body {
    font-family: 'Cairo', sans-serif;
    direction: rtl;
    background-color: #f9fafb;
    color: #1f2937; /* dark neutral text */
    line-height: 1.7;
}

h1, h2, h3, h4, h5 {
    font-weight: 700;
    color: #111827; /* consistent heading color */
    margin-bottom: 1rem;
}

a {
    color: #2563eb; /* professional soft blue */
    text-decoration: none;
    transition: color 0.2s ease-in-out, transform 0.2s ease-in-out;
}

a:hover {
    color: #1d4ed8; /* darker blue on hover */
    transform: translateY(-2px);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem; /* slightly rounded images */
}

button, a {
    transition: all 0.3s ease-in-out;
}

button {
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    background-color: #1d4ed8;
}

.btn {
    display: inline-block;
    background-color: #2563eb;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
}

.btn:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
}

@media (max-width: 640px) {
    h2 {
        font-size: 1.5rem;
    }
    .btn {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
    }
}