/* ===== FactureloSV.com - Estilos globales ===== */
:root {
  --verde-primario: #4CAF50;
  --verde-claro: #A5D6A7;
  --verde-muy-claro: #E8F5E9;
  --verde-oscuro: #2E7D32;
  --blanco: #FFFFFF;
  --gris-claro: #F5F7FA;
  --gris-texto: #4A5568;
  --gris-borde: #E2E8F0;
  --negro-suave: #1A202C;
  --sombra: 0 4px 6px rgba(0, 0, 0, 0.07);
  --sombra-hover: 0 10px 25px rgba(76, 175, 80, 0.15);
  --radio: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--negro-suave);
  background-color: var(--blanco);
  line-height: 1.6;
}

.contenedor {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Navegación ===== */
.header {
  background-color: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--negro-suave);
  font-weight: 700;
  font-size: 22px;
}

.logo-icono {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--verde-primario), var(--verde-oscuro));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  font-weight: 800;
}

.logo span.dominio {
  color: var(--verde-primario);
  font-weight: 500;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--gris-texto);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.activo {
  color: var(--verde-primario);
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-primario {
  background-color: var(--verde-primario);
  color: var(--blanco);
}

.btn-primario:hover {
  background-color: var(--verde-oscuro);
  transform: translateY(-1px);
  box-shadow: var(--sombra-hover);
}

.btn-secundario {
  background-color: transparent;
  color: var(--verde-primario);
  border: 2px solid var(--verde-primario);
}

.btn-secundario:hover {
  background-color: var(--verde-muy-claro);
}

.btn-grande {
  padding: 16px 32px;
  font-size: 17px;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--verde-muy-claro) 0%, var(--blanco) 100%);
  padding: 80px 0 100px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 20px;
  font-weight: 800;
  color: var(--negro-suave);
}

.hero h1 span.destacado {
  color: var(--verde-primario);
}

.hero p.subtitulo {
  font-size: 19px;
  color: var(--gris-texto);
  max-width: 700px;
  margin: 0 auto 36px;
}

.hero-botones {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Carrusel publicitario ===== */
.carrusel {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 40px auto;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(76, 175, 80, 0.18);
  background: var(--blanco);
}

.carrusel-pista {
  display: flex;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.carrusel-slide {
  min-width: 100%;
  height: 460px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 60px;
  overflow: hidden;
}

.carrusel-slide.slide-1 {
  background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
}

.carrusel-slide.slide-2 {
  background: linear-gradient(135deg, #66BB6A 0%, #43A047 100%);
}

.carrusel-slide.slide-3 {
  background: linear-gradient(135deg, #81C784 0%, #4CAF50 100%);
}

.carrusel-slide.slide-4 {
  background: linear-gradient(135deg, #2E7D32 0%, #1B5E20 100%);
}

.carrusel-slide.slide-inventario {
  background: linear-gradient(135deg, #00897B 0%, #00695C 50%, #2E7D32 100%);
}

.slide-tag-nuevo {
  background: linear-gradient(90deg, #FFD54F, #FFB300) !important;
  color: #1B5E20 !important;
  font-weight: 800 !important;
  animation: pulso 2s ease-in-out infinite;
  box-shadow: 0 4px 12px rgba(255, 179, 0, 0.4);
}

.slide-contenido {
  flex: 1;
  max-width: 500px;
  color: var(--blanco);
  z-index: 2;
  position: relative;
  animation: deslizarDerecha 0.9s ease-out;
}

.slide-tag {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.25);
  color: var(--blanco);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  backdrop-filter: blur(8px);
  letter-spacing: 0.5px;
}

.slide-titulo {
  font-size: 42px;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--blanco);
}

.slide-descripcion {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 28px;
  opacity: 0.95;
}

.slide-boton {
  display: inline-block;
  background-color: var(--blanco);
  color: var(--verde-oscuro);
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.slide-boton:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.slide-visual {
  flex: 1;
  max-width: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  animation: deslizarIzquierda 0.9s ease-out;
}

.slide-visual svg {
  width: 100%;
  height: auto;
  max-height: 360px;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.25));
}

/* Formas decorativas de fondo */
.slide-forma {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  background-color: var(--blanco);
  z-index: 1;
  animation: flotar 6s ease-in-out infinite;
}

.slide-forma.forma-1 {
  width: 280px;
  height: 280px;
  top: -100px;
  right: -60px;
}

.slide-forma.forma-2 {
  width: 180px;
  height: 180px;
  bottom: -50px;
  left: -40px;
  animation-delay: 2s;
}

/* Flechas */
.carrusel-flecha {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--verde-oscuro);
  font-weight: 700;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.carrusel-flecha:hover {
  background-color: var(--blanco);
  transform: translateY(-50%) scale(1.1);
}

.carrusel-flecha.flecha-anterior { left: 20px; }
.carrusel-flecha.flecha-siguiente { right: 20px; }

/* Dots indicadores */
.carrusel-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}

.dot.activo {
  width: 36px;
  border-radius: 6px;
  background-color: var(--blanco);
}

.dot:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

/* Animaciones */
@keyframes deslizarDerecha {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes deslizarIzquierda {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes flotar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes pulso {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@media (max-width: 768px) {
  .carrusel-slide {
    height: auto;
    min-height: 520px;
    flex-direction: column;
    text-align: center;
    padding: 40px 24px;
    gap: 24px;
  }
  .slide-titulo { font-size: 28px; }
  .slide-descripcion { font-size: 15px; }
  .slide-visual { max-width: 240px; }
  .slide-visual svg { max-height: 200px; }
  .carrusel-flecha { width: 40px; height: 40px; font-size: 18px; }
  .carrusel-flecha.flecha-anterior { left: 10px; }
  .carrusel-flecha.flecha-siguiente { right: 10px; }
}

/* ===== Secciones ===== */
.seccion {
  padding: 80px 0;
}

.seccion-clara {
  background-color: var(--gris-claro);
}

.seccion-titulo {
  text-align: center;
  font-size: 36px;
  margin-bottom: 16px;
  font-weight: 700;
}

.seccion-subtitulo {
  text-align: center;
  color: var(--gris-texto);
  font-size: 17px;
  max-width: 650px;
  margin: 0 auto 56px;
}

/* ===== Grid de tarjetas ===== */
.grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.tarjeta {
  background-color: var(--blanco);
  padding: 32px 28px;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  border: 1px solid var(--gris-borde);
  transition: transform 0.2s, box-shadow 0.2s;
}

.tarjeta:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-hover);
}

.tarjeta-icono {
  width: 56px;
  height: 56px;
  background: var(--verde-muy-claro);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.tarjeta h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--negro-suave);
}

.tarjeta p {
  color: var(--gris-texto);
  font-size: 15px;
}

/* ===== DTE Chips ===== */
.dte-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.dte-chip {
  background-color: var(--blanco);
  border: 2px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 20px;
  text-align: center;
  transition: all 0.2s;
}

.dte-chip:hover {
  border-color: var(--verde-primario);
  background-color: var(--verde-muy-claro);
}

.dte-chip strong {
  display: block;
  color: var(--verde-primario);
  font-size: 22px;
  margin-bottom: 6px;
}

.dte-chip span {
  font-size: 14px;
  color: var(--gris-texto);
}

/* ===== CTA Final ===== */
.cta-final {
  background: linear-gradient(135deg, var(--verde-primario), var(--verde-oscuro));
  color: var(--blanco);
  text-align: center;
  padding: 80px 24px;
  border-radius: 0;
}

.cta-final h2 {
  font-size: 36px;
  margin-bottom: 16px;
}

.cta-final p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.cta-final .btn-primario {
  background-color: var(--blanco);
  color: var(--verde-primario);
}

.cta-final .btn-primario:hover {
  background-color: var(--verde-muy-claro);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--negro-suave);
  color: var(--gris-borde);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--blanco);
  margin-bottom: 16px;
  font-size: 16px;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--gris-borde);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--verde-claro);
}

.footer-col p {
  font-size: 14px;
  color: var(--gris-borde);
  margin-top: 12px;
}

.footer-bottom {
  border-top: 1px solid #2D3748;
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
  color: #718096;
}

/* ===== Sección destacada Inventario ===== */
.inventario-destacado {
  background: linear-gradient(135deg, #E0F2F1 0%, #E8F5E9 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.inventario-destacado::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(76, 175, 80, 0.1), transparent 70%);
  border-radius: 50%;
}

.inv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.inv-texto .badge-nuevo {
  display: inline-block;
  background: linear-gradient(90deg, #FFD54F, #FFB300);
  color: #1B5E20;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(255, 179, 0, 0.35);
  animation: pulso 2s ease-in-out infinite;
}

.inv-texto h2 {
  font-size: 40px;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--negro-suave);
  font-weight: 800;
}

.inv-texto h2 .verde {
  color: #00695C;
}

.inv-texto p.descripcion {
  font-size: 17px;
  color: var(--gris-texto);
  margin-bottom: 28px;
}

.inv-features {
  list-style: none;
  margin-bottom: 32px;
}

.inv-features li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gris-texto);
  font-size: 15px;
}

.inv-features li::before {
  content: "✓";
  background-color: #00897B;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.inv-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.inv-mockup {
  background-color: var(--blanco);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 105, 92, 0.18);
  width: 100%;
  max-width: 480px;
  transform: rotate(-1deg);
  transition: transform 0.4s;
}

.inv-mockup:hover {
  transform: rotate(0deg) scale(1.02);
}

.inv-mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--gris-borde);
  margin-bottom: 16px;
}

.inv-mockup-header .dot-circ {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.inv-mockup-header .dot-r { background: #FF5252; }
.inv-mockup-header .dot-y { background: #FFC107; }
.inv-mockup-header .dot-g { background: #4CAF50; }

.inv-mockup-titulo {
  margin-left: auto;
  font-size: 13px;
  color: var(--gris-texto);
  font-weight: 600;
}

.inv-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.inv-stat {
  background: var(--verde-muy-claro);
  padding: 14px 10px;
  border-radius: 10px;
  text-align: center;
}

.inv-stat .numero {
  font-size: 24px;
  font-weight: 800;
  color: #00695C;
}

.inv-stat .label {
  font-size: 11px;
  color: var(--gris-texto);
  margin-top: 4px;
}

.inv-tabla {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inv-fila {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  background: var(--gris-claro);
  border-radius: 8px;
  font-size: 13px;
}

.inv-fila .producto {
  font-weight: 600;
  color: var(--negro-suave);
}

.inv-fila .stock-num {
  font-weight: 700;
  color: #00695C;
}

.inv-pill {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}

.pill-ok { background: #C8E6C9; color: #1B5E20; }
.pill-bajo { background: #FFE0B2; color: #E65100; }
.pill-critico { background: #FFCDD2; color: #B71C1C; }

@media (max-width: 768px) {
  .inv-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .inv-texto h2 { font-size: 30px; }
  .inv-mockup { transform: rotate(0deg); }
}

/* Badge NUEVO en menú */
.menu-nuevo {
  background: linear-gradient(90deg, #FFD54F, #FFB300);
  color: #1B5E20 !important;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 800;
  margin-left: 6px;
  vertical-align: middle;
  letter-spacing: 0.5px;
}

/* ===== Tabla de precios ===== */
.precios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.plan {
  background-color: var(--blanco);
  border: 2px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.2s;
  position: relative;
}

.plan:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-hover);
}

.plan.destacado {
  border-color: var(--verde-primario);
  box-shadow: 0 0 0 4px var(--verde-muy-claro);
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--verde-primario);
  color: var(--blanco);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.plan h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.plan .precio {
  font-size: 44px;
  font-weight: 800;
  color: var(--verde-primario);
  margin: 16px 0 4px;
}

.plan .precio span {
  font-size: 16px;
  color: var(--gris-texto);
  font-weight: 400;
}

.plan .descripcion {
  color: var(--gris-texto);
  margin-bottom: 24px;
  font-size: 14px;
}

.plan ul {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.plan ul li {
  padding: 10px 0;
  border-bottom: 1px solid var(--gris-borde);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gris-texto);
}

.plan ul li:last-child {
  border-bottom: none;
}

.plan ul li::before {
  content: "✓";
  color: var(--verde-primario);
  font-weight: 700;
  font-size: 16px;
}

.plan .btn {
  width: 100%;
}

/* ===== Formulario ===== */
.formulario-contenedor {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--blanco);
  padding: 40px;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  border: 1px solid var(--gris-borde);
}

.form-grupo {
  margin-bottom: 20px;
}

.form-grupo label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--negro-suave);
}

.form-grupo input,
.form-grupo select,
.form-grupo textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gris-borde);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
  outline: none;
  border-color: var(--verde-primario);
  box-shadow: 0 0 0 3px var(--verde-muy-claro);
}

.form-grupo textarea {
  resize: vertical;
  min-height: 120px;
}

.form-fila {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

#mensaje-exito {
  display: none;
  background-color: var(--verde-muy-claro);
  border: 1.5px solid var(--verde-primario);
  color: var(--verde-oscuro);
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
}

/* ===== Bloques de info contacto ===== */
.contacto-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.contacto-tarjeta {
  background-color: var(--verde-muy-claro);
  padding: 28px;
  border-radius: var(--radio);
  text-align: center;
}

.contacto-tarjeta .icono {
  font-size: 32px;
  margin-bottom: 12px;
}

.contacto-tarjeta h4 {
  margin-bottom: 8px;
  color: var(--negro-suave);
}

.contacto-tarjeta p {
  color: var(--gris-texto);
  font-size: 15px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 34px; }
  .hero p.subtitulo { font-size: 16px; }
  .seccion-titulo { font-size: 28px; }
  .seccion { padding: 60px 0; }
  .nav-links {
    gap: 16px;
  }
  .nav-links a:not(.btn) {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-fila {
    grid-template-columns: 1fr;
  }
  .formulario-contenedor {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}