/* Identidade visual azul, moderna e responsiva */
:root {
  --brand-primary: #0b6cff;
  --brand-primary-dark: #0a2a57;
  --brand-secondary: #2d7ef7;
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--brand-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; background: #fff; border-bottom: 1px solid var(--border); z-index: 1000; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.brand-logo { display:inline-flex; width: 20px; height: 20px; border-radius: 999px; background: var(--brand-primary); }
.brand-name { letter-spacing: .2px; }

.nav-toggle { display: none; font-size: 22px; background: transparent; border: none; cursor: pointer; }
.site-nav ul { display: flex; gap: 16px; list-style: none; padding: 0; margin: 0; }
.site-nav a { display: inline-block; padding: 10px 14px; border-radius: 8px; color: var(--text); }
.site-nav a.active, .site-nav a:hover { background: #f1f5f9; }

/* Hero */
.hero { background: linear-gradient(130deg, #0b6cff 0%, #2d7ef7 50%, #5da8ff 100%); color: #fff; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 30px; padding: 64px 0; }
.hero h1 { margin: 0 0 12px; font-size: 40px; line-height: 1.1; }
.hero p { color: #e6f0ff; }
.hero-ctas { display: flex; gap: 12px; margin-top: 18px; }
.btn { display: inline-block; padding: 12px 16px; border-radius: 10px; font-weight: 600; border: 1px solid transparent; }
.btn-primary { background: #fff; color: var(--brand-primary-dark); }
.btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.hero-art { display:flex; justify-content: center; }
.art-card { width: 100%; max-width: 420px; aspect-ratio: 4 / 3; border-radius: 16px; background: radial-gradient(120px 120px at 30% 30%, rgba(255,255,255,.45), transparent), rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(4px); }

/* Trust strip */
.trust { background: #f8fafc; border-bottom: 1px solid var(--border); }
.trust .trust-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 18px 0; margin: 0; list-style: none; }
.trust li { font-size: 14px; color: var(--muted); }
.trust strong { color: var(--text); }

/* Sections */
section { padding: 48px 0; }
h2 { margin: 0 0 16px; font-size: 28px; }
h3 { margin: 0 0 8px; font-size: 18px; }
p { margin: 0 0 12px; }

/* Cards & Grids */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { padding: 18px; border: 1px solid var(--border); border-radius: 14px; background: #fff; box-shadow: 0 1px 2px rgba(2,8,20,.04); }

.about-details { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Steps */
.steps-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { border: 1px solid var(--border); border-radius: 14px; padding: 16px; background: #fff; }
.step-number { display:inline-flex; align-items: center; justify-content:center; width: 32px; height: 32px; border-radius: 999px; background: var(--brand-primary); color: #fff; font-weight: 700; margin-bottom: 8px; }

/* CTA */
.cta { background: #0a2a57; color: #fff; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 16px; }

/* Footer */
.site-footer { background: #0a2a57; color: #cfe3ff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; padding: 24px 0; }
.site-footer a { color: #cfe3ff; }
.footer-legals { border-top: 1px solid rgba(255,255,255,.2); padding: 12px 0 24px; text-align: center; }

/* Util */
.muted { color: var(--muted); }
.spacer { height: 12px; }
.pill { display:inline-block; padding: 4px 8px; border-radius:999px; background:#eef2ff; color:#1d4ed8; font-weight:600; font-size:12px; }

/* Responsive */
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .trust .trust-list { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); display: none; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: 8px; }
  .grid { grid-template-columns: 1fr; }
  .about-details { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Acessibilidade */
:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }
