/* ax landing page - typography is the brand */

:root {
  --ink: #0a0a0a;
  --page: #f6f5f0;
  --panel: #fbfaf5;
  --line: #d8d6cf;
  --muted: #6b6b66;
  --green: #2f9e44;
  --blue: #2567a8;
  --red: #c0392b;
  --serif: Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

main, header, footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- masthead ---------- */

.site-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 16px;
  padding-top: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.wordmark {
  font-family: var(--serif);
  font-size: 36px;
  line-height: 1;
  letter-spacing: -1px;
}

.brand-tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.live {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  justify-self: center;
}

.live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--green) 30%, transparent);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

nav.top-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

nav.top-nav a {
  text-decoration: none;
  padding: 4px 10px;
  font-size: 13px;
  color: var(--muted);
  border: 1px solid transparent;
}

nav.top-nav a:hover {
  color: var(--ink);
  border-color: var(--line);
}

nav.top-nav a.primary {
  background: var(--ink);
  color: var(--page);
  border-color: var(--ink);
}

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

section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

section.hero {
  padding: 96px 0 88px;
}

section:last-of-type {
  border-bottom: none;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 16px;
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin: 0 0 24px;
}

h1 em {
  font-style: italic;
  color: var(--muted);
}

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin: 0 0 24px;
}

p {
  margin: 0 0 16px;
  font-size: 18px;
  max-width: 64ch;
}

p.lede {
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink);
}

.muted {
  color: var(--muted);
}

.claims {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin: 28px 0 32px;
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.claims span {
  padding: 6px 18px 6px 0;
  display: inline-flex;
  align-items: center;
}

.claims span + span {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.claims span::before {
  content: "›";
  color: var(--green);
  margin-right: 8px;
  font-weight: 700;
}

.install-block {
  margin: 0 0 28px;
}

.install-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 8px;
}

pre.install {
  background: var(--ink);
  color: var(--page);
  border: 1px solid var(--ink);
  padding: 18px 22px;
  font-size: 14px;
  margin: 0 0 10px;
  font-weight: 500;
}

pre.install code {
  color: var(--page);
}

pre.install .prompt {
  color: var(--green);
}

.install-meta {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

.install-meta a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--line);
}

.install-meta a:hover {
  color: var(--ink);
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn, .btn-secondary {
  display: inline-block;
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 14px;
  text-decoration: none;
  border: 1px solid var(--ink);
}

.btn {
  background: var(--ink);
  color: var(--page);
}

.btn:hover { background: #222; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
}

.btn-secondary:hover {
  background: var(--ink);
  color: var(--page);
}

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

pre {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 16px;
}

pre .label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

pre code {
  font-family: inherit;
  color: var(--ink);
}

pre .prompt { color: var(--green); user-select: none; }
pre .comment { color: var(--muted); }

p code, li code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--panel);
  padding: 1px 6px;
  border: 1px solid var(--line);
}

/* ---------- pipeline viz ---------- */

.pipeline-viz {
  margin: 28px 0 0;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 20px 24px 24px;
}

.pipeline-canvas {
  width: 100%;
  height: 140px;
  display: block;
}

.pipeline-labels {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.pipeline-sources, .pipeline-readers {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 4px;
}

.pipeline-readers {
  text-align: right;
}

.pipeline-sources li, .pipeline-readers li {
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0;
}

.pipeline-middle {
  text-align: center;
  display: grid;
  gap: 2px;
}

.pipeline-middle small {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.pipeline-middle strong {
  font-family: var(--serif);
  font-style: normal;
  font-weight: 400;
  font-size: 16px;
  color: var(--ink);
  letter-spacing: -0.3px;
}

@media (max-width: 720px) {
  .pipeline-labels {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .pipeline-readers { text-align: left; }
  .pipeline-canvas { height: 180px; }
}

/* ---------- diagram (mermaid fallback) ---------- */

.diagram {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 24px;
  margin: 16px 0 0;
  overflow-x: auto;
}

.diagram .mermaid {
  text-align: center;
}

.mermaid-fallback {
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted);
}

.mermaid-fallback summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 0;
  list-style: none;
}

.mermaid-fallback summary::-webkit-details-marker { display: none; }

.mermaid-fallback summary::before {
  content: "▸ ";
  color: var(--muted);
  display: inline-block;
  transition: transform 0.15s;
}

.mermaid-fallback[open] summary::before {
  content: "▾ ";
}

/* ---------- demo grid ---------- */

.demo-grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.demo-grid > div h3 {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--ink);
}

.demo-grid > div p {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 12px;
}

/* ---------- principles ---------- */

.principles {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.principles li {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.principles strong {
  display: block;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 6px;
}

.principles p {
  font-size: 15px;
  margin: 0;
  color: var(--muted);
}

/* ---------- manifesto pull ---------- */

blockquote.pull {
  margin: 24px 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--ink);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.4;
  font-style: italic;
  max-width: 56ch;
}

blockquote.pull cite {
  display: block;
  margin-top: 12px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- footer ---------- */

footer {
  padding: 32px 32px 48px;
  margin-top: 16px;
}

footer .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 2px solid var(--ink);
  padding-top: 20px;
}

footer .row a {
  color: var(--muted);
  text-decoration: none;
}

footer .row a:hover { color: var(--ink); }

footer .right {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

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

@media (max-width: 720px) {
  .site-head {
    grid-template-columns: 1fr auto;
    gap: 8px;
  }
  .site-head nav.top-nav {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
    padding-top: 10px;
  }
  section { padding: 56px 0; }
  section.hero { padding: 64px 0 56px; }
  h1 { font-size: 42px; }
  h2 { font-size: 26px; }
  p, p.lede { font-size: 17px; }
  .wordmark { font-size: 28px; }
  main, header, footer { padding: 0 20px; }
  footer { padding: 24px 20px 40px; }
}