/* =========================================================
   Biodiversity Synthesis Lab — minimal academic styling
   Inspired by EvolEcolGroup (Cambridge) and Masiello Group:
   - top-bar minimal navigation
   - group banner instead of personal portrait
   - clean welcome block
   - people as compact cards with link to individual page
   ========================================================= */

:root {
  --bsl-accent: #1c6e8c;          /* deep teal — water/biodiversity */
  --bsl-accent-dark: #144f64;
  --bsl-muted: #6c757d;
  --bsl-bg-page: #faf7f0;         /* warm off-white / paper cream */
  --bsl-bg-soft: #f3eee3;         /* slightly deeper cream for callouts */
  --bsl-bg-card: #ffffff;         /* white kept for cards to stand out */
  --bsl-border: #e3dccd;          /* warm border that pairs with cream */
}

html, body {
  background-color: var(--bsl-bg-page);
}

/* --- Navbar: thin, light, academic — slightly lighter than page bg --- */
.navbar {
  border-bottom: 1px solid var(--bsl-border);
  padding-top: .4rem;
  padding-bottom: .4rem;
  font-size: .95rem;
  background-color: #fdfaf3 !important;   /* a hair lighter than page */
}
.navbar-brand {
  font-weight: 600;
  letter-spacing: .2px;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.navbar-brand img {
  height: 34px;
  width: auto;
  display: block;
}
.navbar .nav-link { font-weight: 500; color: #2d3748; }
.navbar .nav-link:hover,
.navbar .nav-link:focus { color: var(--bsl-accent); }
.navbar .navbar-toggler { border: none; }

/* --- Links --- */
a { color: var(--bsl-accent); text-decoration: none; }
a:hover { color: var(--bsl-accent-dark); text-decoration: underline; }

/* --- Body --- */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
               Helvetica, Arial, "Liberation Sans", sans-serif;
  line-height: 1.65;
  color: #2d3748;
}

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -.01em; }
h2 {
  margin-top: 2.2rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--bsl-border);
}

/* --- Home: lab logo hero (horizontal logo as the primary brand block) --- */
.lab-hero-logo {
  margin: 1rem auto 1.8rem;
  max-width: 760px;
  text-align: center;
  padding: 0 1rem;
}
.hero-logo {
  width: 100%;
  max-width: 620px;
  height: auto;
  display: inline-block;
}
@media (max-width: 560px) {
  .hero-logo { max-width: 92%; }
}

/* --- Home: welcome block (centered, readable width) --- */
.lab-welcome {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  padding: 0 1rem;
  text-align: left;
}
.lab-welcome h1 {
  font-size: 2rem;
  font-weight: 600;
  border: none;
  margin-bottom: 1rem;
}
.lab-welcome .btn {
  margin-right: .4rem;
  margin-top: .8rem;
  border-radius: 4px;
  font-weight: 500;
}
.lab-welcome .btn-outline-primary {
  color: var(--bsl-accent);
  border-color: var(--bsl-accent);
}
.lab-welcome .btn-outline-primary:hover {
  background: var(--bsl-accent);
  color: #fff;
  border-color: var(--bsl-accent);
  text-decoration: none;
}

/* --- People: compact cards (EvolEcolGroup-style) --- */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
}
.person-card {
  border: 1px solid var(--bsl-border);
  border-radius: 8px;
  padding: 1.1rem;
  background: #fff;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.person-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,.05);
  border-color: var(--bsl-accent);
}
.person-card img {
  width: 96px; height: 96px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto .8rem;
  background: var(--bsl-bg-soft);
  border: 2px solid var(--bsl-border);
}
.person-card .name {
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 .15rem;
  color: #2d3748;
}
.person-card .role {
  color: var(--bsl-muted);
  font-size: .85rem;
  margin: 0 0 .6rem;
  line-height: 1.35;
}
.person-card .topic {
  font-size: .88rem;
  margin: 0;
  color: #4a5568;
}
.person-card a.profile-link {
  display: inline-block;
  margin-top: .6rem;
  font-size: .85rem;
  font-weight: 500;
}
/* Icon row at the bottom of a person-card (Lattes, ORCID, etc.) */
.person-card .card-links {
  margin: .7rem 0 0;
  display: flex;
  justify-content: center;
  gap: .8rem;
  font-size: 1.2rem;
  margin-top: auto;          /* push to the bottom even when topic is short */
  padding-top: .6rem;
}
.person-card .card-links a {
  color: var(--bsl-muted);
  transition: color .15s ease, transform .15s ease;
}
.person-card .card-links a:hover {
  color: var(--bsl-accent);
  transform: translateY(-1px);
  text-decoration: none;
}

/* --- Co-PI cards (collaborators) — no box, round floating portrait --- */
.copi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem 1.6rem;
  margin: 1.5rem 0 2rem;
  justify-items: center;
}
.copi-card {
  background: transparent;
  border: none;
  padding: .5rem .25rem 1rem;
  text-align: center;
  max-width: 200px;
}
.copi-card img {
  width: 130px; height: 130px;
  border-radius: 50%;            /* circular even if the PNG were square */
  object-fit: cover;
  display: block;
  margin: 0 auto .65rem;
  background: transparent;
  /* subtle ring rather than a hard border, matching cream bg */
  box-shadow: 0 0 0 3px var(--bsl-bg-page),
              0 0 0 4px var(--bsl-border),
              0 4px 14px rgba(0,0,0,.06);
  transition: transform .15s ease, box-shadow .15s ease;
}
.copi-card:hover img {
  transform: translateY(-2px);
  box-shadow: 0 0 0 3px var(--bsl-bg-page),
              0 0 0 4px var(--bsl-accent),
              0 6px 18px rgba(0,0,0,.1);
}
.copi-card .name {
  font-weight: 600;
  font-size: .98rem;
  margin: 0 0 .15rem;
  color: #2d3748;
}
.copi-card .role {
  color: var(--bsl-muted);
  font-size: .82rem;
  margin: 0;
  line-height: 1.35;
}

/* --- PI block (more prominent than other members) --- */
.pi-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.8rem;
  align-items: start;
  padding: 1.5rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--bsl-border);
}
.pi-block img {
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.pi-block .pi-name { font-size: 1.5rem; font-weight: 600; margin: 0; }
.pi-block .pi-role { color: var(--bsl-muted); margin: .15rem 0 .8rem; font-size: 1rem; }
.pi-block .social-links { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
.pi-block .social-links a {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .3rem .7rem;
  border: 1px solid #d0d7de;
  border-radius: 999px;
  color: #24292f;
  background: #fff;
  font-size: .85rem;
}
.pi-block .social-links a:hover {
  background: var(--bsl-accent);
  color: #fff;
  border-color: var(--bsl-accent);
  text-decoration: none;
}
@media (max-width: 720px) {
  .pi-block { grid-template-columns: 1fr; text-align: center; }
  .pi-block img { max-width: 200px; margin: 0 auto; }
  .pi-block .social-links { justify-content: center; }
}

/* --- Alumni table --- */
.alumni-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}
.alumni-table th, .alumni-table td {
  padding: .55rem .8rem;
  border-bottom: 1px solid var(--bsl-border);
  text-align: left;
  vertical-align: top;
}
.alumni-table th {
  background: var(--bsl-bg-soft);
  font-weight: 600;
}

/* --- Publications: tighter spacing, year headers --- */
.pub-list h3 {
  margin-top: 1.8rem;
  padding-bottom: .3rem;
  font-weight: 700;
  color: var(--bsl-accent);
  border-bottom: 1px solid var(--bsl-border);
  font-size: 1.15rem;
}
.pub-list p {
  margin: 0 0 .9rem;
  padding-left: 1.2rem;
  text-indent: -1.2rem;
}

/* --- Quote / callout --- */
blockquote {
  border-left: 4px solid var(--bsl-accent);
  padding: .6rem 1rem;
  color: #495057;
  background: var(--bsl-bg-soft);
  font-style: italic;
  margin: 1.2rem 0;
}

/* --- News listing tweaks --- */
.quarto-listing .listing-title { font-size: 1.05rem; }
.quarto-listing .listing-date { color: var(--bsl-muted); font-size: .85rem; }

/* --- TOC: discrete --- */
#TOC, .toc-active a { font-size: .9rem; }

/* --- Footer --- */
.nav-footer { border-top: 1px solid var(--bsl-border); font-size: .88rem; color: var(--bsl-muted); }