/* ========================================
   RESOURCES MEGA MENU
   Rail (categories) + content (articles) + CTA (quiz) + footer
   ======================================== */
.nav-dropdown--mega-resources { position: relative; }
.dropdown-menu--mega-resources {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border: 1px solid #D6E0E8;
  border-top: 3px solid #00BBB5;
  border-radius: 2px;
  box-shadow: 0 16px 48px rgba(0, 41, 86, 0.12);
  display: none;
  width: 1080px;
  max-width: calc(100vw - 60px);
  z-index: 200;
  margin-top: 12px;
  padding: 0;
  grid-template-columns: 22% 48% 30%;
  grid-template-rows: auto auto;
}
.nav-dropdown--mega-resources:hover .dropdown-menu--mega-resources,
.dropdown-menu--mega-resources:hover { display: grid; }

.mega-rail {
  background: #F7FAFB;
  padding: 22px 0;
  list-style: none;
  margin: 0;
  border-right: 1px solid #E5EDF1;
}
.mega-rail li { margin: 0; }
.mega-rail .mega-cat {
  display: block;
  padding: 13px 22px 13px 25px;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  border-bottom: none;
  border-left: 3px solid transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  letter-spacing: -0.005em;
}
.mega-rail .mega-cat:hover,
.mega-rail .mega-cat:focus {
  background: #E7F5F4;
  border-left-color: #00BBB5;
  color: var(--navy);
}
.mega-rail .mega-cat[data-cat="dental-health"] {
  background: #E7F5F4;
  border-left-color: #00BBB5;
}
.dropdown-menu--mega-resources:has(.mega-cat:not([data-cat="dental-health"]):hover) .mega-cat[data-cat="dental-health"] {
  background: transparent;
  border-left-color: transparent;
}

.mega-content {
  padding: 26px 32px 22px;
  min-height: 280px;
  position: relative;
}
.mega-panel { display: none; }
.mega-panel[data-cat="dental-health"] { display: block; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="dental-issues"]:hover) .mega-panel { display: none; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="dental-issues"]:hover) .mega-panel[data-cat="dental-issues"] { display: block; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="procedures"]:hover) .mega-panel { display: none; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="procedures"]:hover) .mega-panel[data-cat="procedures"] { display: block; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="whole-body"]:hover) .mega-panel { display: none; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="whole-body"]:hover) .mega-panel[data-cat="whole-body"] { display: block; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="in-the-media"]:hover) .mega-panel { display: none; }
.dropdown-menu--mega-resources:has(.mega-cat[data-cat="in-the-media"]:hover) .mega-panel[data-cat="in-the-media"] { display: block; }

.mega-panel h5 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--navy);
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #00BBB5;
  letter-spacing: -0.005em;
}
.mega-articles {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}
.mega-articles li { margin: 0; }
.mega-articles a {
  display: block;
  padding: 9px 12px;
  margin: 0 -12px;
  font-size: 0.9rem;
  color: var(--text-body);
  text-decoration: none;
  border-bottom: none;
  border-radius: 4px;
  line-height: 1.5;
  transition: background 0.15s, color 0.15s;
}
.mega-articles a:hover {
  background: #F4F8FA;
  color: var(--navy);
}
.mega-view-all {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--burgundy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  font-weight: 600;
  padding: 6px 0;
  letter-spacing: 0.01em;
  transition: border-color 0.15s;
}
.mega-view-all:hover { border-bottom-color: var(--burgundy); }

.mega-cta {
  background: #002956;
  color: #eaf2f7;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.mega-cta-eyebrow {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.005em;
}
.mega-cta p {
  font-size: 0.88rem;
  line-height: 1.55;
  color: #cfd9e2;
  margin: 0 0 20px;
}
.mega-cta-btn {
  display: inline-block;
  background: #00BBB5;
  color: #fff !important;
  padding: 12px 22px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: none;
  align-self: flex-start;
  transition: background 0.2s;
  letter-spacing: 0.01em;
}
.mega-cta-btn:hover { background: #00A19C; border-bottom: none; }

.mega-footer {
  grid-column: 1 / -1;
  padding: 12px 32px;
  background: #FAFAF7;
  border-top: 1px solid #E5EDF1;
  text-align: right;
}
.mega-footer a {
  font-size: 0.82rem;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: border-color 0.15s;
}
.mega-footer a:hover { border-bottom-color: var(--navy); }

.nav-dropdown--mega-resources::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 16px;
  display: none;
}
.nav-dropdown--mega-resources:hover::after { display: block; }