/* Mobile navigation — panel + desktop nav positioning */

.mobile-nav-body {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.mobile-nav-backdrop {
  display: none;
}

@media (min-width: 768px) {
  .site-nav {
    position: fixed;
    z-index: 101;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: max(1.25rem, calc((100vw - min(100vw - 2.5rem, var(--container))) / 2));
    pointer-events: none;
    background: transparent;
    border: none;
    box-shadow: none;
    visibility: visible;
    transform: none;
  }

  .site-nav .mobile-nav-body {
    pointer-events: auto;
  }
}

@media (max-width: 767px) {
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .mobile-nav-backdrop {
    display: none;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
    position: relative;
    z-index: 1;
    border-color: rgba(var(--color-accent-rgb), 0.2);
    transition:
      border-color var(--transition),
      background var(--transition),
      color var(--transition),
      transform var(--transition);
  }

  .menu-toggle:active {
    transform: scale(0.96);
  }

  body.is-mobile-nav-open .menu-toggle {
    border-color: rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
  }

  body.is-mobile-nav-open .site-header {
    z-index: 160;
    background: rgba(20, 20, 20, 0.97) !important;
    border-bottom-color: rgba(255, 255, 255, 0.08) !important;
    box-shadow: none;
  }

  body.is-mobile-nav-open .brand-logo {
    filter: brightness(0) invert(1);
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-width: none;
    z-index: 150;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    background: linear-gradient(168deg, #1c1c1c 0%, #141414 52%, #0f0f0f 100%);
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: none;
    transform: translateY(100%);
    opacity: 1;
    visibility: hidden;
    pointer-events: none;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.4s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
  }

  .mobile-nav-body {
    flex: 1;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: var(--space-sm) var(--space-xl) 0;
    list-style: none;
  }

  .nav-list > li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-list .nav-link,
  .nav-list .nav-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.05rem 0;
    font-size: 1.12rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: rgba(255, 255, 255, 0.78);
    text-align: left;
  }

  .nav-list .nav-link:hover,
  .nav-list .nav-link.is-active,
  .nav-list .nav-dropdown-toggle:hover,
  .nav-list .nav-dropdown-toggle.is-active {
    color: #fff;
  }

  .nav-list .nav-link.is-active,
  .nav-list .nav-dropdown-toggle.is-active {
    color: var(--color-accent);
  }

  .nav-list .nav-link.is-active {
    position: relative;
    padding-left: 0.85rem;
  }

  .nav-list .nav-link.is-active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 3px;
    height: 1.35rem;
    border-radius: 999px;
    background: var(--color-accent);
    transform: translateY(-50%);
  }

  .nav-item--dropdown::after {
    display: none;
  }

  .nav-dropdown-toggle {
    gap: 0.65rem;
  }

  .nav-dropdown-icon {
    width: 14px;
    height: 14px;
    color: rgba(255, 255, 255, 0.45);
    transform: translateY(0);
  }

  .nav-item--dropdown.is-open .nav-dropdown-icon {
    color: var(--color-accent);
    transform: rotate(180deg);
  }

  .nav-dropdown {
    position: static;
    transform: none;
    min-width: 0;
    max-height: 0;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1), padding 0.35s ease;
  }

  .nav-item--dropdown.is-open .nav-dropdown {
    max-height: 20rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    margin: 0.15rem 0 0.85rem;
    padding: 0.45rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-dropdown__link {
    padding: 0.72rem 0.85rem;
    font-size: 0.94rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.62);
    border-radius: var(--radius-sm);
  }

  .nav-dropdown__link:hover,
  .nav-dropdown__link.is-active {
    background: rgba(var(--color-accent-rgb), 0.14);
    color: #fff;
  }

  .nav-dropdown__link.is-active {
    color: #fff;
    box-shadow: inset 3px 0 0 var(--color-accent);
  }

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
    margin-top: auto;
    padding: var(--space-lg) var(--space-xl) calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    width: 100%;
  }

  .nav-actions .btn {
    display: flex;
    width: 100%;
    max-width: none;
    justify-content: center;
    min-height: 3.25rem;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    margin: 0;
  }

  .nav-actions .btn + .btn {
    margin-top: 0;
  }

  .nav-actions .btn-ghost {
    border-color: rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.88);
    background: rgba(255, 255, 255, 0.04);
  }

  .nav-actions .btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.32);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }
}

@media (max-width: 767px) and (prefers-reduced-motion: reduce) {
  .site-nav,
  .mobile-nav-backdrop,
  .nav-dropdown,
  .menu-toggle__bars span {
    transition: none;
  }
}