/* ===== VS EXPERTISES — feuille de style commune ===== */
:root{
  --navy:#122b4a;
  --navy-light:#1d3f6e;
  --accent:#b08d43;
  --accent-light:#c6a057;
  --grey:#5a6672;
  --bg:#f6f7f9;
  --white:#ffffff;
  --border:#e3e7ec;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:Georgia,'Times New Roman',serif;color:#2b3540;line-height:1.65;background:var(--white);}
.sans{font-family:'Segoe UI',Helvetica,Arial,sans-serif;}
.container{max-width:1080px;margin:0 auto;padding:0 24px;}
a{color:var(--navy);}
img{max-width:100%;}

/* Header / nav */
header{position:sticky;top:0;z-index:100;background:var(--navy);box-shadow:0 2px 8px rgba(0,0,0,.25);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:1080px;margin:0 auto;}
.logo{display:flex;align-items:center;color:var(--white);font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-weight:700;font-size:1.2rem;letter-spacing:.12em;text-decoration:none;}
.logo img{height:40px;margin-right:10px;}
.logo span{color:var(--accent);}
nav ul{display:flex;gap:24px;list-style:none;align-items:center;}
nav a{color:#d8dee6;text-decoration:none;font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.92rem;letter-spacing:.03em;padding:4px 0;border-bottom:2px solid transparent;}
nav a:hover{color:var(--accent);}
nav a.active{color:var(--white);border-bottom-color:var(--accent);}
nav a.cta{background:var(--accent);color:var(--navy);padding:9px 18px;border-radius:2px;font-weight:600;border:none;}
nav a.cta:hover{background:var(--accent-light);color:var(--navy);}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer;}

/* Buttons */
.btn{display:inline-block;background:var(--accent);color:var(--navy);font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-weight:600;padding:14px 34px;text-decoration:none;border-radius:2px;letter-spacing:.04em;border:none;cursor:pointer;font-size:1rem;}
.btn:hover{background:var(--accent-light);}
.btn.ghost{background:transparent;color:var(--white);border:1px solid #ffffff55;margin-left:12px;}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:transparent;}

/* Hero (home) */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:var(--white);padding:90px 0 110px;text-align:center;position:relative;overflow:hidden;}
.hero .container{position:relative;z-index:1;}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:150px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1000' height='150' viewBox='0 0 1000 150'%3E%3Cg fill='%23ffffff' fill-opacity='0.055'%3E%3Crect x='0' y='70' width='70' height='80'/%3E%3Crect x='80' y='40' width='55' height='110'/%3E%3Crect x='145' y='90' width='65' height='60'/%3E%3Crect x='220' y='25' width='50' height='125'/%3E%3Crect x='280' y='65' width='75' height='85'/%3E%3Crect x='365' y='45' width='55' height='105'/%3E%3Crect x='430' y='85' width='70' height='65'/%3E%3Crect x='510' y='30' width='60' height='120'/%3E%3Crect x='580' y='70' width='65' height='80'/%3E%3Crect x='655' y='50' width='55' height='100'/%3E%3Crect x='720' y='90' width='70' height='60'/%3E%3Crect x='800' y='35' width='55' height='115'/%3E%3Crect x='865' y='75' width='65' height='75'/%3E%3Crect x='940' y='55' width='60' height='95'/%3E%3C/g%3E%3C/svg%3E") repeat-x bottom center;}
.hero .badge{display:inline-block;font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);padding:6px 16px;border-radius:2px;margin-bottom:26px;}
.hero h1{font-size:2.3rem;font-weight:400;max-width:760px;margin:0 auto 18px;line-height:1.3;}
.hero p.sub{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:#c3ccd8;max-width:640px;margin:0 auto 34px;font-size:1.05rem;}

/* Page banner (inner pages) */
.page-banner{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:var(--white);padding:56px 0 46px;text-align:center;}
.page-banner h1{font-size:2rem;font-weight:400;margin-bottom:8px;}
.page-banner p{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:#c3ccd8;max-width:640px;margin:0 auto;font-size:1rem;}
.breadcrumb{font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.82rem;color:#8fa0b5;padding:14px 0;background:var(--bg);border-bottom:1px solid var(--border);}
.breadcrumb a{color:var(--grey);text-decoration:none;}
.breadcrumb a:hover{color:var(--navy);}

/* Sections */
section{padding:64px 0;}
.alt{background:var(--bg);}
.section-title{text-align:center;font-size:1.8rem;font-weight:400;color:var(--navy);margin-bottom:6px;}
.section-sub{text-align:center;font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--grey);max-width:680px;margin:0 auto 44px;font-size:.98rem;}
.rule{width:56px;height:3px;background:var(--accent);margin:16px auto 22px;}
.prose{max-width:760px;margin:0 auto;font-size:1.02rem;}
.prose h2{color:var(--navy);font-weight:400;font-size:1.5rem;margin:34px 0 12px;}
.prose h3{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--navy);font-size:1.1rem;margin:26px 0 8px;}
.prose p{margin-bottom:16px;}
.prose ul{margin:0 0 16px 22px;}
.prose li{margin-bottom:8px;}

/* Cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;}
.card{background:var(--white);border:1px solid var(--border);border-top:3px solid var(--accent);padding:30px 26px;}
.alt .card{background:var(--white);}
.card h3{font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:1.05rem;color:var(--navy);margin-bottom:12px;letter-spacing:.02em;}
.card p{font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.93rem;color:var(--grey);}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:26px;}
.step{text-align:center;padding:0 10px;}
.step .num{width:52px;height:52px;border-radius:50%;background:var(--navy);color:var(--accent);display:flex;align-items:center;justify-content:center;font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-weight:700;font-size:1.2rem;margin:0 auto 16px;}
.step h3{font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:1rem;color:var(--navy);margin-bottom:8px;}
.step p{font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.9rem;color:var(--grey);}

/* Zones */
.zones{display:flex;justify-content:center;gap:26px;flex-wrap:wrap;}
.zone{background:var(--white);border:1px solid var(--border);padding:26px 40px;text-align:center;min-width:220px;}
.zone h3{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--navy);font-size:1.1rem;margin-bottom:6px;}
.zone p{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--grey);font-size:.88rem;}

/* Portrait / about */
.about-wrap{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start;}
.portrait{text-align:center;}
.portrait img{width:100%;max-width:300px;border:4px solid var(--white);box-shadow:0 6px 24px rgba(18,43,74,.25);border-radius:3px;}
.portrait .caption{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--navy);font-weight:600;margin-top:14px;font-size:.95rem;}
.portrait .caption span{display:block;color:var(--grey);font-weight:400;font-size:.85rem;}
.cred{background:var(--navy);color:#d8dee6;padding:26px 26px;font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.92rem;}
.cred h3{color:var(--white);font-size:1rem;margin-bottom:14px;letter-spacing:.05em;text-transform:uppercase;}
.cred ul{list-style:none;}
.cred li{padding:9px 0;border-bottom:1px solid #ffffff1c;}
.cred li:last-child{border-bottom:none;}
.cred li::before{content:"— ";color:var(--accent);}

/* Logos band */
.logos{display:flex;justify-content:center;align-items:center;gap:48px;flex-wrap:wrap;margin-top:12px;}
.logos img{height:100px;}
.logos img.round{height:110px;}

/* FAQ accordion */
.faq{max-width:800px;margin:0 auto;}
.faq details{background:var(--white);border:1px solid var(--border);border-left:3px solid var(--accent);margin-bottom:12px;padding:0;}
.faq summary{cursor:pointer;padding:18px 22px;font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-weight:600;color:var(--navy);font-size:1rem;list-style:none;position:relative;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";position:absolute;right:22px;color:var(--accent);font-size:1.4rem;line-height:1;}
.faq details[open] summary::after{content:"–";}
.faq details p{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--grey);font-size:.95rem;padding:0 22px 20px;}
.faq details p+p{padding-top:0;}

/* CTA band */
.cta-band{background:var(--navy);color:var(--white);text-align:center;padding:56px 0;}
.cta-band h2{font-weight:400;font-size:1.7rem;margin-bottom:12px;}
.cta-band p{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:#c3ccd8;margin-bottom:26px;max-width:600px;margin-left:auto;margin-right:auto;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.contact-info h3{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--navy);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin:22px 0 6px;}
.contact-info p, .contact-info a{font-family:'Segoe UI',Helvetica,Arial,sans-serif;color:var(--grey);font-size:1rem;text-decoration:none;}
.contact-info a:hover{color:var(--accent);}
.contact-info .big{font-size:1.15rem;font-weight:600;color:var(--navy);}
form.contact{font-family:'Segoe UI',Helvetica,Arial,sans-serif;}
form.contact label{display:block;font-size:.85rem;color:var(--navy);margin:14px 0 5px;font-weight:600;}
form.contact input,form.contact select,form.contact textarea{width:100%;padding:11px 13px;border:1px solid #c9d0d9;border-radius:2px;font-size:.95rem;font-family:inherit;background:var(--white);}
form.contact input:focus,form.contact select:focus,form.contact textarea:focus{outline:none;border-color:var(--accent);}
form.contact textarea{min-height:130px;resize:vertical;}
form.contact .hp{position:absolute;left:-9999px;}
form.contact .consent{font-size:.8rem;color:var(--grey);font-weight:400;margin-top:14px;display:flex;gap:8px;align-items:flex-start;}
form.contact .consent input{width:auto;margin-top:3px;}
form.contact button{margin-top:20px;width:100%;}
.form-note{font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.85rem;padding:14px 16px;border-radius:2px;margin-bottom:18px;}
.form-note.ok{background:#e6f4ea;border:1px solid #b7dfc4;color:#1e6b38;}
.form-note.err{background:#fbeaea;border:1px solid #e6b8b8;color:#a12626;}

/* Map */
.map iframe{width:100%;height:320px;border:0;filter:grayscale(.2);}

/* Footer */
footer{background:#0d1f36;color:#8d99a8;font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:.85rem;padding:48px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;max-width:1080px;margin:0 auto;padding:0 24px;}
footer h4{color:#c3ccd8;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;}
footer p{margin-bottom:8px;line-height:1.6;}
footer a{color:#b3bdc9;text-decoration:none;}
footer a:hover{color:var(--accent);}
footer ul{list-style:none;}
footer li{margin-bottom:9px;}
.foot-bottom{border-top:1px solid #ffffff14;margin-top:32px;padding-top:18px;text-align:center;font-size:.78rem;max-width:1080px;margin-left:auto;margin-right:auto;}

@media(max-width:820px){
  .about-wrap{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:30px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
}
@media(max-width:760px){
  nav ul{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--navy);padding:16px 24px;gap:14px;align-items:flex-start;}
  nav ul.open{display:flex;}
  .nav-toggle{display:block;}
  .hero h1{font-size:1.7rem;}
  .btn.ghost{margin-left:0;margin-top:12px;}
}