/* Shared mobile navigation for Cadence Construction Group */
.menu-toggle {
  display: none;
  flex: 0 0 44px;
  inline-size: 44px;
  block-size: 44px;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.menu-toggle:hover {
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  border-color: color-mix(in srgb, var(--ink) 15%, transparent);
}

.menu-toggle:focus-visible,
.nav #primary-navigation a:focus-visible {
  outline: 2px solid var(--earth);
  outline-offset: 3px;
}

.menu-toggle-icon {
  display: grid;
  inline-size: 22px;
  block-size: 16px;
  align-content: space-between;
}

.menu-toggle-icon span {
  display: block;
  inline-size: 100%;
  block-size: 1px;
  background: currentColor;
  transform-origin: center;
  transition: transform 220ms ease, opacity 160ms ease;
}

.visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 840px) {
  .nav {
    z-index: 60;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .nav .nav-row {
    position: relative;
    flex-direction: row;
    min-block-size: 64px;
    padding: 0 22px;
    gap: 12px;
  }

  .nav .logo img,
  .nav .nav-logo img {
    inline-size: min(220px, 62vw);
  }

  .menu-toggle {
    display: inline-grid;
    margin-inline-start: auto;
  }

  .nav #primary-navigation {
    display: grid;
    grid-template-columns: 1fr;
    position: fixed;
    inset-block-start: 64px;
    inset-inline: 0;
    inset-block-end: auto;
    block-size: auto;
    max-block-size: calc(100dvh - 64px);
    inline-size: auto;
    width: auto;
    margin: 0;
    padding: 12px 22px;
    padding-block-end: max(18px, env(safe-area-inset-bottom));
    align-content: start;
    justify-content: stretch;
    gap: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--paper);
    background: color-mix(in srgb, var(--paper) 97%, transparent);
    box-shadow: 0 18px 36px color-mix(in srgb, var(--ink) 12%, transparent);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 220ms ease, visibility 0s linear 220ms;
  }

  .nav.is-open #primary-navigation {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity 180ms ease, transform 220ms ease;
  }

  .nav #primary-navigation a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-block-size: 56px;
    padding: 0;
    border-block-end: 0;
    font-size: 13px;
    letter-spacing: 0.16em;
  }

  .nav #primary-navigation a::before,
  .nav #primary-navigation a::after {
    content: none;
    display: none;
  }

  .nav #primary-navigation a:hover {
    color: var(--ink);
    box-shadow: none;
    text-decoration: none;
  }

  .nav #primary-navigation a:active {
    background: color-mix(in srgb, var(--ink) 6%, transparent);
  }

  .nav.is-open .menu-toggle-icon span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }

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

  .nav.is-open .menu-toggle-icon span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu-toggle,
  .menu-toggle-icon span,
  .nav #primary-navigation {
    transition: none;
  }
}