.upper-menu, .main-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5vw;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--line);
}

.upper-menu {
    background: var(--soft);
    color: var(--grey);
}

.upper-menu a {
    transition: color .2s ease, opacity .2s ease;
}

.upper-menu a:hover {
    color: var(--pink);
}

.main-menu {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 6px 18px rgba(0,0,0,.05);
    padding: 1rem 5vw;
}

.main-menu .logo-link img {
    height: 88px;
    width: auto;
    display: block;
}

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    padding: .35rem;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px 0;
    border-radius: 999px;
    background: var(--ink);
    transition: transform .2s ease, opacity .2s ease;
}

.duo-links a {
    color: var(--grey);
    font-weight: 400;
    transition: color .2s ease, opacity .2s ease;
}

.main-menu .duo-links a {
    color: var(--ink);
    font-weight: 400;
    padding: .45rem .6rem;
    border-radius: 999px;
}

.main-menu .duo-links a:hover {
    color: var(--pink);
    background: rgba(229,132,225,.10);
}

.sub-menu {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding: 2.2rem 5vw;
    border-top: 1px solid var(--line);
    text-align: center;
}

.sub-menu.footer {
    background: var(--soft);
    color: var(--ink);
}

.sub-menu.footer h3 {
    margin: 0 0 .6rem 0;
    color: var(--ink);
    font-family: "Quicksand", sans-serif;
    font-weight: 600;
}

.sub-menu.footer a {
    color: var(--grey);
    font-weight: 400;
    transition: color .2s ease;
}

.sub-menu.footer a:hover {
    color: var(--pink);
}

.sub-menu.footer p {
    margin: 0;
    line-height: 1.4;
    color: var(--grey);
    font-weight: 400;
}

.list {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: .4rem;
    flex: 1;
    max-width: 600px;
}

.footer-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: .4rem;
}

.footer-credit {
    padding: 1rem 5vw;
}

@media (max-width: 768px) {
    .upper-menu {
        display: none;
    }

    .main-menu {
        padding: .9rem 5vw;
        position: sticky;
    }

    .main-menu .logo-link img {
        height: 64px;
    }

    .menu-toggle {
        display: block;
        z-index: 2;
    }

    .main-menu .main-nav {
        display: none;
        position: absolute;
        top: calc(100% - 1px);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: .25rem;
        padding: .65rem 5vw 1rem;
        background: var(--white);
        border-top: 1px solid var(--line);
        box-shadow: 0 12px 20px rgba(0,0,0,.06);
    }

    .main-menu.menu-open .main-nav {
        display: flex;
    }

    .main-menu .main-nav a {
        padding: .65rem .75rem;
    }

    .main-menu.menu-open .menu-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .main-menu.menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    .main-menu.menu-open .menu-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .sub-menu.footer {
        flex-direction: column;
        gap: 1.4rem;
        padding: 1.8rem 8vw;
    }

    .list {
        width: 100%;
    }
}