/* =================================
   Enhanced CSS Variables v2.0
   ================================= */
:root {
  /* Primary Brand Colors */
  --primary-blue: #2563eb;
  --primary-blue-dark: #1d4ed8;
  --primary-blue-light: #3b82f6;
  --primary-blue-50: rgba(37, 99, 235, 0.05);
  --primary-blue-100: rgba(37, 99, 235, 0.1);
  --primary-blue-200: rgba(37, 99, 235, 0.2);
  
  /* Grey Scale */
  --grey-50: #f8fafc;
  --grey-100: #f1f5f9;
  --grey-200: #e2e8f0;
  --grey-300: #cbd5e1;
  --grey-400: #94a3b8;
  --grey-500: #64748b;
  --grey-600: #475569;
  --grey-700: #334155;
  --grey-800: #1e293b;
  --grey-900: #0f172a;
  
  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #06b6d4;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: var(--grey-50);
  --bg-tertiary: var(--grey-100);
  --bg-dark: var(--grey-900);
  --bg-hero-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 50%, #1e40af 100%);
  --bg-section-gradient: linear-gradient(180deg, transparent 0%, var(--grey-50) 100%);
  
  /* Text Colors */
  --text-primary: var(--grey-900);
  --text-secondary: var(--grey-600);
  --text-tertiary: var(--grey-500);
  --text-white: #ffffff;
  --text-accent: var(--primary-blue);
  
  /* Typography Scale */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --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-size-7xl: 4.5rem;      /* 72px */
  
  /* Font Weights */
  --font-weight-light: 300;
  --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 */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* 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), 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-all: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Layout */
  --container-max-width: 1280px;
  --container-padding: var(--space-6);
  --header-height: 80px;
  
  /* Z-index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-toast: 800;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.loading {
  overflow: hidden;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-hero-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-spinner {
  text-align: center;
  color: var(--text-white);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid var(--text-white);
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
}

p {
  margin: 0;
  line-height: var(--line-height-relaxed);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition-fast);
}

button:focus,
a:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

ul, ol {
  list-style: none;
}

/* =================================
   Enhanced Container
   ================================= */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* =================================
   Enhanced Button System
   ================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
  user-select: none;
}

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

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

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

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

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

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

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--grey-300);
}

.btn--outline:hover {
  background: var(--grey-100);
  border-color: var(--grey-400);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn--nav {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* =================================
   Section Styles
   ================================= */
.section__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--primary-blue-50);
  color: var(--primary-blue);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.section__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-6);
}

.section__subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  text-align: center;
  line-height: var(--line-height-relaxed);
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-20);
}

/* =================================
   Enhanced Header & Navigation
   ================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--grey-200);
  z-index: var(--z-fixed);
  transition: var(--transition-all);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: var(--space-4) var(--container-padding);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
}

.nav__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-blue);
}

.nav__badge {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-left: var(--space-2);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  position: relative;
  transition: var(--transition-fast);
}

.nav__link:hover {
  color: var(--primary-blue);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: var(--transition-fast);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Enhanced Language Switcher */
.language-switcher {
  position: relative;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: var(--transition-fast);
  border: 1px solid var(--grey-200);
}

.language-btn:hover {
  background: var(--grey-100);
  border-color: var(--grey-300);
}

.language-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-fast);
  z-index: var(--z-dropdown);
  border: 1px solid var(--grey-200);
}

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

.language-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: none;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.language-option:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

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

/* Enhanced Mobile Navigation */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 24px;
  height: 18px;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-fast);
  transform-origin: center;
}

.nav__toggle.active .hamburger span:nth-child(1) {
  transform: rotate(45deg) translateY(6px);
}

.nav__toggle.active .hamburger span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translateY(-6px);
}

/* =================================
   Enhanced Hero Section
   ================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-hero-gradient);
  color: var(--text-white);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero__particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="hero-pattern" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23hero-pattern)"/></svg>');
  animation: float 20s ease-in-out infinite;
}

.hero__gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

.hero .container {
  position: relative;
  z-index: 2;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.hero__content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-6);
}

.hero__title .highlight {
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title__small {
  font-size: .7em;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

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

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.hero__cta {
  background: var(--text-white);
  color: var(--primary-blue);
  font-weight: var(--font-weight-semibold);
  flex-direction: column;
  gap: var(--space-1);
}

.hero__cta small {
  font-size: var(--font-size-xs);
  opacity: 0.7;
}

.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hero__trust {
  text-align: center;
}

.hero__trust p {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  margin-bottom: var(--space-4);
}

.hero__logos {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.company-logo {
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  opacity: 0.7;
}

/* Enhanced Dashboard Mockup */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.dashboard-mockup {
  width: 100%;
  max-width: 500px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
  animation: float-mockup 3s ease-in-out infinite;
}

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

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mockup-dots {
  display: flex;
  gap: var(--space-1);
}

.mockup-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}

.mockup-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.mockup-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  min-height: 300px;
}

.mockup-sidebar {
  padding: var(--space-4);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.sidebar-item.active {
  background: rgba(255, 255, 255, 0.1);
}

.mockup-main {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.chart-container {
  display: flex;
  align-items: end;
  gap: var(--space-2);
  height: 100px;
  padding: var(--space-2);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.2));
  border-radius: var(--radius-sm);
  animation: chart-grow 2s ease-out infinite alternate;
}

@keyframes chart-grow {
  0% { transform: scaleY(0.8); }
  100% { transform: scaleY(1); }
}

.data-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.data-card {
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  text-align: center;
}

.card-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.card-label {
  font-size: var(--font-size-xs);
  opacity: 0.8;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  opacity: 0.8;
  z-index: 2;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-full);
  position: relative;
}

.scroll-arrow {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
  animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(8px); }
  60% { transform: translateX(-50%) translateY(4px); }
}

/* =================================
   Enhanced Features Section
   ================================= */
.features {
  padding: var(--space-24) 0;
  background: var(--bg-primary);
  position: relative;
}

/* .features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: var(--bg-section-gradient);
} */

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  position: relative;
  z-index: 2;
}

.feature__card {
  background: var(--bg-primary);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--grey-100);
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
  group: feature;
}

.feature__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--primary-blue-50), transparent);
  transition: var(--transition-slow);
}

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

.feature__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-blue-200);
}

.feature__icon {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--primary-blue);
  font-size: var(--font-size-2xl);
}

.icon-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-blue-100);
  border-radius: 50%;
  transition: var(--transition-all);
}

.feature__card:hover .icon-bg {
  background: var(--primary-blue);
  transform: scale(1.1);
}

.feature__card:hover .feature__icon {
  color: var(--text-white);
}

.feature__card:hover .feature__icon i {
  z-index: 1;
}

.feature__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.feature__description {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.feature__link a {
  color: var(--primary-blue);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: var(--transition-fast);
}

.feature__link a:hover {
  gap: var(--space-3);
}

/* =================================
   Enhanced Why Us Section
   ================================= */
.why-us {
  padding: var(--space-24) 0;
  background: var(--bg-secondary);
}

.why-us__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: start;
}

.why-us__text .section__title,
.why-us__text .section__subtitle {
  text-align: left;
  margin-bottom: var(--space-8);
}

.why-us__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.feature-item .feature-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-blue);
  color: var(--text-white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.feature-content p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.why-us__visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.stat-large {
  text-align: center;
  padding: var(--space-6);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--grey-100);
}

.stat-large .stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-blue);
  margin-bottom: var(--space-2);
}

.stat-large .stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.process-flow {
  background: var(--bg-primary);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.process-step {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.step-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-hero-gradient);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  position: relative;
}

.step-icon::after {
  content: attr(data-step);
  position: absolute;
  bottom: -5px;
  right: -5px;
  width: 20px;
  height: 20px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.step-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.step-content p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.process-arrow {
  text-align: center;
  color: var(--primary-blue);
  font-size: var(--font-size-xl);
  margin: var(--space-4) 0;
}

/* =================================
   Enhanced Pricing Section
   ================================= */
.pricing {
  padding: var(--space-24) 0;
  background: var(--bg-primary);
}

.pricing__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 30px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--grey-300);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.slider::before {
  position: absolute;
  content: '';
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background: var(--bg-primary);
  border-radius: 50%;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

input:checked + .slider {
  background: var(--primary-blue);
}

input:checked + .slider::before {
  transform: translateX(30px);
}

.discount {
  padding: var(--space-1) var(--space-2);
  background: var(--success);
  color: var(--text-white);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
  margin-left: var(--space-2);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  max-width: 1100px;
  margin: 0 auto;
}

.pricing__card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--grey-100);
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
}

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

.pricing__card--featured {
  border-color: var(--primary-blue);
  transform: scale(1.02);
  z-index: 2;
}

.pricing__card--featured:hover {
  transform: scale(1.02) translateY(-8px);
}

.pricing__badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--bg-hero-gradient);
  color: var(--text-white);
  padding: var(--space-2) var(--space-6);
  border-radius: 0 var(--radius-2xl) 0 var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.pricing__header {
  text-align: center;
  margin-bottom: var(--space-8);
  padding-top: var(--space-4);
}

.pricing__name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3);
}

.pricing__description {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.pricing__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.pricing__currency {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
}

.pricing__amount {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-blue);
}

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

.pricing__contact {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-blue);
}

.pricing__features {
  margin-bottom: var(--space-8);
}

.pricing__features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  color: var(--text-secondary);
}

.pricing__features li i {
  color: var(--success);
  font-size: var(--font-size-sm);
}

.pricing__guarantee {
  margin-top: var(--space-16);
  padding: var(--space-8);
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  text-align: center;
}

.guarantee-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

.guarantee-icon {
  width: 60px;
  height: 60px;
  background: var(--success);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.guarantee-text h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.guarantee-text p {
  color: var(--text-secondary);
}

/* =================================
   Enhanced Testimonials Section
   ================================= */
.testimonials {
  padding: var(--space-24) 0;
  background: var(--bg-secondary);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.testimonial {
  background: var(--bg-primary);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--grey-100);
  transition: var(--transition-all);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2xl);
}

.testimonial__content {
  margin-bottom: var(--space-6);
}

.testimonial__rating {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
  color: var(--warning);
}

.testimonial blockquote {
  font-style: italic;
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--font-size-lg);
}

.testimonial blockquote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -10px;
  font-size: var(--font-size-4xl);
  color: var(--primary-blue);
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__avatar {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
}

.avatar-fallback {
  width: 100%;
  height: 100%;
  background: var(--bg-hero-gradient);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  border-radius: 50%;
}

.testimonial__name {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.testimonial__company {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.testimonial__position {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  font-weight: var(--font-weight-medium);
}

.testimonials__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  max-width: 600px;
  margin: 0 auto;
}

.testimonials__stats .stat-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.testimonials__stats .stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-blue);
  margin-bottom: var(--space-2);
}

.testimonials__stats .stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

/* =================================
   Enhanced Final CTA Section
   ================================= */
.final-cta {
  padding: var(--space-24) 0;
  background: var(--bg-hero-gradient);
  color: var(--text-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="cta-pattern" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23cta-pattern)"/></svg>');
  animation: float 25s linear infinite;
}

.final-cta__content {
  position: relative;
  z-index: 2;
}

.cta-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: var(--font-size-2xl);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.final-cta__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-6);
  color: var(--text-white);
}

.final-cta__subtitle {
  font-size: var(--font-size-xl);
  opacity: 0.9;
  margin-bottom: var(--space-10);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.final-cta .btn--primary {
  background: var(--text-white);
  color: var(--primary-blue);
}

.final-cta .btn--secondary {
  border-color: var(--text-white);
  color: var(--text-white);
}

.final-cta .btn--secondary:hover {
  background: var(--text-white);
  color: var(--primary-blue);
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.cta-feature i {
  color: var(--success);
}

/* =================================
   Enhanced Footer
   ================================= */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: var(--space-20) 0 var(--space-8);
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand-section {
  max-width: 350px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.footer__logo {
  width: 40px;
  height: 40px;
  filter: brightness(0) invert(1);
}

.footer__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.footer__description {
  color: var(--grey-400);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 44px;
  height: 44px;
  background: var(--grey-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  font-size: var(--font-size-lg);
}

.footer__social-link:hover {
  background: var(--primary-blue);
  transform: translateY(-2px);
}

.footer__heading {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
  color: var(--grey-400);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  color: var(--grey-400);
  transition: var(--transition-fast);
}

.footer__links a:hover {
  color: var(--text-white);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--grey-400);
}

.footer__contact-item i {
  width: 20px;
  color: var(--primary-blue);
  flex-shrink: 0;
}

.footer__contact-item a {
  color: var(--grey-400);
  transition: var(--transition-fast);
}

.footer__contact-item a:hover {
  color: var(--text-white);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--grey-800);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__legal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  color: var(--grey-400);
}

.footer__links-legal {
  display: flex;
  gap: var(--space-6);
}

.footer__links-legal a {
  color: var(--grey-400);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.footer__links-legal a:hover {
  color: var(--text-white);
}

/* =================================
   Modal Styles
   ================================= */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: var(--transition-fast);
}

.modal.active .modal__content {
  transform: scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--grey-200);
}

.modal__header h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.modal__close {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal__close:hover {
  background: var(--grey-200);
}

.modal__body {
  padding: var(--space-6);
}

.video-container {
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder {
  text-align: center;
  color: var(--text-secondary);
}

.video-placeholder i {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  color: var(--primary-blue);
}

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

/* Large Desktop */
@media (min-width: 1440px) {
  :root {
    --font-size-6xl: 4rem;
    --font-size-7xl: 5rem;
  }
}

/* Desktop */
@media (max-width: 1200px) {
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-16);
  }
  
  .hero__visual {
    order: -1;
  }
  
  .why-us__content {
    grid-template-columns: 1fr;
    gap: var(--space-16);
    text-align: center;
  }
  
  .why-us__text .section__title,
  .why-us__text .section__subtitle {
    text-align: center;
  }
}

/* Tablet */
@media (max-width: 768px) {
  :root {
    --font-size-6xl: 3rem;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --space-20: 3rem;
    --space-24: 4rem;
    --container-padding: var(--space-4);
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-all);
    border-top: 1px solid var(--grey-200);
  }

  .nav__menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    width: 100%;
    margin-bottom: var(--space-6);
    gap: var(--space-4);
  }

  .nav__actions {
    width: 100%;
    justify-content: space-between;
  }

  .nav__toggle {
    display: block;
  }

  .hero__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .stats-container {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .process-step {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

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

  .pricing__card--featured {
    transform: none;
  }

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

  .testimonials__stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .final-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-features {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .footer__social {
    justify-content: center;
  }

  .footer__legal {
    flex-direction: column;
    text-align: center;
  }

  .guarantee-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --font-size-6xl: 2.5rem;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --space-16: 2.5rem;
    --space-20: 3rem;
    --space-24: 3.5rem;
  }

  .hero__stats {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .mockup-content {
    grid-template-columns: 1fr;
    min-height: 200px;
  }

  .mockup-sidebar {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .pricing__toggle {
    flex-direction: column;
    gap: var(--space-3);
  }

  .modal__content {
    width: 95%;
    margin: var(--space-4);
  }
}

/* =================================
   Animation Classes
   ================================= */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

.fade-in.animate {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-slow);
}

.slide-in-left.animate {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-slow);
}

.slide-in-right.animate {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition-slow);
}

.scale-in.animate {
  opacity: 1;
  transform: scale(1);
}

/* =================================
   Utility Classes
   ================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

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

.btn:focus,
.language-btn:focus,
.nav__link:focus {
  outline-color: var(--primary-blue);
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}