*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', helvetica;
    box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
}

body {
    background: #232323;
    color: #fff;
}

p {
    line-height:150%;
}

#header {
    width: 100%;
    height: 100vh;
    background-image: url(/images/background.png);
    background-size: cover;
    background-position: center;
    
}

.container{
    padding:10px 10%;
    margin-top: 25px;
}

nav{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding-right: 50px;
    padding-left: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    background: #000000;
    transition: 0.5s;
    z-index: 100000;
}

.logo{
    width: 240px;
}

nav ul li{
    display: inline-block;
    list-style: none;
    margin: 10px 20px;
    position: relative;
}

nav ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    position:relative;
    transition: 0.5s;
}

nav ul li a::after{
    content: '';
    width: 0;
    height: 3px;
    background: #ddc7a0;
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}
nav ul li a:hover::after{
   width: 100%; 
}

nav.sticky
{
    padding: 5px 50px;
    background: #9f7f49;
}



  /* Dropdown container - needed to position the dropdown content */
  .dropdown {
    float: left;
    position: relative;
    bottom: -15px;
  }
  
  /* Style the dropdown button to fit inside the topnav */
  .dropdown .dropbtn {
    font-size: 18px;
    color: white;
  }
  
  /* Style the dropdown content (hidden by default) */
  .dropdown-content {
    display: none;
    position: absolute;
    top: 20px;
    padding-top:15px;
    padding-bottom:20px;
    left:-15px;
    background: linear-gradient(rgba(0,0,0,0.0), #6b5124);
    min-width: 160px;
    z-index: 1;
    border-radius: 0.5rem;
  }
  
  /* Style the links inside the dropdown */
  .dropdown-content a{
    float: none;
    color: #fff;
    padding: 20px 16px;
    padding-bottom: 0px;
    text-decoration: none;
    display: block;
    text-align: left;
    transition: 0.5s;
    font-size: 18px;
    position:relative;
  }

  .dropdown-content a:hover::after{
    position:absolute;
    left: 15px;
    width: 50%; 
    bottom: -6px;
 }


.dropdown:hover .dropdown-content {
    display: block;
    transition: 0.5s;
}

.header-text{
    margin-top: 20%;
    font-size: 18px;
}
.header-text h1{
    font-size: 48px;
    margin-top:20px;
}
.header-text h1 span{
    color:#ddc7a0;
}
.p1{
    font-size: 14px;
    margin-top:20px;   
}
/*---------about---------- */
#about{
    padding:60px 0;
    color: #ababab;
}

.row{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.about-col-1{
    flex-basis: 35%;
    margin-bottom: 30px;
}

.about-col-1 img{
    margin-block: 0px;
    width: 100%;
    border-radius: 15px;
}
.about-col-2{
    flex-basis: 60%;
    font-size: 14px;
}
.sub-title{
    font-size: 40px;
    font-weight: 600;
    color: #fff;
}
.tab-titles{
    display: flex;
    margin: 20px 0 40px;
}
.tab-links{
    margin-right: 50px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}
.tab-links::after{
    content:'';
    width: 0;
    height: 3px;
    background: #ddc7a0;
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}
.tab-links.active-link::after{
    width:100%;
}

.tab-links:hover::after{
    width: 100%;
} 

#read-Btn{
    margin-top: 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}
#read-Btn::after{
    content:'';
    width: 0;
    height: 3px;
    background: #ddc7a0;
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}
#read-Btn::after{
    width:0%;
}

#read-Btn:hover::after{
    width:80px;
} 
.tab-contents ul li{
    list-style: none;
    margin: 10px 0;
}

.tab-contents ul{
    margin-bottom: -30px;
    margin-top: -5px;
}

.download-btn{
    margin-bottom: -40px;
    margin-top: -100px;
    display: inline-block;
    margin: 50px auto;
    width: fit-content;
    border: 1px solid #9f7f49;
    background: #9f7f49;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    transition: background 0.5s;
}

.download-btn:hover{
    background: #a99168;
}

.tab-contents ul li span{
    color: #ddc7a0;
    font-size: 14px
}
.tab-contents{
    display:none;
}
.tab-contents.active-tab{
    display:block;
}
#more {display: none;}
/* --------compositions--------*/
#composition{
    padding: 60px 0;
    background: #000000;
    padding-bottom: 120px;
}

.work-list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 50px;
}

.work{
    border-radius:10px;
    position: relative;
    overflow: hidden;
}
.work img{
    width: 100%;
    border-radius: 10px;
    display: block;
    transition: transform 0.5s;
}
.layer{
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0,0,0,0.6), #6b5124);
    border-radius: 10px;
    position: absolute;
    left: 0;
    bottom:0;
    overflow: hidden;
    display: flex;
    align-items:center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}
.layer a{
    margin-top: 20px;
    color: #6b5124;
    text-decoration: none;
    font-size: 14px;
    line-height: 60px;
    background: #ababab;
    width: 60px;
    height: 60px;
    border-radius:50%;
    transition: background 0.5s;
}

.layer a:hover{
    background: #fff;
}

.work:hover img{
    transform:scale(1.1);
}

.work:hover .layer{
    height:100%;
}


/*---------Research----------*/

#research{
    padding-top: 50px;
    background: #232323;
    padding-bottom: 185px;
}

.research-list{
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-row-gap: 40px;
    grid-column-gap: 40px;
    margin-top: 100px;
}
.research-list div{
    background: #4e4e4e;
    padding: 40px;
    font-size: 13px;
    font-weight: 300;
    border-radius: 10px;
    transition: background 0.5s, transform 0.5s;
}

.research-list div i{
    font-size: 50px;
    margin-bottom: 30px;
}

.research-list div h2{
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 15px;
}

.research-list div a{
    text-decoration: none;
    color: #fff;
    font-size: 12px;
    margin-top: 20px;
    display: inline-block;
}

 .research-list div:hover{
    background: #9f7f49;
    transform: translateY(-10px);
 }

 .research-list div i{
    color: #ddc7a0;
 }

 #viewbtn{
    margin-top: 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}
#viewbtn::after{
    content:'';
    width: 0;
    height: 3px;
    background: #ddc7a0;
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}
#viewbtn::after{
    width:0%;
}
#viewbtn:hover::after{
    width: 100%;
} 

/*----------contact-------------*/
#contact{
    background: #232323;
    padding-top: 100px;
    padding-bottom:0px;
}

.contact-left{
    flex-basis:35%;
}
.contact-right{
    flex-basis:60%;
}
.contact-left p{
    margin-top: 30px;
}

.contact-left p i{
    color: #a99168;
    margin-right: 15px;
    font-size: 25px;
}

.contact-left i:hover{
    color: #ddc7a0;
    transform:translateY(-5px);
    }


.social-icons{
    margin-top: 30px;
}

.social-icons a{
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: #ababab;
    display: inline-block;
    transition: transform 0.5s;
}

.social-icons a:hover{
    color: #ddc7a0;
    transform:translateY(-5px);
}


.contact-right form{
    width: 100%;
}
form input, form textarea{
    width: 100%;
    border: 0;
    outline: none;
    background: #fff;
    padding: 15px;
    margin: 15px 0;
    color: #232323;
    font-size: 18px;
    border-radius: 6px;
}
form .download-btn{
    padding: 14px 60px;
    font-size: 18px;
    margin-top: 20px;
    cursor:pointer;
    background-color: #000000;
}
form .download-btn{
    display: inline-block;
    margin: 50px auto;
    width: fit-content;
    border: 1px solid #9f7f49;
    background: #9f7f49;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    transition: background 0.5s;
}

form .download-btn:hover{
    background: #a99168;
}

/* --------codes--------*/

#codes{
    background: #000000;
    padding-top: 50px;
    padding-bottom: 80px;
}

.swiper{
    width: 100%;
    object-fit: cover;
    object-position: center;
    border: #9f7f49;
    border-radius: 0.5rem;
  }

  .swiper-slide {
    text-align: center;
    display: inline-block;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 0px;
    font-size: 14px;
    overflow: hidden;
    padding: 40px;
    background: #232323;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    color:#fff;
}

.slide-left{
    flex-basis: 50%;
    display: flex ;
    align-content: center;
}

.slide-left img{
    width:fit-content;
    border-radius: 15px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    justify-content:center;
    border-radius: 0.5rem;
    height: 400px;
}

.slide-right{
    flex-basis: 40%;
    font-size: 14px;
    padding: 60px;
}

.portfolio_title{
    font-size: 24px;
    margin-bottom: 10px;
}

.portfolio_description{
    margin-bottom: 15px;
}

.portfolio_btn{
        display: block;
        margin: 50px auto;
        width: fit-content;
        border: 1px solid #9f7f49;
        background: #9f7f49;
        padding: 14px 20px;
        border-radius: 6px;
        text-decoration: none;
        color: #fff;
        transition: background 0.5s;
    }
    
.portfolio_btn:hover{
        background: #a99168;
    }

.copyright{
    width: 100%;
    text-align:center;
    padding: 25px 0;
    background: #000000;
    font-weight: 300;
    margin-top: 50px;
}

:root {
    --swiper-navigation-color: #9f7f49;
    --swiper-pagination-color:#9f7f49;
}

/*------------ css for small screens-----------*/
nav .fas{
    display: none;
}

nav .fa-solid{
    display: none;
}

@media only screen and (max-width:600px){
    #header{
        background-image: url(/images/phone-background.png);
    }
    .header-text{
        margin-top: 100%;
        font-size: 16px;
    }
    .header-text h1{
        font-size: 30px;
    }
    #acoustic-works{
        background-image: url(/images/phone-acoustic-background.png);
    }

    .acoustic-header-text{
        margin-top: 100%;
        font-size: 16px;
    }
    .acoustic-header-text h1{
        font-size: 30px;
    }
    nav .fas{
        display: block;
        font-size: 25px;
    }
    nav ul{
        background: #a99168;
        position: fixed;
        top: 0;
        right: -200px;
        width: 200px;
        height: 100vh;
        padding-top: 50px;
        z-index: 2;
        transition: right 0.5s;
    }

    nav ul li{
        display: block;
        margin: 25px;
    }

    nav ul span{
        position: absolute;
        margin-top: 20px;
    }

    nav ul .dropdown{
        position: absolute;
        top:0px;
        padding-right: 0px;
        margin-right: 0px;
        z-index: 0;
    }

    nav ul .dropdown .dropdown-content{
        position: absolute;
        left:-180px;
        top:-10px;
        right:0px;
        background: linear-gradient(to right, rgba(0,0,0,0.0), #a99168);
        padding-top: 0px;
        padding-left: 0px;
        padding-right: 0px;
    }

    nav ul .dropdown .dropdown-content a{
        text-align: left;
    }

    nav ul .dropdown-content a:hover::after{
        position:absolute;
        left: 15px;
        width: 25%; 
        bottom: -6px;
     }
    
    nav ul .dropdown:hover .dropdown-content {
        display: block;
        transition: 0.5s;
    }

    nav ul .fas{
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
    }

    nav .fa-solid{
        display: block;
        font-size: 25px;
        position: absolute;
        top:25px;
        right:50px;
        cursor: pointer;
    }

    .sub-title{
        font-size: 40px;
    }

    .about-col-1, .about-col-2{
        flex-basis: 100%;
    }

    .about-col-1{
        margin-bottom: 30px;
    }

    .about-col-2{
            font-size: 14px;
    }

    .tab-links{
        font-size: 16px;
        margin-right: 20px;
    }

    .contact-left, .contact-right{
        flex-basis: 100%;
    }

    .slide-left, .slide-right{
        flex-basis: 100%;
    }

    .slide-left{
        overflow-wrap: wrap;
    }

    .slide-right{
        font-size: 14px;
        margin-right: 10px;
        margin-left: 10px;
    }
    .copyright{
        font-size: 14px;
    }
}


#msg{
    color: #61b752;
    margin-top: -40px;
    display: block;
}

/*-----------Acoustic---------*/

#acoustic-works{
    width: 100%;
    height: 100vh;
    background-image: url(/images/acoustic-background.png);
    background-size: cover;
    background-position: center;
}

.acoustic-header-text{
    margin-top: 28%;
    font-size: 18px;
    text-align: center;
}
.acoustic-header-text h1{
    font-size: 48px;
    margin-top:20px;
}
.acoustic-header-text h1 span{
    color:#ddc7a0;
}

#acoustic-works .header-text{
    font-size: 24px;
}

.acoustic-background{
    position: absolute;
    right: 0px;
    bottom: 0;
    z-index: -1;
}

#solo{
    padding: 60px 0;
    background: #000000;
    padding-bottom: 120px;
}

.acoustic-work img{
    width: 100%;
    border-radius: 10px;
    transition: transform 0.5s;
    max-height: 100%
}

.acoustic-layer{
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0,0,0,0.6), #6b5124);
    border-radius: 10px;
    position: absolute;
    left: 0;
    bottom:0;
    overflow: hidden;
    display: flex;
    align-items:center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}
.acoustic-layer a{
    margin-top: 20px;
    color: #6b5124;
    text-decoration: none;
    font-size: 14px;
    line-height: 60px;
    background: #fff;
    width: 100px;
    height: 60px;
    border-radius:50%;
    transition: background 0.5s;
}

.acoustic-layer a:hover{
    background: #ead5b0;
}

.acoustic-work:hover img{
    transform:scale(1.1);
}

.acoustic-work:hover .acoustic-layer{
    height:100%;
}



/*-----------Electroacoustic----------*/
/*-----------multimedia----------*/

#multimedia-works {
    background: #000000;
    width: 100%;
    height: 100vh;
    position: relative;
    padding: 40px;
    display: flex;
    }

#myVideo {
    position: absolute;
    right: 0;
    bottom: 0;

    align-items: center;
    justify-content: space-between;
    z-index: 10;
  }