.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    padding: 0 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, .2);
    transition: background .4s ease, height .4s ease, backdrop-filter .4s ease
}

.header.scrolled {
    height: 80px;
    background: rgba(11, 17, 16, .9);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, .12)
}

.logo {
    font-family: "Manrope", sans-serif;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -1.5px;
    color: #fff
}

.logo span {
    color: #b8ff5a
}

.nav {
    display: flex;
    align-items: center;
    gap: 36px
}

.nav a {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, .78);
    transition: .3s
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 1px;
    background: #fff;
    transition: .3s
}

.nav a:hover {
    color: #fff
}

.nav a:hover::after {
    width: 100%
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 14px;
    font-weight: 500;
    color: #fff
}

.header-cta span {
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .3s
}

.header-cta:hover span {
    background: #b8ff5a;
    border-color: #b8ff5a;
    color: #111;
    transform: rotate(45deg)
}

.menu-btn {
    display: none;
    background: none;
    border: 0;
    cursor: pointer
}

.menu-btn span {
    display: block;
    width: 26px;
    height: 1px;
    background: #fff;
    margin: 7px 0
}

@media(max-width:900px) {
    .header {
        height: 80px;
        padding: 0 6%
    }

    .nav,
    .header-cta {
        display: none
    }

    .menu-btn {
        display: block
    }

    .nav.active {
        display: flex;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: #081018;
        flex-direction: column;
        align-items: flex-start;
        padding: 60px 8%;
        gap: 30px
    }

    .nav.active a {
        font-size: 30px
    }
}