body {
    background-color: #f1f9fe !important;
}

.hero {
    text-align: center;
    padding: 60px 20px;
    background: #e3f2fd;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
}

.exam-category-btn {
    background-color: #0072b5 !important;
}

.hero h1 {
    font-size: 2.5rem;
    color: #0072b5;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #555;
}

.hero a {
    text-decoration: none;
    background: #0072b5;
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.hero a:hover {
    background: #005a8f;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.section {
    text-align: center;
    padding: 40px 20px;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #0072b5;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0072b5;
}

.card p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 10px;
}

.card a {
    text-decoration: none;
    font-weight: 600;
    color: #0072b5;
    transition: color 0.3s ease;
}

.card a:hover {
    color: #005a8f;
}