header {
    position: absolute;
    content: "";
    z-index: 99;
    left: 0;
    right: 0;
    top: 0px;
    background-color: transparent;
    padding-top: 30px;
    padding-bottom: 30px;
    transition: all 0.2s ease-in-out;
}

body.scrolling header {
    position: fixed;
    backdrop-filter: blur(30px);
    box-shadow: 0px 0px 30px rgba(227, 228, 237, 0.37);
    border: 2px solid rgba(255, 255, 255, 0.18);
    padding-top: 10px;
    padding-bottom: 10px;
    animation: 0.5s ease-in-out 0s normal none 1 running fadeInDown;
}

.social_icon_wrapper {
    padding-left: 0;
}

.social_icon_wrapper ul li {
    display: inline-block;
    margin-right: 30px;
}

.social_icon_wrapper ul li a {
    display: inline-block;
}

.social_icon_wrapper ul li a i {
    color: var(--white);
    font-size: 20px;
}

.nav_logo {
    text-align: center;
}

.nav_logo a {
    font-family: var(--ff-SofiaSans);
    font-weight: var(--fw-400);
    font-size: 30px;
    line-height: 44px;
    color: var(--white);
}

.nav_logo a span {
    color: var(--black);
}

.header_right_actions {
    padding-right: 0;
}

.header_right_actions ul {
    display: flex;
    align-items: center;
    justify-content: end;
    position: relative;
}

.header_right_actions ul li:first-child {
    margin-right: 0;
}

.header_right_actions ul li a i {
    font-size: 20px;
    color: var(--white);
}

/* Hamburger button Style */
.hamburger_btn {
    width: 40px;
    height: 22px;
    position: relative;
    border: 0;
    outline: 0;
    background-color: transparent;
}

.hamburger_btn span {
    display: inline-block;
    position: absolute;
    right: 0;
    background-color: #fff;
    height: 2px;
    width: 30px;
    opacity: 1;
    z-index: 1;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.hamburger_btn span:nth-child(1) {
    top: 0;
}

.hamburger_btn span:nth-child(2) {
    top: 10px;
    width: 40px;
}

.hamburger_btn span:nth-child(3) {
    top: 20px;
}

.hamburger_btn:hover span:nth-child(1) {
    transform: translateX(5px);
}

.hamburger_btn:hover span:nth-child(2) {
    height: 3px;
}

.hamburger_btn:hover span:nth-child(3) {
    transform: translateX(-15px);
}

/* Scroll Top Start */
.back_to_top_wrapper {
    position: fixed;
    right: 50px;
    height: 44px;
    width: 44px;
    cursor: pointer;
    border-radius: 50%;
    z-index: 99;
    bottom: 50px;
    display: none;
}

.back_to_top_btn {
    display: inline-block;
    width: 44px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    background-color: #1c1c1c;
    box-shadow: 0 8px 16px #03041c4d;
    color: #fff;
    border-radius: 50%;
    transition: all 0.2s ease-in-out;
    outline: none;
    border: none;
}

.back_to_top_btn svg {
    transform: translateY(-2px);
}

/* === nav menu animation === */
@keyframes navLinkFade {
    from {
        opacity: 0;
        transform: translate(50px);
    }

    to {
        opacity: 1;
        transform: translate(0);
    }
}

/* === nav menu scroll reveal animation === */
@keyframes navLinkFade {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}