/* ============================================================
   Nettoyage Wallonie — thème distinct (vert nature / sable)
   Volontairement différent de fhnclean.be (bleu pétrole)
   ============================================================ */
:root{
  --green:#1f6f54;        /* vert profond — couleur de marque */
  --green-2:#2c8c6a;
  --green-light:#e6f2ec;
  --green-mist:#f2f8f5;
  --sand:#f7f4ee;
  --sand-2:#efe9dd;
  --ink:#1c2b26;
  --ink-soft:#3d4d47;
  --muted:#6b7a74;
  --line:rgba(28,43,38,.10);
  --gold:#c9a24b;
  --paper:#ffffff;
  --radius:16px;
  --shadow:0 10px 30px rgba(28,43,38,.08);
  --maxw:1140px;
  --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font); color:var(--ink); line-height:1.65;
  background:var(--paper); -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}
.section{padding:clamp(3rem,7vw,5rem) 0}
.section--tint{background:var(--green-mist)}
.section--sand{background:var(--sand-2)}
h1,h2,h3{line-height:1.2;color:var(--ink);font-weight:800}
h1{font-size:clamp(2rem,5vw,3.1rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.5vw,2.2rem);margin-bottom:.6rem}
h3{font-size:1.15rem}
p{margin-bottom:1rem}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:60ch}
.kicker{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--green-2);margin-bottom:.6rem;
}
.muted{color:var(--muted)}

/* --- Header --- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;
  padding:.8rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;
  font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand:hover{text-decoration:none}
.brand svg{flex:0 0 auto}
.nav-links{display:flex;gap:1.4rem;align-items:center;list-style:none}
.nav-links a{color:var(--ink-soft);font-weight:600;font-size:.95rem}
.nav-links a:hover{color:var(--green)}
.btn{
  display:inline-block;background:var(--green);color:#fff;font-weight:700;
  padding:.7rem 1.3rem;border-radius:999px;border:1px solid var(--green);
  transition:transform .15s ease,background .15s ease;text-decoration:none;
  font-size:.95rem;cursor:pointer;
}
.btn:hover{background:var(--green-2);transform:translateY(-1px);text-decoration:none}
.btn--ghost{background:transparent;color:var(--green)}
.btn--ghost:hover{background:var(--green-light)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:#2a2410}
.btn--gold:hover{background:#d8b45f}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;color:var(--ink)}

/* --- Hero --- */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--green-mist),var(--sand-2))}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center;
  padding:clamp(3rem,7vw,5.5rem) 0}
.hero h1 span{color:var(--green)}
.hero .lead{margin:1.2rem 0 1.8rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-art{width:100%;height:auto;filter:drop-shadow(0 20px 40px rgba(28,43,38,.12))}
.badges{display:flex;gap:1.5rem;flex-wrap:wrap;margin-top:2rem;
  padding-top:1.5rem;border-top:1px solid var(--line)}
.badge b{display:block;font-size:1.5rem;color:var(--green);font-weight:800}
.badge span{font-size:.85rem;color:var(--muted)}

/* --- Cards --- */
.grid{display:grid;gap:1.4rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(28,43,38,.12)}
.card .ico{width:52px;height:52px;margin-bottom:1rem}
.card h3{margin-bottom:.4rem}
.card p{font-size:.95rem;color:var(--ink-soft);margin-bottom:0}

/* --- Zones list --- */
.zones-cols{columns:3;column-gap:2rem}
.zones-cols a{display:block;padding:.35rem 0;color:var(--ink-soft);
  border-bottom:1px solid var(--line);font-size:.95rem}
.zones-cols a:hover{color:var(--green)}
@media(max-width:800px){.zones-cols{columns:2}}
@media(max-width:520px){.zones-cols{columns:1}}

/* --- CTA band --- */
.cta-band{background:var(--green);color:#fff;text-align:center;border-radius:var(--radius);
  padding:clamp(2rem,5vw,3.5rem);box-shadow:var(--shadow)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:60ch;margin:0 auto 1.5rem}
.cta-band .btn{background:#fff;color:var(--green);border-color:#fff}
.cta-band .btn:hover{background:var(--green-light)}
.cta-band .btn--gold{background:var(--gold);color:#2a2410;border-color:var(--gold)}

/* --- Partner box (lien vers FHN Clean) --- */
.partner{display:flex;gap:1.4rem;align-items:center;flex-wrap:wrap;
  background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--green);
  border-radius:var(--radius);padding:1.6rem 1.8rem;box-shadow:var(--shadow)}
.partner .txt{flex:1 1 340px}
.partner h3{margin-bottom:.3rem}
.partner p{margin-bottom:0;font-size:.95rem;color:var(--ink-soft)}

/* --- Forms / contact --- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.info-line{display:flex;gap:.7rem;align-items:flex-start;margin-bottom:1rem}
.info-line svg{flex:0 0 auto;margin-top:3px}
.info-line b{display:block}
.field{margin-bottom:1rem}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.35rem}
.field input,.field textarea{
  width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;
  font:inherit;font-size:.95rem;background:var(--green-mist);
}
.field input:focus,.field textarea:focus{outline:2px solid var(--green-2);background:#fff}

/* --- Footer --- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.8);padding:3rem 0 1.5rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:.8rem;text-transform:uppercase;
  letter-spacing:.05em;font-weight:700}
.site-footer a{color:rgba(255,255,255,.8);display:block;padding:.2rem 0;font-size:.92rem}
.site-footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:1.2rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;
  font-size:.85rem;color:rgba(255,255,255,.6)}

/* --- Breadcrumb --- */
.crumb{font-size:.85rem;color:var(--muted);padding:1rem 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--green)}

/* --- Responsive --- */
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-art{max-width:420px;margin:0 auto}
  .hero-cta,.badges{justify-content:center}
  .grid--3,.grid--4{grid-template-columns:1fr 1fr}
  .contact-grid,.foot-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;padding:1rem;border-bottom:1px solid var(--line);gap:.4rem}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .grid--3,.grid--4,.grid--2{grid-template-columns:1fr}
}