.card-hero-1 {
  background: radial-gradient(circle at 100% 100%, #2662F5 0%, #91C9FA 22%, #2662F5 30%, #000B5C 60%, #000000 80%);
}

/* nav toggler */

.nav-toggler {
  width: 2.5rem;
  height: 2.5rem;
  padding: .7rem;
  cursor: pointer;
  z-index: 999;
  background-color: transparent;
  border-radius: 9999px;
  transition: 0.5s cubic-bezier(.67, -0.27, -0, 1.23), background .3s ease, opacity .1s;
  transition-delay: .1s, opacity 0s; 
  color: inherit;
  opacity: .7;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.btn-intro:hover .nav-toggler-start, .nav-toggler:hover {
  opacity: 1
}

.nav-toggler[aria-expanded="true"], .nav-toggler[aria-expanded="true"], .nav-toggler:focus {
  background-color: var(--gray-200);
}


:not(.show) + .btn-intro .nav-toggler-start, .nav-toggler[aria-expanded="true"] {
  transform: rotate(45deg);
  transition-delay: .1s; 
  opacity: 1;
}

.nav-toggler-start div {
  background-color: currentcolor!important;
  width: 100%;
  height: 2.5px;
  border-radius: 2.5px;
}

.nav-toggler-start div:nth-child(1), .nav-toggler-start div:nth-child(3) {
  width: 50%;
}

.nav-toggler-start div:nth-child(1) {
  transition: transform .3s cubic-bezier(0.54, -0.81, 0.57, 0.57);
  transform-origin: right;
  transition-delay: .1s; 
}

:not(.show) + .btn-intro  .nav-toggler-start div:nth-child(1), .nav-toggler[aria-expanded="true"] div:nth-child(1) {
  transform: rotate(-90deg) translateX(1px);
  transition-delay: .1s; 
  
}

.nav-toggler-start div:nth-child(3) {
  align-self: flex-end;
  transition: transform .3s cubic-bezier(0.54, -0.81, 0.57, 0.57);
  transform-origin: left;
  transition-delay: .1s; 
}

:not(.show) + .btn-intro  .nav-toggler-start div:nth-child(3), .nav-toggler[aria-expanded="true"] div:nth-child(3) {
  transform: rotate(-90deg) translateX(-1px);
  transition-delay: .1s; 
}

/* mode */

.mode-switch {
  cursor: pointer;
  margin-bottom: 0;
  padding: 0;
  transform: scale(0.8);
  border-radius: 100rem;
  border: none;
}

.mode-switch:focus {
  box-shadow: none;
}

.mode-switch .toggle {
  border-radius: 50%;
  width: 20px;
  height: 20px;
  position: relative;
  box-shadow: inset 8px -8px 0 0 currentcolor;
  transform: scale(1) rotate(-2deg);
  transition: box-shadow 0.5s ease 0s, transform 0.4s ease 0.1s, opacity .2s;
  opacity: .5;
}

.mode-switch:active .toggle {
  opacity: 1;
}

@media (min-width: 576px) {
  .mode-switch:hover .toggle {
    opacity: 1;
  }
}

.mode-switch:active .toggle::after {
  opacity: 1;
}

@media (min-width: 576px) {
  .mode-switch:hover .toggle::after {
    opacity: 1;
  }
}

.mode-switch .toggle.active {
  opacity: 1;
}

.mode-switch .toggle::before {
  content: "";
  width: inherit;
  height: inherit;
  border-radius: inherit;
  position: absolute;
  left: 0;
  top: 0;
  transition: background-color 0.3s ease;
}

.mode-switch .toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin: -3px 0 0 -3px;
  position: absolute;
  top: 50%;
  left: 50%;
  box-shadow: 0 -23px 0 currentcolor, 0 23px 0 currentcolor, 23px 0 0 currentcolor, -23px 0 0 currentcolor, 15px 15px 0 currentcolor, -15px 15px 0 currentcolor, 15px -15px 0 currentcolor, -15px -15px 0 currentcolor;
  transform: scale(0);
  transition: all 0.3s ease;
  opacity: .4;
}

.mode-switch .toggle.active {
  box-shadow: inset 20px -20px 0 0 currentcolor;
  transform: scale(0.5) rotate(0deg);
  transition: transform 0.3s ease 0.1s, box-shadow 0.2s ease 0s;
}

.mode-switch .toggle.active::before {
  background: currentcolor;
  transition: background-color 0.3s ease 0.1s;
}

.mode-switch .toggle.active::after {
  transform: scale(1);
  transition: transform 0.5s ease 0.15s, opacity .2s;
}


/* accordion */
.accordion [aria-expanded="false"] {
  color: var(--body-color-muted)
}
.accordion [aria-expanded="true"], .accordion [aria-expanded="false"]:hover {
  color: var(--body-color)
}

.accordion .fa-chevron-right {
  transition: transform 0.2s ease;
}

.accordion [aria-expanded="true"] .fa-chevron-right {
  transform: rotate(90deg);
}