:root{
  --collage-gap:10px;
  scroll-padding-top: 110px;
}
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
}
/* event image */
.banner {
  background-image: url(Resources/home-img.jpg);
  background-color:#575656;
  background-blend-mode: multiply ;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  text-align: center;
  justify-content: center;
  height: calc(100vh - 51px - 60px);
  max-height: calc(820px - 51px - 60px);
  width: 100%;
}


.banner h1 {
  font-family:"Nunito Sans", serif;
  font-weight: bold;
  color: #fff;
  font-size: 60px;
  margin-inline: 10%;
  margin-bottom: 20px;
}

.banner p {
  display: inline-grid;
  margin: 10px 5%;
  gap: 10px;
  color: #f4f4f4;
}

/* Event Report navbar and body */
.report {
  background-color: #f1eded;
}
.report-navbar {
  display: flex;
  text-align: left;
  padding: 10px 70px;
  background: linear-gradient(to right, #5747bf, #b3a0f1);
  color: white;
  position: sticky;
  top: 60px;
  gap: 20px;
  flex-wrap: wrap;
}

.report-navbar a {
  display: inline;
  font-size: 15px;
  font-weight: 400;
  color: #f4f4f4;
  margin: 0%;
  text-decoration: none;
}

.report-body {
  display: flex;
  padding: 20px;
  gap: 20px;
}
.report-container {
  display: flex;
  flex-direction: column;
  width: 70%;
  padding: 30px 50px;
  background-color: #fff;
  box-shadow: 0px 0px 20px 4px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  gap: 30px;
}


.collage-container{
  width: 60%;
  justify-self: center;
  aspect-ratio: 16 / 9;
}

.collage-inner-container {
  display: grid;
  grid-template-columns: calc(100%*0.6 - var(--collage-gap)) calc(100%*0.4 - var(--collage-gap));
  grid-template-rows: calc(100%*0.5 - var(--collage-gap)) calc(100%*0.5 - var(--collage-gap));
  height: calc(100% + var(--collage-gap));
  width: calc(100% + var(--collage-gap));
  gap: var(--collage-gap);
}

.collage-container img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  object-fit: cover;
  background-color: #333;
}
.collage-container .image1 {
  grid-row: span 2;
}

.gallery-scroll-container {
  overflow: auto;
  white-space: nowrap;
  padding: 5px;
  padding-left: 0px;
}
.gallery-scroll-container img {
  padding: 5px;
  height: 200px;
}

.gallery-scroll-container::-webkit-scrollbar {
  height: 12px;
}

.gallery-scroll-container::-webkit-scrollbar-thumb {
  background-color: #888;
  border-radius: 10px;
  transition: background-color 0.3s ease;
}

.gallery-scroll-container::-webkit-scrollbar-thumb:hover {
  background-color: #555;
}

.gallery-scroll-container::-webkit-scrollbar-track {
  background-color: #e0e0e0;
  border-radius: 10px;
}

.report-container h1 {
  font-family: "Nunito Sans", serif;
  font-weight: bold;
  font-size: 3.3rem;
}

.report-container h2 {
  font-family: "Nunito Sans", serif;
  font-weight: bold;
  font-size: 2.5rem;
}

.report-container p {
  display: inline;
  font-family: "Nunito Sans", serif;
  font-size: 1.5rem;
  line-height: 1.6;
  color: #555;
}

.key-highlights {
  background-color: #f4f4f4;
  padding: 20px;
  border-radius: 8px;
}

.key-highlights ul {
  list-style: none;
  padding: 0;
}

.key-highlights li {
  font-size: 1.5rem;
}

.side-column {
  width: 30%;
  background-color: #fff;
  padding: 30px 30px;
  box-shadow: 0px 0px 20px 4px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
}

/* Responsive Design */
@media (max-width: 768px) {

  .banner h1 {
    font-size: 40px;
    margin-bottom: 20px;
  }

  .banner p {
    font-size: 1.4rem;
    margin: 10px 5%;
    gap: 10px;
    color: #f4f4f4;
  }
  
  .report-navbar {
    padding: 10px 40px;
    gap: 20px;
  }
  .report-navbar a {
    font-size: 12px;
  }

  .report-body {
    padding: 10px;
    gap: 10px;
  }

  .side-column {
    display: none;
  }

  .report-container {
    width: 100%;
    padding: 20px 33px;
    border-radius: 6px;
    gap: 20px;
  }
  
  .collage-container{
    width: 80%;
    justify-self: center;
    aspect-ratio: 16 / 9;
  }
  
  .collage-inner-container {
    --collage-gap: 5px;
  }
  
  .collage-container img {
    border-radius: 6px;
  }
  .collage-container .image1 {
    grid-row: span 2;
  }

  .report-container h1 {
    font-size: 2.97rem;
  }

  .report-container h2 {
    font-size: 2.25rem;
  }

  .report-container p {
    font-size: 1.35rem;
  }
}

@media (max-width: 425px) {
  .report-navbar {
    padding: 10px 20px;
    gap: 10px;
  }

  .report-navbar a {
    font-size: 8px;

  }
  .side-column{
    display: none;
  }

  .report-body {
    padding: 5px;
  }
  .report-container {
    width: 100%;
    padding: 20px 15px;
    border-radius: 4px;
  }

  .collage-container{
    width: 85%;
  }
  
  .collage-inner-container {
    --collage-gap: 3px;
  }
  
  .collage-container img {
    border-radius: 4px;
  }
  .collage-container .image1 {
    grid-row: span 2;
  }

}