.installation-guides__wrapper {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 768px) {
  .installation-guides__wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}
.installation-guides__sidebar {
  position: sticky;
  top: 2rem;
}
@media (max-width: 768px) {
  .installation-guides__sidebar {
    position: static;
  }
}
.installation-guides__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: #f5f5f5;
  border-radius: 0.5rem;
  overflow: hidden;
}
.installation-guides__nav-item {
  width: 100%;
  padding: 1.5rem 2rem;
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  text-align: left;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}
.installation-guides__nav-item:not(:last-child) {
  border-bottom: 1px solid #e5e5e5;
}
.installation-guides__nav-item:hover {
  background: #fff;
  color: var(--primary);
}
.installation-guides__nav-item.active {
  background: #fff;
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}
.installation-guides__content {
  min-height: 500px;
}
.installation-guides__guide {
  display: none;
  animation: fadeIn 0.3s ease;
}
.installation-guides__guide.active {
  display: block;
}
.installation-guides__title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--heading);
}
.installation-guides__body {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--text);
}
.installation-guides__body h1, .installation-guides__body h2, .installation-guides__body h3, .installation-guides__body h4, .installation-guides__body h5, .installation-guides__body h6 {
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}
.installation-guides__body p {
  margin-bottom: 1.5rem;
}
.installation-guides__body ul, .installation-guides__body ol {
  margin-bottom: 2rem;
  padding-left: 2rem;
}
.installation-guides__body li {
  margin-bottom: 1rem;
}
.installation-guides__body img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
}
.installation-guides__body iframe {
  max-width: 100%;
  border-radius: 0.5rem;
  height: auto;
  aspect-ratio: 1.7777777778;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}