/* IANLIAN AI Website Styles */

/* CSS Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Account for fixed navbar */
}

body {
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--background);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
}

/* CSS Variables for Design System */
:root {
  /* Primary Colors - As specified in design requirements */
  --primary-color: #2563eb;        /* Professional blue - trust and technology */
  --secondary-color: #10b981;      /* Success green - growth and results */
  --accent-color: #f59e0b;         /* Orange - energy and conversion */
  
  /* Neutral Gray Scale */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --background: #ffffff;
  --background-alt: var(--gray-50);
  --background-section: var(--gray-100);
  --border-color: var(--gray-200);
  --border-light: var(--gray-100);
  
  /* Color Variations */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  
  --secondary-50: #ecfdf5;
  --secondary-100: #d1fae5;
  --secondary-600: #10b981;
  --secondary-700: #047857;
  --secondary-800: #065f46;
  
  --accent-50: #fffbeb;
  --accent-100: #fef3c7;
  --accent-600: #f59e0b;
  --accent-700: #d97706;
  --accent-800: #b45309;
  
  /* Typography Scale - System fonts for performance */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-family-mono: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', 'Source Code Pro', monospace;
  
  /* Font Sizes - Modular scale */
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  --font-size-5xl: 3rem;       /* 48px */
  --font-size-6xl: 3.75rem;    /* 60px */
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Spacing Scale - Consistent spacing system */
  --spacing-0: 0;
  --spacing-px: 1px;
  --spacing-0-5: 0.125rem;     /* 2px */
  --spacing-1: 0.25rem;        /* 4px */
  --spacing-1-5: 0.375rem;     /* 6px */
  --spacing-2: 0.5rem;         /* 8px */
  --spacing-2-5: 0.625rem;     /* 10px */
  --spacing-3: 0.75rem;        /* 12px */
  --spacing-3-5: 0.875rem;     /* 14px */
  --spacing-4: 1rem;           /* 16px */
  --spacing-5: 1.25rem;        /* 20px */
  --spacing-6: 1.5rem;         /* 24px */
  --spacing-7: 1.75rem;        /* 28px */
  --spacing-8: 2rem;           /* 32px */
  --spacing-9: 2.25rem;        /* 36px */
  --spacing-10: 2.5rem;        /* 40px */
  --spacing-11: 2.75rem;       /* 44px */
  --spacing-12: 3rem;          /* 48px */
  --spacing-14: 3.5rem;        /* 56px */
  --spacing-16: 4rem;          /* 64px */
  --spacing-20: 5rem;          /* 80px */
  --spacing-24: 6rem;          /* 96px */
  --spacing-28: 7rem;          /* 112px */
  --spacing-32: 8rem;          /* 128px */
  
  /* Legacy spacing aliases for backward compatibility */
  --spacing-xs: var(--spacing-2);
  --spacing-sm: var(--spacing-3);
  --spacing-md: var(--spacing-4);
  --spacing-lg: var(--spacing-6);
  --spacing-xl: var(--spacing-8);
  --spacing-2xl: var(--spacing-12);
  --spacing-3xl: var(--spacing-16);
  
  /* Layout and Container */
  --container-max-width: 1200px;
  --container-padding: var(--spacing-4);
  --container-padding-mobile: var(--spacing-4);
  
  /* Border Radius */
  --border-radius-none: 0;
  --border-radius-sm: 0.125rem;
  --border-radius: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-2xl: 1rem;
  --border-radius-3xl: 1.5rem;
  --border-radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-all: all var(--transition-base);
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Interactive Elements - Links and Hover Effects */
.link {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-base);
  position: relative;
}

.link:hover {
  color: var(--primary-700);
}

.link-underline {
  text-decoration: underline;
  text-decoration-color: var(--primary-200);
  text-underline-offset: 3px;
  transition: var(--transition-base);
}

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

/* Card Components */
.card {
  background: var(--background);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition-base);
}

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

.card-interactive {
  cursor: pointer;
}

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

.card-body {
  padding: var(--spacing-6);
}

.card-header {
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--background-alt);
}

.card-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--border-light);
  background-color: var(--background-alt);
}

/* Badge Components */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-primary {
  background-color: var(--primary-100);
  color: var(--primary-800);
}

.badge-secondary {
  background-color: var(--secondary-100);
  color: var(--secondary-800);
}

.badge-accent {
  background-color: var(--accent-100);
  color: var(--accent-800);
}

/* Loading Indicators */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

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

/* Progress Indicators */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--gray-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: var(--border-radius-full);
  transition: width var(--transition-slow);
}

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--gray-900);
  color: white;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: var(--z-tooltip);
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: 115%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--gray-900);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.tooltip:hover::before,
.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

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

.container-fluid {
  width: 100%;
  padding: 0 var(--container-padding);
}

.container-sm {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container-md {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container-lg {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Responsive Grid System */
.grid {
  display: grid;
  gap: var(--spacing-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Auto-fit responsive grids */
.grid-auto-fit-sm { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid-auto-fit-md { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-auto-fit-lg { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* Grid gaps */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }
.gap-12 { gap: var(--spacing-12); }

/* Flexbox Layout System */
.flex {
  display: flex;
}

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

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

.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

/* Flex alignment */
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

/* Flex grow/shrink */
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }

/* Section Layout Components */
.section {
  padding: var(--spacing-16) 0;
}

.section-sm {
  padding: var(--spacing-12) 0;
}

.section-lg {
  padding: var(--spacing-20) 0;
}

.section-xl {
  padding: var(--spacing-24) 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

/* Interactive Elements - Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
  min-height: 44px; /* Touch-friendly minimum size */
  gap: var(--spacing-2);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

.btn-xl {
  padding: var(--spacing-5) var(--spacing-10);
  font-size: var(--font-size-xl);
  min-height: 60px;
}

/* Button Variants */
.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-700);
  border-color: var(--primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
  border-color: var(--secondary-color);
}

.btn-secondary:hover {
  background-color: var(--secondary-700);
  border-color: var(--secondary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background-color: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.btn-accent:hover {
  background-color: var(--accent-700);
  border-color: var(--accent-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

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

.btn-ghost:hover {
  background-color: var(--primary-50);
  color: var(--primary-700);
}

.btn-white {
  background-color: white;
  color: var(--primary-color);
  border-color: white;
}

.btn-white:hover {
  background-color: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Loading States */
.btn-loading .btn-text {
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-base);
}

.btn-loading .btn-loading {
  display: flex !important;
  align-items: center;
  gap: var(--spacing-2);
  opacity: 1;
  transform: translateY(0);
  transition: all var(--transition-base);
}

.btn .btn-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none;
  align-items: center;
  gap: var(--spacing-2);
  color: currentColor;
}

/* Enhanced Spinner Animation */
.spinner {
  animation: spin 1s linear infinite;
}

.spinner circle {
  stroke-linecap: round;
}

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

/* Pulse animation for loading states */
@keyframes pulse-loading {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading-pulse {
  animation: pulse-loading 1.5s ease-in-out infinite;
}

/* Button Groups */
.btn-group {
  display: inline-flex;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.btn-group .btn {
  border-radius: 0;
  border-right-width: 1px;
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--border-radius-lg);
  border-bottom-left-radius: var(--border-radius-lg);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--border-radius-lg);
  border-bottom-right-radius: var(--border-radius-lg);
  border-right-width: 2px;
}

/* Navigation */
.navbar {
  background-color: var(--background);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

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

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-base);
  position: relative;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: var(--primary-50);
}

.nav-link.active {
  color: var(--primary-color);
  background-color: var(--primary-100);
  font-weight: var(--font-weight-semibold);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* Sections */
section {
  padding: var(--spacing-3xl) 0;
  scroll-margin-top: 80px; /* Account for fixed navbar */
}

/* Smooth scroll enhancement for reduced motion users */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-800) 50%, var(--secondary-color) 100%);
  color: white;
  text-align: center;
  padding: var(--spacing-24) 0;
  position: relative;
  overflow: hidden;
}

.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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

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

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

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-6);
  color: white;
  line-height: var(--line-height-tight);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.95);
  line-height: var(--line-height-relaxed);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta .btn {
  min-width: 160px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  transition: all var(--transition-base);
}

.hero-cta .btn-primary {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.39);
}

.hero-cta .btn-primary:hover {
  background-color: var(--accent-700);
  border-color: var(--accent-700);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px 0 rgba(245, 158, 11, 0.5);
}

.hero-cta .btn-secondary {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.8);
  color: white;
  backdrop-filter: blur(10px);
}

.hero-cta .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px 0 rgba(255, 255, 255, 0.2);
}

/* Trust indicators in hero */
.hero-trust {
  margin-top: var(--spacing-12);
  padding-top: var(--spacing-8);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-trust-text {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-medium);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-8);
  flex-wrap: wrap;
}

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

.hero-stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--accent-color);
  line-height: 1;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--spacing-1);
}

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

/* Value Proposition */
.value-prop {
  background-color: var(--background-alt);
  padding: var(--spacing-20) 0;
}

.value-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.value-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.value-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* Before/After Comparison */
.value-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--spacing-8);
  align-items: start;
  margin-bottom: var(--spacing-16);
}

.comparison-side {
  background: white;
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.comparison-side.before {
  border-left: 4px solid #ef4444;
}

.comparison-side.after {
  border-left: 4px solid var(--secondary-color);
}

.comparison-header {
  text-align: center;
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--border-light);
}

.comparison-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-3);
  display: block;
}

.comparison-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
}

.comparison-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-medium);
}

.comparison-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

/* Pain Points */
.pain-point,
.benefit-point {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-base);
}

.pain-point {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
}

.benefit-point {
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.pain-point:hover,
.benefit-point:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.pain-icon,
.benefit-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: var(--spacing-1);
}

.pain-text h4,
.benefit-text h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

.pain-text p,
.benefit-text p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  margin: 0;
}

/* Comparison Arrow */
.comparison-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4) 0;
}

.arrow-circle {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

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

/* Results Section */
.value-results {
  text-align: center;
}

.value-results h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-8);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-6);
}

.result-card {
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition-base);
  border-top: 4px solid var(--primary-color);
}

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

.result-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: var(--spacing-2);
}

.result-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.result-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Features */
.features {
  text-align: center;
  padding: var(--spacing-20) 0;
}

.features-header {
  margin-bottom: var(--spacing-16);
}

.features-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.features-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* Section Titles */
.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-12);
  line-height: var(--line-height-relaxed);
}

/* Platform Integration Cards */
.platform-integrations {
  margin-bottom: var(--spacing-20);
}

.platform-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
  margin-top: var(--spacing-12);
}

.platform-card {
  background: white;
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-all);
  border-top: 4px solid transparent;
  position: relative;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.platform-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

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

/* Platform-specific colors */
.platform-card.facebook {
  border-top-color: #1877f2;
}

.platform-card.facebook .platform-icon {
  color: #1877f2;
}

.platform-card.instagram {
  border-top-color: #e4405f;
}

.platform-card.instagram .platform-icon {
  color: #e4405f;
}

.platform-card.whatsapp {
  border-top-color: #25d366;
}

.platform-card.whatsapp .platform-icon {
  color: #25d366;
}

.platform-icon {
  width: 80px;
  height: 80px;
  background: var(--gray-50);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-6);
  transition: var(--transition-base);
}

.platform-card:hover .platform-icon {
  background: var(--gray-100);
  transform: scale(1.1);
}

.platform-content h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
  text-align: left;
}

.platform-description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  text-align: left;
}

.platform-features {
  list-style: none;
  padding: 0;
  text-align: left;
}

.platform-features li {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: var(--spacing-2) 0;
  position: relative;
  padding-left: var(--spacing-6);
}

.platform-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: var(--spacing-2);
  color: var(--secondary-color);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
}

/* Affiliate Features */
.affiliate-features {
  margin-top: var(--spacing-20);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-8);
  margin-top: var(--spacing-12);
}

.feature-card {
  background: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  transition: var(--transition-all);
  text-align: center;
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-50), var(--secondary-50));
  opacity: 0;
  transition: var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card > * {
  position: relative;
  z-index: 2;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-6);
  color: white;
  transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-lg);
}

.feature-card h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.feature-card p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* How It Works */
.how-it-works {
  background-color: var(--background-alt);
  text-align: center;
}

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

.step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

/* Pricing */
.pricing {
  text-align: center;
  padding: var(--spacing-20) 0;
}

.pricing-header {
  margin-bottom: var(--spacing-16);
}

.pricing-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.pricing-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-20);
  align-items: stretch;
}

.pricing-card {
  background: white;
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--border-light);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
  z-index: 2;
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

/* Plan Badges */
.plan-badge {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  background: var(--secondary-color);
  color: white;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.plan-badge.recommended {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.plan-badge.enterprise-badge {
  background: var(--gray-800);
}

/* Pricing Card Structure */
.pricing-card-header {
  padding: var(--spacing-8);
  text-align: center;
  position: relative;
}

.plan-name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.plan-description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-6);
  line-height: var(--line-height-relaxed);
}

.price-container {
  margin-bottom: var(--spacing-4);
}

.price {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--spacing-1);
}

.price-period {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: var(--text-muted);
}

.price-note {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.pricing-card-body {
  padding: 0 var(--spacing-8);
  flex-grow: 1;
}

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

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-3) 0;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-icon {
  width: 20px;
  height: 20px;
  background: var(--secondary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-text {
  flex-grow: 1;
}

.feature-text strong {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

.feature-text span {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
}

.pricing-card-footer {
  padding: var(--spacing-8);
  text-align: center;
  border-top: 1px solid var(--border-light);
  background-color: var(--background-alt);
}

.trial-note {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--spacing-3);
  margin-bottom: 0;
}

/* Plan Comparison Table */
.plan-comparison {
  margin-top: var(--spacing-20);
  margin-bottom: var(--spacing-20);
}

.comparison-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-8);
  text-align: center;
}

.comparison-table-container {
  overflow-x: auto;
  background: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-4) var(--spacing-6);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
  background-color: var(--background-alt);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.feature-column {
  width: 40%;
  font-weight: var(--font-weight-medium);
}

.plan-column {
  width: 20%;
  text-align: center;
}

.starter-column {
  background-color: var(--secondary-50);
}

.pro-column {
  background-color: var(--primary-50);
}

.enterprise-column {
  background-color: var(--gray-50);
}

.feature-name {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.plan-value {
  text-align: center;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

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

/* Enterprise Contact Section */
.enterprise-contact {
  background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-12);
  color: white;
  text-align: center;
  margin-top: var(--spacing-16);
}

.enterprise-contact-content h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  color: white;
}

.enterprise-contact-content p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--spacing-8);
  line-height: var(--line-height-relaxed);
}

.enterprise-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.enterprise-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  text-align: left;
  padding: var(--spacing-4);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
}

.enterprise-feature-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.enterprise-feature-text h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: white;
  margin-bottom: var(--spacing-1);
}

.enterprise-feature-text p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  line-height: var(--line-height-normal);
}

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

.enterprise-note {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--spacing-3);
  margin-bottom: 0;
}

.pricing-card {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--primary-color);
  transform: scale(1.05);
}

.price {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

.price span {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.features-list {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.features-list li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
}

/* About */
.about {
  background-color: var(--background-alt);
}

.founder-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-top: var(--spacing-2xl);
}

/* Contact */
.contact {
  text-align: center;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
  text-align: left;
}

.contact-form {
  background: var(--background-alt);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius);
}

/* Form Components */
.form-group {
  margin-bottom: var(--spacing-6);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.form-label.required::after {
  content: ' *';
  color: #ef4444;
}

/* Input Base Styles */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  background-color: var(--background);
  color: var(--text-primary);
  transition: var(--transition-all);
  min-height: 44px; /* Touch-friendly */
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background-color: var(--background);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--gray-300);
}

/* Input States */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background-color: var(--gray-50);
  color: var(--gray-500);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Input Sizes */
.form-input-sm,
.form-textarea-sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.form-input-lg,
.form-textarea-lg {
  padding: var(--spacing-4) var(--spacing-5);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

/* Textarea Specific */
.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Input Groups */
.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-input {
  border-radius: 0;
  border-right-width: 0;
}

.input-group .form-input:first-child {
  border-top-left-radius: var(--border-radius-lg);
  border-bottom-left-radius: var(--border-radius-lg);
}

.input-group .form-input:last-child {
  border-top-right-radius: var(--border-radius-lg);
  border-bottom-right-radius: var(--border-radius-lg);
  border-right-width: 2px;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--gray-50);
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* Form Validation Messages */
.form-error {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: #ef4444;
}

.form-success {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--secondary-color);
}

.form-help {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Checkbox and Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.form-check-input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary-color);
}

.form-check-label {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  cursor: pointer;
  line-height: var(--line-height-normal);
}

/* Form Layout Helpers */
.form-row {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

/* Legacy form-group compatibility */
.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  background-color: var(--background);
  color: var(--text-primary);
  transition: var(--transition-all);
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
.footer {
  background-color: var(--text-primary);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid #374151;
}

.footer a {
  color: #d1d5db;
  text-decoration: none;
}

.footer a:hover {
  color: white;
}

/* Responsive Breakpoints - Mobile First Approach */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .container {
    padding: 0 var(--spacing-6);
  }
  
  /* Responsive grid classes for sm */
  .sm\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  
  .sm\:flex-row { flex-direction: row; }
  .sm\:flex-col { flex-direction: column; }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-8);
  }
  
  /* Responsive grid classes for md */
  .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  
  .md\:flex-row { flex-direction: row; }
  .md\:flex-col { flex-direction: column; }
  
  /* Section padding adjustments */
  .section {
    padding: var(--spacing-20) 0;
  }
  
  .section-lg {
    padding: var(--spacing-24) 0;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  /* Responsive grid classes for lg */
  .lg\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  
  .lg\:flex-row { flex-direction: row; }
  .lg\:flex-col { flex-direction: column; }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  /* Responsive grid classes for xl */
  .xl\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .xl\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .xl\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  
  .xl\:flex-row { flex-direction: row; }
  .xl\:flex-col { flex-direction: column; }
  
  /* Larger section padding for xl screens */
  .section-xl {
    padding: var(--spacing-32) 0;
  }
}

/* Legacy responsive styles for existing components */
@media (max-width: 767px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    gap: var(--spacing-4);
  }
  
  .nav-menu {
    display: none; /* TODO: Implement mobile menu in future tasks */
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .founder-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .container {
    padding: 0 var(--container-padding-mobile);
  }
  
  /* Value proposition mobile styles */
  .value-comparison {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  .comparison-arrow {
    order: 2;
    transform: rotate(90deg);
  }
  
  .comparison-side.after {
    order: 3;
  }
  
  .value-header h2 {
    font-size: var(--font-size-3xl);
  }
  
  .value-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .results-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
}

@media (max-width: 479px) {
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  /* Smaller spacing on very small screens */
  .section {
    padding: var(--spacing-12) 0;
  }
  
  .section-sm {
    padding: var(--spacing-8) 0;
  }
}/* Functi
onality Highlights */
.functionality-highlights {
  margin-top: var(--spacing-24);
  padding-top: var(--spacing-20);
  border-top: 1px solid var(--border-light);
}

.highlight-sections {
  margin-top: var(--spacing-16);
}

.highlight-section {
  margin-bottom: var(--spacing-20);
  padding: var(--spacing-12) 0;
}

.highlight-section:nth-child(even) {
  background-color: var(--background-alt);
  margin-left: calc(-1 * var(--container-padding));
  margin-right: calc(-1 * var(--container-padding));
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  border-radius: var(--border-radius-2xl);
}

.highlight-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.highlight-content.reverse {
  grid-template-columns: 1fr 1fr;
}

.highlight-content.reverse .highlight-visual {
  order: -1;
}

.highlight-text h4 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
  text-align: left;
}

.highlight-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
  text-align: left;
}

.highlight-features {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-8);
  text-align: left;
}

.highlight-features li {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  padding: var(--spacing-3) 0;
  position: relative;
  padding-left: var(--spacing-8);
  line-height: var(--line-height-relaxed);
}

.highlight-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: var(--spacing-3);
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.highlight-features strong {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

.highlight-stats {
  display: flex;
  gap: var(--spacing-8);
  margin-top: var(--spacing-6);
}

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

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--spacing-1);
}

/* Demo Visualizations */
.highlight-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.template-demo,
.analytics-demo,
.automation-demo {
  background: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-6);
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--border-light);
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--border-light);
}

.demo-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.demo-status {
  background: var(--secondary-100);
  color: var(--secondary-800);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
}

.demo-period {
  background: var(--gray-100);
  color: var(--gray-700);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* Template Demo */
.demo-flow {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.flow-step {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  background: var(--gray-50);
  border-radius: var(--border-radius-lg);
  border-left: 3px solid var(--primary-color);
}

.step-icon {
  font-size: var(--font-size-lg);
}

.step-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.flow-arrow {
  text-align: center;
  color: var(--primary-color);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin: var(--spacing-1) 0;
}

/* Analytics Demo */
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-6);
}

.metric-card {
  background: var(--gray-50);
  padding: var(--spacing-4);
  border-radius: var(--border-radius-lg);
  text-align: center;
}

.metric-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1;
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin: var(--spacing-1) 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-change {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.metric-change.positive {
  color: var(--secondary-color);
}

.metric-change.negative {
  color: #ef4444;
}

.chart-placeholder {
  background: var(--gray-50);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-4);
  height: 120px;
  display: flex;
  align-items: end;
  justify-content: center;
}

.chart-bars {
  display: flex;
  align-items: end;
  gap: var(--spacing-2);
  height: 80px;
}

.bar {
  width: 20px;
  background: linear-gradient(to top, var(--primary-color), var(--secondary-color));
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  transition: var(--transition-base);
}

.bar:hover {
  opacity: 0.8;
}

/* Automation Demo */
.automation-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  position: relative;
}

.timeline-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 8px;
  top: 24px;
  width: 2px;
  height: calc(100% + var(--spacing-4));
  background: var(--border-color);
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gray-300);
  border: 2px solid white;
  box-shadow: var(--shadow);
  flex-shrink: 0;
}

.timeline-item.completed .timeline-dot {
  background: var(--secondary-color);
}

.timeline-item.active .timeline-dot {
  background: var(--primary-color);
  animation: pulse 2s infinite;
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.timeline-time {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-1);
}

.timeline-item.pending .timeline-title {
  color: var(--text-muted);
}

/* Responsive Design for Highlights */
@media (max-width: 768px) {
  .highlight-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
  }
  
  .highlight-content.reverse .highlight-visual {
    order: 0;
  }
  
  .highlight-text h4,
  .highlight-description,
  .highlight-features {
    text-align: center;
  }
  
  .highlight-features li {
    text-align: left;
  }
  
  .highlight-stats {
    justify-content: center;
  }
  
  .analytics-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================
   About/Founder Section Styles
   =================================== */

.about {
  padding: var(--spacing-20) 0;
  background: linear-gradient(135deg, var(--background) 0%, var(--gray-50) 100%);
}

.about-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.about-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.about-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.founder-content {
  display: grid;
  gap: var(--spacing-16);
  max-width: 1200px;
  margin: 0 auto;
}

/* Founder Bio Section */
.founder-bio {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--spacing-12);
  align-items: start;
}

.founder-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-50) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-6);
  border: 4px solid var(--primary-200);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
}

.photo-placeholder {
  color: var(--primary-400);
  opacity: 0.7;
}

.founder-credentials h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.founder-title {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-4);
}

.founder-badges {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.badge {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: center;
}

/* Founder Story Section */
.founder-story {
  display: grid;
  gap: var(--spacing-10);
}

.experience-section h4,
.technical-section h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.experience-section p,
.technical-section p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
}

.experience-highlights {
  display: grid;
  gap: var(--spacing-4);
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--background);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-light);
}

.highlight-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.highlight-content h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

.highlight-content p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin: 0;
}

.technical-skills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
}

.skill-category h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.skill-category ul {
  list-style: none;
  padding: 0;
}

.skill-category li {
  padding: var(--spacing-2) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-6);
}

.skill-category li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: var(--font-weight-bold);
}

/* Founder Mission Section */
.founder-mission {
  background: var(--background);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-10);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.mission-content h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-6);
  text-align: center;
}

.mission-content blockquote {
  font-size: var(--font-size-xl);
  font-style: italic;
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  text-align: center;
  margin: 0 0 var(--spacing-10) 0;
  padding: var(--spacing-6);
  background: var(--gray-50);
  border-radius: var(--border-radius-lg);
  border-left: 4px solid var(--primary-color);
  position: relative;
}

.mission-content blockquote::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-200);
  position: absolute;
  top: -10px;
  left: var(--spacing-4);
  font-family: serif;
}

.mission-points {
  display: grid;
  gap: var(--spacing-6);
}

.mission-point {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-6);
}

.point-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-700) 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.point-content h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.point-content p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Responsive Design for About Section */
@media (max-width: 1024px) {
  .founder-bio {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
  }
  
  .technical-skills {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
}

@media (max-width: 768px) {
  .about {
    padding: var(--spacing-16) 0;
  }
  
  .about-header h2 {
    font-size: var(--font-size-3xl);
  }
  
  .about-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .founder-photo {
    width: 150px;
    height: 150px;
  }
  
  .founder-badges {
    align-items: center;
  }
  
  .experience-highlights {
    gap: var(--spacing-3);
  }
  
  .highlight-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-3);
  }
  
  .founder-mission {
    padding: var(--spacing-6);
  }
  
  .mission-content blockquote {
    font-size: var(--font-size-lg);
    padding: var(--spacing-4);
  }
  
  .mission-point {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-4);
  }
  
  .point-number {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .founder-content {
    gap: var(--spacing-12);
  }
  
  .founder-story {
    gap: var(--spacing-8);
  }
  
  .experience-section h4,
  .technical-section h4 {
    font-size: var(--font-size-xl);
  }
  
  .mission-content h4 {
    font-size: var(--font-size-xl);
  }
}

/* Trust Indicators and Credibility Section */
.trust-indicators {
  margin-top: var(--spacing-16);
  padding-top: var(--spacing-16);
  border-top: 1px solid var(--border-light);
}

.trust-header {
  text-align: center;
  margin-bottom: var(--spacing-12);
}

.trust-header h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  margin-bottom: var(--spacing-4);
}

.trust-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-16);
}

.credibility-card {
  background: var(--background);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-8);
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.credibility-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.credibility-icon {
  color: var(--primary-color);
  margin-bottom: var(--spacing-4);
}

.credibility-card h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.credibility-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-6);
  line-height: var(--line-height-relaxed);
}

.credibility-stats {
  display: flex;
  justify-content: space-around;
  gap: var(--spacing-4);
}

.credibility-stats .stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.credibility-stats .stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
}

.credibility-stats .stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--spacing-1);
}

/* Specialization Messaging */
.specialization-messaging {
  background: var(--gray-50);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-10);
  margin-bottom: var(--spacing-12);
}

.specialization-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-10);
  align-items: start;
}

.specialization-text h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.specialization-text p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
}

.differentiators {
  display: grid;
  gap: var(--spacing-6);
}

.differentiator {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.diff-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.diff-content h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.diff-content p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin: 0;
  line-height: var(--line-height-relaxed);
}

.validation-badges h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-6);
  text-align: center;
}

.badges-grid {
  display: grid;
  gap: var(--spacing-4);
}

.validation-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background: var(--background);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-light);
}

.badge-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.badge-text {
  display: flex;
  flex-direction: column;
}

.badge-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.badge-desc {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Trust Guarantee */
.trust-guarantee {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-10);
  text-align: center;
}

.guarantee-content h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.guarantee-content p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.guarantee-points {
  display: grid;
  gap: var(--spacing-4);
  max-width: 600px;
  margin: 0 auto;
}

.guarantee-point {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-align: left;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.point-icon {
  color: var(--secondary-color);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

/* Responsive Design for Trust Indicators */
@media (max-width: 1024px) {
  .specialization-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .validation-badges {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .trust-header h3 {
    font-size: var(--font-size-2xl);
  }
  
  .credibility-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  .credibility-stats {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .specialization-messaging {
    padding: var(--spacing-6);
  }
  
  .differentiator {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-3);
  }
  
  .validation-badge {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-2);
  }
  
  .trust-guarantee {
    padding: var(--spacing-6);
  }
  
  .guarantee-points {
    gap: var(--spacing-3);
  }
  
  .guarantee-point {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-2);
  }
}

@media (max-width: 480px) {
  .trust-indicators {
    margin-top: var(--spacing-12);
    padding-top: var(--spacing-12);
  }
  
  .credibility-card {
    padding: var(--spacing-6);
  }
  
  .specialization-text h4 {
    font-size: var(--font-size-xl);
  }
  
  .guarantee-content h4 {
    font-size: var(--font-size-xl);
  }
}
/* 
Contact Section */
.contact {
  background: linear-gradient(135deg, var(--background-alt) 0%, var(--background) 100%);
  padding: var(--spacing-20) 0;
  position: relative;
}

.contact::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 0 100 100"><defs><pattern id="contact-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(37,99,235,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23contact-grid)"/></svg>');
  opacity: 0.5;
}

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

.contact-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.contact-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.contact-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-12);
  align-items: start;
}

/* Contact Info Card */
.contact-info {
  position: sticky;
  top: var(--spacing-8);
}

.contact-card {
  background: white;
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.contact-card-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid var(--border-light);
}

.contact-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
  color: white;
}

.contact-card-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
}

.contact-details {
  margin-bottom: var(--spacing-8);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-base);
  margin-bottom: var(--spacing-3);
}

.contact-detail:hover {
  background-color: var(--background-alt);
}

.detail-icon {
  font-size: 1.25rem;
  width: 32px;
  text-align: center;
}

.detail-content {
  flex: 1;
}

.detail-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-1);
}

.detail-value {
  display: block;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.detail-value:hover {
  color: var(--primary-color);
}

.contact-benefits {
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--border-light);
}

.contact-benefits h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

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

.benefits-list li {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  padding: var(--spacing-2) 0;
  padding-left: var(--spacing-6);
  position: relative;
}

.benefits-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: var(--spacing-2);
  color: var(--secondary-color);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
}

/* Contact Form */
.contact-form-container {
  position: relative;
}

.form-card {
  background: white;
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.form-header {
  margin-bottom: var(--spacing-8);
  text-align: center;
}

.form-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.form-header p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin: 0;
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4);
}

.form-group {
  margin-bottom: var(--spacing-6);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.required {
  color: #ef4444;
}

.optional {
  color: var(--text-muted);
  font-weight: var(--font-weight-normal);
}

.form-input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  font-family: inherit;
  background-color: var(--background);
  color: var(--text-primary);
  transition: var(--transition-base);
  min-height: 48px;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background-color: white;
}

.form-input:hover:not(:focus) {
  border-color: var(--gray-300);
}

.form-input.error {
  border-color: #ef4444;
  background-color: #fef2f2;
}

.form-input.error:focus {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.success {
  border-color: var(--secondary-color);
  background-color: #ecfdf5;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
  line-height: var(--line-height-relaxed);
}

.form-error {
  font-size: var(--font-size-sm);
  color: #ef4444;
  margin-top: var(--spacing-1);
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.form-error:empty {
  display: none;
}

.form-error::before {
  content: '⚠️';
  font-size: var(--font-size-xs);
}

.character-count {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-align: right;
  margin-top: var(--spacing-1);
}

.character-count.warning {
  color: var(--accent-color);
}

.character-count.error {
  color: #ef4444;
}

/* Form Actions */
.form-actions {
  margin-top: var(--spacing-8);
  text-align: center;
}

.form-submit {
  position: relative;
  min-width: 180px;
  overflow: hidden;
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.btn-text,
.btn-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

.spinner {
  animation: spin 1s linear infinite;
}

.form-footer {
  margin-top: var(--spacing-6);
  text-align: center;
}

.privacy-note {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  margin: 0;
}

.privacy-note svg {
  color: var(--secondary-color);
}

/* Form Validation States */
.form-group.has-error .form-input {
  border-color: #ef4444;
  background-color: #fef2f2;
}

.form-group.has-success .form-input {
  border-color: var(--secondary-color);
  background-color: #ecfdf5;
}

/* Success/Error Messages */
.message {
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .contact-info {
    position: static;
    order: 2;
  }
  
  .contact-form-container {
    order: 1;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .contact-header h2 {
    font-size: var(--font-size-3xl);
  }
  
  .contact-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .form-card,
  .contact-card {
    padding: var(--spacing-6);
  }
}

@media (max-width: 480px) {
  .contact {
    padding: var(--spacing-16) 0;
  }
  
  .contact-header {
    margin-bottom: var(--spacing-12);
  }
  
  .contact-header h2 {
    font-size: var(--font-size-2xl);
  }
  
  .contact-subtitle {
    font-size: var(--font-size-base);
  }
  
  .form-card,
  .contact-card {
    padding: var(--spacing-4);
  }
  
  .form-submit {
    width: 100%;
  }
}
/* 
Micro-interactions and Enhanced Hover Effects */

/* Form Input Micro-interactions */
.form-input {
  transition: all var(--transition-base);
  position: relative;
}

.form-input:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.form-input:focus + .form-label {
  color: var(--primary-color);
}

.form-group {
  position: relative;
}

.form-group.has-success .form-input {
  border-color: var(--secondary-color);
  background-color: var(--secondary-50);
}

.form-group.has-error .form-input {
  border-color: #ef4444;
  background-color: #fef2f2;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Success/Error Icons for Form Fields */
.form-group.has-success::after {
  content: '✓';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary-color);
  font-weight: bold;
  font-size: 18px;
  opacity: 0;
  animation: fadeInScale 0.3s ease-out forwards;
}

.form-group.has-error::after {
  content: '✕';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #ef4444;
  font-weight: bold;
  font-size: 18px;
  opacity: 0;
  animation: fadeInScale 0.3s ease-out forwards;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: translateY(-50%) scale(0.5);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

/* Enhanced Card Hover Effects */
.card-interactive {
  position: relative;
  overflow: hidden;
}

.card-interactive::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 ease;
}

.card-interactive:hover::before {
  left: 100%;
}

/* Floating Animation for Hero Elements */
.hero-content {
  animation: float 6s ease-in-out infinite;
}

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

/* Stagger Animation for Feature Cards */
.feature-card {
  opacity: 0;
  transform: translateY(30px);
  animation: slideInUp 0.6s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

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

/* Interactive Button Ripple Effect */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

/* Hover Effects for Platform Cards */
.platform-card {
  position: relative;
}

.platform-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.platform-card:hover::after {
  opacity: 1;
}

/* Pricing Card Glow Effect */
.pricing-card.featured {
  position: relative;
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pricing-card.featured:hover::before {
  opacity: 1;
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
  }
  to {
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
  }
}

/* Scroll Reveal Animation */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Skeleton for Dynamic Content */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading-skeleton 1.5s infinite;
}

@keyframes loading-skeleton {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Interactive Icon Animations */
.feature-icon svg,
.platform-icon svg {
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon svg,
.platform-card:hover .platform-icon svg {
  transform: scale(1.1) rotate(5deg);
}

/* Message Notification Animations */
.message {
  animation: slideInRight 0.3s ease-out;
}

.message.removing {
  animation: slideOutRight 0.3s ease-in forwards;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Character Count Styling */
.character-count {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-align: right;
  margin-top: var(--spacing-1);
  transition: color var(--transition-base);
}

.character-count.warning {
  color: var(--accent-color);
}

.character-count.error {
  color: #ef4444;
  font-weight: var(--font-weight-semibold);
}

/* Focus Indicators for Accessibility */
.btn:focus-visible,
.form-input:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
  .hero-content,
  .feature-card,
  .scroll-reveal {
    animation: none;
  }
  
  .btn::before,
  .card-interactive::before,
  .platform-card::after {
    transition: none;
  }
}/* Ripp
le Effect for Buttons */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Enhanced Form Validation Styles */
.form-error {
  color: #ef4444;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-1);
  min-height: 20px;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-base);
}

.form-group.has-error .form-error {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Overlay for Forms */
.form-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  backdrop-filter: blur(2px);
  z-index: 10;
}

/* Interactive Elements Hover States */
.interactive-element {
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.interactive-element:active {
  transform: translateY(0);
  box-shadow: var(--shadow);
}

/* Micro-interaction for Statistics */
.hero-stat-number,
.result-number {
  transition: all var(--transition-base);
}

.hero-stat:hover .hero-stat-number,
.result-card:hover .result-number {
  transform: scale(1.1);
  color: var(--accent-color);
}

/* Enhanced Focus States */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--border-radius);
}

/* Smooth transitions for all interactive elements */
a, button, input, textarea, select {
  transition: all var(--transition-base);
}

/* Loading state for entire sections */
.section-loading {
  position: relative;
  pointer-events: none;
}

.section-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}