/* STOA Negócios Digitais — compliance-grade corporate site */
:root {
  --navy: #0b1a33;
  --navy-2: #12294d;
  --ink: #1a2233;
  --slate: #4a5568;
  --muted: #6b7280;
  --line: #e5e8ee;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --accent: #1f7a8c;
  --accent-2: #d4a537;
  --radius: 12px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--navy); }
.brand .mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--navy), var(--accent));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 15px;
  letter-spacing: 0.5px;
}
.brand .brand-txt { line-height: 1.1; }
.brand .brand-txt small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); letter-spacing: 0.6px; text-transform: uppercase; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--slate); font-size: 15px; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--navy); text-decoration: none; }
.nav-cta {
  background: var(--navy); color: #fff !important; padding: 9px 16px; border-radius: 8px; font-size: 14px;
}
.nav-cta:hover { background: var(--navy-2); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; color: var(--navy); cursor: pointer; }

/* Hero */
.hero {
  background: radial-gradient(1200px 500px at 80% -10%, rgba(31,122,140,0.18), transparent 60%),
              linear-gradient(180deg, #0b1a33 0%, #12294d 100%);
  color: #eaf0f7; padding: 84px 0 76px;
}
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.1; margin: 0 0 18px; color: #fff; letter-spacing: -0.5px; }
.hero p.lead { font-size: clamp(17px, 2.2vw, 20px); color: #b9c6d8; max-width: 640px; margin: 0 0 30px; }
.hero .eyebrow { color: var(--accent-2); font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; font-size: 13px; margin-bottom: 14px; }
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 9px; font-weight: 600; font-size: 15px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #196576; text-decoration: none; }
.btn-ghost { border: 1px solid rgba(255,255,255,0.35); color: #fff; margin-left: 12px; }
.btn-ghost:hover { border-color: #fff; text-decoration: none; }

/* Sections */
section.block { padding: 74px 0; }
section.block.soft { background: var(--bg-soft); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head .eyebrow { color: var(--accent); font-weight: 600; letter-spacing: 1.4px; text-transform: uppercase; font-size: 13px; }
.section-head h2 { font-size: clamp(24px, 3.4vw, 34px); color: var(--navy); margin: 8px 0 14px; letter-spacing: -0.4px; }
.section-head p { color: var(--slate); font-size: 17px; margin: 0; }

/* Cards / grid */
.grid { display: grid; gap: 24px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 12px 30px rgba(11,26,51,0.08); transform: translateY(-2px); }
.card .ico {
  width: 46px; height: 46px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(31,122,140,0.1); color: var(--accent); font-size: 22px; margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; color: var(--navy); font-size: 19px; }
.card p { margin: 0; color: var(--slate); font-size: 15.5px; }
.tag-primary { display:inline-block; font-size:12px; font-weight:600; color:var(--accent); background:rgba(31,122,140,.1); padding:3px 10px; border-radius:999px; margin-bottom:14px; letter-spacing:.4px; }

/* Feature list */
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: 12px; color: var(--slate); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 800;
}

/* Facts table */
.facts { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.facts th, .facts td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
.facts th { width: 38%; color: var(--muted); font-weight: 600; background: var(--bg-soft); }
.facts tr:last-child th, .facts tr:last-child td { border-bottom: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.contact-item { display: flex; gap: 14px; margin-bottom: 22px; }
.contact-item .ico { width: 42px; height: 42px; border-radius: 10px; background: rgba(31,122,140,0.1); color: var(--accent); display: grid; place-items: center; font-size: 18px; flex: none; }
.contact-item h4 { margin: 0 0 2px; color: var(--navy); font-size: 15px; }
.contact-item p { margin: 0; color: var(--slate); font-size: 15px; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--navy), var(--accent)); color: #fff; border-radius: 16px; padding: 46px; text-align: center; }
.cta-band h2 { margin: 0 0 10px; font-size: 28px; color: #fff; }
.cta-band p { margin: 0 0 24px; color: #dbe6f1; }
.cta-band .btn-primary { background: #fff; color: var(--navy); }
.cta-band .btn-primary:hover { background: #eef3f8; }

/* Legal pages */
.legal { padding: 60px 0; }
.legal h1 { color: var(--navy); font-size: 32px; margin-bottom: 6px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 34px; }
.legal h2 { color: var(--navy); font-size: 20px; margin: 34px 0 10px; }
.legal p, .legal li { color: var(--slate); font-size: 15.5px; }
.legal ul { padding-left: 20px; }

/* Footer */
.site-footer { background: var(--navy); color: #aebdd2; padding: 54px 0 30px; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.site-footer h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 0.8px; margin: 0 0 14px; }
.site-footer a { color: #aebdd2; display: block; margin-bottom: 9px; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.footer-legal { color: #7e90ab; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: #7e90ab; font-size: 13px; }

/* Responsive */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 18px 24px; border-bottom: 1px solid var(--line); gap: 16px; }
  .grid.cols-2, .grid.cols-3, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .cta-band { padding: 34px 22px; }
}