.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 56px;
  padding: 0 clamp(16px, 4vw, 30px);
  color: var(--ui-chrome-text);
  background: rgba(11, 17, 32, .92);
  border-bottom: 1px solid var(--ui-chrome-border);
  backdrop-filter: blur(16px);
}

.site-header--app,
.site-header--compact {
  justify-content: flex-start;
  gap: 10px;
  min-height: 40px;
  padding: 0 14px;
  background: var(--ui-chrome-surface);
  border-bottom-color: var(--ui-border);
  backdrop-filter: none;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  color: var(--ui-chrome-text);
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  white-space: nowrap;
}

.site-brand-mark {
  display: block;
  width: 29px;
  height: 29px;
  object-fit: contain;
  border-radius: 8px;
}

.site-brand-name {
  color: var(--ui-chrome-text);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.site-nav a.site-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 10px;
  color: var(--ui-chrome-muted);
  border: 1px solid transparent;
  border-radius: var(--ui-radius-sm);
  font: 13px/1.2 var(--ui-font-ui);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}

.site-nav a.site-nav-link:hover,
.site-nav a.site-nav-link:focus-visible {
  color: var(--ui-chrome-accent);
  background: rgba(78, 201, 176, .1);
  border-color: rgba(78, 201, 176, .32);
  outline: none;
}

.site-nav a.site-nav-link.is-active {
  color: var(--ui-chrome-accent);
  background: rgba(78, 201, 176, .14);
  border-color: rgba(78, 201, 176, .42);
}

.site-header-link {
  color: var(--ui-action-strong);
  font-size: 12px;
  text-decoration: none;
}

.site-header-link:hover,
.site-header-link:focus-visible {
  color: var(--ui-accent-strong);
  outline: none;
}

.site-footer {
  color: var(--ui-faint);
  border-top: 1px solid var(--ui-border-soft);
  font: 12px/1.5 var(--ui-font-ui);
  text-align: center;
}

@media (max-width: 800px) {
  .site-header:not(.site-header--app):not(.site-header--compact) {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    min-height: 74px;
    padding: 10px 14px 7px;
  }

  .site-header:not(.site-header--app):not(.site-header--compact) .site-nav {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .site-header:not(.site-header--app):not(.site-header--compact) .site-nav a.site-nav-link {
    display: inline-flex !important;
    flex: 0 0 auto;
    min-height: 28px;
    padding: 4px 8px;
    font-size: 11px;
  }
}