/* Mobile validation pass
   Keeps the cinematic reveal system intact while tightening layout, touch,
   and scroll behaviour for phones and tablets. */

@media (max-width: 800px) {
  .portfolio-page { overflow-x: clip; }

  .desktop-nav.open {
    max-height: calc(100svh - 88px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .archive-tabs,
  .unified-interface .project-archive-nav,
  .unified-interface .quest-journal-index {
    scroll-snap-type: x proximity;
    scroll-padding-inline: 17px;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
  }

  .archive-tabs::-webkit-scrollbar,
  .unified-interface .project-archive-nav::-webkit-scrollbar,
  .unified-interface .quest-journal-index::-webkit-scrollbar { display: none; }

  .archive-tabs > [role='tab'],
  .unified-interface .project-archive-nav > [role='tab'],
  .unified-interface .quest-journal-index > [role='tab'] { scroll-snap-align: start; }

  .brand,
  .scroll-link,
  .work-link,
  .contact-email,
  .site-footer a {
    min-height: 44px;
    align-items: center;
  }

  .scroll-link,
  .work-link,
  .contact-email,
  .site-footer a { display: inline-flex; }
}

@media (max-width: 600px) {
  /* motion.css gives the desktop navigation a relative anchor. Restore the
     full-width overlay model when the menu becomes a mobile disclosure. */
  .desktop-nav,
  .desktop-nav.open {
    position: absolute;
    top: 69px;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 12;
  }

  /* A four-column loadout keeps all eight sigils visible without turning the
     opening chapter into a long inventory list. Route geometry is calculated
     from the live item positions, so its energy trace still follows the grid. */
  .unified-interface .tech-sigil-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 19px 4px;
    margin-top: 18px;
  }

  .unified-interface .tech-sigil-control {
    min-height: 78px;
    gap: 8px;
  }

  .unified-interface .tech-sigil-frame {
    width: 46px;
    height: 46px;
    border-radius: 9px;
  }

  .unified-interface .tech-sigil-icon {
    width: 34px;
    height: 34px;
  }

  .unified-interface .tech-sigil-copy strong { font-size: 7.5px; }
  .unified-interface .tech-sigil-copy small {
    font-size: 4.75px;
    line-height: 1.3;
    letter-spacing: .45px;
  }

  .archive-tabs {
    gap: 2px;
    scroll-padding-inline: 0;
  }

  .archive-tabs > [role='tab'] { min-height: 44px; }

  .unified-interface .project-archive-nav,
  .unified-interface .quest-journal-index {
    grid-auto-columns: minmax(205px, 86%);
    gap: 7px;
    padding: 14px;
    scroll-padding-inline: 14px;
  }

  .unified-interface .project-archive-stage,
  .unified-interface .journey-list { padding: 16px; }

  .unified-interface .journey-item { padding: 20px; }

  .unified-interface .journey-details {
    padding: 14px;
    font-size: 11px;
    line-height: 1.72;
  }

  .contact-buttons {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 48px;
    width: min(100%, 330px);
    margin-inline: auto;
  }

  .contact-buttons > .btn:first-child { min-width: 0; }
  .contact-buttons .copy-email { width: 48px; padding-inline: 0; }
  .contact-buttons .linkedin { grid-column: 1 / -1; justify-content: center; }
  .contact-email { justify-content: center; }

  .site-footer a { padding-block: 8px; }
}

@media (max-width: 340px) {
  /* Preserve a complete celestial brand mark rather than clipping the wordmark
     between the audio, language, theme, and menu controls. */
  .brand {
    flex: 0 0 44px;
    width: 44px;
    gap: 0;
    overflow: visible;
  }

  .brand-name { display: none; }
  .brand-mark {
    display: block;
    width: 28px;
    height: 32px;
  }

  .header-actions { gap: 5px; }

  .unified-interface .tech-sigil-frame {
    width: 44px;
    height: 44px;
  }

  .unified-interface .project-archive-nav,
  .unified-interface .quest-journal-index {
    grid-auto-columns: minmax(195px, 85%);
    padding-inline: 12px;
  }

  .unified-interface .project-archive-stage,
  .unified-interface .journey-list { padding: 14px; }

  .contact { padding-inline: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .archive-tabs,
  .unified-interface .project-archive-nav,
  .unified-interface .quest-journal-index { scroll-behavior: auto; }
}