:root {
  /* Theme: LIGHT Palette */
  --vm-bg: #F8FAF9;
  --vm-surface: #FFFFFF;
  --vm-tone: #0D9488;
  --vm-tone-hover: #0F766E;
  --vm-tone-light: #E6F4F1;
  --vm-ink: #1E293B;
  --vm-ink-muted: #64748B;
  --vm-border: #E2E8F0;
  --vm-gradient: linear-gradient(135deg, #0D9488 0%, #0284C7 100%);
  
  /* Fonts */
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Preset parameters */
  --vm-container-width: 1140px;
  --vm-border-radius: 14px;
  --vm-shadow: 0 10px 25px -5px rgba(13, 148, 136, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Header */
.vm-top-bar {
  width: 100%;
  background-color: var(--vm-surface);
  border-bottom: 1px solid var(--vm-border);
  position: relative;
  z-index: 20;
}

.vm-header-inner {
  max-width: var(--vm-container-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.vm-brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--vm-tone);
}

.vm-brand-icon {
  width: 32px;
  height: 32px;
}

.vm-brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--vm-ink);
  text-transform: uppercase;
}

.vm-desktop-decor {
  display: none;
  color: var(--vm-tone);
  opacity: 0.6;
}

@media (min-width: 768px) {
  .vm-desktop-decor {
    display: block;
    width: 120px;
  }
}

/* Main Container & Pattern */
.vm-main-frame {
  flex: 1;
  position: relative;
  width: 100%;
}

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

/* Hero Split Section (Preset A: Split Sticky) */
.vm-hero-section {
  position: relative;
  z-index: 10;
  max-width: var(--vm-container-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.vm-split-view {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .vm-split-view {
    flex-direction: row;
    align-items: flex-start;
  }

  .vm-sticky-media {
    width: 40%;
    position: sticky;
    top: 2rem;
    align-self: flex-start;
  }

  .vm-panel-details {
    width: 60%;
  }
}

/* Media Block */
.vm-image-container {
  background-color: var(--vm-surface);
  border-radius: var(--vm-border-radius);
  padding: 2rem;
  box-shadow: var(--vm-shadow);
  border: 1px solid var(--vm-border);
  display: flex;
  justify-content: center;
  align-items: center;
}

.vm-product-img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* Panel Details */
.vm-panel-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.vm-badge-tag {
  display: inline-block;
  background-color: var(--vm-tone-light);
  color: var(--vm-tone);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.vm-main-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--vm-ink);
}

.vm-sub-headline {
  font-size: 1.15rem;
  color: var(--vm-ink-muted);
  margin-top: 0.5rem;
}

.vm-desc-card {
  background-color: var(--vm-surface);
  padding: 1.25rem;
  border-radius: var(--vm-border-radius);
  border-left: 4px solid var(--vm-tone);
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.vm-desc-text {
  color: var(--vm-ink);
  font-size: 0.975rem;
  line-height: 1.6;
}

.vm-quick-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.vm-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--vm-ink);
}

.vm-bullet-icon {
  width: 20px;
  height: 20px;
  color: var(--vm-tone);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* Guarantee Shield (Icon-Left) */
.vm-shield-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--vm-surface);
  border: 1px dashed var(--vm-tone);
  padding: 1rem 1.25rem;
  border-radius: var(--vm-border-radius);
}

.vm-shield-svg {
  width: 32px;
  height: 32px;
  color: var(--vm-tone);
  flex-shrink: 0;
}

.vm-shield-text {
  display: flex;
  flex-direction: column;
  font-size: 0.875rem;
}

.vm-shield-text strong {
  color: var(--vm-ink);
  font-family: var(--font-display);
  text-transform: uppercase;
}

.vm-shield-text span {
  color: var(--vm-ink-muted);
}

/* Pricing Tag & CTA */
.vm-pricing-box {
  background-color: var(--vm-surface);
  padding: 1.5rem;
  border-radius: var(--vm-border-radius);
  box-shadow: var(--vm-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border: 1px solid var(--vm-border);
}

@media (min-width: 480px) {
  .vm-pricing-box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.vm-price-display {
  display: flex;
  flex-direction: column;
}

.vm-price-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--vm-ink-muted);
  font-weight: 600;
}

/* Price Display: Tag Style */
.vm-price-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--vm-tone);
  background-color: var(--vm-tone-light);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  margin-top: 0.25rem;
  width: fit-content;
}

.vm-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--vm-gradient);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: var(--vm-border-radius);
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
  transition: all 0.2s ease;
}

.vm-action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.45);
}

.vm-btn-arrow {
  width: 20px;
  height: 20px;
}

/* Features Section (Preset A: Horizontal Rows) */
.vm-perks-stripe {
  background-color: var(--vm-surface);
  border-top: 1px solid var(--vm-border);
  border-bottom: 1px solid var(--vm-border);
  padding: 4rem 1.5rem;
  position: relative;
  z-index: 10;
}

.vm-perks-inner {
  max-width: var(--vm-container-width);
  margin: 0 auto;
}

.vm-section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.75rem;
  text-transform: uppercase;
  text-align: center;
  color: var(--vm-ink);
  margin-bottom: 2.5rem;
}

.vm-perks-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.vm-perk-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background-color: var(--vm-bg);
  padding: 1.5rem;
  border-radius: var(--vm-border-radius);
  border: 1px solid var(--vm-border);
}

.vm-perk-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--vm-tone-light);
  color: var(--vm-tone);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.vm-perk-icon svg {
  width: 28px;
  height: 28px;
}

.vm-perk-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--vm-ink);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
}

.vm-perk-desc {
  color: var(--vm-ink-muted);
  font-size: 0.95rem;
}

/* Testimonials Section (Preset A: Grid with Colored Top Border) */
.vm-feedback-zone {
  padding: 4rem 1.5rem;
  position: relative;
  z-index: 10;
}

.vm-feedback-inner {
  max-width: var(--vm-container-width);
  margin: 0 auto;
}

.vm-feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .vm-feedback-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.vm-review-box {
  background-color: var(--vm-surface);
  padding: 1.5rem;
  border-radius: var(--vm-border-radius);
  border-top: 4px solid var(--vm-tone);
  box-shadow: var(--vm-shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vm-review-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.vm-avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--vm-tone-light);
  color: var(--vm-tone);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vm-reviewer-meta {
  display: flex;
  flex-direction: column;
}

.vm-reviewer-name {
  font-size: 0.95rem;
  color: var(--vm-ink);
}

.vm-stars-row {
  color: #F59E0B;
  font-size: 0.85rem;
  letter-spacing: 2px;
}

.vm-review-text {
  font-size: 0.925rem;
  color: var(--vm-ink-muted);
  font-style: italic;
  line-height: 1.5;
}

/* Footer */
.vm-site-footer {
  width: 100%;
  background-color: var(--vm-ink);
  color: #F8FAFC;
  padding: 2.5rem 1.5rem;
  margin-top: auto;
  position: relative;
  z-index: 20;
}

.vm-footer-inner {
  max-width: var(--vm-container-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.vm-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.vm-footer-brand .vm-brand-link {
  color: #FFFFFF;
}

.vm-footer-brand .vm-brand-name {
  color: #FFFFFF;
}

.vm-footer-copy {
  font-size: 0.85rem;
  color: #94A3B8;
}

.vm-footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .vm-footer-nav {
    flex-direction: row;
    gap: 1.5rem;
  }
}

.vm-footer-link {
  color: #CBD5E1;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.vm-footer-link:hover {
  color: #FFFFFF;
}