*,*::before,*::after{
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

:root {
    --fontPop: 'Poppins', sans-serif; 
}


body{
    background-color: #0F0F10;
    font-family: var( --fontPop);
    height: auto;
}


.container-fluid{   
    padding: 0 4rem;
}


/* navbar */ 
.navbar{
    transition: .3s ease-in;
}

.navbar.active{
    backdrop-filter: blur(2px);
    background-color: rgba(0, 0, 0, 0.212);
}


.navbar-toggler{
    border: none;
    outline: none;
}

.navbar-toggler img{
    width: 40px;
    height: auto;
    object-fit: contain;
}

.navbar-nav{
    font-family: var(--fontPop);
    font-size: 15px;
}

.navbar-brand img{
    height: 36px;
}

li a{
    text-decoration: none;
    color: white;
}

.btn{ 
    background-color: #0F0F10;
}

/* hero */
.hero{
    width: 100%;
    height: 750px;
}

.bgRadient{
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(216.71deg, rgba(255, 255, 255, 0.16) -9.34%, rgba(234, 234, 234, 0.041) 29.34%, rgba(217, 217, 217, 0) 66.44%);
}

.hero .container{ 
    width: 100%;
    height: 100%;
}

.bgText{
    background: linear-gradient(266.44deg, #3C3C3C -13.1%, rgba(60, 60, 60, 0) 82.12%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 7px;
    top: 24%;
    left: 5%;
}

#image{
    max-width: 100%;  
    overflow: hidden;
}

.about_headphone_hero{

}

#image img{ 
    height: auto;
    width: 70%;

    object-fit: contain;
}

/* content hero */
.content_hero{
    width: 50%;
    flex-direction: column;
}

.content_hero .merk{
    color: #F2F2F3;
    height: 13px;
    font-size: 1.5rem;
    font-weight: 100;
}

.content_hero .type{
    font-size: 2.5rem;
}

.content_hero .about_headphone_hero{
    height: 200px;
    color: #BBBBBB;
}

.about_headphone_hero p{
    width: 410px; 
}

#bag-btn{
    background-color: #1D1D1D;
    box-shadow: -3px 3px 14px 1px #00000080; 
 
    font-size: 13px;
    gap: 1rem;
    padding: .7rem 0;
    width: 30%;
}

#bag-btn img{
    height: 20px;
    width: auto;  
    object-fit: cover;
} 
 
/* specs  */ 
.specs{
    height: auto; 
}

.specs_title{
    background: linear-gradient(266.71deg, #434343 16.2%, #1D1D1D 65.12%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    font-size: 4rem;
    letter-spacing: 1px;
    font-weight: 700; 
}

.specs_content{
    height: auto; 
    max-width: 1500px;
}
 

.image_specs{
    margin-top: 3rem;
    width: 100%;
    height: auto;
    position: absolute; 
}

.col_specs{
    margin-top: 2.5rem;
    padding: 0 5rem;
    width: 100%;
    justify-content: space-between;
}
 
.col_specs .col1,
.col_specs .col2{
    width: 40%; 

    align-items: center;
}

.col_specs .col1,
.col_specs .col2{
    padding-left: 5rem;
}
 
.specs_headphone{
    width: 50%; 
    margin-top: 4.5rem; 

    margin-left: var(--left);
    margin-right: var(--right);
}

.iconSpecs img{
    height: auto;
    width: var(--widthX);
    margin-bottom: .5rem;

    object-fit: contain;
}

.specs_name{ 
    line-height: .6;
}

 .specs_name p{
    font-size: .9rem;
}

 .specs_name span{
    font-size: .7rem;
    opacity: .8;
}

/* support tool */
#support-tool{
    margin-top: 15rem;
}

.support-tool_title{
    background: linear-gradient(266.71deg, #434343 16.2%, #1D1D1D 65.12%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    font-size: 4rem;
    font-weight: 900;
}

.support-tool_content{
    height: 1000px; 
    padding: 0 13rem;

    max-width: 1300px;
}

.support-tool_content .support-tool_case,
.support-tool_content .support-tool_cable{
    height: 500px;  
 
}

.support_image{ 
    height: 100%;
    width: 50%;
 
}

.support_image img{
    height: var(--heightX);
    width: auto;
    
    object-fit: contain;
}

.support-tool_about{
    width: 60%; 
    padding: 0 1rem;
}

.support-tool_about-title{
    color: #DDDDDD;
    font-size: 2rem;
}

.support-tool_about-content{
    color: #C9C9C9;
    font-size: .9rem;

    line-height: 2.6;
    width: var(--widthX);
 
}

.support-tool_about .btn{
    background-color: #1D1D1D;

    font-size: 1rem;
}

/* models */
#models{
    margin: 5rem 0;
}

.models_title{
    background: linear-gradient(266.71deg, #555555 26.2%, #111111 85.12%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 2px;
}

#models .container{ 

    width: 900px;
    height: 900px;
 

    gap: 2rem;

    margin-top: 5rem;
}

.models_select-img {
    height: 70%;

}

.seledted_models{
    width: 20%; 

    flex-direction: column;
    height: 100%;
}

.select_model{
    height: 33.33%;
    width: 100%;
 
    cursor: pointer;
}

.select_model img{
    object-fit: cover;
}

.model_image{
    width: 75%;  

    height: 100%;
}

.model_name{
    left: 10%;
    top: 10%;

    font-size: 3rem;
    font-weight: 700;

    background: linear-gradient(320.45deg, #a0a0a0 -74.87%, rgba(2, 2, 2, 0) 94.12%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.model_image img{
    object-fit: cover;
    opacity: .9;
}
 

.models_images{
    height: 8%;  
}

.model_img{
    width: 90px;   
}

.model_img img{
    object-fit: contain; 

    cursor: pointer;
}

/* product */
#products{
    height: auto;
    
    padding: 4rem 2rem;
}

#products .product_title{
    font-weight: 900;
    font-size: 4rem;

    background: linear-gradient(268.9deg, #989898 -45.24%, #000000 81.03%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.swiper { 
    height: 540px;

    margin-top: 9rem; 

    display: flex;
    justify-content: center;
 
    max-width: 1500px;
 }

 

  .swiper-button-prev::after,
  .swiper-button-next::after{
    display: none;
}
 

  .swiper-button-prev,
  .swiper-button-next{
    background-image: var(--bgImg);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;

    height: 60px;
    width: 100px;
}

  .swiper-wrapper{
    align-items: center;
}

  /* swipper slide */
  .swiper-slide{
    width: 200px; 
    height: 100%; 
 
    display: flex;
    align-items: center;
    justify-content: center; 
} 

  .swiper-slide-prev{
    padding-left: 5rem;
}
  .swiper-slide-next{
    padding-right: 5rem;
}
 
  .product{
    width: 83%;
    height: 75%; 

    background-color: #131313;
    box-shadow: 0px 4px 33px 0px #00000040;

    transition: all .5s ease-in;
    overflow: hidden;
    user-select: none;
}

  .product .image{
    height: 160px;
}

  .product .price{
    position: absolute;
    left: 2.4rem;
    top: 1.5rem;

    font-size: .75rem ;
    font-weight: 800;
    background: linear-gradient(259.96deg, #bdbdbd -24.79%, rgba(17, 17, 17, 0) 98.06%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent; 
}

  .name_product{
    font-size: .7rem;
    padding: 0 1.5rem;
    letter-spacing: 1px;

    margin: .5rem 0;
}

  .product .image img{
    height: 100%;
    width: auto;
    object-fit: contain;
}

  .product .line{
    width: 70%;
    height: 2px;

    background: linear-gradient(269.95deg, rgba(255, 255, 255, 0.64) 12.09%, rgba(217, 217, 217, 0) 82.67%);
}

  .about_product{
    font-size: .7rem;
    color: #AFAFAF;

    min-height: 100px;
    padding: 0 .8rem;
    letter-spacing: .1px  ;
    font-weight: 700; 
}
 

  .see_more{
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .6px;

    padding-left: 1rem;
}

  .see_more img{
    height: 17px;
    width: auto;
    margin-left: .3rem;

    object-fit: contain;
    transition: .3s ease-in-out;
}

   .swiper-slide-active  .product{
    width: 90%; 
    height: 90%;
    user-select: all;
}

  .swiper-slide-active  .product .image{
    height: 190px;
}

  .swiper-slide-active .name_product{
    font-size: 1rem;
    padding: 0 1.4rem;

    font-weight: 700;
    letter-spacing: .5px;
}

  .swiper-slide-active .about_product{
    font-size: .8rem;
    font-weight: 700;
    line-height: 1.6;
    padding: 0 1.5rem;
    height: 130px;
}

  .swiper-slide-active .price{
    font-size: 1rem;
}

  .swiper-slide-active  .product .see_more{
    font-size: .9rem;
}

  .swiper-slide-active  .product .see_more img{
    height: 25px;
}

  .swiper-slide-active  .product .see_more:hover{
    cursor: pointer;
}

  .swiper-slide-active  .product .see_more:hover img{
    margin-left: 1rem;
}

/* footer */
footer{
    margin-top: 12rem;

    height: 140px; 
}


footer .logo,
footer .link_media{
    width: 25%;
    height: 100%;

    justify-content: center;
}

footer .logo img{
    height: 50px;
    width: auto;

    object-fit: contain;
}

.link_footer{
    width: 50%;
    height: 100%; 

    gap: 1rem;
} 

.link_footer .link{
    width: 150px; 
}

.link_footer .link a{
    font-size: .9rem;
    color: white;
}

footer .link_media img{
    height: 27px;
    width: auto;

    object-fit: contain;
    margin: 0 1rem;
    cursor: pointer;
}

.by{
    bottom: 0;
    color: #868686;
    font-size: .8rem;
}