*, *::before, *::after {
    box-sizing: border-box;
}

/* Enhanced Cookie Settings Items */
.cookie-setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.cookie-setting-item:hover {
  background: var(--bg-tertiary);
  border-color: var(--color-secondary);
  transform: translateY(-1px);
}

.cookie-setting-item:last-child {
  margin-bottom: 0;
}

.cookie-setting-info h4 {
  margin: 0 0 0.25rem 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cookie-setting-info p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Enhanced Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-tertiary);
  transition: all 0.3s ease;
  border-radius: 24px;
  border: 1px solid var(--border-color);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: all 0.3s ease;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

input:disabled + .slider {
  opacity: 0.5;
  cursor: not-allowed;
}

input:disabled + .slider:before {
  background-color: var(--text-muted);
}

* {
    margin: 0;
    padding: 0;
}

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

/* Custom Properties (CSS Variables) */
:root {
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Colors - Material Design 3 & Apple HUI */
    --color-primary: #f8f9ff;
    --color-primary-dark: #e0e2f0;
    --color-secondary: #94d9a5;
    --color-secondary-dark: #70cd86;
    --color-accent: #bb9cd9;
    --color-accent-dark: #a481ca;
    
    /* Background Colors */
    --bg-primary: #050a14;
    --bg-secondary: #0d1522;
    --bg-tertiary: #212a38;
    --bg-surface: #3a4250;
    
    /* Text Colors */
    --text-primary: #f8f9ff;
    --text-secondary: #c3c6d4;
    --text-tertiary: #8b909d;
    --text-muted: #6f7582;
    --border-color: rgba(255, 255, 255, 0.16);
    
    /* Status Colors */
    --color-success: #b8e6c4;
    --color-warning: #f9e076;
    --color-error: #f2b8b5;
    --color-info: #c3c6d4;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
    --space-5xl: 10rem;
    
    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Layout */
    --container-max-width: 1280px;
    --container-padding: var(--space-lg);
    --container-padding-sm: var(--space-md);
    --nav-height: 4rem;
    --section-padding: var(--space-5xl) 0;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
    
    /* Shadcn-inspired Design Tokens */
    --shadcn-background: var(--bg-primary);
    --shadcn-foreground: var(--text-primary);
    --shadcn-card: var(--bg-secondary);
    --shadcn-card-foreground: var(--text-primary);
    --shadcn-popover: var(--bg-secondary);
    --shadcn-popover-foreground: var(--text-primary);
    --shadcn-primary: var(--color-secondary);
    --shadcn-primary-foreground: #0a0a0a;
    --shadcn-secondary: var(--bg-tertiary);
    --shadcn-secondary-foreground: var(--text-primary);
    --shadcn-muted: var(--bg-tertiary);
    --shadcn-muted-foreground: var(--text-secondary);
    --shadcn-accent: var(--color-accent);
    --shadcn-accent-foreground: #0a0a0a;
    --shadcn-border: var(--border-color);
    --shadcn-input: var(--border-color);
    --shadcn-ring: var(--color-secondary);
    --shadcn-radius: var(--radius-lg);
    --shadcn-ring-offset: #0a0a0a;
}

:root.light {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fb;
    --bg-tertiary: #e9edf5;
    --bg-surface: #ffffff;
    --text-primary: #0b1726;
    --text-secondary: #2b3a4a;
    --text-tertiary: #5b6b7c;
    --border-color: rgba(0, 0, 0, 0.12);
}

:root.dark {
    --bg-primary: #050a14;
    --bg-secondary: #0d1522;
    --bg-tertiary: #212a38;
    --bg-surface: #3a4250;
    --text-primary: #f8f9ff;
    --text-secondary: #c3c6d4;
    --text-tertiary: #8b909d;
    --border-color: rgba(255, 255, 255, 0.16);
}

html.light .main-nav {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

html.light .main-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

html.light .nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Base Styles */
body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

/* Enhanced Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: var(--z-popover);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  max-width: 380px;
}

/* Already Registered Message */
.already-registered {
  text-align: center;
  padding: 2rem;
}

.already-registered h3 {
  color: var(--color-secondary);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.already-registered p {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.already-registered strong {
  color: var(--text-primary);
  font-weight: 600;
}

.cookie-banner.show {
  opacity: 1;
  transform: translateY(0);
}

.cookie-card {
  position: relative;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 340px;
  max-width: 90vw;
  padding: 1rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.cookie-banner-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  line-height: 1;
}

.cookie-banner-close:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.cookie-title {
  margin: 0 0 0.25rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.cookie-description {
  margin: 0 0 1rem 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.cookie-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
  min-height: 32px;
}

.cookie-btn-primary {
  background: var(--color-secondary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

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

.cookie-btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.cookie-btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--color-secondary);
  transform: translateY(-1px);
}

.cookie-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.cookie-links {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.cookie-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.75rem;
  transition: color 0.2s ease;
}

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

.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(2px);
}

.cookie-modal.show {
  opacity: 1;
  visibility: visible;
}

.cookie-modal-content {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--radius-xl);
  max-width: 480px;
  width: 90%;
  max-height: 70vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.95);
  transition: transform 0.3s ease;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.cookie-modal.show .cookie-modal-content {
  transform: scale(1);
}

.cookie-modal-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.cookie-modal-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.cookie-modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  line-height: 1;
}

.cookie-modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.cookie-modal-body {
  padding: 1.5rem;
}

.cookie-modal-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 1.5rem 0;
  line-height: 1.5;
  text-align: center;
}

.cookie-category {
  margin-bottom: 0.75rem;
  padding: 0.6rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.cookie-category:last-child {
  margin-bottom: 0;
}

.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0;
}

.cookie-category-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0;
}

.cookie-toggle {
  position: relative;
  width: 40px;
  height: 20px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.cookie-toggle.active {
  background: var(--accent-primary);
}

.cookie-toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.cookie-toggle.active .cookie-toggle-slider {
  transform: translateX(20px);
}

.cookie-toggle.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.cookie-category-description {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin: 0.25rem 0 0 0;
  line-height: 1.2;
}

.cookie-modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: var(--bg-primary);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.cookie-btn-save {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.cookie-btn-save:hover {
  background: var(--accent-secondary);
}

.cookie-btn-reject {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.cookie-btn-reject:hover {
  background: var(--bg-secondary);
}

/* Shadcn-style Cookie Settings Modal */
.shadcn-modal {
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.shadcn-modal-content {
  background: var(--shadcn-card);
  border: 1px solid var(--shadcn-border);
  border-radius: var(--shadcn-radius);
  box-shadow: var(--shadow-2xl);
  max-width: 525px;
  width: 95%;
  max-height: 85vh;
  overflow: hidden;
  animation: shadcn-modal-enter 0.2s ease-out;
}

@keyframes shadcn-modal-enter {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.shadcn-modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--shadcn-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.shadcn-modal-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--shadcn-foreground);
  margin: 0;
}

.shadcn-modal-close {
  background: none;
  border: none;
  color: var(--shadcn-muted-foreground);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.shadcn-modal-close:hover {
  color: var(--shadcn-foreground);
  background: var(--shadcn-muted);
}

.shadcn-modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(85vh - 200px);
}

.shadcn-modal-description {
  color: var(--shadcn-muted-foreground);
  font-size: var(--text-sm);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

/* Shadcn-style Cookie Categories */
.shadcn-cookie-category {
  border: 1px solid var(--shadcn-border);
  border-radius: var(--shadcn-radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--shadcn-background);
  transition: all var(--transition-fast);
}

.shadcn-cookie-category:hover {
  border-color: var(--shadcn-ring);
}

.shadcn-cookie-category:last-child {
  margin-bottom: 0;
}

.shadcn-cookie-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.shadcn-cookie-category-title {
  font-weight: 500;
  color: var(--shadcn-foreground);
  font-size: var(--text-sm);
  margin: 0;
}

.shadcn-cookie-category-description {
  color: var(--shadcn-muted-foreground);
  font-size: var(--text-xs);
  line-height: 1.4;
  margin: 0;
}

/* Shadcn-style Toggle Switch */
.shadcn-switch {
  position: relative;
  display: inline-flex;
  height: 20px;
  width: 36px;
  flex-shrink: 0;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  border: 1px solid var(--shadcn-border);
  background: var(--shadcn-muted);
}

.shadcn-switch[data-state="checked"] {
  background: var(--shadcn-primary);
  border-color: var(--shadcn-primary);
}

.shadcn-switch[data-state="disabled"] {
  opacity: 0.5;
  cursor: not-allowed;
}

.shadcn-switch-thumb {
  pointer-events: none;
  display: block;
  height: 16px;
  width: 16px;
  background: white;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
  transform: translateX(2px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.shadcn-switch[data-state="checked"] .shadcn-switch-thumb {
  transform: translateX(18px);
}

/* Shadcn-style Buttons */
.shadcn-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  min-height: 2.25rem;
  line-height: 1;
}

.shadcn-button:focus-visible {
  outline: 2px solid var(--shadcn-ring);
  outline-offset: 2px;
}

.shadcn-button:disabled {
  pointer-events: none;
  opacity: 0.5;
}

.shadcn-button-primary {
  background: var(--shadcn-primary);
  color: var(--shadcn-primary-foreground);
}

.shadcn-button-primary:hover {
  background: color-mix(in srgb, var(--shadcn-primary) 90%, white);
}

.shadcn-button-secondary {
  background: var(--shadcn-secondary);
  color: var(--shadcn-secondary-foreground);
  border: 1px solid var(--shadcn-border);
}

.shadcn-button-secondary:hover {
  background: var(--shadcn-muted);
}

.shadcn-modal-footer {
      padding: 1.5rem;
      border-top: 1px solid var(--shadcn-border);
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 0.75rem;
    }

/* Project Counter Styles */
.project-counter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-xl) 0 var(--space-2xl) 0;
  padding: var(--space-md) var(--space-xl);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.project-counter:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-secondary);
}

.counter-number {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
}

.counter-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 400;
  opacity: 0.8;
}

.info-icon {
  color: var(--text-tertiary);
  opacity: 0.6;
  transition: all 0.3s ease;
  cursor: help;
  position: relative;
}

.project-counter:hover .info-icon {
  opacity: 1;
  color: var(--color-secondary);
}

/* Custom tooltip for project counter */
.project-counter[data-tooltip] {
  position: relative;
}

.project-counter[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  white-space: nowrap;
  z-index: var(--z-tooltip);
  margin-bottom: var(--space-sm);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  animation: tooltipFadeIn 0.3s ease forwards;
}

.project-counter[data-tooltip]:hover::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: var(--space-sm) solid transparent;
  border-top-color: var(--bg-tertiary);
  z-index: var(--z-tooltip);
  margin-bottom: -1px;
  opacity: 0;
  animation: tooltipFadeIn 0.3s ease forwards;
}

@keyframes tooltipFadeIn {
  to {
    opacity: 1;
  }
}

/* FAQ Page Styles - Premium Enhanced */
.faq-page-header {
  text-align: center;
  margin-bottom: 4rem;
  padding: 2rem 0;
  position: relative;
}

.faq-page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  border-radius: 2px;
  opacity: 0.8;
}

.faq-page-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-secondary) 50%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1.1;
  animation: fadeInUp 0.8s ease-out;
}

.faq-page-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  opacity: 0.9;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

.faq-category {
  margin-bottom: 4rem;
  position: relative;
}

.faq-category::before {
  content: '';
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  border-radius: 1px;
  opacity: 0.6;
}

.faq-category-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  margin-bottom: 1rem;
  background: var(--bg-primary);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.faq-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s ease;
  z-index: 1;
}

.faq-item:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 10px 20px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.faq-item:hover::before {
  left: 100%;
}

.faq-question {
  width: 100%;
  padding: 1.5rem 1.25rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 2;
  backdrop-filter: blur(10px);
}

.faq-question::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.25rem;
  right: 1.25rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.faq-question:hover::after {
  opacity: 1;
}

.faq-question:hover {
  background: var(--bg-tertiary);
}

.faq-question:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: -2px;
}

.faq-question[aria-expanded="true"] {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-icon {
  color: var(--text-secondary);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  margin-left: 1rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M5 7.5L10 12.5L15 7.5" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>') no-repeat center;
  mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M5 7.5L10 12.5L15 7.5" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>') no-repeat center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

.faq-question:hover .faq-icon {
  transform: scale(1.1) rotate(5deg);
  filter: brightness(1.2);
}

.faq-answer {
  padding: 0 1.5rem;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: var(--text-sm);
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(-10px);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.faq-question[aria-expanded="true"] + .faq-answer {
  max-height: 500px;
  padding: 1.5rem;
  opacity: 1;
  transform: translateY(0);
}

.faq-answer p {
  margin: 0 0 1rem 0;
  font-weight: 400;
  color: var(--text-secondary);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer a {
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: all 0.3s ease;
}

.faq-answer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width 0.3s ease;
}

.faq-answer a:hover::after {
  width: 100%;
}

.faq-answer p {
  margin: 0 0 1rem 0;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer a {
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 500;
}

.faq-answer a:hover {
  text-decoration: underline;
}

.faq-cta {
  text-align: center;
  padding: 2rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-top: 3rem;
}

.faq-cta h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.faq-cta p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .faq-page-header {
    margin-bottom: 3rem;
    padding: 1.5rem 0;
  }
  
  .faq-page-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
    margin-bottom: 0.75rem;
  }
  
  .faq-page-description {
    font-size: var(--text-base);
    padding: 0 1rem;
  }
  
  .faq-category {
    margin-bottom: 3rem;
  }
  
  .faq-category::before {
    width: 40px;
  }
  
  .faq-category-title {
    font-size: var(--text-xl);
    margin-bottom: 1.5rem;
  }
  
  .faq-item {
    margin-bottom: 0.75rem;
    border-radius: var(--radius-lg);
  }
  
  .faq-question {
    padding: 1.25rem 1rem;
    font-size: var(--text-sm);
  }
  
  .faq-question::after {
    left: 1rem;
    right: 1rem;
  }
  
  .faq-icon {
    width: 20px;
    height: 20px;
  }
  
  .faq-answer {
    padding: 0 1rem;
  }
  
  .faq-question[aria-expanded="true"] + .faq-answer {
    padding: 1.25rem 1rem;
  }
  
  .faq-cta {
    padding: 1.5rem;
  }
}

@media (max-width: 768px) {
  .cookie-banner-content {
    flex-direction: column;
    text-align: left;
    gap: 0.5rem;
  }
  
  .cookie-card {
    width: 90vw;
    padding: 0.75rem;
  }
  
  .cookie-modal-content {
    width: 95%;
    max-width: none;
    margin: 1rem;
  }
  
  .cookie-modal-header,
  .cookie-modal-body,
  .cookie-modal-footer {
    padding: 1rem;
  }
  
  .cookie-category {
    padding: 0.5rem;
  }
}

h1 {
    font-size: var(--text-7xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--text-5xl);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    font-size: var(--text-3xl);
    font-weight: 500;
}

h4 {
    font-size: var(--text-2xl);
    font-weight: 500;
}

h5 {
    font-size: var(--text-xl);
    font-weight: 500;
}

h6 {
    font-size: var(--text-lg);
    font-weight: 500;
}

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

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

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

/* Utility Classes */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--bg-surface);
    color: var(--text-primary);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Loading State */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-surface);
    border-top: 3px solid var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(5, 10, 20, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(124, 58, 237, 0.1);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.main-nav.scrolled {
    background: rgba(5, 10, 20, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

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

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--color-secondary);
    color: var(--bg-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.nav-cta:hover {
    background: var(--color-secondary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--space-sm);
    background: none;
    border: none;
    z-index: var(--z-dropdown);
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
}

.hamburger.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.toggle .line2 {
    opacity: 0;
}

.hamburger.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Navigation Actions and Theme Toggle */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.theme-toggle {
    position: relative;
    width: 44px;
    height: 44px;
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.theme-toggle:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

.theme-toggle:active {
    transform: translateY(0);
}

.theme-toggle svg {
    position: absolute;
    width: 20px;
    height: 20px;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.8) rotate(-90deg);
}

.theme-toggle svg.active {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

/* Light theme adjustments */
html.light .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
}

html.light .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
}

/* Theme transition for smooth switching */
html {
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Smooth transitions for theme-sensitive elements */
.main-nav,
.hero,
.section,
.footer {
    transition: background var(--transition-slow), border-color var(--transition-slow);
}

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

/* Responsive layout improvements */
@media (max-width: 768px) {
    .nav-actions {
        gap: var(--space-sm);
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
    }
    
    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
}

/* Theme transitioning for smooth theme changes */
html.theme-transitioning,
html.theme-transitioning * {
    transition: background-color var(--transition-slow) !important;
    transition: color var(--transition-slow) !important;
    transition: border-color var(--transition-slow) !important;
    transition: box-shadow var(--transition-slow) !important;
}

/* Enhanced responsive design system */
@media (max-width: 1024px) {
    .nav-links {
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--container-padding-sm);
    }
    
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-xl) var(--container-padding);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: var(--z-dropdown);
        backdrop-filter: blur(10px);
        background: rgba(var(--bg-primary-rgb), 0.95);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-actions {
        margin-left: auto;
        margin-right: var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--container-padding-sm);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
}

/* CSS Variables for better theme support */
:root {
    --bg-primary-rgb: 5, 10, 20;
    --bg-secondary-rgb: 15, 23, 42;
    --text-primary-rgb: 248, 249, 255;
    --text-secondary-rgb: 203, 213, 225;
}

html.light {
    --bg-primary-rgb: 248, 249, 255;
    --bg-secondary-rgb: 241, 245, 249;
    --text-primary-rgb: 15, 23, 42;
    --text-secondary-rgb: 51, 65, 85;
}

/* Improved focus styles for accessibility */
.theme-toggle:focus-visible,
.nav-link:focus-visible,
.nav-cta:focus-visible,
.store-badge:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

/* Skip link for better accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-secondary);
    color: var(--bg-primary);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: var(--z-fixed);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    html.theme-transitioning,
    html.theme-transitioning * {
        transition: none !important;
    }
    
    .theme-toggle svg {
        transition: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: rgba(255, 255, 255, 0.5);
    }
    
    html.light {
        --border-color: rgba(0, 0, 0, 0.5);
    }
    
    .theme-toggle {
        border-width: 2px;
    }
}

/* Print styles for better layout consistency */
@media print {
    .main-nav,
    .theme-toggle,
    .hamburger {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
    align-items: center;
    min-height: 60vh;
}

.hero-content {
    z-index: 2;
}

.store-badges {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.store-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

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

.store-badge.alt {
    background: var(--color-secondary);
    color: var(--bg-primary);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-xl);
    animation: float 3s ease-in-out infinite;
    box-shadow: var(--shadow-sm);
}

.hero-visual {
    position: relative;
}

.hero-image {
    width: 100%;
    max-width: 520px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    outline: 1px solid rgba(255, 255, 255, 0.08);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.hero-title {
    margin-bottom: var(--space-xl);
    line-height: 1.1;
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-3xl);
    line-height: 1.6;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-2xl);
    transform: rotate(-5deg);
    animation: phoneFloat 4s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: rotate(-5deg) translateY(0px); }
    50% { transform: rotate(-5deg) translateY(-10px); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: 20px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.app-interface {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    height: 100%;
}

.word-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.word-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.word-level {
    font-size: var(--text-xs);
    color: var(--color-secondary);
    background: rgba(148, 217, 165, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.growth-indicator {
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.growth-bar {
    height: 100%;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.word-text {
    font-size: var(--text-2xl);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.word-definition {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.word-actions {
    display: flex;
    gap: var(--space-sm);
}

.word-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-surface);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.word-btn:hover,
.word-btn.active {
    background: var(--color-secondary);
    color: var(--bg-primary);
}

.garden-preview {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tree-growth {
    display: flex;
    gap: var(--space-sm);
}

.tree-stage {
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.tree-stage.active {
    background: var(--color-secondary);
    transform: scale(1.2);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0.6;
}

.scroll-text {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-arrow {
    width: 2px;
    height: 20px;
    background: var(--text-tertiary);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--text-tertiary);
    border-bottom: 2px solid var(--text-tertiary);
    transform: rotate(45deg);
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--bg-primary);
    border: 2px solid var(--color-secondary);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

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

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

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

/* Sections */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-5xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    margin-bottom: var(--space-xl);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.section-overview {
    background: var(--bg-secondary);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3xl);
    margin-top: var(--space-4xl);
}

.product-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    backdrop-filter: blur(10px);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.product-icon {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--bg-surface);
    margin-bottom: var(--space-lg);
    font-size: var(--text-2xl);
}
.section-about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.learning-process {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.process-step {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

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

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    margin: 0;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.text-block h3 {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.text-block p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-lg);
}

.feature-card h3 {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 600;
}

/* CTA Section */
.section-cta {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    position: relative;
    overflow: hidden;
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.cta-title {
    margin-bottom: var(--space-lg);
}

.cta-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-2xl);
}

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

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
}

.benefit-item svg {
    color: var(--color-secondary);
    flex-shrink: 0;
}

.cta-form-container {
    background: var(--bg-tertiary);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-xl);
}

.beta-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    padding: var(--space-2xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

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

.form-header h3 {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.input-container {
    position: relative;
}

.input-icon {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

input, select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(148, 217, 165, 0.1);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: var(--space-xs);
    display: none;
}

.form-error:not(:empty) {
    display: block;
}

.form-group-checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-md);
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: auto;
    padding: 0;
}

.checkmark {
    width: 20px;
    height: 20px;
    background: var(--bg-surface);
    border: 2px solid var(--text-tertiary);
    border-radius: var(--radius-sm);
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-container input:checked ~ .checkmark {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.checkmark::after {
    content: '';
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark::after {
    display: block;
}

.checkbox-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.form-message {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    text-align: center;
    display: none;
}

.form-message.success {
    background: rgba(184, 230, 196, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-message.error {
    background: rgba(242, 184, 181, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.form-disclaimer {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-align: center;
    line-height: 1.5;
    margin: 0;
}

.form-disclaimer a {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.footer-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-secondary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-link-group h4 {
    color: var(--text-primary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-lg);
}

.footer-link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-link-group a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-sm);
}

/* 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);
    }
}

/* Simple Animation Classes */
.fade-in {
    opacity: 1; /* Default to visible */
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Ensure sections are always visible */
.section {
    opacity: 1 !important;
    visibility: visible !important;
}

.section-header,
.product-card,
.about-visual,
.about-text,
.feature-card,
.cta-content {
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
}

/* Scroll indicator fade behavior */
#scroll-indicator {
    transition: opacity 0.3s ease-out;
}

#scroll-indicator.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* Mobile-first improvements for vertical users */
@media (max-width: 768px) {
    /* Better touch targets for mobile */
    .btn {
        min-height: 48px;
        min-width: 48px;
        padding: var(--space-md) var(--space-lg);
        font-size: var(--text-base);
        border-radius: var(--radius-lg);
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .btn-large {
        padding: var(--space-lg) var(--space-xl);
        font-size: var(--text-lg);
        min-height: 56px;
    }
    
    /* Better spacing for vertical scrolling */
    .hero {
        padding-top: calc(var(--nav-height) + var(--space-3xl));
        padding-bottom: var(--space-3xl);
        min-height: 100vh;
        display: flex;
        align-items: center;
    }
    
    .hero-container {
        gap: var(--space-3xl);
    }
    
    /* Better form experience on mobile */
    .form-group {
        margin-bottom: var(--space-xl);
    }
    
    /* Enhanced beta form for mobile */
    .beta-form {
        gap: var(--space-xl);
    }
    
    .form-header {
        margin-bottom: var(--space-lg);
    }
    
    .form-header h3 {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-sm);
    }
    
    .form-header p {
        font-size: var(--text-base);
        line-height: 1.5;
    }
    
    .input-container {
        position: relative;
    }
    
    .input-icon {
        position: absolute;
        right: var(--space-md);
        top: 50%;
        transform: translateY(-50%);
        pointer-events: none;
        font-size: var(--text-lg);
    }
    
    input, select {
        padding: var(--space-lg);
        font-size: 16px; /* Prevents zoom on iOS */
        -webkit-appearance: none;
        appearance: none;
        min-height: 56px;
        border-radius: var(--radius-lg);
        transition: all var(--transition-fast);
        -webkit-tap-highlight-color: transparent;
    }
    
    input:focus, select:focus {
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(148, 217, 165, 0.15);
    }
    
    .form-label {
        font-size: var(--text-base);
        margin-bottom: var(--space-sm);
        font-weight: 600;
    }
    
    .form-error {
        font-size: var(--text-sm);
        margin-top: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
        background: rgba(242, 184, 181, 0.1);
        border-radius: var(--radius-sm);
        border-left: 3px solid var(--color-error);
    }
    
    /* Better card spacing */
    .feature-card {
        padding: var(--space-2xl);
        margin-bottom: var(--space-lg);
    }
    
    .product-card {
        padding: var(--space-2xl);
        margin-bottom: var(--space-lg);
    }
    
    /* Better vertical rhythm */
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-3xl);
        text-align: center;
    }
    
    /* Better navigation for vertical users */
    .nav-links {
        padding-top: var(--space-2xl);
        overflow-y: auto;
        max-height: calc(100vh - var(--nav-height));
    }
    
    .nav-links a {
        padding: var(--space-lg) var(--space-xl);
        font-size: var(--text-lg);
        width: 100%;
        text-align: center;
        border-radius: var(--radius-lg);
        margin: var(--space-xs) 0;
        transition: all var(--transition-fast);
    }
    
    .nav-links a:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(4px);
    }
    
    /* Mobile navigation header */
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .nav-brand {
        font-size: var(--text-xl);
        font-weight: 700;
    }
    
    /* Mobile menu button enhancements */
    .nav-toggle {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-lg);
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1);
        border: none;
        color: var(--text-primary);
        cursor: pointer;
        transition: all var(--transition-fast);
        -webkit-tap-highlight-color: transparent;
    }
    
    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: scale(1.05);
    }
    
    .nav-toggle:active {
        transform: scale(0.95);
    }
    
    /* Better footer for mobile */
    .footer {
        padding: var(--space-3xl) 0 var(--space-xl);
    }
    
    .footer-content {
        gap: var(--space-3xl);
    }
    
    .footer-links {
        gap: var(--space-2xl);
    }
    
    .footer-link-group {
        text-align: center;
    }
    
    .footer-link-group a {
        padding: var(--space-sm) 0;
        display: block;
    }
    
    /* Better store badges for vertical layout */
    .store-badges {
        flex-direction: column;
        gap: var(--space-lg);
        align-items: center;
    }
    
    .store-badge {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--space-lg);
        font-size: var(--text-base);
    }
    
    /* Better hero actions for vertical users */
    .hero-actions {
        flex-direction: column;
        gap: var(--space-lg);
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    /* Better process steps for vertical */
    .process-step {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xl);
        padding: var(--space-xl) 0;
    }
    
    .process-icon {
        margin: 0 auto var(--space-lg);
    }
    
    /* Better CTA form */
    .cta-form {
        padding: var(--space-2xl);
        margin: var(--space-xl) var(--space-md);
        border-radius: var(--radius-xl);
    }
    
    .cta-form-container {
        padding: var(--space-xl);
    }
    
    /* Enhanced checkbox for mobile */
    .form-group-checkbox {
        gap: var(--space-lg);
        padding: var(--space-md) 0;
    }
    
    .checkmark {
        width: 24px;
        height: 24px;
        margin-top: 0;
    }
    
    .checkmark::after {
        left: 7px;
        top: 3px;
        width: 6px;
        height: 12px;
    }
    
    .checkbox-label {
        font-size: var(--text-base);
        line-height: 1.5;
    }
    
    /* Thank you message styling for mobile */
    .thank-you-message {
        padding: var(--space-2xl);
        text-align: center;
        background: rgba(148, 217, 165, 0.1);
        border-radius: var(--radius-xl);
        border: 2px solid var(--color-secondary);
        margin: var(--space-xl) 0;
    }
    
    .thank-you-message h3 {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-lg);
        color: var(--color-secondary);
    }
    
    .thank-you-message p {
        font-size: var(--text-base);
        line-height: 1.6;
        margin-bottom: var(--space-md);
        color: var(--text-primary);
    }
    
    .thank-you-message p:last-child {
        margin-bottom: 0;
        font-weight: 500;
    }
    
    /* Better text sizing for mobile */
    .hero-title {
        font-size: var(--text-5xl);
        line-height: 1.2;
        margin-bottom: var(--space-lg);
        letter-spacing: -0.02em;
    }
    
    .hero-description {
        font-size: var(--text-lg);
        line-height: 1.6;
        margin-bottom: var(--space-2xl);
        max-width: 100%;
    }
    
    .section-title {
        font-size: var(--text-4xl);
        margin-bottom: var(--space-lg);
        letter-spacing: -0.01em;
    }
    
    .section-description {
        font-size: var(--text-lg);
        line-height: 1.6;
        margin-bottom: var(--space-2xl);
        max-width: 100%;
    }
    
    /* Smooth scrolling and touch improvements */
    html {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Prevent horizontal overflow */
    body {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    /* Enhanced button hover/active states for touch */
    .btn:active {
        transform: scale(0.98);
        transition: transform var(--transition-fast);
    }
    
    /* Better form submission button */
    .beta-form .btn-large {
        width: 100%;
        margin-top: var(--space-lg);
        position: relative;
        overflow: hidden;
    }
    
    .beta-form .btn-large::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.1);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }
    
    .beta-form .btn-large:active::after {
        width: 300px;
        height: 300px;
    }
}

/* Ultra-small devices */
@media (max-width: 375px) {
    :root {
        --container-padding: var(--space-sm);
        --space-xs: 0.375rem;
        --space-sm: 0.625rem;
        --space-md: 0.875rem;
        --space-lg: 1.125rem;
        --space-xl: 1.5rem;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
        line-height: 1.15;
    }
    
    .section-title {
        font-size: var(--text-3xl);
        line-height: 1.2;
    }
    
    .btn-large {
        padding: var(--space-lg) var(--space-xl);
        font-size: var(--text-base);
        min-height: 52px;
    }
    
    .btn {
        min-height: 44px;
        padding: var(--space-md) var(--space-lg);
    }
    
    input, select {
        padding: var(--space-md);
        min-height: 50px;
        font-size: 16px;
    }
    
    .feature-card,
    .product-card {
        padding: var(--space-xl);
        border-radius: var(--radius-lg);
    }
    
    .cta-form {
        padding: var(--space-xl);
        margin: var(--space-lg) var(--space-sm);
        border-radius: var(--radius-lg);
    }
    
    .thank-you-message {
        padding: var(--space-xl);
        margin: var(--space-lg) 0;
    }
    
    .thank-you-message h3 {
        font-size: var(--text-xl);
        margin-bottom: var(--space-md);
    }
    
    .form-header h3 {
        font-size: var(--text-xl);
    }
    
    .checkmark {
        width: 22px;
        height: 22px;
    }
    
    .form-group {
        margin-bottom: var(--space-lg);
    }
    
    .beta-form {
        gap: var(--space-lg);
    }
    
    .form-error {
        font-size: var(--text-xs);
        padding: var(--space-xs) var(--space-sm);
    }
}

/* Additional mobile form enhancements */
@media (max-width: 768px) {
    /* Form validation states for mobile */
    .form-group.error input,
    .form-group.error select {
        border-color: var(--color-error);
        background: rgba(242, 184, 181, 0.05);
    }
    
    .form-group.success input,
    .form-group.success select {
        border-color: var(--color-success);
        background: rgba(184, 230, 196, 0.05);
    }
    
    /* Loading state for form submission */
    .btn.loading {
        position: relative;
        color: transparent;
        pointer-events: none;
    }
    
    .btn.loading::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 20px;
        height: 20px;
        margin: -10px 0 0 -10px;
        border: 2px solid transparent;
        border-top-color: currentColor;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        color: var(--text-primary);
    }
    
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }
    
    /* Better select dropdown arrow for mobile */
    select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238b909d' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right var(--space-md) center;
        background-size: 12px;
        padding-right: var(--space-2xl);
    }
    
    /* Accessibility improvements for mobile */
    .visually-hidden {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
    
    /* Focus visible for keyboard navigation */
    .btn:focus-visible,
    input:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--color-secondary);
        outline-offset: 2px;
    }
    
    /* Reduced motion preferences */
    @media (prefers-reduced-motion: reduce) {
        * {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
        
        .fade-in {
            animation: none;
            opacity: 1;
        }
    }
    
    /* High contrast mode support */
    @media (prefers-contrast: high) {
        :root {
            --color-secondary: #4ade80;
            --color-secondary-dark: #22c55e;
            --text-primary: #ffffff;
            --text-secondary: #e5e7eb;
        }
        
        .btn-primary {
            border: 2px solid currentColor;
        }
        
        input, select {
            border-width: 2px;
        }
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --text-7xl: 3rem;
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --section-padding: var(--space-3xl) 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .about-content,
    .cta-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-md);
        --section-padding: var(--space-2xl) 0;
        --text-7xl: 2.5rem;
        --text-5xl: 1.875rem;
        --text-4xl: 1.5rem;
    }
    
    /* Logo adjustments for mobile */
    .logo {
        gap: var(--space-xs);
    }
    
    .logo img {
        width: 28px;
        height: 28px;
    }
    
    .logo span {
        font-size: var(--text-lg);
    }
    
    /* Center all buttons on mobile */
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Container for centered buttons */
    .btn-container,
    .button-container,
    .action-buttons,
    .error-actions {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--space-4xl);
        transition: left var(--transition-normal);
        z-index: var(--z-dropdown);
    }
    
    .hero {
        padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-2xl);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .nav-links.nav-active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .store-badges {
        flex-direction: column;
        align-items: stretch;
    }
    .store-badge {
        width: 100%;
        justify-content: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    .hero-image {
        max-width: 360px;
        margin: 0 auto;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    .product-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .section {
        padding: var(--space-2xl) 0;
    }
    .section-header {
        margin-bottom: var(--space-2xl);
    }
    .hero-title {
        font-size: var(--text-5xl);
    }
    .hero-description {
        font-size: var(--text-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --text-7xl: 2rem;
        --text-5xl: 1.5rem;
        --container-padding: var(--space-sm);
    }
    
    .hero {
        padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-2xl);
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-title {
        font-size: var(--text-5xl);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: var(--text-base);
    }
    
    .hero-actions {
        gap: var(--space-md);
    }
    
    .store-badges {
        gap: var(--space-md);
    }
    
    .store-badge {
        padding: var(--space-md);
        font-size: var(--text-sm);
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .hero-image {
        max-width: 280px;
    }
    
    .section {
        padding: var(--space-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-xl);
    }
    
    .feature-card {
        padding: var(--space-xl);
    }
    
    .feature-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--space-md);
    }
    
    .product-card {
        padding: var(--space-xl);
    }
    
    .product-image {
        height: 180px;
    }
    
    .cta-form {
        padding: var(--space-xl);
    }
    
    .footer-content {
        gap: var(--space-xl);
    }
    
    .footer-links {
        gap: var(--space-lg);
    }
    
    .footer-section h4 {
        font-size: var(--text-lg);
    }
    
    .footer-section a {
        font-size: var(--text-sm);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-badge,
    .phone-mockup {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-secondary: #00ff00;
        --color-accent: #ff00ff;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --bg-primary: #000000;
        --bg-secondary: #111111;
    }
}

/* Print styles */
@media print {
    .main-nav,
    .hero-scroll-indicator,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }
}