.join-section {
    padding: 80px 0;
    text-align: center;
}

.join-section h1 {
    font-weight: 700;
    color: #0a3d62;
    margin-bottom: 20px;
}

.join-section p {
    font-size: 1.2rem;
    color: #444;
    margin-bottom: 50px;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    background: white;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card i {
    font-size: 2.5rem;
    color: #007bff;
    margin-bottom: 20px;
}

.tagline {
    background: #007bff;
    color: white;
    display: inline-block;
    padding: 8px 18px;
    border-radius: 30px;
    margin-top: 30px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.btn-custom {
    margin-top: 40px;
    background: #ff9800;
    color: white;
    font-weight: 600;
    border-radius: 30px;
    padding: 12px 28px;
    transition: 0.3s;
}

.btn-custom:hover {
    background: #e68900;
    color: white;
}