/* Axe Blog. Values mirror apps/web/src/styles/tokens.css (Concept C): near-black
 * ink ramp, paper text, sage for links and live state, one action blue, sodium
 * caution, Geist for prose and Geist Mono for machine text. No glows.
 * When the HIG pass revises tokens.css, re-copy the values here. */

:root {
  --ink-0: #06070b;
  --ink-1: #101114;
  --ink-2: #16161b;
  --ink-3: #1e1f26;
  --paper-0: #fcfcfc;
  --paper-1: #c8c9d1;
  --paper-2: #9ea3b2;
  --sage: #58b8ff;
  --sage-soft: #8ccfff;
  --sodium: #f0a33c;
  --rule: #22242d;
  --rule-strong: #323542;
  --edge-control: #6b7080;
  --action-primary: #4763f2;
  --action-primary-hover: #526fff;
  --action-primary-ink: #ffffff;
  --font-sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --measure: 40rem;
  --gutter: 16px;
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background: var(--ink-0);
  color: var(--paper-1);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--sage);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--sage-soft);
}

:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: var(--gutter);
  top: var(--gutter);
  padding: 8px 12px;
  background: var(--ink-3);
  color: var(--paper-0);
  z-index: 10;
}

/* Header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 64rem;
  margin: 0 auto;
  padding: 20px var(--gutter);
  border-bottom: 1px solid var(--rule);
}

.home {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--paper-0);
  text-decoration: none;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.wordmark-text {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--paper-0);
}

.wordmark-x {
  color: var(--sage);
}

.home-label {
  padding-left: 10px;
  border-left: 1px solid var(--rule-strong);
  color: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.9375rem;
}

.site-header nav a {
  color: var(--paper-1);
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--paper-0);
}

.site-header nav a.nav-cta {
  padding: 6px 12px;
  border: 1px solid var(--edge-control);
  border-radius: 8px;
  color: var(--paper-0);
}

main {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Index */

.index-head,
.post-head {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 72px 0 32px;
}

.kicker {
  margin: 0 0 12px;
  color: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--paper-0);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.lede {
  margin: 16px 0 0;
  color: var(--paper-2);
  font-size: 1.1875rem;
  line-height: 1.5;
}

.post-list {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 0 96px;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.post-item a {
  display: block;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  color: inherit;
  text-decoration: none;
}

.post-item time {
  color: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.post-item h2 {
  margin: 6px 0 6px;
  color: var(--paper-0);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.post-item p {
  margin: 0;
  color: var(--paper-2);
}

.post-item a:hover h2 {
  color: var(--sage);
}

/* Post */

.cover {
  max-width: 52rem;
  margin: 0 auto 40px;
}

.cover img,
.prose img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule-strong);
  border-radius: 10px;
}

.prose {
  max-width: var(--measure);
  margin: 0 auto;
  padding-top: 8px;
}

.prose > :first-child {
  margin-top: 0;
}

.prose h2 {
  margin: 56px 0 12px;
  color: var(--paper-0);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.prose h3 {
  margin: 36px 0 8px;
  color: var(--paper-0);
  font-size: 1.1875rem;
  font-weight: 600;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 18px;
}

.prose li {
  margin: 6px 0;
}

.prose strong {
  color: var(--paper-0);
  font-weight: 600;
}

.prose code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--ink-2);
  color: var(--paper-0);
  font-family: var(--font-mono);
  font-size: 0.875em;
}

.prose blockquote {
  margin: 24px 0;
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--sodium);
  color: var(--paper-1);
}

.prose hr {
  margin: 48px 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

.prose p > img {
  margin: 28px 0 8px;
}

.post-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  max-width: var(--measure);
  margin: 56px auto 96px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}

.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--action-primary);
  color: var(--action-primary-ink);
  font-weight: 500;
  text-decoration: none;
}

.button:hover {
  background: var(--action-primary-hover);
  color: var(--action-primary-ink);
}

.share {
  color: var(--paper-1);
  font-size: 0.9375rem;
}

/* Footer */

.site-footer {
  max-width: 64rem;
  margin: 0 auto;
  padding: 32px var(--gutter) 48px;
  border-top: 1px solid var(--rule);
  color: var(--paper-2);
  font-size: 0.875rem;
}

.site-footer p {
  margin: 0 0 8px;
}

.site-footer a {
  color: var(--paper-1);
}

@media (max-width: 560px) {
  .site-header nav a:not(.nav-cta) {
    display: none;
  }

  .index-head,
  .post-head {
    padding-top: 48px;
  }
}

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