/* ===== COMMON STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: #f5f7fa;
    min-height: 100vh;
    padding: 20px;
}

.nav-btn {
    padding: 12px 25px;
    background: #4361ee;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.nav-btn:hover {
    background: #3a0ca3;
}

.nav-btn.home {
    background: #7209b7;
}

.nav-btn.home:hover {
    background: #5a08a1;
}

@media (max-width: 768px) {
    .nav-btn {
        text-align: center;
    }
}