/* ================================================
   3ON DJ PRO Kit — Premium Design System
   Created: March 2026
   ================================================ */

/* CSS Custom Properties - Design Tokens */
:root {
  /* Primary Colors - Electric Energy */
  --primary: #8B5CF6;
  --primary-light: #A78BFA;
  --primary-dark: #7C3AED;
  --primary-glow: rgba(139, 92, 246, 0.4);
  
  /* Accent Colors - Neon Highlights */
  --accent-cyan: #06B6D4;
  --accent-pink: #EC4899;
  --accent-orange: #F97316;
  --accent-green: #10B981;
  --accent-gold: #FBBF24;
  
  /* Background Colors - Deep Space */
  --bg-dark: #0A0A0F;
  --bg-card: #12121A;
  --bg-card-hover: #1A1A25;
  --bg-elevated: #18182A;
  --bg-gradient-hero: linear-gradient(135deg, #0A0A0F 0%, #1A0A2E 50%, #0A0A0F 100%);
  --bg-gradient-cta: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
  --bg-gradient-gold: linear-gradient(135deg, #F97316 0%, #FBBF24 100%);
  
  /* Text Colors */
  --text-primary: #FFFFFF;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
  --text-accent: #E4E4E7;
  
  /* Borders & Dividers */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(139, 92, 246, 0.3);
  --divider: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.3), transparent);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
  --shadow-glow-pink: 0 0 40px rgba(236, 72, 153, 0.3);
  --shadow-glow-gold: 0 0 40px rgba(251, 191, 36, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ================================================
   Reset & Base Styles
   ================================================ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  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;
}

/* Selection Styling */
::selection {
  background-color: var(--primary);
  color: var(--text-primary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* ================================================
   Typography System
   ================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-gradient {
  background: var(--bg-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-gold {
  background: var(--bg-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent {
  color: var(--primary-light);
}

.text-cyan { color: var(--accent-cyan); }
.text-pink { color: var(--accent-pink); }
.text-orange { color: var(--accent-orange); }
.text-green { color: var(--accent-green); }
.text-gold { color: var(--accent-gold); }

/* ================================================
   Layout Components
   ================================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-sm {
  max-width: 960px;
}

.container-lg {
  max-width: 1440px;
}

section {
  padding: var(--space-4xl) 0;
  position: relative;
}

/* ================================================
   Navigation
   ================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: var(--space-sm) 0;
  background: rgba(10, 10, 15, 0.95);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-gradient-cta);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-gradient-cta);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* ================================================
   Buttons
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--bg-gradient-cta);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-accent);
}

.btn-secondary:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: var(--primary);
}

.btn-gold {
  background: var(--bg-gradient-gold);
  color: var(--bg-dark);
  font-weight: 700;
}

.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-gold);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

.btn-xl {
  padding: var(--space-lg) var(--space-3xl);
  font-size: 1.25rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ================================================
   Cards
   ================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-elevated {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-md);
}

.card-gradient {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  border-color: var(--border-accent);
}

/* ================================================
   Hero Section
   ================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--bg-gradient-hero);
  z-index: -2;
}

.hero-glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  z-index: -1;
}

.hero-glow-1 {
  top: -200px;
  right: -200px;
  background: var(--primary);
}

.hero-glow-2 {
  bottom: -300px;
  left: -200px;
  background: var(--accent-pink);
}

.hero-glow-3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: var(--accent-cyan);
  opacity: 0.2;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: var(--space-xl);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.hero-price-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
}

.price-original {
  font-size: 1.25rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.price-current {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.price-savings {
  font-size: 0.875rem;
  color: var(--accent-green);
  font-weight: 600;
}

.hero-urgency {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--accent-orange);
  font-weight: 500;
  font-size: 0.9375rem;
}

.hero-urgency-icon {
  width: 18px;
  height: 18px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-color);
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-display);
  background: var(--bg-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ================================================
   Problem Section
   ================================================ */

.problem-section {
  background: var(--bg-dark);
  position: relative;
}

.problem-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--divider);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.problem-card {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--accent-orange);
}

.problem-icon {
  width: 48px;
  height: 48px;
  background: rgba(249, 115, 22, 0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.problem-card h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.problem-card p {
  font-size: 0.9375rem;
}

/* ================================================
   Social Proof Section
   ================================================ */

.social-proof {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-2xl) 0;
}

.social-proof-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2xl);
}

.social-proof-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.social-proof-icon {
  width: 56px;
  height: 56px;
  background: rgba(139, 92, 246, 0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.social-proof-text strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.social-proof-text span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ================================================
   Kit Overview Section
   ================================================ */

.kit-overview {
  position: relative;
}

.kit-overview-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.kit-overview-header p {
  max-width: 600px;
  margin: var(--space-md) auto 0;
}

.kit-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.kit-stat-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.kit-stat-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.kit-stat-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: var(--bg-gradient-cta);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.kit-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--text-primary);
}

.kit-stat-label {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.kit-stat-value {
  display: block;
  font-size: 0.875rem;
  color: var(--accent-green);
  font-weight: 600;
  margin-top: var(--space-xs);
}

/* ================================================
   Category Section
   ================================================ */

.category-section {
  position: relative;
}

.category-section:nth-child(even) {
  background: var(--bg-card);
}

.category-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.category-number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: var(--bg-gradient-cta);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
}

.category-info h3 {
  margin-bottom: var(--space-sm);
}

.category-value {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(16, 185, 129, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-green);
}

.category-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.category-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.category-item:hover {
  border-color: var(--border-accent);
  background: var(--bg-card);
}

.category-item-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
}

.category-item-content h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.category-item-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.category-item-value {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-gold);
}

/* ================================================
   Full Breakdown Table
   ================================================ */

.breakdown-section {
  background: var(--bg-card);
}

.breakdown-table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
}

.breakdown-table th {
  padding: var(--space-lg);
  text-align: left;
  background: var(--bg-elevated);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.breakdown-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9375rem;
}

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

.breakdown-table tr:hover td {
  background: rgba(139, 92, 246, 0.05);
}

.breakdown-table .item-number {
  color: var(--text-muted);
  font-weight: 500;
}

.breakdown-table .item-name {
  font-weight: 600;
  color: var(--text-primary);
}

.breakdown-table .item-category {
  color: var(--primary-light);
  font-size: 0.8125rem;
}

.breakdown-table .item-value {
  font-weight: 700;
  color: var(--accent-gold);
}

.breakdown-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(236, 72, 153, 0.15) 100%);
  border-radius: var(--radius-xl);
  margin-top: var(--space-xl);
}

.breakdown-total-label {
  font-size: 1.25rem;
  font-weight: 600;
}

.breakdown-total-value {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--accent-gold);
}

/* ================================================
   Bonus Section
   ================================================ */

.bonus-section {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.05) 0%, rgba(249, 115, 22, 0.05) 100%);
  border-top: 1px solid rgba(251, 191, 36, 0.2);
  border-bottom: 1px solid rgba(251, 191, 36, 0.2);
}

.bonus-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.bonus-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-gradient-gold);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--bg-dark);
  margin-bottom: var(--space-md);
}

.bonus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.bonus-card {
  background: var(--bg-card);
  border: 2px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.bonus-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: var(--bg-gradient-gold);
  opacity: 0.1;
  border-radius: 0 0 0 100%;
}

.bonus-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-gold);
}

.bonus-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-gradient-gold);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.bonus-card h4 {
  margin-bottom: var(--space-sm);
}

.bonus-card p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
}

.bonus-value {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(251, 191, 36, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.bonus-exclusive {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--accent-orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ================================================
   FAQ Section
   ================================================ */

.faq-section {
  background: var(--bg-dark);
}

.faq-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--border-accent);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--text-primary);
  background: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: transform var(--transition-base);
}

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

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ================================================
   Testimonials Section
   ================================================ */

.testimonials-section {
  background: var(--bg-card);
}

.testimonials-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

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

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  color: var(--accent-gold);
  font-size: 1.125rem;
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: var(--bg-gradient-cta);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
}

.testimonial-info strong {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-info span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ================================================
   Guarantee Section
   ================================================ */

.guarantee-section {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  border-top: 1px solid rgba(16, 185, 129, 0.3);
  border-bottom: 1px solid rgba(16, 185, 129, 0.3);
}

.guarantee-content {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  max-width: 900px;
  margin: 0 auto;
}

.guarantee-icon-wrapper {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
  background: var(--bg-dark);
  border: 3px solid var(--accent-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.guarantee-icon-wrapper::before {
  content: '';
  position: absolute;
  inset: -10px;
  border: 2px dashed rgba(16, 185, 129, 0.4);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.guarantee-icon {
  font-size: 4rem;
}

.guarantee-text h3 {
  margin-bottom: var(--space-md);
}

.guarantee-text p {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.guarantee-days {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-full);
  font-weight: 700;
  color: var(--accent-green);
  margin-top: var(--space-md);
}

/* ================================================
   About Section
   ================================================ */

.about-section {
  background: var(--bg-dark);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--space-lg);
}

.about-text p {
  margin-bottom: var(--space-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.about-stat {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
}

.about-stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-display);
  background: var(--bg-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.about-image {
  position: relative;
}

.about-image-main {
  width: 100%;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.about-image-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  padding: var(--space-lg);
  background: var(--bg-gradient-cta);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow);
}

.about-image-badge strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
}

.about-image-badge span {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ================================================
   Final CTA Section
   ================================================ */

.final-cta-section {
  background: var(--bg-gradient-hero);
  position: relative;
  overflow: hidden;
}

.final-cta-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}

.final-cta-glow-1 {
  top: -200px;
  left: -100px;
  background: var(--primary);
}

.final-cta-glow-2 {
  bottom: -200px;
  right: -100px;
  background: var(--accent-pink);
}

.final-cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.final-cta-content h2 {
  margin-bottom: var(--space-md);
}

.final-cta-content p {
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.125rem;
}

.final-cta-price-box {
  display: inline-block;
  background: var(--bg-card);
  border: 2px solid var(--border-accent);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl) var(--space-3xl);
  margin-bottom: var(--space-xl);
}

.final-cta-price-original {
  font-size: 1.25rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.final-cta-price-current {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--accent-gold);
  display: block;
  margin: var(--space-sm) 0;
}

.final-cta-price-value {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.final-cta-urgency {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  color: var(--accent-orange);
  font-weight: 600;
}

/* ================================================
   Footer
   ================================================ */

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  max-width: 300px;
}

.footer-nav h5 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-light);
}

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

.footer-copyright {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-primary);
}

/* ================================================
   Utility Classes
   ================================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ================================================
   Responsive Design
   ================================================ */

@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .about-image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: var(--space-3xl) 0;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .kit-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .guarantee-content {
    flex-direction: column;
    text-align: center;
  }
  
  .guarantee-icon-wrapper {
    width: 120px;
    height: 120px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand p {
    max-width: 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .category-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .kit-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-cta-group {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-lg, .btn-xl {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
  }
  
  .breakdown-total {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
}

/* ================================================
   Animations
   ================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease forwards;
}

.animate-scale-in {
  animation: scaleIn 0.6s ease forwards;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Stagger animations */
.animate-delay-100 { animation-delay: 100ms; }
.animate-delay-200 { animation-delay: 200ms; }
.animate-delay-300 { animation-delay: 300ms; }
.animate-delay-400 { animation-delay: 400ms; }
.animate-delay-500 { animation-delay: 500ms; }

/* ================================================
   Print Styles
   ================================================ */

@media print {
  body {
    background: white;
    color: black;
  }
  
  .navbar, .hero-glow, .final-cta-glow {
    display: none;
  }
  
  .card, .card-elevated {
    background: white;
    border: 1px solid #ddd;
    box-shadow: none;
  }
  
  .btn {
    border: 2px solid black;
    background: white;
    color: black;
  }
}