html {
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Indicador "Role pra baixo" — esconde quando o hero sai da viewport */
#scroll-cue.is-hidden {
  opacity: 0;
  pointer-events: none;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
}

.container-narrow {
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
@media (min-width: 640px) {
  .container-narrow { padding-left: 2rem; padding-right: 2rem; }
}

.container-tight {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
@media (min-width: 640px) {
  .container-tight { padding-left: 2rem; padding-right: 2rem; }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.5rem;
  background-color: #4F46E5;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: background-color 150ms;
  text-decoration: none;
}
.btn-primary:hover { background-color: #4338CA; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.5rem;
  background-color: #fff;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #0B1220;
  box-shadow: inset 0 0 0 1px #E5E7EB;
  transition: background-color 150ms;
  text-decoration: none;
}
.btn-secondary:hover { background-color: #F9FAFB; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #4F46E5;
}

.heading {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #0B1220;
}
@media (min-width: 640px) {
  .heading { font-size: 3rem; }
}

/* Header — sempre escuro; alterna transparente sobre o hero */
.site-nav { background: rgba(11, 18, 32, 0.85); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.site-nav.is-transparent { background: transparent; backdrop-filter: none; border-bottom-color: transparent; }
.site-nav .nav-logo { color: #fff; text-decoration: none; }
.site-nav .nav-mark { background: #fff; color: #0B1220; }
.site-nav .nav-link { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.site-nav .nav-link:hover { color: #fff; }