:root{
  --primary:#3a8a5a;
  --primary-dark:#226b3e;
  --accent:#a07d3a;
  --bg:#fafaf7;
  --text:#222;
  --muted:#5a5a55;
  --border:#e3e1d8;
  --card:#fff;
  --error:#a02020;
  --success:#1d6b3a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;
  font-size:16px;line-height:1.55;color:var(--text);background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--primary-dark)}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
h1,h2,h3{line-height:1.25;color:var(--primary-dark);margin:0 0 .6em}
h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700}
h2{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:700;margin-top:0}
h3{font-size:1.1rem;font-weight:600}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.2em}
li{margin-bottom:.4em}

/* Header */
.site-header{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:30;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;font-size:1.05rem;color:var(--primary-dark);text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.brand-logo{width:36px;height:35px;flex:none}
.brand span{color:var(--accent)}
.header-tel{font-weight:600;color:var(--primary-dark);text-decoration:none;font-size:1rem}
.header-tel:hover{color:var(--accent)}

/* Hero */
.hero{
  position:relative;color:#fff;
  padding:32px 0 40px;
  background:#1a1a1a;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('../images/taupinieres-pelouse-mobile.webp') center/cover no-repeat;
  z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,20,15,.78),rgba(15,20,15,.85));
  z-index:1;
}
.hero .container{position:relative;z-index:2;display:grid;gap:24px;grid-template-columns:1fr}
.hero h1{color:#fff;margin-bottom:.4em}
.hero-sub{color:#e8e6dd;font-size:1.05rem;margin-bottom:18px}
.hero-points{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:6px}
.hero-points li{padding-left:24px;position:relative;color:#e8e6dd}
.hero-points li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:700}
.hero-cta-tel{
  display:inline-block;background:var(--accent);color:#1a1a1a;font-weight:700;
  padding:12px 18px;border-radius:4px;text-decoration:none;font-size:1.05rem;
}
.hero-cta-tel:hover{background:#b8903f;color:#1a1a1a}

/* Form */
.lead-form{
  background:#fff;color:var(--text);
  border-radius:6px;padding:20px 18px;
  box-shadow:0 4px 20px rgba(0,0,0,.18);
}
.lead-form h2{font-size:1.2rem;margin-bottom:6px}
.lead-form .form-sub{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.lead-form label{display:block;font-size:.88rem;font-weight:600;margin-bottom:4px;color:var(--text)}
.lead-form input,.lead-form textarea{
  width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:4px;
  font:inherit;color:var(--text);background:#fff;margin-bottom:12px;
}
.lead-form input:focus,.lead-form textarea:focus{outline:2px solid var(--primary);outline-offset:0;border-color:var(--primary)}
.lead-form textarea{min-height:80px;resize:vertical}
.lead-form .form-row{display:grid;grid-template-columns:110px 1fr;gap:10px}
.lead-form .form-row label{margin-bottom:4px}
.lead-form .submit{
  width:100%;padding:12px 16px;background:var(--primary);color:#fff;border:0;
  font-weight:700;font-size:1rem;border-radius:4px;cursor:pointer;
}
.lead-form .submit:hover{background:var(--primary-dark)}
.lead-form .legal{font-size:.78rem;color:var(--muted);margin-top:10px;margin-bottom:0}
.hp{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{padding:10px;border-radius:4px;margin-bottom:12px;font-size:.92rem;display:none}
.form-msg.error{display:block;background:#fbe6e6;color:var(--error);border:1px solid #f0c0c0}
.form-msg.success{display:block;background:#e6f4ec;color:var(--success);border:1px solid #b8dcc6}

/* Liste des communes (page département) */
.communes-by-dept{margin-top:1.5em}
.communes-by-dept h3{font-size:1.1rem;color:var(--primary-dark);margin:1.5em 0 .6em;padding-bottom:.3em;border-bottom:1px solid var(--border)}
.communes-by-dept h3:first-child{margin-top:0}
.communes-grid{list-style:none;padding:0;margin:0 0 1.5em;display:grid;gap:6px 14px;grid-template-columns:1fr}
.communes-grid li{font-size:.92rem;padding:0;margin:0}
.communes-grid a{display:block;padding:6px 10px;text-decoration:none;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:4px;transition:none}
.communes-grid a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.communes-grid span{color:var(--muted);font-size:.85em}
.communes-grid a:hover span{color:#dcd9cf}
@media (min-width:520px){.communes-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:760px){.communes-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1000px){.communes-grid{grid-template-columns:repeat(4,1fr)}}

/* Pages légales (mentions, confidentialité) */
.legal-page{max-width:780px}
.legal-page h2{margin-top:1.6em;font-size:1.2rem}
.legal-page h2:first-of-type{margin-top:1em}

/* Sections */
section{padding:48px 0}
section.alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.lead-text{font-size:1.05rem;color:var(--muted);max-width:800px;margin-bottom:1.5em}
.grid-3{display:grid;gap:18px;grid-template-columns:1fr}
.card{background:var(--card);border:1px solid var(--border);border-radius:6px;padding:20px}
.card h3{margin-top:0;color:var(--primary-dark)}
.card p:last-child{margin-bottom:0}

/* Problèmes liste */
.problems{display:grid;gap:14px;grid-template-columns:1fr;list-style:none;padding:0;margin:0}
.problems li{background:#fff;border:1px solid var(--border);border-left:3px solid var(--accent);padding:14px 16px;border-radius:0 4px 4px 0}
.problems li strong{color:var(--primary-dark)}

/* Image + texte */
.split{display:grid;gap:24px;grid-template-columns:1fr;align-items:center}
.split img{border-radius:6px;border:1px solid var(--border)}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--border);border-radius:6px;padding:14px 16px;margin-bottom:10px}
.faq details[open]{border-color:var(--primary)}
.faq summary{font-weight:600;color:var(--primary-dark);cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--accent);font-weight:700;margin-left:10px}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:10px 0 0;color:var(--muted)}

/* Footer */
.site-footer{background:var(--primary-dark);color:#dcd9cf;padding:36px 0 18px;font-size:.92rem}
.site-footer a{color:#dcd9cf;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-grid{display:grid;gap:24px;grid-template-columns:1fr;margin-bottom:24px}
.footer-grid p{margin:0 0 .4em}
.footer-title{font-weight:700;color:#fff;margin:0 0 .6em;font-size:1rem}
.footer-bottom{border-top:1px solid #3a4a3d;padding-top:14px;text-align:center;font-size:.85rem;color:#a8a59a}

/* Responsive */
@media (min-width:720px){
  .hero{padding:56px 0 64px}
  .hero::before{background-image:url('../images/taupinieres-pelouse.webp')}
  .hero .container{grid-template-columns:1.1fr 1fr;gap:36px;align-items:start}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .problems{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr 1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:1024px){
  .hero{padding:72px 0 80px}
}

/* Accessibilité */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Reduce motion */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}