/* Main Styles for AgentLeo - Apple-inspired Design System */

:root {
  /* Apple-inspired Color Palette */
  --primary-blue: #0071e3;
  --primary-blue-dark: #0058b6;
  --primary-blue-light: #42a5f5;
  --secondary-blue: #5ac8fa;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --background-primary: #ffffff;
  --background-secondary: #f5f5f7;
  --background-tertiary: #e8e8ed;
  --success-color: #34c759;
  --warning-color: #ff9500;
  --error-color: #ff3b30;
  --border-color: #d2d2d7;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Icons', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --heading-line-height: 1.1;
  --body-line-height: 1.5;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  /* Animation */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.4s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: var(--body-line-height);
  color: var(--text-primary);
  background-color: var(--background-primary);
  padding-top: 70px; /* Add padding to prevent content from being hidden behind fixed header */
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--heading-line-height);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

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

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

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

button, .button {
  display: inline-block;
  background-color: var(--primary-blue);
  color: white;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  font-size: 1rem;
}

button:hover, .button:hover {
  background-color: var(--primary-blue-dark);
  transform: translateY(-2px);
}

button.secondary, .button.secondary {
  background-color: var(--background-tertiary);
  color: var(--text-primary);
}

button.secondary:hover, .button.secondary:hover {
  background-color: var(--border-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  flex: 1;
  padding: 0 15px;
}

/* Section Styles */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 1.25rem;
}

/* Card Styles */
.card {
  background-color: var(--background-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%; /* Make all cards the same height */
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

/* Feature Card */
.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

/* Hero Section */
.hero {
  background-color: var(--background-secondary);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* Steps Section */
.steps-container {
  position: relative;
  padding-top: var(--spacing-lg);
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 80%;
  height: 4px;
  background-color: var(--primary-blue);
  transform: translateX(-50%);
  z-index: 0;
  opacity: 0.3;
}

.step-card {
  position: relative;
  z-index: 1;
}

.step-number {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  background-color: var(--primary-blue);
  color: white;
  border-radius: 50%;
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-weight: bold;
}

/* Testimonial Styles */
.testimonial-card {
  display: flex;
  flex-direction: column;
}

.testimonial-content {
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: var(--spacing-md);
  background-color: var(--background-tertiary);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  color: var(--primary-blue);
}

.testimonial-info {
  flex: 1;
}

.testimonial-info h4 {
  margin-bottom: var(--spacing-xs);
}

.testimonial-info p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Pricing Section */
.pricing-card {
  text-align: center;
  padding: var(--spacing-xl);
  border: 2px solid var(--border-color);
  transition: border-color var(--transition-medium);
}

.pricing-card:hover {
  border-color: var(--primary-blue);
}

.pricing-card.featured {
  border-color: var(--primary-blue);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: 1.5rem;
  right: -3rem;
  background-color: var(--primary-blue);
  color: white;
  padding: 0.5rem 4rem;
  transform: rotate(45deg);
  font-size: 0.875rem;
  font-weight: bold;
}

.pricing-header {
  margin-bottom: var(--spacing-lg);
}

.pricing-name {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-blue);
}

.pricing-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  text-align: left;
}

.pricing-feature {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
}

.pricing-feature i {
  color: var(--success-color);
  margin-right: var(--spacing-sm);
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 1s ease-in;
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

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

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

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

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Responsive Styles */
@media (max-width: 992px) {
  .container {
    max-width: 100%;
  }
  
  .row {
    flex-direction: column;
  }
  
  .col {
    width: 100%;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }

  .steps-container::before {
    display: none;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
  }
}