/* Estilos generales */
html, body {
    min-height: 100%;
    margin: 0;
    padding: 0;
}

html {
    background: linear-gradient(180deg, #ffffff 0%, #f6f8fb 60%, #f6f8fb 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    background: transparent;
    color: #111;
    text-align: center;
    display: flex;
    flex-direction: column;
}

/* Encabezado */
header {
    padding: 40px 20px 20px;
}

header h1 {
    font-size: 2.8rem;
    margin-bottom: 8px;
    font-weight: 700;
}

header p {
    font-size: 1.08rem;
    color: #666;
    margin-top: 0;
}

/* Navegación */
nav ul {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
}

nav ul li {
    display: inline-block;
    margin: 0 12px;
}

nav ul li a {
    text-decoration: none;
    color: #111;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #00aaaa;
}

/* Main */
main {
    flex: 1;
    padding: 0 20px 40px;
}

/* Secciones */
section {
    max-width: 900px;
    margin: 32px auto;
    padding: 32px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
    text-align: left;
}

section h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    text-align: center;
}

section p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
    color: #333;
}

/* Footer */
footer {
    padding: 20px;
    font-size: 0.9rem;
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }

    section {
        padding: 24px;
    }

    nav ul li {
        display: block;
        margin: 10px 0;
    }
}