/* === SeSum Site Navigation === */
.site-nav {
  padding: 1rem 1.25rem;
  position: relative;
  z-index: 50;
}
.site-nav-inner {
  max-width: 42rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: #0f172a;
}
.site-nav-logo img {
  height: 2.25rem;
  width: auto;
  border-radius: 0.75rem;
  display: block;
}
.site-nav-logo span {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
}
.site-nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.site-nav-links a {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #64748b;
  text-decoration: none;
  transition: color 0.15s;
}
.site-nav-links a:hover {
  color: #334155;
}
.site-nav-links a[aria-current="page"] {
  color: #2d6a4f;
}
.site-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  color: #334155;
  line-height: 0;
}
.site-nav-mobile {
  display: none;
}

/* Mobile: <=640px */
@media (max-width: 640px) {
  .site-nav-links {
    display: none;
  }
  .site-nav-toggle {
    display: block;
  }
  .site-nav-mobile {
    display: none;
    flex-direction: column;
    border-top: 1px solid #e2e8f0;
    margin-top: 0.75rem;
    padding-top: 0.25rem;
  }
  .site-nav-mobile.is-open {
    display: flex;
  }
  .site-nav-mobile a {
    display: block;
    padding: 0.75rem 0;
    text-decoration: none;
    border-bottom: 1px solid #f1f5f9;
  }
  .site-nav-mobile a:last-child {
    border-bottom: none;
  }
  .site-nav-mobile a .site-nav-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #334155;
  }
  .site-nav-mobile a .site-nav-desc {
    display: block;
    font-size: 0.6875rem;
    color: #94a3b8;
    margin-top: 0.125rem;
  }
  .site-nav-mobile a:hover .site-nav-label,
  .site-nav-mobile a[aria-current="page"] .site-nav-label {
    color: #2d6a4f;
  }
}

/* === Breadcrumbs === */
.site-breadcrumb {
  padding: 0 1.25rem;
  position: relative;
  z-index: 10;
  font-size: 0.6875rem;
  line-height: 1;
}
.site-breadcrumb-inner {
  max-width: 28rem;
  margin: 0 auto;
  padding-bottom: 0.75rem;
  color: #94a3b8;
}
.site-breadcrumb a {
  color: #94a3b8;
  text-decoration: none;
}
.site-breadcrumb a:hover {
  color: #475569;
}
.site-breadcrumb .site-bc-sep {
  margin: 0 0.375rem;
}
.site-breadcrumb .site-bc-current {
  color: #475569;
}

/* === SeSum Site Footer === */
.site-footer {
  padding: 1.25rem 1.25rem 2rem;
  position: relative;
  z-index: 10;
}
.site-footer-inner {
  max-width: 28rem;
  margin: 0 auto;
  text-align: center;
}
.site-footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.site-footer-links a {
  font-size: 0.75rem;
  color: #64748b;
  text-decoration: none;
  transition: color 0.15s;
}
.site-footer-links a:hover {
  color: #334155;
}
.site-footer-copy {
  font-size: 0.625rem;
  color: #94a3b8;
  margin: 0;
}