/* Health Tools hub — premium medical SaaS UI */
.health-tools-hub-page {
  --ht-teal: #0d9488;
  --ht-teal-dark: #0f766e;
  --ht-teal-soft: #ecfdf5;
  --ht-teal-glow: rgba(13, 148, 136, 0.22);
  --ht-border: #e2e8f0;
  --ht-text: #0f172a;
  --ht-muted: #64748b;
  --ht-card: #ffffff;
  font-family: 'Poppins', sans-serif;
}

.ht-hub {
  position: relative;
  background: #f8fafc;
  padding-bottom: 48px;
  overflow: hidden;
}

.ht-hub__mesh {
  position: absolute;
  inset: 0 0 auto 0;
  height: 420px;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(13, 148, 136, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 85% 10%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, #f0fdfa 0%, #f8fafc 100%);
  pointer-events: none;
  z-index: 0;
}

.ht-hub__container {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 16px 0;
}

/* Hero */
.ht-hub__hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
  padding: 32px 28px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(153, 246, 228, 0.6);
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(13, 148, 136, 0.1), 0 1px 0 rgba(255,255,255,0.8) inset;
}

.ht-hub__hero--compact {
  grid-template-columns: auto 1fr;
  margin-bottom: 16px;
  align-items: start;
}

.ht-hub__hero--compact .ht-hub__hero-icon {
  position: relative;
  inset: auto;
  width: 72px;
  height: 72px;
  min-width: 72px;
  border-radius: 18px;
  font-size: 1.75rem;
  flex-shrink: 0;
}

.ht-hub__hero--compact .ht-hub__hero-text {
  min-width: 0;
}

.ht-hub__hero--compact .ht-hub__back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ht-teal-dark);
  text-decoration: none;
}

.ht-hub__hero--compact .ht-hub__back-link:hover {
  text-decoration: underline;
}

.ht-hub__hero-visual {
  position: relative;
  width: 96px;
  height: 96px;
  flex-shrink: 0;
}

.ht-hub__hero-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(13, 148, 136, 0.2);
  animation: htRingPulse 3s ease-in-out infinite;
}

.ht-hub__hero-ring--2 {
  inset: -10px;
  animation-delay: 1s;
  border-color: rgba(14, 165, 233, 0.15);
}

.ht-hub__hero-icon {
  position: absolute;
  inset: 12px;
  border-radius: 20px;
  background: linear-gradient(145deg, #14b8a6 0%, #0d9488 50%, #0f766e 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.35);
  animation: htIconFloat 4s ease-in-out infinite;
}

.ht-hub__eyebrow {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ht-teal-dark);
}

.ht-hub__hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3.5vw, 2.15rem);
  font-weight: 800;
  color: var(--ht-text);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.ht-hub__lead {
  margin: 0 0 18px;
  color: var(--ht-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 640px;
}

.ht-hub__lead strong {
  color: var(--ht-teal-dark);
}

.ht-hub__badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ht-hub__badges li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ht-teal-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ht-teal-soft);
  border: 1px solid #99f6e4;
  padding: 7px 14px;
  border-radius: 999px;
}

.ht-hub__back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ht-teal-dark);
  text-decoration: none;
}

.ht-hub__back-link:hover {
  text-decoration: underline;
}

/* Category filters */
.ht-hub__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--ht-border);
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.ht-hub__filter {
  border: 0;
  background: transparent;
  color: var(--ht-muted);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.ht-hub__filter:hover {
  background: #f1f5f9;
  color: var(--ht-text);
}

.ht-hub__filter.is-active {
  background: linear-gradient(135deg, #ecfdf5, #e0f2fe);
  color: var(--ht-teal-dark);
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.12);
}

/* Sections */
.ht-hub__section {
  margin-bottom: 40px;
}

.ht-hub__section.is-hidden {
  display: none;
}

.ht-hub__section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.ht-hub__section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ht-text);
}

.ht-hub__section-icon {
  color: var(--ht-teal);
  font-size: 0.85rem;
}

.ht-hub__section-count {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ht-teal-dark);
  background: var(--ht-teal-soft);
  border: 1px solid #99f6e4;
  padding: 4px 12px;
  border-radius: 999px;
}

/* Cards */
.ht-hub__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 18px;
}

.ht-hub__card {
  position: relative;
  border-radius: 18px;
  background: var(--ht-card);
  border: 1px solid var(--ht-border);
  overflow: hidden;
  transition: transform 0.28s cubic-bezier(0.34, 1.4, 0.64, 1), box-shadow 0.28s ease, border-color 0.2s;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.ht-hub__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, color-mix(in srgb, var(--ht-accent, var(--ht-teal)) 6%, transparent), transparent 60%);
  opacity: 0;
  transition: opacity 0.28s ease;
  pointer-events: none;
}

.ht-hub__card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--ht-accent, var(--ht-teal)) 40%, #e2e8f0);
  box-shadow: 0 20px 44px var(--ht-teal-glow), 0 4px 12px rgba(15, 23, 42, 0.06);
}

.ht-hub__card:hover::before {
  opacity: 1;
}

.ht-hub__card-accent {
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--ht-accent, var(--ht-teal)), color-mix(in srgb, var(--ht-accent) 60%, white));
}

.ht-hub__card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100%;
  padding: 20px 20px 18px;
  text-decoration: none;
  color: inherit;
}

.ht-hub__card-link:focus-visible {
  outline: 2px solid var(--ht-teal);
  outline-offset: 3px;
  border-radius: 16px;
}

.ht-hub__card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.ht-hub__card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--ht-accent, var(--ht-teal)) 18%, white), color-mix(in srgb, var(--ht-accent) 8%, white));
  color: var(--ht-accent, var(--ht-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--ht-accent) 20%, transparent);
  transition: transform 0.28s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.ht-hub__card:hover .ht-hub__card-icon {
  transform: scale(1.08) rotate(-3deg);
}

.ht-hub__card-tag {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ht-accent, var(--ht-teal));
  background: color-mix(in srgb, var(--ht-accent) 10%, white);
  border: 1px solid color-mix(in srgb, var(--ht-accent) 25%, #e2e8f0);
  padding: 4px 10px;
  border-radius: 999px;
}

.ht-hub__card-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ht-text);
  line-height: 1.3;
}

.ht-hub__card-desc {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--ht-muted);
  flex: 1;
}

.ht-hub__card-method {
  margin: 0 0 18px;
  padding: 10px 12px;
  font-size: 0.72rem;
  line-height: 1.5;
  color: #64748b;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: #f8fafc;
  border-radius: 10px;
  border: 1px solid #f1f5f9;
}

.ht-hub__card-method i {
  color: var(--ht-accent, var(--ht-teal));
  margin-top: 2px;
  flex-shrink: 0;
}

.ht-hub__card-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
}

.ht-hub__card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--ht-teal), var(--ht-teal-dark));
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.22);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.ht-hub__card:hover .ht-hub__card-btn {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(13, 148, 136, 0.28);
  background: linear-gradient(135deg, var(--ht-teal-dark), #115e59);
}

.ht-hub__card-btn i {
  font-size: 0.75rem;
}

/* Reveal animation */
.ht-hub__reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--ht-delay, 0ms);
}

.ht-hub__reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* FAQ */
.ht-hub__faq {
  margin-bottom: 28px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--ht-border);
  border-radius: 20px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.04);
}

.ht-hub__faq h2 {
  margin: 0 0 18px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ht-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.ht-hub__faq h2 i {
  color: var(--ht-teal);
}

.ht-hub__faq-item {
  border-bottom: 1px solid #f1f5f9;
  padding: 14px 0;
}

.ht-hub__faq-item:last-child {
  border-bottom: 0;
}

.ht-hub__faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ht-text);
  list-style: none;
}

.ht-hub__faq-item summary::-webkit-details-marker {
  display: none;
}

.ht-hub__faq-item p {
  margin: 10px 0 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--ht-muted);
}

/* Disclaimer */
.ht-hub__disclaimer {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 0 0 48px;
  padding: 20px 22px;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 1px solid #fde68a;
  border-radius: 16px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #78350f;
}

.ht-hub__disclaimer i {
  color: #d97706;
  font-size: 1.25rem;
}

.ht-hub__disclaimer strong {
  display: block;
  margin-bottom: 4px;
  color: #92400e;
}

.ht-hub__disclaimer p {
  margin: 0;
}

.health-tools-utilities-page .dbk-health-utils {
  border-top: 1px solid var(--ht-border);
  margin-top: 0;
}

.health-tools-utilities-page .dbk-health-utils--standalone {
  padding-top: 0;
}

.health-tools-utilities-page .dbk-health-utils--standalone .dbk-hu-shell {
  margin-top: 0;
}

.health-tools-utilities-page .ht-hub__container .health-tool-faq,
.health-tools-utilities-page .ht-hub__container .health-tools-related,
.health-tools-utilities-page .ht-hub__container .calculator-disclaimer-box {
  padding-left: 0;
  padding-right: 0;
}

@keyframes htRingPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.06); opacity: 1; }
}

@keyframes htIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@media (max-width: 768px) {
  .ht-hub__hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 24px 18px;
  }

  .ht-hub__hero-visual {
    margin: 0 auto;
  }

  .ht-hub__badges {
    justify-content: center;
  }

  .ht-hub__filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .ht-hub__filter {
    flex-shrink: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ht-hub__hero-ring,
  .ht-hub__hero-icon,
  .ht-hub__card,
  .ht-hub__card-icon,
  .ht-hub__reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}