/* ==========================================================================
   PORTFOLIO SPATIAL — style.css
   Palette strictement noir / blanc / gris, une seule bascule de ton
   (la section Projets passe en clair). Signature : ciel étoilé animé,
   curseur "comète", trajectoire verticale pour le parcours.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  /* Fond nuit */
  --bg:            #050506;
  --bg-soft:       #0a0a0d;
  --bg-elevated:   #101014;

  /* Encre sur fond nuit */
  --ink:           #f4f3ef;
  --ink-dim:       #9c9ca3;
  --ink-faint:     #616167;
  --line:          rgba(244,243,239,0.14);
  --line-strong:   rgba(244,243,239,0.28);

  /* Fond "papier" — la section Projets */
  --paper:         #eceef0;
  --paper-elevated:#e2e4e7;
  --paper-ink:     #0b0b0d;
  --paper-ink-dim: #57585d;
  --paper-line:    rgba(11,11,13,0.14);
  --paper-line-strong: rgba(11,11,13,0.3);

  /* Typo */
  --font-display: 'Questrial', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Hind Guntur', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'Hind Guntur', 'Helvetica Neue', Arial, sans-serif;

  /* Rythme */
  --container: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 3px;
  --radius-sm: 2px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3,h4{ margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
p{ margin: 0; }
ul{ list-style: none; margin: 0; padding: 0; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
button{ font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
svg{ display: block; }

section{ position: relative; }
[id]{ scroll-margin-top: 84px; }

::selection{ background: var(--ink); color: var(--bg); }

/* Masque la page le temps d'appliquer la langue mémorisée (évite le
   clignotement anglais → français). Retiré par js/i18n.js. */
html[data-lang-loading] body{ visibility: hidden; }

/* ---------- 3. Curseur personnalisé ---------- */
body.has-custom-cursor, body.has-custom-cursor a, body.has-custom-cursor button{ cursor: none; }

.cursor{
  position: fixed;
  top: 0; left: 0;
  width: 0; height: 0;
  pointer-events: none;
  z-index: 9999;
  display: none;
}
body.has-custom-cursor .cursor{ display: block; }

.cursor-dot{
  position: fixed;
  top: 0; left: 0;
  width: 5px; height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: var(--ink);
  pointer-events: none;
  z-index: 9999;
  transition: opacity .2s, background .25s var(--ease);
}
.cursor-ring{
  position: fixed;
  top: 0; left: 0;
  width: 34px; height: 34px;
  margin: -17px 0 0 -17px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  pointer-events: none;
  z-index: 9998;
  background: transparent;
  transition: width .25s var(--ease), height .25s var(--ease), margin .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.cursor-ring.is-hover{
  width: 64px; height: 64px;
  margin: -32px 0 0 -32px;
  background: var(--ink);
  border-color: transparent;
}
.cursor-ring.is-down{ transform: scale(.85); }

body.cursor-on-light .cursor-dot{
  background: var(--paper-ink);
}
body.cursor-on-light .cursor-ring{
  border-color: var(--paper-ink);
}
body.cursor-on-light .cursor-ring.is-hover{
  background: var(--paper-ink);
}

#trail-canvas{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9997;
  display: none;
}
body.has-custom-cursor #trail-canvas{ display: block; }

@media (prefers-reduced-motion: reduce){
  .cursor, #trail-canvas{ display: none !important; }
  body.has-custom-cursor, body.has-custom-cursor a, body.has-custom-cursor button{ cursor: auto; }
}

/* ---------- 4. Navigation ---------- */
.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--pad);
  background: linear-gradient(to bottom, rgba(5,5,6,.85), rgba(5,5,6,0));
  backdrop-filter: blur(6px);
}
.nav-logo{
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.nav-logo span{ color: var(--ink-faint); }

.nav-links{ display: flex; gap: 36px; }
.nav-links a{
  font-size: .87rem;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--ink-dim);
  position: relative;
  padding-bottom: 3px;
  transition: color .25s;
}
.nav-links a::after{
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--ink);
  transition: width .3s var(--ease);
}
.nav-links a:hover, .nav-links a.is-active{ color: var(--ink); }
.nav-links a:hover::after, .nav-links a.is-active::after{ width: 100%; }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  z-index: 501;
}
.nav-toggle span{
  height: 1px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

/* ---------- 5. Hero ---------- */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 140px var(--pad) 100px;
  overflow: hidden;
}
#stars-canvas, #stars-canvas-2, #stars-canvas-3{
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero-vignette{
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(60% 50% at 50% 40%, rgba(5,5,6,0) 0%, rgba(5,5,6,.55) 100%),
    linear-gradient(to bottom, rgba(5,5,6,.15) 0%, rgba(5,5,6,.75) 100%);
  pointer-events: none;
}
.hero-content{
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 22px;
}
.eyebrow-dot{
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink);
}
.eyebrow-alt{ color: var(--ink-dim); }
.eyebrow-dark{ color: var(--paper-ink-dim); }
.eyebrow-dark .eyebrow-dot{ background: var(--paper-ink); }

.hero-title{
  font-size: clamp(3rem, 9vw, 6.4rem);
  line-height: .96;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero-title .outline{
  -webkit-text-stroke: 1.5px var(--ink);
  color: transparent;
}

.hero-text{
  margin-top: 28px;
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--ink-dim);
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .01em;
  transition: transform .3s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn-primary{
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover{ transform: translateY(-2px); }
.btn-ghost{
  border: 1px solid var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--bg); border-color: var(--ink); transform: translateY(-2px); }

.hero-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-meta li{
  font-size: .92rem;
  color: var(--ink);
}
/* Premier span = libellé ; le suivant porte la valeur (traduisible) */
.hero-meta li > span:first-child{
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 6px;
}
.hero-meta a:hover{ text-decoration: underline; text-underline-offset: 3px; }

.scroll-cue{
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-cue-line{
  position: relative;
  width: 1px;
  height: 46px;
  background: var(--line-strong);
  overflow: hidden;
}
.scroll-cue-line::after{
  content: '';
  position: absolute;
  left: 0; top: -100%;
  width: 100%; height: 100%;
  background: var(--ink);
  animation: descend 2.2s ease-in-out infinite;
}
@keyframes descend{
  0%{ top: -100%; }
  60%{ top: 100%; }
  100%{ top: 100%; }
}
.scroll-cue-label{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- 6. Section headers (communs) ---------- */
.section-head{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
  text-align: center;
  margin-bottom: 72px;
}
.section-title{
  font-size: clamp(2rem, 4.2vw, 3rem);
  margin-top: 14px;
}
.section-title-dark{ color: var(--paper-ink); }
.section-sub{
  margin-top: 16px;
  color: var(--ink-dim);
  font-size: 1rem;
}
.section-sub-dark{ color: var(--paper-ink-dim); }

/* ---------- 7. Scroll reveal ---------- */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
}

/* ---------- 7bis. Engagements (avant la timeline) ---------- */
.commitments-section{
  padding: 120px var(--pad) 40px;
  background: var(--paper);
  color: var(--paper-ink);
}
.commitments-columns{
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
.commitment-col{
  padding-top: 32px;
  border-top: 1px solid var(--paper-line-strong);
}
.commitment-index{
  display: block;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--paper-ink-dim);
  margin-bottom: 18px;
}
.commitment-date{
  font-family: var(--font-body);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
  margin-bottom: 10px;
}
.commitment-role{
  font-size: clamp(1.3rem, 2.2vw, 1.6rem);
  margin-bottom: 8px;
}
.commitment-org{
  font-size: .92rem;
  color: var(--paper-ink-dim);
  margin-bottom: 18px;
}
.commitment-intro{
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 2px solid var(--paper-ink);
}
.commitment-intro p{
  font-size: .95rem;
  color: var(--paper-ink-dim);
  max-width: 54ch;
}
.commitment-intro p:first-child{
  font-style: italic;
  color: var(--paper-ink);
}

/* Parcours "Auditeur Conseil CNJE" : ligne horizontale avec une étape par rond,
   pour casser la lecture purement linéaire de la liste à puces. */
.commitment-track{
  margin: 0 0 28px;
  padding: 18px 20px;
  border: 1px solid var(--paper-line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper-elevated);
}
.commitment-track-label{
  font-size: .78rem;
  letter-spacing: .01em;
  color: var(--paper-ink-dim);
  margin-bottom: 16px;
  max-width: 54ch;
}
.commitment-steps{
  display: flex;
  align-items: flex-start;
}
.commitment-step{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.commitment-step-dot{
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--paper-elevated);
  border: 1.5px solid var(--paper-line-strong);
  transition: background .3s, border-color .3s;
}
.commitment-step.is-done .commitment-step-dot{
  background: var(--paper-ink);
  border-color: var(--paper-ink);
}
.commitment-step-label{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
  white-space: nowrap;
}
.commitment-step.is-done .commitment-step-label{
  color: var(--paper-ink);
}
.commitment-step-line{
  flex: 1 1 auto;
  height: 1px;
  min-width: 24px;
  margin: 5px 8px 0;
  background: var(--paper-line-strong);
}
.commitment-step-line.is-done{
  background: var(--paper-ink-dim);
}
.commitment-desc{
  font-size: .95rem;
  color: var(--paper-ink-dim);
  max-width: 54ch;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.commitment-desc li{
  position: relative;
  padding-left: 18px;
}
.commitment-desc li::before{
  content: '';
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--paper-ink-dim);
}
.commitment-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 0 12px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--paper-ink-dim);
}
.commitment-tags li:not(:first-child)::before{
  content: '·';
  margin-right: 12px;
  color: var(--paper-ink-dim);
}

@media (min-width: 760px){
  .commitments-columns{
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }
  .commitment-col{
    padding: 32px 44px 0 0;
  }
  .commitment-col + .commitment-col{
    padding-left: 44px;
    border-left: 1px solid var(--paper-line-strong);
  }
}

/* ---------- 8. Timeline (Parcours) ---------- */
.timeline-section{
  padding: 140px var(--pad) 160px;
  background: var(--bg-soft);
}

.timeline{
  position: relative;
  max-width: 920px;
  margin: 0 auto;
}
.timeline-track{
  position: absolute;
  top: 6px; bottom: 6px;
  left: 6px;
  width: 1px;
  background: var(--line);
}
.timeline-track-fill{
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 0%;
  background: var(--ink);
  box-shadow: 0 0 12px rgba(244,243,239,.5);
  transition: height .1s linear;
}

.timeline-item{
  position: relative;
  padding-left: 44px;
  margin-bottom: 56px;
}
.timeline-item:last-child{ margin-bottom: 0; }

.timeline-node{
  position: absolute;
  left: -1px;
  top: 6px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
}
.timeline-node span{
  width: 5px; height: 5px;
  border-radius: 50%;
  background: transparent;
  transition: background .4s, box-shadow .4s;
}
.timeline-item.is-visible .timeline-node{ border-color: var(--ink); }
.timeline-item.is-visible .timeline-node span{
  background: var(--ink);
  box-shadow: 0 0 10px rgba(244,243,239,.7);
}

/* Les cartes doivent se détacher nettement du fond nuit : un remplissage
   dégradé (plus clair en haut), une bordure franche, un liseré intérieur
   lumineux sur l'arête haute et une ombre portée qui décolle la carte. */
.timeline-card{
  padding: 28px 30px;
  border: 1px solid var(--paper-line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--paper-ink);
  transition: border-color .35s;
}
.timeline-card:hover{
  border-color: var(--paper-ink);
}
.timeline-date{
  font-family: var(--font-body);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
  margin-bottom: 10px;
}
.timeline-card h3{
  font-size: 1.28rem;
  margin-bottom: 6px;
}
.timeline-place{
  font-size: .9rem;
  color: var(--paper-ink-dim);
  margin-bottom: 14px;
}
.timeline-desc{
  font-size: .95rem;
  color: var(--paper-ink-dim);
  max-width: 60ch;
}
.timeline-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.timeline-tags li{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .02em;
  padding: 5px 11px;
  border: 1px solid var(--paper-line-strong);
  border-radius: var(--radius-sm);
  color: var(--paper-ink-dim);
}

@media (min-width: 760px){
  .timeline-track{ left: 50%; margin-left: -0.5px; }
  .timeline-item{ padding-left: 0; width: 46%; }
  .timeline-item:nth-child(odd){ margin-left: 0; text-align: right; }
  .timeline-item:nth-child(even){ margin-left: 54%; }
  .timeline-item:nth-child(odd) .timeline-node{ left: auto; right: -53px; }
  .timeline-item:nth-child(even) .timeline-node{ left: -53px; }
  .timeline-item:nth-child(odd) .timeline-tags{ justify-content: flex-end; }
  .timeline-item:nth-child(odd) .timeline-desc{ margin-left: auto; }
}

/* ---------- 9. Projets (bascule "papier") ---------- */
.projects-section{
  background: var(--paper);
  color: var(--paper-ink);
  padding: 140px var(--pad) 160px;
}

.filters{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 56px;
}
.filter-btn{
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--paper-line-strong);
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--paper-ink-dim);
  transition: background .3s, color .3s, border-color .3s;
}
.filter-btn:hover{ border-color: var(--paper-ink); color: var(--paper-ink); }
.filter-btn.is-active{
  background: var(--paper-ink);
  border-color: var(--paper-ink);
  color: var(--paper);
}

.projects-grid{
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}

.project-card{
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--paper-line);
  background: #fff;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  /* `opacity` est listée pour que l'apparition au scroll (.reveal) reste fluide */
  transition: border-color .35s, opacity .8s var(--ease);
}
.project-card:hover{
  border-color: var(--paper-ink);
}
.project-card.is-hidden{ display: none; }

.project-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.project-label{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: var(--radius-sm);
}
/* Les catégories se distinguent par le TRAIT, pas par la couleur */
.label-academic{ background: var(--paper-ink); color: var(--paper); }
.label-personal{ border: 1px solid var(--paper-ink); color: var(--paper-ink); }
.label-extracurricular{ border: 1px dashed var(--paper-ink); color: var(--paper-ink); }
.label-empty{ border: 1px dotted var(--paper-line-strong); color: var(--paper-ink-dim); }

.project-year{
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--paper-ink-dim);
}
.project-title{
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.project-title-muted{ color: var(--paper-ink-dim); font-weight: 500; }
.project-desc{
  font-size: .92rem;
  color: var(--paper-ink-dim);
  flex-grow: 1;
}
.project-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}
.project-tags li{
  font-family: var(--font-mono);
  font-size: .7rem;
  padding: 4px 10px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  color: var(--paper-ink-dim);
}
/* Appel à l'action des cartes projet (la carte entière est un lien) */
.project-cta{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 500;
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: border-color .25s;
}
.project-cta svg{ transition: transform .25s var(--ease); }
/* La carte entière est un lien : le CTA réagit au survol de la carte */
.project-card:hover .project-cta{ border-color: currentColor; }
.project-card:hover .project-cta svg{ transform: translate(2px,-2px); }
.project-card:focus-visible{
  outline: 2px solid var(--paper-ink);
  outline-offset: 3px;
}

.project-card-empty{
  border-style: dashed;
  background: transparent;
  box-shadow: none;
}
.project-card-empty:hover{ transform: none; box-shadow: none; }

/* ---------- 10. Contact ---------- */
.contact-section{
  background: var(--bg);
  padding: 150px var(--pad) 0;
  text-align: center;
  overflow: hidden;
}
.contact-content{
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}
.contact-title{
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  margin-top: 16px;
}
.contact-sub{
  margin-top: 18px;
  color: var(--ink-dim);
}
.contact-links{
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}
.contact-link{
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.05rem;
  transition: color .25s;
}
.contact-link span{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  width: 90px;
  text-align: right;
}
.contact-link:hover{ color: var(--ink-dim); }

.footer{
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 90px auto 0;
  padding: 26px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--ink-faint);
}
.footer-top{ transition: color .25s; }
.footer-top:hover{ color: var(--ink); }

/* ---------- 11. Sélecteur de langue (drapeaux) ---------- */
.nav-right{
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switch{
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.lang-switch-mobile{ display: none; }

.lang-btn{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px 5px 8px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--ink-faint);
  transition: color .25s, background .25s;
}
.lang-btn .flag{
  width: 20px;
  height: 14px;
  border-radius: 2px;
  flex: 0 0 auto;
  opacity: .55;
  transition: opacity .25s;
}
.lang-btn:hover{ color: var(--ink); }
.lang-btn:hover .flag{ opacity: 1; }
.lang-btn.is-active{
  background: rgba(244,243,239,.1);
  color: var(--ink);
}
.lang-btn.is-active .flag{ opacity: 1; }
.lang-btn:focus-visible{ outline: 1px solid var(--line-strong); outline-offset: 2px; }

/* ---------- 12. Page projet (project.html) ---------- */
.pd-hero{
  position: relative;
  padding: 150px var(--pad) 130px;
  overflow: hidden;
  background: var(--bg);
}
.pd-hero-content{
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
}

.pd-back{
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color .25s;
}
.pd-back svg{ transition: transform .25s var(--ease); }
.pd-back:hover{ color: var(--ink); }
.pd-back:hover svg{ transform: translateX(-3px); }

.pd-kicker{
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
}
.pd-kicker-label{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
}
.pd-kicker-year{
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ink-faint);
}

.pd-title{
  margin-top: 22px;
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 22ch;
}
.pd-summary{
  margin-top: 24px;
  max-width: 58ch;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--ink-dim);
}
.pd-hero-actions{ margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

/* --- Corps sur fond papier --- */
.pd-section{
  background: var(--paper);
  color: var(--paper-ink);
  padding: 0 var(--pad) 140px;
}

.pd-cover{
  position: relative;
  z-index: 3;
  max-width: var(--container);
  margin: 0 auto;
}
.pd-cover-figure{ margin: 0; transform: translateY(-70px); }
.pd-cover:empty{ height: 70px; }

.pd-layout{
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
  padding-top: 20px;
}

/* Fiche technique (colonne de gauche) */
.pd-aside-inner{
  position: sticky;
  top: 110px;
  padding: 26px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: #fff;
}
.pd-aside-title{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--paper-line);
}
.pd-meta{ margin: 0; }
.pd-meta-row{
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
}
.pd-meta-row dt{
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
  margin-bottom: 5px;
}
.pd-meta-row dd{
  margin: 0;
  font-size: .92rem;
  color: var(--paper-ink);
}
.pd-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}
.pd-tags li{
  font-family: var(--font-mono);
  font-size: .7rem;
  padding: 4px 10px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  color: var(--paper-ink-dim);
}
.pd-links{
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pd-link{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 500;
  width: fit-content;
  border-bottom: 1px solid var(--paper-line-strong);
  padding-bottom: 2px;
  transition: border-color .25s;
}
.pd-link svg{ transition: transform .25s var(--ease); }
.pd-link:hover{ border-color: var(--paper-ink); }
.pd-link:hover svg{ transform: translate(2px,-2px); }

/* Corps de l'article (colonne de droite) */
.pd-body{ max-width: 68ch; }
.pd-h2{
  font-size: clamp(1.45rem, 2.6vw, 1.95rem);
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--paper-line);
}
.pd-body > .pd-h2:first-child{ margin-top: 0; padding-top: 0; border-top: 0; }
.pd-h3{
  font-size: 1.16rem;
  margin-top: 42px;
}
.pd-p{
  margin-top: 20px;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--paper-ink-dim);
}
.pd-p strong{ color: var(--paper-ink); font-weight: 600; }
.pd-p a{ border-bottom: 1px solid var(--paper-line-strong); }
.pd-p a:hover{ border-color: var(--paper-ink); }

.pd-list{
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pd-list li{
  position: relative;
  padding-left: 26px;
  font-size: .98rem;
  line-height: 1.7;
  color: var(--paper-ink-dim);
}
.pd-list li::before{
  content: '';
  position: absolute;
  left: 4px;
  top: .62em;
  width: 7px; height: 7px;
  border: 1px solid var(--paper-ink);
  border-radius: 50%;
}

/* Chiffres clés */
.pd-stats{
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.pd-stats li{
  background: #fff;
  padding: 22px 20px;
}
.pd-stat-value{
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.pd-stat-label{
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
}

/* Citation */
.pd-quote{
  margin: 46px 0 0;
  padding: 28px 30px;
  border-left: 2px solid var(--paper-ink);
  background: rgba(11,11,13,.03);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.pd-quote p{
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.5;
}
.pd-quote cite{
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-style: normal;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
}

/* Images, galeries, vidéos */
.pd-figure{
  margin: 40px 0 0;
}
.pd-figure figcaption{
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  line-height: 1.6;
  color: var(--paper-ink-dim);
}
.pd-gallery{
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}
.pd-gallery .pd-figure{ margin: 0; }

.media-holder{
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--paper-line);
  background: var(--paper-elevated);
}
.media-holder img,
.media-holder video{
  display: block;
  width: 100%;
  height: auto;
}
.media-holder-wide{ border-radius: var(--radius); }

/* Fichier absent : on indique le chemin attendu au lieu de casser la page */
.media-missing{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 220px;
  padding: 30px;
  text-align: center;
  border: 1px dashed var(--paper-line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper-elevated);
}
.media-missing-label{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
}
.media-missing code{
  font-family: var(--font-mono);
  font-size: .74rem;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  background: rgba(11,11,13,.06);
  color: var(--paper-ink);
  word-break: break-all;
}

.pd-embed{
  position: relative;
  padding-top: 56.25%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--paper-line);
  background: var(--paper-ink);
}
.pd-embed iframe{
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* Projet précédent / suivant */
.pd-pager{
  max-width: var(--container);
  margin: 110px auto 0;
  padding-top: 40px;
  border-top: 1px solid var(--paper-line);
}
.pd-pager-head{
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
  margin-bottom: 20px;
}
.pd-pager-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.pd-pager-card{
  padding: 24px 26px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .35s;
}
.pd-pager-card:hover{
  border-color: var(--paper-ink);
}
.pd-pager-card.is-next{ text-align: right; }
.pd-pager-dir{
  display: block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
  margin-bottom: 8px;
}
.pd-pager-title{
  display: block;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
}

/* ---------- 13. Responsive ---------- */
@media (max-width: 860px){
  .nav-links{
    position: fixed;
    top: 0; right: 0;
    height: 100svh;
    width: min(78vw, 340px);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    padding: 40px;
    background: var(--bg-elevated);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform .4s var(--ease);
  }
  .nav-links.is-open{ transform: translateX(0); }
  .nav-links a{ font-size: 1.1rem; }
  .nav-toggle{ display: flex; }

  /* Le sélecteur de langue passe dans le menu déroulant */
  .lang-switch-desktop{ display: none; }
  .lang-switch-mobile{
    display: flex;
    align-self: flex-start;
    margin-top: 12px;
  }
  .lang-switch-mobile .lang-btn{ font-size: .78rem; }
  .lang-switch-mobile .flag{ width: 24px; height: 17px; }

  /* Page projet : une seule colonne, fiche technique avant le texte */
  .pd-layout{
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }
  .pd-aside-inner{ position: static; }
  .pd-pager-card.is-next{ text-align: left; }
}

@media (max-width: 600px){
  .hero{ padding-top: 120px; }
  .hero-meta{ gap: 24px; }
  .timeline-section, .projects-section{ padding: 100px var(--pad) 110px; }
  .contact-section{ padding-top: 110px; }
  .contact-link{ flex-direction: column; gap: 6px; padding: 18px 0; }
  .contact-link span{ width: auto; text-align: center; }
  .footer{ flex-direction: column; gap: 14px; text-align: center; }

  /* Page projet */
  .pd-hero{ padding: 120px var(--pad) 90px; }
  .pd-title{ max-width: none; }
  .pd-section{ padding-bottom: 100px; }
  .pd-cover-figure{ transform: translateY(-45px); }
  .pd-cover:empty{ height: 48px; }
  .pd-aside-inner{ padding: 22px; }
  .pd-h2{ margin-top: 48px; }
  .pd-pager{ margin-top: 80px; }
}