:root{
  --navy:#241E4E;
  --navy-dark:#180F36;
  --orange:#00B3A4;
  --pink:#22A6D9;
  --grad: linear-gradient(90deg, var(--orange) 0%, var(--pink) 100%);
  --text:#5B5670;
  --gray-bg:#F6F4FB;
  --radius:999px;
  --border:#E5E1F2;
}
*{box-sizing:border-box; margin:0; padding:0;}
body{font-family:'Nunito', Arial, Helvetica, sans-serif; color:var(--text); line-height:1.5; background:#fff;}
img{max-width:100%; display:block;}
a{text-decoration:none; color:inherit;}
.container{max-width:1140px; margin:0 auto; padding:0 24px;}

.demo-bar{background:var(--navy-dark); color:#C9C5DE; text-align:center; font-size:12px; padding:8px 16px; letter-spacing:.02em;}
.demo-bar strong{color:#fff;}

header{padding:20px 0; border-bottom:1px solid #eee;}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;}
.logo{display:flex; align-items:center;}
.logo img{width:180px; height:auto; display:block;}
nav ul{display:flex; gap:24px; list-style:none; flex-wrap:wrap;}
nav a{font-weight:600; font-size:14px; color:var(--navy);}
nav a.active{color:var(--orange);}
.header-ctas{display:flex; gap:12px;}

.btn{display:inline-block; padding:12px 26px; border-radius:var(--radius); font-weight:700; font-size:14px; white-space:nowrap; border:2px solid transparent; cursor:pointer; font-family:inherit;}
.btn-outline{border-color:#fff; color:#fff;}
.btn-outline.dark{border-color:var(--navy); color:var(--navy);}
.btn-grad{background:var(--grad); color:#fff;}

.hero{background:var(--navy); color:#fff; padding:72px 0 64px;}
.hero-inner{max-width:760px;}
.eyebrow{display:inline-block; background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.25); padding:6px 16px; border-radius:var(--radius); font-size:13px; font-weight:700; letter-spacing:.03em; margin-bottom:20px;}
h1{font-size:44px; font-weight:800; line-height:1.15; margin-bottom:18px;}
h1 strong{color:var(--orange); font-weight:800;}
.hero p.sub{font-size:18px; color:#D8E2EE; margin-bottom:32px; max-width:600px;}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}

section{padding:72px 0;}
h2{font-size:30px; font-weight:800; color:var(--navy); margin-bottom:12px;}
h3{color:var(--navy);}
.section-sub{font-size:16px; color:var(--text); max-width:620px; margin-bottom:44px;}
.kicker{color:var(--orange); font-weight:800; font-size:14px; text-transform:uppercase; letter-spacing:.04em; margin-bottom:10px; display:block;}

.challenges{background:var(--gray-bg);}
.grid-6{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;}
.challenge-card{background:#fff; border-radius:16px; padding:28px; box-shadow:0 2px 10px rgba(0,52,107,.06);}
.challenge-card .icon{width:44px; height:44px; border-radius:12px; background:var(--grad); margin-bottom:16px; display:flex; align-items:center; justify-content:center; color:#fff; font-weight:800; font-size:18px;}
.challenge-card h3{font-size:17px; color:var(--navy); margin-bottom:8px;}
.challenge-card p{font-size:14px;}

.services .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:24px;}
.service-card{border:1px solid #eee; border-radius:16px; padding:28px; transition:box-shadow .2s;}
.service-card:hover{box-shadow:0 8px 24px rgba(0,52,107,.1);}
.service-card h3{font-size:18px; margin-bottom:8px;}
.service-card p{font-size:14px; margin-bottom:16px;}
.service-card .tag{display:inline-block; font-size:12px; font-weight:700; color:var(--orange); background:#FDEDE6; padding:4px 12px; border-radius:var(--radius); margin-bottom:14px;}
.service-card a.link{font-weight:700; font-size:14px; color:var(--navy);}
.service-card ul{margin:0 0 16px 18px; font-size:14px;}
.service-card li{margin-bottom:4px;}

.clients{text-align:center;}
.logo-row{display:flex; flex-wrap:wrap; justify-content:center; gap:36px; margin-top:32px;}
.logo-row span{font-weight:800; font-size:18px; color:#B7BFC9; letter-spacing:.02em;}

.cases{background:var(--gray-bg);}
.case-card{background:#fff; border-radius:16px; padding:32px; margin-bottom:24px; display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:24px;}
.case-card .client{grid-column:1/-1; font-weight:800; color:var(--navy); font-size:16px; margin-bottom:4px; display:flex; align-items:center; gap:10px;}
.case-card .client .dot{width:8px; height:8px; border-radius:50%; background:var(--grad);}
.case-col h4{font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:var(--orange); font-weight:800; margin-bottom:6px;}
.case-col p{font-size:14px;}
.case-note{font-size:12px; color:#98A2B3; grid-column:1/-1; font-style:italic;}

.cta-band{background:var(--navy); color:#fff; text-align:center;}
.cta-band h2{color:#fff;}
.cta-band p{color:#D8E2EE; max-width:560px; margin:0 auto 32px;}
.cta-band .hero-ctas{justify-content:center;}

footer{background:var(--navy-dark); color:#B9C4D2; padding:48px 0 24px; font-size:14px;}
.foot-grid{display:grid; grid-template-columns:2fr 1fr 1fr; gap:32px; margin-bottom:32px;}
footer h4{color:#fff; font-size:14px; margin-bottom:14px;}
footer ul{list-style:none;}
footer li{margin-bottom:8px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1); padding-top:20px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:13px;}

/* Formulário de qualificação */
.page-head{text-align:center; padding:56px 0 32px;}
.page-head p{max-width:520px; margin:0 auto; font-size:16px;}
.card{background:#fff; border-radius:20px; padding:40px; box-shadow:0 4px 24px rgba(0,52,107,.08); margin-bottom:60px;}
.progress{display:flex; gap:6px; margin-bottom:32px;}
.progress .bar{flex:1; height:4px; border-radius:4px; background:var(--border);}
.progress .bar.active{background:var(--grad);}
.step{display:none;}
.step.active{display:block;}
.q-label{font-size:18px; font-weight:800; color:var(--navy); margin-bottom:6px;}
.q-help{font-size:14px; color:#8A94A3; margin-bottom:20px;}
.options{display:flex; flex-direction:column; gap:10px; margin-bottom:8px;}
.option{border:2px solid var(--border); border-radius:12px; padding:16px 18px; cursor:pointer; font-weight:700; font-size:15px; color:var(--navy); display:flex; align-items:center; justify-content:space-between; transition:.15s;}
.option:hover{border-color:var(--orange);}
.option.selected{border-color:var(--orange); background:#FDEDE6;}
.option .radio{width:18px; height:18px; border-radius:50%; border:2px solid var(--border); flex-shrink:0;}
.option.selected .radio{border-color:var(--orange); background:var(--orange);}
label.field{display:block; font-weight:700; font-size:14px; color:var(--navy); margin-bottom:6px; margin-top:18px;}
input[type=text], input[type=email], input[type=tel]{
  width:100%; padding:13px 16px; border:2px solid var(--border); border-radius:10px; font-family:inherit; font-size:15px; color:var(--text);
}
input:focus{outline:none; border-color:var(--orange);}
.nav-row{display:flex; justify-content:space-between; align-items:center; margin-top:32px;}
.btn-ghost{background:none; color:var(--navy); border-color:var(--border);}
.btn:disabled{opacity:.4; cursor:not-allowed;}
.result{display:none; text-align:center;}
.result.active{display:block;}
.result .icon{width:64px; height:64px; border-radius:50%; background:var(--grad); color:#fff; display:flex; align-items:center; justify-content:center; font-size:28px; font-weight:800; margin:0 auto 20px;}
.result h2{color:var(--navy); font-size:24px; margin-bottom:12px;}
.result p{max-width:440px; margin:0 auto 8px;}
footer.slim{text-align:center; padding:24px 0; font-size:13px; color:#8A94A3; background:transparent;}

/* Uso-de-caso IA */
.usecase-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.usecase-card{background:#fff; border:1px solid #eee; border-radius:14px; padding:22px;}
.usecase-card h3{font-size:15px; margin-bottom:6px;}
.usecase-card p{font-size:13px;}

/* Menu mobile */
.menu-toggle{display:none; background:none; border:none; font-size:26px; color:var(--navy); cursor:pointer;}

@media (max-width:900px){
  .grid-6{grid-template-columns:repeat(2,1fr);}
  .services .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .usecase-grid{grid-template-columns:repeat(2,1fr);}
  .case-card{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .menu-toggle{display:block;}
  nav{display:none; width:100%; order:3;}
  nav.open{display:block;}
  nav ul{flex-direction:column; gap:0; border-top:1px solid #eee; margin-top:16px; padding-top:12px;}
  nav li{padding:10px 0; border-bottom:1px solid #f2f2f2;}
}
@media (max-width:560px){
  h1{font-size:32px;}
  .grid-6{grid-template-columns:1fr;}
  .usecase-grid{grid-template-columns:1fr;}
  .case-card{grid-template-columns:1fr;}
}