/* ─── PAGE HEADER ───────────────────────────────────── */
.page-header {
  padding: calc(var(--nav-h) + 56px) 48px 56px;
  border-bottom: 1px solid var(--gris-clair);
  overflow: hidden;
}
.page-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(56px, 9vw, 130px);
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  word-break: break-word;
}
.page-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris-mid);
}

/* ─── WORK SUB-NAV ──────────────────────────────────── */
.work-subnav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--gris-clair);
  padding: 0 48px;
  position: sticky;
  top: var(--nav-h);
  background: var(--blanc);
  z-index: 10;
}
.subnav-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gris-mid);
  padding: 18px 24px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  margin-bottom: -1px;
}
.subnav-link:hover, .subnav-link.active {
  color: var(--noir);
  border-bottom-color: var(--rouge);
}

/* ─── WORK SECTIONS ─────────────────────────────────── */
.work-section {
  padding: 80px 48px;
  border-bottom: 1px solid var(--gris-clair);
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 64px;
}
.label-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--rouge);
}
.label-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gris-mid);
}

/* ─── VIDEO PROJECTS ────────────────────────────────── */
.video-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 96px;
  padding-bottom: 96px;
  border-bottom: 1px solid var(--gris-clair);
}
.video-project:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.video-project:nth-child(even) { direction: rtl; }
.video-project:nth-child(even) > * { direction: ltr; }

.vimeo-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: var(--noir);
}
.vimeo-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}
.placeholder-video { background: var(--noir); }
.placeholder-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245,243,239,0.2);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.project-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 36px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin-bottom: 16px;
  line-height: 1;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.project-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--gris-clair);
  color: var(--gris-mid);
}
.project-text {
  font-size: 14px;
  line-height: 1.8;
  color: #444;
  max-width: 480px;
}

/* ─── DESIGN PROJECTS ───────────────────────────────── */
.design-project {
  margin-bottom: 96px;
  padding-bottom: 96px;
  border-bottom: 1px solid var(--gris-clair);
}
.design-project:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.design-meta {
  margin-bottom: 40px;
  max-width: 600px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-grid.three-col { grid-template-columns: repeat(3, 1fr); }

.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gris-clair);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item.large { grid-column: span 2; }

.placeholder-img {
  background: var(--gris-clair);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gris-mid);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  cursor: none;
}

/* ─── COLLECTIF +33 ─────────────────────────────────── */
.collectif-section { background: var(--blanc); }

.collectif-header {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 64px;
}

.logo-placeholder {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 72px;
  color: var(--rouge);
  line-height: 1;
  letter-spacing: -0.02em;
}

.collectif-event {
  border-left: 3px solid var(--rouge);
  padding: 24px 32px;
  margin-bottom: 48px;
  background: rgba(217,78,0,0.03);
}
.event-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rouge);
  margin-bottom: 8px;
}
.collectif-event h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.collectif-event p {
  font-size: 13px;
  color: #555;
  line-height: 1.8;
  max-width: 560px;
}

.collectif-gallery { margin-bottom: 48px; }

.members-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris-mid);
  margin-bottom: 8px;
}
.members-list {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--noir);
}

/* ─── RESPONSIVE ────────────────────────────────────── */
@media (max-width: 900px) {
  .video-project { grid-template-columns: 1fr; gap: 32px; }
  .video-project:nth-child(even) { direction: ltr; }
  .collectif-header { grid-template-columns: 1fr; gap: 24px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.large { grid-column: span 2; }
}
@media (max-width: 768px) {
  .page-header { padding: 120px 24px 48px; }
  .work-section { padding: 48px 24px; }
  .work-subnav { padding: 0 24px; }
  .subnav-link { padding: 16px 12px; }
}