/* ==========================================================================
   PÉREZ | ABOGADOS — Hoja de Estilos Principal (v3.2 - Master Calibration Edition)
   Sitio Web Oficial: https://www.perezabogados.cl
   Arquitectura: 5 Tokens Oficiales Estrictos, WhatsApp #25D366 Puro, Calibración Total
   ========================================================================== */

/* --- 1. Variables y Tokens de Diseño Oficiales (§15a) --- */
:root {
  /* Paleta Oficial de 5 Colores Estrictos */
  --pa-white: #FFFFFF;
  --pa-paper: #F6F6F4;
  --pa-ink: #141414;
  --pa-imperial: #4A1B4F;
  --pa-muted: rgba(20, 20, 20, 0.65);
  --pa-muted-dark: rgba(255, 255, 255, 0.72);

  /* Superficies y Bordes de Precisión */
  --pa-border: rgba(20, 20, 20, 0.12);
  --pa-border-strong: rgba(20, 20, 20, 0.22);
  --pa-border-dark: rgba(255, 255, 255, 0.16);

  /* Tipografía Oficial */
  --pa-font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --pa-font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Geometría y Espaciados */
  --container-max: 1200px;
  --space-section: clamp(64px, 7vw, 96px);
  --radius-sm: 2px;
  --radius-pill: 9999px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 2. Reseteo y Estándares Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background-color: var(--pa-white);
  color: var(--pa-ink);
  font-family: var(--pa-font-body);
  font-weight: 300;
  font-size: 0.96rem;
  line-height: 1.75;
  letter-spacing: -0.005em;
  overflow-x: hidden;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Enlaces y Accesibilidad */
a {
  color: var(--pa-ink);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

a:hover {
  color: var(--pa-imperial);
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--pa-imperial);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--pa-ink);
  color: var(--pa-white);
  padding: 0.75rem 1.5rem;
  font-family: var(--pa-font-body);
  font-weight: 500;
  font-size: 0.80rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  z-index: 10000;
  border: 1px solid var(--pa-white);
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1.5rem;
}

/* --- 3. Jerarquía Tipográfica Editorial (§15b) --- */
h1, h2, h3, h4, .brand-title {
  color: var(--pa-ink);
  font-family: var(--pa-font-display);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.30rem, 4.6vw, 3.5rem);
  line-height: 1.10;
  margin-bottom: 1.35rem;
}

h2 {
  font-size: clamp(1.80rem, 3.2vw, 2.40rem);
  line-height: 1.18;
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.20rem, 2vw, 1.45rem);
  line-height: 1.28;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.25rem;
}

em, i {
  font-style: italic;
  font-family: var(--pa-font-display);
}

/* Kicker / Eyebrow Oficial con Hairline de 22px (§15j, §15k) */
.kicker, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--pa-imperial);
  text-transform: uppercase;
  margin-bottom: 0.9rem;
  flex-wrap: wrap;
  max-width: 100%;
}

.kicker::before, .eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--pa-imperial);
  flex-shrink: 0;
}

.subtitle {
  font-family: var(--pa-font-body);
  font-weight: 300;
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  line-height: 1.75;
  color: var(--pa-muted);
  margin-bottom: 2rem;
  max-width: 800px;
}

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

.text-center .kicker, .text-center .eyebrow {
  justify-content: center;
}

/* Enlaces con flechas en Púrpura Imperial (§15j, §15k) */
.link-arrow, a.arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--pa-font-body);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pa-imperial);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.link-arrow::after, a.arrow::after {
  content: " →";
  color: var(--pa-imperial);
  font-weight: 600;
  transition: transform var(--transition-fast);
}

.link-arrow:hover, a.arrow:hover {
  color: var(--pa-ink);
  gap: 10px;
}

.link-arrow:hover::after, a.arrow:hover::after {
  transform: translateX(4px);
}

/* Enlaces dentro del texto con énfasis Imperial, negrita y flecha SVG */
.text-link {
  color: var(--pa-imperial) !important;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(74, 27, 79, 0.40);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  display: inline-inline;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.text-link strong {
  color: var(--pa-imperial) !important;
  font-weight: 600;
}

.text-link:hover,
.text-link:focus-visible {
  color: #2F1132 !important;
  text-decoration-color: var(--pa-imperial);
  text-decoration-thickness: 1.5px;
}

.text-link .link-icon,
.text-link svg {
  display: inline-block;
  vertical-align: middle;
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  margin-left: 2px;
  margin-top: -2px;
  stroke: currentColor;
  transition: transform var(--transition-fast);
}

.text-link:hover .link-icon,
.text-link:hover svg {
  transform: translate(1px, -1px);
}

/* Botón de Enlace a Servicio / Hub (Ancho Completo, Elegante) */
.link-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 13px 18px;
  background-color: var(--pa-paper);
  border: 1px solid var(--pa-border);
  color: var(--pa-ink);
  font-family: var(--pa-font-body);
  font-weight: 500;
  font-size: 0.72rem;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

.link-btn span:first-child {
  flex: 1 1 auto;
  color: var(--pa-ink);
  transition: color var(--transition-fast);
}

.link-btn span:last-child {
  color: var(--pa-imperial);
  font-weight: 600;
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.link-btn:hover,
.link-btn:focus-visible {
  background-color: var(--pa-imperial) !important;
  border-color: var(--pa-imperial) !important;
  color: var(--pa-white) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(74, 27, 79, 0.20);
}

.link-btn:hover span:first-child,
.link-btn:focus-visible span:first-child {
  color: var(--pa-white) !important;
}

.link-btn:hover span:last-child,
.link-btn:focus-visible span:last-child {
  color: var(--pa-white) !important;
  transform: translateX(4px);
}

.service-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

/* --- 4. Sistema de Logotipo y Emblema P|A (§15c) --- */
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--pa-ink);
  flex-shrink: 0;
}

.emblem {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--pa-ink);
  padding: 5px 9px;
  height: 38px;
  line-height: 1;
  box-sizing: border-box;
  flex-shrink: 0;
  background: transparent;
  transition: border-color var(--transition-fast);
}

.nav-brand:hover .emblem {
  border-color: var(--pa-imperial);
}

.emblem-p {
  font-family: var(--pa-font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--pa-ink);
  line-height: 1;
}

.emblem-div {
  width: 1px;
  height: 18px;
  background: var(--pa-imperial);
  display: inline-block;
}

.emblem-a {
  font-family: var(--pa-font-display);
  font-weight: 500;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--pa-ink);
  line-height: 1;
}

.brand-text {
  font-family: var(--pa-font-display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  color: var(--pa-ink);
  white-space: nowrap;
}

.brand-sep,
.brand-text .brand-sep {
  color: var(--pa-imperial);
  font-weight: 400;
  margin: 0 3px;
}

/* --- 5. Contenedores y Estructura de Secciones (§14b, §15k) --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  background-color: var(--pa-white);
  color: var(--pa-ink);
  position: relative;
}

.section-paper, .section-alt {
  background-color: var(--pa-paper);
  color: var(--pa-ink);
  border-top: 1px solid var(--pa-border);
  border-bottom: 1px solid var(--pa-border);
}

/* --- 6. Encabezado Fino y Navegación Principal --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pa-border);
  transition: all var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  padding-right: clamp(1.25rem, 3vw, 2.5rem);
  gap: 3rem;
  position: relative;
}

.header-nav-group {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  margin-left: auto;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-link {
  font-family: var(--pa-font-body);
  font-weight: 500;
  font-size: 0.69rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pa-ink);
  padding: 0.4rem 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--pa-imperial);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--pa-imperial);
  transition: width var(--transition-fast);
}

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

.header-cta-desktop {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: 1.5rem;
}

.nav-toggle {
  display: none;
}

.nav-toggle-bars {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 14px;
}

.nav-toggle-bars .bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--pa-ink);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.nav-toggle:hover .nav-toggle-bars .bar {
  background-color: var(--pa-imperial);
}

/* --- 7. Sistema de Botones y WhatsApp Oficial (§15j, §15k) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--pa-font-body);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--pa-ink);
  background: var(--pa-ink);
  color: var(--pa-white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  background-color: var(--pa-imperial);
  border-color: var(--pa-imperial);
  color: var(--pa-white);
  transform: translateY(-1px);
}

.btn-header {
  background: var(--pa-ink);
  color: var(--pa-white);
  border: 1px solid var(--pa-ink);
  padding: 8px 18px;
  font-size: 0.70rem;
  letter-spacing: 0.14em;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.btn-header:hover {
  background: var(--pa-imperial);
  border-color: var(--pa-imperial);
  color: var(--pa-white);
}

.btn-primary {
  background-color: var(--pa-ink);
  color: var(--pa-white);
  border-color: var(--pa-ink);
}

.btn-primary:hover {
  background-color: var(--pa-imperial);
  border-color: var(--pa-imperial);
  color: var(--pa-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--pa-ink);
  border-color: var(--pa-ink);
}

.btn-outline:hover {
  background-color: var(--pa-ink);
  color: var(--pa-white);
}

/* Botones WhatsApp Oficiales (#25D366 Puro con Iluminación Delicada Sin Cambiar Color) */
.btn-whatsapp {
  background-color: #25D366 !important;
  color: #FFFFFF !important;
  border: 1px solid #25D366 !important;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-whatsapp:hover {
  background-color: #25D366 !important;
  border-color: #25D366 !important;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.40);
}

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  z-index: 999;
  background-color: #25D366 !important;
  color: #FFFFFF !important;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.40);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  border: none;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  filter: brightness(1.06);
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.55);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: #FFFFFF !important;
}

.whatsapp-card-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 13px 20px;
  background-color: #25D366 !important;
  color: #FFFFFF !important;
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid #25D366 !important;
  transition: all var(--transition-fast);
}

.whatsapp-card-cta:hover {
  background-color: #25D366 !important;
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

.whatsapp-card-cta svg {
  width: 20px;
  height: 20px;
  fill: #FFFFFF !important;
  flex-shrink: 0;
}

/* --- 8. Hero Principal y Barra de Credibilidad Sobria (§15e) --- */
.hero-block {
  padding-top: clamp(56px, 7vw, 96px);
  padding-bottom: clamp(48px, 6vw, 80px);
  background-color: var(--pa-white);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1.04rem, 1.7vw, 1.20rem);
  max-width: 800px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 3.5rem;
}

/* Barra de Credibilidad Institucional Calibrada */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin-top: 3.5rem;
  align-items: stretch;
}

.trust-item {
  background: var(--pa-white);
  border: 1px solid var(--pa-border);
  border-top: 2px solid var(--pa-imperial);
  padding: 1.25rem 1.4rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 84px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.trust-item:hover {
  transform: translateY(-2px);
  border-color: var(--pa-border-strong);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.trust-item strong {
  display: block;
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pa-imperial);
  margin-bottom: 0.35rem;
}

.trust-item span {
  display: block;
  font-family: var(--pa-font-body);
  font-weight: 400;
  font-size: 0.88rem;
  color: var(--pa-ink);
  line-height: 1.4;
  white-space: nowrap;
}

/* Breadcrumbs */
.breadcrumbs {
  font-family: var(--pa-font-body);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pa-muted);
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs a {
  color: var(--pa-muted);
}

.breadcrumbs a:hover {
  color: var(--pa-imperial);
}

.breadcrumbs span[aria-hidden="true"] {
  color: var(--pa-imperial);
}

/* --- 9. Tarjetas de Áreas de Práctica (Fondo Blanco sobre Gris Papel) --- */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background-color: var(--pa-white);
  color: var(--pa-ink);
  border: 1px solid var(--pa-border);
  border-top: 3px solid var(--pa-imperial);
  padding: 2.5rem 2.25rem 2.25rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-normal);
  min-width: 0;
}

.service-card:hover {
  border-color: var(--pa-ink);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.06);
}

.service-card-header {
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--pa-border);
  min-height: 2.2rem;
  display: flex;
  align-items: center;
}

.service-card .kicker {
  color: var(--pa-imperial);
  margin-bottom: 0;
  white-space: nowrap;
}

.service-card .kicker::before {
  background: var(--pa-imperial);
}

.service-card h3 {
  font-size: 1.45rem;
  margin-bottom: 1rem;
  color: var(--pa-ink);
  min-height: 2.2rem;
  display: flex;
  align-items: flex-start;
}

.service-card p {
  color: #444444;
  font-size: 0.92rem;
  line-height: 1.75;
  flex-grow: 1;
  margin-bottom: 2rem;
}

.service-card-footer {
  padding-top: 0.5rem;
}

/* --- 10. Sección de Cobertura Regional (Elegante sobre Fondo Blanco) --- */
.authority-section {
  background-color: var(--pa-white);
  color: var(--pa-ink);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  position: relative;
  border-top: 1px solid var(--pa-border);
  border-bottom: 1px solid var(--pa-border);
}

.authority-header {
  max-width: 860px;
  margin: 0 auto 3.5rem auto;
  text-align: center;
}

.authority-header h2 {
  font-size: clamp(2rem, 3.8vw, 2.7rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: var(--pa-ink);
}

.authority-header .subtitle {
  margin: 0 auto;
  color: var(--pa-muted);
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.25rem;
  max-width: 1000px;
  margin: 0 auto;
}

.hub-card {
  background: var(--pa-paper);
  border: 1px solid var(--pa-border);
  border-top: 3px solid var(--pa-imperial);
  padding: 2.5rem 2.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
  min-width: 0;
}

.hub-card:hover {
  border-color: var(--pa-ink);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.hub-kicker {
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--pa-imperial);
  margin-bottom: 0.5rem;
}

.hub-card h3 {
  font-size: 1.50rem;
  color: var(--pa-ink);
  margin-bottom: 0.75rem;
}

.hub-card p {
  color: #444444;
  font-size: 0.92rem;
  line-height: 1.70;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.hub-features {
  list-style: none;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--pa-border);
}

.hub-features li {
  font-size: 0.86rem;
  color: var(--pa-ink);
  margin-bottom: 0.45rem;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.55;
}

.hub-features li::before {
  content: "•";
  color: var(--pa-imperial);
  font-size: 1.1rem;
  line-height: 1.25;
  flex-shrink: 0;
}

.hub-card .btn {
  width: 100%;
}

/* --- 11. Framework de FAQs Duales (Cabecera Iluminada en Imperial + Cuerpo Blanco) --- */
.faq-accordion {
  margin-top: 3rem;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  background-color: var(--pa-white) !important;
  border: 1px solid var(--pa-border);
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--pa-imperial);
  box-shadow: 0 8px 24px rgba(74, 27, 79, 0.08);
}

.faq-item summary {
  font-family: var(--pa-font-display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--pa-ink);
  background-color: var(--pa-white);
  padding: 1.35rem 1.8rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--pa-font-body);
  font-weight: 300;
  font-size: 1.6rem;
  color: var(--pa-imperial);
  line-height: 1;
  transition: color var(--transition-fast);
}

/* Al pasar el cursor sobre la pregunta: se ilumina completa la cabecera en Púrpura Imperial */
.faq-item summary:hover,
.faq-item:hover summary {
  background-color: var(--pa-imperial) !important;
  color: var(--pa-white) !important;
}

.faq-item summary:hover::after,
.faq-item:hover summary::after {
  color: var(--pa-white) !important;
}

/* Al abrir: la cabecera de la pregunta se mantiene iluminada en Púrpura Imperial */
.faq-item[open] summary {
  background-color: var(--pa-imperial) !important;
  color: var(--pa-white) !important;
  border-bottom: 1px solid var(--pa-border);
}

.faq-item[open] summary::after {
  content: "−";
  color: var(--pa-white) !important;
}

/* El cuerpo de la respuesta: fondo blanco limpio sin barras laterales */
.faq-answer {
  background-color: var(--pa-white) !important;
  padding: 1.5rem 1.8rem 1.75rem 1.8rem;
}

.answer-first {
  font-family: var(--pa-font-body);
  font-weight: 400;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #222222 !important;
  margin-bottom: 1.25rem;
  border-left: none !important;
  padding: 0 !important;
  background: transparent !important;
}

.faq-structured-list {
  padding-left: 1.5rem;
  color: #444444 !important;
  font-size: 0.88rem;
  line-height: 1.75;
}

.faq-structured-list li {
  margin-bottom: 0.45rem;
}

.faq-structured-list strong {
  color: var(--pa-ink) !important;
  font-weight: 600;
}

.faq-contextual {
  font-size: 0.86rem;
  margin-top: 1.25rem;
  color: var(--pa-muted) !important;
}

.faq-contextual a {
  color: var(--pa-imperial) !important;
  font-weight: 600;
  text-decoration: underline;
}

/* --- 12. Sección de Contacto (Sidebar + Mapa + Formulario Calibrado) --- */
.contacto-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  background-color: var(--pa-paper);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 2.5rem;
  align-items: start;
  margin-top: 3rem;
}

/* Sidebar Institucional con Mapa */
.contact-sidebar {
  background: var(--pa-white);
  border: 1px solid var(--pa-border);
  border-top: 3px solid var(--pa-imperial);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
}

.map-frame {
  width: 100%;
  height: 220px;
  background: var(--pa-paper);
  border-bottom: 1px solid var(--pa-border);
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.sidebar-body {
  padding: 2rem;
}

.sidebar-heading {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--pa-ink);
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-info-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  fill: var(--pa-imperial);
}

.contact-info-item h4 {
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pa-imperial);
  margin-bottom: 0.2rem;
}

.contact-info-item p,
.contact-info-item a {
  font-size: 0.90rem;
  color: var(--pa-ink);
  line-height: 1.5;
}

.contact-info-item a:hover {
  color: var(--pa-imperial);
}

/* Contenedor del Formulario */
.contact-form-wrapper {
  background: var(--pa-white);
  border: 1px solid var(--pa-border);
  border-top: 3px solid var(--pa-imperial);
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
}

.contact-form-wrapper h3 {
  font-size: 1.50rem;
  margin-bottom: 0.5rem;
  color: var(--pa-ink);
}

.contact-form-wrapper .form-subtitle {
  font-size: 0.92rem;
  color: var(--pa-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 1.5rem;
}

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

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

.form-group label {
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.70rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pa-ink);
  white-space: nowrap;
  min-height: 1.15rem;
  display: flex;
  align-items: center;
}

/* Todos los inputs y selects comparten exactamente el mismo alto, padding, border y box-sizing */
input.form-control,
select.form-control {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  font-family: var(--pa-font-body);
  font-weight: 300;
  font-size: 0.90rem;
  color: var(--pa-ink);
  background-color: var(--pa-white);
  border: 1px solid var(--pa-border-strong);
  border-radius: var(--radius-sm);
  box-sizing: border-box;
  transition: all var(--transition-fast);
}

/* Custom Select perfectamente alineado a la misma altura y bordes */
select.form-control {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234A1B4F' 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: calc(100% - 14px) center;
  background-size: 12px;
  padding-right: 36px;
  cursor: pointer;
}

input.form-control:focus,
select.form-control:focus,
textarea.form-control:focus {
  outline: none;
  border-color: var(--pa-imperial);
  box-shadow: 0 0 0 2px rgba(74, 27, 79, 0.15);
}

textarea.form-control {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--pa-font-body);
  font-weight: 300;
  font-size: 0.90rem;
  color: var(--pa-ink);
  background-color: var(--pa-white);
  border: 1px solid var(--pa-border-strong);
  border-radius: var(--radius-sm);
  box-sizing: border-box;
  min-height: 110px;
  resize: vertical;
  transition: all var(--transition-fast);
}

.btn-submit {
  background-color: var(--pa-paper);
  border: 1px solid var(--pa-border-strong);
  color: var(--pa-ink);
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 13px 28px;
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-submit:hover {
  background-color: var(--pa-imperial);
  border-color: var(--pa-imperial);
  color: var(--pa-white);
  transform: translateY(-1px);
}

.form-note {
  font-size: 0.78rem;
  color: var(--pa-muted);
  line-height: 1.5;
  margin-top: 0.75rem;
}

.form-error {
  background-color: #FFF1F0;
  border: 1px solid #FFA39E;
  color: #CF1322;
  padding: 0.75rem 1rem;
  font-size: 0.84rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
}

/* --- 13. Pie de Página Institucional (.site-footer) --- */
.site-footer {
  background-color: var(--pa-ink);
  color: var(--pa-white);
  padding-top: clamp(48px, 6vw, 72px);
  padding-bottom: 40px;
  border-top: 3px solid var(--pa-imperial);
  margin-top: auto;
}

.footer-brand-block {
  text-align: center;
  padding-bottom: 2.25rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand-link {
  display: inline-block;
  margin-bottom: 0.85rem;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.footer-brand-link:hover {
  opacity: 0.90;
  transform: translateY(-2px);
}

.footer-brand-logo {
  display: inline-block;
  width: 155px;
  max-width: 100%;
  height: auto;
  margin-bottom: 0.25rem;
}

.footer-brand-tagline {
  max-width: 600px;
  margin: 0 auto;
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72) !important;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.72) !important;
  font-size: 0.88rem;
  line-height: 1.75;
}

.site-footer strong {
  color: var(--pa-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--pa-white);
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  font-family: var(--pa-font-body);
  font-weight: 300;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.70);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--pa-white);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--pa-border-dark);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.50);
}

.footer-disclaimer {
  font-size: 0.74rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 1.5rem;
}

/* --- 14. Responsive y Dispositivos Móviles --- */
@media (min-width: 992px) {
  .nav-toggle {
    display: none !important;
  }
  .header-nav-group {
    display: flex !important;
  }
  .mobile-menu-cta {
    display: none !important;
  }
}

@media (max-width: 1150px) and (min-width: 992px) {
  .header-nav-group {
    gap: 1.5rem;
  }
  .main-nav {
    gap: 1.25rem;
  }
  .nav-link {
    font-size: 0.68rem;
    letter-spacing: 0.10em;
  }
}

@media (max-width: 991px) {
  .header-container {
    height: 64px;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .header-nav-group .header-cta-desktop {
    display: none !important;
  }

  .nav-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--pa-paper);
    border: 1px solid var(--pa-border-strong);
    color: var(--pa-ink);
    font-size: 1.35rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    line-height: 1;
    padding: 0;
  }

  .nav-toggle:hover {
    background: var(--pa-paper);
    border-color: var(--pa-imperial);
    color: var(--pa-imperial);
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background-color: var(--pa-white);
    flex-direction: column;
    padding: 1.5rem 1.5rem 2rem 1.5rem;
    gap: 0.5rem;
    border-bottom: 3px solid var(--pa-imperial);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.15);
    z-index: 9999;
  }

  .main-nav.is-open {
    display: flex !important;
  }

  .main-nav .nav-link {
    width: 100%;
    padding: 0.85rem 0;
    font-size: 0.84rem;
    letter-spacing: 0.12em;
    border-bottom: 1px solid var(--pa-border);
  }

  .main-nav .mobile-menu-cta {
    display: block !important;
    width: 100%;
    margin-top: 1.25rem;
  }

  .main-nav .mobile-menu-cta .btn {
    display: flex !important;
    width: 100%;
    justify-content: center;
    text-align: center;
    background: var(--pa-ink);
    color: var(--pa-white);
    padding: 14px;
    font-size: 0.78rem;
  }

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

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

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.25rem 2rem;
  }
}

@media (max-width: 580px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-row .btn {
    width: 100%;
  }

  .whatsapp-float span {
    display: none;
  }

  .whatsapp-float {
    padding: 0.80rem;
    bottom: 1.5rem;
    right: 1.5rem;
  }
}

@media (max-width: 480px) {
  .brand-text {
    font-size: 0.88rem;
    letter-spacing: 0.10em;
  }
  .emblem {
    height: 28px;
    padding: 2px 5px;
  }
  .emblem-p, .emblem-a {
    font-size: 0.95rem;
  }
  .emblem-div {
    height: 12px;
  }
  .hero-block h1 {
    font-size: 1.85rem;
    line-height: 1.15;
  }
}


/* --- 15. Componentes de Páginas Interiores y Tablas Comparativas (§15f, §15g) --- */
.card-glass {
  background-color: var(--pa-white);
  border: 1px solid var(--pa-border);
  border-top: 3px solid var(--pa-imperial);
  padding: 2.25rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.card-glass h3 {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
  color: var(--pa-ink);
}

.card-glass p {
  color: #444444;
  font-size: 0.92rem;
  line-height: 1.75;
}

.subtitle-secondary {
  font-family: var(--pa-font-body);
  font-weight: 500;
  font-size: 1.02rem;
  color: var(--pa-imperial);
  line-height: 1.65;
  margin-top: -1rem;
  margin-bottom: 2rem;
}

/* Listas Metodológicas y de Riesgo Estructuradas (Flujo de Texto Natural) */
.process-list {
  list-style: none;
  padding: 0;
  counter-reset: p-counter;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 2rem 0;
}

.process-list li {
  position: relative;
  padding-left: 2.75rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #333333;
}

.process-list li::before {
  counter-increment: p-counter;
  content: counter(p-counter);
  position: absolute;
  left: 0;
  top: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--pa-paper);
  border: 1px solid var(--pa-imperial);
  color: var(--pa-imperial);
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.74rem;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.process-list li strong {
  color: var(--pa-ink);
  font-weight: 600;
}

.risk-list, .features-list, ul.content-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.90rem;
  margin: 1.75rem 0;
}

.risk-list li, .features-list li, ul.content-list li {
  position: relative;
  padding-left: 1.60rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #333333;
}

.risk-list li::before, .features-list li::before, ul.content-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--pa-imperial);
  font-size: 1.35rem;
  line-height: 1.75;
}

.risk-list li strong, .features-list li strong, ul.content-list li strong {
  color: var(--pa-ink);
  font-weight: 600;
}

/* Tablas Comparativas y Forenses */
.tabla-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 2rem 0;
  border: 1px solid var(--pa-border);
  border-top: 3px solid var(--pa-imperial);
  border-radius: var(--radius-sm);
  background: var(--pa-white);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
}

table.tabla-legal {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
  line-height: 1.6;
}

table.tabla-legal th {
  background-color: var(--pa-ink);
  color: var(--pa-white);
  font-family: var(--pa-font-body);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 18px;
  border-bottom: 2px solid var(--pa-imperial);
  white-space: nowrap;
}

table.tabla-legal td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--pa-border);
  color: #333333;
}

table.tabla-legal tbody tr:nth-child(even) {
  background-color: var(--pa-paper);
}

table.tabla-legal tbody tr:hover {
  background-color: #FAF6FB;
}

table.tabla-legal td strong {
  color: var(--pa-ink);
  font-weight: 600;
}

/* --- 16. Banda Cinematográfica en Video (Loop WebM/MP4 + Overlay) --- */
.video-strip {
  position: relative;
  height: clamp(340px, 42vw, 420px);
  overflow: hidden;
  background-color: var(--pa-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.video-strip video,
.video-strip img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0.38;
  filter: grayscale(0.40) brightness(0.85) contrast(1.10);
  pointer-events: none;
}

.video-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--pa-white);
}

.video-overlay .kicker {
  color: var(--pa-white) !important;
  margin-bottom: 1.25rem;
}

.video-overlay .kicker::before {
  background: var(--pa-imperial) !important;
}

.video-quote {
  font-family: var(--pa-font-display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(1.35rem, 2.8vw, 1.95rem);
  line-height: 1.35;
  color: var(--pa-white);
  display: block;
  max-width: 860px;
  margin: 0 auto 1.25rem auto;
  quotes: none;
}

.video-quote::before,
.video-quote::after {
  content: none !important;
}

.video-cite .brand-sep {
  color: var(--pa-imperial) !important;
  margin: 0 0.35rem;
  font-weight: 400;
}

.video-cite {
  font-family: var(--pa-font-body);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  font-style: normal;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .video-strip video {
    display: none;
  }
}

/* --- Bloque de Citas Institucionales Autoritativas (AEO / GEO) --- */
blockquote.institutional-quote {
  margin: 2rem 0;
  padding: 1.25rem 1.75rem;
  background-color: var(--pa-surface-alt, #f8fafc);
  border-left: 3px solid var(--pa-imperial, #1b365d);
  border-radius: 0 var(--radius-sm, 4px) var(--radius-sm, 4px) 0;
}

blockquote.institutional-quote p {
  font-family: var(--pa-font-display, "Playfair Display", Georgia, serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--pa-ink, #0f172a);
  margin-bottom: 0.75rem;
}

blockquote.institutional-quote cite {
  font-family: var(--pa-font-body, "Montserrat", sans-serif);
  font-style: normal;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pa-imperial, #1b365d);
  display: block;
}