:root {
  --bg: #FBF7F0;
  --bg-alt: #F2EBDC;
  --ink: #16261F;
  --ink-soft: #4B5C53;
  --muted: #8A9990;
  --line: #E2D9C5;
  --brand: #0F7B5A;
  --brand-deep: #0A5A41;
  --brand-soft: #D6EDE2;
  --accent: #F2C14E;
  --accent-deep: #C8941F;
  --berry: #A4365A;
  --teal: #2C7A8A;
  --code-bg: #11241D;
  --code-ink: #E7F3EC;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 0 rgba(22,38,31,0.04), 0 12px 30px -16px rgba(22,38,31,0.18);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--brand-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

code, pre, .mono { font-family: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace; }

h1, h2, h3, h4 { font-family: 'Fraunces', Georgia, serif; color: var(--ink); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.1rem, 4vw + 1rem, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 1vw + 1rem, 1.85rem); margin-top: 2em; font-weight: 600; }
h3 { font-size: 1.15rem; margin-top: 1.5em; font-weight: 600; }
p { margin: 0 0 1em; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* HEADER */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(150%) blur(8px);
}
.header-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 18px 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark { display:inline-flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: 'Fraunces', serif; font-weight: 700; font-size: 1.3rem; }
.brand-name span { color: var(--brand); }
.brand-tagline { font-size: 0.72rem; color: var(--muted); margin-top: 2px; letter-spacing: 0.02em; }

.primary-nav { display: flex; gap: 22px; justify-self: center; }
.primary-nav a { color: var(--ink-soft); font-weight: 500; font-size: 0.95rem; }
.primary-nav a:hover { color: var(--brand-deep); text-decoration: none; }

.search { display: inline-flex; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 4px 4px 14px; }
.search input { border: 0; outline: none; background: transparent; font: inherit; padding: 6px 4px; min-width: 200px; color: var(--ink); }
.search button { border: 0; background: var(--brand); color: #fff; width: 32px; height: 32px; border-radius: 999px; cursor: pointer; font-size: 1rem; }
.search-big { padding: 10px 10px 10px 18px; margin-top: 16px; }
.search-big input { font-size: 1.05rem; min-width: 280px; }
.search-big button { width: auto; padding: 0 18px; height: 40px; border-radius: 999px; }

@media (max-width: 860px) {
  .header-row { grid-template-columns: 1fr auto; }
  .primary-nav { display: none; }
  .search input { min-width: 140px; }
  .brand-tagline { display: none; }
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0 40px;
}
.hero-eyebrow { color: var(--brand-deep); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; margin-bottom: 16px; }
.hero h1 { font-size: clamp(2.4rem, 3.5vw + 1rem, 3.8rem); font-weight: 700; }
.hero-lede { font-size: 1.12rem; color: var(--ink-soft); max-width: 560px; }
.hero-lede code { background: var(--brand-soft); color: var(--brand-deep); padding: 1px 7px; border-radius: 4px; font-size: 0.95em; }
.hero-ctas { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 12px 20px; border-radius: 999px; font-weight: 600; transition: transform 0.15s ease, background 0.15s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

.hero-art img { width: 100%; height: auto; border-radius: var(--radius); box-shadow: var(--shadow); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 32px 0; gap: 32px; }
}

/* PAGE HEAD */
.page-head { padding: 48px 0 24px; max-width: 760px; }
.eyebrow { color: var(--brand-deep); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; margin-bottom: 8px; }
.page-lede { font-size: 1.08rem; color: var(--ink-soft); }

/* CONTENT GRID */
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; padding-bottom: 80px; }
@media (max-width: 980px) { .content-grid { grid-template-columns: 1fr; } }

/* CARD GRID */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform 0.18s ease, box-shadow 0.18s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card-thumb {
  display: flex; flex-direction: column; justify-content: flex-end;
  aspect-ratio: 16/10;
  padding: 18px;
  color: #fff;
  position: relative;
  text-decoration: none;
}
.card-thumb:hover { text-decoration: none; }
.thumb-eyebrow { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.85; }
.thumb-name { font-family: 'Fraunces', serif; font-size: 1.6rem; font-weight: 700; line-height: 1.1; margin-top: 4px; }
.thumb-syntax { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; opacity: 0.8; margin-top: 6px; word-break: break-all; }

.pattern-0 { background: linear-gradient(135deg, #0F7B5A, #0A5A41); }
.pattern-1 { background: linear-gradient(135deg, #2C7A8A, #16261F); }
.pattern-2 { background: linear-gradient(135deg, #A4365A, #6E1F3D); }
.pattern-3 { background: linear-gradient(135deg, #C8941F, #8A5E0A); }
.pattern-4 { background: linear-gradient(135deg, #16261F, #0F7B5A); }

.card-body { padding: 18px 20px 22px; }
.card-meta { font-size: 0.8rem; color: var(--muted); margin: 0 0 8px; }
.card-meta a { color: var(--ink-soft); font-weight: 500; }
.card-title { font-family: 'Fraunces', serif; font-size: 1.2rem; line-height: 1.25; margin: 0 0 8px; }
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--brand-deep); text-decoration: none; }
.card-excerpt { font-size: 0.95rem; color: var(--ink-soft); margin: 0 0 12px; }
.continue { font-weight: 600; font-size: 0.92rem; color: var(--brand-deep); }

/* SIDEBAR */
.sidebar { display: flex; flex-direction: column; gap: 20px; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.side-card h3 { font-size: 1.05rem; margin: 0 0 10px; font-family: 'Fraunces', serif; font-weight: 600; }
.side-card p { font-size: 0.92rem; color: var(--ink-soft); margin: 0 0 10px; }
.side-link { font-weight: 600; font-size: 0.9rem; }
.side-list { list-style: none; padding: 0; margin: 0; }
.side-list li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 0.92rem; }
.side-list li:last-child { border-bottom: 0; }
.side-list span { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 0.82rem; }
.side-cta { background: var(--brand-soft); border-color: var(--brand-soft); }
.side-cta h3 { color: var(--brand-deep); }
.side-button { display: inline-block; background: var(--brand-deep); color: #fff; padding: 8px 14px; border-radius: 999px; font-size: 0.88rem; font-weight: 600; margin-top: 6px; }
.side-button:hover { color: #fff; text-decoration: none; background: var(--ink); }

/* PAGINATION */
.pagination { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.pagination a, .pagination span { font-weight: 500; }
.pagination .disabled { color: var(--muted); }
.page-indicator { color: var(--ink-soft); font-size: 0.92rem; }

/* CATEGORIES */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; padding-bottom: 80px; }
.cat-tile { display: flex; flex-direction: column; gap: 4px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); transition: transform 0.18s, border-color 0.18s; }
.cat-tile:hover { text-decoration: none; transform: translateY(-3px); border-color: var(--brand); }
.cat-count { font-family: 'Fraunces', serif; font-size: 2.4rem; color: var(--brand-deep); font-weight: 700; line-height: 1; }
.cat-name { font-weight: 600; font-size: 1.05rem; }
.cat-arrow { color: var(--brand-deep); font-size: 0.9rem; margin-top: 8px; }

/* ARTICLE */
.breadcrumbs { padding: 24px 0 0; color: var(--muted); font-size: 0.85rem; }
.breadcrumbs a { color: var(--ink-soft); }
.article-head { padding: 32px 0 16px; max-width: 760px; }
.article-head h1 { font-size: clamp(2rem, 2.5vw + 1rem, 3.2rem); }
.article-syntax { margin-top: 18px; }
.article-syntax code { background: var(--code-bg); color: var(--code-ink); padding: 12px 16px; border-radius: var(--radius-sm); display: inline-block; font-size: 0.92rem; word-break: break-all; }

.article-hero {
  border-radius: var(--radius);
  padding: 56px 32px;
  color: #fff;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}
.article-hero::after {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 240px; height: 240px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.hero-fn { font-family: 'JetBrains Mono', monospace; font-size: clamp(2rem, 4vw, 3.6rem); font-weight: 500; }
.hero-cat { opacity: 0.85; margin-top: 8px; letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.85rem; }

.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; padding-bottom: 56px; }
@media (max-width: 980px) { .article-grid { grid-template-columns: 1fr; } }

.article-body p, .article-body li { font-size: 1.04rem; color: var(--ink); }
.article-body .lede { font-size: 1.18rem; color: var(--ink-soft); border-left: 3px solid var(--brand); padding-left: 18px; margin-bottom: 32px; }
.article-body code { background: var(--bg-alt); padding: 1px 6px; border-radius: 4px; font-size: 0.92em; color: var(--ink); }
.article-body pre.code-block { background: var(--code-bg); color: var(--code-ink); padding: 18px 22px; border-radius: var(--radius-sm); overflow-x: auto; font-size: 0.95rem; line-height: 1.6; }
.article-body pre.code-block code { background: transparent; color: inherit; padding: 0; }
.article-body ul { padding-left: 1.2em; }
.article-body li { margin-bottom: 0.5em; }

.param-list { list-style: none; padding: 0; }
.param-list li { padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 8px; background: #fff; }
.badge { background: var(--accent); color: #4a3500; font-size: 0.7rem; padding: 2px 8px; border-radius: 999px; font-weight: 600; margin-left: 6px; vertical-align: middle; text-transform: uppercase; letter-spacing: 0.05em; }

.mistakes-list li { background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--berry); padding: 14px 16px; border-radius: var(--radius-sm); margin-bottom: 10px; }

.related { padding: 40px 0 80px; border-top: 1px solid var(--line); }
.related h2 { margin-top: 0.4em; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.related-chip { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); transition: border-color 0.15s, transform 0.15s; }
.related-chip:hover { border-color: var(--brand); transform: translateY(-2px); text-decoration: none; }
.chip-name { font-family: 'JetBrains Mono', monospace; font-weight: 500; }
.chip-arrow { color: var(--brand); }

/* INDEX ALL */
.index-section { margin-top: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.index-section h2 { margin-top: 0; }
.muted { color: var(--muted); font-weight: 400; font-size: 0.7em; }
.index-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px; }
.index-list a { display: flex; flex-direction: column; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid transparent; color: var(--ink); }
.index-list a:hover { background: #fff; border-color: var(--line); text-decoration: none; }
.idx-name { font-family: 'JetBrains Mono', monospace; font-weight: 500; color: var(--brand-deep); }
.idx-desc { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }

/* SEARCH */
.empty { color: var(--ink-soft); padding: 40px 0; }
.result-count { color: var(--muted); margin-bottom: 16px; }

/* FOOTER */
.site-footer { background: var(--ink); color: #C9D7CF; padding: 56px 0 24px; margin-top: 40px; }
.site-footer h4 { color: #fff; font-family: 'Inter', sans-serif; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #C9D7CF; }
.site-footer a:hover { color: var(--accent); text-decoration: none; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 32px; border-bottom: 1px solid #243B33; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.footer-brand { font-family: 'Fraunces', serif; font-size: 1.2rem; color: #fff; margin: 0 0 8px; font-weight: 600; }
.footer-blurb { color: #98AFA4; font-size: 0.92rem; max-width: 380px; }
.copyright { padding-top: 18px; color: #6F8479; font-size: 0.85rem; }

/* Long-form prose tweaks */
.prose h2 { margin-top: 1.6em; }
.prose ul li { margin-bottom: 0.4em; }

/* Hero stats strip */
.hero-stats { margin-top: 18px; color: var(--ink-soft); font-size: 0.95rem; }
.hero-stats strong { color: var(--brand-deep); font-family: 'Fraunces', serif; font-size: 1.15rem; font-weight: 700; }

/* Wide related chip (used for tutorial titles) */
.related-chip-wide { padding: 16px 18px; }
.related-chip-wide .chip-title { font-family: 'Fraunces', serif; font-size: 0.98rem; font-weight: 500; color: var(--ink); padding-right: 12px; line-height: 1.3; }
.related-chip-wide:hover .chip-title { color: var(--brand-deep); }

/* Hero search refinement */
.hero .search-big { margin-top: 20px; max-width: 460px; }

/* Sidebar tutorials list shortened category labels */
.side-list a { color: var(--ink); }
.side-list a:hover { color: var(--brand-deep); text-decoration: none; }

/* Tutorial article hero — slightly different so it visually distinguishes from a function page */
.article-hero .hero-fn { font-family: 'JetBrains Mono', monospace; }

/* Code chip used inline in lede */
.article-body .lede code { background: rgba(15,123,90,0.12); color: var(--brand-deep); padding: 2px 8px; border-radius: 4px; font-size: 0.92em; }

/* Index list refinement for tutorials index */
.index-list a:hover .idx-name { color: var(--brand-deep); }