:root {
    --primary: #ffffff;
    --secondary: #1a1a2e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

/* Body as full-screen flex container */
body {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Poppins', sans-serif;
}

/* Centered logo link */
.logo-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80%;
    max-width: 300px;
    /* maximum size on large screens */
}

/* Responsive logo image */
.logo {
    width: 100%;
    height: auto;
    max-width: 100%;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Smaller screens adjustment */
@media (max-width: 480px) {
    .logo-link {
        max-width: 200px;
        /* limit logo size on very small devices */
    }
}