/* ==========================================================================
   NEUROPRIME REVIEWS - HIGH-CONVERSION RESPONSIVE DESIGN SYSTEM
   Modern Pure-White Aesthetic with Official Royal Purple & Tangerine Accents
   Fully Optimized for Mobile, Tablet, and Desktop (Core Web Vitals & Accessibility)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Surface & Background */
  --bg-page: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-card: #ffffff;
  --bg-elevated: #f1f5f9;
  
  /* Borders */
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-focus: #f97316;
  
  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  
  /* Brand Secondary Colors (from official site) */
  --brand-purple: #6b21a8;
  --brand-purple-dark: #581c87;
  --brand-purple-light: #faf5ff;
  --brand-purple-border: #d8b4fe;
  
  --brand-orange: #ea580c;
  --brand-orange-hover: #c2410c;
  --brand-orange-light: #fff7ed;
  
  --accent-blue: #2563eb;
  --accent-blue-light: #eff6ff;
  --accent-blue-border: #bfdbfe;
  
  --accent-emerald: #059669;
  --accent-emerald-light: #ecfdf5;
  
  --accent-amber: #d97706;
  --accent-amber-light: #fffbeb;
  
  --accent-rose: #e11d48;
  --accent-rose-light: #fff1f2;
  
  /* Gradients */
  --grad-cta-orange: linear-gradient(180deg, #ff7a1a 0%, #ea580c 100%);
  --grad-cta-hover: linear-gradient(180deg, #ea580c 0%, #c2410c 100%);
  --grad-purple-banner: linear-gradient(135deg, #7e22ce 0%, #581c87 100%);
  --grad-hero: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Layout */
  --max-width: 1160px;
  --content-width: 860px;
  --header-height: 70px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.08);
  --shadow-orange: 0 4px 16px rgba(234, 88, 12, 0.35);
  --shadow-featured: 0 10px 30px rgba(234, 88, 12, 0.16);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-page);
  color: var(--text-secondary);
}

img, picture, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--brand-purple);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--brand-orange);
  text-decoration: underline;
}

/* Skip link for Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--brand-orange);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

/* ==========================================================================
   HEADER & RESPONSIVE NAVIGATION
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  min-height: 64px;
  background-color: #111827;
  border-bottom: 2px solid #1f2937;
  z-index: 1000;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.01em;
  text-decoration: none !important;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-link svg {
  color: #fb923c;
  flex-shrink: 0;
}

.logo-badge {
  font-size: 0.68rem;
  background: rgba(234, 88, 12, 0.2);
  color: #fb923c;
  border: 1px solid rgba(234, 88, 12, 0.4);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-links li {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-links a {
  color: #cbd5e1;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap !important;
  line-height: 1.2;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background: #1f2937;
  text-decoration: none;
}

.nav-cta-btn {
  background: var(--grad-cta-orange) !important;
  color: #ffffff !important;
  font-weight: 800 !important;
  padding: 8px 16px !important;
  border-radius: var(--radius-full) !important;
  box-shadow: var(--shadow-orange);
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
  text-transform: uppercase;
  font-size: 0.82rem !important;
  letter-spacing: 0.04em;
  white-space: nowrap !important;
  margin-left: 6px;
  flex-shrink: 0;
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  background: var(--grad-cta-hover) !important;
  box-shadow: 0 6px 18px rgba(234, 88, 12, 0.45);
}

.mobile-menu-toggle {
  display: none;
  background: #1f2937;
  border: 1px solid #374151;
  color: #ffffff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

/* ==========================================================================
   BREADCRUMBS & LAYOUT
   ========================================================================== */

.breadcrumb-nav {
  max-width: var(--max-width);
  margin: 16px auto 0;
  padding: 0 20px;
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  color: var(--text-muted);
}

.breadcrumb-list a {
  color: var(--text-secondary);
  font-weight: 500;
}

.breadcrumb-list a:hover {
  color: var(--brand-purple);
}

.breadcrumb-separator {
  user-select: none;
  color: var(--text-dim);
}

.main-wrapper {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.content-article {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.22;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(1.85rem, 3.8vw, 2.65rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: #0f172a;
}

h2 {
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 700;
  margin-top: 44px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f1f5f9;
  color: #1e293b;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 700;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--brand-purple);
}

p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
}

ul, ol {
  margin-bottom: 24px;
  padding-left: 22px;
  color: var(--text-secondary);
  font-size: 1rem;
}

li {
  margin-bottom: 8px;
}

strong {
  color: var(--text-primary);
  font-weight: 700;
}

/* ==========================================================================
   TRUST & METADATA
   ========================================================================== */

.trust-meta-box {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 28px;
  font-size: 0.85rem;
}

.trust-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.trust-meta-item strong {
  color: var(--text-secondary);
  font-weight: 600;
}

.trust-tag-verified {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-emerald);
  font-weight: 700;
}

.takeaway-card {
  background: #fdf4ff;
  border: 1px solid var(--brand-purple-border);
  border-left: 5px solid var(--brand-purple);
  border-radius: var(--radius-md);
  padding: 22px;
  margin: 28px 0 36px;
  box-shadow: var(--shadow-sm);
}

.takeaway-card h2,
.takeaway-card h3 {
  border-bottom: none;
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: var(--brand-purple-dark);
}

.takeaway-card ul {
  margin-bottom: 0;
}

.alert-box {
  padding: 18px 24px;
  border-radius: var(--radius-md);
  margin: 32px 0;
  font-size: 0.96rem;
  line-height: 1.65;
  border-left: 5px solid;
}

.alert-warning {
  background: var(--accent-amber-light);
  border-color: var(--accent-amber);
  color: #92400e;
}

.alert-warning strong {
  color: #78350f;
}

.alert-danger {
  background: var(--accent-rose-light);
  border-color: var(--accent-rose);
  color: #9f1239;
}

.alert-danger strong {
  color: #881337;
}

.alert-info {
  background: var(--accent-blue-light);
  border-color: var(--accent-blue);
  color: #1e40af;
}

/* ==========================================================================
   PRODUCT HERO SECTION & SCORECARD
   ========================================================================== */

.product-review-hero {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 32px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 28px 0 40px;
  box-shadow: var(--shadow-md);
  align-items: center;
}

.hero-image-wrap {
  position: relative;
  text-align: center;
  background: radial-gradient(circle, #f8fafc 0%, #ffffff 80%);
  padding: 16px;
  border-radius: var(--radius-md);
}

.hero-image-wrap img {
  margin: 0 auto;
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.12));
}

/* Product Review Details */
.product-review-details h2 {
  border-bottom: none;
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 1.85rem;
  color: var(--text-primary);
}

.hero-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
}

.hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.35;
}

.hero-feature-item svg {
  color: #059669;
  flex-shrink: 0;
  margin-top: 2px;
}

.hero-guarantee-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fffcf8;
  border: 1px solid #fed7aa;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin: 20px 0 24px;
  font-size: 0.9rem;
}

.hero-guarantee-strip strong {
  color: #ea580c;
}

.hero-price-highlight {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #1e3a8a;
}

.cta-container {
  margin: 44px 0;
  padding: 8px 0;
  text-align: center;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--grad-cta-orange);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-orange);
  transition: all 0.2s ease;
  text-decoration: none !important;
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.cta-button:hover {
  background: var(--grad-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(234, 88, 12, 0.45);
}

.cta-subtext {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 14px;
  line-height: 1.5;
  text-align: center;
}

/* Quality & Manufacturing Seals Bar (from official website) */
.quality-seals-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px 18px;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin: 24px 0 36px;
  box-shadow: var(--shadow-sm);
}

.seal-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.seal-pill.usa-pill {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e40af;
}

/* Free Shipping Callout Banner (from official website) */
.free-shipping-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  color: #ffffff;
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  font-size: 1.05rem;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
  margin: 28px 0 16px;
  text-align: center;
}

.free-shipping-banner span {
  color: #fef08a;
  text-decoration: underline;
}

/* Customer Experience Cards (from official website) */
.customer-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 28px 0 36px;
}

.customer-review-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.customer-review-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.customer-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.customer-quote {
  font-size: 0.95rem;
  font-style: italic;
  color: #334155;
  line-height: 1.55;
  margin-bottom: 14px;
}

.customer-author {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 800;
  color: #0f172a;
}

.customer-verified-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #059669;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* Responsive adjustment for customer reviews */
@media (max-width: 860px) {
  .customer-reviews-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ==========================================================================
   OFFICIAL VENDOR PRICING SECTION (RESPONSIVE PC, TABLET, MOBILE)
   ========================================================================== */

.official-pricing-section {
  margin: 40px 0 50px;
}

.pricing-banner-purple {
  background: var(--grad-purple-banner);
  color: #ffffff;
  text-align: center;
  padding: 18px 16px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: var(--shadow-md);
}

.pricing-banner-purple h2,
.pricing-banner-purple h3 {
  font-family: var(--font-heading);
  color: #ffffff !important;
  font-size: clamp(1.2rem, 2.8vw, 1.75rem);
  font-weight: 800;
  margin: 0;
  padding: 0;
  border: none;
  letter-spacing: -0.01em;
}

.official-pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1.06fr 1fr;
  gap: 14px;
  align-items: stretch;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 24px 14px;
  box-shadow: var(--shadow-md);
}

.pricing-col {
  border: 2px solid #cbd5e1;
  border-radius: var(--radius-lg);
  background: #ffffff;
  padding: 16px 12px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.pricing-col:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.pricing-col.featured-col {
  border: 3px solid #f97316;
  background: #fffcf8;
  box-shadow: var(--shadow-featured);
  transform: scale(1.02);
  z-index: 2;
}

.pricing-col.featured-col:hover {
  transform: scale(1.03) translateY(-3px);
}

.pricing-tier-badge {
  display: block;
  width: 100%;
  padding: 7px 10px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.pricing-col .badge-blue {
  background: #dbeafe;
  color: #1e40af;
}

.pricing-col.featured-col .badge-orange {
  background: #f97316;
  color: #ffffff;
}

.pricing-bottle-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  color: #1e3a8a;
  margin-bottom: 2px;
}

.pricing-supply-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 10px;
}

.pricing-bottle-visual {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 6px 0 14px;
  padding: 4px;
}

.pricing-bottle-visual img {
  max-height: 175px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.1));
}

.pricing-amount-row {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: #1e3a8a;
  line-height: 1;
  margin-top: 10px;
  margin-bottom: 22px;
}

.pricing-amount-row span {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.btn-buy-now {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(180deg, #ff6b00 0%, #e03e00 100%);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid #b83200;
  box-shadow: 0 4px 12px rgba(224, 62, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  text-decoration: none !important;
  transition: all 0.15s ease;
  margin: 10px 0 12px;
  cursor: pointer;
}

.btn-buy-now:hover {
  background: linear-gradient(180deg, #ff7a1a 0%, #f04800 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(224, 62, 0, 0.5);
}

.pricing-total-text {
  font-size: 0.95rem;
  font-weight: 800;
  color: #1e293b;
  margin-top: 6px;
  line-height: 1.4;
}

.pricing-free-shipping {
  display: block;
  font-size: 0.8rem;
  color: #dc2626;
  font-weight: 700;
  margin-top: 4px;
}

.payment-methods-row {
  margin-top: 18px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.payment-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 4px 9px;
  font-size: 0.72rem;
  font-weight: 800;
  color: #334155;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   TABLES & MEDIA
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 26px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.93rem;
  min-width: 500px;
}

th {
  background: #f8fafc;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 13px 15px;
  border-bottom: 2px solid var(--border-subtle);
}

td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: top;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: #f8fafc;
}

.feature-media-block {
  margin: 32px 0;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.feature-media-block img {
  width: 100%;
  height: auto;
}

.feature-caption {
  padding: 14px 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #f8fafc;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   FAQS
   ========================================================================== */

.faq-section {
  margin: 40px 0;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  background: #ffffff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 16px 18px;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s ease;
}

.faq-question:hover {
  background: #f8fafc;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--brand-purple);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-left: 10px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 18px;
  background: #ffffff;
}

.faq-item.active .faq-answer {
  max-height: 600px;
  padding: 0 18px 18px;
}

/* ==========================================================================
   FOOTER (With discreet small affiliate disclosure at bottom only)
   ========================================================================== */

.site-footer {
  background: #0f172a;
  border-top: 1px solid #1e293b;
  padding: 44px 20px 28px;
  margin-top: auto;
  font-size: 0.85rem;
  color: #94a3b8;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: #ffffff;
  font-size: 0.98rem;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #fb923c;
}

.footer-legal-disclaimer {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  margin-top: 24px;
  font-size: 0.78rem;
  line-height: 1.65;
  color: #94a3b8;
  text-align: center;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.footer-legal-disclaimer p {
  margin-bottom: 12px;
  color: #94a3b8;
  font-size: 0.78rem;
  line-height: 1.65;
  text-align: center;
}

.site-footer strong,
.footer-legal-disclaimer strong {
  color: #e2e8f0 !important;
  font-weight: 700;
}

.footer-bottom {
  margin-top: 16px;
  text-align: center;
  font-size: 0.78rem;
  color: #94a3b8;
  line-height: 1.6;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS: TABLET & MOBILE
   ========================================================================== */

/* COMPACT DESKTOP (1101px - 1280px) */
@media (min-width: 1101px) and (max-width: 1280px) {
  .header-inner {
    padding: 8px 14px;
    gap: 8px;
  }
  
  .logo-badge {
    display: none;
  }
  
  .nav-links {
    gap: 4px;
  }
  
  .nav-links a {
    font-size: 0.82rem;
    padding: 5px 7px;
  }
  
  .nav-cta-btn {
    padding: 7px 12px !important;
    font-size: 0.78rem !important;
    margin-left: 2px;
  }
}

/* TABLET & MOBILE (< 1100px) */
@media (max-width: 1100px) {
  .header-inner {
    padding: 8px 16px;
  }

  .header-inner nav {
    display: contents;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    width: 42px;
    height: 42px;
    padding: 0;
    font-size: 1.4rem;
    flex-shrink: 0;
  }
  
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #111827;
    border-bottom: 2px solid #1f2937;
    flex-direction: column;
    padding: 20px;
    display: none;
    box-shadow: 0 16px 28px rgba(0, 0, 0, 0.4);
    gap: 10px;
    z-index: 999;
  }
  
  .nav-links.nav-open {
    display: flex;
    animation: slideDown 0.2s ease-out forwards;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-links li {
    width: 100%;
  }
  
  .nav-links a {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 12px 0;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }

  .nav-cta-btn {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 14px 0 !important;
    font-size: 0.95rem !important;
    margin-top: 6px;
    margin-left: 0 !important;
  }
}

/* TABLET LAYOUT ADJUSTMENTS (< 1024px) */
@media (max-width: 1024px) {
  .product-review-hero {
    gap: 20px;
    padding: 24px;
  }

  .official-pricing-grid {
    gap: 10px;
    padding: 20px 10px;
  }

  .pricing-col {
    padding: 14px 8px 18px;
  }

  .pricing-bottle-title {
    font-size: 1.2rem;
  }

  .pricing-amount-row {
    font-size: 2.15rem;
  }

  .btn-buy-now {
    font-size: 1.1rem;
    padding: 11px 12px;
  }
}

  .product-review-hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 20px;
  }

  .product-review-hero .hero-image-wrap {
    max-width: 320px;
    margin: 0 auto;
  }

  .hero-feature-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero-guarantee-strip {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .official-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
    gap: 20px;
  }

  .pricing-col.featured-col {
    transform: none;
    order: -1; /* Place 6 Bottles (Best Value) at the very top on mobile for maximum conversion! */
  }

  .pricing-col.featured-col:hover {
    transform: translateY(-2px);
  }

  .pricing-bottle-visual {
    min-height: 160px;
  }

  .pricing-bottle-visual img {
    max-height: 160px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* SMALL PHONES (< 480px) */
@media (max-width: 480px) {
  .main-wrapper {
    padding: 16px 14px 44px;
  }

  h1 {
    font-size: 1.7rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  .cta-button {
    width: 100%;
    padding: 14px 20px;
    font-size: 0.98rem;
  }

  .pricing-banner-purple {
    padding: 14px 12px;
  }

  .pricing-banner-purple h3 {
    font-size: 1.15rem;
  }
}

/* ==========================================================================
   OFFICIAL WEBSITE CONVERSION BOOSTERS (STYLING)
   ========================================================================== */

/* Customer Review Cards with Authentic Avatars */
.customer-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.customer-avatar-img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #e2e8f0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
  flex-shrink: 0;
}

/* Multi-Bottle Recommendation & Free Shipping Box */
.multi-bottle-shipping-box {
  background: linear-gradient(135deg, #fdf4ff 0%, #fae8ff 100%);
  border: 1.5px solid #d8b4fe;
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 24px 0;
  display: flex;
  align-items: center;
  gap: 22px;
  box-shadow: var(--shadow-sm);
}

.shipping-badge-img {
  width: 90px;
  height: 90px;
  object-fit: contain;
  flex-shrink: 0;
}

.multi-bottle-content h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #581c87;
  margin: 0 0 6px;
}

.multi-bottle-content p {
  margin: 0;
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.5;
}

.multi-bottle-content .rec-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: #ea580c;
  background: #ffedd5;
  border: 1px solid #fdba74;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-top: 6px;
}

/* 7 Potential Benefits Checklist (from Official Website) */
.official-benefits-box {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  margin: 32px 0;
  box-shadow: var(--shadow-sm);
}

.official-benefits-box h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 8px;
}

.benefits-checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 24px;
  margin-top: 18px;
  list-style: none;
  padding: 0;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.benefit-check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #dcfce7;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-text {
  font-size: 0.94rem;
  color: #334155;
  line-height: 1.5;
}

.benefit-text strong {
  color: #0f172a;
}

/* Official 365-Day Guarantee Callout Card */
.official-guarantee-card {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 2px solid #fde68a;
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin: 36px 0;
  display: flex;
  align-items: center;
  gap: 26px;
  box-shadow: var(--shadow-sm);
}

.guarantee-badge-img {
  width: 105px;
  height: 105px;
  object-fit: contain;
  flex-shrink: 0;
}

.official-guarantee-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #92400e;
  margin: 0 0 6px;
}

.official-guarantee-card p {
  font-size: 0.94rem;
  color: #78350f;
  line-height: 1.55;
  margin: 0;
}

/* Pre-Footer Low Price Urgency Card */
.prefooter-urgency-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  margin: 44px 0 20px;
  text-align: center;
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.prefooter-urgency-card h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 10px;
}

.prefooter-urgency-card p {
  font-size: 1rem;
  color: #c7d2fe;
  max-width: 620px;
  margin: 0 auto 20px;
  line-height: 1.55;
}

.prefooter-price-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: #facc15;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .benefits-checklist-grid {
    grid-template-columns: 1fr;
  }

  .multi-bottle-shipping-box {
    flex-direction: column;
    text-align: center;
    gap: 14px;
  }

  .official-guarantee-card {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
}

/* ==========================================================================
   INGREDIENT SPOTLIGHT SHOWCASE (SALES CONVERSION BOOSTER)
   ========================================================================== */

.ingredient-showcase-box {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  margin: 36px 0;
  box-shadow: var(--shadow-sm);
}

.ingredient-showcase-box h2 {
  border-bottom: none;
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.6rem;
  color: #0f172a;
}

.ingredient-showcase-img-wrap {
  text-align: center;
  margin: 24px 0 32px;
}

.ingredient-showcase-img {
  max-width: 820px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border: 1px solid #f1f5f9;
}

.ingredient-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 20px;
  margin: 24px 0 28px;
  list-style: none;
  padding: 0;
}

.ingredient-feature-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ingredient-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: #cbd5e1;
}

.ingredient-feature-card h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: #1e3a8a;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ingredient-feature-card p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.5;
  margin: 0;
}

.ingredient-feature-card.full-width {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .ingredient-feature-grid {
    grid-template-columns: 1fr;
  }
  .ingredient-feature-card.full-width {
    grid-column: auto;
  }
}