:root {
  --primary-color: #454545;
  --hover-color: #353c41;
  --light-bg: #f8f9fa;
  --dark-text: #333333;
  --transition-speed: 0.1s;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
}

.navbar {
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.95),
    rgba(255, 255, 255, 0.98)
  );
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: none;
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.3);
}

.navbar-brand img {
  max-height: 40px;
  transition: none;
}

.nav-item {
  margin: 0 1px;
}

.nav-link {
  color: var(--dark-text) !important;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 0.8rem 0.5rem !important;
  transition: all var(--transition-speed);
  text-transform: uppercase;
  font-size: 0.85rem;
}

.navbar .nav-link:hover {
  color: var(--primary-color) !important;
}

.navbar .nav-link:hover .position-absolute {
  opacity: 1;
}

.position-absolute {
  height: 2px;
  background-color: var(--primary-color);
  opacity: 0;
  transition: all var(--transition-speed);
}

.dropdown-menu {
  border: none;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  padding: 0.7rem 0;
  margin-top: 10px;
  animation: dropdownFade 0.3s ease;
}

@keyframes dropdownFade {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-item {
  padding: 0.7rem 1.5rem;
  font-weight: 500;
  transition: all 0.2s;
}

.dropdown-item:hover {
  background-color: var(--light-bg);
  color: var(--primary-color);
}

.dropdown-divider {
  margin: 0.5rem 1rem;
  opacity: 0.1;
}

.dropdown-toggle::after {
  display: inline-block;
  margin-left: 0.255em;
  vertical-align: middle;
  content: "▾";
  border: none;
  transition: transform 0.2s ease;
  font-size: 0.85rem;
}

.dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.navbar-nav {
  align-items: center;
}

.navbar-nav .vr {
  align-self: center;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  border-radius: 6px;
  background-color: rgba(13, 110, 253, 0.1);
  transition: all var(--transition-speed);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2);
}

.navbar-toggler i {
  color: var(--primary-color);
}

.nav-link.btn-action {
  background-color: var(--primary-color);
  color: white !important;
  border-radius: 30px;
  padding: 0.6rem 1.5rem !important;
  margin-left: 10px;
  transition: all 0.3s;
}

.nav-link.btn-action:hover {
  background-color: var(--hover-color);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(13, 110, 253, 0.25);
}

/* WHATSAPP */
.btn-whatsapp-mobile {
  display: none !important;
}



/* LOADER */
#contenido {
  min-height: 80vh;
  transition: opacity 0.3s ease;
}

.loader {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media (max-width: 992px) {
  .navbar .nav-link {
    padding: 0.8rem 0;
  }
  .nav-item {
    display: flex;
    flex-direction: column;
  }
  .navbar .dropdown-menu {
    border: none;
    box-shadow: none !important;
    padding-left: 1rem;
    border-radius: 8px;
  }

  .navbar .position-absolute {
    display: none;
  }

  .navbar .vr {
    display: none;
  }
  .navbar-collapse {
    padding: 1rem;
    margin-top: 0.5rem;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  }
  .dropdown-menu {
    position: static !important;
    float: none;
    width: auto;
    margin-top: 0;
    background-color: transparent;
    border: 0;
    box-shadow: none;
    padding-left: 1rem;
  }
  .navbar-nav .dropdown-menu {
    max-height: none;
    overflow: visible;
  }
  .navbar-collapse {
    max-height: 80vh;
    overflow-y: auto;
  }
}

/* Media Query para pantallas medianas y grandes (ordenadores) */
@media (min-width: 768px) {
  .btn-whatsapp-web {
    display: inline-flex !important;
  }

  .btn-whatsapp-mobile {
    display: none !important;
  }
}

/* Media Query para pantallas pequeñas (móviles) */
@media (max-width: 767px) {
  .btn-whatsapp-web {
    display: none !important;
  }

  .btn-whatsapp-mobile {
    display: inline-flex !important;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    padding: 10px 15px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
  }

  .btn-whatsapp-mobile i {
    font-size: 1.5em;
  }
}