/* ============ KmLitro — Site institucional ============ */
:root{
  --brand:#0E7C86; --brand-600:#0a626a; --brand-050:#e6f4f5; --accent:#F59E0B;
  --green:#16a34a; --red:#dc2626;
  --bg:#ffffff; --bg-alt:#f4f7f8; --surface:#ffffff; --border:#e2e8f0;
  --text:#0f172a; --muted:#5a6b82;
  --radius:18px; --shadow:0 1px 2px rgba(15,23,42,.05),0 12px 32px rgba(15,23,42,.07);
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --max:1120px;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0b1220; --bg-alt:#0f1728; --surface:#131c2e; --border:#24314b;
    --text:#e8eefb; --muted:#9fb0c9; --brand-050:#10333a;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 16px 40px rgba(0,0,0,.35);
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);background:var(--bg);color:var(--text);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased
}
img,svg{max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .5em;line-height:1.18;letter-spacing:-.022em;font-weight:800}
h1{font-size:clamp(30px,5.2vw,50px)}
h2{font-size:clamp(24px,3.6vw,34px)}
h3{font-size:19px;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.center{text-align:center}
.small{font-size:14.5px}

/* Header */
header.site{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)
}
header.site .wrap{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--text)}
.logo:hover{text-decoration:none}
.logo svg{width:30px;height:30px;color:var(--brand)}
nav.main{margin-left:auto;display:flex;align-items:center;gap:24px}
nav.main a{color:var(--muted);font-size:15px;font-weight:600}
nav.main a:hover{color:var(--text);text-decoration:none}
@media (max-width:820px){ nav.main a.hide-sm{display:none} }

/* Botões */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;
  background:var(--brand);color:#fff;font-weight:700;font-size:16px;padding:13px 22px;border-radius:14px;
  cursor:pointer;transition:transform .12s,filter .15s;white-space:nowrap
}
.btn:hover{filter:brightness(1.08);text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn.sm{padding:9px 16px;font-size:15px;border-radius:12px}
.btn.lg{padding:16px 28px;font-size:17px}
.btn svg{width:20px;height:20px}

/* Hero */
.hero{padding:64px 0 40px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-120px 0 auto -10%;height:420px;
  background:radial-gradient(60% 60% at 30% 40%,rgba(14,124,134,.16),transparent 70%);pointer-events:none
}
.hero .grid{display:grid;gap:48px;grid-template-columns:1fr;align-items:center;position:relative}
@media (min-width:960px){ .hero .grid{grid-template-columns:1.05fr .95fr} .hero{padding:84px 0 60px} }
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-050);color:var(--brand);
  font-weight:700;font-size:13.5px;padding:7px 14px;border-radius:999px;margin-bottom:18px
}
.hero p.lead{font-size:19px;color:var(--muted);max-width:36em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 14px}
.trust{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.trust span{display:flex;align-items:center;gap:6px}
.trust svg{width:17px;height:17px;color:var(--green)}

/* Mockup do app */
.mock{
  background:linear-gradient(160deg,var(--brand),#0a5f68);border-radius:32px;padding:20px;
  box-shadow:var(--shadow);position:relative
}
.mock .screen{background:var(--surface);border-radius:22px;overflow:hidden;color:var(--text)}
.mock .bar{background:var(--brand);color:#fff;padding:14px 16px;font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px}
.mock .body{padding:14px;display:grid;gap:10px;grid-template-columns:1fr 1fr}
.mock .tile{border:1px solid var(--border);border-radius:14px;padding:12px}
.mock .tile .k{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.mock .tile .v{font-size:21px;font-weight:800;letter-spacing:-.02em}
.mock .row{grid-column:1/-1;display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:12px;padding:10px 12px}
.mock .dot{width:34px;height:34px;border-radius:10px;background:var(--accent);flex:none}
.mock .row .t{font-size:14px;font-weight:600}
.mock .row .s{font-size:12px;color:var(--muted)}
.mock .row .amt{margin-left:auto;font-weight:700;font-size:14px}

/* Seções */
section{padding:60px 0}
section.alt{background:var(--bg-alt)}
.section-head{max-width:44em;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.cards{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow)
}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand);margin-bottom:14px
}
.card .ico svg{width:23px;height:23px}
.card p:last-child{margin-bottom:0}
.card p{font-size:15.5px;color:var(--muted)}

/* Passos */
.steps{counter-reset:step;display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.step{position:relative;padding-left:56px}
.step::before{
  counter-increment:step;content:counter(step);position:absolute;left:0;top:-2px;
  width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px
}
.step h3{margin-bottom:4px}
.step p{font-size:15.5px;color:var(--muted);margin:0}

/* Preços */
.pricing{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));max-width:760px;margin:0 auto}
.plan{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.plan.featured{border-color:var(--brand);border-width:2px;position:relative}
.plan .tag{position:absolute;top:-13px;right:20px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.plan .price{font-size:38px;font-weight:800;letter-spacing:-.03em;margin:8px 0 2px}
.plan .price small{font-size:15px;font-weight:600;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:10px}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px}
.plan li svg{width:19px;height:19px;color:var(--green);flex:none;margin-top:3px}

/* FAQ */
.faq{max-width:800px;margin:0 auto}
.faq details{border-bottom:1px solid var(--border);padding:6px 0}
.faq summary{
  cursor:pointer;padding:16px 0;font-weight:700;font-size:17px;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--brand);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 16px;font-size:16px}

/* Calculadora */
.calc-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);max-width:640px;margin:0 auto}
.calc-grid{display:grid;gap:14px;grid-template-columns:1fr 1fr}
@media (max-width:560px){ .calc-grid{grid-template-columns:1fr} }
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.input{
  width:100%;background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;
  padding:13px 15px;font-size:16px;font-family:inherit;color:inherit;outline:none
}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-050)}
.result{
  margin-top:20px;background:var(--brand-050);border-radius:14px;padding:20px;text-align:center
}
.result .big{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.result .lbl{font-size:14px;color:var(--muted);font-weight:600}
.result .extra{margin-top:10px;font-size:15px}
.tabs-lite{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.tabs-lite button{
  border:1px solid var(--border);background:var(--surface);color:var(--muted);font-weight:700;font-size:14.5px;
  padding:9px 16px;border-radius:999px;cursor:pointer
}
.tabs-lite button[aria-selected="true"]{background:var(--brand);border-color:var(--brand);color:#fff}

/* Tabela */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:15.5px;background:var(--surface);border-radius:14px;overflow:hidden}
table.data th,table.data td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left}
table.data th{background:var(--bg-alt);font-size:13.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
table.data td:last-child,table.data th:last-child{text-align:right}

/* Ads */
.ad-slot{
  border:1px dashed var(--border);border-radius:var(--radius);min-height:100px;display:grid;place-items:center;
  color:var(--muted);font-size:13px;background:var(--bg-alt);margin:32px auto;max-width:var(--max);text-align:center;padding:10px
}

/* Faixa CTA */
.cta-band{background:linear-gradient(140deg,var(--brand),#0a5f68);color:#fff;border-radius:24px;padding:44px 32px;text-align:center;margin:0 20px}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:44em;margin:0 auto 22px}
.cta-band .btn{background:#fff;color:var(--brand)}
.cta-band .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}

/* Footer */
footer.site{padding:48px 0 32px;border-top:1px solid var(--border);margin-top:60px;font-size:15px}
footer.site .cols{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:28px}
footer.site h4{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 12px}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer.site a{color:var(--text)}
footer.site .legal{color:var(--muted);font-size:14px;border-top:1px solid var(--border);padding-top:20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--brand);color:#fff;padding:10px 16px;border-radius:10px;z-index:100}