/* ============================================================
IDENTIDAD VISUAL (MVP): GRUPO LGL (v14 - Font Awesome)
Fuente: El Arquitecto Web
============================================================
*/

/* ----------------------------------------
1. VARIABLES (Paleta de Colores Tailwind)
----------------------------------------
*/
:root {
  /* Primario (CTAs, Links, Confianza) */
  --color-primario: #0A2342; /* Tailwind "primary" */
  
  /* Acento (Detalles, Iconos, Éxito) */
  --color-acento: #2CA58D; /* Tailwind "secondary" */
  
  /* Neutros (Texto y Fondos) */
  --color-texto: #333333; /* Tailwind "text-light" */
  --color-fondo-seccion: #F4F7F9; /* Tailwind "background-light" */
  --color-fondo-base: #FFFFFF; /* Tailwind "card-light" */
  
  /* Borde claro (Replicando Tailwind) */
  --color-borde-claro: #EAECEF; /* Tailwind "border-light" */

  /* Tipografía (La mantenemos) */
  --font-titulos: 'Poppins', sans-serif;
  --font-cuerpo: 'Roboto', sans-serif;
}

/* ----------------------------------------
2. BASE Y RESET (Móvil Primero)
----------------------------------------
*/
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-cuerpo);
  font-weight: 400;
  color: var(--color-texto);
  /* El fondo principal es el gris claro */
  background-color: var(--color-fondo-seccion);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-titulos);
  font-weight: 700;
  color: var(--color-primario);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }

p {
  margin-bottom: 1.5rem;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* ----------------------------------------
3. CLASES DE UTILIDAD Y LAYOUT
----------------------------------------
*/
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section-card {
  background-color: var(--color-fondo-base);
  border: 1px solid var(--color-borde-claro);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  margin: 2rem 1rem 0 1rem;
  padding: 2rem;
}

@media (min-width: 768px) {
  .section-card {
    margin: 3rem 1.5rem 0 1.5rem;
    padding: 3rem;
  }
}


.section__title {
  text-align: center;
  margin-bottom: 2rem;
}

.section__description {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.section__cta {
  text-align: center;
  margin-top: 2rem;
}

/* ----------------------------------------
4. COMPONENTES: Botones (CTAs)
----------------------------------------
*/
.btn {
  display: inline-block;
  font-family: var(--font-titulos);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 1rem;
  border: 2px solid transparent;
}

/* Primario ahora es VERDE */
.btn--primary {
  background-color: var(--color-acento);
  color: var(--color-fondo-base);
  border-color: var(--color-acento);
}
.btn--primary:hover {
  background-color: #1E7B68; /* Verde oscuro */
  border-color: #1E7B68;
  color: var(--color-fondo-base);
}

/* Secundario ahora es AZUL */
.btn--secondary {
  background-color: var(--color-primario);
  color: var(--color-fondo-base);
  border-color: var(--color-primario);
}
.btn--secondary:hover {
  background-color: #051019; /* Azul oscuro */
  border-color: #051019;
  color: var(--color-fondo-base);
}

/* Outline principal (para Contacto y Hero secundario) */
.btn--primary-outline {
  border-color: var(--color-acento);
  color: var(--color-acento);
  background-color: transparent;
}
.btn--primary-outline:hover {
  background-color: var(--color-acento);
  color: var(--color-fondo-base);
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* ----------------------------------------
5. NAVEGACIÓN (Header Difuso v10)
----------------------------------------
*/
.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: transparent;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.header-scrolled {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  border-bottom: 1px solid var(--color-borde-claro);
}

.nav {
  height: 4.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-family: var(--font-titulos);
  font-weight: 700;
  color: var(--color-primario);
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.nav__menu {
  display: none; /* Oculto en móvil */
}

.nav__list {
  display: flex;
  flex-direction: column; 
  gap: 1.5rem;
  align-items: center;
}

.nav__item {
  margin-bottom: 0;
}

.nav__link {
  font-family: var(--font-titulos);
  font-weight: 600;
  color: var(--color-texto);
  font-size: 1rem;
  transition: color 0.3s ease;
}
.nav__link:hover {
  color: var(--color-primario);
}

/* Header Transparente (Estado por Defecto) */
.header:not(.header-scrolled) .nav__logo,
.header:not(.header-scrolled) .nav__link {
    color: var(--color-fondo-base); /* Texto blanco */
}
.header:not(.header-scrolled) .nav__link.btn--primary-outline {
    color: var(--color-fondo-base);
    border-color: var(--color-fondo-base);
    background-color: transparent;
}
.header:not(.header-scrolled) .nav__link.btn--primary-outline:hover {
    background-color: var(--color-fondo-base);
    color: var(--color-acento);
}

/* Header con Scroll (Estado Scrolled) */
.header-scrolled .nav__logo,
.header-scrolled .nav__link {
    color: var(--color-primario);
}
.header-scrolled .nav__link.btn--primary-outline {
    color: var(--color-acento);
    border-color: var(--color-acento);
    background-color: transparent;
}
.header-scrolled .nav__link.btn--primary-outline:hover {
    background-color: var(--color-acento);
    color: var(--color-fondo-base);
}


/* ----------------------------------------
6. SECCIONES (Homepage)
----------------------------------------
*/

.hero { 
  padding: 8rem 0 4rem 0; 
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 90vh;
  color: var(--color-fondo-base);
  background-color: var(--color-primario);
  background-image: 
    linear-gradient(rgba(10, 35, 66, 0.85), rgba(10, 35, 66, 0.85)),
    url('img/bg-fabric-dark.jpg');
  background-size: cover;
  background-position: center center;
}

.hero__title {
  color: var(--color-fondo-base);
  font-size: 2.2rem;
}

.hero__subtitle {
  color: var(--color-fondo-seccion);
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
  font-weight: 400;
}
.hero__subtitle strong {
  color: var(--color-fondo-base);
  font-weight: 700;
}

.hero__bifurcacion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

/* Botón Secundario en el Hero (Escalar mi Producción) */
.hero__bifurcacion .btn--secondary {
    background-color: transparent;
    border-color: var(--color-fondo-base);
    color: var(--color-fondo-base);
}
.hero__bifurcacion .btn--secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-fondo-base);
    color: var(--color-fondo-base);
}


#problema-solucion, #nicho-validador {
  background-color: transparent;
  padding: 0; 
}

.columns__container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.columna {
  padding: 0;
  background: transparent;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

.columna--solucion {
  border-top: none; 
}
.columna--solucion .columna__title {
  color: var(--color-acento);
}

.columna__title {
  margin-bottom: 1rem;
}

.galeria__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.galeria__img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 5px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

#cta-final {
  background-color: var(--color-primario);
}

.cta-final__title {
  color: var(--color-fondo-base);
}

#cta-final .section__description {
  color: var(--color-fondo-seccion);
}

#cta-final .btn--primary {
  background-color: var(--color-acento);
  color: var(--color-fondo-base);
  border-color: var(--color-acento);
}
#cta-final .btn--primary:hover {
  background-color: #1E7B68;
  border-color: #1E7B68;
}

/* ----------------------------------------
7. FOOTER
----------------------------------------
*/
.footer {
  background-color: var(--color-fondo-base);
  color: var(--color-texto);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid var(--color-borde-claro);
  margin-top: 3rem; 
}

.footer__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__title {
  color: var(--color-primario);
  font-size: 1.5rem;
}
.footer__subtitle {
  color: var(--color-primario);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.footer__link {
  color: var(--color-texto);
  font-size: 0.9rem;
}
.footer__link:hover {
  color: var(--color-primario);
}

.footer__copyright {
  text-align: center;
  border-top: 1px solid var(--color-borde-claro);
  padding-top: 2rem;
  font-size: 0.9rem;
  color: var(--color-texto);
}

/* [CAMBIO V14] Iconos de Redes Sociales (Font Awesome) */
.footer-socials {
  display: flex;
  gap: 1.5rem; /* Más espacio */
  margin-top: 1.5rem;
}
.footer-socials__link {
  font-size: 1.5rem; /* 24px */
  color: var(--color-texto);
  transition: color 0.3s ease;
}
.footer-socials__link:hover {
  color: var(--color-acento); /* Verde al hacer hover */
}

/* Info de Contacto en Footer */
.footer-contact {
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-contact p {
  margin-bottom: 0.5rem;
  color: var(--color-texto);
}
.footer-contact a {
  color: var(--color-texto);
  text-decoration: none;
}
.footer-contact a:hover {
  color: var(--color-acento);
}

/* ============================================================
8. MEDIA QUERIES (Responsive Design)
============================================================
*/

@media (min-width: 768px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.5rem; }

  .nav__menu {
    display: block;
  }
  .nav__list {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    align-items: center;
  }
  .nav__item {
    margin-bottom: 0;
  }
  
  .hero__title {
    font-size: 3.5rem;
  }
  .hero__bifurcacion {
    flex-direction: row;
  }

  .columns__container {
    flex-direction: row;
  }

  .galeria__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__container {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

/* ============================================================
9. ESTILOS PÁGINAS INTERNAS (Premium v2 - Nuestro Sistema, etc.)
============================================================
*/

.hero-page {
  padding: 8rem 0 5rem 0; 
  text-align: center;
  background-color: var(--color-primario); 
  color: var(--color-fondo-base);
}

.hero-page__title {
  color: var(--color-fondo-base);
  font-size: 2.5rem;
}

.hero-page__subtitle {
  font-size: 1.1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
  color: var(--color-fondo-seccion); 
}

/* ----------------------------------------
[REDISEÑO] CICLO RADAR - (v5 Replicando Tailwind)
----------------------------------------
*/

#radar.section-card {
  background-color: var(--color-fondo-base); 
  padding: 2rem;
}
@media (min-width: 768px) {
  #radar.section-card {
    padding: 3rem;
  }
}


#radar .section__title,
#radar .section__description {
  color: var(--color-primario);
}

#radar .section__description strong {
   color: var(--color-primario);
}

.radar-ciclo__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.radar-paso {
  background-color: var(--color-fondo-seccion); /* Gris claro */
  border: 1px solid var(--color-borde-claro);
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.radar-paso:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.radar-paso__icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-acento); 
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.5rem;
}

.radar-paso__icon {
  color: var(--color-fondo-base);
  font-size: 2rem;
}

.radar-paso__titulo {
  font-family: var(--font-titulos);
  font-weight: 700;
  color: var(--color-primario); 
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.columna__img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 1.5rem;
}

.nav__link.active-link {
  color: var(--color-primario);
  font-weight: 700;
}


@media (min-width: 768px) {
  .hero-page__title {
    font-size: 3rem;
  }
  
  .radar-ciclo__container {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ============================================================
10. ESTILOS DE CONTACTO (Formulario y Video)
============================================================
*/

/* Info de Contacto en Página */
.contact-info {
  font-size: 1.1rem;
  line-height: 1.8;
}
.contact-info p {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.contact-info .material-symbols-outlined {
  color: var(--color-acento);
}
.contact-info a {
  color: var(--color-texto);
  font-weight: 600;
}
.contact-info a:hover {
  color: var(--color-acento);
}

.form-container {
  width: 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: var(--font-titulos);
  font-weight: 600;
  color: var(--color-primario);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-family: var(--font-cuerpo);
  font-size: 1rem;
  border: 1px solid var(--color-borde-claro);
  border-radius: 4px;
  background-color: var(--color-fondo-base);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primario);
  box-shadow: 0 0 0 3px rgba(10, 35, 66, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.video-responsive-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  border-radius: 5px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.video-responsive-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ============================================================
11. ESTILOS DE PÁGINA (Especialidad - Galería)
============================================================
*/
.gallery-section {
  margin-bottom: 4rem;
}
/* Eliminar el margen de la última sección de galería */
.gallery-section:last-child {
    margin-bottom: 0;
}

.gallery-especialidad {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.gallery-item {
  border-radius: 5px;
  overflow: hidden;
  background-color: var(--color-fondo-base);
  border: 1px solid var(--color-borde-claro);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.gallery-item img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-bottom: 1px solid var(--color-borde-claro);
}

.gallery-especialidad--tecnica .gallery-item img {
  object-fit: cover; 
}

.gallery-item__caption {
  font-family: var(--font-titulos);
  font-weight: 600;
  color: var(--color-primario);
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 1.1rem;
  background-color: var(--color-fondo-base);
}

@media (min-width: 768px) {
  .gallery-especialidad {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-especialidad {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .gallery-especialidad:not(.gallery-especialidad--tecnica) {
     grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
12. [CAMBIO V14] Botón Flotante de WhatsApp (Font Awesome)
============================================================
*/
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366; /* Color oficial de WhatsApp */
  color: #FFFFFF;
  
  display: flex;
  align-items: center;
  justify-content: center;
  
  font-size: 2.2rem; /* Tamaño del icono (ajustado para FA) */
  text-decoration: none;
  
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* ============================================================
13. [ELIMINADO] MODO OSCURO (Dark Mode)
============================================================
*/
/* ... Sección eliminada para forzar el Modo Día ... */