/* ==========================================================================
   2.AG — CLINICAL APOTHECARY UNDER TEAL LIGHT
   Design System & Master Stylesheet
   ========================================================================== */

:root {
  /* Colors */
  --color-deep-teal: #244d54;
  --color-mint-pulse: #2ecea0;
  --color-soft-teal: #6dddbd;
  --color-carbon: #000000;
  --color-ink: #151515;
  --color-graphite: #4d4d4d;
  --color-slate: #858585;
  --color-fog: #999999;
  --color-mist: #e5e7eb;
  --color-bone: #f0f1f2;
  --color-paper: #ffffff;

  /* Typography — Font Families */
  --font-inter-tight: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-inter: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Typography — Scale */
  --text-caption: 10px;
  --leading-caption: 1.86;
  --tracking-caption: 1px;
  --text-body: 16px;
  --leading-body: 1.5;
  --tracking-body: 0.08px;
  --text-subheading: 20px;
  --leading-subheading: 1.4;
  --tracking-subheading: 0.4px;
  --text-heading-sm: 30px;
  --leading-heading-sm: 1.3;
  --tracking-heading-sm: 0.6px;
  --text-heading: 36px;
  --leading-heading: 1.25;
  --tracking-heading: 0.72px;
  --text-heading-lg: 45px;
  --leading-heading-lg: 1.21;
  --tracking-heading-lg: 0.9px;
  --text-stat-numeral: 48px;
  --leading-stat-numeral: 1.1;
  --tracking-stat-numeral: -2px;
  --text-display: 62px;
  --leading-display: 1;
  --tracking-display: 1.24px;

  /* Typography — Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-28: 28px;
  --spacing-32: 32px;
  --spacing-36: 36px;
  --spacing-40: 40px;
  --spacing-60: 60px;
  --spacing-80: 80px;

  /* Layout */
  --page-max-width: 1280px;
  --section-gap: 64px;
  --card-padding: 20px;

  /* Border Radius */
  --radius-md: 5px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 20px;
  --radius-3xl: 30px;
  --radius-full: 50px;
  --radius-full-2: 250px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-inter-tight);
  color: var(--color-carbon);
  background-color: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-carbon);
  background-color: var(--color-paper);
  overflow-x: hidden;
}

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

button, input, select, textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.container {
  max-width: var(--page-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Utility Classes */
.font-inter {
  font-family: var(--font-inter);
}

.font-tight {
  font-family: var(--font-inter-tight);
}

.text-prescription {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.095em;
  font-weight: 600;
  line-height: 1.4;
}

.text-stat-large {
  font-family: var(--font-inter);
  font-size: 58px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, var(--color-soft-teal) 0%, var(--color-mint-pulse) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ==========================================================================
   ANNOUNCEMENT BAR
   ========================================================================== */
.announcement-bar {
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 50;
  padding: 0 16px;
}

.announcement-content {
  display: flex;
  align-items: center;
  gap: 10px;
}

.announcement-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.announcement-badge {
  background: rgba(0, 0, 0, 0.15);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==========================================================================
   TOP NAVIGATION
   ========================================================================== */
.top-nav {
  height: 64px;
  background-color: var(--color-paper);
  border-bottom: 1px solid var(--color-mist);
  position: sticky;
  top: 0;
  z-index: 40;
  transition: box-shadow var(--transition-fast);
}

.top-nav.scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 2px;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.04em;
  color: var(--color-carbon);
  user-select: none;
}

.brand-logo .lambda {
  font-weight: 800;
  letter-spacing: -0.06em;
}

.brand-logo .tm {
  font-size: 10px;
  font-weight: 500;
  vertical-align: super;
  margin-left: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-carbon);
  padding: 6px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-deep-teal);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-mint-pulse);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-carbon);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-bone);
}

.cart-btn {
  position: relative;
}

.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  background-color: var(--color-carbon);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.cart-badge.pulse {
  animation: badgePop 0.3s ease;
  background-color: var(--color-mint-pulse);
}

@keyframes badgePop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.nav-cta-btn {
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.nav-cta-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   HERO SECTION — 50/50 SPLIT
   ========================================================================== */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 104px);
  max-height: 820px;
  background-color: var(--color-deep-teal);
  position: relative;
  overflow: hidden;
}

/* Left Half — Dark Deep Teal Editorial */
.hero-editorial-half {
  background-color: var(--color-deep-teal);
  color: #ffffff;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 64px 48px 64px 64px;
  z-index: 2;
  overflow: hidden;
}

.hero-wireframe-bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: url('assets/wireframe-hero.jpg');
  background-size: cover;
  background-position: center right;
  opacity: 0.9;
  z-index: 1;
}

.hero-wireframe-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(135deg, rgba(36, 77, 84, 0.95) 0%, rgba(36, 77, 84, 0.75) 45%, rgba(36, 77, 84, 0.3) 100%);
  z-index: 2;
}

.hero-editorial-content {
  position: relative;
  z-index: 5;
  max-width: 580px;
}

.hero-specimen-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(109, 221, 189, 0.3);
  color: var(--color-soft-teal);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-mint-pulse);
  box-shadow: 0 0 10px var(--color-mint-pulse);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 206, 160, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(46, 206, 160, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 206, 160, 0); }
}

.hero-title {
  font-size: clamp(38px, 4.2vw, 62px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.042em;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  font-weight: 400;
  max-width: 480px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-pill-mint-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: 1px solid var(--color-mint-pulse);
  color: #ffffff;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-full-2);
  padding: 14px 48px;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-pill-mint-outline:hover {
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46, 206, 160, 0.25);
}

.hero-credentials-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.cred-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

.cred-icon {
  width: 14px;
  height: 14px;
  color: var(--color-mint-pulse);
}

/* Interactive Joint Nodes on Left Hero */
.joint-node {
  position: absolute;
  width: 20px;
  height: 20px;
  cursor: pointer;
  z-index: 10;
  transform: translate(-50%, -50%);
}

.joint-node-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, #ffeb3b 20%, #ff9800 60%, rgba(255, 152, 0, 0.2) 100%);
  box-shadow: 0 0 14px 3px rgba(255, 180, 0, 0.9);
  animation: jointGlow 2.5s infinite ease-in-out;
  transition: transform 0.2s ease;
}

.joint-node:hover .joint-node-inner {
  transform: scale(1.4);
  box-shadow: 0 0 20px 6px rgba(46, 206, 160, 0.9);
  background: radial-gradient(circle, #ffffff 10%, #2ecea0 70%, rgba(46, 206, 160, 0.4) 100%);
}

@keyframes jointGlow {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.joint-tooltip {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background-color: var(--color-ink);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: var(--radius-lg);
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all var(--transition-fast);
  border: 1px solid rgba(46, 206, 160, 0.4);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  z-index: 20;
}

.joint-node:hover .joint-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Right Half — Light Product Specimen */
.hero-product-half {
  background-color: #f7f9fa;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 40px;
}

.hero-product-stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-product-image-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
  height: 100%;
  max-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-mist);
  transition: transform var(--transition-slow);
}

.hero-product-half:hover .hero-product-image {
  transform: scale(1.02);
}

.hero-floating-badge {
  position: absolute;
  bottom: 32px;
  right: 32px;
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
  z-index: 10;
}

.floating-badge-pill {
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.floating-badge-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
}

.floating-badge-sub {
  font-size: 11px;
  color: var(--color-slate);
}

/* ==========================================================================
   REVIEW MARQUEE STRIP
   ========================================================================== */
.review-marquee-strip {
  border-top: 1px solid var(--color-mist);
  border-bottom: 1px solid var(--color-mist);
  background-color: var(--color-paper);
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.marquee-fixed-badge {
  flex-shrink: 0;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-paper);
  border-right: 1px solid var(--color-mist);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-carbon);
  z-index: 5;
}

.marquee-stars {
  color: var(--color-mint-pulse);
  display: flex;
  gap: 2px;
}

.marquee-track-wrap {
  flex: 1;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 40px, black calc(100% - 40px), transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 40px, black calc(100% - 40px), transparent);
}

.marquee-track {
  display: flex;
  gap: 36px;
  width: max-content;
  animation: marqueeScroll 45s linear infinite;
  align-items: center;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-graphite);
  white-space: nowrap;
}

.marquee-item strong {
  color: var(--color-ink);
  font-weight: 600;
}

.marquee-item .author {
  color: var(--color-slate);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.marquee-separator {
  color: var(--color-mint-pulse);
  font-size: 14px;
}

/* ==========================================================================
   CLINICAL STAT COUNTERS SECTION
   ========================================================================== */
.clinical-stats-section {
  background-color: var(--color-deep-teal);
  color: #ffffff;
  padding: 80px 0;
  position: relative;
}

.stats-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.stats-header .section-tag {
  color: var(--color-soft-teal);
  margin-bottom: 12px;
}

.stats-header h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.stats-header p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-2xl);
  padding: 44px 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(46, 206, 160, 0.4);
}

.stat-number-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}

.stat-number {
  font-family: var(--font-inter);
  font-size: 58px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -2px;
  background: linear-gradient(180deg, var(--color-soft-teal) 0%, var(--color-mint-pulse) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-symbol {
  font-family: var(--font-inter-tight);
  font-size: 26px;
  font-weight: 500;
  color: #ffffff;
}

.stat-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 12px;
}

.stat-desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.75);
}

.clinical-trial-footer {
  margin-top: 48px;
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: 16px;
}

.trial-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.trial-btn {
  background: transparent;
  border: 1px solid var(--color-soft-teal);
  color: var(--color-soft-teal);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.trial-btn:hover {
  background-color: var(--color-soft-teal);
  color: var(--color-deep-teal);
}

/* ==========================================================================
   PRODUCT PDP / CLINICAL SPECIMEN SHOWCASE
   ========================================================================== */
.pdp-section {
  padding: 96px 0;
  background-color: var(--color-paper);
}

.pdp-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}

/* Left: Product Specimen Presentation Stage */
.pdp-gallery {
  position: sticky;
  top: 96px;
}

.specimen-stage {
  background-color: var(--color-bone);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-mist);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.specimen-stage-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--color-paper);
  border: 1px solid var(--color-mist);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-carbon);
}

.specimen-stage-dosage {
  position: absolute;
  top: 24px;
  right: 24px;
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
}

.specimen-image-wrap {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 32px 0;
  transition: transform var(--transition-normal);
}

.specimen-image {
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.08));
}

.specimen-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.specimen-pill-tag {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--color-graphite);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Right: Prescriptive Details & Purchasing */
.pdp-info {
  display: flex;
  flex-direction: column;
}

.pdp-category {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-deep-teal);
  margin-bottom: 8px;
}

.pdp-title {
  font-size: clamp(32px, 3vw, 40px);
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.pdp-rating-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.stars-row {
  display: flex;
  color: var(--color-mint-pulse);
  gap: 2px;
}

.rating-text {
  font-size: 13px;
  color: var(--color-slate);
  font-weight: 500;
}

.rating-text strong {
  color: var(--color-carbon);
}

.pdp-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-graphite);
  margin-bottom: 28px;
}

/* Strength Selector Tabs */
.strength-section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate);
  margin-bottom: 10px;
}

.strength-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.strength-btn {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  padding: 14px 12px;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.strength-btn:hover {
  border-color: var(--color-slate);
}

.strength-btn.active {
  border-color: var(--color-deep-teal);
  background-color: rgba(36, 77, 84, 0.03);
  box-shadow: 0 0 0 1px var(--color-deep-teal);
}

.strength-btn .badge-pill-micro {
  position: absolute;
  top: -8px;
  right: 8px;
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.strength-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.strength-ratio {
  font-size: 11px;
  color: var(--color-slate);
  margin-bottom: 6px;
}

.strength-price {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-carbon);
}

/* Purchase Type Toggle (Subscribe vs One-Time) */
.purchase-options {
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 24px;
}

.purchase-option {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background-color: var(--color-paper);
  transition: background-color var(--transition-fast);
}

.purchase-option:not(:last-child) {
  border-bottom: 1px solid var(--color-mist);
}

.purchase-option.selected {
  background-color: rgba(46, 206, 160, 0.05);
}

.purchase-option-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radio-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-slate);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.purchase-option.selected .radio-dot {
  border-color: var(--color-mint-pulse);
}

.radio-dot-inner {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-mint-pulse);
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-fast);
}

.purchase-option.selected .radio-dot-inner {
  opacity: 1;
  transform: scale(1);
}

.purchase-option-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
}

.purchase-option-sub {
  font-size: 12px;
  color: var(--color-slate);
}

.purchase-save-pill {
  background-color: rgba(46, 206, 160, 0.15);
  color: #108e6c;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-left: 6px;
}

.purchase-option-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-carbon);
}

/* Actions Row (Quantity + Add to Bag) */
.pdp-action-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.quantity-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-full);
  background-color: var(--color-bone);
  padding: 4px;
  height: 52px;
  flex-shrink: 0;
}

.qty-btn {
  background: none;
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-carbon);
  font-size: 18px;
  transition: background-color var(--transition-fast);
}

.qty-btn:hover {
  background-color: var(--color-paper);
}

.qty-input {
  width: 32px;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-carbon);
}

.btn-add-to-bag {
  flex: 1;
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  height: 52px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 14px rgba(46, 206, 160, 0.3);
}

.btn-add-to-bag:hover {
  background-color: #27ba90;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(46, 206, 160, 0.4);
}

.btn-add-to-bag:active {
  transform: translateY(0);
}

/* Stock Status */
.stock-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-graphite);
  margin-bottom: 28px;
}

.stock-indicator-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-mint-pulse);
  border-radius: 50%;
}

/* Feature List Rows */
.pdp-features-list {
  border-top: 1px solid var(--color-mist);
  margin-top: 8px;
}

.feature-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-mist);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-value {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-deep-teal);
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 13px;
  color: var(--color-slate);
  line-height: 1.45;
}

/* ==========================================================================
   APOTHECARY LEDGER / INGREDIENT SLIDER
   ========================================================================== */
.apothecary-section {
  padding: 96px 0;
  background-color: var(--color-bone);
  border-top: 1px solid var(--color-mist);
  border-bottom: 1px solid var(--color-mist);
}

.apothecary-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 24px;
}

.apothecary-title-group h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.apothecary-title-group p {
  font-size: 16px;
  color: var(--color-graphite);
  max-width: 580px;
}

.ledger-tab-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.ledger-tab-btn {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-graphite);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ledger-tab-btn:hover {
  border-color: var(--color-carbon);
  color: var(--color-carbon);
}

.ledger-tab-btn.active {
  background-color: var(--color-deep-teal);
  border-color: var(--color-deep-teal);
  color: #ffffff;
}

.ledger-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ledger-card {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.ledger-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-slate);
}

.ledger-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}

.ledger-compound-code {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-deep-teal);
}

.ledger-badge {
  background-color: rgba(46, 206, 160, 0.15);
  color: #108e6c;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

.ledger-card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.ledger-card-alias {
  font-size: 13px;
  color: var(--color-slate);
  margin-bottom: 18px;
  font-style: italic;
}

.ledger-card-body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-graphite);
  margin-bottom: 24px;
  flex: 1;
}

.ledger-specs {
  border-top: 1px solid var(--color-mist);
  padding-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-key {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate);
}

.spec-val {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-carbon);
}

/* ==========================================================================
   PRESCRIPTIVE DOSAGE & APPLICATION GUIDE
   ========================================================================== */
.dosage-section {
  padding: 96px 0;
  background-color: var(--color-paper);
}

.dosage-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.dosage-header h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.dosage-header p {
  font-size: 16px;
  color: var(--color-slate);
}

/* 3-Step Protocol Cards */
.protocol-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.protocol-card {
  background-color: var(--color-bone);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-2xl);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-number {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-deep-teal);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.step-title {
  font-size: 19px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-graphite);
}

/* Interactive Anatomical Target Map */
.body-target-container {
  background-color: var(--color-deep-teal);
  border-radius: var(--radius-2xl);
  color: #ffffff;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.body-selector-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.body-selector-title {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-soft-teal);
  font-weight: 600;
  margin-bottom: 6px;
}

.body-target-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: #ffffff;
  transition: all var(--transition-fast);
  text-align: left;
}

.body-target-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.body-target-btn.active {
  background-color: var(--color-mint-pulse);
  border-color: var(--color-mint-pulse);
  color: #ffffff;
}

.body-target-btn .zone-name {
  font-size: 15px;
  font-weight: 600;
}

.body-target-btn .zone-tag {
  font-size: 12px;
  opacity: 0.85;
  font-weight: 500;
}

.body-target-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.target-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.target-region-name {
  font-size: 22px;
  font-weight: 600;
  color: #ffffff;
}

.target-dosage-pill {
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
}

.target-instructions {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
}

.target-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.target-metric-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-soft-teal);
  margin-bottom: 4px;
}

.target-metric-val {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

/* ==========================================================================
   CLINICAL REVIEWS & VERIFIED STORIES
   ========================================================================== */
.reviews-section {
  padding: 96px 0;
  background-color: var(--color-bone);
}

.reviews-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 20px;
}

.reviews-header-text h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.reviews-header-text p {
  font-size: 15px;
  color: var(--color-slate);
}

.reviews-filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-chip {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-graphite);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  border-color: var(--color-carbon);
  color: var(--color-carbon);
}

.filter-chip.active {
  background-color: var(--color-deep-teal);
  border-color: var(--color-deep-teal);
  color: #ffffff;
}

.reviews-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.review-card {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-slate);
}

.review-card-stars {
  color: var(--color-mint-pulse);
  display: flex;
  gap: 2px;
  margin-bottom: 14px;
}

.review-quote {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.35;
  margin-bottom: 12px;
}

.review-body {
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-graphite);
  margin-bottom: 20px;
  flex: 1;
}

.review-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-mist);
  padding-top: 14px;
}

.reviewer-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-carbon);
  display: flex;
  align-items: center;
  gap: 6px;
}

.verified-badge {
  color: var(--color-mint-pulse);
  display: flex;
  align-items: center;
}

.review-tag {
  font-size: 11px;
  color: var(--color-slate);
  letter-spacing: 0.03em;
}

/* Video Review Card */
.video-review-card {
  background: #111111;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #ffffff;
  cursor: pointer;
  aspect-ratio: 9 / 14;
}

.video-thumb-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('assets/hero-screenshot.jpg') center/cover no-repeat;
  filter: brightness(0.65);
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.video-review-card:hover .video-thumb-bg {
  transform: scale(1.05);
  filter: brightness(0.75);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--color-mint-pulse);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-deep-teal);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-fast);
  z-index: 5;
}

.video-review-card:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  background-color: var(--color-mint-pulse);
  color: #ffffff;
}

.video-card-meta {
  position: relative;
  z-index: 4;
}

.video-card-meta h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.video-card-meta p {
  font-size: 12px;
  opacity: 0.85;
}

/* ==========================================================================
   BATCH VERIFICATION & CERTIFICATE OF ANALYSIS (COA)
   ========================================================================== */
.coa-section {
  padding: 96px 0;
  background-color: var(--color-paper);
}

.coa-container {
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-2xl);
  padding: 56px;
  background-color: var(--color-bone);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.coa-left h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 14px;
}

.coa-left p {
  font-size: 15px;
  color: var(--color-graphite);
  line-height: 1.6;
  margin-bottom: 28px;
}

.coa-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.coa-input {
  flex: 1;
  background-color: var(--color-paper);
  border: 1px solid var(--color-fog);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-carbon);
  outline: none;
  transition: border-color var(--transition-fast);
}

.coa-input:focus {
  border-color: var(--color-carbon);
}

.btn-coa-verify {
  background-color: var(--color-deep-teal);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-coa-verify:hover {
  background-color: #1a393e;
}

.sample-batches {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-slate);
}

.batch-pill-link {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--color-carbon);
  font-weight: 600;
  font-family: monospace;
}

.batch-pill-link:hover {
  border-color: var(--color-slate);
}

/* Right COA Certificate Preview Card */
.coa-card-preview {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}

.coa-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-mist);
}

.coa-batch-id {
  font-family: monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-deep-teal);
}

.coa-pass-badge {
  background-color: rgba(46, 206, 160, 0.15);
  color: #108e6c;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 4px;
}

.coa-lab-meta {
  font-size: 12px;
  color: var(--color-slate);
  margin-bottom: 20px;
  line-height: 1.5;
}

.coa-test-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 24px;
}

.coa-test-table th {
  text-align: left;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-mist);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-slate);
}

.coa-test-table td {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-mist);
  color: var(--color-carbon);
}

.status-tag-pass {
  color: #108e6c;
  font-weight: 700;
  font-size: 12px;
}

.coa-download-btn {
  width: 100%;
  background: var(--color-bone);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-lg);
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-carbon);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.coa-download-btn:hover {
  background-color: var(--color-mist);
}

/* ==========================================================================
   CLINICAL FAQ ACCORDION
   ========================================================================== */
.faq-section {
  padding: 96px 0;
  background-color: var(--color-bone);
  border-top: 1px solid var(--color-mist);
}

.faq-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.faq-header h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.faq-header p {
  font-size: 16px;
  color: var(--color-slate);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-deep-teal);
}

.faq-trigger {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 17px;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.faq-trigger:hover {
  color: var(--color-deep-teal);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--color-slate);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-mint-pulse);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-graphite);
}

.faq-item.active .faq-content {
  max-height: 350px;
  padding-bottom: 24px;
}

/* ==========================================================================
   PURCHASE DRAWER / BAG SIMULATOR
   ========================================================================== */
.cart-drawer-overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.cart-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 440px;
  background-color: var(--color-paper);
  z-index: 101;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
}

.cart-drawer-overlay.open .cart-drawer {
  transform: translateX(0);
}

.cart-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-mist);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-header-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cart-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-slate);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-close-btn:hover {
  background-color: var(--color-bone);
  color: var(--color-carbon);
}

/* Free Shipping Meter */
.shipping-meter-wrap {
  padding: 16px 24px;
  background-color: rgba(46, 206, 160, 0.08);
  border-bottom: 1px solid var(--color-mist);
}

.shipping-meter-text {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-carbon);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.shipping-progress-bar {
  height: 6px;
  background-color: var(--color-mist);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.shipping-progress-fill {
  height: 100%;
  width: 88%;
  background-color: var(--color-mint-pulse);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* Cart Items List */
.cart-items-list {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cart-item {
  display: flex;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-mist);
}

.cart-item-thumb {
  width: 72px;
  height: 72px;
  background-color: var(--color-bone);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-mist);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-thumb img {
  width: 80%;
  height: 80%;
  object-fit: contain;
}

.cart-item-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cart-item-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.cart-item-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.cart-item-dose {
  font-size: 11px;
  color: var(--color-slate);
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--color-slate);
  cursor: pointer;
  padding: 2px;
  font-size: 12px;
}

.cart-item-remove:hover {
  color: #e53935;
}

.cart-item-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-full);
  padding: 2px 6px;
}

.cart-item-qty button {
  background: none;
  border: none;
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  color: var(--color-slate);
}

.cart-item-qty span {
  font-size: 12px;
  font-weight: 600;
  padding: 0 4px;
}

.cart-item-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-carbon);
}

/* Cart Upsells */
.cart-upsell-section {
  padding: 16px 24px;
  background-color: var(--color-bone);
  border-top: 1px solid var(--color-mist);
}

.cart-upsell-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate);
  margin-bottom: 10px;
}

.upsell-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-paper);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
}

.upsell-left {
  display: flex;
  flex-direction: column;
}

.upsell-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
}

.upsell-price {
  font-size: 12px;
  color: var(--color-slate);
}

.upsell-add-btn {
  background-color: transparent;
  border: 1px solid var(--color-mint-pulse);
  color: var(--color-deep-teal);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.upsell-add-btn:hover {
  background-color: var(--color-mint-pulse);
  color: #ffffff;
}

/* Cart Footer / Checkout */
.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--color-mist);
  background-color: var(--color-paper);
}

.promo-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.promo-input {
  flex: 1;
  background: var(--color-bone);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.promo-btn {
  background-color: var(--color-carbon);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.cart-totals-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-slate);
  margin-bottom: 6px;
}

.cart-totals-row.bold {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-mist);
}

.cart-checkout-btn {
  width: 100%;
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-top: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(46, 206, 160, 0.3);
  transition: all var(--transition-normal);
}

.cart-checkout-btn:hover {
  background-color: #27ba90;
  transform: translateY(-1px);
}

.cart-security-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 14px;
  font-size: 11px;
  color: var(--color-slate);
}

/* ==========================================================================
   VIDEO MODAL & CERTIFICATE MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background-color: var(--color-paper);
  border-radius: var(--radius-2xl);
  max-width: 640px;
  width: 100%;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.85);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background-color: var(--color-ink);
  color: #ffffff;
  border: 1px solid rgba(46, 206, 160, 0.4);
  border-radius: var(--radius-lg);
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  pointer-events: auto;
  animation: toastIn 0.3s ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer-section {
  background-color: var(--color-deep-teal);
  color: #ffffff;
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand h3 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  max-width: 320px;
  margin-bottom: 24px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 340px;
}

.newsletter-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--color-fog);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
  color: #ffffff;
  outline: none;
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-btn {
  background-color: var(--color-mint-pulse);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.newsletter-btn:hover {
  opacity: 0.9;
}

.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-soft-teal);
  margin-bottom: 20px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

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

.footer-legal-notice {
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 32px;
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    max-height: none;
    min-height: auto;
  }

  .hero-editorial-half {
    padding: 64px 32px;
    min-height: 520px;
  }

  .hero-product-half {
    min-height: 480px;
    padding: 32px;
  }

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

  .pdp-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .pdp-gallery {
    position: static;
  }

  .ledger-cards-grid {
    grid-template-columns: 1fr;
  }

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

  .body-target-container {
    grid-template-columns: 1fr;
    padding: 32px;
  }

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

  .coa-container {
    grid-template-columns: 1fr;
    padding: 32px;
  }

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

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

  .mobile-menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 34px;
  }

  .strength-options-grid {
    grid-template-columns: 1fr;
  }

  .reviews-cards-grid {
    grid-template-columns: 1fr;
  }

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

  .clinical-trial-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}