/* Mobile composition. Desktop styles and approved copy remain unchanged. */
@media (max-width: 820px) {
  html { scroll-padding-top: 84px; }
  .mountain-page .wrap { width: calc(100% - 36px); }
  .mountain-page .header-inner { min-height: 68px; height: auto; gap: 14px; }
  .mountain-page .brand { font-size: 22px; }
  .mountain-page .brand span { font-size: 7px; letter-spacing: .12em; }
  .mountain-page .header .small { min-height: 44px; padding: 10px 12px; font-size: 11px; max-width: 170px; }
  .mountain-page .hero { padding-top: 12px; }
  .mountain-page .hero-grid { gap: 0; }
  .mountain-page .hero-copy { padding: 28px 0 0; }
  .mountain-page .hero-copy .eyebrow { padding-right: 0; font-size: 9px; letter-spacing: .1em; line-height: 1.7; }
  .mountain-page .hero-copy h1 { font-size: clamp(31px, 8.2vw, 46px); line-height: 1.13; margin-block: 20px 24px; }
  .mountain-page .hero-copy .lead { font-size: 16px; line-height: 1.7; }
  .mountain-page .hero-detail { font-size: 14px; line-height: 1.75; margin-block: 20px 24px; }
  .mountain-page .button { min-height: 56px; padding: 16px 18px; gap: 14px; font-size: 13px; line-height: 1.45; white-space: normal; text-align: left; }
  .mountain-page .hero-copy .button { width: 100%; justify-content: space-between; }
  .mountain-page .micro { font-size: 11px; line-height: 1.65; margin-top: 14px; }
  .mountain-page .hero-art-space { height: 190px; min-height: 0; }
  .mountain-page .mountain-scene { inset: 0; height: auto; }
  .mountain-page .mountain-panorama { object-position: 74% 55%; transform: scale(1.03); will-change: auto; }
  .mountain-page .mountain-atmosphere { background: linear-gradient(180deg,#08120df5 0%,#08120dde 40%,#08120d90 63%,#08120d15 78%,#091510c9 100%); }
  .mountain-page .hero-foot { width: calc(100% - 36px); margin-bottom: 18px; }
  .mountain-page .hero-foot a { min-height: 56px; padding: 16px 9px; font-size: 9px; letter-spacing: .06em; display: grid; place-items: center; line-height: 1.5; }
  .mountain-page .motion-toggle { position: absolute; top: auto; bottom: 142px; right: 18px; min-height: 44px; padding: 10px 13px; font-size: 10px; }
  .mountain-page .mountain-motes, .mountain-page .mist-far { display: none; }
  .mountain-page .mist-near { filter: blur(12px); opacity: .45; }
  .mountain-page .section { padding-block: 58px; }
  .mountain-page .section h2 { font-size: clamp(29px, 6.8vw, 38px); line-height: 1.18; }
  .mountain-page .section h3 { line-height: 1.3; }
  .mountain-page .prose, .mountain-page .section-heading > p:last-child,
  .mountain-page .symptoms p, .mountain-page .solution-sequence p,
  .mountain-page .deliverables p, .mountain-page .commercial-columns p,
  .mountain-page .ecosystem-points p, .mountain-page .process-list p,
  .mountain-page .fit-grid li, .mountain-page .faq-items details > div,
  .mountain-page .faq-layout > div:first-child > p:last-child,
  .mountain-page .author-grid p, .mountain-page .engagement-grid p,
  .mountain-page .example-panel p { font-size: 15px; line-height: 1.75; }
  .mountain-page .eyebrow, .mountain-page .mini-label { font-size: 10px; line-height: 1.6; }
  .mountain-page .split, .mountain-page .symptoms, .mountain-page .solution-sequence,
  .mountain-page .commercial-columns, .mountain-page .fit-grid { grid-template-columns: 1fr; gap: 20px; }
  .mountain-page .symptoms article, .mountain-page .solution-sequence li,
  .mountain-page .fit-grid article { padding: 25px 22px; }
  .mountain-page .comparison-diagram, .mountain-page .engagement-card,
  .mountain-page .ecosystem-map { backdrop-filter: none; }
  .mountain-page .comparison-diagram > *, .mountain-page .deliverables article > *,
  .mountain-page .process-list li > *, .mountain-page .ecosystem-points > * { min-width: 0; }
  .mountain-page .faq-items summary { min-height: 60px; padding-block: 20px; font-size: 15px; line-height: 1.5; }
  .mountain-page .motion-card { transform: none !important; }
  .mountain-page .motion-reveal { transition-duration: .45s; transition-delay: 0ms; transform: translateY(12px); }
  .mountain-page .section-topography { animation: none; }
  .mountain-page .mobile-cta { left: 16px; right: 16px; width: calc(100% - 32px); bottom: max(12px, calc(env(safe-area-inset-bottom) + 8px)); justify-content: center; text-align: center; min-height: 54px; font-size: 12px; }
  .mountain-page footer { padding-bottom: calc(90px + env(safe-area-inset-bottom)); }
}
@media (min-width: 541px) and (max-width: 820px) {
  .mountain-page .hero-copy { max-width: 610px; }
  .mountain-page .hero-copy .button { width: fit-content; }
  .mountain-page .hero-art-space { height: 230px; }
}
@media (max-width: 360px) {
  .mountain-page .wrap, .mountain-page .hero-foot { width: calc(100% - 32px); }
  .mountain-page .hero-copy h1 { font-size: 30px; }
  .mountain-page .header .small { max-width: 144px; font-size: 10px; }
  .mountain-page .hero-foot a { font-size: 8px; }
}