:root {
  --abnt-primary: #1b4d89;
}

body {
  background-color: #f5f7fa;
}

.hero {
  background: linear-gradient(135deg, #1b4d89 0%, #2f6fb3 100%);
}

.dropzone {
  border: 2px dashed #c3ccd8;
  background-color: #fbfcfe;
  transition: border-color .15s ease, background-color .15s ease;
}

.dropzone-ativa {
  border-color: var(--abnt-primary);
  background-color: #eef4fb;
}

.card {
  border-radius: .75rem;
}

.navbar-brand {
  letter-spacing: .2px;
}