/* Base Styles - Global & Resets */

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

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

body {
  font-family: var(--font-sans);
  background: var(--neutral-50);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  padding: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* Skip to Main Content Link - Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--space-2) var(--space-3);
  text-decoration: none;
  z-index: 100;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 10px;
  left: 10px;
  outline: 2px solid var(--neutral-900);
  outline-offset: 2px;
}

/* Accessibility - Focus Styles */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Ensure visible focus for keyboard users */
:focus {
  outline: none;
}

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

/* Utility Classes */
.animate {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

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