/* =====================================================================
   NoVi — case studies (/portfolio/projects/*) and the Design Concepts
   collection (/portfolio/concepts[/*]). Round 7, case-studies stream.
   Extends pages-portfolio.css (same .pf language): tokens only (dark +
   light), logical properties for RTL, transform/opacity motion only,
   prefers-reduced-motion = final states.
   ===================================================================== */

/* ------------------------------------------------------------ case-study cards + filters */
.pf-cfilters { display: grid; gap: 12px; margin-bottom: clamp(24px, 3vw, 36px); }
.pf-cfilter { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.pf-cfilter__label {
  min-width: 96px; margin-inline-end: 6px;
  font: 600 var(--fs-eyebrow)/1.4 var(--ff-head); letter-spacing: var(--ls-eyebrow); text-transform: var(--tt-eyebrow); color: var(--novi-gold-hi);
}
.novi-rtl .pf-cfilter__label { font-size: 14px; letter-spacing: 0; text-transform: none; }
@media (max-width: 599px) {
  .pf-cfilter__label { flex-basis: 100%; }
}

.pf-ccard__in, .pf-kcard__in {
  position: relative; display: flex; flex-direction: column; height: 100%;
  text-decoration: none !important; color: inherit !important;
  background: var(--pf-card, rgba(var(--novi-fg-rgb), 0.03)); border: 1px solid var(--novi-line);
  transition: border-color 0.4s, transform 0.5s var(--pf-ease, ease);
}
.pf-ccard__in:hover, .pf-kcard__in:hover { border-color: rgba(var(--novi-gold-rgb), 0.55); transform: translateY(-3px); }
.pf-ccard__in:focus-visible, .pf-kcard__in:focus-visible { outline: 2px solid var(--novi-gold-hi); outline-offset: 3px; }
.pf-ccard__media, .pf-kcard__media { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--novi-surface); }
.pf-ccard__media picture, .pf-kcard__media picture { width: 100%; height: 100%; }
.pf-ccard__media img, .pf-kcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--pf-ease, ease); }
.pf-ccard__in:hover .pf-ccard__media img, .pf-kcard__in:hover .pf-kcard__media img { transform: scale(1.05); }
.pf-ccard__status {
  position: absolute; bottom: 12px; inset-inline-start: 12px; z-index: 2; padding: 5px 10px; border-radius: 999px;
  background: rgba(8, 8, 8, 0.66); color: #e2c192; font: 600 12px/1.2 var(--ff-body);
}
.pf-ccard__info, .pf-kcard__info { display: flex; flex-direction: column; gap: 6px; flex: 1; padding: 18px 20px 20px; }
.pf-ccard__meta, .pf-kcard__meta {
  font: 600 var(--fs-eyebrow)/1.4 var(--ff-head); letter-spacing: var(--ls-eyebrow); text-transform: var(--tt-eyebrow); color: var(--novi-gold-hi);
}
.novi-rtl .pf-ccard__meta, .novi-rtl .pf-kcard__meta { font-size: 13px; letter-spacing: 0; text-transform: none; }
.pf-ccard__name, .pf-kcard__name { font: 500 var(--fs-h3)/1.25 var(--ff-head); color: var(--novi-strong); }
.novi-rtl .pf-ccard__name, .novi-rtl .pf-kcard__name { font-weight: 700; line-height: 1.45; }
.pf-ccard__place, .pf-kcard__setting { font-size: 14px; line-height: 1.5; color: var(--novi-muted); }
.pf-ccard__metric { font: 500 15px/1.4 var(--ff-head); color: var(--novi-text); }
.pf-ccard__go, .pf-kcard__go { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 10px; font-size: 14px; font-weight: 600; color: var(--novi-gold-hi); }
.pf-ccard__in:hover .nh-arrow, .pf-kcard__in:hover .nh-arrow { transform: translateX(4px); }
[dir="rtl"] .pf-ccard__in:hover .nh-arrow, [dir="rtl"] .pf-kcard__in:hover .nh-arrow { transform: scaleX(-1) translateX(4px); }

.pf-reg__link { color: inherit !important; text-decoration: none !important; border-bottom: 1px solid rgba(var(--novi-gold-rgb), 0.45); transition: color 0.3s, border-color 0.3s; }
.pf-reg__link:hover { color: var(--novi-gold-hi) !important; border-color: var(--novi-gold-hi); }

/* ------------------------------------------------------------ case study: facts */
.pf-cfacts__grid { display: grid; gap: clamp(32px, 5vw, 80px); align-items: start; }
.pf-cfacts__dl { max-width: 760px; }
.pf-cfacts__aside { display: grid; gap: 28px; align-content: start; }
.pf-cfacts__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pf-cfacts__stats .pf-stat__num { text-align: start; font-size: clamp(30px, 1.2vw + 20px, 44px); white-space: nowrap; }
.novi-rtl .pf-cfacts__stats .pf-stat__num { direction: ltr; unicode-bidi: isolate; text-align: end; }
.pf-cnotes { display: grid; gap: 12px; }
.pf-cnote {
  position: relative; padding: 14px 16px; padding-inline-start: 18px;
  border: 1px solid var(--novi-line); border-inline-start: 2px solid rgba(var(--novi-gold-rgb), 0.7);
  font-size: var(--fs-small); line-height: 1.65; color: var(--novi-muted); background: rgba(var(--novi-gold-rgb), 0.04);
}
.pf-cnote.is-design { color: var(--novi-text); border-inline-start-color: var(--novi-gold-hi); }
@media (min-width: 992px) {
  .pf-cfacts__grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
}

/* ------------------------------------------------------------ case study: brief · challenge · approach */
.pf-cstory .container { display: grid; gap: clamp(36px, 4.5vw, 64px); }
.pf-cstory__block { display: grid; gap: 10px 32px; padding-top: clamp(24px, 3vw, 36px); border-top: 1px solid var(--novi-line); }
.pf-cstory__block:first-child { border-top: 0; padding-top: 0; }
.pf-cstory__n { font: 400 clamp(34px, 2.4vw + 18px, 56px)/1 var(--ff-head); color: transparent; -webkit-text-stroke: 1px rgba(var(--novi-gold-rgb), 0.8); }
.pf-cstory__h { margin-top: 0 !important; }
@media (min-width: 900px) {
  .pf-cstory__block { grid-template-columns: 120px minmax(0, 1fr); }
}

/* ------------------------------------------------------------ case study: scope + disciplines */
.pf-cscope__grid { display: grid; gap: clamp(32px, 5vw, 80px); align-items: start; }
.pf-cscope__list { margin-top: 0 !important; }
@media (min-width: 700px) { .pf-cscope__list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; } }
.pf-cscope__disc { padding: clamp(22px, 2.4vw, 32px); border: 1px solid rgba(var(--novi-gold-rgb), 0.3); background: var(--pf-card, transparent); }
.pf-cdisc { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-cdisc .pf-chip { gap: 10px; }
.pf-cdisc .pf-chip .nh-arrow { width: 14px; height: 14px; }
[dir="rtl"] .pf-cdisc .pf-chip .nh-arrow { transform: scaleX(-1); }
@media (min-width: 992px) {
  .pf-cscope__grid { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
}

/* ------------------------------------------------------------ design concepts: labelling */
.pf-tag--concept { background: rgba(8, 8, 8, 0.72); color: #e2c192; box-shadow: inset 0 0 0 1px rgba(226, 193, 146, 0.55); }
.pf-knotice { position: relative; background: var(--novi-bg-2); border-bottom: 1px solid var(--novi-line); }
.pf-knotice__in { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding-block: 18px; }
.pf-knotice__badge {
  display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(var(--novi-gold-rgb), 0.6); color: var(--novi-gold-hi);
  font: 600 11px/1.2 var(--ff-head); letter-spacing: 0.14em; text-transform: uppercase; white-space: nowrap;
}
.novi-rtl .pf-knotice__badge { font-size: 13px; letter-spacing: 0; text-transform: none; }
.pf-knotice__text { flex: 1 1 420px; margin: 0; font-size: var(--fs-small); line-height: 1.6; color: var(--novi-text); }
.pf-knotice__link { color: var(--novi-gold-hi) !important; font-size: var(--fs-small); font-weight: 600; text-decoration: none !important; border-bottom: 1px solid currentColor; }
.pf-knotice__inline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: -8px 0 26px !important; font-size: var(--fs-small); color: var(--novi-muted); }
.pf-kdisclaimer {
  max-width: 980px; padding: clamp(26px, 3vw, 44px);
  border: 1px dashed rgba(var(--novi-gold-rgb), 0.55); background: rgba(var(--novi-gold-rgb), 0.04);
}
.pf-kdisclaimer .pf-h2 { max-width: none; }
.pf-kcard__in { border-style: dashed; }

/* ------------------------------------------------------------ design concepts: hub */
.pf-kgroup { scroll-margin-top: calc(var(--novi-header-h, 76px) + 24px); }
.pf-kgroup + .pf-kgroup { margin-top: clamp(40px, 5vw, 72px); }
.pf-kgroup__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 24px; margin-bottom: 20px; padding-top: 18px; border-top: 1px solid var(--novi-line-2); }
.pf-kgroup__head .pf-h3 { margin: 0 !important; }
.pf-kgroup__intro { margin: 0; font-size: 15px; color: var(--novi-muted); }
.pf-kgroup:not(:has([data-tags]:not([hidden]))) { display: none; }

/* ------------------------------------------------------------ design concepts: page */
.pf-kbrief__grid, .pf-kmat__grid { display: grid; gap: clamp(32px, 5vw, 80px); align-items: start; }
.pf-kbrief__facts { align-self: start; }
@media (min-width: 992px) {
  .pf-kbrief__grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  .pf-kmat__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
.pf-kgal__grid { display: grid; gap: clamp(12px, 1.4vw, 20px); }
@media (min-width: 768px) { .pf-kgal__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.pf-kgal__grid > li:first-child:nth-last-child(odd) { grid-column: 1 / -1; }
.pf-kfig { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--novi-line); background: var(--novi-surface); }
.pf-kfig picture, .pf-kfig img { display: block; width: 100%; height: 100%; }
.pf-kfig img { aspect-ratio: 16 / 10; object-fit: cover; }
.pf-kfig__cap {
  position: absolute; inset-inline: 0; bottom: 0; padding: 28px 14px 10px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.72)); color: rgba(255, 255, 255, 0.82);
  font-size: 12.5px; line-height: 1.4;
}
.pf-kpal { display: grid; gap: 0; border-top: 1px solid var(--novi-line-2); }
.pf-kpal__item { display: grid; grid-template-columns: 44px minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--novi-line); }
.pf-kpal__swatch { grid-row: span 2; width: 44px; height: 44px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(var(--novi-fg-rgb), 0.18), 0 6px 18px -8px rgba(0, 0, 0, 0.5); }
.pf-kpal__name { font: 500 16px/1.35 var(--ff-head); color: var(--novi-strong); }
.novi-rtl .pf-kpal__name { font-weight: 700; }
.pf-kpal__note { margin-top: 2px; font-size: 14px; line-height: 1.5; color: var(--novi-muted); }
.pf-kmoves__title { margin-top: 0 !important; margin-bottom: clamp(20px, 2.4vw, 32px) !important; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .pf-kpal__item:hover .pf-kpal__swatch { transform: scale(1.08); }
  .pf-kpal__swatch { transition: transform 0.4s var(--pf-ease, ease); }
}

/* ------------------------------------------------------------ "See design concepts for …" band (landing pages, case studies) */
.pf-kteaser { position: relative; padding-block: clamp(22px, 2.6vw, 34px); background: var(--novi-bg-2); border-block: 1px solid var(--novi-line); }
.pf-kteaser__in { display: grid; gap: 14px 40px; align-items: center; }
.pf-kteaser__eyebrow {
  margin: 0 0 6px !important; font: 600 var(--fs-eyebrow)/1.4 var(--ff-head); letter-spacing: var(--ls-eyebrow, 0.18em);
  text-transform: var(--tt-eyebrow, uppercase); color: var(--novi-gold-hi);
}
.novi-rtl .pf-kteaser__eyebrow, [dir="rtl"] .pf-kteaser__eyebrow { font-size: 14px; letter-spacing: 0; text-transform: none; }
.pf-kteaser__text { margin: 0 !important; font-size: var(--fs-small); line-height: 1.6; color: var(--novi-muted); }
.pf-kteaser__links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; list-style: none; }
.pf-kteaser__link {
  display: inline-flex; align-items: center; gap: 8px; padding-block: 6px;
  font: 500 15px/1.35 var(--ff-head); color: var(--novi-strong) !important; text-decoration: none !important;
  border-bottom: 1px solid rgba(var(--novi-gold-rgb), 0.45); transition: color 0.3s, border-color 0.3s;
}
.pf-kteaser__link:hover { color: var(--novi-gold-hi) !important; border-color: var(--novi-gold-hi); }
.pf-kteaser__link:focus-visible { outline: 2px solid var(--novi-gold-hi); outline-offset: 3px; }
[dir="rtl"] .pf-kteaser__link .nh-arrow { transform: scaleX(-1); }
@media (min-width: 992px) { .pf-kteaser__in { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); } }

/* landing proof strip: project names link to their case study */
.nl-proj__link { color: inherit !important; text-decoration: none !important; background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size 0.4s, color 0.3s; }
.nl-proj__link:hover { color: var(--novi-gold-hi) !important; background-size: 100% 1px; }
[dir="rtl"] .nl-proj__link { background-position: 100% 100%; }
.nl-proj__link:focus-visible { outline: 2px solid var(--novi-gold-hi); outline-offset: 3px; }

/* ------------------------------------------------------------ reduced motion */
@media (prefers-reduced-motion: reduce) {
  .pf-ccard__in, .pf-kcard__in, .pf-ccard__media img, .pf-kcard__media img, .pf-kteaser__link, .nl-proj__link { transition: none !important; }
  .pf-ccard__in:hover, .pf-kcard__in:hover { transform: none; }
}

/* status chip sits on photography: a solid dark ground keeps the gold legible in both themes (AA) */
.pf-ccard__status { background: rgba(10, 10, 10, 0.82) !important; color: #E2C192 !important; backdrop-filter: blur(6px); }

/* ---------------------------------------------------------------- project film */
.pf-film { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #000; border: 1px solid var(--novi-line); }
.pf-film__poster, .pf-film__poster picture, .pf-film__poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pf-film.is-on .pf-film__poster { opacity: 0; transition: opacity .5s; pointer-events: none; }
.pf-film__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #000; opacity: 0; }
.pf-film.is-on .pf-film__video { opacity: 1; }
.pf-film__btn { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; border: 0; cursor: pointer;
  color: #fff; background: radial-gradient(circle at 50% 50%, rgba(0,0,0,.18), rgba(0,0,0,.5)); }
.pf-film__icon { position: relative; width: 84px; height: 84px; border-radius: 50%; background: rgba(0,0,0,.45); border: 1px solid rgba(255,255,255,.7); transition: transform .5s var(--pf-ease, ease), background-color .3s, border-color .3s; }
.pf-film__icon::after { content: ""; position: absolute; left: 50%; top: 50%; margin: -12px 0 0 -7px; border-style: solid; border-width: 12px 0 12px 20px; border-color: transparent transparent transparent #fff; }
.pf-film__btn:hover .pf-film__icon, .pf-film__btn:focus-visible .pf-film__icon { background: var(--novi-gold); border-color: var(--novi-gold); transform: scale(1.08); }
.pf-film__label { font: 600 12.5px/1.2 var(--ff-head); letter-spacing: .14em; text-transform: uppercase; }
.novi-rtl .pf-film__label { letter-spacing: 0; font-size: 15px; }

/* ---------------------------------------------------------------- design → built slider */
.pf-ccompare__list { display: grid; gap: clamp(18px, 2vw, 28px); list-style: none; margin: 0; padding: 0; }
@media (min-width: 900px) { .pf-ccompare__list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.pf-compare { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--novi-line); background: #0c0c0c; --cmp: 50%; touch-action: pan-y; }
.pf-compare__layer, .pf-compare__layer picture, .pf-compare__layer img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pf-compare__layer.is-before { clip-path: inset(0 calc(100% - var(--cmp)) 0 0); }
.novi-rtl .pf-compare__layer.is-before { clip-path: inset(0 0 0 calc(100% - var(--cmp))); }
.pf-compare__handle { position: absolute; top: 0; bottom: 0; inset-inline-start: var(--cmp); width: 2px; margin-inline-start: -1px; background: var(--novi-gold-hi); pointer-events: none; box-shadow: 0 0 0 1px rgba(0,0,0,.2); }
.pf-compare__handle::after { content: "⟷"; position: absolute; top: 50%; left: 50%; width: 44px; height: 44px; margin: -22px 0 0 -22px; display: grid; place-items: center; border-radius: 50%;
  background: var(--novi-gold); color: #111; font-size: 18px; box-shadow: 0 6px 18px rgba(0,0,0,.35); }
.pf-compare__range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; z-index: 3; }
.novi-rtl .pf-compare__range { direction: rtl; }
.pf-compare__range:focus-visible + .pf-compare__handle, .pf-compare:focus-within .pf-compare__handle::after { outline: 2px solid #fff; outline-offset: 2px; }
.pf-compare__tag { position: absolute; top: 12px; z-index: 2; padding: 5px 10px; border-radius: 999px; font: 600 11px/1.2 var(--ff-head); letter-spacing: .12em; text-transform: uppercase; color: #fff; background: rgba(0,0,0,.6); pointer-events: none; }
.pf-compare__tag.is-before { inset-inline-start: 12px; }
.pf-compare__tag.is-after { inset-inline-end: 12px; background: rgba(var(--novi-gold-rgb), .85); color: #111; }
.novi-rtl .pf-compare__tag { letter-spacing: 0; font-size: 12.5px; }
.pf-ccompare__cap { margin: 10px 0 0 !important; font-size: 14.5px; color: var(--novi-muted); }
.pf-film.is-vertical { aspect-ratio: 9 / 16; max-height: 80vh; margin-inline: auto; }
.nn-films { display: grid; gap: clamp(20px, 2.4vw, 32px); list-style: none; margin: 0; padding: 0; }
@media (min-width: 900px) { .nn-films { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; } .nn-films > .is-vertical { grid-row: span 2; } }
.nn-films .pf-film.is-vertical { max-width: 420px; }
.nn-event { display: grid; gap: clamp(20px, 3vw, 48px); align-items: center; }
@media (min-width: 900px) { .nn-event { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); } }
.nn-event__img img { width: 100%; height: auto; border: 1px solid var(--novi-line); }
.nn-links { display: flex; flex-wrap: wrap; gap: 14px 28px; list-style: none; margin: 0; padding: 0; }