:root {
  --electric-blue: #0077ff;
  --electric-blue-light: #10d5f8;
  --electric-blue-dark: #3d80df;
  --dark-bg: #000;
  --particle-color: var(--electric-blue-light); /* Color inicial de partículas */
}
body {
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--dark-bg);
  color: #fff;
  scroll-behavior: smooth;
  transition: background 0.3s, color 0.3s;
}
.light-mode {
  background: #f8f9fa;
  color: #212529;
}
/* Navbar */
.custom-navbar {
  background: transparent !important;
  transition: background 0.5s, box-shadow 0.5s;
}
.custom-navbar.scrolled {
  background: linear-gradient(90deg, var(--dark-bg) 0%, var(--electric-blue-dark) 100%) !important;
  box-shadow: 0 4px 15px rgba(0, 119, 255, 0.3);
}
.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  transition: color 0.3s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--electric-blue-light) !important;
}
.mode-toggle-btn {
  color: white !important;
  border: 1px solid var(--electric-blue) !important;
  transition: all 0.3s;
}
.mode-toggle-btn:hover {
  background-color: var(--electric-blue) !important;
}
/* Hero */
.hero-image {
  background-image: url("img/luz.png");
  background-size: cover;
  background-position: center;
  height: 100vh;
  position: relative;
}
.hero-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}
.hero-image h1 {
  text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.9);
  color: var(--electric-blue-light) !important;
}
.hero-image p {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}
/* Carousel */
.portada {
  height: 70vh;
  object-fit: cover;
}
.carousel-caption h5 {
  color: var(--electric-blue-light) !important;
  font-weight: bold;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.9);
}
.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: var(--electric-blue);
  border-radius: 50%;
}
/* Productos */
.servicios {
  text-align: center;
  margin-bottom: 20px;
  font-size: 2.5rem;
  color: var(--electric-blue-light) !important;
}
.card {
  background-color: #111;
  color: white;
  border: none;
  box-shadow: 0 0 15px rgba(0, 119, 255, 0.3);
  transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 25px rgba(0, 119, 255, 0.6);
}
.card img {
  height: 200px;
  object-fit: cover;
}
/* Botones */
.custom-electric-blue-btn {
  background-color: var(--electric-blue) !important;
  border-color: var(--electric-blue) !important;
  color: white !important;
  transition: all 0.3s;
}
.custom-electric-blue-btn:hover {
  background-color: var(--electric-blue-dark) !important;
  border-color: var(--electric-blue-dark) !important;
}
.custom-outline-electric-blue-btn {
  color: var(--electric-blue) !important;
  border: 1px solid var(--electric-blue) !important;
  background-color: transparent !important;
}
.custom-outline-electric-blue-btn:hover {
  background-color: var(--electric-blue) !important;
  color: white !important;
}
/* Formulario */
.form-control:focus {
  border-color: var(--electric-blue) !important;
  box-shadow: 0 0 0 0.25rem rgba(0, 119, 255, 0.25) !important;
}
/* Footer */
.custom-footer {
  background-color: var(--dark-bg) !important;
  border-top: 2px solid var(--electric-blue-dark);
}
.custom-footer a:hover {
  color: var(--electric-blue-light) !important;
}
/* Modales */
.custom-modal {
  background-color: #000 !important;
  color: white !important;
  border-radius: 15px;
  border: 2px solid var(--electric-blue) !important;
  box-shadow: 0 0 25px rgba(0, 119, 255, 0.5) !important;
}
.custom-modal-header,
.custom-modal-footer {
  border-color: var(--electric-blue) !important;
}
.custom-modal .modal-title {
  color: var(--electric-blue-light) !important;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}
.custom-modal .btn-close {
  filter: invert(1);
}
/* Light Mode */
.light-mode .card {
  background-color: #fff;
  color: #212529;
  box-shadow: 0 0 15px rgba(0, 119, 255, 0.2);
}
.light-mode .card:hover {
  box-shadow: 0 0 25px rgba(0, 119, 255, 0.4);
}
.light-mode .custom-modal {
  background-color: #fff !important;
  color: #212529 !important;
}
/* ===== ANIMACIÓN DE PARTÍCULAS ===== */
.products-section {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
}
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.products-content {
  position: relative;
  z-index: 1;
}
/* Animación de partículas */
.wrap {
  height: 100%;
  perspective: 200px;
  transform-style: preserve-3d;
}
.c {
  position: absolute;
  background-color: var(--particle-color);
  border-radius: 50%;
  opacity: 0.7;
  animation: move 15s infinite linear;
}
@keyframes move {
  0% {
    transform: translateZ(-500px) rotate(0deg);
  }
  100% {
    transform: translateZ(500px) rotate(360deg);
  }
}
/* Selector de colores para partículas */
.color-picker {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  gap: 10px;
  flex-wrap: wrap;
}
.color-option {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s, border-color 0.2s;
}
.color-option:hover {
  transform: scale(1.2);
}
.color-option.active {
  border-color: white;
}
/* Asegurar que las partículas se vean en modo claro y oscuro */
.light-mode .c {
  opacity: 0.5;
}
/* Ajustes para la sección de productos con partículas */
#productos {
  position: relative;
  overflow: hidden;
}