@import url("https://fonts.googleapis.com/css2?family=Nunito&display=swap");
html {
  overflow-x: hidden;
}

html,
body {
  padding: 0;
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.5px;
  font-weight: 400;
  font-family: "Nunito", sans-serif;
  background: #fbfbfb;
  color: #a9a9a9;
  font-style: normal;
}

html {
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}
.main-header {
  height: 25vh;
  padding: 10px;
  display: flex;
  text-align: center;
  align-items: center;
  justify-content: center;
}
.main-header h1 {
  font-size: 3rem;
  padding: 10px;
  letter-spacing: 5px;
  line-height: 1.2rem;
  color: #a9a9a9;
  text-transform: uppercase;
  font-weight: 400;
  font-style: normal;
  font-family: "Nunito", sans-serif;
}
.main-nav ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
}
.main-nav a {
  color: #333;
  text-decoration: none;
  padding: 2rem;
  font-size: 20px;
}
a:hover {
  color: #cd5c5c;
}

.row {
  display: flex;
  flex-wrap: wrap;
}
.side {
  flex: 50%;
  padding: 35px;
}
.side p {
  font-size: 1.1rem;
  color: #333;
}
.right-img {
  flex: 50%;
  padding: 10px;
}
.demo-row {
  display: flex;
  flex-wrap: wrap;
}
.left-text {
  flex: 40%;
  padding: 60px;
}
.demo-img {
  flex: 60%;
  padding: 20px;
  margin: auto;
}
.grid-card3 {
  display: grid;
  grid-template-columns: repeat(2, 520px);
  justify-content: center;
  align-content: center;
  grid-gap: 30px;
  background-color: #fbfbfb;
  margin-bottom: 2rem;
  position: relative;
}
.grid-card3 img {
  width: 520px;
  height: 350px;
  cursor: pointer;
}
.grid-card4 {
  display: grid;
  grid-template-columns: 300px 300px;
  grid-row: auto;
  justify-content: center;
  align-content: center;
  grid-gap: 160px;
  background-color: #fbfbfb;
  margin-bottom: 2rem;
  position: relative;
}
.grid-card4 img {
  width: 300px;
  cursor: pointer;
}
.grid-card5 {
  display: grid;
  grid-template-columns: repeat(6, 150px);
  grid-row: auto;
  justify-content: center;
  align-content: center;
  grid-column-gap: 10px;
  grid-row-gap: 20px;
  margin-bottom: 2rem;
  position: relative;
}
.grid-card5 img {
  width: 100%;
  height: 250px;
  cursor: pointer;
  object-fit: cover;
  overflow: hidden;
  position: relative;
}
.grid-card5 img:first-child {
  grid-column-start: 1;
  grid-column-end: 4;
}
.grid-card5 img:nth-child(2) {
  grid-column-start: 4;
  grid-column-end: 7;
}

.container {
  position: relative;
  max-width: 50%;
  width: 50%;
}

.image {
  opacity: 1;
  display: block;
  width: 100%;
  height: auto;
  transition: 0.5s ease;
  backface-visibility: hidden;
}

.overlay {
  transition: 0.5s ease;
  opacity: 0;
  position: absolute;
  top: 80%;
  left: 10%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.container:hover .image {
  opacity: 0.3;
}

.container:hover .overlay {
  opacity: 1;
}

.text {
  background-color: lightgray;
  color: white;
  font-size: 16px;
  padding: 16px 32px;
}
.content {
  padding: 60px;
  list-style: none;
}
.content p {
  font-size: 1.2rem;
  color: #333;
  margin: 0 0 1.6rem;
}

a {
  text-decoration: underline;
  text-decoration: none;
  border-bottom: silver solid 0.1rem;
  cursor: pointer;
  color: #333;
}

#lightbox {
  position: fixed;
  z-index: 1000;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: none;
}

#lightbox.active {
  display: flex;
  justify-content: center;
  align-items: center;
}

#lightbox img {
  max-width: 90%;
  max-height: 80%;
  padding: 4px;
  background-color: black;
  border: 5px solid white;
}
@media screen and (max-width: 768px) {
  .main-header {
    height: 18vh;
    padding: 26px;
    display: block;
  }
  .main-header h1 {
    text-align: center;
    align-items: center;
    justify-self: center;
    font-size: 1.6rem;
    padding: 10px;
    letter-spacing: 2px;
    display: block;
  }
  .main-nav a {
    font-size: 1rem;
  }
  .row {
    flex-direction: column;
  }
  .side {
    width: 80%;
    padding: 16px;
  }

  .right-img {
    width: 80%;
    padding: 10px;
  }
  .grid-card3 {
    display: block;
    grid-gap: 18px;
    margin-bottom: 2rem;
  }
  .grid-card3 img {
    width: 100%;
    height: 100%;
  }
  .grid-card4 {
    display: block;
    grid-row-gap: 0.5rem;
    margin-bottom: 2rem;
  }
  .grid-card4 img {
    width: 100%;
    height: 100%;
  }
  .grid-card5 {
    display: block;
    grid-gap: 18px;
    margin-bottom: 2rem;
  }
  .grid-card5 img {
    width: 80%;
    height: 80%;
  }
  p {
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
  }
}

@media screen and (max-width: 420px) {
  .main-header {
    height: 18vh;
    padding: 20px;
    display: block;
  }
  .main-header h1 {
    text-align: center;
    align-items: center;
    justify-self: center;
    font-size: 1.6rem;
    padding: 10px;
    letter-spacing: 2px;
    display: block;
  }
  .main-nav a {
    font-size: 1rem;
    padding: 8px;
  }
  .row {
    flex-direction: column;
  }
  .side {
    width: 100%;
    padding: 10px;
  }
  .side p {
    display: block;
    font-size: 1.2rem;
  }
  .right-img img {
    width: 100%;
    padding: 5px;
  }
  .grid-card3 {
    display: block;
    grid-gap: 10px;
    margin-bottom: 2rem;
  }
  .grid-card3 img {
    width: 100%;
    height: 100%;
  }
  .grid-card4 {
    display: block;
    grid-row-gap: 1rem;
    text-align: center;
  }
  .grid-card4 img {
    width: 100%;
    height: 100%;
  }
  .grid-card5 {
    grid-row-gap: 12px;
    margin-bottom: 1rem;
  }
  .grid-card5 img {
    width: 80%;
  }
  p {
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
  }
  #lightbox {
    position: fixed;
    z-index: 1000;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
  }

  #lightbox img {
    max-width: 80%;
    max-height: 70%;
    padding: 2px;
    background-color: black;
    border: 2px solid white;
  }
}
.iframe-container{
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; 
  height: 0;
}
.iframe-container iframe{
  position: absolute;
  top:0;
  left: 0;
  width: 100%;
  height: 100%;
}