.site-header {
  position: sticky;
  z-index: 200;
  top: 0;
  border-bottom: 1px solid #e8ece7;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(14px);
}

.site-header-inner {
  display: flex;
  width: 100%;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 40px;
}

.site-header-start,
.site-header-brand,
.site-header-nav,
.site-header-actions {
  display: flex;
  align-items: center;
}

.site-header-start {
  min-width: 0;
  gap: clamp(24px, 4vw, 52px);
}

.site-header-brand {
  min-width: 0;
  max-width: min(42vw, 300px);
  flex-shrink: 0;
  gap: 10px;
  color: #203b32;
  text-decoration: none;
}

.site-header-brand:hover {
  color: #203b32;
  text-decoration: none;
}

.site-header-mark {
  display: grid;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  place-items: center;
  border-radius: 9px;
  background: #203b32;
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: -.04em;
}

.site-header-name {
  overflow: hidden;
  color: #203b32;
  font-size: .97rem;
  font-weight: 650;
  letter-spacing: -.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header-nav {
  gap: 5px;
}

.site-header-nav a {
  padding: 9px 11px;
  border-radius: 6px;
  color: #68766d;
  font-size: .84rem;
  font-weight: 500;
  text-decoration: none;
  transition: color .16s ease, background-color .16s ease;
}

.site-header-nav a:hover,
.site-header-nav a.active {
  background: #f2f5f1;
  color: #203b32;
  text-decoration: none;
}

.site-header-nav a.active {
  font-weight: 600;
}

.site-header-actions {
  flex-shrink: 0;
  gap: 8px;
}

.site-header-actions .btn {
  min-height: 38px;
  padding: 7px 15px;
  border-radius: 6px;
  font-size: .82rem;
  font-weight: 600;
}

.site-header-actions .btn-secondary {
  border-color: transparent;
  background: transparent;
  color: #405147;
}

.site-header-actions .btn-secondary:hover {
  border-color: #e1e8e0;
  background: #f5f7f3;
  color: #203b32;
}

.site-header-actions .btn-primary {
  border-color: #203b32;
  background: #203b32;
}

.site-header-actions .btn-primary:hover {
  border-color: #36594a;
  background: #36594a;
}

@media (max-width: 760px) {
  .site-header-inner {
    flex-wrap: wrap;
    gap: 0 12px;
    padding: 10px 20px 0;
  }

  .site-header-start {
    display: contents;
  }

  .site-header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 3px;
    margin-top: 8px;
    padding: 7px 0 8px;
    border-top: 1px solid #edf0ec;
    scrollbar-width: none;
  }

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

  .site-header-nav a {
    flex-shrink: 0;
    padding: 8px 10px;
  }

  .site-header-actions {
    margin-left: auto;
  }
}