:root {
    --primary-color: #004080;
    --secondary-color: #003366;
    --accent-color: #007bff;
    --text-color: #333;
    --background-light: #f8f9fa;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  /* Layout Fix for Sticky Footer */
  html, body {
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  
  body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
  }
  
  /* Ensure main expands */
  main.main {
    flex: 1;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
  }
  
  /* Header */
  .header {
    background: var(--background-light);
    border-bottom: 1px solid #dee2e6;
  }
  
  .header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    flex-wrap: wrap;
  }
  
  .logos {
    display: flex;
    gap: 1.5rem;
    align-items: center;
  }
  
  .logos img {
    height: 50px;
    width: auto;
  }
  
  .logos img.nsf-logo {
    height: 70px;
    width: auto;
  }
  
  /* Wrapper for Home + Nav */
  .nav-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .nav {
    padding: 0;
  }
  
  .nav-list {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
  }
  
  .nav-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    transition: background-color 0.2s;
  }
  
  .nav-link:hover,
  .nav-link:focus {
    background-color: var(--background-light);
    text-decoration: underline;
  }
  
  /* Home link styling */
  .home-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
  }
  
  .home-link:hover {
    text-decoration: underline;
  }
  
  /* Hero Section */
  .hero {
    text-align: center;
    margin-bottom: 3rem;
  }
  
  .nsf-label {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
  }
  
  .project-title {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary-color);
  }
  
  .hero-subtext {
    font-size: 1.1rem;
    color: #555;
    max-width: 800px;
    margin: 0 auto;
  }
  
  /* Updates Box */
  .updates {
    background-color: var(--background-light);
    padding: 1.5rem 2rem;
    border-left: 4px solid var(--accent-color);
    margin-bottom: 3rem;
    border-radius: 6px;
  }
  
  .updates-list {
    list-style: none;
    padding-left: 0;
  }
  
  .updates-list li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
  }

  .updates-navigation {
    margin: 0 0 2.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid #bdd3ee;
    border-left: 6px solid #0a66cc;
    border-radius: 8px;
    background: linear-gradient(90deg, #f4f8ff 0%, #ffffff 100%);
    box-shadow: 0 6px 18px rgba(0, 64, 128, 0.08);
  }

  .updates-navigation p {
    margin: 0;
    color: #1e3a5c;
    font-size: 0.97rem;
    line-height: 1.7;
  }

  .updates-navigation p::before {
    content: "Learn more: ";
    color: var(--primary-color);
    font-weight: 700;
  }

  .updates-navigation a {
    color: #0056b3;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
  }

  .updates-navigation a:hover {
    color: #003d80;
  }
  
  /* Project Overview Section */
  .project-overview {
    margin-top: 2rem;
  }
  
  .project-overview p {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.7;
    color: #444;
    text-align: justify;
  }
  
  /* Simple Links (if used) */
  .simple-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
  }
  
  .simple-links div {
    padding: 0.5rem 0;
  }
  
  .simple-links h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
  }
  
  .simple-links a {
    text-decoration: none;
    color: var(--primary-color);
  }
  
  .simple-links a:hover {
    text-decoration: underline;
  }
  
  /* Headings */
  h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    font-size: 1.5rem;
  }

  .publications {
    padding: 2rem 0;
  }
  
  .pub-entry {
    margin-bottom: 2.5rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
  }
  
  .pub-title {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
  }
  
  .pub-authors {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 0.25rem;
  }
  
  .pub-venue {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    color: #333;
  }
  
  .pub-links a {
    margin-right: 1rem;
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.95rem;
  }
  
  .pub-links a:hover {
    text-decoration: underline;
  }
  
  /* Team + demo page layout */
  .section-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
  }

  .team-section {
    margin: 2rem 0;
  }

  .subsection-title {
    color: var(--secondary-color);
    font-size: 1.15rem;
    margin: 0.5rem 0 0.9rem;
  }

  .team-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .member-chip {
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 0.65rem 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
  }

  .member-name {
    font-weight: 600;
    color: var(--primary-color);
  }

  .member-role {
    margin: 0;
    color: #4f5d75;
    font-size: 0.9rem;
    text-align: right;
  }

  .team-updates {
    margin-top: 2rem;
  }

  .demo-hero {
    margin: 1rem 0 2rem;
    padding: 1.5rem;
    border: 1px solid #d6e0f2;
    border-radius: 14px;
    background:
      radial-gradient(circle at 8% 10%, rgba(0, 123, 255, 0.16), transparent 34%),
      radial-gradient(circle at 92% 88%, rgba(0, 64, 128, 0.11), transparent 28%),
      #ffffff;
  }

  .demo-kicker {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 0.45rem;
  }

  .demo-title {
    color: var(--primary-color);
    font-size: 2rem;
    line-height: 1.15;
    margin-bottom: 0.8rem;
  }

  .demo-intro {
    color: #1f2f46;
    max-width: 900px;
    margin-bottom: 1.2rem;
  }

  .demo-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .demo-stat {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #dce6f3;
    border-radius: 10px;
    padding: 0.8rem;
  }

  .demo-stat-value {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.2;
  }

  .demo-stat-label {
    color: #44556f;
    font-size: 0.83rem;
    margin-top: 0.2rem;
  }

  .demo-catalog {
    margin-bottom: 1.6rem;
    display: grid;
    gap: 1rem;
  }

  .demo-feature-card {
    background: #ffffff;
    border: 1px solid #dce6f3;
    border-radius: 12px;
    padding: 1.3rem;
    box-shadow: 0 8px 24px rgba(0, 64, 128, 0.07);
    position: relative;
    overflow: hidden;
  }

  .demo-feature-card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #004080, #007bff, #3ab1ff);
  }

  .demo-card-kicker {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: #4a6385;
    font-weight: 700;
    margin-bottom: 0.45rem;
  }

  .demo-card-title {
    border: none;
    margin: 0 0 0.65rem;
    padding: 0;
    color: var(--primary-color);
    font-size: 1.42rem;
    line-height: 1.25;
  }

  .demo-card-summary {
    color: #2f425f;
    margin-bottom: 0.95rem;
  }

  .demo-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1rem;
  }

  .demo-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border: 1px solid #b5c8e6;
    border-radius: 999px;
    font-size: 0.82rem;
    color: #214970;
    background: #edf3fc;
  }

  .demo-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .demo-action-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.95rem;
    border-radius: 7px;
    font-weight: 600;
    background: var(--primary-color);
    color: #ffffff;
    border: 1px solid var(--primary-color);
  }

  .demo-action-primary:hover {
    background: #003366;
    color: #ffffff;
    text-decoration: none;
  }

  .demo-action-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.95rem;
    border-radius: 7px;
    font-weight: 600;
    border: 1px solid #b8cae7;
    color: #214970;
    background: #f6f9ff;
  }

  .demo-action-secondary:hover {
    background: #eaf2ff;
    text-decoration: none;
  }

  .demo-insights {
    margin: 0 0 1.6rem;
  }

  .demo-insight-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
  }

  .demo-insight-card {
    background: #ffffff;
    border: 1px solid #dbe6f5;
    border-radius: 10px;
    padding: 1rem;
  }

  .demo-insight-card h3 {
    color: var(--primary-color);
    margin: 0 0 0.35rem;
    font-size: 1.02rem;
  }

  .demo-insight-card p {
    margin: 0;
    color: #2f425f;
    font-size: 0.92rem;
    line-height: 1.55;
  }

  .demo-outline {
    margin-bottom: 1rem;
    padding: 1rem 1.1rem;
    border: 1px solid #dbe6f5;
    border-radius: 10px;
    background: #ffffff;
  }

  .demo-outline-list {
    margin: 0;
    padding-left: 1.1rem;
    color: #29405d;
  }

  .demo-outline-list li {
    margin-bottom: 0.35rem;
  }

  /* Resources page */
  .resource-hero {
    margin-bottom: 2.2rem;
  }

  .resource-section {
    margin: 0 0 2.4rem;
  }

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

  .resource-grid-single {
    grid-template-columns: minmax(0, 1fr);
  }

  .resource-card {
    background: #ffffff;
    border: 1px solid #dce6f3;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 8px 22px rgba(0, 64, 128, 0.06);
    display: flex;
    flex-direction: column;
    min-height: 100%;
  }

  .resource-card-featured {
    border-left: 5px solid var(--accent-color);
  }

  .resource-card .resource-type {
    color: #4a6385;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 0.45rem;
    white-space: normal;
    word-break: break-word;
  }

  .resource-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    line-height: 1.25;
    margin-bottom: 0.65rem;
  }

  .resource-card p:not(.resource-type) {
    color: #2f425f;
    margin-bottom: 0.95rem;
  }

  .resource-link {
    align-self: flex-start;
    color: var(--primary-color);
    font-weight: 700;
    margin-top: auto;
    padding-top: 0.2rem;
  }

  .resource-link:hover {
    color: #003366;
  }

  .resource-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: auto;
  }

  /* Footer */
  .footer {
    background-color: var(--background-light);
    padding: 1rem 0;
    border-top: 1px solid #dee2e6;
  }
  
  .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-color);
    font-size: 0.9rem;
  }
  
  /* Global Links */
  a {
    color: var(--accent-color);
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .header-container {
      flex-direction: column;
      gap: 1rem;
      text-align: center;
    }
  
    .logos {
      flex-direction: column;
    }
  
    .nav-wrapper {
      flex-direction: column;
    }
  
    .nav-list {
      justify-content: center;
      flex-wrap: wrap;
    }
  
    .project-title {
      font-size: 1.5rem;
    }

    .member-chip {
      flex-direction: column;
      align-items: flex-start;
      gap: 0.25rem;
    }

    .member-role {
      text-align: left;
    }

    .demo-title {
      font-size: 1.55rem;
    }

    .demo-hero-stats {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .demo-insight-grid {
      grid-template-columns: 1fr;
    }

    .demo-action-row {
      flex-direction: column;
      align-items: stretch;
    }

    .demo-action-primary,
    .demo-action-secondary {
      width: 100%;
    }

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

    .resource-actions {
      flex-direction: column;
      align-items: stretch;
    }
  }
  
/* Figure + Caption Styling */
.figure {
  margin: 2rem auto;
  text-align: center;
}

.figure img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.caption {
  font-size: 0.95rem;
  color: #555;
  margin-top: 0.5rem;
  text-align: center;
}


/* ------------------------------------------------------------------
   GAICo-D I-Corps additions (base styles above copied from planfm/)
   ------------------------------------------------------------------ */

/* Current page in the nav */
.nav-link[aria-current="page"],
.home-link[aria-current="page"] {
  background-color: #e6eef8;
}

/* Upcoming item at the top of the updates list */
.updates-list li.upcoming {
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.9rem;
  background: #ffffff;
  border: 1px dashed #9fbbe0;
  border-radius: 6px;
}

.update-tag {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0.05rem 0.5rem;
  border-radius: 999px;
  background: var(--primary-color);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Video */
.video-section {
  margin-bottom: 3rem;
}

.video-frame {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: #0b2440;
  box-shadow: 0 8px 24px rgba(0, 64, 128, 0.12);
}

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

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.5rem;
  text-align: center;
  color: #dbe7f6;
}

.video-placeholder i {
  font-size: 3rem;
  color: #7fb2ec;
}

.video-placeholder p {
  max-width: 520px;
}

/* Current business thesis */
.thesis-box {
  margin: 1.5rem 0 2rem;
  padding: 1.1rem 1.4rem;
  border: 1px solid #dce6f3;
  border-left: 5px solid var(--primary-color);
  border-radius: 8px;
  background: #ffffff;
}

.thesis-box .thesis-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4a6385;
  margin-bottom: 0.35rem;
}

.thesis-box p {
  color: #1f2f46;
}

.funding-list {
  padding-left: 1.25rem;
}

.funding-list li {
  margin-bottom: 0.6rem;
}

/* People page */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.person-card {
  background: #ffffff;
  border: 1px solid #d9e2ec;
  border-radius: 10px;
  padding: 1rem 1.15rem;
}

.person-card .member-name {
  font-size: 1.05rem;
}

.person-role {
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 0.92rem;
}

.person-affiliation {
  color: #4f5d75;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.person-bio {
  color: #2f425f;
  font-size: 0.92rem;
  line-height: 1.55;
}

.acknowledgments p {
  color: #444;
  margin-bottom: 0.75rem;
}

@media (max-width: 768px) {
  .people-grid {
    grid-template-columns: 1fr;
  }
}

/* People page photos */
.person-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.person-photo {
  flex: 0 0 88px;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2px solid #dce6f3;
  background: #edf3fc;
}

.person-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.03em;
}

.person-text {
  min-width: 0;
}