/* ========================================
   1. CSS Custom Properties & Variables
======================================== */
:root {
  /* Primary Colors - BIOR Brand */
  --primary: #308157;
  --primary-light: #42ba96;
  --primary-dark: #205438;
  --primary-50: #f0f9f4;
  --primary-100: #dcf2e3;
  --primary-200: #bce4c9;
  --primary-300: #8dd0a7;
  --primary-400: #5cb57f;
  --primary-500: #308157;
  --primary-600: #286b47;
  --primary-700: #205438;
  --primary-800: #183d28;
  --primary-900: #0f261a;

  /* Light Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-overlay: rgba(255, 255, 255, 0.95);
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  --border-primary: #e2e8f0;
  --border-secondary: #cbd5e1;
  --border-hover: #94a3b8;
  
  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(48, 129, 87, 0.3);
  
  /* Spacing System (rem-based) */
  --space-px: 1px;
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* 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;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-bounce: 0.25s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Z-index Scale */
  --z-auto: auto;
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-overlay: rgba(15, 23, 42, 0.95);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --text-inverse: #1e293b;
  
  --border-primary: #334155;
  --border-secondary: #475569;
  --border-hover: #64748b;
  
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(66, 186, 150, 0.4);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 
               "Helvetica Neue", Arial, sans-serif;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: color var(--transition-base), background-color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

body.loaded {
  overflow-x: hidden;
}

/* ========================================
   3. Loading Screen
======================================== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.loading-content {
  text-align: center;
  color: var(--text-primary);
}

.loading-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.loading-logo .material-symbols-outlined {
  font-size: 2rem;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-primary);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-4);
}

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

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

/* ========================================
   4. Header & Navigation
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-primary);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
  transform: translateY(0);
}

.header.scrolled {
  background: var(--bg-overlay);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  transition: transform var(--transition-bounce);
  z-index: var(--z-tooltip);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  transition: transform var(--transition-base);
  filter: drop-shadow(0 2px 4px rgba(48, 129, 87, 0.2));
  flex-shrink: 0;
}

.logo:hover .logo-icon {
  transform: scale(1.1) rotate(3deg);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  margin: 0;
  align-items: center;
}

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

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

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

[data-theme="dark"] .nav-link:hover {
  background: var(--primary-900);
}

.nav-link:hover::after {
  width: 70%;
}

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

/* Mobile-only elements */
.mobile-only {
  display: none;
}

.desktop-only {
  display: flex;
}

/* ========================================
   5. Language Selector
======================================== */
.lang-selector {
  display: flex;
  gap: var(--space-1);
  background: var(--bg-secondary);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-primary);
  transition: all var(--transition-base);
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 500;
  transition: all var(--transition-base);
  min-width: 32px;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.lang-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transform: scale(0);
  transition: transform var(--transition-bounce);
  z-index: -1;
}

.lang-btn:hover::before,
.lang-btn.active::before {
  transform: scale(1);
}

.lang-btn:hover,
.lang-btn.active {
  color: white;
  transform: scale(1.05);
}

.flag-icon {
  font-size: 14px;
}

/* ========================================
   6. Theme Toggle
======================================== */
.theme-toggle {
  position: relative;
  width: 48px;
  height: 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid var(--border-secondary);
  display: flex;
  align-items: center;
  padding: 2px;
  flex-shrink: 0;
  overflow: hidden;
  outline: none;
}

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

.theme-toggle::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: var(--bg-primary);
  border-radius: 50%;
  transition: all var(--transition-bounce);
  transform: translateX(0);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-secondary);
  z-index: 2;
}

[data-theme="dark"] .theme-toggle::before {
  transform: translateX(24px);
  background: var(--primary);
  border-color: var(--primary);
}

.theme-toggle:hover {
  background: var(--primary-100);
  border-color: var(--primary);
}

[data-theme="dark"] .theme-toggle:hover {
  background: var(--primary-800);
  border-color: var(--primary);
}

.theme-icon-light,
.theme-icon-dark {
  position: absolute;
  font-size: 12px;
  transition: all var(--transition-base);
  z-index: 1;
  pointer-events: none;
}

.theme-icon-light {
  left: 4px;
  opacity: 1;
}

.theme-icon-dark {
  right: 4px;
  opacity: 0.5;
}

[data-theme="dark"] .theme-icon-light {
  opacity: 0.5;
}

[data-theme="dark"] .theme-icon-dark {
  opacity: 1;
}

/* Enhanced hover states */
.theme-toggle:hover .theme-icon-light,
.theme-toggle:hover .theme-icon-dark {
  transform: scale(1.2);
}

/* Active state */
.theme-toggle:active::before {
  transform: scale(0.9) translateX(0);
}

[data-theme="dark"] .theme-toggle:active::before {
  transform: scale(0.9) translateX(24px);
}

/* Debug and fallback styles */
.theme-toggle.dark-active::before {
  transform: translateX(24px);
  background: var(--primary);
  border-color: var(--primary);
}

/* Ensure visibility */
.theme-toggle {
  z-index: 10;
  min-width: 48px;
  min-height: 24px;
}

/* Fallback theme toggle styles */
#theme-toggle-fallback {
  margin-right: var(--space-2);
}

/* Debug: Red border when theme toggle has issues */
.theme-toggle:not([aria-checked]) {
  border: 2px solid red !important;
}

/* ========================================
   7. CTA Button
======================================== */
.cta-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-xs);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-bounce);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

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

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

.cta-btn:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: var(--shadow-md);
  background: var(--primary-dark);
}

.cta-btn .material-symbols-outlined {
  font-size: 16px;
}

/* ========================================
   8. Mobile Menu
======================================== */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-tooltip);
  position: relative;
}

.hamburger {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

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

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

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

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-dropdown) - 1);
  backdrop-filter: blur(4px);
  transition: opacity var(--transition-base);
  opacity: 0;
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-lang-container {
  display: none;
}

/* ========================================
   9. Hero Section
======================================== */
.hero {
  padding: calc(80px + var(--space-16)) var(--space-4) var(--space-16);
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 80% 20%, rgba(48, 129, 87, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(48, 129, 87, 0.05) 0%, transparent 50%);
  animation: float-bg 20s ease-in-out infinite;
  z-index: -1;
}

[data-theme="dark"] .hero::before {
  background: 
    radial-gradient(circle at 80% 20%, rgba(66, 186, 150, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(66, 186, 150, 0.08) 0%, transparent 50%);
}

@keyframes float-bg {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(20px, -20px) rotate(1deg); }
  66% { transform: translate(-15px, 15px) rotate(-1deg); }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: var(--leading-tight);
  text-align: center;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(0.875rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

/* ========================================
   10. Tab Switcher
======================================== */
.tab-switcher {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-8);
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-1);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border-primary);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  border-radius: var(--radius-xl);
  transition: all var(--transition-bounce);
  position: relative;
  flex: 1;
  justify-content: center;
  white-space: nowrap;
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-xl);
  transform: scale(0);
  transition: transform var(--transition-bounce);
  z-index: -1;
}

.tab-btn.active::before {
  transform: scale(1);
}

.tab-btn.active {
  color: white;
  box-shadow: var(--shadow-md);
}

.tab-btn:not(.active):hover {
  color: var(--primary);
  background: var(--primary-50);
}

[data-theme="dark"] .tab-btn:not(.active):hover {
  background: var(--primary-900);
}

.tab-btn .material-symbols-outlined {
  font-size: 18px;
}

/* ========================================
   11. Tab Content & Info Table
======================================== */
.tab-content {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeInScale 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.info-table {
  display: grid;
  gap: var(--space-4);
}

.info-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-4);
  align-items: stretch;
}

.info-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--primary);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border-left: 3px solid var(--primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  font-size: var(--text-sm);
}

.info-label:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.info-label .material-symbols-outlined {
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
}

.info-value {
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  line-height: var(--leading-relaxed);
  border-left: 3px solid var(--primary-300);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  font-weight: 500;
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.info-value:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========================================
   12. Results Section
======================================== */
.results {
  padding: var(--space-16) var(--space-4);
  background: var(--bg-secondary);
  position: relative;
}

.results::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 30% 70%, rgba(48, 129, 87, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(48, 129, 87, 0.05) 0%, transparent 50%);
  z-index: -1;
}

[data-theme="dark"] .results::before {
  background: 
    radial-gradient(circle at 30% 70%, rgba(66, 186, 150, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(66, 186, 150, 0.08) 0%, transparent 50%);
}

.results-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.results-section {
  margin-bottom: var(--space-12);
}

.results-section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-6);
  text-align: center;
}

.results-section-title .material-symbols-outlined {
  font-size: clamp(1.25rem, 3vw, 2rem);
  color: var(--primary);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}

.result-card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-4);
  transition: all var(--transition-bounce);
  border: 1px solid var(--border-primary);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  width: 100%;
  min-width: 0;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(48, 129, 87, 0.03) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.result-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-bounce);
}

.result-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

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

.result-card:hover::after {
  transform: scaleX(1);
}

.result-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.result-icon {
  font-size: 2rem;
  padding: var(--space-3);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-bounce);
  min-width: 50px;
  min-height: 50px;
  flex-shrink: 0;
}

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

.result-info {
  flex: 1;
  min-width: 0;
}

.result-info h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  line-height: var(--leading-tight);
  word-wrap: break-word;
}

.result-location {
  color: var(--text-secondary);
  font-size: var(--text-xs);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.result-location .material-symbols-outlined {
  font-size: 14px;
  color: var(--primary);
  flex-shrink: 0;
}

.result-area {
  background: var(--primary-100);
  color: var(--primary-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: inline-block;
  border: 1px solid var(--primary-200);
  transition: all var(--transition-base);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-theme="dark"] .result-area {
  background: var(--primary-900);
  color: var(--primary-300);
  border-color: var(--primary-800);
}

.result-card:hover .result-area {
  background: var(--primary);
  color: white;
  transform: scale(1.05);
  border-color: transparent;
}

.result-effect {
  background: var(--bg-secondary);
  padding: var(--space-3);
  border-radius: var(--radius-xl);
  font-weight: 500;
  line-height: var(--leading-relaxed);
  border-left: 3px solid var(--primary);
  color: var(--text-primary);
  font-size: var(--text-sm);
  word-wrap: break-word;
}

/* ========================================
   13. CTA Section
======================================== */
.cta-section {
  background: var(--primary);
  color: white;
  padding: var(--space-16) var(--space-4);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  animation: float-bg 30s linear infinite;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(1.25rem, 4vw, 2.25rem);
  font-weight: 800;
  margin-bottom: var(--space-6);
  line-height: var(--leading-tight);
}

.cta-large {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: white;
  color: var(--primary);
  padding: var(--space-4) var(--space-8);
  border: none;
  border-radius: var(--radius-full);
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-bounce);
  margin: var(--space-4) 0;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.cta-large::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary);
  transition: left var(--transition-slow);
  z-index: -1;
}

.cta-large:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-2xl);
  color: white;
}

.cta-large:hover::before {
  left: 0;
}

.cta-large .material-symbols-outlined {
  font-size: 20px;
  position: relative;
  z-index: 1;
}

.cta-large span {
  position: relative;
  z-index: 1;
}

.cta-alternative {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-alternative p {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  margin-bottom: var(--space-4);
  opacity: 0.9;
  font-weight: 500;
}

.distributor-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: white;
  border: 2px solid white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
  font-size: var(--text-sm);
}

.distributor-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: white;
  transform: scale(0);
  transition: transform var(--transition-bounce);
  border-radius: var(--radius-full);
  z-index: -1;
}

.distributor-btn:hover {
  transform: translateY(-2px) scale(1.05);
  color: var(--primary);
}

.distributor-btn:hover::before {
  transform: scale(1);
}

/* ========================================
   14. FAQ Section
======================================== */
.faq {
  padding: var(--space-16) var(--space-4);
  background: var(--bg-primary);
  position: relative;
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.faq-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-8);
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--space-1);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border-primary);
}

.faq-tab {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-xl);
  transition: all var(--transition-bounce);
  flex: 1;
  justify-content: center;
  position: relative;
  font-size: var(--text-xs);
}

.faq-tab::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-xl);
  transform: scale(0);
  transition: transform var(--transition-bounce);
  z-index: -1;
}

.faq-tab.active::before {
  transform: scale(1);
}

.faq-tab.active {
  color: white;
  box-shadow: var(--shadow-md);
}

.faq-tab:not(.active):hover {
  color: var(--primary);
  background: var(--primary-50);
}

[data-theme="dark"] .faq-tab:not(.active):hover {
  background: var(--primary-900);
}

.faq-content {
  position: relative;
}

.faq-panel {
  display: none;
}

.faq-panel.active {
  display: block;
  animation: fadeInScale 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.faq-item {
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-bounce);
  border: 1px solid var(--border-primary);
  position: relative;
}

.faq-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-bounce);
}

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

.faq-item:hover::after,
.faq-item.active::after {
  transform: scaleX(1);
}

.faq-item.active {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.faq-question {
  padding: var(--space-4);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition-base);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  color: var(--text-primary);
  gap: var(--space-3);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question .material-symbols-outlined {
  font-size: 20px;
  color: var(--primary);
  transition: all var(--transition-bounce);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  background: var(--primary-100);
  flex-shrink: 0;
}

[data-theme="dark"] .faq-question .material-symbols-outlined {
  background: var(--primary-900);
}

.faq-item.active .faq-question .material-symbols-outlined {
  transform: rotate(180deg);
  background: var(--primary);
  color: white;
}

.faq-answer {
  padding: 0 var(--space-4) var(--space-4);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  display: none;
  font-weight: 500;
  font-size: var(--text-sm);
}

.faq-item.active .faq-answer {
  display: block;
  animation: fadeInSlide 0.5s ease-out;
}

@keyframes fadeInSlide {
  from {
    opacity: 0;
    transform: translateY(-15px);
    max-height: 0;
  }
  to {
    opacity: 1;
    transform: translateY(0);
    max-height: 200px;
  }
}

/* ========================================
   15. Footer
======================================== */
.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--space-8) var(--space-4) var(--space-4);
  position: relative;
}

[data-theme="dark"] .footer {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
  position: relative;
  z-index: 1;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 800;
  margin-bottom: var(--space-4);
  transition: transform var(--transition-bounce);
}

.footer-logo:hover {
  transform: scale(1.02);
}

.footer-logo .material-symbols-outlined {
  font-size: 32px;
  color: var(--primary);
}

.footer-copyright,
.footer-address {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-2);
  line-height: var(--leading-relaxed);
  font-weight: 500;
  font-size: var(--text-sm);
}

[data-theme="dark"] .footer-copyright,
[data-theme="dark"] .footer-address {
  color: var(--text-secondary);
}

.footer-address {
  font-style: normal;
}

.footer-contact {
  display: grid;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  transition: all var(--transition-bounce);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: var(--text-sm);
  text-decoration: none;
}

[data-theme="dark"] .contact-item {
  color: var(--text-primary);
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
  color: white;
}

[data-theme="dark"] .contact-item:hover {
  background: var(--bg-primary);
  color: var(--primary);
}

.contact-item .material-symbols-outlined {
  font-size: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

/* ========================================
   16. Modal
======================================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: var(--z-modal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.4s ease-out;
  padding: var(--space-4);
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    backdrop-filter: blur(0px);
  }
  to {
    opacity: 1;
    backdrop-filter: blur(10px);
  }
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: modalSlideUp 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  border: 1px solid var(--border-primary);
  position: relative;
}

.modal-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(100px) scale(0.9);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--border-primary);
}

.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--primary);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 20px;
  padding: var(--space-1);
  border-radius: var(--radius-full);
  transition: all var(--transition-bounce);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  transform: scale(1.1) rotate(90deg);
}

.modal-body {
  padding: var(--space-3) var(--space-4) var(--space-4);
}

.modal-body p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  font-weight: 500;
  font-size: var(--text-sm);
}

.distributor-form {
  display: grid;
  gap: var(--space-3);
}

.form-group {
  position: relative;
}

.distributor-form input,
.distributor-form textarea {
  width: 100%;
  padding: var(--space-3);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  transition: all var(--transition-bounce);
  font-family: inherit;
  font-weight: 500;
  background: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
}

.distributor-form input:focus,
.distributor-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(48, 129, 87, 0.1);
  transform: translateY(-1px);
}

.distributor-form input.valid {
  border-color: var(--success);
}

.distributor-form input.invalid {
  border-color: var(--error);
}

.distributor-form textarea {
  resize: vertical;
  min-height: 100px;
}

.error-message {
  color: var(--error);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: none;
  animation: fadeInUp 0.3s ease;
}

.error-message[style*="display: block"] {
  display: block;
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--primary);
  color: white;
  border: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-bounce);
  font-size: var(--text-sm);
}

.submit-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
  background: var(--primary-dark);
}

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

/* ========================================
   17. Animation Classes
======================================== */
.animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   18. Responsive Design - Mobile First
======================================== */

/* Tablet (768px and up) */
@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }
  
  .desktop-only {
    display: none;
  }
  
  .mobile-only {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 85vw;
    flex-direction: column;
    padding: calc(var(--space-16) + var(--space-4)) var(--space-4) var(--space-4);
    background: var(--bg-primary);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-2xl);
    border-left: 1px solid var(--border-primary);
    justify-content: flex-start;
    gap: var(--space-2);
    overflow-y: auto;
    z-index: var(--z-dropdown);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    text-align: left;
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    display: block;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: var(--space-1);
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .mobile-lang-container {
    display: block;
    width: 100%;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-primary);
  }
  
  .mobile-lang-container .lang-selector {
    width: 100%;
    justify-content: space-between;
  }
  
  .mobile-lang-container .lang-btn {
    flex: 1;
    padding: var(--space-2);
  }
  
  .header-right {
    gap: var(--space-2);
  }
  
  .nav-container {
    padding: var(--space-2) var(--space-3);
  }
  
  .cta-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.65rem;
  }
  
  /* Hero adjustments */
  .hero {
    padding: calc(70px + var(--space-12)) var(--space-3) var(--space-12);
    min-height: 90vh;
  }
  
  .hero-title {
    margin-bottom: var(--space-3);
  }
  
  .hero-subtitle {
    margin-bottom: var(--space-6);
  }
  
  /* Tab adjustments */
  .tab-switcher {
    max-width: 400px;
    margin-bottom: var(--space-6);
  }
  
  .tab-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.8rem;
    gap: var(--space-1);
  }
  
  .tab-btn .material-symbols-outlined {
    font-size: 16px;
  }
  
  .tab-content {
    padding: var(--space-6);
  }
  
  .info-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  
  .info-label,
  .info-value {
    padding: var(--space-3);
    font-size: 0.8rem;
  }
  
  .info-label .material-symbols-outlined {
    font-size: 18px;
  }
  
  /* Results adjustments */
  .results {
    padding: var(--space-12) var(--space-3);
  }
  
  .results-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .result-card {
    padding: var(--space-3);
  }
  
  .result-header {
    gap: var(--space-2);
  }
  
  .result-icon {
    min-width: 40px;
    min-height: 40px;
    font-size: 1.5rem;
    padding: var(--space-2);
  }
  
  .result-info h4 {
    font-size: 0.9rem;
  }
  
  .result-effect {
    padding: var(--space-2);
    font-size: 0.8rem;
  }
  
  /* CTA adjustments */
  .cta-section {
    padding: var(--space-12) var(--space-3);
  }
  
  .cta-large {
    padding: var(--space-3) var(--space-6);
  }
  
  .distributor-btn {
    padding: var(--space-2) var(--space-4);
    font-size: 0.8rem;
  }
  
  .cta-title {
    margin-bottom: var(--space-4);
  }
  
  .cta-alternative {
    margin-top: var(--space-6);
    padding-top: var(--space-4);
  }
  
  /* FAQ adjustments */
  .faq {
    padding: var(--space-12) var(--space-3);
  }
  
  .faq-tabs {
    max-width: 300px;
    margin-bottom: var(--space-6);
  }
  
  .faq-tab {
    padding: var(--space-2) var(--space-3);
    font-size: 0.65rem;
  }
  
  .faq-item {
    margin-bottom: var(--space-2);
    border-radius: var(--radius-xl);
  }
  
  .faq-question {
    padding: var(--space-3);
    font-size: 0.8rem;
  }
  
  .faq-answer {
    padding: 0 var(--space-3) var(--space-3);
    font-size: 0.8rem;
  }
  
  .faq-question .material-symbols-outlined {
    font-size: 18px;
  }
  
  /* Footer adjustments */
  .footer {
    padding: var(--space-6) var(--space-3) var(--space-3);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    text-align: center;
  }
  
  .footer-logo {
    justify-content: center;
  }
  
  .contact-item {
    justify-content: center;
  }
  
  /* Modal adjustments */
  .modal {
    padding: var(--space-2);
  }
  
  .modal-content {
    max-width: 95%;
    border-radius: var(--radius-xl);
  }
  
  .modal-header,
  .modal-body {
    padding: var(--space-3);
  }
  
  .modal-header h3 {
    font-size: var(--text-base);
  }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
  .nav-menu {
    width: 100%;
    max-width: 100vw;
    padding: calc(var(--space-12) + var(--space-4)) var(--space-3) var(--space-3);
  }
  
  .logo {
    font-size: var(--text-base);
  }
  
  .logo-icon {
    width: 28px;
    height: 28px;
  }
  
  .nav-container {
    padding: var(--space-2);
  }
  
  .cta-btn span:not(.material-symbols-outlined) {
    display: none;
  }
  
  .cta-btn {
    padding: var(--space-2);
    min-width: 40px;
  }
  
  /* Hero adjustments */
  .hero {
    padding: calc(60px + var(--space-8)) var(--space-2) var(--space-8);
    min-height: 85vh;
  }
  
  /* Tab adjustments */
  .tab-switcher {
    max-width: 300px;
    flex-direction: column;
    gap: var(--space-1);
  }
  
  .tab-btn {
    padding: var(--space-2);
    font-size: 0.7rem;
  }
  
  .tab-content {
    padding: var(--space-4);
    border-radius: var(--radius-xl);
  }
  
  .info-table {
    gap: var(--space-3);
  }
  
  .info-row {
    gap: var(--space-1);
  }
  
  .info-label,
  .info-value {
    padding: var(--space-2);
    font-size: 0.75rem;
    border-radius: var(--radius-lg);
  }
  
  .info-label .material-symbols-outlined {
    font-size: 16px;
  }
  
  /* Results adjustments */
  .results {
    padding: var(--space-10) var(--space-2);
  }
  
  .results-grid {
    gap: var(--space-2);
  }
  
  .result-card {
    padding: var(--space-2);
  }
  
  .result-icon {
    min-width: 36px;
    min-height: 36px;
    font-size: 1.25rem;
    padding: var(--space-1);
  }
  
  .result-info h4 {
    font-size: 0.85rem;
  }
  
  .result-location {
    font-size: 0.65rem;
  }
  
  .result-area {
    font-size: 0.65rem;
    padding: var(--space-1) var(--space-2);
  }
  
  .result-effect {
    font-size: 0.75rem;
    padding: var(--space-2);
  }
  
  /* CTA adjustments */
  .cta-section {
    padding: var(--space-10) var(--space-2);
  }
  
  .cta-large {
    padding: var(--space-2) var(--space-4);
    gap: var(--space-1);
  }
  
  .cta-large .material-symbols-outlined {
    font-size: 18px;
  }
  
  .distributor-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.75rem;
    gap: var(--space-1);
  }
  
  /* FAQ adjustments */
  .faq {
    padding: var(--space-10) var(--space-2);
  }
  
  .faq-tabs {
    max-width: 280px;
    flex-direction: column;
    gap: var(--space-1);
  }
  
  .faq-tab {
    padding: var(--space-2);
    font-size: 0.6rem;
  }
  
  .faq-question {
    padding: var(--space-2);
    font-size: 0.75rem;
    gap: var(--space-2);
  }
  
  .faq-answer {
    padding: 0 var(--space-2) var(--space-2);
    font-size: 0.75rem;
  }
  
  .faq-question .material-symbols-outlined {
    font-size: 16px;
  }
  
  /* Footer adjustments */
  .footer {
    padding: var(--space-4) var(--space-2) var(--space-2);
  }
  
  .footer-container {
    gap: var(--space-3);
  }
  
  .footer-logo {
    font-size: var(--text-base);
    margin-bottom: var(--space-3);
  }
  
  .footer-logo .material-symbols-outlined {
    font-size: 28px;
  }
  
  .footer-copyright,
  .footer-address {
    font-size: 0.8rem;
  }
  
  .contact-item {
    font-size: 0.8rem;
    padding: var(--space-1);
  }
  
  .contact-item .material-symbols-outlined {
    font-size: 16px;
  }
  
  /* Modal adjustments */
  .modal {
    padding: var(--space-1);
  }
  
  .modal-content {
    max-width: 98%;
    border-radius: var(--radius-lg);
  }
  
  .modal-header {
    padding: var(--space-2) var(--space-3);
  }
  
  .modal-body {
    padding: var(--space-2) var(--space-3) var(--space-3);
  }
  
  .modal-header h3 {
    font-size: 0.9rem;
  }
  
  .modal-body p {
    font-size: 0.8rem;
  }
  
  .distributor-form input,
  .distributor-form textarea {
    padding: var(--space-2);
    font-size: 0.8rem;
  }
  
  .submit-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.8rem;
  }
}

/* Small Mobile (360px and below) */
@media (max-width: 360px) {
  .nav-container {
    padding: var(--space-1) var(--space-2);
  }
  
  .header-right {
    gap: var(--space-1);
  }
  
  .theme-toggle {
    width: 40px;
    height: 20px;
  }
  
  .theme-toggle::before {
    width: 16px;
    height: 16px;
  }
  
  [data-theme="dark"] .theme-toggle::before {
    transform: translateX(20px);
  }
  
  .hero {
    padding: calc(60px + var(--space-6)) var(--space-1) var(--space-6);
  }
  
  .tab-switcher {
    max-width: 260px;
  }
  
  .tab-btn span:not(.material-symbols-outlined) {
    font-size: 0.65rem;
  }
  
  .tab-content {
    padding: var(--space-3);
  }
  
  .info-table {
    gap: var(--space-2);
  }
  
  .info-label,
  .info-value {
    padding: var(--space-2);
    font-size: 0.65rem;
  }
  
  .results {
    padding: var(--space-8) var(--space-1);
  }
  
  .result-card {
    border-radius: var(--radius-lg);
  }
  
  .result-info h4 {
    font-size: 0.8rem;
  }
  
  .result-effect {
    font-size: 0.65rem;
    padding: var(--space-1);
  }
  
  .cta-section {
    padding: var(--space-8) var(--space-1);
  }
  
  .cta-large {
    padding: var(--space-2) var(--space-3);
  }
  
  .distributor-btn {
    padding: var(--space-1) var(--space-2);
    font-size: 0.65rem;
  }
  
  .faq {
    padding: var(--space-8) var(--space-1);
  }
  
  .faq-tabs {
    max-width: 240px;
  }
  
  .faq-question {
    font-size: 0.65rem;
  }
  
  .faq-answer {
    font-size: 0.65rem;
  }
  
  .footer {
    padding: var(--space-3) var(--space-1) var(--space-1);
  }
  
  .footer-copyright,
  .footer-address,
  .contact-item {
    font-size: 0.7rem;
  }
  
  .modal-content {
    max-width: 99%;
  }
  
  .modal-header h3 {
    font-size: 0.85rem;
  }
  
  .modal-body p {
    font-size: 0.7rem;
  }
  
  .distributor-form input,
  .distributor-form textarea {
    font-size: 0.7rem;
  }
  
  .submit-btn {
    font-size: 0.7rem;
  }
}

/* ========================================
   19. Accessibility & Focus States
======================================== */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

/* Enhanced focus for mobile */
@media (max-width: 768px) {
  :focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-primary: #000000;
    --border-secondary: #333333;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  }
  
  [data-theme="dark"] {
    --border-primary: #ffffff;
    --border-secondary: #cccccc;
  }
  
  .nav-link,
  .tab-btn,
  .faq-question,
  .result-card,
  .info-label,
  .info-value {
    border: 2px solid var(--border-primary);
  }
}

/* Reduced motion support */
@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;
  }
  
  .animate,
  .animate.visible {
    transition: none;
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* ========================================
   20. Print Styles
======================================== */
@media print {
  .header,
  .mobile-toggle,
  .theme-toggle,
  .modal,
  .mobile-overlay,
  .loading-screen {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .hero,
  .results,
  .cta-section,
  .faq {
    box-shadow: none !important;
    page-break-inside: avoid;
    padding: 1rem !important;
  }
  
  .result-card,
  .faq-item,
  .info-row {
    page-break-inside: avoid;
    border: 1px solid #000 !important;
    margin-bottom: 0.5rem !important;
  }
  
  .cta-section {
    background: transparent !important;
    color: black !important;
  }
  
  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }
}

/* ========================================
   21. Utility Classes
======================================== */
.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;
}

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

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.transition-all { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }

/* Loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

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

/* Error and success states */
.error {
  color: var(--error);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
}

.success {
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
}

/* Safe area support for modern devices */
@supports (padding: max(0px)) {
  .header,
  .nav-menu,
  .modal {
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
  }
  
  .footer {
    padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
  }
}

/* iOS Safari specific fixes */
@supports (-webkit-appearance: none) {
  .header {
    -webkit-backdrop-filter: blur(12px);
  }
  
  input,
  textarea,
  select {
    -webkit-appearance: none;
    border-radius: var(--radius-lg);
  }
}

/* Touch-friendly tap targets */
@media (max-width: 768px) {
  button,
  .nav-link,
  .tab-btn,
  .lang-btn,
  .cta-btn,
  .faq-question,
  .contact-item {
    min-height: 44px;
    min-width: 44px;
  }
}

/* Enhanced scrollbar for webkit browsers */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Selection color */
::selection {
  background: var(--primary);
  color: white;
}