:root {
  --site-bg: #f8f3eb;
  --surface: #fffaf4;
  --surface-soft: #fbf5ee;
  --text: #2f241d;
  --text-soft: #65544a;
  --line: rgba(74, 49, 33, 0.16);
  --accent: #a3492c;
  --accent-dark: #74321f;
  --teal: #1d4f4f;
  --sidebar-width: 20rem;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--site-bg);
  color: var(--text);
  font-family: "Literata", Georgia, serif;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #fbf7f0 0%, var(--site-bg) 100%);
  color: var(--text);
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

.site-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.site-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: rgba(255, 250, 244, 0.94);
  padding: 1.4rem 1.2rem 2rem;
}

.site-brand,
.site-nav,
.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5,
.page-content h6,
.page-content code,
.page-content pre {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.site-brand {
  display: block;
  margin-bottom: 1.25rem;
  color: var(--teal);
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav h2 {
  margin: 1.1rem 0 0.35rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

.site-nav li {
  margin: 0;
}

.site-nav a {
  display: block;
  border-radius: 6px;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.25;
  padding: 0.26rem 0.35rem;
  text-decoration: none;
}

.site-nav a:hover {
  background: rgba(163, 73, 44, 0.08);
  color: var(--accent-dark);
}

.site-main {
  min-width: 0;
}

.page-content {
  max-width: 900px;
  padding: 3rem 3rem 6rem;
}

.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5,
.page-content h6 {
  color: var(--teal);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
}

.page-content h1 {
  margin-top: 0;
  font-size: 2.2rem;
}

.page-content h2 {
  margin-top: 2.2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.35rem;
}

.page-content h3 {
  margin-top: 1.8rem;
}

.page-content strong {
  color: #49362a;
}

.page-content blockquote {
  margin: 1.5rem 0;
  border-left: 4px solid #d28a5e;
  border-radius: 0 8px 8px 0;
  background: var(--surface);
  color: var(--text-soft);
  padding: 0.8rem 1rem;
}

.page-content code {
  border-radius: 5px;
  background: rgba(163, 73, 44, 0.09);
  color: #6f2612;
  font-size: 0.92em;
  padding: 0.08rem 0.3rem;
}

.page-content pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 1rem;
}

.page-content pre code {
  background: transparent;
  color: var(--text);
  padding: 0;
}

.page-content table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.page-content th,
.page-content td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.65rem;
  vertical-align: top;
}

.page-content th {
  background: var(--surface-soft);
  color: var(--teal);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
}

.page-content img {
  max-width: 100%;
  height: auto;
}

.page-content hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .site-shell {
    display: block;
  }

  .site-sidebar {
    position: relative;
    height: auto;
    max-height: 55vh;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .page-content {
    padding: 2rem 1.25rem 4rem;
  }
}