/* Base styles and resets */
:root {
  /* Colors */
  --color-primary: #4a90e2;
  --color-primary-dark: #2a6fc9;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #f8f9fa;
  --color-border: #e9ecef;
  --color-white: #fff;
  --color-black: #000;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.5;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  
  /* Transitions */
  --transition-base: all 0.2s ease;
  --transition-slow: all 0.3s ease;
}

/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Main content */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 1.5rem 2rem; /* Add top padding to account for fixed header */
  min-height: calc(100vh - 200px); /* Ensure footer stays at bottom */
}

/* Sections */
section {
  margin: 2rem 0;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

section h2 {
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

section p {
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.main-heading {
  font-size: 2.5rem;
  margin: 0 0 2rem 0;
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}

.main-heading .mic-icon {
  display: inline-flex;
  animation: pulse 2s infinite;
  transform-origin: center;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  line-height: 1.2;
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border-style: none;
}

/* Lists */
ul, ol {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

/* Loading animation */
.app-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--color-white);
  z-index: 9999;
  transition: opacity var(--transition-slow);
  text-align: center;
  padding: 2rem;
  color: var(--color-text);
}

.app-loading > div:first-child {
  margin-bottom: 1rem;
  font-size: 2rem;
}

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

.app-content {
  opacity: 1;
  transition: opacity var(--transition-slow);
}

/* This class can be used for initial fade-in if needed */
.app-content.initial-load {
  opacity: 0;
}

.app-content.loaded {
  opacity: 1;
}

/* 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;
}