/* The desktop navigation shares the arcade identity; the phone drawer stays intact. */
.mega-menu-toggle, .mega-menu, .mega-menu-overlay { display: none; }

@media (min-width: 761px) {
  .site-header__bar { gap: clamp(18px, 2vw, 32px); }
  .site-header .site-search { flex: 1 1 420px; max-width: none; margin-left: 0; }
  .site-header .site-search input { height: 48px; }
  .header-actions { flex-shrink: 0; gap: 8px; }
  .header-actions .mega-menu-toggle {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    min-height: 48px; min-width: 100px; padding: 11px 15px;
    margin-left: 6px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--panel-alt); color: var(--text); font: inherit; font-size: 15px;
    font-weight: 700; cursor: pointer; transition: border-color .2s, background .2s;
  }
  .mega-menu-toggle .icon { width: 23px; height: 23px; }
  .header-actions .mega-menu-toggle:hover,
  .header-actions .mega-menu-toggle[aria-expanded="true"] { background: var(--accent); color: #142009; border-color: var(--accent); }
  .mega-menu-toggle:focus-visible { outline: 3px solid var(--link); outline-offset: 4px; }
  body.mega-menu-is-open { overflow: hidden; }
  .mega-menu-overlay {
    display: block; position: fixed; inset: 0; z-index: 310;
    background: #0009; backdrop-filter: blur(7px);
    opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .22s, visibility .22s;
  }
  .mega-menu-overlay.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
  .mega-menu {
    display: block; position: fixed; z-index: 320; top: calc(var(--header-h) + 12px);
    left: var(--gutter); right: var(--gutter); max-height: calc(100dvh - var(--header-h) - 32px);
    overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin;
    border: 1px solid var(--border); border-top: 3px solid var(--accent); border-radius: 16px;
    background: var(--bg); color: var(--text); box-shadow: 0 30px 100px #0008;
    opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-14px) scale(.99);
    transform-origin: top right; transition: opacity .22s, transform .3s var(--ease-out), visibility .22s;
  }
  .mega-menu.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
  .mega-menu__top {
    position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 24px;
    padding: 22px 30px; border-bottom: 1px solid var(--border); background: var(--bg);
    background-image: radial-gradient(ellipse at 70% -100%, #d4fb521a, transparent 65%);
  }
  .mega-menu__eyebrow { display: block; color: var(--link); margin: 0 0 5px; font-size: 10px; font-weight: 800; letter-spacing: .18em; }
  .mega-menu__top h2 { margin: 0; font-family: var(--display-font); font-size: 44px; line-height: 1; letter-spacing: -.02em; }
  .mega-menu__close { display: flex; align-items: center; gap: 10px; }
  .mega-menu__close-hint { color: var(--muted); font-size: 11px; letter-spacing: .08em; }
  #desktopNavClose { flex: 0 0 46px; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border); background: var(--panel-alt); color: var(--text); cursor: pointer; }
  #desktopNavClose:hover { color: #15200e; background: var(--accent); border-color: var(--accent); }
  .mega-menu__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.15fr; gap: 30px; padding: 26px 30px 30px; }
  .mega-group { min-width: 0; }
  .mega-group + .mega-group { border-left: 1px solid var(--border); padding-left: 24px; }
  .mega-group__heading { display: flex; align-items: center; gap: 9px; margin: 0 0 17px; font-family: var(--display-font); font-size: 28px; font-weight: 750; line-height: 1.15; }
  .mega-group__heading > .icon { color: var(--link); flex-shrink: 0; width: 23px; height: 23px; }
  .mega-category-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; margin-bottom: 12px; }
  .mega-category {
    display: flex; flex-direction: column; justify-content: flex-start; align-items: flex-start; gap: 13px; position: relative;
    min-height: 110px; padding: 15px 13px; border-radius: 10px; border: 1px solid var(--border);
    background: var(--panel-alt); color: var(--text); font-size: 14px; font-weight: 650; line-height: 1.35;
    transition: background .2s, border-color .2s, transform .2s;
  }
  .mega-category__icon { display: flex; color: var(--link); }
  .mega-category__icon .icon { width: 32px; height: 32px; stroke-width: 1.4; }
  .mega-category > .icon:last-child { position: absolute; top: 17px; right: 12px; width: 14px; height: 14px; color: var(--muted); }
  .mega-category:hover { border-color: var(--link); background: var(--panel); transform: translateY(-3px); }
  .mega-category:hover .mega-category__icon { transform: rotate(-5deg); }
  .mega-category__icon { transition: transform .2s; }
  .mega-links { display: flex; flex-direction: column; gap: 3px; }
  .mega-link { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 9px 8px; margin-inline: -8px; border-radius: 7px; color: var(--text); font-size: 15px; font-weight: 550; line-height: 1.35; }
  .mega-link > .icon { width: 18px; height: 18px; flex: 0 0 18px; color: var(--muted); }
  .mega-link > .icon:last-child:not(:first-child) { margin-left: auto; width: 15px; height: 15px; flex-basis: 15px; }
  .mega-link:hover { background: var(--panel-alt); color: var(--link); }
  .mega-link:hover > .icon { color: var(--link); }
  .mega-link--primary, .mega-link--strong, .mega-link--sell { color: var(--link); font-weight: 750; }
  .mega-link--sell { margin-bottom: 9px; padding-inline: 12px; border: 1px solid var(--border); background: var(--panel-alt); }
  .mega-group__note { color: var(--muted); font-size: 13px; line-height: 1.7; margin-top: 23px; max-width: 180px; }
  .mega-menu__greeting { color: var(--muted); font-size: 13px; margin: -6px 0 10px; }
  .mega-menu__count { margin-left: auto; background: var(--accent); color: #132009; min-width: 23px; padding: 3px 6px; text-align: center; font-size: 11px; font-weight: 800; border-radius: 5px; }
  .mega-link--admin { margin-top: 6px; color: var(--link); border: 1px solid var(--border); }
  .mega-guide {
    display: flex; gap: 12px; align-items: center; padding: 16px 13px; margin: 0 0 14px;
    border: 1px solid #d4fb5260; border-radius: 10px; background: #d4fb5210; color: var(--text);
    transition: border-color .2s, background .2s;
  }
  .mega-guide__icon { display: flex; color: var(--link); flex: 0 0 24px; }
  .mega-guide > .icon { flex: 0 0 14px; width: 14px; height: 14px; margin-left: auto; color: var(--link); }
  .mega-guide strong { display: block; font-family: var(--display-font); font-size: 27px; line-height: 1.1; }
  .mega-guide small { display: block; font-size: 11px; color: var(--muted); margin-top: 6px; line-height: 1.5; }
  .mega-guide:hover { background: #d4fb5220; border-color: var(--link); }
  .mega-more { margin-top: 7px; border-top: 1px solid var(--border); padding-top: 6px; }
  .mega-more > summary { cursor: pointer; padding: 12px 0; font-size: 13px; font-weight: 650; color: var(--muted); }
  .mega-more > summary > .icon { display: none; }
  .mega-more[open] > summary { color: var(--link); }
  .mega-custom { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 28px; margin: 0 30px 24px; padding-top: 20px; border-top: 1px solid var(--border); }
  .mega-custom > span { color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
  .mega-custom > a { display: inline-flex; gap: 9px; align-items: center; padding-block: 10px; font-size: 14px; }
  .mega-menu__join { padding: 20px 16px; margin-bottom: 16px; border-radius: 10px; background: var(--panel-alt); border: 1px solid var(--border); }
  .mega-menu__join-icon { color: var(--link); }
  .mega-menu__join p { font-family: var(--display-font); font-size: 29px; font-weight: 700; line-height: 1.1; margin: 13px 0 18px; }
  .mega-menu__join .btn { min-height: 44px; padding: 11px 12px; font-size: 13px; gap: 8px; }
  .mega-menu__footer { display: flex; align-items: center; gap: 22px; padding: 16px 30px; border-top: 1px solid var(--border); background: var(--panel-alt); }
  .mega-menu__appearance { display: flex; align-items: center; gap: 14px; font-size: 13px; font-weight: 600; }
  .mega-menu__appearance > span { display: inline-flex; align-items: center; gap: 8px; }
  .mega-menu__appearance .theme-toggle { background: var(--bg); width: 40px; height: 40px; }
  .mega-menu__tagline { margin: 0 auto; color: var(--muted); font-size: 11px; font-weight: 750; letter-spacing: .13em; }
  .mega-menu__auth { display: flex; align-items: center; gap: 10px; margin-left: auto; }
  .mega-menu__auth .btn { min-height: 42px; font-size: 13px; padding: 10px 16px; }
  .mega-menu__auth a { display: inline-flex; align-items: center; gap: 10px; min-height: 40px; padding-inline: 10px; font-size: 13px; font-weight: 650; }
  .mega-menu__auth a:hover { color: var(--link); }
  .mega-menu a:focus-visible, .mega-menu button:focus-visible, .mega-menu summary:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; }
}

@media (min-width: 761px) and (max-width: 1180px) {
  .site-header .site-search { flex: 0 0 100%; max-width: none; margin-left: 0; margin-right: 0; }
  .header-actions { gap: 6px; }
  .header-actions .mega-menu-toggle { min-width: 90px; margin-left: 0; padding-inline: 12px; }
  .mega-menu__grid { grid-template-columns: 1.3fr 1fr; gap: 26px 32px; }
  .mega-group:nth-child(3) { border-left: 0; padding-left: 0; }
  .mega-group:nth-child(n+3) { border-top: 1px solid var(--border); padding-top: 24px; }
  .mega-category { min-height: 104px; }
  .mega-menu__tagline { display: none; }
}

@media (min-width: 761px) and (max-width: 850px) {
  .header-actions > .desktop-only { display: none; }
  .header-actions__sell { padding-inline: 14px; font-size: 14px; }
  .header-actions .mega-menu-toggle { min-width: 48px; padding: 10px; }
  .mega-menu-toggle > span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .mega-menu, .mega-menu-overlay, .mega-menu-toggle, .mega-category, .mega-category__icon, .mega-guide { transition: none !important; }
  .mega-category:hover, .mega-category:hover .mega-category__icon { transform: none; }
}