:root {
  --project-nav-ink: var(--color-navy-800, #082338);
  --project-nav-active: var(--color-teal-600, #00919b);
  --project-nav-accent: var(--color-teal-500, #00c7c2);
  --project-nav-active-bg: var(--color-teal-50, #e6fafa);
  --project-nav-line: #dfe8ec;
}

.project-nav,
.project-nav * {
  box-sizing: border-box;
}

.project-nav {
  position: sticky;
  top: var(--nh-header-height, 76px);
  z-index: 80;
  background: #fff;
  border-bottom: 1px solid var(--project-nav-line);
  box-shadow: 0 5px 18px rgba(8, 35, 56, 0.06);
  font-family: var(--font-sans, 'Plus Jakarta Sans', sans-serif);
}

.project-nav__inner {
  width: min(1480px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, clamp(220px, 29vw, 410px)) minmax(0, 1fr);
  align-items: center;
  column-gap: clamp(0.75rem, 2vw, 2rem);
}

.project-nav__identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--project-nav-ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.project-nav__identity span {
  min-width: 0;
  line-height: 1.35;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.project-nav__identity img {
  flex: 0 0 auto;
  width: auto;
  max-width: 120px;
  height: 44px;
  object-fit: contain;
}

.project-nav__links {
  min-width: 0;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  gap: clamp(0.15rem, 0.5vw, 0.55rem);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #b9d5d6 transparent;
}

.project-nav .project-nav__inner .project-nav__links > a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  padding: 0 clamp(0.45rem, 0.8vw, 0.8rem);
  border-bottom: 3px solid transparent;
  color: var(--project-nav-ink) !important;
  background: transparent;
  font-family: var(--font-sans, 'Plus Jakarta Sans', sans-serif);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.project-nav .project-nav__inner .project-nav__links > a:hover,
.project-nav .project-nav__inner .project-nav__links > a:focus-visible,
.project-nav .project-nav__inner .project-nav__links > a.active {
  color: var(--project-nav-active) !important;
  border-bottom-color: var(--project-nav-accent);
  background: var(--project-nav-active-bg);
}

.project-nav__links a:focus-visible,
.project-nav__identity:focus-visible {
  outline: 2px solid var(--project-nav-accent);
  outline-offset: -4px;
}

@media (min-width: 768px) and (max-width: 1050px) {
  .project-nav__inner {
    grid-template-columns: 112px minmax(0, 1fr);
    column-gap: 0.75rem;
  }

  .project-nav__identity {
    justify-content: center;
  }

  .project-nav__identity span {
    display: none;
  }

  .project-nav__identity img {
    max-width: 104px;
    height: 40px;
  }

  .project-nav__links {
    justify-content: space-between;
    gap: 0;
  }

  .project-nav__links a {
    flex: 0 0 auto;
    padding-inline: clamp(0.35rem, 0.75vw, 0.55rem);
    font-size: 12px;
  }
}

@media (max-width: 767px) {
  .project-nav {
    top: var(--nh-header-height, 70px);
  }

  .project-nav__inner {
    width: 100%;
    min-height: auto;
    display: block;
  }

  .project-nav__identity {
    min-width: 0;
    min-height: 52px;
    padding: 0.5rem 1rem 0.4rem;
    border-bottom: 1px solid #edf2f4;
    font-size: 0.8rem;
  }

  .project-nav__identity img {
    max-width: 100px;
    height: 34px;
  }

  .project-nav__links {
    justify-content: flex-start;
    padding: 0 0.5rem;
    scroll-padding-inline: 0.5rem;
  }

  .project-nav__links a {
    min-height: 48px;
    padding: 0 0.7rem;
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-nav__links a {
    transition: none;
  }
}