/* =========================================
   CONFIGURACIÓN GENERAL
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #0f0f0f; /* Fondo oscuro base */
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================================
   BARRA SUPERIOR (NAVBAR)
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #004481; /* Azul corporativo */
    color: white;
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo span {
    color: #ff9800; /* Naranja corporativo */
}

.nav-phone {
    background: #ff9800;
    color: white;
    padding: 8px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.nav-phone:hover {
    background: #e68a00;
    transform: translateY(-2px);
}

/* =========================================
   HERO SECTION (LUMINOSA Y MODERNA)
   ========================================= */
.hero {
    margin-top: 60px;
    /* CAMBIO DECORATIVO:
       Usamos un degradado en ángulo (120deg) que va de azul corporativo a un azul más claro/transparente.
       Esto ilumina la foto y la hace ver más "limpia" y tecnológica. */
    background: linear-gradient(120deg, rgba(0, 68, 129, 0.9) 0%, rgba(0, 100, 180, 0.6) 100%), 
                url('https://images.unsplash.com/photo-1639405069836-f82aa6dcb900?q=80&w=1170&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 160px 0;
    text-align: center;
    position: relative;
}

.hero h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 15px;
    /* Sombra suave para garantizar lectura sobre el fondo luminoso */
    text-shadow: 0px 2px 10px rgba(0,0,0,0.5); 
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    font-weight: 400;
    text-shadow: 0px 1px 4px rgba(0,0,0,0.5);
}

.badge {
    display: inline-block;
    background: #4caf50;
    color: white;
    padding: 10px 30px;
    border-radius: 50px;
    margin-top: 30px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.4);
    border: 2px solid rgba(255,255,255,0.3);
}

/* =========================================
   SECCIÓN DE SERVICIOS
   ========================================= */
.services {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #fff;
    position: relative;
    display: inline-block;
    width: 100%;
}

/* Pequeña línea decorativa debajo del título */
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: #ff9800;
    margin: 15px auto 0;
    border-radius: 2px;
}

.grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

/* Diseño de Tarjetas */
.card {
    background: #1a1a1a;
    border-radius: 15px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid #333; /* Borde sutil */
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 68, 129, 0.3); /* Brillo azul al flotar */
    border-color: #004481;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 4px solid #ff9800;
}

.card-text {
    padding: 25px 20px;
    flex-grow: 1;
}

.card h4 {
    color: #fff;
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.card p {
    color: #bbb;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* =========================================
   COBERTURA (EFECTO MAPA TÉCNICO)
   ========================================= */
.coverage {
    /* Color de fondo base azul */
    background-color: #004481;
    
    /* CAMBIO DECORATIVO: PATRÓN DE PUNTOS
       Creamos una textura de "Grid" o mapa usando gradientes radiales.
       Esto le da un aspecto muy técnico y profesional sin cargar imágenes extra. */
    background-image: radial-gradient(rgba(255, 255, 255, 0.15) 2px, transparent 2px);
    background-size: 30px 30px; /* Tamaño de la cuadrícula */
    
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    border-top: 5px solid rgba(0,0,0,0.1);
}

.coverage h3 {
    color: #ff9800;
    font-size: 2.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.coverage p {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.coverage strong {
    font-size: 1.3rem;
    display: block;
    margin-top: 15px;
    margin-bottom: 20px;
    color: #fff;
}

.coverage small {
    background: rgba(0,0,0,0.2);
    padding: 5px 15px;
    border-radius: 20px;
    color: #ddd;
}

/* =========================================
   FOOTER (ELEGANTE Y LIMPIO)
   ========================================= */
.contact {
    /* Fondo Gris Plomo en lugar de negro total */
    background: #232323; 
    color: white;
    padding: 60px 0 30px 0;
    text-align: center;
    
    /* CAMBIO DECORATIVO: Borde superior de color */
    border-top: 4px solid #ff9800; 
}

.contact h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    font-size: 1.3rem;
    margin-bottom: 40px;
}

.contact-info a {
    color: #ff9800;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: #fff;
    text-decoration: underline;
}

.legal-info {
    border-top: 1px solid #444;
    padding-top: 30px;
    color: #888;
    font-size: 0.9rem;
}

/* =========================================
   RESPONSIVE (MÓVILES)
   ========================================= */
@media (max-width: 600px) {
    .hero {
        padding: 100px 0;
    }
    .hero h2 {
        font-size: 2rem;
    }
    .nav-content {
        flex-direction: column;
        gap: 15px;
    }
    .card img {
        height: 180px;
    }
    .coverage strong {
        font-size: 1.1rem;
    }
}