/* ==========================================================================
   Base — Reset & Global Element Defaults
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background-color: var(--color-background);
  overflow-x: hidden;
}

/* ---------- Selection ---------- */

::selection {
  background: var(--color-accent);
  color: var(--color-heading);
}

/* ---------- Links ---------- */

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

a:hover,
a:focus-visible {
  color: var(--color-secondary);
}

/* ---------- Media ---------- */

img, picture, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- Lists ---------- */

ul, ol {
  margin: 0 0 var(--space-sm);
  padding-left: 1.25em;
}

li { margin-bottom: var(--space-2xs); }

ul.unstyled,
ol.unstyled {
  list-style: none;
  padding-left: 0;
}

/* ---------- Tables ---------- */

table {
  width: 100%;
  border-collapse: collapse;
}

/* ---------- Forms ---------- */

input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input, textarea, select {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(var(--color-secondary-rgb), .15);
}

textarea { resize: vertical; }

label {
  display: inline-block;
  margin-bottom: var(--space-2xs);
  font-weight: var(--fw-medium);
  color: var(--color-heading);
}

fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Accessibility / Focus ---------- */

:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: var(--space-sm);
  z-index: var(--z-toast);
  background: var(--color-heading);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* ---------- Scrollbar ---------- */

html {
  scrollbar-width: thin;
  scrollbar-color: var(--color-secondary) var(--color-background);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-background);
}

::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-background);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* ---------- Misc resets ---------- */

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-lg) 0;
}

figure { margin: 0; }