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

:root {
  --fg: #1a1a1a;
  --fg-muted: #666;
  --bg: #fafaf7;
  --bg-code: #f0efea;
  --border: #d8d7d2;
  --accent: #c1272d;
  --accent-soft: #e74c3c;
  --link: #1a1a1a;
}

html, body {
  margin: 0;
  padding: 0;
  color: var(--fg);
  background: var(--bg);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 18px;
  line-height: 1.7;
}

body {
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3, h4 {
  font-family: "JetBrains Mono", "Fira Mono", "SF Mono", Menlo, Consolas, monospace;
  color: #000;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.25rem;
  margin: 0.2em 0 0.3em;
}

h2 {
  font-size: 1.4rem;
  margin: 2.5em 0 0.6em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--border);
}

h2 .stack-effect {
  color: var(--accent);
  font-weight: 400;
  margin-left: 0.4em;
  font-size: 0.9em;
}

h3 {
  font-size: 1.1rem;
  margin: 1.8em 0 0.4em;
}

p, ul, ol {
  margin: 0 0 1em;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

code, pre, .mono {
  font-family: "JetBrains Mono", "Fira Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--bg-code);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

pre {
  background: var(--bg-code);
  border-left: 3px solid var(--accent);
  padding: 1rem 1.2rem;
  margin: 1em 0;
  overflow-x: auto;
  line-height: 1.5;
  font-size: 0.88rem;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

.tagline {
  font-family: "JetBrains Mono", "Fira Mono", "SF Mono", Menlo, Consolas, monospace;
  color: var(--accent);
  font-size: 1rem;
  margin: 0 0 1.5em;
}

.lede {
  font-size: 1.15rem;
  line-height: 1.65;
  margin: 1.2em 0 1.5em;
  color: #2a2a2a;
}

header.site {
  padding: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

header.site .logo-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

header.site svg {
  width: 52px;
  height: 39px;
  fill: #000;
  flex-shrink: 0;
}

header.site .wordmark {
  font-family: "JetBrains Mono", "Fira Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5em 0 0;
}

.cta {
  display: inline-block;
  padding: 0.55em 1.1em;
  border: 2px solid #000;
  background: #000;
  color: #fafaf7 !important;
  text-decoration: none;
  font-family: "JetBrains Mono", "Fira Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 0.15s, color 0.15s;
}

.cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff !important;
}

.cta.secondary {
  background: transparent;
  color: #000 !important;
}

.cta.secondary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff !important;
}

.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
  margin: 1.5em 0;
}

@media (min-width: 720px) {
  .pillars {
    grid-template-columns: 1fr 1fr;
  }
}

.pillar {
  border: 1px solid var(--border);
  padding: 1.1rem 1.2rem;
  background: #fff;
}

.pillar h3 {
  margin-top: 0;
  color: var(--accent);
}

.pillar p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.callout {
  border-left: 3px solid var(--accent);
  padding: 0.9rem 1.2rem;
  background: #fff;
  margin: 1.5em 0;
  font-size: 0.95rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

footer.site {
  margin-top: 4rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--fg-muted);
}

footer.site a {
  color: var(--fg-muted);
}

footer.site .footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  footer.site .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

footer.site h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #000;
  margin: 0 0 0.6em;
}

footer.site ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

footer.site li {
  margin-bottom: 0.3em;
}

.hr-fancy {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 3rem 0;
  position: relative;
}

.hr-fancy::after {
  content: "( -- )";
  position: absolute;
  top: -0.8em;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  padding: 0 0.8em;
  font-family: "JetBrains Mono", "Fira Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--accent);
}