/*@font-face {
  font-family: "Champagne";
  src: url("../font/Champagne & Limousines Bold.ttf");
}*/
*{
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}
<link href="https://fonts.googleapis.com/css?family=Ultra" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Roboto+Slab" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Montserrat:600,700" rel="stylesheet"> 

body {  
  background-color: #0D302B;
    
    --color-vt-3: rgba(13, 48, 43, .3);
	--color-bg: #fff;
	--color-link: #d35066;
	--color-link-hover: #000;
	--color-info: #333;
	--color-menu: #031de6;
	--color-menu-hover: #000;
	--grid-columns: 2;
	--details-bg-up: #fff;
	--details-bg-down: #f5f0ef;
	--color-product-title: #000;
	--color-product-subtitle: #a09897;
	--color-details-title: #000;
	--color-details-subtitle: #000;
	--color-descr: #000;
	--color-price: var(--color-link);
	--color-bg-addtocart: #000;
	--color-addtocart: #fff;
	--color-close: #000;
	--color-bg-magnifier: #000;
	--color-magnifier: #fff;
	--color-btn-hover: #c1b3b1;
	--verde-bx: #0D302B;
	--verde2-bx: #a1ba00;
}
html{
    font-size: 13px;
}

h1,h2,h3,h4,h5{
    font-family: 'Montserrat', sans-serif;
    color: #fff;
}
a{
    font-size: 1.2rem;
    font-family: 'Montserrat',sans-serif;
}
p,i{
    font-size: 1.2rem;
    font-family: 'Roboto Slab', serif;
    color: #fff;
}

h1 {
  font-size: 3rem;
}
h2{
    font-size: 2rem;
}
h3{
    font-size: 1rem;
}
a,i{
    list-style: none;
    text-decoration: none;
}
img{
    display: block;    
}
.row{
    width: 100%;
    margin: auto;
    text-align: center;
}

/*-estilos del header-*/
.head-top{
    position: fixed;
    width: 100%;
    height: 60px;
    top: 0px;
    display: flex;
    justify-content: space-between;
    z-index: 10;
    background-color: #0D302B;
}
.head-top img{
    height: 50px;
    margin: 5px 25px;
}
.icon-menu-1{
    margin: 5px 25px;
    color: #fff;
}
.nav-top{
    position: absolute;
    height: 100vh;
    top: -8000px;
    width: 100%;
    transition: .4s;
    background-color: #0D302B;
    z-index: 5;
}
.menu-top{
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    height: 80%
}
.mostrar{
    top: 60px;
}
.icon-menu-1{
    display: block;
    width: 48px;
    height: 48px;
    font-size: 35px;
    text-align: center;
    line-height: 50px;
    cursor: pointer;
}

.logo-menu{
    height: 50px;
}



.header{
    display: none;
    position: absolute;
    width: 100%;
    background-color: #0D302B;
    z-index: 100;
}







/*------------estilos del MENU------------------*/

.menu__link__top{
    display: block;
    padding: 20px 0px;
    text-decoration: none;
    color: #FFF;
    text-align: center;
}
.menu__link__top:hover{
    background: #A1Ba00;
    color: darkgreen;
}



/*------------estilos Iconos------------------*/


.ico-med-b{
    font-size: 2rem;
    border-radius: 15%;
    border: 1px solid #FFF;
    color: #FFF;
    background: rgba(37, 211, 102, .8);
}
.ico-med{
    font-size: 2rem;
    border-radius: 15%;
    border: 1px solid #0D302B;
    padding: 5px;
    color: #0D302B
}


/*------------estilos del BOTON manta------------------*/

.leermas{
    width: 150px;
    background-color: transparent;
    line-height: 2;
    padding: 5px;
    margin: 5px;
    color: #fff;
    text-align: center;
    position: relative;
}

.leermas:before{
    content: "";
    display: block;
    width: 100%;
    height: 4px;
    background-image: url(../Img/manta.png);
    background-position: bottom center;
    background-size: cover;
    background-repeat: repeat;
    position: absolute;
    left: 0%;
    bottom: 0;
    -webkit-transition: all .5s;
    transition: all .5s
}
.leermas:hover:before{
    width: 0%;
    left: 0;
}

/*------------estilos del TITULOS------------------*/
.t1-b{
    color: #FFF;
}
.t1-v{
     color: #0D302B;
}
.t2-b{
    color: #FFF;
}
.t2-v{
     color: #0D302B;
}


/*------------estilos del PARRAFO------------------*/
.p-b{
    text-align: center;
    margin: auto;
    padding: 10px;
    color: #FFF;
}
.p-v{
    text-align: center;
    margin: auto;
    padding: 10px;
    color: #0D302B;
}


/*------------estilos del hero------------------*/
#hero {
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.layer {
  background-position: bottom center;
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100vh;
  position: fixed;
  z-index: -1;
}

#hero-mobile {
  display: none;
  background: url("../Img/oirtada_web.png") no-repeat center bottom/cover;
  height: 320px;
}

.first-section {
  padding: 50px 0 20px 0;
}

.text-header {
  font-size: 50px;
  text-align: center;
}

#hero,
.layer {
  max-height: 100vh;
/*    transition: all 0.1s ease;*/
}

.layer-bg {
  background-image: url(../Img/BGBX_01.png);
}

.layer-1 {
  background-image: url(../Img/BGBX_02.png);
}

.layer-2 {
  background-image: url(../Img/BGBX_03.png);
}

.layer-3 {
  background-image: url(../Img/BGBX_04.png);
}

.layer-4 {
  background-image: url(../Img/parallax009.png);
}

.layer-5 {
  background-image: url(../Img/BGBX_05.png);
}

.layer-6 {
  background-image: url(../Img/BGBX_07.png);
}

.layer-7 {
  background-image: url(../Img/BGBX_06.png);
}

.layer-8 {
  background-image: url(../Img/BGBX_08.png);
}

.layer-overlay {
  background-image: url(../Img/BGBX_09.png);
}


/*------------estilos del primera seccion------------------*/

.first-section{
 display: none;
}
/*------------estilos del Footer------------------*/
footer{
    background: #0D302B;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content:space-around;    
}
.logobx img{
    height: 80px;
    margin: 30px
}
.contact{

}
.contact [class^="cont"]{
    display: flex;
    flex-direction: row;
    align-items: center
}
.contact [class^="icon"]{
    margin: .5rem;
    color: #fff; 
    
}
.contact a{
    font-size: 1.5rem;
    color: #fff;
    font-family: 'Roboto Slab', serif
}
 
.social{
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px;
}
.social [class^="icon"]{
    font-size: 2rem;
    color: #fff;
    text-decoration: none;
    margin: 10px;
}
.social [class^="icon"]:hover{
    color: #A1Ba00;
    text-decoration: none;
 
}

.copy{
    color: #fff;
    padding: 20px;
    text-align: center;
    font-size: .7rem
}

@media(min-width:768px){
    p{
        font-size: 1.3rem;
    }
    .head-top{
        display: none;
    }
    .header{
        display: block;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .fixed{
        position: fixed;
        top: 0;
    }
    .nav{
        top: 0px;
        left: 0px;
    }
    .contenedor img{
        display: none
    }
    .contenedor{
        background: #A1BF37;
        height: 60px;
    }
    .icon-menu-1{
        display: none;
    }
    .menu{
        display: flex;
        justify-content: center;
        align-items: center;
        background: transparent;
        padding: 0px 0px;
        height: 60px;
        list-style: none;
        padding: 20px 0;
    }   

    .menu__link{
        padding: 0px 30px;
        margin: 0px;
        text-decoration: none;
        color: #FFF;
        text-align: center;
    }
    .menu__link:hover{
        
        color: #A1Ba00;
    }
   
    footer{
        display: grid;
        grid-gap: 0px;
        grid-template-columns: repeat(3,1fr);
        grid-template-rows: 1fr 1fr;
    }
    .logobx{
        grid-column:1/2;
        grid-row: 1/2;
        display: flex;
        margin: auto;
        justify-content: center;
        align-items: center;
    }
    .contact{
        grid-column:2/3;
        grid-row: 1/2;
        margin: auto;
    }
    .social{
        margin: auto;
        grid-column:3/4;
        grid-row: 1/2
    }
    .copy{
        margin: auto;
        grid-column:1/4;
        grid-row: 2/3
    }
    
}


@media only screen and (max-width: 768px) {
  #hero {
    display: none;
  }

  #hero-mobile {
    display: block;
  }
    
}