/* ==========================================================================
   REGULARIZACIÓN CONSTRUCCIÓN QUERÉTARO - HOJA DE ESTILOS PRINCIPAL
   Paleta de 4 Colores:
   1. Primario: Azul Marino Institucional (#0F2942)
   2. Acento: Ámbar Construcción (#D97706)
   3. Secundario: Pizarra / Acero Técnico (#475569)
   4. Neutro: Blanco / Hielo Arquitectónico (#F8FAFC / #FFFFFF)
   Regla General: Ancho máximo de 1150px, animaciones sutiles.
   ========================================================================== */

:root {
  --color-primary: #0F2942;
  --color-primary-dark: #091a2b;
  --color-accent: #D97706;
  --color-accent-light: #F59E0B;
  --color-secondary: #475569;
  --color-secondary-light: #94A3B8;
  --color-neutral: #F8FAFC;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  --max-width: 1150px;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--color-white);
  color: var(--color-secondary);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
}

/* Contenedor estándar de 1150px */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   HEADER Y NAVEGACIÓN
   Fondo transparente según especificación
   ========================================================================== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  transition: var(--transition-smooth);
  padding: 16px 0;
}

.site-header.scrolled {
  position: fixed;
  background-color: rgba(15, 41, 66, 0.95);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

/* ==========================================================================
   LOGO NATIVO HTML CON FLEXBOX (Especificaciones exactas)
   - Estructura horizontal: Ícono a la izquierda, 3 renglones verticales a la derecha
   - Renglón 1: REGULARIZACIÓN (font-bold, blanco/primario)
   - Renglón 2: CONSTRUCCIÓN (font-bold, acento/ámbar)
   - Renglón 3: QUERÉTARO (font-light, secundario)
   - Ancho total: 190px - 260px
   - Tipografía fluida: leading-none / 11px a 13px
   ========================================================================== */
.logo-block,
a.flex.items-center.gap-3 {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  width: 230px;
  flex-shrink: 0;
}

.logo-icon,
a.flex.items-center.gap-3 img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
  background: transparent;
}

.font-bold { font-weight: 800; }
.font-light { font-weight: 300; }
.leading-tight { line-height: 1.25; }
.leading-none { line-height: 1; }
.object-contain { object-fit: contain; }
.flex-shrink-0 { flex-shrink: 0; }

.logo-text-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}

.logo-row-1 {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.logo-row-2 {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.logo-row-3 {
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--color-secondary-light);
  text-transform: uppercase;
}

/* Versión del logo para fondos claros (footer) */
.logo-block.logo-light-bg .logo-row-1 {
  color: var(--color-primary);
}

/* Menú Principal */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 24px;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: #FFFFFF;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 4px;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover {
  color: var(--color-accent-light);
}

/* Submenú Servicios Secundarios */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 250px;
  background-color: var(--color-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  list-style: none;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-smooth);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 18px;
  color: #E2E8F0;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.dropdown-link:hover {
  background-color: rgba(217, 119, 6, 0.15);
  color: var(--color-accent-light);
  padding-left: 24px;
}

/* Botón Más Informes */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.btn-cta:hover {
  background-color: #B45309;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.45);
}

/* ==========================================================================
   2. HERO SLIDER
   - Altura: 550px
   - Títulos: 60px
   - Slider de 4 diapositivas
   - Un solo botón: Más Informes
   ========================================================================== */
.hero-section {
  position: relative;
  height: 550px;
  overflow: hidden;
  background-color: var(--color-primary);
}

.hero-slider-track {
  position: relative;
  height: 100%;
  width: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 41, 66, 0.94) 0%, rgba(15, 41, 66, 0.82) 55%, rgba(15, 41, 66, 0.65) 100%);
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 820px;
  padding-top: 40px;
}

.hero-title {
  font-size: 60px;
  line-height: 1.1;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-title span {
  color: var(--color-accent-light);
}

.hero-paragraph {
  font-size: 18px;
  line-height: 1.5;
  color: #E2E8F0;
  margin-bottom: 30px;
  max-width: 680px;
}

/* Controles del Slider */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(15, 41, 66, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  z-index: 10;
}

.slider-arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.slider-prev { left: 24px; }
.slider-next { right: 24px; }

.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.slider-dot.active {
  background: var(--color-accent);
  width: 32px;
  border-radius: 6px;
}

/* ==========================================================================
   ESTRUCTURA GENERAL DE SECCIONES
   - Todas las secciones deben llevar un h3 con el nombre de la sección
     y abajo un párrafo complementario.
   - Sin etiquetas arriba de los títulos.
   ========================================================================== */
.section-padding {
  padding: 70px 0;
}

.section-bg-neutral {
  background-color: var(--color-neutral);
}

.section-bg-white {
  background-color: var(--color-white);
}

.section-bg-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.section-header {
  text-align: center;
  margin-bottom: 45px;
}

.section-header h3 {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-bg-primary .section-header h3 {
  color: #FFFFFF;
}

.section-header p {
  font-size: 16px;
  color: var(--color-secondary);
  max-width: 680px;
  margin: 0 auto;
}

.section-bg-primary .section-header p {
  color: #CBD5E1;
}

/* ==========================================================================
   3. NUESTROS SERVICIOS
   - 4 Tarjetas para Servicio Principal y los 3 Secundarios (target="_blank")
   - Títulos en 2 renglones con palabras completas
   - Sin párrafo en las tarjetas
   - Solo botón "Ver Más"
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 36px 24px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  transition: var(--transition-smooth);
  min-height: 220px;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(15, 41, 66, 0.12);
  border-color: var(--color-accent);
}

.service-card-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 24px;
  text-decoration: none;
}

.btn-card-more {
  display: inline-block;
  padding: 9px 24px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 5px;
  transition: var(--transition-smooth);
}

.btn-card-more:hover {
  background-color: var(--color-accent);
}

/* ==========================================================================
   4. QUIÉNES SOMOS
   - Texto + foto lateral
   - Sin etiqueta abajo de la imagen
   - Enfocado 100% en Querétaro (nada de Bajío)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-content p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.7;
}

.about-bullets {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.about-bullets li::before {
  content: "✔";
  color: var(--color-accent);
  font-weight: bold;
}

.about-image-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   5. CONTÁCTANOS
   - Tarjetas: Dirección, Correo, Teléfono Oficina, WhatsApp
   - Tipografía email: 8px
   - Párrafos de Correo, Teléfono y WhatsApp con exactamente 3 renglones
   ========================================================================== */
.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.contact-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 28px 18px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background-color: var(--color-neutral);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 20px;
}

.contact-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

/* Regla estricta: 3 renglones exactos para alineación */
.contact-card-para-3lines {
  font-size: 13px;
  line-height: 1.45;
  height: 4.35em; /* 3 líneas exactas */
  overflow: hidden;
  color: var(--color-secondary);
  margin-bottom: 14px;
}

/* Regla estricta: email a 8px */
.contact-card-email-link {
  font-size: 8px !important;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  word-break: break-all;
  display: inline-block;
  line-height: 1.2;
}

.contact-card-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  display: inline-block;
  margin-top: auto;
}

.contact-card-link:hover, .contact-card-email-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   6. MÁS INFORMES (FORMULARIO + FOTO)
   - Formulario derecha + foto izquierda
   - Sin etiqueta abajo de la foto
   - Protecciones anti-spam
   ========================================================================== */
.more-info-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: stretch;
}

.more-info-img-wrapper {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  height: 100%;
}

.more-info-img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  display: block;
}

.contact-form-box {
  background-color: #FFFFFF;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: 32px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--color-primary);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Campo trampa honeypot oculto */
.hp-field {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  position: absolute !important;
  left: -9999px !important;
}

.form-status {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  display: none;
}

.form-status.success {
  display: block;
  color: #16A34A;
}

.form-status.error {
  display: block;
  color: #DC2626;
}

/* ==========================================================================
   7. NUESTROS LOGROS (3 Contadores Animados)
   - 99% Clientes Satisfechos
   - 95% Trámites Concluidos
   - +100 Tramites Realizados
   ========================================================================== */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.achievement-card {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 36px 20px;
  text-align: center;
  backdrop-filter: blur(5px);
  transition: var(--transition-smooth);
}

.achievement-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-light);
  background-color: rgba(255, 255, 255, 0.12);
}

.achievement-counter {
  font-size: 54px;
  font-weight: 900;
  color: var(--color-accent-light);
  line-height: 1;
  margin-bottom: 12px;
}

.achievement-label {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   8. NUESTROS CLIENTES
   - 3 tipos de clientes
   - SIN NINGÚN BOTÓN
   ========================================================================== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.client-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  transition: var(--transition-smooth);
}

.client-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 25px rgba(15, 41, 66, 0.08);
}

.client-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: inline-block;
}

.client-card h4 {
  font-size: 19px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.client-card p {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   9. PREGUNTAS FRECUENTES (10 en acordeón)
   ========================================================================== */
.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background-color: #FFFFFF;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-header {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  font-family: inherit;
  transition: var(--transition-smooth);
}

.faq-header:hover {
  color: var(--color-accent);
}

.faq-icon {
  font-size: 18px;
  font-weight: bold;
  color: var(--color-accent);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background-color: var(--color-neutral);
}

.faq-item.active .faq-body {
  max-height: 400px;
  padding: 18px 24px;
  border-top: 1px solid var(--color-border);
}

.faq-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-secondary);
}

/* ==========================================================================
   10. TESTIMONIOS CLIENTES (3 testimonios literales del documento)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

.testimonial-quote {
  font-size: 14.5px;
  font-style: italic;
  line-height: 1.65;
  color: var(--color-secondary);
  margin-bottom: 24px;
}

.testimonial-author-box {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.testimonial-name {
  font-size: 15px;
  font-weight: 800;
  color: var(--color-primary);
}

.testimonial-company {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
}

/* ==========================================================================
   11. NUESTRO BLOG (6 Artículos - Solo Títulos + Ver Más)
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  transition: var(--transition-smooth);
  min-height: 170px;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 24px rgba(15, 41, 66, 0.08);
}

.blog-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 18px;
}

.btn-blog-more {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-blog-more:hover {
  color: #B45309;
  text-decoration: underline;
}

/* ==========================================================================
   12. FOOTER (Tres Columnas)
   - Columna 1: Logo vertical + párrafo corto + redes sociales
   - Columna 2: Navegación
   - Columna 3: Datos de Contacto
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: #CBD5E1;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.footer-logo-vertical {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #94A3B8;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition-smooth);
}

.social-icon-btn:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-link {
  color: #CBD5E1;
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition-smooth);
}

.footer-nav-link:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.footer-contact-item a {
  color: #CBD5E1;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-contact-item a:hover {
  color: var(--color-accent-light);
}

/* ==========================================================================
   13. SUBFOOTER
   Derechos Reservados 2026 Regularizacion Construccion Querétaro –
   Aviso de Privacidad (target="_blank")
   ========================================================================== */
.subfooter {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #94A3B8;
}

.subfooter a {
  color: var(--color-accent-light);
  text-decoration: none;
  margin-left: 6px;
}

.subfooter a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   BOTONES FLOTANTES
   - WhatsApp lado izquierdo: 60px, bottom 30px, left 30px, latido infinito
   - Asistente Verónica Gómez: lado derecho 60px, bottom 30px, right 30px, latido infinito
   ========================================================================== */
@keyframes heartbeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.12); }
  28% { transform: scale(1); }
  42% { transform: scale(1.12); }
  70% { transform: scale(1); }
  100% { transform: scale(1); }
}

.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  text-decoration: none;
  animation: heartbeat 2s infinite ease-in-out;
  transition: var(--transition-smooth);
}

.floating-whatsapp:hover {
  transform: scale(1.15) !important;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
}

.floating-assistant-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 3px solid var(--color-accent);
  box-shadow: 0 6px 22px rgba(15, 41, 66, 0.4);
  z-index: 999;
  cursor: pointer;
  overflow: hidden;
  animation: heartbeat 2s infinite ease-in-out;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.floating-assistant-btn:hover {
  transform: scale(1.15) !important;
}

.floating-assistant-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Modal Chat de Verónica Gómez */
.assistant-chat-modal {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 360px;
  max-width: calc(100vw - 40px);
  background-color: #FFFFFF;
  border-radius: 14px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  z-index: 1000;
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: fadeIn 0.3s ease;
}

.assistant-chat-modal.open {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.assistant-chat-header {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.assistant-header-profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.assistant-header-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  object-fit: cover;
}

.assistant-header-info h5 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.assistant-header-info span {
  font-size: 11px;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 4px;
}

.assistant-header-info span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  background-color: #22C55E;
  border-radius: 50%;
}

.assistant-close-btn {
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.assistant-chat-body {
  padding: 18px;
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: var(--color-neutral);
}

.chat-bubble-agent {
  background-color: #FFFFFF;
  padding: 12px 14px;
  border-radius: 12px 12px 12px 2px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border);
}

.chat-quick-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.chat-opt-btn {
  background-color: #FFFFFF;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-smooth);
}

.chat-opt-btn:hover {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.assistant-chat-footer {
  padding: 10px 14px;
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
}

.assistant-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}

.assistant-send-btn {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}

/* ==========================================================================
   PÁGINAS INTERNAS (ESTRUCTURA UNIFICADA)
   - Header mismo que la home
   - Hero Banner
   - Sección correspondiente
   - Footer con subfooter mismo que la home
   ========================================================================== */
.internal-hero-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #153250 100%);
  padding: 130px 0 60px;
  color: #FFFFFF;
  text-align: center;
  position: relative;
}

.internal-hero-title {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 12px;
}

.internal-hero-desc {
  font-size: 16px;
  color: #CBD5E1;
  max-width: 700px;
  margin: 0 auto;
}

.service-content-body, .article-content-body {
  max-width: 850px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-secondary);
}

.service-content-body p, .article-content-body p {
  margin-bottom: 20px;
}

.service-content-body h4, .article-content-body h4 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 30px 0 14px;
}

/* ==========================================================================
   RESPONSIVIDAD Y AJUSTES MÓVILES
   ========================================================================== */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 26px;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .services-grid, .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-title {
    font-size: 46px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 70px 24px;
    transition: right 0.3s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
  }
  .nav-menu.open {
    right: 0;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background-color: rgba(255, 255, 255, 0.05);
    width: 100%;
    box-shadow: none;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-section {
    height: 520px;
  }
  .about-grid, .more-info-grid, .footer-grid, .clients-grid, .achievements-grid, .testimonials-grid, .blog-grid {
    grid-template-columns: 1fr;
  }
  .services-grid, .contact-cards-grid {
    grid-template-columns: 1fr;
  }
  .floating-whatsapp {
    left: 15px;
    bottom: 20px;
    width: 50px;
    height: 50px;
  }
  .floating-assistant-btn {
    right: 15px;
    bottom: 20px;
    width: 50px;
    height: 50px;
  }
}