.nrg-is,
.nrg-is * {
  box-sizing: border-box;
}

.nrg-is {
  --nrg-is-duration: 320ms;
  --nrg-is-description-gap: 10px;
  width: 100%;
  font-family: inherit;
}

.nrg-is__inner {
  width: 100%;
  margin-inline: auto;
}

.nrg-is__grid {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.nrg-is__steps-column {
  display: flex;
  flex: 0 1 50%;
  flex-direction: column;
  min-width: 0;
}

.nrg-is__media-column {
  flex: 1 1 0;
  min-width: 0;
}

.nrg-is__steps {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.nrg-is__step {
  appearance: none;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  width: 100%;
  margin: 0;
  border: 1px solid transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    background-color var(--nrg-is-duration) ease,
    border-color var(--nrg-is-duration) ease,
    box-shadow var(--nrg-is-duration) ease,
    padding var(--nrg-is-duration) ease;
}

.nrg-is__step:focus-visible {
  outline: 2px solid #48687e;
  outline-offset: 3px;
}

.nrg-is__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-style: solid;
  border-radius: 50%;
  line-height: 1;
  transition:
    color var(--nrg-is-duration) ease,
    background-color var(--nrg-is-duration) ease,
    border-color var(--nrg-is-duration) ease;
}

.nrg-is__copy,
.nrg-is__title,
.nrg-is__description {
  display: block;
  min-width: 0;
}

.nrg-is__title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}

.nrg-is__description {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  font-size: 16px;
  line-height: 1.65;
  opacity: 0;
  transform: translateY(-4px);
  transition:
    max-height var(--nrg-is-duration) ease,
    margin-top var(--nrg-is-duration) ease,
    opacity var(--nrg-is-duration) ease,
    transform var(--nrg-is-duration) ease;
}

.nrg-is__step.is-active .nrg-is__description {
  max-height: 260px;
  margin-top: var(--nrg-is-description-gap);
  opacity: 1;
  transform: translateY(0);
}

.nrg-is__media {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #eef1f2;
  isolation: isolate;
}

.nrg-is__panel {
  position: absolute;
  inset: 0;
  z-index: 1;
  visibility: hidden;
  opacity: 0;
  transform: scale(1.018);
  transition:
    opacity var(--nrg-is-duration) ease,
    transform var(--nrg-is-duration) ease,
    visibility 0s linear var(--nrg-is-duration);
}

.nrg-is__panel.is-active {
  z-index: 2;
  visibility: visible;
  opacity: 1;
  transform: scale(1);
  transition-delay: 0s;
}

.nrg-is__image {
  display: block;
  width: 100%;
  height: 100%;
}

.nrg-is__badge {
  position: absolute;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .14em;
  text-transform: uppercase;
  box-shadow: 0 3px 12px rgba(0, 0, 0, .08);
}

.nrg-is__button-wrap {
  display: flex;
  width: 100%;
}

.nrg-is__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  text-decoration: none;
  transition:
    color 200ms ease,
    background-color 200ms ease,
    border-color 200ms ease,
    transform 200ms ease;
}

.nrg-is__button:hover {
  transform: translateY(-2px);
}

.nrg-is__button-icon,
.nrg-is__button-icon svg {
  display: block;
  width: 1em;
  height: 1em;
  fill: currentColor;
}

@media (max-width: 767px) {
  .nrg-is__grid {
    flex-direction: column;
  }

  .nrg-is.image-first .nrg-is__media-column {
    order: -1;
  }

  .nrg-is__steps-column,
  .nrg-is__media-column {
    width: 100%;
    flex-basis: auto !important;
  }

  .nrg-is__step {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .nrg-is__title {
    font-size: 17px;
  }

  .nrg-is__description {
    font-size: 14px;
    line-height: 1.55;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nrg-is__step,
  .nrg-is__number,
  .nrg-is__description,
  .nrg-is__panel,
  .nrg-is__button {
    transition: none !important;
  }
}