/* COMM TO ME — Charte Graphique (2025)
   Palette: #023528 #253D2F #155C48 #7A8F76 #9EAE96 #EBE3D8
   Typographies: Plus Jakarta Sans, Satoshi
*/

:root{
  --deep:#023528;
  --forest:#253D2F;
  --brand:#155C48;
  --sage-1:#7A8F76;
  --sage-2:#9EAE96;
  --cream:#EBE3D8;
  --white:#ffffff;

  /* Futuristic background (strictly within palette) */
  --bg:radial-gradient(1100px 700px at 18% -8%, var(--sage-2) 0%, var(--deep) 60%),
       radial-gradient(900px 600px at 86% 18%, rgba(21,92,72,.45) 0%, rgba(2,53,40,0) 58%),
       radial-gradient(800px 520px at 40% 92%, rgba(122,143,118,.35) 0%, rgba(2,53,40,0) 55%);
  --surface:var(--forest);
  --surface-2:var(--brand);
  --text:var(--cream);
  --text-invert:var(--deep);
  --muted:var(--sage-2);
  --border:rgba(122,143,118,.55); /* derived from #7A8F76 */
  --border-strong:rgba(122,143,118,.85);
  --shadow-1:0 10px 24px rgba(2,53,40,.32);
  --shadow-2:0 18px 44px rgba(2,53,40,.38);

  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;

  --c-max:1200px;
  --pad:clamp(18px,2.2vw,28px);

  --ease:cubic-bezier(.2,.9,.2,1);
}

/* Background (strict palette), with subtle motion for a futuristic feel */
:root{
  --bg:
    radial-gradient(900px 620px at 18% -8%, rgba(158,174,150,.38) 0%, rgba(2,53,40,1) 55%),
    radial-gradient(880px 680px at 88% 18%, rgba(21,92,72,.22) 0%, rgba(2,53,40,0) 60%),
    linear-gradient(180deg, rgba(2,53,40,1) 0%, rgba(37,61,47,1) 100%);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Plus Jakarta Sans","Satoshi",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial;
  background:var(--bg);
  background-attachment:fixed;
  background-size: 140% 140%, 160% 160%, 150% 150%;
  animation:bgDrift 18s var(--ease) infinite alternate;
  color:var(--text);
  line-height:1.6;
  text-rendering:optimizeLegibility;
}

@keyframes bgDrift{
  from{background-position:0% 0%, 100% 20%, 40% 100%}
  to{background-position:10% 6%, 92% 34%, 46% 92%}
}

/* Futuristic layers: subtle grid + soft noise + motion (palette-derived only) */
body::before{
  content:"";
  position:fixed;inset:0;
  background:
    linear-gradient(to right, rgba(235,227,216,.06) 1px, rgba(0,0,0,0) 1px),
    linear-gradient(to bottom, rgba(235,227,216,.05) 1px, rgba(0,0,0,0) 1px);
  background-size:64px 64px;
  opacity:.35;
  pointer-events:none;
  mix-blend-mode:overlay;
  transform:translate3d(0,0,0);
  animation:gridFloat 16s var(--ease) infinite alternate;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;inset:-10%;
  background:radial-gradient(900px 520px at 28% 22%, rgba(21,92,72,.22) 0%, rgba(2,53,40,0) 62%);
  pointer-events:none;
  filter:blur(8px);
  opacity:.75;
  z-index:0;
  animation:orbDrift 18s var(--ease) infinite alternate;
}

@keyframes gridFloat{from{background-position:0 0,0 0}to{background-position:40px 0,0 40px}}
@keyframes orbDrift{from{transform:translate3d(-1.5%, -1%, 0)}to{transform:translate3d(1.5%, 1%, 0)}}

main, header, footer{position:relative;z-index:1}

.cursor-glow{
  position:fixed;left:0;top:0;
  width:480px;height:480px;
  border-radius:999px;
  background:radial-gradient(circle at center, rgba(21,92,72,.22) 0%, rgba(2,53,40,0) 60%);
  filter:blur(10px);
  pointer-events:none;
  transform:translate3d(-9999px,-9999px,0);
  z-index:1;
}

a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(158,174,150,.35); /* derived from #9EAE96 */
  border-radius:10px;
}

.container{max-width:min(var(--c-max),92vw);margin:0 auto;padding:0 var(--pad)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.section{padding:clamp(56px,8vw,96px) 0}
.section.alt{background:var(--cream);color:var(--text-invert)}
.section.alt a{color:var(--text-invert)}

h1,h2,h3,h4{
  font-family:"Satoshi","Plus Jakarta Sans",ui-sans-serif;
  letter-spacing:.01em;
  margin:0 0 14px 0;
}
h1{font-size:clamp(2.2rem,4vw,3.2rem);line-height:1.1}
h2{font-size:clamp(1.65rem,2.6vw,2.1rem);line-height:1.18}
h3{font-size:1.05rem;color:var(--muted);font-weight:700;margin-top:18px}
.section.alt h3{color:rgba(2,53,40,.72)}
p{margin:0 0 14px 0}
small{color:var(--muted)}
.section.alt small{color:rgba(2,53,40,.72)}

.kicker{
  display:inline-flex;gap:10px;align-items:center;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);font-size:.78rem;
}
.kicker::before{
  content:"";width:26px;height:1px;background:var(--muted);
  opacity:.9;
}
.section.alt .kicker{color:rgba(2,53,40,.70)}
.section.alt .kicker::before{background:rgba(2,53,40,.70)}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(2,53,40,.78);
  backdrop-filter:saturate(170%) blur(12px);
  border-bottom:1px solid var(--border);
  transition:all .28s var(--ease);
}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-header.scrolled{background:rgba(2,53,40,.9)}
.site-header.scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:28px;display:block}
.brand span{font-weight:800;letter-spacing:.02em}
.nav{
  display:flex;align-items:center;gap:22px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(37,61,47,.18);
  border:1px solid rgba(122,143,118,.22);
}
.nav a{
  opacity:.92;
  position:relative;
  font-weight:600;
  font-size:.98rem;
}
.nav a:hover{opacity:1;color:var(--muted)}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-10px;height:2px;width:0%;
  background:var(--muted);transition:width .28s var(--ease);
}
.nav a:hover::after{width:100%}
.nav .cta{
  padding:10px 16px;border-radius:999px;
  border:1px solid var(--border);
  background:rgba(37,61,47,.35);
  box-shadow:0 10px 20px rgba(2,53,40,.12);
}
.nav .cta:hover{border-color:var(--border-strong)}
.menu-btn{display:none;background:transparent;border:1px solid var(--border);color:var(--text);
  border-radius:999px;padding:10px 14px;font-weight:700}

.progress{
  position:fixed;left:0;top:0;height:2px;width:0%;
  background:var(--muted);z-index:60;opacity:.9;
}

.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(900px 520px at 12% 10%, rgba(21,92,72,.55) 0%, rgba(37,61,47,.55) 38%, rgba(2,53,40,1) 100%),
    radial-gradient(620px 420px at 86% 0%, rgba(158,174,150,.22) 0%, rgba(2,53,40,0) 60%);
}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:clamp(18px,3vw,40px);align-items:center}
.hero-logo{height:clamp(52px,10vw,110px);display:block;filter:drop-shadow(0 18px 34px rgba(2,53,40,.35))}
.subtitle{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);max-width:62ch}
.signature{
  margin-top:16px;
  color:var(--muted);
  font-style:italic;
  max-width:68ch;
}
.badges{list-style:none;padding:0;margin:18px 0 0 0;display:flex;gap:10px;flex-wrap:wrap}
.badges li{
  border:1px solid var(--border);
  background:rgba(37,61,47,.38);
  padding:9px 12px;border-radius:999px;
  font-weight:700;color:var(--text);
  box-shadow:0 12px 24px rgba(2,53,40,.18);
}

.hero-card{
  background:rgba(37,61,47,.42);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:var(--shadow-1);
  position:relative;
}
.hero-card::after{
  content:"";
  position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(158,174,150,.16);
}
.hero-card h3{margin:0 0 10px 0;color:var(--muted)}
.hero-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
.metric{
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:12px;
  background:rgba(2,53,40,.22);
}
.metric .n{font-weight:900;font-size:1.15rem}
.metric .t{color:var(--muted);font-weight:600;font-size:.9rem;margin-top:2px}

.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;
  padding:12px 18px;
  border:1px solid var(--border);
  font-weight:800;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
  position:relative;
  overflow:hidden;
}
.btn::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,
    rgba(235,227,216,0) 0%,
    rgba(235,227,216,.16) 35%,
    rgba(21,92,72,.18) 50%,
    rgba(235,227,216,.10) 65%,
    rgba(235,227,216,0) 100%);
  transform:translateX(-120%);
  opacity:0;
  transition:transform .55s var(--ease), opacity .25s var(--ease);
  pointer-events:none;
}
.btn:hover::after{opacity:.9;transform:translateX(120%)}
.btn-primary{
  background:var(--brand);
  color:var(--cream);
  border-color:rgba(122,143,118,.25);
  box-shadow:0 18px 40px rgba(21,92,72,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 60px rgba(21,92,72,.32)}
.btn-ghost{
  background:rgba(37,61,47,.22);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--border-strong)}

.grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(14px,2.2vw,22px);
  margin-top:22px;
}
.card{
  background:rgba(37,61,47,.34);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:18px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:linear-gradient(115deg,
    rgba(235,227,216,.0) 0%,
    rgba(235,227,216,.08) 25%,
    rgba(21,92,72,.10) 50%,
    rgba(235,227,216,.06) 70%,
    rgba(235,227,216,.0) 100%);
  transform:translateX(-60%) rotate(0.001deg);
  opacity:.0;
  transition:transform .55s var(--ease), opacity .35s var(--ease);
  pointer-events:none;
}
.card:hover::before{
  opacity:1;
  transform:translateX(60%) rotate(0.001deg);
}
.section.alt .card{
  background:rgba(255,255,255,.55);
  border-color:rgba(122,143,118,.55);
  box-shadow:0 16px 40px rgba(2,53,40,.10);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--border-strong)}
.card:hover::before{opacity:1;transform:translateX(60%) rotate(0.001deg)}
.card h4{margin:0 0 8px 0}
.card p{color:var(--muted)}
.section.alt .card p{color:rgba(2,53,40,.75)}
.card ul{margin:10px 0 0 0;padding-left:18px}

/* Publications */
.posts-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:18px;
}
@media (max-width: 920px){
  .posts-grid{grid-template-columns:1fr}
}
.post-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--border-strong)}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.post-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.6);
}
.post-date{font-size:12px;color:var(--muted)}
.post-title{margin:0 0 8px 0;letter-spacing:-.01em}
.post-title a{color:inherit;text-decoration:none}
.post-title a:hover{text-decoration:underline}
.post-excerpt{margin:0;color:var(--muted)}
.post-actions{margin-top:14px}
.post-body p{color:rgba(2,53,40,.85)}
.card li{margin:6px 0}

.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(18px,3vw,42px);
  align-items:start;
}
.lead{font-size:1.06rem;max-width:72ch}
.quote{
  padding-left:18px;
  border-left:2px solid rgba(158,174,150,.65);
  color:var(--muted);
  font-style:italic;
}
.section.alt .quote{border-left-color:rgba(2,53,40,.35);color:rgba(2,53,40,.75)}

.naia{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:clamp(18px,3vw,44px);
  align-items:center;
}
.portrait{
  border-radius:var(--r-lg);
  border:1px solid var(--border);
  overflow:hidden;
  background:rgba(37,61,47,.24);
  box-shadow:var(--shadow-1);
}
.portrait img{width:100%;height:auto;display:block}
.portrait .cap{
  padding:14px 16px;border-top:1px solid var(--border);
  color:var(--muted);font-weight:700;
}

.chat{
  border-radius:var(--r-lg);
  border:1px solid var(--border);
  background:rgba(37,61,47,.30);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.chat-head{
  padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-bottom:1px solid var(--border);
}
.pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 12px;border-radius:999px;border:1px solid var(--border);
  background:rgba(2,53,40,.22);
  font-weight:800;color:var(--muted);
  font-size:.9rem;
}
.chat-body{padding:16px}
.bubble{
  max-width:72ch;
  padding:12px 14px;border-radius:16px;
  border:1px solid var(--border);
  background:rgba(2,53,40,.22);
  margin:0 0 10px 0;
}
.bubble.me{
  margin-left:auto;
  background:rgba(21,92,72,.28);
  border-color:rgba(122,143,118,.35);
}
.chat-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.chat-actions a{flex:0 0 auto}

.form{
  margin-top:18px;
  border:1px solid var(--border);
  background:rgba(2,53,40,.22);
  border-radius:var(--r-lg);
  padding:16px;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.field{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  background:rgba(37,61,47,.28);color:var(--text);font-weight:600}
.section.alt .field{background:rgba(255,255,255,.70);color:var(--deep)}
.field::placeholder{color:rgba(158,174,150,.85)}
.section.alt .field::placeholder{color:rgba(2,53,40,.55)}
textarea.field{min-height:120px;resize:vertical}
.form-note{margin-top:10px;color:var(--muted);font-size:.92rem}
.section.alt .form-note{color:rgba(2,53,40,.70)}

.site-footer{
  border-top:1px solid var(--border);
  padding:28px 0;
  background:rgba(2,53,40,.92);
}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-left{display:flex;align-items:center;gap:12px}
.footer-left img{height:26px;display:block}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{opacity:.9}
.footer-links a:hover{opacity:1;color:var(--muted)}
.footer-tag{color:var(--muted);font-weight:700}

.reveal{opacity:0;transform:translateY(10px);transition:opacity .9s var(--ease), transform .9s var(--ease)}
.reveal.on{opacity:1;transform:translateY(0)}

.page-fade{opacity:0;transition:opacity .35s var(--ease)}
.page-fade.on{opacity:1}

@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .naia{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .nav{display:none}
  .menu-btn{display:inline-flex}
  .nav.open{
    display:flex;position:absolute;left:var(--pad);right:var(--pad);top:84px;
    background:rgba(2,53,40,.92);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    padding:16px;
    flex-direction:column;gap:14px;
    box-shadow:var(--shadow-2);
  }
}

/* Brand line (logo noir) */
.brand-divider{
  height:18px;
  background-image:url("Logo png/Plan de travail 31.png");
  background-repeat:repeat-x;
  background-position:center;
  background-size:76px auto;
  opacity:.09;
  filter:grayscale(1);
  pointer-events:none;
}

.contact-mini{
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.02em;
}

/* Brand logo sizing */
.brand img{height:28px;width:auto;display:block}
.site-footer .footer-left img{height:28px;width:auto}
.footer-contact{margin-top:6px;font-size:12.5px;color:var(--sage-2);letter-spacing:.02em}
.footer-contact a{color:inherit;text-decoration:none}
.footer-contact a:hover{text-decoration:underline}
.hero-contact{margin-top:16px;font-size:13px;color:var(--muted);letter-spacing:.02em}


/* Language switch (discreet) */
/* Language switch removed (single premium experience) */