/* Variables de Estilo Globales */
:root {
  --primary-color: #0d3b66;
  --secondary-color: #25d366;
  --accent-color: #00a8ff;
  --text-dark: #222222;
  --text-light: #555555;
  --bg-light: #f4f7f6;
  --bg-card: #ffffff;
}

/* Reset General */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  color: var(--text-dark);
  background-color: #ffffff;
  line-height: 1.6;
}

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

section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 40px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--secondary-color);
  margin: 10px auto 0;
  border-radius: 2px;
}

/* 1. Barra de Navegación */
header {
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
}

.logo i {
  font-size: 28px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--primary-color);
}

/* 2. Sección Principal (Hero) */
.hero {
  padding: 60px 0 120px 0;
  background: linear-gradient(135px, #ffffff 60%, #eef3f7 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: 46px;
  color: var(--primary-color);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-text p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 30px;
}

.btn-group {
  display: flex;
  gap: 15px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--secondary-color);
  color: white;
  border: none;
}

.btn-primary:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37,211,102,0.3);
}

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

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.hero-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

/* 3. Bloque de Accesos Rápidos (Tabs Flotantes) */
.features-tabs {
  background: #ffffff;
  box-shadow: 0 10px 40px rgba(0,0,0,0.08);
  border-radius: 10px;
  padding: 35px;
  margin-top: -70px;
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.tab-item {
  padding: 20px 10px;
  border-radius: 8px;
  transition: all 0.3s;
}

.tab-item:hover {
  background-color: var(--bg-light);
  transform: translateY(-5px);
}

.tab-item i {
  font-size: 38px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.tab-item h3 {
  font-size: 16px;
  color: var(--text-dark);
}

/* 4. Sección Quiénes Somos */
.about {
  background-color: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text h2 {
  font-size: 34px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 16px;
}

/* 5. Sección Detallada de Servicios */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.service-card {
  background-color: var(--bg-card);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #eee;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.service-img-container {
  height: 200px;
  background-color: #ddd;
  overflow: hidden;
}

.service-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-content {
  padding: 25px;
}

.service-content h3 {
  color: var(--primary-color);
  font-size: 20px;
  margin-bottom: 12px;
}

.service-content p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 15px;
}

/* 6. Sección de Testimonios */
.testimonials {
  background-color: var(--bg-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background-color: var(--bg-card);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  text-align: center;
}

.testimonial-card img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
}

.testimonial-card p {
  font-style: italic;
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 15px;
}

.stars {
  color: #ffb703;
  font-size: 14px;
}

.testimonial-card h4 {
  margin-top: 10px;
  color: var(--primary-color);
}

/* 7. Formulario de Contacto */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info i {
  color: var(--primary-color);
  font-size: 20px;
  margin-right: 10px;
  width: 25px;
}

.contact-info p {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  color: var(--text-light);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
  outline: none;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary-color);
}

/* 8. Pie de Página (Footer) */
footer {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 40px 0;
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-socials a {
  color: white;
  font-size: 20px;
  margin-left: 15px;
  transition: color 0.3s;
}

.footer-socials a:hover {
  color: var(--secondary-color);
}

/* 9. Botón Flotante de WhatsApp */
.whatsapp-container {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.whatsapp-popup {
  background-color: #ffffff;
  color: #333333;
  padding: 12px 35px 12px 15px;
  border-radius: 8px;
  box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.15);
  margin-bottom: 15px;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  max-width: 240px;
  animation: fade-in-popup 0.5s ease-out;
  border-left: 4px solid var(--secondary-color);
}

.whatsapp-popup::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: 20px;
  border-width: 8px 8px 0;
  border-style: solid;
  border-color: #ffffff transparent;
  display: block;
}

.popup-close-btn {
  position: absolute;
  top: 5px;
  right: 8px;
  background: none;
  border: none;
  color: #999;
  font-size: 16px;
  cursor: pointer;
}

.btn-whatsapp-floating {
  width: 60px;
  height: 60px;
  background-color: var(--secondary-color);
  color: #fff;
  border-radius: 50px;
  font-size: 32px;
  box-shadow: 2px 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.3s, background-color 0.3s;
  animation: pulse-whatsapp 2s infinite;
}

.btn-whatsapp-floating:hover {
  background-color: #20ba5a;
  transform: scale(1.1);
}

/* 10. Adaptabilidad Móvil (Responsive) */
@media (max-width: 992px) {
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-image, .about-image {
    order: -1;
  }
  .btn-group {
    justify-content: center;
  }
  .features-tabs {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 20px;
  }
  .contact-info p {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .features-tabs {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .hero-text h1 {
    font-size: 32px;
  }
  .footer-grid {
    flex-direction: column;
    text-align: center;
  }
}

/* Animaciones */
@keyframes fade-in-popup {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

<!-- Estilos Responsivos (Puedes mover esto a tu archivo .css) -->
<style>
  /* Contenedor base de la sección */
  .about {
    padding: 60px 20px;
    background-color: #ffffff;
    font-family: sans-serif;
  }

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

  /* Cuadrícula flexible: por defecto se apila en móviles */
  .about-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
  }

  /* Configuración de la imagen */
  .about-image {
    width: 100%;
    max-width: 550px;
  }

  .about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }

  /* Configuración del texto */
  .about-text {
    width: 100%;
    text-align: center;
  }

  .about-text h2 {
    font-size: 28px;
    color: #0b2545;
    margin-bottom: 20px;
    font-weight: 700;
  }

  .about-text p {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 15px;
  }

  /* Cambios de diseño para pantallas grandes (Computadoras y Laptops) */
  @media (min-width: 768px) {
    .about-grid {
      flex-direction: row; /* Coloca imagen y texto lado a lado */
      gap: 50px;
    }

    .about-image, .about-text {
      flex: 1; /* Distribuye el espacio 50% y 50% */
    }

    .about-text {
      text-align: left; /* Alinea el texto a la izquierda en pantallas grandes */
    }

    .about-text h2 {
      font-size: 36px;
    }
  }
</style>