:root {
  /* Color theme: DARK */
  --ca-bg-deep: #070a13;
  --ca-bg-surface: #0f1626;
  --ca-bg-surface-alt: #17223b;
  
  --ca-color-prime: #f43f5e;       /* Rose-500 */
  --ca-color-prime-hover: #e11d48; /* Rose-600 */
  --ca-color-glow: rgba(244, 63, 94, 0.15);
  
  --ca-ink-pure: #ffffff;
  --ca-ink-dimmed: #94a3b8;        /* Slate-400 */
  --ca-ink-dark: #0f172a;          /* Slate-900 */
  
  --ca-gradient-cta: linear-gradient(135deg, #f43f5e 0%, #be123c 100%);
  
  /* Fonts */
  --ca-font-display: 'Oswald', sans-serif;
  --ca-font-body: 'Lato', sans-serif;
  
  /* Custom layouts */
  --ca-limit-width: 1180px;
  --ca-radius-factor: 16px;       /* Soft borders */
  --ca-shadow-style: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3); /* Deep shadows */
  
  /* Random text settings */
  --ca-heading-case: uppercase;
}

/* Reset and general overrides */
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Base Frame (Unified container) */
.ca-base-frame {
  max-width: var(--ca-limit-width);
  width: 100%;
}

/* Preset A: Split structure implementation */
.ca-main-showcase {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .ca-main-showcase {
    flex-direction: row;
    align-items: flex-start;
    gap: 3.5rem;
  }
  
  .ca-sticky-visuals {
    position: sticky;
    top: 2rem;
    align-self: flex-start;
    width: 40%;
  }

  .ca-info-column {
    width: 60%;
  }
}

/* Feature Strips transitions */
.ca-feat-strip:hover {
  transform: translateY(-4px);
  background-color: var(--ca-bg-surface-alt);
}

/* Testimonials Grid styling */
.ca-feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

@media (min-width: 1024px) {
  .ca-feedback-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* CTA hover effects */
.ca-anchor-trigger {
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(244, 63, 94, 0.4);
}

.ca-anchor-trigger:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(244, 63, 94, 0.6);
  opacity: 0.95;
}

/* Footer link contrast support */
.ca-main-footer nav a:hover {
  color: var(--ca-color-prime);
}