/* ═══ Fonts self-hosted (latin subset, woff2) ═══ */
@font-face{
  font-family:'Archivo';font-style:normal;font-weight:600 900;
  font-stretch:70% 90%;font-display:swap;
  src:url('/fonts/archivo-var.woff2') format('woff2');
}
@font-face{
  font-family:'Instrument Sans';font-style:normal;font-weight:400 600;
  font-display:swap;
  src:url('/fonts/instrument-sans-var.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:400;
  font-display:swap;
  src:url('/fonts/ibm-plex-mono-400.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:500;
  font-display:swap;
  src:url('/fonts/ibm-plex-mono-500.woff2') format('woff2');
}

:root{
  --blanc:#070A12;
  --noir:#F2F5FC;
  --gris:#9BA4B8;
  --brume:#1B2232;
  --indigo:#4F46E5;--indigo-txt:#818CF8;
  --cyan:#06B6D4;
  --grad:linear-gradient(100deg,#4F46E5 0%,#06B6D4 100%);
  --max:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--blanc);color:var(--noir);
  font-family:'Instrument Sans',sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--indigo);color:#fff}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--indigo);outline-offset:3px}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

/* ═══ Orbes de fond (mesh gradient vivant) ═══ */
.orbes{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orbe{position:absolute;border-radius:50%;filter:blur(100px);opacity:.4}
.orbe.a{width:560px;height:560px;background:#4338CA;top:-180px;right:-120px;animation:derive1 26s ease-in-out infinite alternate}
.orbe.b{width:460px;height:460px;background:#0E7490;bottom:-160px;left:-140px;animation:derive2 32s ease-in-out infinite alternate}
@keyframes derive1{from{transform:translate(0,0)}to{transform:translate(-80px,60px)}}
@keyframes derive2{from{transform:translate(0,0)}to{transform:translate(70px,-50px)}}
.contenu{position:relative;z-index:1}

/* ═══ Nav ═══ */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding-top:env(safe-area-inset-top);
  background:rgba(7,10,18,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(79,70,229,.25);
  box-shadow:0 1px 0 rgba(6,182,212,.08),0 8px 32px rgba(0,0,0,.3);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Archivo',sans-serif;font-weight:800;font-stretch:75%;font-size:16px;text-transform:uppercase;letter-spacing:.02em}
.logo em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
nav ul{z-index:70;display:flex;gap:30px;list-style:none;align-items:center}
nav a{font-size:14px;color:var(--gris);transition:color .2s}
nav a:hover{color:var(--noir)}
nav a.active{color:var(--noir)}
.cta-nav{
  background:var(--noir);color:#070A12!important;padding:10px 22px;border-radius:100px;
  font-size:13.5px;font-weight:500;transition:background .25s,transform .2s;
}
.cta-nav:hover{background:var(--indigo);color:#fff!important;transform:translateY(-1px)}

/* ═══ Hero ═══ */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-top:110px;position:relative}
.hero .meta{
  display:flex;gap:28px;flex-wrap:wrap;
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gris);margin-bottom:44px;
}
.hero .meta .live{color:var(--indigo)}
h1{
  font-family:'Archivo',sans-serif;font-weight:820;font-stretch:78%;
  font-size:clamp(52px,9.5vw,138px);line-height:.94;letter-spacing:-.02em;
  text-transform:uppercase;margin-bottom:44px;
}
h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
h1 .fin{font-weight:300;font-stretch:95%;text-transform:none;letter-spacing:-.01em}
.hero .lede{font-size:20px;color:var(--gris);max-width:58ch;margin-bottom:44px}
.hero .lede b{color:var(--noir);font-weight:600}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-block;padding:16px 34px;border-radius:100px;font-size:15px;
  font-weight:500;transition:transform .2s, box-shadow .25s, background .25s;cursor:pointer;
}
.btn-plein{background:var(--noir);color:#070A12;border:none}
.btn-plein:hover{background:var(--indigo);color:#fff;transform:translateY(-2px);box-shadow:0 14px 34px rgba(79,70,229,.28)}
.btn-ligne{border:1px solid #2A3347;color:var(--noir);background:transparent}
.btn-ligne:hover{border-color:var(--noir)}

/* ═══ Page Hero (inner pages) ═══ */
.page-hero{
  min-height:60vh;display:flex;flex-direction:column;justify-content:center;
  padding-top:130px;padding-bottom:60px;position:relative;
}
.page-hero .meta{
  display:flex;gap:28px;flex-wrap:wrap;
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gris);margin-bottom:36px;
}
.page-hero h1{
  font-size:clamp(40px,7vw,96px);margin-bottom:28px;
}
.page-hero .lede{font-size:19px;color:var(--gris);max-width:58ch;margin-bottom:0}
.page-hero .lede b{color:var(--noir);font-weight:600}

/* ═══ Bande noire (bureaux) ═══ */
.bande{
  background:var(--noir);color:#070A12;padding:20px 0;overflow:hidden;
  font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
}
.bande-piste{display:flex;white-space:nowrap;animation:defiler 30s linear infinite}
.bande-piste span{padding:0 34px;color:rgba(7,10,18,.65)}
.bande-piste b{font-weight:500;color:#070A12}
.bande-piste .p{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes defiler{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ═══ Sections ═══ */
.section{padding:120px 0}
.section.compact{padding:80px 0}
.entete{margin-bottom:70px;display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--indigo-txt);display:block;margin-bottom:16px;
}
.entete h2{
  font-family:'Archivo',sans-serif;font-weight:780;font-stretch:80%;
  font-size:clamp(34px,4.6vw,60px);line-height:1;text-transform:uppercase;letter-spacing:-.015em;
}
.entete p{color:var(--gris);max-width:44ch}

/* ═══ Services — liste monumentale ═══ */
.rangee{
  border-top:1px solid var(--brume);padding:52px 0;
  display:grid;grid-template-columns:120px 1fr 1fr;gap:36px;align-items:start;
  transition:background .3s;position:relative;
}
.rangee:last-child{border-bottom:1px solid var(--brume)}
.rangee:hover{background:linear-gradient(90deg, rgba(79,70,229,.08), rgba(6,182,212,.08))}
.rangee .num{
  font-family:'Archivo',sans-serif;font-weight:850;font-stretch:70%;
  font-size:clamp(48px,6vw,86px);line-height:.9;color:transparent;
  -webkit-text-stroke:1.5px #2E3A55;transition:all .3s;
}
.rangee:hover .num{-webkit-text-stroke:1.5px transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
.rangee h3{
  font-family:'Archivo',sans-serif;font-weight:740;font-stretch:82%;
  font-size:clamp(24px,3vw,38px);line-height:1.06;text-transform:uppercase;letter-spacing:-.01em;
  margin-bottom:14px;
}
.rangee .detail p{color:var(--gris);margin-bottom:18px;font-size:16px}
.rangee ul{list-style:none}
.rangee li{
  font-size:14.5px;color:var(--gris);padding:8px 0 8px 24px;position:relative;
  border-top:1px dashed var(--brume);
}
.rangee li::before{content:"→";position:absolute;left:0;color:var(--indigo)}

/* ═══ Cartes d'aperçu (accueil) ═══ */
.apercu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--brume)}
.apercu{
  border-bottom:1px solid var(--brume);padding:44px 36px;
  transition:background .3s;position:relative;
}
.apercu:nth-child(odd){border-right:1px solid var(--brume)}
.apercu:hover{background:linear-gradient(135deg, rgba(79,70,229,.06), rgba(6,182,212,.06))}
.apercu .num{
  font-family:'Archivo',sans-serif;font-weight:850;font-stretch:70%;
  font-size:48px;line-height:.9;color:transparent;
  -webkit-text-stroke:1.5px #2E3A55;transition:all .3s;margin-bottom:20px;
}
.apercu:hover .num{-webkit-text-stroke:1.5px transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
.apercu h3{
  font-family:'Archivo',sans-serif;font-weight:740;font-stretch:82%;
  font-size:24px;line-height:1.06;text-transform:uppercase;letter-spacing:-.01em;
  margin-bottom:12px;
}
.apercu p{color:var(--gris);font-size:15px;margin-bottom:16px}
.apercu .lire{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--indigo-txt);letter-spacing:.1em;text-transform:uppercase}
.apercu .lire::after{content:" →"}

/* ═══ Méthode ═══ */
.frise{display:grid;grid-template-columns:repeat(3,1fr);gap:0;counter-reset:phase}
.temps{padding:34px 28px 0;border-left:1px solid var(--brume);position:relative}
.temps::before{
  content:"";position:absolute;top:0;left:-4px;width:7px;height:7px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 5px rgba(79,70,229,.28);
}
.temps .ph{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--indigo-txt);display:block;margin-bottom:14px;
}
.temps h3{font-family:'Archivo',sans-serif;font-weight:720;font-stretch:82%;font-size:21px;text-transform:uppercase;margin-bottom:10px}
.temps p{color:var(--gris);font-size:15px}

/* ═══ Méthode détaillée (page methode) ═══ */
.methode-detail{display:grid;gap:0}
.methode-bloc{
  border-top:1px solid var(--brume);padding:60px 0;
  display:grid;grid-template-columns:80px 1fr;gap:36px;align-items:start;
}
.methode-bloc:last-child{border-bottom:1px solid var(--brume)}
.methode-bloc .num{
  font-family:'Archivo',sans-serif;font-weight:850;font-stretch:70%;
  font-size:clamp(48px,6vw,86px);line-height:.9;color:transparent;
  -webkit-text-stroke:1.5px #2E3A55;
}
.methode-bloc h3{
  font-family:'Archivo',sans-serif;font-weight:740;font-stretch:82%;
  font-size:clamp(24px,3vw,38px);line-height:1.06;text-transform:uppercase;letter-spacing:-.01em;
  margin-bottom:18px;
}
.methode-bloc p{color:var(--gris);font-size:16px;margin-bottom:14px;max-width:60ch}
.methode-bloc ul{list-style:none;margin-top:14px}
.methode-bloc li{
  font-size:14.5px;color:var(--gris);padding:8px 0 8px 24px;position:relative;
  border-top:1px dashed var(--brume);
}
.methode-bloc li::before{content:"→";position:absolute;left:0;color:var(--indigo)}

/* ═══ Manifeste (bande noire pleine) ═══ */
.manifeste{background:var(--noir);color:#070A12;padding:130px 0}
.manifeste .eyebrow{color:var(--indigo)}
.manifeste blockquote{
  font-family:'Archivo',sans-serif;font-weight:640;font-stretch:85%;
  font-size:clamp(28px,4.2vw,52px);line-height:1.14;letter-spacing:-.015em;
  max-width:24ch;margin-bottom:56px;
}
.manifeste blockquote em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.piliers{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.pilier{border-top:1px solid rgba(7,10,18,.15);padding-top:24px}
.pilier .code{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--indigo);display:block;margin-bottom:12px}
.pilier h4{font-family:'Archivo',sans-serif;font-weight:700;font-stretch:85%;font-size:19px;text-transform:uppercase;margin-bottom:10px}
.pilier p{color:rgba(7,10,18,.62);font-size:15px}

/* ═══ Contact ═══ */
.contact{padding:130px 0}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.contact h2{
  font-family:'Archivo',sans-serif;font-weight:800;font-stretch:76%;
  font-size:clamp(38px,5.4vw,72px);line-height:.96;text-transform:uppercase;letter-spacing:-.015em;margin-bottom:26px;
}
.contact h2 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.contact .texte>p{color:var(--gris);margin-bottom:32px;max-width:44ch}
.bureaux{display:grid;gap:0;margin-bottom:30px}
.bureau{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 0;border-top:1px solid var(--brume);
}
.bureau:last-child{border-bottom:1px solid var(--brume)}
.bureau .role{
  font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--indigo-txt);display:block;margin-bottom:3px;
}
.bureau .role.sec{color:var(--gris)}
.bureau h4{font-family:'Archivo',sans-serif;font-weight:680;font-stretch:85%;font-size:19px}
.bureau time,.bureau .tz{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--gris);font-variant-numeric:tabular-nums}
.courriel{font-family:'IBM Plex Mono',monospace;font-size:14.5px}
.courriel a{color:var(--indigo-txt);border-bottom:1px solid transparent;transition:border-color .2s}
.courriel a:hover{border-color:var(--indigo)}
.formulaire{display:grid;gap:20px}
.champ label{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gris);margin-bottom:8px}
.champ input,.champ textarea,.champ select{
  width:100%;background:#0B0F1B;border:1px solid #26304A;border-radius:12px;color:var(--noir);
  padding:14px 16px;font-family:'Instrument Sans',sans-serif;font-size:16px;transition:border-color .2s, box-shadow .2s;
}
.champ input:focus,.champ textarea:focus,.champ select:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.formulaire button{justify-self:start}

/* ═══ CTA section (bas des pages internes) ═══ */
.cta-section{padding:100px 0;text-align:center}
.cta-section h2{
  font-family:'Archivo',sans-serif;font-weight:780;font-stretch:80%;
  font-size:clamp(32px,4.5vw,56px);line-height:1;text-transform:uppercase;letter-spacing:-.015em;
  margin-bottom:24px;
}
.cta-section h2 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-section p{color:var(--gris);max-width:48ch;margin:0 auto 32px}

/* ═══ Pied ═══ */
footer{border-top:1px solid var(--brume);padding:52px 0 44px}
.footer-haut{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:34px}
.footer-nav{display:flex;gap:24px;flex-wrap:wrap;list-style:none}
.footer-nav a{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--gris);letter-spacing:.08em;text-transform:uppercase;transition:color .2s}
.footer-nav a:hover{color:var(--noir)}
.avis{font-size:12.5px;color:var(--gris);max-width:92ch;line-height:1.7}
.copyright{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--gris);margin-top:18px;letter-spacing:.06em}

/* ═══ Révélations ═══ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal.vu{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .orbe,.bande-piste{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ═══ Responsive ═══ */
@media (max-width:980px){
  .rangee{grid-template-columns:80px 1fr;gap:22px}
  .rangee .detail{grid-column:2}
  .frise{grid-template-columns:repeat(2,1fr);row-gap:44px}
  .contact-inner{grid-template-columns:1fr;gap:56px}
  .piliers{grid-template-columns:1fr;gap:28px}
  .apercu-grid{grid-template-columns:1fr}
  .apercu:nth-child(odd){border-right:none}
  .methode-bloc{grid-template-columns:60px 1fr;gap:22px}
}
@media (max-width:900px){
  .nav-toggle{z-index:75;display:block}
  nav ul{
    position:fixed;top:0;right:-100%;width:280px;height:100vh;
    background:rgba(7,10,18,.98);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    flex-direction:column;justify-content:center;
    gap:24px;padding:60px 40px;
    transition:right .35s ease;z-index:70;
  }
  nav ul.open{right:0}
  nav ul li{width:100%}
  nav ul li:not(:last-child){display:list-item}
  nav a{font-size:18px;display:block;padding:8px 0}
  .cta-nav{display:inline-block;margin-top:12px}
  .rangee{grid-template-columns:1fr}
  .rangee .detail{grid-column:1}
  .frise{grid-template-columns:1fr}
  .section,.contact,.manifeste{padding:80px 0}
  .page-hero{min-height:50vh;padding-top:110px}
}
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);
  z-index:65;opacity:0;transition:opacity .3s;
}
.nav-backdrop.show{display:block;opacity:1}

/* ═══ Ticker fixe (sticky top, sous la nav) ═══ */
.ticker-bar{
  position:fixed;top:68px;left:0;right:0;z-index:55;
  background:#070A12;
  border-bottom:1px solid var(--brume);
  overflow:hidden;height:42px;display:flex;align-items:center;
  contain:strict;
}
.ticker-track{
  display:flex;white-space:nowrap;animation:tickerScroll 60s linear infinite;
  gap:0;align-items:center;will-change:transform;backface-visibility:hidden;
}
.ticker-item{
  display:inline-flex;align-items:center;gap:6px;padding:0 20px;
  font-family:'IBM Plex Mono',monospace;font-size:13px;
  border-right:1px solid rgba(27,34,50,.5);
}
.ticker-item .sym{font-weight:500;color:var(--noir)}
.ticker-item .px{color:var(--gris);font-variant-numeric:tabular-nums}
.ticker-item .cat-crypto .sym{color:#06B6D4}
.ticker-item .cat-defi .sym{color:#4F46E5}
.ticker-item .cat-stable .sym{color:#8A94A9}
.ticker-item .cat-forex .sym{color:#10B981}
.ticker-item .cat-metal .sym{color:#F59E0B}
@keyframes tickerScroll{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}
.ticker-bar:hover .ticker-track{animation-play-state:paused}
@media(max-width:680px){
  .ticker-bar{height:36px;top:68px}
  .ticker-item{font-size:12px;padding:0 14px}
}
@media(prefers-reduced-motion:reduce){
  .ticker-track{animation:none}
}

/* ═══ Spacer pour ticker (évite que le contenu passe sous) ═══ */
body:has(.ticker-bar[style*="flex"]) .hero{padding-top:152px}
body:has(.ticker-bar[style*="flex"]) .page-hero{padding-top:172px}

/* ═══ Hamburger menu (mobile) ═══ */
.nav-toggle{
  display:none;
  background:none;border:none;cursor:pointer;
  width:44px;height:44px;position:relative;z-index:75;
}
.nav-toggle span{
  display:block;width:24px;height:2px;background:var(--noir);
  position:absolute;left:8px;transition:all .3s;
}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:25px}
.nav-toggle.open span:nth-child(1){transform:rotate(45deg);top:19px}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:rotate(-45deg);top:19px}
@media(max-width:900px){
  .nav-toggle{display:block}
}

/* ═══ Skip-link (accessibilité) ═══ */
.skip-link{position:absolute;top:0;left:0;background:var(--indigo);color:#fff;padding:10px 20px;z-index:100;transition:transform .2s;border-radius:0 0 8px 0;transform:translateY(-100%)}
.skip-link:focus{transform:translateY(0)}

/* ═══ Bande défilante .live ═══ */
.bande-piste .live{color:var(--indigo)}

/* ═══ Mobile perf — réduire GPU load ═══ */
@media(max-width:680px){
  .orbe{filter:blur(50px)!important;opacity:.3}
  .orbe.a{width:400px;height:400px}
  .orbe.b{width:340px;height:340px}
}