:root {
  --header-line: var(--line, rgba(255, 255, 255, 0.16));
  --header-text: #9a9a9a;
}

.topbar {
  position: relative;
  z-index: 3;
  height: var(--nav-height, 64px);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 26px;
  border-bottom: 1px solid var(--header-line);
  backdrop-filter: blur(4px);
}

.brand {
  position: absolute;
  left: 26px;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.brand-avatar {
  width: 34px;
  height: 34px;
  object-fit: cover;
  object-position: center 28%;
  display: block;
  border-radius: 50%;
  transform: scale(1.34);
}

.nav {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 24px;
  padding: 2px 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--header-text);
  text-decoration: none;
  font-family: "Saira Semi Condensed", "Avenir Next Condensed", "Arial Narrow", sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: none;
  transition: color 180ms ease, text-shadow 180ms ease;
}

.nav-link + .nav-link {
  margin-left: 36px;
}

.nav-link + .nav-link::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 50%;
  transform: translateY(-55%);
  width: 0.22em;
  height: 0.22em;
  border-radius: 50%;
  background: rgba(239, 239, 239, 0.72);
  pointer-events: none;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #b3b3b3;
  text-decoration: none;
  text-shadow: none;
  outline: none;
}

.nav-link.active,
.nav-link[aria-current="page"] {
  color: #c0c0c0;
  text-decoration: none;
  text-shadow: none;
}

@media (max-width: 640px) {
  .topbar {
    justify-content: center;
    padding: 0 8px 0 52px;
    gap: 0;
  }

  .brand {
    position: absolute;
    left: 8px;
    flex: 0 0 auto;
  }

  .brand-avatar {
    width: 28px;
    height: 28px;
    transform: none;
  }

  .nav {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav-link {
    min-height: 24px;
    padding: 2px 1px;
    font-size: 1rem;
    letter-spacing: 0.04em;
    white-space: nowrap;
  }

  .nav-link + .nav-link {
    margin-left: 14px;
  }

  .nav-link + .nav-link::before {
    left: -8px;
  }
}

@media (max-width: 360px) {
  .topbar {
    padding-left: 48px;
  }

  .nav-link {
    font-size: 0.92rem;
    letter-spacing: 0.03em;
  }

  .nav-link + .nav-link {
    margin-left: 11px;
  }

  .nav-link + .nav-link::before {
    left: -6px;
  }
}