:root {

  /* Colours */
  --color-bg: #564E79;
  --color-accent: #F4C8FB;
  --color-font: #fff;
  --color-text-secondary: #B096B4;
  --card: rgba(255,255,255,0.06);
  --stroke: rgba(255,255,255,0.25);
  --stroke-strong: rgba(255,255,255,0.35);
  --muted: rgba(255,255,255,0.72);
  --muted2: rgba(255,255,255,0.58);
}

html {
  scroll-behavior: smooth; /* nice smooth scrolling when clicking sidebar links */
}

#main {
  margin: 0 auto;
  padding: 0 7rem 4rem;
}

/* Banner */
.project-banner-container {
  margin: 0 auto;
  padding-top: 4rem;
}

.banner {
    max-width: 100%;
    padding: 3% 0;

}
.metadata-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    line-height: 1.4;
}
.metadata-table th {
    text-align: left;
    font-weight: 600;
    padding: 8px 12px;
    color: var(--color-accent);
    white-space: nowrap;
}

.metadata-table td {
    padding: 8px 12px;
    color: var(--color-font);
}

.metadata-table tr:not(:last-child) {
    border-bottom: 0.5px solid var(--stroke);
}

.outline-box-full {
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 18px;
    padding: 1.5%;
}

.outline-box{
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 18px;
    padding: 3%;
    display: inline-block;
    width: fit-content; 
    max-width: 75ch;
    margin: 1rem 0;
}

.outline-box .list{
  width: auto;            
}

.box-title {
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* Project Content */
#project-content {
    padding: 5rem 0;
}

.project-sub {
  margin: 1.5rem 0 1rem 0;
  width: 90%;
}
/* Two-column layout */
.project-layout {
  display: flex;
  align-items: flex-start;
  gap: 6rem;
}

/* Sidebar */
.project-sidebar {
  position: sticky;
  top: 5rem; 
  flex: 0 0 240px;
  font-size: 0.95rem;
}

.sidebar-label {
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.project-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.project-sidebar li {
  margin: 0;
}

.project-sidebar a {
  display: block;
  padding: 0.25rem 0;
  text-decoration: none;
  color: var(--color-font);
}

.project-sidebar a:hover {
  color: var(--color-accent);
}

/* Main article column */
.project-body {
  flex: 1;
  width: 75ch;
}

.title-text {
    padding-bottom: 1rem;
}


/* Images */

.project-figure {
  margin: 2rem 0;
}
.project-img {
  width: 90%;
  border-radius: 10px;
}
.project-caption {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--muted2); 
  width: 90%;
}

/* YouTube videos */
.video-wrapper {
    position: relative;
    width: 90%;
    padding-top: 56.25%; 
    margin-bottom: 2rem;
  }

  .video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
  }

/* Modal */

.modal-img {
  width: 90%;
  border-radius: 10px;
  cursor: pointer;
}
.img-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.img-modal-content {
    max-width: 100%;
    max-height: 85vh;
}
.img-modal-close {
    position: absolute;
    top: 24px;
    right: 28px;
    font-size: 32px;
    color: #fff;
    cursor: pointer;
}

/* List */
.list {
  list-style: none;
  margin: 1.3rem 0;
  padding: 0;
}

.list-no-margin {
  list-style: none;
  margin: 1.3rem 0;
  padding: 0;
  margin-bottom: 0;
}

.list-el {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: .6rem;
  line-height: 1.3;
  font-weight: 300;
  font-size: 15px;
}


/* Custom bullet */
.list-el::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em; /* aligns with first line of text */
  width: 7px;
  height: 7px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}
.video {
  margin-top: 2%;
  max-width: 90%;
  border-radius: 10px;

}
/* Queries */
@media (max-width: 900px) {

  #main {
    padding: 0 2rem 4rem;

  }
  .project-layout {
    flex-direction: column;
    gap: 2rem;
  }

  .project-sidebar {
    position: static;
    flex: none;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }

  .project-sidebar ul {
    flex-direction: row;
    gap: 1.5rem;
  }

  .project-sidebar a {
    border-left: none;
    padding-left: 0;
    white-space: nowrap;
  }

  .project-body {
    max-width: 100%;
  }
}
@media (max-width: 600px) {

    .metadata-table th,
    .metadata-table td {
        display: block;
        width: 100%;
        padding: 6px 0;
    }

    .metadata-table tr {
        margin-bottom: 16px;
        border-bottom: none;
    }
    .project-img {
      width: 100%;
}
  
    
}

@media (min-width: 1600px) {
  #main {
    width: 90%;
    max-width: none;
    margin: 0 auto;
  }
}