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

html{
    scroll-behavior:smooth;
}

body{
    background:#f5f7fb;
    color:#333;
    line-height:1.7;
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

header{
    background:#ffffff;
    position:fixed;
    width:100%;
    top:0;
    left:0;
    z-index:999;
    box-shadow:0 2px 10px rgba(0,0,0,.08);
}

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

.logo{
    height:60px;
}

nav a{
    text-decoration:none;
    color:#333;
    margin-left:25px;
    font-weight:600;
    transition:.3s;
}

nav a:hover{
    color:#0056d6;
}

.hero{
    background:linear-gradient(135deg,#0056d6,#00a3ff);
    color:#fff;
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:120px 20px 80px;
}

.hero h1{
    font-size:54px;
    margin-bottom:20px;
}

.hero p{
    font-size:20px;
    max-width:700px;
    margin:auto;
}

.btn{
    display:inline-block;
    margin-top:35px;
    background:#fff;
    color:#0056d6;
    text-decoration:none;
    padding:15px 35px;
    border-radius:40px;
    font-weight:700;
    transition:.3s;
}

.btn:hover{
    transform:translateY(-4px);
}

section{
    padding:90px 0;
}

section h2{
    text-align:center;
    margin-bottom:40px;
    color:#0056d6;
    font-size:36px;
}

#about p{
    max-width:850px;
    margin:auto;
    text-align:center;
    font-size:18px;
}

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

.card{
    background:#fff;
    padding:30px;
    border-radius:15px;
    text-align:center;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
    transition:.3s;
}

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

.card h3{
    margin-bottom:15px;
    color:#0056d6;
}

#contact{
    background:#0056d6;
    color:#fff;
    text-align:center;
}

#contact h2{
    color:#fff;
}

#contact p{
    margin:12px 0;
    font-size:18px;
}

footer{
    background:#0d1b2a;
    color:#fff;
    text-align:center;
    padding:25px;
}

@media(max-width:768px){

header .container{
    flex-direction:column;
}

nav{
    margin-top:15px;
}

nav a{
    margin:0 10px;
}

.hero h1{
    font-size:34px;
}

.hero p{
    font-size:17px;
}

.logo{
    height:50px;
}

}