body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
    min-height: 100vh;
    color: #333;
    font-size:1.1rem;
}

#mainheader {
    background-color: #ffffff;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 10px 12px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

#tangentimg {
    margin-left:10px;
    height: 75px;
    width: auto;
    margin-right: 25px;
}

#Tangentsolns {
    color: #002b5c;
    font-size: 45px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin: 0;
    padding-left: 10px;
    flex-grow: 1;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

#Contactbtn {
    margin-right: 25px;
    padding: 15px 32px;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 1px;
    background: linear-gradient(to right, #0056b3, #004494);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 86, 179, 0.3);
    transition: all 0.3s ease;
}

#Contactbtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(0, 86, 179, 0.4);
}

#details {
    max-width: 1150px;
    margin: 50px auto;
    background-color: #ffffff;
    padding: 50px;
    border-radius: 8px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-top: 6px solid #002b5c;
}

#details h3 {
    color: #002b5c;
    font-size: 24px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
    margin-bottom: 25px;
}

#details p {
    line-height: 1.8;
    font-size: 16px;
    color: #555;
    margin-bottom: 20px;
}

ul {
    background-color: #f9fbfd;
    padding: 20px 40px;
    border-radius: 6px;
    border-left: 4px solid #0056b3;
    margin-bottom: 25px;
}

li {
    margin-bottom: 10px;
}

ul ul {
    margin-top: 10px;
    border: none;
    background: none;
    padding-left: 20px;
}

#details p:last-of-type, 
#details p:nth-last-of-type(2) {
    font-weight: bold;
    color: #0056b3;
    margin-bottom: 5px;
}