.home-ico,
.page-shift,
.page-picker { display: none; }
.home-ico { width: 22px; height: 22px; fill: currentColor; }
.page-slide { display: contents; }

/* Portrait phone only. Landscape and desktop keep the full header. */
@media (max-width: 860px) and (orientation: portrait) {
  /* Equal side columns so the page name sits in the true center, not against the mode button. */
  body:not(.home) header {
    grid-template-columns: 1fr auto 1fr;
  }
  body:not(.home) header .brand { justify-self: start; }
  body:not(.home) header .dock {
    justify-self: center;
    text-align: center;
    max-width: 100%;
  }
  body:not(.home) header .right { justify-self: end; }

  body.home header .right { z-index: 4; }
  body.home header .brand {
    justify-self: center;
    position: absolute;
    left: 50%;
    z-index: 1;
    width: max-content;
    max-width: calc(100% - 108px);
    text-align: center;
    font-family: "IBM Plex Sans", system-ui, sans-serif;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    transform: translateX(-50%) translateY(8px) scale(.86);
  }
  body.home header .brand.on {
    transform: translateX(-50%);
  }

  header.docked .brand {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    overflow: hidden;
  }
  header.docked .brand-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }
  header.docked .home-ico {
    display: block;
  }
  .page-slide { display: contents; }
  header.docked .page-slide {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr) 22px;
    align-items: center;
    justify-self: stretch;
    grid-column: 2;
    column-gap: 2px;
    min-width: 0;
  }
  header.docked .dock {
    font-size: clamp(22px, 7vw, 34px);
    pointer-events: auto;
    cursor: pointer;
    justify-self: center;
  }
  header.picking .dock { display: none; }

  .page-shift {
    display: none;
  }
  header.docked .page-shift {
    display: grid;
    place-items: center;
    width: 22px;
    height: 32px;
    border: 0;
    background: transparent;
    color: var(--accent);
    opacity: .24;
    font-size: 22px;
    line-height: 1;
    padding: 0;
    cursor: pointer;
    transition: opacity .2s ease;
  }
  header.docked .page-shift:active {
    opacity: .65;
  }

  .page-picker { display: none; }
  header.picking .page-picker {
    display: block;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  header.picking .page-picker::-webkit-scrollbar { display: none; }
  .page-picker-track {
    display: flex;
    align-items: center;
  }
  .page-picker a {
    box-sizing: border-box;
    scroll-snap-align: center;
    text-align: center;
    font-size: clamp(22px, 7vw, 34px);
    font-weight: 700;
    letter-spacing: -.04em;
    line-height: 1;
    color: var(--ink);
    opacity: .28;
    transform: scale(.78);
    filter: blur(.2px);
    transition: opacity .22s ease, transform .22s ease, color .22s ease, filter .22s ease;
    padding: 6px 0 8px;
  }
  .page-picker a.on {
    opacity: 1;
    transform: scale(1);
    filter: none;
    color: var(--accent);
    text-shadow: 0 0 22px color-mix(in srgb, var(--accent) 55%, transparent);
  }
}