:root {
  --content-width: 1180px;
  --page-gutter: clamp(18px, 5vw, 72px);
}

html {
  scroll-padding-top: 180px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 14px var(--page-gutter);
  color: #ffffff;
  background: rgba(12, 19, 27, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(14px);
}

.header-inner,
.footer-inner {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--teal);
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.28);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 16px;
  min-width: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}

.site-header nav a:hover {
  color: #ffffff;
}

.language-switch {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.language-switch:hover {
  background: rgba(255, 255, 255, 0.16);
}

.hero {
  padding-top: 32px;
}

.hero-inner {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
}

footer {
  padding: 24px var(--page-gutter);
  color: var(--muted);
  background: #ffffff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.footer-inner {
  flex-wrap: wrap;
}

@media (max-width: 1400px) {
  .site-header nav a[target="_blank"] {
    display: none;
  }
}

@media (max-width: 980px) {
  .header-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 12px;
  }

  .header-actions {
    display: contents;
  }

  .language-switch {
    grid-column: 2;
    grid-row: 1;
  }

  .site-header nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    font-size: 13px;
  }
}

@media (max-width: 640px) {
  :root {
    --page-gutter: 18px;
  }

  .site-header {
    position: relative;
    padding-block: 12px;
  }

  .brand {
    gap: 8px;
    font-size: 13px;
  }

  .brand-mark {
    flex-basis: 32px;
    width: 32px;
    height: 32px;
  }

  .site-header nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 12px;
  }

  .site-header nav a {
    white-space: normal;
  }

  .hero {
    min-height: 0;
    padding-top: 28px;
  }

  .hero-inner {
    max-width: var(--content-width);
  }

  h1 {
    overflow-wrap: anywhere;
  }
}