/* =========================================================
   ALBESO LOGÍSTICA – STYLES (REFACTORIZADO Y DEPURADO)
   ========================================================= 
   Versión: 5.0 - Mayo 2026
   
   Mejoras de refactorización y depuración:
   - Organización por secciones lógicas y autocontenidas
   - Variables CSS mejor documentadas
   - Eliminación de código muerto (antiguo estimador)
   - Nomenclatura BEM estricta para componentes reutilizables
   - Corrección de clases duplicadas (btn--ghost, footer-grid)
   - Mejores prácticas de accesibilidad
   - Comentarios descriptivos para facilitar el mantenimiento
   ========================================================= */

/* =========================================================
   1. VARIABLES CSS (TOKENS DE DISEÑO)
   ========================================================= */
:root {
  /* Paleta de colores principal */
  --color-primary: #0A2342;
  /* Azul noche - Confianza y profesionalidad */
  --color-secondary: #FF6600;
  /* Naranja - Energía y urgencia */
  --color-accent: #1E90FF;
  /* Azul claro - Contraste y CTA */

  /* Colores de fondo y superficie */
  --color-bg-page: #F7F7F7;
  /* Fondo general de la página */
  --color-bg-white: #ffffff;
  /* Fondo blanco para tarjetas */
  --color-bg-light: #f9fafb;
  /* Fondo gris muy claro */

  /* Colores de texto */
  --color-text-primary: #222;
  /* Texto principal oscuro */
  --color-text-secondary: #555;
  /* Texto secundario gris */
  --color-text-muted: #6b7280;
  /* Texto atenuado */

  /* Colores de estado */
  --color-success-bg: #dff7e6;
  --color-success-text: #0b6b31;
  --color-success-border: #c8ebd0;

  --color-error-bg: #ffe0e0;
  --color-error-text: #8b0f0f;
  --color-error-border: #f3bcbc;

  --color-info-bg: #fff5c2;
  --color-info-text: #7a6b00;
  --color-info-border: #f0e6b8;

  /* Bordes y sombras */
  --color-border: #e2e8f0;
  --color-ghost-border: #0A2342;

  /* Tipografía */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 1rem;
  --font-size-small: 0.875rem;
  --font-size-large: 1.125rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.4;
  --line-height-relaxed: 1.8;

  /* Espaciado */
  --spacing-xs: 0.25rem;
  /* 4px */
  --spacing-sm: 0.5rem;
  /* 8px */
  --spacing-md: 1rem;
  /* 16px */
  --spacing-lg: 1.5rem;
  /* 24px */
  --spacing-xl: 2rem;
  /* 32px */
  --spacing-2xl: 3rem;
  /* 48px */

  /* Bordes */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;

  /* Sombras */
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.08);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;

  /* Anchos máximos */
  --container-max-width: 1200px;
  --content-max-width: 900px;
  --form-max-width: 950px;
}

/* =========================================================
   2. RESET Y BASE
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  /* Ajusta según altura de tu header */
}

body {
  min-height: 100%;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

/* =========================================================
   3. LAYOUT Y CONTENEDORES
   ========================================================= */
.container {
  width: 90%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 10000;
}

.skip-link:focus {
  position: fixed;
  left: 10px;
  top: 10px;
  width: auto;
  height: auto;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-white);
  color: var(--color-primary);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  text-decoration: underline;
}

/* =========================================================
   4. COMPONENTES REUTILIZABLES (BOTONES, ESTADOS)
   ========================================================= */

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.4rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-family: inherit;
}

.btn--primary,
.btn--cta,
.btn--submit {
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
}

.btn--primary:hover,
.btn--cta:hover,
.btn--submit:hover {
  background-color: #ff8533;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active,
.btn--cta:active,
.btn--submit:active {
  transform: translateY(0);
}

/* Botón fantasma para fondos oscuros (Hero) */
.btn--ghost-dark {
  background: transparent;
  color: var(--color-bg-white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.6rem 1rem;
}

.btn--ghost-dark:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Botón fantasma para fondos claros (Formularios) */
.btn--ghost {
  background: transparent;
  border: 1px solid var(--color-ghost-border);
  color: var(--color-primary);
  padding: 0.5rem 1rem;
  font-weight: 600;
}

.btn--ghost:hover {
  background: rgba(10, 35, 66, 0.1);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* --- Mensajes de estado --- */
.status-message {
  display: block;
  padding: 0.7rem 1rem;
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  animation: fadeInStatus 0.4s ease forwards;
}

.status-message--success {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
  border: 1px solid var(--color-success-border);
}

.status-message--error {
  background-color: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1px solid var(--color-error-border);
}

.status-message--info {
  background-color: var(--color-info-bg);
  color: var(--color-info-text);
  border: 1px solid var(--color-info-border);
}

/* Indicador de progreso del stepper */
.step-counter {
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-secondary);
  padding: 0.15rem 0.6rem;
  border-radius: 30px;
  margin-left: 0.75rem;
  display: inline-block;
  vertical-align: middle;
}

@keyframes fadeInStatus {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================
   5. HEADER
   ========================================================= */
.header {
  background-color: var(--color-bg-white);
  border-bottom: 4px solid var(--color-secondary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  gap: var(--spacing-md);
}

.header__logo img {
  max-height: 55px;
  width: auto;
  transition: transform 0.25s ease;
}

.header__logo img:hover {
  transform: scale(1.03);
}

.logo--dark {
  display: inline-block;
}

.logo--light {
  display: none;
}

.header .logo--dark {
  display: inline-block;
}

.header .logo--light {
  display: none;
}

.header__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__contact .phone {
  color: var(--color-secondary);
  font-weight: 700;
}

.header__contact .phone:hover {
  text-decoration: underline;
}

.nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: nowrap;
}

.menu-toggle {
  display: none;
  font-size: 1.6rem;
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
}

/* =========================================================
   6. HERO SECTION
   ========================================================= */
.hero {
  background: linear-gradient(rgba(10, 35, 66, 0.6), rgba(10, 35, 66, 0.6)),
    url('images/hero-bg.jpg') center/cover no-repeat;
  color: var(--color-bg-white);
  text-align: center;
  padding: 6.5rem 1rem 5rem;
}

.hero__content {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.hero__logo {
  width: 220px;
  margin: 0 auto 1rem;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.45));
}

.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  line-height: var(--line-height-relaxed);
}

.hero__ctas {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

.furgoneta-banner {
  background-color: var(--color-bg-white);
  padding: 2rem 0;
}

.furgoneta-banner .container {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.furgoneta-banner img {
  flex: 1;
  min-width: 250px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.furgoneta-banner__texto {
  flex: 1;
}

@media (max-width: 700px) {
  .furgoneta-banner .container {
    flex-direction: column;
    text-align: center;
  }
}

/* =========================================================
   7. SECCIONES GENERALES
   ========================================================= */
section {
  padding: 3.2rem 1rem;
}

h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.7rem;
  font-weight: 700;
}

h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
  font-weight: 600;
}

/* =========================================================
   8. PILARES / TARJETAS
   ========================================================= */

/* Estilo original para la sección de autoridad (grid 4 columnas) */
.pilares-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.pilar {
  background-color: var(--color-bg-white);
  padding: 1.25rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.28s ease;
  text-align: left;
}

.pilar:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pilar__icon {
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.pilar__icon svg,
.pilar__icon svg path,
.pilar__icon svg line,
.pilar__icon svg circle {
  stroke: currentColor;
  fill: currentColor;
}

.pilar h3 {
  color: var(--color-secondary);
  margin-top: var(--spacing-sm);
}

/* Estilo específico para los pilares de servicios (con imagen) */
.pilar--servicio {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem;
}

.pilar--servicio .pilar__content {
  flex: 2;
}

.pilar--servicio .pilar__image {
  flex: 1;
  text-align: center;
}

.pilar--servicio .pilar__image img {
  max-width: 100%;
  border-radius: var(--border-radius-md);
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.pilar--servicio .pilar__content h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

.pilar--servicio .pilar__content p {
  line-height: var(--line-height-base);
}

/* Contenedor específico para la sección de servicios (pilares con imagen) */
#servicios .pilares-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* Responsive para los pilares de servicios */
@media (max-width: 768px) {
  .pilar--servicio {
    flex-direction: column;
    text-align: center;
  }

  .pilar--servicio .pilar__image {
    order: 2;
    margin-top: 1rem;
  }

  .pilar--servicio .pilar__content {
    order: 1;
  }

  .pilar--servicio .pilar__content h3 {
    text-align: center;
  }

  #servicios .pilares-grid {
    gap: var(--spacing-lg);
  }
}

/* =========================================================
   9. COBERTURA (SECCIÓN INVERTIDA)
   ========================================================= */
.cobertura {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding: 2.5rem;
}

.cobertura h2 {
  color: var(--color-bg-white);
}

/* =========================================================
   10. PARTNERS / SLIDER
   ========================================================= */
.partners__slider {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.partner-item {
  background: white;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s;
}

.partner-item:hover {
  transform: scale(1.05);
}

.partner-item img {
  height: 200px;
  width: auto;
  filter: grayscale(0%);
}

@media (max-width: 640px) {
  .partner-item img {
    height: 150px;
  }
}

/* =========================================================
   11. SEGUIMIENTO
   ========================================================= */

.seguimiento {
  background-color: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  margin: 2rem auto;
  max-width: var(--form-max-width);
  padding: 2rem;
}

.seguimiento h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.seguimiento__intro {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.seguimiento__form {
  margin-top: 1rem;
}

.seguimiento__input-group {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
  background: var(--color-bg-light);
  padding: 1rem;
  border-radius: var(--border-radius-md);
}

.seguimiento__input-group input {
  flex: 2;
  min-width: 200px;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-family: inherit;
}

.seguimiento__input-group button {
  flex: 0 0 auto;
  padding: 0.75rem 1.5rem;
  background: var(--color-secondary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.seguimiento__input-group button:hover {
  background: #e05e00;
  /* Naranja más oscuro, coherente con btn--primary */
}

.seguimiento__help-text {
  display: block;
  margin-top: 0.5rem;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  text-align: center;
}

.seguimiento__fallback {
  text-align: center;
  margin-top: 1rem;
  font-size: var(--font-size-small);
}

@media (max-width: 600px) {
  .seguimiento__input-group {
    flex-direction: column;
    align-items: stretch;
  }

  .seguimiento__input-group button {
    width: 100%;
  }
}

/* =========================================================
   12. CTA FINAL
   ========================================================= */
.cta-final {
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
  text-align: center;
  padding: 2.5rem;
}

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

/* =========================================================
   13. FORMULARIOS
   ========================================================= */

/* --- Contenedores generales --- */
.form-container,
.presupuesto {
  background-color: var(--color-bg-white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0 auto 2rem;
  max-width: var(--form-max-width);
  margin-left: auto;
  margin-right: auto;
}

.presupuesto {
  max-width: var(--form-max-width);
}

/* --- Layout de campos --- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.form-row .form-group {
  flex: 1;
  min-width: 180px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group--full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: #1f2937;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  background-color: #fafcff;
  font-family: inherit;
  font-size: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.08);
  border-color: var(--color-accent);
}

.form-text {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.error-message {
  color: var(--color-error-text);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
}

/* --- Elementos específicos del formulario de presupuesto --- */
fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

legend {
  font-weight: 700;
  color: var(--color-primary);
  padding: 0 0.5rem;
}

.bulto-item {
  background: var(--color-bg-light);
  padding: 1rem;
  border-radius: var(--border-radius-md);
  margin-bottom: 1rem;
}

.aviso-legal {
  background: #fff8e1;
  padding: 1rem;
  border-radius: var(--border-radius-md);
  font-size: 0.9rem;
  color: #5a4a00;
  margin: 1.5rem 0;
}

/* Honeypot (oculto visualmente) */
.honeypot {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  visibility: hidden;
  pointer-events: none;
}

/* =========================================================
   14. TABLAS
   ========================================================= */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--spacing-md) 0;
  border-radius: var(--border-radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.data-table caption {
  caption-side: top;
  padding: var(--spacing-md);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1.05rem;
  text-align: left;
  background-color: #f8f9fa;
}

.data-table th,
.data-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table thead th {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.data-table tbody th {
  font-weight: 600;
  color: var(--color-primary);
}

.data-table tbody tr:hover {
  background-color: #f8f9fa;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* =========================================================
   15. FAQ
   ========================================================= */
.faq-intro {
  font-size: 1.02rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  text-align: center;
}

.faq-list {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-bg-white);
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  user-select: none;
  font-size: 1.05rem;
  background-color: #f8f9fa;
  transition: background-color var(--transition-fast);
  list-style: none;
}

.faq-question::-webkit-details-marker,
.faq-question::marker {
  display: none;
}

.faq-question strong {
  color: var(--color-primary);
}

.faq-item:hover .faq-question {
  background-color: #e9ecef;
}

.faq-item[open] .faq-question {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
}

.faq-item[open] .faq-question strong {
  color: var(--color-bg-white);
}

.faq-answer {
  padding: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

.faq-answer p {
  margin-bottom: var(--spacing-md);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* =========================================================
   16. FOOTER (UNIFICADO Y LIMPIO)
   ========================================================= */
.footer {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding: 2.5rem 1rem 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer .logo--light {
  display: inline-block;
}

.footer .logo--dark {
  display: none;
}

.footer__logo {
  width: 160px;
  margin-bottom: 1rem;
}

.footer a {
  color: var(--color-bg-white);
  text-decoration: none;
  border-bottom: 1px dotted rgba(255, 255, 255, 0.3);
}

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

.footer__social {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.footer__legal {
  margin-top: 1.5rem;
  font-size: 0.85rem;
}

.footer__logos h3 {
  color: var(--color-bg-white);
  margin-bottom: 0.8rem;
  font-size: 1rem;
}

.footer__logos-images {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 1rem 0;
}

.footer__logos-images img {
  max-height: 50px;
  width: auto;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.footer__logos-text {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.8rem;
  opacity: 0.8;
}

.footer__updated {
  font-size: 0.75rem;
  margin-top: 1rem;
  opacity: 0.8;
  text-align: center;
}

.footer__copyright {
  text-align: center;
  padding-top: 1.5rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
}

.footer h3 {
  color: var(--color-bg-white);
  /* #ffffff */
  margin-bottom: var(--spacing-md);
}

/* Responsive footer */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__logos {
    grid-column: span 2;
    text-align: center;
  }

  .footer__logos-images {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__logos {
    grid-column: auto;
  }
}

/* =========================================================
   17. UTILIDADES
   ========================================================= */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

/* Clase para ocultar elementos solo visualmente (accesibilidad) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =========================================================
   16-BIS. COMPONENTES NUEVOS (TARJETAS PRECIO, WHATSAPP, STEPPER, SHIMMER, VALIDACIÓN)
   ========================================================= */

/* --- Tarjetas de precio (2.3) --- */
.tarjetas-tarifas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.tarjeta-precio {
  background: var(--color-bg-white);
  text-align: center;
  padding: 2rem 1rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  position: relative;
  overflow: hidden;
}

/* Efecto shimmer al cargar (2.2) */
.tarjeta-precio::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: skewX(-25deg);
  animation: shimmer 3s infinite;
  z-index: -1;
  pointer-events: none;
}

@keyframes shimmer {
  0% {
    left: -60%;
  }

  100% {
    left: 120%;
  }
}

.tarjeta-precio:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.tarjeta-precio h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.tarjeta-precio__importe {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  display: block;
  margin: 0.5rem 0;
}

.tarjeta-precio__importe small {
  font-size: 1.2rem;
  font-weight: 400;
  vertical-align: super;
}

.tarjeta-precio p {
  color: var(--color-text-secondary);
  margin: 0.5rem 0 0.25rem;
}

.tarjeta-precio small {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* --- Botón WhatsApp flotante (2.5) --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 9999;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

/* --- Flecha animada en botón CTA (2.2) --- */
.btn--primary .btn-arrow {
  margin-left: 6px;
  animation: bounceDown 1.5s infinite;
}

@keyframes bounceDown {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(4px);
  }
}

/* --- Stepper (formulario por pasos) (2.4) --- */
.stepper-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  margin-bottom: 1rem;
  animation: fadeInStatus 0.4s ease;
}

.stepper-panel legend {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.stepper-panel[hidden] {
  display: none !important;
}

.stepper-prev,
.stepper-next {
  cursor: pointer;
}

/* --- Validación inline: input válido (2.2) --- */
.form-group input:valid:not(:placeholder-shown) {
  border-color: #28a745;
}

.form-group input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: #dc3545;
}

/* --- Página de agradecimiento inline (6.2) --- */
.presupuesto__gracias {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  margin-bottom: 2rem;
}

.presupuesto__gracias h3 {
  color: var(--color-success-text);
}

#ref-presupuesto {
  font-size: 1.5rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

/* --- Ajustes responsive para el stepper (2.4) --- */
@media (max-width: 480px) {
  .stepper-panel {
    padding: 1rem;
  }

  .tarjeta-precio__importe {
    font-size: 2.5rem;
  }
}

/* =========================================================
   18. MEDIA QUERIES
   ========================================================= */

/* Tablets y dispositivos medianos */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 64px;
    right: 16px;
    background-color: var(--color-bg-white);
    padding: 10px;
    border-radius: var(--border-radius-md);
    border: 1px solid #e6e6e6;
    flex-direction: column;
    box-shadow: var(--shadow-md);
  }

  .nav.active {
    display: flex;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero__logo {
    width: 160px;
  }

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

  .container {
    width: 94%;
  }

  .data-table {
    font-size: 0.85rem;
  }

  .data-table th,
  .data-table td {
    padding: 0.6rem 0.5rem;
  }
}

/* Móviles pequeños */
@media (max-width: 480px) {
  .header__contact .phone {
    font-size: 0.95rem;
  }

  .hero {
    padding: 5.5rem 0 4rem;
  }

  section {
    padding: 2.5rem 1rem;
  }

  .footer__updated {
    font-size: 0.85rem;
    padding: var(--spacing-md);
  }
}

/* =========================================================
   19. PRINT STYLES
   ========================================================= */
@media print {

  .header,
  .menu-toggle,
  .hero__ctas,
  .btn,
  .seguimiento-form,
  .cta-final,
  .footer__updated {
    display: none !important;
  }

  .data-table {
    page-break-inside: avoid;
  }

  h2 {
    page-break-after: avoid;
  }

  body {
    background-color: white;
  }
}