:root {
  /* DARK Theme Core Color Scheme (Teal Accent Health Styling) */
  --di-color-base: #0a0e17;
  --di-color-surface: #121926;
  --di-color-surface-dark: #070b12;
  --di-color-accent: #00f2fe;
  --di-color-accent-hover: #05d0db;
  --di-color-accent-glow: rgba(0, 242, 254, 0.2);
  --di-color-text-bright: #ffffff;
  --di-color-text-normal: #94a3b8;
  --di-color-text-muted: #64748b;
  --di-color-border: #1e293b;
  
  /* Typography Configuration */
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Mulish', sans-serif;
  
  /* Layout Constraints & Styles */
  --di-max-width: 1140px;
  --di-radius-curve: 16px; /* Soft structural style */
  --di-shadow-depth: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4); /* Raised style */
}

/* GENERAL CUSTOM RESETS & TYPOGRAPHY */
body {
  font-family: var(--font-body);
  background-color: var(--di-color-base);
  color: var(--di-color-text-normal);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--di-color-text-bright);
}

.di-outer-wrap {
  position: relative;
  width: 100%;
}

/* DECORATIVE VECTOR LAYER */
.di-decor-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* SHELL WRAPPER (CONTAINER RULE) */
.di-shell {
  width: 100%;
  max-width: var(--di-max-width);
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 10;
}

/* HEADER STYLE bar */
.di-top-banner {
  width: 100%;
  height: 80px;
  background-color: rgba(10, 14, 23, 0.9);
  border-bottom: 1px solid var(--di-color-border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.di-brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: var(--di-color-text-bright);
}

.di-logo-icon {
  width: 40px;
  height: 40px;
}

/* Desktop Only Header Element */
@media (max-width: 1023px) {
  .di-desktop-nodes {
    display: none;
  }
}

/* MAIN LAYOUT WRAPPER */
.di-canvas {
  flex: 1;
  position: relative;
  z-index: 10;
}

/* PRODUCT MAIN PORTION (PRESET B - IMAGE RIGHT + COMPACT LEFT CONTENT) */
.di-core-layout {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .di-core-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .di-core-left {
    flex: 0 0 55%;
    max-width: 55%;
  }
  
  .di-core-right {
    flex: 0 0 45%;
    max-width: 45%;
  }
}

/* LEFT SIDE TYPOGRAPHY */
.di-prime-title {
  font-size: 2.25rem;
  line-height: 1.2;
  letter-spacing: 0.5px;
  text-transform: uppercase; /* Heading case option */
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .di-prime-title {
    font-size: 3rem;
  }
}

.di-prime-sub {
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--di-color-text-bright);
  margin-bottom: 1.5rem;
}

.di-prime-detailing {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--di-color-text-normal);
  margin-bottom: 2rem;
}

/* BENEFIT PILLS */
.di-badge-item {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--di-color-border);
  border-radius: 999px; /* Pill layout standard */
  text-transform: uppercase;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--di-color-accent);
}

/* MINI STRIPE ICONS ROW */
.di-mini-feature-stripe {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  border-top: 1px dashed var(--di-color-border);
  border-bottom: 1px dashed var(--di-color-border);
  margin-bottom: 2.5rem;
}

.di-stripe-icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--di-color-accent-glow);
  color: var(--di-color-accent);
}

/* STICKY CTA CONTAINER BLOCK FOR METABOLIC ACTION */
.di-purchase-trigger {
  background-color: var(--di-color-surface);
  border: 1px solid var(--di-color-border);
  border-radius: var(--di-radius-curve);
  padding: 1.5rem;
  box-shadow: var(--di-shadow-depth);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .di-purchase-trigger {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .di-purchase-trigger {
    position: sticky;
    bottom: 24px;
    z-index: 30;
  }
}

.di-price-zone {
  display: flex;
  flex-direction: column;
}

.di-price-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--di-color-text-muted);
  letter-spacing: 1px;
}

/* Price displaying as ACCENT BACKGROUND BADGE style */
.di-price-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--di-color-base);
  background-color: var(--di-color-accent);
  padding: 0.25rem 0.85rem;
  border-radius: 6px;
  margin-top: 0.25rem;
}

.di-btn-zone {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
  max-width: 100%;
}

@media (min-width: 768px) {
  .di-btn-zone {
    max-width: 250px;
  }
}

.di-action-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--di-color-base);
  background: linear-gradient(135deg, var(--di-color-accent) 0%, var(--di-color-accent-hover) 100%);
  border: none;
  border-radius: var(--di-radius-curve);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.4);
  transition: all 0.25s ease;
  text-decoration: none;
}

.di-action-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.6);
}

.di-action-link:active {
  transform: translateY(1px);
}

/* Guarantee badge: icon-left style */
.di-safety-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--di-color-text-muted);
}

/* RIGHT SIDE VISUAL WRAPPER */
.di-visuals {
  background-color: var(--di-color-surface);
  border: 1.5px solid var(--di-color-border);
  border-radius: var(--di-radius-curve);
  padding: 2.5rem;
  box-shadow: var(--di-shadow-depth);
  position: relative;
  overflow: hidden;
}

.di-visuals img {
  max-width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.6));
}

/* SECTIONS BASELINE DECK */
.di-neutral-deck {
  background-color: var(--di-color-surface-dark);
  border-top: 1px solid var(--di-color-border);
  border-bottom: 1px solid var(--di-color-border);
}

.di-section-head {
  font-size: 1.75rem;
  line-height: 1.3;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .di-section-head {
    font-size: 2.25rem;
  }
}

/* FEATURES SECTION (Preset B - 2-Column Grid) */
.di-feature-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

.di-feature-node {
  background-color: var(--di-color-surface);
  border: 1px solid var(--di-color-border);
  border-radius: var(--di-radius-curve);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

@media (min-width: 1024px) {
  .di-feature-node {
    flex-direction: row;
    align-items: flex-start;
  }
}

.di-feature-node:hover {
  transform: translateY(-4px);
  border-color: var(--di-color-accent);
}

.di-node-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  min-width: 64px;
  border-radius: 50%;
  background-color: rgba(0, 242, 254, 0.1);
  color: var(--di-color-accent);
  box-shadow: inset 0 0 10px rgba(0, 242, 254, 0.15);
}

.di-node-circle svg {
  width: 32px;
  height: 32px;
}

.di-node-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.di-node-desc {
  font-size: 0.925rem;
  line-height: 1.5;
  color: var(--di-color-text-normal);
}

/* TESTIMONIALS SECTION (Preset B - Horizontal Cards, Quotes Background) */
.di-opinion-roll {
  background-color: var(--di-color-base);
}

.di-opinion-node {
  background-color: var(--di-color-surface-dark); /* Slightly darker background color option */
  border: 1.5px solid var(--di-color-border);
  border-radius: var(--di-radius-curve);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--di-shadow-depth);
}

.di-quote-decor {
  position: absolute;
  top: -15px;
  right: 25px;
  font-family: Georgia, serif;
  font-size: 10rem;
  color: var(--di-color-border);
  opacity: 0.25;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.di-avatar-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--di-color-accent);
  color: var(--di-color-base);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.di-star-icon {
  width: 18px;
  height: 18px;
  color: #fbbf24;
}

.di-opinion-text {
  font-style: italic;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--di-color-text-normal);
  margin-top: 1.25rem;
  position: relative;
  z-index: 10;
}

/* FOOTER STYLING */
.di-footer-plate {
  width: 100%;
  background-color: var(--di-color-surface-dark);
  border-top: 1px solid var(--di-color-border);
}

.di-footer-link {
  color: var(--di-color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.di-footer-link:hover {
  color: var(--di-color-accent);
}

/* ACCESSIBILITY & CONTRAST RATIO SUPPORT */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}