/* ==========================================================================
   DESIGN 33 - BASE CSS & ACCESSIBILITY RESET
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Accessibility: Skip to main content */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
  outline: 2px solid var(--accent-terracotta);
  outline-offset: 2px;
}

/* Focus Visible standards */
:focus-visible {
  outline: 2px solid var(--accent-terracotta);
  outline-offset: 2px;
}

/* Base image rules */
img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Base link behavior */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Buttons */
button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* Form inputs */
input, textarea, select {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--border-strong);
  outline: none;
}

/* Container Utility */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}