body.book-open { overflow: hidden; }
.book { position: fixed; inset: 0; z-index: 200; display: grid; grid-template-rows: auto 1fr auto; align-items: center; justify-items: center; opacity: 0; transition: opacity .25s; }
.book[hidden] { display: none; }
.book.on { opacity: 1; }
.book-bg { position: fixed; inset: 0; background: rgba(28, 26, 22, .86); }
.book-ui { position: relative; width: min(1320px, 94vw); display: flex; align-items: center; justify-content: space-between; padding: 14px 0 10px; color: #efeae0; }
.book-t { margin: 0; font: 600 11.5px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; }
.book-x { width: 40px; height: 40px; border: 1px solid rgba(239, 234, 224, .5); border-radius: 50%; background: none; color: #efeae0; font: 400 24px/1 var(--sans); cursor: pointer; }
.book-frame { position: relative; perspective: 2600px; width: min(1320px, 94vw, calc((100svh - 140px) * 1.56)); aspect-ratio: 1.56; }
.book-stage { position: absolute; inset: 0; display: grid; grid-template-columns: 1fr 1fr; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .7); transition: opacity .16s, transform .22s; }
.book-stage.fade { opacity: 0; }
.pg { position: relative; overflow: hidden; background: #fbf9f4; color: var(--ink); }
.pg-l { box-shadow: inset -30px 0 40px -30px rgba(0, 0, 0, .28); }
.pg-r { box-shadow: inset 30px 0 40px -30px rgba(0, 0, 0, .28); }
.gutter { position: absolute; left: 50%; top: 0; bottom: 0; width: 60px; margin-left: -30px; pointer-events: none; z-index: 3;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, .14) 46%, rgba(0, 0, 0, .22) 50%, rgba(0, 0, 0, .14) 54%, rgba(0, 0, 0, 0)); }
.pg-wide { position: absolute; inset: 0; overflow: hidden; }
.pg-wide img { position: absolute; top: 0; height: 100%; width: 200%; max-width: none; object-fit: cover; }
.pg-wide-l img { left: 0; }
.pg-wide-r img { left: -100%; }
.pg-card { position: absolute; right: 6%; bottom: 7%; width: min(78%, 380px); background: rgba(251, 249, 244, .95); padding: 22px 24px 18px; z-index: 2; }
.pg-card h2 { margin: 0 0 .3em; font: 400 clamp(26px, 2.8vw, 40px)/1.05 var(--serif); }
.pg-card p { margin: 0 0 .5em; font-size: 14.5px; line-height: 1.55; color: var(--ink2); }
.pg-card .eyebrow { margin-bottom: .7em; }
.pg-card .pg-cap { margin: .7em 0 0; font: italic 400 14px/1.3 var(--serif); color: var(--mute); }
.pg-card.pg-card-top { top: 7%; bottom: auto; }
.pg-fig { margin: 0; position: absolute; inset: 0; }
.pg-fig img { width: 100%; height: calc(100% - 40px); object-fit: cover; }
.pg-fig figcaption { position: absolute; left: 22px; right: 22px; bottom: 11px; font: italic 400 15px/1.2 var(--serif); color: var(--ink2); }
.pg-text { position: absolute; inset: 0; padding: clamp(28px, 4.5%, 56px) clamp(28px, 7%, 72px); display: flex; flex-direction: column; justify-content: center; }
.pg-text h3 { margin: 0 0 .45em; font: 400 clamp(28px, 3vw, 44px)/1.05 var(--serif); }
.pg-text p { margin: 0 0 .8em; color: var(--ink2); font-size: 15.5px; max-width: 28em; }
.pg-list { list-style: none; margin: 4px 0 14px; padding: 0; columns: 2; column-gap: 28px; }
.pg-list li { break-inside: avoid; padding: 7px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.pg-list span { font: 500 19px/1.2 var(--serif); }
.pg-list em { font: normal 12.5px/1.4 var(--sans); color: var(--mute); }
.pg-list em:empty { display: none; }
.pg-note { font-size: 12.5px !important; }
.folio { position: absolute; bottom: 12px; font: 600 9.5px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--mute); z-index: 2; }
.folio-l { left: 22px; }
.folio-r { right: 22px; }
.pg-fig ~ .folio { display: none; }
.pg-wide ~ .folio { color: rgba(255, 255, 255, .85); text-shadow: 0 1px 6px rgba(0, 0, 0, .4); }
.pg-card ~ .folio { display: none; }
.leaf { position: absolute; top: 0; bottom: 0; width: 50%; z-index: 4; transform-style: preserve-3d; transition: transform .75s cubic-bezier(.45, .05, .25, 1); }
.leaf-r { left: 50%; transform-origin: 0 50%; }
.leaf-l { left: 0; transform-origin: 100% 50%; }
.leaf-r.turn { transform: rotateY(-180deg); }
.leaf-l.turn { transform: rotateY(180deg); }
.face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.back { transform: rotateY(180deg); }
.leaf .face::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(0, 0, 0, .18), rgba(0, 0, 0, 0) 30%); opacity: 0; transition: opacity .75s; }
.leaf.turn .face::after { opacity: 1; }
.book-nav { position: relative; display: flex; align-items: center; gap: 18px; padding: 12px 0 18px; color: #efeae0; font: 600 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.book-nav button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(239, 234, 224, .6); background: rgba(255, 255, 255, .06); color: #efeae0; cursor: pointer; display: grid; place-items: center; }
.book-nav button:disabled { opacity: .3; cursor: default; }
.book-nav svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }
@media (max-width: 759px) {
.book-ui { width: calc(100vw - 32px); }
.book-frame { width: calc(100vw - 32px); aspect-ratio: auto; height: calc(100svh - 150px); }
.book-stage { grid-template-columns: 1fr; }
.book-stage.out-l { transform: translateX(-24px); opacity: 0; }
.book-stage.out-r { transform: translateX(24px); opacity: 0; }
.book-stage.in-r { transform: translateX(24px); opacity: 0; transition: none; }
.book-stage.in-l { transform: translateX(-24px); opacity: 0; transition: none; }
.pg-one .pg-wide-one { position: absolute; inset: 0 0 46% 0; }
.pg-one .pg-wide-one img { width: 100%; left: 0; }
.pg-one .pg-card { left: 0; right: 0; bottom: 0; width: auto; top: 54%; padding: 18px 20px; overflow: auto; }
.pg-text { padding: 26px 22px; justify-content: flex-start; overflow: auto; }
.pg-list { columns: 1; }
}