/* Reset básico */
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Fundo com imagem e overlay escura */
.overlay {
  position: relative;
  width: 100%;
  height: 100%;
  background: url('img/background.jpg') no-repeat center center fixed;
  background-size: cover;
}

.overlay::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1;
}

/* Conteúdo centralizado */
.content {
  position: relative;
  z-index: 2;
  height: 100%;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Logo */
.logo {
  max-width: 260px;
  margin-bottom: 30px;
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

/* Título principal */
.content h1 {
  color: #8B0000;
  font-size: 24px;
  margin-bottom: 30px;
}

/* Container dos botões */
.buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  width: 220px;
}

/* Botões */
.buttons a {
  background-color: #8B0000;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 10px;
  font-weight: bold;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
  user-select: none;
}

/* Efeito hover dos botões */
.buttons a:hover {
  background-color: #7a0000;
  transform: scale(1.05);
}