.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.language-control {
  position: relative;
  display: inline-flex;
}

.language-select {
  min-width: 58px;
  height: 40px;
  padding: 0 8px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 0;
  background: #101a15;
  color: #fff;
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.language-select:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html[lang="de"] .hero h1,
html[lang="pl"] .hero h1 {
  font-size: clamp(48px, 6.2vw, 94px);
}

html[lang="zh-Hans"] body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", var(--font-primary), Arial, sans-serif;
}

html[lang="zh-Hans"] .hero h1 {
  font-size: clamp(50px, 6.7vw, 104px);
  letter-spacing: -0.035em;
  font-weight: 600;
}

html[lang="zh-Hans"] .section-label,
html[lang="zh-Hans"] .eyebrow,
html[lang="zh-Hans"] .event-note span,
html[lang="zh-Hans"] .focus-footnote,
html[lang="zh-Hans"] .section-contact,
html[lang="zh-Hans"] .section-top,
html[lang="zh-Hans"] footer p,
html[lang="zh-Hans"] footer a {
  letter-spacing: 0.04em;
}

@media (width <= 900px) {
  .header-tools {
    margin-left: auto;
  }
}

@media (width <= 560px) {
  .site-header {
    gap: 8px;
  }

  .brand-copy {
    display: none;
  }

  .header-tools {
    gap: 8px;
  }

  .language-select {
    min-width: 50px;
    height: 38px;
    padding: 0 5px;
    font-size: 10px;
  }

  .header-cta {
    min-height: 38px;
    padding: 9px 10px;
    font-size: 11px;
  }

  html[lang="de"] .hero h1,
  html[lang="pl"] .hero h1 {
    font-size: 43px;
  }

  html[lang="de"] .hero,
  html[lang="pl"] .hero {
    min-height: 880px;
    padding-bottom: 170px;
  }

  .button {
    max-width: 100%;
    gap: 28px;
  }

  html[lang="zh-Hans"] .hero h1 {
    font-size: 47px;
  }
}

@media (width <= 380px) {
  .site-header {
    padding-left: 14px;
    padding-right: 14px;
  }

  .brand-logo {
    width: 102px;
  }

  .header-cta {
    gap: 7px;
    padding-left: 8px;
    padding-right: 8px;
  }

  .button {
    gap: 20px;
    padding-left: 16px;
    padding-right: 16px;
    font-size: 11px;
  }
}