/* ==========================================================================
   CELERISCARE — Official Brand Website Stylesheet
   Luxury Biomimetic Dental Science
   ========================================================================== */

:root {
  /* Color Palette */
  --color-primary: #0a1f38;
  --color-primary-dark: #061324;
  --color-primary-light: #163254;
  --color-accent-teal: #0891b2;
  --color-accent-cyan: #06b6d4;
  --color-accent-mint: #10b981;
  --color-accent-light: #ecfeff;
  --color-blue-soft: #f0f7ff;
  --color-silver: #e2e8f0;
  --color-border: #e2e8f0;
  --color-bg-base: #f8fafc;
  --color-bg-card: #ffffff;
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #94a3b8;
  --color-amazon: #ff9900;
  --color-amazon-dark: #232f3e;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Text", 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "SF Pro Display", 'Segoe UI', Roboto, sans-serif;

  /* Elevation */
  --shadow-sm: 0 1px 3px rgba(10, 31, 56, 0.05), 0 1px 2px rgba(10, 31, 56, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(10, 31, 56, 0.07), 0 2px 4px -2px rgba(10, 31, 56, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(10, 31, 56, 0.09), 0 4px 6px -4px rgba(10, 31, 56, 0.05);
  --shadow-xl: 0 20px 35px -5px rgba(10, 31, 56, 0.12), 0 8px 10px -6px rgba(10, 31, 56, 0.06);
  --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.25);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1240px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv05' 1, 'cv02' 1;
  overflow-x: clip;
}

body {
  overflow-x: clip;
  background: radial-gradient(circle at 50% 0%, #f0f7ff 0%, #f8fafc 50%, #ffffff 100%);
  min-height: 100vh;
}

p {
  overflow-wrap: break-word;
  hyphens: none;
  -webkit-hyphens: none;
  text-wrap: pretty;
}

/* Display Typography for Headings & Titles (Option 1: Plus Jakarta Sans) */
h1, h2, h3, h4, h5, h6,
.hero-title,
.section-title,
.science-hero-title,
.science-block-title,
.pdp-product-title,
.lifestyle-closing-title,
.academic-institution,
.faq-question,
.cta-banner-box h2,
.footer-brand h3,
.footer-col h4 {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
}

h1, h2, h3,
.hero-title,
.section-title,
.science-hero-title,
.story-hero-title,
.story-lead-title,
.story-cta-headline,
.lifestyle-closing-title {
  text-wrap: balance;
}

/* Scientific Data Typography & Tabular Figures (Inter) */
.stat-number,
.metric-number,
.academic-stat-num,
.shop-price,
.telemetry-val,
.comparison-table td,
.pdp-table-wrap td {
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'cv05' 1, 'cv02' 1;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.container-narrow {
  max-width: 900px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 4px 24px -2px rgba(10, 31, 56, 0.06), 0 1px 2px rgba(10, 31, 56, 0.03);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.brand-suffix {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent-teal);
  letter-spacing: 0.15em;
  padding: 0.15rem 0.4rem;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: 0.5rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-cyan));
  transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  line-height: 1;
  text-decoration: none;
  vertical-align: middle;
}

.btn svg {
  flex-shrink: 0;
  display: block;
}

.btn span {
  display: inline-block;
  line-height: 1;
}

/* iOS WebKit Touch & Tactile Feedback */
a, button, .shop-thumb, .faq-question {
  -webkit-tap-highlight-color: transparent;
}

.btn:active,
.shop-thumb:active {
  transform: scale(0.97) !important;
  transition: transform 0.08s ease;
}

.faq-question:active {
  background-color: #f1f5f9;
}

.btn-amazon {
  background: linear-gradient(135deg, #131921 0%, #232f3e 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px rgba(35, 47, 62, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
}

.btn-amazon:hover {
  background: linear-gradient(135deg, #232f3e 0%, #37475a 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(35, 47, 62, 0.35);
  color: #ffffff;
}

.btn-amazon svg.cart-icon {
  stroke: #ff9900;
  flex-shrink: 0;
  display: block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(10, 31, 56, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 31, 56, 0.3);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--color-primary);
  border: 1.5px solid rgba(8, 145, 178, 0.35);
  box-shadow: 0 2px 10px rgba(8, 145, 178, 0.08);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-secondary svg {
  transition: transform var(--transition-fast);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
  border-color: var(--color-accent-teal);
  color: var(--color-accent-teal);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8, 145, 178, 0.18);
}

.btn-secondary:hover svg {
  transform: translateX(4px);
}

.btn-lg {
  font-size: 1.05rem;
  padding: 0.9rem 2rem;
}

/* Mobile Nav Toggle */
.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  padding: 0.5rem;
}

/* Badges & Pills */
.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(8, 145, 178, 0.1);
  color: var(--color-accent-teal);
  border: 1px solid rgba(8, 145, 178, 0.2);
}

/* Hero Section */
.hero-section {
  padding-block: 4.5rem 5rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, #e0f2fe 0%, #ffffff 80%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 2.5rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-top-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-title {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.hero-title span.highlight {
  background: linear-gradient(135deg, #0891b2 0%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 580px;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-main);
  background: #ffffff;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.badge-item svg {
  color: var(--color-accent-teal);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
}

.hero-proof-text {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.825rem;
  color: var(--color-text-muted);
}

.hero-trust-mini {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.rating-stars {
  color: #f59e0b;
  display: flex;
  gap: 2px;
}

/* Hero Visual & Carousel Stage */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.hero-carousel {
  position: relative;
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.hero-carousel-viewport {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 25px 50px -12px rgba(10, 31, 56, 0.14), 0 4px 16px rgba(10, 31, 56, 0.05);
}

.hero-carousel-track {
  display: flex;
  width: 100%;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.hero-carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  position: relative;
}

.hero-slide-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1404 / 1120;
  object-fit: cover;
  display: block;
}

.hero-carousel-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  position: relative;
  z-index: 15;
}

.hero-carousel-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: var(--radius-full);
  background: #cbd5e1;
  border: none;
  padding: 0;
  transition: all var(--transition-fast);
  cursor: pointer;
  pointer-events: auto;
}

.hero-carousel-dot:hover {
  background: #94a3b8;
}

.hero-carousel-dot.active {
  width: 1.85rem;
  background: var(--color-accent-teal);
}

/* Authority Trust Bar */
.trust-bar-section {
  padding-block: 2.5rem;
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.trust-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background: #f0fdf4;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-icon.blue {
  background: #f0f7ff;
  color: #0284c7;
}

.trust-icon.purple {
  background: #f5f3ff;
  color: #7c3aed;
}

.trust-icon.gold {
  background: #fffbeb;
  color: #d97706;
}

.trust-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  white-space: nowrap;
}

.trust-subtitle {
  font-size: 0.74rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

/* Section Header standard */
.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section-header .pill-tag {
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Science / Mechanism Section */
.science-section {
  padding-block: 6rem;
  background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
  position: relative;
}

/* Video Showcase Box */
.video-showcase-box {
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  color: var(--color-primary);
  border: 1.5px solid rgba(8, 145, 178, 0.2);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: 0 20px 45px -10px rgba(8, 145, 178, 0.08), 0 2px 8px rgba(0, 0, 0, 0.03);
  margin-bottom: 5rem;
  overflow: hidden;
  position: relative;
}

.video-showcase-box::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(6, 182, 212, 0) 70%);
  pointer-events: none;
}

.video-showcase-left {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-width: 0;
}

.video-info {
  min-width: 0;
}

.video-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000000;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
  aspect-ratio: 16 / 9;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay-ctrl {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.video-btn {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
}

.video-btn:hover {
  background: var(--color-accent-teal);
  border-color: rgba(255, 255, 255, 0.4);
  transform: scale(1.05);
}

.video-telemetry-bar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(8, 145, 178, 0.2);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(8, 145, 178, 0.06);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.telemetry-label {
  font-size: 0.675rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  font-weight: 600;
}

.telemetry-val {
  font-size: 0.825rem;
  color: #0284c7;
  font-weight: 700;
}

.telemetry-divider {
  width: 1px;
  height: 22px;
  background: #e2e8f0;
}

.video-info h3 {
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.25;
  margin-top: 0.35rem;
  margin-bottom: 0.85rem;
  color: var(--color-primary);
}

.video-info p {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.video-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.video-feature-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--color-primary);
  background: #ffffff;
  border: 1px solid rgba(8, 145, 178, 0.16);
  box-shadow: 0 2px 8px rgba(8, 145, 178, 0.04);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
}

.video-feature-item svg {
  color: var(--color-accent-cyan);
  flex-shrink: 0;
}

/* 3-Step Process Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(8, 145, 178, 0.3);
}

.step-number {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(8, 145, 178, 0.15);
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.step-icon-wrap {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #e0f2fe 0%, #ecfeff 100%);
  color: var(--color-accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Clinical Proof & SEM Comparison */
.clinical-section {
  padding-block: 6rem;
  background: #ffffff;
  position: relative;
}

.clinical-dashboard {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.clinical-institution-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.inst-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.inst-icon {
  color: var(--color-accent-teal);
  flex-shrink: 0;
}

.inst-info h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.inst-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* SEM Slider Component */
.sem-slider-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

/* Tabs */
.sem-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.sem-tab-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: #e2e8f0;
  transition: all var(--transition-fast);
}

.sem-tab-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

/* Before After Container (Precision Laboratory Viewport) */
.comparison-container {
  position: relative;
  width: 100%;
  aspect-ratio: 630 / 323;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(10, 31, 56, 0.16);
  user-select: none;
  cursor: ew-resize;
  background: #061324;
  border: 1px solid rgba(8, 145, 178, 0.25);
}

.comparison-image {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: calc(100% + 2px);
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  transition: filter 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.comparison-container.refocusing .comparison-image {
  filter: blur(5px) brightness(1.08) contrast(0.92);
  transform: scale(0.99);
}

.comparison-image-before {
  z-index: 1;
}

.comparison-image-after {
  z-index: 2;
  clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
}

.comparison-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: #ffffff;
  z-index: 10;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.comparison-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2.85rem;
  height: 2.85rem;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  border: 2px solid var(--color-accent-teal);
  transition: transform var(--transition-fast);
}

.label-before, .label-after {
  position: absolute;
  top: 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  color: #ffffff;
  z-index: 5;
  pointer-events: none;
  max-width: 44%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.label-before { left: 1rem; }
.label-after { right: 1rem; }

/* Scientific Metadata HUD Bar (Concise Telemetry Overlay) */
.sem-hud-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 1.25rem;
  background: linear-gradient(180deg, rgba(6, 19, 36, 0.72) 0%, rgba(6, 19, 36, 0.92) 100%);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-family: var(--font-sans);
  pointer-events: none;
}

.sem-hud-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.725rem;
  color: #94a3b8;
  white-space: nowrap;
}

.hud-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #06b6d4;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.85);
  display: inline-block;
  flex-shrink: 0;
}

.hud-val {
  font-weight: 600;
  color: #f1f5f9;
  letter-spacing: 0.03em;
  font-size: 0.725rem;
}

.sem-hud-scale {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.scale-bar-line {
  width: 48px;
  height: 2px;
  background: #ffffff;
  position: relative;
  box-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
}

.scale-bar-line::before,
.scale-bar-line::after {
  content: '';
  position: absolute;
  top: -3px;
  width: 2px;
  height: 8px;
  background: #ffffff;
}

.scale-bar-line::before { left: 0; }
.scale-bar-line::after { right: 0; }

.scale-bar-text {
  font-size: 0.65rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  font-variant-numeric: tabular-nums;
}

.sem-mobile-labels {
  display: none;
}

.sem-drag-hint {
  margin-top: 0.85rem;
  text-align: center;
  font-size: 0.825rem;
  color: var(--color-text-muted);
}

/* Clinical Metrics Cards on the side */
.metrics-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  justify-content: center;
}

.pulse-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGlow 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
  margin-right: 0.35rem;
  vertical-align: middle;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.metric-card {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  opacity: 0.68;
}

.metric-card:hover {
  opacity: 0.92;
  border-color: rgba(8, 145, 178, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-card.active-target {
  opacity: 1;
  border-color: var(--color-accent-teal);
  box-shadow: 0 8px 24px rgba(8, 145, 178, 0.12);
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  transform: translateY(-2px);
}

.metric-card:focus-visible {
  outline: 2px solid var(--color-accent-teal);
  outline-offset: 2px;
}

.metric-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.metric-number {
  font-size: 2.35rem;
  font-weight: 900;
  color: var(--color-accent-teal);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.metric-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #0284c7;
  background: #f0f7ff;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
}

.metric-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.metric-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.clinical-cta-row {
  margin-top: 1.75rem;
  text-align: center;
}

.clinical-footnote {
  margin-top: 2rem;
  font-size: 0.775rem;
  color: #64748b;
  line-height: 1.5;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
}

/* Comparison Table Section */
.comparison-section {
  padding-block: 6rem;
  background: #f8fafc;
}

.comparison-table-wrapper {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.comparison-mobile-deck {
  display: none;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: #f8fafc;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
}

.comparison-table th.highlight-col,
.comparison-table td.highlight-col {
  background: rgba(8, 145, 178, 0.03);
  position: relative;
}

.comparison-table th.highlight-col {
  background: linear-gradient(180deg, #ecfeff 0%, #f0fdfa 100%);
  color: var(--color-accent-teal);
  border-top: 3px solid var(--color-accent-teal);
}

.feature-title {
  font-weight: 600;
  color: var(--color-primary);
}

.feature-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.status-badge.success {
  color: #0d9488;
}

.status-badge.muted {
  color: #94a3b8;
}

.status-badge.negative {
  color: #e11d48;
}

/* Audiences & Applications */
.audiences-section {
  padding-block: 6rem;
  background: #ffffff;
}

.audiences-visual-showcase {
  max-width: 100%;
  margin-inline: auto;
  margin-bottom: 2.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  background: #ffffff;
  display: flex;
  flex-direction: column;
}

.audiences-showcase-media {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #f1f5f9;
  aspect-ratio: 21 / 10;
}

.audiences-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 38%;
  display: block;
}

.audiences-showcase-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  background: linear-gradient(90deg, #f0fdfa 0%, #f8fafc 100%);
  border-top: 1px solid var(--color-border);
}

.audiences-showcase-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-teal);
  background: #ffffff;
  border: 1px solid #a5f3fc;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  flex-shrink: 0;
}

.audiences-showcase-caption {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.audiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.audience-card {
  border-radius: var(--radius-lg);
  background: #ffffff;
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.audience-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.audience-card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.audience-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.audience-tag {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-teal);
  background: #ecfeff;
  border: 1px solid #cffafe;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.audience-index {
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(8, 145, 178, 0.16);
}

.audience-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.audience-text {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.audience-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.audience-check-item {
  font-size: 0.85rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.audience-check-item svg {
  color: #10b981;
  flex-shrink: 0;
}

/* Ingredients & Clean Formula */
.ingredients-section {
  padding-block: 6rem;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.ingredient-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.ingredient-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-teal);
}

.ingredient-icon-wrap {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-sm);
  background: #ecfeff;
  color: var(--color-accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.ingredient-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.ingredient-role {
  font-size: 0.775rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent-teal);
  letter-spacing: 0.05em;
  margin-bottom: 0.65rem;
}

.ingredient-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Clean Standards Matrix */
.clean-standards-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, #162f4e 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  box-shadow: var(--shadow-xl);
}

.clean-lead h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.clean-lead p {
  color: #94a3b8;
  font-size: 0.95rem;
}

.clean-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.clean-badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
}

.clean-badge-item svg {
  color: #38bdf8;
}

.inci-box {
  margin-top: 2rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.inci-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.inci-text {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Product Gallery & Purchase Details */
.shop-gallery {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.shop-main-img-wrap {
  width: 100%;
  aspect-ratio: 1;
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}

.shop-main-img {
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-normal), opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.shop-main-img:hover {
  transform: scale(1.05);
}

.shop-thumbs {
  display: flex;
  gap: 0.75rem;
}

.shop-thumb {
  width: 4.5rem;
  height: 4.5rem;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #f8fafc;
  border: 1px solid var(--color-border);
  padding: 0.35rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.shop-thumb:hover,
.shop-thumb.active {
  border-color: var(--color-accent-teal);
  box-shadow: 0 0 0 2px rgba(8, 145, 178, 0.25);
  transform: translateY(-2px);
}

.shop-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.shop-rating-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.shop-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.shop-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
}

.shop-unit {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.amazon-prime-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  background: #e0f2fe;
  color: #0369a1;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.shop-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: 1.25rem;
}

.highlight-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.925rem;
  color: var(--color-text-main);
}

.highlight-bullet svg {
  color: var(--color-accent-teal);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.highlight-bullet strong {
  color: var(--color-primary);
  font-weight: 700;
  display: inline;
}

.highlight-bullet p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.45;
  margin: 0;
  display: inline;
  margin-left: 0.35rem;
}

.shop-cta-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.amazon-disclaimer {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

.pdp-main-img-wrap {
  padding: 0.75rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdp-main-img {
  transform: scale(1.08);
}

.pdp-specs-header {
  margin-bottom: 2rem;
}

.pdp-specs-table td:first-child {
  font-weight: 700;
  width: 32%;
}

.pdp-inci-cell {
  line-height: 1.65;
}

.faq-section-alt {
  background: #f8fafc;
  border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   Product Detail Page (PDP) Dedicated Styles
   ========================================================================== */
.pdp-hero-stage {
  padding-block: 2.5rem 5rem;
  background: #ffffff;
}

.pdp-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.pdp-breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.pdp-breadcrumb a:hover {
  color: var(--color-accent);
}

.pdp-breadcrumb .breadcrumb-sep {
  color: #cbd5e1;
}

.pdp-breadcrumb .breadcrumb-current {
  color: var(--color-primary);
  font-weight: 600;
}

.pdp-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.pdp-gallery-trust {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--color-border);
}

.pdp-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.pdp-trust-item svg {
  color: var(--color-accent-teal);
  flex-shrink: 0;
}

.pdp-product-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
  margin-top: 0.25rem;
}

.pdp-intro-desc {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.7;
}

.pdp-ritual-section {
  padding-block: 5.5rem;
  background: linear-gradient(180deg, #f8fafc 0%, #f0fdfa 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pdp-howto-banner {
  margin-bottom: 2.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  background: #ffffff;
}

.pdp-howto-img {
  width: 100%;
  height: auto;
  display: block;
}

.pdp-ritual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.pdp-ritual-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.pdp-ritual-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(8, 145, 178, 0.3);
}

.pdp-ritual-card.highlight {
  background: linear-gradient(180deg, #ffffff 0%, #ecfeff 100%);
  border: 1.5px solid rgba(8, 145, 178, 0.35);
  box-shadow: 0 12px 28px -8px rgba(8, 145, 178, 0.12);
}

.pdp-ritual-card-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.pdp-ritual-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #e0f2fe 0%, #ecfeff 100%);
  color: var(--color-accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pdp-ritual-badge {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #0284c7;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.pdp-ritual-badge.pro-tip {
  color: #0f766e;
  background: #ccfbf1;
  border-color: #99f6e4;
}

.pdp-ritual-num {
  margin-left: auto;
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(8, 145, 178, 0.16);
}

.pdp-ritual-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 0.65rem;
}

.pdp-ritual-desc {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
}

.pdp-ritual-footer {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.pdp-ritual-moments {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  flex: 1;
}

.pdp-moment-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.pdp-moment-item strong {
  color: var(--color-primary);
}

.pdp-moment-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-teal);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
  flex-shrink: 0;
}

.pdp-science-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent-teal);
  background: #ecfeff;
  border: 1px solid #a5f3fc;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.pdp-science-link:hover {
  background: var(--color-accent-teal);
  color: #ffffff;
  border-color: var(--color-accent-teal);
}

.pdp-specs-section {
  padding-block: 5rem;
  background: #ffffff;
}

.pdp-table-wrap {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 992px) {
  .pdp-card {
    grid-template-columns: 1fr;
    padding: 2rem;
    gap: 2.5rem;
  }

  .pdp-product-title {
    font-size: 1.75rem;
  }

  .pdp-ritual-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .pdp-ritual-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .pdp-ritual-moments {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}

/* Academic Verification & Research Endorsements */
.academic-section {
  padding-block: 6rem;
  background: #f8fafc;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.academic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.academic-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.academic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.academic-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-teal);
  background: #e0f2fe;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  align-self: flex-start;
}

.academic-institution {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.academic-sub {
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 1.25rem;
}

.academic-desc {
  font-size: 0.925rem;
  line-height: 1.65;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.academic-stat-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.academic-stat-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  white-space: nowrap;
}

.academic-stat-label {
  font-size: 0.775rem;
  color: var(--color-text-muted);
  text-align: right;
  line-height: 1.35;
}

@media (max-width: 992px) {
  .academic-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* =========================================================================
   The Science Page Styles
   ========================================================================= */
.science-hero {
  padding-block: 5rem 3rem;
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  text-align: center;
}

.science-hero-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.15;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.science-hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 720px;
  margin-inline: auto;
}

.science-content-section {
  padding-block: 3rem 6rem;
}

.science-attribution-box {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-teal);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 3.5rem;
}

.attribution-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.attribution-text {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.science-block {
  margin-bottom: 4rem;
}

.science-block-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.science-block-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.science-figure-box {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.science-img {
  width: 100%;
  height: auto;
  display: block;
}

.science-figure-caption {
  padding: 0.9rem 1.25rem;
  background: #f8fafc;
  border-top: 1px solid var(--color-border);
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.science-figure-caption strong {
  color: var(--color-primary);
}

/* 3-Stage Demineralization Cascade */
.science-dilemma-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.science-dilemma-card {
  background: linear-gradient(180deg, #ffffff 0%, #fff1f2 100%);
  border: 1px solid #fecdd3;
  border-top: 3px solid #f43f5e;
  border-radius: var(--radius-md);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.dilemma-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.dilemma-stage-tag {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #e11d48;
}

.dilemma-metric-pill {
  font-size: 0.68rem;
  font-weight: 700;
  color: #9f1239;
  background: #ffe4e6;
  border: 1px solid #fecdd3;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.dilemma-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.dilemma-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Compare Grid */
.science-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-block: 2rem;
}

.science-compare-card {
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.science-compare-card.conventional {
  background: #f8fafc;
  border: 1px solid var(--color-border);
}

.science-compare-card.celeris {
  background: #ecfeff;
  border: 1px solid #cffafe;
}

.compare-tag {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.compare-tag.negative {
  color: #e11d48;
}

.compare-tag.positive {
  color: var(--color-accent-teal);
}

.compare-title {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.compare-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* SEM Analysis Card */
.science-sem-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.science-sem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.sem-detail-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.sem-detail-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Hardness Stats Grid */
.science-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.science-stat-card {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-number.teal { color: var(--color-accent-teal); }
.stat-number.blue { color: #0284c7; }

.stat-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.science-sem-img {
  margin-bottom: 1.5rem;
  border-radius: var(--radius-md);
}

.science-cta-box .pill-tag {
  margin-bottom: 1rem;
}

.cta-banner-box .pill-tag {
  margin-bottom: 1.25rem;
}

/* Science CTA Box (Light Theme) */
.science-cta-box {
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  color: var(--color-primary);
  border: 1.5px solid rgba(8, 145, 178, 0.2);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  margin-top: 5rem;
  box-shadow: 0 16px 36px -8px rgba(8, 145, 178, 0.08);
}

.science-cta-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.science-cta-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* FAQ Accordion Section */
.faq-section {
  padding-block: 6rem;
  background: #ffffff;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 840px;
  margin-inline: auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-accent-teal);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.75rem;
  background: #ffffff;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

.faq-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
  color: var(--color-accent-teal);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  background: #f8fafc;
}

.faq-answer-inner {
  padding: 1.25rem 1.75rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

/* Lifestyle Closing Banner Section (Homepage V4 - Soft Fluid Redesign) */
.lifestyle-closing-section {
  padding-block: 5.5rem;
  background: #ffffff;
  position: relative;
}

.lifestyle-closing-card {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #f0fdfa 55%, #e0f2fe 100%);
  border: 1px solid rgba(8, 145, 178, 0.16);
  border-radius: var(--radius-2xl);
  padding: 2.25rem;
  gap: 3rem;
  box-shadow: 0 24px 60px -20px rgba(8, 145, 178, 0.12), 0 10px 25px -10px rgba(15, 23, 42, 0.04);
  position: relative;
}

.lifestyle-closing-media {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #f1f5f9;
  box-shadow: 0 12px 30px -10px rgba(15, 23, 42, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.85);
}

.lifestyle-closing-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.lifestyle-closing-card:hover .lifestyle-closing-img {
  transform: scale(1.025);
}

.lifestyle-closing-content {
  padding: 1.25rem 0.5rem 1.25rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.lifestyle-closing-content .pill-tag {
  margin-bottom: 1.25rem;
  background: rgba(8, 145, 178, 0.08);
  color: var(--color-accent-teal);
  border: 1px solid rgba(8, 145, 178, 0.18);
  font-weight: 700;
}

.lifestyle-closing-title {
  font-size: clamp(1.85rem, 2.5vw, 2.65rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.lifestyle-closing-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 2rem;
  max-width: 520px;
}

.lifestyle-closing-actions {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  flex-wrap: wrap;
  width: 100%;
}

.lifestyle-closing-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  border-radius: var(--radius-full);
}

.lifestyle-closing-actions .btn-amazon {
  box-shadow: 0 4px 14px rgba(255, 153, 0, 0.25);
}

.lifestyle-closing-actions .btn-secondary {
  background: #ffffff;
  border-color: rgba(8, 145, 178, 0.25);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

.lifestyle-closing-trust {
  margin-top: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: #64748b;
  line-height: 1.4;
}

.lifestyle-closing-trust svg {
  flex-shrink: 0;
  color: #0891b2;
}

@media (max-width: 992px) {
  .lifestyle-closing-card {
    grid-template-columns: 1fr;
    padding: 1.75rem;
    gap: 2rem;
    border-radius: var(--radius-xl);
  }
  .lifestyle-closing-media {
    min-height: auto;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-md);
  }
  .lifestyle-closing-content {
    padding: 0;
  }
}

@media (max-width: 640px) {
  .lifestyle-closing-section {
    padding-block: 3.5rem;
  }
  .lifestyle-closing-card {
    padding: 1.25rem;
    gap: 1.35rem;
    border-radius: var(--radius-lg);
  }
  .lifestyle-closing-media {
    aspect-ratio: 16 / 10;
    border-radius: 14px;
  }
  .lifestyle-closing-title {
    font-size: 1.6rem;
    line-height: 1.25;
    margin-bottom: 0.85rem;
  }
  .lifestyle-closing-desc {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
  }
  .lifestyle-closing-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.85rem;
  }
  .lifestyle-closing-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .lifestyle-closing-trust {
    font-size: 0.8rem;
    align-items: flex-start;
    margin-top: 1.25rem;
  }
}

/* CTA Bottom Banner */
.cta-banner-section {
  padding-block: 5.5rem;
  background: linear-gradient(180deg, #f0fdfa 0%, #e0f2fe 100%);
  color: var(--color-primary);
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(8, 145, 178, 0.15);
  border-bottom: 1px solid rgba(8, 145, 178, 0.15);
}

.cta-banner-box {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  position: relative;
  z-index: 10;
}

.cta-banner-box h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.cta-banner-box p {
  font-size: 1.1rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.cta-banner-actions {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: #f8fafc;
  color: #475569;
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid #e2e8f0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #64748b;
  max-width: 360px;
  margin-bottom: 1.25rem;
}

.footer-col h4 {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.footer-links a {
  font-size: 0.875rem;
  color: #64748b;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-teal);
}

.footer-bottom {
  border-top: 1px solid #e2e8f0;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.825rem;
  color: #94a3b8;
  flex-wrap: wrap;
  gap: 1rem;
}

.disclaimer-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 0.775rem;
  color: #64748b;
  line-height: 1.6;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.disclaimer-box strong {
  color: var(--color-primary);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .hero-visual {
    order: -1;
  }

  .video-showcase-box {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .sem-slider-wrapper {
    grid-template-columns: 1fr;
  }

  .trust-bar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ingredients-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .audiences-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-secondary {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }

  /* Phase 2: Trust Bar (2x2 Compact Grid) */
  .trust-bar-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .trust-item {
    background: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.65rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

  .trust-icon {
    width: 32px;
    height: 32px;
  }

  .trust-icon svg {
    width: 18px;
    height: 18px;
  }

  .trust-title {
    font-size: 0.78rem;
    white-space: normal;
    line-height: 1.25;
  }

  .trust-subtitle {
    font-size: 0.68rem;
    white-space: normal;
    line-height: 1.3;
  }

  /* Global Mobile Section & Block Spacing Optimization */
  .container {
    padding-inline: 1.15rem;
  }

  .btn {
    max-width: 100%;
    white-space: normal;
    text-align: center;
    line-height: 1.25;
  }

  .btn span {
    line-height: 1.25;
  }

  .trust-bar-section {
    padding-block: 1.25rem;
  }

  .why-section,
  .experience-section,
  .science-section,
  .clinical-section,
  .comparison-section,
  .audiences-section,
  .ingredients-section,
  .academic-section,
  .lifestyle-closing-section,
  .faq-section,
  .cta-banner-section,
  .pdp-ritual-section,
  .pdp-specs-section,
  .story-section,
  .contact-section {
    padding-block: 2.5rem;
  }

  .section-header {
    margin-bottom: 1.75rem;
  }

  .section-header .pill-tag {
    margin-bottom: 0.65rem;
  }

  .section-title {
    font-size: 1.6rem;
    line-height: 1.25;
    margin-bottom: 0.65rem;
  }

  .section-desc {
    font-size: 0.925rem;
    line-height: 1.55;
  }

  /* Phase 3: 3D Video Showcase Box Mobile Optimization */
  .video-showcase-box {
    padding: 1.25rem 1rem;
    gap: 1.5rem;
    margin-bottom: 2rem;
    border-radius: var(--radius-md);
  }

  .video-showcase-left,
  .video-info {
    min-width: 0;
    width: 100%;
  }

  .video-info h3 {
    font-size: 1.3rem;
    line-height: 1.3;
    margin-bottom: 0.65rem;
  }

  .video-info p {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1rem;
  }

  .video-feature-item {
    font-size: 0.8rem;
    padding: 0.55rem 0.75rem;
    align-items: flex-start;
  }

  .video-feature-item svg {
    margin-top: 0.15rem;
  }

  .video-info .btn {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
  }

  .video-telemetry-bar {
    flex-direction: column;
    gap: 0.65rem;
    align-items: stretch;
    padding: 0.75rem 0.85rem;
  }

  .telemetry-divider {
    display: none;
  }

  .telemetry-item {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .steps-grid {
    gap: 1rem;
    margin-top: 0;
  }

  .step-card {
    padding: 1.35rem 1.25rem;
  }

  .step-icon-wrap {
    width: 2.75rem;
    height: 2.75rem;
    margin-bottom: 0.85rem;
  }

  /* Phase 1: SEM 5000x Slider & Clinical Dashboard Mobile Re-engineering */
  .clinical-dashboard {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
  }

  .clinical-dashboard .btn {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
  }

  .clinical-institution-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
  }

  .inst-info h4 {
    font-size: 1.05rem;
  }

  .inst-info p {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .sem-slider-wrapper {
    gap: 1.5rem;
  }

  .sem-tabs {
    width: 100%;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
  }

  .sem-tab-btn {
    flex: 1;
    padding: 0.55rem 0.45rem;
    font-size: 0.725rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.25;
    border-radius: var(--radius-sm);
  }

  .comparison-container {
    touch-action: pan-y;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-sm);
  }

  .comparison-container .label-before,
  .comparison-container .label-after {
    display: none;
  }

  .sem-hud-bar {
    padding: 0.35rem 0.65rem;
  }

  .sem-hud-item {
    font-size: 0.625rem;
    gap: 0.3rem;
  }

  .sem-hud-item .hud-val {
    font-size: 0.625rem;
  }

  .scale-bar-line {
    width: 36px;
  }

  .scale-bar-text {
    font-size: 0.575rem;
  }

  .comparison-handle-button {
    width: 2.75rem;
    height: 2.75rem;
    touch-action: none;
  }

  .sem-mobile-labels {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 0.65rem;
  }

  .sem-mobile-pill {
    flex: 1;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.45rem 0.5rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
    text-align: center;
    box-shadow: 0 2px 8px rgba(10, 31, 56, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.95);
    line-height: 1.25;
  }

  .sem-mobile-pill.before {
    border-left: 3px solid #e11d48;
  }

  .sem-mobile-pill.after {
    border-right: 3px solid var(--color-accent-teal);
  }

  .sem-drag-hint {
    font-size: 0.75rem;
    margin-top: 0.5rem;
  }

  .metrics-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1.25rem;
  }

  .metric-card {
    padding: 1rem 1.15rem;
  }

  .metric-number {
    font-size: 1.85rem;
  }

  .metric-title {
    font-size: 0.925rem;
  }

  .metric-desc {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  /* Phase 2: Comparison Section (Hide Desktop Table, Display Mobile Cards) */
  .comparison-table-wrapper {
    display: none;
  }

  .comparison-mobile-deck {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .comp-mobile-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.15rem;
    box-shadow: var(--shadow-sm);
  }

  .comp-card-header h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.2rem;
  }

  .comp-card-header p {
    font-size: 0.775rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
  }

  .comp-celeris-box {
    background: #ecfeff;
    border: 1.5px solid #a5f3fc;
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.85rem;
    margin-bottom: 0.75rem;
  }

  .comp-brand-badge {
    display: inline-block;
    font-size: 0.675rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--color-accent-teal);
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
  }

  .comp-result-title {
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.25rem;
  }

  .comp-result-title.success {
    color: #0d9488;
  }

  .comp-result-desc {
    font-size: 0.775rem;
    color: #475569;
    line-height: 1.45;
  }

  .comp-contrast-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .comp-contrast-item {
    background: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .comp-contrast-label {
    color: var(--color-text-muted);
    font-size: 0.68rem;
    font-weight: 600;
  }

  .comp-contrast-item .status-badge {
    font-size: 0.68rem;
    padding: 0.2rem 0.45rem;
    text-align: center;
  }

  /* Other Sections */
  .why-grid {
    margin-top: 0;
    gap: 1rem;
  }

  .why-card {
    padding: 1.25rem;
  }

  .why-icon {
    margin-bottom: 0.85rem;
  }

  .experience-grid {
    margin-top: 0;
    gap: 1.5rem;
  }

  .experience-items-col {
    gap: 0.85rem;
  }

  .experience-feature-card {
    padding: 1.15rem;
    gap: 0.85rem;
  }

  .experience-badge-float {
    bottom: 0.75rem;
    left: 0.75rem;
    right: 0.75rem;
    padding: 0.55rem 0.85rem;
  }

  .audiences-visual-showcase {
    margin-bottom: 1.25rem;
    border-radius: var(--radius-md);
  }

  .audiences-showcase-media {
    aspect-ratio: 16 / 10;
  }

  .audiences-showcase-img {
    object-position: 62% 45%;
    transform: scale(1.16);
    transform-origin: 65% 52%;
  }

  .audiences-showcase-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
    padding: 0.85rem 1rem;
  }

  .audiences-showcase-badge {
    font-size: 0.725rem;
    padding: 0.25rem 0.65rem;
  }

  .audiences-showcase-caption {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .audiences-grid {
    gap: 1rem;
  }

  .audience-card {
    padding: 0;
    border-radius: var(--radius-md);
  }

  .audience-card-body {
    padding: 1.25rem 1.15rem;
  }

  .audience-card-top {
    margin-bottom: 0.55rem;
  }

  .audience-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
  }

  .audience-text {
    font-size: 0.85rem;
    line-height: 1.55;
    margin-bottom: 0.9rem;
  }

  .audience-checklist {
    padding-top: 0.8rem;
    gap: 0.45rem;
  }

  .audience-check-item {
    font-size: 0.82rem;
    align-items: flex-start;
  }

  .audience-check-item svg {
    margin-top: 0.1rem;
  }

  .ingredient-card {
    padding: 1.35rem 1.25rem;
  }

  .ingredients-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .clean-standards-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.35rem 1.25rem;
    gap: 1.15rem;
  }

  .faq-list {
    gap: 0.75rem;
  }

  .faq-question {
    padding: 1rem 1.15rem;
    font-size: 0.95rem;
  }

  .faq-answer-inner {
    padding: 1rem 1.15rem;
    font-size: 0.875rem;
  }

  .cta-banner-box h2 {
    font-size: 1.65rem;
    margin-bottom: 0.75rem;
  }

  .cta-banner-box p {
    font-size: 0.95rem;
    margin-bottom: 1.35rem;
  }

  .cta-banner-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .cta-banner-actions .btn {
    width: 100%;
  }

  .footer {
    padding-top: 2.5rem;
    padding-bottom: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    margin-bottom: 1.75rem;
  }

  .disclaimer-box {
    padding: 1rem 1.15rem;
    margin-bottom: 1.5rem;
  }

  .footer-bottom {
    padding-top: 1.25rem;
  }

  /* Hero Section Mobile Optimization */
  .hero-section {
    padding-block: 1.15rem 2rem;
  }

  .hero-grid {
    gap: 1.35rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-content {
    gap: 1rem;
  }

  .hero-top-badges {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .hero-title {
    font-size: 2.05rem;
    line-height: 1.18;
  }

  .hero-lead {
    font-size: 0.925rem;
    line-height: 1.55;
  }

  .hero-badges-row {
    gap: 0.45rem;
  }

  .badge-item {
    font-size: 0.725rem;
    padding: 0.35rem 0.65rem;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    margin-top: 0.25rem;
  }

  .hero-cta-group .btn-amazon {
    width: 100%;
    min-height: 52px;
    font-size: 1.05rem;
  }

  .hero-cta-group .btn-secondary {
    width: 100%;
    min-height: 44px;
  }

  .hero-trust-mini {
    font-size: 0.725rem;
    line-height: 1.35;
  }

  .hero-carousel {
    max-width: 100%;
    gap: 0.65rem;
  }

  .hero-carousel-viewport {
    border-radius: var(--radius-md);
  }

  /* PDP Mobile Enhancements for iPhone */
  .pdp-card {
    padding: 1.25rem 1rem;
    gap: 1.5rem;
    border-radius: var(--radius-md);
  }

  .pdp-hero-stage {
    padding-block: 1rem 2rem;
  }

  .pdp-breadcrumb {
    font-size: 0.8rem;
    margin-bottom: 1rem;
  }

  .pdp-breadcrumb .breadcrumb-current {
    max-width: 175px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    vertical-align: bottom;
  }

  .pdp-gallery-trust {
    margin-top: 1rem;
    padding-top: 1rem;
    background: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    gap: 0.5rem;
  }

  .pdp-trust-item {
    font-size: 0.8rem;
  }

  .pdp-howto-banner {
    margin-bottom: 1.25rem;
    border-radius: var(--radius-md);
  }

  .pdp-ritual-grid {
    gap: 1rem;
    margin-bottom: 1.25rem;
  }

  .pdp-ritual-card {
    padding: 1.35rem 1.15rem;
    border-radius: var(--radius-md);
  }

  .pdp-ritual-card-top {
    margin-bottom: 0.85rem;
  }

  .pdp-ritual-icon {
    width: 2.35rem;
    height: 2.35rem;
  }

  .pdp-ritual-num {
    font-size: 1.45rem;
  }

  .pdp-ritual-title {
    font-size: 1.05rem;
    margin-bottom: 0.45rem;
  }

  .pdp-ritual-desc {
    font-size: 0.85rem;
    line-height: 1.55;
  }

  .pdp-ritual-footer {
    padding: 1.15rem 1rem;
    border-radius: var(--radius-md);
    gap: 1rem;
  }

  .pdp-moment-item {
    font-size: 0.8rem;
    align-items: flex-start;
  }

  .pdp-moment-dot {
    margin-top: 0.35rem;
  }

  .pdp-science-link {
    width: 100%;
    justify-content: center;
    white-space: normal;
    text-align: center;
    font-size: 0.8rem;
    padding: 0.65rem 0.85rem;
  }

  .pdp-table-wrap td {
    padding: 0.85rem 1rem;
    font-size: 0.85rem;
    line-height: 1.45;
  }

  .pdp-table-wrap td:first-child {
    width: 38%;
    font-size: 0.825rem;
    color: var(--color-primary);
  }

  .academic-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .academic-card {
    padding: 1.35rem 1.25rem;
  }

  /* Product Gallery & Buy Box Mobile Optimization */
  .shop-main-img-wrap {
    padding: 1rem 0.5rem;
    border-radius: var(--radius-sm);
    aspect-ratio: 16 / 13;
  }

  .shop-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    width: 100%;
  }

  .shop-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    padding: 0.25rem;
  }

  .shop-details {
    gap: 0.85rem;
  }

  .shop-rating-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }

  .shop-price-row {
    margin-top: 0.15rem;
  }

  .shop-price {
    font-size: 1.85rem;
  }

  .shop-unit {
    font-size: 0.8rem;
  }

  /* 2x2 Compact Benefit Grid on Mobile */
  .shop-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding-block: 0.85rem;
  }

  .highlight-bullet {
    background: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.55rem 0.65rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .highlight-bullet svg {
    margin-top: 0;
    width: 16px;
    height: 16px;
  }

  .highlight-bullet strong {
    font-size: 0.75rem;
    display: block;
    line-height: 1.2;
  }

  .highlight-bullet p {
    font-size: 0.68rem;
    display: block;
    margin-left: 0;
    line-height: 1.35;
  }

  .shop-cta-stack {
    margin-top: 0.5rem;
    gap: 0.5rem;
  }

  .shop-cta-stack .btn-amazon {
    width: 100%;
    min-height: 52px;
    font-size: 1.05rem;
  }

  .amazon-disclaimer {
    font-size: 0.725rem;
    text-align: center;
  }

  /* The Science Page Mobile Optimization */
  .science-hero {
    padding-block: 2.25rem 1.5rem;
  }

  .science-hero-title {
    font-size: 1.65rem;
    line-height: 1.25;
    margin-top: 0.75rem;
    margin-bottom: 0.85rem;
  }

  .science-hero-desc {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .science-content-section {
    padding-block: 1.5rem 2.75rem;
  }

  .science-attribution-box {
    padding: 1.25rem 1rem;
    margin-bottom: 1.75rem;
  }

  .attribution-title {
    font-size: 1rem;
  }

  .attribution-text {
    font-size: 0.85rem;
    line-height: 1.5;
  }

  .science-block {
    margin-bottom: 2rem;
  }

  .science-block-title {
    font-size: 1.35rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
  }

  .science-block-text {
    font-size: 0.925rem;
    line-height: 1.6;
    margin-bottom: 1rem;
  }

  .science-dilemma-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    margin-top: 1.15rem;
  }

  .science-dilemma-card {
    padding: 1.15rem 1rem;
  }

  .dilemma-card-title {
    font-size: 0.975rem;
  }

  .dilemma-card-desc {
    font-size: 0.825rem;
    line-height: 1.55;
  }

  .science-figure-caption {
    padding: 0.75rem 0.9rem;
    font-size: 0.775rem;
  }

  .science-compare-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    margin-block: 1rem;
  }

  .science-compare-card {
    padding: 1.25rem 1rem;
  }

  .compare-title {
    font-size: 1.05rem;
  }

  .compare-desc {
    font-size: 0.825rem;
    line-height: 1.55;
  }

  .science-sem-card {
    padding: 1.25rem 1rem;
    margin-bottom: 1.25rem;
  }

  .science-sem-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .sem-detail-title {
    font-size: 0.95rem;
  }

  .sem-detail-desc {
    font-size: 0.825rem;
    line-height: 1.5;
  }

  .science-stat-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
  }

  .science-stat-card {
    padding: 1.25rem 1rem;
  }

  .stat-number {
    font-size: 2.25rem;
  }

  .stat-title {
    font-size: 1rem;
  }

  .stat-desc {
    font-size: 0.8rem;
  }

  .science-cta-box {
    padding: 1.5rem 1.15rem;
    margin-top: 2rem;
    border-radius: var(--radius-md);
  }

  .science-cta-title {
    font-size: 1.35rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
  }

  .science-cta-desc {
    font-size: 0.875rem;
    line-height: 1.55;
    margin-bottom: 1.25rem;
  }

  .science-cta-box .btn-amazon {
    width: 100%;
    min-height: 52px;
    font-size: 1.05rem;
  }
}

/* Brand Logo Image */
.brand-logo-img {
  height: 2rem;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

/* Mobile Drawer - Hidden by default on desktop */
.mobile-drawer {
  display: none;
}

.mobile-backdrop {
  display: none;
}

@media (max-width: 768px) {
  .mobile-drawer {
    display: flex;
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(25px) saturate(190%);
    -webkit-backdrop-filter: blur(25px) saturate(190%);
    border-left: 1px solid rgba(255, 255, 255, 0.8);
    z-index: 1000;
    box-shadow: -10px 0 35px rgba(10, 31, 56, 0.12);
    padding: 2rem;
    flex-direction: column;
    transition: right var(--transition-normal);
  }

  .mobile-drawer.open {
    right: 0;
  }

  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-drawer-close {
    font-size: 1.5rem;
    color: var(--color-text-main);
    padding: 0.5rem;
    cursor: pointer;
  }

  .mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
  }

  .mobile-nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-main);
    padding-block: 0.25rem;
  }

  .mobile-nav-link:hover {
    color: var(--color-accent-teal);
  }

  .mobile-backdrop {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 31, 56, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }

  .mobile-backdrop.open {
    opacity: 1;
    pointer-events: auto;
  }
}

/* -------------------------------------------------------------------------
   Our Story Page Styles (Based on Our story.png design)
   ------------------------------------------------------------------------- */
.story-hero {
  position: relative;
  width: 100%;
  background: linear-gradient(135deg, #f0fdfa 0%, #ffffff 42%, #e0f2fe 100%);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.story-hero-wrapper {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1.15fr);
  align-items: stretch;
  min-height: 560px;
  width: 100%;
}

.story-hero-content-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4.5rem clamp(2rem, 5vw, 5rem);
  max-width: 680px;
  margin-left: auto;
  z-index: 2;
}

.story-hero-title {
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-primary);
  margin-top: 1.25rem;
  margin-bottom: 1.35rem;
  letter-spacing: -0.025em;
}

.story-hero-desc {
  font-size: 1.18rem;
  color: var(--color-text-muted);
  max-width: 520px;
  line-height: 1.65;
}

.story-hero-visual-side {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 560px;
  overflow: hidden;
}

.story-hero-full-bleed-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right top;
  display: block;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.4) 4%, rgba(0, 0, 0, 1) 15%, rgba(0, 0, 0, 1) 100%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.4) 4%, rgba(0, 0, 0, 1) 15%, rgba(0, 0, 0, 1) 100%);
}

.story-cta-section {
  position: relative;
  width: 100%;
  background: #ffffff;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
}

.story-cta-wrapper {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1.1fr);
  align-items: flex-end;
  min-height: 380px;
  width: 100%;
}

.story-cta-content-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4.5rem clamp(2rem, 5vw, 5rem);
  max-width: 650px;
  margin-left: auto;
  z-index: 2;
}

.story-cta-headline {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.story-cta-actions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.story-cta-divider {
  color: #94a3b8;
  font-size: 1.25rem;
  font-weight: 300;
}

.story-cta-touch-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition-fast);
}

.story-cta-touch-link:hover {
  color: var(--color-accent-teal);
}

.story-cta-visual-side {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.story-cta-big-img {
  width: 100%;
  max-width: 680px;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: right bottom;
}

@media (max-width: 960px) {
  .story-hero-wrapper {
    grid-template-columns: 1fr;
  }
  .story-hero-content-side {
    text-align: center;
    align-items: center;
    padding: 3.5rem 1.5rem 2rem;
    margin-inline: auto;
  }
  .story-hero-desc {
    margin-inline: auto;
  }
  .story-hero-visual-side {
    height: 420px;
    min-height: 420px;
  }
  .story-hero-full-bleed-img {
    -webkit-mask-image: none;
    mask-image: none;
    object-position: center top;
  }

  .story-cta-wrapper {
    grid-template-columns: 1fr;
  }
  .story-cta-content-side {
    text-align: center;
    align-items: center;
    padding: 3.5rem 1.5rem 1.5rem;
    margin-inline: auto;
  }
  .story-cta-headline br {
    display: none;
  }
  .story-cta-actions-row {
    justify-content: center;
  }
  .story-cta-divider {
    display: none;
  }
  .story-cta-visual-side {
    justify-content: center;
    padding-top: 1rem;
  }
  .story-cta-big-img {
    max-width: 480px;
    object-position: center bottom;
  }
}

.story-section {
  padding-block: 4.5rem;
}

.story-section-white {
  background: #ffffff;
}

.story-section-alt {
  background: #f8fafc;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.story-section-teal {
  background: #f0fdfa;
  border-top: 1px solid rgba(8, 145, 178, 0.15);
}

.story-action-mt {
  margin-top: 1.5rem;
}

.story-trust-title {
  margin-top: 0.75rem;
  margin-bottom: 1rem;
}

.story-trust-desc {
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.story-trust-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.story-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.story-img-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 30px -8px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  background: transparent;
  border: none;
}

.story-img-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.story-lead-tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-teal);
  margin-bottom: 0.75rem;
}

.story-lead-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.story-lead-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.story-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.story-pill {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: #f1f5f9;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.story-card-box {
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  border: 1.5px solid rgba(8, 145, 178, 0.2);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 16px 36px -8px rgba(8, 145, 178, 0.08);
  margin-block: 2rem;
  text-align: center;
}

/* -------------------------------------------------------------------------
   Contact Page Styles (Email Focus Card - No Form)
   ------------------------------------------------------------------------- */
.contact-section {
  padding-block: 5.5rem;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.contact-card {
  max-width: 680px;
  margin-inline: auto;
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  box-shadow: 0 20px 40px -10px rgba(10, 31, 56, 0.07);
  text-align: center;
}

.contact-icon-bubble {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  background: #ecfeff;
  color: var(--color-accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 20px rgba(8, 145, 178, 0.15);
}

.contact-email-box {
  background: #f8fafc;
  border: 1.5px dashed rgba(8, 145, 178, 0.35);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-block: 2rem;
  flex-wrap: wrap;
}

.contact-email-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.contact-email-ph {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.contact-copy-btn {
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-teal);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.contact-copy-btn:hover,
.contact-copy-btn.copied {
  background: var(--color-accent-teal);
  color: #ffffff;
  border-color: var(--color-accent-teal);
}

.contact-pill-tag {
  margin-bottom: 1rem;
}

.contact-lead-title {
  margin-bottom: 0.75rem;
}

.contact-lead-text {
  max-width: 520px;
  margin-inline: auto;
}

.contact-noscript-email {
  margin-top: -1rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: #64748b;
}

.contact-direct-action {
  margin-top: 1.5rem;
}

.contact-info-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.contact-note-first {
  margin-bottom: 0.75rem;
}

.contact-inline-link {
  color: var(--color-accent-teal);
  font-weight: 600;
  text-decoration: underline;
}

/* -------------------------------------------------------------------------
   Why Choose Celeris Section (4-Pillars Matrix)
   ------------------------------------------------------------------------- */
.why-section {
  padding-block: 5.5rem;
  background: #ffffff;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.why-card {
  background: #f8fafc;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: rgba(8, 145, 178, 0.35);
  box-shadow: 0 12px 28px -6px rgba(8, 145, 178, 0.1);
  background: #ffffff;
}

.why-num {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-accent-teal);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.why-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: #ecfeff;
  color: var(--color-accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.why-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.65rem;
}

.why-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* -------------------------------------------------------------------------
   Everyday Experience Section (Gel, Low Foam, Herbal Mint)
   ------------------------------------------------------------------------- */
.experience-section {
  padding-block: 5.5rem;
  background: linear-gradient(180deg, #f8fafc 0%, #f0fdfa 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.experience-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-top: 2rem;
}

.experience-media-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.experience-media-wrap img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.experience-badge-float {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.experience-badge-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

.experience-items-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.experience-feature-card {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.experience-feature-card:hover {
  border-color: rgba(8, 145, 178, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.experience-icon-wrap {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-full);
  background: #ecfeff;
  color: var(--color-accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.experience-feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.experience-feature-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .experience-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .story-hero-content-side {
    padding: 2rem 1.25rem 1.5rem;
  }

  .story-hero-title {
    margin-top: 0.75rem;
    margin-bottom: 0.85rem;
  }

  .story-hero-visual-side {
    height: 300px;
    min-height: 300px;
  }

  .story-grid-2col {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .story-lead-title {
    margin-bottom: 0.85rem;
  }

  .story-lead-text {
    margin-bottom: 1rem;
  }

  .story-pill-row {
    margin-top: 1rem;
    gap: 0.5rem;
  }

  .story-card-box {
    padding: 1.75rem 1.25rem;
    margin-block: 0;
  }

  .story-cta-content-side {
    padding: 2rem 1.25rem 1rem;
  }

  .story-cta-headline {
    margin-bottom: 1.25rem;
  }

  .contact-card {
    padding: 1.75rem 1.25rem;
  }

  .contact-email-box {
    margin-block: 1.25rem;
    padding: 1rem 1.15rem;
  }

  .contact-email-text {
    font-size: 1.05rem;
  }
}

@media (max-width: 640px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* -------------------------------------------------------------------------
   Performance: Off-Screen Rendering Deferral & Motion Accessibility
   ------------------------------------------------------------------------- */
.why-section,
.comparison-section,
.audiences-section,
.clinical-section,
.experience-section,
.ingredients-section,
.academic-section,
.lifestyle-closing-section,
.faq-section,
.cta-banner-section {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}