/*
===============================================================================
APPFASTSURVEYS - CSS COMPLETO, MODERNO, RESPONSIVO Y DOCUMENTADO
===============================================================================
- Paleta: #001530 (primario), #fcca64 (acento), #fffcfa (fondo), #7a8691 (borde)
- Espacios y paddings optimizados para móvil, tablet y escritorio
- Interfaces claras, ordenadas y visualmente profesionales
- Versionado automático gestionado por el HTML/JS (ver instrucciones en el HTML)
- Documentación detallada para facilitar desarrollo y mantenimiento[1][3][4][5][6][7]
===============================================================================
*/

/* === VARIABLES GLOBALES === */
:root {
  --color-primario: #001530;
  --color-acento: #fcca64;
  --color-fondo: #fffcfa;
  --color-borde: rgba(122,134,145,0.23);
  --color-blanco: #fff;
  --header-height: 104px;
  --footer-height: 48px;
  --sidebar-width: 260px;
}

/* === RESET Y BASE === */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Montserrat', Arial, sans-serif;
  background: var(--color-fondo);
  color: var(--color-primario);
  line-height: 1.6;
  min-height: 100vh;
  padding-top: var(--header-height);
  padding-bottom: var(--footer-height);
  overflow-x: hidden;
}

/* === HEADER FIJO Y LOGO ANIMADO === */
header {
  position: fixed;
  top: 0; left: 0; width: 100vw;
  background: var(--color-primario);
  z-index: 10000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.7rem 1.5rem 0.2rem 1.5rem;
  height: var(--header-height);
  position: relative;
  z-index: 10001;
}
.logo-titulo-principal {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  text-decoration: none;
}
.logo-titulo-principal img {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 0 8px #fcca6460);
  animation: logo-pulse 2.5s infinite alternate;
}
@keyframes logo-pulse {
  0% { filter: drop-shadow(0 0 8px #fcca6460);}
  50% { filter: drop-shadow(0 0 18px #fcca64cc);}
  100% { filter: drop-shadow(0 0 8px #fcca6460);}
}
.logo-titulo-principal h1 {
  font-size: 1.5rem;
  letter-spacing: 1.5px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--color-blanco), var(--color-acento), var(--color-blanco));
  background-size: 200% 100%;
  background-position: 0% 0%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: logo-gold 3.5s infinite alternate;
}
@keyframes logo-gold {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 0%; }
  100% { background-position: 0% 0%; }
}

/* === MENÚ HAMBURGUESA Y SIDEBAR NAV === */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  z-index: 12000;
  transition: filter 0.2s;
}
.menu-toggle span {
  display: block;
  width: 32px;
  height: 4px;
  background: var(--color-acento);
  border-radius: 2.5px;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.35s;
}
.menu-toggle.active span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}
.nav-cajas {
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  width: var(--sidebar-width);
  background: var(--color-primario);
  box-shadow: 2px 0 22px rgba(0,0,0,0.08);
  z-index: 11000;
  padding-top: var(--header-height);
  transform: translateX(-110%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s, opacity 0.2s;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.nav-cajas.active {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.nav-cajas-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 0.5rem;
  list-style: none;
  padding: 0 0.7rem;
}
.nav-caja {
  border: 1.5px solid var(--color-borde);
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  transition: background 0.2s, border 0.2s;
  margin: 0.07rem 0;
}
.nav-caja a {
  display: block;
  padding: 0.48rem 1.1rem;
  color: var(--color-acento);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.01rem;
  letter-spacing: 0.4px;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.nav-caja:hover, .nav-caja:focus-within {
  background: var(--color-acento);
  border-color: var(--color-acento);
}
.nav-caja:hover a, .nav-caja:focus-within a {
  color: var(--color-primario);
  background: var(--color-acento);
}

/* === HERO DE BIENVENIDA === */
.hero-bienvenida-foto {
  position: relative;
  background: url('img/hero-bg.jpg') center center/cover no-repeat;
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 0 20px 20px;
  margin-bottom: 0;
  box-shadow: 0 4px 18px rgba(0,21,48,0.12);
  overflow: hidden;
  z-index: 9000;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,21,48,0.70);
  border-radius: 0 0 20px 20px;
  z-index: 1;
}
.hero-contenido {
  position: relative;
  z-index: 2;
  max-width: 600px;
  text-align: center;
  color: var(--color-acento);
  padding: 2rem 1rem 1.5rem 1rem;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0,21,48,0.24);
}
.hero-bienvenida-foto h1 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--color-acento);
  letter-spacing: 0.01em;
}
.hero-bienvenida-foto .section-desc {
  color: var(--color-blanco);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.hero-boton {
  background: var(--color-acento);
  color: var(--color-primario);
  padding: 0.8rem 2.2rem;
  border-radius: 30px;
  font-size: 1.07rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(252,202,100,0.18);
  border: none;
  transition: background 0.3s, color 0.3s, box-shadow 0.2s;
  margin-top: 0.5rem;
  display: inline-block;
}
.hero-boton:hover, .hero-boton:focus {
  background: var(--color-primario);
  color: var(--color-acento);
  box-shadow: 0 8px 32px rgba(252,202,100,0.28);
}

/* === CARDS DE SERVICIOS Y HERRAMIENTAS === */
.servicios-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.1rem;
}
.servicio-card {
  background: var(--color-blanco);
  border-radius: 12px;
  border: 1.5px solid var(--color-borde);
  box-shadow: 0 2px 10px rgba(0,21,48,0.10);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.3rem 1.2rem 1.3rem 1.2rem;
  width: 100%;
  max-width: 220px;
  min-width: 0;
  box-sizing: border-box;
  transition: box-shadow 0.2s, transform 0.2s, opacity 0.7s, transform 0.7s;
  cursor: pointer;
  text-align: center;
  opacity: 0;
  transform: translateY(40px);
  margin-bottom: 2rem;
}
.servicio-card.visible { opacity: 1; transform: translateY(0); }
.servicio-card img {
  display: block;
  margin: 0 auto 0.3rem auto;
  max-width: 38px;
  width: 100%;
  height: auto;
  object-fit: contain;
}
.servicio-card:hover {
  box-shadow: 0 8px 24px rgba(252,202,100,0.17);
  transform: translateY(-4px) scale(1.04);
}

/* === DASHBOARDS Y FORMULARIOS INTERACTIVOS === */
.ejemplo-contenedor-maxdiff, .ejemplo-contenedor-chi {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.ejemplo-encuesta, .ejemplo-dashboard, .chi-formulario-section, .chi-resultados-section {
  background: var(--color-blanco);
  border-radius: 12px;
  border: 1.5px solid var(--color-borde);
  box-shadow: 0 2px 16px rgba(0,21,48,0.09);
  padding: 1.3rem 1.1rem 1.3rem 1.1rem;
  min-width: 220px;
  max-width: 420px;
  flex: 1 1 340px;
  margin-bottom: 2rem;
  box-sizing: border-box;
}
.ejemplo-dashboard, .chi-resultados-section {
  max-width: 480px;
}
.dashboard-canvas-wrapper, .chi-grafico-wrapper {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  box-sizing: border-box;
  min-height: 160px;
}
.ejemplo-dashboard canvas, .chi-grafico-wrapper canvas {
  width: 100% !important;
  max-width: 420px;
  height: 160px !important;
  max-height: 180px;
  box-sizing: border-box;
  margin: 0 auto;
  display: block;
}

/* === TABLAS Y FORMULARIOS === */
.maxdiff-table, .chi-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.5rem;
  font-size: 1rem;
  background: var(--color-blanco);
}
.maxdiff-table th, .chi-table th,
.maxdiff-table td, .chi-table td {
  text-align: center;
  padding: 0.45rem 0.2rem;
  border: 1px solid var(--color-borde);
}
.maxdiff-table th, .chi-table th {
  background: var(--color-primario);
  color: var(--color-acento);
  font-size: 1.02rem;
  font-weight: 700;
}
.maxdiff-table td, .chi-table td {
  font-weight: 600;
}
.maxdiff-table input[type='radio'], .chi-table input[type="number"] {
  transform: scale(1.1);
  border-radius: 4px;
  border: 1px solid var(--color-borde);
  padding: 0.25em;
  background: var(--color-fondo);
}
.chi-table input[type="number"] {
  width: 60px;
  text-align: center;
}

/* === ALERTAS Y AYUDA === */
.maxdiff-alert, .chi-ayuda {
  background: var(--color-acento);
  color: var(--color-primario);
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  font-size: 0.97rem;
  margin-bottom: 0.4rem;
  text-align: center;
  font-weight: 600;
  box-shadow: 0 1px 6px rgba(252,202,100,0.09);
}
.chi-ayuda {
  background: transparent;
  color: var(--color-primario);
  font-weight: 500;
  margin-top: 0.5em;
  box-shadow: none;
}

/* === NOTAS DESTACADAS === */
.ejemplo-nota {
  background: var(--color-acento);
  color: var(--color-primario);
  border-radius: 8px;
  padding: 1.2em 1.1em;
  margin: 1.5em auto 0 auto;
  max-width: 900px;
  font-size: 1.07rem;
  display: flex;
  align-items: center;
  gap: 0.7em;
  box-shadow: 0 2px 10px rgba(252,202,100,0.10);
}
.ejemplo-nota i {
  font-size: 1.3em;
}

/* === FORMULARIOS DE CALIFICACIÓN Y CONTACTO === */
.califica-form, .contacto form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  max-width: 400px;
  margin: 0 auto 2.5rem auto;
  background: var(--color-blanco);
  border-radius: 12px;
  border: 1.5px solid var(--color-borde);
  box-shadow: 0 2px 16px rgba(0,21,48,0.09);
  padding: 1.5rem 1.1rem 1.3rem 1.1rem;
}
.califica-caras {
  display: flex;
  gap: 1.7rem;
  justify-content: center;
}
.cara {
  font-size: 2.3rem;
  padding: 0.3rem;
  border-radius: 50%;
  background: var(--color-fondo);
  color: var(--color-primario);
  border: 2px solid var(--color-borde);
  transition: background 0.2s, color 0.2s, transform 0.2s;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cara-feliz { color: #fcca64; }
.cara-neutral { color: #7a8691; }
.cara-triste { color: #001530; }
input[type="radio"]:checked + .cara {
  background: var(--color-acento);
  color: var(--color-primario);
  border-color: var(--color-acento);
  transform: scale(1.15);
}
.califica-form textarea, .contacto textarea, .contacto input {
  width: 100%;
  min-height: 56px;
  border: 1.5px solid var(--color-borde);
  border-radius: 6px;
  padding: 0.8rem 0.6rem;
  font-size: 1.01rem;
  font-family: inherit;
  resize: vertical;
  background: var(--color-fondo);
}
.califica-form button, .contacto button {
  background: var(--color-primario);
  color: var(--color-acento);
  border: none;
  border-radius: 6px;
  padding: 0.7rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 0.2rem;
}
.califica-form button:hover, .contacto button:hover {
  background: var(--color-acento);
  color: var(--color-primario);
}
#califica-success, #form-success {
  color: var(--color-acento);
  font-weight: 600;
  text-align: center;
  min-height: 18px;
  margin-bottom: 1.2rem;
}
.contacto-aviso {
  background: #fff7e0;
  color: #001530;
  border-radius: 6px;
  margin-top: 0.7em;
  padding: 0.7em 1em;
  font-size: 0.97em;
  display: flex;
  align-items: center;
  gap: 0.7em;
}
.contacto-info, .califica-lista-contenedor {
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
  padding-left: 0.2rem;
  padding-right: 0.2rem;
}

/* === FOOTER FIJO EN ESCRITORIO, ESTÁTICO EN MÓVIL === */
footer {
  position: fixed;
  bottom: 0; left: 0; width: 100vw;
  background: var(--color-primario);
  color: var(--color-acento);
  text-align: center;
  padding: 0.7rem 0 0.5rem 0;
  font-size: 1rem;
  z-index: 2000;
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1.5px solid var(--color-borde);
}
@media (max-width: 768px) {
  footer {
    position: static;
    width: 100%;
    bottom: auto;
    left: auto;
    padding-top: 1.1rem;
    padding-bottom: 1.1rem;
  }
}

/* === BOTÓN FLOTANTE WHATSAPP === */
.float-wa {
  position: fixed;
  width: 44px; height: 44px;
  bottom: 70px; right: 12px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50%;
  text-align: center;
  font-size: 22px;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.12);
  z-index: 2100;
  transition: transform 0.2s, background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.float-wa:hover { transform: scale(1.1); background-color: #128c7e; color: #fff; }

/* === RESPONSIVE DESIGN: ESPACIOS Y SEPARACIÓN PARA MÓVIL Y TABLET === */
@media (max-width: 900px) {
  body {
    padding-top: calc(var(--header-height) + 8px);
    padding-bottom: 12px;
  }
  main {
    padding-left: 0.7rem;
    padding-right: 0.7rem;
  }
  .section-anchor {
    margin-top: 1.2rem;
    margin-bottom: 1.2rem;
    padding-top: 1.6rem;
    padding-bottom: 1.4rem;
  }
  .servicios-grid, .califica-caras {
    gap: 1.7rem;
    flex-wrap: wrap;
  }
  .servicio-card,
  .ejemplo-encuesta,
  .ejemplo-dashboard,
  .chi-formulario-section,
  .chi-resultados-section {
    margin-bottom: 1.5rem;
    padding: 1.2rem 0.8rem 1.2rem 0.8rem;
    max-width: 98vw;
    min-width: 0;
    box-sizing: border-box;
  }
  .servicio-card img {
    margin-bottom: 0.6rem;
  }
  .contacto-info, .califica-lista-contenedor {
    margin-top: 2rem;
    margin-bottom: 1.5rem;
    padding-left: 0.2rem;
    padding-right: 0.2rem;
  }
  .contacto form, .califica-form {
    padding: 1.5rem 0.5rem 1.2rem 0.5rem;
    margin-bottom: 2.2rem;
    margin-top: 1.2rem;
    width: 100%;
    min-width: 0;
  }
  .califica-form textarea, .contacto textarea, .contacto input {
    min-height: 56px;
    padding: 0.8rem 0.6rem;
    font-size: 1.01rem;
  }
  .ejemplo-nota, .destacado-nota {
    margin: 1.5rem 0.2rem 0.5rem 0.2rem;
    padding: 1.1rem 0.7rem;
    font-size: 1.01rem;
  }
  .maxdiff-table, .chi-table {
    font-size: 0.97rem;
  }
  .dashboard-canvas-wrapper, .chi-grafico-wrapper {
    min-height: 120px;
    margin-bottom: 1rem;
  }
  .hero-bienvenida-foto {
    min-height: 70vh;
    border-radius: 0 0 16px 16px;
    margin-bottom: 1.2rem;
    padding-left: 0.3rem;
    padding-right: 0.3rem;
  }
  .hero-contenido {
    padding: 1.1rem 0.2rem 1.1rem 0.2rem;
    max-width: 98vw;
  }
  .hero-bienvenida-foto h1 {
    font-size: 1.18rem;
    margin-bottom: 0.8rem;
  }
  .hero-bienvenida-foto .section-desc {
    font-size: 1.05rem;
    margin-bottom: 1.3rem;
  }
  .hero-boton {
    padding: 0.7rem 1.2rem;
    font-size: 1.01rem;
    margin-top: 0.7rem;
  }
  .nav-cajas {
    width: 88vw;
    min-width: 150px;
    padding-top: var(--header-height);
  }
  .nav-caja a {
    font-size: 1.05rem;
    padding: 0.6rem 0.8rem;
  }
  .footer {
    font-size: 0.99rem;
  }
}

/* === ESPACIOS EXTRAS PARA MÓVIL PEQUEÑO === */
@media (max-width: 600px) {
  main {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  .section-anchor {
    margin-top: 1.1rem;
    margin-bottom: 1.1rem;
    padding-top: 1.1rem;
    padding-bottom: 1.1rem;
  }
  .servicio-card,
  .ejemplo-encuesta,
  .ejemplo-dashboard,
  .chi-formulario-section,
  .chi-resultados-section {
    margin-bottom: 1.1rem;
    padding: 1rem 0.5rem;
    border-radius: 10px;
    max-width: 97vw;
  }
  #encuestas.section-anchor {
    margin-top: 0.5rem;
    padding-top: 0.8rem;
  }
  #encuestas h2 {
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
    margin-top: 0.2rem;
  }
  #encuestas .section-desc {
    font-size: 1rem;
    margin-bottom: 1.1rem;
  }
  .servicios-grid {
    gap: 1.1rem;
  }
  .contacto form, .califica-form {
    padding: 1.1rem 0.3rem 1.1rem 0.3rem;
    margin-bottom: 1.5rem;
    margin-top: 1.1rem;
  }
  .contacto-info, .califica-lista-contenedor {
    margin-top: 1.2rem;
    margin-bottom: 1.2rem;
    padding-left: 0.1rem;
    padding-right: 0.1rem;
  }
  .ejemplo-nota, .destacado-nota {
    margin: 1.5rem 0.1rem 0.6rem 0.1rem;
    padding: 1.2rem 0.2rem;
    font-size: 0.98rem;
  }
  .hero-bienvenida-foto {
    min-height: 62vh;
    border-radius: 0 0 12px 12px;
    margin-bottom: 1.4rem;
    padding-left: 0.1rem;
    padding-right: 0.1rem;
  }
  .hero-contenido {
    padding: 1.05rem 0.05rem 1.05rem 0.05rem;
    max-width: 99vw;
  }
  .footer {
    font-size: 0.97rem;
  }
}