body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Noto Sans KR', sans-serif;
    /* background-color: rgb(248,249,250); */
    background-color: white;
}

footer {
    margin-top: auto;
    padding: 24px 24px;
}

footer > div {
    max-width: 1200px;
    margin: auto;
    font-size: 13px;
}

@media (min-width: 768px) {
    footer {
        padding: 32px 100px;
        font-size: 12px;
    }
}

/* floating button */
.floating-button {
    position: fixed; right: 1rem; bottom: 1rem;
    width: 4rem; height: 4rem; border-radius: 2rem; background-color: rgb(1,87,164);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 9999;
    cursor: pointer;
    text-decoration-line: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}
@media(max-width: 768px) {
    .floating-button {
        display: none;
    }
}

/* language toggle (desktop pill) */
.lang-toggle {
    display: flex;
    align-items: center;
    border: 1.5px solid #dee2e6;
    border-radius: 20px;
    overflow: hidden;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3px;
    flex-shrink: 0;
}
.lang-toggle .lang-option {
    padding: 5px 11px;
    text-decoration: none;
    color: #999;
    line-height: 1;
    transition: background-color 0.15s, color 0.15s;
    user-select: none;
}
.lang-toggle .lang-option.active {
    background-color: rgb(1, 87, 164);
    color: #fff;
}
.lang-toggle .lang-option:hover:not(.active) {
    color: rgb(1, 87, 164);
    background-color: #eef3f9;
}

/* language toggle (mobile, inside collapsed nav) */
.lang-toggle-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    font-size: 13px;
}
.lang-toggle-nav .lang-option {
    text-decoration: none;
    color: #999;
    font-weight: 600;
    transition: color 0.15s;
}
.lang-toggle-nav .lang-option.active {
    color: rgb(1, 87, 164);
}
.lang-toggle-nav .lang-option:hover:not(.active) {
    color: #333;
}
.lang-toggle-nav .lang-divider {
    color: #dee2e6;
    font-weight: 300;
}

/* navbar cusom */
ul.navbar-nav {
    flex: 1;
    justify-content: space-around;
    margin: 0;
}
@media(min-width: 992px) {
    ul.navbar-nav {
        margin: 0 40px;
    }
}