/* ==========================================
   LinkLiberator Landing Page V2
   Modern, Conversion-Focused Design
   ========================================== */

/* ==========================================
   VARIABLES & DESIGN TOKENS
   ========================================== */
:root {
  /* Colors - Purple/Blue Gradient Palette */
  --color-primary: #667eea;
  --color-primary-dark: #5568d3;
  --color-secondary: #764ba2;
  --color-accent: #f093fb;

  /* Neutrals */
  --color-dark: #1a202c;
  --color-gray: #718096;
  --color-light-gray: #e2e8f0;
  --color-bg: #f7fafc;
  --color-white: #ffffff;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  cursor: auto !important;
}

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

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-dark);
  background: var(--color-white);
  overflow-x: hidden;
  cursor: auto !important;
}

/* Interactive elements get pointer cursor */
a, button, .btn, [role="button"], [type="button"], [type="submit"],
.nav-link, .navbar-toggler {
  cursor: pointer !important;
}

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

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: var(--space-sm) 0;
  transition: all var(--transition-base);
}

.navbar-brand {
  font-weight: var(--font-weight-bold);
  font-size: 1.25rem;
  color: var(--color-dark);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  color: var(--color-gray);
  font-weight: var(--font-weight-medium);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: var(--space-xs) var(--space-md);
}

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

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer !important;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-hero);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent !important;
  color: var(--color-white) !important;
  border: 2px solid var(--color-white) !important;
  font-weight: var(--font-weight-semibold);
}

.btn-outline:hover {
  background: var(--color-white) !important;
  color: var(--color-primary) !important;
  border-color: var(--color-white) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: var(--color-white);
  overflow: hidden;
  padding: var(--space-3xl) 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.6;
  opacity: 0.95;
  margin-bottom: var(--space-xl);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-white);
}

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

.trust-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  justify-content: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.trust-stat-number {
  display: block;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.trust-stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ==========================================
   SECTION STYLES
   ========================================== */
.section {
  padding: var(--space-3xl) 0;
}

.section-light {
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--space-2xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-dark);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray);
  line-height: 1.6;
}

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

.feature-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.feature-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.feature-icon i {
  font-size: 1.5rem !important;
  color: var(--color-white) !important;
  line-height: 1;
  display: inline-block !important;
  font-style: normal !important;
  font-weight: normal !important;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

.feature-description {
  color: var(--color-gray);
  line-height: 1.6;
}

/* ==========================================
   COMPARISON SECTION
   ========================================== */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.comparison-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.comparison-card.featured {
  background: var(--gradient-hero);
  color: var(--color-white);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.comparison-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.comparison-list {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.comparison-list li {
  padding: var(--space-sm) 0;
  display: flex;
  align-items: start;
  gap: var(--space-sm);
}

.comparison-list .icon-check {
  color: #48bb78;
  font-weight: var(--font-weight-bold);
}

.comparison-list .icon-cross {
  color: #f56565;
  font-weight: var(--font-weight-bold);
}

/* ==========================================
   PRICING SECTION
   ========================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  max-width: 64rem;
  margin: var(--space-2xl) auto 0;
}

.pricing-card {
  background: var(--color-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

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

.pricing-card.featured {
  border-color: var(--color-primary);
  border-width: 3px;
  background: linear-gradient(to bottom, var(--color-white), rgba(102, 126, 234, 0.05));
}

.pricing-badge {
  display: inline-block;
  background: var(--gradient-hero);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.pricing-price {
  margin-bottom: var(--space-lg);
}

.pricing-amount {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.pricing-period {
  font-size: 1rem;
  color: var(--color-gray);
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-light-gray);
  border-bottom: 1px solid var(--color-light-gray);
}

.pricing-features li {
  padding: var(--space-sm) 0;
  display: flex;
  align-items: start;
  gap: var(--space-sm);
  color: var(--color-dark);
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.testimonial-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.testimonial-quote {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

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

.testimonial-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.5rem;
}

.testimonial-avatar i {
  font-size: 1.5rem !important;
  color: var(--color-white) !important;
  line-height: 1;
  display: inline-block !important;
  font-style: normal !important;
  font-weight: normal !important;
}

.testimonial-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--color-gray);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
  background: var(--gradient-hero);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.cta-subtitle {
  font-size: 1.125rem;
  opacity: 0.95;
  margin-bottom: var(--space-xl);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer-brand {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-description {
  font-size: 0.9375rem;
  line-height: 1.6;
  opacity: 0.8;
}

.footer-title {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

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

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: 0.9375rem;
}

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

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.7;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .features-grid,
  .comparison-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }

  .section {
    padding: var(--space-2xl) 0;
  }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.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); }

.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); }