*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Inter',sans-serif;
    color:#333;
    line-height:1.6;
}

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

header{
    position:fixed;
    width:100%;
    background:white;
    box-shadow:0 2px 10px rgba(0,0,0,.08);
    z-index:1000;
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 0;
}

.logo{
    font-size:1.8rem;
    font-weight:700;
    color:#0f4c81;
}

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

nav a{
    text-decoration:none;
    color:#333;
    font-weight:600;
}

.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    text-align:center;
    background:linear-gradient(
        135deg,
        #0f4c81,
        #1e88e5
    );
    color:white;
}

.hero h1{
    font-size:4rem;
    margin-bottom:20px;
}

.hero p{
    font-size:1.3rem;
    max-width:800px;
    margin:auto;
}

.btn{
    display:inline-block;
    margin-top:30px;
    padding:15px 35px;
    background:white;
    color:#0f4c81;
    text-decoration:none;
    border-radius:8px;
    font-weight:700;
}

.section{
    padding:100px 0;
}

.section h2{
    text-align:center;
    margin-bottom:40px;
    font-size:2.5rem;
}

.bg-light{
    background:#f5f7fa;
}

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

.card{
    background:white;
    padding:30px;
    border-radius:12px;
    box-shadow:0 5px 15px rgba(0,0,0,.08);
}

.tech-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:20px;
}

.tech-grid div{
    background:#0f4c81;
    color:white;
    text-align:center;
    padding:20px;
    border-radius:10px;
}

form{
    max-width:700px;
    margin:auto;
}

input,
textarea{
    width:100%;
    padding:15px;
    margin-bottom:15px;
    border:1px solid #ccc;
    border-radius:8px;
}

button{
    background:#0f4c81;
    color:white;
    border:none;
    padding:15px 30px;
    border-radius:8px;
    cursor:pointer;
}

footer{
    background:#111827;
    color:white;
    text-align:center;
    padding:25px;
}