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

body{
background:#f4f7fb;
color:#222;
line-height:1.7;
}

/* HEADER */

header{
background:#0A2540;
padding:20px 8%;
display:flex;
justify-content:space-between;
align-items:center;
position:sticky;
top:0;
z-index:1000;
}

.logo{
color:white;
font-size:32px;
font-weight:700;
}

nav{
display:flex;
gap:30px;
}

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

nav a:hover{
color:#00B4A6;
}

/* HERO */

.hero{
height:90vh;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
padding:20px;
background:linear-gradient(135deg,#0A2540,#00B4A6);
color:white;
}

.hero h1{
font-size:70px;
font-weight:800;
max-width:1200px;
line-height:1.1;
margin-bottom:25px;
}

.hero p{
font-size:24px;
max-width:850px;
margin-bottom:35px;
}

.btn{
display:inline-block;
padding:15px 35px;
background:white;
color:#0A2540;
text-decoration:none;
font-weight:700;
border-radius:8px;
transition:.3s;
}

.btn:hover{
transform:translateY(-3px);
}

/* SECTION */

.section{
padding:90px 10%;
}

.section h2{
text-align:center;
font-size:48px;
margin-bottom:50px;
color:#0A2540;
}

/* GRID */

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:30px;
}

/* CARD */

.card{
background:white;
padding:35px;
border-radius:18px;
box-shadow:0 8px 25px rgba(0,0,0,.08);
transition:.3s;
}

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

.card h3{
color:#0A2540;
font-size:28px;
margin-bottom:15px;
}

.card p{
font-size:18px;
color:#444;
}

/* CONTACT */

.whatsapp-btn{
display:inline-block;
background:#25D366;
color:white;
padding:12px 25px;
border-radius:8px;
text-decoration:none;
font-weight:700;
}

.whatsapp-btn:hover{
opacity:.9;
}

/* FOOTER */

footer{
background:#0A2540;
color:white;
text-align:center;
padding:25px;
margin-top:50px;
}

/* MOBILE */

@media(max-width:768px){

header{
flex-direction:column;
gap:20px;
}

nav{
flex-wrap:wrap;
justify-content:center;
}

.hero h1{
font-size:42px;
}

.hero p{
font-size:18px;
}

.section h2{
font-size:36px;
}

}
.whatsapp-btn{
background:#25D366;
color:white;
padding:12px 25px;
border-radius:8px;
text-decoration:none;
font-weight:600;
display:inline-block;
}

.whatsapp-btn:hover{
background:#1da851;
}
.contact-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(350px,1fr));
gap:30px;
align-items:stretch;
}

.contact-card{
background:white;
padding:35px;
border-radius:20px;
box-shadow:0 8px 25px rgba(0,0,0,0.08);
}
.contact-card a{
color:#0A2540;
font-weight:600;
text-decoration:none;
word-break:break-word;
}

.contact-card a:hover{
color:#00B4A6;
}
.whatsapp-btn{
display:inline-block;
background:#25D366;
color:white !important;
padding:15px 30px;
border-radius:10px;
font-weight:700;
text-decoration:none;
transition:0.3s;
box-shadow:0 6px 15px rgba(37,211,102,0.3);
}

.whatsapp-btn:hover{
transform:translateY(-3px);
background:#1ebd5a;
}