:root {
            --primary-blue: #0d4fac;
            --dark-blue: #072a61;
            --light-blue: #f4f7fc;
            --text-dark: #333333;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            background-color: #ffffff;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(rgba(255, 255, 255, 0.75), rgba(13, 79, 172, 0.85)), url('../images/hero.jpg') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 40px 0;
            position: relative;
        }

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6); /* Sombra agregada aquí */
}

        /* Formulario flotante */
        .contact-form-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            color: var(--text-dark);
            padding: 25px;
        }

        .contact-form-card h5 {
            color: #000;
            font-size: 1.1rem;
            font-weight: 600;
        }

        .btn-enviar {
            background-color: var(--primary-blue);
            color: white;
            font-weight: 600;
            padding: 10px;
            border-radius: 8px;
            transition: background 0.3s;
        }

        .btn-enviar:hover {
            background-color: var(--dark-blue);
            color: white;
        }

        /* Sección de Características */
        .features-section {
            padding: 60px 0;
        }

        .main-subtitle {
            font-size: 1.8rem;
            color: #000;
        }

        /* Tarjeta de Beneficios */
        .benefits-card {
            border: 2px solid #eef2f7;
            border-radius: 20px;
            padding: 30px;
            background-color: #ffffff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
        }

        .benefits-title {
            color: var(--primary-blue);
            font-weight: 700;
            margin-bottom: 25px;
        }

        .benefit-item {
            display: flex;
            align-items: center;
            background-color: var(--light-blue);
            padding: 12px 15px;
            margin-bottom: 12px;
            border-radius: 5px;
            font-weight: 600;
        }

        .benefit-item i {
            color: var(--primary-blue);
            font-size: 30px;
            margin-right: 15px;
        }

        /* Grid de Imágenes */
        .img-rounded {
            border-radius: 15px;
            width: 100%;
        }

        .img-large { height: 100%; }
        .img-small { height: 100%; }

        /* Footer */
        .footer-info {
            background-color: var(--primary-blue);
            color: white;
            font-size: 20px;
            padding: 30px 0;
            border-bottom: 2px solid rgba(255,255,255,0.2);
        }

                .footer-info a {
            color: white;
            text-decoration: none;
        }

                .footer-info a:hover {
            color: white;
            text-decoration: underline;
        }

        .footer-links {
            background-color: var(--dark-blue);
            color: white;
            padding: 20px 0 120px;
        }

        .footer-links a {
            color: white;
            text-decoration: none;
            font-size: 30px;
            font-weight: bold;
        }
        .footer-links a:hover {
            color: white;
text-decoration: underline;
        }
@media (max-width:767px){
    .hero-title {
text-align: center;
    font-size: 2rem;
}
        .footer-links a {
            font-size: 25px;
        }
}

/* ==========================================================================
   ESTILOS PARA PANTALLAS GRANDES (ESCRITORIO)
   ========================================================================== */
.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;

  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 19px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 20px;
  
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-icon {
  width: 28px;
  height: 28px;
  fill: #ffffff;
}

.whatsapp-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
   color: #ffffff;
}
.whatsapp-btn:focus {
   color: #ffffff;
}

/* ==========================================================================
   OPTIMIZACIÓN PARA MÓVILES (Pantallas de 768px o menos)
   ========================================================================== */
@media (max-width: 768px) {
  .whatsapp-btn {
    bottom: 12px;       /* Más pegado a la esquina inferior */
    right: 12px;        /* Más pegado a la esquina derecha */
    padding: 5px 10px; /* Margen interno más pequeño */
    font-size: 15px;    /* Texto un poco más chico */
    gap: 8px;           /* Menos separación entre icono y texto */
  }

  .whatsapp-icon {
    width: 22px;        /* Icono más pequeño */
    height: 22px;
  }
}