* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol, li {
    list-style: none;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1;
}

.footer {
    width: 100%;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    font-size: 14px;
    color: #665;
    border-top: 1px solid #ddd;
}

@media (max-width: 1024px) {
    .footer {
        font-size: 13px;
        padding: 18px;
    }
}

@media (max-width: 600px) {
    .footer {
        font-size: 12px;
        padding: 15px 10px;
        line-height: 1.4;
    }
}