* {
  box-sizing: border-box;
}

body,
html {
  padding: 0;
  margin: 0;
  font-size: 16px;
  font-family: "Noto Sans HK", sans-serif;
}

body {
  padding-top: 86px;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: white;
  padding-top: 15px;
  padding-bottom: 15px;
}

.container {
  width: 100%;
  padding-left: 30px;
  padding-right: 30px;
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

ul.nav {
  display: flex;
  justify-content: right;
  list-style: none;
  font-weight: 300;
}

.logo {
  letter-spacing: 5px;
  font-weight: 700;
  font-size: 35px;
  text-decoration: none;
  color: black;
}

.navbar {
  background-color: white;
}

a.menu {
  padding-left: 15px;
  padding-right: 15px;
  color: black;
  text-decoration: none;
  background-color: white;
}

.home-area {
  background: #f4f4f4;
  padding-top: 50px;
  padding-bottom: 50px;
}

.row {
  display: flex;
  flex-wrap: wrap;
}

.row .flex-col {
  padding-left: 25px;
  padding-right: 25px;
}

.flex-item-1 {
  padding: 5px;
  width: 40%;
  height: auto;
  margin-top: 10px;
  text-align: center;
}

.flex-item-2 {
  width: 60%;
  text-align: left;
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-img {
  position: relative;
  padding-top: 30px;
  padding-left: 30px;
}

.feature-img .bg-green {
  background: #6ff0a5;
  position: absolute;
  width: 80%;
  height: 80%;
  top: 0;
  left: 0;
  z-index: 1;
}

.feature-img img {
  position: relative;
  z-index: 2;
}

h1.intro {
  font-size: 22px;
  letter-spacing: 4px;
  font-weight: 500;
  text-align: center;
}

p.intro-desc {
  font-size: 16px;
  letter-spacing: 1px;
  font-weight: 400;
}

.link-icon {
  text-align: center;
}

.fa-linkedin {
  margin-left: 10px;
  margin-right: 10px;
  color: #0e76a8;
  size: 32px;
}

.fa-github {
  margin-left: 10px;
  margin-right: 10px;
  color: black;
  size: 32px;
}

.portfolio-area {
  background: white;
  padding-top: 2%;
  padding-bottom: 3%;
}

.portfolio {
  padding-left: 55px;
  padding-right: 55px;
}

.portfolio-row {
  padding-left: 100px;
  padding-right: 100px;
}

h2.portfolio-title {
  font-size: 22px;
  letter-spacing: 4px;
  font-weight: 500;
  text-align: left;
  text-transform: uppercase;
}

.line-green-title {
  padding-bottom: 30px;
}

.line-green-title h2 {
  display: inline-block;
  position: relative;
}

.line-green-title h2:after {
  position: absolute;
  content: "";
  width: 100%;
  height: 4px;
  background: #6ff0a5;
  left: 15%;
  bottom: -8px;
}

.portfolio-col {
  width: 25%;
  height: auto;
  padding-left: 25px;
  padding-right: 25px;
  padding-bottom: 50px;
}

.square-pict {
  position: relative;
  padding-top: 100%;
}

.square-pict img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.flex-portfolio-1 {
  padding: 5px;
  width: 60%;
  height: auto;
  margin-top: 10px;
  text-align: center;
}

.flex-portfolio-2 {
  /* padding-top: 12%; */
  width: 40%;
  /* height: 150px; */
  /* margin-top: 10px; */
  text-align: center;
}

.feature-img-2 {
  position: relative;
  padding-top: 30px;
  width: 80%;
  height: auto;
  margin: 0 auto;
}

.feature-img-2 img {
  position: relative;
  z-index: 20;
}

/* .bg-green-2{
    padding-bottom: 30px;
} */

.bg-green-2 .feature-img-2 {
  display: inline-block;
  position: relative;
}

.bg-green-2 .feature-img-2:after {
  position: absolute;
  content: "";
  width: 110%;
  height: 8px;
  background: #6ff0a5;
  left: 0;
  top: 22px;
}

.web-1-desc h2 {
  font-size: 22px;
  letter-spacing: 4px;
  font-weight: 500;
  text-align: center;
  padding-bottom: 20px;
}

.web-1-desc p {
  font-size: 16px;
  letter-spacing: 1px;
  font-weight: 400;
}

.portfolio-wraper {
  position: relative;
  padding-bottom: 100px;
}

.portfolio-wraper section {
  position: relative;
  z-index: 9;
}

.bg-abstract {
  position: absolute;
  bottom: 0;
  z-index: 1;
  left: 0;
  width: 70%;
}

.bg-abstract img {
  width: 100%;
  height: auto;
}

.content-break {
  padding-top: 4%;
  padding-bottom: 4%;
}

.row-portfolio {
  align-items: center;
}

.icons {
  align-items: center;
  text-align: center;
}

.icons img {
  max-width: 28px;
  height: auto;
  display: inline-block;
  margin-left: 2px;
  margin-right: 2px;
}

.icons .html-icon {
  max-width: 35px;
}

.icons .css-icon {
  max-width: 25px;
}

.polcadot-bg {
  position: absolute;
  bottom: 0;
  z-index: 1;
  top: -15px;
  right: -52px;
  width: 80%;
}

.polcadot-bg img {
  width: 100%;
  height: auto;
}

.activity-row {
  padding-left: 100px;
  padding-right: 100px;
}

.activities-col {
  padding: 5px;
  width: 20%;
  height: auto;
  margin-top: 10px;
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 30px;
}

.activities-pict {
  position: relative;
  padding-top: 100%;
  cursor: default;
}

.activities-pict img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activities-pict .overlay-effect {
  position: absolute;
  overflow: hidden;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.activities-pict:hover .overlay-effect {
  opacity: 1;
}

.overlay-effect {
  z-index: 10;
  display: flex;
  text-align: center;
  align-items: center;
  justify-content: center;
}

.overlay-effect h3 {
  color: white;
  font-weight: 400;
}

.activity-title h2 {
  font-size: 22px;
  letter-spacing: 4px;
  font-weight: 500;
  text-align: center;
  padding-bottom: 20px;
  text-transform: uppercase;
}

.activity {
  background: #f4f4f4;
  padding-top: 6%;
  padding-bottom: 5%;
}

.remodel-pict {
  width: 100%;
}

.remodal-close {
  right: 0;
  left: auto;
  width: 35px;
  height: 35px;
  padding: 0;
  border: none;
  line-height: 35px;
}

.remodal-close:before {
  font-family: Arial, "Helvetica CY", "Nimbus Sans L", sans-serif !important;
  font-size: 25px;
  line-height: 35px;
  position: relative;
  top: auto;
  left: auto;
  display: block;
  width: auto;
  content: "\00d7";
  text-align: center;
}

.remodal {
  max-width: 1000px;
  padding: 0;
  margin-bottom: 0;
}

.remodel-desc {
  padding-top: 60px;
  padding-left: 15px;
  padding-right: 15px;
}

.remodel-desc h2 {
  font-size: 20px;
  letter-spacing: 4px;
  font-weight: 500;
  text-align: left;
  padding-bottom: 20px;
}

.remodel-desc p {
  font-size: 14px;
  letter-spacing: 1px;
  font-weight: 400;
  text-align: left;
}

.remodal-col-1 {
  width: 65%;
}

.remodal-col-1 img {
  width: 100%;
  display: block;
}

.remodal-col-2 {
  width: 35%;
}

@media (min-width: 768px) {
  .row-portfolio.image-on-right .flex-portfolio-1 {
    order: 2;
  }

  .row-portfolio.image-on-right .flex-portfolio-1 {
    order: 1;
  }
}

.footer-title h2 {
  letter-spacing: 5px;
  font-weight: 700;
  font-size: 35px;
  text-align: center;
}

.footer-botton-wrap {
  text-align: center;
  /* padding-bottom: 4%; */
  margin-bottom: 4%;
}

.footer-botton-wrap button {
  border: none;
  background: white;
  /* padding: 30px 45px; */
  padding: 0;
  z-index: 100;
  position: relative;
  text-align: center;
  box-shadow: 10px 10px 25px #e5e5e5;
}

.bg-green-3 {
  padding-bottom: 30px;
  text-align: center;
  padding-top: 30px;
}

.bg-green-3 .footer-botton-wrap {
  display: inline-block;
  position: relative;
}

.bg-green-3 .footer-botton-wrap:after {
  position: absolute;
  content: "";
  /* padding: 40px 100px; */
  background: #6ff0a5;
  left: -20px;
  top: -20px;
  width: 100%;
  height: 100%;
}

.footer-botton-wrap a {
  display: block;
  padding: 30px 35px;
  font-size: 18px;
  letter-spacing: 4px;
  font-weight: 500;
  color: black;
  z-index: 100;
  position: relative;
  background: white;
}

.footer-credit {
  background: #f4f4f4;
  padding-top: 6px;
  padding-bottom: 6px;
}

.credit-title h4 {
  font-size: 12px;
  text-align: center;
  font-weight: 400;
}

.menu-mb {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
}
.menu-mb.open {
  opacity: 1;
  visibility: visible;
}

.navbar-mb {
  text-align: center;
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.nav-mb {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.nav-mb a {
  padding-top: 15px;
  padding-bottom: 15px;
  color: white;
  text-decoration: none;
  display: block;
  font-size: 22px;
  letter-spacing: 4px;
  font-weight: 500;
  position: relative;
  text-align: center;
}

.web-1-desc a {
  color: black;
}

a.web-1-desc a:hover {
  color: #6ff0a5;
}

.close {
  position: absolute;
  right: 32px;
  top: 32px;
  width: 32px;
  height: 32px;
  opacity: 1;
}

.close:hover {
  opacity: 1;
}
.close:before,
.close:after {
  position: absolute;
  left: 15px;
  content: " ";
  height: 33px;
  width: 2px;
  background-color: white;
}

.close:before {
  transform: rotate(45deg);
}

.close:after {
  transform: rotate(-45deg);
}
@media (min-width: 768px) {
  a.button-burger {
    display: none;
  }
}

@media (max-width: 767px) {
  body {
    padding-top: 50px;
  }
  ul.nav {
    display: none;
  }

  a.button-burger {
    font-size: 30px;
    color: black;
  }

  .logo {
    letter-spacing: 5px;
    font-weight: 700;
    font-size: 25px;
    text-decoration: none;
    color: black;
  }

  .flex-item-1 {
    padding: 5px;
    width: 100%;
    height: auto;
    margin-top: 10px;
    text-align: center;
    justify-content: center;
    display: flex;
  }

  .flex-item-2 {
    width: 100%;
  }

  .feature-img {
    position: relative;
    padding-top: 30px;
    padding-left: 30px;
    width: 80%;
    /* align-items:center ;
    display: flex;
    justify-content: center; */
  }

  h1.intro {
    font-size: 15px;
    letter-spacing: 4px;
    font-weight: 500;
    text-align: center;
    padding-top: 5%;
  }

  article {
    text-align: center;
  }

  p.intro-desc {
    font-size: 12px;
    letter-spacing: 1px;
    font-weight: 400;
  }

  .link-icon {
    text-align: center;
    padding-top: 3%;
  }

  .portfolio {
    padding-left: 30px;
    padding-right: 30px;
  }

  .portfolio-row {
    padding-left: 0;
    padding-right: 0;
    margin-left: -10px;
    margin-right: -10px;
  }

  .portfolio-col {
    width: 50%;
    height: auto;
    padding-left: 10px;
    padding-right: 10px;
    padding-bottom: 20px;
  }

  .flex-portfolio-1 {
    width: 100%;
    height: auto;
    text-align: center;
  }

  .flex-portfolio-2 {
    width: 100%;
    height: auto;
  }

  .web-1-desc h2 {
    font-size: 18px;
    letter-spacing: 4px;
    font-weight: 500;
    text-align: center;
    padding-bottom: 0;
  }

  .web-1-desc p {
    font-size: 12px;
    letter-spacing: 1px;
    font-weight: 400;
  }

  .polcadot-bg {
    position: absolute;
    bottom: 0;
    z-index: 1;
    top: 5px;
    right: -25px;
    width: 80%;
  }

  .row .flex-col {
    padding-left: 0;
    padding-right: 0;
  }

  .activity-row {
    padding-left: 0;
    padding-right: 0;
  }

  .activity-title h2 {
    font-size: 18px;
    letter-spacing: 4px;
    font-weight: 500;
    text-align: center;
    padding-bottom: 0;
  }

  .activities-col {
    padding: 5px;
    width: 50%;
    height: auto;
    /* margin-top: 10px; */
    /* padding-left: 20px; */
    /* padding-right: 20px; */
    /* padding-bottom: 30px; */
  }

  .portfolio-wraper {
    position: relative;
    padding-bottom: 50px;
  }

  .home-area {
    background: #f4f4f4;
    padding-top: 50px;
    padding-bottom: 30px;
  }
  .activity {
    background: #f4f4f4;
    padding-top: 6%;
    padding-bottom: 30px;
  }

  .bg-abstract img {
    width: auto;
    height: 100%;
  }

  .footer-title h2 {
    letter-spacing: 5px;
    font-weight: 700;
    font-size: 16px;
    text-align: center;
  }

  .footer-botton-wrap button {
    border: none;
    background: white;
    padding: 0;
    text-align: center;
    box-shadow: 10px 10px 25px #e5e5e5;
  }

  .bg-green-3 .footer-botton-wrap:after {
    position: absolute;
    content: "";
    /* padding: 25px 70px; */
    background: #6ff0a5;
    left: -10px;
    top: -10px;
  }

  .footer-botton-wrap a {
    display: block;
    padding: 20px 25px;
    font-size: 14px;
    letter-spacing: 4px;
    font-weight: 500;
    color: black;
    z-index: 100;
    position: relative;
    background: white;
  }

  .remodel-desc h2 {
    font-size: 18px;
    letter-spacing: 4px;
    font-weight: 500;
    text-align: left;
    padding-bottom: 0;
  }

  .remodel-desc {
    padding-top: 0;
    padding-left: 15px;
    padding-right: 15px;
  }
  .remodal-col-1 {
    width: 100%;
  }
  .remodal-col-2 {
    width: 100%;
  }
}