/* ==========================================================================
   KRTK Soluções — sistema visual
   Paleta: papel frio + tinta petróleo + laranja de sinal
   Tipos:  Archivo (títulos) · IBM Plex Sans (texto) · IBM Plex Mono (rótulos)
   ========================================================================== */

:root{
  --paper:#edeff1;
  --paper-2:#e3e8eb;
  --card:#ffffff;
  --ink:#0d1a22;
  --ink-2:#16262f;
  --slate:#55676f;
  --slate-2:#7b8c94;
  --rule:#ccd6db;
  --signal:#ff4d14;
  --signal-dk:#d63a08;
  --live:#12a86b;

  --display:'Archivo',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --wrap:1180px;
  --r:12px;
  --pad:clamp(64px,8vw,116px);
  --shadow:0 1px 2px rgba(13,26,34,.06),0 12px 32px -18px rgba(13,26,34,.35);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.022em;line-height:1.08;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:22px}
.wrap--narrow{max-width:820px}
.ico{width:1em;height:1em;flex:none;display:block}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:200}
.skip:focus{left:8px;top:8px}
:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:2.5px solid var(--signal);outline-offset:3px;border-radius:4px}

.eyebrow{font:500 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--signal-dk);margin:0 0 18px}
.eyebrow--light{color:#ff7a4d}

/* ==========================  BOTÕES  ==================================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font:600 16px/1 var(--body);text-decoration:none;cursor:pointer;
  padding:16px 24px;border-radius:10px;border:1.5px solid transparent;
  transition:transform .15s,background .15s,color .15s,border-color .15s}
.btn .ico{font-size:19px}
.btn--primary{background:var(--signal);color:#fff;box-shadow:0 8px 22px -10px rgba(255,77,20,.9)}
.btn--primary:hover{background:var(--signal-dk);transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.5)}
.btn--sm{padding:11px 17px;font-size:14.5px;border-radius:9px}
.btn--sm .ico{font-size:17px}
.btn--block{width:100%}

/* ==========================  NAV  ======================================= */
.nav{position:sticky;top:0;z-index:90;background:rgba(13,26,34,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.09)}
.nav__in{display:flex;align-items:center;gap:26px;height:70px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none}
.brand img{width:34px;height:34px;object-fit:contain}
.brand__name{font:800 18px/1 var(--display);letter-spacing:-.02em;color:#fff;display:flex;flex-direction:column}
.brand__name em{font:500 10px/1.4 var(--mono);font-style:normal;letter-spacing:.2em;text-transform:uppercase;color:#8fa3ac}
.nav__links{display:flex;gap:24px;margin-left:auto}
.nav__links a{font-size:14.5px;text-decoration:none;color:#c3d0d6;transition:color .15s}
.nav__links a:hover{color:#fff}
.nav__cta{display:flex;align-items:center;gap:10px}
.nav__burger{display:none;background:none;border:1px solid rgba(255,255,255,.2);color:#fff;
  width:42px;height:42px;border-radius:9px;align-items:center;justify-content:center;cursor:pointer}
.nav__burger .ico{font-size:22px}

/* ==========================  HERO  ====================================== */
.hero{background:var(--ink);color:#fff;padding:clamp(58px,7vw,92px) 0 clamp(70px,8vw,104px);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -60% 42%;height:70%;
  background:radial-gradient(closest-side,rgba(255,77,20,.16),transparent);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(36px,5vw,64px);align-items:center;position:relative;z-index:1}
.hero__h1{font-size:clamp(38px,5.1vw,62px);color:#fff}
.hero__h1 .hl{color:var(--signal)}
.hero__sub{margin-top:22px;max-width:36em;font-size:clamp(17px,1.35vw,19px);color:#b6c5cc}
.hero__ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero__reassure{margin-top:30px;display:flex;flex-direction:column;gap:10px;font:500 14px/1.4 var(--body);color:#9fb2ba}
.hero__reassure li{display:flex;align-items:center;gap:10px}
.hero__reassure .ico{font-size:15px;color:var(--live)}

/* ASSINATURA — celular com a demo real rodando ---------------------------- */
.showcase{display:flex;flex-direction:column;align-items:center;gap:14px}
.showcase__label{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#7f949d;
  display:flex;align-items:center;gap:8px}
.showcase__label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 0 rgba(18,168,107,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(18,168,107,0)}100%{box-shadow:0 0 0 0 rgba(18,168,107,0)}}
.device{width:min(300px,80vw);aspect-ratio:9/18.5;background:#050d12;border:8px solid #1c2c35;border-radius:38px;
  position:relative;box-shadow:0 44px 70px -30px rgba(0,0,0,.85);overflow:hidden}
.device__notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:36%;height:20px;
  background:#1c2c35;border-radius:0 0 12px 12px;z-index:3}
.device__screen{position:absolute;inset:0;border-radius:30px;overflow:hidden;background:#0f1e26}
.device__screen iframe{position:absolute;top:0;left:0;width:390px;height:844px;border:0;
  transform-origin:top left;pointer-events:none;z-index:2;background:#fff}
.device__fallback{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:6px;text-align:center;padding:20px;
  background:repeating-linear-gradient(45deg,#0f1e26,#0f1e26 12px,#12232c 12px,#12232c 24px)}
.device__fallback strong{font:800 19px/1.2 var(--display);color:#fff}
.device__fallback span{font:400 11px/1.4 var(--mono);color:#7f949d}
.showcase__link{display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  font:600 14.5px/1 var(--body);color:#fff;border-bottom:1.5px solid rgba(255,255,255,.3);padding-bottom:4px}
.showcase__link .ico{font-size:17px;transition:transform .18s}
.showcase__link:hover{color:var(--signal);border-color:var(--signal)}
.showcase__link:hover .ico{transform:translateX(4px)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .showcase__label::before,.am{animation:none!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* ==========================  SEÇÕES CLARAS  ============================= */
.sec{padding:var(--pad) 0}
.sec--alt{background:var(--paper-2)}
.sec__head{max-width:640px;margin-bottom:clamp(36px,4vw,54px)}
.sec__head--wide{max-width:760px}
.sec__h{font-size:clamp(29px,3.4vw,42px)}
.sec__lead{margin-top:16px;font-size:17.5px;color:var(--slate)}

/* dois caminhos ---------------------------------------------------------- */
.tracks{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.track{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:32px 30px 30px;
  display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.track:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b3c2c9}
.track--custom{background:var(--ink);border-color:var(--ink);color:#fff}
.track__tag{font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--signal-dk);margin-bottom:16px}
.track--custom .track__tag{color:#ff7a4d}
.track__h{font-size:clamp(23px,2.3vw,28px);margin-bottom:13px}
.track__p{color:var(--slate);font-size:16px;line-height:1.62}
.track--custom .track__p{color:#b6c5cc}
.track__meta{margin-top:18px;font:500 13px/1 var(--mono);color:var(--ink)}
.track__meta span{color:var(--slate-2);letter-spacing:.1em;text-transform:uppercase;margin-right:8px}
.track--custom .track__meta{color:#fff}
.track--custom .track__meta span{color:#7f949d}
.track__list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px;padding-top:20px;border-top:1px solid var(--rule)}
.track--custom .track__list{border-color:rgba(255,255,255,.15)}
.track__list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.track--custom .track__list li{color:#d3dee2}
.track__list .ico{font-size:15px;color:var(--live);margin-top:4px}
.track__cta{margin-top:auto;display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  font:600 15.5px/1 var(--body);color:var(--signal-dk)}
.track--custom .track__cta{color:var(--signal)}
.track__cta .ico{font-size:17px;transition:transform .18s}
.track__cta:hover .ico{transform:translateX(4px)}

/* capacidades ------------------------------------------------------------ */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cap{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:26px 24px;
  transition:transform .2s,box-shadow .2s}
.cap:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.cap__ico{width:44px;height:44px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center;margin-bottom:18px}
.cap__ico .ico{font-size:22px}
.cap h3{font-size:19.5px;margin-bottom:10px}
.cap p{font-size:15px;line-height:1.6;color:var(--slate)}
.cap--cta{background:var(--ink);border-color:var(--ink);color:#fff;display:flex;flex-direction:column}
.cap--cta p{color:#b6c5cc}
.cap__link{margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  font:600 15px/1 var(--body);color:var(--signal)}
.cap__link .ico{font-size:17px;transition:transform .18s}
.cap__link:hover .ico{transform:translateX(4px)}

/* demonstrações ---------------------------------------------------------- */
.demos{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.demo{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.demo:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.demo__shot{display:block;text-decoration:none;background:var(--ink);position:relative;aspect-ratio:3/2;overflow:hidden}
.demo__chrome{position:absolute;top:0;left:0;right:0;z-index:2;height:34px;display:flex;align-items:center;gap:6px;
  padding:0 12px;background:#0a151b;border-bottom:1px solid rgba(255,255,255,.12)}
.demo__chrome i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.22)}
.demo__url{margin-left:8px;font:400 11px/1 var(--mono);color:#7f949d;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.demo__shot img{width:100%;margin-top:34px;height:calc(100% - 34px);object-fit:cover;object-position:top center}
.demo__shot.is-empty::after{content:"Adicione o print em assets/img/demo-nails.png";position:absolute;inset:34px 0 0;
  display:grid;place-items:center;text-align:center;padding:20px;font:400 12px/1.5 var(--mono);color:#4b6069;
  background:repeating-linear-gradient(45deg,#0f1e26,#0f1e26 12px,#12232c 12px,#12232c 24px)}
.demo__live{position:absolute;top:46px;right:12px;z-index:3;font:600 10px/1 var(--mono);letter-spacing:.14em;
  text-transform:uppercase;background:var(--live);color:#fff;padding:6px 9px;border-radius:5px}
.demo__body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.demo__tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:13px}
.demo__tags span{font:500 10.5px/1 var(--mono);letter-spacing:.09em;text-transform:uppercase;
  color:var(--slate);border:1px solid var(--rule);padding:6px 9px;border-radius:5px}
.demo__h{font-size:23px;margin-bottom:10px}
.demo__body>p:not(.demo__tags){color:var(--slate);font-size:15.5px;line-height:1.6}
.demo__link{margin-top:18px;display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  font:600 15px/1 var(--body);color:var(--signal-dk)}
.demo__link .ico{font-size:17px;transition:transform .18s}
.demo__link:hover .ico{transform:translateX(4px)}
.demo--offer{background:var(--ink);border-color:var(--ink);color:#fff}
.demo--offer .demo__tags span{color:#9fb2ba;border-color:rgba(255,255,255,.2)}
.demo--offer .demo__body>p:not(.demo__tags){color:#b6c5cc}
.demo__list{margin:20px 0 24px;display:flex;flex-direction:column;gap:10px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.15)}
.demo__list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:#d3dee2}
.demo__list .ico{font-size:15px;color:var(--live);margin-top:4px}
.demo--offer .btn{margin-top:auto;align-self:flex-start}

/* assistente ------------------------------------------------------------- */
.assist{background:var(--ink-2);color:#fff;padding:var(--pad) 0;position:relative;overflow:hidden}
.assist::after{content:"";position:absolute;inset:-30% -20% auto auto;width:60%;height:80%;
  background:radial-gradient(closest-side,rgba(255,77,20,.13),transparent);pointer-events:none}
.assist__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,64px);align-items:center;position:relative;z-index:1}
.assist__h{font-size:clamp(28px,3.2vw,40px)}
.assist__lead{margin-top:18px;font-size:17.5px;color:#b6c5cc;max-width:34em}
.assist__list{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.assist__list li{display:flex;gap:13px;align-items:flex-start}
.assist__list li>span{width:38px;height:38px;flex:none;border-radius:9px;background:rgba(255,255,255,.07);
  display:grid;place-items:center;font-size:19px;color:var(--signal)}
.assist__list div{display:flex;flex-direction:column;font-size:14px;line-height:1.55;color:#9fb2ba}
.assist__list strong{font:600 15.5px/1.4 var(--body);color:#fff;margin-bottom:2px}
.assist__ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

.assist__win{background:#0a151b;border:1px solid rgba(255,255,255,.13);border-radius:14px;overflow:hidden;
  box-shadow:0 40px 70px -34px rgba(0,0,0,.85)}
.assist__bar{display:flex;align-items:center;gap:6px;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03)}
.assist__bar i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.22)}
.assist__bar span{margin-left:8px;font:400 11px/1 var(--mono);color:#7f949d}
.assist__msgs{padding:18px 16px;display:flex;flex-direction:column;gap:11px}
.am{max-width:88%;padding:12px 15px;border-radius:14px;font-size:14.5px;line-height:1.5;
  opacity:0;animation:amIn .5s ease forwards}
.am--me{align-self:flex-end;background:var(--signal);color:#fff;border-bottom-right-radius:5px}
.am--bot{align-self:flex-start;background:rgba(255,255,255,.08);color:#d3dee2;border-bottom-left-radius:5px}
.am:nth-child(1){animation-delay:.2s}
.am:nth-child(2){animation-delay:.9s}
.am:nth-child(3){animation-delay:1.6s}
.am:nth-child(4){animation-delay:2.3s}
@keyframes amIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* processo --------------------------------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:26px;border-top:2px solid var(--ink)}
.step__n{font:600 12px/1 var(--mono);letter-spacing:.14em;color:var(--signal-dk);
  position:absolute;top:-9px;left:0;background:var(--paper-2);padding-right:10px}
.step__h{font-size:20px;margin-bottom:9px}
.step p{font-size:15px;color:var(--slate);line-height:1.6}

/* compromissos ----------------------------------------------------------- */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule);border-radius:var(--r);overflow:hidden}
.tr{background:var(--card);padding:28px 24px}
.tr__ico{width:42px;height:42px;border-radius:10px;background:var(--paper-2);color:var(--ink);
  display:grid;place-items:center;font-size:21px;margin-bottom:18px}
.tr h3{font-size:18px;line-height:1.25;margin-bottom:10px}
.tr p{font-size:14.5px;line-height:1.6;color:var(--slate)}

/* FAQ -------------------------------------------------------------------- */
.faq{border-top:1px solid var(--rule)}
.faq__item{border-bottom:1px solid var(--rule)}
.faq h3{margin:0;font:inherit}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;cursor:pointer;text-align:left;padding:22px 2px;font:600 17.5px/1.4 var(--body);color:var(--ink)}
.faq__q .ico{font-size:20px;color:var(--slate-2);transition:transform .22s}
.faq__q[aria-expanded="true"] .ico{transform:rotate(180deg);color:var(--signal)}
.faq__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq__a>p{overflow:hidden;color:var(--slate);font-size:16px;line-height:1.65;padding-right:42px}
.faq__item.is-open .faq__a{grid-template-rows:1fr}
.faq__item.is-open .faq__a>p{padding-bottom:24px}

/* ==========================  CONTATO  =================================== */
.contato{background:var(--ink);color:#fff;padding:var(--pad) 0}
.contato__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,64px);align-items:start}
.contato__h{font-size:clamp(29px,3.4vw,42px)}
.contato__lead{margin-top:16px;color:#b6c5cc;font-size:17.5px;max-width:30em}
.contato__list{margin-top:34px;display:flex;flex-direction:column;gap:2px}
.contato__list li{display:flex;align-items:center;gap:15px;padding:15px 0;border-top:1px solid rgba(255,255,255,.11)}
.contato__list li>span:first-child{width:42px;height:42px;flex:none;border-radius:10px;
  background:rgba(255,255,255,.07);display:grid;place-items:center;font-size:20px;color:var(--signal)}
.contato__list a,.contato__list div{display:flex;flex-direction:column;text-decoration:none;font-size:15px;color:#9fb2ba}
.contato__list strong{font:600 15.5px/1.4 var(--body);color:#fff}
.contato__list a:hover strong{color:var(--signal)}

.formcard{background:var(--card);color:var(--ink);border-radius:14px;padding:30px 28px 28px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.field{margin-bottom:17px}
.field label{display:block;font:600 14px/1 var(--body);margin-bottom:8px}
.field .opt{font-weight:400;color:var(--slate-2)}
.field input,.field textarea,.field select{width:100%;background:#f6f8f9;border:1.5px solid var(--rule);
  border-radius:9px;padding:14px 15px;font-size:16px;transition:border-color .15s,background .15s}
.field textarea{resize:vertical;min-height:88px}
.field input::placeholder,.field textarea::placeholder{color:var(--slate-2)}
.field input:focus,.field textarea:focus,.field select:focus{background:#fff;border-color:var(--ink);outline:none}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:var(--signal);background:#fff6f2}
.select{position:relative}
.select select{appearance:none;padding-right:44px}
.select .ico{position:absolute;right:15px;top:50%;transform:translateY(-50%);font-size:19px;color:var(--slate);pointer-events:none}
.err{font-size:13.5px;color:var(--signal-dk);margin-top:6px}
.err:empty{display:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formcard__note{margin-top:14px;font-size:13px;color:var(--slate-2);text-align:center}
.formcard__status{margin-top:12px;font-size:14.5px;text-align:center;font-weight:600}
.formcard__status.ok{color:var(--live)}
.formcard__status.bad{color:var(--signal-dk)}

/* ==========================  RODAPÉ  ==================================== */
.foot{background:#08131a;color:#8fa3ac;padding:clamp(52px,6vw,74px) 0 26px;font-size:15px}
.foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot__brand p{margin-top:16px;max-width:34ch;line-height:1.65}
.foot__social{display:flex;gap:9px;margin-top:20px}
.foot__social a{width:40px;height:40px;border:1px solid rgba(255,255,255,.14);border-radius:9px;
  display:grid;place-items:center;font-size:19px;color:#c3d0d6;transition:background .15s,color .15s}
.foot__social a:hover{background:var(--signal);border-color:var(--signal);color:#fff}
.foot__col h2{font:600 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.foot__col li{margin-bottom:10px}
.foot__col a{text-decoration:none;transition:color .15s}
.foot__col a:hover{color:var(--signal)}
.foot__bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font:400 13px/1.5 var(--mono);color:#63787f}

/* ==========================  CHAT  ====================================== */
.fab{position:fixed;right:20px;bottom:20px;z-index:120;display:flex;align-items:center;gap:10px}
.fab__teaser{position:relative;background:#fff;border:1px solid var(--rule);border-radius:12px;
  padding:12px 34px 12px 15px;font-size:14.5px;max-width:230px;box-shadow:var(--shadow);cursor:pointer;animation:teaserIn .4s ease}
@keyframes teaserIn{from{opacity:0;transform:translateY(8px)}}
.fab__teaser button{position:absolute;top:6px;right:6px;background:none;border:0;cursor:pointer;color:var(--slate-2);font-size:14px;padding:4px;line-height:0}
.fab__btn{width:60px;height:60px;border-radius:50%;border:0;cursor:pointer;background:var(--signal);color:#fff;
  display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(255,77,20,.8);transition:transform .18s,background .18s}
.fab__btn:hover{transform:scale(1.06)}
.fab__btn .ico{font-size:27px;grid-area:1/1;transition:opacity .2s,transform .2s}
.fab__btn .ico--close{opacity:0;transform:rotate(-90deg)}
.fab__btn[aria-expanded="true"]{background:var(--ink)}
.fab__btn[aria-expanded="true"] .ico--chat{opacity:0;transform:rotate(90deg)}
.fab__btn[aria-expanded="true"] .ico--close{opacity:1;transform:none}

.chat{position:fixed;right:20px;bottom:94px;z-index:119;width:380px;max-width:calc(100vw - 40px);
  height:min(560px,calc(100vh - 130px));background:#fff;border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 40px 80px -30px rgba(13,26,34,.55);
  border:1px solid var(--rule);transform-origin:bottom right}
.chat[hidden]{display:none}
.chat.is-in{animation:chatIn .26s cubic-bezier(.2,.9,.3,1.2)}
@keyframes chatIn{from{opacity:0;transform:translateY(14px) scale(.96)}}
.chat__head{display:flex;align-items:center;gap:12px;padding:13px 14px;background:var(--ink);color:#fff}
.chat__id{display:flex;align-items:center;gap:11px;min-width:0}
.chat__av{width:38px;height:38px;flex:none;border-radius:10px;background:var(--signal);display:grid;place-items:center;font-size:20px}
.chat__id div{display:flex;flex-direction:column;min-width:0}
.chat__id strong{font:600 15px/1.3 var(--body)}
.chat__status{display:flex;align-items:center;gap:6px;font:400 12px/1.4 var(--body);color:#9fb2ba}
.chat__status i{width:7px;height:7px;border-radius:50%;background:var(--live)}
.chat__acts{margin-left:auto;display:flex;align-items:center;gap:6px}
.chat__wa{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font:600 12.5px/1 var(--body);
  background:rgba(18,168,107,.18);color:#3fd399;padding:9px 11px;border-radius:8px;transition:background .15s}
.chat__wa:hover{background:var(--live);color:#fff}
.chat__wa .ico{font-size:16px}
.chat__close{background:none;border:0;color:#9fb2ba;cursor:pointer;font-size:19px;padding:8px;line-height:0;border-radius:8px}
.chat__close:hover{color:#fff;background:rgba(255,255,255,.1)}

.chat__body{flex:1;overflow-y:auto;padding:18px 16px;background:#f6f8f9;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin}
.msg{max-width:86%;padding:12px 15px;border-radius:14px;font-size:15px;line-height:1.55;
  animation:msgIn .25s ease;white-space:pre-wrap;overflow-wrap:anywhere}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}}
.msg--bot{align-self:flex-start;background:#fff;border:1px solid var(--rule);border-bottom-left-radius:5px}
.msg--me{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:5px}
.msg a{color:var(--signal-dk);font-weight:600}
.msg--me a{color:#ff9d78}
.chips{display:flex;flex-wrap:wrap;gap:8px;align-self:flex-start;max-width:100%}
.chip{background:#fff;border:1.5px solid var(--rule);border-radius:999px;padding:9px 14px;
  font:500 14px/1 var(--body);cursor:pointer;transition:border-color .15s,background .15s;color:var(--ink)}
.chip:hover{border-color:var(--signal);background:#fff6f2;color:var(--signal-dk)}
.typing{align-self:flex-start;background:#fff;border:1px solid var(--rule);border-radius:14px;
  border-bottom-left-radius:5px;padding:15px 16px;display:flex;gap:5px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--slate-2);animation:bob 1.1s infinite}
.typing i:nth-child(2){animation-delay:.15s}
.typing i:nth-child(3){animation-delay:.3s}
@keyframes bob{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

.chat__foot{display:flex;gap:8px;padding:12px;border-top:1px solid var(--rule);background:#fff}
.chat__foot input{flex:1;background:#f6f8f9;border:1.5px solid var(--rule);border-radius:10px;padding:12px 14px;font-size:15px}
.chat__foot input:focus{outline:none;border-color:var(--ink);background:#fff}
.chat__foot button{width:46px;flex:none;border:0;border-radius:10px;background:var(--signal);color:#fff;
  cursor:pointer;display:grid;place-items:center;font-size:20px;transition:background .15s}
.chat__foot button:hover{background:var(--signal-dk)}

/* ==========================  REVELAÇÃO NO SCROLL  ======================= */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-vis{opacity:1;transform:none}

/* ==========================  RESPONSIVO  ================================ */
@media (max-width:1080px){
  .caps{grid-template-columns:1fr 1fr}
  .trust{grid-template-columns:1fr 1fr}
}
@media (max-width:1000px){
  .hero__grid{grid-template-columns:1fr;gap:48px}
  .showcase{order:-1}
  .tracks{grid-template-columns:1fr;gap:22px}
  .demos{grid-template-columns:1fr}
  .assist__grid{grid-template-columns:1fr;gap:40px}
  .steps{grid-template-columns:1fr 1fr;gap:28px}
  .contato__grid{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav__links{position:fixed;inset:70px 0 auto;flex-direction:column;gap:0;background:var(--ink);
    padding:8px 22px 22px;border-bottom:1px solid rgba(255,255,255,.12);display:none}
  .nav__links.is-open{display:flex}
  .nav__links a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .nav__burger{display:flex}
  .nav__cta .btn{display:none}
  .nav__in{gap:14px}
  .brand__name{font-size:17px}
  .hero__reassure{gap:8px;font-size:13.5px}
  .caps{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr}
  .assist__list{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:24px}
  .foot__grid{grid-template-columns:1fr;gap:30px}
  .foot__bottom{flex-direction:column}
  .formcard{padding:24px 20px}
  .fab{right:14px;bottom:14px}
  .chat{right:0;left:0;bottom:0;width:100%;max-width:100%;height:88vh;border-radius:18px 18px 0 0}
  .fab__teaser{display:none}
}