/* Cabinet Dumas — style institutionnel (démo experts-comptables) */
:root{
  --navy:#1b3a68; --navy-d:#142c50; --blue:#2f6bb0; --blue-l:#eaf1f9;
  --ink:#1b2634; --muted:#5c6a7a; --line:#e5ebf2; --alt:#f5f8fc; --white:#fff; --gold:#c9a24b;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:16px;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px;}
h1,h2,h3{line-height:1.2;font-weight:800;color:var(--navy);letter-spacing:-.01em;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:6px;font-weight:600;font-size:.95rem;border:1.5px solid transparent;cursor:pointer;transition:.18s;}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--navy-d);}
.btn-ghost{border-color:#cdd7e3;color:var(--navy);background:#fff;}
.btn-ghost:hover{border-color:var(--navy);}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);margin-bottom:12px;}
section{padding:76px 0;}

/* Bandeau démo */
.sim-bar{background:var(--navy-d);color:rgba(255,255,255,.82);display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 14px;font-size:.8rem;padding:9px 16px;position:relative;z-index:60;}
.sim-back{display:inline-flex;align-items:center;gap:5px;background:#fff;color:var(--navy)!important;font-weight:700;padding:6px 14px;border-radius:999px;}
.sim-back:hover{background:var(--blue-l);}

/* Barre de contact */
.topbar{background:var(--navy);color:rgba(255,255,255,.9);font-size:.82rem;}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 26px;align-items:center;padding-top:9px;padding-bottom:9px;}
.topbar span{display:inline-flex;align-items:center;gap:7px;}
.topbar svg{width:14px;height:14px;opacity:.85;flex-shrink:0;}
.topbar .tb-ordre{margin-left:auto;font-weight:600;color:#fff;}

/* Header / nav */
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{width:46px;height:46px;display:block;flex-shrink:0;}
.brand-name{font-weight:800;font-size:1.15rem;color:var(--navy);}
.brand-sub{font-size:.72rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;}
nav.main{display:flex;gap:28px;align-items:center;}
nav.main a{font-weight:600;font-size:.92rem;color:var(--ink);}
nav.main a:hover{color:var(--blue);}
nav.main a.active{color:var(--blue);}
nav.main a.btn-primary{color:#fff;}
nav.main a.btn-primary:hover{color:#fff;}

/* Bandeau alerte */
.alertbar{background:var(--blue-l);border-bottom:1px solid #d7e4f2;}
.alertbar .wrap{display:flex;align-items:center;gap:12px;padding-top:11px;padding-bottom:11px;font-size:.9rem;color:var(--navy);}
.alertbar strong{font-weight:700;}
.alertbar .tag{flex-shrink:0;background:var(--navy);color:#fff;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:3px 9px;border-radius:4px;}

/* Hero accueil */
.hero{background:var(--alt);}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero h1{font-size:clamp(2rem,4vw,3rem);}
.hero p{margin:20px 0 28px;color:var(--muted);font-size:1.08rem;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.hero-img{border-radius:12px;overflow:hidden;box-shadow:0 24px 60px rgba(20,44,80,.16);}
.hero-img img{width:100%;height:420px;object-fit:cover;}

/* Missions */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;}
.m-card{border:1px solid var(--line);border-radius:12px;padding:26px 24px;transition:.18s;background:#fff;}
.m-card:hover{border-color:#c3d4e6;box-shadow:0 14px 34px rgba(20,44,80,.08);transform:translateY(-2px);}
.m-ico{width:46px;height:46px;border-radius:10px;background:var(--blue-l);color:var(--navy);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.m-ico svg{width:23px;height:23px;}
.m-card h3{font-size:1.12rem;margin-bottom:8px;}
.m-card p{color:var(--muted);font-size:.92rem;}

/* Chiffres */
.stats{background:var(--navy);color:#fff;}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat b{display:block;font-size:2.3rem;font-weight:800;color:#fff;line-height:1;}
.stat span{font-size:.9rem;color:rgba(255,255,255,.75);margin-top:8px;display:block;}

/* Interlocuteur */
.inter{background:var(--alt);}
.inter .wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center;}
.inter-photo{border-radius:12px;overflow:hidden;box-shadow:0 20px 50px rgba(20,44,80,.14);}
.inter-photo img{width:100%;height:380px;object-fit:cover;}
.inter blockquote{font-size:1.15rem;color:var(--ink);font-weight:500;line-height:1.6;margin:18px 0;border-left:3px solid var(--blue);padding-left:18px;}
.inter .sign{font-weight:700;color:var(--navy);}
.inter .sign span{display:block;font-weight:500;color:var(--muted);font-size:.9rem;}

/* Actualités */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px;}
.n-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:.18s;}
.n-card:hover{box-shadow:0 14px 34px rgba(20,44,80,.08);}
.n-body{padding:20px 22px;}
.n-date{font-size:.78rem;font-weight:600;color:var(--blue);text-transform:uppercase;letter-spacing:.05em;}
.n-card h3{font-size:1.02rem;margin:8px 0 6px;}
.n-card p{color:var(--muted);font-size:.88rem;}
.n-thumb{height:8px;background:var(--navy);}

/* CTA */
.cta{background:var(--navy);color:#fff;text-align:center;}
.cta h2{color:#fff;font-size:clamp(1.7rem,3vw,2.3rem);}
.cta p{color:rgba(255,255,255,.8);max-width:560px;margin:14px auto 26px;}
.cta .btn-primary{background:#fff;color:var(--navy);}
.cta .btn-primary:hover{background:var(--blue-l);}

/* Footer */
footer{background:var(--navy-d);color:rgba(255,255,255,.72);font-size:.88rem;padding:48px 0 28px;}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;font-weight:700;}
footer a{color:rgba(255,255,255,.72);}
footer a:hover{color:#fff;}
footer ul{list-style:none;display:flex;flex-direction:column;gap:8px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:.8rem;color:rgba(255,255,255,.55);text-align:center;}

/* Bouton retour flottant */
.demo-back{position:fixed;left:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:999;display:inline-flex;align-items:center;gap:7px;padding:13px 18px;border-radius:999px;background:var(--navy);color:#fff;font-size:13px;font-weight:600;box-shadow:0 8px 24px rgba(20,44,80,.4);border:1px solid rgba(255,255,255,.14);}
.demo-back:hover{background:var(--navy-d);}
.demo-back span{font-size:15px;}

/* ── Pages internes ─────────────────────────────── */
.page-hero{background:var(--navy);color:#fff;padding:52px 0 48px;}
.page-hero .eyebrow{color:#9db8d8;}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem);}
.page-hero p{color:rgba(255,255,255,.82);max-width:640px;margin-top:12px;font-size:1.05rem;}
.prose{max-width:720px;}
.prose p{color:var(--muted);margin-bottom:16px;}
.prose h2{margin:6px 0 14px;}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-img{border-radius:12px;overflow:hidden;box-shadow:0 20px 50px rgba(20,44,80,.14);}
.split-img img{width:100%;height:100%;max-height:430px;object-fit:cover;}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:12px;}
.v-card{border:1px solid var(--line);border-radius:12px;padding:24px;background:#fff;}
.v-card .m-ico{margin-bottom:14px;}
.v-card h3{font-size:1.05rem;margin-bottom:8px;}
.v-card p{color:var(--muted);font-size:.92rem;}
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:14px;}
.member{text-align:center;}
.member .ph{width:100%;height:210px;border-radius:12px;background:var(--blue-l);margin-bottom:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:var(--navy);}
.member .ph img{width:100%;height:100%;object-fit:cover;}
.member .ph svg{width:52px;height:52px;opacity:.55;}
.member b{display:block;color:var(--navy);font-size:1.02rem;}
.member span{font-size:.88rem;color:var(--muted);}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;}
.contact-info{list-style:none;}
.contact-info li{display:flex;gap:13px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);}
.contact-info li:last-child{border-bottom:none;}
.contact-info svg{width:20px;height:20px;color:var(--blue);flex-shrink:0;margin-top:2px;}
.contact-info b{display:block;color:var(--navy);}
.contact-info span{color:var(--muted);font-size:.92rem;}
.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 14px 40px rgba(20,44,80,.06);}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form label{display:block;font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:6px;}
.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:11px 13px;font-family:inherit;font-size:.95rem;margin-bottom:16px;color:var(--ink);}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--blue);}
.form textarea{min-height:130px;resize:vertical;}

@media(max-width:900px){
  .hero .wrap,.inter .wrap{grid-template-columns:1fr;gap:32px;}
  .grid3,.news-grid{grid-template-columns:1fr 1fr;}
  .stats .wrap{grid-template-columns:1fr 1fr;gap:28px 24px;}
  footer .wrap{grid-template-columns:1fr;}
  nav.main{display:none;}
  .split,.contact-grid{grid-template-columns:1fr;gap:30px;}
  .values,.team{grid-template-columns:1fr 1fr;}
}
@media(max-width:560px){
  section{padding:56px 0;}
  .grid3,.news-grid,.stats .wrap,.values,.team{grid-template-columns:1fr;}
  .form .row{grid-template-columns:1fr;}
  .topbar .tb-ordre{margin-left:0;}
  .hero-img img,.inter-photo img{height:280px;}
}