/* Phone composition: generous image area, flowing captions, unobstructed controls. */
@media (max-width:700px), (max-width:1000px) and (max-height:550px) {
  .gallery{--deck-card-width:min(78vw,340px);--deck-card-height:calc(var(--deck-card-width) * 1280 / 871);height:auto}
  .gallery .gallery-stage{display:flex;flex-direction:column;height:auto;min-height:0;padding:30px 0 28px;overflow:hidden}
  .gallery .gallery-top{position:relative;inset:auto;display:flex;flex-wrap:wrap;gap:6px 18px;margin:0 22px;font-size:.75rem;line-height:1.7;letter-spacing:.06em}
  .gallery .gallery-top:before{display:none}
  .gallery .gallery-word{top:32%;left:0;right:0;font-size:27vw;white-space:nowrap;pointer-events:none}
  .gallery .cards{position:relative;inset:auto;flex:none;width:100%;height:calc(var(--deck-card-height) + 56px);margin:18px 0 0;perspective:1200px;perspective-origin:50% 50%;touch-action:pan-y pinch-zoom}
  .gallery .photo-card{width:var(--deck-card-width);height:var(--deck-card-height);max-width:none;top:50%;left:50%;border-radius:8px}
  .gallery .card-face{border-radius:8px;box-shadow:0 12px 24px #07020b66,0 1px 3px #0005}
  .gallery .card-back{border-width:6px}
  .gallery .card-back-center{inset:19% 14%}
  .gallery .card-back-center img{width:100%;height:auto;margin:8px 0}
  .gallery .card-back-label{font-size:.75rem;line-height:1.6;letter-spacing:.08em}
  .gallery .card-back-signature{font-size:clamp(1.6rem,7vw,2.2rem);margin:0 0 12px}
  .gallery .photo-caption{position:relative;inset:auto;margin:4px 22px 22px;min-width:0;display:block}
  .gallery .photo-caption h2{font-size:clamp(2rem,8vw,2.75rem);line-height:1.2;letter-spacing:-.015em;margin:8px 0;overflow-wrap:anywhere}
  .gallery #photo-index{font-size:.8125rem;line-height:1.6}
  .gallery #photo-details{font-size:.875rem;line-height:1.6}
  .gallery .deck-controls{position:relative;inset:auto;transform:none;display:grid;grid-template-columns:46px minmax(0,1fr) 46px;gap:10px;width:calc(100% - 40px);max-width:390px;margin:0 auto}
  .gallery #deck-hint{font-size:.875rem;line-height:1.5;white-space:normal}
  .gallery #deck-hint>span{font-size:.75rem;margin-top:2px}
  .gallery .deck-progress{position:relative;inset:auto;flex:none;width:112px;height:2px;margin:18px auto 0}
  .gallery .view-photo{display:none}
  /* The floating chapter control must not sit on top of the card arrows. */
  .trail-dock[data-section=photographs]{visibility:hidden;pointer-events:none}
}
@media (max-width:700px) {
  html{-webkit-text-size-adjust:100%;scroll-padding-top:24px}
  .introduction,.daily-frame,.american-chapter,.motion-memories,.archive,.personal-story,footer{padding-left:20px;padding-right:20px}
  .header{padding-top:max(16px,env(safe-area-inset-top));padding-inline:20px}
  .header-link{display:flex;align-items:center;min-height:44px}
  .hero-bottom{bottom:max(22px,env(safe-area-inset-bottom))}
  .adventure-opening{left:24px;right:24px;max-width:none;top:35%}
  .adventure-opening>p{font-size:clamp(2.8rem,11.8vw,4.5rem);line-height:1.1}
  .adventure-opening>.small{line-height:1.8;letter-spacing:.1em}
  .introduction{min-height:0}
  .introduction .statement{font-size:clamp(3.25rem,14vw,5.7rem);line-height:1.14}
  .intro-editorial{gap:30px;margin:34px 0}
  .intro-photograph{margin:0}
  .intro-photograph .editorial-shot{border-radius:4px;transform:none;box-shadow:0 12px 28px #16050b55}
  .intro-photograph .editorial-shot img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;transform:none}
  .intro-photograph figcaption{margin-top:18px;line-height:1.7}
  .intro-bottom{flex-wrap:wrap;gap:12px}
  .daily-frame-media img{width:100%;height:auto;aspect-ratio:auto;max-height:460px;object-fit:contain;transform:none}
  .daily-frame-meta h3{font-size:clamp(2rem,8vw,2.8rem);line-height:1.2;overflow-wrap:anywhere}
  .landscape-feature{margin-inline:-20px}
  .landscape-feature>button{clip-path:none}
  .landscape-feature img{height:auto;aspect-ratio:auto;max-height:none;object-fit:contain;transform:none}
  .landscape-feature figcaption{padding-inline:20px;line-height:1.7}
  .landscape-feature .feature-open{bottom:12px;right:12px;min-height:44px}
  .memory-portrait{width:100%;max-width:330px;margin-inline:auto;transform:none;padding:8px}
  .memory-portrait img,.memory-landscape img{display:block;width:100%;height:auto;object-fit:contain;transform:none}
  .journey-heading h2,.archive-heading h2,.story-heading h2{font-size:clamp(2.9rem,11.7vw,4.5rem);line-height:1.15}
  .journey-map .map-heading h3{font-size:clamp(2.2rem,9vw,3rem);line-height:1.16}
  .film-grid{gap:14px;align-items:start}
  .film-card:nth-child(n){transform:none;border-radius:5px;box-shadow:0 10px 22px #09030866}
  .film-card img{display:block;aspect-ratio:9/16;object-fit:contain;background:#100c12;transform:none}
  .film-card:after{display:none}
  .film-card .film-caption{position:relative;inset:auto;display:block;min-height:104px;padding:13px 10px;background:#29121e;font-size:clamp(1.15rem,4.6vw,1.55rem);line-height:1.25;overflow-wrap:anywhere}
  .film-caption small{display:block;margin-top:8px;line-height:1.5;font-size:.75rem}
  .film-play{inset:10px auto auto 10px;width:44px;height:44px}
  .archive .photo-grid{grid-template-columns:minmax(0,1fr);gap:30px;min-height:0}
  .archive-slideshow{padding:14px;margin-inline:0}
  .archive #media-grid .open-archive-photo{aspect-ratio:4/3}
  .archive #media-grid .archive-card[data-orientation=portrait] .open-archive-photo{aspect-ratio:4/5}
  .archive #media-grid .open-archive-photo img{width:100%;height:100%;max-height:none;object-fit:contain;transform:none}
  .archive .archive-card-caption h3{font-size:1.7rem;line-height:1.25;margin:6px 0}
  .archive .archive-card-caption{padding-top:14px}
  .archive .photo-vietnamese{font-size:.9375rem;line-height:1.6}
  .archive-slide-heading{gap:12px;align-items:start}
  .archive-slide-heading .small{font-size:.75rem;max-width:15ch;letter-spacing:.05em}
  .archive-slide-heading .slide-hint{font-size:.8125rem;line-height:1.6;max-width:17ch}
  .archive-pagination{gap:8px;grid-template-columns:46px minmax(0,1fr) 46px}
  .archive-pagination .slide-jump{justify-content:center;gap:6px}
  .archive-pagination .slide-arrow{padding:8px;width:46px;min-height:46px}
  .archive-pagination .slide-arrow>span:not([aria-hidden]){display:none}
  .slide-jump select,.share-link-fallback{font-size:1rem}
  .archive-filters{gap:4px;flex-wrap:wrap}
  .filter-button{padding:8px 10px}
  .filter-button span{margin-left:4px}
  .archive-empty{padding-inline:0}
  /* Keep the photograph wide; navigation lives above it instead of across it. */
  .lightbox{padding:calc(76px + env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));height:100dvh;overflow:auto}
  .lightbox-layout{display:flex;flex-direction:column;width:100%;height:auto;gap:24px}
  .lightbox figure{width:100%;height:auto;overflow:visible}
  .lightbox #full-photo,.lightbox #full-video{display:block;width:100%;height:auto;max-width:100%;max-height:calc(100svh - 135px);object-fit:contain}
  .lightbox figcaption{font-size:.8125rem;line-height:1.6}
  .lightbox .photo-nav{position:fixed;top:calc(12px + env(safe-area-inset-top));bottom:auto;width:44px;height:44px;transform:none;background:#24111bf5;border:1px solid #fff4;border-radius:4px;font-size:1.5rem;z-index:5}
  .lightbox .previous-photo{left:16px;right:auto}
  .lightbox .next-photo{left:70px;right:auto}
  .lightbox .close-photo{position:fixed;top:calc(12px + env(safe-area-inset-top));right:16px;min-height:44px;padding:10px 14px;z-index:5}
  .lightbox .photo-info{padding:0;max-height:none;overflow:visible}
  .lightbox .photo-info h2{font-size:clamp(2.25rem,9vw,3rem);line-height:1.2;overflow-wrap:anywhere}
  .photo-specs dd{overflow-wrap:anywhere}
  .expedition-shell{padding:calc(12px + env(safe-area-inset-top)) 16px calc(20px + env(safe-area-inset-bottom))}
  .expedition-top{gap:12px}
  .expedition-stage{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:24px 0 18px;gap:22px}
  .expedition-frame:before,.expedition-frame:after{display:none}
  #expedition-image,#expedition-video{width:100%;height:auto;min-height:0;max-height:65svh;object-fit:contain;filter:none}
  .expedition-arrow{position:relative;inset:auto;transform:none;width:48px;height:44px}
  .expedition-back{grid-column:1;grid-row:3;justify-self:start}
  .expedition-forward{grid-column:2;grid-row:3;justify-self:end;margin:0}
  .expedition-frame{grid-column:1/-1;grid-row:2}.expedition-heading{grid-column:1/-1;grid-row:1}
  .trail-dock{width:calc(100% - 24px);bottom:max(12px,env(safe-area-inset-bottom))}
  .trail-dock summary{min-width:0;font-size:.8125rem}
  #trail-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .trail-explore{padding-inline:10px;font-size:.8125rem}
  footer{padding-bottom:calc(105px + env(safe-area-inset-bottom))}
}
@media (max-width:1000px) and (max-height:550px) {
  .gallery{--deck-card-width:min(50vw,270px)}
}