*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.6;background:#f6f4ef;color:#18382d}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{width:min(1160px,calc(100% - 38px));margin:auto}
.section{padding:96px 0}
.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-weight:800;font-size:.74rem;color:#b86e32}
.eyebrow.dark{color:#9e6938}
.eyebrow.light{color:#dfbf97}
.btn,.ghost{display:inline-block;padding:13px 19px;border-radius:999px;font-weight:800;transition:.25s}
.btn{background:#18382d;color:#fff}
.btn:hover{transform:translateY(-2px);background:#23483a}
.ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.ghost:hover{background:#fff;color:#18382d}
header{position:sticky;top:0;z-index:30;background:rgba(246,244,239,.92);backdrop-filter:blur(14px);border-bottom:1px solid #ded9cf}
.nav{height:74px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:900;letter-spacing:.08em}
.nav nav{display:flex;gap:23px;align-items:center}
.hero{position:relative;min-height:84vh;display:grid;align-items:end;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,23,19,.78),rgba(10,23,19,.42) 54%,rgba(10,23,19,.25))}
.hero-content{position:relative;z-index:2;color:#fff;padding:120px 0 92px;max-width:760px}
.hero h1,.section h2,h3{line-height:1.03;letter-spacing:-.045em;margin:.1em 0 .25em}
.hero h1,.section h2{font-family:Georgia,serif;font-weight:500}
.hero h1{font-size:clamp(3.2rem,7vw,6.3rem)}
.section h2{font-size:clamp(2.2rem,4vw,4.1rem)}
.hero p{font-size:1.08rem;max-width:640px;color:#eff2ef}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.proof{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.22)}
.proof div{display:flex;flex-direction:column;gap:2px}
.proof strong{font-size:1.25rem}
.proof span{color:#c3cec8;font-size:.92rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.lead{font-size:1.5rem;max-width:720px}
.image-card{border-radius:22px;overflow:hidden;box-shadow:0 16px 45px rgba(16,43,34,.12)}
.image-card img{width:100%;height:100%;object-fit:cover}
.image-card.tall{min-height:540px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.card,.step-card{background:#fff;border:1px solid #ddd8cf;border-radius:20px;padding:26px}
.card b,.step-card b{color:#d08a46;display:block;margin-bottom:10px}
.card p{color:#5f6d65}
.feature-band{margin-top:28px;display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:stretch}
.feature-band .wide{min-height:360px}
.feature-copy{background:#fbfaf7;border:1px solid #ddd8cf;border-radius:22px;padding:30px;display:flex;flex-direction:column;justify-content:center}
.feature-copy h3{font-size:2rem;font-family:Georgia,serif;font-weight:500;color:#18382d}
.green{background:#18382d;color:#fff}
.steps .step-card{background:#23473a;border-color:#365d4f}
.steps .step-card p{color:#c6d0cb}
.gallery{display:grid;grid-template-columns:1.15fr 1fr 1fr;grid-auto-rows:280px;gap:14px}
.gallery-item{margin:0;border-radius:18px;overflow:hidden;background:#ddd}
.gallery-item.large{grid-row:span 2}
.gallery-item img{width:100%;height:100%;object-fit:cover}
.quote-section{background:#ece7de}
.quote-block{text-align:center;max-width:900px}
.quote-block blockquote{margin:0 0 14px;font-family:Georgia,serif;font-size:clamp(2rem,4vw,3.3rem);line-height:1.14;color:#18382d}
.quote-block span{color:#77695a}
.devis{background:#102b22;color:#fff}
.form{padding:27px;border-radius:20px;background:#fff;color:#18382d}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;font-size:.84rem;font-weight:700;margin-bottom:13px}
input,select,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid #d8d8d8;margin-top:6px;font:inherit}
.footer{padding:24px 0;font-size:.84rem;background:#081a15;color:#8fa198}
@media(max-width:960px){
  .grid4{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery-item.large{grid-row:span 1;grid-column:span 2}
  .feature-band{grid-template-columns:1fr}
}
@media(max-width:820px){
  .split,.row,.grid3{grid-template-columns:1fr}
  .nav nav a:not(.btn){display:none}
  .section{padding:72px 0}
  .hero{min-height:74vh}
  .hero-content{padding:100px 0 72px}
  .image-card.tall{min-height:auto}
}
@media(max-width:560px){
  .grid4,.gallery{grid-template-columns:1fr}
  .gallery-item.large{grid-column:auto}
  .proof{gap:16px}
}

.ai-flow-ribbon{position:relative;z-index:90;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 18px;background:#0D101E;color:#fff;font:700 12px/1.3 Arial,sans-serif;letter-spacing:.02em}.ai-flow-ribbon a{color:#fff;text-decoration:none}.ai-flow-ribbon span{color:#A6ADBE;text-transform:uppercase;letter-spacing:.11em;font-size:10px}@media(max-width:560px){.ai-flow-ribbon span{display:none}}