/* ==========================================================================
   En-tête commun des pages secondaires
   (Projets, études de cas, Cinéma, Galerie, Recommandations)
   --------------------------------------------------------------------------
   Chargé APRÈS la feuille propre à chaque page : c'est la seule source de
   vérité pour l'en-tête. Même hauteur, même typo, mêmes positions partout,
   pour que le TW et les liens glissent sans saut d'une page à l'autre.
   ========================================================================== */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(6, 9, 12, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav .nav-inner {
  max-width: none;
  margin: 0;
  padding: 0 28px;
  height: 55px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.site-nav .nav-spacer-left,
.site-nav .nav-left-group {
  grid-column: 1;
  justify-self: start;
}

.site-nav .nav-title-group {
  grid-column: 2;
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
  line-height: 1.5;
  transition: opacity 0.2s ease;
}
.site-nav .nav-title-group:hover { opacity: 0.85; }
.site-nav .nav-title-group:hover .nav-author { color: #FFFFFF; }

.site-nav .nav-monogram {
  font-family: Didot, "Playfair Display", "Times New Roman", Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #FFFFFF;
}
.site-nav .nav-divider {
  color: rgba(255, 255, 255, 0.28);
  font-size: 13px;
}
.site-nav .nav-author {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8A8F98;
  transition: color 0.2s ease;
}

.site-nav .nav-pills-group {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav .nav-pill-link {
  display: inline-flex;
  align-items: center;
  font-family: "SF Mono", "Geist Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  padding: 4px 8px;
  background: transparent !important;
  border: none !important;
  border-radius: 0;
  box-shadow: none !important;
  transform: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}
.site-nav .nav-pill-link:hover,
.site-nav .nav-pill-link.active {
  color: #FFFFFF;
  font-weight: 500;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.6), 0 0 20px rgba(255, 255, 255, 0.25);
}
.site-nav .nav-pill-link:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.6);
  outline-offset: 2px;
}

/* Thème clair */
[data-theme="light"] .site-nav {
  background: rgba(244, 245, 247, 0.92);
  border-bottom-color: rgba(15, 23, 42, 0.09);
}
[data-theme="light"] .site-nav .nav-monogram,
[data-theme="light"] .site-nav .nav-author { color: #0F172A; }
[data-theme="light"] .site-nav .nav-divider { color: rgba(15, 23, 42, 0.3); }
[data-theme="light"] .site-nav .nav-pill-link { color: #64748B; }
[data-theme="light"] .site-nav .nav-pill-link:hover,
[data-theme="light"] .site-nav .nav-pill-link.active {
  color: #0F172A;
  text-shadow: 0 0 10px rgba(15, 23, 42, 0.18);
}

/* Mobile : signature en haut, liens sur une seule ligne en dessous */
@media (max-width: 768px) {
  .site-nav .nav-inner {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 12px 8px;
    gap: 6px;
  }
  .site-nav .nav-spacer-left { display: none; }
  .site-nav .nav-left-group { order: 3; }
  .site-nav .nav-title-group { order: 1; gap: 8px; }
  .site-nav .nav-monogram { font-size: 14px; }
  .site-nav .nav-author { font-size: 11.5px; }
  .site-nav .nav-pills-group {
    order: 2;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 2px;
  }
  .site-nav .nav-pill-link {
    padding: 4px 6px;
    font-size: 10px;
    letter-spacing: 0.05em;
  }
}