/* ============================================================
   PAYANT CONSULTING — Système de design
   Vert de marque #213F3D (extrait du logo) sur blanc chaud
   ============================================================ */

:root{
  --vert:#213F3D;        /* vert de marque, titres, aplats */
  --vert-fonce:#1A322F;  /* profondeur, footer */
  --vert-noir:#142724;   /* le plus sombre */
  --blanc:#FCFBF8;       /* fond principal, blanc chaud */
  --blanc-pur:#FFFFFF;
  --vert-pale:#EEF2EC;   /* fonds de section alternés */
  --vert-pale-2:#E3EAE4;
  --or:#C9A24B;          /* accent chaleur, parcimonieux */
  --or-clair:#D9BC7E;
  --gris:#5B6B64;        /* texte secondaire */
  --gris-clair:#8D9A93;
  --ligne:rgba(33,63,61,.14);
  --ligne-claire:rgba(33,63,61,.08);
  --ombre:0 20px 50px -24px rgba(20,39,36,.35);
  --ombre-douce:0 10px 30px -18px rgba(20,39,36,.28);
  --r:14px;   /* rayon standard */
  --r-l:22px; /* grand rayon */
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--blanc);
  color:var(--vert);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{
  font-family:'Fraunces',Georgia,serif;
  font-weight:450;
  line-height:1.08;
  letter-spacing:-.015em;
  color:var(--vert);
}
h1{font-size:clamp(2.4rem,5.2vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
p{color:#3a4a45}

.container{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5vw,44px)}
section{padding:clamp(60px,9vw,110px) 0}
.section-pale{background:var(--vert-pale)}
.section-vert{background:var(--vert);color:var(--blanc)}
.section-vert h1,.section-vert h2,.section-vert h3{color:var(--blanc)}
.section-vert p{color:rgba(252,251,248,.82)}

/* ---- Marqueur de rubrique : rappel du "CONSULTING" du logo ---- */
.kicker{
  font-family:'Inter',sans-serif;
  font-size:.72rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--or);
  font-weight:600;
  display:inline-flex;align-items:center;gap:10px;
  margin-bottom:22px;
}
.kicker::before{content:"";width:26px;height:1.5px;background:var(--or)}
.section-vert .kicker{color:var(--or-clair)}
.section-vert .kicker::before{background:var(--or-clair)}

.lead{font-size:1.18rem;line-height:1.7;color:var(--gris);max-width:62ch}
.section-vert .lead{color:rgba(252,251,248,.8)}

/* ============ NAVIGATION ============ */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(252,251,248,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--ligne-claire);
  transition:box-shadow .3s,background .3s;
}
.nav.scrolled{box-shadow:0 8px 30px -18px rgba(20,39,36,.4);background:rgba(252,251,248,.97)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px;transition:height .3s}
.nav.scrolled .nav-inner{height:64px}
.nav .brand img{transition:height .3s}
.nav.scrolled .brand img{height:38px}
.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}
.brand img{height:44px;width:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-txt .n1{font-family:'Fraunces',serif;font-size:1.12rem;font-weight:500;letter-spacing:.02em;color:var(--vert)}
.brand-txt .n2{font-size:.58rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gris);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.93rem;font-weight:500;color:var(--vert);position:relative;padding:6px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--or);transition:width .25s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--vert)}
.nav-cta{
  background:var(--vert);color:var(--blanc)!important;
  padding:11px 22px;border-radius:100px;font-size:.9rem;font-weight:500;
  transition:transform .2s,box-shadow .2s;white-space:nowrap;
}
.nav-cta::after{display:none!important}
.nav-cta:hover{transform:translateY(-1px);box-shadow:var(--ombre-douce);color:var(--blanc)!important}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:34px;height:34px;flex-direction:column;justify-content:center;gap:5px}
.nav-toggle span{display:block;height:2px;width:24px;background:var(--vert);border-radius:2px;transition:.3s}

.mobile-menu{display:none;position:fixed;inset:76px 0 0;background:var(--blanc);z-index:99;padding:30px clamp(20px,5vw,44px);flex-direction:column;gap:6px}
.mobile-menu.open{display:flex;animation:fadeIn .25s}
.mobile-menu a{font-family:'Fraunces',serif;font-size:1.5rem;padding:14px 0;border-bottom:1px solid var(--ligne-claire)}
.mobile-menu .nav-cta{margin-top:20px;text-align:center;font-family:'Inter',sans-serif;font-size:1rem}

/* ============ BOUTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  font-family:'Inter',sans-serif;font-size:1rem;font-weight:500;
  padding:15px 30px;border-radius:100px;border:none;
  transition:transform .2s,box-shadow .2s,background .2s;
  text-align:center;line-height:1.2;
}
.btn-primary{background:var(--vert);color:var(--blanc);position:relative;overflow:hidden}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--ombre)}
/* reflet qui traverse le bouton au survol */
.btn-primary::before{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(252,251,248,.22),transparent);transform:skewX(-18deg);transition:left .6s cubic-bezier(.2,.7,.2,1)}
.btn-primary:hover::before{left:140%}
.btn-ghost{background:transparent;color:var(--vert);box-shadow:inset 0 0 0 1.5px var(--ligne)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--vert);transform:translateY(-2px)}
.section-vert .btn-primary{background:var(--or);color:var(--vert-noir)}
.section-vert .btn-primary:hover{background:var(--or-clair)}
.section-vert .btn-ghost{color:var(--blanc);box-shadow:inset 0 0 0 1.5px rgba(252,251,248,.3)}
.section-vert .btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--blanc)}
.btn-lg{padding:18px 38px;font-size:1.05rem}

/* ============ FOOTER ============ */
.footer{background:var(--vert-noir);color:rgba(252,251,248,.72);padding:70px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;margin-bottom:52px}
.footer h4{color:var(--blanc);font-family:'Inter',sans-serif;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;margin-bottom:20px}
.footer-brand img{height:52px;margin-bottom:18px}
.footer-brand p{color:rgba(252,251,248,.6);font-size:.92rem;max-width:34ch}
.footer a{display:block;color:rgba(252,251,248,.72);font-size:.93rem;padding:6px 0;transition:color .2s}
.footer a:hover{color:var(--or-clair)}
.footer-bottom{border-top:1px solid rgba(252,251,248,.12);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:.84rem;color:rgba(252,251,248,.5)}
.footer-bottom a{display:inline;color:rgba(252,251,248,.5)}
.footer-legal-links{display:flex;gap:20px;flex-wrap:wrap}

/* ============ UTILITAIRES ============ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
html.no-js .reveal{opacity:1;transform:none}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.center{text-align:center}
.mt-s{margin-top:14px}.mt-m{margin-top:26px}.mt-l{margin-top:44px}
.cta-row{display:flex;gap:16px;flex-wrap:wrap}
.center .cta-row{justify-content:center}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============ RESPONSIVE ============ */
@media(max-width:880px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav .nav-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .cta-row{flex-direction:column}
  .cta-row .btn{width:100%;justify-content:center}
}

/* ============ BANDEAU COOKIES (commun) ============ */
body.cookie-open{padding-bottom:180px}
@media(max-width:520px){body.cookie-open{padding-bottom:260px}}
#cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:9999;max-width:760px;margin:0 auto;background:var(--blanc-pur);border:1px solid var(--ligne);border-radius:16px;padding:20px 22px;box-shadow:var(--ombre);display:none;color:var(--vert);font-family:'Inter',sans-serif}
#cookie-banner.show{display:block;animation:fadeIn .4s ease}
#cookie-banner p{font-size:.9rem;line-height:1.6;color:var(--gris);margin:0 0 16px}
#cookie-banner p a{color:var(--vert);text-decoration:underline}
#cookie-banner .cb-actions{display:flex;gap:12px;flex-wrap:wrap}
#cookie-banner button{font-family:'Inter',sans-serif;font-size:.9rem;font-weight:500;cursor:pointer;border-radius:100px;padding:11px 24px;border:none;transition:.25s}
#cookie-banner .cb-accept{color:var(--blanc);background:var(--vert)}
#cookie-banner .cb-accept:hover{background:var(--vert-fonce)}
#cookie-banner .cb-refuse{color:var(--vert);background:transparent;box-shadow:inset 0 0 0 1px var(--ligne)}
#cookie-banner .cb-refuse:hover{background:var(--vert-pale)}
@media(max-width:520px){#cookie-banner .cb-actions{flex-direction:column}#cookie-banner button{width:100%}}