:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --link: #1d4ed8;
  --link-hover: #1e40af;
  --accent: #1e3a8a;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Arial, "Noto Sans", "Liberation Sans", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

html {
  scroll-behavior: smooth;
}

#about,
#research,
#news,
#publications,
#presentations,
#services,
#contact {
  scroll-margin-top: 80px;
}

a {
  color: var(--link);
}

a:hover,
a:focus {
  color: var(--link-hover);
  text-decoration: none;
}

.container {
  max-width: 980px;
}

.navbar-inverse {
  background-color: #0b1220;
  border-color: transparent;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.08), 0 10px 22px rgba(2, 6, 23, 0.28);
}

.navbar-inverse .navbar-brand {
  color: #e2e8f0;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.navbar-inverse .navbar-nav > li > a {
  color: #cbd5e1;
}

.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > li > a:focus {
  color: #ffffff;
}

.page-header {
  border-bottom: none;
  margin: 10px 0 8px;
  padding-bottom: 0;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.site-section {
  margin: 26px 0;
}

.site-section h3 {
  font-weight: 700;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  color: var(--accent);
}

.profile-links {
  margin: 10px 0 0;
  color: var(--muted);
}

.profile-links a {
  font-weight: 600;
}

.alert {
  border-radius: 12px;
  padding: 14px 16px;
}

.site-notice {
  font-size: 16px;
  margin-top: 0;
  margin-bottom: 10px;
}

.alert-danger {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  border-left: 5px solid #e11d48;
  color: #881337;
}

.highlighted-paragraph {
  margin-top: 10px;
  border-radius: 12px;
  border: 1px solid #bfdbfe;
  border-left: 5px solid #2563eb;
  background-color: #eff6ff !important;
  color: #1e3a8a !important;
  padding: 14px 16px;
  line-height: 1.55;
}

.news-list,
.pub-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.pub-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
}

.news-list li {
  position: relative;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 10px 0 10px 18px;
  margin-bottom: 0;
  font-size: 15px;
}

.news-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #2563eb;
}

.news-list li:last-child {
  border-bottom: none;
}

.pub-list li a {
  font-weight: 600;
}

#contact p {
  margin-bottom: 10px;
}

.text-muted {
  color: var(--muted);
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  .pub-list li {
    padding: 10px 12px;
  }

  .news-list li {
    padding: 10px 0 10px 16px;
  }

  .news-list li::before {
    top: 18px;
  }
}