/* Site-wide header — canonical markup: scripts/header-block.html */
:root {
  --header-h: 60px;
  --header-bg: #000000;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--header-bg);
  font-family: "TildaSans", Arial, sans-serif;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
}

.logo:hover {
  color: #ffffff;
  opacity: 0.92;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.nav-left {
  justify-content: flex-start;
}

.nav-right {
  justify-content: flex-end;
}

.nav-left a,
.nav-right a {
  color: #ffffff;
  font-weight: 600;
  font-size: 16px;
  padding: 0 15px;
  text-decoration: none;
}

.nav-left a:hover,
.nav-right a:hover {
  color: #ffffff;
  opacity: 0.85;
}

.nav-left a[aria-current="page"],
.nav-right a[aria-current="page"] {
  opacity: 0.72;
}

.menu-btn {
  display: none;
  background: none;
  border: none;
  width: 2rem;
  height: 2rem;
  cursor: pointer;
  margin-left: auto;
  padding: 0;
}

.menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: #ffffff;
  margin: 6px 0;
}

@media (max-width: 960px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .header-inner.nav-open .nav-left,
  .header-inner.nav-open .nav-right {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    left: 0;
    right: 0;
    background: var(--header-bg);
    padding: 0.5rem 0 1rem;
    z-index: 99;
  }

  .header-inner.nav-open .nav-left {
    top: var(--header-h);
  }

  .header-inner.nav-open .nav-right {
    top: calc(var(--header-h) + 3.25rem);
    padding-top: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .header-inner.nav-open:has(.nav-left li:nth-child(2)) .nav-right {
    top: calc(var(--header-h) + 5.5rem);
  }

  .header-inner.nav-open .nav-left a,
  .header-inner.nav-open .nav-right a {
    padding: 0.75rem 1.5rem;
  }

  .menu-btn {
    display: block;
  }

  .logo {
    position: static;
    transform: none;
    margin-right: auto;
  }

  .header-inner {
    gap: 1rem;
  }
}