/* Billix.ai Website Theme - Based on Brand Guidelines */

/* Import Google Fonts for Hebrew and English support */
@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;600;700;800;900&family=Assistant:wght@400;500;600;700;800&display=swap');

/* CSS Variables - Billix Brand Colors */
:root {
  /* Primary Brand Colors */
  --brand-primary: #e34120;
  --brand-secondary: #2d2d2d;
  
  /* Primary Color Variations */
  --brand-primary-light: #f5785f;
  --brand-primary-lighter: #fae6e2;
  --brand-primary-dark: #c13519;
  --brand-primary-darker: #9f2a14;
  
  /* Secondary Color Variations */
  --brand-secondary-light: #404040;
  --brand-secondary-lighter: #666666;
  --brand-secondary-lightest: #999999;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --error: #ef4444;
  --error-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;
  
  /* Shadow Colors */
  --shadow-primary: rgba(227, 65, 32, 0.15);
  --shadow-secondary: rgba(0, 0, 0, 0.1);
  --shadow-light: rgba(0, 0, 0, 0.05);
  --shadow-dark: rgba(0, 0, 0, 0.25);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #e34120 0%, #c13519 100%);
  --gradient-secondary: linear-gradient(135deg, #2d2d2d 0%, #404040 100%);
  --gradient-hero: linear-gradient(135deg, #fae6e2 0%, #ffffff 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(227, 65, 32, 0.9) 0%, rgba(193, 53, 25, 0.9) 100%);
  
  /* Border Radius */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 12px;
  --radius-xlarge: 16px;
  --radius-round: 20px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Typography */
  --font-primary: 'Rubik', 'Assistant', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Assistant', 'Rubik', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Container Sizes */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
}

/* Global Font Settings */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--gray-900);
  font-size: 16px;
  line-height: 1.6;
  background-color: var(--white);
}

/* RTL Support for Hebrew */
html[dir="rtl"] body,
.rtl {
  direction: rtl;
  text-align: right;
}

/* Typography Scale */
h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--gray-900);
  font-family: var(--font-primary);
}

h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--gray-800);
  font-family: var(--font-primary);
}

h3 {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--gray-800);
  font-family: var(--font-primary);
}

h4 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--gray-700);
}

p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: var(--spacing-md);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-medium);
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 12px var(--shadow-primary);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-primary);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--brand-primary);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-large);
}

.btn-full {
  width: 100%;
}

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

/* Container */
.container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: var(--radius-large);
  padding: var(--spacing-lg);
  box-shadow: 0 4px 16px var(--shadow-light);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: 0 8px 32px var(--shadow-secondary);
  transform: translateY(-2px);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--gray-700);
}

input,
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-medium);
  font-size: 16px;
  font-family: inherit;
  transition: all var(--transition-fast);
  background-color: var(--white);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--brand-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--shadow-primary);
}

/* Loading Spinner */
.spinner {
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--brand-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

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

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

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

.bg-primary { background-color: var(--brand-primary); }
.bg-primary-light { background-color: var(--brand-primary-lighter); }
.bg-secondary { background-color: var(--brand-secondary); }
.bg-gradient { background: var(--gradient-primary); }

.highlight {
  color: var(--brand-primary);
  font-weight: 700;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.slide-up {
  animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
  from { 
    transform: translateY(40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Scale animation for cards */
.scale-hover {
  transition: transform var(--transition-normal);
}

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

/* Responsive helpers */
.hidden {
  display: none;
}

@media (max-width: 767px) {
  .hidden-mobile {
    display: none;
  }
}

@media (min-width: 768px) {
  .hidden-desktop {
    display: none;
  }
}

/* Logo styles */
.logo-small {
  height: 24px;
  max-width: 80px;
  object-fit: contain;
}

.logo-medium {
  height: 40px;
  max-width: 150px;
  object-fit: contain;
}

.logo-large {
  height: auto;
  max-width: 200px;
  object-fit: contain;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--brand-primary);
  border-radius: var(--radius-full);
}

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