/* Xpansio v3 : composition centrée, sections en bandeaux alternés (blanc / gris clair / encre), deux accents qui codent les deux métiers. */
:root{
  --bg:#FFFFFF;
  --surface:#F6F5F2;
  --ink:#0B1017;
  --ink-2:#2B3341;
  --muted:#5E5C56;
  --line:#E6E3DC;
  --line-strong:#D2CEC4;
  --channel:#2F45F5;
  --channel-soft:#EDEFFF;
  --channel-text:#2132C4;
  --client:#F2552C;
  --client-soft:#FFEFE9;
  --client-text:#B23A14;
  --on-ink:#FFFFFF;
  --on-ink-muted:#A5AFBE;
  --font:"Montserrat",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1160px;
  --narrow:760px;
  --radius:16px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.75;letter-spacing:.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:100;background:var(--bg)}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--channel);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{margin:0;font-weight:600;text-wrap:balance}
p{margin:0}
ul,dl{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
@media (max-width:520px){.wrap{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}}

/* ---------- Typographie ---------- */
.label{font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);line-height:1.4}
.label.ch{color:var(--channel)}
.label.cl{color:var(--client)}
.h1{font-size:clamp(2.3rem,5.4vw,4.1rem);line-height:1.12;letter-spacing:-.025em}
.h2{font-size:clamp(1.75rem,3.2vw,2.6rem);line-height:1.2;letter-spacing:-.02em}
.lead{font-size:clamp(1.02rem,1.3vw,1.14rem);line-height:1.8;color:var(--muted);max-width:60ch;margin-inline:auto}
.muted{color:var(--muted)}
.c-ch{color:var(--channel)}
.c-cl{color:var(--client)}
.todo{background:#FFF6CC;color:#594800;border:1px dashed #D4AE00;padding:0 .4em;border-radius:4px;font-weight:500}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;border-radius:999px;font:600 .88rem/1 var(--font);letter-spacing:.02em;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,color .2s;white-space:nowrap}
.btn svg{width:16px;height:16px;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--channel)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--ink)}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:var(--surface)}
.btn-sm{height:42px;padding:0 18px;font-size:.84rem}
@media (max-width:520px){.btn{white-space:normal;text-align:center;line-height:1.3;height:auto;min-height:48px;padding:12px 22px}.btn-sm{min-height:42px;padding:10px 18px}}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.88rem;letter-spacing:.02em;text-decoration:none}
.link svg{width:15px;height:15px;transition:transform .2s}
.link:hover svg{transform:translateX(3px)}
.ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* ---------- En-tête + menu déroulant ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:90;background:rgba(246,245,242,.94);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.top-bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:16px;transition:height .35s cubic-bezier(.2,.7,.2,1)}
.top.scrolled .top-bar{height:60px}
.top{transition:box-shadow .35s}
.top.scrolled{box-shadow:0 10px 30px -22px rgba(11,16,23,.35)}
.menu-btn{justify-self:start;display:inline-flex;align-items:center;gap:10px;height:42px;padding:0 16px 0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font:600 .78rem/1 var(--font);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;color:var(--ink);transition:border-color .2s}
.menu-btn:hover{border-color:var(--ink)}
.menu-btn .bars{width:16px;height:11px;position:relative;flex:none}
.menu-btn .bars i{position:absolute;left:0;right:0;height:1.6px;background:currentColor;border-radius:2px;transition:transform .25s,top .25s,opacity .2s}
.menu-btn .bars i:nth-child(1){top:0}.menu-btn .bars i:nth-child(2){top:4.7px}.menu-btn .bars i:nth-child(3){top:9.4px}
.menu-btn[aria-expanded="true"] .bars i:nth-child(1){top:4.7px;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] .bars i:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] .bars i:nth-child(3){top:4.7px;transform:rotate(-45deg)}
.brand{justify-self:center}
.brand{display:grid;place-items:center}
.brand img{grid-area:1/1;height:30px;width:auto;transition:opacity .35s ease,transform .45s cubic-bezier(.2,.7,.2,1)}
.brand .mark{height:34px;opacity:0;transform:scale(.6) rotate(-90deg)}
.top.scrolled .brand .full{opacity:0;transform:scale(.85)}
.top.scrolled .brand .mark{opacity:1;transform:none}
.top-right{justify-self:end}
@media (max-width:640px){.top-right .btn{display:none}.menu-btn .txt{display:none}.menu-btn{padding:0 13px}}

.drop{border-top:1px solid var(--line);background:#fff;box-shadow:0 30px 60px -30px rgba(11,16,23,.25);max-height:calc(100vh - 72px);overflow-y:auto}
.drop[hidden]{display:none!important}
.drop .wrap{padding-block:36px 40px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:24px 48px}
@media (max-width:760px){.drop .wrap{grid-template-columns:1fr;padding-block:20px 28px}}
.drop-col{display:grid;gap:14px;align-content:start}
.drop-pages a{display:flex;justify-content:space-between;align-items:center;padding:14px 2px;border-bottom:1px solid var(--line);text-decoration:none;font-size:1.2rem;font-weight:500;letter-spacing:-.01em;line-height:1.3}
.drop-pages a svg{width:18px;height:18px;opacity:.3;transition:transform .2s,opacity .2s}
.drop-pages a:hover svg{opacity:1;transform:translateX(4px)}
.drop-pages a[aria-current="page"]{color:var(--channel)}
.drop-exp{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:520px){.drop-exp{grid-template-columns:1fr}}
.drop-exp a{display:grid;gap:10px;align-content:start;padding:22px;border-radius:var(--radius);text-decoration:none;transition:transform .2s}
.drop-exp a:hover{transform:translateY(-2px)}
.drop-exp a.ch{background:var(--channel-soft)}
.drop-exp a.cl{background:var(--client-soft)}
.drop-exp .ico{width:40px;height:40px;border-radius:12px}
.drop-exp .ico svg{width:18px;height:18px}
.drop-exp strong{font-size:1.02rem;font-weight:600;line-height:1.3}
.drop-exp span.d{font-size:.82rem;color:var(--muted);line-height:1.6}

/* ---------- Sections ---------- */
.band{padding-block:clamp(80px,10vw,128px)}
section[id]{scroll-margin-top:60px}
.band.alt{background:var(--surface);border-block:1px solid var(--line)}
.band.ink{background:var(--ink);color:var(--on-ink);position:relative;overflow:hidden}
.head{display:grid;gap:18px;justify-items:center;text-align:center;max-width:var(--narrow);margin:0 auto clamp(48px,5vw,68px)}
.below{display:flex;justify-content:center;margin-top:clamp(40px,5vw,56px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;text-align:center;background:var(--surface)}
.hero .wrap{position:relative;padding-block:clamp(64px,8vw,96px) 0;display:grid;gap:28px;justify-items:center}
.hero h1{max-width:24ch;font-size:clamp(1.85rem,3.1vw,2.6rem);line-height:1.06;letter-spacing:-.032em;font-weight:600}
.hero h1>span+span{margin-top:.08em}
@media (min-width:1000px){.hero h1{max-width:none}.hero h1>span{white-space:nowrap}}
.hero h1 span{display:block}
.hero h1 em{font-style:normal;color:#8A8780}
/* Entrée du haut de l'accueil : le texte monte ligne par ligne */
.hero .wrap>*{animation:riseIn .8s cubic-bezier(.2,.7,.2,1) both}
.hero .wrap>.label{animation-delay:.05s}
.hero h1{animation:none!important}
.hero h1>span{animation:riseIn .9s cubic-bezier(.2,.7,.2,1) both}
.hero h1>span:nth-child(1){animation-delay:.12s}.hero h1>span:nth-child(2){animation-delay:.24s}
.hero .wrap>.lead{animation-delay:.36s}.hero .wrap>.ctas{animation-delay:.46s}
.hero h1 em{background:linear-gradient(90deg,#8A8780 0%,#8A8780 40%,#C9C4BA 50%,#8A8780 60%,#8A8780 100%);background-size:250% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:sheen 2.4s 1s ease-in-out both}
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes sheen{from{background-position:100% 0}to{background-position:0 0}}
@media (prefers-reduced-motion:reduce){.hero .wrap>*,.hero h1>span,.hero h1 em{animation:none}}

/* Chaîne de valeur */
.chain-wrap{width:100%;max-width:980px;margin-top:clamp(36px,5vw,56px)}
.band .chain-wrap{margin:0 auto}
.chain{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));column-gap:14px;row-gap:14px}
.span{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;font-weight:500;white-space:nowrap}
.span::before,.span::after{content:"";flex:1;height:2px;border-radius:2px;background:currentColor}
.span.ch{grid-column:1/4;grid-row:1;color:var(--channel)}
.span.cl{grid-column:3/5;grid-row:3;color:var(--client)}
.node{grid-row:2;position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 14px;display:grid;gap:4px;text-align:center}
.node:nth-of-type(1){grid-column:1}.node:nth-of-type(2){grid-column:2}.node:nth-of-type(3){grid-column:3}.node:nth-of-type(4){grid-column:4}
.node b{font-size:.9rem;font-weight:600;line-height:1.35}
.node small{font-size:.76rem;color:var(--muted);line-height:1.5}
.node .k{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;color:var(--muted)}
.track{display:block;grid-row:2;grid-column:1/5;align-self:center;height:1px;background:var(--line-strong);position:relative}
.track i{position:absolute;top:-3px;width:7px;height:7px;border-radius:50%;background:var(--channel);animation:flow 7s linear infinite}
.track i:nth-child(2){animation-delay:-2.4s;background:var(--client)}
.track i:nth-child(3){animation-delay:-4.8s}
@keyframes flow{from{left:0}to{left:calc(100% - 7px)}}
.chain-legend{display:none;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:18px}
@media (max-width:760px){
  .chain{grid-template-columns:12px minmax(0,1fr) 12px;column-gap:12px;row-gap:10px}
  .node:nth-of-type(1){grid-row:1;grid-column:2}.node:nth-of-type(2){grid-row:2;grid-column:2}.node:nth-of-type(3){grid-row:3;grid-column:2}.node:nth-of-type(4){grid-row:4;grid-column:2}
  .span{font-size:0;gap:0;flex-direction:column}
  .span::before{display:none}
  .span::after{width:2px;height:auto}
  .span.ch{grid-column:1;grid-row:1/4}
  .span.cl{grid-column:3;grid-row:3/5}
  .track{display:none}
  .chain-legend{display:flex}
}

/* ---------- Cartes expertises ---------- */
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media (max-width:860px){.duo{grid-template-columns:1fr;max-width:560px;margin-inline:auto}}
.xcard{display:grid;gap:20px;justify-items:center;text-align:center;align-content:start;padding:clamp(32px,4vw,52px) clamp(24px,3.5vw,44px);border-radius:22px;text-decoration:none;transition:transform .25s,box-shadow .25s}
.xcard.ch{background:var(--channel-soft)}
.xcard.cl{background:var(--client-soft)}
.xcard:hover{transform:translateY(-3px);box-shadow:0 28px 60px -34px rgba(11,16,23,.35)}
.xcard h3{font-size:clamp(1.5rem,2.4vw,1.85rem);line-height:1.2;letter-spacing:-.02em}
.xcard p{color:var(--ink-2);max-width:44ch;line-height:1.75}
.xcard .for{font-size:.86rem;color:var(--muted);max-width:44ch;line-height:1.7}
.xcard .for b{color:var(--ink);font-weight:600}
.ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:#fff;flex:none}
.ico svg{width:22px;height:22px}
.ico.ch{color:var(--channel)}
.ico.cl{color:var(--client)}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.chip{font-size:.78rem;font-weight:500;letter-spacing:.01em;padding:7px 14px;border-radius:999px;background:#fff;color:var(--ink-2);line-height:1.4}

/* ---------- Chiffres ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{display:grid;gap:12px;justify-items:center;text-align:center;padding:8px 20px;align-content:start}
.stat+.stat{border-left:1px solid var(--line-strong)}
.stat .v{font-size:clamp(2.2rem,4vw,3.1rem);font-weight:600;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.stat .l{font-size:.86rem;color:var(--muted);line-height:1.6;max-width:22ch}
@media (max-width:860px){.stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:44px}.stat:nth-child(3){border-left:0}}
@media (max-width:440px){.stats{grid-template-columns:1fr;row-gap:0}.stat{padding:28px 0}.stat+.stat{border-left:0;border-top:1px solid var(--line-strong)}}

/* ---------- Méthode ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;position:relative}
@media (max-width:860px){.steps{grid-template-columns:1fr;gap:44px}}
@media (min-width:861px){.steps::before{content:"";position:absolute;top:28px;left:16.7%;right:16.7%;height:1px;background:var(--line-strong)}}
.step{position:relative;display:grid;gap:16px;justify-items:center;text-align:center;align-content:start}
.step .n{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:.86rem;font-weight:500;border:1px solid var(--line-strong);background:#fff}
.step h3{font-size:1.3rem;line-height:1.3;letter-spacing:-.015em}
.step ul{display:grid;gap:6px;font-size:.92rem;color:var(--muted);line-height:1.6}
.step p{font-size:.95rem;color:var(--muted);line-height:1.7;max-width:30ch}

/* ---------- Projets (aperçu) ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:960px){.pgrid{grid-template-columns:1fr;max-width:520px;margin-inline:auto}}
.pcard{background:#fff;border-radius:var(--radius);padding:34px 28px;display:grid;gap:16px;justify-items:center;text-align:center;align-content:start}
.band:not(.alt) .pcard{border:1px solid var(--line)}
.tag{font-family:var(--mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;padding:6px 12px;border-radius:999px;line-height:1.4}
.tag.cl{background:var(--client-soft);color:var(--client-text)}
.tag.ch{background:var(--channel-soft);color:var(--channel-text)}
.pcard .who{font-size:.78rem;color:var(--muted);font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.pcard h3{font-size:1.15rem;line-height:1.35;letter-spacing:-.01em}
.pcard p{color:var(--muted);font-size:.9rem;line-height:1.7}
/* Réalisations de l'accueil : un filet de couleur code le métier (bleu = channel, corail = client) */
.rcard{border-top:3px solid transparent}
.rcard.ch{border-top-color:var(--channel)}
.rcard.cl{border-top-color:var(--client)}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;width:100%;border-top:1px solid var(--line);padding-top:22px;margin-top:4px}
.kpi{text-align:center}
.kpi .v{font-size:1.8rem;font-weight:600;letter-spacing:-.025em;line-height:1;white-space:nowrap;font-variant-numeric:tabular-nums}
.kpi .l{font-size:.76rem;color:var(--muted);line-height:1.5;margin-top:8px}

/* ---------- À propos ---------- */
.about{display:grid;gap:26px;justify-items:center;text-align:center}
.portrait{width:212px;height:212px;border-radius:50%;overflow:hidden;background:var(--surface);box-shadow:0 0 0 8px #fff,0 0 0 9px var(--line)}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;filter:grayscale(1)}
.sign{display:grid;gap:2px;line-height:1.5}
.sign b{font-weight:600;font-size:clamp(1.35rem,2vw,1.6rem);letter-spacing:-.01em;line-height:1.25}
.sign span{font-size:.9rem;color:var(--muted)}
.bio{display:grid;gap:16px;max-width:64ch;color:var(--ink-2);line-height:1.8}
.bio .conviction{color:var(--ink);font-weight:500}
.bio .conviction b{font-weight:600}
.timeline{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:760px}
.timeline span{font-size:.78rem;font-weight:500;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;line-height:1.4}
.pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;width:100%;margin-top:24px;padding-top:44px;border-top:1px solid var(--line)}
@media (max-width:860px){.pillars{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.pillars{grid-template-columns:1fr}}
.pillars div{display:grid;gap:8px;justify-items:center}
.pillars b{font-weight:600;line-height:1.4}
.pillars p{font-size:.86rem;color:var(--muted);line-height:1.7;max-width:28ch}

/* ---------- Appel à l'action ---------- */
.band.ink::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1.2px);background-size:24px 24px;-webkit-mask-image:radial-gradient(ellipse 60% 70% at 50% 50%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse 60% 70% at 50% 50%,#000 10%,transparent 70%);pointer-events:none}
.band.ink .wrap{position:relative}
.band.ink .head{margin-bottom:36px}
.band.ink .label{color:var(--on-ink-muted)}
.band.ink .lead{color:var(--on-ink-muted)}
.band.ink .head .lead+.lead{margin-top:-6px}
.band.ink .note{text-align:center;margin-top:18px;font-size:.84rem;color:var(--on-ink-muted)}

/* ---------- Pages intérieures ---------- */
.page-hero{position:relative;overflow:hidden;text-align:center;background:var(--surface)}
.page-hero .wrap{position:relative;padding-block:clamp(64px,8vw,112px) clamp(64px,8vw,104px);display:grid;gap:24px;justify-items:center}
.crumbs{font-size:.76rem;letter-spacing:.06em;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.pill{display:inline-flex;align-items:center;gap:10px;padding:6px 16px 6px 6px;border-radius:999px;font-weight:600;font-size:.8rem;letter-spacing:.04em}
.pill .ico{width:30px;height:30px;border-radius:50%}
.pill .ico svg{width:15px;height:15px}
.pill.ch{background:var(--channel-soft);color:var(--channel-text)}
.pill.cl{background:var(--client-soft);color:var(--client-text)}

.issues{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}
@media (max-width:860px){.issues{grid-template-columns:1fr;max-width:480px;margin-inline:auto}}
.issue{display:grid;gap:12px;justify-items:center;text-align:center;align-content:start}
.issue .num{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:.72rem;border:1px solid var(--line-strong)}
.issue b{font-weight:600;font-size:1.06rem;line-height:1.4}
.issue p{font-size:.92rem;color:var(--muted);line-height:1.75;max-width:34ch}

.offers{display:flex;flex-wrap:wrap;justify-content:center;gap:24px}
.offer{flex:1 1 300px;max-width:360px;background:#fff;border-radius:var(--radius);padding:34px 28px;display:grid;gap:14px;justify-items:center;text-align:center;align-content:start}
.offer.ch .ico{background:var(--channel-soft)}
.offer.cl .ico{background:var(--client-soft)}
.offer h3{font-size:1.1rem;line-height:1.35;letter-spacing:-.01em}
.offer p{color:var(--muted);font-size:.9rem;line-height:1.75}
.offer ul{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:6px}
.offer li{font-size:.72rem;font-weight:500;padding:5px 11px;border-radius:999px;background:var(--surface);color:var(--ink-2);line-height:1.4}

.targets{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.target{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:500;font-size:.9rem;color:var(--ink);line-height:1.3}
.target i{width:8px;height:8px;border-radius:50%}
.c-ch .target i{background:var(--channel)}
.c-cl .target i{background:var(--client)}

.segs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:760px){.segs{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.segs{grid-template-columns:1fr}}
.seg{border-radius:var(--radius);padding:28px 18px;background:#fff;display:grid;gap:6px;justify-items:center;text-align:center}
.seg b{font-weight:600;line-height:1.4}
.seg small{color:var(--muted);font-size:.84rem;line-height:1.6}
.seg em{font-style:normal;font-family:var(--mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.16em;color:var(--client-text);margin-top:8px;line-height:1.5}

.dims{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
@media (max-width:860px){.dims{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:440px){.dims{grid-template-columns:repeat(2,minmax(0,1fr))}}
.dim{border-radius:14px;padding:20px 12px;font-size:.84rem;font-weight:600;background:#fff;border:1px solid var(--line);text-align:center;line-height:1.4}
.dim small{display:block;font-weight:400;color:var(--muted);font-size:.74rem;line-height:1.5;margin-top:4px}

/* Projets détaillés */
.case-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:860px){.case-cols{grid-template-columns:1fr;max-width:560px;margin-inline:auto}}
.case-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;display:grid;gap:14px;align-content:start;text-align:center;justify-items:center}
.band.alt .case-col{border-color:transparent}
.case-col p,.case-col li{font-size:.92rem;color:var(--ink-2);line-height:1.7}
.case-col ul{display:grid;gap:10px}
.case-kpis{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:40px}
.case-kpis .kpi{min-width:180px;padding:24px 26px;border-radius:var(--radius);background:var(--ink);color:#fff}
.case-kpis .kpi .l{color:var(--on-ink-muted)}

/* Contact */
.coords{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0 auto 48px}
@media (max-width:860px){.coords{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.coords{grid-template-columns:1fr}}
.coords div{display:grid;gap:8px;justify-items:center;text-align:center;padding:24px 16px;border-radius:var(--radius);background:#fff}
.coords dt{font-family:var(--mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted)}
.coords dd{margin:0;font-size:.9rem;overflow-wrap:anywhere;line-height:1.5}
.form{max-width:var(--narrow);margin-inline:auto;background:#fff;border-radius:22px;padding:clamp(24px,4vw,48px);display:grid;gap:24px}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:560px){.fields{grid-template-columns:1fr}}
.field{display:grid;gap:8px}
.field.full{grid-column:1/-1}
.field label,.field .flabel{font-size:.78rem;font-weight:600;letter-spacing:.03em}
.field.center{justify-items:center;text-align:center}
.field input,.field textarea{font:inherit;font-size:.95rem;letter-spacing:.005em;color:var(--ink);background:var(--surface);border:1px solid transparent;border-radius:12px;padding:13px 16px;width:100%;transition:border-color .2s,background .2s}
.field textarea{min-height:150px;resize:vertical;line-height:1.65}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--channel);background:#fff}
.topics{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;position:relative}
.topics input{position:absolute;opacity:0;pointer-events:none;width:1px!important;height:1px;padding:0;left:0;top:0}
.topics label{font-size:.84rem;font-weight:500;padding:10px 18px;border:1px solid var(--line);border-radius:999px;cursor:pointer;background:#fff;transition:all .15s;letter-spacing:.01em}
.topics input:checked+label{border-color:var(--ink);background:var(--ink);color:#fff}
.topics input:focus-visible+label{outline:2px solid var(--channel);outline-offset:2px}
.consent{display:grid;grid-template-columns:20px 1fr;gap:12px;font-size:.8rem;color:var(--muted);line-height:1.6;align-items:start}
.consent input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--ink)}
.form .submit{display:flex;justify-content:center}
.form-msg{font-size:.88rem;padding:14px 16px;border-radius:12px;background:var(--surface);text-align:center}

/* Mentions */
.legal{max-width:var(--narrow);margin-inline:auto}
.legal>div{padding:36px 0;border-top:1px solid var(--line)}
.legal>div:first-child{border-top:0;padding-top:0}
.legal h2{font-size:1.15rem;letter-spacing:-.01em;line-height:1.3;margin-bottom:14px;text-align:center}
.legal p{color:var(--ink-2);font-size:.94rem;text-align:center;line-height:1.85}
.legal p+p{margin-top:10px}

/* ---------- Pied de page ---------- */
footer{background:var(--ink);color:var(--on-ink);border-top:1px solid rgba(255,255,255,.08)}
footer .wrap{padding-block:60px 32px;display:grid;gap:28px;justify-items:center;text-align:center}
footer .logo{height:30px;width:auto}
footer .tagline{font-size:.88rem;color:var(--on-ink-muted);line-height:1.7}
footer nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 30px;font-size:.88rem;letter-spacing:.01em}
footer a{text-decoration:none}
footer nav a{color:#D7DDE6}
footer nav a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.foot-bottom{width:100%;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;font-size:.76rem;letter-spacing:.03em;color:var(--on-ink-muted)}
.foot-bottom a:hover{color:#fff}

/* ---------- Page expérience channel ---------- */
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:clamp(48px,6vw,72px)}
@media (max-width:860px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.facts{grid-template-columns:1fr}}
.fact{background:#fff;border-radius:var(--radius);padding:26px 20px;display:grid;gap:8px;justify-items:center;text-align:center;align-content:start}
.fact .v{font-size:2.2rem;font-weight:600;letter-spacing:-.03em;line-height:1;color:var(--channel)}
.fact p{font-size:.88rem;color:var(--ink-2);line-height:1.6}
.compare{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1.4fr);gap:24px;align-items:stretch}
@media (max-width:860px){.compare{grid-template-columns:1fr}.compare .arrow{transform:rotate(90deg);justify-self:center}}
.model{border-radius:20px;padding:30px 26px;display:grid;gap:16px;align-content:start;text-align:center}
.model.old{background:#fff;border:1px dashed var(--line-strong)}
.model.new{background:var(--channel);color:#fff}
.model h3{font-size:1.05rem;letter-spacing:-.01em}
.model .sub{font-size:.8rem;opacity:.75;margin-top:-10px}
.model ul{display:grid;gap:10px}
.model li{display:grid;gap:2px;padding:12px 14px;border-radius:12px;font-size:.84rem;line-height:1.5}
.model li b{font-size:.95rem;font-weight:600}
.model.old li{background:var(--surface);color:var(--muted)}
.model.old li b{color:var(--ink-2);text-decoration:line-through;text-decoration-color:var(--line-strong)}
.model.new ul{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.model.new li{background:rgba(255,255,255,.12);color:#DDE2FF}
.model.new li b{color:#fff}
.compare .arrow{align-self:center;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-strong);background:#fff;color:var(--channel)}
.compare .arrow svg{width:18px;height:18px}

.qgrid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.q{flex:1 1 300px;max-width:360px;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:grid;gap:8px;text-align:center;justify-items:center;background:#fff}
.q .label{color:var(--channel)}
.q p{font-size:.98rem;font-weight:500;line-height:1.55;color:var(--ink)}

.cycle{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;counter-reset:c}
@media (max-width:760px){.cycle{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.cycle{grid-template-columns:1fr}}
.pil{background:#fff;border-radius:var(--radius);padding:28px 22px;display:grid;gap:8px;justify-items:center;text-align:center}
.pil b{font-size:1.15rem;font-weight:600;letter-spacing:-.01em}
.pil p{font-size:.88rem;color:var(--muted);line-height:1.65;max-width:30ch}
.core{margin-top:24px;text-align:center;font-weight:600;font-size:.95rem;color:var(--channel-text);background:var(--channel-soft);border-radius:999px;padding:14px 22px;max-width:560px;margin-inline:auto}

.seq{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:12px;position:relative}
@media (min-width:1001px){.seq::before{content:"";position:absolute;top:22px;left:7%;right:7%;height:1px;background:var(--line-strong)}}
@media (max-width:1000px){.seq{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media (max-width:440px){.seq{grid-template-columns:1fr}}
.sq{position:relative;display:grid;gap:10px;justify-items:center;text-align:center;align-content:start}
.sq .n{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--channel);color:#fff;font-family:var(--mono);font-size:.8rem;font-weight:500}
.sq b{font-weight:600;font-size:.98rem;line-height:1.35}
.sq p{font-size:.8rem;color:var(--muted);line-height:1.55}

.journey{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-radius:20px;overflow:hidden;background:#fff}
@media (max-width:860px){.journey{grid-template-columns:1fr}}
.jstep{padding:28px 20px;display:grid;gap:10px;justify-items:center;text-align:center;align-content:start;position:relative}
.jstep+.jstep{border-left:1px solid var(--line)}
@media (max-width:860px){.jstep+.jstep{border-left:0;border-top:1px solid var(--line)}}
.jstep .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;color:var(--channel)}
.jstep b{font-size:1.08rem;font-weight:600}
.jstep p{font-size:.84rem;color:var(--muted);line-height:1.6}
.jstep:nth-child(1){background:rgba(47,69,245,.03)}.jstep:nth-child(2){background:rgba(47,69,245,.06)}.jstep:nth-child(3){background:rgba(47,69,245,.09)}.jstep:nth-child(4){background:rgba(47,69,245,.12)}.jstep:nth-child(5){background:rgba(47,69,245,.16)}
.note{margin:24px auto 0;text-align:center;font-size:.92rem;color:var(--ink-2);max-width:60ch;line-height:1.7}

.ppi{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:clamp(28px,5vw,64px);align-items:center;max-width:980px;margin-inline:auto}
@media (max-width:860px){.ppi{grid-template-columns:1fr}}
.gauge{justify-self:center;width:220px;height:220px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--channel) 0 82%,var(--channel-soft) 82% 100%);position:relative}
.gauge::before{content:"";position:absolute;inset:16px;border-radius:50%;background:#fff}
.gauge div{position:relative;text-align:center;display:grid;gap:2px}
.gauge b{font-size:3rem;font-weight:600;letter-spacing:-.04em;line-height:1}
.gauge span{font-size:.78rem;color:var(--muted)}
.gauge small{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--channel)}
.bars{display:grid;gap:16px}
.bar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;align-items:baseline}
.bar b{font-weight:600;font-size:.95rem}
.bar .w{font-family:var(--mono);font-size:.78rem;color:var(--channel)}
.bar .t{grid-column:1/-1;height:8px;border-radius:8px;background:var(--channel-soft);overflow:hidden}
.bar .t i{display:block;height:100%;border-radius:8px;background:var(--channel)}
.bar p{grid-column:1/-1;font-size:.82rem;color:var(--muted);line-height:1.55}
.dash{margin-top:clamp(40px,5vw,56px);display:grid;gap:14px;justify-items:center;text-align:center}

.deliv{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:860px){.deliv{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.deliv{grid-template-columns:1fr}}
.dl{background:#fff;border-radius:var(--radius);padding:24px 20px;display:grid;gap:6px;justify-items:center;text-align:center}
.dl b{font-weight:600}
.dl p{font-size:.84rem;color:var(--muted);line-height:1.6}

.sides{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:20px;align-items:center}
@media (max-width:860px){.sides{grid-template-columns:1fr}}
.side{border:1px solid var(--line);border-radius:20px;padding:30px 26px;display:grid;gap:16px;text-align:center;background:#fff}
.side ul{display:grid;gap:14px}
.side li{display:grid;gap:2px}
.side li b{font-weight:600}
.side li span{font-size:.86rem;color:var(--muted);line-height:1.6}
.bridge{justify-self:center;text-align:center;display:grid;gap:8px;justify-items:center;padding:24px;border-radius:20px;background:var(--ink);color:#fff;max-width:220px}
.bridge img{height:24px;width:auto}
.bridge b{font-size:.95rem}
.bridge span{font-size:.76rem;color:var(--on-ink-muted);line-height:1.5}

.quote{max-width:900px;margin:0 auto;text-align:center;display:grid;gap:22px;justify-items:center}
.quote blockquote{margin:0;font-size:clamp(1.5rem,3vw,2.3rem);font-weight:500;line-height:1.3;letter-spacing:-.02em;text-wrap:balance}
.quote blockquote em{font-style:normal;color:var(--channel)}
.quote cite{font-style:normal;font-size:.86rem;color:var(--muted)}

.epr{display:grid;gap:12px;max-width:640px;margin:0 auto 36px;text-align:left}
.epr li{display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px 18px;font-size:.95rem;color:#E6EAF0}
.epr li span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.1);font-family:var(--mono);font-size:.72rem}
.band:not(.alt) .dl,.band:not(.alt) .pil,.band:not(.alt) .fact{border:1px solid var(--line)}
.band:not(.alt) .offer{border:1px solid var(--line)}

/* ---------- Animations : apparition de gauche à droite, zoom léger au survol ---------- */
.rv{opacity:0;transform:translateX(-28px);transition:opacity .7s cubic-bezier(.2,.7,.2,1) var(--d,0ms),transform .7s cubic-bezier(.2,.7,.2,1) var(--d,0ms)}
.rv.in{opacity:1;transform:none}
.head.rv{transform:translateY(16px)}
.head.rv.in{transform:none}
@media (hover:hover){
  .offer,.pcard,.seg,.dim,.case-col,.coords div,.issue,.step,.stat,.target,.sq{transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s,opacity .7s cubic-bezier(.2,.7,.2,1) var(--d,0ms)}
  .offer:hover,.pcard:hover,.seg:hover,.dim:hover,.case-col:hover,.coords div:hover{transform:scale(1.03);box-shadow:0 22px 50px -28px rgba(11,16,23,.28);position:relative;z-index:1}
  .step:hover .n,.sq:hover .n{transform:scale(1.12)}
  .step .n,.sq .n,.issue .num{transition:transform .3s cubic-bezier(.2,.7,.2,1),background .3s,color .3s}
  .issue:hover .num{transform:scale(1.15);background:var(--ink);color:#fff;border-color:var(--ink)}
  .target:hover{transform:scale(1.05)}
  .stat:hover .v{transform:scale(1.06)}
  .stat .v{transition:transform .35s cubic-bezier(.2,.7,.2,1)}
  .xcard:hover{transform:scale(1.02)}
  .portrait img{transition:transform .6s cubic-bezier(.2,.7,.2,1)}
  .portrait:hover img{transform:scale(1.08)}
  .node{transition:transform .3s cubic-bezier(.2,.7,.2,1),border-color .3s}
  .node:hover{transform:translateY(-3px);border-color:var(--line-strong)}
}
/* Les cartes animées au survol gardent leur état d'apparition */
.rv:not(.in){transform:translateX(-28px)!important}
.head.rv:not(.in){transform:translateY(16px)!important}
@media (prefers-reduced-motion:reduce){.rv{opacity:1!important;transform:none!important}}

/* ---------- Collage de photos du terrain sous le texte du haut de page ---------- */
.hero .wrap,.page-hero .wrap{z-index:1}
.stack{position:relative;z-index:0;height:430px;max-width:1100px;margin:clamp(48px,6vw,72px) auto 0;pointer-events:none}
.stack .ph{position:absolute;bottom:-40px;left:50%;width:300px;height:360px;border-radius:14px;overflow:hidden;border:6px solid #fff;background:#E9E6DF;box-shadow:0 30px 60px -30px rgba(30,25,20,.5);
  transform:translateX(var(--x)) translate(calc(var(--mx,0) * var(--d,0) * 1px),calc(var(--my,0) * var(--d,0) * 1px)) rotate(var(--r)) scale(var(--s,1));
  transition:transform .6s cubic-bezier(.2,.7,.2,1),box-shadow .4s,filter .4s;animation:phIn .9s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(var(--i)*90ms + 350ms)}
.stack .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
/* Accueil : chaque photo est un lien vers un rail de la page */
.stack.links{pointer-events:auto}
.stack.links .ph{text-decoration:none;color:#fff}
.stack.links .p1{--d:-14}.stack.links .p2{--d:-24}.stack.links .p3{--d:24}.stack.links .p4{--d:14}
.stack.links .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,23,.6),transparent 34%);transition:opacity .4s;pointer-events:none}
.stack .cap{text-align:left;position:absolute;z-index:1;left:16px;right:16px;top:14px;display:flex;align-items:center;gap:10px;font-weight:600;font-size:.9rem;line-height:1.25;text-shadow:0 1px 8px rgba(0,0,0,.25)}
.stack .cap .n{font-family:var(--mono);font-weight:500;font-size:.66rem;letter-spacing:.12em;opacity:.8}
.stack .cap .t{flex:1}
.stack .cap svg{width:16px;height:16px;flex:none;opacity:0;transform:translateX(-8px);transition:opacity .35s,transform .35s}
.stack.links .ph:hover,.stack.links .ph:focus-visible{--r:0deg;--s:1.06;z-index:6;box-shadow:0 40px 80px -30px rgba(30,25,20,.6);outline:none}
.stack.links .ph:focus-visible{border-color:var(--ink)}
.stack.links .ph:hover img,.stack.links .ph:focus-visible img{transform:scale(1.09)}
.stack.links .ph:hover .cap svg,.stack.links .ph:focus-visible .cap svg{opacity:1;transform:none}
.stack.links:hover .ph:not(:hover){filter:saturate(.75) brightness(.96)}
.stack.n4 .p1{--x:-545px;--r:-6deg;width:280px;height:340px}
.stack.n4 .p2{--x:-285px;--r:-2deg;width:300px;height:410px;z-index:2}
.stack.n4 .p3{--x:-5px;--r:2deg;width:300px;height:400px;z-index:3}
.stack.n4 .p4{--x:265px;--r:6deg;width:280px;height:340px;z-index:1}
.stack.n4 @media (max-width:1180px) and (min-width:761px){.stack.n4{transform:scale(.8);transform-origin:50% 100%}}
@keyframes phIn{from{opacity:0;translate:0 40px}to{opacity:1;translate:0 0}}
/* Pages intérieures : trois photos plus petites */
.page-hero.has-stack .wrap{padding-bottom:0}
.stack.sm{height:250px;margin-top:clamp(40px,5vw,56px)}
.stack.sm .ph{width:210px;height:250px;bottom:-50px;border-width:5px}
.stack.sm .p1{--x:-330px;--r:-6deg}
.stack.sm .p2{--x:-105px;--r:-1deg;width:220px;height:270px;z-index:2}
.stack.sm .p3{--x:125px;--r:5deg;z-index:1}
@media (max-width:760px){
  .stack{height:300px}
  /* Mobile : carrousel à faire défiler du doigt */
  .stack.links{display:flex;gap:14px;height:auto;max-width:none;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px max(20px,calc(50% - 115px)) 36px;margin-bottom:0;scrollbar-width:none}
  .stack.links::-webkit-scrollbar{display:none}
  .stack.links .ph{position:relative;left:auto;bottom:auto;flex:0 0 230px;width:230px;height:290px;--x:0px;--r:0deg;scroll-snap-align:center;border-width:5px}
  .stack.links .ph:hover{--s:1}
  .stack.links   .stack .cap{left:12px;right:12px;top:12px;font-size:.84rem}
  .stack .cap .n{display:inline}
  .stack .cap svg{opacity:1;transform:none}
    .stack.sm{height:200px}
  .stack.sm .p1{display:none}
  .stack.sm .ph{width:170px;height:200px}
  .stack.sm .p2{--x:-175px;width:175px;height:210px}
  .stack.sm .p3{--x:-5px}
}
@media (prefers-reduced-motion:reduce){.stack .ph{animation:none}}

/* ---------- Ligne des étapes qui se trace à l'apparition ---------- */
.steps::before,.seq::before{transform-origin:left center;transition:transform 1.4s cubic-bezier(.2,.7,.2,1) .2s}
.steps.draw::before,.seq.draw::before{transform:scaleX(0)}
.steps.draw.in::before,.seq.draw.in::before{transform:scaleX(1)}
@media (prefers-reduced-motion:reduce){.steps.draw::before,.seq.draw::before{transform:none}}