/* English Boost - Main Stylesheet
   Production-ready CSS for white page
   Mobile-first responsive design
   Version: 1.0.0 */

/* CSS Custom Properties */
:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-secondary: #f8fafc;
  --color-accent: #10b981;
  --color-accent-dark: #059669;
  
  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-light: #9ca3af;
  --color-text-white: #ffffff;
  
  --color-background: #ffffff;
  --color-background-light: #f9fafb;
  --color-background-dark: #f3f4f6;
  
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-border-dark: #d1d5db;
  
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 1rem;
  
  --header-height: 80px;
  --header-height-mobile: 70px;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --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);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-notification: 1060;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

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

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

h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

h5 {
  font-size: var(--font-size-base);
}

h6 {
  font-size: var(--font-size-sm);
}

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

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

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

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
}

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

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

.section {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.section-subtitle {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
  height: var(--header-height-mobile);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.header--hidden {
  transform: translateY(-100%);
}

.header-container {
  height: 100%;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--container-padding);
}

.header-logo img {
  height: 40px;
  width: auto;
}

.header-nav {
  display: none;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xl);
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.header-contact {
  display: none;
}

.contact-phone {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.phone-number {
  font-size: var(--font-size-sm);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-fast);
  margin: 2px 0;
}

.mobile-menu-toggle--open .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle--open .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-background);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-modal);
  overflow-y: auto;
}

.mobile-menu--open {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--container-padding);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-nav {
  padding: var(--spacing-xl) 0;
}

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

.mobile-nav-item {
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-lg) var(--container-padding);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast);
}

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

.mobile-contact-info {
  padding: var(--spacing-xl) var(--container-padding);
  border-top: 1px solid var(--color-border);
}

.mobile-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.mobile-contact-text,
.mobile-contact-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-modal-backdrop);
}

.menu-open .mobile-menu-overlay {
  opacity: 1;
  visibility: visible;
}

.menu-open {
  overflow: hidden;
}

/* Main Content */
.main {
  margin-top: var(--header-height-mobile);
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-light) 100%);
}

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

.hero-content {
  display: grid;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* Buttons */
.cta-button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 48px;
}

.cta-button.primary,
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  box-shadow: var(--shadow-sm);
}

.cta-button.primary:hover,
.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.cta-button.secondary,
.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.cta-button.large,
.btn--large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn--loading {
  position: relative;
  color: transparent;
}
.cta-section{
  padding-top: 100px;
  padding-bottom: 100px;
}
.btn-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Cards */
.card {
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}

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

.card-image {
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-normal);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.card-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.card-button {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  transition: background-color var(--transition-fast);
}

.card-button:hover {
  background-color: var(--color-primary-dark);
}

/* Grid Layouts */
.benefits-grid,
.services-grid,
.team-grid,
.testimonials-grid {
  display: grid;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

/* Forms */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-2xl);
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

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

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: border-color var(--transition-fast);
  background-color: var(--color-background);
}

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

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.field--error {
  border-color: var(--color-error);
}

.field-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.form-submit {
  width: 100%;
  padding: var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.form-submit:hover {
  background-color: var(--color-primary-dark);
}

.form-submit:disabled {
  background-color: var(--color-text-light);
  cursor: not-allowed;
}

/* Statistics */
.stats-grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-background-light);
  border-radius: var(--radius-xl);
}

.stat-number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

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

/* Testimonials */
.testimonial-card {
  background-color: var(--color-background);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.testimonial-quote {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

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

.author-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.author-role {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Footer */
.footer {
  /* background-color: var(--color-text-primary); */
  color: var(--color-text-white);
  padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

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

.footer-content {
  display: grid;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section {
  margin-bottom: var(--spacing-xl);
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-white);
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

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

.footer-nav-item {
  margin-bottom: var(--spacing-sm);
}

.footer-nav-link {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

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

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-contact-link {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-contact-link:hover {
  color: var(--color-text-white);
}

.footer-address {
  color: rgba(255, 255, 255, 0.8);
  font-style: normal;
  line-height: var(--line-height-normal);
}

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

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.footer-social-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer-bottom-text {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-bottom-link {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-bottom-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.footer-separator {
  color: rgba(255, 255, 255, 0.3);
}

.footer-copyright {
  margin-top: var(--spacing-lg);
}

.footer-copyright p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Success Page Styles */
.success-hero {
  padding: var(--spacing-4xl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-light) 100%);
}

.success-icon img {
  margin: 0 auto var(--spacing-xl);
}

.success-title {
  font-size: var(--font-size-4xl);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

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

.step-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background-color: var(--color-background-light);
  border-radius: var(--radius-xl);
}

.step-icon {
  flex-shrink: 0;
}

.step-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* About Page Styles */
.about-hero {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-white);
}

.about-hero .hero-title,
.about-hero .hero-subtitle {
  color: var(--color-text-white);
}

.about-hero .hero-description {
  color: rgba(255, 255, 255, 0.9);
}

.story-grid {
  display: grid;
  gap: var(--spacing-2xl);
  align-items: center;
}

.story-chapter {
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-background-light);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.chapter-title {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.chapter-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.team-member {
  text-align: center;
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.team-member:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.member-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.member-role {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-md);
}

.member-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.member-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.credential {
  background-color: var(--color-primary-light);
  color: var(--color-text-white);
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
}

/* Privacy and Terms Page Styles */
.privacy-hero,
.terms-hero {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-light) 100%);
}

.last-updated {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-md);
}

.content-wrapper {
  display: grid;
  gap: var(--spacing-2xl);
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.privacy-nav,
.terms-nav {
  position: sticky;
  top: calc(var(--header-height-mobile) + var(--spacing-lg));
  background-color: var(--color-background-light);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  height: fit-content;
}

.nav-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

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

.nav-item {
  margin-bottom: var(--spacing-sm);
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 0;
  display: block;
  transition: color var(--transition-fast);
}

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

.privacy-article,
.terms-article {
  max-width: none;
}

.privacy-section,
.terms-section {
  margin-bottom: var(--spacing-3xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border-light);
}

.privacy-section:last-child,
.terms-section:last-child {
  border-bottom: none;
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.section-content {
  line-height: var(--line-height-relaxed);
}

.subsection-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: var(--spacing-xl) 0 var(--spacing-lg);
  color: var(--color-primary);
}

.data-list,
.obligations-list,
.rights-list {
  margin: var(--spacing-lg) 0;
}

.data-item,
.obligation-item,
.right-item {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
  position: relative;
}

.data-item::before,
.obligation-item::before,
.right-item::before {
  content: '•';
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Notifications */
.notification {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  max-width: 400px;
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  transform: translateX(calc(100% + var(--spacing-lg)));
  transition: transform var(--transition-normal);
  z-index: var(--z-notification);
}

.notification--show {
  transform: translateX(0);
}

.notification--success {
  border-left: 4px solid var(--color-success);
}

.notification--error {
  border-left: 4px solid var(--color-error);
}

.notification--warning {
  border-left: 4px solid var(--color-warning);
}

.notification--info {
  border-left: 4px solid var(--color-info);
}

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

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

.notification__close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs);
  margin-left: var(--spacing-md);
  transition: color var(--transition-fast);
}

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 56px;
  height: 56px;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
}

.back-to-top--visible {
  transform: translateY(0);
  opacity: 1;
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-4px);
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate {
  animation-duration: 0.6s;
  animation-fill-mode: both;
}

.animate--fadeInUp {
  animation-name: fadeInUp;
}

.animate--fadeInLeft {
  animation-name: fadeInLeft;
}

.animate--fadeInRight {
  animation-name: fadeInRight;
}

/* Image Loading States */
img {
  transition: opacity var(--transition-normal);
}

img:not(.loaded) {
  opacity: 1;
}

img.loaded {
  opacity: 1;
}

img.error {
  opacity: 0.5;
  filter: grayscale(100%);
}

/* Responsive Design */
@media (min-width: 640px) {
  :root {
    --container-padding: 2rem;
  }
  
  .hero-cta {
    flex-direction: row;
    gap: var(--spacing-lg);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-bottom-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 768px) {
  :root {
    --header-height: 80px;
  }
  
  .main {
    margin-top: var(--header-height);
  }
  
  .header {
    height: var(--header-height);
  }
  
  .header-nav {
    display: block;
  }
  
  .header-contact {
    display: block;
  }
  
  .mobile-menu-toggle {
    display: none;
  }
  
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .benefits-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .story-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .content-wrapper {
    /* grid-template-columns: 250px 1fr; */
  }
  
  .privacy-nav,
  .terms-nav {
    top: calc(var(--header-height) + var(--spacing-lg));
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .section-title {
    font-size: var(--font-size-4xl);
  }
  
  .benefits-grid,
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1280px) {
  .benefits-grid,
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Print Styles */
@media print {
  .header,
  .mobile-menu,
  .back-to-top,
  .notification {
    display: none;
  }
  
  .main {
    margin-top: 0;
  }
  
  * {
    box-shadow: none !important;
  }
  
  a {
    text-decoration: underline;
  }
  
  .section {
    page-break-inside: avoid;
  }
}

/* Reduced Motion */
@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;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-secondary: #000000;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #111827;
    --color-background-light: #1f2937;
    --color-background-dark: #374151;
    --color-text-primary: #f9fafb;
    --color-text-secondary: #d1d5db;
    --color-text-light: #9ca3af;
    --color-border: #374151;
    --color-border-light: #4b5563;
    --color-border-dark: #6b7280;
  }
  
  .card,
  .contact-form,
  .notification {
    background-color: var(--color-background-light);
  }
  
  .hero,
  .success-hero {
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-light) 100%);
  }
}