:root {
  --header-bg: #000000;
  --header-border: rgba(255, 255, 255, 0.09);
  --nav-muted: #b8bec8;
  --nav-hover: #ffffff;
  --nav-accent: #7fb0ff;
}

#site-header {
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 6px clamp(10px, 2.4vw, 24px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  line-height: 1;
  color: #ffffff;
  text-decoration: none;
}

.site-header__logo {
  width: auto;
  height: clamp(56px, 8.2vw, 78px);
  display: block;
  object-fit: contain;
  max-width: min(46vw, 340px);
  margin: 0;
}

.site-header__nav {
  margin-left: auto;
}

.site-header__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 34px);
  margin: 0;
  padding: 0;
}

.site-header__link {
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--nav-muted);
  text-decoration: none;
  transition: color 0.25s ease, text-shadow 0.25s ease;
  white-space: nowrap;
}

.site-header__link:hover {
  color: var(--nav-hover);
}

.site-header__link.is-active {
  color: var(--nav-accent);
  text-shadow: 0 0 10px rgba(127, 176, 255, 0.55);
}

@media (max-width: 760px) {
  .site-header {
    padding: 6px 10px;
    gap: 10px;
  }

  .site-header__nav {
    margin-left: 0;
    min-width: 0;
    flex: 1;
    overflow-x: auto;
  }

  .site-header__list {
    width: max-content;
    gap: 14px;
    padding-bottom: 2px;
  }

  .site-header__link {
    font-size: 0.83rem;
  }

  .site-header__logo {
    height: clamp(46px, 13vw, 62px);
    max-width: 52vw;
  }
}