/* ==========================================
   1. ESTILOS GENERALES Y VARIABLES
   ========================================== */
:root {
  --color-primario: #6B52A1;
  --color-primario-oscuro: #583f8c;
  --color-secundario: #1A2530;
  --color-fondo: #F8F9FA;
  --color-blanco: #FFFFFF;
  --color-texto: #333333;
  --fuente-principal: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
  font-family: var(--fuente-principal);
  background-color: var(--color-fondo);
  color: var(--color-texto);
  line-height: 1.6;
}

.contenedor {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================
   2. ENCABEZADO Y NAVEGACIÓN
   ========================================== */
.header {
  background-color: var(--color-blanco);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navegacion {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-secundario);
  text-decoration: none;
}

.logo span {
  color: var(--color-primario);
}

.menu {
  display: flex;
  gap: 20px;
  align-items: center;
}

.menu a {
  text-decoration: none;
  color: var(--color-secundario);
  font-weight: 500;
  transition: color 0.3s;
}

.menu a:hover {
  color: var(--color-primario);
}

.btn-menu {
  background-color: var(--color-primario);
  color: var(--color-blanco) !important;
  padding: 8px 16px;
  border-radius: 6px;
}

.btn-hamburguesa {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--color-secundario);
}

/* ==========================================
   3. SECCIÓN HERO (PRINCIPAL)
   ========================================== */
.hero {
  background: linear-gradient(135deg, var(--color-secundario) 0%, #2c3e50 100%);
  color: var(--color-blanco);
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 25px;
  opacity: 0.9;
}

.btn-principal {
  display: inline-block;
  background-color: var(--color-primario);
  color: var(--color-blanco);
  padding: 12px 28px;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s;
}

.btn-principal:hover {
  background-color: var(--color-primario-oscuro);
}

/* ==========================================
   4. SECCIÓN SERVICIOS
   ========================================== */
.servicios {
  padding: 60px 20px;
  text-align: center;
}

.servicios h2, .portafolio h2, .contacto h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  color: var(--color-secundario);
}

.grid-servicios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.tarjeta-servicio {
  background: var(--color-blanco);
  padding: 30px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.tarjeta-servicio .icono {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

/* ==========================================
   5. PORTAFOLIO Y TARJETA DEL PROYECTO
   ========================================== */
.portafolio {
  padding: 60px 20px;
  text-align: center;
}

.project-card {
  display: flex;
  flex-wrap: wrap;
  background: var(--color-blanco);
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 50px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  align-items: center;
  gap: 30px;
  text-align: left;
}

.project-info {
  flex: 1;
  min-width: 280px;
}

.project-info h3 {
  font-size: 1.8rem;
  color: var(--color-secundario);
  margin-bottom: 15px;
}

.project-info p {
  color: #666;
  margin-bottom: 20px;
}

.btn-github {
  display: inline-block;
  background-color: #24292e;
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.grid-portafolio {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.tarjeta-proyecto {
  background: var(--color-blanco);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  text-align: left;
}

.imagen-proyecto {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.info-proyecto {
  padding: 20px;
}

/* ==========================================
   6. SIMULADOR MÓVIL (MARCO DE TELÉFONO)
   ========================================== */
.phone-mockup {
  width: 300px;
  height: 580px;
  background: #111;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  border: 4px solid #333;
  margin: 0 auto;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #FAF8FC;
  border-radius: 26px;
  padding: 20px 15px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.app-header h4 {
  margin: 0;
  color: #1A2530;
  font-size: 1.1rem;
}

.app-header small {
  color: #666;
  font-size: 0.8rem;
}

#sim-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

#sim-form input {
  width: 100%;
  padding: 10px;
  border: 1px solid #CCC;
  border-radius: 6px;
  font-size: 0.85rem;
  box-sizing: border-box;
}

.datetime-row {
  display: flex;
  gap: 8px;
}

.btn-sim-agendar {
  background: var(--color-primario);
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.3s;
}

.btn-sim-agendar:hover {
  background: var(--color-primario-oscuro);
}

/* Toast Simulado */
.toast-hidden {
  display: none;
}

.toast-visible {
  display: block;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.85);
  color: white;
  padding: 10px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  text-align: center;
  width: 80%;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* ==========================================
   7. CONTACTO Y FOOTER
   ========================================== */
.contacto {
  background-color: var(--color-secundario);
  color: white;
  padding: 60px 20px;
  text-align: center;
}

.contacto h2 {
  color: white;
}

.btn-whatsapp {
  display: inline-block;
  background-color: #25D366;
  color: white;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 20px;
}

.footer {
  background-color: #111;
  color: #888;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}

.btn-whatsapp-flotante {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25D366;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  z-index: 1000;
}

/* ==========================================
   8. RESPONSIVE (MÓVILES)
   ========================================== */
@media (max-width: 768px) {
  .btn-hamburguesa {
    display: block;
  }

  .menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }

  .menu.activo {
    display: flex;
  }

  .project-card {
    flex-direction: column;
  }
}

/* ==========================================
   9. ESTILOS DEMO MENÚ DIGITAL (para todas las pantallas)
   ========================================== */
.menu-demo-card {
  flex-direction: column;
  align-items: stretch;
}

.demo-menu-container {
  background: #fdfdfd;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 20px;
}

.grid-platillos-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.tarjeta-platillo {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
}

.img-platillo {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.info-platillo {
  padding: 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-platillo h4 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-secundario);
}

.precio {
  margin: 0;
  font-weight: bold;
  color: #e74c3c;
}

.btn-agregar {
  background: var(--color-secundario);
  color: white;
  border: none;
  padding: 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: bold;
  transition: background 0.2s;
}

.btn-agregar:hover {
  background: var(--color-primario);
}

.resumen-pedido-demo {
  background: #1A2530;
  color: white;
  border-radius: 8px;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.info-resumen span {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
}

.info-resumen strong {
  font-size: 1.2rem;
  color: #25D366;
}

.btn-enviar-wa {
  background: #25D366;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
}