/* --- ESTILOS GENERALES --- */
:root {
    --primary-color: #1d2b38; /* Azul oscuro más suave */
    --secondary-color: #3498db; /* Azul estándar */
    --text-color: #ecf0f1; /* Blanco suave */
    --bg-color: #12181f; /* Fondo muy oscuro */
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--primary-color) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 20px;
}

/* --- CONTENEDOR PRINCIPAL --- */
.container {
    max-width: 650px;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 40px 50px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.main-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 15px;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px; /* Aumenta el margen inferior */
    opacity: 0.9;
}

/* --- FORMULARIO DE SUSCRIPCIÓN --- */
.subscription {
    margin-bottom: 40px;
}

.subscription h2 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 10px;
}

.subscription p {
    margin-bottom: 20px;
    opacity: 0.9;
}

.subscription-form {
    display: flex;
    justify-content: center;
    max-width: 450px;
    margin: 0 auto;
}

.subscription-form input {
    flex-grow: 1;
    padding: 15px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px 0 0 8px;
    border-right: none;
    background: #f0f4f8;
    color: #333;
    transition: box-shadow 0.3s;
}

.subscription-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--secondary-color);
}

.subscription-form button {
    padding: 15px 25px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background-color: var(--secondary-color);
    border: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.subscription-form button:hover {
    background-color: #2980b9;
}

/* --- REDES SOCIALES --- */
.social-links p {
    margin-bottom: 15px;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 0 12px;
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
    transform: translateY(-3px);
}

/* --- RESPONSIVIDAD (MÓVILES) --- */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
    }

    .main-title {
        font-size: 2rem;
    }
    
    .subscription-form {
        flex-direction: column;
        gap: 10px;
    }

    .subscription-form input,
    .subscription-form button {
        border-radius: 8px;
        border: 1px solid #ccc;
    }
}