@font-face {
  font-family: 'Anthropic Sans';
  src: url('https://cdn.prod.website-files.com/67ce28cfec624e2b733f8a52/69971a00a3295036497e1a28_AnthropicSans-Roman-Web.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Anthropic Sans';
  src: url('https://cdn.prod.website-files.com/67ce28cfec624e2b733f8a52/69971a016067bf14b9b8f48d_AnthropicSans-Italic-Web.woff2') format('woff2');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Anthropic Mono';
  src: url('https://cdn.prod.website-files.com/67ce28cfec624e2b733f8a52/69971a2e55d24d61bc045b1a_AnthropicMono-Roman-Web.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Scramble Storm';
  src: url('/fonts/ScrambleStorm.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Anthropic Serif';
  src: url('https://cdn.prod.website-files.com/67ce28cfec624e2b733f8a52/69971a1551eb6cda0d656e8a_AnthropicSerif-Roman-Web.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #FEFDFB;
  --surface: #F5F3EE;
  --ink: #1A1A1A;
  --ink-2: #555555;
  --ink-3: #999999;
  --accent: #1A1A1A;
  --accent-dim: #333333;
  --accent-bg: #F0EFEB;
  --red: #DC2626;
  --red-bg: #FEF2F2;
  --orange: #EA580C;
  --amber: #D97706;
  --amber-bg: #FFFBEB;
  --border: #E8E5DE;
  --border-s: #D4D0C8;
  --display: 'Anthropic Sans', system-ui, -apple-system, sans-serif;
  --body: 'Anthropic Sans', system-ui, -apple-system, sans-serif;
  --serif: 'Anthropic Serif', Georgia, serif;
  --mono: 'Anthropic Mono', 'SF Mono', ui-monospace, monospace;
}

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

html {
  font-family: var(--body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  min-height: 100vh;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover {
  text-decoration-thickness: 2px;
}

/* ---- Nav ---- */

.nav {
  width: 100%;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  width: 100%;
  padding: 0 clamp(16px, 4vw, 48px);
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  text-transform: lowercase;
}
.nav-brand em {
  font-style: normal;
  color: var(--ink-3);
}
.nav-logo {
  height: 52px;
  width: auto;
  display: block;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  gap: 24px;
}
.nav-links a {
  font-family: var(--body);
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s;
}
.nav-links a:hover {
  color: var(--ink);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  border-radius: 6px;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--ink-2);
  border-color: var(--ink-2);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
}
.btn-outline:hover {
  background: var(--surface);
}

/* ---- Layout ---- */

.container {
  width: 100%;
  padding: 0 clamp(16px, 4vw, 48px);
}

.content-col {
  max-width: 720px;
}

/* ---- Hero ---- */

.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
}
.hero-title {
  font-family: 'Scramble Storm', var(--display);
  font-size: clamp(72px, 12vw, 126px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.05;
  margin-bottom: 20px;
}
.hero-title em {
  font-style: italic;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 0.52em;
  display: block;
}
.hero-sub {
  font-family: var(--body);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---- Section ---- */

.section {
  padding: 56px 0;
}
.section-border {
  border-top: none;
}
.section-label {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

/* ---- Article cards ---- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.card {
  background: var(--bg);
  padding: 24px 28px;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  background: var(--surface);
  text-decoration: none;
}

.card-meta {
  font-family: var(--body);
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.card-title {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 10px;
}
.card-desc {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  flex: 1;
}
.card-tags {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  letter-spacing: 0.01em;
  color: var(--ink-2);
  background: var(--surface);
}

/* ---- Newsletter ---- */

.nl-block {
  background: var(--ink);
  color: var(--bg);
  padding: 48px clamp(24px, 4vw, 48px);
}
.nl-title {
  font-family: var(--display);
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.nl-desc {
  font-size: 15px;
  color: var(--ink-3);
  margin-bottom: 24px;
  line-height: 1.6;
  max-width: 520px;
}
.nl-form {
  display: flex;
  gap: 0;
  max-width: 480px;
}
.nl-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  border-right: none;
  font-size: 14px;
  background: transparent;
  color: var(--bg);
  outline: none;
  font-family: var(--body);
  border-radius: 6px 0 0 6px;
}
.nl-input::placeholder {
  color: rgba(255,255,255,0.35);
}
.nl-input:focus {
  border-color: rgba(255,255,255,0.5);
}
.nl-form .btn-primary {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--bg);
  border-radius: 0 6px 6px 0;
}
.nl-form .btn-primary:hover {
  background: var(--surface);
  border-color: var(--surface);
}
/* ---- Footer ---- */

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.01em;
  padding: 0 clamp(16px, 4vw, 48px);
}

/* ---- Article page ---- */

.article-layout {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
}

.article-main {
  padding: 48px clamp(16px, 4vw, 48px) 60px;
  max-width: 700px;
  min-width: 0;
}

.toc-col {
  padding: 48px 24px 40px 32px;
  position: relative;
}
.toc-wrap {
  position: sticky;
  top: 104px;
}
.toc-label {
  font-family: var(--body);
  font-size: 11px;
  color: var(--ink-3);
  margin-bottom: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toc-list li {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}
.toc-list li a {
  color: var(--ink-2);
  text-decoration: none;
}
.toc-list li a:hover {
  color: var(--ink);
}
.toc-list li.active a {
  color: var(--ink);
  font-weight: 600;
}
.toc-list li.indent {
  padding-left: 12px;
  font-size: 12px;
}

.article-meta {
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.article-title {
  font-family: var(--display);
  font-size: clamp(26px, 4.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.article-subtitle {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.65;
  margin-bottom: 24px;
}

.author-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--bg);
  flex-shrink: 0;
}
.author-name { font-size: 14px; font-weight: 500; }
.author-date { font-size: 12px; color: var(--ink-3); letter-spacing: 0.02em; }

.article-tags {
  display: flex;
  gap: 6px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

/* ---- Prose ---- */

.prose h2 {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 44px 0 14px;
}
.prose h3 {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 10px;
}
.prose p {
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.75;
  margin-bottom: 16px;
}
.prose strong {
  color: var(--ink);
  font-weight: 600;
}
.prose code {
  font-family: var(--mono);
  font-size: 13.5px;
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ink);
}

/* ---- Code block ---- */

.code-block {
  background: #111;
  padding: 20px 24px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  color: #D4D4D4;
  overflow-x: auto;
  margin-bottom: 20px;
  border-radius: 10px;
}
.code-block .kw { color: #7DD3FC; }
.code-block .str { color: #86EFAC; }
.code-block .cmt { color: #525252; }
.code-block .num { color: #FCA5A5; }

/* ---- Callout ---- */

.callout {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 20px;
  align-items: flex-start;
  border-left: 3px solid;
  border-radius: 0 8px 8px 0;
}
.callout-icon {
  flex-shrink: 0;
  font-size: 18px;
  line-height: 1;
  margin-top: 1px;
}
.callout-warn {
  background: var(--amber-bg);
  border-color: var(--amber);
}
.callout-warn .callout-icon { color: var(--amber); }
.callout-crit {
  background: var(--red-bg);
  border-color: var(--red);
}
.callout-crit .callout-icon { color: var(--red); }

/* ---- Figure ---- */

.figure {
  margin: 24px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.figure-body {
  padding: 24px;
  display: flex;
  justify-content: center;
  overflow-x: auto;
}
.figure-cap {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

.flow-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.flow-node {
  padding: 8px 16px;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 8px;
  text-align: center;
  white-space: nowrap;
}
.flow-node.active { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.flow-node.danger { border-color: var(--red); color: var(--red); }
.flow-arrow { color: var(--ink-3); font-size: 18px; padding: 0 8px; }

/* ---- IOC table ---- */

.ioc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-bottom: 20px;
}
.ioc-table th {
  text-align: left;
  font-weight: 500;
  padding: 10px 12px;
  border-bottom: 1px solid var(--ink);
  font-size: 12px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.ioc-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--ink-2);
}
.ioc-table td:first-child {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  word-break: break-all;
}
.ioc-table tr:last-child td { border-bottom: none; }

/* ---- Severity pills ---- */

.sev { font-family: var(--mono); font-size: 11px; font-weight: 400; padding: 3px 10px; display: inline-block; border-radius: 100px; }
.sev-critical { background: var(--red); color: #fff; }
.sev-high { background: var(--orange); color: #fff; }
.sev-medium { background: var(--amber); color: #111; }
.sev-low { background: var(--surface); color: var(--ink-2); border: 1px solid var(--border); }

/* ---- Newsletter status ---- */

.nl-status {
  margin-top: 12px;
  font-size: 14px;
  display: none;
}
.nl-status.success { color: #16A34A; display: block; }
.nl-status.error { color: var(--red); display: block; }

/* ---- Subscribe modal ---- */

body.subscribe-modal-open { overflow: hidden; }

.subscribe-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,26,26,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.subscribe-overlay-show {
  opacity: 1;
  pointer-events: auto;
}
.subscribe-modal {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--bg);
  border-radius: 14px;
  padding: 36px 32px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.24), 0 4px 16px rgba(0,0,0,0.12);
  transform: translateY(8px) scale(0.98);
  transition: transform 0.18s ease;
}
.subscribe-overlay-show .subscribe-modal {
  transform: translateY(0) scale(1);
}
.subscribe-modal .nl-title {
  color: var(--ink);
  font-size: 22px;
}
.subscribe-modal .nl-desc {
  color: var(--ink-2);
  max-width: none;
}
.subscribe-modal .nl-input {
  color: var(--ink);
  border: 1px solid var(--border-s);
}
.subscribe-modal .nl-input::placeholder { color: var(--ink-3); }
.subscribe-modal .nl-input:focus { border-color: var(--ink); }
.subscribe-modal .nl-form .btn-primary {
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
}
.subscribe-modal .nl-form .btn-primary:hover {
  background: var(--ink-2);
  border-color: var(--ink-2);
}
.subscribe-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--ink-3);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.subscribe-close:hover {
  background: var(--surface);
  color: var(--ink);
}
@media (max-width: 480px) {
  .subscribe-modal { padding: 28px 20px; }
}

/* ---- Prose lists ---- */

.prose ul, .prose ol {
  margin: 0 0 16px 20px;
  color: var(--ink-2);
  line-height: 1.75;
  font-size: 15.5px;
}
.prose li {
  margin-bottom: 4px;
}

/* ---- Prose links ---- */

.prose a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.prose a:hover {
  text-decoration-thickness: 2px;
}

/* ---- Article newsletter CTA ---- */

.article-nl {
  margin-top: 48px;
  padding-top: 0;
  border-top: none;
}

/* ---- Mobile nav toggle ---- */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* ---- Responsive ---- */

/* ---- Data viz primitives (real D3-rendered) ---- */

.viz-heattext, .viz-heatgrid, .viz-scatter, .viz-dist, .viz-sequence, .viz-annot-code {
  margin: 20px 0;
}

.viz-heattext-tokens {
  font-family: var(--body);
  font-size: 16px;
  line-height: 2.1;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.viz-token {
  padding: 2px 1px;
  border-radius: 3px;
  cursor: default;
  transition: outline 0.1s;
}
.viz-heattext-legend {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--ink-3);
}
.viz-legend-label {
  letter-spacing: 0.02em;
}
.viz-legend-gradient {
  border-radius: 3px;
  overflow: hidden;
}
.viz-legend-value {
  font-family: var(--mono);
  color: var(--ink);
}

.viz-caption {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 8px;
  letter-spacing: 0.01em;
}
.viz-caption-top {
  margin-top: 0;
  margin-bottom: 10px;
  font-weight: 500;
  color: var(--ink-2);
}

.viz-axis-label {
  font-family: var(--mono);
  font-size: 10.5px;
  fill: var(--ink-3);
}
.viz-axis-title {
  font-family: var(--body);
  font-size: 11px;
  fill: var(--ink-2);
}
.viz-axis-line {
  stroke: var(--border-s);
  stroke-width: 1;
}
.viz-gridline {
  stroke: var(--border);
  stroke-width: 1;
}
.viz-cell-value {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}

.viz-legend-row {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink-2);
}
.viz-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.viz-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.viz-terminal {
  background: #0D0D0D;
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13px;
}
.viz-terminal-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: #1A1A1A;
}
.viz-terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.viz-terminal-body {
  padding: 18px 20px;
  min-height: 160px;
  color: #D4D4D4;
}
.viz-terminal-step {
  margin-bottom: 18px;
}
.viz-terminal-step:last-child {
  margin-bottom: 0;
}
.viz-terminal-line {
  display: flex;
  gap: 8px;
  word-break: break-all;
}
.viz-terminal-prompt {
  color: #66BB6A;
  flex-shrink: 0;
}
.viz-terminal-cmd {
  color: #D4D4D4;
}
.viz-cursor-blink {
  display: inline-block;
  width: 7px;
  background: #D4D4D4;
  animation: viz-blink 1s step-end infinite;
}
@keyframes viz-blink {
  50% { opacity: 0; }
}
.viz-terminal-output {
  color: #999999;
  margin-top: 8px;
  padding-left: 4px;
  line-height: 1.55;
}
.viz-terminal-note {
  color: #E0975A;
  margin-top: 8px;
  padding-left: 4px;
  font-family: var(--body);
  font-size: 12.5px;
  font-style: italic;
  line-height: 1.5;
}

.viz-code-block {
  background: #0D1117;
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13px;
}
.viz-code-row {
  display: flex;
  padding: 3px 16px 3px 13px;
  align-items: baseline;
}
.viz-code-line-num {
  color: #4D4D4D;
  width: 24px;
  flex-shrink: 0;
  user-select: none;
  font-size: 11px;
}
.viz-code-content {
  flex: 1;
  overflow-x: auto;
}
.viz-code-content pre {
  background: transparent !important;
  margin: 0;
  padding: 0;
}
.viz-code-plain {
  color: #D4D4D4;
  white-space: pre;
}
.viz-code-note {
  margin-top: 10px;
  padding: 10px 14px;
  background: var(--surface);
  border-radius: 8px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.55;
}

.viz-term {
  position: relative;
}
.viz-term-trigger {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
  cursor: pointer;
}
.viz-term-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 50;
  width: min(340px, 90vw);
  max-height: 360px;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--border-s);
  border-radius: 10px;
  padding: 16px 18px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.16);
}
.viz-term-panel-title {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}
.viz-term-section {
  margin-bottom: 12px;
}
.viz-term-section:last-child { margin-bottom: 0; }
.viz-term-heading {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.viz-term-body {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.55;
}
.viz-term-list {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
  padding-left: 18px;
}
.viz-term-tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.viz-term-token {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--ink-2);
}

@media (max-width: 768px) {
  .hero { padding: 48px 0 40px; }
  .hero-title { font-size: clamp(42px, 11vw, 72px); }

  .card-grid { grid-template-columns: 1fr; }

  .article-layout { grid-template-columns: 1fr; }
  .toc-col { display: none; }
  .article-main { padding: 24px 16px 40px; }

  .nl-block { padding: 32px 20px; }
  .nl-form { flex-direction: column; }
  .nl-input { border-right: 1px solid rgba(255,255,255,0.2); border-bottom: none; border-radius: 6px 6px 0 0; }
  .nl-form .btn-primary { border-radius: 0 0 6px 6px; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 88px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px clamp(16px, 4vw, 48px);
    gap: 16px;
  }
  .nav-toggle { display: block; }

  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}