/* ============================================================
   Ce qui Saigne — timeline
   Palette froide (papier de radiographie) + veines carmin
   ============================================================ */

:root{
  --paper:      #E8E9EB;
  --paper-lift: #F6F7F8;
  --ink:        #101215;
  --ink-soft:   #5B6169;
  --vein:       #D50047;
  --vein-deep:  #6E0122;
  --edge:       rgba(16,18,21,.10);

  --shadow-sm: 0 1px 2px rgba(16,18,21,.06), 0 4px 14px rgba(16,18,21,.07);
  --shadow-md: 0 2px 4px rgba(16,18,21,.08), 0 14px 34px rgba(16,18,21,.12);

  --node-w: 188px;
  --gap-v: 118px;   /* espace vertical entre deux noeuds = longueur de veine */
  --gap-h: 34px;

  /* mêmes familles que les pages projet (Mindbomb) */
  --display: 'Bebas Neue', 'Helvetica Neue', Impact, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* grain très léger, donne du corps au fond plat */
body::before{
  content:"";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
}

img{ display: block; max-width: 100%; }
button{ font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a{ color: inherit; }

:focus-visible{
  outline: 2px solid var(--vein);
  outline-offset: 3px;
  border-radius: 4px;
}

.u-label{
  font-family: var(--display);
  font-size: .86rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------------- Header ---------------- */

.site-head{
  position: relative;
  z-index: 3;
  max-width: 1180px;
  margin: 0 auto;
  padding: 76px 24px 8px;
  text-align: center;
}

.site-head__mark{
  font-family: var(--display);
  font-size: clamp(3.2rem, 9.5vw, 6.6rem);
  line-height: .9;
  display: flex;
  justify-content: center;
  letter-spacing: .01em;
  text-transform: uppercase;
  margin: 0;
}
.site-head__mark img{
width: 60%;
max-width: 400px;
}

.site-head__lede{
  max-width: 46ch;
  margin: 20px auto 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  text-wrap: pretty;
}

.now-btn{
  margin-top: 32px;
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--ink);
  border-radius: 999px;
  padding: 13px 26px 11px;
  box-shadow: var(--shadow-sm);
  transition: background .2s ease, transform .2s ease;
}
.now-btn:hover{
  background: var(--vein);
  transform: translateY(-2px);
}

/* ---------------- Réseau de veines (SVG) ---------------- */

#veins{
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: visible;
}

#veins path{
  fill: none;
  stroke: var(--vein);
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------------- Trame ---------------- */

.tl{
  position: relative;
  z-index: 2;
  padding: 64px 24px 0;
}

.strand{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-v);
}

/* ---------------- Noeud / projet ---------------- */

.node{ width: var(--node-w); }

.node__card{
  display: block;
  width: 100%;
  text-align: left;
  text-decoration: none;
  background: var(--paper-lift);
  border: 1px solid var(--edge);
  border-radius: 16px;
  padding: 10px 10px 4px;
  box-shadow: var(--shadow-sm);
  transition: transform .28s cubic-bezier(.2,.8,.25,1), box-shadow .28s ease, border-color .28s ease;
}

.node__card:hover,
.node__card:focus-visible{
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(213,0,71,.35);
}

/* carte sans lien ni popup (à venir sans contenu) : pas d'affordance cliquable */
.node__card--static{
  cursor: default;
  width: 100%;
  text-align: left;
}
.node__card--static:hover,
.node__card--static:focus-visible{
  transform: none;
  box-shadow: var(--shadow-sm);
  border-color: var(--edge);
}

.node__thumb{
  display: block;
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(16,18,21,.05) 0 6px, transparent 6px 12px),
    #DEDFE2;
}

.node__thumb__ongoing{
  display: block;
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  background:
repeating-linear-gradient(135deg, rgba(255,255,255,.08) 0 6px, transparent 6px 12px), #D50047

}

.node__thumb__ongoing[data-empty]::after{
  content: "En cours";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--display);
  font-size: .9rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: white;
}

.node__thumb img{
  width: 100%; height: 100%;
  object-fit: cover;
}
.node__thumb[data-empty]::after{
  content: "À venir";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--display);
  font-size: .9rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* projet en cours / à venir mais déjà illustré : l'image prime,
   un petit badge rappelle juste le statut */
.node__thumb--tagged{ position: relative; }
.node__thumb__badge{
  position: absolute;
  top: 8px; left: 8px;
  font-family: var(--display);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 9px 3px;
  border-radius: 999px;
  color: #fff;
  background: rgba(16,18,21,.72);
  backdrop-filter: blur(2px);
}
.node__thumb__badge--ongoing{ background: rgba(213,0,71,.85); }

.node__meta{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 4px 9px;
}

.node__title{
  font-size: .93rem;
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.25;
}

.node__year{
  font-family: var(--display);
  font-size: .95rem;
  letter-spacing: .06em;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* noeud pivot : Monolithe */
.node.is-pivot .node__card{
  border-color: rgba(213,0,71,.45);
  box-shadow: 0 0 0 1px rgba(213,0,71,.12), var(--shadow-md);
}

/* ---------------- Bifurcation ---------------- */

.split{
  position: relative;
  z-index: 2;
  width: min(430px, 100%);
  text-align: center;
  background: var(--paper-lift);
  border: 1px solid var(--edge);
  border-radius: 18px;
  padding: 20px 24px 22px;
  box-shadow: var(--shadow-sm);
}

.split__label{ display: block; }

.split__note{
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: .95rem;
}

.split__picker{
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 16px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: var(--paper-lift);
  box-shadow: var(--shadow-sm);
}
.split__picker select{
  font-family: var(--body);
  font-size: inherit;
  font-size: .9rem;
  border: 0;
  background: none;
  padding: 4px 6px;
  cursor: pointer;
}

/* ---------------- Branches ---------------- */

.branches{
  position: relative;
  z-index: 2;
  margin: 0 auto;
  padding: calc(var(--gap-v) * 1.5) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: var(--gap-h);
}

.branch{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-v);
}

.branch__head{
  width: var(--node-w);
  background: var(--ink);
  color: #fff;
  border-radius: 16px;
  padding: 16px 14px 14px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.branch__eyebrow{
  font-family: var(--display);
  font-size: .8rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

.branch__name{
  font-family: var(--display);
  font-size: 1.62rem;
  line-height: 1;
  letter-spacing: .02em;
  text-transform: uppercase;
  margin: 8px 0 12px;
}

.branch__more{
  font-family: var(--display);
  font-size: .88rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  padding: 7px 13px;
  transition: background .2s ease, border-color .2s ease;
}
.branch__more:hover{
  background: var(--vein);
  border-color: var(--vein);
}

/* la branche marquée "highlight" sort du lot (ex. True Ending :
   c'est le réel, pas la fiction) — pilotable depuis l'admin */
.branch.is-highlight .branch__head{
  background: var(--vein);
}
.branch.is-highlight .branch__eyebrow{ color: rgba(255,255,255,.7); }

/* ---------------- Révélation au scroll ---------------- */

/* pendant la mesure des ancrages, aucune carte n'est déplacée */
.veins-measuring .reveal,
.veins-measuring .node__card,
.veins-measuring .containerr{
  transform: none !important;
  transition: none !important;
}

/* fondu seul : aucun déplacement, donc la veine reste soudée à la carte
   même si l'apparition est encore en cours pendant un scroll rapide */
.reveal{
  opacity: 0;
  transition: opacity .5s ease;
}
.reveal.is-in{ opacity: 1; }

/* ---------------- Popup ---------------- */

body.noScroll{ overflow: hidden; }

.popupOverlay{
  position: fixed; inset: 0;
  z-index: 9999;
  display: none;
  align-items: center; justify-content: center;
  padding: 24px;
  background: rgba(16,18,21,.62);
  backdrop-filter: blur(3px);
}
.popupOverlay.isOpen{ display: flex; }

.popup{
  width: min(680px, 100%);
  max-height: 84vh;
  overflow: auto;
  position: relative;
  background: var(--paper-lift);
  border-radius: 18px;
  padding: 34px 32px 26px;
  box-shadow: 0 30px 90px rgba(16,18,21,.4);
}

#popupTitle{
  font-family: var(--display);
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: .01em;
  text-transform: uppercase;
  margin: 0 0 10px;
  max-width: calc(100% - 58px);
}

.popupSubtitle{
  color: var(--ink-soft);
  font-size: .96rem;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--edge);
}

.popupBody{ padding-top: 18px; }
.popupBody p{ line-height: 1.65; }

#popupImg{
  display: none;
  width: 100%; height: auto;
  border-radius: 12px;
  margin: 18px 0 0;
}

.popupClose{
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: none;
  background: #fff;
  background-color: #d50047;
    color: #ffffff;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s;
  flex-shrink: 0;
}
.popupClose:hover { background: #9c0134;  transition: 0.2s; scale: 1.1;}


/* ---------------- Footer ---------------- */

.site-footer{
  position: relative;
  z-index: 2;
  margin-top: 130px;
  border-top: 1px solid var(--edge);
  background: rgba(255,255,255,.4);
}
.footer-inner{
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-logo{
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 1.35rem;
  margin: 0 0 10px;
}
.footer-left p{ margin: 0 0 4px; color: var(--ink-soft); font-size: .84rem; }
.linkcqs{ color: var(--vein); text-decoration: none; font-size: .84rem; }
.linkcqs:hover{ text-decoration: underline; }
.footer-socials{ display: flex; gap: 14px; }
.footer-socials img{ width: 20px; height: 20px; }

/* ---------------- Responsive ---------------- */

@media (min-width: 1101px){
  .split__picker{ display: none; }
}

@media (max-width: 1100px){
  :root{ --gap-v: 96px; --node-w: 176px; }
  .branches{ gap: 0; padding-top: var(--gap-v); }
  .branch{ display: none; }
  .branch.isActive{ display: flex; }
}

@media (max-width: 620px){
  :root{ --gap-v: 84px; --node-w: 164px; }
  .site-head{ padding-top: 52px; }
  .popup{ padding: 28px 20px 20px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal{ opacity: 1; transform: none; transition: none; }
  .node__card{ transition: none; }
}