/* ==========================================================================
   Base — reset, document defaults and element-level typography.
   No component or page-specific rules belong in this file.
   ========================================================================== */

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  background-image: var(--gradient-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--text-primary);
  text-wrap: balance;
}

h1 { font-size: var(--size-display); letter-spacing: -0.02em; }
h2 { font-size: var(--size-h2); }
h3 { font-size: var(--size-h3); }
h4 { font-size: var(--size-h4); font-weight: 600; }

p {
  margin: 0;
  text-wrap: pretty;
}

ul,
dl,
dd {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

figure {
  margin: 0;
}

address {
  font-style: normal;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent-deep);
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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

:focus {
  outline: none;
}

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

::selection {
  background: color-mix(in srgb, var(--color-accent) 28%, transparent);
}

/* Numeric data (sizes, phone numbers) reads better with tabular figures. */
.tabular-nums {
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

/* Keyboard escape hatch past the sticky header. */
.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-cream);
  font-size: var(--size-meta);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
}

.skip-link:focus-visible {
  transform: translateY(0);
  color: var(--color-cream);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@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;
  }
}