/* Shared YardOS brand primitives used by the public site and auth screens. */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: 1.6;
  font-variant-numeric: oldstyle-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: normal;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}

p { margin: 0; }
a { color: inherit; }

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

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

.tnum { font-variant-numeric: tabular-nums; }

.label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  padding: var(--space-sm) var(--space-xl);
  min-height: 48px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: var(--color-paper);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out),
              transform var(--dur-micro) var(--ease-out);
}
.btn:hover { background: var(--color-ink); border-color: var(--color-ink); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.btn:disabled:hover, .btn[aria-disabled="true"]:hover { background: var(--color-accent); border-color: var(--color-accent); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  white-space: nowrap;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  color: var(--color-ink-2);
  border-bottom: 1px solid var(--color-rule-2);
  padding-bottom: 2px;
  transition: color var(--dur-micro) var(--ease-out),
              border-color var(--dur-micro) var(--ease-out);
}
.link-arrow:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.link-arrow .arrow { transition: transform var(--dur-short) var(--ease-out); }
.link-arrow:hover .arrow { transform: translateY(2px); }