/* Shared TokenRoc Blog styles for the blog index and every article page.
   Colours come from theme.css. */

:root {
  --blog-maxw: 1120px;
  --blog-readw: 720px;
  --blog-radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 84% 4%, rgba(var(--cyan-rgb), calc(.07 * var(--glow))), transparent 26rem),
    radial-gradient(circle at 10% 14%, rgba(var(--violet-rgb), calc(.10 * var(--glow))), transparent 30rem),
    var(--ink);
  color: var(--text);
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -.02em;
}

code,
pre,
.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

.blog-wrap {
  width: min(var(--blog-maxw), calc(100% - 48px));
  margin: 0 auto;
}

.blog-eyebrow {
  margin-bottom: 14px;
  color: var(--cyan);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ---------- blog index hero ---------- */

.blog-hero {
  padding: 68px 0 44px;
  border-bottom: 1px solid var(--line);
}

.blog-hero h1 {
  max-width: 760px;
  margin-bottom: 16px;
  font-size: clamp(38px, 6vw, 58px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.035em;
}

.blog-lede {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

/* ---------- sections ---------- */

.blog-main {
  padding: 56px 0 84px;
}

.blog-section {
  margin-bottom: 64px;
}

.blog-section:last-child {
  margin-bottom: 0;
}

.blog-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.blog-section-head h2 {
  font-size: 24px;
}

.blog-section-note {
  color: var(--muted);
  font-size: 14px;
}

/* ---------- article cards ---------- */

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.article-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--blog-radius);
  background: linear-gradient(155deg, var(--card-start), var(--card-end));
  transition: border-color .15s, transform .15s;
}

.article-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.article-card:focus-within {
  border-color: var(--cyan);
}

.article-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 26px;
}

.article-card h3 {
  font-size: 19px;
  line-height: 1.3;
}

.article-card-summary {
  color: var(--muted);
  font-size: 14.5px;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 8px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  letter-spacing: .04em;
}

.article-card-link {
  color: var(--cyan);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-card h3 a:hover,
.article-card-link:hover {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Featured article: spans the grid and leads the page. */

.article-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  background:
    radial-gradient(520px 200px at 6% 0%, rgba(var(--violet-rgb), calc(.16 * var(--glow))), transparent 68%),
    var(--surface);
}

.article-card--featured:hover {
  transform: none;
}

.article-card--featured .article-card-body {
  gap: 14px;
  padding: 40px 40px 36px;
}

.article-card--featured h3 {
  font-size: clamp(24px, 3vw, 31px);
  line-height: 1.16;
  letter-spacing: -.03em;
}

.article-card--featured .article-card-summary {
  max-width: 62ch;
  font-size: 16px;
}

/* CSS-only decorative panel. Not artwork, and never described as an image. */

.article-decor {
  position: relative;
  min-height: 180px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(var(--violet-rgb), calc(.18 * var(--glow))), rgba(var(--cyan-rgb), calc(.10 * var(--glow)))),
    repeating-linear-gradient(90deg, transparent 0, transparent 23px, var(--decor-line) 24px),
    repeating-linear-gradient(0deg, transparent 0, transparent 23px, var(--decor-line) 24px),
    var(--surface-2);
}

.article-decor::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 96px;
  height: 96px;
  transform: translate(-50%, -50%) rotate(45deg);
  border: 1px solid var(--decor-edge);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(var(--violet-rgb), .42), rgba(var(--cyan-rgb), .30));
}

/* Article image: the article's approved og:image, shown at its 1200x630 ratio.
   Only articles with a deployed image carry one; the rest keep .article-decor. */

.article-thumb {
  display: block;
  aspect-ratio: 40 / 21;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.article-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card--featured .article-thumb {
  align-self: start;
  margin: 26px 0 26px 26px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.article-figure {
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
}

.article-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.category-tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--violet-line);
  border-radius: 999px;
  background: var(--violet-soft);
  color: var(--violet-text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.meta-dot {
  color: var(--line-strong);
}

/* ---------- article page ---------- */

.breadcrumb {
  padding: 26px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  list-style: none;
}

.breadcrumb a:hover {
  color: var(--cyan);
}

.breadcrumb [aria-current="page"] {
  color: var(--text);
}

.article-shell {
  width: min(var(--blog-readw), calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 84px;
}

.article-header {
  padding-bottom: 28px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.article-header h1 {
  margin: 16px 0 18px;
  font-size: clamp(32px, 5.2vw, 44px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.032em;
}

.article-summary {
  color: var(--muted);
  font-size: 18px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.article-body h2 {
  margin: 44px 0 14px;
  font-size: 25px;
  line-height: 1.25;
}

.article-body h3 {
  margin: 30px 0 10px;
  font-size: 18px;
}

.article-body p {
  margin-bottom: 16px;
  color: var(--text-soft);
}

.article-body ul,
.article-body ol {
  margin: 0 0 18px 20px;
  color: var(--text-soft);
}

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--cyan-hover);
}

.article-body strong {
  color: var(--text);
}

.article-body code {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--cyan);
  font-size: 13.5px;
}

/* ---------- code blocks ---------- */

.code-card {
  overflow: hidden;
  margin: 20px 0 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--code-bg);
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  letter-spacing: .04em;
}

.code-card pre {
  overflow-x: auto;
  padding: 20px;
  color: var(--code-text);
  font-size: 13px;
  line-height: 1.7;
  tab-size: 2;
}

.code-card pre code {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}

.code-key {
  color: var(--code-key);
}

.code-str {
  color: var(--code-str);
}

.code-com {
  color: var(--code-com);
}

/* ---------- callouts and tables ---------- */

.callout {
  margin: 22px 0;
  padding: 16px 18px;
  border: 1px solid var(--callout-line);
  border-left: 3px solid var(--amber-mark);
  border-radius: 0 8px 8px 0;
  background: var(--callout-bg);
  color: var(--callout-text);
  font-size: 14.5px;
}

.callout strong {
  color: var(--text);
}

.table-wrap {
  overflow-x: auto;
  margin: 22px 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--tint-bg);
}

.table-wrap table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
}

.table-wrap th,
.table-wrap td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.table-wrap tr:last-child td {
  border-bottom: 0;
}

.table-wrap th {
  background: var(--surface-2);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.table-wrap td {
  color: var(--text-soft);
  font-size: 14px;
}

.table-wrap td code {
  font-size: 13px;
}

/* ---------- closing CTA ---------- */

.blog-cta {
  margin-top: 56px;
  padding: 44px 38px;
  border: 1px solid var(--line);
  border-radius: var(--blog-radius);
  background:
    radial-gradient(560px 200px at 22% 0%, rgba(var(--violet-rgb), calc(.14 * var(--glow))), transparent 70%),
    var(--surface);
  text-align: center;
}

.blog-cta h2 {
  margin-bottom: 10px;
  font-size: 26px;
}

.blog-cta p {
  max-width: 54ch;
  margin: 0 auto 24px;
  color: var(--muted);
  font-size: 16px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.blog-btn {
  display: inline-block;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: background .15s, border-color .15s, transform .12s;
}

.blog-btn--primary {
  background: var(--action);
  color: var(--on-action);
  font-weight: 700;
}

.blog-btn--primary:hover {
  background: var(--action-hover);
  transform: translateY(-1px);
}

.blog-btn--ghost {
  border-color: var(--line);
  color: var(--text);
}

.blog-btn--ghost:hover {
  border-color: var(--muted);
}

/* ---------- responsive ---------- */

@media (max-width: 1040px) {
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .article-card--featured {
    grid-template-columns: 1fr;
  }

  .article-decor {
    min-height: 120px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .article-card--featured .article-card-body {
    padding: 28px 26px 26px;
  }

  .article-card--featured .article-thumb {
    margin: 22px 22px 0;
  }
}

@media (max-width: 700px) {
  .article-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-hero {
    padding: 48px 0 34px;
  }

  .blog-lede {
    font-size: 16.5px;
  }

  .blog-main {
    padding: 40px 0 64px;
  }

  .blog-section {
    margin-bottom: 48px;
  }

  .article-summary {
    font-size: 16.5px;
  }

  .blog-cta {
    padding: 34px 22px;
  }

  .cta-actions .blog-btn {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .blog-wrap {
    width: min(100% - 32px, var(--blog-maxw));
  }

  .article-shell {
    width: min(100% - 32px, var(--blog-readw));
  }

  .article-card-body {
    padding: 22px;
  }

  .code-card pre {
    padding: 16px;
    font-size: 12.5px;
  }
}

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

  * {
    animation: none !important;
    transition: none !important;
  }
}