body {
    padding: 0;
    margin: 0;
    height: 100vh;
    font-family:Verdana, Geneva, Tahoma, sans-serif;
}

#main-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: white;
}

#main-top {
    background-image: url("../image/homeBg.png");
    opacity: 80%;
    background-size: 1920px 800px;
    background-position: center;
    height: 400px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

h1{
    color: #cde0ee;
    text-shadow: 0px 3px 0px #525252a0;
    font-size: 80px;
    margin-bottom: 0px;
}

#main-bottom{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    flex: 1;
    gap: 40px;
    padding: 20px;
    text-align: center;
}

#about-us{
    width: 70%;
    color: #1A4C8F;
}

#about-us text{
    color: #7896be;
}

#tagline {
    font-size: 16px;
    color: #9fb4c4;
    text-shadow: 0px 3px 0px #525252a0;
}

#btn-group {
    margin: 25px 0;
    display: flex;
    justify-content: center;
    gap: 50px;
}

.main-btn {
    background: linear-gradient(to bottom, #1A4C8F, #749bca);
    padding: 20px 40px;
    font-weight: bold;
    color: white;
    font-size: 30px;
    border-radius: 12px;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: 0.3s;
}

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