/* ==========================================================================
   ENCARDOMY — SISTEMA DE DISEÑO OFICIAL
   Identidad visual: #2D7FF9, #123B6A, #FFFFFF, #31C98D, #40464F, #EEF2F7, #DCEEFF
   Tipografías: Sora (Encabezados) & Inter (Cuerpo)
   Cuadrícula estricta de 8px | Mobile-First | WCAG AA
   ========================================================================== */

:root {
  /* Paleta Oficial Encardomy */
  --color-primary: #2D7FF9;        /* Azul Eléctrico (Acción, CTA, Progreso) */
  --color-primary-dark: #1b63cc;   /* Azul Eléctrico Oscurecido */
  --color-primary-light: #5ba0fc;  /* Azul Eléctrico Aclarado */
  --color-navy: #123B6A;           /* Azul Marino (Encabezados, Títulos) */
  --color-navy-dark: #0b2544;      /* Azul Marino Profundo */
  --color-white: #FFFFFF;          /* Blanco Puro (Fondos dominantes) */
  --color-success: #31C98D;        /* Verde Menta (Éxito, Verificación Humana) */
  --color-success-light: #e6f9f2;  /* Fondo Verde Menta Muy Claro */
  --color-text-dark: #40464F;      /* Gris Grafito (Texto regular y párrafos) */
  --color-text-muted: #67717e;     /* Gris Medio (Subtítulos, metadatos) */
  --color-bg-light: #EEF2F7;       /* Superficie Clara (Tarjetas, inputs) */
  --color-bg-subtle: #F7F9FC;      /* Fondo ultra suave */
  --color-blue-tint: #DCEEFF;      /* Azul Muy Claro (Pills, badges activos) */
  --color-border: #E1E7F0;         /* Bordes de tarjetas y separadores */
  --color-border-focus: #2D7FF9;   /* Borde de foco accesible */

  /* Categorías */
  --cat-crear: #7C3AED;
  --cat-mejorar: #2D7FF9;
  --cat-disenar: #EC4899;
  --cat-estudiar: #31C98D;
  --cat-proyectos: #F59E0B;

  /* Tipografías */
  --font-heading: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Espaciado del Sistema de 8px */
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;
  --space-96: 96px;

  /* Radios de Borde */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sombras y Elevaciones */
  --shadow-sm: 0 2px 6px rgba(18, 59, 106, 0.05);
  --shadow-md: 0 8px 20px rgba(18, 59, 106, 0.08);
  --shadow-lg: 0 16px 36px rgba(18, 59, 106, 0.12);
  --shadow-primary: 0 8px 24px rgba(45, 127, 249, 0.28);
  --shadow-success: 0 8px 24px rgba(49, 201, 141, 0.25);

  /* Transiciones */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);

  /* Máximo ancho contenedor */
  --container-max: 1200px;
  --container-narrow: 840px;
}

/* ==========================================================================
   RESET Y BASE ACCESIBLE
   ========================================================================== */

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

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

/* Jerarquía Tipográfica */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
}

h4 {
  font-size: 1.15rem;
}

p {
  color: var(--color-text-dark);
  font-size: 1.02rem;
  line-height: 1.65;
}

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

.text-navy {
  color: var(--color-navy);
}

.text-primary {
  color: var(--color-primary);
}

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

/* ==========================================================================
   LAYOUT Y CONTENEDORES
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-24);
  padding-right: var(--space-24);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-24);
  padding-right: var(--space-24);
}

.section-padding {
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
}

@media (min-width: 768px) {
  .section-padding {
    padding-top: var(--space-80);
    padding-bottom: var(--space-80);
  }
}

.bg-surface {
  background-color: var(--color-bg-light);
}

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

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

.bg-navy h1, .bg-navy h2, .bg-navy h3, .bg-navy h4, .bg-navy p {
  color: var(--color-white);
}

/* ==========================================================================
   ENCABEZADO DE NAVEGACIÓN GLOBAL
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-navy);
  letter-spacing: -0.03em;
}

.logo-symbol {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: var(--shadow-primary);
}

.logo-tagline {
  display: none;
  font-size: 0.72rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@media (min-width: 992px) {
  .logo-tagline {
    display: inline-block;
  }
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-32);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy);
  padding: var(--space-8) 0;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.menu-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  cursor: pointer;
}

@media (min-width: 900px) {
  .menu-toggle-btn {
    display: none;
  }
}

/* Menú Móvil Lateral / Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background-color: var(--color-white);
  z-index: 1100;
  box-shadow: -8px 0 32px rgba(18, 59, 106, 0.2);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  padding: var(--space-24);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 59, 106, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-24);
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  list-style: none;
}

.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-12, 12px) var(--space-16);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-navy);
  background-color: var(--color-bg-light);
  min-height: 48px;
}

.drawer-link:hover, .drawer-link.active {
  background-color: var(--color-blue-tint);
  color: var(--color-primary);
}

/* ==========================================================================
   BOTONES Y ELEMENTOS DE ACCIÓN (MÍNIMO 44PX WCAG)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  min-height: 48px;
  padding: var(--space-12, 12px) var(--space-24);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-border);
}

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

.btn-success {
  background-color: var(--color-success);
  color: var(--color-white);
  box-shadow: var(--shadow-success);
}

.btn-success:hover {
  background-color: #27aa77;
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-navy {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn-navy:hover {
  background-color: var(--color-navy-dark);
  color: var(--color-white);
}

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

.btn-outline-primary:hover {
  background-color: var(--color-blue-tint);
}

.btn-lg {
  min-height: 54px;
  padding: var(--space-16) var(--space-32);
  font-size: 1.05rem;
}

.btn-sm {
  min-height: 44px;
  padding: var(--space-8) var(--space-16);
  font-size: 0.88rem;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   BADGES, PILLS Y ETIQUETAS
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: var(--color-blue-tint);
  color: var(--color-primary);
  border: 1px solid rgba(45, 127, 249, 0.2);
}

.badge-success {
  background-color: var(--color-success-light);
  color: #178a5b;
  border: 1px solid rgba(49, 201, 141, 0.3);
}

.badge-navy {
  background-color: #e9eff6;
  color: var(--color-navy);
}

.badge-warning {
  background-color: #fff6e5;
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Categorías */
.badge-cat-crear {
  background-color: #f3e8ff;
  color: #6b21a8;
}

.badge-cat-mejorar {
  background-color: var(--color-blue-tint);
  color: var(--color-primary);
}

.badge-cat-disenar {
  background-color: #fce7f3;
  color: #be185d;
}

.badge-cat-estudiar {
  background-color: var(--color-success-light);
  color: #15803d;
}

.badge-cat-proyectos {
  background-color: #fef3c7;
  color: #b45309;
}

/* Placeholder Explícito Badge */
.badge-placeholder {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px dashed #f87171;
  font-size: 0.74rem;
}

/* ==========================================================================
   TARJETAS Y MÓDULOS (8PX GRID & CARDS)
   ========================================================================== */

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(45, 127, 249, 0.3);
}

.card-clickable {
  cursor: pointer;
}

.card-clickable:hover {
  transform: translateY(-3px);
}

.card-highlight {
  border-top: 4px solid var(--color-primary);
}

.card-success {
  border-top: 4px solid var(--color-success);
}

/* ==========================================================================
   BANNER DE PROCESO (IA + REVISIÓN HUMANA VERIFICADA)
   ========================================================================== */

.process-banner {
  background: linear-gradient(135deg, #f0f7ff 0%, #e6f9f2 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-32);
  margin-bottom: var(--space-48);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.process-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  background: var(--color-white);
  padding: var(--space-24);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.process-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-heading);
}

.process-icon-ai {
  background: var(--color-blue-tint);
  color: var(--color-primary);
}

.process-icon-human {
  background: var(--color-success-light);
  color: var(--color-success);
}

.process-icon-deliver {
  background: #e9eff6;
  color: var(--color-navy);
}

/* ==========================================================================
   SECCIÓN DE 15 PASOS / METODOLOGÍA PRODUCTO
   ========================================================================== */

.product-hero {
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
  background: radial-gradient(circle at top right, #eaf3ff 0%, #ffffff 70%);
  border-bottom: 1px solid var(--color-border);
}

.product-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
  align-items: center;
}

@media (min-width: 900px) {
  .product-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-quick-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-32);
  box-shadow: var(--shadow-lg);
}

.product-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-12, 12px);
  margin-bottom: var(--space-16);
}

.section-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--color-navy);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Tarjeta de Placeholder Explícito */
.placeholder-box {
  background-color: #fafbfc;
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-12, 12px);
}

.placeholder-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-light);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Visual Mockup & Unboxing */
.unboxing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

@media (min-width: 600px) {
  .unboxing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .unboxing-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.unboxing-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-20, 20px);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  border-left: 4px solid var(--color-primary);
}

/* Comparativa & Diferenciador */
.diff-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
}

.diff-table th, .diff-table td {
  padding: var(--space-16);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.diff-table th {
  background-color: var(--color-bg-light);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
}

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

.diff-table tr.highlight-row {
  background-color: var(--color-blue-tint);
}

/* Acordeón de Preguntas Frecuentes FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  padding: var(--space-20, 20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  min-height: 48px;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 var(--space-20, 20px);
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: var(--space-20, 20px);
}

/* ==========================================================================
   MODAL / DRAWER DE COTIZACIÓN Y COMPRA RÁPIDA (WHATSAPP INTEGRADO)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 59, 106, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-32);
  box-shadow: 0 24px 48px rgba(18, 59, 106, 0.3);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-fast);
}

.modal-backdrop.open .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: var(--space-20, 20px);
  right: var(--space-20, 20px);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-bg-light);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dark);
}

.form-group {
  margin-bottom: var(--space-16);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-8);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-12, 12px) var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.98rem;
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  min-height: 48px;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  background-color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-blue-tint);
  outline: none;
}

.form-textarea {
  min-height: 90px;
  resize: vertical;
}

/* ==========================================================================
   BARRA FLOTANTE MÓVIL (MOBILE QUICK-BAR)
   ========================================================================== */

.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12, 12px) var(--space-16);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12, 12px);
  z-index: 990;
  box-shadow: 0 -4px 16px rgba(18, 59, 106, 0.08);
}

@media (min-width: 900px) {
  .mobile-bottom-bar {
    display: none;
  }
}

/* ==========================================================================
   CATÁLOGO & FILTROS
   ========================================================================== */

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-bottom: var(--space-32);
}

.filter-btn {
  background-color: var(--color-bg-light);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tarjeta de Servicio en Catálogo */
.service-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  transition: all var(--transition-fast);
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-16);
}

.service-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-blue-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   FOOTER GLOBAL
   ========================================================================== */

.site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding-top: var(--space-64);
  padding-bottom: var(--space-48);
  margin-top: auto;
  border-top: 1px solid var(--color-navy-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-40);
  margin-bottom: var(--space-48);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-16);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-12, 12px);
}

.footer-links a {
  color: #b0c6e0;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-32);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  align-items: center;
  text-align: center;
  font-size: 0.88rem;
  color: #9cb5d3;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ==========================================================================
   UTILIDADES & DETALLES
   ========================================================================== */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
}

@media (min-width: 600px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-8 { gap: var(--space-8); }
.gap-16 { gap: var(--space-16); }
.gap-24 { gap: var(--space-24); }
.gap-32 { gap: var(--space-32); }

.mt-16 { margin-top: var(--space-16); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }
.mt-48 { margin-top: var(--space-48); }

.mb-16 { margin-bottom: var(--space-16); }
.mb-24 { margin-bottom: var(--space-24); }
.mb-32 { margin-bottom: var(--space-32); }
.mb-48 { margin-bottom: var(--space-48); }

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

/* Grid de formulario compacto para dos columnas lado a lado (Grupo y Sección) */
.grid-2-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

@media (max-width: 480px) {
  .grid-2-form {
    gap: var(--space-12, 12px);
  }
}


/* ==========================================================================
   CAMPOS DINÁMICOS Y PERSONALIZACIÓN AVANZADA DE SERVICIOS
   ========================================================================== */

.service-dynamic-panel {
  background: linear-gradient(180deg, #f7faff 0%, #ffffff 100%);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20, 20px);
  margin-top: var(--space-16);
  margin-bottom: var(--space-20, 20px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.service-dynamic-panel.active {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(45, 127, 249, 0.12);
}

.service-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-12, 12px);
  border-bottom: 1px solid var(--color-border);
}

.service-panel-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-tip {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.form-tip strong {
  color: var(--color-navy);
}

.grid-4-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-12, 12px);
}

@media (min-width: 580px) {
  .grid-4-form {
    grid-template-columns: repeat(4, 1fr);
  }
}

.fc-counter-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-white);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-top: 8px;
  font-size: 0.86rem;
}

.fc-badge {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.76rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.fc-badge-ok {
  background: var(--color-success-light);
  color: #167a50;
  border: 1px solid rgba(49, 201, 141, 0.4);
}

.fc-badge-warn {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.fc-badge-err {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.ecosystem-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: #eef5ff;
  border: 1px solid rgba(45, 127, 249, 0.25);
  font-size: 0.76rem;
  color: var(--color-navy);
  font-weight: 600;
}


/* ==========================================================================
   CONFIGURADOR INTERACTIVO DE IMPRESIONES ESTILO APPLE & WIDGET FLOTANTE
   ========================================================================== */

/* Secciones del configurador estilo Apple */
.apple-config-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-32);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-48);
}

.apple-step-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-16);
}

.apple-step-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  flex-shrink: 0;
}

.apple-grid-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
  margin-bottom: var(--space-24);
}

@media (min-width: 640px) {
  .apple-grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .apple-grid-cards-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tarjeta interactiva estilo Apple */
.apple-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20, 20px);
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  user-select: none;
}

.apple-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.apple-card.selected {
  border-color: var(--color-primary);
  background-color: #f4f8ff;
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-primary);
}

.apple-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-blue-tint);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.apple-card.selected .apple-card-badge {
  background: var(--color-primary);
  color: var(--color-white);
}

.apple-card-header {
  margin-bottom: var(--space-12, 12px);
  padding-right: 60px;
}

.apple-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.apple-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.apple-card-price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-top: var(--space-12, 12px);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.apple-card-price span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.apple-card-check {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: transparent;
  transition: all var(--transition-fast);
}

.apple-card.selected .apple-card-check {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* Selector de hojas numérico */
.counter-box {
  display: inline-flex;
  align-items: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
}

.counter-btn {
  width: 44px;
  height: 44px;
  background: var(--color-bg-light);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.counter-btn:hover {
  background: var(--color-blue-tint);
  color: var(--color-primary);
}

.counter-input {
  width: 70px;
  height: 44px;
  border: none;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-navy);
  outline: none;
}

/* Panel de desglose de precio Apple Style */
.price-summary-card {
  background: linear-gradient(135deg, #f7faff 0%, #eef5ff 100%);
  border: 2px solid var(--color-border-focus);
  border-radius: var(--radius-xl);
  padding: var(--space-24);
  box-shadow: var(--shadow-md);
}

.price-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--color-text-dark);
  border-bottom: 1px dashed var(--color-border);
}

.price-summary-row.highlight {
  color: var(--color-success);
  font-weight: 700;
}

.price-summary-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: var(--space-16);
  margin-top: var(--space-8);
}

.price-big-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-navy);
}

/* Tarjetas de Horarios y Puntos de Entrega */
.schedule-pill {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-16);
  display: flex;
  gap: var(--space-12, 12px);
  align-items: flex-start;
  margin-bottom: var(--space-12, 12px);
  border-left: 4px solid var(--color-primary);
}

.schedule-pill.auditorio {
  border-left-color: var(--color-primary);
  background: #f8fbff;
}

.schedule-pill.biblioteca {
  border-left-color: #31C98D;
  background: #f8fdfa;
}

.schedule-pill.salon {
  border-left-color: #F59E0B;
  background: #fffdf9;
}

/* Alerta especial Grupo 415 */
.alert-415-box {
  background: #eef6ff;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-16);
  margin-top: var(--space-16);
  display: none;
}

.alert-415-box.active {
  display: block;
}

/* Alerta para los demás grupos (PDF único) */
.alert-regular-box {
  background: #fffdf5;
  border: 1.5px solid #f59e0b;
  border-radius: var(--radius-md);
  padding: var(--space-16);
  margin-top: var(--space-16);
}

/* ==========================================================================
   POPUP FLOTANTE EN ESQUINA INFERIOR IZQUIERDA (INDEX.HTML)
   ========================================================================== */
.copies-floating-popup {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: calc(100% - 48px);
  max-width: 360px;
  background: var(--color-white);
  border: 1.5px solid rgba(45, 127, 249, 0.3);
  border-radius: var(--radius-xl);
  box-shadow: 0 16px 40px rgba(18, 59, 106, 0.22);
  padding: var(--space-20, 20px);
  z-index: 1060;
  display: flex;
  flex-direction: column;
  gap: var(--space-12, 12px);
  transform: translateY(120px) scale(0.92);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease, visibility 0.25s ease;
}

.copies-floating-popup.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

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

.copies-floating-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-navy);
}

.copies-close-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-bg-light);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dark);
  transition: all var(--transition-fast);
}

.copies-close-btn:hover {
  background: #fee2e2;
  color: #b91c1c;
}

.copies-floating-body {
  font-size: 0.88rem;
  color: var(--color-text-dark);
  line-height: 1.5;
}

.copies-floating-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

/* Botón flotante circular permanente con icono de impresora */
.copies-floating-btn {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-navy) 100%);
  color: var(--color-white);
  border: 2px solid var(--color-white);
  box-shadow: 0 8px 24px rgba(45, 127, 249, 0.4);
  cursor: pointer;
  z-index: 1050;
  display: none;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}

.copies-floating-btn.visible {
  display: flex;
  animation: pulse-subtle 2.5s infinite;
}

.copies-floating-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 12px 30px rgba(45, 127, 249, 0.55);
}

@keyframes pulse-subtle {
  0% { box-shadow: 0 0 0 0 rgba(45, 127, 249, 0.5); }
  70% { box-shadow: 0 0 0 12px rgba(45, 127, 249, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 127, 249, 0); }
}



/* ==========================================================================
   BARRA STICKY DE CUENTA REGRESIVA & ESTILO VISUAL OFICIAL ENCARDOMY
   Paleta Estricta: #2D7FF9, #123B6A, #FFFFFF, #31C98D, #EEF2F7, #DCEEFF
   ========================================================================== */

/* Barra Sticky del Reloj Contador (fija justo abajo del header) */
.sticky-countdown-bar {
  position: sticky;
  top: 72px;
  z-index: 995;
  background-color: var(--color-navy);
  border-bottom: 2px solid var(--color-primary);
  box-shadow: 0 4px 18px rgba(18, 59, 106, 0.25);
  padding: 8px 0;
  color: var(--color-white);
}

.countdown-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12, 12px);
  flex-wrap: wrap;
}

.countdown-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-12, 12px);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-white);
}

.countdown-bar-badge {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.countdown-digits-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cd-box {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  min-width: 44px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cd-val {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-white);
}

.cd-lbl {
  font-size: 0.60rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-blue-tint);
  margin-top: 2px;
}

.cd-sep {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.4);
}

/* Tarjeta transparente y grande para la credencial escolar (100% Encardomy Blue) */
.transparency-credential-box {
  background: #f0f6ff;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-20, 20px);
  margin-top: var(--space-16);
  color: var(--color-navy);
  box-shadow: 0 4px 16px rgba(45, 127, 249, 0.1);
  animation: fadeIn 0.3s ease-in-out;
}

.transparency-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.transparency-body {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--color-text-dark);
}

.transparency-body strong {
  color: var(--color-navy);
  background: var(--color-blue-tint);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Tipografía de Alto Impacto Oficial Encardomy */
.hero-encardomy-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
  color: var(--color-navy);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-16);
}

.highlight-free {
  background: var(--color-success-light);
  color: #15803d;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
  border: 1.5px solid rgba(49, 201, 141, 0.4);
  font-weight: 800;
}

.highlight-blue {
  background: var(--color-blue-tint);
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 800;
}

.simple-benefit-card {
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  transition: all var(--transition-fast);
}

.simple-benefit-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.big-stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 6px;
}