:root {
  --azul-900: #0D47A1;
  --azul-700: #1565C0;
  --azul-300: #64B5F6;
  --cinza-200: #E0E0E0;
  --cinza-900: #263238;
  --branco: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, var(--azul-900), var(--azul-700));
  color: var(--cinza-900);
  min-height: 100vh;
}

.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.error-card {
  background: var(--branco);
  border-radius: 20px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.18);
  max-width: 620px;
  width: 100%;
  padding: 40px 32px;
  text-align: center;
}

.logo {
  width: 140px;
  margin: 0 auto 20px;
}

.eyebrow {
  display: inline-block;
  background: var(--cinza-200);
  color: var(--azul-700);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin: 0 0 12px;
  color: var(--azul-900);
}

.message {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--cinza-900);
  margin-bottom: 24px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--azul-700);
  color: var(--branco);
  box-shadow: 0 10px 22px rgba(21, 101, 192, 0.22);
}

.btn-secondary {
  background: var(--cinza-200);
  color: var(--azul-900);
}

@media (max-width: 600px) {
  .error-card {
    padding: 32px 20px;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}