@media (max-width: 700px) {
  html { scroll-padding-top: 84px; }
  .site-header { height: 64px; padding: 0 18px; }
  .brand-mark { width: 94px; height: 30px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; background: none; }
  .menu-toggle span { height: 1px; width: 22px; background: #d9d9d9; transition: transform 150ms ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .mobile-nav { display: flex; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; padding: 12px 18px 20px; background: #101010; border-bottom: 1px solid var(--color-line); }
  .mobile-nav .nav-link { min-height: 48px; justify-content: flex-start; padding: 0 16px; font-size: 13px; }
  .mobile-nav .nav-link[aria-current="page"]::after { left: 16px; right: auto; width: 30px; bottom: 3px; }
  .legal-page .menu-toggle { display: none; }
  .mobile-page-title { display: inline; font-size: 14px; font-weight: 400; text-align: right; }
  .hero { height: 620px; }
  .hero::before { inset: -64px 0 0; background-image: url("../assets/hero-background-mobile.webp"); background-position: 54% bottom; background-size: auto 100%; }
  .hero-content { padding: 94px 20px 0; }
  .hero-eyebrow { font-size: 10px; line-height: 16px; }
  .hero h1 { position: relative; flex-direction: column; gap: 4px; margin: 24px -4px 24px; font-size: clamp(25px, 6.7vw, 39px); line-height: 1.25; letter-spacing: -1px; }
  .hero h1 em { font-size: 1.32em; letter-spacing: -1.2px; }
  .cosmic-spark { display: none; }
  .hero-description { max-width: 400px; font-size: 11px; line-height: 18px; }
  .desktop-break { display: none; }
  .download-actions { gap: 12px; margin-top: 30px; }
  .download-button { min-width: 0; height: 46px; padding: 0 14px; gap: 7px; font-size: 11px; }
  .download-button svg { width: 13px; height: 13px; }
  .story { display: block; min-height: 0; padding: 62px 24px 68px; margin: 0; }
  .story-identity h2 { margin-top: 28px; font-size: 28px; line-height: 35px; }
  .story-copy { margin-top: 44px; }
  .story-copy h3 { margin-bottom: 22px; }
  .story-copy p { font-size: 12px; line-height: 19px; }
  .story-copy p + p { margin-top: 18px; }
  .story-copy .story-closing { margin-top: 26px; }
  .site-footer { flex-direction: column-reverse; gap: 42px; padding: 29px 24px calc(30px + env(safe-area-inset-bottom, 0px)); }
  .footer-links { width: 100%; justify-content: space-between; gap: 24px; padding: 0; }
  .footer-column { gap: 19px; }
  .footer-link, .copyright { font-size: 11px; }
  .notice { top: 72px; right: 16px; font-size: 11px; line-height: 17px; }
  .legal-page { background-color: #101010; background-image: radial-gradient(circle at 24px 74px, #555 0 .5px, transparent .8px), radial-gradient(circle at 171px 207px, #343434 0 .5px, transparent 1px); background-size: 263px 317px, 331px 411px; }
}

@media (max-width: 350px) {
  .hero-content { padding-right: 16px; padding-left: 16px; }
  .download-actions { gap: 8px; }
  .download-button { padding: 0 10px; font-size: 10px; }
  .mobile-page-title { font-size: 12px; }
}