:root {
  /* Site Theme: DARK */
  --zx-bg: #0B0F17;
  --zx-surface: #161F30;
  --zx-tone: #00F0FF;
  --zx-tone-hover: #00D0E0;
  --zx-ink: #FFFFFF;
  --zx-ink-muted: #94A3B8;
  --zx-gradient: linear-gradient(135deg, #00F0FF 0%, #7000FF 100%);
  --zx-border: rgba(255, 255, 255, 0.08);

  /* Fonts configuration */
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Poppins', sans-serif;

  /* Container width config */
  --zx-max-width: 1180px;

  /* Border radius style config: soft (12-20px) */
  --zx-radius: 16px;

  /* Shadow depth config: raised */
  --zx-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
}

/* Global Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--zx-bg);
  color: var(--zx-ink);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header styling */
.zx-header-strip {
  background-color: #06090F;
  border-bottom: 1px solid var(--zx-border);
  padding: 1.25rem 2rem;
  z-index: 20;
  position: relative;
  width: 100%;
}

.zx-header-content {
  max-width: var(--zx-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.zx-header-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.zx-logo-svg {
  color: var(--zx-tone);
}

.zx-header-logo-text {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--zx-ink);
}

.zx-abstract-decor {
  display: none;
}

@media (min-width: 768px) {
  .zx-abstract-decor {
    display: block;
  }
}

/* Main Layout Setup */
.zx-main-holder {
  flex: 1;
  position: relative;
  padding: 3rem 1.5rem;
  width: 100%;
  max-width: var(--zx-max-width);
  margin: 0 auto;
  z-index: 10;
}

.zx-bg-pattern-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Product Section - Preset A: Split Sticky */
.zx-product-split {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-bottom: 5rem;
}

@media (min-width: 992px) {
  .zx-product-split {
    flex-direction: row;
    align-items: flex-start;
  }
}

.zx-product-image-sticky {
  width: 100%;
}

@media (min-width: 992px) {
  .zx-product-image-sticky {
    width: 40%;
    position: sticky;
    top: 2rem;
    align-self: flex-start;
  }
}

.zx-main-image-frame {
  background: var(--zx-surface);
  border-radius: var(--zx-radius);
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--zx-shadow);
  border: 1px solid var(--zx-border);
}

.zx-main-image-frame img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
}

.zx-product-content-right {
  width: 100%;
}

@media (min-width: 992px) {
  .zx-product-content-right {
    width: 60%;
  }
}

/* Headings configuration: uppercase */
.zx-main-heading {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  color: var(--zx-ink);
  letter-spacing: 0.03em;
}

@media (min-width: 768px) {
  .zx-main-heading {
    font-size: 3rem;
  }
}

.zx-sub-intro {
  font-size: 1.15rem;
  color: var(--zx-ink-muted);
  margin-bottom: 2rem;
}

.zx-desc-panel {
  background: rgba(22, 31, 48, 0.5);
  border-left: 4px solid var(--zx-tone);
  padding: 1.5rem;
  border-radius: 0 var(--zx-radius) var(--zx-radius) 0;
  margin-bottom: 2rem;
}

.zx-panel-paragraph {
  font-size: 1rem;
  color: var(--zx-ink);
}

/* Features vertical list */
.zx-feature-vertical-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.zx-vertical-list-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.zx-vertical-list-icon {
  background: rgba(0, 240, 255, 0.1);
  color: var(--zx-tone);
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.zx-v-item-title {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--zx-ink);
  margin-bottom: 0.25rem;
}

.zx-v-item-desc {
  font-size: 0.95rem;
  color: var(--zx-ink-muted);
}

/* Guarantee badge configuration: icon-left */
.zx-guarantee-left-badge {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--zx-border);
  padding: 1.25rem;
  border-radius: var(--zx-radius);
  margin-bottom: 2.5rem;
}

.zx-badge-icon {
  color: var(--zx-tone);
  background: rgba(0, 240, 255, 0.05);
  padding: 0.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.zx-badge-text-block {
  display: flex;
  flex-direction: column;
}

.zx-badge-text-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--zx-ink);
}

.zx-badge-text-sub {
  font-size: 0.85rem;
  color: var(--zx-ink-muted);
}

/* Pricing and CTA */
.zx-pricing-cta-card {
  background: var(--zx-surface);
  border-radius: var(--zx-radius);
  padding: 2rem;
  border: 1px solid var(--zx-border);
  box-shadow: var(--zx-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 576px) {
  .zx-pricing-cta-card {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Price display configuration: badge */
.zx-price-badge-unit {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

@media (min-width: 576px) {
  .zx-price-badge-unit {
    align-items: flex-start;
  }
}

.zx-price-label {
  font-size: 0.85rem;
  color: var(--zx-tone);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.zx-price-amount {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--zx-ink);
  line-height: 1.1;
}

/* CTA anchor styling */
.zx-cta-anchor {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background: var(--zx-gradient);
  color: var(--zx-bg);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 3rem;
  border-radius: var(--zx-radius);
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
  width: 100%;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
}

@media (min-width: 576px) {
  .zx-cta-anchor {
    width: auto;
  }
}

.zx-cta-anchor:hover, .zx-cta-anchor:focus {
  transform: translateY(-2px);
  filter: brightness(1.1);
  outline: none;
}

.zx-cta-anchor:active {
  transform: translateY(0);
}

/* Features Section (After product split, 3 horizontal rows) */
.zx-horizontal-feats-section {
  padding-top: 3rem;
  border-top: 1px solid var(--zx-border);
  margin-bottom: 5rem;
}

.zx-section-heading {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: 0.03em;
}

.zx-horizontal-feats-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.zx-horizontal-feat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  background: var(--zx-surface);
  padding: 2rem;
  border-radius: var(--zx-radius);
  border: 1px solid var(--zx-border);
  box-shadow: var(--zx-shadow);
  text-align: center;
}

@media (min-width: 768px) {
  .zx-horizontal-feat-item {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
  }
}

.zx-feature-circle {
  background: rgba(0, 240, 255, 0.1);
  color: var(--zx-tone);
  padding: 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.zx-horizontal-feat-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--zx-ink);
}

.zx-horizontal-feat-text p {
  color: var(--zx-ink-muted);
  font-size: 0.95rem;
}

/* Testimonials Section (2 columns grid, cards with colored border-top 4px) */
.zx-testimonials-section {
  background: #06090F;
  border-radius: var(--zx-radius);
  padding: 3rem 1.5rem;
  border: 1px solid var(--zx-border);
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .zx-testimonials-section {
    padding: 4rem 3rem;
  }
}

.zx-section-intro {
  text-align: center;
  color: var(--zx-ink-muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.zx-testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

.zx-testimonial-item-card {
  background: var(--zx-surface);
  border-radius: var(--zx-radius);
  padding: 2rem;
  position: relative;
  border: 1px solid var(--zx-border);
  border-top: 4px solid var(--zx-tone);
  box-shadow: var(--zx-shadow);
}

.zx-testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

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

.zx-testimonial-name {
  display: block;
  font-size: 1.05rem;
  color: var(--zx-ink);
}

.zx-testimonial-stars {
  color: #FFD700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.zx-testimonial-text {
  font-size: 0.95rem;
  color: var(--zx-ink-muted);
  font-style: italic;
  line-height: 1.5;
}

/* Footer Section */
.zx-footer-strip {
  background-color: #06090F;
  border-top: 1px solid var(--zx-border);
  padding: 3rem 2rem 1.5rem;
  width: 100%;
  z-index: 20;
}

.zx-footer-content {
  max-width: var(--zx-max-width);
  margin: 0 auto 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.zx-footer-brand {
  max-width: 400px;
}

.zx-footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.zx-footer-logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--zx-ink);
}

.zx-footer-brand-desc {
  font-size: 0.9rem;
  color: var(--zx-ink-muted);
}

.zx-footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-style: normal;
}

.zx-footer-links a {
  color: var(--zx-ink-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}

.zx-footer-links a:hover, .zx-footer-links a:focus {
  color: var(--zx-tone);
  outline: none;
}

.zx-footer-copyright {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
}