/*
  Modern Enhanced Styles for Safe Productivity
  A clean, modern VPN review site with focus on user experience and conversion
*/

/* Modern CSS Variables */
:root {
  /* Colors - Enhanced for better contrast */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --secondary: #059669;
  --secondary-dark: #047857;
  --accent: #dc2626;
  --warning: #d97706;
  --success: #16a34a;
  --danger: #dc2626;

  /* Neutrals - Improved contrast ratios */
  --dark: #111827;
  --gray-dark: #374151;
  --gray: #6b7280;
  --gray-light: #d1d5db;
  --light: #f9fafb;
  --white: #ffffff;

  /* Backgrounds - Better separation */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-gradient: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  --bg-hero: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);

  /* Shadows - More defined */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-feature: 0 25px 50px rgba(37, 99, 235, 0.15);

  /* Spacing & Layout - Better proportions */
  --max-width: 1400px;
  --container-padding: 2rem;
  --section-spacing: 6rem;
  --card-padding: 2rem;
  --element-spacing: 1.5rem;

  /* Border Radius - More consistent */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Borders - Better definition */
  --border-light: 1px solid rgba(0, 0, 0, 0.06);
  --border-medium: 1px solid rgba(0, 0, 0, 0.12);
  --border-accent: 2px solid var(--primary);

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;

  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* Legacy Support */
  --color-bg: var(--bg-secondary);
  --color-primary: var(--primary);
  --color-accent: var(--primary-light);
  --color-muted: var(--gray);
  --color-text: var(--dark);
  --color-light: var(--white);
  --color-border: var(--gray-light);
  --color-success: var(--success);
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: var(--bg-primary);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
a {
  color: var(--primary);
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
}

a:hover {
  color: var(--primary-dark);
  transform: translateY(-1px);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--element-spacing);
  color: var(--gray-dark);
  font-size: var(--font-size-base);
  line-height: 1.7;
  font-weight: 400;
}

/* Better text hierarchy */
.lead-text {
  font-size: var(--font-size-lg);
  color: var(--gray-dark);
  font-weight: 500;
  line-height: 1.6;
}

.small-text {
  font-size: var(--font-size-sm);
  color: var(--gray);
  line-height: 1.5;
}

ul, ol {
  list-style: none;
  margin-bottom: 1rem;
}

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

/* Focus States */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Selection Styles */
::selection {
  background: var(--primary);
  color: white;
}

::-moz-selection {
  background: var(--primary);
  color: white;
}

/* Modern Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  padding: 0 var(--container-padding);
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-col {
  display: flex;
  flex-direction: column;
}

/* Spacing Utilities */
.section {
  padding: var(--section-spacing) 0;
}

/* Text Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--primary) !important; }
.text-muted { color: var(--gray) !important; }

.highlight {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  position: relative;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray);
  line-height: 1.7;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0.9;
}

/* Modern Header */
header {
  position: fixed;
  top: 60px; /* Account for banner height */
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  position: relative;
}

header .logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all var(--transition);
}

header .logo:hover {
  transform: translateY(-2px);
}

header .logo svg {
  width: 28px;
  height: 28px;
  fill: var(--primary);
}

/* Navigation menu */
.menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.menu a {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition);
  position: relative;
}

.menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition);
  transform: translateX(-50%);
}

.menu a:hover::after {
  width: 80%;
}

.menu a:hover {
  background-color: var(--light);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Dropdown Menu Styles */
.dropdown {
  position: relative;
}

.dropdown-arrow {
  font-size: 0.7em;
  margin-left: 0.5rem;
  transition: transform var(--transition);
}

.dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 1rem 0;
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
  z-index: 1000;
  border: 1px solid rgba(0,0,0,0.08);
}

.dropdown:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-content a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  border-radius: 0;
}

.dropdown-content a::after {
  display: none;
}

.dropdown-content a:hover {
  background: var(--light);
  color: var(--primary);
  transform: translateX(5px);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--dark);
  border-radius: 3px;
  transition: all var(--transition);
}

/* Breadcrumb Navigation */
.breadcrumb {
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding: 1rem 0;
  margin-top: var(--header-height);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
  content: '›';
  margin-left: 0.5rem;
  color: var(--gray);
  font-weight: bold;
}

.breadcrumb-list a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
  color: var(--primary-dark);
}

.breadcrumb-list li:last-child {
  color: var(--gray);
}

/* Hero Badge */
.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

/* Hero Features */
.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition);
}

.hero-feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 1.5rem;
}

/* Content Categories - Better section separation */
.content-categories {
  padding: var(--section-spacing) 0;
  background: var(--bg-secondary);
  border-top: var(--border-light);
  border-bottom: var(--border-light);
}

/* Section spacing improvements */
.section {
  padding: var(--section-spacing) 0;
  margin-bottom: 0;
}

.section + .section {
  border-top: var(--border-light);
}

/* Content spacing */
.content-wrapper {
  margin-bottom: calc(var(--element-spacing) * 2);
}

.content-wrapper:last-child {
  margin-bottom: 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.category-card {
  position: relative;
  display: block;
  text-decoration: none;
  background: var(--white);
  border: var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
  margin-bottom: var(--element-spacing);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--bg-gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
  background: var(--bg-secondary);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.category-card h3 {
  color: var(--dark);
  margin-bottom: 0.5rem;
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.category-card p {
  color: var(--gray);
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
}

.category-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Related Links */
.related-links {
  margin: 1rem 0;
  padding: 0.75rem;
  background: rgba(0, 102, 255, 0.05);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

.related-label {
  font-size: var(--font-size-xs);
  color: var(--gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.related-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-left: 0.5rem;
  transition: color var(--transition-fast);
}

.related-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Content Discovery */
.content-discovery {
  padding: 4rem 0;
  background: var(--white);
}

.discovery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.discovery-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid rgba(0,0,0,0.05);
  transition: all var(--transition);
}

.discovery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.discovery-card h3 {
  color: var(--dark);
  margin-bottom: 1.5rem;
  font-size: var(--font-size-xl);
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.5rem;
}

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

.discovery-links li {
  margin-bottom: 0.75rem;
}

.discovery-links a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  padding: 0.5rem;
  border-radius: var(--radius);
}

.discovery-links a::before {
  content: '→';
  margin-right: 0.75rem;
  color: var(--primary);
  font-weight: bold;
  transition: transform var(--transition-fast);
}

.discovery-links a:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateX(5px);
}

.discovery-links a:hover::before {
  transform: translateX(3px);
}

/* Advanced Techniques Section */
.advanced-techniques {
  padding: 5rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.techniques-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.technique-card {
  background: var(--white);
  border: var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--element-spacing);
}

.technique-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--bg-gradient);
}

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

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

.technique-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.technique-card h3 {
  color: var(--dark);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.research-badge {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: 100%;
  text-align: center;
  margin-top: 0.5rem;
}

.technique-description {
  color: var(--dark);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: var(--font-size-base);
}

.research-sources {
  background: var(--bg-tertiary);
  border: var(--border-light);
  border-left: 3px solid var(--primary);
  padding: 1.25rem;
  margin-bottom: var(--element-spacing);
  border-radius: var(--radius);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.research-sources strong {
  color: var(--primary);
  display: block;
  margin-bottom: 0.75rem;
  font-size: var(--font-size-base);
  font-weight: 600;
}

.implementation-tip {
  background: var(--bg-secondary);
  border: var(--border-light);
  border-left: 3px solid var(--secondary);
  padding: 1.25rem;
  margin-bottom: var(--element-spacing);
  border-radius: var(--radius);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.implementation-tip strong {
  color: var(--secondary-dark);
  display: block;
  margin-bottom: 0.75rem;
  font-size: var(--font-size-base);
  font-weight: 600;
}

.research-cta {
  margin-top: 4rem;
  text-align: center;
  background: var(--white);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.research-cta h3 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: var(--font-size-2xl);
}

.research-cta p {
  color: var(--gray);
  font-size: var(--font-size-lg);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.research-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

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

.research-stat .stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.research-stat .stat-label {
  color: var(--gray);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Time Management Section */
.time-management {
  padding: 5rem 0;
  background: var(--white);
}

.time-strategies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.strategy-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid rgba(0,0,0,0.05);
  transition: all var(--transition);
  position: relative;
}

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

.strategy-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.strategy-card h3 {
  color: var(--dark);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.research-citation {
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius);
  display: inline-block;
}

.strategy-card > p {
  color: var(--dark);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: var(--font-size-base);
}

.strategy-details {
  border-top: 2px solid rgba(0, 102, 255, 0.1);
  padding-top: 1.5rem;
}

.research-highlight {
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(255, 71, 87, 0.1));
  border-left: 3px solid var(--accent);
  padding: 1rem;
  margin-bottom: 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--font-size-sm);
}

.research-highlight strong {
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.implementation-steps {
  margin-bottom: 1.5rem;
}

.implementation-steps strong {
  color: var(--secondary-dark);
  display: block;
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
}

.implementation-steps ol {
  padding-left: 1.5rem;
  color: var(--dark);
}

.implementation-steps li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.research-refs {
  background: rgba(0, 102, 255, 0.05);
  border-left: 3px solid var(--primary);
  padding: 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--font-size-sm);
}

.research-refs strong {
  color: var(--primary);
  display: block;
  margin-bottom: 0.5rem;
}

.time-management-resources {
  margin-top: 4rem;
  background: var(--bg-secondary);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
}

.time-management-resources h3 {
  color: var(--dark);
  margin-bottom: 2rem;
  font-size: var(--font-size-2xl);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.resource-item {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.resource-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.resource-item h4 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.resource-item p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.resource-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-fast);
}

.resource-link:hover {
  color: var(--primary-dark);
}

.resource-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.resource-link:hover::after {
  transform: translateX(3px);
}

/* Focus Enhancement Section */
.focus-enhancement {
  padding: 5rem 0;
  background: linear-gradient(135deg, #e9ecef 0%, #f8f9fa 100%);
}

.focus-techniques-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.focus-technique-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
}

.focus-technique-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--secondary));
}

.focus-technique-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.neuroscience-details {
  border-top: 3px solid rgba(0, 102, 255, 0.1);
  padding-top: 2rem;
  margin-top: 2rem;
}

.brain-mechanism {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
  border-left: 4px solid var(--primary);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--font-size-sm);
}

.brain-mechanism strong {
  color: var(--primary);
  display: block;
  margin-bottom: 0.75rem;
  font-size: var(--font-size-base);
}

.research-findings {
  margin-bottom: 1.5rem;
}

.research-findings strong {
  color: var(--secondary-dark);
  display: block;
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
}

.research-findings ul {
  padding-left: 1.5rem;
  color: var(--dark);
}

.research-findings li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.practice-protocol {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(0, 184, 148, 0.1));
  border-left: 4px solid var(--secondary);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.practice-protocol strong {
  color: var(--secondary-dark);
  display: block;
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
}

.practice-protocol ol {
  padding-left: 1.5rem;
  color: var(--dark);
}

.practice-protocol li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.research-citations {
  background: rgba(0, 102, 255, 0.05);
  border-left: 4px solid var(--primary);
  padding: 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--font-size-sm);
}

.research-citations strong {
  color: var(--primary);
  display: block;
  margin-bottom: 0.5rem;
}

.focus-enhancement-resources {
  margin-top: 4rem;
  background: var(--white);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.focus-enhancement-resources h3 {
  color: var(--dark);
  margin-bottom: 2rem;
  font-size: var(--font-size-2xl);
}

.focus-resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.focus-resource-item {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.focus-resource-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.focus-resource-item h4 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.focus-resource-item p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.focus-resource-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-fast);
}

.focus-resource-link:hover {
  color: var(--primary-dark);
}

.focus-resource-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.focus-resource-link:hover::after {
  transform: translateX(3px);
}

.safety-note {
  background: linear-gradient(135deg, rgba(255, 167, 38, 0.1), rgba(255, 71, 87, 0.1));
  border: 2px solid var(--warning);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 2rem;
  text-align: left;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.safety-note strong {
  color: var(--warning);
  display: block;
  margin-bottom: 0.5rem;
}

/* AI Workflow Guide */
.ai-workflow-guide {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  margin-bottom: 4rem;
  border: 1px solid rgba(0,0,0,0.05);
}

.ai-workflow-guide h3 {
  color: var(--dark);
  text-align: center;
  margin-bottom: 3rem;
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

.workflow-strategies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.workflow-strategy {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
}

.workflow-strategy:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.workflow-strategy .strategy-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.workflow-strategy h4 {
  color: var(--dark);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1rem;
}

.workflow-strategy > p {
  color: var(--dark);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: var(--font-size-base);
}

.workflow-steps {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08), rgba(0, 184, 148, 0.08));
  border-left: 3px solid var(--secondary);
  padding: 1.25rem;
  margin-bottom: 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.workflow-steps strong {
  color: var(--secondary-dark);
  display: block;
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
  font-weight: 600;
}

.workflow-steps ol {
  padding-left: 1.5rem;
  color: var(--dark);
  margin: 0;
}

.workflow-steps li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  font-size: var(--font-size-sm);
}

.research-note {
  background: rgba(0, 102, 255, 0.05);
  border-left: 3px solid var(--primary);
  padding: 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--font-size-sm);
}

.research-note strong {
  color: var(--primary);
  display: inline;
  margin-right: 0.5rem;
}

/* Wellness & Ergonomics Section */
.wellness-ergonomics {
  padding: 5rem 0;
  background: var(--white);
}

.wellness-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.wellness-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
}

.wellness-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--secondary), var(--success));
}

.wellness-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

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

.wellness-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.wellness-card h3 {
  color: var(--dark);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.wellness-badge {
  background: linear-gradient(135deg, var(--success), var(--secondary));
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: 100%;
  text-align: center;
  margin-top: 0.5rem;
}

.wellness-description {
  color: var(--dark);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: var(--font-size-base);
}

.wellness-details {
  border-top: 2px solid rgba(38, 222, 129, 0.2);
  padding-top: 1.5rem;
}

.health-benefits {
  background: linear-gradient(135deg, rgba(38, 222, 129, 0.1), rgba(0, 212, 170, 0.1));
  border-left: 3px solid var(--success);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.health-benefits strong {
  color: var(--success);
  display: block;
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
}

.health-benefits ul {
  padding-left: 1.5rem;
  color: var(--dark);
  margin: 0;
}

.health-benefits li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  font-size: var(--font-size-sm);
}

.implementation-guide {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(0, 184, 148, 0.1));
  border-left: 3px solid var(--secondary);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.implementation-guide strong {
  color: var(--secondary-dark);
  display: block;
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
}

.implementation-guide ol {
  padding-left: 1.5rem;
  color: var(--dark);
  margin: 0;
}

.implementation-guide li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  font-size: var(--font-size-sm);
}

.research-support {
  background: rgba(0, 102, 255, 0.05);
  border-left: 3px solid var(--primary);
  padding: 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--font-size-sm);
}

.research-support strong {
  color: var(--primary);
  display: inline;
  margin-right: 0.5rem;
}

.wellness-resources {
  margin-top: 4rem;
  background: var(--bg-secondary);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
}

.wellness-resources h3 {
  color: var(--dark);
  margin-bottom: 2rem;
  font-size: var(--font-size-2xl);
}

.wellness-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.wellness-tool {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.wellness-tool:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.wellness-tool h4 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.wellness-tool p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.wellness-link {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-fast);
}

.wellness-link:hover {
  color: var(--secondary-dark);
}

.wellness-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.wellness-link:hover::after {
  transform: translateX(3px);
}

/* Modern Hero Section */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 120px) 0 6rem; /* Account for banner + header + spacing */
  background: var(--bg-hero);
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  background-size: cover;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

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

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 2rem;
  line-height: 1.1;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero p {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.95);
  max-width: 750px;
  margin: 0 auto 3rem;
  line-height: 1.6;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 3rem;
  max-width: 600px;
  margin: 0 auto;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--white);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Trust Section */
.trust-section {
  padding: 3rem 0;
  background: var(--light);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.trust-title {
  font-size: var(--font-size-sm);
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 600;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trust-badge {
  text-align: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  min-width: 140px;
  transition: all var(--transition);
}

.trust-badge:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.trust-badge strong {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.trust-badge span {
  font-size: var(--font-size-sm);
  color: var(--gray);
  font-weight: 500;
}

/* Modern Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: var(--font-size-base);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

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

.btn-ghost:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* Enhanced CTA Buttons */
.cta-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.25rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  color: var(--white);
  text-decoration: none;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.cta-button:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.cta-button.featured {
  background: var(--bg-gradient);
  box-shadow: var(--shadow-lg);
  border: 2px solid transparent;
}

.cta-button.featured:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.cta-button.featured::after {
  content: '⭐';
  position: absolute;
  top: -8px;
  right: -8px;
  font-size: 1rem;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.cta-button .offer {
  font-size: var(--font-size-lg);
  font-weight: 800;
}

.cta-button .action {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.cta-button .guarantee {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  font-weight: 500;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

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

/* Modern Cards - Improved readability */
.card {
  background: var(--white);
  border: var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--element-spacing);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--bg-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--dark);
  font-weight: 700;
  font-size: var(--font-size-xl);
  line-height: 1.3;
}

.card p {
  color: var(--gray-dark);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.card .card-content {
  position: relative;
  z-index: 2;
}

/* Card variants for better visual separation */
.card-highlighted {
  background: var(--bg-secondary);
  border: var(--border-medium);
}

.card-outlined {
  background: transparent;
  border: var(--border-accent);
}

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

/* Product Cards */
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-card.featured {
  border: 2px solid var(--secondary);
  transform: scale(1.05);
}

.product-card.featured::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--secondary) 0%, transparent 50%, var(--primary) 100%);
  opacity: 0.1;
  pointer-events: none;
}

.card-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--accent);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.badge-top {
  display: inline-block;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius);
  margin-left: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow-sm);
  animation: pulse 2s infinite;
}

/* Icon Wrapper */
.icon-wrapper {
  width: 64px;
  height: 64px;
  background: var(--bg-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Product Grid */
.product-grid {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  align-items: start;
}

.content-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* Rating System */
.rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.rating svg {
  width: 20px;
  height: 20px;
  fill: #ffd700;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}

.rating .inactive {
  fill: var(--gray-light);
}

.rating-score {
  margin-left: 0.5rem;
  font-weight: 700;
  color: var(--dark);
  font-size: var(--font-size-sm);
}

/* Pricing Display */
.pricing {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--light);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.price-old {
  font-size: var(--font-size-base);
  color: var(--gray);
  text-decoration: line-through;
}

.price-new {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.price-save {
  background: var(--secondary);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Features List */
.features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.features li:last-child {
  border-bottom: none;
}

/* Content Cards */
.content-card {
  position: relative;
  padding-top: 3rem;
}

.content-tag {
  position: absolute;
  top: 1.5rem;
  left: 2rem;
  background: var(--primary);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.content-link {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  transition: all var(--transition);
}

.content-link:hover {
  gap: 1rem;
  color: var(--primary-dark);
}

.content-link::after {
  content: '→';
  transition: transform var(--transition);
}

.content-link:hover::after {
  transform: translateX(5px);
}

/* Enhanced FAQ Section */
.faq {
  padding: var(--section-spacing) 0;
  background: var(--light);
}

.faq h2 {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.faq-item {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border-left: 4px solid var(--primary);
}

.faq-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.faq-item h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.faq-item p {
  color: var(--gray-dark);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Modern Newsletter Section */
.newsletter {
  background: var(--bg-gradient);
  padding: var(--section-spacing) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,32L48,80C96,128,192,224,288,224C384,224,480,128,576,90.7C672,53,768,75,864,96C960,117,1056,139,1152,149.3C1248,160,1344,160,1392,160L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat top;
  background-size: cover;
}

.newsletter .container {
  position: relative;
  z-index: 2;
}

.newsletter h2 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: var(--font-size-4xl);
  font-weight: 800;
}

.newsletter p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.75rem;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-size: var(--font-size-base);
  background: var(--white);
  color: var(--dark);
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-form button {
  padding: 1rem 2rem;
  background: var(--white);
  color: var(--primary);
  border: none;
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.newsletter-form button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.newsletter-privacy {
  margin-top: 1.5rem;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

.newsletter-privacy a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
}

.newsletter-privacy a:hover {
  color: var(--white);
}

/* Enhanced AdSense Section - PRESERVED */
.ad-section {
  padding: 3rem 0;
  background: var(--bg-secondary);
}

.ad-placeholder {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: var(--shadow-sm);
  border: 2px dashed var(--gray-light);
}

.ad-placeholder::before {
  content: 'Advertisement • Your support keeps Safe Productivity independent';
  position: absolute;
  top: 1rem;
  left: 2rem;
  font-size: var(--font-size-sm);
  color: var(--gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ad-placeholder span {
  color: var(--gray);
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-align: center;
}

/* Modern Footer */
footer {
  background: var(--dark);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-column h3 {
  color: var(--white);
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer-column p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
  font-weight: 500;
}

.footer-column a:hover {
  color: var(--white);
  transform: translateX(5px);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--white);
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--shadow-xl);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: var(--white);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  z-index: 9999;
  transform: translateY(100%);
  animation: slideUp 0.5s ease forwards;
  animation-delay: 1s;
}

.cookie-banner.hidden {
  display: none !important;
}

@keyframes slideUp {
  to { transform: translateY(0); }
}

.cookie-banner p {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--gray-dark);
  margin-bottom: 0;
}

.cookie-banner .btn {
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.cookie-accept {
  background: var(--primary);
  color: var(--white);
}

.cookie-accept:hover {
  background: var(--primary-dark);
}

/* Enhanced Responsive Design */
@media (min-width: 1200px) {
  .container {
    padding: 0 3rem;
  }

  .hero {
    padding: calc(var(--header-height) + 6rem) 0 8rem;
  }

  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: var(--font-size-5xl);
  }

  .hero p {
    font-size: var(--font-size-xl);
  }

  .newsletter-form {
    flex-direction: row;
  }

  .cta-button.featured {
    flex-direction: row;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
    --section-spacing: 3rem;
  }

  .menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    display: none;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
  }

  .menu.open {
    display: flex;
    animation: slideDown 0.3s ease;
  }

  .menu a {
    padding: 1rem 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition);
  }

  .menu a:last-child {
    border-bottom: none;
  }

  .menu a:hover {
    color: var(--primary);
    transform: translateX(10px);
  }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
  }

  .menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: all var(--transition);
  }

  .menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

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

  .hero {
    padding: calc(var(--header-height) + 2rem) 0 4rem;
    text-align: center;
  }

  .hero h1 {
    font-size: var(--font-size-3xl);
  }

  .hero p {
    font-size: var(--font-size-base);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .trust-badges {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    width: 100%;
  }

  .cta-button.featured {
    flex-direction: column;
    gap: 0.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  .cookie-banner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}

/* Additional Mobile Optimizations */
@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }

  .card {
    padding: 1.5rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .trust-badge {
    min-width: auto;
    padding: 1rem;
  }
}

/* Animations and Effects */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in.delay-1 { animation-delay: 0.2s; }
.fade-in.delay-2 { animation-delay: 0.4s; }
.fade-in.delay-3 { animation-delay: 0.6s; }

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

/* Performance Optimizations */
.card,
.btn,
.cta-button {
  will-change: transform;
}

.hero::before,
.newsletter::before {
  will-change: opacity;
}

/* Comparison table - Enhanced readability */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
  margin: 2rem 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison-table th, .comparison-table td {
  border: none;
  border-bottom: var(--border-light);
  padding: 1rem 0.75rem;
  text-align: left;
  vertical-align: middle;
}

.comparison-table th {
  background: var(--bg-tertiary);
  color: var(--dark);
  font-weight: 700;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: var(--border-medium);
}

.comparison-table tbody tr {
  transition: background-color var(--transition-fast);
}

.comparison-table tbody tr:hover {
  background-color: var(--bg-secondary);
}

.comparison-table tbody tr:nth-child(even) {
  background-color: var(--light);
}

.comparison-table a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.comparison-table a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.comparison-table td:first-child {
  font-weight: 600;
  color: var(--gray-dark);
  background: var(--bg-secondary);
}

/* Badge styles in tables */
.badge-best {
  background: var(--success);
  color: var(--white);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-left: 0.5rem;
}

/* Responsive comparison table wrapper */
.table-wrapper {
  overflow-x: auto;
  width: 100%;
}

@media (max-width: 768px) {
  .comparison-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* Blog and content styles */
.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--white);
  border: var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  margin-bottom: var(--element-spacing);
  position: relative;
  overflow: hidden;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--bg-gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.blog-card:hover::before {
  transform: scaleX(1);
}

.blog-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: 1rem;
  color: var(--dark);
  line-height: 1.3;
  font-weight: 700;
}

.blog-card p {
  color: var(--gray-dark);
  font-size: var(--font-size-base);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.blog-card .read-more {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.blog-card .read-more:hover {
  color: var(--primary-dark);
  gap: 0.75rem;
}

.blog-card .read-more::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.blog-card .read-more:hover::after {
  transform: translateX(3px);
}

/* Breadcrumb */
.breadcrumb {
  font-size: var(--font-size-sm);
  margin-bottom: 1rem;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  gap: 0.5rem;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--gray);
}

.breadcrumb a {
  color: var(--gray);
}

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

/* Argil Top Banner */
.argil-banner {
  background: linear-gradient(135deg, #5f27cd 0%, #341f97 100%);
  color: white;
  padding: 1rem 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  width: 100%;
}

.argil-banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.argil-banner-text {
  font-size: 0.95rem;
  font-weight: 500;
  flex: 1;
  min-width: 250px;
}

.argil-code {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: #ffd32a;
}

.argil-banner-cta {
  background: white;
  color: var(--primary);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.argil-banner-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Mobile adjustments for banner */
@media (max-width: 768px) {
  .argil-banner {
    padding: 0.75rem 0;
  }

  .argil-banner-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .argil-banner-text {
    min-width: auto;
    font-size: 0.85rem;
  }

  .argil-banner-cta {
    align-self: stretch;
    padding: 0.6rem 1rem;
  }

  /* Adjust header position for mobile */
  header {
    top: 50px; /* Smaller banner height on mobile */
  }

  /* Adjust hero padding for mobile */
  .hero {
    padding: calc(var(--header-height) + 100px) 0 4rem;
  }
}