*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:'Segoe UI',sans-serif;
}

body{
background:#f5f7fb;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 5%;
background:white;
box-shadow:0 2px 10px rgba(0,0,0,.1);
position:sticky;
top:0;
z-index:1000;
}

.logo img{
height:70px;
}

nav{
position:relative;
}

nav ul{
display:flex;
gap:30px;
list-style:none;
}

nav a{
text-decoration:none;
color:#003b8e;
font-weight:600;
transition:.3s;
}

nav a:hover{
color:#d71920;
}

.hamburger{
display:none;
font-size:30px;
cursor:pointer;
color:#003b8e;
}

.slider{
position:relative;
width:100%;
height:550px;
overflow:hidden;
background:#fff;
}

.slide{
position:absolute;
width:100%;
height:100%;
opacity:0;
transition:1s;
}

.slide.active{
opacity:1;
}

.slide img{
width:100%;
height:100%;
object-fit:contain;
background:#fff;
}

.prev,
.next{
position:absolute;
top:50%;
transform:translateY(-50%);
background:rgba(0,0,0,.4);
border:none;
color:white;
font-size:28px;
padding:12px 18px;
cursor:pointer;
z-index:10;
}

.prev{
left:15px;
}

.next{
right:15px;
}

.cards{
padding:60px 5%;
display:grid;
grid-template-columns:repeat(4,1fr);
gap:25px;
}

.card{
background:white;
padding:40px;
text-align:center;
border-radius:15px;
text-decoration:none;
color:#222;
box-shadow:0 5px 20px rgba(0,0,0,.08);
transition:.3s;
}

.card:hover{
transform:translateY(-8px);
}

.card i{
font-size:50px;
margin-bottom:15px;
color:#003b8e;
}

.services{
padding:80px 5%;
text-align:center;
}

.services h2{
color:#d71920;
margin-bottom:20px;
font-size:2rem;
}

.services p{
max-width:800px;
margin:auto;
font-size:1.1rem;
}

footer{
background:#0f172a;
color:white;
text-align:center;
padding:40px 20px;
}

.social{
margin-top:20px;
}

.social a{
color:white;
font-size:25px;
margin:0 10px;
}

.whatsapp{
position:fixed;
bottom:20px;
right:20px;
width:65px;
height:65px;
border-radius:50%;
background:#25D366;
display:flex;
justify-content:center;
align-items:center;
font-size:35px;
color:white;
text-decoration:none;
box-shadow:0 5px 15px rgba(0,0,0,.3);
z-index:999;
}

@media(max-width:768px){

.hamburger{
display:block;
}

nav ul{
display:none;
flex-direction:column;
position:absolute;
top:50px;
right:0;
background:white;
width:250px;
padding:20px;
box-shadow:0 5px 20px rgba(0,0,0,.15);
}

nav ul.active{
display:flex;
}

.slider{
height:320px;
background:#fff;
}

.slide img{
width:100%;
height:100%;
object-fit:contain;
background:#fff;
}

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

}

@media(max-width:500px){

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

.logo img{
height:55px;
}

.slider{
height:260px;
}

}