/* Brochure page: the 2026 brochure as a book that turns on the drafting table, then its chapters. */

/* ---------- opener ---------- */
.wf .br-open__copy { visibility: hidden; }   /* held back until the web fonts are in, so nothing shifts as they swap */
.br-open { padding: calc(var(--hdr) + clamp(20px, 2.4vw, 36px)) 0 clamp(28px, 3vw, 48px); overflow: clip; isolation: isolate; }
.br-open__grid { display: grid; grid-template-columns: minmax(290px, 380px) minmax(0, 1fr); gap: clamp(28px, 4vw, 64px); align-items: center; }
.br-crumb { font-size: .9rem; color: var(--muted-d); margin-bottom: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.br-crumb a { display: inline-flex; align-items: center; min-height: 44px; margin: -12px 0; color: var(--silver-hi); text-decoration: none; }
.br-crumb a:hover { color: var(--oak-hi); }
.br-crumb [aria-current] { color: var(--oak-hi); }
.br-h { font-size: clamp(2.2rem, 3.2vw, 3.5rem); line-height: 1.04; color: #fff; margin-bottom: .4em; }
.br-lede { font-size: clamp(1.04rem, 1.15vw, 1.14rem); line-height: 1.6; color: var(--muted-d); margin: 0 0 22px; }
.br-facts { margin: 22px 0 0; padding: 14px 0 0; border-top: 1px solid rgba(183, 192, 198, .2); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.br-facts div { margin: 0; }
.br-facts dt { color: var(--muted-d); margin-bottom: 4px; }
.br-facts dd { margin: 0; font: 400 clamp(1.4rem, 1.7vw, 1.8rem)/1 var(--f-d); color: #fff; font-variant-numeric: lining-nums tabular-nums; }
.br-jump { margin-top: 22px; }
.br-jump .k { margin: 0 0 6px; }
.br-jump ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(183, 192, 198, .2); display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; }
.br-jump a { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; border-bottom: 1px solid rgba(183, 192, 198, .2); color: var(--silver-hi); text-decoration: none; font-size: .95rem; transition: color .3s, padding .4s var(--ease); }
.br-jump a b { font-weight: 600; font-size: .875rem; color: var(--oak-hi); font-variant-numeric: tabular-nums; }
.br-jump a:hover, .br-jump a:focus-visible, .br-jump a.is-on { color: #fff; padding-left: 6px; }

/* ---------- the book ---------- */
/* the book's size before the script measures it: the same sums as size() in brochure.js, so nothing moves when it runs */
.br-book { --pw: calc(min(50cqw, calc(min(max(100vh - var(--hdr) - 190px, 300px), 720px) / 1.4142))); --ph: calc(var(--pw) * 1.4142);
  container-type: inline-size; min-width: 0; display: flex; flex-direction: column; align-items: center; }
@media (max-width: 760px) { .br-book { --pw: calc(min(100cqw, 520px, calc(max(66vh, 380px) / 1.4142))); } }
.br-book__stage { position: relative; width: calc(var(--pw) * 2); height: var(--ph); perspective: 3800px; touch-action: pan-y; cursor: grab; outline: none; user-select: none; -webkit-user-select: none; }
.br-book.is-single .br-book__stage { width: var(--pw); }
.br-book__stage:focus-visible { outline: 1px dashed rgba(201, 150, 104, .8); outline-offset: 14px; }
.br-book__stage.is-drag { cursor: grabbing; }
.br-book__in { position: absolute; inset: 0; transform-style: preserve-3d; }
.br-book__shadow { position: absolute; left: 6%; right: 6%; bottom: -26px; height: 52px; background: radial-gradient(50% 50% at 50% 50%, rgba(0, 0, 0, .55), rgba(0, 0, 0, 0) 70%); filter: blur(4px); pointer-events: none; }
.br-book__poster { position: absolute; top: 0; left: 50%; width: var(--pw); height: var(--ph); margin-left: calc(var(--pw) / -2); object-fit: cover; border-radius: 2px 6px 6px 2px; box-shadow: 0 24px 60px rgba(0, 0, 0, .45); }
.br-book.is-built .br-book__poster { display: none; }
.br-leaf { position: absolute; top: 0; left: 50%; width: var(--pw); height: var(--ph); transform-origin: 0 50%; transform-style: preserve-3d; will-change: transform; }
.br-book.is-single .br-leaf { left: 0; }
.br-face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; overflow: hidden; background: #fff; }
.br-face img { display: block; width: 100%; height: 100%; object-fit: cover; }
.br-face--a { border-radius: 0 6px 6px 0; box-shadow: 6px 12px 30px rgba(0, 0, 0, .28); }
.br-face--b { transform: rotateY(180deg); border-radius: 6px 0 0 6px; box-shadow: -6px 12px 30px rgba(0, 0, 0, .28); }
.br-book.is-single .br-face--a { border-radius: 2px 6px 6px 2px; }
/* the fold: a soft shadow along the spine, and a shade that deepens while the page is lifted */
.br-face::before { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.br-face--a::before { background: linear-gradient(90deg, rgba(0, 0, 0, .22), rgba(0, 0, 0, .05) 5%, rgba(0, 0, 0, 0) 12%); }
.br-face--b::before { background: linear-gradient(270deg, rgba(0, 0, 0, .22), rgba(0, 0, 0, .05) 5%, rgba(0, 0, 0, 0) 12%); }
.br-book.is-single .br-face--a::before { background: linear-gradient(90deg, rgba(0, 0, 0, .12), rgba(0, 0, 0, 0) 6%); }
.br-face::after { content: ''; position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: var(--sh, 0); }
.br-face--a::after { background: linear-gradient(90deg, rgba(10, 12, 14, .55), rgba(10, 12, 14, .1) 60%, rgba(255, 255, 255, .08)); }
.br-face--b::after { background: linear-gradient(270deg, rgba(10, 12, 14, .5), rgba(10, 12, 14, .08) 60%, rgba(255, 255, 255, .06)); }

.br-bar { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px; width: min(100%, 560px); margin-top: 30px; padding-bottom: 12px; }
.br-bar__btn { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(183, 192, 198, .35); border-radius: var(--rb); background: transparent; color: var(--silver-hi); cursor: pointer; transition: border-color .3s, background .3s, opacity .3s; }
.br-bar__btn:hover:not(:disabled) { border-color: var(--oak); background: rgba(181, 129, 79, .14); }
.br-bar__btn:disabled { opacity: .35; cursor: default; }
.br-bar__btn svg { width: 18px; height: 10px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.br-bar__at { margin: 0; text-align: center; line-height: 1.3; }
.br-bar__at b { display: block; font: 400 1.25rem/1.2 var(--f-d); color: #fff; font-variant-numeric: lining-nums tabular-nums; }
.br-bar__at span { display: block; font-size: .9rem; color: var(--oak-hi); }
.br-bar__track { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(183, 192, 198, .2); }
.br-bar__track i { position: absolute; inset: 0; background: var(--oak); transform-origin: left; transform: scaleX(var(--p, .04)); transition: transform .6s var(--ease); }
.br-hint { margin: 10px 0 0; font-size: .9rem; color: var(--muted-d); text-align: center; }

/* without JavaScript: the pages as pictures */
.br-nojs { display: none; }
.no-js .br-book { display: none; }
.no-js .br-nojs { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px 14px; list-style: none; margin: 8px 0 0; padding: 0; }
.br-nojs li { margin: 0; }
.br-nojs img { display: block; width: 100%; height: auto; border-radius: 4px; box-shadow: 0 10px 24px rgba(0, 0, 0, .3); }
.br-nojs span { display: block; margin-top: 6px; font-size: .9rem; color: var(--muted-d); }

/* ---------- what's inside ---------- */
.br-in-sec { padding: clamp(56px, 5vw, 84px) 0; }
.br-in-sec .sec__head { margin-bottom: clamp(26px, 3vw, 40px); }
.br-ch { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 1.6vw, 24px); }
.br-ch__item { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 16px; align-items: start; padding: 16px; background: rgba(255, 255, 255, .78); border: 1px solid rgba(21, 48, 74, .1); border-radius: var(--r); box-shadow: 0 14px 34px rgba(21, 48, 74, .07); }
.br-ch__pg { position: relative; display: block; padding: 0; border: 0; background: none; cursor: pointer; text-align: left; }
.br-ch__sheet { display: block; aspect-ratio: 600 / 849; border-radius: 2px 5px 5px 2px; overflow: hidden; background: #fff; box-shadow: 0 10px 22px rgba(21, 48, 74, .2), inset 0 0 0 1px rgba(21, 48, 74, .08); transform: rotate(-2.5deg); transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.br-ch__item:nth-child(even) .br-ch__sheet { transform: rotate(2deg); }
.br-ch__sheet img { display: block; width: 100%; height: 100%; object-fit: cover; }
.br-ch__pg:hover .br-ch__sheet, .br-ch__pg:focus-visible .br-ch__sheet { transform: rotate(0) translateY(-6px) scale(1.04); box-shadow: 0 20px 34px rgba(21, 48, 74, .28); }
.br-ch__no { display: block; margin-top: 10px; font-size: .875rem; line-height: 1.3; font-weight: 600; color: var(--oak-deep); font-variant-numeric: tabular-nums; }
.br-ch__txt h3 { font-size: clamp(1.25rem, 1.4vw, 1.45rem); margin: 2px 0 6px; }
.br-ch__txt p { margin: 0 0 4px; color: var(--muted); font-size: .95rem; line-height: 1.45; }
.br-ch__item { grid-template-rows: minmax(0, 1fr) auto; }
.br-ch__item--ranges { grid-column: span 2; grid-template-rows: auto; }
.br-ch__go { grid-column: 1 / -1; justify-self: start; align-self: end; margin-top: -2px; color: var(--text); }
.br-rg { list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); column-gap: 16px; border-top: 1px solid rgba(21, 48, 74, .14); }
.br-rg li { display: flex; align-items: center; gap: 6px; border-bottom: 1px solid rgba(21, 48, 74, .14); }
.br-rg a { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; min-height: 48px; padding: 5px 0; color: var(--text); text-decoration: none; }
.br-rg a b { font: 400 1.1rem/1.2 var(--f-d); }
.br-rg a span { font-size: .875rem; line-height: 1.3; color: var(--muted); font-variant-numeric: tabular-nums; }
.br-rg a:hover b { color: var(--oak-deep); }
.br-rg button { min-width: 44px; min-height: 44px; border: 0; background: none; color: var(--oak-deep); font-weight: 600; font-size: .875rem; cursor: pointer; font-variant-numeric: tabular-nums; }
.br-rg button:hover { text-decoration: underline; }

/* ---------- smaller screens ---------- */
@media (max-width: 1279px) {
  .br-ch { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) { .br-ch__item--ranges { grid-column: auto; } }
@media (max-width: 1100px) {
  .br-open__grid { grid-template-columns: minmax(0, 1fr); }
  .br-open__copy { max-width: none; }
  .br-jump ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .no-js .br-nojs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
/* phones and small tablets: the book comes straight after the heading, so it is on the first screen */
@media (max-width: 760px) {
  .br-open__grid { gap: 0; }
  .br-open__copy { display: contents; }
  .br-crumb, .br-h, .br-lede { order: 1; }
  .br-book { order: 2; margin: 4px 0 26px; }
  .br-open__copy .btns { order: 3; }
  .br-facts, .br-jump { order: 4; }
  .br-lede { margin-bottom: 18px; }
  .br-bar { margin-top: 22px; }
}
@media (max-width: 700px) {
  .br-ch { grid-template-columns: minmax(0, 1fr); }
  .br-jump ul { grid-template-columns: 1fr 1fr; }
  .br-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 14px; }
  .br-ch__item { grid-template-columns: 92px minmax(0, 1fr); padding: 16px; gap: 16px; }
  .no-js .br-nojs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}