/* Work page (/work) and the twelve project pages (/work/<slug>). Uses the tokens and components in site.css.
   Both page types share this one file: the project pages are generated by tools/build-projects.cjs. */

/* ==========================================================================
   Work page
   ========================================================================== */

/* ---------- page head ---------- */
.whead { padding-top: clamp(32px, 6vh, 72px); padding-bottom: var(--s-8); }
.whead + .section { padding-top: var(--s-8); }
.whead__grid { row-gap: var(--s-7); align-items: end; }
.whead__text, .wkey { grid-column: 1 / -1; }
.whead__h { margin-top: var(--s-5); max-width: 15ch; }
.whead__lead { margin-top: var(--s-5); max-width: 44ch; }
.whead__jump { margin-top: var(--s-4); }
@media (min-width: 1100px) {
  .whead__text { grid-column: 1 / span 8; }
  .wkey { grid-column: 9 / span 4; }
}

/* the key: how to read a row, set like the legend on a drawing */
.wkey { background: var(--grid-paper), var(--sheet); border: 1px solid var(--line); padding: var(--s-5); }
.wkey__h { color: var(--muted); padding-bottom: var(--s-3); }
.wkey__list > div { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: var(--s-4); align-items: center; padding: var(--s-3) 0; border-top: 1px solid var(--line); }
.wkey__list dd { font-size: 14px; line-height: 1.45; }
.wkey__no { font-size: var(--fs-label); letter-spacing: .08em; color: var(--muted); }
.wkey__route { font-size: 10px; letter-spacing: .06em; color: var(--muted); }
.wkey__hatch { display: block; width: 48px; height: 36px; background: var(--hatch), var(--bench); border: 1px solid var(--line); }
.wkey .strip__bar i { width: 16px; }

/* ---------- the ruler ---------- */
.wruler .section-head { margin-bottom: var(--s-6); }
.wruler__fig { margin-top: 0; }

/* ---------- the list ---------- */
.wlist { overflow-x: clip; }   /* clip (not hidden): the sticky filter bar keeps working, its full-width backdrop cannot scroll the page */
.wlist .section-head { margin-bottom: var(--s-5); }

/* filters: sticky under the header once scrolled to. Shown only with JavaScript (the class is set in the head, before first paint, so nothing shifts). */
html:not(.js) .wfilter { display: none; }
.wfilter { position: sticky; top: var(--header-h); z-index: 20; padding: var(--s-2) 0 var(--s-1); background: var(--paper); }
.wfilter::before { content: ''; position: absolute; z-index: -1; inset: 0 -100vw; background: var(--paper); border-bottom: 1px solid var(--line); }
.wfilter__in { display: flex; flex-wrap: wrap; gap: 0 var(--s-7); }
.wfilter .chips { align-items: center; max-width: 100%; }
.wfilter__legend { flex: none; min-width: 6.5em; color: var(--muted); }
.wfilter__result { display: flex; flex-wrap: wrap; align-items: center; gap: 0 var(--s-3); min-height: 44px; font-family: var(--font-mono); font-size: var(--fs-caption); }
.wfilter__reset { min-height: 44px; padding: 0; border: 0; background: none; font-family: var(--font-sans); font-size: 15px; }
.wfilter + .rows { margin-top: var(--s-3); }
@media (max-width: 767px) {
  .wfilter__in { flex-direction: column; }
  .wfilter .chips { margin-inline: calc(-1 * var(--margin)); padding-inline: var(--margin); scroll-padding-inline: var(--margin); max-width: none; }
  .wfilter__legend { min-width: 5.5em; }
}

/* rows: phone and tablet card, desktop row (site.css .prow sets the desktop grid) */
.prow__type { margin-bottom: var(--s-1); color: var(--muted); }
.prow__thumb--contain img { object-fit: contain; padding: 4px; background: var(--sheet); }
.prow__thumb--withheld { background: var(--hatch), var(--bench); }
.prow__meta .tags { gap: 4px; }
@media (max-width: 1099px) {
  .prow__title { font-size: 18px; }
}
@media (max-width: 767px) {
  /* phone: the full summary is on the project page; three lines here keep the list scannable */
  .prow__sum { display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
}
@media (min-width: 768px) and (max-width: 1099px) {
  .prow { grid-template-columns: 120px minmax(0, 1fr) minmax(0, 1fr); }
  .prow__thumb { width: 120px; grid-row: 1 / span 3; }
  .prow__no, .prow__body { grid-column: 2 / -1; }
  .prow__route { grid-column: 2; grid-row: 3; }
  .prow__meta { grid-column: 3; grid-row: 3; align-self: end; }
}
@media (min-width: 1100px) {
  .prow { padding: 24px 0; }
  .prow__no { padding-top: 4px; }
  .prow__body { padding-right: var(--s-4); }
  .prow__route { padding-top: 4px; }
  .prow__meta { padding-top: 6px; gap: var(--s-3); }
  .prow__meta .strip { flex-direction: column; align-items: flex-start; gap: 6px; }
  .prow--reserved .prow__body { grid-column: 4 / span 9; }
}
.prow--reserved .t-h4 { color: var(--ink); }
.wlist__note { margin-top: var(--s-5); font: 400 var(--fs-caption)/1.5 var(--font-mono); color: var(--muted); }

/* ==========================================================================
   Project pages
   ========================================================================== */

/* ---------- head ---------- */
.phead { padding: clamp(16px, 3vh, 32px) 0 var(--section-y); }
.crumb { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 var(--s-4); border-bottom: 1px solid var(--line); }
.crumb__path { display: flex; align-items: center; gap: var(--s-2); min-height: 44px; color: var(--muted); }
.crumb__path a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.crumb__path a:hover { text-decoration-thickness: 2px; }
.crumb__step { display: flex; }
.crumb__step a { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 56px; min-height: 44px; padding: 0 var(--s-2); text-decoration: none; }
.crumb__step a:hover { text-decoration: underline; text-underline-offset: 4px; }
.crumb__step a + a { border-left: 1px solid var(--line); }
.phead__h { margin-top: var(--s-6); max-width: 20ch; }
.phead__grid { margin-top: var(--s-7); row-gap: var(--s-7); align-items: start; }
.phead__text, .phead__fig { grid-column: 1 / -1; }
.phead__lead { max-width: 40ch; }
.phead__route { margin-top: var(--s-6); padding-top: var(--s-5); border-top: 1px solid var(--line); }
.phead__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-5); margin-top: var(--s-5); }
.phead__book { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-4); margin-top: var(--s-6); }
.phead__book .small { max-width: 22ch; }
@media (max-width: 767px) {
  .phead__h { margin-top: var(--s-5); font-size: clamp(2.25rem, 1.5rem + 3.2vw, 2.75rem); }
  .phead__grid { margin-top: var(--s-5); }
  .phead__book .btn { width: 100%; min-height: 52px; }
}
@media (min-width: 1100px) {
  .phead__text { grid-column: 1 / span 5; }
  .phead__fig { grid-column: 6 / span 7; }
}

/* a photo that must be framed tighter than 'cover' (people at the edge stay out of the picture) */
.fig--zoomed .fig__frame img { transform: scale(var(--zoom, 1)); transform-origin: var(--focus, 50% 50%); }

/* ---------- in operation (video and the operator screen) ---------- */
.pband .label { margin-bottom: var(--s-6); }
.pband__grid { row-gap: var(--s-7); align-items: start; }
.pvid, .pband__fig { grid-column: 1 / -1; }
@media (min-width: 1100px) {
  .pvid { grid-column: 1 / span 8; }
  .pband__fig { grid-column: 9 / span 4; }
}
.pvid__frame { position: relative; aspect-ratio: 16 / 9; background: var(--dark); border: 1px solid var(--line); overflow: hidden; }
.pvid__frame video { width: 100%; height: 100%; object-fit: cover; }
.pvid__play { position: absolute; left: var(--s-4); bottom: var(--s-4); display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 18px 0 16px; border: 0; border-radius: var(--r-2); background: var(--ink); color: var(--paper); font: 600 16px/1 var(--font-sans); transition: background-color var(--dur-1) linear; }
.pvid__play:hover { background: var(--ink-hover); }
.pvid__play:active { transform: translateY(1px); }
.pvid__play:focus-visible { outline-color: var(--paper); outline-offset: -5px; }
.pvid__icon { width: 0; height: 0; border-left: 11px solid currentColor; border-top: 7px solid transparent; border-bottom: 7px solid transparent; }
.pvid__toggle { display: inline-flex; align-items: center; min-height: 44px; margin-left: var(--s-2); padding: 0 var(--s-3); border: 1px solid var(--line-strong); border-radius: var(--r-2); background: transparent; font: 500 12px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; vertical-align: middle; }
.pvid__toggle:hover { background: var(--sheet); }

/* ---------- the record: key figures and scope ---------- */
.prec__grid { row-gap: var(--s-7); }
.prec__keys, .prec__scope { grid-column: 1 / -1; }
.prec .label { margin-bottom: var(--s-5); }
@media (min-width: 1100px) {
  .prec__keys { grid-column: 1 / span 4; position: sticky; top: calc(var(--header-h) + var(--s-6)); align-self: start; }
  .prec__scope { grid-column: 6 / span 7; }
  .prec__grid--nokeys .prec__scope { grid-column: 1 / span 8; }
}
.prec .keys > div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
@media (min-width: 768px) and (max-width: 1099px) { .prec .keys > div { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: var(--s-4); } }
.pscope__block + .pscope__block { margin-top: var(--s-7); }
.pscope h3 { margin-bottom: var(--s-3); }
.pscope p { max-width: 62ch; }
.pscope__list { margin-top: var(--s-4); border-top: 1px solid var(--line); counter-reset: part; }
.pscope__list li { display: flex; gap: var(--s-4); padding: 10px 0; border-bottom: 1px solid var(--line); line-height: 1.45; }
.pscope__list li::before { counter-increment: part; content: counter(part, decimal-leading-zero); flex: none; width: 2em; padding-top: 3px; font: 500 var(--fs-label)/1.4 var(--font-mono); letter-spacing: .06em; color: var(--muted); }
@media (min-width: 768px) {
  .pscope__list--2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(var(--rows, 8), auto); grid-auto-flow: column; column-gap: var(--gap); }
}
.pdiag { margin-top: var(--s-8); }

/* ---------- figures ---------- */
.pfigs .label { margin-bottom: var(--s-6); }
.pfigs__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s-7) var(--gap); }
@media (min-width: 768px) { .pfigs__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- more work: story line, previous, all, next ---------- */
.pnav { border-top: 1px solid var(--line); }
.pstory { display: flex; flex-wrap: wrap; align-items: center; gap: 0 var(--s-3); margin-bottom: var(--s-8); padding: var(--s-2) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pstory::before { content: ''; flex: none; width: 18px; height: var(--w-mark); background: var(--accent); }
.pstory__t { flex: 0 1 auto; min-width: 0; max-width: calc(100% - 18px - var(--s-3)); }
.pstory .link { display: inline-flex; align-items: center; min-height: 44px; }
.pnav .label { margin-bottom: var(--s-5); }
.pnav__grid { display: grid; grid-template-columns: minmax(0, 1fr); border-top: 1px solid var(--line); }
.pnav__card { position: relative; display: grid; grid-template-columns: 120px minmax(0, 1fr); grid-template-rows: auto auto 1fr; gap: var(--s-2) var(--s-4); padding: var(--s-5) 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: background-color var(--dur-1) linear; }
.pnav__dir { grid-column: 1 / -1; color: var(--muted); }
.pnav__thumb { grid-column: 1; grid-row: 2 / span 2; width: 120px; aspect-ratio: 4 / 3; background: var(--sheet); border: 1px solid var(--line); overflow: hidden; transition: border-color var(--dur-1) linear; }
.pnav__thumb img { width: 100%; height: 100%; object-fit: cover; object-position: var(--focus, 50% 50%); }
.pnav__thumb--contain img { object-fit: contain; padding: 4px; }
.pnav__thumb--withheld { background: var(--hatch), var(--bench); }
.pnav__title { grid-column: 2; align-self: start; }
.pnav__reached { grid-column: 2; color: var(--muted); }
.pnav__card:hover .pnav__title { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.pnav__card:hover .pnav__thumb { border-color: var(--line-strong); }
.pnav__all { display: flex; flex-direction: column; justify-content: center; gap: var(--s-2); min-height: 120px; padding: var(--s-5) 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.pnav__all .caps { color: var(--muted); }
.pnav__all:hover .t-h4 { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.pnav__grid-ico { display: grid; grid-template-columns: repeat(6, 8px); gap: 4px; margin-top: var(--s-2); }
.pnav__grid-ico i { width: 8px; height: 8px; background: var(--ink); }
@media (min-width: 900px) {
  .pnav__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 5fr); border-bottom: 1px solid var(--line); }
  .pnav__card, .pnav__all { border-bottom: 0; padding: var(--s-6) var(--s-5); }
  .pnav__card--prev { padding-left: 0; }
  .pnav__all { align-items: center; text-align: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
  .pnav__card--next { padding-right: 0; }
  .pnav__card:hover, .pnav__all:hover { background: var(--sheet); }
}
.pnav__card:focus-visible, .pnav__all:focus-visible { outline-offset: -2px; }

/* ==========================================================================
   Forced colours and print
   ========================================================================== */
@media (forced-colors: active) {
  .wkey, .wkey__hatch, .prow__thumb, .pnav__thumb, .pvid__frame, .fig__withheld { border-color: CanvasText; }
  .pnav__grid-ico i, .pstory { forced-color-adjust: none; }
  .pnav__grid-ico i { background: CanvasText; }
  .pvid__play { border: 2px solid ButtonText; }
}
@media print {
  .wfilter, .whead__jump, .phead__book, .pvid, .pband, .pnav__grid-ico, .crumb__step { display: none !important; }
  .prow[hidden] { display: grid !important; }
  .wlist { overflow: visible; }
  .prec__keys { position: static; }
  .pnav__card, .pnav__all { padding: 6pt 0; }
}