Как лучше верстать такой макет?

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}
body {
 
    line-height: 1;
 
}
ol, ul {
    list-style: none;
}
blockquote, q {
    quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content: '';
    content: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
@font-face {
    font-family: "Gilroy-ExtraBold";
    src: url(../fonts/Gilroy-ExtraBold.eot);
    src: url(../fonts/Gilroy-ExtraBold.eot?#iefix) format("embedded-opentype");
    src: url(../fonts/Gilroy-ExtraBold.otf) format("truetype");
    font-weight: normal;
    font-style: normal;
}
 
.block_wrapper{
   display: flex;
    flex-flow: column;
 
 
}
 
.block1, .block2, .block3, .block4, .block5, .block6, .block7, .block8, .block9 {
 
    height: auto;
    width:100%;
 
}
.block1{
    width:100%;
    height:962px;
    background: url(../img/Layer13.jpg) no-repeat center top;
}
.overlay{
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
}
.block2{
    width:100%;
    height:962px;
    background: rgb(255,255,255);
}
.block3{
    background: #bdcbd7;
    height:860px;
}
.block4{
    background: rgb(247,207,0);
    height: 860px;
}
.block5{
    background: #ffffff;
    height: 860px;
}
.block6{
    height:212px;
    background:rgb(48,48,48);
}
.block7{
    height:1630px;
    background:rgb(241,242,242);
}
.block8{
    background: rgb(255,255,255);
    height: 852px;
}
.block9{
    height:583px;
    background: url(../img/footer.jpg);
}
.block10{
    height:240px;
    background: rgb(34,34,34);
}
.flex_row{
    align-items: flex-end;
    height:auto;
    display: flex;
    flex-flow: row;
}
.logo_wrap{
    text-align: center;
    font-family:"Gilroy-ExtraBold";
    font-size: 48pt;
    color:white;
}
ul>li{
    display: inline-table;
    color:white;
    text-align: center;
    list-style: none;
 
 
    font-family: 'Roboto', sans-serif;
    font-size: 22pt;
    font-weight: 100;
 
}
li:nth-of-type(n+1){
    margin-left:40px;
}
ul {padding: 0;
    text-align: center;
 
}
a:hover{
    border:1px solid white;
}
.menu{}
.phone_trigger{
    float:left;
 
    display: inline-block;
}
span{
 
    color: white;
    font-family: 'Roboto', sans-serif;
    font-size: 22pt;
    font-weight: bold;
}
.trigger{
    float: right;
    padding:0;}
.trigger>li{
    display: inline-table;
    color:white;
    text-align: center;
    list-style: none;
 
 
    font-family: 'Roboto', sans-serif;
    font-size: 22pt;
    font-weight: 100;
}
.trigger>li{
    margin-left:5px;
}
.cont{
    position: relative;
    height:35px;
}
.main_title>h1{
    text-align: left;
    font-family:"Gilroy-ExtraBold";
    font-size: 90pt;
    line-height: 110pt;
    color:white;
}
 
.main_title>p{
    font-family: 'Roboto', sans-serif;
    font-size: 34pt;
    font-weight: lighter;
    line-height: 55pt;
    color:white;
}
.main_title{padding:155px;}