/*
 * Nova Materia Ceramics — deliberately limited mobile enhancements.
 * The desktop/base visual system remains authoritative at every viewport.
 */

@media (max-width: 900px) {
  /* 1. Larger header logo and wordmark. */
  .nm-header-main > .nm-logo,
  .nm-header-home .nm-header-main > .nm-logo {
    min-width: 0;
    flex: 1 1 auto;
  }

  .nm-header-main > .nm-logo .nm-logo-img,
  .nm-header-home .nm-header-main > .nm-logo .nm-logo-img {
    width: auto;
    height: clamp(32px, 4vw, 36px);
    max-width: calc(100vw - 164px);
  }

  .nm-header-actions {
    flex: 0 0 auto;
    gap: 8px;
  }

  /* 2. The six primary links live only inside the three-line menu. */
  .nm-menu-toggle {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
    color: var(--ink-900);
    background: transparent;
    border: 1px solid var(--ink-200);
    border-radius: 4px;
    cursor: pointer;
  }

  .nm-menu-toggle span {
    width: 18px;
    height: 1px;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nm-menu-toggle.is-open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nm-menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .nm-menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .nm-mobile-nav,
  .nm-header-home .nm-mobile-nav {
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    padding: 0 14px 12px;
    overflow: visible;
    background: rgba(250, 248, 241, 0.98);
    border-top: 0;
  }

  .nm-mobile-nav.is-open,
  .nm-header-home .nm-mobile-nav.is-open {
    display: grid;
  }

  .nm-mobile-nav .nm-nav-link,
  .nm-header-home .nm-mobile-nav .nm-nav-link {
    min-width: 0;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 8px;
    color: var(--ink-700);
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid var(--ink-100);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.05;
    letter-spacing: normal;
    text-align: center;
    text-transform: none;
    white-space: nowrap;
  }

  .nm-mobile-nav .nm-nav-link.active,
  .nm-header-home .nm-mobile-nav .nm-nav-link.active {
    color: var(--bone-50);
    background: var(--ink-900);
    border-color: var(--ink-900);
  }

  /* 3. Featured collections remain a touch-friendly horizontal carousel. */
  .nm-home-featured .nm-grid {
    display: flex;
    gap: 16px;
    padding-bottom: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-width: none;
    touch-action: pan-x pan-y;
    -webkit-overflow-scrolling: touch;
  }

  .nm-home-featured .nm-grid::-webkit-scrollbar {
    display: none;
  }

  .nm-home-featured .nm-grid > .nm-product,
  .nm-home-featured .nm-grid > .nm-product:nth-child(n) {
    width: auto;
    min-width: 0;
    max-width: none;
    flex: 0 0 min(82vw, 360px);
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }
}

@media (max-width: 380px) {
  .nm-header-main > .nm-logo .nm-logo-img,
  .nm-header-home .nm-header-main > .nm-logo .nm-logo-img {
    max-width: calc(100vw - 158px);
  }
}

@media (prefers-reduced-motion: reduce) and (max-width: 900px) {
  .nm-menu-toggle span {
    transition: none;
  }
}