/* ==========================================
   GID AI RESTAURANT PLATFORM - MAIN CSS
   Professional Design System
   Inspired by Apple/Google Design Principles
   ========================================== */

/* ==========================================
   CSS VARIABLES & DESIGN SYSTEM
   ========================================== */
:root {
  /* Primary Color Palette */
  --color-primary: #f17619;
  --color-primary-light: #ffa726;
  --color-primary-dark: #e65100;
  --color-primary-alpha: rgba(241, 118, 25, 0.1);
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Semantic Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* Secondary Colors */
  --color-secondary: #6366f1;
  --color-accent: #8b5cf6;
  
  /* Typography */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-family-heading: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.4vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 0.8vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.6rem + 1vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.9rem + 1.4vw, 3rem);
  --text-5xl: clamp(3rem, 2.5rem + 2vw, 4rem);
  --text-6xl: clamp(3.75rem, 3rem + 3vw, 5rem);
  
  /* Spacing System */
  --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;
  
  /* Layout */
  --container-max-width: 1200px;
  --section-padding-y: clamp(4rem, 8vw, 8rem);
  --section-padding-x: clamp(1rem, 4vw, 2rem);
  
  /* Shadows - Apple-inspired */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-base: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

body {
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ==========================================
   TYPOGRAPHY SYSTEM
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-700);
}

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

a:hover,
a:focus {
  color: var(--color-primary-dark);
  outline: none;
}

strong {
  font-weight: 600;
  color: var(--color-gray-900);
}

/* ==========================================
   LAYOUT SYSTEM
   ========================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--section-padding-x);
}

section {
  padding: var(--section-padding-y) 0;
  position: relative;
  overflow: hidden;
}

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

.section-header h2 {
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-gray-600);
}

/* ==========================================
   BUTTON SYSTEM
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

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

/* Button Sizes */
.btn-small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-base {
  padding: var(--space-3) var(--space-6);
}

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

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

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-gray-900);
  border: 2px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Button Animations */
.cta-pulse {
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: var(--shadow-lg), 0 0 0 0 rgba(241, 118, 25, 0.4);
  }
  50% {
    box-shadow: var(--shadow-xl), 0 0 0 8px rgba(241, 118, 25, 0);
  }
}

/* ==========================================
   HERO SECTION STYLES
   ========================================== */
.hero-section {
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

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

.title-line-1 {
  display: block;
  font-size: var(--text-4xl);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}

.title-line-2 {
  display: block;
  font-size: var(--text-6xl);
}

.highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.typing-animation::after {
  content: '|';
  animation: blink 1s infinite;
}

.typing-animation.typing-complete::after {
  display: none;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin: var(--space-12) 0;
  flex-wrap: wrap;
}

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

.stat-number {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--color-gray-200);
}

.video-container {
  margin: var(--space-16) 0;
}

.video-placeholder {
  background: var(--color-gray-900);
  border-radius: var(--radius-xl);
  aspect-ratio: 16/9;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition-base);
}

.video-placeholder:hover {
  transform: scale(1.02);
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-8);
}

.play-button {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
  transition: all var(--transition-base);
}

.play-button:hover {
  background: var(--color-white);
  transform: scale(1.1);
}

.pulse-animation {
  animation: pulse 2s infinite;
}

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

.video-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width var(--transition-slow);
}

.hero-cta-container {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin: var(--space-12) 0;
  flex-wrap: wrap;
}

.pricing-hint {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.trust-indicators {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-16);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

.trust-icon {
  color: var(--color-primary);
}

.hero-background-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.floating-element {
  position: absolute;
  background: var(--color-primary-alpha);
  border-radius: var(--radius-full);
  animation: float 6s ease-in-out infinite;
}

.element-1 {
  width: 100px;
  height: 100px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.element-2 {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.element-3 {
  width: 80px;
  height: 80px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}

.gradient-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(40px);
  opacity: 0.3;
  animation: drift 8s ease-in-out infinite;
}

.orb-1 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  top: 10%;
  right: 10%;
  animation-delay: 1s;
}

.orb-2 {
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
  bottom: 30%;
  left: 5%;
  animation-delay: 3s;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.1); }
  50% { transform: translate(-20px, 20px) scale(0.9); }
  75% { transform: translate(20px, 10px) scale(1.05); }
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--color-gray-500);
}

.scroll-text {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.scroll-arrow {
  animation: bounce-arrow 2s infinite;
}

@keyframes bounce-arrow {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(10px); }
  60% { transform: translateY(5px); }
}

/* ==========================================
   PRICING SECTION STYLES
   ========================================== */
.pricing-section {
  background: var(--color-gray-50);
}

.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.toggle-label {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  font-weight: 500;
}

.toggle-switch {
  width: 60px;
  height: 32px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.toggle-slider {
  width: 28px;
  height: 28px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.discount-badge {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-base);
  margin-left: var(--space-2);
}

.employee-calculator {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-16);
}

.calculator-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.calculator-header h3 {
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

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

.calculator-controls label {
  display: block;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-3);
}

.slider-container {
  position: relative;
}

.slider-container input[type="range"] {
  width: 100%;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-base);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.slider-container input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-md);
}

.slider-value {
  text-align: center;
  margin-top: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-900);
}

.calculator-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.result-item {
  text-align: center;
  padding: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.result-item.highlight {
  background: var(--color-primary-alpha);
  border: 2px solid var(--color-primary);
}

.result-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}

.result-value {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

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

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: all var(--transition-base);
}

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

.popular-plan {
  border: 3px solid var(--color-primary);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

.plan-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.plan-header h3 {
  margin-bottom: var(--space-4);
}

.price-display {
  margin-bottom: var(--space-4);
}

.price-value {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary);
}

.price-period {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  margin-left: var(--space-2);
}

.plan-description {
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
}

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

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

.feature-icon {
  font-size: var(--text-lg);
  flex-shrink: 0;
}

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

.plan-highlight {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-top: var(--space-3);
}

.roi-indicator {
  background: var(--color-primary-alpha);
  padding: var(--space-3);
  border-radius: var(--radius-base);
  margin-top: var(--space-4);
  text-align: center;
}

.value-proposition {
  text-align: center;
  margin-top: var(--space-20);
}

.value-proposition h3 {
  margin-bottom: var(--space-8);
}

.value-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.value-stat {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

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

.value-stat .stat-number {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.value-stat .stat-label {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  font-weight: 500;
}

/* ==========================================
   DEMO SECTION STYLES
   ========================================== */
.demo-section {
  background: var(--color-white);
}

.demo-status-banner {
  background: var(--color-gray-50);
  border: 2px solid var(--color-success);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  color: var(--color-success);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  animation: pulse 2s infinite;
}

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

.demo-container {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-16);
}

.demo-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  padding: var(--space-2);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.demo-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: none;
  border-radius: var(--radius-base);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.demo-tab:hover:not(.active) {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

.demo-content {
  display: none;
}

.demo-content.active {
  display: block;
}

.demo-interface {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

/* Voice Demo Styles */
.voice-interface {
  text-align: center;
}

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

.state-content {
  display: none;
}

.state-content:first-child {
  display: block;
}

.demo-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-6);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
}

.avatar-ring {
  position: absolute;
  inset: -4px;
  border: 4px solid var(--color-primary-alpha);
  border-radius: var(--radius-full);
  animation: spin-slow 8s linear infinite;
}

.avatar-pulse {
  position: absolute;
  inset: -8px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  opacity: 0.5;
  animation: pulse 2s infinite;
}

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

.sound-waves {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}

.wave {
  width: 4px;
  height: 20px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  animation: wave 1.5s ease-in-out infinite;
}

.wave:nth-child(2) { animation-delay: 0.1s; }
.wave:nth-child(3) { animation-delay: 0.2s; }
.wave:nth-child(4) { animation-delay: 0.3s; }

@keyframes wave {
  0%, 40%, 100% { transform: scaleY(0.4); }
  20% { transform: scaleY(1); }
}

.thinking-indicator {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.thinking-indicator .dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  animation: thinking 1.4s ease-in-out infinite both;
}

.thinking-indicator .dot:nth-child(1) { animation-delay: -0.32s; }
.thinking-indicator .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes thinking {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

.demo-debug {
  background: var(--color-gray-900);
  color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-top: var(--space-8);
  font-family: var(--font-family-mono);
  font-size: var(--text-sm);
}

.debug-console {
  background: var(--color-black);
  padding: var(--space-3);
  border-radius: var(--radius-base);
  margin: var(--space-3) 0;
  max-height: 200px;
  overflow-y: auto;
}

.debug-note {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--space-2);
}

/* Chat Demo Styles */
.chat-container {
  max-width: 600px;
  margin: 0 auto;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--space-4);
}

.chat-avatar .avatar-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
}

.chat-info h4 {
  margin: 0;
}

.status.online {
  font-size: var(--text-sm);
  color: var(--color-success);
}

.chat-messages {
  height: 400px;
  overflow-y: auto;
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.message {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.message-avatar {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.user-message {
  flex-direction: row-reverse;
}

.user-message .message-content {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-base) var(--radius-lg);
}

.ai-message .message-content {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-base);
}

.message-content {
  padding: var(--space-3) var(--space-4);
  max-width: 400px;
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.suggestion-btn {
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.chat-input-container {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  border-top: 1px solid var(--color-gray-200);
}

.chat-input-container input {
  flex: 1;
  padding: var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--transition-fast);
}

.chat-input-container input:focus {
  border-color: var(--color-primary);
}

.send-btn {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.send-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

/* Phone Demo Styles */
.phone-mockup {
  max-width: 300px;
  margin: 0 auto;
  background: var(--color-black);
  border-radius: 30px;
  padding: var(--space-4);
  box-shadow: var(--shadow-2xl);
}

.phone-screen {
  background: var(--color-white);
  border-radius: 25px;
  overflow: hidden;
  min-height: 500px;
}

.phone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-50);
  font-size: var(--text-sm);
  font-weight: 600;
}

.phone-indicators {
  display: flex;
  gap: var(--space-2);
}

.signal, .wifi, .battery {
  width: 16px;
  height: 10px;
  background: var(--color-gray-400);
  border-radius: var(--radius-sm);
}

.call-interface {
  padding: var(--space-8);
  text-align: center;
  min-height: 450px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.caller-avatar {
  width: 100px;
  height: 100px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  font-weight: 700;
  margin: 0 auto var(--space-4);
}

.phone-number {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

.call-actions {
  display: flex;
  justify-content: center;
}

.call-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.answer-btn {
  background: var(--color-success);
  color: var(--color-white);
}

.answer-btn:hover {
  background: #059669;
  transform: scale(1.1);
}

.phone-instructions {
  margin-top: var(--space-8);
  text-align: center;
}

.phone-features {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* Alternative Communication */
.alt-communication {
  margin-top: var(--space-16);
  text-align: center;
}

.comm-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.comm-method {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.comm-method:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.method-icon {
  flex-shrink: 0;
  color: var(--color-primary);
}

.method-content h4 {
  margin: 0 0 var(--space-1);
  color: var(--color-gray-900);
}

.method-content p {
  margin: 0;
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

.demo-footer {
  text-align: center;
  margin-top: var(--space-16);
}

.demo-powered {
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
}

.tech-stack {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tech-item {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.tech-divider {
  color: var(--color-gray-400);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .stat-divider {
    width: 100px;
    height: 1px;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .popular-plan {
    transform: none;
  }
  
  .demo-tabs {
    flex-direction: column;
  }
  
  .comm-methods {
    grid-template-columns: 1fr;
  }
  
  .hero-cta-container {
    flex-direction: column;
    align-items: center;
  }
  
  .trust-indicators {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-in {
  animation: fadeIn 1s ease-out 0.5s both;
}

.animate-slide-up {
  animation: slideUp 1s ease-out 1s both;
}

.animate-scale-in {
  animation: scaleIn 1s ease-out 1.5s both;
}

.animate-bounce-in {
  animation: bounceIn 1s ease-out 2s both;
}

.animate-fade-in-up {
  animation: fadeInUp 1s ease-out 2.5s both;
}

.animate-bounce {
  animation: bounce 2s infinite 3s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(50px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from { 
    opacity: 0;
    transform: scale(0.8);
  }
  to { 
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3) translateY(50px);
  }
  50% {
    opacity: 1;
    transform: scale(1.05) translateY(-10px);
  }
  70% {
    transform: scale(0.9) translateY(0);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* ==========================================
   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; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-white { background-color: var(--color-white); }

.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }