.portfolio-mobile-menu-toggle,
.portfolio-mobile-menu {
  display: none;
}

@media (max-width: 768px) {
  body.mobile-nav-page {
    --mobile-nav-gutter: clamp(22px, 6vw, 32px);
    --mobile-nav-top: max(18px, calc(env(safe-area-inset-top, 0px) + 14px));
    --mobile-nav-ink: rgba(19, 22, 21, 0.9);
    --mobile-nav-muted: rgba(19, 22, 21, 0.48);
    --mobile-nav-line: rgba(19, 22, 21, 0.15);
    --mobile-nav-paper: rgba(243, 245, 244, 0.7);
    --mobile-nav-frost: rgba(245, 247, 246, 0.76);
    --mobile-nav-grid: rgba(19, 22, 21, 0.055);
  }

  body.mobile-nav-page.is-dark {
    --mobile-nav-ink: rgba(255, 255, 255, 0.94);
    --mobile-nav-muted: rgba(255, 255, 255, 0.58);
    --mobile-nav-line: rgba(255, 255, 255, 0.26);
    --mobile-nav-paper: rgba(10, 12, 11, 0.68);
    --mobile-nav-frost: rgba(8, 10, 9, 0.72);
    --mobile-nav-grid: rgba(255, 255, 255, 0.05);
  }

  
  body.mobile-nav-page::before {
    content: none;
    display: none;
  }

  body.mobile-nav-page.is-dark::before {
    content: none;
    display: none;
  }

  body.mobile-nav-page .board-nav,
  body.mobile-nav-page .archive-top-nav,
  body.mobile-nav-page .portfolio-mobile-top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 140;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    min-height: 72px;
    padding: var(--mobile-nav-top) var(--mobile-nav-gutter) 16px;
    box-sizing: border-box;
    background: transparent;
    border: 0;
    transform: none;
    isolation: isolate;
  }

  body.mobile-nav-page .board-nav::before,
  body.mobile-nav-page .archive-top-nav::before,
  body.mobile-nav-page .portfolio-mobile-top-nav::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 176px;
    pointer-events: none;
    z-index: -1;
    background:
      radial-gradient(circle at 15% 0%, rgba(255, 255, 255, 0.12), transparent 46%),
      linear-gradient(to bottom, var(--mobile-nav-paper) 0%, rgba(243, 245, 244, 0.44) 42%, rgba(243, 245, 244, 0) 100%);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 58%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 0%, #000 58%, transparent 100%);
  }

  body.mobile-nav-page.is-dark .board-nav::before,
  body.mobile-nav-page.is-dark .archive-top-nav::before,
  body.mobile-nav-page.is-dark .portfolio-mobile-top-nav::before {
    background:
      radial-gradient(circle at 15% 0%, rgba(255, 255, 255, 0.06), transparent 46%),
      linear-gradient(to bottom, rgba(10, 12, 11, 0.76) 0%, rgba(10, 12, 11, 0.48) 46%, rgba(10, 12, 11, 0) 100%);
  }

  body.mobile-nav-page .board-brand,
  body.mobile-nav-page .archive-brand,
  body.mobile-nav-page .portfolio-mobile-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1px;
    min-width: 0;
    max-width: 45vw;
    color: var(--mobile-nav-ink);
    text-decoration: none;
    line-height: 0.9;
    transform: translateY(5px);
  }

  body.mobile-nav-page .board-brand span,
  body.mobile-nav-page .archive-brand span,
  body.mobile-nav-page .portfolio-mobile-brand span,
  body.mobile-nav-page .logo-main {
    display: block;
    font-family: "Big Shoulders Display", sans-serif;
    font-size: clamp(18px, 5.25vw, 25px);
    font-weight: 600;
    line-height: 0.82;
    letter-spacing: -0.045em;
    color: var(--mobile-nav-ink);
  }

  body.mobile-nav-page .board-brand em,
  body.mobile-nav-page .archive-brand em,
  body.mobile-nav-page .portfolio-mobile-brand em {
    display: none;
  }

  body.mobile-nav-page .board-links,
  body.mobile-nav-page .archive-nav-links,
  body.mobile-nav-page .desktop-nav,
  body.mobile-nav-page .mobile-header {
    display: none !important;
  }

  body.mobile-nav-page .nav-controls,
  body.mobile-nav-page .archive-nav-controls,
  body.mobile-nav-page .portfolio-mobile-controls,
  body.mobile-nav-page .sidebar-bottom {
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    min-width: 0;
    transform: translateY(5px);
  }

  body.mobile-nav-page .sound-toggle,
  body.mobile-nav-page .theme-toggle,
  body.mobile-nav-page .portfolio-mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--mobile-nav-ink);
    font-family: "Barlow Condensed", sans-serif;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1;
  }

  body.mobile-nav-page .sound-toggle,
  body.mobile-nav-page .theme-toggle {
    min-height: 32px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  body.mobile-nav-page .portfolio-mobile-menu-toggle {
    min-height: 32px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--mobile-nav-line);
    background: rgba(255, 255, 255, 0.18);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  body.mobile-nav-page.is-dark .sound-toggle,
  body.mobile-nav-page.is-dark .theme-toggle,
  body.mobile-nav-page.is-dark .portfolio-mobile-menu-toggle {
    color: rgba(255, 255, 255, 0.96);
  }

  body.mobile-nav-page.is-dark .portfolio-mobile-menu-toggle {
    border-color: rgba(255, 255, 255, 0.38);
    background: rgba(255, 255, 255, 0.08);
  }

  body.mobile-nav-page.is-dark .theme-toggle .toggle-track {
    opacity: 0.82;
    border-color: rgba(255, 255, 255, 0.78);
    background: rgba(255, 255, 255, 0.08);
  }

  body.mobile-nav-page.is-dark .theme-toggle .toggle-dot {
    background: rgba(255, 255, 255, 0.86);
  }

  body.mobile-nav-page .sound-label {
    display: none;
  }

  body.mobile-nav-page .sound-icon {
    width: 18px;
    height: 18px;
    position: relative;
    display: inline-block;
    border: 1px solid currentColor;
    border-radius: 999px;
    opacity: 0.84;
    box-sizing: border-box;
  }

  body.mobile-nav-page .sound-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    border-radius: 999px;
    background: currentColor;
    transform: translate(-50%, -50%);
  }

  body.mobile-nav-page .theme-toggle {
    width: 34px;
  }

  body.mobile-nav-page .toggle-track {
    width: 28px;
    height: 15px;
    border-radius: 999px;
    border: 1px solid currentColor;
    display: block;
    position: relative;
    opacity: 0.74;
    box-sizing: border-box;
  }

  body.mobile-nav-page .toggle-dot {
    position: absolute;
    top: 50%;
    left: 4px;
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background: currentColor;
    transform: translateY(-50%);
    opacity: 0.86;
    transition: transform 240ms ease;
  }

  body.mobile-nav-page.is-dark .toggle-dot {
    transform: translate(13px, -50%);
  }

  body.mobile-nav-page .portfolio-mobile-menu {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 10000;
    opacity: 1;
    visibility: hidden;
    pointer-events: none;
  }

  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu,
  body.mobile-nav-page.mobile-menu-closing .portfolio-mobile-menu {
    visibility: visible;
  }

  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu {
    pointer-events: auto;
  }

  body.mobile-nav-page.mobile-menu-closing .portfolio-mobile-menu {
    pointer-events: none;
  }

  body.mobile-nav-page .portfolio-mobile-menu__backdrop {
    position: absolute;
    inset: 0;
    background: var(--mobile-nav-frost);
    -webkit-backdrop-filter: blur(0px) saturate(1);
    backdrop-filter: blur(0px) saturate(1);
    opacity: 0;
    transition:
      opacity 1300ms cubic-bezier(0.22, 1, 0.36, 1),
      backdrop-filter 1300ms cubic-bezier(0.22, 1, 0.36, 1),
      -webkit-backdrop-filter 1300ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu__backdrop {
    opacity: 1;
    -webkit-backdrop-filter: blur(36px) saturate(1.06);
    backdrop-filter: blur(36px) saturate(1.06);
  }

  body.mobile-nav-page.mobile-menu-closing .portfolio-mobile-menu__backdrop {
    opacity: 0;
    -webkit-backdrop-filter: blur(0px) saturate(1);
    backdrop-filter: blur(0px) saturate(1);
  }

  body.mobile-nav-page .portfolio-mobile-menu__backdrop::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.09;
    mix-blend-mode: multiply;
    background-image:
      radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.26), transparent 36%),
      radial-gradient(circle at 70% 62%, rgba(0, 0, 0, 0.18), transparent 42%);
  }

  body.mobile-nav-page.is-dark .portfolio-mobile-menu__backdrop::before {
    opacity: 0.11;
    mix-blend-mode: screen;
    background-image:
      radial-gradient(circle at 18% 16%, rgba(255, 255, 255, 0.16), transparent 38%),
      radial-gradient(circle at 72% 66%, rgba(255, 255, 255, 0.08), transparent 44%);
  }

  body.mobile-nav-page .portfolio-mobile-menu__panel {
    position: relative;
    z-index: 2;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
    padding: calc(var(--mobile-nav-top) + 76px) var(--mobile-nav-gutter) max(30px, calc(env(safe-area-inset-bottom, 0px) + 24px));
    color: var(--mobile-nav-ink);
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 760ms cubic-bezier(0.22, 1, 0.36, 1), transform 760ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu__panel {
    opacity: 1;
    transform: translateY(0);
  }

  body.mobile-nav-page.mobile-menu-closing .portfolio-mobile-menu__panel {
    opacity: 0;
    transform: translateY(14px);
    transition-duration: 960ms;
  }

  body.mobile-nav-page .portfolio-mobile-menu__top {
    position: fixed;
    top: var(--mobile-nav-top);
    right: var(--mobile-nav-gutter);
    z-index: 10020;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    min-height: 36px;
  }

  body.mobile-nav-page .portfolio-mobile-menu__close,
  body.mobile-nav-page .portfolio-mobile-menu__actions button {
    border: 1px solid var(--mobile-nav-line);
    background: rgba(255, 255, 255, 0.16);
    color: var(--mobile-nav-ink);
    border-radius: 999px;
    min-height: 34px;
    padding: 0 14px;
    font-family: "Barlow Condensed", sans-serif;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  body.mobile-nav-page.is-dark .portfolio-mobile-menu__close,
  body.mobile-nav-page.is-dark .portfolio-mobile-menu__actions button {
    background: rgba(255, 255, 255, 0.08);
  }

  body.mobile-nav-page .portfolio-mobile-menu__links {
    display: grid;
    gap: clamp(12px, 3.2vh, 24px);
    margin: clamp(34px, 8vh, 70px) 0;
  }

  body.mobile-nav-page .portfolio-mobile-menu__links a {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
    padding: 0;
    border-bottom: 0;
    color: var(--mobile-nav-ink);
    text-decoration: none;
    opacity: 0;
    transform: translateY(18px);
    filter: blur(7px);
    transition: opacity 460ms cubic-bezier(0.22, 1, 0.36, 1), transform 460ms cubic-bezier(0.22, 1, 0.36, 1), filter 460ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu__links a {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }

  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu__links a:nth-child(1) { transition-delay: 70ms; }
  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu__links a:nth-child(2) { transition-delay: 125ms; }
  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu__links a:nth-child(3) { transition-delay: 180ms; }
  body.mobile-nav-page.mobile-menu-open .portfolio-mobile-menu__links a:nth-child(4) { transition-delay: 235ms; }

  body.mobile-nav-page.mobile-menu-closing .portfolio-mobile-menu__links a {
    opacity: 0;
    transform: translateY(12px);
    filter: blur(8px);
    transition-delay: 0ms !important;
    transition-duration: 720ms;
  }

  body.mobile-nav-page .portfolio-mobile-menu__links span {
    align-self: center;
    font-family: "Barlow Condensed", sans-serif;
    font-size: 15px;
    letter-spacing: 0.12em;
    line-height: 1;
    color: var(--mobile-nav-muted);
  }

  body.mobile-nav-page .portfolio-mobile-menu__links strong {
    font-family: "Big Shoulders Display", sans-serif;
    font-size: clamp(72px, 22vw, 122px);
    font-weight: 500;
    letter-spacing: -0.065em;
    line-height: 0.82;
    text-transform: uppercase;
  }

  body.mobile-nav-page .portfolio-mobile-menu__links a:active,
  body.mobile-nav-page .portfolio-mobile-menu__links a:focus-visible {
    transform: translateX(9px);
    outline: 0;
  }

  body.mobile-nav-page .portfolio-mobile-menu__bottom {
    display: grid;
    gap: 16px;
  }

  body.mobile-nav-page .portfolio-mobile-menu__bottom p {
    margin: 0;
    max-width: 220px;
    color: var(--mobile-nav-muted);
    font-family: "Barlow Condensed", sans-serif;
    font-size: 15px;
    letter-spacing: 0.045em;
    line-height: 1.1;
  }

  body.mobile-nav-page .portfolio-mobile-menu__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  body.mobile-nav-page.mobile-menu-open,
  body.mobile-nav-page.mobile-menu-closing {
    overflow: hidden;
  }

  body.mobile-nav-page .static-main,
  body.mobile-nav-page .inner-stage,
  body.mobile-nav-page .works-stage,
  body.mobile-nav-page .case-main {
    padding-top: max(96px, calc(env(safe-area-inset-top, 0px) + 92px));
  }

  body.mobile-nav-page .case-thumb-nav,
  body.mobile-nav-page .case-footer {
    z-index: 70;
  }

  body.mobile-nav-page .site-sidebar {
    display: none !important;
  }

  body.mobile-nav-page .sound-toggle {
    order: 1;
  }

  body.mobile-nav-page .theme-toggle {
    order: 2;
  }

  body.mobile-nav-page .portfolio-mobile-menu-toggle {
    order: 3;
  }

}

@media (max-width: 768px) {
  body.mobile-nav-page.is-dark .board-brand span,
  body.mobile-nav-page.is-dark .archive-brand span,
  body.mobile-nav-page.is-dark .portfolio-mobile-brand span,
  body.mobile-nav-page.is-dark .logo-main,
  body.mobile-nav-page.is-dark .portfolio-mobile-menu-toggle {
    color: rgba(255, 255, 255, 0.96);
  }
}