* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background: url('background.jpg') center/cover no-repeat fixed;
  color: white;
  min-height: 100vh;
}

header nav {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.25);
}

nav a {
  color: white;
  text-decoration: none;
  font-size: 14px;
  margin-left: 20px;
  letter-spacing: 1px;
}

.logo {
  font-weight: bold;
  font-size: 14px;
}

/* CENTRADO PERFECTO */
.centered {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin-top: -60px;
}

/* RECUADRO BLANCO */
.title-block {
  background: beige;
  padding: 25px 45px;
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

/* TEXTO NEGRO DENTRO DEL RECUADRO */
.title-block h1,
.title-block h1 a {
  font-size: 25px;
  letter-spacing: 20px;
  color: black !important;
  text-decoration: none;
}

/* ESTILOS PARA LAS OTRAS PÁGINAS */
.page {
  padding: 80px 40px;
  max-width: 800px;
  margin: auto;
  background: rgba(0, 0, 0, 0.45);
}

h2 {
  margin-bottom: 20px;
  font-size: 26px;
  letter-spacing: 4px;
}

p {
  margin-bottom: 16px;
  line-height: 1.6;
}

ul {
  list-style: none;
  padding-left: 0;
}

ul li {
  margin-bottom: 10px;
}

.page a {
  color: white;
  text-decoration: underline;
}