/*
 * Shared components for the secondary pages (articles, /about/, 404).
 * Uses only the variables from tokens.css; base rules mirror the landing.
 */

* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 520px at 85% -8%, var(--teal-soft), transparent 70%) no-repeat,
    var(--bg);
  font: 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: 20px;
}
h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 650;
  text-wrap: balance;
  margin: 0;
}
h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
h2 {
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.2;
}
h3 {
  font-size: 20px;
  line-height: 1.3;
}
p {
  margin: 0;
}
a {
  color: var(--teal);
}
:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
  border-radius: 4px;
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--teal);
  color: var(--teal-ink);
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font: 600 17px var(--body);
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn.ghost {
  background: transparent;
  color: var(--teal);
  box-shadow: inset 0 0 0 2px var(--teal);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Header and footer */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 18px;
}
.brand {
  font-family: var(--display);
  font-weight: 650;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
}
.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: 15px;
}
.site-header nav a {
  text-decoration: none;
}
.site-header nav a:hover {
  text-decoration: underline;
}
.site-footer {
  margin-top: 72px;
  padding-block: 40px 56px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

/* Breadcrumbs */
.crumbs ol {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  font-size: 14px;
  color: var(--muted);
}
.crumbs li + li::before {
  content: '›';
  margin-inline: 8px;
  color: var(--muted);
}
.crumbs a {
  color: var(--muted);
}
.crumbs [aria-current] {
  color: var(--ink);
}

/* Page head */
.page-head {
  display: grid;
  gap: 14px;
  padding-block: 24px 28px;
  max-width: 760px;
}
.page-head .lead {
  font-size: 19px;
  color: var(--muted);
}

/* Long-form text */
.narrow {
  max-width: 720px;
}
.prose {
  max-width: 720px;
}
.prose > * + * {
  margin-top: 1em;
}
.prose h2 {
  margin-top: 1.8em;
}
.prose h3 {
  margin-top: 1.5em;
}
.prose ul,
.prose ol {
  padding-left: 1.3em;
}
.prose li + li {
  margin-top: 0.35em;
}
.prose blockquote {
  margin-inline: 0;
  padding: 4px 0 4px 16px;
  border-left: 3px solid var(--teal);
  font-family: var(--display);
  font-weight: 500;
}
.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
}
.prose code {
  font-size: 0.9em;
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 5px;
}
.prose pre {
  overflow-x: auto;
  background: var(--surface-2);
  padding: 14px;
  border-radius: 12px;
}
.prose pre code {
  background: none;
  padding: 0;
}
.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: 2em;
}
.prose table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 15.5px;
}
.prose th,
.prose td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.prose th {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Notes, author, call to action */
.disclaimer {
  max-width: 720px;
  margin-bottom: 28px;
  padding: 12px 16px;
  border-left: 3px solid var(--amber);
  background: var(--amber-soft);
  border-radius: 0 12px 12px 0;
  font-size: 15px;
}
.author {
  max-width: 720px;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.author img {
  border-radius: 12px;
  display: block;
}
.author-name {
  font-weight: 600;
}
.cta {
  max-width: 720px;
  margin-top: 32px;
  padding: 24px;
  border-radius: 20px;
  background: var(--teal-soft);
  display: grid;
  gap: 12px;
}
.cta h2 {
  font-size: 24px;
}

/* Lists of articles */
.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 24px;
  display: grid;
  gap: 8px;
}
.card h2 {
  font-size: 22px;
}
.card h2 a {
  color: var(--ink);
  text-decoration: none;
}
.card h2 a:hover {
  color: var(--teal);
  text-decoration: underline;
}
.related {
  max-width: 720px;
  margin-top: 48px;
  display: grid;
  gap: 12px;
}
.related h2 {
  font-size: 22px;
}
.related ul {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 6px;
}

/* About page */
.section {
  max-width: 720px;
  display: grid;
  gap: 12px;
  padding-block: 28px;
  border-top: 1px solid var(--line);
}
.section ul {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 8px;
}
.todo {
  border: 2px dashed var(--amber);
  border-radius: 14px;
  padding: 14px 16px;
}

/* 404 */
.not-found {
  display: grid;
  gap: 16px;
  padding-block: 56px 24px;
  max-width: 640px;
}

@media (min-width: 860px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
}

/* Self-service data deletion on /privacy/ */
.forget {
  margin-block: 40px 56px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  display: grid;
  gap: 12px;
  max-width: 62ch;
}
.forget h2 {
  font-size: 22px;
}
.forget form {
  display: grid;
  gap: 12px;
}
.forget label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  font-size: 15px;
}
.forget input {
  font: 400 16px var(--body);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
}