:root {
  --bg: #faf8f4;
  --bg-nav: rgba(250, 248, 244, 0.92);
  --text: #1a1a1a;
  --muted: #666;
  --accent: #2b3a67;
  --accent-hover: #1a2340;
  --border: #e5e0d5;
  --border-strong: #d4ceb8;
  --card-bg: #fff;
  --card-shadow: 0 1px 3px rgba(26, 26, 26, 0.04), 0 0 0 1px var(--border);
  --card-shadow-hover: 0 4px 12px rgba(26, 26, 26, 0.08), 0 0 0 1px var(--accent);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Monaco, Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

/* Site nav (used on paper pages; home is scroll-only) */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg-nav);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-nav-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-nav-brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-nav-brand:hover {
  color: var(--accent);
}

.site-nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
}

.site-nav-links a {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

.site-nav-links a:hover {
  color: var(--accent);
}

/* Hero */

.hero {
  padding: 2rem 0 4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.titles {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.nowrap {
  white-space: nowrap;
}

.pitch {
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--text);
  max-width: 42ch;
}

/* Sections */

.section {
  margin-bottom: 5rem;
}

.section h2 {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.section-lede {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  max-width: 60ch;
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  display: block;
  background: var(--card-bg);
  padding: 1.75rem;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:not(.static):hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-1px);
}

.card.static {
  cursor: default;
}

.card-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.card h3 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.card-desc {
  font-size: 0.98rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-cta {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

.card:not(.static):hover .card-cta {
  color: var(--accent-hover);
}

/* Connect */

.connect-list {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  padding: 0;
}

.connect-list li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.connect-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  min-width: 5rem;
}

.connect-list a {
  color: var(--accent);
  text-decoration: none;
  font-size: 1rem;
}

.connect-list a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Footer */

footer {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

footer a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

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

/* Subscribe (Merge Conflict CTA) */

.subscribe {
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 1.5rem 1.5rem 1.4rem;
  max-width: 520px;
}

.subscribe-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.subscribe-lede {
  font-family: var(--serif);
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--text);
  margin-bottom: 1.1rem;
}

.subscribe-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.subscribe-form input[type="email"] {
  flex: 1 1 220px;
  min-width: 0;
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s ease;
}

.subscribe-form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
}

.subscribe-form button {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.65rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.subscribe-form button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.cta-button {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.cta-button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.paper-body a.cta-button,
.paper-header a.cta-button {
  color: #fff;
  border-bottom: 0;
}

.paper-header .cta-button {
  margin-top: 1.5rem;
}

.subscribe-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.7rem;
}

.subscribe-note a {
  color: var(--muted);
  border-bottom: 1px solid var(--border-strong);
  text-decoration: none;
}

.subscribe-note a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Placement variants */

.hero .subscribe {
  margin-top: 2.25rem;
}

.section .subscribe {
  margin-top: 2.5rem;
}

.subscribe-footer {
  background: transparent;
  border: 0;
  padding: 0;
  max-width: none;
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.subscribe-footer .subscribe-form {
  max-width: 520px;
}

.paper-body .subscribe {
  margin-top: 3rem;
}

/* Paper pages */

.paper-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 3rem;
}

.paper-header {
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.paper-header .eyebrow {
  margin-bottom: 1.25rem;
}

.paper-header h1 {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text);
}

.paper-subtitle {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 1.75rem;
}

.paper-byline {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 55ch;
}

.paper-byline a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
}

.paper-byline a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.paper-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
}

.paper-body > * + * {
  margin-top: 1.25rem;
}

.paper-body h2 {
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-top: 3.5rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.paper-body h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1.3;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.paper-body h4 {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.paper-body p {
  max-width: 68ch;
}

.paper-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 58, 103, 0.3);
  transition: border-color 0.15s ease;
}

.paper-body a:hover {
  border-bottom-color: var(--accent);
}

.paper-body strong {
  color: var(--text);
  font-weight: 600;
}

.paper-body em {
  font-style: italic;
}

.paper-body ul,
.paper-body ol {
  padding-left: 1.4rem;
  max-width: 68ch;
}

.paper-body li + li {
  margin-top: 0.4rem;
}

.paper-body ul ul,
.paper-body ol ol,
.paper-body ul ol,
.paper-body ol ul {
  margin-top: 0.4rem;
}

.paper-body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--accent);
  background: rgba(43, 58, 103, 0.04);
  border-radius: 0 4px 4px 0;
  max-width: 68ch;
}

.paper-body blockquote > * + * {
  margin-top: 0.75rem;
}

.paper-body blockquote p {
  margin-bottom: 0;
}

.paper-body hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

.paper-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
  border-top: 2px solid var(--text);
  border-bottom: 2px solid var(--text);
}

.paper-body table colgroup {
  display: none;
}

.paper-body thead {
  border-bottom: 1px solid var(--border-strong);
}

.paper-body th {
  text-align: left;
  padding: 0.75rem 0.75rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.paper-body td {
  padding: 0.85rem 0.75rem;
  vertical-align: top;
  border-top: 1px solid var(--border);
  line-height: 1.5;
}

.paper-body tr:first-child td {
  border-top: none;
}

.paper-body code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(26, 26, 26, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.paper-body pre {
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.5;
  background: #f4f0e6;
  padding: 1rem 1.25rem;
  border-radius: 6px;
  overflow-x: auto;
  border: 1px solid var(--border);
}

.paper-body pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.paper-back {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.paper-back a {
  color: var(--accent);
  text-decoration: none;
}

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

/* Site footer (paper pages) */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

.site-footer-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.site-footer a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Responsive tweaks */

@media (max-width: 640px) {
  main {
    padding: 2.5rem 1.25rem 2rem;
  }

  .hero {
    padding: 1rem 0 3rem;
    margin-bottom: 3rem;
  }

  .section {
    margin-bottom: 4rem;
  }

  .card {
    padding: 1.5rem;
  }

  .connect-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .site-nav-inner {
    padding: 0.75rem 1.25rem;
    gap: 1rem;
  }

  .site-nav-links {
    gap: 1rem;
  }

  .paper-main {
    padding: 2rem 1.25rem 2rem;
  }

  .paper-header {
    padding-bottom: 2rem;
    margin-bottom: 2.5rem;
  }

  .paper-body {
    font-size: 1rem;
  }

  .paper-body h2 {
    font-size: 1.5rem;
    margin-top: 2.75rem;
  }

  .paper-body h3 {
    font-size: 1.15rem;
    margin-top: 2rem;
  }

  .paper-body table {
    display: block;
    overflow-x: auto;
  }

  .paper-body blockquote {
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
  }
}