/* Variables de color */
:root {
    --color-primary: #007bff; /* Azul Francia (puedes ajustar a tu tono exacto) */
    --color-secondary: #20c997; /* Turquesa (para contrastes o elementos destacados) */
    --color-text: #333;
    --color-light-text: #555;
    --color-background: #f8f9fa;
    --color-light-gray: #e9ecef;
    --color-white: #ffffff;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Tipografía */
h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--color-text);
    margin-bottom: 15px;
}

h1 {
    font-size: 3em;
    text-align: center;
    color: var(--color-white); /* Para el hero section */
}

h2 {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-secondary);
    margin: 10px auto 0;
    border-radius: 2px;
}

h3 {
    font-size: 1.8em;
}

p {
    margin-bottom: 20px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Botones */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 700;
    text-transform: uppercase;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: #0056b3; /* Tono más oscuro de azul */
    transform: translateY(-2px);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    text-decoration: none;
}


/* Header */
header {
    background-color: var(--color-white);
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Permite que los elementos se envuelvan en pantallas pequeñas */
}

header .logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-primary);
    flex-grow: 1; /* Permite que el logo ocupe espacio */
}

header .slogan {
    font-size: 1.1em;
    color: var(--color-light-text);
    margin: 0 20px; /* Espacio entre slogan y botones */
    flex-grow: 2; /* Permite que el slogan ocupe más espacio */
    text-align: center;
}

header .btn-primary {
    margin-left: auto; /* Empuja el botón a la derecha */
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 123, 255, 0.7), rgba(0, 123, 255, 0.7)), url('fondo.png') no-repeat center center/cover;
    /* Reemplaza 'https://via.placeholder.com/...' con una imagen real de tu negocio */
    color: var(--color-white);
    text-align: center;
    padding: 100px 0;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section p {
    font-size: 1.3em;
    margin-bottom: 40px;
}

/* Secciones generales */
section {
    padding: 80px 0;
    text-align: center;
}

#about {
    background-color: var(--color-white);
}

#planes {
    background-color: var(--color-light-gray);
}

#contact {
    background-color: var(--color-white);
}


/* About Section */
.about-section p {
    max-width: 800px;
    margin: 0 auto 20px auto;
    font-size: 1.1em;
    line-height: 1.8;
    color: var(--color-light-text);
}

/* Planes Section */
.planes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.plan-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Empuja el botón al final */
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.plan-card.featured {
    border: 3px solid var(--color-secondary);
    background-color: #e6f7f3; /* Un tono más claro del turquesa para destacar */
}

.plan-card h3 {
    color: var(--color-primary);
    font-size: 2em;
    margin-bottom: 10px;
}

.plan-card .velocidad {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
}

.plan-card ul {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1; /* Permite que la lista ocupe el espacio disponible */
}

.plan-card ul li {
    margin-bottom: 10px;
    color: var(--color-light-text);
    display: flex;
    align-items: center;
}

.plan-card ul li .icon {
    color: var(--color-secondary);
    margin-right: 10px;
    font-weight: 700;
    font-size: 1.2em;
}

.plan-card .btn-secondary {
    width: 100%;
    margin-top: auto; /* Empuja el botón al final de la tarjeta */
}


/* Contact Section */
.contact-section {
    padding-bottom: 60px; /* Reduce un poco el padding inferior */
}

.contact-form {
    max-width: 600px;
    margin: 30px auto;
    padding: 30px;
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-light-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-light-gray);
    border-radius: 5px;
    font-size: 1em;
    font-family: 'Open Sans', sans-serif;
    transition: border-color 0.3s ease;
}
.form-group select { /* ¡Añadido el select aquí! */
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-light-gray);
    border-radius: 5px;
    font-size: 1em;
    font-family: 'Open Sans', sans-serif;
    color: var(--color-text); /* Usando tu variable de color de texto */
    transition: border-color 0.3s ease;
    box-sizing: border-box; /* Asegura que padding y border se incluyan en el ancho */
}

/* Estilos específicos para el select, eliminando su apariencia nativa */
.form-group select {
    appearance: none;
    -webkit-appearance: none; /* Para Chrome, Safari */
    -moz-appearance: none;    /* Para Firefox */
    background-color: var(--color-white); /* Fondo del select */
    /* ICONO DE FLECHA PERSONALIZADA (usando tu color-light-text para la flecha) */
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23555555" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 40px; /* Asegura espacio para la flecha */
    cursor: pointer;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}
.form-group select:focus { /* ¡Añadido el select aquí! */
    outline: none;
    border-color: var(--color-primary); /* Usando tu color principal */
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); /* Sombra de enfoque usando el color primario */
}

.contact-form button[type="submit"] {
    width: 100%;
    padding: 15px;
    font-size: 1.2em;
    cursor: pointer;
    border: none;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.contact-form button[type="submit"]:hover {
    background-color: #0056b3;
}

.privacy-note {
    font-size: 0.9em;
    color: var(--color-light-text);
    margin-top: 20px;
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: 40px 0;
    text-align: center;
    font-size: 0.9em;
}

footer p {
    margin-bottom: 10px;
}

footer .social-links a {
    color: var(--color-white);
    margin: 0 10px;
    text-decoration: none;
    font-weight: 600;
}

footer .social-links a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5em;
    }

    h2 {
        font-size: 2em;
    }

    header .container {
        flex-direction: column;
        text-align: center;
    }

    header .logo, header .slogan, header .btn-primary {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }

    .hero-section {
        padding: 80px 0;
    }

    .planes-grid {
        grid-template-columns: 1fr; /* Una columna en pantallas pequeñas */
    }

    .plan-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.8em;
    }

    .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    section {
        padding: 50px 0;
    }
}