@import url('https://fonts.googleapis.com/css?family=Poppins:200,300,400,500,600,700,800,900&display=swap');
*
{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
  scroll-behavior: smooth;
}
section{
  padding: 100px;
}
.banner
{
  position: relative;
  min-height: 100vh;
  background: url(https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/A_black_image.jpg/640px-A_black_image.jpg);
  background-size: cover;
  background-position: right;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.banner h2
{
  font-size: 3em;
  color: #fff;
  font-weight: 500;
  line-height: 1.5em;
}
.banner h2 span
{
  font-size: 1.5em;
  font-weight: 700;
}
.banner h3
{
  font-size: 1.5em;
  color: #fff;
  font-weight: 500;
}
.btn
{
  position: relative;
  background: #2196f3;
  display: inline-block;
  color: #fff;
  margin-top: 20px;
  padding: 10px 30px;
  font-size: 18px;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 2px;
  font-weight: 500;
}
.sci
{
  position: absolute;
  display: flex;
  flex-direction: column;
  right: 100px;
}
.sci li
{
  list-style: none;
}
.sci li a
{
  position: relative;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  text-decoration: none;
  border: 1px solid #fff;
  margin: 10px 0 0;
}
.sci li a:hover
{
  background: #fff;
}
.sci li a img
{
  max-width: 20px;
  filter: invert(1);
  mix-blend-mode: difference;
}
header
{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 40px 100px;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: 0.5s;
}
header.sticky
{
  background: #fff;
  padding: 20px 100px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}
header .logo
{
  color: #fff;
  font-size: 24px;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 2px;
}
header.sticky .logo
{
  color: #111;
}
header ul
{
  position: relative;
  display: flex;
}
header ul li
{
  position: relative;
  list-style: none;
}
header ul li a
{
  position: relative;
  display: inline-block;
  margin:0 15px;
  color: #fff;
  text-decoration: none;
}
header.sticky ul li a
{
  color:#111;
}
.heading
{
  width: 100%;
  text-align: center;
  margin-bottom: 30px;
  color: #111;
}
.heading h2
{
  font-weight: 600;
  font-size: 30px;
}
.content
{
  display: flex;
  justify-content: space-between;
}
.contentBx
{
  padding-right: 30px;
}
.contentBx h3
{
  font-size: 24px;
  margin-bottom: 10px
}
.w50
{
  min-width: 50%;
  margin: 0 auto;
  text-align: center;
}
img
{
  max-width: 50%;
  max-height:50%
  height: auto;
}
.services
{
  background: #111;
}
.heading.white
{
  color: #fff;
}
.services .content
{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  flex-direction: row;
}
.services .content .servicesBx
{
  padding: 40px 20px;
  background: #222;
  color: #fff;
  max-width: 340px;
  margin: 20px;
  text-align: center;
  transition: 0.5s;
}
.services .content .servicesBx:hover
{
  background: #2196f3;
}
.services .content .servicesBx img
{
  max-width: 80px;
  filter: none;
}
.services .content .services h2
{
  font-size: 20px;
  font-weight: 600;
}
.work .content
{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.work .content .workBx
{
  width: 50%;
  padding: 20px;
}
.work .content .workBx img
{
  max-width: 100%;
}
.testimonial
{
  background: #f7f7f7;
}
.testimonial .content
{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.testimonial .content .testimonialBx
{
  max-width: calc(50% - 40px);
  padding: 60px 40px;
  margin: 20px;
  background: #2196f3;
}
.testimonial .content .testimonialBx p
{
  color: #fff;
  font-style: italic;
  font-size: 16px;
  font-weight: 300;
}
.testimonial .content .testimonialBx h3
{
  margin-top: 40px;
  text-align: center;
  color: #fff;
  font-weight: 600;
  font-size: 20px;
  line-height: 1em;
}
.testimonial .content .testimonialBx h3 span
{
  font-size: 14px;
  font-weight: 400;
}
.contact
{
  background: #111;
}
.copyright
{
  background: #000;
  color: #fff;
  text-align: center;
  padding: 10px;
}

/*Responsive*/
@media(max-width: 991px)
{
  header,
  header.sticky
  {
    padding: 20px 50px;
    z-index: 1000;
  }
  .menu
  {
    position: fixed;
    top: 75px;
    left: -100%;
    display: block;
    padding: 100px 50px;
    text-align: center;
    width: 100%;
    height: 100vh;
    background: #fff;
    transition: 0.5s;
    z-index: 999;
    border-top: 1px solid rgba(0,0,0,0.2);
  }
  .menu.active
  {
    left: 0;
  }
  header ul li a
  {
    color: #111;
    font-size: 24px;
    margin: 10px;
  }
  .toggle
  {
    width: 40px;
    height: 40px;
    background: url(menu.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 30px;
    cursor: pointer;
  }
  .toggle.active
  {
     background: url(close.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 25px;
    cursor: pointer;
  }
  header.sticky .toggle
  {
    filter: invert(1);
  }
  section
  {
    padding: 100px 50px;
  }
  .banner
  {
    padding: 150px 50px 100px;
  }
  .banner h2
  {
    font-size: 1.5em;
  }
  .banner h3
  {
    font-size: 1em;
  }
  .btn
  {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 16px;
  }
  .heading h2
  {
    font-size: 24px;
  }
  .contentBx h3
  {
    font-size: 20px;
  }
  .content
  {
    flex-direction: column;
  }
  .w50
  {
    margin-bottom: 20px;
  }
  .services .content .servicesBx
  {
    margin: 10px;
  }
  .work .content .workBx
  {
    width: 100%;
    padding: 10px;
  }
  .testimonial .content .testimonialBx
  {
    max-width: calc(100% - 20px);
    padding: 40px 20px;
    margin: 10px;
    background: #2196f3;
  }
  .testimonial .content .testimonialBx h3
  {
    margin-top: 20px;
  }
  .contact
  {
    margin: 20px 0;
  }
}
@media (max-width: 600px)
{
  header,
  header.sticky
  {
    padding: 20px 50px;
  }
  .banner
  {
    padding: 150px 50px 100px;
  }
  section 
  {
    padding: 100px 20px;
  }
  
  .sci
  {
    position: absolute;
    bottom: 50px;
    right: initial;
    flex-direction: row;
  }
  .sci li a
  {
    margin: initial;
    margin-right:10px;
  }
}