/* ==========================================================================
   Yu Sleep™ Official Site Design System & Stylesheet
   Theme: Nocturnal Luxury, Deep Sapphire & Bioluminescent Indigo
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #070913;
  --bg-card: rgba(15, 20, 38, 0.75);
  --bg-card-hover: rgba(23, 30, 56, 0.85);
  --bg-card-solid: #0F1426;
  --bg-elevated: #161D36;
  
  --primary: #6366F1;
  --primary-light: #818CF8;
  --primary-dark: #4F46E5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  
  --secondary: #A855F7;
  --secondary-glow: rgba(168, 85, 247, 0.35);
  
  --accent-gold: #F59E0B;
  --accent-gold-light: #FBBF24;
  --accent-gold-glow: rgba(245, 158, 11, 0.4);
  
  --emerald: #10B981;
  --emerald-glow: rgba(16, 185, 129, 0.3);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-active: rgba(99, 102, 241, 0.6);
  --border-gold: rgba(245, 158, 11, 0.6);
  
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  /* Shadows & Effects */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);
  --shadow-gold: 0 0 35px rgba(245, 158, 11, 0.3);
  
  --glass-bg: rgba(15, 20, 38, 0.7);
  --glass-blur: blur(16px);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

/* Glowing Background Blur Effects */
body::before {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.08) 40%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* Layout Wrappers */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5.5rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3.75rem 0;
  }
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: #FFFFFF;
  line-height: 1.25;
  font-weight: 700;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--primary-light) 70%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #FFF 20%, var(--accent-gold-light) 60%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
  line-height: 1.7;
}

/* Top Announcement Bar */
.top-bar {
  background: linear-gradient(90deg, #1E1B4B 0%, #312E81 50%, #1E1B4B 100%);
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-badge {
  background: var(--accent-gold);
  color: #000;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

/* Main Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  background: rgba(7, 9, 19, 0.95);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #FFFFFF;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--primary-glow);
  font-size: 1.4rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-tag {
  font-size: 0.65rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
  display: block;
  margin-top: -4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.925rem;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-cta-btn {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
  color: #000000;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: var(--shadow-gold);
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(245, 158, 11, 0.6);
  filter: brightness(1.08);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #FFF;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 3rem 0 4rem 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-areas: 
    "header image"
    "details image";
  gap: 2rem 3.5rem;
  align-items: center;
}

.hero-header-area {
  grid-area: header;
}

.hero-image-area {
  grid-area: image;
}

.hero-details-area {
  grid-area: details;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.hero-badge-icon {
  color: var(--accent-gold);
}

.hero-badge-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-light);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-headline {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.hero-subhead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.hero-highlight-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--bg-card);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  font-weight: 600;
}

.hero-highlight-icon {
  width: 26px;
  height: 26px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 480px;
}

.cta-button-main {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
  color: #070913;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  padding: 1.15rem 2.25rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  text-align: center;
  box-shadow: var(--shadow-gold), 0 0 50px rgba(245, 158, 11, 0.35);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
}

.cta-button-main:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 60px rgba(245, 158, 11, 0.6);
  filter: brightness(1.1);
}

.cta-subtext {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, rgba(168, 85, 247, 0.2) 50%, transparent 75%);
  filter: blur(50px);
  z-index: 1;
}

.hero-image {
  width: 100%;
  max-width: 440px;
  height: auto;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 25px 35px rgba(0, 0, 0, 0.7));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.floating-badge {
  position: absolute;
  z-index: 3;
  background: rgba(15, 20, 38, 0.85);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-medium);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge-top-right {
  top: 5%;
  right: -5%;
}

.badge-bottom-left {
  bottom: 5%;
  left: -5%;
}

.badge-avatar-group {
  display: flex;
  margin-right: -0.5rem;
}

.badge-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--bg-dark);
  margin-left: -8px;
  object-fit: cover;
}

.badge-text-primary {
  font-weight: 700;
  font-size: 0.85rem;
  color: #FFF;
}

.badge-text-secondary {
  font-size: 0.725rem;
  color: var(--text-muted);
}

/* Authority Trust Logos Banner */
.authority-banner {
  background: rgba(15, 20, 38, 0.4);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.75rem 0;
  text-align: center;
}

.authority-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.authority-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0.75;
}

.authority-logo-item {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-muted);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Problem Section */
.problem-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0D1126 100%);
  position: relative;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.problem-card:hover {
  transform: translateY(-5px);
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 10px 30px rgba(239, 68, 68, 0.1);
}

.problem-icon {
  width: 52px;
  height: 52px;
  background: rgba(239, 68, 68, 0.12);
  color: #EF4444;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.problem-card-title {
  font-size: 1.3rem;
  margin-bottom: 0.85rem;
}

.problem-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Timeline Transformation Section (NEW EXCELLENCE) */
.timeline-section {
  background: var(--bg-dark);
}

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

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  transition: var(--transition-normal);
}

.timeline-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.timeline-tag {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.timeline-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

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

/* Science Stats Banner (NEW) */
.stats-banner {
  background: linear-gradient(135deg, #10152B 0%, #171E3C 100%);
  border-y: 1px solid var(--border-medium);
  padding: 3.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Use Cases Section (NEW) */
.usecases-section {
  background: linear-gradient(180deg, #0D1126 0%, var(--bg-dark) 100%);
}

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

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  gap: 1.5rem;
  transition: var(--transition-normal);
}

.usecase-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
}

.usecase-icon {
  width: 56px;
  height: 56px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.usecase-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

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

/* Dosage Protocol Box (NEW) */
.dosage-section {
  background: var(--bg-dark);
}

.dosage-box {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.dosage-steps {
  list-style: none;
}

.dosage-step-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.dosage-step-num {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.dosage-step-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: #FFF;
  margin-bottom: 0.2rem;
}

.dosage-step-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Science & 3-Step Synergy */
.science-section {
  background: var(--bg-dark);
  position: relative;
}

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

.synergy-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  transition: var(--transition-normal);
}

.synergy-step-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.step-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(99, 102, 241, 0.2);
}

.step-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%);
  border: 1px solid var(--border-active);
  color: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.step-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.step-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Interactive Ingredients Grid */
.ingredients-section {
  background: linear-gradient(180deg, #0D1126 0%, var(--bg-dark) 100%);
}

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

.ingredient-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.ingredient-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md);
}

.ingredient-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.ingredient-badge-icon {
  width: 42px;
  height: 42px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--emerald);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.ingredient-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.ingredient-role {
  font-size: 0.75rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.ingredient-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.ingredient-footnote {
  font-size: 0.775rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Comparison Table */
.comparison-section {
  background: var(--bg-dark);
}

.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  box-shadow: var(--shadow-lg);
  margin-top: 3rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 680px;
}

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

.comparison-table th {
  background: var(--bg-elevated);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFF;
}

.comparison-table th.highlight-col {
  background: linear-gradient(180deg, #1E1B4B 0%, rgba(99, 102, 241, 0.25) 100%);
  color: var(--accent-gold);
  font-size: 1.25rem;
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

.comparison-table td.highlight-col {
  background: rgba(99, 102, 241, 0.06);
  font-weight: 700;
  color: #FFF;
}

.check-icon {
  color: var(--emerald);
  font-size: 1.3rem;
  font-weight: 900;
}

.cross-icon {
  color: #EF4444;
  font-size: 1.2rem;
}

/* Pricing / Order Packages Section */
.pricing-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0F1428 100%);
  position: relative;
  scroll-margin-top: 80px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
  margin-top: 3.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-medium);
}

.pricing-card.best-value {
  background: linear-gradient(180deg, #151A33 0%, #1A2042 100%);
  border: 2px solid var(--border-gold);
  box-shadow: var(--shadow-gold), 0 0 50px rgba(245, 158, 11, 0.2);
  transform: scale(1.04);
  z-index: 2;
}

.pricing-card.best-value:hover {
  transform: scale(1.06) translateY(-8px);
}

.pricing-ribbon {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
  color: #000;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.4rem 1.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.pricing-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

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

.pricing-image-wrap {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.pricing-image {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(0,0,0,0.5));
}

.price-box {
  text-align: center;
  margin-bottom: 1.5rem;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
}

.price-currency {
  font-size: 1.8rem;
  vertical-align: super;
}

.price-unit {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.price-original {
  font-size: 1rem;
  color: var(--text-dim);
  text-decoration: line-through;
  margin-top: 0.25rem;
}

.price-savings {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.pricing-feature-item i {
  color: var(--emerald);
  font-size: 1.1rem;
}

.btn-package {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
  color: #070913;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  padding: 1.1rem 1.5rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  text-align: center;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
  transition: var(--transition-normal);
}

.btn-package:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(245, 158, 11, 0.5);
  filter: brightness(1.08);
}

.pricing-guarantee-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
  text-align: center;
}

/* Reviews / Testimonials Section */
.reviews-section {
  background: var(--bg-dark);
}

.reviews-filter {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary);
  color: #FFF;
  border-color: var(--primary-light);
  box-shadow: var(--shadow-glow);
}

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

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
}

.review-user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-light);
}

.review-user-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.review-verified-badge {
  font-size: 0.75rem;
  color: var(--emerald);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
}

.review-stars {
  color: var(--accent-gold);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.review-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.review-text {
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.65;
  flex-grow: 1;
}

/* FAQ Section */
.faq-section {
  background: linear-gradient(180deg, #0D1126 0%, var(--bg-dark) 100%);
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item.active {
  border-color: var(--border-active);
  background: var(--bg-elevated);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem;
  text-align: left;
  color: #FFF;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform 0.3s ease;
  color: var(--primary-light);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Risk-Free Guarantee Section */
.guarantee-section {
  background: var(--bg-dark);
  padding: 4rem 0;
}

.guarantee-box {
  background: linear-gradient(135deg, rgba(30, 27, 75, 0.8) 0%, rgba(15, 20, 38, 0.9) 100%);
  border: 2px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-gold);
}

.guarantee-badge-img {
  width: 100%;
  height: auto;
  max-width: 180px;
}

.guarantee-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.guarantee-text {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Bottom Sticky Floating CTA Bar (Mobile & Desktop) */
.sticky-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-medium);
  padding: 0.85rem 1.5rem;
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.sticky-bottom-bar.visible {
  transform: translateY(0);
}

.sticky-bar-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sticky-product-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sticky-thumb {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.sticky-title {
  font-weight: 800;
  font-size: 1rem;
}

.sticky-subtitle {
  font-size: 0.8rem;
  color: var(--emerald);
  font-weight: 600;
}

.sticky-btn {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
  color: #000;
  font-family: var(--font-heading);
  font-weight: 800;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 1rem;
  box-shadow: var(--shadow-gold);
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 90px;
  left: 20px;
  background: rgba(15, 20, 38, 0.95);
  border: 1px solid var(--border-medium);
  border-left: 4px solid var(--emerald);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 1rem;
  transform: translateX(-150%);
  transition: transform 0.5s ease;
}

.toast-notification.show {
  transform: translateX(0);
}

.toast-icon {
  color: var(--emerald);
  font-size: 1.4rem;
}

.toast-text {
  font-size: 0.85rem;
  color: #FFF;
}

.toast-time {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Exit Intent Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card-solid);
  border: 2px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  max-width: 520px;
  width: 90%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-gold);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-badge {
  background: rgba(239, 68, 68, 0.15);
  color: #EF4444;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.modal-title {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Footer */
footer {
  background: #04050C;
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col-title {
  color: #FFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

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

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.disclaimer-box {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  line-height: 1.6;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  
  .hero-header-area {
    order: 1;
  }
  
  .hero-image-area {
    order: 2;
    width: 100%;
    margin: 0.5rem 0;
  }

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

  .hero-details-area {
    order: 3;
    width: 100%;
  }

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

  .hero-cta-group {
    margin: 0 auto;
  }

  .problem-grid, .synergy-grid, .ingredients-grid, .pricing-grid, .reviews-grid, .timeline-grid, .stats-grid, .usecases-grid, .dosage-box {
    grid-template-columns: 1fr;
  }

  .pricing-card.best-value {
    transform: none;
  }

  .pricing-card.best-value:hover {
    transform: translateY(-5px);
  }

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

  .guarantee-box {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .guarantee-badge-img {
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }

  .top-bar {
    font-size: 0.75rem;
  }

  .hero-headline {
    font-size: 2rem;
  }

  .hero-image {
    max-width: 270px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .badge-top-right, .badge-bottom-left {
    display: none;
  }

  .sticky-title, .sticky-subtitle {
    font-size: 0.8rem;
  }
}