/* ==============================================================================
   BARRIO DIGITAL - HOJA DE ESTILOS (style.css)
   ==============================================================================
   Identidad: Barrial y Arte Argentino (Light Theme)
   Estética: Tiza, Chapa Esmaltada, Imprenta Antigua, Taller y Fileteado Porteño
   Arquitectura: CSS Vanilla Moderno, Mobile First, WCAG AAA, 0 dependencias
   ============================================================================== */

/* 1. VARIABLES GLOBALES Y SISTEMA DE DISEÑO */
:root {
  /* Fondos Principales (Luz y Tiza) */
  --bg-main: #F4F1E9;              /* Tiza / Crema barrial */
  --bg-dots: #D2C7AE;              /* Trama de puntos grilla / cuaderno de oficio */
  --bg-surface: #FFFFFF;           /* Blanco puro para tarjetas y módulos */
  --bg-surface-warm: #EFEAE0;      /* Crema suave de contraste secundario */
  --bg-input: #FFFFFF;             /* Fondo inputs */

  /* Acentos de Identidad Nacional & Oficio (Fileteado Porteño) */
  --color-verde: #335743;          /* Verde Mate antiguo (Autoridad, Serenidad) */
  --color-verde-hover: #24402F;
  --color-celeste: #4C7FA8;        /* Celeste Esmalte Sintético (Identidad Federal) */
  --color-celeste-hover: #2F5876;  /* Variante oscura para texto/enlaces (AAA) */
  --color-cta: #C1452C;            /* Rojo Ladrillo / Fileteado (Botones de Conversión) */
  --color-cta-hover: #9E3A24;
  --color-ocre: #C98A1F;           /* Ocre / Dorado Fileteado */
  --color-ocre-hover: #A06B14;     /* Variante oscura para texto (AAA) */

  /* Franja tricolor de identidad (Verde · Ocre · Celeste) — motivo "fileteado" */
  --filete-stripe: linear-gradient(90deg, var(--color-verde) 0 34%, var(--color-ocre) 34% 67%, var(--color-celeste) 67% 100%);

  /* Tipografía y Textos (contraste reforzado sobre --bg-main y --bg-surface) */
  --text-primary: #21272D;         /* Casi negro plomo: máxima legibilidad (AAA) */
  --text-secondary: #3D4750;       /* Gris oscuro para descripciones (AAA ≈ 8.4:1) */
  --text-muted: #59636D;           /* Gris de oficio para notas/etiquetas (AA+) */
  --text-inverse: #F4F1E9;         /* Tiza sobre fondos oscuros (footer) */
  --text-inverse-muted: #C7BEA9;   /* Tiza apagada para textos secundarios del footer */

  /* Bordes: Trazo de Grabado / Imprenta */
  --border-dark: #21272D;          /* Trazo oscuro de fileteado / grabado */
  --border-subtle: #D8D2C0;        /* Divisores tenues tipo papel */
  --border-card: rgba(33, 39, 45, 0.18);

  /* Sombras Sólidas de Chapa e Imprenta (sin blur, "neobrutalismo" sutil) */
  --shadow-press: 0 4px 0 var(--border-dark);         /* Cartel de chapa en reposo */
  --shadow-press-hover: 0 2px 0 var(--border-dark);   /* Estado a mitad de presión */
  --shadow-press-active: 0 0 0 var(--border-dark);    /* Totalmente presionado */

  --shadow-stamp: 6px 6px 0 rgba(33, 39, 45, 0.92);   /* Sello / ticket en reposo */
  --shadow-stamp-sm: 4px 4px 0 rgba(33, 39, 45, 0.88);
  --shadow-stamp-hover: 2px 2px 0 rgba(33, 39, 45, 0.92); /* Sello presionado */

  /* Dimensiones y Escalas */
  --container-max-width: 1200px;
  --header-height: 78px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Transiciones mecánicas ágiles */
  --transition-fast: 0.12s ease;
  --transition-normal: 0.2s cubic-bezier(0.2, 0, 0, 1);

  /* Tipografía */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Escala tipográfica FLUIDA (clamp): rige toda la composición editorial */
  --font-size-xs: clamp(0.75rem, 0.71rem + 0.16vw, 0.83rem);
  --font-size-sm: clamp(0.89rem, 0.85rem + 0.18vw, 0.96rem);
  --font-size-base: clamp(1rem, 0.95rem + 0.24vw, 1.08rem);
  --font-size-lg: clamp(1.1rem, 1.03rem + 0.32vw, 1.22rem);
  --font-size-xl: clamp(1.26rem, 1.16rem + 0.44vw, 1.42rem);
  --font-size-2xl: clamp(1.55rem, 1.35rem + 0.85vw, 1.85rem);
  --font-size-3xl: clamp(1.95rem, 1.6rem + 1.5vw, 2.4rem);

  /* Ritmo vertical fluido entre secciones (ritmo editorial de imprenta) */
  --space-section: clamp(3.5rem, 3rem + 2vw, 5.5rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  /* Base fluida sutil: acompaña la escala tipográfica sin romper previsibilidad */
  font-size: clamp(15.5px, 0.55vw + 13.9px, 17px);
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  background-image: radial-gradient(var(--bg-dots) 1.25px, transparent 1.25px);
  background-size: 22px 22px;
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
}

/* Accesibilidad de foco por teclado: anillo doble (celeste + halo verde) */
:focus-visible {
  outline: 3px solid var(--color-celeste);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(51, 87, 67, 0.22);
  border-radius: 3px;
}

/* Excepción: los botones conservan su sombra de "chapa" y suman el anillo */
.btn:focus-visible {
  outline: 3px solid var(--color-celeste);
  outline-offset: 3px;
  box-shadow: var(--shadow-press), 0 0 0 6px rgba(51, 87, 67, 0.22);
}

/* 3. CONTENEDORES Y ESTRUCTURA */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  padding-right: clamp(1.25rem, 1rem + 1vw, 1.75rem);
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  position: relative;
}

.section-header {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
}

.text-center {
  text-align: center;
}

/* Insignias estilo etiqueta artesanal o chapa esmaltada */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background-color: #FFFFFF;
  border: 1.5px solid var(--color-verde);
  border-radius: var(--radius-full);
  color: var(--color-verde);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 0 var(--color-verde), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

/* Filete tricolor: remate editorial bajo cada título de sección */
.section-title::after {
  content: "";
  display: block;
  width: 62px;
  height: 5px;
  margin-top: 1.1rem;
  border-radius: 3px;
  background: var(--filete-stripe);
}

.text-center .section-title::after {
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 4. BOTONES: ESTILO CARTEL DE CHAPA E IMPRENTA ANTIGUA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: var(--font-size-sm);
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-press), inset 0 1px 0 rgba(255, 255, 255, 0.16);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

/* Sensación física de ser presionados contra la pantalla */
.btn:hover {
  transform: translateY(2px);
  box-shadow: var(--shadow-press-hover), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.btn:active {
  transform: translateY(4px);
  box-shadow: var(--shadow-press-active);
}

/* CTA Primario: Rojo Ladrillo / Fileteado */
.btn-primary {
  background-color: var(--color-cta);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-cta-hover);
  color: #FFFFFF;
}

/* CTA Secundario: Fondo Blanco Imprenta con trazo firme */
.btn-secondary {
  background-color: #FFFFFF;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-main);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: var(--font-size-xs);
  border-width: 1.5px;
  box-shadow: 0 3px 0 var(--border-dark), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.btn-sm:hover {
  transform: translateY(1.5px);
  box-shadow: 0 1.5px 0 var(--border-dark), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.btn-sm:active {
  transform: translateY(3px);
  box-shadow: var(--shadow-press-active);
}

.btn-lg {
  padding: 1.05rem 2.25rem;
  font-size: var(--font-size-base);
}

.btn-full {
  width: 100%;
}

/* 5. ENCABEZADO Y NAVEGACIÓN */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(244, 241, 233, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--border-dark);
}

/* Franja tricolor de identidad en el borde superior del sitio */
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--filete-stripe);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-logo-img {
  width: 36px;
  height: 36px;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 0.25rem 0.15rem;
  position: relative;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: #FFFFFF;
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 0 var(--border-dark);
  cursor: pointer;
  padding: 0.45rem;
  color: var(--text-primary);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.menu-toggle:hover {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2.5px;
  background-color: var(--border-dark);
  margin: 4px 0;
  transition: var(--transition-normal);
}

/* 6. HERO SECTION */
.hero-section {
  padding-top: 4.5rem;
  padding-bottom: 5rem;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-content {
  max-width: 940px;
}

.hero-badge {
  background-color: #FFFFFF;
  border-color: var(--color-verde);
  color: var(--color-verde);
  box-shadow: 0 2px 0 var(--color-verde), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.hero-headline {
  font-size: clamp(2.35rem, 5.2vw, 3.85rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  /* Eco tipográfico sutil: registro de imprenta ligeramente desalineado */
  text-shadow: 3px 3px 0 rgba(193, 69, 44, 0.07);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.hero-trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.75rem;
  padding-top: 2rem;
  border-top: 1.5px solid var(--border-subtle);
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.check-icon {
  color: var(--color-verde);
  flex-shrink: 0;
}

/* 7. TARJETAS: LENGUAJE VISUAL COMPARTIDO "SELLO / CHAPA ESTAMPADA"
   Se unifica el trazo (borde 2px oscuro) y la sombra sólida sin blur en
   todas las tarjetas del sitio para reforzar la identidad de imprenta. */
.problem-card,
.value-card,
.service-card,
.methodology-step,
.portfolio-card,
.testimonial-card,
.client-logo-placeholder,
.faq-item {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-stamp-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.problem-card,
.value-card,
.service-card,
.portfolio-card,
.testimonial-card {
  border-radius: var(--radius-lg);
}

.methodology-step,
.client-logo-placeholder,
.faq-item {
  border-radius: var(--radius-md);
}

/* Sensación mecánica de presión al pasar el mouse / enfocar */
.problem-card:hover,
.value-card:hover,
.service-card:hover,
.methodology-step:hover,
.portfolio-card:hover,
.testimonial-card:hover,
.client-logo-placeholder:hover {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-stamp-hover);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.problem-card, .value-card {
  padding: 2.35rem;
  display: flex;
  flex-direction: column;
}

.card-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.problem-icon {
  background: rgba(193, 69, 44, 0.1);
  color: var(--color-cta);
  border: 1.5px solid rgba(193, 69, 44, 0.3);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.card-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.pillar-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-verde);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 1rem;
}

/* 8. SERVICIOS COMERCIALES */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.service-card:hover {
  border-color: var(--color-verde);
}

/* Remaches de chapa esmaltada en las esquinas superiores (detalle de oficio) */
.service-card::before,
.service-card::after,
.portfolio-card::before,
.portfolio-card::after {
  content: "";
  position: absolute;
  top: 14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFFFFF, rgba(33, 39, 45, 0.35) 72%);
  border: 1px solid rgba(33, 39, 45, 0.4);
  pointer-events: none;
}
.service-card::before, .portfolio-card::before { left: 14px; }
.service-card::after, .portfolio-card::after { right: 14px; }

.service-badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--color-verde);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.service-target {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1.35rem;
}

.service-benefit {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.service-features-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.service-features-list svg {
  color: var(--color-verde);
  flex-shrink: 0;
}

/* 9. METODOLOGÍA */
.methodology-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  position: relative;
}

.methodology-step {
  padding: 2.25rem 1.75rem;
  position: relative;
}

.step-indicator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.step-counter {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-verde);
}

.step-badge {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.step-name {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}

/* 10. PORTFOLIO / CASOS DE ESTUDIO */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  padding: 2.35rem;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  border-color: var(--color-verde);
}

.portfolio-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.portfolio-tag {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-verde);
  background: rgba(51, 87, 67, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(51, 87, 67, 0.25);
}

.portfolio-category {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 600;
}

.portfolio-title {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  line-height: 1.35;
}

.portfolio-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}

.block-label {
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.25rem;
}

.block-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}

.portfolio-result-box {
  background: rgba(76, 127, 168, 0.1);
  border: 1.5px dashed var(--color-celeste);
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-sm);
  margin-top: 0.85rem;
}

.result-label {
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--color-celeste-hover);
  display: block;
  margin-bottom: 0.2rem;
}

.result-text {
  font-size: var(--font-size-xs);
  color: var(--text-primary);
  font-weight: 700;
}

/* 11. CONFIANZA Y TESTIMONIOS */
.trust-logos-wrapper {
  margin-bottom: 3.5rem;
}

.trust-logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.client-logo-placeholder {
  padding: 1.6rem;
  text-align: center;
}

.client-logo-placeholder:hover {
  border-color: var(--color-verde);
}

.logo-name {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--text-primary);
}

.logo-sub {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  padding: 2.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(51, 87, 67, 0.12);
  color: var(--color-verde);
  border: 1.5px solid var(--color-verde);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-base);
  flex-shrink: 0;
}

.author-name {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: 800;
}

.author-role {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* 12. PREGUNTAS FRECUENTES (ACCORDION) */
.faq-container {
  max-width: 860px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item:hover {
  border-color: var(--color-verde);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.35rem 1.6rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-chevron {
  color: var(--color-verde);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-cta);
}

.faq-answer-inner {
  padding: 0 1.6rem 1.5rem 1.6rem;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.65;
}

/* 13. SECCIÓN CONTACTO Y FORMULARIO */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
  background: var(--bg-surface);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-stamp);
  padding: 3.5rem;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.contact-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.contact-title::after {
  content: "";
  display: block;
  width: 62px;
  height: 5px;
  margin-top: 0.9rem;
  margin-bottom: 0.4rem;
  border-radius: 3px;
  background: var(--filete-stripe);
}

.contact-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(51, 87, 67, 0.12);
  color: var(--color-verde);
  border: 1.5px solid var(--color-verde);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
}

.detail-link, .detail-text {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: 700;
}

.detail-link:hover {
  color: var(--color-cta);
}

/* FORMULARIO */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.05rem;
  background-color: var(--bg-input);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-verde);
  box-shadow: 0 0 0 3px rgba(51, 87, 67, 0.22);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2321272D' stroke-width='2.5' 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 1rem center;
  background-size: 1.1em;
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-feedback {
  padding: 1.35rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.55;
  border: 2px solid var(--border-dark);
}

.feedback-success {
  background-color: #E8F1EB;
  border-color: var(--color-verde);
  color: var(--text-primary);
}

/* 14. PIE DE PÁGINA (FOOTER) - ESTILO OFICIO Y SOLIDEZ */
.site-footer {
  background-color: #212A31;
  background-image: var(--filete-stripe);
  background-size: 100% 5px;
  background-repeat: no-repeat;
  background-position: top;
  padding-top: calc(4.5rem + 5px);
  padding-bottom: 2.5rem;
  color: var(--text-inverse);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.brand-col {
  max-width: 360px;
}

.footer-logo {
  margin-bottom: 1.25rem;
  color: var(--text-inverse);
}

.footer-summary {
  font-size: var(--font-size-sm);
  color: var(--text-inverse-muted);
  line-height: 1.65;
}

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--text-inverse);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--text-inverse-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(199, 190, 169, 0.22);
  text-align: center;
}

.copyright-text {
  font-size: var(--font-size-xs);
  color: var(--text-inverse-muted);
}

/* 15. BOTÓN FLOTANTE DE WHATSAPP */
.floating-whatsapp-container {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.floating-whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background-color: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-dark);
  box-shadow: 0 4px 0 var(--border-dark);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp-btn:hover {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--border-dark);
}

.floating-whatsapp-btn:active {
  transform: translateY(4px);
  box-shadow: 0 0 0 var(--border-dark);
}

.whatsapp-tooltip {
  background-color: #FFFFFF;
  border: 2px solid var(--border-dark);
  color: var(--text-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 3px 0 var(--border-dark);
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.floating-whatsapp-container:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* 16. ANIMACIONES Y ESTADOS SCROLL */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 17. PÁGINAS LEGALES (Política de Privacidad / Términos y Condiciones)
   NOTA DEL DESARROLLADOR: estas clases ya se usaban en el HTML de las
   páginas legales pero no tenían reglas propias en el CSS original
   (salvo un bloque .legal-meta corrupto/duplicado). Se agregan aquí
   completas y con la misma identidad visual del resto del sitio. */
.legal-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.legal-container {
  max-width: 860px;
}

.legal-back-nav {
  margin-bottom: 2rem;
}

.legal-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-secondary);
  padding: 0.35rem 0.1rem;
}

.legal-back-link svg {
  transition: transform var(--transition-fast);
}

.legal-back-link:hover {
  color: var(--color-cta);
}

.legal-back-link:hover svg {
  transform: translateX(-3px);
}

.legal-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-stamp);
  padding: clamp(2rem, 1.4rem + 3vw, 3.5rem);
}

.legal-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1.5px dashed var(--border-subtle);
}

.legal-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0.75rem 0 1rem;
}

.legal-title::after {
  content: "";
  display: block;
  width: 62px;
  height: 5px;
  margin-top: 0.9rem;
  margin-bottom: 0.4rem;
  border-radius: 3px;
  background: var(--filete-stripe);
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-muted);
}

.legal-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.legal-content h2 {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--text-primary);
  margin: 2.25rem 0 1.1rem;
  padding-top: 1.5rem;
  border-top: 1.5px solid var(--border-subtle);
}

.legal-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-content p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.15rem;
  /* Composición editorial tipo imprenta: columna justificada */
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}

.legal-content ul,
.legal-content ol {
  margin: 0 0 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.legal-content li {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-content strong {
  color: var(--text-primary);
  font-weight: 800;
}

.legal-content em {
  color: var(--text-secondary);
}

.legal-content a {
  color: var(--color-celeste-hover);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
}

.legal-content a:hover {
  color: var(--color-verde);
}

.legal-callout {
  background-color: var(--bg-surface-warm);
  border: 1.5px solid var(--color-verde);
  border-left: 5px solid var(--color-verde);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.6rem;
  margin-bottom: 2rem;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.65;
}

.legal-callout strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--color-verde);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.04em;
}

.legal-callout-warning {
  border-color: var(--color-ocre);
  border-left-color: var(--color-ocre);
  background-color: #FAF1DD;
}

.legal-callout-warning strong {
  color: var(--color-ocre-hover);
}

.legal-actions-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1.5px dashed var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.legal-nav-switch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 600;
}

/* 18. MEDIA QUERIES (RESPONSIVE DESIGN) */
@media (max-width: 1024px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--bg-main);
    border-bottom: 2px solid var(--border-dark);
    padding: 2rem 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 16px rgba(33, 39, 45, 0.12);
  }

  .site-nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .header-actions .btn {
    display: none;
  }

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

  .hero-trust-badges {
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .whatsapp-tooltip {
    display: none;
  }

  .legal-card {
    padding: 1.75rem;
  }

  .legal-content p {
    text-align: left;
    hyphens: none;
  }

  .legal-actions-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Soporte para preferencias de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}