body{
font-family: Tahoma, Arial, sans-serif;
margin:0;
background:#f5f5f5;
color:#333;
}

.container{
width:90%;
max-width:1100px;
margin:auto;
padding:60px 0;
}

header{
background:white;
box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

.header-container{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 0;
}

.logo{
height:60px;
}

nav a{
margin-left:20px;
text-decoration:none;
font-weight:500;
color:#0f2b3a;
}

.hero{
height:65vh;
background:url("../images/hero-peinture.jpg") center/cover;
display:flex;
align-items:center;
justify-content:center;
}

.hero-overlay{
background:rgba(0,0,0,0.6);
padding:50px;
color:white;
text-align:center;
}

.btn{
background:#0f2b3a;
color:white;
padding:12px 25px;
border-radius:5px;
text-decoration:none;
display:inline-block;
margin-top:15px;
}

.services h2,
.gallery h2,
.devis h2,
.contact h2,
.avant-apres h2{
text-align:center;
margin-bottom:30px;
}

.service-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
}

.service-card{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,0.08);
transition:transform 0.3s, box-shadow 0.3s;
}

.service-card:hover{
transform:translateY(-8px);
box-shadow:0 15px 30px rgba(0,0,0,0.15);
}

.gallery-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:15px;
}

.gallery-grid img{
width:100%;
border-radius:6px;
}

.comparaison{
display:grid;
grid-template-columns:1fr 1fr;
gap:30px;
}

.chantier img{
width:100%;
border-radius:8px;
}

form{
max-width:500px;
margin:auto;
display:flex;
flex-direction:column;
gap:12px;
}

input,textarea{
padding:10px;
border:1px solid #ccc;
border-radius:5px;
font-family:Montserrat;
}

.checkbox{
display:flex;
flex-direction:column;
gap:5px;
}

button{
background:#0f2b3a;
color:white;
border:none;
padding:12px;
border-radius:5px;
cursor:pointer;
}

footer{
background:#0f2b3a;
color:white;
text-align:center;
padding:25px;
}

.whatsapp{
position:fixed;
bottom:20px;
right:20px;
background:#25D366;
color:white;
padding:15px 20px;
border-radius:40px;
text-decoration:none;
font-weight:bold;
box-shadow:0 5px 15px rgba(0,0,0,0.3);
}

@media(max-width:768px){

.header-container{
flex-direction:column;
}

nav{
margin-top:10px;
}

.comparaison{
grid-template-columns:1fr;
}

.hero{
height:50vh;
}

}