/* ── Mobile navbar overrides ─────────────────────────────────────
   All rules here are scoped to max-width: 767px.
   navbar.css (desktop) is left completely untouched.
────────────────────────────────────────────────────────────────── */

/* Mobile title animation — declared outside media query so transitions always apply */
.orbis-nav__mobile-title {
  transition: opacity 0.18s ease, transform 0.18s ease, color 0.3s;
}

/* Mobile theme button hidden on desktop */
.orbis-nav__mobile-theme-btn {
  display: none;
}

@media (max-width: 767px) {

  /* ── Nav bar grid: brand | [space] | theme | burger ────────── */
  .orbis-nav {
    grid-template-columns: auto 1fr auto auto;
    padding: 0 14px;
    gap: 0;
  }

  /* Brand stays left — z-index so it sits above the absolute title */
  .orbis-nav__brand {
    grid-column: 1;
    order: 1;
    justify-self: start;
    position: relative;
    z-index: 1;
  }

  /* Title is pinned to the full viewport width — truly centred */
  .orbis-nav__mobile-title {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-body);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.01em;
    /* Hero: white text over the frosted bar (matches dark mode) */
    color: rgba(255, 255, 255, 0.88);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    z-index: 0;
  }

.orbis-nav__mobile-title.is-changing {
    opacity: 0;
    transform: translateY(6px);
  }

  /* After scroll: accent-tinted nav text colour (both themes) */
  body.scrolled .orbis-nav__mobile-title {
    color: color-mix(in srgb, var(--c-accent) 55%, var(--c-nav-text));
  }

  /* Non-hero pages (blog, login, etc.): hide the title, except on blog */
  body:not(.has-hero) .orbis-nav__mobile-title {
    display: none;
  }

  body:not(.has-hero) .orbis-nav__mobile-title--blog {
    display: flex;
    color: color-mix(in srgb, var(--c-accent) 55%, var(--c-nav-text));
  }

  /* ── Mobile theme toggle (left of burger) ───────────────────── */
  .orbis-nav__mobile-theme-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    grid-column: 3;
    order: 3;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 4px 6px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
  }

  /* ── Hamburger rightmost ────────────────────────────────────── */
  .orbis-nav__burger {
    grid-column: 4;
    order: 4;
    position: relative;
    z-index: 1;
    justify-self: end;
    width: 32px;
    height: 32px;
    gap: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 4px;
  }

  /* Bolder hamburger lines */
  .orbis-nav__burger span {
    width: 22px;
    height: 2px;
    margin: 3px 0;
    border-radius: 1px;
  }

  /* X animation: centre-to-centre = 2px + 3px + 3px = 8px */
  .orbis-nav__burger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .orbis-nav__burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .orbis-nav__burger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  /* ── Hide desktop-only elements ─────────────────────────────── */
  .orbis-nav__centre {
    display: none;
  }

  .orbis-nav__right {
    display: none;
  }

  /* ── Mobile drawer (flex column: blog top, links, auth bottom) ─ */
  .orbis-nav__mobile-drawer {
    display: flex;
    flex-direction: column;
  }

  /* Blog button at top of drawer */
  .orbis-nav__mobile-top {
    padding: 8px 16px 0;
    flex-shrink: 0;
  }

  .orbis-nav__mobile-top .btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 9px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 980px;
    margin-bottom: 8px;
  }

  /* Section links in the middle */
  .orbis-nav__mobile-links {
    flex: 0 0 auto;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .orbis-nav__mobile-link {
    display: block;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--c-nav-text);
    text-decoration: none;
    border-bottom: 1px solid var(--c-border);
    transition: background 0.12s, color 0.12s;
  }

  .orbis-nav__mobile-links li:last-child .orbis-nav__mobile-link {
    border-bottom: none;
  }

  .orbis-nav__mobile-link:hover {
    background: color-mix(in srgb, var(--c-accent) 8%, transparent);
    color: var(--c-accent);
  }

  /* Auth section pinned at bottom — no extra padding, flush with links */
  .orbis-nav__mobile-auth {
    border-top: 1px solid var(--c-border);
    padding: 0;
    flex-shrink: 0;
  }

  /* Logged-in: username + logout on one row, opposite ends */
  .orbis-nav__mobile-auth--row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .orbis-nav__mobile-auth--row .orbis-nav__mobile-link {
    border-bottom: none;
    flex: 0 0 auto;
  }

  .orbis-nav__mobile-link--muted {
    color: var(--c-text-muted);
    font-weight: 400;
    font-size: 14px;
  }

}