/* Phone / tablet navigation: ☰ button + drop-down panel (markup in layout, behaviour in main.js).
   Below 980px the desktop links are hidden and the burger takes over. */

.nav-burger { display: none; }
.mobile-menu { display: none; }

@media (max-width: 980px) {
  #main-nav .nav-links { display: none; }
  #main-nav .nav-inner { gap: .75rem; }
  #main-nav .nav-cta { margin-left: auto; }

  .nav-burger {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; flex: none;
    width: 44px; height: 44px; padding: 0 11px; border-radius: 12px;
    border: 1px solid var(--up-line); background: #fff; cursor: pointer;
  }
  .nav-burger span { display: block; height: 2px; border-radius: 2px; background: var(--up-ink); transition: transform .25s, opacity .2s; }
  #main-nav.menu-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  #main-nav.menu-open .nav-burger span:nth-child(2) { opacity: 0; }
  #main-nav.menu-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-menu {
    display: block; position: absolute; left: 0; right: 0; top: 100%;
    max-height: calc(100vh - 100%); max-height: calc(100dvh - 100%); overflow-y: auto; overscroll-behavior: contain;
    background: #fff; border-bottom: 1px solid var(--up-line); box-shadow: 0 24px 40px -20px rgba(18,21,26,.35);
    font-family: var(--up-font); padding: .75rem 0 1.25rem;
    opacity: 0; transform: translateY(-8px); transition: opacity .2s, transform .2s;
  }
  .mobile-menu[hidden] { display: none; }
  #main-nav.menu-open .mobile-menu { opacity: 1; transform: none; box-shadow: 0 24px 40px -20px rgba(18,21,26,.35), 0 0 0 100vmax rgba(18,21,26,.35); }
  #main-nav.menu-open { background: #fff; }

  .mm-group { padding: .5rem 0; border-bottom: 1px solid var(--up-line); }
  .mm-label { font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--up-ink-soft); padding: .4rem .25rem .5rem; }
  .mm-link {
    display: flex; align-items: center; gap: .8rem; padding: .7rem .25rem; border-radius: 12px;
    font-size: 1rem; font-weight: 600; color: var(--up-ink); text-decoration: none;
  }
  .mm-link:hover, .mm-link:focus-visible { background: var(--up-accent-tint); color: var(--up-accent-deep); }
  .mm-ic { width: 36px; height: 36px; border-radius: 10px; background: var(--up-accent-tint); display: grid; place-items: center; flex: none; }
  .mm-ic svg { width: 19px; height: 19px; fill: none; stroke: var(--up-accent-deep); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
  .mm-group--plain { display: grid; grid-template-columns: 1fr 1fr; column-gap: .5rem; }
  .mm-group--plain .mm-link { font-weight: 600; color: var(--up-ink-soft); }
  .mm-actions { display: flex; flex-direction: column; gap: .6rem; padding-top: 1rem; }
  .mm-actions .btn { justify-content: center; text-align: center; padding: .85rem 1rem; border-radius: 999px; font-family: var(--up-font); font-weight: 700; }
}

/* Two columns of products on tablets */
@media (min-width: 601px) and (max-width: 980px) {
  .mobile-menu .container { max-width: 720px; }
  .mm-group:first-child { display: grid; grid-template-columns: 1fr 1fr; column-gap: .75rem; }
  .mm-group:first-child .mm-label { grid-column: 1 / -1; }
  .mm-group--plain { grid-template-columns: repeat(3, 1fr); }
  .mm-actions { flex-direction: row; } .mm-actions .btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { .mobile-menu, .nav-burger span { transition: none; } }