/* ══════════════════════════════════════════════════════════════
   QUATRE V2 — À PROPOS (maquette 22:782)
   Cover rouge + tagline, 4 expertises en orbes grand format.
   Le reste (intro, déclaration, logos, photos) vient d'expertise.css.
   ═════════════════════════════════════════════════════════════ */

/* ── Cover : rouge de marque, tagline en bas à gauche ── */
.hero--about {
  background-color: var(--brand);
  align-items: flex-end;
  justify-content: flex-start;
}

.about-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 26, 26, 0) 55%, rgba(26, 26, 26, 0.55) 100%);
}

.about-claim {
  position: relative;
  z-index: 2;
  width: min(var(--content-w), calc(100% - 2 * var(--pad-x)));
  margin-inline: auto;
  padding-bottom: clamp(40px, 12vh, 164px);
  color: var(--white);
}

.about-tagline {
  font-size: clamp(40px, 4.45vw, 77px);
  line-height: 1;
  max-width: 16ch;
}

.about-body {
  background: linear-gradient(180deg, rgba(26, 26, 26, 0) 0%, var(--night) 12%);
  color: var(--white);
  padding-bottom: var(--section-gap);
}

/* ── 4 expertises : 2 rangées asymétriques (549.6 / 832.4 → inverse),
   séparées par LA gouttière du design system (comme toutes les grilles) ── */
.about-grid {
  display: flex;
  flex-direction: column;
  gap: var(--gutter);
}

.about-row {
  display: flex;
  gap: var(--gutter);
}

.about-card {
  position: relative;
  display: block;
  width: calc(39.3% - var(--gutter) / 2);
  aspect-ratio: 550 / 608;
  border-radius: var(--radius-tile);
  overflow: hidden;
  background-color: #0c0b0b;
  transform: translateZ(0);
  isolation: isolate;
  transition: transform 0.6s var(--ease-out);
}

.about-card--wide {
  width: calc(60.7% - var(--gutter) / 2);
  aspect-ratio: 832 / 608;
}

/* Bento « autres expertises » (maquette 35:13707) : 1re tile pleine largeur */
.about-card--full {
  width: 100%;
  aspect-ratio: 1398 / 608;
}

.about-card canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: saturate(1.04);
}

/* Contenu (maquette 22:830) : eyebrow + titre en bas à gauche, pastille
   chevrons blanche en bas à droite (48). Padding aligné sur la gouttière. */
.about-card-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(24px, 2.78vw, 48px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.32) 100%);
}

.about-card-text {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.about-card-eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.about-card-title {
  font-size: clamp(24px, 2.3vw, 40px);
  line-height: 1.15;
  text-align: left;
}

.about-card-expand {
  flex: none;
  width: clamp(40px, 2.78vw, 48px);
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.14);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.4s ease, color 0.4s ease;
}

.about-card:hover .about-card-expand,
.about-card:focus-visible .about-card-expand {
  background-color: var(--white);
  color: var(--black);
}

.about-card-expand .q-ex {
  width: 48%;
  height: 48%;
}

@media (max-width: 860px) {
  .about-row {
    flex-direction: column;
  }

  .about-card,
  .about-card--wide,
  .about-card--full {
    width: 100%;
    aspect-ratio: 4 / 3;
  }
}