:root{
  --paper:#FAFAF7;
  --paper-soft:#F4F3EF;
  --ink:#15161A;
  --ink-soft:#4B4D56;
  --line:#E4E2DC;
  --accent:#5B4FE8;
  --accent-soft:#EDEBFC;
  --mono: 'IBM Plex Mono', monospace;
  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

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

a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
ul{list-style:none;}

::selection{background:var(--accent);color:var(--paper);}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

a:focus-visible, button:focus-visible, .work-item:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:4px;
}

/* ---------- Header ---------- */
header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(250,250,247,0.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:22px;
  padding-bottom:22px;
}
.logo{
  font-family:var(--display);
  font-weight:600;
  font-size:18px;
  letter-spacing:-0.01em;
}
.navlinks{
  display:flex;
  gap:36px;
  font-family:var(--mono);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--ink-soft);
}
.navlinks a{transition:color .2s ease;position:relative;}
.navlinks a:hover, .navlinks a.active{color:var(--ink);}
.navlinks a.active{color:var(--accent);}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:0;
  cursor:pointer;
}
.nav-toggle span{width:22px;height:1px;background:var(--ink);transition:transform .3s ease,opacity .3s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  padding-top:120px;
  padding-bottom:100px;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--accent);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:28px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
  display:inline-block;
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;}
  50%{opacity:.35;}
}
h1{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(36px, 5.2vw, 68px);
  line-height:1.02;
  letter-spacing:-0.02em;
  max-width:20ch;
}
h1 em{
  font-style:normal;
  color:var(--accent);
}
.hero-sub{
  margin-top:32px;
  max-width:52ch;
  font-size:18px;
  color:var(--ink-soft);
}
.hero-sub strong{color:var(--ink);font-weight:500;}
.hero-meta{
  display:flex;
  gap:56px;
  margin-top:64px;
  flex-wrap:wrap;
}
.hero-meta div{
  font-family:var(--mono);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--ink-soft);
}
.hero-meta strong{
  display:block;
  font-family:var(--body);
  font-size:15px;
  text-transform:none;
  letter-spacing:0;
  color:var(--ink);
  margin-top:6px;
  font-weight:500;
}
.hero-cta{margin-top:48px;display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- Section label ---------- */
.section-label{
  font-family:var(--mono);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.08em;
  color:var(--ink-soft);
  padding:56px 0 0;
}
.section-title{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(28px,3.6vw,42px);
  letter-spacing:-0.015em;
  margin-top:10px;
}

/* ---------- Work: accordion list ---------- */
.work{padding-bottom:60px;position:relative;}
.work-list{border-top:1px solid var(--line);margin-top:32px;}

.work-item{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:34px 0;
  cursor:pointer;
  position:relative;
  transition:padding-left .35s cubic-bezier(.2,.8,.2,1);
  border-bottom:1px solid var(--line);
}
.work-item:hover{padding-left:16px;}
.work-item-top{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.work-desc{
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.6;
  width:100%;
}
.work-item-left{display:flex;align-items:center;gap:24px;min-width:0;}
.work-index{font-family:var(--mono);font-size:13px;color:var(--ink-soft);flex-shrink:0;}
.work-title{
  font-family:var(--display);
  font-size:clamp(21px, 2.8vw, 32px);
  font-weight:500;
  letter-spacing:-0.01em;
  transition:color .25s ease;
}
.work-item:hover .work-title, .work-item.active .work-title{color:var(--accent);font-weight:700;}
.work-item-right{display:flex;align-items:center;gap:22px;flex-shrink:0;}
.work-tags{
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-soft);
  text-transform:uppercase;
  letter-spacing:0.04em;
  text-align:right;
  white-space:nowrap;
}
.work-chev{
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--ink-soft);
  transition:transform .3s ease, background .25s ease, border-color .25s ease, color .25s ease;
  flex-shrink:0;
}
.work-item.active .work-chev{
  transform:rotate(180deg);
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}

.gallery-panel{
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .45s ease, opacity .35s ease;
}
.gallery-panel.open{
  max-height:4200px;
  opacity:1;
}
.project-tools{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.02em;
  color:var(--ink-soft);
  padding:8px 0 0;
}
.project-tools-label{
  color:var(--accent);
  text-transform:uppercase;
  letter-spacing:0.06em;
  margin-right:8px;
}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:10px;
  padding:8px 0 40px;
}
.gallery-grid.g-6{grid-template-columns:repeat(3, 1fr);}

.gallery-thumb{
  position:relative;
  aspect-ratio:4/5;
  overflow:hidden;
  border-radius:4px;
  cursor:zoom-in;
  background:var(--line);
  border:none;
  padding:0;
  display:block;
  width:100%;
}
.gallery-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
  transition:transform .35s ease;
}
.gallery-thumb:hover img{transform:scale(1.05);}
.gallery-thumb-cap{
  position:absolute;
  left:0; right:0; bottom:0;
  padding:8px 10px;
  font-family:var(--mono);
  font-size:9.5px;
  text-transform:uppercase;
  letter-spacing:0.03em;
  color:#fff;
  text-align:left;
  background:linear-gradient(to top, rgba(21,22,26,0.75), rgba(21,22,26,0));
  line-height:1.3;
}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(21,22,26,0.94);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:100;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  padding:40px;
}
.lightbox.open{opacity:1; pointer-events:auto;}
.lightbox img{
  max-width:min(760px, 90vw);
  max-height:78vh;
  border-radius:4px;
  box-shadow:0 30px 60px rgba(0,0,0,0.4);
}
.lightbox-cap{
  position:absolute;
  bottom:34px; left:0; right:0;
  text-align:center;
  font-family:var(--mono);
  font-size:12px;
  color:#C9C8D6;
  letter-spacing:0.03em;
}
.lightbox-close, .lightbox-nav{
  position:absolute;
  background:none;
  border:none;
  color:#fff;
  cursor:pointer;
  font-family:var(--mono);
}
.lightbox-close{
  top:26px; right:32px;
  font-size:13px;
  letter-spacing:0.05em;
  text-transform:uppercase;
}
.lightbox-nav{
  top:50%;
  transform:translateY(-50%);
  font-size:26px;
  padding:10px;
  opacity:0.7;
  transition:opacity .2s ease;
  line-height:1;
}
.lightbox-nav:hover{opacity:1;}
.lightbox-prev{left:10px;}
.lightbox-next{right:10px;}

/* ---------- Skills (nested inside Parcours accordion) ---------- */
.skills-list{margin:8px 0 40px;width:100%;}
.skill-row{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  width:100%;
}
.skill-row span:first-child{
  font-family:var(--mono);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--accent);
  font-weight:500;
}
.skill-row span:last-child{
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.65;
  text-align:left;
}

/* ---------- Parcours ---------- */
.parcours{padding-top:56px;padding-bottom:100px;border-top:1px solid var(--line);}
.timeline-grid{
  margin:8px 0 32px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.timeline-card{
  background:var(--paper);
  padding:32px;
  transition:background .25s ease;
}
.timeline-card:hover{background:var(--paper-soft);}
.timeline-card-wide{grid-column:1 / -1;}
.timeline-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:18px;
}
.timeline-num{
  width:34px;height:34px;
  border-radius:50%;
  background:var(--accent);
  color:var(--paper);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-size:13px;
  font-weight:500;
  flex-shrink:0;
}
.timeline-period{
  font-family:var(--mono);
  font-size:11.5px;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--accent);
}
.timeline-org{
  font-family:var(--display);
  font-size:22px;
  font-weight:600;
  letter-spacing:-0.01em;
  margin-top:2px;
}
.timeline-formation{
  font-family:var(--body);
  font-style:italic;
  font-size:13px;
  color:var(--ink-soft);
  margin-bottom:18px;
}
.timeline-missions{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:20px;
}
.timeline-missions li{
  font-size:13.5px;
  color:var(--ink);
  line-height:1.5;
  padding-left:16px;
  position:relative;
}
.timeline-missions li::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--accent);
  position:absolute;
  left:0;
  top:7px;
}
.timeline-tag{
  display:inline-block;
  font-family:var(--mono);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:0.04em;
  color:var(--accent);
  background:var(--accent-soft);
  padding:7px 14px;
  border-radius:20px;
  margin-right:8px;
}

.timeline-card-cta{background:var(--accent);}
.timeline-card-cta:hover{background:var(--accent);}
.timeline-card-cta .timeline-num{background:#fff;color:var(--accent);}
.timeline-card-cta .timeline-period{color:rgba(255,255,255,0.75);}
.timeline-card-cta .timeline-org{color:#fff;}
.timeline-cta-text{
  font-size:13.5px;
  line-height:1.6;
  color:rgba(255,255,255,0.9);
  margin-bottom:22px;
}
.timeline-cta-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--accent);
  background:#fff;
  padding:10px 18px;
  border-radius:20px;
  transition:transform .2s ease;
}
.timeline-cta-btn:hover{transform:translateX(3px);}

/* ---------- Contact ---------- */
.contact{padding-top:100px;padding-bottom:80px;border-top:1px solid var(--line);}
.contact h2{
  font-family:var(--display);
  font-size:clamp(28px, 4.2vw, 56px);
  font-weight:600;
  letter-spacing:-0.02em;
}
.contact-title{white-space:nowrap;}
.contact-row{
  margin-top:48px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  flex-wrap:wrap;
  gap:16px;
}
.cta{
  font-family:var(--mono);
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  border:1px solid var(--ink);
  padding:16px 28px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  transition:background .2s ease, color .2s ease;
}
.cta:hover{background:var(--ink); color:var(--paper);}
.cta-solid{background:var(--accent); border-color:var(--accent); color:#fff;}
.cta-solid:hover{background:var(--ink); border-color:var(--ink); color:var(--paper);}

footer{
  border-top:1px solid var(--line);
  padding:28px 0;
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-soft);
  display:flex;
  justify-content:space-between;
}

/* ---------- Responsive ---------- */
@media (max-width:820px){
  .navlinks{
    position:fixed;top:0;right:0;height:100vh;width:78vw;max-width:300px;
    background:var(--paper);flex-direction:column;justify-content:center;align-items:flex-start;
    padding:0 36px;gap:26px;transform:translateX(100%);transition:transform .35s ease;
    border-left:1px solid var(--line);z-index:60;font-size:14px;
  }
  .navlinks.open{transform:translateX(0);}
  .nav-toggle{display:flex;}
  .about{grid-template-columns:1fr; gap:40px;}
  .work-item{padding:26px 0;}
  .work-item-left{gap:14px;}
  .work-tags{display:none;}
  .hero{padding-top:80px;padding-bottom:60px;}
  .hero-meta{gap:32px;}
  .timeline-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2, 1fr);}
  .gallery-grid.g-6{grid-template-columns:repeat(2, 1fr);}
  .lightbox-nav{font-size:20px;}
  .contact-title{white-space:normal;}
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important; scroll-behavior:auto !important;}
}