nav button {
    visibility: hidden;
}

header {
    width: 100vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    background: white;
    margin-top: var(--usp-height);
    z-index: 19;
    height: 120px;
}

header h1 {
    flex: 1;                        /* same width logic as menu */
    display: flex;
}

header nav {
    flex: 2;                        /* menu gets more space */
    display: flex;
    align-items: center;
}

header h1 {
    margin: 0;
}

@media (max-width: 1200px) {
     nav button.open,
    nav button.close {
        background: none;
        border: none;
        cursor: pointer;
    }

    nav button {
        position: absolute;
        right: 10px;
        width: 40px;
        min-width: unset;
    }
    nav button.open {
        visibility: visible;
        width: 30px;
        color: white;
    }

    nav {
        visibility: hidden;
        width: max-content;
    }

    nav.active button.open {
        visibility: hidden;
        top: 50px;
    }

    nav.active button.close {
        visibility: visible;
        width: 30px;
        right: 30px;
    }
    nav.active {
        visibility: visible;
        right: 0;
        top: 30px;
    }
    nav.active a {
        width: 100%;
        float: right;
    }
    nav.active {
        flex-direction: column;
        gap: 15px !important;
        background: var(--white);
        border-radius: 5px;
        position: absolute;
        z-index: 99;
        right: 0;
        padding: 2rem;
    }
    .call-us {
        visibility: hidden;
    }
    nav {
        margin-top: 0 !important;
    }
}

@media (max-width: 600px) {
    .container {
        grid-template-columns: 1fr;
    }
    .col-1, .col-4, .yellow-start {
        visibility: hidden;
    }
    .southern-solar-intro {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    header {
        justify-content: normal;
    }

    header .ethos {
        width: 170px;
        margin: 2rem;
    }

    header .ethos, .ethos strong {
        font-size: medium;
    }

    nav {
        width: 100px;
    }

    header nav.active {
        width: 60%;
    }
    header nav.active ul {
        flex-direction: column;
    }
}