/* ==========================================================================
   BASE
   Reset, typography, and layout primitives shared by every page type.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@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;
  }
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); margin-top: var(--space-8); }
h3 { font-size: var(--text-md); margin-top: var(--space-6); }
p  { margin: 0 0 var(--space-4); }

@media (min-width: 640px) {
  h1 { font-size: var(--text-3xl); }
}

a {
  color: var(--color-steel);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}
a:hover { color: var(--color-ink); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2.5px solid var(--color-amber);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.prose {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.prose h2:first-child { margin-top: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--color-amber);
  border-radius: 1px;
  transform: rotate(45deg);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--color-green-soft);
  color: var(--color-green);
  font-weight: 600;
}

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

.skip-link {
  position: absolute; left: 0; top: 0;
  transform: translateY(-100%);
  background: var(--color-ink); color: var(--color-paper);
  padding: var(--space-3) var(--space-5);
  z-index: 100; transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }