:root {
  --color-bg: #faf8f3;
  --color-bg-soft: #f5f1e8;
  --color-fg: #1a1a1a;
  --color-fg-soft: #5a5a5a;
  --color-accent: #0a2540;
  --color-accent-soft: #2a3f5b;
  --color-gold: #b8945f;
  --color-rule: #d8cfb8;

  --font-serif: 'Crimson Pro', 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Monaco, 'Cascadia Code', Consolas, monospace;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-feature-settings: 'kern' 1, 'liga' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.wrap-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-rule);
  padding: 1.5rem 2rem;
  background: var(--color-bg);
}

.site-header-inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand-mark {
  color: var(--color-gold);
  font-style: italic;
}

.nav {
  display: flex;
  gap: 2rem;
  font-size: 0.92rem;
}

.nav a {
  color: var(--color-fg-soft);
  text-decoration: none;
  transition: color 0.2s ease;
  position: relative;
}

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

.nav a.current {
  color: var(--color-accent);
  font-weight: 500;
}

.nav a.current::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gold);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

h1 {
  font-size: 3rem;
  margin: 0 0 1.5rem;
  letter-spacing: -0.025em;
}

h2 {
  font-size: 1.85rem;
  margin: 3rem 0 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-rule);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 2rem;
}

h3 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
}

h4 {
  font-size: 1.1rem;
  font-family: var(--font-sans);
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

p, ul, ol {
  margin: 0 0 1.2rem;
  font-size: 1rem;
}

ul, ol {
  padding-left: 1.5rem;
}

li {
  margin: 0.4rem 0;
}

strong {
  font-weight: 600;
  color: var(--color-accent);
}

em {
  font-style: italic;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: text-decoration-color 0.2s ease;
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-bg-soft);
  padding: 0.1em 0.35em;
  border-radius: 2px;
  color: var(--color-accent);
}

pre {
  background: var(--color-bg-soft);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.9rem;
  margin: 1rem 0 1.5rem;
}

blockquote {
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  border-left: 3px solid var(--color-gold);
  background: var(--color-bg-soft);
  font-style: italic;
  color: var(--color-fg-soft);
}

hr {
  border: none;
  border-top: 1px solid var(--color-rule);
  margin: 3rem 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-rule);
  vertical-align: top;
}

th {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-bg-soft);
  border-bottom: 2px solid var(--color-accent);
}

/* Landing page hero */
.hero {
  padding: 6rem 0 4rem;
  border-bottom: 1px solid var(--color-rule);
}

.hero-eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.78rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  max-width: 780px;
  margin-bottom: 1.5rem;
}

.hero-lede {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.45;
  color: var(--color-fg-soft);
  max-width: 680px;
  font-weight: 400;
  font-style: italic;
}

/* Section blocks */
.section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-rule);
}

.section:last-child {
  border-bottom: none;
}

.section-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

/* Asymmetric two-column for landing */
.two-col {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 720px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.two-col-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.78rem;
  color: var(--color-gold);
  padding-top: 0.4rem;
}

/* Document links */
.doc-list {
  list-style: none;
  padding: 0;
}

.doc-list li {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-rule);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: baseline;
}

.doc-list li:last-child {
  border-bottom: none;
}

.doc-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-accent);
  font-weight: 600;
  display: block;
  text-decoration: none;
  margin-bottom: 0.3rem;
}

.doc-title:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
}

.doc-desc {
  color: var(--color-fg-soft);
  font-size: 0.95rem;
}

.doc-meta {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--color-gold);
  white-space: nowrap;
}

/* Document download bar */
.doc-actions {
  margin: 2rem 0 3rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-gold);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.92rem;
}

.doc-actions-meta {
  color: var(--color-fg-soft);
}

.doc-actions-links {
  display: flex;
  gap: 1.5rem;
}

.doc-actions a {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gold);
  padding-bottom: 2px;
}

.doc-actions a:hover {
  border-bottom-color: var(--color-accent);
}

/* Contact card */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.contact-card {
  padding: 1.5rem;
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-gold);
}

.contact-card-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.contact-card-email {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  word-break: break-all;
}

.contact-card-email:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
}

.contact-card-desc {
  font-size: 0.92rem;
  color: var(--color-fg-soft);
  line-height: 1.5;
}

/* Footer */
.site-footer {
  padding: 3rem 2rem 2rem;
  border-top: 1px solid var(--color-rule);
  background: var(--color-bg-soft);
  margin-top: 4rem;
}

.site-footer-inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  font-size: 0.85rem;
  color: var(--color-fg-soft);
}

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

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

.site-footer-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Document body container */
.doc-body {
  background: var(--color-bg);
}

.doc-header {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--color-rule);
}

.doc-header h1 {
  font-size: 2.8rem;
  line-height: 1.15;
  max-width: 780px;
}

.doc-header-meta {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.doc-header-subtitle {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--color-fg-soft);
  max-width: 680px;
  margin-top: 1rem;
}

/* Print-friendly */
@media print {
  .site-header, .site-footer, .doc-actions {
    display: none;
  }
  body {
    background: white;
  }
}

/* Subtle entrance animation on load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero, .doc-header {
  animation: fadeInUp 0.6s ease-out;
}

.section {
  animation: fadeInUp 0.5s ease-out 0.1s both;
}