:root {
  /* Dynamic CSS Custom Variables Themed for Cardiotensive (DARK theme) */
  --ct-canvas-base: #0B0F19;         /* Core Deep Dark Navy Background */
  --ct-segment-back: #161F30;        /* Card and alternate section background */
  --ct-border-shade: #24324D;        /* Elegant dark navy border tint */
  
  --ct-neon-cyan: #00F2FE;           /* Bright Cyan Accent Color */
  --ct-neon-violet: #9B51E0;         /* Soft Cyber Violet Secondary Accent */
  
  --ct-text-primary: #F8FAFC;        /* Off-white text for ultimate contrast */
  --ct-text-muted: #94A3B8;          /* Soft grey for details and secondary elements */
  
  --ct-glow-cyan-grad: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
  --ct-glow-violet-grad: linear-gradient(135deg, #7F00FF 0%, #FF007F 100%);
  
  --ct-font-display: 'Montserrat', sans-serif;
  --ct-font-body: 'Roboto', sans-serif;
  
  --ct-content-max-width: 1180px;    /* Custom container-width value defined */
  --ct-soft-radius: 16px;            /* Soft style border-radius */
  
  /* Raised depth shadow profile */
  --ct-shadow-raised: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
}

/* GENERAL DESIGN BASIS */
body {
  background-color: var(--ct-canvas-base);
  color: var(--ct-text-primary);
  font-family: var(--ct-font-body);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, .ct-brand-logotype {
  font-family: var(--ct-font-display);
  font-weight: 700;
  text-transform: uppercase; /* Heading Case UPPERCASE constraint applied */
  letter-spacing: 0.05em;
}

/* HEADER STYLE */
.ct-header-bar-fixed {
  background-color: var(--ct-segment-back);
  border-bottom: 1px solid var(--ct-border-shade);
  position: relative;
  width: 100%;
  padding-top: 1rem;
  padding-bottom: 1rem;
  z-index: 20;
}

.ct-header-inner-flex {
  max-width: var(--ct-content-max-width);
}

.ct-brand-logotype {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ct-text-primary);
  background: var(--ct-glow-cyan-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* MAIN CONTAINER FRAMEWORK */
.ct-main-canvas-frame {
  width: 100%;
}

.ct-primary-deal-panel {
  max-width: var(--ct-content-max-width);
  margin: 0 auto;
}

/* PRESET A: SPLIT STICKY LAYOUT */
@media (min-width: 768px) {
  .ct-split-sticky-housing {
    gap: 3.5rem;
  }
  .ct-image-sticky-slot {
    width: 40%;
    position: sticky;
    top: 2rem;
    align-self: flex-start;
  }
  .ct-details-panel {
    width: 60%;
  }
}

.ct-image-sticky-slot {
  position: relative;
  background-color: var(--ct-segment-back);
  border-radius: var(--ct-soft-radius);
  border: 1px solid var(--ct-border-shade);
  padding: 2.5rem;
  box-shadow: var(--ct-shadow-raised);
  overflow: hidden;
}

.ct-central-showcase-pic {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  z-index: 10;
  position: relative;
}

/* Background Ambient Glow */
.ct-glow-halo-effect {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 160px;
  height: 160px;
  background: var(--ct-glow-cyan-grad);
  filter: blur(80px);
  transform: translate(-50%, -50%);
  opacity: 0.35;
  z-index: 0;
}

/* PRODUCT DETAILS & CARD STYLING */
.ct-master-headline {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-top: 0.5rem;
  background: linear-gradient(to right, var(--ct-text-primary), #A5F3FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ct-guarantee-mini-ribbon {
  background-color: rgba(0, 242, 254, 0.1);
  color: var(--ct-neon-cyan);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  display: inline-block;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.ct-lead-prose-holder {
  margin-top: 1.5rem;
  color: var(--ct-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.ct-bullet-bullets-holder {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ct-icon-bullet-point {
  color: var(--ct-neon-cyan);
  margin-right: 0.75rem;
  margin-top: 0.25rem;
  background-color: rgba(0, 242, 254, 0.15);
  border-radius: 50%;
  padding: 0.25rem;
}

/* GUARANTEE BADGE (icon-left style) */
.ct-guarantee-badge-wrap {
  margin-top: 2rem;
  background-color: rgba(22, 31, 48, 0.6);
  border: 1px dashed var(--ct-border-shade);
  border-radius: var(--ct-soft-radius);
  padding: 1.25rem;
}

.ct-badge-shield-circle {
  background-color: rgba(0, 242, 254, 0.1);
  border-radius: 50%;
  padding: 0.75rem;
  margin-right: 1.25rem;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.ct-badge-bold-label {
  font-family: var(--ct-font-display);
  font-weight: 700;
  color: var(--ct-text-primary);
  font-size: 0.95rem;
  text-transform: uppercase;
  display: block;
}

.ct-badge-dim-desc {
  font-size: 0.85rem;
  color: var(--ct-text-muted);
  margin-top: 0.2rem;
}

/* PRICING & INTERACT DECK */
.ct-pricing-interact-deck {
  margin-top: 2.5rem;
  background-color: var(--ct-segment-back);
  border-radius: var(--ct-soft-radius);
  border: 1px solid var(--ct-border-shade);
  padding: 1.5rem;
  box-shadow: var(--ct-shadow-raised);
}

/* Price Badge Display Option */
.ct-price-highlight-badge {
  background: var(--ct-glow-violet-grad);
  border-radius: var(--ct-soft-radius);
  padding: 0.75rem 1.5rem;
  min-width: 150px;
  box-shadow: 0 4px 14px rgba(127, 0, 255, 0.3);
}

.ct-price-prefix-info {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #F8FAFC;
  opacity: 0.85;
  font-weight: 600;
  letter-spacing: 0.05em;
  display: block;
}

.ct-price-numeral {
  font-size: 1.85rem;
  font-weight: 800;
  color: #FFFFFF;
  font-family: var(--ct-font-display);
}

/* CTA Action Button */
.ct-action-trigger-anchor {
  background: var(--ct-glow-cyan-grad);
  color: var(--ct-canvas-base);
  font-family: var(--ct-font-display);
  font-weight: 800;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 2.5rem;
  border-radius: var(--ct-soft-radius);
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .ct-action-trigger-anchor {
    width: auto;
    margin-top: 0;
  }
}

.ct-action-trigger-anchor:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
}

/* FEATURES AREA SECTION (3 Horizontal rows below) */
.ct-landscape-features-area {
  background-color: rgba(22, 31, 48, 0.4);
  border-top: 1px solid var(--ct-border-shade);
  border-bottom: 1px solid var(--ct-border-shade);
}

.ct-scaled-inner-bounds {
  max-width: var(--ct-content-max-width);
}

.ct-section-headline {
  font-size: 2rem;
  line-height: 1.3;
}

.ct-section-lead-paragraph {
  color: var(--ct-text-muted);
  max-width: 700px;
  margin: 0.75rem auto 0 auto;
}

.ct-horizontal-feature-row {
  background-color: var(--ct-segment-back);
  border: 1px solid var(--ct-border-shade);
  border-radius: var(--ct-soft-radius);
  padding: 1.75rem;
  transition: transform 0.2s ease;
}

.ct-horizontal-feature-row:hover {
  transform: translateX(4px);
  border-color: var(--ct-neon-cyan);
}

.ct-feature-icon-outer {
  background-color: rgba(22, 31, 48, 0.8);
  border-radius: 50%;
  padding: 1rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--ct-border-shade);
}

@media (min-width: 768px) {
  .ct-feature-icon-outer {
    margin-bottom: 0;
    margin-right: 1.75rem;
  }
}

.ct-feature-row-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--ct-text-primary);
}

.ct-feature-row-content {
  color: var(--ct-text-muted);
  line-height: 1.6;
}

/* TESTIMONIALS SECTION (Columns structure with visual accents) */
.ct-reviews-testimonial-deck {
  background-color: var(--ct-canvas-base);
}

.ct-reviews-mesh-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .ct-reviews-mesh-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ct-review-feedback-cell {
  background-color: var(--ct-segment-back);
  border-radius: var(--ct-soft-radius);
  border-top: 4px solid var(--ct-neon-cyan); /* Styled top border custom trait */
  border-left: 1px solid var(--ct-border-shade);
  border-right: 1px solid var(--ct-border-shade);
  border-bottom: 1px solid var(--ct-border-shade);
  padding: 1.75rem;
  box-shadow: var(--ct-shadow-raised);
}

.ct-avatar-initials-circle {
  background-color: var(--ct-border-shade);
  color: var(--ct-neon-cyan);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-family: var(--ct-font-display);
}

.ct-reviewer-name {
  font-size: 1rem;
  color: var(--ct-text-primary);
}

.ct-reviewer-city {
  font-size: 0.8rem;
  color: var(--ct-text-muted);
}

.ct-stars-static-row {
  color: #FFC000;
  letter-spacing: 2px;
  font-size: 1.15rem;
}

.ct-review-body-text {
  font-style: italic;
  color: var(--ct-text-muted);
  line-height: 1.6;
  margin-top: 0.5rem;
}

.ct-review-timestamp {
  font-size: 0.75rem;
  color: var(--ct-text-muted);
  text-transform: uppercase;
}

/* FOOTER STYLING */
.ct-footer-plate {
  background-color: var(--ct-segment-back);
  border-top: 1px solid var(--ct-border-shade);
  z-index: 20;
}

.ct-footer-inner-bounds {
  max-width: var(--ct-content-max-width);
}

.ct-footer-link {
  color: var(--ct-text-muted);
  transition: color 0.15s ease;
  font-size: 0.9rem;
}

.ct-footer-link:hover {
  color: var(--ct-neon-cyan);
}

.ct-disclaimer-panel-text {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--ct-text-muted);
}