --hero:linear-gradient(to bottom right,#0f172a,#1e3a8a,#1e40af);
  --wa-bg:#efe7dd; --wa-in:#ffffff; --wa-out:#d9fdd3; --wa-head:#075e54; --wa-ink:#111b21; --wa-meta:#667781;
  --shadow:0 20px 50px -24px rgba(15,23,42,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.logo,.stat b,.btn,.tab{font-family:Poppins,Inter,Arial,sans-serif}
a{color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;z-index:20;background:rgba(15,23,42,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:#fff;text-decoration:none}
.logo .mark{width:32px;height:32px;border-radius:50%;background:var(--green);display:grid;place-items:center}
.logo .mark svg{width:17px;height:17px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.logo small{font-family:Inter,sans-serif;font-weight:400;color:#cbd5e1;font-size:13px;margin-left:4px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--yellow);color:var(--navy);text-decoration:none;font-weight:600;border:0;border-radius:999px;padding:12px 22px;font-size:15px;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 10px 24px -12px rgba(250,204,21,.8)}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);box-shadow:none}
.btn.dark{background:var(--blue8);color:#fff;box-shadow:none}
.hero{position:relative;overflow:hidden;padding:76px 0 0;background:var(--hero);color:#fff}
.hero::before{content:"";position:absolute;right:-160px;top:-160px;width:560px;height:560px;background:radial-gradient(circle,rgba(59,130,246,.35),transparent 65%);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#e2e8f0;font-weight:500;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:6px 14px;border-radius:999px}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--green)}
h1{font-size:clamp(34px,5.4vw,58px);line-height:1.08;letter-spacing:-1px;margin:20px 0 18px;font-weight:800;max-width:900px}
h1 .g{color:var(--yellow)}
.lead{font-size:clamp(17px,2vw,20px);color:#dbe4f5;max-width:720px;margin:0 0 30px}
.lead b{color:#fff}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.checks{display:flex;gap:18px;flex-wrap:wrap;margin:22px 0 0;padding:0;list-style:none;font-size:13.5px;color:#cbd5e1}
.checks li{display:flex;align-items:center;gap:7px}
.checks li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.skyline{display:block;width:100vw;max-width:none;margin-left:calc(50% - 50vw);height:auto;margin-top:56px}
section{padding:64px 0}
section.alt{background:var(--alt)}
h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.6px;line-height:1.18;margin:0 0 12px;font-weight:800}
.sub{color:var(--muted);font-size:17px;max-width:720px;margin:0 0 34px}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.stat b{display:block;font-size:36px;letter-spacing:-1px;color:var(--blue8);font-weight:800;line-height:1.2}
.stat span{color:var(--muted);font-size:14px}
.stat.alert b{color:var(--red)}
.note{font-size:13.5px;color:var(--muted);margin-top:16px}
.demo{display:grid;grid-template-columns:290px 1fr 300px;gap:28px;align-items:start}
.tabs{display:flex;flex-direction:column;gap:8px;position:sticky;top:88px}
.tab{display:flex;gap:12px;align-items:center;text-align:left;width:100%;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;cursor:pointer;color:var(--ink);font-size:15px;font-weight:600;transition:.2s}
.tab:hover{border-color:#c7d2fe}
.tab .ic{flex:0 0 36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--chip)}
.tab .ic svg{width:18px;height:18px;stroke:var(--blue8);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tab small{display:block;color:var(--muted);font-size:12px;font-weight:400;font-family:Inter,sans-serif}
.tab[aria-selected="true"]{border-color:transparent;background:var(--hero);color:#fff;box-shadow:var(--shadow)}
.tab[aria-selected="true"] small{color:#cbd5e1}
.tab[aria-selected="true"] .ic{background:var(--yellow)}
.tab[aria-selected="true"] .ic svg{stroke:var(--navy)}
.phone{justify-self:center;width:100%;max-width:390px;border-radius:44px;padding:12px;background:var(--navy);box-shadow:var(--shadow),inset 0 0 0 2px #1e293b}
.screen{border-radius:34px;overflow:hidden;background:var(--wa-bg);display:flex;flex-direction:column;height:720px}
.wa-head{background:var(--wa-head);color:#fff;display:flex;align-items:center;gap:10px;padding:14px 14px 12px}
.avatar{width:38px;height:38px;border-radius:50%;background:#e2457f;display:grid;place-items:center;font-weight:700;font-size:14px;flex:0 0 38px;font-family:Poppins,sans-serif}
.wa-head b{display:block;font-size:15px;font-weight:600}
.wa-head small{font-size:12px;opacity:.8}
.chat{flex:1;overflow-y:auto;padding:14px 12px 18px;display:flex;flex-direction:column;gap:6px;background-image:radial-gradient(rgba(0,0,0,.045) 1px,transparent 1px);background-size:16px 16px}
.day{align-self:center;font-size:11.5px;background:var(--wa-in);color:var(--wa-meta);padding:5px 10px;border-radius:8px;margin:6px 0;box-shadow:0 1px 1px rgba(0,0,0,.06)}
.sys{align-self:center;font-size:11.5px;color:#fff;background:var(--blue8);padding:5px 11px;border-radius:8px;margin:4px 0;text-align:center;max-width:90%}
.sys::before{content:"⚡ fala.chat · "}
.msg{max-width:84%;padding:7px 10px 18px;border-radius:10px;font-size:14px;color:var(--wa-ink);position:relative;white-space:pre-line;box-shadow:0 1px 1px rgba(0,0,0,.08);animation:pop .25s ease-out}
.msg.in{align-self:flex-start;background:var(--wa-in);border-top-left-radius:2px}
.msg.out{align-self:flex-end;background:var(--wa-out);border-top-right-radius:2px}
.msg .t{position:absolute;right:8px;bottom:3px;font-size:10.5px;color:var(--wa-meta)}
.msg.out .t::after{content:" ✓✓";color:#53bdeb}
.msg .btns{display:flex;flex-direction:column;margin:8px -4px -12px}
.msg .btns span{display:block;text-align:center;color:#027eb5;font-weight:500;padding:7px;border-top:1px solid rgba(0,0,0,.08);font-size:13.5px}
.msg .card{margin:-3px -6px 8px;border-radius:8px;overflow:hidden;background:var(--hero);color:#fff;padding:12px}
.msg .card b{display:block;font-size:15px;color:var(--yellow);font-family:Poppins,sans-serif}
.msg .card small{opacity:.92}
.typing{align-self:flex-end;background:var(--wa-out);border-radius:10px;padding:10px 14px;display:flex;gap:4px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--wa-meta);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.wa-foot{display:flex;gap:8px;padding:8px 10px;background:var(--wa-bg);align-items:center}
.wa-foot div{flex:1;background:var(--wa-in);color:var(--wa-meta);border-radius:22px;padding:10px 14px;font-size:14px}
.wa-foot button{width:42px;height:42px;border-radius:50%;border:0;background:#00a884;color:#fff;font-size:16px}
.side{position:sticky;top:88px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.side h3{margin:0 0 6px;font-size:20px;font-weight:700}
.side p{color:var(--muted);font-size:14.5px;margin:0 0 14px}
.side ul{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-direction:column;gap:9px}
.side li{display:flex;gap:9px;font-size:14px}
.side li::before{content:"";flex:0 0 8px;height:8px;margin-top:7px;border-radius:50%;background:var(--green)}
.kpi{border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--muted)}
.kpi b{display:block;color:var(--blue8);font-size:15px;margin-top:2px;font-family:Poppins,sans-serif}
.controls{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.controls button{font-family:inherit;font-size:13px;border-radius:999px;border:1px solid var(--line);background:var(--alt);color:var(--ink);padding:7px 13px;cursor:pointer}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.box .n{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;color:#fff;font-weight:700;margin-bottom:14px;font-family:Poppins,sans-serif;font-size:18px;box-shadow:0 10px 20px -10px rgba(15,23,42,.5)}
.box:nth-child(1) .n{background:var(--blue5)}.box:nth-child(2) .n{background:var(--purple)}.box:nth-child(3) .n{background:var(--green)}
.box h3{margin:0 0 8px;font-size:19px;font-weight:700}
.box p{margin:0;color:var(--muted);font-size:15px}
.box .tag{display:inline-block;margin-top:16px;font-size:12px;border-radius:999px;padding:4px 11px;background:var(--chip);color:var(--blue8);font-weight:600}
.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;position:relative}
.tl{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 16px;font-size:14px;color:var(--muted)}
.tl b{display:block;font-size:14px;color:var(--blue8);margin-bottom:6px;font-family:Poppins,sans-serif}
.tl::before{content:"";display:block;width:28px;height:4px;border-radius:4px;margin-bottom:12px;background:linear-gradient(90deg,var(--blue5),var(--purple),var(--green))}
.cta{background:var(--hero);color:#fff;border-radius:26px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta h2{color:#fff;margin:0 0 8px}
.cta h2 span{color:var(--yellow)}
.cta p{margin:0;color:#dbe4f5;max-width:560px}
footer{padding:32px 0 46px;color:var(--muted);font-size:13px;background:var(--alt);border-top:1px solid var(--line)}
footer .wrap{display:flex;gap:14px;align-items:flex-start}
footer .mark{flex:0 0 26px;height:26px;border-radius:50%;background:var(--green);display:grid;place-items:center}
footer .mark svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2.2}
@media (max-width:1060px){
  .demo{grid-template-columns:1fr}
  .tabs{position:static;flex-direction:row;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
  .tab{flex:0 0 220px;scroll-snap-align:start}
  .side{position:static;max-width:560px;justify-self:center;width:100%}
  .timeline{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:720px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .screen{height:620px}
  .cta{padding:30px}
  .logo small{display:none}
  .hero{padding-top:52px}
}
html,body{overflow-x:hidden}

/* v3: persuasão */
.btn svg{flex:0 0 auto}
.money{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.money div{background:var(--hero);color:#fff;border-radius:18px;padding:22px}
.money b{display:block;font-family:Poppins,sans-serif;font-size:30px;font-weight:800;color:var(--yellow);line-height:1.2;margin-bottom:6px}
.money span{font-size:14px;color:#dbe4f5}
.proof{padding:28px 0;background:var(--navy);color:#cbd5e1}
.proof p{margin:0;text-align:center;font-size:15.5px;max-width:860px;margin:0 auto}
.proof b{color:#fff}
.calc{display:grid;grid-template-columns:1.1fr 1fr;gap:22px;align-items:stretch}
.inputs{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;display:grid;gap:14px}
.inputs label{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:14.5px;color:var(--ink);font-weight:500}
.inputs input{width:110px;flex:0 0 110px;font:600 16px Poppins,sans-serif;color:var(--blue8);border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:var(--alt);text-align:right}
.inputs input:focus{outline:2px solid var(--blue5);outline-offset:1px}
.result{background:var(--hero);color:#fff;border-radius:18px;padding:26px;display:flex;flex-direction:column;justify-content:center}
.result > span{color:#cbd5e1;font-size:14px}
.result > b{font-family:Poppins,sans-serif;font-size:clamp(36px,5vw,52px);font-weight:800;color:var(--yellow);line-height:1.15;margin:4px 0 14px}
.result ul{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:8px}
.result li{display:flex;justify-content:space-between;gap:12px;font-size:14px;border-top:1px solid rgba(255,255,255,.14);padding-top:8px}
.result li b{color:#fff;white-space:nowrap}
.result li.once span{color:#a7f3d0}
.result small{color:#94a3b8;font-size:12px}
.faq{display:grid;gap:10px;max-width:860px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.faq summary{cursor:pointer;font-family:Poppins,sans-serif;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--blue8);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"-"}
.faq p{margin:10px 0 0;color:var(--muted);font-size:15px}
.cta h2 .y{color:var(--yellow)}
.cta-btns{display:flex;flex-direction:column;gap:10px;align-items:stretch}
@media (max-width:900px){.calc{grid-template-columns:1fr}.money{grid-template-columns:1fr}}
@media (max-width:720px){.hide-sm{display:none}.inputs label{font-size:14px}.inputs input{width:96px;flex-basis:96px}.cta-btns{width:100%}}
.logos{list-style:none;margin:16px auto 0;padding:0;display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.logos li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:12px 22px;text-align:center;min-width:150px}
.logos b{display:block;font-family:Poppins,sans-serif;font-size:19px;color:#fff;font-weight:700}
.logos span{font-size:12.5px;color:#94a3b8}
.proof{padding:34px 0}