/* ==========================================================================
   KLARITY EYE CARE HOSPITAL — DRY EYES TREATMENT PAGE STYLES
   Awwwards-Level Editorial Healthcare Digital Experience
   Metaphor: "The Protective Layer" — Tear Film • Optical Moisture • Cellular Clarity
   Technology: CSS3 Custom Properties • Responsive Grid • Micro-Refractions
   Guaranteed 100% Static Visibility First & Non-Breaking Layouts
   ========================================================================== */

/* --- 1. DRY EYE DESIGN TOKENS --- */
:root {
  /* Fluid & Optical Moisture Palette */
  --de-navy-deep: #071326;
  --de-navy-surface: #0B1E38;
  --de-navy-elevated: #102A4E;
  --de-navy-border: rgba(0, 180, 216, 0.22);
  
  --de-blue-primary: #0066CC;
  --de-blue-hover: #0052A3;
  --de-blue-light: #EBF5FF;
  --de-blue-subtle: #F4F9FF;
  
  --de-cyan-vibrant: #00B4D8;
  --de-cyan-light: #E0F7FA;
  --de-aqua-pure: #00E5C9;
  --de-aqua-glow: rgba(0, 229, 201, 0.22);
  --de-tear-glow: rgba(0, 180, 216, 0.28);
  
  --de-tear-lipid: #FBBF24;
  --de-tear-aqueous: #38BDF8;
  --de-tear-mucin: #818CF8;

  --de-surface-card: #FFFFFF;
  --de-surface-card-subtle: #F8FAFD;
  --de-surface-card-hover: #FFFFFF;
  --de-border-light: #E2EAF2;
  --de-border-accent: rgba(0, 102, 204, 0.18);
  
  --de-text-heading: #091E3A;
  --de-text-body: #2C3E55;
  --de-text-muted: #475569;
  --de-text-light: #94A3B8;
  
  /* Typography */
  --de-font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --de-font-mono: 'Space Grotesk', 'SF Mono', Consolas, monospace;

  /* Shadows & Glassmorphism */
  --de-shadow-soft: 0 4px 20px rgba(7, 19, 38, 0.05);
  --de-shadow-medium: 0 12px 36px rgba(7, 19, 38, 0.08);
  --de-shadow-elevated: 0 24px 60px -12px rgba(7, 19, 38, 0.14);
  --de-shadow-cyan-glow: 0 0 35px rgba(0, 180, 216, 0.25);
  --de-shadow-aqua-glow: 0 0 30px rgba(0, 229, 201, 0.22);
  
  --de-glass-card: rgba(255, 255, 255, 0.94);
  --de-glass-dark: rgba(7, 19, 38, 0.88);
  
  /* Transitions */
  --de-ease-fluid: cubic-bezier(0.16, 1, 0.3, 1);
  --de-ease-smooth: cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Page Base */
.dry-eyes-page {
  background-color: var(--de-surface-card-subtle);
  color: var(--de-text-body);
  font-family: var(--de-font-display);
  overflow-x: hidden;
  position: relative;
}

/* --- STATIC CONTENT SAFETY & VISIBILITY SYSTEM --- */
.dry-eyes-hero,
.de-intro-section,
.de-causes-section,
.de-screen-strain-section,
.de-symptoms-kinetic-section,
.de-treatments-section,
.de-cost-section,
.de-criteria-section,
.de-finance-section,
.de-process-section,
.de-lifestyle-section,
.de-seek-care-section,
.de-care-klarity-section,
.de-related-section,
.de-cta-section {
  position: relative;
  width: 100%;
  opacity: 1;
  visibility: visible;
}

.de-symptom-editorial-card,
.de-lifestyle-card,
.de-seek-signal-card,
.de-related-card,
.de-factor-card,
.de-cost-band-card,
.de-timeline-node-card,
.de-finance-card,
.de-criteria-item,
.de-screen-visual-card,
.de-symptom-tag-card,
.de-tear-triad-card,
.de-cause-display-card,
.de-treatment-detail-card,
.de-appointment-card,
.de-care-image-wrap {
  opacity: 1;
  visibility: visible;
}

/* --- 2. CUSTOM PAGE LOADER (Optic Moisture Ring) --- */
.dry-eyes-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--de-navy-deep);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s var(--de-ease-fluid), visibility 0.4s ease;
}

.dry-eyes-loader.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.dry-eyes-loader-lens {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.dry-eyes-loader-ring-outer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(0, 180, 216, 0.2);
  border-top-color: var(--de-cyan-vibrant);
  border-right-color: var(--de-aqua-pure);
  animation: deSpin 1.8s linear infinite;
}

.dry-eyes-loader-ring-inner {
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 2px solid rgba(0, 102, 204, 0.25);
  border-bottom-color: var(--de-blue-primary);
  border-left-color: var(--de-cyan-vibrant);
  animation: deSpinReverse 1.2s linear infinite;
}

.dry-eyes-loader-drop {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  background: radial-gradient(circle, #00E5C9 0%, #0066CC 100%);
  border-radius: 50% 50% 50% 0;
  transform: translate(-50%, -50%) rotate(-45deg);
  box-shadow: 0 0 15px var(--de-aqua-pure);
  animation: dePulseDrop 1.5s ease-in-out infinite alternate;
}

.dry-eyes-loader-text {
  font-family: var(--de-font-mono);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--de-cyan-vibrant);
  font-weight: 600;
}

@keyframes deSpin {
  100% { transform: rotate(360deg); }
}
@keyframes deSpinReverse {
  100% { transform: rotate(-360deg); }
}
@keyframes dePulseDrop {
  0% { transform: translate(-50%, -50%) rotate(-45deg) scale(0.85); opacity: 0.7; }
  100% { transform: translate(-50%, -50%) rotate(-45deg) scale(1.15); opacity: 1; }
}

/* --- 3. SHARED SECTION BADGES & HEADINGS --- */
.de-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(0, 102, 204, 0.08);
  color: var(--de-blue-primary);
  font-family: var(--de-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid rgba(0, 102, 204, 0.15);
  margin-bottom: 16px;
}

.de-badge-pill-light {
  background: rgba(0, 229, 201, 0.14);
  color: var(--de-aqua-pure);
  border-color: rgba(0, 229, 201, 0.3);
}

.de-section-heading {
  font-family: var(--de-font-display);
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 800;
  color: var(--de-text-heading);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.de-section-heading-dark {
  color: #FFFFFF;
}

.de-section-lead {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  color: var(--de-text-muted);
  line-height: 1.65;
  max-width: 780px;
}

.de-section-lead-dark {
  color: rgba(255, 255, 255, 0.88);
}

/* --- 4. SECTION 01 — HERO ("The Protective Layer") --- */
.dry-eyes-hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  background: radial-gradient(120% 120% at 75% 20%, #0D274A 0%, var(--de-navy-deep) 65%, #040C18 100%);
  color: #FFFFFF;
  overflow: hidden;
}

.dry-eyes-hero-canvas-wrap {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.85;
}

.de-optical-grid {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 75% 35%, rgba(0, 180, 216, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(0, 229, 201, 0.1) 0%, transparent 45%),
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 60px 60px, 60px 60px;
}

.dry-eyes-hero-content {
  position: relative;
  z-index: 3;
}

.de-hero-concept-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(0, 180, 216, 0.14);
  border: 1px solid rgba(0, 180, 216, 0.35);
  border-radius: 9999px;
  font-family: var(--de-font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--de-cyan-vibrant);
  margin-bottom: 22px;
  backdrop-filter: blur(10px);
}

.de-hero-concept-tag i {
  font-size: 15px;
  color: var(--de-aqua-pure);
}

.dry-eyes-hero-h1 {
  font-family: var(--de-font-display);
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 24px;
}

.dry-eyes-hero-h1 .de-text-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, #A5F3FC 60%, var(--de-aqua-pure) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dry-eyes-hero-lead {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.65;
  color: #CBD5E1;
  max-width: 620px;
  margin-bottom: 32px;
}

.dry-eyes-hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.de-hero-metric-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  transition: var(--de-ease-smooth);
}

.de-hero-metric-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(0, 180, 216, 0.4);
  transform: translateY(-2px);
}

.de-hero-metric-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 180, 216, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--de-aqua-pure);
  font-size: 18px;
}

.de-hero-metric-text {
  display: flex;
  flex-direction: column;
}

.de-hero-metric-text strong {
  font-size: 14px;
  color: #FFFFFF;
  font-weight: 700;
}

.de-hero-metric-text span {
  font-size: 12px;
  color: #94A3B8;
}

.dry-eyes-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.btn-de-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 34px;
  background: linear-gradient(135deg, var(--de-blue-primary) 0%, #0088EE 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 15px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(0, 102, 204, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s var(--de-ease-fluid);
}

.btn-de-primary:hover {
  background: linear-gradient(135deg, #0052A3 0%, var(--de-blue-primary) 100%);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(0, 102, 204, 0.45);
}

.btn-de-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 15px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s var(--de-ease-fluid);
}

.btn-de-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  border-color: var(--de-cyan-vibrant);
  transform: translateY(-2px);
}

.btn-de-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #E2E8F0;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  transition: color 0.2s ease;
}

.btn-de-phone i {
  color: var(--de-aqua-pure);
  font-size: 17px;
}

.btn-de-phone:hover {
  color: var(--de-cyan-vibrant);
}

/* Hero Right: Interactive Lens & Tear Layer Metaphor */
.dry-eyes-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

.de-lens-container {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.de-lens-glass-circle {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.15) 0%, rgba(0, 180, 216, 0.08) 50%, rgba(4, 12, 24, 0.4) 100%);
  border: 2px solid rgba(0, 229, 201, 0.3);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    inset 0 0 40px rgba(0, 180, 216, 0.2),
    0 0 50px rgba(0, 229, 201, 0.15);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.de-lens-rings {
  position: absolute;
  inset: 15px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.2);
}

.de-lens-fluid-glow {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 201, 0.35) 0%, rgba(0, 102, 204, 0.2) 60%, transparent 100%);
  filter: blur(30px);
}

.de-lens-core-card {
  position: relative;
  z-index: 4;
  width: 82%;
  background: rgba(11, 30, 56, 0.92);
  border: 1px solid rgba(0, 180, 216, 0.35);
  border-radius: 20px;
  padding: 24px;
  backdrop-filter: blur(20px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.de-lens-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.de-lens-card-title {
  font-family: var(--de-font-mono);
  font-size: 13px;
  color: var(--de-cyan-vibrant);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.de-lens-status-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--de-aqua-pure);
  font-family: var(--de-font-mono);
}

.de-lens-status-live::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--de-aqua-pure);
  box-shadow: 0 0 8px var(--de-aqua-pure);
}

.de-tear-film-micro-layers {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.de-layer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid #FFF;
  font-size: 12.5px;
  transition: var(--de-ease-smooth);
}

.de-layer-bar.lipid {
  border-color: var(--de-tear-lipid);
  background: rgba(251, 191, 36, 0.1);
}
.de-layer-bar.aqueous {
  border-color: var(--de-tear-aqueous);
  background: rgba(56, 189, 248, 0.1);
}
.de-layer-bar.mucin {
  border-color: var(--de-tear-mucin);
  background: rgba(129, 140, 248, 0.1);
}

.de-layer-info {
  display: flex;
  flex-direction: column;
}
.de-layer-info strong {
  color: #FFFFFF;
  font-size: 12.5px;
}
.de-layer-info span {
  color: #94A3B8;
  font-size: 11px;
}

.de-layer-badge {
  font-family: var(--de-font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}
.de-layer-bar.lipid .de-layer-badge { background: rgba(251, 191, 36, 0.25); color: #FCD34D; }
.de-layer-bar.aqueous .de-layer-badge { background: rgba(56, 189, 248, 0.25); color: #7DD3FC; }
.de-layer-bar.mucin .de-layer-badge { background: rgba(129, 140, 248, 0.25); color: #A5B4FC; }

.de-floating-clinic-pill {
  position: absolute;
  bottom: -15px;
  right: -10px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--de-text-heading);
  padding: 10px 18px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  font-size: 12.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(0, 102, 204, 0.15);
  z-index: 5;
}

.de-floating-clinic-pill i {
  color: var(--de-blue-primary);
  font-size: 18px;
}

/* --- 5. SECTION 02 — WHAT IS DRY EYE DISEASE? --- */
.de-intro-section {
  padding: 110px 0 90px;
  background: #FFFFFF;
  position: relative;
}

.de-editorial-num-box {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
}

.de-big-num {
  font-family: var(--de-font-mono);
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 0.9;
  color: rgba(0, 102, 204, 0.14);
  letter-spacing: -0.04em;
}

.de-num-meta {
  display: flex;
  flex-direction: column;
}
.de-num-label {
  font-family: var(--de-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--de-blue-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.de-num-sub {
  font-size: 14px;
  color: var(--de-text-muted);
}

.de-tear-triad-card {
  background: linear-gradient(135deg, var(--de-blue-subtle) 0%, #FFFFFF 100%);
  border: 1px solid var(--de-border-accent);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--de-shadow-soft);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.de-triad-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin-top: 24px;
  padding: 18px 0;
}

.de-triad-steps::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, var(--de-blue-primary), var(--de-cyan-vibrant), var(--de-aqua-pure));
  z-index: 1;
  transform: translateY(-50%);
}

.de-triad-node {
  position: relative;
  z-index: 2;
  background: #FFFFFF;
  border: 2px solid var(--de-blue-primary);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--de-blue-primary);
  font-size: 20px;
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.2);
  transition: var(--de-ease-smooth);
}

.de-triad-node:hover {
  transform: scale(1.1);
  background: var(--de-blue-primary);
  color: #FFFFFF;
}

.de-triad-captions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  gap: 10px;
  margin-top: 14px;
}

.de-triad-cap strong {
  display: block;
  font-size: 13.5px;
  color: var(--de-text-heading);
}

.de-triad-cap span {
  font-size: 12px;
  color: var(--de-text-muted);
}

/* --- 6. SECTION 03 — WHY DOES DRY EYE HAPPEN? (CAUSE EXPLORER) --- */
.de-causes-section {
  padding: 110px 0;
  background: var(--de-navy-deep);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.de-causes-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 36px;
  align-items: start;
}

@media (max-width: 991px) {
  .de-causes-grid {
    grid-template-columns: 1fr;
  }
}

.de-cause-list-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* High contrast inactive and active tab buttons */
.de-cause-nav-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  color: #F1F5F9;
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--de-ease-smooth);
}

.de-cause-nav-btn-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.de-cause-nav-idx {
  font-family: var(--de-font-mono);
  font-size: 12px;
  color: #38BDF8;
  padding: 3px 8px;
  background: rgba(0, 180, 216, 0.18);
  border-radius: 6px;
  font-weight: 700;
}

.de-cause-nav-btn i.ri-arrow-right-s-line {
  font-size: 18px;
  color: #94A3B8;
  transition: transform 0.2s ease, color 0.2s ease;
}

.de-cause-nav-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(0, 180, 216, 0.4);
  color: #FFFFFF;
}

.de-cause-nav-btn.is-active {
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.5) 0%, rgba(0, 180, 216, 0.35) 100%);
  border-color: var(--de-aqua-pure);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(0, 180, 216, 0.25);
}

.de-cause-nav-btn.is-active i.ri-arrow-right-s-line {
  color: var(--de-aqua-pure);
  transform: translateX(4px);
}

/* Cause Detail Display Card */
.de-cause-display-card {
  background: rgba(16, 42, 78, 0.85);
  border: 1px solid rgba(0, 180, 216, 0.3);
  border-radius: 24px;
  padding: 40px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  min-height: 440px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.de-cause-panel {
  display: none;
  opacity: 1;
  visibility: visible;
}

.de-cause-panel.is-active {
  display: block;
  opacity: 1;
  visibility: visible;
}

.de-cause-panel-tag {
  font-family: var(--de-font-mono);
  font-size: 12px;
  color: var(--de-aqua-pure);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.de-cause-panel-title {
  font-size: clamp(1.5rem, 2.2vw, 2.1rem);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
  line-height: 1.25;
}

.de-cause-panel-desc {
  font-size: 16px;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 24px;
}

.de-cause-panel-facts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.de-cause-fact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: #E2E8F0;
}

.de-cause-fact-item i {
  color: var(--de-cyan-vibrant);
  font-size: 18px;
  flex-shrink: 0;
}

/* --- 7. SECTION 04 — DIGITAL EYE STRAIN & BLINK RATE --- */
.de-screen-strain-section {
  padding: 110px 0;
  background: #FFFFFF;
  position: relative;
}

.de-screen-visual-card {
  background: radial-gradient(100% 100% at 50% 20%, #0D2444 0%, var(--de-navy-deep) 100%);
  border-radius: 24px;
  padding: 40px;
  color: #FFFFFF;
  box-shadow: var(--de-shadow-elevated);
  position: relative;
  overflow: hidden;
}

.de-screen-frame {
  border: 1px solid rgba(0, 180, 216, 0.3);
  border-radius: 16px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  margin-bottom: 24px;
}

.de-blink-rate-meter {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

@media (max-width: 575px) {
  .de-blink-rate-meter {
    grid-template-columns: 1fr;
  }
}

.de-blink-box {
  padding: 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.de-blink-box.normal {
  border-color: rgba(0, 229, 201, 0.35);
}

.de-blink-box.screen {
  border-color: rgba(239, 68, 68, 0.45);
  background: rgba(239, 68, 68, 0.1);
}

.de-blink-num {
  font-family: var(--de-font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}

.de-blink-box.normal .de-blink-num { color: var(--de-aqua-pure); }
.de-blink-box.screen .de-blink-num { color: #F87171; }

.de-blink-label {
  font-size: 13px;
  color: #CBD5E1;
  font-weight: 600;
}

.de-blink-sub {
  font-size: 11.5px;
  color: #94A3B8;
  margin-top: 4px;
}

/* Symptom Wall */
.de-symptom-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.de-symptom-tag-card {
  padding: 16px 18px;
  background: #FFFFFF;
  border: 1px solid var(--de-border-light);
  border-radius: 14px;
  box-shadow: var(--de-shadow-soft);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.25s var(--de-ease-smooth);
}

.de-symptom-tag-card:hover {
  border-color: var(--de-blue-primary);
  transform: translateY(-3px);
  box-shadow: var(--de-shadow-medium);
}

.de-symptom-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--de-blue-subtle);
  color: var(--de-blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.de-symptom-tag-card strong {
  font-size: 14px;
  color: var(--de-text-heading);
}

/* --- 8. SECTION 05 — SYMPTOMS (HOW CAN DRY EYES FEEL?) --- */
.de-symptoms-kinetic-section {
  padding: 100px 0;
  background: linear-gradient(180deg, #F8FAFD 0%, #FFFFFF 100%);
  position: relative;
}

.de-kinetic-symptom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

@media (max-width: 991px) {
  .de-kinetic-symptom-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 575px) {
  .de-kinetic-symptom-grid {
    grid-template-columns: 1fr;
  }
}

.de-symptom-editorial-card {
  background: #FFFFFF;
  border: 1px solid var(--de-border-light);
  border-radius: 18px;
  padding: 30px 24px;
  box-shadow: var(--de-shadow-soft);
  position: relative;
  transition: all 0.3s var(--de-ease-smooth);
  overflow: hidden;
}

.de-symptom-editorial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--de-blue-primary), var(--de-cyan-vibrant));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.de-symptom-editorial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--de-shadow-medium);
  border-color: rgba(0, 102, 204, 0.25);
}

.de-symptom-editorial-card:hover::before {
  opacity: 1;
}

.de-symptom-card-num {
  font-family: var(--de-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--de-blue-primary);
  margin-bottom: 14px;
  display: block;
}

.de-symptom-card-word {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--de-text-heading);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.de-symptom-card-desc {
  font-size: 14.5px;
  color: #334155;
  line-height: 1.6;
  margin: 0;
}

/* --- 9. SECTION 06 — DRY EYE TREATMENT OPTIONS (CHAPTER SELECTOR) --- */
.de-treatments-section {
  padding: 120px 0;
  background: #081932;
  color: #FFFFFF;
  position: relative;
}

.de-treatment-tabs-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}

@media (max-width: 991px) {
  .de-treatment-tabs-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 575px) {
  .de-treatment-tabs-nav {
    grid-template-columns: 1fr;
  }
}

/* High contrast inactive and active chapter tab buttons */
.de-treatment-tab-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 18px 16px;
  color: #FFFFFF;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--de-ease-smooth);
}

.de-treatment-tab-btn .tab-num {
  font-family: var(--de-font-mono);
  font-size: 12px;
  color: #38BDF8;
  margin-bottom: 6px;
  display: block;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.de-treatment-tab-btn .tab-title {
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.35;
  color: #FFFFFF;
}

.de-treatment-tab-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(0, 180, 216, 0.4);
}

.de-treatment-tab-btn.is-active {
  background: linear-gradient(135deg, var(--de-blue-primary) 0%, #0088EE 100%);
  border-color: var(--de-aqua-pure);
  box-shadow: 0 10px 25px rgba(0, 102, 204, 0.4);
}

.de-treatment-tab-btn.is-active .tab-num {
  color: #A5F3FC;
}

/* Treatment Detail Card */
.de-treatment-detail-card {
  background: rgba(14, 34, 62, 0.9);
  border: 1px solid rgba(0, 180, 216, 0.3);
  border-radius: 24px;
  padding: 44px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.de-treatment-panel {
  display: none;
  opacity: 1;
  visibility: visible;
}

.de-treatment-panel.is-active {
  display: block;
  opacity: 1;
  visibility: visible;
}

.de-treatment-panel-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 991px) {
  .de-treatment-panel-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.de-treatment-panel-h3 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
  line-height: 1.2;
}

.de-treatment-panel-lead {
  font-size: 16px;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 24px;
}

.de-advantages-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 22px;
  margin-bottom: 24px;
}

.de-advantages-title {
  font-family: var(--de-font-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--de-aqua-pure);
  font-weight: 700;
  margin-bottom: 14px;
}

.de-advantages-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.de-advantages-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: #E2E8F0;
}

.de-advantages-list li i {
  color: var(--de-aqua-pure);
  font-size: 17px;
}

.de-treatment-cost-badge {
  display: inline-flex;
  flex-direction: column;
  padding: 18px 24px;
  background: rgba(0, 180, 216, 0.14);
  border: 1px solid rgba(0, 180, 216, 0.35);
  border-radius: 16px;
}

.de-treatment-cost-label {
  font-family: var(--de-font-mono);
  font-size: 11px;
  color: #CBD5E1;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.de-treatment-cost-val {
  font-family: var(--de-font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--de-aqua-pure);
  margin-top: 4px;
}

.de-treatment-cost-note {
  font-size: 12px;
  color: #94A3B8;
  margin-top: 2px;
}

/* --- 10. SECTION 07 & 08 — COST & COST FACTORS --- */
.de-cost-section {
  padding: 110px 0;
  background: #FFFFFF;
  position: relative;
}

.de-cost-formula-card {
  background: linear-gradient(135deg, var(--de-blue-subtle) 0%, #FFFFFF 100%);
  border: 1px solid var(--de-border-accent);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--de-shadow-soft);
  margin-bottom: 48px;
}

.de-formula-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
}

.de-formula-pill {
  padding: 12px 22px;
  background: #FFFFFF;
  border: 1px solid var(--de-border-light);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  font-weight: 700;
  color: var(--de-text-heading);
  font-size: 14px;
}

.de-formula-sign {
  font-family: var(--de-font-mono);
  font-size: 20px;
  font-weight: 800;
  color: var(--de-blue-primary);
}

.de-formula-pill.result {
  background: var(--de-blue-primary);
  color: #FFFFFF;
  border-color: var(--de-blue-primary);
  box-shadow: 0 8px 20px rgba(0, 102, 204, 0.25);
}

.de-cost-disclaimer-box {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 12px;
  padding: 16px 20px;
  color: #92400E;
  font-size: 13.5px;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 24px;
}

.de-cost-disclaimer-box i {
  font-size: 18px;
  color: #D97706;
  flex-shrink: 0;
  margin-top: 2px;
}

/* 4 Cost Bands Grid */
.de-cost-bands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

@media (max-width: 1199px) {
  .de-cost-bands-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 575px) {
  .de-cost-bands-grid {
    grid-template-columns: 1fr;
  }
}

.de-cost-band-card {
  background: #FFFFFF;
  border: 1px solid var(--de-border-light);
  border-radius: 18px;
  padding: 28px 22px;
  box-shadow: var(--de-shadow-soft);
  transition: all 0.3s var(--de-ease-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.de-cost-band-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--de-shadow-medium);
  border-color: rgba(0, 102, 204, 0.25);
}

.de-cost-band-type {
  font-family: var(--de-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--de-blue-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.de-cost-band-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--de-text-heading);
  margin-bottom: 12px;
  line-height: 1.3;
}

.de-cost-band-price {
  font-family: var(--de-font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--de-blue-primary);
  margin-bottom: 8px;
}

.de-cost-band-sub {
  font-size: 12px;
  color: var(--de-text-muted);
}

/* 4 Cost Factor Editorial Cards */
.de-factors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

@media (max-width: 767px) {
  .de-factors-grid {
    grid-template-columns: 1fr;
  }
}

.de-factor-card {
  background: var(--de-surface-card-subtle);
  border: 1px solid var(--de-border-light);
  border-radius: 18px;
  padding: 30px;
  transition: all 0.3s var(--de-ease-smooth);
}

.de-factor-card:hover {
  background: #FFFFFF;
  border-color: rgba(0, 102, 204, 0.2);
  box-shadow: var(--de-shadow-medium);
  transform: translateY(-3px);
}

.de-factor-idx {
  font-family: var(--de-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--de-blue-primary);
  margin-bottom: 10px;
  display: block;
}

.de-factor-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--de-text-heading);
  margin-bottom: 12px;
}

.de-factor-desc {
  font-size: 14.5px;
  color: #334155;
  line-height: 1.65;
  margin: 0;
}

/* --- 11. SECTION 09 — HOW TO CHOOSE THE RIGHT CENTRE --- */
.de-criteria-section {
  padding: 110px 0;
  background: #0B1E38;
  color: #FFFFFF;
  position: relative;
}

.de-criteria-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 36px;
}

.de-criteria-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  transition: all 0.3s var(--de-ease-smooth);
}

.de-criteria-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(0, 180, 216, 0.35);
  transform: translateX(6px);
}

.de-criteria-idx {
  font-family: var(--de-font-mono);
  font-size: 16px;
  font-weight: 800;
  color: var(--de-cyan-vibrant);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 180, 216, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.de-criteria-info h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.de-criteria-info p {
  font-size: 14px;
  color: #CBD5E1;
  margin: 0;
  line-height: 1.6;
}

/* --- 12. SECTION 10 — TRANSPARENT PRICING & INSURANCE --- */
.de-finance-section {
  padding: 110px 0;
  background: #FFFFFF;
  position: relative;
}

.de-finance-card {
  background: #FFFFFF;
  border: 1px solid var(--de-border-light);
  border-radius: 20px;
  padding: 38px;
  box-shadow: var(--de-shadow-soft);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.de-finance-card.pricing {
  border-top: 4px solid var(--de-blue-primary);
}

.de-finance-card.insurance {
  border-top: 4px solid var(--de-cyan-vibrant);
}

.de-finance-card h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--de-text-heading);
  margin-bottom: 16px;
}

.de-finance-card p {
  font-size: 15px;
  color: #334155;
  line-height: 1.7;
}

.de-insurance-advice-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.de-insurance-advice-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  color: var(--de-text-body);
}

.de-insurance-advice-list li i {
  color: var(--de-blue-primary);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- 13. SECTION 11 — WHAT CAN YOU EXPECT DURING TREATMENT? --- */
.de-process-section {
  padding: 110px 0;
  background: var(--de-surface-card-subtle);
  position: relative;
}

.de-process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  position: relative;
  margin-top: 48px;
}

@media (max-width: 1199px) {
  .de-process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 767px) {
  .de-process-timeline {
    grid-template-columns: 1fr;
  }
}

.de-timeline-node-card {
  background: #FFFFFF;
  border: 1px solid var(--de-border-light);
  border-radius: 18px;
  padding: 26px 20px;
  box-shadow: var(--de-shadow-soft);
  position: relative;
  transition: all 0.3s var(--de-ease-smooth);
}

.de-timeline-node-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--de-shadow-medium);
  border-color: rgba(0, 102, 204, 0.25);
}

.de-timeline-step-num {
  font-family: var(--de-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--de-blue-primary);
  background: var(--de-blue-light);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 12px;
}

.de-timeline-node-card h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--de-text-heading);
  margin-bottom: 8px;
}

.de-timeline-node-card p {
  font-size: 13.5px;
  color: #334155;
  line-height: 1.55;
  margin: 0;
}

/* --- 14. SECTION 12 — LIFESTYLE GUIDANCE --- */
.de-lifestyle-section {
  padding: 100px 0;
  background: #FFFFFF;
  position: relative;
}

.de-lifestyle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

@media (max-width: 991px) {
  .de-lifestyle-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 575px) {
  .de-lifestyle-grid {
    grid-template-columns: 1fr;
  }
}

.de-lifestyle-card {
  background: var(--de-surface-card-subtle);
  border: 1px solid var(--de-border-light);
  border-radius: 16px;
  padding: 28px 22px;
  text-align: center;
  transition: all 0.3s var(--de-ease-smooth);
}

.de-lifestyle-card:hover {
  background: #FFFFFF;
  border-color: var(--de-blue-primary);
  transform: translateY(-4px);
  box-shadow: var(--de-shadow-medium);
}

.de-lifestyle-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--de-blue-light);
  color: var(--de-blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
}

.de-lifestyle-card h4 {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--de-text-heading);
  margin-bottom: 8px;
}

.de-lifestyle-card p {
  font-size: 13.5px;
  color: #334155;
  line-height: 1.6;
  margin: 0;
}

/* --- 15. SECTION 13 — WHEN TO SEEK TREATMENT --- */
.de-seek-care-section {
  padding: 110px 0;
  background: radial-gradient(100% 100% at 50% 10%, #0C213D 0%, var(--de-navy-deep) 100%);
  color: #FFFFFF;
  position: relative;
}

.de-seek-signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.de-seek-signal-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(10px);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all 0.3s var(--de-ease-smooth);
}

.de-seek-signal-card:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(0, 180, 216, 0.4);
  transform: translateY(-3px);
}

.de-seek-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(0, 180, 216, 0.18);
  color: var(--de-aqua-pure);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.de-seek-signal-card p {
  font-size: 15px;
  color: #F1F5F9;
  line-height: 1.6;
  margin: 0;
  font-weight: 500;
}

/* --- 16. SECTION 14 — COMPREHENSIVE DRY EYE CARE AT KLARITY --- */
.de-care-klarity-section {
  padding: 110px 0;
  background: #FFFFFF;
  position: relative;
}

.de-care-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 50px;
  align-items: center;
}

@media (max-width: 991px) {
  .de-care-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

.de-care-image-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--de-shadow-elevated);
}

.de-care-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.6s var(--de-ease-fluid);
}

.de-care-image-wrap:hover img {
  transform: scale(1.03);
}

.de-care-image-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(11, 30, 56, 0.92);
  border: 1px solid rgba(0, 180, 216, 0.35);
  backdrop-filter: blur(14px);
  padding: 12px 20px;
  border-radius: 12px;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.de-care-image-badge i {
  color: var(--de-aqua-pure);
  font-size: 18px;
}

/* --- 17. SECTION 15 — EXPLORE RELATED EYE CARE --- */
.de-related-section {
  padding: 100px 0;
  background: var(--de-surface-card-subtle);
  position: relative;
}

.de-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

@media (max-width: 1199px) {
  .de-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 575px) {
  .de-related-grid {
    grid-template-columns: 1fr;
  }
}

.de-related-card {
  background: #FFFFFF;
  border: 1px solid var(--de-border-light);
  border-radius: 16px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 150px;
  box-shadow: var(--de-shadow-soft);
  transition: all 0.3s var(--de-ease-smooth);
}

.de-related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--de-shadow-medium);
  border-color: var(--de-blue-primary);
  color: inherit;
}

.de-related-idx {
  font-family: var(--de-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--de-blue-primary);
}

.de-related-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--de-text-heading);
  margin-top: 6px;
}

.de-related-link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--de-blue-primary);
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--de-border-light);
}

.de-related-card:hover .de-related-link-row i {
  transform: translateX(4px);
}

.de-related-link-row i {
  transition: transform 0.2s ease;
}

/* --- 18. SECTION 16 — FINAL CTA & APPOINTMENT FORM --- */
.de-cta-section {
  padding: 120px 0;
  background: radial-gradient(100% 120% at 50% 20%, #0E274A 0%, var(--de-navy-deep) 100%);
  color: #FFFFFF;
  position: relative;
}

.de-cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

@media (max-width: 991px) {
  .de-cta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.de-cta-headline {
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.de-cta-desc {
  font-size: 16px;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 30px;
}

.de-cta-contact-pills {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.de-cta-pill-row {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #E2E8F0;
  font-size: 15px;
}

.de-cta-pill-row i {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(0, 180, 216, 0.18);
  color: var(--de-aqua-pure);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.de-cta-pill-row a {
  color: #FFFFFF;
  font-weight: 700;
  text-decoration: none;
}
.de-cta-pill-row a:hover {
  color: var(--de-cyan-vibrant);
}

/* Appointment Form Card */
.de-appointment-card {
  background: rgba(16, 42, 78, 0.9);
  border: 1px solid rgba(0, 180, 216, 0.3);
  border-radius: 24px;
  padding: 38px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.de-appointment-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.de-appointment-card p {
  font-size: 13.5px;
  color: #CBD5E1;
  margin-bottom: 22px;
}

.de-form-group {
  margin-bottom: 16px;
}

.de-form-group label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: #CBD5E1;
  margin-bottom: 6px;
}

.de-form-input {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  color: #FFFFFF;
  font-size: 14.5px;
  font-family: inherit;
  transition: all 0.2s ease;
}

.de-form-input:focus {
  outline: none;
  border-color: var(--de-cyan-vibrant);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 12px rgba(0, 180, 216, 0.25);
}

.de-form-input::placeholder {
  color: #94A3B8;
}

select.de-form-input option {
  background: #0E274A;
  color: #FFFFFF;
}

.de-form-status {
  display: none;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13.5px;
  margin-top: 14px;
}

.de-form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.18);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #6EE7B7;
}

.de-form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.18);
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: #FCA5A5;
}

/* --- 19. ACCESSIBILITY & REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}