/* AIRAudit Main Styles */

:root {
  /* Color palette - Midnight Navy & Parchment */
  --midnight-navy: #1a2332;
  --navy-dark: #0f1721;
  --navy-light: #2a3744;
  --parchment: #f8f6f1;
  --parchment-dark: #e8e6e1;

  /* Status colors */
  --status-compliant: #059669;
  --status-compliant-bg: #d1fae5;
  --status-warning: #d97706;
  --status-warning-bg: #fef3c7;
  --status-violation: #dc2626;
  --status-violation-bg: #fee2e2;

  /* Accent colors */
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 12px;
}

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

/* Base styles */
body {
  font-family: var(--font-body);
  background-color: var(--parchment);
  color: var(--midnight-navy);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

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

/* Header */
.site-header {
  background-color: var(--midnight-navy);
  color: white;
  padding: var(--spacing-md) 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  color: white;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-icon {
  font-size: 2rem;
}

.logo-text {
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: background-color 0.2s;
}

.nav-link:hover {
  background-color: var(--navy-light);
}

/* Main content */
.main-content {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* Hero section */
.hero-section {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.hero-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  color: var(--midnight-navy);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--navy-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background-color: var(--parchment-dark);
  color: var(--midnight-navy);
  border: 2px solid var(--midnight-navy);
}

.btn-secondary:hover {
  background-color: var(--midnight-navy);
  color: white;
}

/* Info section */
.info-section {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
}

.info-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.info-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.info-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.info-card h3 {
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

.info-card p {
  color: var(--navy-light);
}

/* Footer */
.site-footer {
  background-color: var(--midnight-navy);
  color: white;
  padding: var(--spacing-lg) 0;
  text-align: center;
  margin-top: auto;
}

.site-footer p {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* Loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 35, 50, 0.9);
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 9999;
}

.loading-overlay.active {
  display: flex;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-overlay p {
  color: white;
  font-size: 1.25rem;
  font-weight: 500;
}

/* Error message */
.error-message {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.error-message h1 {
  color: var(--status-violation);
  margin-bottom: var(--spacing-md);
}

.error-message p {
  margin-bottom: var(--spacing-lg);
  font-size: 1.125rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}