* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
    font-family: 'Google Sans', sans-serif;
}

:root {
    --ff-primary: 'Source Sans Pro', sans-serif;
    --ff-secondary: 'Source Code Pro', monospace;

    --fw-reg: 400;
    --fw-bold: 900;

    --clr-light: #fff;
    --clr-dark: #303030;
    --clr-accent: #16e0bd;

    --fs-h1: 3rem;
    --fs-h2: 2.25rem;
    --fs-h3: 1.25rem;
    --fs-h0: 1.2rem;
    --fs-body: 1rem;

    --bs: 0.25em 0.25em 0.75em rgba(0,0,0,.25),
          0.125em 0.125em 0.25em rgba(0,0,0,.15);
}

html {
    scroll-behavior: smooth;
}

body{
    background: #fff;
}


#particles-js {
    position: absolute;
    background: #000;
    top: 0;
    left: 0;
    bottom: 5;
    width: 100%;
    height: 150%;
    z-index: -1;
}


section {
    padding: 5em 2em;
}

header{
    width: 100%;
    height: 80px;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 100px;
    position: sticky;
    top: 0;
    z-index: 999;
}

/* .logo{
    font-size: 28px;
    font-weight: bold;
    color: #fff;
} */

.logo{
    flex: 1; 
}
.logo a{
    display: flex;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    color: #fff;
}

.logo img{
    width: 40px;
    margin-right: 10px;
}


.hamburger{
    display: none;
}

.nav-bar.active{
    height: 450px;
}

.nav-bar ul{
    display: flex;
}

.nav-bar ul li a{
    display: block;
    color: #fff;
    font-size: 20px;
    padding: 10px 25px;
    border-radius: 50px;
    transition: 0.2s;
    margin: 0 5px;
}

.nav-bar ul li a:hover{
    color: #000;
    background: #fff;
}

.nav-bar ul li a.active{
    color: #000; 
    background: #fff;
}

@media only screen and (max-width:1320px){
    header{
        padding: 0 50px;
    }
}

@media only screen and (max-width:1100px){
    header{
        padding: 0 30px;
    }
}

@media only screen and (max-width:900px){
    .hamburger{
        display: block;
        cursor: pointer;
    }
    .hamburger .line{
        width: 30px;
        height: 3px;
        background: #fff;
        margin: 6px 0;

    }
    .nav-bar{
        height: 0;
        position: absolute; 
        top: 80px; 
        left: 0;
        right: 0; 
        width: 100vw;
        background: #000;
        transition: 0.5s;
        overflow: hidden;
    }
    .nav-bar ul{
        display: block;
        width: fit-content;
        margin: 80px auto 0 auto;
        text-align: center;
        transition: 0.5s;
        opacity: 0;
    }
    .nav-bar.active ul{
        opacity: 1;
    }
    .nav-bar ul li a{
        margin-bottom: 12px;
    }
}


.home-intro{
    color: #fff;
    align-items: center;
    font-size: 500%;
    text-align: center;
}

#section10 { background: url(https://www.nxworld.net/example/css-scroll-down-button/bg09.jpg) center center / cover no-repeat;}
#section10 a {
    padding-top: 100px;
  }
  #section10 a span {
    position: absolute;
    top: 500px;
    left: 50%;
    width: 30px;
    height: 50px;
    margin-left: -15px;
    border: 3px solid #fff;
    border-radius: 5000px;
    box-sizing: border-box;
  }
  #section10 a span::before {
    position: absolute;
    top: 10px;
    left: 50%;
    content: '';
    width: 6px;
    height: 6px;
    margin-left: -3px;
    background-color: #fff;
    border-radius: 200%;
    -webkit-animation: sdb10 2s infinite;
    animation: sdb10 2s infinite;
    box-sizing: border-box;
  }
  #section10 a span::after {
    position: absolute;
    bottom: -18px;
    left: 50%;
    width: 18px;
    height: 18px;
    content: '';
    margin-left: -9px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    box-sizing: border-box;
  }
  @-webkit-keyframes sdb10 {
    0% {
      -webkit-transform: translate(0, 0);
      opacity: 0;
    }
    40% {
      opacity: 1;
    }
    80% {
      -webkit-transform: translate(0, 20px);
      opacity: 0;
    }
    100% {
      opacity: 0;
    }
  }
  @keyframes sdb10 {
    0% {
      transform: translate(0, 0);
      opacity: 0;
    }
    40% {
      opacity: 1;
    }
    80% {
      transform: translate(0, 20px);
      opacity: 0;
    }
    100% {
      opacity: 0;
    }
  }

/*services*/

/*  My services section  */

.my-services {
    background-color: #000;
    background-image: url(../img/services-bg.jpg);
    background-size: cover;
    /* background-blend-mode: multiply; */
    color: #fff;
    text-align: center;
    /* height: 830px; */
    height: 100%;
    width: 100%;
}

.section__title--services {
    color: #9900ff;
    position: relative;
}

.section__title--services::after {
    content: '';
    display: block;
    width: 2em;
    height: 1px;
    margin: 0.5em auto 1em;
    background: #fff;
    opacity: 0.25;
}

.services {
    margin-bottom: 1.5em;
}

.service {
    max-width: 310px;
    margin: 0 auto;
    margin-bottom: 2em;
}


@media (min-width: 800px) {
    .services {
        display: flex;
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
    }

    .service + .service {
        margin-left: 2em;
    }
}

#section07 { background: url(https://www.nxworld.net/example/css-scroll-down-button/bg07.jpg) center center / cover no-repeat; position: relative; top: 2140;}
#section07 a {
    padding-top: 0px;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    padding: .5em 2.5em;
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: var(--fw-bold);
    margin-bottom: 0em;
  }
  #section07 a span {
    position: absolute;
    top: 0;
    left: 50%;
    width: 24px;
    height: 24px;
    margin-left: -12px;
    border-left: 1px solid #fff;
    border-bottom: 1px solid #fff;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    -webkit-animation: sdb07 2s infinite;
    animation: sdb07 2s infinite;
    opacity: 0;
    box-sizing: border-box;
  }
  #section07 a span:nth-of-type(1) {
    -webkit-animation-delay: 0s;
    animation-delay: 0s;
  }
  #section07 a span:nth-of-type(2) {
    top: 16px;
    -webkit-animation-delay: .15s;
    animation-delay: .15s;
  }
  #section07 a span:nth-of-type(3) {
    top: 32px;
    -webkit-animation-delay: .3s;
    animation-delay: .3s;
  }
  @-webkit-keyframes sdb07 {
    0% {
      opacity: 0;
    }
    50% {
      opacity: 1;
    }
    100% {
      opacity: 0;
    }
  }
  @keyframes sdb07 {
    0% {
      opacity: 0;
    }
    50% {
      opacity: 1;
    }
    100% {
      opacity: 0;
    }
  }

  .img2 {
    height: 200px;
    width: 200px;
    border-radius: 50%;
    margin-bottom: 2em;
    border: 3px solid #fff;
    cursor: pointer;
    transition: transform 200ms ease-in-out;
}

.img3{
   margin: auto;
   display: block;
   width: 250px;
   height: 250px;
   margin-bottom: 20px;
   border-radius: 50%;

}

.img2:hover {
    transform: scale(1.1);
    margin-bottom: 2em;

}

.my-services .services .service .h3{
    margin-bottom: 50px;
}

.btn {
    display: inline-flexbox;
    padding: .4em 3em;
    background: #9900ff;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: var(--fw-bold);
    border-radius: 8px;
    padding-top: 0.06em;
    text-align: center;
    transition: transform 200ms ease-in-out;
}


/* footer */
.footer {
    background: #111;
    color: #fff;
    text-align: center;
    padding: 2.5em 0;
    font-size: 28px;

}

.footer a {
    color: inherit;
    text-decoration: none;
}

.footer__link {
    font-weight: 28px;
}

.footer__link:hover,
.social-list__link:hover {
    opacity: .7;
}

.footer__link:hover {
    text-decoration: underline;
}

.social-list {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 2em 0 0;
    padding: 0;
}

.social-list__item {
    margin: 0 .5em;
}

.social-list__link {
    padding: .5em;
}