/* VsimplifAI — feuille de style « premium » (fusion Stitch × contenu Design A)
   Palette : limestone #F5F2ED · nuit #0A1A2F · or discret #C5A059 · encre #2D3748
   Polices : Playfair Display (titres) + Inter (texte).
   ⚠ Production RGPD : auto-héberger ces polices (woff2 locaux) au lieu de Google Fonts.
   Voir INFORMATION-A-CONFIRMER.md. */

:root{
  --limestone:#F5F2ED; --paper:#FFFFFF; --paper-warm:#F6F1E7; --stone:#ECE6DB;
  --navy:#0A1A2F; --navy-brand:#1B2A4A; --navy-2:#12263f;
  --gold:#C5A059; --gold-brand:#C8A24B; --gold-2:#B8934A; --gold-soft:#EBDCBE;
  --ink:#0A1A2F; --text:#2A3140; --text-2:#525f73; --muted:#7a8494; --sand:#8a7a55;
  --line:rgba(10,26,47,.12); --line-soft:rgba(10,26,47,.07);
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --wrap:1200px;
  --shadow-soft:0 24px 60px -34px rgba(10,26,47,.5);
  --shadow-card:0 18px 44px -30px rgba(10,26,47,.4);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
body{margin:0;background:var(--limestone);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
h1,h2,h3,h4{color:var(--ink);font-family:var(--serif);line-height:1.14;margin:0;font-weight:700;}
p{margin:0;}
a{color:var(--navy);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--gold-2);}
img{max-width:100%;display:block;}
::selection{background:var(--gold);color:#fff;}
.serif-em{font-style:italic;color:var(--gold-2);}

/* Accessibilité */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:12px 18px;border-radius:0 0 10px 0;z-index:1000;font-weight:600;font-family:var(--sans);}
.skip-link:focus{left:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
  outline:3px solid var(--gold);outline-offset:2px;border-radius:4px;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;}
.eyebrow{font-family:var(--sans);font-size:12.5px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase;color:var(--gold-2);margin-bottom:14px;}
.section{padding:84px 0 34px;}
.lead{font-size:19px;line-height:1.62;color:var(--text);}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--sans);font-weight:600;font-size:15.5px;
  padding:15px 28px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:background .22s ease,border-color .22s ease,color .22s ease;min-height:50px;}
.btn svg{width:18px;height:18px;flex:none;}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--navy-2);color:#fff;}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--gold);}
.btn-outline:hover{background:rgba(197,160,89,.09);color:var(--navy);}
.btn-gold{background:var(--gold);color:#fff;}
.btn-gold:hover{background:var(--gold-2);color:#fff;}
.btn-full{width:100%;}

.badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px 7px 12px;border:1px solid rgba(197,160,89,.5);
  border-radius:999px;background:rgba(197,160,89,.08);font-family:var(--sans);font-size:12.5px;font-weight:600;letter-spacing:.3px;color:var(--gold-2);text-transform:uppercase;}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);}

/* Header / nav */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,242,237,.88);backdrop-filter:saturate(1.1) blur(8px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 28px;max-width:var(--wrap);margin:0 auto;}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:-.4px;color:var(--ink);}
.brand img{width:42px;height:42px;border-radius:50%;object-fit:cover;}
.brand .ai{color:var(--gold-2);}
.nav-links{display:flex;align-items:center;gap:26px;font-family:var(--sans);font-size:14.5px;font-weight:500;list-style:none;margin:0;padding:0;}
.nav-links a{color:var(--ink);position:relative;}
.nav-links a:not(.nav-en):not(.nav-cta)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--gold-brand);transform:scaleX(0);transform-origin:center;transition:transform .25s ease;}
.nav-links a:hover{color:var(--gold-2);}
.nav-links a:not(.nav-en):not(.nav-cta):hover::after{transform:scaleX(1);}
.nav-en{display:inline-flex;align-items:center;gap:6px;color:var(--gold-2)!important;font-weight:600;font-size:13px;border:1px solid rgba(197,160,89,.45);border-radius:999px;padding:6px 12px;}
.nav-cta{background:var(--navy);color:#fff!important;padding:11px 20px;border-radius:10px;font-weight:600;}
.nav-cta:hover{background:var(--navy-2);color:#fff!important;}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:9px 11px;cursor:pointer;}
.nav-toggle svg{width:22px;height:22px;color:var(--navy);}
.nav-links svg{width:15px;height:15px;}

/* Hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding:82px 0 66px;}
.hero-visual{overflow:visible;}
html,body{overflow-x:hidden;}
.hero h1{font-size:clamp(38px,5.2vw,64px);letter-spacing:-1px;font-weight:700;margin:20px 0;}
.hero .hero-sub{font-family:var(--serif);font-size:clamp(20px,2.4vw,26px);font-weight:600;color:var(--navy);margin:-6px 0 18px;letter-spacing:-.3px;}
.hero .lead{max-width:520px;margin-bottom:32px;color:var(--text);}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.microcopy{margin-top:20px;font-size:13.5px;line-height:1.55;color:var(--sand);max-width:500px;}
.hero-meta{margin-top:14px;font-size:13px;color:var(--muted);font-weight:500;display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap;}
.hero-visual{position:relative;}

/* Hero — photographie éditoriale + surcouche logo DOM
   La photo montre un cadre vide au mur ; le logo réel est superposé en HTML
   pour garantir la fidélité de la marque et la netteté à toute résolution. */
.hero-frame-wrap{position:relative;width:100%;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid var(--line);background:var(--paper-warm);}
.hero-frame-wrap > picture,
.hero-frame-wrap > picture > img{display:block;width:100%;height:auto;}
.hero-logo-plaque{position:absolute;top:5%;left:55.5%;width:35.3%;height:46.5%;
  display:flex;align-items:center;justify-content:center;padding:4%;border-radius:2px;
  background:transparent;transition:transform .3s ease,filter .3s ease;}
.hero-logo-plaque:hover{transform:scale(1.015);filter:drop-shadow(0 6px 14px rgba(10,26,47,.14));}
.hero-logo-plaque:focus-visible{outline:3px solid var(--gold);outline-offset:4px;}
.hero-logo-plaque img{width:52%;height:auto;max-width:180px;filter:drop-shadow(0 2px 8px rgba(10,26,47,.10));}
@media (max-width:920px){
  .hero-logo-plaque img{max-width:220px;}
}
@media (prefers-reduced-motion:reduce){
  .hero-logo-plaque{transition:none;}
  .hero-logo-plaque:hover{transform:none;}
}

/* Bandeau confiance */
.trust{background:var(--paper);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:var(--wrap);margin:0 auto;padding:30px 28px;}
.trust-item{display:flex;align-items:center;gap:14px;}
.trust-item .ic{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:11px;background:rgba(197,160,89,.13);color:var(--gold-2);flex:none;}
.trust-item svg{width:22px;height:22px;}
.trust-item p{font-family:var(--sans);font-weight:600;font-size:15px;color:var(--ink);}

/* Grilles / titres de section */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.section-head{max-width:660px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
h2.title{font-size:clamp(28px,3.6vw,44px);font-weight:700;letter-spacing:-.6px;}
.section-head.center h2.title{display:inline-block;padding-bottom:18px;position:relative;}
.section-head.center h2.title::after{content:"";position:absolute;left:50%;bottom:0;width:60px;height:2px;background:var(--gold-brand);transform:translateX(-50%);border-radius:2px;}
.section-head .lead{margin-top:14px;}

/* Cartes services (numérotées) */
.svc{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:34px 30px;transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;}
.svc:hover{border-color:var(--gold);box-shadow:var(--shadow-card);transform:translateY(-3px);}
.svc .num{font-family:var(--serif);font-size:40px;font-weight:700;color:var(--gold);line-height:1;display:block;margin-bottom:20px;}
.svc h3{font-size:23px;margin-bottom:12px;}
.svc p{color:var(--text-2);font-size:15.5px;line-height:1.6;margin-bottom:20px;}
.svc ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.svc li{display:flex;gap:10px;align-items:flex-start;font-family:var(--sans);font-size:14.5px;color:var(--text-2);}
.svc li .bullet{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none;margin-top:8px;}
.svc.svc-warm{background:var(--paper-warm);}

/* Cas concrets */
.usecase{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:30px 28px;transition:border-color .3s ease,box-shadow .3s ease;height:100%;}
.usecase:hover{border-color:var(--gold);box-shadow:var(--shadow-card);}
.usecase .uc-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;background:rgba(10,26,47,.05);color:var(--navy);margin-bottom:18px;}
.usecase .uc-icon svg{width:24px;height:24px;}
.usecase h3{font-size:19px;margin-bottom:10px;line-height:1.25;}
.usecase p{font-size:14.5px;color:var(--text-2);line-height:1.6;}

/* Avant → Avec */
.ba{display:grid;grid-template-columns:1fr auto 1fr;gap:26px;align-items:stretch;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:36px 34px;}
.ba-col{display:flex;flex-direction:column;}
.ba-tag{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:14px;}
.ba-before .ba-tag{color:var(--sand);}
.ba-after .ba-tag{color:var(--gold-2);}
.ba-box{border-radius:14px;padding:22px 22px;font-size:15.5px;line-height:1.55;flex:1;}
.ba-before .ba-box{background:var(--stone);color:#5b5648;}
.ba-after .ba-box{background:var(--navy);color:#e7ecf3;border:1px solid rgba(197,160,89,.35);}
.ba-arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--gold);gap:8px;}
.ba-arrow svg{width:40px;height:40px;}
.ba-arrow span{font-family:var(--sans);font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--gold-2);}
.ba-list{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-direction:column;gap:10px;}
.ba-list li{display:flex;gap:10px;font-size:14.5px;}
.ba-list svg{width:17px;height:17px;flex:none;margin-top:3px;}
.ba-before .ba-list li{color:#6a6455;} .ba-before .ba-list svg{color:#b9a88a;}
.ba-after .ba-list li{color:#dbe1ea;} .ba-after .ba-list svg{color:var(--gold);}

/* Fondatrice */
.about{background:var(--paper);border:1px solid var(--line-soft);border-radius:24px;overflow:hidden;display:grid;grid-template-columns:.85fr 1.15fr;box-shadow:var(--shadow-card);}
.about .frame{position:relative;background:var(--stone);border-right:1px solid var(--line-soft);}
.about .frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;}
.about-body{padding:52px 48px;display:flex;flex-direction:column;justify-content:center;}
.about-body .quote-mark{font-family:var(--serif);font-size:60px;line-height:.6;color:var(--gold);margin-bottom:14px;height:34px;}
.about-body h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:20px;}
.about-body p{color:var(--text-2);font-size:16.5px;line-height:1.65;margin-bottom:16px;}
.about-body .sig{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--ink);margin-top:8px;}
.about-body .sig-role{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--gold-2);margin-top:4px;}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;padding-top:22px;border-top:1px solid var(--line-soft);}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--paper-warm);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-family:var(--sans);font-size:13px;font-weight:600;color:var(--text);}
.chip svg{width:15px;height:15px;color:var(--gold-2);}

/* Méthode — grands chiffres éditoriaux façon Stitch */
.method{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding-top:12px;}
.method .thread{position:absolute;top:56px;left:10%;right:10%;height:1.6px;background:linear-gradient(90deg,rgba(200,162,75,.1),rgba(200,162,75,.65),rgba(200,162,75,.1));z-index:0;}
.step{position:relative;z-index:1;padding:0 6px;}
.step .num{display:block;font-family:var(--serif);font-size:clamp(56px,7.5vw,88px);font-weight:700;line-height:1;color:rgba(200,162,75,.35);letter-spacing:-2px;margin-bottom:16px;}
.step h3{font-size:20px;margin-bottom:10px;letter-spacing:-.2px;}
.step p{font-family:var(--sans);font-size:14.5px;line-height:1.6;color:var(--text-2);}
@media (max-width:640px){.step{padding:0;text-align:left;} .step .num{font-size:64px;}}

/* Approche société — bandeau nuit pleine largeur (façon Stitch) */
.approach-band{background:var(--navy);color:#e7ecf3;padding:88px 34px 92px;border-radius:24px;text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow-soft);}
.approach-band::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(200,162,75,.55),transparent);}
.approach-band::after{content:"";position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(200,162,75,.35),transparent);}
.approach-band .eyebrow{color:var(--gold-brand);}
.approach-band h2{color:#fff;font-family:var(--serif);font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.18;letter-spacing:-.6px;max-width:820px;margin:14px auto 22px;}
.approach-band .approach-lead{font-family:var(--sans);font-size:17px;line-height:1.7;color:#c4cdda;max-width:720px;margin:0 auto;}
.approach-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px;}
.approach-principles .principle{display:flex;flex-direction:column;align-items:flex-start;gap:12px;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px 26px 28px;transition:border-color .3s ease,box-shadow .3s ease;}
.approach-principles .principle:hover{border-color:var(--gold-brand);box-shadow:var(--shadow-card);}
.approach-principles .p-ic{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:rgba(200,162,75,.14);color:var(--gold-2);flex:none;}
.approach-principles .p-ic svg{width:22px;height:22px;}
.approach-principles h3{font-family:var(--serif);font-size:20px;color:var(--ink);margin:0;letter-spacing:-.2px;}
.approach-principles p{font-family:var(--sans);font-size:14.5px;line-height:1.6;color:var(--text-2);margin:0;}
@media (max-width:820px){.approach-band{padding:64px 22px 68px;}.approach-principles{grid-template-columns:1fr;}}

/* FAQ */
.faq{max-width:840px;margin:0 auto;}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:12px;transition:border-color .25s ease;}
.faq details[open]{border-color:var(--gold);}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;cursor:pointer;font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink);list-style:none;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .sign{flex:none;width:30px;height:30px;border-radius:50%;background:rgba(197,160,89,.14);color:var(--gold-2);display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;transition:transform .25s ease;font-family:var(--sans);}
.faq details[open] summary .sign{transform:rotate(45deg);}
.faq details p{padding:0 26px 24px;margin:0;font-family:var(--sans);font-size:15.5px;line-height:1.62;color:var(--text-2);}
.faq details a{color:var(--gold-2);text-decoration:underline;}

/* Contact */
.contact{background:var(--navy);border-radius:24px;overflow:hidden;position:relative;box-shadow:var(--shadow-soft);}
.contact-deco{position:absolute;top:0;right:0;width:34%;height:100%;background:rgba(197,160,89,.06);transform:skewX(-12deg) translateX(40%);z-index:0;}
.contact-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;}
.contact-left{padding:56px 48px;color:#c8d0dc;}
.contact-left .badge{background:rgba(255,255,255,.06);border-color:rgba(197,160,89,.5);color:var(--gold-soft);}
.contact-left h2{color:#fff;font-size:clamp(28px,3.4vw,40px);margin:22px 0 18px;}
.contact-left .contact-lead{color:#b9c2d0;font-size:16.5px;line-height:1.6;max-width:420px;margin-bottom:28px;}
.contact-left ul{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-direction:column;gap:13px;font-family:var(--sans);font-size:15px;color:#d7dde8;}
.contact-left ul li{display:flex;gap:11px;align-items:center;}
.contact-left ul svg{width:17px;height:17px;color:var(--gold);flex:none;}
.contact-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch;max-width:360px;}
.mail-gold{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;color:var(--gold-soft);font-size:15px;}
.mail-gold:hover{color:#fff;}
.contact-right{background:var(--paper);padding:48px 42px;}
.contact-right h3{font-size:22px;margin-bottom:6px;}
.contact-right .rt-sub{font-family:var(--sans);font-size:14.5px;color:var(--text-2);margin-bottom:24px;}
.field{display:flex;flex-direction:column;gap:7px;font-family:var(--sans);font-size:13px;font-weight:600;color:var(--text);margin-bottom:18px;}
.field input,.field textarea,.field select{font-family:var(--sans);font-size:15px;color:var(--ink);padding:12px 14px;border:1px solid rgba(10,26,47,.2);border-radius:10px;background:var(--paper);outline:none;min-height:46px;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(197,160,89,.22);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-family:var(--sans);font-size:12.5px;color:var(--sand);line-height:1.5;margin:4px 0 16px;}
.form-note a{color:var(--gold-2);text-decoration:underline;}
.hp{position:absolute;left:-9999px;}
.form-success{display:none;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:360px;gap:16px;}
.form-success .ic{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:rgba(197,160,89,.16);color:var(--gold-2);}
.form-success svg{width:30px;height:30px;}
.form-success p{font-family:var(--sans);color:var(--text-2);max-width:320px;}

/* Footer */
.site-footer{background:var(--navy);color:#aeb8c6;margin-top:20px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding:56px 28px 38px;max-width:var(--wrap);margin:0 auto;}
.site-footer .brand{color:#fff;}
.site-footer .brand .ai{color:var(--gold);}
.footer-top h4{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--gold-soft);margin:0 0 16px;}
.foot-desc{font-family:var(--sans);font-size:14.5px;line-height:1.6;color:#9aa5b5;max-width:320px;margin:16px 0 0;}
.footer-links{display:flex;flex-direction:column;gap:11px;font-family:var(--sans);font-size:14.5px;}
.footer-links a{color:#c2cbd8;}
.footer-links a:hover{color:var(--gold-soft);}
.txt-muted{color:#8b96a6;}
.socials{display:flex;align-items:center;gap:10px;margin-top:18px;flex-wrap:wrap;}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.16);color:#c2cbd8;}
.socials a:hover{border-color:var(--gold);color:var(--gold-soft);}
.socials svg{width:18px;height:18px;}
.foot-en{width:auto!important;gap:7px;padding:0 14px;font-size:13.5px;font-weight:600;}
.footer-bar{max-width:var(--wrap);margin:0 auto;padding:20px 28px 30px;display:flex;align-items:center;justify-content:space-between;gap:14px 26px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);font-family:var(--sans);font-size:13px;color:#8b96a6;}
.footer-bar nav{display:flex;align-items:center;gap:8px 18px;flex-wrap:wrap;}
.footer-bar a{color:#a2adbc;}
.footer-bar a:hover{color:var(--gold-soft);}
.footer-bar .sep{color:#4a5568;}
.inline-ic{display:inline-flex;align-items:center;gap:7px;}
.inline-ic svg{width:15px;height:15px;}

/* Reveal (JS ajoute .reveal-in ; désactivé si reduced-motion) */
.reveal-init{opacity:0;transform:translateY(24px);}
.reveal-in{opacity:1;transform:none;transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);}
@media (prefers-reduced-motion:reduce){.reveal-init{opacity:1;transform:none;}}

/* Utilitaires */
.sprite{position:absolute;width:0;height:0;}
.mt-12{margin-top:12px;}
.mt-24{margin-top:24px;}
.center-note{text-align:center;font-family:var(--sans);font-size:14px;color:var(--sand);margin-top:26px;}

/* Méthode — énoncé central */
.method-core{margin:34px auto 0;max-width:640px;text-align:center;font-family:var(--serif);font-style:italic;font-size:clamp(18px,2.1vw,22px);color:var(--navy-brand);letter-spacing:-.2px;}
.method-core::before,.method-core::after{content:"—";color:var(--gold-brand);margin:0 12px;font-style:normal;}

/* Bloc « prochaine étape » (cross-selling contextuel) */
.next-step{margin-top:34px;background:var(--paper-warm);border:1px solid var(--line);border-radius:18px;padding:26px 30px;display:grid;grid-template-columns:1fr auto;gap:20px 26px;align-items:center;}
.next-step .ns-title{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.next-step .ns-lead{font-family:var(--sans);font-size:14.5px;color:var(--text-2);line-height:1.55;}
.next-step .ns-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;}
.ns-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:10px;border:1px solid rgba(197,160,89,.55);background:var(--paper);font-family:var(--sans);font-size:14px;font-weight:600;color:var(--navy-brand);transition:background .2s ease,border-color .2s ease,color .2s ease;}
.ns-btn:hover{background:rgba(200,162,75,.1);border-color:var(--gold-brand);color:var(--navy-brand);}
.ns-btn svg{width:15px;height:15px;color:var(--gold-2);}
@media (max-width:720px){.next-step{grid-template-columns:1fr;}.next-step .ns-actions{justify-content:flex-start;}}

/* Le Coin IA — hub ressources */
.coin{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.coin-tile{background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .3s ease,box-shadow .3s ease,transform .3s ease;}
.coin-tile:hover{border-color:var(--gold-brand);box-shadow:var(--shadow-card);transform:translateY(-3px);}
.coin-tile .thumb{aspect-ratio:16/10;background:var(--paper-warm);overflow:hidden;position:relative;}
.coin-tile .thumb img{width:100%;height:100%;object-fit:cover;}
.coin-tile .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.coin-tile .tag{font-family:var(--sans);font-size:11.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--gold-2);}
.coin-tile h3{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);margin:0;line-height:1.28;}
.coin-tile p{font-family:var(--sans);font-size:14px;line-height:1.55;color:var(--text-2);margin:0;}
.coin-tile .soon{margin-top:auto;padding-top:14px;font-family:var(--sans);font-size:12.5px;font-weight:600;color:var(--sand);display:inline-flex;align-items:center;gap:7px;}
.coin-tile .soon svg{width:14px;height:14px;color:var(--gold-2);}
.coin-note{margin-top:30px;text-align:center;font-family:var(--sans);font-size:14.5px;color:var(--text-2);}
.coin-note a{color:var(--gold-2);text-decoration:underline;font-weight:600;}
@media (max-width:920px){.coin{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.coin{grid-template-columns:1fr;}}

/* Diagnostic IA — bloc d'ancre dédié */
.diag{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:44px 46px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;box-shadow:var(--shadow-card);position:relative;overflow:hidden;}
.diag::after{content:"";position:absolute;top:-40px;right:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(200,162,75,.14),transparent 65%);pointer-events:none;}
.diag .diag-eyebrow{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--gold-2);margin-bottom:12px;}
.diag h2{font-family:var(--serif);font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--navy-brand);margin-bottom:14px;letter-spacing:-.4px;}
.diag p.diag-lead{font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--text-2);margin-bottom:22px;max-width:460px;}
.diag ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;position:relative;z-index:1;}
.diag ul li{display:flex;align-items:flex-start;gap:11px;font-family:var(--sans);font-size:14.5px;color:var(--text);}
.diag ul li svg{width:18px;height:18px;color:var(--gold-brand);flex:none;margin-top:2px;}
.diag .diag-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:1;}
@media (max-width:820px){.diag{grid-template-columns:1fr;padding:34px 28px;}}

/* Pages légales */
.legal{max-width:820px;margin:0 auto;padding:0 28px;}
.legal .doc-title{padding:64px 0 32px;border-bottom:1px solid var(--line);}
.legal h1{font-family:var(--serif);font-size:clamp(32px,5vw,54px);letter-spacing:-1px;font-weight:700;margin-bottom:16px;}
.legal .doc-title .lead{margin-top:16px;color:var(--text-2);}
.serif{font-family:var(--serif);font-style:italic;font-weight:600;color:var(--gold-2);}
.legal article{padding:14px 0 40px;font-family:var(--sans);font-size:16.5px;line-height:1.7;color:var(--text);}
.legal section{padding:28px 0;border-top:1px solid var(--line-soft);}
.legal section:first-child{border-top:none;}
.legal h2{font-family:var(--serif);font-size:24px;font-weight:700;letter-spacing:-.4px;margin-bottom:14px;display:flex;align-items:baseline;gap:12px;color:var(--ink);}
.legal h2 .n{font-family:var(--serif);font-size:20px;color:var(--gold);font-style:normal;}
.legal p{margin:0 0 12px;}
.legal ul,.legal ol{margin:0 0 12px;padding-left:22px;}
.legal li{margin-bottom:8px;}
.legal a{color:var(--gold-2);text-decoration:underline;}
.legal a:hover{color:var(--navy);}
.legal code{background:var(--stone);padding:1px 6px;border-radius:5px;font-family:monospace;font-size:.9em;}
.callout{background:var(--paper-warm);border:1px solid rgba(197,160,89,.4);border-radius:12px;padding:18px 22px;display:flex;gap:13px;align-items:flex-start;margin:16px 0;}
.callout svg{width:20px;height:20px;color:var(--gold-2);flex:none;margin-top:2px;}
.callout p{font-family:var(--sans);font-size:14.5px;line-height:1.6;color:var(--text-2);margin:0;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-size:14.5px;font-weight:600;color:var(--ink);}
.back-link:hover{color:var(--gold-2);}
.pb-40{padding:0 0 40px;}

/* Page 404 */
.nf-wrap{text-align:center;padding:110px 28px;max-width:600px;margin:0 auto;}
.nf-h1{font-family:var(--serif);font-size:clamp(34px,5vw,56px);font-weight:700;letter-spacing:-1px;margin-bottom:16px;}
.nf-lead{font-family:var(--sans);max-width:460px;margin:0 auto 28px;color:var(--text-2);}
.nf-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* Bandeaux photographiques éditoriaux (atmosphère + applications).
   Ces images n'attestent d'aucun bureau ni employé VsimplifAI ; usage atmosphérique uniquement. */
.office-wrap{padding:8px 0 0;}
.atmosphere-band,
.applications-hero{position:relative;width:100%;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);background:var(--paper-warm);}
.atmosphere-band picture,
.applications-hero picture,
.atmosphere-band picture > img,
.applications-hero picture > img{display:block;width:100%;height:auto;}
.applications-hero{margin-bottom:28px;}
.applications-hero > picture > img{aspect-ratio:1536/1024;object-fit:cover;}
.atmosphere-band > picture > img{aspect-ratio:1536/1024;object-fit:cover;}
@media (max-width:640px){
  .atmosphere-band,
  .applications-hero{border-radius:14px;}
}

.about-brand{background:radial-gradient(130% 95% at 50% 8%,rgba(197,160,89,.2),transparent 58%),var(--navy);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:52px 34px;position:relative;overflow:hidden;min-height:100%;}
.about-brand::after{content:"";position:absolute;left:14%;right:14%;bottom:30%;height:1.4px;background:linear-gradient(90deg,transparent,rgba(197,160,89,.6),transparent);}
.about-brand img{width:92px;height:92px;border-radius:50%;box-shadow:0 22px 50px -22px rgba(0,0,0,.7);position:relative;z-index:1;}
.about-brand .ab-name{font-family:var(--serif);font-size:26px;font-weight:700;color:#fff;letter-spacing:-.3px;position:relative;z-index:1;}
.about-brand .ab-name .ai{color:var(--gold);}
.about-brand .ab-sub{font-family:var(--sans);font-size:12.5px;letter-spacing:.4px;color:var(--gold-soft);max-width:280px;line-height:1.55;position:relative;z-index:1;}

.principles{display:flex;flex-direction:column;gap:18px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line-soft);}
.principle{display:flex;gap:14px;align-items:flex-start;}
.principle .p-ic{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:11px;background:rgba(197,160,89,.13);color:var(--gold-2);flex:none;}
.principle .p-ic svg{width:21px;height:21px;}
.principle h3{font-family:var(--serif);font-size:17px;margin-bottom:3px;color:var(--ink);}
.principle p{font-family:var(--sans);font-size:14px;color:var(--text-2);line-height:1.55;margin:0;}

.mb-26{margin-bottom:26px;}
.btn-outline-gold{background:transparent;border-color:rgba(197,160,89,.6);color:var(--gold-soft);}
.btn-outline-gold:hover{background:rgba(197,160,89,.12);color:#fff;}

.contact-fine{font-family:var(--sans);font-style:italic;font-size:13px;line-height:1.6;color:#aab4c2;margin:2px 0 26px;max-width:430px;}

/* Responsive */
@media (max-width:1010px){
  .nav-links{display:none;}
  .nav-links.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:16px;background:var(--limestone);border-bottom:1px solid var(--line);padding:22px 28px;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:920px){
  .hero,.about{grid-template-columns:1fr;gap:38px;}
  .about .frame{border-right:none;border-bottom:1px solid var(--line-soft);min-height:420px;}
  .grid-3,.grid-4,.method{grid-template-columns:1fr 1fr;}
  .trust-grid{grid-template-columns:1fr;gap:16px;}
  .contact-grid{grid-template-columns:1fr;}
  .method .thread{display:none;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .ba{grid-template-columns:1fr;gap:16px;}
  .ba-arrow{flex-direction:row;transform:rotate(90deg);}
}
@media (max-width:640px){
  body{font-size:16px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .grid-3,.grid-4,.method,.field-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .section{padding:56px 0 24px;}
  .about-body,.contact-left,.contact-right{padding:36px 26px;}
  .ba{padding:26px 22px;}
}