/* ============================================================
   projects.css — styles propres à la page Projets uniquement
   (sidebar de navigation interne + carrousels + galeries alternées)
   Toutes les couleurs passent par les variables de apple-style.css
   pour rester cohérentes en mode clair/sombre.
   ============================================================ */

#mainContent h1 {
  font-size: 2.6rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.6rem;
  letter-spacing: -0.02em;
}

@media (max-width: 640px) {
  #mainContent h1 { font-size: 2rem; }
}

/* ---------- Carrousel horizontal (avec indice de scroll visible) ---------- */
.carousel {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  padding: 0.5rem 0 1rem 0;
  margin-bottom: 1.8rem;
  scroll-snap-type: x mandatory;
  /* Fade visuel sur le bord droit : indique qu'il y a du contenu à scroller */
  mask-image: linear-gradient(to right, black calc(100% - 40px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, black calc(100% - 40px), transparent 100%);
}
.carousel-item {
  flex: 0 0 auto;
  width: 16rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.carousel-item img {
  width: 100%;
  height: 11rem;
  object-fit: contain;
  border-radius: 0.6rem;
}
.carousel-caption {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--graphite);
  text-align: center;
  margin-top: 0.6rem;
}

/* ---------- Galerie image+texte alternée (empilée) ---------- */
.alt-stack { display: flex; flex-direction: column; gap: 2rem; margin-bottom: 1.8rem; }
.alt-row { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; text-align: center; }
.alt-row img {
  width: 100%;
  max-height: 14rem;
  object-fit: contain;
  border-radius: 0.7rem;
}
.alt-row p { font-family: var(--font-mono); font-size: 0.82rem; color: var(--graphite); max-width: 28rem; }

@media (min-width: 768px) {
  .alt-row { flex-direction: row; text-align: left; }
  .alt-row--reverse { flex-direction: row-reverse; }
  .alt-row img { width: 50%; height: 13rem; }
  .alt-row p { width: 50%; }
  .alt-row--reverse p { text-align: right; }
}

/* ---------- Vidéo projet ---------- */
.project-video {
  width: 100%;
  max-width: 48rem;
  display: block;
  margin: 0 auto 1.5rem auto;
  border-radius: 0.6rem;
  border: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(var(--shadow-color), 0.08);
}

/* ---------- Sidebar de navigation entre projets ---------- */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(var(--shadow-color), 0.18);
  z-index: 60;
}
#sidebar-overlay.active { display: block; }

#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 290px;
  max-width: 90vw;
  background: var(--paper-raised);
  box-shadow: 0 8px 32px 0 rgba(var(--shadow-color), 0.18);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform .33s cubic-bezier(.41, 0, .2, 1);
  z-index: 70;
  padding: 2.1rem 1.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
}
#sidebar.open { transform: translateX(0); }
#sidebar h3 { font-family: var(--font-display); color: var(--ink); font-size: 1.11rem; font-weight: 600; margin-bottom: 1.2rem; }
#sidebar ul { margin: 0; padding: 0; }
#sidebar li { list-style: none; margin-bottom: .5rem; }
#sidebar a {
  display: block;
  color: var(--ink-soft);
  font-size: 1.02rem;
  font-weight: 500;
  border-radius: 10px;
  padding: 0.54em 1.1em;
  transition: background .15s, color .15s;
  text-decoration: none;
}
#sidebar a:hover, #sidebar a.active {
  background: var(--steel-soft);
  color: var(--signal);
}
#sidebar .sidebar-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: var(--graphite);
  cursor: pointer;
  z-index: 10;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#sidebar .sidebar-close svg { width: 20px; height: 20px; }
#sidebar .sidebar-close:hover { color: var(--signal); }

/* Bouton toggle de la sidebar : placé sous le header sticky, pas dessus,
   pour éviter toute collision visuelle avec le burger menu du header. */
#sidebarToggle {
  position: fixed;
  top: 5.5rem;
  left: 1.1rem;
  background: var(--paper-raised);
  border: 1px solid var(--border);
  color: var(--ink-soft);
  font-size: 1rem;
  border-radius: 13px;
  padding: 0.43em 0.87em;
  cursor: pointer;
  z-index: 40;
  font-weight: 500;
  box-shadow: 0 1px 7px 0 rgba(var(--shadow-color), 0.1);
  display: flex;
  align-items: center;
  gap: 0.6em;
}
#sidebarToggle svg { width: 1.1em; height: 1.1em; }
#sidebarToggle:hover {
  border-color: var(--signal);
  color: var(--signal);
}

@media (max-width: 700px) {
  #sidebar { width: 84vw; }
  #sidebarToggle { top: 4.5rem; left: 0.6rem; padding: 0.32em 0.7em; }
}