:root {
  --bg: #0b0e13;
  --bg-alt: #10151d;
  --panel: #161d28;
  --border: #232c3a;
  --text: #e8edf4;
  --muted: #9aa7b6;
  --accent: #007bc8;
  --accent-2: #4fb5f0;
  --accent-glow: rgba(79, 181, 240, 0.35);
  --ok: #2ecc71;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 0.5em; }

/* ---- nav ---- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(11,14,19,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); font-size: 14px; color: #fff; }
.brand-name { color: #fff; }
.nav-links { display: flex; gap: 20px; margin-left: auto; font-size: 14px; color: var(--muted); }
.nav-links a:hover { color: #fff; }
.nav-cta { display: flex; gap: 10px; }

/* ---- buttons ---- */
.btn { display: inline-block; padding: 10px 18px; border-radius: 8px; font-weight: 600; font-size: 14px; cursor: pointer; border: 1px solid transparent; transition: all .15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #0091e8; }
.btn-ghost { color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { color: #fff; border-color: var(--accent-2); }
.btn-outline { color: var(--accent-2); border-color: var(--accent); }
.btn-outline:hover { background: rgba(0,123,200,0.12); }
.btn-lg { padding: 14px 26px; font-size: 16px; }

/* ---- hero ---- */
.hero { padding: 90px 24px 70px; text-align: center; background: radial-gradient(1000px 500px at 50% -10%, var(--accent-glow), transparent 60%); }
.hero-inner { max-width: 820px; margin: 0 auto; }
.badge { display: inline-block; padding: 6px 14px; border-radius: 20px; background: rgba(0,123,200,0.15); border: 1px solid rgba(79,181,240,0.35); color: var(--accent-2); font-size: 13px; margin-bottom: 20px; }
.hero h1 { font-size: 44px; font-weight: 800; }
.hero h1 em { color: var(--accent-2); font-style: normal; }
.lead { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: 13px; color: var(--muted); }

/* ---- sections ---- */
.section { padding: 70px 24px; }
.section-alt { background: var(--bg-alt); }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section h2 { font-size: 32px; text-align: center; }
.section-sub { text-align: center; color: var(--muted); max-width: 720px; margin: 0 auto 40px; font-size: 16px; }

/* ---- cards ---- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 26px; }
.card-icon { font-size: 30px; margin-bottom: 12px; }
.card h3 { font-size: 18px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.card-link { display: block; transition: transform .15s, border-color .15s; }
.card-link:hover { transform: translateY(-3px); border-color: var(--accent-2); }
.card-tag { display: inline-block; font-size: 12px; color: var(--accent-2); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.card-more { color: var(--accent-2); font-size: 14px; font-weight: 600; }

/* ---- benefits ---- */
.benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 900px; margin: 0 auto; }
.benefit { display: flex; gap: 12px; align-items: flex-start; }
.tick { color: var(--ok); font-weight: 700; font-size: 18px; line-height: 1.3; }
.benefit strong { color: #fff; }
.benefit div { color: var(--muted); font-size: 15px; }

/* ---- stats ---- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
.stat { text-align: center; padding: 26px; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; }
.stat-num { font-size: 40px; font-weight: 800; color: var(--accent-2); }
.stat-label { color: var(--muted); font-size: 14px; }

/* ---- steps ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 26px; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 12px; }
.step h3 { font-size: 17px; }
.step p { color: var(--muted); font-size: 15px; margin: 0; }

/* ---- transparência (caixa de fórmulas/dados) ---- */
.transparencia-box { max-width: 820px; margin: 0 auto; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 30px 34px; font-size: 15px; line-height: 1.7; }
.transparencia-box h3 { font-size: 18px; color: var(--accent-2); margin: 18px 0 8px; }
.transparencia-box h3:first-child { margin-top: 0; }
.transparencia-box p { margin: 8px 0; color: var(--text); }
.transparencia-box ul { margin: 8px 0 8px 22px; padding: 0; }
.transparencia-box li { margin: 6px 0; color: var(--muted); }
.transparencia-box b { color: var(--text); }
.transparencia-box sub { color: var(--text); }

/* ---- cta ---- */
.cta { padding: 80px 24px; text-align: center; background: linear-gradient(135deg, rgba(0,123,200,0.2), transparent); }
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta h2 { font-size: 30px; }
.cta p { color: var(--muted); margin-bottom: 24px; }

/* ---- footer ---- */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 40px 24px 0; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-brand p { color: var(--muted); font-size: 14px; margin: 4px 0 0; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { max-width: 1100px; margin: 30px auto 0; border-top: 1px solid var(--border); padding: 16px 0; text-align: center; }
.footer-bottom p { color: var(--muted); font-size: 12px; margin: 0; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .cards-3, .stats, .steps { grid-template-columns: 1fr; }
  .benefits { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
}