:root {
  --project-green: #315c45;
  --project-green-dark: #183527;
  --project-green-light: #edf4ee;
  --project-text: #1e293b;
  --project-muted: #64748b;
  --project-border: #dfe8e1;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--project-text);
  font-family: "Inter", sans-serif;
}

.project-nav {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--project-border);
}

.project-nav a {
  color: var(--project-green);
  font-weight: 700;
}

.project-header {
  padding: 3.25rem 1.5rem 2.5rem;
  background: linear-gradient(135deg, #f7faf7, var(--project-green-light));
}

.project-header .title {
  max-width: 900px;
  margin-right: auto;
  margin-left: auto;
  color: var(--project-green-dark);
  font-weight: 800;
  letter-spacing: -0.04em;
  text-align: center;
}

.project-authors {
  margin: 1.5rem 0 0.5rem;
  color: var(--project-muted);
  font-size: 1.1rem;
  text-align: center;
}

.project-authors a {
  color: var(--project-green);
  font-weight: 650;
}

.project-venue {
  color: var(--project-muted);
  text-align: center;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.project-links .button {
  color: white;
  background: var(--project-green-dark);
  border: 0;
}

.project-links .button:hover {
  color: white;
  background: var(--project-green);
}

.project-teaser {
  padding: 3rem 1.5rem;
}

.project-teaser img {
  width: 100%;
  max-height: 540px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(24, 53, 39, 0.14);
}

.project-teaser .subtitle {
  max-width: 800px;
  margin: 1.5rem auto 0;
  color: var(--project-muted);
  line-height: 1.65;
}

.structured-figure {
  margin: 2rem 0 0;
  text-align: center;
}

.structured-figure + .structured-figure {
  margin-top: 3rem;
}

.structured-figure img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(24, 53, 39, 0.14);
}

.structured-figure figcaption,
.video-description {
  max-width: 1020px;
  margin: 1.25rem auto 0;
  color: var(--project-muted);
  line-height: 1.7;
  text-align: justify;
}

.media-placeholder {
  display: grid;
  min-height: 320px;
  margin-top: 2rem;
  place-items: center;
  padding: 2rem;
  color: var(--project-muted);
  font-weight: 600;
  background: white;
  border: 2px dashed #b8cbbb;
  border-radius: 16px;
  text-align: center;
}

.section-description-placeholder {
  margin-top: 1.25rem;
  color: var(--project-muted);
  text-align: justify;
}

.project-section .content {
  text-align: justify;
}

.image-carousel {
  position: relative;
}

.image-carousel .structured-figure {
  margin-top: 2rem;
}

.carousel-slide[hidden] {
  display: none;
}

.carousel-arrow {
  position: absolute;
  top: min(280px, 42%);
  z-index: 2;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: white;
  background: rgba(24, 53, 39, 0.86);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(24, 53, 39, 0.22);
  cursor: pointer;
  transform: translateY(-50%);
}

.carousel-arrow:hover {
  background: var(--project-green);
}

.carousel-arrow-left {
  left: 1rem;
}

.carousel-arrow-right {
  right: 1rem;
}

.project-section {
  padding: 5rem 1.5rem;
}

.project-section > .container.is-max-desktop {
  max-width: 1120px;
}

.project-section.is-tinted {
  background: #f6f9f6;
}

.project-section .title {
  color: var(--project-green-dark);
}

.project-section .content {
  color: var(--project-muted);
  font-size: 1.04rem;
  line-height: 1.8;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.result-grid figure {
  margin: 0;
  padding: 0.75rem;
  background: white;
  border: 1px solid var(--project-border);
  border-radius: 14px;
}

.result-grid img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 10px;
}

.result-grid figcaption {
  padding: 0.8rem 0.25rem 0.25rem;
  color: var(--project-muted);
  text-align: center;
}

.video-frame {
  position: relative;
  height: 0;
  overflow: hidden;
  padding-bottom: 56.25%;
  border-radius: 16px;
  background: #dfe8e1;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.project-video {
  display: block;
  width: 100%;
  max-height: 680px;
  background: #101510;
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(24, 53, 39, 0.14);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.video-placeholder {
  display: grid;
  min-height: 360px;
  place-items: center;
  padding: 2rem;
  color: var(--project-muted);
  font-weight: 600;
  background: var(--project-green-light);
  border: 2px dashed #b8cbbb;
  border-radius: 16px;
  text-align: center;
}

.poster-frame {
  width: 100%;
  height: 600px;
  border: 1px solid var(--project-border);
  border-radius: 14px;
}

.bibtex-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.copy-button {
  color: white;
  background: var(--project-green);
  border: 0;
}

.project-footer {
  padding: 3rem 1.5rem;
  color: #d6e2da;
  background: var(--project-green-dark);
  text-align: center;
}

.project-footer a {
  color: white;
}

@media (max-width: 700px) {
  .project-header {
    padding-top: 2.5rem;
  }

  .result-grid {
    grid-template-columns: 1fr;
  }

  .poster-frame {
    height: 440px;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }
}