Как лучше сделать меню на адаптиве?

@font-face {
    font-family: 'Rostov';
    src: url('/fonts/rostov.eot'); /* IE 9 Compatibility Mode */
    src: url('/fonts/rostov.eot?#iefix') format('embedded-opentype'), /* IE < 9 */
        url('/fonts/rostov.woff2') format('woff2'), /* Super Modern Browsers */
        url('/fonts/rostov.woff') format('woff'), /* Firefox >= 3.6, any other modern browser */
        url('/fonts/rostov.ttf') format('truetype'), /* Safari, Android, iOS */
        url('/fonts/rostov.svg#rostov') format('svg'); /* Chrome < 4, Legacy iOS */
}
 
 
 
/*Basic settings*/
 
html, body {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    background-color: #000;
    font-family: 'Noto Sans', sans-serif;
    box-sizing: border-box;
}
 
 
.wrapper {
  margin: 0 auto;
  max-width: 1200px;
  padding: 30px 60px;
  box-sizing: border-box;
}
 
a {
    text-decoration: none;
}
 
section {
    height: 100%;
    width: 100%;
    padding-bottom: 120px;
}
 
/*Section preloader*/
 
.preloader {
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    background-color: black;
    font-family: "Rostov";
    font-size: 135px;
    width: 100%;
    height: 100%;
    z-index: 999;
    transition: 1s all;
    opacity: 1;
    visibility: visible;
}
 
.preloader.done {
    opacity: 0;
    visibility: hidden;
}
 
 
.blink-one {
    text-shadow: 
    0 0 10px rgba(255,255,255,.8),
    0 0 20px rgba(255,255,255,.8),
    0 0 22px rgba(255,255,255,.8),
    0 0 40px rgba(219,66,217,.8),
    0 0 60px rgba(219,66,217,.8),
    0 0 80px rgba(219,66,217,.8),
    0 0 100px rgba(219,66,217,.5),
    0 0 140px rgba(219,66,217,.5),
    0 0 200px rgba(219,66,217,.5);
    animation: neon 3s infinite;
    animation-timing-function: ease-out;
}
 
.blink-two {
    text-shadow: 
    0 0 10px rgba(20,255,200,.8),
    0 0 20px rgba(20,255,255,.8),
    0 0 22px rgba(20,255,200,.8),
    0 0 40px rgba(219,66,217,.8),
    0 0 60px rgba(219,66,217,.8),
    0 0 80px rgba(119,66,217,.8),
    0 0 100px rgba(119,66,217,.5),
    0 0 140px rgba(219,58,217,.5),
    0 0 200px rgba(219,58,217,.5);
    animation: neon 1s infinite;
    animation-timing-function: ease-out;
}
 
@keyframes neon {
    0% {
        opacity: 1;
    }
    45% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    55% {
        opacity: 1;
    }
    60% {
        opacity: 0;
    }
    63% {
        opacity: 1;
    }
    93% {
        opacity: 1;
    }
    95% {
        opacity: 0;
    }
    97% {
        opacity: 1;
    }
    100% {
        opacity: 1;
    }
}
 
/*Popup section*/
 
.popup{
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
     text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}
 
 
.popup-content {
    padding: 30px 100px;
    background-color: #fff;
    position: relative;
    border-radius: 15px;
}
 
.popup-close {
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-size: 30px;
    color: #C7C7C7;
    position: absolute;
    right:10px;
    top: 10px;
    transition: 0.3s ease;
}
 
.popup-close:hover {
    filter: brightness(20%);
    transition: 0.3s ease;
}
 
.popup-header {
    font-weight: 400;
    font-size: 28px;
    margin-bottom: 60px;
}
 
 
 
.popup input {
    display: block;
    margin: 0 auto;
    width: 100%;
    border: none;
    border-bottom: 1px solid #C7C7C7;
    padding:  5px 0;
    
    font-size: 20px;  
}
 
.popup input:first-child {
    margin-bottom: 30px;
}
 
input::placeholder {
  color: #DFDFDF;
  font-weight: 400;
  font-size: 18px;
}
 
.phone-user {
    margin-bottom: 110px !important;
}
 
.submit {
    display: block;
    margin: 0 auto;
     border: 1px solid transparent;
    background-color: #070A0E;
    color: #fff;
    text-transform: uppercase;
    padding: 20px 60px;
    cursor: pointer;
    margin-bottom: 40px;
    transition: 0.3s ease;
    transform: translateZ(0);
}
 
 
.submit:hover {
    background-color: #fff;
    color: #000;
    transition: 0.3s ease;
    border: 1px solid #000;
}
 
.popup-content span {
    font-size: 10px;
    font-weight: 300;
}
 
.no-scroll {
    overflow-y:  hidden;
}
 
/*Section header*/
 
header {
    background-color: rgba(0,0,0,0.5);
    position: fixed;
    right: 0;
    left: 0;
    z-index: 999;
}
 
 
header .wrapper {
    max-width: 1800px;
}
 
 
header .wrapper .content{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
 
.logo {
    font-family: "Rostov";
    color: #fff;
    font-size: 18px;
}
 
.menu {
    max-width: 920px;
    width: 100%;
}
 
 .menu > ul  {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
 
.menu ul li a{
    font-size: 16px;
    transition: text-shadow 0.3s;
}
 
.menu ul li a:hover {
  font-weight: normal;
  text-shadow: 1px 0 0 currentColor;
}
 
.menu ul li:hover .sub_menu{
    visibility: visible;
    opacity: 1;
}
 
.sub_menu {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.44);
    padding: 15px 40px 15px 12px;
    background-color: rgba(0,0,0,0.5);
    visibility: hidden;
    opacity: 0;
    transition: visibility ease 0.3s, opacity ease 0.3s;
}
 
.sub_menu li {
    margin-bottom: 16px;
    font-size: 15px;
}
 
 
.sub_menu li:last-child {
    margin-bottom: 0;
}
 
 
.menu ul li:first-child > a, .sub_menu li:first-child > a  {
    color: #E78E76 !important;
}
 
.menu ul li:nth-child(2) > a {
    color: #E76FB1;
}
 
.menu ul li:nth-child(3) > a {
    color: #CBBE9C;
}
 
.menu ul li:nth-child(4) > a, .sub_menu li:nth-child(3) > a {
    color: #5FDDF1 !important;
}
 
.menu ul li:nth-child(5) > a {
    color: #14976D !important;
}
 
 
.menu ul li:nth-child(6) > a {
    color: #2EADC1 !important;
}
 
 
.menu ul li:nth-child(7) > a {
    color: #308AE9 !important;
}
 
.menu ul li:last-child > a, .sub_menu li:last-child > a   {
    color: #4171F8 !important;
}
 
.sub_menu li:nth-child(2) > a {
    color: #7DEBDF !important;
}
 
.contacts a.phone {
    font-size: 11px;
    color: #fff;
    margin-right: 20px;
    display: inline-block;
 
}
 
.contacts a.phone:after{
    content: '';
    border-bottom: 1px solid #fff;
    width: 0;
    display: block;
    transition: 0.3s ease;
}
 
.contacts a.phone:hover:after {
    content: '';
    border-bottom: 1px solid #fff;
    width: 100% !important;
    transition: 0.3s ease;
    display: block;
}
      
 
.request {
    border: 2px solid #FFFFFF;
    background-color: transparent;
    font-size: 11px;
    color: #fff;
    cursor: pointer;
    padding: 9px 8px;
    transition: 0.3s ease;
} 
 
.request:hover {
    background-color: #fff;
    color: #000;
    transition: 0.3s ease;
}
 
.fab {
    cursor: pointer;
}
 
.fab.fa-viber {
    color: #EC17FF;
    width: 17px;
    height: 17px;
    margin-left: 20px;
    transition: 0.3s linear;
}
 
.fab.fa-viber:hover, .fab.fa-telegram-plane:hover, .fab.fa-whatsapp:hover {
    transform: scale(1.5);
    -webkit-filter: brightness(170%);
    transition: 0.3s linear;
}
 
 
 
.fab.fa-telegram-plane {
    color: #2DC2FF;
    width: 17px;
    height: 17px;
    margin-left: 10px;
    transition: 0.3s linear;
}
 
.fab.fa-whatsapp {
    color: #2FFFBF;
    width: 17px;
    height: 17px;
    margin-left: 10px;
    transition: 0.3s linear;
}
 
 
/*Section main*/
 
.main {
    background: url(../img/main-bg.jpg) center no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
    color: #fff;
}
 
.main .wrapper {
    padding: 0;
    min-width: 1400px;
    margin-top: 160px;
}
 
.main-title {
    font-size: 25px;
    font-weight: 400;
    margin-bottom: 45px;
}
 
h1 {
   font-family: 'Noto Serif', serif;
   font-weight: 800;
   font-size: 61px;
   line-height: 85.4px;
   margin-bottom: 155px !important;
}
 
.btn-main {
    position: relative;
    border: none;
    background: rgb(131,58,180);
    background: linear-gradient(90deg, rgba(204, 103, 61, 1) 0%, rgba(174, 83, 136, 1) 50%, rgba(89, 107, 169, 1) 100%);
    padding: 20px 60px;
    color: #fff;
    font-size: 29px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s ease;
    z-index: 1;
}
 
.btn-main span {
    position: relative;
    z-index: 3 !important;
    transition: 0.3s ease-out;
    letter-spacing: 1.5px;
}
 
.btn-main:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    opacity: 0;
    z-index: 2;
    transition: opacity 0.3s ease-out;
}
 
 
.btn-main:hover:after  {
  opacity: 1;
  transition: opacity 0.3s ease-out;
}
 
.btn-main:hover span {
    color: #000;
}