/* Fiche projet « étude de cas » (specs/project-template/case-study.md).
   Grille officielle 12 / 8 / 4 colonnes : chaque élément occupe un nombre entier de colonnes. */
.page-project {
  background: var(--color-background);
}
.pk {
  --pk-display: clamp(2.75rem, 1.6rem + 5.2vw, 6.5rem);
  --pk-idea-size: clamp(2.5rem, 1.4rem + 5vw, 6rem);
  --pk-chapter-size: clamp(1.75rem, 1.2rem + 2.2vw, 3rem);
  --pk-count-size: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  --pk-meta-size: 0.8125rem;
  --pk-detail-size: 0.9375rem;
  --pk-media-gap: var(--size-8);
  --pk-chapter-space: clamp(3.5rem, 2rem + 6vw, 7.5rem);
  --pk-section-space: clamp(3.5rem, 2rem + 6vw, 7.5rem);
  color: var(--color-text);
  font-family: var(--font-body);
}
.pk-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--layout-max);
  margin-inline: auto;
  padding-inline: var(--layout-margin);
}
.pk-grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  column-gap: var(--grid-gap);
}
.pk-wrap.pk-grid > * {
  min-width: 0;
}

/* Retour */
.pk-top {
  padding-top: var(--size-24);
}
.project-back {
  --jitter-arrow-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: var(--size-12);
  color: var(--color-text);
  font: 400 var(--pk-meta-size) / 1.4 var(--font-body);
  text-decoration: none;
}
.project-back:hover {
  opacity: 0.65;
}
.project-back:focus-visible,
.pk-related-all:focus-visible,
.pk-card:focus-visible {
  outline: var(--rule-width) solid currentColor;
  outline-offset: 5px;
}

/* Ouverture : nom du client en petit, accroche en très grand, chapeau */
.pk-open {
  padding-block: clamp(2rem, 1rem + 4vw, 5.5rem) clamp(1.5rem, 1rem + 2vw, 3rem);
}
.pk-open > * {
  grid-column: 1 / -1;
}
.project-refused {
  margin: 0 0 var(--size-12);
  color: var(--color-muted);
  font: 400 var(--pk-meta-size) / 1.3 var(--font-body);
}
.pk-title {
  grid-column: 1 / span 10;
  margin: 0;
  font-weight: 500;
}
.pk-client {
  display: block;
  margin-bottom: var(--size-12);
  font: 500 var(--type-small) / 1.3 var(--font-body);
  letter-spacing: 0.01em;
}
.pk-hook,
.pk-title.is-name-only .pk-client {
  display: block;
  margin: 0;
  font: 500 var(--pk-display) / 0.95 var(--font-heading);
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.pk-lead {
  grid-column: 1 / span 7;
  margin: clamp(1.25rem, 0.8rem + 1.6vw, 2.25rem) 0 0;
  font: 400 var(--type-lead) / var(--leading-lead) var(--font-body);
  text-wrap: pretty;
}

/* Grand visuel d'ouverture */
.pk-hero {
  margin: 0;
  background: var(--color-surface);
}
.pk-hero img {
  display: block;
  width: 100%;
  height: auto;
}
/* Visuel vertical : il tient dans l'écran, entier, sur le fond de surface. */
.pk-hero.is-portrait img {
  max-height: 88svh;
  object-fit: contain;
}

/* Fiche */
.pk-facts {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  gap: var(--size-24) var(--grid-gap);
  margin: clamp(1.5rem, 1rem + 1.5vw, 2.5rem) 0 0;
  padding-top: var(--size-24);
  border-top: var(--rule-subtle);
}
.pk-fact {
  grid-column: span 3;
  min-width: 0;
}
.pk-fact.is-wide {
  grid-column: span 6;
}
.pk-facts dt,
.pk-credits dt {
  margin: 0 0 6px;
  color: var(--color-muted);
  font: 400 var(--pk-meta-size) / 1.3 var(--font-body);
}
.pk-facts dd {
  margin: 0;
  font: 500 var(--pk-detail-size) / 1.45 var(--font-body);
  text-wrap: pretty;
}
.pk-line {
  display: block;
}

/* Récit : chapitre = titre 5 colonnes à gauche, texte 5 colonnes à droite */
.pk-chapter {
  row-gap: var(--size-24);
  padding-block: var(--pk-chapter-space) clamp(1.75rem, 1rem + 2.5vw, 3.5rem);
}
.pk-chapter-title {
  grid-column: 1 / span 5;
  margin: 0;
  font: 400 var(--pk-chapter-size) / 1.04 var(--font-heading);
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.pk-chapter .pk-text {
  grid-column: 7 / span 5;
}
.pk-text p,
.pk-text li {
  margin: 0 0 1em;
  color: var(--color-muted);
  font: 400 var(--type-body) / var(--leading-body) var(--font-body);
  text-wrap: pretty;
}
.pk-text > p:first-child {
  color: var(--color-text);
  font-size: var(--type-lead);
  line-height: var(--leading-lead);
}
.pk-text > :last-child {
  margin-bottom: 0;
}
.pk-text a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.16em;
}
.pk-text ul,
.pk-text ol {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

/* L'idée, en grand, aux couleurs du projet (fond et encre saisis dans la fiche) */
.pk-idea {
  margin-top: clamp(1rem, 0.5rem + 2vw, 2.5rem);
  margin-bottom: var(--pk-media-gap);
  padding-block: clamp(3.5rem, 2rem + 6vw, 8.75rem);
  background: var(--pk-idea-bg, var(--color-text));
  color: var(--pk-idea-ink, var(--color-background));
}
.pk-idea-kick,
.pk-idea-line {
  grid-column: 1 / span 10;
}
.pk-idea-kick {
  margin: 0 0 var(--size-16);
  font: 500 var(--type-small) / 1.3 var(--font-body);
}
.pk-idea-line {
  margin: 0;
  color: var(--pk-idea-line, inherit);
  font: 500 var(--pk-idea-size) / 0.95 var(--font-heading);
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.pk-idea-text {
  grid-column: 1 / span 6;
  margin-top: clamp(1.5rem, 1rem + 1.5vw, 2.5rem);
}
.pk-idea-text p {
  margin: 0 0 1em;
  font: 400 var(--type-lead) / var(--leading-lead) var(--font-body);
  text-wrap: pretty;
}
.pk-idea-text p:last-child {
  margin-bottom: 0;
}

/* Rangées d'images : pleine largeur, puis paires 6/6 ou 8/4 */
.pk-media-run {
  display: grid;
  gap: var(--pk-media-gap);
}
.pk-row {
  column-gap: var(--pk-media-gap);
  align-items: stretch;
}
.pk-cell {
  grid-column: 1 / -1;
  min-width: 0;
  background: var(--color-surface);
}
.pk-cell.is-half { grid-column: span 6; }
.pk-cell.is-wide { grid-column: span 8; }
.pk-cell.is-narrow { grid-column: span 4; }
.pk-cell.is-mid { grid-column: 3 / span 8; background: none; }
.pk-cell.is-portrait { grid-column: 4 / span 6; background: none; }
.pk-cell .project-media {
  height: 100%;
}
.pk-row:has(.is-half, .is-wide, .is-narrow) .project-zoom,
.pk-row:has(.is-half, .is-wide, .is-narrow) .project-media img {
  height: 100%;
}
.pk-row:has(.is-half, .is-wide, .is-narrow) .project-media img {
  object-fit: cover;
}

/* Ce qu'on a livré */
.pk-delivered {
  padding-block: var(--pk-section-space);
}
.pk-section-title {
  margin: 0 0 clamp(1.75rem, 1rem + 2vw, 3rem);
  font: 400 var(--pk-chapter-size) / 1.04 var(--font-heading);
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.pk-delivered-list {
  row-gap: clamp(1.75rem, 1.2rem + 1.2vw, 2.25rem);
  margin: 0;
  padding: 0;
  list-style: none;
}
.pk-delivered-list li {
  grid-column: span 4;
  padding-top: var(--size-20);
  border-top: var(--rule-strong);
}
.pk-count {
  display: block;
  font: 500 var(--pk-count-size) / 1 var(--font-heading);
  letter-spacing: -0.04em;
}
.pk-count-label {
  display: block;
  max-width: 28ch;
  margin-top: var(--size-12);
  color: var(--color-muted);
  font: 400 var(--pk-detail-size) / 1.45 var(--font-body);
  text-wrap: pretty;
}

/* Citation facultative */
.pk-quote {
  padding-bottom: var(--pk-section-space);
}
.pk-quote blockquote,
.pk-quote-author {
  grid-column: 3 / span 8;
}
.pk-quote blockquote {
  margin: 0;
}
.pk-quote blockquote p {
  margin: 0;
  font: 400 clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem) / 1.2 var(--font-heading);
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.pk-quote-author {
  margin: var(--size-16) 0 0;
  color: var(--color-muted);
  font: 400 var(--pk-detail-size) / 1.4 var(--font-body);
}

/* Crédits */
.pk-credits {
  row-gap: var(--size-16);
  padding-block: var(--size-24) clamp(3rem, 2rem + 3vw, 5rem);
  border-top: var(--rule-subtle);
  background-clip: content-box;
}
.pk-credits h2 {
  grid-column: 1 / span 3;
  margin: 0;
  font: 500 var(--pk-detail-size) / 1.4 var(--font-body);
}
.pk-credits dl {
  grid-column: 4 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--size-16) var(--grid-gap);
  margin: 0;
}
.pk-credits dd {
  margin: 0;
  font: 400 var(--pk-detail-size) / 1.4 var(--font-body);
}

/* Projets proches */
.pk-related {
  padding-block: clamp(2.5rem, 1.5rem + 3vw, 4.5rem) clamp(3.5rem, 2rem + 4vw, 6.5rem);
}
.pk-related-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--size-8) var(--size-24);
  margin-bottom: var(--size-24);
  padding-top: var(--size-24);
  border-top: var(--rule-strong);
}
.pk-related-head h2 {
  margin: 0;
  font: 400 clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem) / 1.1 var(--font-heading);
  letter-spacing: -0.025em;
}
.pk-related-all {
  --jitter-arrow-size: 18px;
  display: inline-flex;
  align-items: center;
  gap: var(--size-12);
  color: var(--color-text);
  font: 500 var(--pk-detail-size) / 1.4 var(--font-body);
  text-decoration: none;
}
.pk-cards {
  row-gap: var(--size-36);
}
.pk-card {
  grid-column: span 4;
  display: block;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}
.pk-card-image {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface);
}
.pk-card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--motion-swap);
}
.pk-card:hover .pk-card-image img {
  transform: scale(1.03);
}
.pk-card-tags,
.pk-card-name,
.pk-card-line {
  display: block;
}
.pk-card-tags {
  margin: 14px 0 6px;
  color: var(--color-muted);
  font: 400 var(--pk-meta-size) / 1.3 var(--font-body);
}
.pk-card-name {
  font: 500 1.25rem / 1.2 var(--font-heading);
  letter-spacing: -0.02em;
}
.pk-card-line {
  margin-top: 6px;
  color: var(--color-muted);
  font: 400 var(--pk-detail-size) / 1.45 var(--font-body);
  text-wrap: pretty;
}

/* Tablette : 8 colonnes */
@media (max-width: 61.9375em) {
  .pk-title { grid-column: 1 / -1; }
  .pk-fact { grid-column: span 4; }
  .pk-fact.is-wide { grid-column: 1 / -1; order: 1; }
  .pk-chapter-title { grid-column: 1 / span 7; }
  .pk-chapter .pk-text { grid-column: 1 / span 7; }
  .pk-idea-kick, .pk-idea-line { grid-column: 1 / -1; }
  .pk-idea-text { grid-column: 1 / span 6; }
  .pk-cell.is-half { grid-column: span 4; }
  .pk-cell.is-wide { grid-column: span 5; }
  .pk-cell.is-narrow { grid-column: span 3; }
  .pk-cell.is-mid { grid-column: 2 / span 6; }
  .pk-cell.is-portrait { grid-column: 3 / span 4; }
  .pk-delivered-list li { grid-column: span 4; }
  .pk-quote blockquote, .pk-quote-author { grid-column: 1 / span 7; }
  .pk-credits h2, .pk-credits dl { grid-column: 1 / -1; }
  .pk-card { grid-column: span 4; }
}
/* Smartphone : 4 colonnes */
@media (max-width: 29.9375em) {
  .pk-lead, .pk-chapter-title, .pk-chapter .pk-text, .pk-idea-text,
  .pk-quote blockquote, .pk-quote-author { grid-column: 1 / -1; }
  .pk-fact { grid-column: span 2; }
  .pk-cell.is-half, .pk-cell.is-wide, .pk-cell.is-narrow,
  .pk-cell.is-mid, .pk-cell.is-portrait { grid-column: 1 / -1; }
  .pk-row { row-gap: var(--pk-media-gap); }
  .pk-row:has(.is-half, .is-wide, .is-narrow) .project-zoom,
  .pk-row:has(.is-half, .is-wide, .is-narrow) .project-media img { height: auto; }
  .pk-delivered-list { column-gap: var(--size-16); }
  .pk-delivered-list li { grid-column: span 2; }
  .pk-credits dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pk-card { grid-column: 1 / -1; }
}

/* Médias : images, films et GIF (comportements conservés de la fiche précédente) */
.project-media {
  width: 100%;
  margin: 0;
}
.project-media img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  margin: 0;
}
.project-zoom {
  display: block;
  line-height: 0;
  cursor: zoom-in;
}
.project-zoom:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}
.project-film {
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 0;
  background: #111;
}
.project-film iframe,
.project-film video {
  display: block;
  border: 0;
  width: 100%;
  height: 100%;
}
.project-film iframe {
  position: absolute;
  inset: 0;
}
.project-film-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.project-play {
  position: absolute;
  inset: 0;
  width: 100%;
  border: 0;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  background: linear-gradient(transparent, #0005);
  color: #fff;
  font: 500 14px/1.3 var(--font-body);
  cursor: pointer;
}
.project-play-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 18px;
}
/* Film en lecture automatique : pas de lecteur, pas de clic ; l'affiche reste visible tant que le film charge. */
.project-film.is-ambient iframe {
  pointer-events: none;
}
.project-film.is-ambient .project-film-poster {
  opacity: 1;
  transition: opacity var(--motion-swap);
}
.project-film.is-ambient.is-playing .project-film-poster {
  opacity: 0;
}
.project-film.is-ambient video {
  object-fit: cover;
}
/* Boutons du film : pictos pleins blancs, sans pastille ; une ombre douce les garde lisibles sur image claire. */
.project-film-controls {
  position: absolute;
  inset: auto var(--film-control-inset) var(--film-control-inset);
  z-index: 2;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}
.project-film-button {
  display: grid;
  place-items: center;
  width: var(--film-control-size);
  height: var(--film-control-size);
  padding: 0;
  border: 0;
  background: none;
  color: var(--paper-white);
  cursor: pointer;
  pointer-events: auto;
  filter: drop-shadow(var(--film-control-shadow));
  transition: opacity var(--motion-quick);
}
.project-film-button:hover {
  opacity: 0.8;
}
.project-film-button:focus-visible {
  outline: var(--rule-width) solid var(--paper-white);
  outline-offset: 0;
}
.project-film-icon {
  grid-area: 1 / 1;
  width: var(--film-control-icon);
  height: var(--film-control-icon);
}
[data-film-play][aria-pressed="true"] .is-play,
[data-film-play][aria-pressed="false"] .is-pause,
[data-film-sound][aria-pressed="true"] .is-volume-off,
[data-film-sound][aria-pressed="false"] .is-volume-on {
  display: none;
}
.project-play:focus-visible {
  outline: 3px solid #fff;
  outline-offset: -6px;
}
.project-gif {
  position: relative;
}
.project-gif-toggle {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 8px 12px;
  border: 1px solid #fff8;
  background: #111c;
  color: #fff;
  border-radius: 999px;
  font: 400 12px/1.2 var(--font-body);
  cursor: pointer;
}
.project-gif-toggle:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}
.project-lightbox {
  max-width: none;
  width: 100vw;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 20px;
  border: 0;
  background: var(--color-background);
  color: var(--color-text);
}
.project-lightbox::backdrop {
  background: #111c;
}
.project-lightbox[open] {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.project-lightbox-head {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font: 400 12px/1.4 var(--font-body);
}
.project-lightbox-head button {
  cursor: pointer;
  background: none;
  border: 1px solid currentColor;
  padding: 10px 14px;
  border-radius: 0;
  color: inherit;
  font: inherit;
}
.project-lightbox-image {
  display: block;
  flex: 1;
  min-height: 0;
  width: 100%;
  object-fit: contain;
}
.project-lightbox-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}
html.has-project-lightbox {
  overflow: hidden;
}
.pk-related-all .jitter-arrow-wrap,
.project-back .jitter-arrow-wrap {
  flex: none;
}