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

:root {
  --parchment: #F4EFE4;
  --parchment-dark: #EDE5D4;
  --ink: #1C2B1C;
  --ink-light: #2D4A2D;
  --forest: #3A6040;
  --sage: #7A9E7E;
  --sage-light: #C8DCCA;
  --gold: #8B6914;
  --gold-light: #C4A24A;
}

html { scroll-behavior: smooth; }

body {
  background: var(--parchment);
  color: var(--ink);
  font-family: 'Lora', Georgia, serif;
  font-size: 17px;
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 3rem;
  background: rgba(244, 239, 228, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sage-light);
}

.nav-mark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Lora', serif;
  font-size: 0.85rem;
  color: var(--ink-light);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--forest); }

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--sage);
  text-align: center;
}

footer {
  border-top: 1px solid var(--sage-light);
  padding: 2.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-mark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  font-style: italic;
  color: var(--sage);
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--sage);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
}

.footer-links a:hover { color: var(--forest); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.25rem; }
  footer { flex-direction: column; text-align: center; }
}

/* ── Docs layout ── */
.docs-layout {
  display: flex;
  margin-top: 4.5rem;
  min-height: calc(100vh - 4.5rem);
}

.docs-sidebar {
  width: 220px;
  flex-shrink: 0;
  padding: 2.5rem 1.5rem;
  border-right: 1px solid var(--sage-light);
  background: var(--parchment-dark);
  position: sticky;
  top: 4.5rem;
  height: calc(100vh - 4.5rem);
  overflow-y: auto;
}

.docs-sidebar-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1rem;
}

.docs-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  position: static;
  background: transparent;
  border: none;
  padding: 0;
}

.docs-sidebar a {
  font-family: 'Lora', Georgia, serif;
  font-size: 0.9rem;
  color: var(--ink-light);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 3px;
  transition: background 0.15s;
  letter-spacing: 0;
}

.docs-sidebar a:hover {
  background: var(--sage-light);
  color: var(--ink);
}

.docs-sidebar a.active {
  background: var(--forest);
  color: var(--parchment);
}

.docs-content {
  flex: 1;
  padding: 3rem 4rem;
  max-width: 760px;
}

.docs-content h1 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  opacity: 1;
  animation: none;
}

.docs-content .lead {
  font-size: 1rem;
  color: var(--sage);
  font-style: italic;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--sage-light);
}

.docs-content h2 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--forest);
  margin: 2.5rem 0 0.75rem;
}

.docs-content p {
  margin-bottom: 1rem;
  color: var(--ink-light);
  font-size: 0.95rem;
}

.docs-content ul, .docs-content ol {
  margin: 0.5rem 0 1rem 1.25rem;
}

.docs-content li {
  margin-bottom: 0.35rem;
  color: var(--ink-light);
  font-size: 0.95rem;
}

.docs-content a {
  color: var(--forest);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.code-block {
  background: var(--ink);
  color: #a8d5a2;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  padding: 1.25rem 1.5rem;
  border-radius: 4px;
  margin: 1rem 0 1.5rem;
  line-height: 1.7;
  overflow-x: auto;
}

.code-block .comment { color: var(--sage); }
.code-block .prompt   { color: var(--sage-light); user-select: none; }

.callout {
  border-left: 3px solid var(--sage);
  background: var(--parchment-dark);
  padding: 1rem 1.25rem;
  border-radius: 0 4px 4px 0;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  color: var(--ink-light);
}

.callout strong { color: var(--forest); }

.docs-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: var(--parchment-dark);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  color: var(--forest);
}

/* Skills reference table */
.skill-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 2rem;
  font-size: 0.88rem;
}

.skill-table th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage);
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--sage-light);
}

.skill-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--sage-light);
  color: var(--ink-light);
  vertical-align: top;
}

.skill-table tr:last-child td { border-bottom: none; }

.skill-table td:first-child {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--forest);
  white-space: nowrap;
}

/* Architecture diagram */
.arch-diagram {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--parchment-dark);
  border-radius: 4px;
  border: 1px solid var(--sage-light);
  overflow-x: auto;
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 90px;
}

.arch-node-box {
  background: var(--forest);
  color: var(--parchment);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  padding: 0.5rem 0.75rem;
  border-radius: 3px;
  text-align: center;
  line-height: 1.4;
  white-space: nowrap;
}

.arch-node-box.arch-light {
  background: var(--parchment);
  color: var(--forest);
  border: 1px solid var(--sage);
}

.arch-node-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  color: var(--sage);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.arch-arrow-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
  padding: 0 0.25rem;
  margin-bottom: 1.35rem;
}

.arch-arrow {
  font-size: 1rem;
  color: var(--sage);
  line-height: 1;
}

.arch-arrow-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.5rem;
  color: var(--sage);
  letter-spacing: 0.06em;
  text-align: center;
  white-space: nowrap;
}

/* Docs footer nav */
.docs-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--sage-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.docs-prev, .docs-next {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  color: var(--forest);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.docs-prev::before { content: '← '; }
.docs-next::after  { content: ' →'; }

/* ── Quick Start section ── */
.quickstart {
  background: var(--parchment-dark);
  border-top: 1px solid var(--sage-light);
  border-bottom: 1px solid var(--sage-light);
  padding: 5rem 2rem;
}

.quickstart-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.qs-steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
  align-items: start;
}

.qs-step {
  border-top: 2px solid var(--sage-light);
  padding-top: 1.25rem;
}

.qs-step-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--sage-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.qs-step h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--forest);
  margin-bottom: 0.6rem;
}

.qs-step p {
  font-size: 0.85rem;
  color: var(--ink-light);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.qs-code {
  background: var(--ink);
  color: #a8d5a2;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: 4px;
  line-height: 1.8;
}

.qs-code .dim    { color: var(--sage); }
.qs-code .prompt { color: var(--sage-light); user-select: none; }

.qs-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  margin-bottom: 0.5rem;
  background: #E8F4E8;
  color: var(--forest);
}

.qs-graphic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.qs-terminal {
  background: var(--ink);
  border-radius: 6px;
  overflow: hidden;
}

.qs-terminal-bar {
  background: #2d4a2d;
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.qs-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sage);
  opacity: 0.4;
}

.qs-terminal-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: var(--sage);
  letter-spacing: 0.08em;
  margin-left: 0.25rem;
}

.qs-terminal-body {
  padding: 1rem 1.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: #a8d5a2;
  line-height: 1.9;
}

.qs-terminal-body .cmd    { color: #f4efe4; }
.qs-terminal-body .dim    { color: var(--sage); }
.qs-terminal-body .file   { color: var(--sage-light); }
.qs-terminal-body .prompt { color: var(--sage); user-select: none; }

.qs-git-tree {
  grid-column: 1 / -1;
  background: var(--ink);
  border-radius: 6px;
  padding: 0.9rem 1.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: #a8d5a2;
  line-height: 1.9;
  display: flex;
  gap: 3rem;
}

.qs-git-tree .dim  { color: var(--sage); }
.qs-git-tree .sha  { color: var(--sage-light); }
.qs-git-tree .label {
  font-size: 0.6rem;
  color: var(--sage);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}