/**
 * Hoja de Estilos Principal - Blue Car JM
 * 
 * Este archivo contiene todos los estilos CSS necesarios para el sitio web,
 * organizados en secciones lógicas y completamente comentado.
 */

/* ==========================================================================
   Variables CSS (Custom Properties)
   ========================================================================== */
:root {
  /* Colores principales */
  --azul-oscuro: #0a2463;       /* Color principal oscuro */
  --azul-medio: #3e92cc;        /* Color principal medio */
  --azul-claro: #d7f9ff;        /* Color principal claro */
  --blanco: #ffffff;            /* Color blanco puro */
  --negro: #1e1e1e;             /* Color negro para texto */
  --gris: #f8f9fa;              /* Color gris claro para fondos */
  
  /* Colores adicionales para categorías */
  --verde: #28a745;             /* Color para autos medianos */
  --amarillo: #ffc107;          /* Color para autos grandes */
  --rojo: #dc3545;              /* Color para destacados */
  --morado: #6f42c1;            /* Color adicional */
  --rosa: #e83e8c;              /* Color adicional */
  --cian: #17a2b8;              /* Color adicional */
  
  /* Sombras */
  --sombra-suave: 0 2px 10px rgba(0, 0, 0, 0.1);
  --sombra-media: 0 5px 15px rgba(0, 0, 0, 0.1);
  --sombra-fuerte: 0 15px 30px rgba(0, 0, 0, 0.2);
  
  /* Transiciones */
  --transicion-rapida: all 0.3s ease;
  --transicion-media: all 0.5s ease;
  
  /* Bordes */
  --border-radius: 10px;
  --border-radius-lg: 20px;
}

/* ==========================================================================
   Estilos Base
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', sans-serif;  /* Fuente principal */
  color: var(--negro);                   /* Color de texto principal */
  background-color: var(--blanco);       /* Color de fondo */
  line-height: 1.6;                      /* Interlineado */
  position: relative;                    /* Para elementos posicionados relativamente */
  padding-top: 56px;                     /* Compensar navbar fijo */
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;                      /* Grosor de fuente para títulos */
  margin-bottom: 0.5em;
  color: var(--azul-oscuro);
}

p {
  margin-bottom: 1em;
  line-height: 1.8;
}

a {
  text-decoration: none;                 /* Sin subrayado en enlaces */
  transition: var(--transicion-rapida);  /* Transición suave */
  color: var(--azul-medio);
}

a:hover {
  color: var(--azul-oscuro);
}

/* ==========================================================================
   Componentes Reutilizables
   ========================================================================== */

/* Barra de progreso de scroll */
.progress-container {
  width: 100%;
  height: 4px;
  background: #f1f1f1;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
}

.progress-bar {
  height: 100%;
  background: var(--azul-medio);
  width: 0%;
  transition: width 0.1s ease-out;
}

/* Tarjetas */
.card {
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--sombra-media);
  transition: var(--transicion-rapida);
  margin-bottom: 20px;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--sombra-fuerte);
}

.card-img {
  height: 200px;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transicion-media);
}

.card:hover .card-img img {
  transform: scale(1.1);
}

.card-body {
  padding: 20px;
}

.card-title {
  color: var(--azul-oscuro);
  font-weight: 600;
}

/* Variantes de tarjetas por color */
.card.border-primary .card-title { color: var(--azul-medio); }
.card.border-success .card-title { color: var(--verde); }
.card.border-warning .card-title { color: var(--amarillo); }
.card.border-danger .card-title { color: var(--rojo); }
.card.border-info .card-title { color: var(--cian); }
.card.border-secondary .card-title { color: var(--gris); }
.card.border-dark .card-title { color: var(--negro); }

/* Botones */
.btn {
  padding: 10px 25px;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transicion-rapida);
  display: inline-block;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--azul-medio);
  border-color: var(--azul-medio);
  color: white;
}

.btn-primary:hover {
  background-color: var(--azul-oscuro);
  border-color: var(--azul-oscuro);
  transform: translateY(-3px);
  box-shadow: var(--sombra-media);
}

.btn-outline-primary {
  border: 2px solid var(--azul-medio);
  color: var(--azul-medio);
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--azul-medio);
  color: white;
}

/* Variantes de botones por color */
.btn-success { background-color: var(--verde); border-color: var(--verde); }
.btn-warning { background-color: var(--amarillo); border-color: var(--amarillo); }
.btn-danger { background-color: var(--rojo); border-color: var(--rojo); }
.btn-info { background-color: var(--cian); border-color: var(--cian); }

.btn-outline-success { border-color: var(--verde); color: var(--verde); }
.btn-outline-warning { border-color: var(--amarillo); color: var(--amarillo); }
.btn-outline-danger { border-color: var(--rojo); color: var(--rojo); }
.btn-outline-info { border-color: var(--cian); color: var(--cian); }

/* Títulos de sección */
.section-title {
  color: var(--azul-oscuro);
  font-weight: 700;
  margin-bottom: 30px;
  position: relative;
  display: inline-block;
}

.section-title:after {
  content: '';
  position: absolute;
  width: 50px;
  height: 3px;
  background-color: var(--azul-medio);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
}

/* Iconos sociales */
.social-icon {
  display: inline-block;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  margin-right: 10px;
  transition: var(--transicion-rapida);
  color: white;
}

.social-icon:hover {
  background-color: var(--azul-medio);
  transform: translateY(-3px);
}

/* ==========================================================================
   Estructura Principal
   ========================================================================== */

/* Navbar */
.navbar-custom {
  background-color: var(--azul-oscuro) !important;
  box-shadow: var(--sombra-suave);
  padding: 10px 0;
}

.navbar-brand {
  font-weight: 700;
  color: var(--blanco) !important;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  transition: var(--transicion-rapida);
  margin: 0 10px;
  padding: 8px 15px !important;
  border-radius: 5px;
}

.nav-link:hover {
  color: var(--blanco) !important;
  transform: translateY(-2px);
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  color: var(--blanco) !important;
  background-color: var(--azul-medio);
}

/* Banner hero */
.banner {
  background-size: cover;
  background-position: center;
  color: var(--blanco);
  padding: 120px 0;
  text-align: center;
  min-height: 60vh;
  display: flex;
  align-items: center;
  position: relative;
}

.banner h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 30px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Secciones con fondo alternado */
.bg-light {
  background-color: var(--gris) !important;
}

.bg-dark-blue {
  background-color: var(--azul-oscuro);
  color: white;
}

.bg-medium-blue {
  background-color: var(--azul-medio);
  color: white;
}

.bg-dark-blue h2,
.bg-medium-blue h2,
.bg-dark-blue h3,
.bg-medium-blue h3,
.bg-dark-blue h4,
.bg-medium-blue h4 {
  color: white;
}

/* Cajas de características */
.feature-box {
  text-align: center;
  padding: 30px;
  border-radius: var(--border-radius);
  background-color: var(--blanco);
  box-shadow: var(--sombra-media);
  transition: var(--transicion-rapida);
  margin-bottom: 30px;
  height: 100%;
}

.feature-box:hover {
  transform: translateY(-10px);
  box-shadow: var(--sombra-fuerte);
}

.feature-icon {
  font-size: 3rem;
  color: var(--azul-medio);
  margin-bottom: 20px;
}

/* Widget de WhatsApp */
.whatsapp-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  text-align: center;
  line-height: 60px;
  font-size: 30px;
  box-shadow: var(--sombra-fuerte);
  z-index: 100;
  transition: var(--transicion-rapida);
}

.whatsapp-widget:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Footer */
footer {
  background-color: var(--azul-oscuro);
  color: var(--blanco);
  padding: 50px 0 20px;
}

footer h5 {
  color: var(--blanco);
  font-weight: 600;
  margin-bottom: 20px;
}

footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transicion-rapida);
}

footer a:hover {
  color: var(--blanco);
}

/* ==========================================================================
   Animaciones
   ========================================================================== */
@keyframes fadeIn {
  from { 
    opacity: 0; 
    transform: translateY(20px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* ==========================================================================
   Componentes Específicos
   ========================================================================== */

/* Carrusel */
.carousel-control-prev, 
.carousel-control-next {
  width: 5%;
  color: var(--azul-oscuro);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: var(--azul-medio);
  border-radius: 50%;
  padding: 15px;
  background-size: 60%;
}

.carousel-indicators button {
  background-color: var(--azul-oscuro);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin: 0 5px;
}

.carousel-indicators .active {
  background-color: var(--azul-medio);
}

/* Modal de contacto */
.modal-content {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: none;
}

.modal-header {
  background-color: var(--azul-oscuro);
  color: white;
  border-bottom: none;
}

.modal-footer {
  border-top: none;
}

/* Formularios */
.form-control:focus,
.form-select:focus {
  border-color: var(--azul-medio);
  box-shadow: 0 0 0 0.25rem rgba(62, 146, 204, 0.25);
}

.invalid-feedback {
  color: var(--rojo);
}

/* ==========================================================================
   Utilidades
   ========================================================================== */
.rounded-shadow {
  border-radius: var(--border-radius);
  box-shadow: var(--sombra-media);
}

.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Text colors */
.text-primary { color: var(--azul-medio) !important; }
.text-success { color: var(--verde) !important; }
.text-warning { color: var(--amarillo) !important; }
.text-danger { color: var(--rojo) !important; }
.text-info { color: var(--cian) !important; }

/* Background colors */
.bg-primary { background-color: var(--azul-medio) !important; }
.bg-success { background-color: var(--verde) !important; }
.bg-warning { background-color: var(--amarillo) !important; }
.bg-danger { background-color: var(--rojo) !important; }
.bg-info { background-color: var(--cian) !important; }

/* ==========================================================================
   Media Queries - Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
  body {
    padding-top: 66px; /* Ajuste para navbar en móviles */
  }
  
  .banner {
    padding: 80px 0;
    min-height: 50vh;
  }
  
  .banner h1 {
    font-size: 2rem;
  }
  
  .banner p {
    font-size: 1rem;
  }
  
  .navbar-brand {
    font-size: 1.2rem;
  }
  
  .whatsapp-widget {
    width: 50px;
    height: 50px;
    line-height: 50px;
    font-size: 24px;
    bottom: 20px;
    right: 20px;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .section-title:after {
    width: 40px;
    height: 2px;
    bottom: -8px;
  }
}

@media (max-width: 576px) {
  .banner {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .feature-box {
    padding: 20px;
  }
  
  .card-img {
    height: 150px;
  }
}