.site-header,
.site-header * {
  box-sizing: border-box;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.75rem var(--pad) 0.75rem;
  background: var(--limestone);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: normal;
}

.site-header .wordmark {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: 0.85rem;
  letter-spacing: 0.34em;
  text-decoration: none;
}

.site-header .menu-toggle {
  display: none;
}

.site-header .topnav {
  display: flex;
  flex-wrap: nowrap;
  align-items: baseline;
  justify-content: flex-end;
  gap: clamp(0.9rem, 2.2vw, 1.8rem);
}

.site-header .navlink {
  color: var(--silt);
  text-decoration: none;
  white-space: nowrap;
}

.site-header .navlink:hover { color: var(--oxide); }
.site-header .navlink[aria-current="page"] { color: var(--ink); }

.site-header .waitlist {
  display: inline-flex;
  align-items: baseline;
  gap: 0.8rem;
  min-height: 2rem;
  position: relative;
  color: var(--ink);
  font: inherit;
}

.site-header .waitlist .hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.site-header .waitlist .email {
  width: 15ch;
  border: 0;
  border-bottom: 1px solid var(--silt);
  border-radius: 0;
  padding: 0.1rem 0.1rem 0.3rem;
  background: transparent;
  color: var(--ink);
  font: inherit;
}

.site-header .waitlist .email::placeholder {
  color: var(--silt);
  opacity: 1;
}

.site-header .waitlist .email:focus {
  outline: none;
  border-bottom-color: var(--oxide);
}

.site-header .waitlist button {
  border: 1px solid var(--oxide);
  border-radius: 0;
  padding: 0.35em 0.8em;
  background: transparent;
  color: var(--oxide);
  cursor: pointer;
  font: inherit;
  letter-spacing: normal;
  white-space: nowrap;
}

.site-header .waitlist button:hover {
  background: var(--oxide);
  color: var(--limestone);
}

.site-header .waitlist button:disabled {
  cursor: default;
  opacity: 0.55;
}

.site-header .waitlist .status {
  color: var(--oxide);
  font-size: 0.74rem;
}

.site-header .waitlist .status:empty { display: none; }
.site-header .waitlist.sealed .email,
.site-header .waitlist.sealed button { display: none; }

.site-header .waitlist .joined {
  color: var(--ink);
  font-size: 0.76rem;
  white-space: nowrap;
}

.site-header .waitlist .joined .ok { color: var(--oxide); }

.site-header .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;
}

@media (max-width: 900px) {
  .site-header { align-items: flex-start; }
  .site-header .topnav { flex-wrap: wrap; row-gap: 0.65rem; }
  .site-header .waitlist { flex-basis: 100%; justify-content: flex-end; }
}

@media (max-width: 900px) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0 0.75rem;
    padding-top: max(0.75rem, env(safe-area-inset-top));
    padding-right: max(var(--pad), env(safe-area-inset-right));
    padding-bottom: 0.75rem;
    padding-left: max(var(--pad), env(safe-area-inset-left));
  }

  .site-header .wordmark {
    display: inline-flex;
    align-items: center;
    justify-self: start;
    min-width: 0;
    min-height: 2.75rem;
  }

  .site-header.menu-ready .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 4rem;
    min-height: 2.75rem;
    border: 0;
    border-bottom: 1px solid var(--contour);
    border-radius: 0;
    padding: 0.65rem 0.5rem;
    background: transparent;
    color: var(--ink);
    font: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 180ms cubic-bezier(.22, 1, .36, 1), border-color 180ms cubic-bezier(.22, 1, .36, 1);
  }

  .site-header.menu-ready .menu-toggle:hover,
  .site-header.menu-ready .menu-toggle[aria-expanded="true"] {
    border-color: var(--oxide);
    color: var(--oxide);
  }

  .site-header.menu-ready .topnav {
    display: none;
  }

  .site-header.menu-ready[data-menu-open] .topnav {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    width: 100%;
    margin-top: 0.65rem;
    border-top: 1px solid var(--contour);
  }

  .site-header .topnav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    gap: 0 1rem;
  }

  .site-header .navlink {
    display: flex;
    align-items: center;
    min-width: 0;
    min-height: 3rem;
    border-bottom: 1px solid var(--contour);
    font-size: 0.875rem;
  }

  .site-header .waitlist {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    justify-content: stretch;
    gap: 0.75rem;
    width: 100%;
    padding-top: 0.85rem;
  }

  .site-header .waitlist .email {
    width: 100%;
    min-width: 0;
    min-height: 2.75rem;
    padding: 0.55rem 0.1rem;
    font-size: 1rem;
  }

  .site-header .waitlist button {
    min-height: 2.75rem;
    padding: 0.65rem 0.85rem;
    font-size: 0.875rem;
  }

  .site-header .waitlist .status,
  .site-header .waitlist .joined {
    grid-column: 1 / -1;
    font-size: 0.875rem;
    white-space: normal;
  }

  .site-header .waitlist.sealed {
    grid-template-columns: 1fr;
  }
}

@media (pointer: coarse) {
  .site-header .navlink,
  .site-header .waitlist .email,
  .site-header .waitlist button {
    min-height: 2.75rem;
  }
}