:root {
  --brand-orange: #FF7A00;
  --brand-blue: #1167B1;
  --brand-white: #FFFFFF;
}

html,
body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  background-color: #fff;
  color: #1a1a1a;
}

/* O conteúdo ocupa o espaço restante entre header e footer */
main {
  flex: 1;
}

/* O footer sempre fica em baixo */
footer {
  margin-top: auto;
}

.navbar-brand {
  font-weight: 800;
  letter-spacing: 0.3px;
}

.btn-brand {
  background: var(--brand-orange);
  border-color: var(--brand-orange);
}

.btn-brand:hover {
  filter: brightness(0.95);
}

.hero {
  background: linear-gradient(135deg, var(--brand-orange) 0%, var(--brand-blue) 100%);
  color: #fff;
  padding: 4rem 0;
  border-bottom-left-radius: 1.5rem;
  border-bottom-right-radius: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
}

.card {
  border: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .06);
  border-radius: 1rem;
}

.footer {
  background: #0b2545;
  color: #fff;
  padding: 2rem 0;
  margin-top: 3rem;
}

.badge-category {
  background: var(--brand-blue);
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}