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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: #fff;
  /* padding: 20px; */
  display: none;
  /* Initially hidden */
  z-index: 1000;
  text-align: center;
  transition: all 0.3s ease;
}

header .logo img {
  width: 120px;
  height: auto;
  transition: transform 0.3s ease;
}

.intro {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 60px 50px;
  background-color: #f4f4f4;
}

.intro .intro-content {
  width: 50%;
}

.intro h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
}

.intro p {
  font-size: 1.2em;
  margin-bottom: 15px;
}

.intro ul {
  font-size: 1.2em;
  list-style-type: none;
  padding: 0;
}

.intro ul li {
  margin-bottom: 5px;
}

.intro-image {
  width: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.intro-image img {
  width: 45%;
  height: auto;
}

.projects {
  padding: 40px 20px;
  background-color: #fff;
}

.projects h2 {
  text-align: left;
}

.projects p {
  text-align: left;
}

.tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  margin-top: 50px;
}

.tablink {
  width: 100%;
  background-color: #ffff0000;
  border: solid 1px #ffbd59;
  border-radius: 0px;
  color: #333;
  padding: 30px 0px;
  margin: 0 15px;
  font-size: 1.2em;
  text-align: center;
  font-weight: 600;

  cursor: pointer;
  transition: background-color 0.3s ease;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.tablink::before {
  content: "";
  top: 0;
  bottom: 0;
  left: -100%;
  right: 0;
  position: absolute;
  background-color: #f1c40f;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.tablink.active {
  background-color: #f1c40f;
  color: #fff;
}

.tablink:hover::before {
  left: 0;
  transition: 0.5s ease;
}

.tabcontent {
  display: none;
  text-align: center;
  padding: 20px;
}

.tabcontent img {
  max-width: 100%;
  height: auto;
  margin-top: 50px;
  margin-bottom: 40px;
}

footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 20px;
}

footer p {
  margin: 10px 0;
}

footer p a {
  color: white;
  text-decoration: none;
}

footer p a:hover {
  text-decoration: underline;
}

#header.sticky {
  display: block;
}

#header.sticky .logo img {
  transform: scale(0.8);
}

.button {
  display: inline-block;
  padding: 12px 28px;
  background-color: #ef8215;
  margin-top: 30px;
  text-decoration: none;
  color: #fff;
  border-radius: 16px;
}

.button:hover {
  background-color: #ee9919;
  color: #1e1d1d;
}

.video_image {
  width: 40%;
}

/* Mobile view  */
@media screen and (max-width: 600px) {
  .intro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 60px 20px;
    background-color: #f4f4f4;
    flex-direction: column-reverse;
  }

  .intro .intro-content {
    padding-top: 30px;
    width: 100%;
  }

  .intro h1 {
    font-size: 2rem;
    line-height: 3rem;
    margin-bottom: 10px;
  }

  .tabs {
    display: flex;
    flex-direction: column;
  }

  .tablink {
    margin: 0px;
  }


  header#header {
    padding: 0px 15px;
  }

  .video_image {
    width: 100%;
  }

}