/* Base Styles */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  /* Natural mountain gradient - alpine meadow to forest */
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 50%, #6ee7b7 100%);
  background-attachment: fixed;
}

/* Typography */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
}

h1 {
  font-size: var(--font-size-4xl);
  line-height: var(--line-height-tight);
}

h2 {
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-tight);
}

h3 {
  font-size: var(--font-size-xl);
}

strong {
  font-weight: var(--font-weight-medium);
}

code, kbd {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

kbd {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* Links */

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Layout */

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

/* Focus Styles */

*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* 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-width: 0;
}

/* Loading Spinner */

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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