h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
}

.sidebar-tree .current > .reference {
  color: var(--color-brand-primary);
}

.sidebar-tree .reference:hover {
  color: var(--color-brand-primary);
}

.button-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}



a.learn-more-btn {
  position: relative;
  display: inline-block;
  padding: 0.6em 1.4em;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff !important;
  background-color: #A3D8E3 !important;
  border: none;
  border-radius: 0;
  text-decoration: none !important;
  overflow: hidden;
  z-index: 1;
  transition: color 0.3s ease;
}

a.learn-more-btn::before {
  content: "";
  position: absolute;
  left: 100%;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #A3D8E3;
  z-index: -1;
  transition: right 0.3s ease;
}

a.learn-more-btn:hover::before {
  right: 0;
}

a.learn-more-btn:hover {
  color: #A3D8E3 !important;
}

/* ===================
   General Button Styling
=================== */

a.orca-btn {
  display: inline-flex;                  /* for icon + text alignment */
  align-items: center;
  gap: 0.5em;                            /* space between icon and label */
  padding: 0.6em 1.2em;
  font-size: 1rem;
  font-weight: 600;
  color: #fff !important;
  background-color: #00AEC3 !important; /* Solid base color */
  border-radius: 0;
  text-decoration: none !important;
  transition: 
    color 0.3s ease,
    border-color 0.3s ease;
  position: relative;
  z-index: 0;
  overflow: hidden;
}

a.orca-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, #A3D8E3, #00AEC3);
  z-index: -1;
  background-size: 0% 100%;
  background-repeat: no-repeat;
  background-position: left;
  transition: background-size 0.4s ease-in-out;
}

a.orca-btn:hover::before {
  background-size: 100% 100%;
}

a.orca-btn:hover {
  color: #fff !important;
}

/* ===================
   Font Awesome Icon Styling
=================== */

a.orca-btn i.fas,
a.orca-btn i.far,
a.orca-btn i.fab {
  color: currentColor !important;        /* inherit white from parent */
  background-color: transparent;
  font-size: 1em;
  vertical-align: middle;
  transition: color 0.3s ease;
}

a.orca-btn:hover i.fas,
a.orca-btn:hover i.far,
a.orca-btn:hover i.fab {
  color: #fff !important;
}

/* GRID CARDS STYLING */
/* Grid container (optional tweak) */
.sd-grid {
  gap: 1rem; /* tighter spacing */
}

/* Card base style */
.sd-card {
  padding: 0.1rem !important;
  border-radius: 0px;
  background-color: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Hover effect for card */
.sd-card:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  z-index: 1;
}

/* Image style */
.sd-card img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0.1rem auto;
  padding: 0 !important;
}

/* Reduce body padding */
.sd-card-body {
  padding: 0.5rem !important;
  text-align: center;
}

/* Tighter title/subtitle spacing */
.sd-card-body p {
  margin: 0.2rem 0 !important;
  line-height: 1.3;
}