/* =========================================================
   AMNAI — Design System
   Fonte única de estilo. Qualquer alteração aqui reflete
   automaticamente em todas as páginas do site.
   ========================================================= */

:root{
  --bg:#FFFFFF;
  --bg-ice:#F7F9FC;
  --text-main:#2B3242;      /* cinza ardósia escuro */
  --text-soft:#5B6478;
  --azure:#0F6CE0;          /* azul azure destaque */
  --azure-dark:#0B57B8;
  --navy:#0B1E3D;           /* azul marinho */
  --navy-soft:#132C54;
  --line:#E6EAF1;
  --card-shadow: 0 12px 32px -16px rgba(15,45,90,0.14);
  --radius-btn: 6px;
  --radius-card: 10px;
  --space-1:8px; --space-2:16px; --space-3:24px; --space-4:32px; --space-6:64px; --space-8:128px;
  --font-head:'Inter', 'Segoe UI', sans-serif;
  --font-body:'Segoe UI','Inter', sans-serif;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block; max-width:100%;}
a{color:inherit; text-decoration:none;}
.wrap{
  max-width:1320px;
  margin:0 auto;
  padding:0 var(--space-4);
}
h1,h2,h3,h4{
  font-family: var(--font-head);
  color: var(--navy);
  letter-spacing:-0.02em;
  line-height:1.12;
}
.eyebrow{
  font-family: var(--font-head);
  font-weight:700;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color: var(--azure);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:56px;
  padding:0 30px;
  border-radius:var(--radius-btn);
  font-family:var(--font-head);
  font-weight:600;
  font-size:15px;
  border:none;
  cursor:pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary{
  background:var(--azure);
  color:#fff;
  box-shadow:0 10px 24px -10px rgba(15,108,224,0.55);
}
.btn-primary:hover{ background:var(--azure-dark); transform:translateY(-2px); }
.btn-ghost{
  background:transparent;
  color:var(--navy);
  border:1.5px solid var(--line);
}
.btn-ghost:hover{ border-color:var(--azure); color:var(--azure); transform:translateY(-2px); }
.btn-onnavy{
  background:#fff;
  color:var(--navy);
}
.btn-onnavy:hover{ background:var(--azure); color:#fff; transform:translateY(-2px); }
.btn-sm{ height:44px; padding:0 20px; font-size:14px; }

/* reveal on scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ===== LOGO (usado no header e footer) ===== */
.logo{ display:flex; align-items:center; gap:10px; font-family:var(--font-head); font-weight:800; font-size:19px; color:var(--navy); }
.logo-mark{ width:32px; height:32px; flex-shrink:0; }
.logo-word{ position:relative; display:inline-flex; align-items:center; letter-spacing:-0.01em; }
.logo-word .ai{ color:var(--azure); position:relative; margin-left:1px; }
.logo-word .spark{ position:absolute; top:-7px; right:-9px; width:11px; height:11px; }
footer .logo-word{ color:#fff; }

/* ===== HEADER ===== */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
header.scrolled{
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -20px rgba(15,45,90,0.35);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:84px;
}
.nav-links{ display:flex; gap:var(--space-4); align-items:center; }
.nav-links a{
  font-family:var(--font-head);
  font-weight:600;
  font-size:14.5px;
  color:var(--text-soft);
  position:relative;
  padding:6px 2px;
}
.nav-links a:hover{ color:var(--navy); }
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px; background:var(--azure);
  transition:width .2s ease;
}
.nav-links a:hover::after{ width:100%; }
.nav-links a.active{ color:var(--navy); }
.nav-links a.active::after{ width:100%; }
.nav-cta{ display:flex; align-items:center; gap:var(--space-3); }

/* ===== HERO (home) ===== */
.hero{
  padding: 100px 0 var(--space-8);
  background:
    radial-gradient(1100px 500px at 78% -10%, rgba(15,108,224,0.07), transparent 60%),
    var(--bg);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items:center;
}
.hero h1{
  font-size: clamp(34px, 4vw, 50px);
  font-weight:800;
  margin-bottom:var(--space-3);
}
.hero h1 .hl{ color:var(--azure); }
.hero .sub{
  font-size:18px;
  color:var(--text-soft);
  max-width:520px;
  margin-bottom:var(--space-4);
}
.hero-ctas{ display:flex; gap:var(--space-3); align-items:center; flex-wrap:wrap; }
.hero-microcopy{ margin-top:var(--space-3); font-size:13px; color:var(--text-soft); display:flex; align-items:center; gap:8px; }
.dot{ width:6px; height:6px; border-radius:50%; background:#2AC77F; box-shadow:0 0 0 4px rgba(42,199,127,0.15); }

.cube-stage{
  position:relative;
  height:480px;
  display:flex; align-items:center; justify-content:center;
}
.cube-stage svg{ width:100%; height:100%; }

/* ===== PAGE HERO (páginas internas) ===== */
.page-hero{
  padding: 76px 0 var(--space-6);
  background: var(--bg-ice);
  border-bottom:1px solid var(--line);
}
.page-hero .eyebrow{ margin-bottom:12px; display:block; }
.page-hero h1{ font-size:clamp(30px,3.6vw,44px); font-weight:800; max-width:760px; }
.page-hero p{ margin-top:var(--space-2); color:var(--text-soft); font-size:17px; max-width:620px; }
.breadcrumb{ font-size:13px; color:var(--text-soft); margin-bottom:var(--space-2); display:flex; gap:8px; align-items:center; }
.breadcrumb a{ color:var(--text-soft); }
.breadcrumb a:hover{ color:var(--azure); }

/* ===== TRUST BAR ===== */
.trust{
  background: var(--bg-ice);
  padding: var(--space-4) 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.trust-inner{ display:flex; align-items:center; gap:var(--space-6); flex-wrap:wrap; }
.trust-label{ font-family:var(--font-head); font-weight:700; font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color:var(--text-soft); white-space:nowrap; }
.trust-logos{ display:flex; gap:var(--space-6); align-items:center; flex-wrap:wrap; opacity:0.55; filter:grayscale(1); }
.trust-logos span{ font-family:var(--font-head); font-weight:700; font-size:16px; color:var(--text-soft); }

/* ===== SECTION generic ===== */
section{ padding: var(--space-8) 0; }
.section-head{ text-align:center; max-width:640px; margin:0 auto var(--space-6); }
.section-head h2{ font-size:clamp(28px,3vw,38px); font-weight:800; margin-top:var(--space-2); }
.section-head p{ color:var(--text-soft); font-size:16.5px; margin-top:var(--space-2); }

/* ===== PILLARS / bento cards ===== */
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--space-3); }
.card{
  background:#fff;
  border-radius:var(--radius-card);
  padding:var(--space-4);
  box-shadow:var(--card-shadow);
  border-top:3px solid var(--azure);
  transition: transform .22s ease, box-shadow .22s ease;
}
.card:hover{ transform:translateY(-6px); box-shadow:0 20px 44px -18px rgba(15,45,90,0.24); }
.card-icon{ width:52px; height:52px; margin-bottom:var(--space-3); }
.card h3{ font-size:20px; margin-bottom:8px; }
.card p{ color:var(--text-soft); font-size:15px; }
.card-tag{
  display:inline-block; margin-top:var(--space-3);
  font-family:var(--font-head); font-weight:700; font-size:11.5px; letter-spacing:0.06em;
  color:var(--azure); text-transform:uppercase;
  background:rgba(15,108,224,0.08); padding:5px 10px; border-radius:20px;
}
.card a.card-link{ display:inline-block; margin-top:var(--space-3); font-family:var(--font-head); font-weight:600; font-size:14px; color:var(--azure); }
.card a.card-link:hover{ text-decoration:underline; }

/* ===== SOLUÇÕES (página) — blocos detalhados ===== */
.solution-block{
  display:grid; grid-template-columns:0.9fr 1.1fr; gap:var(--space-6); align-items:center;
  padding: var(--space-6) 0;
  border-bottom:1px solid var(--line);
}
.solution-block:last-child{ border-bottom:none; }
.solution-icon-wrap{
  width:100%; aspect-ratio:1/0.8; background:var(--bg-ice); border-radius:14px; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
}
.solution-icon-wrap svg{ width:120px; height:120px; }
.solution-copy h3{ font-size:26px; margin-bottom:12px; }
.solution-copy p{ color:var(--text-soft); font-size:16px; margin-bottom:var(--space-3); }
.solution-list{ list-style:none; display:flex; flex-direction:column; gap:10px; }
.solution-list li{ display:flex; gap:10px; align-items:flex-start; font-size:15px; }
.solution-list svg{ flex-shrink:0; margin-top:2px; }

/* ===== APPROACH (Z layout) ===== */
.approach-row{
  display:grid; grid-template-columns:1fr 1fr; gap:var(--space-6); align-items:center;
  margin-bottom:var(--space-6);
}
.approach-row.reverse .art{ order:2; }
.approach-row.reverse .copy{ order:1; }
.approach-art{
  background:var(--bg-ice);
  border-radius:14px;
  padding:var(--space-4);
  border:1px solid var(--line);
  height:320px;
  display:flex; align-items:center; justify-content:center;
}
.approach-copy .eyebrow{ margin-bottom:10px; display:block; }
.approach-copy h3{ font-size:26px; margin-bottom:12px; }
.approach-copy p{ color:var(--text-soft); font-size:16px; margin-bottom:var(--space-3); }
.checklist{ list-style:none; display:flex; flex-direction:column; gap:10px; }
.checklist li{ display:flex; gap:10px; align-items:flex-start; font-size:15px; color:var(--text-main); }
.checklist svg{ flex-shrink:0; margin-top:2px; }

/* ===== RESULTS ===== */
.results{ background:var(--bg-ice); }
.results-grid{ display:grid; grid-template-columns:1fr 1fr; gap:var(--space-3); }
.result-card{
  background:#fff; border-radius:var(--radius-card); padding:var(--space-4);
  box-shadow:var(--card-shadow); border:1px solid var(--line);
}
.result-metric{
  font-family:var(--font-head); font-weight:800; font-size:44px; color:var(--azure); line-height:1;
}
.result-metric span{ font-size:22px; }
.result-desc{ margin-top:var(--space-2); font-size:15px; color:var(--text-main); }
.result-quote{ margin-top:var(--space-3); padding-top:var(--space-3); border-top:1px solid var(--line); font-size:13.5px; color:var(--text-soft); display:flex; align-items:center; gap:10px; }
.avatar{ width:34px; height:34px; border-radius:50%; background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center; font-family:var(--font-head); font-weight:700; font-size:13px; flex-shrink:0; }

/* ===== CONTATO (formulário) ===== */
.contact-grid{ display:grid; grid-template-columns:1fr 0.85fr; gap:var(--space-6); }
.contact-form{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-card); padding:var(--space-4); box-shadow:var(--card-shadow); }
.form-row{ margin-bottom:var(--space-3); }
.form-row label{ display:block; font-family:var(--font-head); font-weight:600; font-size:13.5px; color:var(--navy); margin-bottom:6px; }
.form-row input, .form-row textarea{
  width:100%; border:1.5px solid var(--line); border-radius:6px; padding:12px 14px;
  font-family:var(--font-body); font-size:15px; color:var(--text-main); background:var(--bg-ice);
  transition:border-color .15s ease, background .15s ease;
}
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color:var(--azure); background:#fff; }
.form-row textarea{ min-height:120px; resize:vertical; }
.contact-info{ background:var(--navy); color:rgba(255,255,255,0.82); border-radius:var(--radius-card); padding:var(--space-4); }
.contact-info h3{ color:#fff; font-size:20px; margin-bottom:var(--space-2); }
.contact-info-item{ display:flex; gap:12px; align-items:flex-start; margin-bottom:var(--space-3); font-size:14.5px; }
.contact-info-item svg{ flex-shrink:0; margin-top:2px; }

/* ===== FINAL CTA ===== */
.cta-final{
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  border-radius:20px;
  padding:var(--space-8) var(--space-6);
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-final::before{
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(600px 300px at 15% 10%, rgba(15,108,224,0.28), transparent 60%),
    radial-gradient(500px 260px at 85% 90%, rgba(15,108,224,0.18), transparent 60%);
}
.cta-final > *{ position:relative; z-index:1; }
.cta-final h2{ color:#fff; font-size:clamp(26px,3.4vw,36px); margin-bottom:var(--space-2); }
.cta-final p{ color:rgba(255,255,255,0.72); max-width:520px; margin:0 auto var(--space-4); font-size:16px; }
.cta-actions{ display:flex; gap:var(--space-3); justify-content:center; flex-wrap:wrap; }

/* ===== FOOTER ===== */
footer{ background:var(--navy); color:rgba(255,255,255,0.7); padding:var(--space-6) 0 var(--space-4); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:var(--space-4); padding-bottom:var(--space-4); border-bottom:1px solid rgba(255,255,255,0.12); }
.footer-brand p{ margin-top:var(--space-2); font-size:14px; max-width:280px; color:rgba(255,255,255,0.55); }
.footer-col h4{ color:#fff; font-size:13px; letter-spacing:0.06em; text-transform:uppercase; margin-bottom:var(--space-2); font-family:var(--font-head); }
.footer-col ul{ list-style:none; display:flex; flex-direction:column; gap:9px; }
.footer-col a{ font-size:14px; color:rgba(255,255,255,0.62); transition:color .15s ease; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:var(--space-3); font-size:13px; color:rgba(255,255,255,0.45); flex-wrap:wrap; gap:12px; }
.footer-social{ display:flex; gap:14px; }
.footer-social a{ width:34px; height:34px; border-radius:50%; border:1px solid rgba(255,255,255,0.18); display:flex; align-items:center; justify-content:center; transition: all .15s ease; }
.footer-social a:hover{ background:var(--azure); border-color:var(--azure); }
.badges{ display:flex; gap:10px; margin-top:var(--space-2); }
.badge{ font-size:11px; font-weight:700; font-family:var(--font-head); border:1px solid rgba(255,255,255,0.18); padding:5px 9px; border-radius:5px; color:rgba(255,255,255,0.6); }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
  .cube-stage{ order:-1; height:320px; }
  .pillars{ grid-template-columns:1fr; }
  .approach-row, .approach-row.reverse{ grid-template-columns:1fr; }
  .approach-row.reverse .art, .approach-row.reverse .copy{ order:initial; }
  .solution-block{ grid-template-columns:1fr; }
  .results-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .nav-links{ display:none; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  section{ padding: var(--space-6) 0; }
  .hero{ padding: 60px 0 var(--space-6); }
}