/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Header transparente */
.header {
  position: absolute;     /* Se superpone a la imagen */
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  z-index: 1000;
}

/* Logo */
.logo {
  font-weight: 600;
  letter-spacing: 2px;
  color: #fff;
}

/* Menú */
.menu a {
  color: #fff;
  text-decoration: none;
  margin-left: 25px;
  font-size: 14px;
  letter-spacing: 1px;
}

.menu a:hover {
  opacity: 0.7;
}