body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f9;
    color: #333;
}

/* HEADER */
header {
    background: #0f172a;
    color: #fff;
    padding: 25px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 28px;
}

header p {
    margin-top: 5px;
    font-size: 14px;
    color: #cbd5e1;
}

/* NAV */
nav {
    background: #1e293b;
    padding: 12px;
    text-align: center;
}

nav a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #38bdf8;
}

/* CONTENIDO */
.container {
    max-width: 900px;
    margin: 30px auto;
    background: #fff;
    padding: 25px;
    border-radius: 10px;
}

/* TEXTOS */
h1 {
    color: #0f172a;
}

h2 {
    margin-top: 25px;
    color: #1e293b;
}

p {
    line-height: 1.7;
}

/* LISTAS */
ul {
    padding-left: 20px;
}

li {
    margin-bottom: 10px;
}

/* FOOTER */
footer {
    margin-top: 40px;
    background: #0f172a;
    color: #fff;
    text-align: center;
    padding: 20px;
}