/* ============================================================
   COLLECTION.CSS — « Planche contact »
   Partagé par la page Collection et les mosaïques de série.
   ============================================================ */

:root {
  --paper:      var(--bg);
  --paper-2:    var(--frame);
  --paper-rule: var(--border);
  --paper-ink:  var(--ink);
  --paper-mute: var(--ink-3);
}

body {
  background: var(--paper);
  color: var(--paper-ink);
}

/* ─── Navigation papier ─────────────────────────────────── */
.nav--paper {
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom-color: var(--paper-rule);
}
.nav--paper .nav__logo { color: var(--paper-ink); }
.nav--paper .nav__link { color: var(--paper-mute); }
.nav--paper .nav__link:hover,
.nav--paper .nav__link.active { color: var(--paper-ink); }

/* ─── En-tête ───────────────────────────────────────────── */
.c-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 4.5rem) 2.5rem 2.5rem;
}

.c-header__eyebrow {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 1rem;
}

.c-header__title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.c-header__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--paper-rule);
}

.c-header__count {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* ─── Filtres : mots simples, le mot actif est souligné ─── */
.c-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0;
}

.c-filter {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.c-filters__sep {
  margin: 0 0.9rem;
  color: var(--paper-mute);
}

.c-filter:hover { color: var(--paper-ink); }
.c-filter.active { color: var(--paper-ink); border-bottom-color: var(--paper-ink); }
.c-filter:focus-visible { outline: 1px solid var(--paper-ink); outline-offset: 3px; }

/* ─── Planche contact ───────────────────────────────────── */
.c-sheet {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2.5rem 5rem;
}

.c-sheet__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.5rem 2.5rem;
}

.c-vehicle__link {
  display: flex;
  flex-direction: column;
  color: inherit;
}

/* Le tirage : photo cernée d'un bord blanc, comme sur une planche. */
.c-vehicle__print {
  display: block;
  padding: 10px;
  background: var(--paper-2);
  box-shadow: 0 1px 2px var(--shadow-soft), 0 8px 24px var(--shadow-soft);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

.c-vehicle__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.92);
  transition: filter 0.4s;
}

.c-vehicle__link:hover .c-vehicle__print {
  transform: translateY(-4px);
  box-shadow: 0 2px 4px var(--shadow-soft), 0 16px 36px var(--shadow-strong);
}
.c-vehicle__link:hover .c-vehicle__img { filter: saturate(1); }

.c-vehicle__frame {
  margin-top: 1.1rem;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--paper-mute);
}

.c-vehicle__make {
  margin-top: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

.c-vehicle__name {
  margin-top: 0.2rem;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.15;
}

.c-vehicle__meta {
  margin-top: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--paper-mute);
}

.c-vehicle__cta {
  margin-top: 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-ink);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.3s, transform 0.3s;
}

.c-vehicle__link:hover .c-vehicle__cta,
.c-vehicle__link:focus-visible .c-vehicle__cta { opacity: 1; transform: none; }

@media (hover: none) {
  .c-vehicle__cta { opacity: 1; transform: none; }
}

/* ─── Pied de page ──────────────────────────────────────── */
.c-page-footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 2.5rem;
  border-top: 1px solid var(--paper-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.c-page-footer__logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--paper-ink);
}

.c-page-footer__links { display: flex; gap: 1.75rem; flex-wrap: wrap; }

.c-page-footer__link,
.c-page-footer__copy {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-mute);
  transition: color 0.2s;
}

.c-page-footer__link:hover { color: var(--paper-ink); }

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1000px) {
  .c-sheet__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .c-header { padding: calc(var(--nav-h) + 3rem) 1.25rem 2rem; }
  .c-sheet { padding: 0.5rem 1.25rem 3.5rem; }
  .c-sheet__grid { grid-template-columns: 1fr; gap: 2.75rem; }
  .c-page-footer { padding: 1.5rem 1.25rem; }
}