/* =========================================================
   Projets / Réalisations — refonte 2026 (CGT Alkor)
   Scroll horizontal scrub (desktop) + empilement mobile.
   ========================================================= */

.project-crumb-wrap--mobile {
  display: block;
  padding-top: clamp(18px, 3vw, 28px);
}
.project-crumb--desktop {
  display: none;
  margin-bottom: 0;
  flex-shrink: 0;
}
.project-crumb {
  margin-bottom: 0;
}

/* ---------- Catalogue horizontal (desktop) ---------- */
.project-scroll {
  display: none;
  position: relative;
  margin-top: 0;
}
.project-scroll-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg-deep);
  isolation: isolate;
}
.project-scroll-sticky::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.06);
  z-index: 3;
  pointer-events: none;
}
.project-scroll-progress {
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  z-index: 4;
  pointer-events: none;
  will-change: transform;
}
.project-scroll-track {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  height: 100%;
  width: max-content;
  will-change: transform;
  gap: clamp(10px, 1.2vw, 18px);
  padding-inline: clamp(4px, 0.6vw, 12px);
  box-sizing: border-box;
}
.project-scroll-shell {
  display: flex;
  align-items: stretch;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}
.project-scroll-viewport {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  overflow: hidden;
}
.project-scroll-intro,
.project-scroll-outro {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: clamp(28px, 4vw, 48px);
  border-inline-end: 1px solid rgba(97, 177, 188, 0.22);
  background:
    radial-gradient(120% 80% at 0% 100%, rgba(14, 58, 102, 0.28), transparent 58%),
    rgba(4, 23, 48, 0.96);
}
.project-scroll-intro {
  flex: 0 0 clamp(360px, 40vw, 520px);
  width: clamp(360px, 40vw, 520px);
  max-width: clamp(360px, 40vw, 520px);
  min-width: 0;
  max-height: 100%;
  justify-content: flex-start;
  gap: clamp(12px, 2vw, 18px);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: 2;
  position: relative;
  box-shadow: 12px 0 32px rgba(4, 23, 48, 0.45);
  scrollbar-width: thin;
  scrollbar-color: rgba(97, 177, 188, 0.35) transparent;
}
.project-scroll-intro::-webkit-scrollbar {
  width: 5px;
}
.project-scroll-intro::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(97, 177, 188, 0.35);
}
.project-scroll-outro {
  width: clamp(240px, 24vw, 340px);
  min-height: 100%;
  justify-content: center;
  border-inline-end: 0;
}
.project-scroll-title,
.project-mobile-title {
  font-size: clamp(34px, 3.6vw, 52px);
  line-height: 1.02;
  margin: 0;
  max-width: none;
  text-wrap: balance;
}
.project-scroll-title span,
.project-scroll-title em {
  display: inline;
}
.project-scroll-title em,
.project-mobile-title em {
  font-style: italic;
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.project-scroll-copy {
  display: grid;
  gap: 14px;
  margin-top: 0;
  max-width: 100%;
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}
.project-scroll-copy p { margin: 0; }
.project-scroll-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 0;
  flex-shrink: 0;
}
.project-scroll-actions .btn {
  justify-content: center;
}
.project-scroll-next-inline {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid rgba(97, 177, 188, 0.22);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  flex-shrink: 0;
  transition: color 0.3s var(--ease-out), transform 0.45s var(--ease-luxe);
}
.project-scroll-next-inline:hover {
  color: var(--accent-soft);
  transform: translateX(4px);
}
.project-scroll-next-inline span {
  max-width: 22ch;
  line-height: 1.35;
}
.project-scroll-slide {
  flex: 0 0 auto;
  margin: 0;
  width: clamp(440px, 56vw, 860px);
  height: 100%;
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.5vh, 44px) 0;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-scroll-slide::after {
  content: "";
  position: absolute;
  inset: clamp(20px, 3.5vh, 44px) 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(4, 23, 48, 0.22) 0%, transparent 12%, transparent 88%, rgba(4, 23, 48, 0.14));
}
.project-scroll-slide img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}
.project-scroll-next-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 100%;
  text-align: center;
  color: var(--text);
  text-decoration: none;
}
.project-scroll-next-title {
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.05;
  margin: 0;
  max-width: 18ch;
}
.project-scroll-next-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--text);
  transition: transform 0.45s var(--ease-luxe), background 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}
.project-scroll-next-card:hover .project-scroll-next-arrow,
.project-mobile-next:hover svg {
  transform: translateX(6px);
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-on-accent);
}

/* ---------- Catalogue mobile ---------- */
.project-mobile {
  display: block;
  border-block: 1px solid var(--hairline);
}
.project-mobile-head,
.project-mobile-foot {
  padding: clamp(22px, 5vw, 28px) clamp(16px, 4vw, 24px);
}
.project-mobile-head .lede {
  margin-top: 14px;
  color: var(--text-2);
}
.project-mobile-slide {
  margin: 0;
}
.project-mobile-slide img {
  display: block;
  width: 100%;
  height: auto;
}
.project-mobile-slide--inset img {
  padding: 0 clamp(16px, 4vw, 24px) clamp(16px, 4vw, 24px);
}
.project-mobile-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text);
  text-decoration: none;
}
.project-mobile-next .display {
  font-size: clamp(24px, 6vw, 32px);
  line-height: 1.05;
  margin: 0;
  max-width: 12ch;
}

/* ---------- Sélecteur d'univers (3 projets) ---------- */
.project-switch {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(28px, 5vw, 44px);
  margin-bottom: clamp(8px, 2vw, 16px);
}
.project-switch-item {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 132px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--hairline);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.5s var(--ease-luxe), border-color 0.35s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.project-switch-item[data-reveal] { transition-delay: calc(var(--reveal-i, 0) * 0.08s); }
.project-switch-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.project-switch-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-luxe);
}
.project-switch-item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(4, 23, 48, 0.15) 0%, rgba(4, 23, 48, 0.82) 100%);
  transition: background 0.4s var(--ease-out);
}
.project-switch-meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.project-switch-index {
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  color: var(--accent-soft);
}
.project-switch-title {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.05;
  text-wrap: balance;
}
.project-switch-item:hover {
  transform: translateY(-4px);
  border-color: rgba(97, 177, 188, 0.4);
  box-shadow: var(--shadow-1);
}
.project-switch-item:hover .project-switch-media img { transform: scale(1.06); }
.project-switch-item.is-current {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(97, 177, 188, 0.4), var(--shadow-1);
}
.project-switch-item.is-current::after {
  background: linear-gradient(180deg, rgba(8, 44, 82, 0.2) 0%, rgba(4, 23, 48, 0.8) 100%);
}
.project-switch-item.is-current .project-switch-index { color: var(--accent); }
.project-switch-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .project-crumb-wrap--mobile { display: none; }
  .project-crumb--desktop { display: block; }
  .project-scroll { display: block; }
  .project-mobile { display: none; }
  .project-switch { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .project-switch-item { min-height: 168px; }
  .project-scroll-actions .btn { width: auto; }
}

@media (max-width: 759px) {
  .project-switch-item { min-height: 120px; }
  .project-scroll-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .project-scroll-track {
    transform: none !important;
  }
  .project-scroll {
    display: none;
  }
  .project-mobile {
    display: block;
  }
}