/* General page design */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 30px;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f3f6fc;
    color: #1e293b;
    line-height: 1.6;
}

/* Main headings */
h1 {
    color: #e8eaef;
    text-align: center;
    font-size: 34px;
    margin-bottom: 12px;
}

h2 {
    color: #243b80;
    margin-bottom: 20px;
}

h3 {
    color: #3346a8;
    margin-top: 0;
}

/* Feature cards */
.feature {
    background: #ffffff;
    padding: 25px;
    margin: 18px 0;
    border-radius: 16px;
    border: 1px solid #e1e8f5;
    box-shadow: 0 5px 18px rgba(35, 55, 100, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(35, 55, 100, 0.14);
}

/* Buttons and links */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, #405de6, #6c63e8);
    color: #ffffff;
    padding: 11px 20px;
    margin: 6px 5px 6px 0;
    border: none;
    border-radius: 9px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.btn:hover {
    background: linear-gradient(135deg, #3048c5, #5548c8);
    transform: translateY(-2px);
}

/* Forms and input fields */
input,
select,
textarea {
    width: 100%;
    max-width: 450px;
    padding: 12px;
    margin: 7px 0 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #ffffff;
    font-size: 15px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #5268e8;
    box-shadow: 0 0 0 3px rgba(82, 104, 232, 0.12);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    margin: 20px 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(35, 55, 100, 0.06);
}

th {
    background: #3346a8;
    color: #ffffff;
    padding: 14px;
    text-align: left;
}

td {
    padding: 12px 14px;
    border-bottom: 1px solid #e8edf5;
}

tr:hover td {
    background: #f4f6ff;
}

/* Mobile-friendly layout */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    h1 {
        font-size: 26px;
    }

    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .feature {
        padding: 18px;
    }
}

.btn {
    white-space: nowrap;
    display: inline-block;
    width: auto;
    max-width: none;
    padding: 11px 18px;
    font-size: 14px;
}