@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@300;400;700&family=Open+Sans:wght@300;400;600&display=swap');

:root {
  /* Paleta de colores Corporativa Advance Lexar */
  --color-base-dark: #3b2c24; /* Marrón muy oscuro (Textos y bordes) */
  --color-arrow-top: #7d4334; /* Marrón rojizo (Destacados secundarios) */
  --color-arrow-mid: #e5ce83; /* Dorado/Mostaza (Hover/Fondos) */
  --color-arrow-bot: #d28b46; /* Naranja tierra (Llamadas a la acción) */
  --color-bg-light: #ffffff; /* Blanco */
  --color-bg-alt: #f9f8f6; /* Blanco roto cálido */

  /* Tipografías */
  --font-headings: 'Merriweather', Georgia, serif;
  --font-body: 'Open Sans', Arial, sans-serif;

  /* Espaciados Base */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;
  
  /* Radios */
  --radius-sm: 4px;
}

/* ==================================
   RESET & BASE
   ================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Skip link de Accesibilidad (A11y WCAG 2.1 - Navegación por teclado) */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-arrow-bot);
  color: var(--color-bg-light);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s ease;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-base-dark);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100dvw;
  max-width: 100%; /* Neutraliza el scroll horizontal provocado por el scrollbar vertical en Windows */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  color: var(--color-base-dark);
  line-height: 1.3;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }


a {
  color: var(--color-arrow-top);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-arrow-bot);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  min-width: 0; /* Previene blowouts en contenedores */
}

/* COMPONENTES GLOBALES */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

.btn:focus-visible {
  outline: 3px solid var(--color-arrow-mid);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-arrow-bot);
  color: var(--color-bg-light);
  border: 1px solid var(--color-arrow-bot);
}

.btn-primary:hover {
  background-color: var(--color-arrow-top);
  color: var(--color-bg-light);
  border-color: var(--color-arrow-top);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-base-dark);
  border: 1px solid var(--color-base-dark);
}

.btn-outline:hover {
  background-color: var(--color-base-dark);
  color: var(--color-bg-light);
}

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

.btn-secondary:hover {
  background-color: var(--color-base-dark);
  color: var(--color-bg-light);
  transform: translateY(-2px);
}

.badge {
  display: inline-block;
  margin-bottom: var(--spacing-md);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(229, 206, 131, 0.2);
  color: var(--color-arrow-top);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid var(--color-arrow-mid);
}

/* Accesibilidad: Variación de contraste para fondos oscuros */
.page-header .badge,
.hero .badge {
  color: var(--color-arrow-mid);
  background: rgba(229, 206, 131, 0.1);
  border-color: rgba(229, 206, 131, 0.4);
}

/* ==================================
   HEADER & NAVIGATION
   ================================== */
header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: var(--color-bg-light);
  box-shadow: 0 2px 10px rgba(59, 44, 36, 0.05);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo: combinación icono cuadrado + texto tipográfico */
.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: translateY(-2px);
}

/* Icono cuadrado del escudo */
.logo-icon {
  height: 48px;
  width: auto;
  display: block;
  flex-shrink: 0;
  transition: filter 0.3s ease;
}

.logo:hover .logo-icon {
  filter: drop-shadow(0 4px 10px rgba(59, 44, 36, 0.2));
}

/* Texto tipográfico del logo */
.logo-wordmark {
  font-family: var(--font-headings);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-base-dark);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  line-height: normal;
  display: flex;
  align-items: center;
}

.logo-wordmark span {
  color: var(--color-arrow-bot);
}

/* Fallback texto (footer) */
.logo-text {
  font-family: var(--font-headings);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-base-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.logo-text span {
  color: var(--color-arrow-bot);
}

/* Imagen SVG wide (ya no se usa en nav) */
.logo-img {
  height: 52px;
  width: auto;
  display: block;
  transition: opacity 0.3s ease;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-base-dark);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-arrow-bot);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-arrow-bot);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Header con sombra progresiva al scroll (aplicada via JS: .scrolled) */
header.scrolled {
  box-shadow: 0 4px 20px rgba(59, 44, 36, 0.12);
}

/* ==================================
   HERO SECTION
   ================================== */
.hero {
  display: flex;
  flex-direction: column;
  background-color: var(--color-base-dark);
  color: var(--color-bg-light);
}

.hero-content {
  padding: var(--spacing-xl) 2rem var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-content h1 {
  color: var(--color-bg-light);
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 300;
  margin-bottom: var(--spacing-xl);
  color: var(--color-bg-alt);
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-actions .btn-outline,
.hero-actions .btn-secondary {
  color: var(--color-arrow-mid);
  border-color: var(--color-arrow-mid);
  background-color: transparent;
}

.hero-actions .btn-outline:hover,
.hero-actions .btn-secondary:hover {
  background-color: var(--color-arrow-mid);
  color: var(--color-base-dark);
  border-color: var(--color-arrow-mid);
}

.hero-image-wrapper {
  width: 100%;
}

.hero-image {
  width: 100%;
  object-fit: cover;
  max-height: 50vh; /* Reducido para desktop */
}

@media (max-width: 768px) {
  .hero-image {
    max-height: 35vh; /* Aún más compacto en móviles */
  }
}

/* ==================================
   SERVICES OVERVIEW
   ================================== */
.services-overview {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-alt);
}

.section-header {
  position:inherit;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: 2rem 0;
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-arrow-mid);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-bg-light);
  padding: 3rem 2.5rem; /* Padding incrementado radicalmente para dar más aire corporativo */
  border-radius: var(--radius-sm);
  border: 1px solid rgba(59, 44, 36, 0.05);
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.card-icon {
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  flex-grow: 1;
  color: #555;
  margin-bottom: var(--spacing-lg);
}

.card-link {
  font-weight: 600;
  font-family: var(--font-headings);
  display: inline-flex;
  align-items: center;
}

/* ==================================
   ABOUT SUMMARY
   ================================== */
.about-summary {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-light);
}

.grid-2-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}
.grid-2-columns > * {
  min-width: 0; /* Escudo maestro: obliga al contenido (títulos largos) a respetar el div padre */
}

@media (min-width: 901px) {
  .reverse-desktop > *:first-child {
    order: 2;
  }
  .reverse-desktop > *:last-child {
    order: 1;
  }
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 40px rgba(59, 44, 36, 0.1);
}

.about-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100px;
  height: 100px;
  border-top: 4px solid var(--color-arrow-mid);
  border-left: 4px solid var(--color-arrow-mid);
  z-index: -1;
}

.about-text h2 {
  margin-bottom: var(--spacing-lg);
}

.about-text p {
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
  color: #4a4a4a;
}

.about-text .btn {
  margin-top: var(--spacing-md);
}

/* ==================================
   CTA BANNER
   ================================== */
.cta-banner {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-base-dark);
  color: var(--color-bg-light);
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-bg-light);
  margin-bottom: var(--spacing-sm);
}

.cta-banner p {
  font-size: 1.1rem;
  color: var(--color-bg-alt);
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

/* ==================================
   FOOTER
   ================================== */
footer {
  background-color: var(--color-base-dark);
  color: var(--color-bg-alt);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-logo {
  color: var(--color-bg-light);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: var(--color-arrow-mid);
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-bg-light);
}

/* Accesibilidad: focus visible en links del footer */
.footer-links a:focus-visible {
  outline: 2px solid var(--color-arrow-mid);
  outline-offset: 3px;
  border-radius: 2px;
}

.footer-bottom {
  text-align: center;
  padding: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ==================================
   FORMS & CONTACT
   ================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xxl);
}

.contact-info {
  background-color: var(--color-base-dark);
  color: var(--color-bg-light);
  padding: 4.5rem 3.5rem;
  border-radius: var(--radius-sm);
  height: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(59, 44, 36, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-arrow-bot);
}

.contact-info h2 { color: var(--color-bg-light); margin-bottom: var(--spacing-md); }
.contact-info p { color: var(--color-bg-alt); opacity: 0.9; margin-bottom: var(--spacing-xxl); }

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.info-item-icon {
  background: rgba(229, 206, 131, 0.2); 
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-arrow-mid);
}

.info-item-icon svg {
  color: var(--color-arrow-mid) !important;
  /* Centrado perfecto del SVG interior */
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-item-text {
  display: flex;
  flex-direction: column;
}

.info-label { 
  color: var(--color-arrow-mid); 
  margin-bottom: 0.25rem; 
  font-family: var(--font-body); 
  text-transform: uppercase; 
  font-size: 0.85rem;
  letter-spacing: 1px;
  font-weight: 600;
}

.info-value { 
  margin-bottom: 0; 
  opacity: 0.9; 
  font-size: 1.1rem;
  font-weight: 500;
}

.contact-form-wrapper {
  padding: 2rem 0;
}

.form-group {
  margin-bottom: 2.25rem;
}

.floating-group {
  position: relative;
  margin-top: 1.5rem;
}

.form-control {
  width: 100%;
  padding: 0.5rem 0;
  font-family: var(--font-body);
  border: none;
  border-bottom: 1px solid #aaa;
  background: transparent;
  font-size: 1.05rem;
  color: var(--color-base-dark);
  transition: border-bottom-color 0.3s ease;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border-radius: 0;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%233b2c24' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1.2rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

select.form-control:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23d28b46' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.form-control:focus {
  outline: none;
  border-bottom: 2px solid var(--color-arrow-bot);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* Labels flotantes — trabaja con la etiqueta <label> nativa */
.floating-group label {
  position: absolute;
  top: 0.55rem;
  left: 0;
  font-size: 1rem;
  color: #888;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  background: transparent;
  padding: 0 2px;
}

/* Levantarse: cuando el input tiene foco o tiene contenido (placeholder=" ") */
.form-control:focus ~ label,
.form-control:not(:placeholder-shown) ~ label {
  top: -1.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-arrow-bot);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* Select: siempre arriba porque el placeholder está oculto con 'hidden' */
.floating-group label.select-label {
  top: -1.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.form-control:focus ~ label.select-label {
  color: var(--color-arrow-bot);
}

/* Estado post-foco: label queda arriba pero en gris */
.form-control:not(:focus):not(:placeholder-shown) ~ label {
  color: #777;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  color: #555;
  margin-top: 0.5rem;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  line-height: 1.5;
}

.checkbox-container input[type="checkbox"] {
  margin-top: 0.2rem;
  flex-shrink: 0;
  accent-color: var(--color-arrow-bot);
  cursor: pointer;
  width: 16px;
  height: 16px;
}

/* Link de política dentro del checkbox */
.checkbox-container a {
  color: var(--color-arrow-bot);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

.checkbox-container a:hover {
  color: var(--color-arrow-top);
}

.checkbox-group.is-invalid .checkbox-container {
  box-shadow: 0 0 0 3px rgba(201, 48, 44, 0.15);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  background: rgba(201, 48, 44, 0.03);
}

/* Inline Errors */
.error-text {
  display: block;
  font-size: 0.8rem;
  color: #d13e3e;
  margin-top: 0.25rem;
  min-height: 1.2rem;
  opacity: 0;
  transform: translateY(-5px);
  transition: all 0.3s ease;
}

.error-text.active {
  opacity: 1;
  transform: translateY(0);
}

.form-control.is-invalid {
  border-bottom-color: #d13e3e !important;
}

.form-control.is-invalid ~ .form-label {
  color: #d13e3e !important;
}

/* Honeypot Security Field */
.hp-field {
  display: none !important;
  visibility: hidden !important;
}

/* Feedback tras envío del formulario (aparece debajo del botón) */
.form-feedback-pill {
  display: none;
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.5;
  animation: fadeIn 0.4s ease;
}
.feedback-success {
  display: block;
  background: #e0f2e9;
  color: #1e5a3a;
  border: 1px solid #a8d5b5;
}
.feedback-error {
  display: block;
  background: #fae6e6;
  color: #9c2b2e;
  border: 1px solid #f2c7c7;
}
/* Mantener compatibilidad con clases antiguas */
.form-feedback.success { display: block; background: #e0f2e9; color: #1e5a3a; border: 1px solid #c0e6ce; }
.form-feedback.error { display: block; background: #fae6e6; color: #9c2b2e; border: 1px solid #f2c7c7; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn:disabled {
  opacity: 0.7;
  cursor: wait;
}


/* ==================================
   UTILITIES & SERVICES PAGE
   ================================== */
.text-center { text-align: center; }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }
.pb-xxl { padding-bottom: var(--spacing-xxl); }
.bg-alt { background-color: var(--color-bg-alt); }

/* Editorial Text Block para que la vista descanse */
.text-block-readable {
  max-width: 850px;
  margin: 0 auto;
}

/* Capitular clásica para inicio de secciones de lectura (Dropcap) */
.dropcap::first-letter {
  font-family: var(--font-headings);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-arrow-bot);
  float: left;
  margin: 0 0.5rem -0.2rem 0;
}

/* Borde de acento visual corporativo */
.border-left-accent {
  padding-left: 2rem;
  border-left: 3px solid var(--color-arrow-mid);
}

.page-header {
  padding: var(--spacing-xxl) 0;
  margin-bottom: var(--spacing-xxl); /* Añadir espacio con el contenido de abajo */
  background-color: var(--color-base-dark);
  color: var(--color-bg-light);
  box-shadow: inset 0 -40px 60px -20px rgba(0,0,0,0.1);
}

.page-header h1 {
  color: var(--color-bg-light);
  margin-bottom: var(--spacing-sm);
}

.page-header-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  font-weight: 300;
}

.service-detail {
  padding: var(--spacing-xxl) 0;
}

.service-icon-wrapper {
  margin-bottom: var(--spacing-md);
}

.service-text p {
  margin-bottom: var(--spacing-md);
  color: #4a4a4a;
}

.styled-list {
  list-style: none;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.styled-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-base-dark);
}

.styled-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-arrow-bot);
  font-weight: bold;
}

/* Micro-interacción Hover Zoom (Regla de UX corporativa) */
.service-image {
  overflow: hidden;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 40px rgba(59, 44, 36, 0.08);
}

.hover-zoom img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hover-zoom:hover img {
  transform: scale(1.05); /* Efecto envolvente */
}


/* ==================================
   HAMBURGER MENU
   ================================== */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 9999; /* Siempre por encima del menú móvil */
}

.hamburger {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-base-dark);
  position: relative;
  transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 3px;
  background-color: var(--color-base-dark);
  transition: all 0.3s ease;
  left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* Hamburger Active State (X) */
.menu-toggle.active .hamburger {
  background-color: transparent;
}
.menu-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}
.menu-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ==================================
   RESPONSIVE DESIGN
   ================================== */

/* Tablet grande / Desktop pequeño */
@media (max-width: 900px) {
  .grid-2-columns {
    grid-template-columns: 1fr;
  }
  
  .about-image {
    order: -1;
  }

  /* Contact grid colapsa antes */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .contact-info {
    padding: 2.5rem;
  }

  /* Service sections necesitan menos padding en tablet */
  .service-detail {
    padding: var(--spacing-xl) 0;
  }
}

/* Tablet pequeña / Móvil grande */
@media (max-width: 600px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* Móvil estándar */
@media (max-width: 768px) {
  body {
    font-size: 0.95rem;
  }

  .menu-toggle {
    display: block;
  }

  .nav-container {
    padding: 1rem 1.5rem;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-bg-light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
  }

  .nav-links.active {
    right: 0;
  }
  
  .hero-content {
    padding: var(--spacing-xl) 1.5rem var(--spacing-md);
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .contact-info {
    padding: 2rem;
  }

  /* Formulario: primera columna completa en móvil */
  .contact-form-wrapper {
    padding: 0;
  }
}

/* ==================================
   ANIMACIONES DE ENTRADA (Scroll Reveal)
   ================================== */

/* Estado inicial: elementos invisibles antes de entrar en viewport */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Variantes de dirección */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger: retraso secuencial en hijos de un grid */
.stagger-children > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children > *:nth-child(2) { transition-delay: 100ms; }
.stagger-children > *:nth-child(3) { transition-delay: 200ms; }
.stagger-children > *:nth-child(4) { transition-delay: 300ms; }

/* Animación hero al cargar página */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-content h1 {
  animation: heroFadeUp 0.9s ease both;
  animation-delay: 0.1s;
}

.hero-content .hero-subtitle {
  animation: heroFadeUp 0.9s ease both;
  animation-delay: 0.25s;
}

.hero-content .hero-actions {
  animation: heroFadeUp 0.9s ease both;
  animation-delay: 0.4s;
}

/* ==================================
   MEJORAS INTERACTIVAS DE CARDS
   ================================== */

/* Borde de acento en hover de service-card */
.service-card {
  border-bottom: 3px solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(59, 44, 36, 0.1);
  border-bottom-color: var(--color-arrow-bot);
}

/* Icono de la tarjeta se mueve levemente en hover */
.service-card:hover .card-icon {
  transform: scale(1.08);
  transition: transform 0.3s ease;
}

/* ==================================
   SEPARADORES DECORATIVOS
   ================================== */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: var(--spacing-xl) auto;
  max-width: 200px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-arrow-mid);
  opacity: 0.6;
}

.divider-icon {
  width: 10px;
  height: 10px;
  background: var(--color-arrow-bot);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==================================
   LOGO EN FOOTER (con el icono cuadrado)
   ================================== */
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo-container {
  background: var(--color-bg-light);
  padding: 1rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  margin-bottom: 1.5rem;
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.05);
}

.footer-logo-img {
  height: 48px;
  width: auto;
  display: block;
}

/* ==================================
   MEJORAS HOVER EN BOTONES
   ================================== */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn:hover::before {
  opacity: 1;
}

/* Efecto ripple subtle en btn-primary */
.btn-primary:active {
  transform: scale(0.98);
}

/* ==================================
   NÚMERO / ESTADÍSTICAS en CTA (futuro)
   ================================== */
.stat-number {
  font-family: var(--font-headings);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-arrow-mid);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.7;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .logo-icon {
    height: 34px;
  }
  .logo-wordmark {
    font-size: 1.5rem;
  }
}