/* Fondo con imagen natural y superposición */
body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: url('../img/fondo-naturaleza.jpg') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Contenedor centrado */
.container {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

/* Logo */
.logo {
    width: 100px;
    margin-bottom: 20px;
}

/* Estilo general de inputs y botón */
input, button {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border: none;
    border-radius: 10px;
    box-sizing: border-box;
}

input {
    background-color: #e8f5e9;
    border: 1px solid #a5d6a7;
}

button {
    background-color: #4caf50;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background-color: #388e3c;
}

a {
    color: #2e7d32;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsive total para móviles */
@media (max-width: 480px) {
    .container {
        border-radius: 0;
        height: 100vh;
        justify-content: center;
    }
}