/* Lutiq Learn — static article surface (Purple Sector paper) */
@font-face {
  font-family: "Zodiak";
  src: url(/fonts/zodiak-400.woff2) format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Zodiak";
  src: url(/fonts/zodiak-700.woff2) format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Supreme";
  src: url(/fonts/supreme-400.woff2) format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Supreme";
  src: url(/fonts/supreme-500.woff2) format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Supreme";
  src: url(/fonts/supreme-700.woff2) format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Martian Mono";
  src: url(/fonts/martianmono-400.woff2) format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
}

body.learn {
  margin: 0;
  min-height: 100vh;
  background: #faf8f3;
  color: #191c33;
  font-family: "Supreme", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #4f46e5;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover {
  color: #3730a3;
}

.learn-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem;
  border-bottom: 1px solid #e4e0d5;
}

.learn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
}
.learn-wordmark {
  font-family: "Zodiak", Georgia, serif;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: #191c33;
}

.learn-nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
}
.learn-nav a {
  color: #565a6e;
  text-decoration: none;
}
.learn-nav a:hover {
  color: #4f46e5;
}

.learn-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.learn-kicker {
  margin: 0 0 0.75rem;
  font-family: "Martian Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #6e7287;
}

.learn-main > h1 {
  margin: 0 0 0.75rem;
  font-family: "Zodiak", Georgia, serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #191c33;
}

.learn-meta {
  margin: 0 0 2.5rem;
  font-size: 0.875rem;
  color: #6e7287;
}

.learn-content > *:first-child {
  margin-top: 0;
}

.learn-content h2 {
  margin: 2.5rem 0 0.75rem;
  font-family: "Zodiak", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.learn-content h3 {
  margin: 2rem 0 0.5rem;
  font-family: "Zodiak", Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.learn-content p {
  margin: 0 0 1.15rem;
}

.learn-content ul,
.learn-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
}

.learn-content li {
  margin-bottom: 0.4rem;
}

.learn-content blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.15rem;
  border-left: 3px solid #4f46e5;
  color: #3e4258;
}

.learn-content blockquote p {
  margin: 0;
}

.learn-content code {
  font-family: "Martian Mono", ui-monospace, monospace;
  font-size: 0.86em;
  background: #f0ede5;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.learn-content pre {
  margin: 1.25rem 0;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  background: #191c33;
  color: #faf8f3;
  border-radius: 8px;
  font-size: 0.875rem;
  line-height: 1.5;
}

.learn-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.learn-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.learn-content th,
.learn-content td {
  border: 1px solid #e4e0d5;
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.learn-content th {
  background: #f0ede5;
  font-weight: 600;
}

.learn-content hr {
  border: 0;
  border-top: 1px solid #e4e0d5;
  margin: 2.5rem 0;
}

.learn-content strong {
  font-weight: 600;
}

.learn-index {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.learn-index li {
  margin: 0;
  border-top: 1px solid #e4e0d5;
}

.learn-index a {
  display: block;
  padding: 1.25rem 0;
  color: inherit;
  text-decoration: none;
}

.learn-index a:hover .learn-index-title {
  color: #4f46e5;
}

.learn-index-title {
  display: block;
  font-family: "Zodiak", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.35rem;
}

.learn-index-desc {
  display: block;
  color: #565a6e;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.learn-index-meta {
  display: block;
  font-family: "Martian Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #8a8fa3;
}

.learn-footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid #e4e0d5;
  font-size: 0.9rem;
  color: #565a6e;
}

.learn-footer p {
  margin: 0 0 0.75rem;
}

.learn-footer-links a {
  color: #565a6e;
  text-decoration: none;
}
.learn-footer-links a:hover {
  color: #4f46e5;
}

.learn-copy {
  font-size: 0.8rem;
  color: #8a8fa3;
}