.case-study-nav {
  --case-nav-accent: #55bdff;
  width: 100%;
  height: 76px;
  padding: 0 max(24px, calc((100vw - 1320px) / 2));
  display: flex;
  align-items: center;
  gap: 30px;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #292d3b;
  background: rgba(9, 11, 17, .96);
  box-shadow: 0 10px 32px rgba(0, 0, 0, .12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

[data-theme="green"] .case-study-nav { --case-nav-accent: #58c98b; }
[data-theme="aqua"] .case-study-nav { --case-nav-accent: #57d5c4; }
[data-theme="gold"] .case-study-nav { --case-nav-accent: #f1b94e; }
[data-theme="violet"] .case-study-nav { --case-nav-accent: #c797ff; }

.case-study-nav .case-study-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #f5f2e9;
  font-family: var(--font-geist-sans), Arial, sans-serif;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.case-study-nav .case-study-brand img {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  object-fit: contain;
}

.case-study-nav nav {
  margin-left: auto;
  display: flex !important;
  align-items: center;
  gap: 26px;
}

.case-study-nav nav a {
  position: relative;
  padding: 29px 0 27px;
  color: #969cac;
  font-family: var(--font-geist-sans), Arial, sans-serif;
  font-size: 12px;
  font-weight: 500;
  line-height: 20px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease;
}

.case-study-nav nav a::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--case-nav-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .2s ease;
}

.case-study-nav nav a:hover,
.case-study-nav nav a:focus-visible,
.case-study-nav nav a[aria-current="page"] {
  color: var(--case-nav-accent);
}

.case-study-nav nav a:hover::after,
.case-study-nav nav a:focus-visible::after,
.case-study-nav nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.case-study-nav nav a:focus-visible,
.case-study-nav .case-study-brand:focus-visible {
  outline: 2px solid var(--case-nav-accent);
  outline-offset: 5px;
}

.case-study-nav + .sub-nav {
  display: none !important;
}

@media (max-width: 700px) {
  .case-study-nav {
    height: auto !important;
    min-height: 100px;
    padding: 14px 18px 0 !important;
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 9px !important;
  }

  .case-study-nav .case-study-brand {
    font-size: 13px;
  }

  .case-study-nav .case-study-brand img {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
  }

  .case-study-nav nav {
    width: 100%;
    margin: 0 !important;
    justify-content: space-between;
    gap: 10px !important;
  }

  .case-study-nav nav a {
    padding: 10px 0 12px;
    font-size: 10px !important;
  }
}

@media (max-width: 390px) {
  .case-study-nav nav { gap: 7px !important; }
  .case-study-nav nav a { font-size: 8px !important; }
}