/* ============================================================
   base.css — Modern reset, base typography, base elements.
   Depends on tokens.css.
   ============================================================ */

/* === Modern reset === */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  min-height: 100dvh;
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  height: auto;
}

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

button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.2em;
  transition: color var(--duration-fast) var(--ease-soft);
}

a:hover {
  color: var(--color-accent);
}

/* === Headings === */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-display);
  color: var(--color-ink);
  text-wrap: balance;
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
  letter-spacing: -0.01em;
}

p {
  text-wrap: pretty;
}

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

/* === Focus === */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* === Selection === */
::selection {
  background-color: var(--color-accent);
  color: var(--color-bg-elevated);
}

/* === Skip link === */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  padding: 0.75rem 1.25rem;
  background-color: var(--color-accent);
  color: var(--color-bg-elevated);
  text-decoration: none;
  font-weight: 500;
  transform: translateY(-110%);
  transition: transform var(--duration-fast) var(--ease-soft);
  z-index: var(--z-skiplink);
}

.skip-link:focus {
  transform: translateY(0);
}

/* === Utilities === */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.eyebrow {
  display: inline-block;
  font-size: var(--font-size-meta);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-meta);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.italic-display {
  font-style: italic;
}