:root{
  --noir:#0A0A08;
  --noir-2:#141310;
  --ivoire:#F5F1E8;
  --ivoire-2:#EDE7D8;
  --champagne:#A9855A;
  --champagne-light:#CBAE84;
  --champagne-text:#7C5F3A;
  --pierre:#6B655A;
  --pierre-line:#DBD5C7;
  --ink:#17140F;
  --white:#FFFFFF;
  --bleu:#2C5CAF;
  --bleu-light:#7FA0D8;
  --bleu-deep:#122A52;
  --brand-gradient:linear-gradient(90deg, var(--bleu) 0%, var(--champagne) 100%);
  --max:1320px;
  --serif:'Fraunces', serif;
  --sans:'Archivo', sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--ivoire);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
img,video{max-width:100%;display:block;}
a{color:inherit;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px;}
@media(max-width:720px){ .wrap{padding:0 22px;} }
h1,h2,h3{font-family:var(--serif);font-weight:440;margin:0;color:var(--ink);line-height:1.06;}
p{margin:0;}
section{padding:150px 0;position:relative;}
@media(max-width:900px){ section{padding:96px 0;} }
.label{
  font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--champagne-text);
}
.num-index{
  font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--pierre);
}

/* reveal-on-scroll utility */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease), transform .9s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important;}
}

/* ---------- Header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:26px 0;
  transition:background .4s ease, border-color .4s ease, padding .4s ease;
  border-bottom:1px solid transparent;
}
header.scrolled{
  background:rgba(245,241,232,0.92);backdrop-filter:blur(10px);
  border-bottom-color:var(--pierre-line);padding:16px 0;
}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 40px;
  display:flex;align-items:center;justify-content:space-between;
}
@media(max-width:720px){ .header-inner{padding:0 22px;} }
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;position:relative;overflow:hidden;}
.brand img{height:32px;width:auto;position:relative;}
.brand::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(115deg, transparent, rgba(255,255,255,.6), transparent);
  transform:skewX(-20deg);transition:left .8s ease;pointer-events:none;
}
.brand:hover::after{left:130%;}
nav.main-nav{display:flex;align-items:center;gap:40px;}
.nav-links{display:flex;gap:36px;}
.nav-links a{
  font-size:13px;font-weight:500;letter-spacing:.03em;color:var(--ink);text-decoration:none;
  overflow:visible;position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:100%;height:1px;
  background:var(--brand-gradient);transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a span{
  display:inline-block;font-variation-settings:'wght' 400;
  transition:font-variation-settings .4s ease;
}
.nav-links a:hover span{font-variation-settings:'wght' 700;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-weight:600;font-size:13px;letter-spacing:.03em;
  padding:14px 26px;text-decoration:none;cursor:pointer;border:none;
  position:relative;overflow:hidden;
}
.btn-primary{
  background:var(--noir);color:var(--ivoire);
}
.btn-primary span, .btn-primary svg{position:relative;z-index:1;}
.btn-primary::before{
  content:"";position:absolute;inset:0;background:var(--champagne);
  transform:translateX(-101%);transition:transform .5s var(--ease);z-index:0;
}
.btn-primary:hover::before{transform:translateX(0);}
.btn-primary:hover{color:var(--noir);}
.btn-line{
  background:transparent;color:var(--ink);padding:14px 0;
  border-bottom:1px solid var(--ink);
}
.btn-line span{position:relative;}
.btn-line span::after{
  content:"";position:absolute;left:0;bottom:-15px;height:1px;width:100%;
  background:var(--champagne);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.btn-line:hover span::after{transform:scaleX(1);}
.btn-line-light{color:var(--ivoire);border-bottom-color:rgba(245,241,232,.45);}
.btn-line-light span::after{background:var(--champagne-light);}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:6px;}
.hamburger span{display:block;width:22px;height:1px;background:var(--ink);margin:6px 0;}
@media(max-width:860px){
  .nav-links{display:none;}
  .header-inner .btn-primary{display:none;}
  .hamburger{display:block;}
}
#mobile-menu{
  display:none;flex-direction:column;gap:2px;
  background:var(--ivoire);border-top:1px solid var(--pierre-line);padding:8px 22px 24px;
}
#mobile-menu.open{display:flex;}
#mobile-menu a{padding:14px 0;font-weight:500;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--pierre-line);}
#mobile-menu .btn{margin-top:16px;justify-content:center;}

/* ---------- HERO ---------- */
.hero{
  padding:0;min-height:100vh;display:flex;align-items:stretch;
}
.hero-frame{
  margin:96px 16px 16px;flex:1;
  border:1px solid var(--pierre-line);
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;
  padding:70px 0 60px;
}
@media(max-width:720px){ .hero-frame{margin:84px 10px 10px;padding:50px 0 40px;} }
.hero-bg-video{
  position:absolute;left:0;right:0;top:-6%;width:100%;height:112%;
  object-fit:cover;z-index:0;
  opacity:0;animation:mediareveal 1.4s var(--ease) .2s forwards;
  will-change:transform;
}
.hero-bg-overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(100deg, rgba(10,10,8,.82) 0%, rgba(10,10,8,.6) 40%, rgba(10,10,8,.28) 75%, rgba(10,10,8,.15) 100%),
    linear-gradient(0deg, rgba(10,10,8,.35) 0%, transparent 35%);
}
.giant-word{
  position:absolute;left:0;right:0;bottom:-2vw;z-index:2;
  font-family:var(--serif);font-style:italic;font-weight:340;
  font-size:clamp(90px,15vw,260px);color:transparent;
  -webkit-text-stroke:1px rgba(203,174,132,0.5);
  white-space:nowrap;pointer-events:none;line-height:1;
  letter-spacing:-0.02em;
  opacity:0;transition:opacity 1.4s ease 0.3s;
}
.giant-word.in{opacity:1;}
.hero-grid{
  position:relative;z-index:3;
  max-width:var(--max);margin:0 auto;padding:0 40px;width:100%;
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
}
@media(max-width:720px){ .hero-grid{padding:0 22px;gap:16px;} }
.hero-text{grid-column:1 / span 6;}
@media(max-width:900px){ .hero-text{grid-column:1 / span 12;} }
.hero-text .label{margin-bottom:22px;color:var(--champagne-light);}
.hero-text h1{
  font-size:clamp(32px,3.6vw,50px);font-weight:440;color:var(--ivoire);
}
.hero-line{display:block;overflow:hidden;}
.hero-line span{
  display:inline-block;transform:translateY(110%);
  animation:lineup .9s var(--ease) forwards;
}
.hero-text h1 .hero-line:nth-child(1) span{animation-delay:.15s;}
.hero-text h1 .hero-line:nth-child(2) span{animation-delay:.3s;}
.hero-text h1 .hero-line:nth-child(3) span{animation-delay:.45s;}
@keyframes lineup{to{transform:translateY(0);}}
.hero-sub{
  margin-top:26px;font-size:16.5px;line-height:1.7;color:#D9D3C4;max-width:42ch;
  opacity:0;animation:fadein 1s var(--ease) .7s forwards;
}
@keyframes fadein{to{opacity:1;}}
.hero-ctas{
  margin-top:40px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  opacity:0;animation:fadein 1s var(--ease) .85s forwards;
}
.hero-caption{
  position:absolute;right:40px;bottom:26px;z-index:3;
  display:flex;gap:18px;
  color:#D9D3C4;font-size:11.5px;letter-spacing:.05em;
}
@media(max-width:900px){ .hero-caption{display:none;} }
@keyframes mediareveal{to{opacity:1;}}
@media (prefers-reduced-motion: reduce){
  .hero-line span{animation:none;transform:none;}
  .hero-sub, .hero-ctas{animation:none;opacity:1;}
  .hero-bg-video{animation:none;opacity:1;}
}
.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;z-index:3;
  font-size:10.5px;letter-spacing:.14em;color:#C9C2B0;text-transform:uppercase;
}
.scroll-cue .stick{width:1px;height:34px;background:rgba(245,241,232,0.22);position:relative;overflow:hidden;}
.scroll-cue .stick i{
  position:absolute;left:0;top:-100%;width:100%;height:100%;background:var(--champagne);
  animation:scrollcue 2.2s ease-in-out infinite;
}
@keyframes scrollcue{ 0%{top:-100%;} 50%{top:0;} 100%{top:100%;} }
@media (prefers-reduced-motion: reduce){ .scroll-cue .stick i{animation:none;top:0;} }

/* ---------- Stats / preuve ---------- */
.stats{background:var(--ivoire);}
.section-head{max-width:640px;margin-bottom:72px;}
.section-head h2{font-size:clamp(28px,3vw,42px);font-weight:440;}
.section-head p{margin-top:18px;color:var(--pierre);font-size:16px;line-height:1.7;}
.stats-groups{display:grid;grid-template-columns:1fr 1fr;gap:72px;}
@media(max-width:900px){ .stats-groups{grid-template-columns:1fr;gap:64px;} }
.stats-group-label{display:block;margin-bottom:32px;}
.stats-more{margin-top:36px;}
.stats-row{
  display:grid;grid-template-columns:repeat(2,1fr);gap:32px;
}
.stat{
  padding:0 32px 0 0;border-left:1px solid var(--pierre-line);padding-left:32px;
}
.stat:first-child{border-left:none;padding-left:0;}
@media(max-width:900px){
  .stat{border-left:none;padding-left:0;}
  .stat:nth-child(2n){padding-left:32px;border-left:1px solid var(--pierre-line);}
}
@media(max-width:520px){
  .stats-row{grid-template-columns:1fr;gap:40px;}
  .stat, .stat:nth-child(2n){border-left:none;padding-left:0;}
}
.stat .num{
  font-family:var(--serif);font-weight:440;font-size:clamp(34px,3.6vw,52px);
  color:var(--ink);line-height:1;
}
.stat .label-small{margin-top:18px;font-size:13.5px;color:var(--pierre);line-height:1.6;}
.stat .tag{
  display:block;margin-top:14px;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--champagne-text);font-weight:600;
}

/* ---------- Système (timeline horizontale progressive) ---------- */
.systeme{background:var(--noir);color:var(--ivoire);overflow:hidden;}
.systeme .label{color:var(--champagne-light);}
.systeme .section-head h2{color:var(--ivoire);}
.systeme .section-head p{color:#B5AEA0;}
.sys-track{position:relative;padding-top:8px;}
.sys-line{
  position:relative;height:1px;background:rgba(245,241,232,0.14);margin-bottom:56px;
}
.sys-line-fill{
  position:absolute;left:0;top:0;height:1px;width:0%;background:var(--champagne);
  transition:width 1.4s var(--ease);
}
.sys-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;}
@media(max-width:900px){ .sys-steps{grid-template-columns:1fr;gap:44px;} }
.sys-step{cursor:default;}
.sys-step .si{
  font-family:var(--serif);font-size:15px;color:var(--champagne-light);margin-bottom:18px;
  display:block;
}
.sys-step h3{color:var(--ivoire);font-size:19px;font-weight:440;margin-bottom:14px;}
.sys-step ul{margin:0;padding:0;list-style:none;color:#9C9587;font-size:13.5px;line-height:1.75;}
.sys-note{
  margin-top:64px;padding-top:28px;border-top:1px solid rgba(245,241,232,0.14);
  font-size:14px;color:#B5AEA0;line-height:1.7;max-width:70ch;
}
.sys-note strong{color:var(--ivoire);font-weight:600;}

/* ---------- Case study ---------- */
.case{background:var(--ivoire);}
.case-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center;}
@media(max-width:900px){ .case-grid{grid-template-columns:1fr;gap:48px;} }
.case-visual{
  aspect-ratio:4/5;border:1px solid var(--pierre-line);
  display:flex;align-items:center;justify-content:center;text-align:center;
  background:
    repeating-linear-gradient(135deg, rgba(23,20,15,0.03) 0 2px, transparent 2px 18px);
  padding:40px;
}
.case-visual span{
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--pierre);
}
.case-content .label{margin-bottom:18px;}
.case-content h2{font-size:clamp(26px,2.8vw,36px);font-weight:440;margin-bottom:24px;}
.case-content p{color:var(--pierre);font-size:15.5px;line-height:1.75;max-width:52ch;}
.case-stats{display:flex;gap:48px;margin-top:40px;flex-wrap:wrap;}
.case-stats div .num{
  font-family:var(--serif);font-size:38px;font-weight:440;color:var(--ink);
}
.case-stats div .label-small{margin-top:8px;font-size:12.5px;color:var(--pierre);}
.case-content .btn-line{margin-top:40px;}

/* ---------- Pourquoi ---------- */
.why{background:var(--ivoire);}
.why-list{border-top:1px solid var(--pierre-line);}
.why-item{
  display:grid;grid-template-columns:80px 1fr 40px;align-items:center;
  padding:36px 0;border-bottom:1px solid var(--pierre-line);
  transition:padding-left .5s var(--ease);
}
.why-item:hover{padding-left:16px;}
.why-item .num-index{font-size:14px;}
.why-item h3{font-size:19px;font-weight:440;margin-bottom:6px;}
.why-item p{color:var(--pierre);font-size:14.5px;max-width:56ch;}
.why-item .arrow{
  font-family:var(--serif);font-style:italic;font-size:22px;
  background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:0;transform:translateX(-8px);transition:opacity .4s var(--ease), transform .4s var(--ease);
}
.why-item:hover .arrow{opacity:1;transform:none;}

/* ---------- Exclusivité ---------- */
.excl{background:var(--noir);color:var(--ivoire);text-align:center;padding:180px 0;overflow:hidden;}
.excl .wrap{max-width:900px;}
.excl .label{color:var(--champagne-light);display:block;margin-bottom:36px;}
.excl h2{
  font-size:clamp(28px,4vw,46px);font-style:italic;font-weight:340;line-height:1.35;color:var(--ivoire);
}
.excl h2 em{color:var(--champagne-light);font-style:italic;}
.excl p.small{margin-top:32px;color:#9C9587;font-size:14.5px;}

/* ---------- Word reveal (Text Reveal pattern) ---------- */
.word-reveal .wr, .word-reveal-manual .wr{
  display:inline-block;opacity:.16;transition:opacity .5s ease;
}
.word-reveal.in .wr, .word-reveal-manual.in .wr{opacity:1;}
@media (prefers-reduced-motion: reduce){
  .word-reveal .wr, .word-reveal-manual .wr{opacity:1!important;transition:none!important;}
}

/* ---------- Tilt (case study visual) ---------- */
.case-visual{transform-style:preserve-3d;transition:transform .15s ease-out;will-change:transform;}

/* ---------- Magnetic button ---------- */
.btn-magnetic{transition:transform .25s cubic-bezier(.22,.61,.36,1);}

/* ---------- Système: step activation as beam passes ---------- */
.sys-step{transition:opacity .4s ease;}
.sys-step .si{transition:color .4s ease;}
.sys-step.active .si{color:var(--champagne);}

/* ---------- Garantie ---------- */
.garantie{background:var(--ivoire);}
.g-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:60px;}
@media(max-width:900px){ .g-cols{grid-template-columns:1fr;gap:56px;} }
.g-col .g-tick{width:1px;background:var(--champagne);margin-bottom:24px;transition:height 1.1s var(--ease);}
.g-col:nth-child(1) .g-tick{height:0;}
.g-col:nth-child(2) .g-tick{height:0;}
.g-col:nth-child(3) .g-tick{height:0;}
.g-cols.in .g-col:nth-child(1) .g-tick{height:34px;}
.g-cols.in .g-col:nth-child(2) .g-tick{height:58px;}
.g-cols.in .g-col:nth-child(3) .g-tick{height:84px;background:linear-gradient(180deg, var(--champagne), var(--bleu));}
.g-col .label{margin-bottom:16px;}
.g-col h3{font-size:20px;font-weight:440;margin-bottom:16px;}
.g-col p{color:var(--pierre);font-size:14.5px;line-height:1.75;}

/* ---------- CTA final ---------- */
.cta-final{background:var(--ivoire);}
.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:start;}
@media(max-width:900px){ .cta-grid{grid-template-columns:1fr;gap:52px;} }
.cta-final h2{font-size:clamp(30px,3.6vw,44px);font-weight:440;}
.cta-final .section-head p{max-width:44ch;}
.cta-list{margin-top:36px;display:flex;flex-direction:column;gap:16px;}
.cta-list div{display:flex;gap:12px;align-items:baseline;font-size:14.5px;color:var(--pierre);}
.cta-list .dot{color:var(--champagne-text);}
.calendly-card{
  position:relative;overflow:hidden;border:1px solid var(--pierre-line);
  background:var(--ivoire);padding:14px;
}
.calendly-card .calendly-inline-widget{position:relative;z-index:1;}
.calendly-placeholder{
  position:relative;z-index:2;min-height:420px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:22px;padding:40px 24px;
}
.calendly-placeholder p{color:var(--pierre);font-size:14px;max-width:36ch;line-height:1.65;}
.calendly-placeholder-actions{display:flex;flex-direction:column;gap:14px;align-items:center;}

/* ---------- Cookie consent banner ---------- */
#cookie-banner{
  position:fixed;left:20px;right:20px;bottom:20px;z-index:400;max-width:680px;margin:0 auto;
  background:var(--noir);color:var(--ivoire);padding:24px 28px;
  border:1px solid rgba(245,241,232,.14);box-shadow:0 24px 60px rgba(0,0,0,.35);
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
  transform:translateY(160%);transition:transform .5s var(--ease);
}
#cookie-banner.visible{transform:none;}
#cookie-banner p{font-size:13px;line-height:1.65;color:#C9C2B0;flex:1;min-width:220px;margin:0;}
#cookie-banner a{color:var(--champagne-light);}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap;}
.cookie-actions .btn{padding:11px 20px;font-size:12.5px;}
#manage-cookies{
  background:none;border:none;padding:0;font:inherit;color:#837D70;text-decoration:underline;
  cursor:pointer;font-size:11.5px;
}
#manage-cookies:hover{color:var(--ivoire);}

/* ---------- Footer ---------- */
footer{background:var(--noir);color:#8C8579;padding:60px 0 34px;}
.footer-top{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;
  padding-bottom:34px;border-bottom:1px solid rgba(245,241,232,0.1);
}
.footer-brand img{height:28px;width:auto;filter:grayscale(1) brightness(1.35) contrast(1.1);opacity:.92;}
.footer-nav{display:flex;gap:28px;flex-wrap:wrap;}
.footer-nav a{color:#8C8579;text-decoration:none;font-size:13px;}
.footer-nav a:hover{color:var(--ivoire);}
.footer-bottom{
  margin-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:11.5px;color:#837D70;
}
.footer-legal{display:flex;gap:18px;flex-wrap:wrap;}
.footer-legal a{color:#837D70;text-decoration:underline;}
.footer-legal a:hover{color:var(--ivoire);}

/* ---------- Accessibility ---------- */
.skip-link{
  position:fixed;top:-60px;left:16px;z-index:1000;background:var(--noir);color:var(--ivoire);
  padding:12px 22px;font-size:13px;font-weight:600;text-decoration:none;transition:top .3s var(--ease);
  border-radius:2px;
}
.skip-link:focus{top:16px;}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--champagne);outline-offset:3px;
}

/* ---------- Preloader ---------- */
#preloader{
  position:fixed;inset:0;z-index:9999;background:var(--noir);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .7s var(--ease), visibility .7s var(--ease);
}
#preloader img{
  width:min(180px,38vw);opacity:0;transform:scale(.92);
  animation:preloaderIn 1s var(--ease) .15s forwards;
  filter:drop-shadow(0 0 40px rgba(169,133,90,.35));
}
#preloader.hide{opacity:0;visibility:hidden;pointer-events:none;}
@keyframes preloaderIn{to{opacity:1;transform:scale(1);}}
@media (prefers-reduced-motion: reduce){ #preloader{display:none;} }

/* ---------- Scroll progress ---------- */
#scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:var(--brand-gradient);z-index:300;
}

/* ---------- Custom cursor ---------- */
html.has-cursor, html.has-cursor body{cursor:none;}
#cursor-ring{
  position:fixed;top:0;left:0;width:32px;height:32px;border:1px solid var(--champagne-light);
  border-radius:50%;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);
  transition:width .25s var(--ease), height .25s var(--ease), border-color .25s ease;
  mix-blend-mode:difference;
}
#cursor-ring.big{width:60px;height:60px;border-color:var(--bleu-light);}
#cursor-dot{
  position:fixed;top:0;left:0;width:5px;height:5px;background:var(--champagne);
  border-radius:50%;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);
}
@media (hover:none), (pointer:coarse){ #cursor-ring, #cursor-dot{display:none;} }

/* ---------- Grain texture ---------- */
.grain{
  position:absolute;inset:0;pointer-events:none;opacity:.05;mix-blend-mode:overlay;z-index:1;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Ambient glow blobs ---------- */
.glow{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:0;opacity:.55;animation:drift 16s ease-in-out infinite;}
.glow-gold{background:radial-gradient(circle, rgba(169,133,90,.55), transparent 70%);}
.glow-blue{background:radial-gradient(circle, rgba(44,92,175,.5), transparent 70%);}
@keyframes drift{0%,100%{transform:translate(0,0);}50%{transform:translate(28px,-22px);}}
@media (prefers-reduced-motion: reduce){ .glow{animation:none;} }

/* ---------- Hero particles ---------- */
.hero-particles{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden;}
.hero-particles span{
  position:absolute;bottom:-10px;border-radius:50%;background:var(--champagne-light);opacity:0;
  animation:particleUp linear infinite;
}
@keyframes particleUp{
  0%{opacity:0;transform:translateY(0) scale(.6);}
  12%{opacity:.7;}
  88%{opacity:.35;}
  100%{opacity:0;transform:translateY(-92vh) scale(1);}
}
@media (prefers-reduced-motion: reduce){ .hero-particles{display:none;} }

/* ---------- Comet head on système progress line ---------- */
.sys-comet{
  position:absolute;top:-3px;width:7px;height:7px;border-radius:50%;background:var(--champagne-light);
  box-shadow:0 0 12px 3px rgba(203,174,132,.8), 0 0 22px 6px rgba(44,92,175,.35);
  left:0;transition:left 1.4s var(--ease);
}

/* ---------- Growth chart (case study visual) ---------- */
.chart-card{
  background:linear-gradient(180deg, var(--ivoire) 0%, var(--ivoire-2) 100%);
  padding:36px;display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;text-align:left;
  position:relative;
}
.chart-card .chart-cap{
  font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--pierre);margin-bottom:24px;
}
.chart-card .chart-hint{text-transform:none;letter-spacing:0;color:var(--pierre);opacity:.75;}
.chart-card svg{width:100%;height:auto;display:block;overflow:visible;}
.chart-line{
  fill:none;stroke:url(#chartGrad);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:440;stroke-dashoffset:440;transition:stroke-dashoffset 1.6s var(--ease);
}
.chart-card.in .chart-line{stroke-dashoffset:0;}
.chart-fill{opacity:0;transition:opacity 1.2s ease .6s;}
.chart-card.in .chart-fill{opacity:1;}
.chart-point{
  fill:var(--ivoire);stroke:var(--champagne);stroke-width:2;
  opacity:0;transform:scale(0);transform-box:fill-box;transform-origin:center;
  transition:opacity .4s ease, transform .4s var(--ease), fill .2s ease, stroke .2s ease, r .2s ease;
}
.chart-card.in .chart-point{opacity:1;transform:scale(1);}
.chart-points circle:nth-child(1){transition-delay:.2s;}
.chart-points circle:nth-child(2){transition-delay:.65s;}
.chart-points circle:nth-child(3){transition-delay:1.05s;}
.chart-points circle:nth-child(4){transition-delay:1.5s;}
.chart-point.active{fill:var(--champagne);stroke:var(--bleu);r:6.5;}
.chart-hit{fill:transparent;cursor:pointer;outline:none;}
.chart-hit:focus-visible{fill:rgba(44,92,175,.08);}
.chart-foot{display:flex;justify-content:space-between;margin-top:16px;font-size:11px;color:var(--pierre);letter-spacing:.04em;}

/* ---------- Growth chart tooltip ---------- */
.chart-tooltip{
  position:absolute;left:0;top:0;pointer-events:none;z-index:6;min-width:190px;
  background:var(--noir);color:var(--ivoire);padding:16px 18px;
  transform:translate(-50%,calc(-100% - 14px));
  opacity:0;visibility:hidden;transition:opacity .2s ease;
}
.chart-tooltip.visible{opacity:1;visibility:visible;}
.chart-tooltip .tt-title{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--champagne-light);margin-bottom:8px;}
.chart-tooltip .tt-views{font-family:var(--serif);font-size:24px;color:var(--ivoire);margin-bottom:10px;line-height:1;}
.chart-tooltip .tt-row{display:flex;justify-content:space-between;gap:16px;color:#B5AEA0;font-size:12px;}
.chart-tooltip .tt-row + .tt-row{margin-top:5px;}
.chart-tooltip .tt-delta{color:var(--champagne-light);font-weight:600;white-space:nowrap;}

/* ---------- CTA arrow icon ---------- */
.btn-arrow{display:inline-flex;transition:transform .3s var(--ease);}
.btn:hover .btn-arrow{transform:translate(3px,-3px);}

/* ---------- Footer social ---------- */
.footer-social{display:flex;gap:14px;}
.footer-social a{
  width:36px;height:36px;border:1px solid rgba(245,241,232,.16);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#8C8579;
  transition:border-color .3s ease, color .3s ease, transform .3s var(--ease);
}
.footer-social a:hover{border-color:var(--champagne);color:var(--ivoire);transform:translateY(-3px);}
.footer-social svg{width:16px;height:16px;}

/* ---------- Active nav item ---------- */
.nav-links a[aria-current="page"]::after{transform:scaleX(1);}

/* ---------- Primary button on dark backgrounds ---------- */
.btn-on-dark{background:var(--ivoire);color:var(--noir);}
.btn-on-dark::before{background:var(--champagne-light);}

/* ---------- Landing: featured client case ---------- */
.feature{
  position:relative;overflow:hidden;isolation:isolate;
  background:var(--noir);color:var(--ivoire);
  display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;
  padding:72px 64px;margin-bottom:112px;
}
@media(max-width:1000px){ .feature{grid-template-columns:1fr;gap:48px;padding:48px 28px;} }
@media(max-width:520px){ .feature{padding:40px 20px;margin-bottom:80px;} }
.feature-copy, .feature-shots{position:relative;z-index:2;}
.feature .label{color:var(--champagne-light);}
.feature h3{font-size:clamp(22px,2.4vw,30px);font-weight:440;color:var(--ivoire);margin-top:16px;line-height:1.25;max-width:28ch;}
.feature-note{margin-top:14px;color:#B5AEA0;font-size:14.5px;line-height:1.7;max-width:48ch;}
.feature-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px;padding-top:30px;
  border-top:1px solid rgba(245,241,232,.16);
}
@media(max-width:520px){ .feature-stats{grid-template-columns:1fr;gap:22px;} }
.feature-stats .num{font-family:var(--serif);font-size:clamp(26px,2.6vw,36px);line-height:1;color:var(--ivoire);}
.feature-stats .label-small{margin-top:10px;font-size:12.5px;line-height:1.5;color:#B5AEA0;}
.feature-cta{margin-top:40px;display:flex;flex-wrap:wrap;gap:22px 28px;align-items:center;}

/* before -> after figure */
.flow{display:flex;align-items:center;gap:clamp(12px,2vw,26px);flex-wrap:wrap;margin:32px 0 10px;}
.flow .from{font-family:var(--serif);font-weight:340;font-size:clamp(30px,3.6vw,50px);color:#8C8579;line-height:1;}
.flow-arrow{width:clamp(34px,4.4vw,60px);height:auto;flex:none;}
.flow .to{
  font-family:var(--serif);font-weight:440;font-size:clamp(54px,7.4vw,108px);line-height:.95;letter-spacing:-.02em;
  background:linear-gradient(95deg, var(--champagne-light) 10%, #F7E9CC 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.flow-unit{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--champagne-light);}

/* screenshots */
.feature-shots{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;}
@media(max-width:1000px){ .feature-shots{max-width:560px;margin:0 auto;width:100%;} }
.feature-shots figure{margin:0;}
.feature-shots figure:nth-child(2){margin-top:56px;}
.shot-frame{
  display:block;border-radius:20px;overflow:hidden;border:1px solid rgba(245,241,232,.2);
  background:#fff;box-shadow:0 36px 70px rgba(0,0,0,.5);transition:transform .6s var(--ease);
}
.feature-shots figure:hover .shot-frame{transform:translateY(-6px);}
.shot-frame img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:top;}
.case-content p a{color:var(--champagne-text);text-underline-offset:3px;}
.feature-shots figcaption{margin-top:14px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--champagne-light);}
.feature-shots figcaption strong{display:block;margin-top:4px;font-family:var(--serif);font-size:20px;letter-spacing:0;text-transform:none;font-weight:440;color:var(--ivoire);}

/* ---------- Results page ---------- */
.page-hero{padding:190px 0 96px;position:relative;overflow:hidden;}
@media(max-width:900px){ .page-hero{padding:150px 0 72px;} }
.page-hero .wrap{position:relative;z-index:2;}
.page-hero h1{font-size:clamp(38px,5.6vw,80px);line-height:1.02;max-width:15ch;margin-top:22px;letter-spacing:-.015em;}
.page-hero h1 em{font-style:italic;font-weight:340;color:var(--champagne-text);}
.page-lead{margin-top:30px;max-width:54ch;font-size:17px;line-height:1.75;color:var(--pierre);}
.page-anchors{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:52px;}
.page-anchors a{
  display:flex;gap:10px;align-items:baseline;font-size:13.5px;font-weight:500;color:var(--ink);
  text-decoration:none;padding-bottom:8px;border-bottom:1px solid var(--pierre-line);transition:border-color .3s ease;
}
.page-anchors a span{font-size:11.5px;letter-spacing:.1em;color:var(--champagne-text);font-weight:600;}
.page-anchors a:hover{border-bottom-color:var(--champagne);}

.res-section{padding:130px 0;position:relative;overflow:hidden;scroll-margin-top:40px;}
@media(max-width:900px){ .res-section{padding:88px 0;} }
.res-section .wrap{position:relative;z-index:2;}
.res-dark{background:var(--noir);color:var(--ivoire);}
.res-dark .label{color:var(--champagne-light);}
.res-dark h2{color:var(--ivoire);}
.res-alt{background:var(--ivoire-2);}
.res-head{max-width:760px;margin-bottom:64px;}
.res-head h2{font-size:clamp(28px,3.6vw,50px);margin-top:18px;line-height:1.1;}
.res-head p{margin-top:22px;font-size:16.5px;line-height:1.75;color:var(--pierre);max-width:60ch;}
.res-dark .res-head p{color:#B5AEA0;}
.res-link{margin-top:56px;}

/* KPI grids */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:48px 36px;}
.kpis-3{grid-template-columns:repeat(3,1fr);}
@media(max-width:1000px){ .kpis, .kpis-3{grid-template-columns:repeat(2,1fr);} }
@media(max-width:520px){ .kpis, .kpis-3{grid-template-columns:1fr;gap:36px;} }
.kpis + .kpis{margin-top:56px;}
.kpi{border-top:1px solid var(--pierre-line);padding-top:24px;}
.kpi .num{font-family:var(--serif);font-weight:440;font-size:clamp(34px,3.6vw,54px);line-height:1;color:var(--ink);}
.kpi .label-small{margin-top:14px;font-size:14px;line-height:1.55;color:var(--pierre);}
.kpi .delta{display:inline-block;margin-top:12px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;color:var(--champagne-text);}
.res-dark .kpi{border-top-color:rgba(245,241,232,.18);}
.res-dark .kpi .num{color:var(--ivoire);}
.res-dark .kpi .label-small{color:#B5AEA0;}
.res-dark .kpi .delta{color:var(--champagne-light);}

/* hero figure of the featured case */
.res-flow{margin:0 0 72px;}

/* team accounts */
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;}
@media(max-width:900px){ .team-grid{grid-template-columns:1fr;gap:64px;} }
.team-col h3{font-size:24px;font-weight:440;}
.team-col .period{display:block;margin:8px 0 32px;font-size:12.5px;color:var(--pierre);}
.team-col .kpis{grid-template-columns:repeat(2,1fr);gap:40px 28px;}
@media(max-width:520px){ .team-col .kpis{grid-template-columns:1fr;} }

/* screenshot gallery */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:64px 44px;margin-top:104px;}
@media(max-width:1000px){ .shots{grid-template-columns:repeat(2,1fr);gap:48px 28px;} }
@media(max-width:640px){
  .shots{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:18px;margin:72px -22px 0;padding:6px 22px 22px;scrollbar-width:none;}
  .shots::-webkit-scrollbar{display:none;}
  .shot-card{flex:0 0 78%;scroll-snap-align:center;}
}
.shot-card{margin:0;align-self:start;}
.shot-open{
  position:relative;display:block;width:100%;padding:0;cursor:zoom-in;overflow:hidden;
  border:1px solid rgba(245,241,232,.22);border-radius:22px;background:#fff;
  box-shadow:0 36px 70px rgba(0,0,0,.5);transition:transform .6s var(--ease), border-color .3s ease;
}
.shot-open:hover{transform:translateY(-8px);border-color:var(--champagne-light);}
.shot-open img{display:block;width:100%;height:auto;}
.shot-open.crop img{aspect-ratio:9/17;object-fit:cover;object-position:top;}
.shot-zoom{
  position:absolute;right:12px;bottom:12px;display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:99px;
  background:rgba(10,10,8,.82);color:var(--ivoire);font-size:11px;font-weight:600;letter-spacing:.04em;
  opacity:0;transform:translateY(6px);transition:opacity .3s ease, transform .3s var(--ease);
}
.shot-open:hover .shot-zoom, .shot-open:focus-visible .shot-zoom{opacity:1;transform:none;}
@media(hover:none){ .shot-zoom{opacity:1;transform:none;} }
.shot-card figcaption{margin-top:22px;}
.shot-card figcaption span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--champagne-light);}
.shot-card figcaption h3{margin-top:8px;font-size:19px;font-weight:440;color:var(--ivoire);line-height:1.3;}
.shot-card figcaption p{margin-top:8px;font-size:13.5px;line-height:1.65;color:#B5AEA0;}

/* lightbox (native <dialog>) */
.lightbox{padding:0;border:0;background:transparent;color:var(--ivoire);width:min(94vw,520px);max-width:94vw;overflow:visible;}
.lightbox::backdrop{background:rgba(10,10,8,.88);backdrop-filter:blur(8px);}
.lightbox-inner{position:relative;}
.lightbox img{display:block;width:auto;max-width:100%;max-height:78vh;margin:0 auto;border-radius:18px;background:#fff;}
.lightbox-cap{margin:18px auto 0;max-width:46ch;text-align:center;font-size:13.5px;line-height:1.6;color:#C9C2B0;}
.lightbox-close{
  position:absolute;top:-18px;right:-4px;width:38px;height:38px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(245,241,232,.3);background:rgba(10,10,8,.9);color:var(--ivoire);
  font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:border-color .3s ease, transform .3s var(--ease);
}
.lightbox-close:hover{border-color:var(--champagne-light);transform:rotate(90deg);}
body:has(.lightbox[open]){overflow:hidden;}

/* closing call to action */
.res-cta{padding:140px 0;text-align:center;}
@media(max-width:900px){ .res-cta{padding:96px 0;} }
.res-cta h2{font-size:clamp(30px,4vw,56px);max-width:18ch;margin:18px auto 0;line-height:1.08;}
.res-cta p{max-width:52ch;margin:24px auto 0;color:var(--pierre);font-size:16.5px;line-height:1.75;}
.res-cta-actions{margin-top:44px;display:flex;justify-content:center;gap:22px 32px;flex-wrap:wrap;align-items:center;}
.res-note{margin-top:48px;max-width:60ch;font-size:14.5px;line-height:1.7;color:var(--pierre);}
.lightbox, .lightbox-inner{cursor:auto;}
.lightbox-close{cursor:pointer;}

/* screenshot gallery on a light section */
.res-alt .shots{margin-top:88px;}
@media(min-width:641px){ .res-alt .shots{grid-template-columns:repeat(2,minmax(0,380px));justify-content:center;gap:56px 72px;} }
.res-alt .shot-open{border-color:var(--pierre-line);box-shadow:0 30px 60px rgba(23,20,15,.16);}
.res-alt .shot-open:hover{border-color:var(--champagne);}
.res-alt .shot-card figcaption span{color:var(--champagne-text);}
.res-alt .shot-card figcaption h3{color:var(--ink);}
.res-alt .shot-card figcaption p{color:var(--pierre);}