* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size: 10px;
}
body {
    font-family: 'Montserrat', sans-serif;
    background-color: #111A27;
    color: #fff;
    font-size: 1.4rem;
    font-weight: 400;
}
.h1 {
    font-size: 4rem;
    line-height: 1.2;
}
.font-500 {
    font-weight: 500;
}
.font-700, b, strong {
    font-weight: 700;
}
.text {
    line-height: 1.42;
}
a {
    text-decoration: none;
    color: currentColor;
    transition: all .3s;
}
img {
    max-width: 100%;
}
.container {
    width: 100%;
    max-width: 1140px;
    padding: 0 15px;
    margin: 0 auto;
}
.first-screen {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 10rem;
    background: url("image/bg.jpeg") center 0 no-repeat;
    background-size: cover;
}
.header {
    position: absolute;
    left: 0;
    width: 100%;
    padding-top: 4.5rem;
    z-index: 5;
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: max(1.4rem, 13px);
    font-weight: 500;
    width: 19.28em;
    height: 3.5714em;
    border: 1px solid currentColor;
    border-radius: 15px;
}
.btn:hover {
    opacity: .8;
}

body.no-scroll {
    overflow-y: hidden;
}

.first-screen {
    position: relative;
    overflow: hidden;
    height: 100vh;
}

.content {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
}
body.no-scroll .content .img img {
    /*width: 100%;*/
    /*height: 100%;*/
}
.img {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 1s;
}

.text-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: transform .5s;
}

.logo, .btn {
    transition: opacity .5s;
}

.img video {
    height: 100%;
}