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

:root {
  --bg:          #0e0e0c;
  --bg2:         #141412;
  --bg3:         #1c1c19;
  --fg:          #e8e6df;
  --muted:       #8c8a84;
  --subtle:      #555350;
  --border:      #252420;
  --border-mid:  #2e2c28;
  --border-hi:   #3a3834;
  --code-bg:     #171714;
  --accent:      #e05c2a;
  --accent-dim:  #3d1a0d;
  --green:       #3dba72;
  --green-dim:   #0d2b1a;
  --amber:       #d4953a;
  --amber-dim:   #2a1d09;
  --purple:      #a78bfa;
  --purple-dim:  #1e1533;
  --blue:        #5b9cf6;
  --blue-dim:    #0f1e38;
  --mono:        'Geist Mono', 'Fira Code', monospace;
  --serif:       'Newsreader', Georgia, serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/*  TOPBAR  */
.topbar {
  background: var(--accent);
  color: #fff;
  text-align: center;
  font-size: 12px;
  padding: 7px 24px;
  letter-spacing: 0.01em;
}
.topbar a { color: #fff; text-decoration: underline; opacity: 0.85; }
.topbar a:hover { opacity: 1; }

/*  NAV  */
nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 24px; height: 44px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-left { display: flex; align-items: center; gap: 24px; }
.logo { font-size: 13px; font-weight: 600; letter-spacing: -0.02em; color: var(--fg); }
.logo sup { font-size: 8px; font-weight: 400; color: var(--muted); vertical-align: super; }
.nav-links { display: flex; gap: 20px; list-style: none; }
.nav-links a { font-size: 13px; color: var(--muted); transition: color 0.1s; }
.nav-links a:hover { color: var(--fg); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-badge {
  font-size: 11px; color: var(--muted);
  background: var(--bg3); border: 1px solid var(--border-mid);
  padding: 2px 8px; border-radius: 3px;
}
.nav-gh {
  font-size: 12px; font-weight: 500; color: var(--fg);
  border: 1px solid var(--border-hi);
  padding: 4px 12px; border-radius: 4px; transition: background 0.1s;
}
.nav-gh:hover { background: var(--bg3); }

/*  HERO  */
.hero {
  border-bottom: 1px solid var(--border);
  padding: 80px 24px 64px;
  max-width: 860px;
}
.hero-kicker {
  font-size: 12px; color: var(--accent);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
}
.hero-kicker::before {
  content: ''; display: inline-block;
  width: 16px; height: 1px; background: var(--accent);
}
h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400; line-height: 1.05;
  letter-spacing: -0.02em; margin-bottom: 28px;
  color: var(--fg);
}
h1 em { font-style: italic; color: var(--muted); }
.hero-desc {
  font-size: 15px; color: var(--muted); line-height: 1.7;
  max-width: 560px; margin-bottom: 36px; font-family: var(--serif);
}
.hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.btn {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  padding: 8px 18px; border-radius: 5px;
  transition: all 0.1s; border: 1px solid transparent;
}
.btn-light { background: var(--fg); color: var(--bg); }
.btn-light:hover { opacity: 0.85; }
.btn-outline { background: transparent; color: var(--fg); border-color: var(--border-hi); }
.btn-outline:hover { background: var(--bg3); }
.hero-install { display: flex; align-items: center; gap: 8px; }
.hero-install code {
  background: var(--bg3); border: 1px solid var(--border-mid);
  padding: 7px 14px; border-radius: 5px;
  font-family: var(--mono); font-size: 13px; color: var(--fg);
  cursor: pointer; transition: border-color 0.1s; user-select: all;
}
.hero-install code:hover { border-color: var(--border-hi); }

/*  LAYOUT  */
.page {
  display: grid;
  grid-template-columns: 210px 1fr;
  min-height: calc(100vh - 44px);
}
.sidebar {
  border-right: 1px solid var(--border);
  padding: 28px 16px;
  position: sticky; top: 44px;
  height: calc(100vh - 44px);
  overflow-y: auto;
}
.sidebar-section { margin-bottom: 24px; }
.sidebar-label {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--subtle);
  margin-bottom: 6px; font-weight: 600; padding: 0 8px;
}
.sidebar-links { list-style: none; display: flex; flex-direction: column; }
.sidebar-links a {
  display: block; font-size: 13px; color: var(--muted);
  padding: 4px 8px; border-radius: 4px; margin-left: -0px;
  transition: color 0.1s, background 0.1s;
}
.sidebar-links a:hover { color: var(--fg); background: var(--bg3); }
.sidebar-links a.active { color: var(--fg); background: var(--bg3); }

/*  SECTIONS  */
.content { padding: 0; }
.section {
  border-bottom: 1px solid var(--border);
  padding: 52px 48px;
  max-width: 1000px;    
}
.section:last-child { border-bottom: none; }

h2 {
  font-family: var(--serif);
  font-size: 26px; font-weight: 400;
  letter-spacing: -0.02em; margin-bottom: 10px;
  color: var(--fg); line-height: 1.2;
}
h3 {
  font-size: 12px; font-weight: 600;
  color: var(--muted); margin-bottom: 8px; margin-top: 28px;
  letter-spacing: 0.06em; text-transform: uppercase;
}
p {
  font-size: 14px; color: var(--muted); line-height: 1.75;
  margin-bottom: 16px; font-family: var(--serif);
}
p:last-child { margin-bottom: 0; }

/*  CODE  */
.code-wrap {
  margin: 20px 0; border: 1px solid var(--border-mid);
  border-radius: 6px; overflow: hidden;
}
.code-header {
  background: var(--bg3); border-bottom: 1px solid var(--border);
  padding: 7px 14px;
  display: flex; align-items: center; justify-content: space-between;
}
.code-filename { font-size: 12px; color: var(--muted); }
.code-lang { font-size: 10px; color: var(--subtle); text-transform: uppercase; letter-spacing: 0.06em; }
pre {
  background: var(--code-bg);
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.75;
}

/* syntax */
.kw  { color: #7eb8f7; }
.str { color: #87cf87; }
.num { color: #e0a35c; }
.cmt { color: var(--subtle); font-style: italic; }
.fn  { color: #c59cf7; }
.type { color: #5bc0c0; }
.op  { color: var(--muted); }

/*  INLINE CODE  */
code {
  font-family: var(--mono); font-size: 12px;
  background: var(--bg3); border: 1px solid var(--border-mid);
  padding: 1px 5px; border-radius: 3px; color: var(--fg);
}

/*  CALLOUTS  */
.callout {
  border-left: 2px solid var(--border-hi);
  padding: 12px 16px; margin: 20px 0;
  background: var(--bg2); border-radius: 0 4px 4px 0;
}
.callout.warn { border-left-color: var(--amber); background: var(--amber-dim); }
.callout.tip  { border-left-color: var(--green); background: var(--green-dim); }
.callout.info { border-left-color: var(--blue);  background: var(--blue-dim); }
.callout-label {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 5px;
}
.callout.warn .callout-label { color: var(--amber); }
.callout.tip  .callout-label { color: var(--green); }
.callout.info .callout-label { color: var(--blue); }
.callout p { font-size: 13px; margin: 0; color: var(--fg); font-family: var(--mono); }

/*  TABLES  */
.feat-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 16px 0; }
.feat-table th {
  text-align: left; font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--subtle); padding: 0 12px 8px 0;
  border-bottom: 1px solid var(--border-mid);
}
.feat-table td {
  padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted); vertical-align: top;
  font-family: var(--serif); font-size: 14px;
}
.feat-table td:first-child {
  font-family: var(--mono); font-size: 12px;
  color: var(--fg); font-weight: 500; white-space: nowrap;
}
.feat-table tr:last-child td { border-bottom: none; }
.feat-table tr:hover td { background: var(--bg2); }

/*  PROP TABLE (API reference)  */
.prop-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 16px 0; }
.prop-table th {
  text-align: left; font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--subtle); padding: 0 12px 8px 0;
  border-bottom: 1px solid var(--border-mid);
}
.prop-table td {
  padding: 8px 12px 8px 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top; font-size: 13px;
}
.prop-table td:first-child { font-family: var(--mono); font-size: 12px; color: var(--fg); white-space: nowrap; }
.prop-table td:nth-child(2) { font-family: var(--mono); font-size: 11px; color: var(--blue); white-space: nowrap; }
.prop-table td:nth-child(3) { font-family: var(--mono); font-size: 11px; color: var(--amber); }
.prop-table td:nth-child(4) { color: var(--muted); font-family: var(--serif); font-size: 13px; }
.prop-table tr:last-child td { border-bottom: none; }
.prop-table tr:hover td { background: var(--bg2); }

/*  STRATEGY GRID  */
.strategy-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border-mid);
  border: 1px solid var(--border-mid);
  border-radius: 6px; overflow: hidden; margin: 20px 0;
}
.strategy-card { background: var(--bg); padding: 18px; transition: background 0.1s; }
.strategy-card:hover { background: var(--bg2); }
.strategy-name {
  font-size: 13px; font-weight: 600; color: var(--fg);
  margin-bottom: 6px; display: flex; align-items: center; gap: 8px;
}
.strategy-impl {
  display: inline-block; font-size: 11px; color: var(--muted);
  background: var(--bg3); border: 1px solid var(--border-mid);
  padding: 2px 7px; border-radius: 3px; margin-bottom: 8px;
}
.strategy-range { font-size: 11px; color: var(--subtle); margin-bottom: 6px; }
.strategy-desc { font-size: 13px; color: var(--muted); line-height: 1.5; font-family: var(--serif); }

.badge {
  font-size: 10px; font-weight: 500;
  padding: 1px 6px; border-radius: 3px; font-family: var(--mono);
}
.b-o1    { background: var(--green-dim);  color: var(--green); }
.b-ologn { background: var(--amber-dim);  color: var(--amber); }
.b-on    { background: #2a1515;           color: #e05c5c; }
.b-oinf  { background: var(--purple-dim); color: var(--purple); }

/*  RESULT OBJECT  */
.result-obj {
  background: var(--code-bg); border: 1px solid var(--border-mid);
  border-radius: 6px; padding: 18px 20px;
  font-family: var(--mono); font-size: 12.5px;
  line-height: 1.9; margin: 20px 0;
}
.ro-key   { color: var(--muted); }
.ro-num   { color: var(--amber); }
.ro-bool  { color: var(--blue); }
.ro-str   { color: var(--green); }
.ro-val   { color: var(--fg); }
.ro-type  { color: var(--subtle); }
.ro-cmt   { color: var(--subtle); font-style: italic; margin-left: 8px; }

/*  BENCHMARKS  */
.bench { margin: 20px 0; }
.bench-row {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.bench-row:first-child { border-top: 1px solid var(--border); }
.bench-name { font-size: 12px; color: var(--fg); width: 200px; flex-shrink: 0; }
.bench-bars { flex: 1; display: flex; flex-direction: column; gap: 5px; }
.bench-bar-row { display: flex; align-items: center; gap: 8px; }
.bench-who { font-size: 11px; color: var(--subtle); width: 32px; text-align: right; flex-shrink: 0; }
.bench-track { flex: 1; height: 5px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
.bench-fill { height: 100%; border-radius: 2px; }
.bench-val { font-size: 11px; color: var(--muted); width: 80px; flex-shrink: 0; }

/*  EVENT BADGES  */
.event-list { display: flex; flex-direction: column; gap: 1px; margin: 16px 0; }
.event-row {
  display: flex; align-items: baseline; gap: 12px;
  padding: 9px 12px; background: var(--bg2);
  border: 1px solid var(--border); border-radius: 4px;
}
.event-row:first-child { border-radius: 4px 4px 0 0; }
.event-row:last-child  { border-radius: 0 0 4px 4px; }
.event-row + .event-row { border-top: none; }
.event-name { font-size: 12px; color: var(--fg); font-weight: 500; min-width: 280px; }
.event-when { font-size: 13px; color: var(--muted); font-family: var(--serif); }

/*  ENUM CHIPS  */
.enum-grid { display: flex; flex-direction: column; gap: 1px; margin: 16px 0; }
.enum-row {
  display: grid; grid-template-columns: 160px 60px 1fr;
  gap: 16px; align-items: baseline;
  padding: 9px 12px; background: var(--bg2);
  border: 1px solid var(--border); font-size: 13px;
}
.enum-row:first-child { border-radius: 4px 4px 0 0; }
.enum-row:last-child  { border-radius: 0 0 4px 4px; }
.enum-row + .enum-row { border-top: none; }
.enum-name { font-family: var(--mono); font-size: 12px; color: var(--fg); }
.enum-val  { font-family: var(--mono); font-size: 11px; color: var(--amber); }
.enum-desc { color: var(--muted); font-family: var(--serif); }

/*  FAQ  */
details { border-top: 1px solid var(--border); padding: 14px 0; }
details:last-of-type { border-bottom: 1px solid var(--border); }
summary {
  font-size: 14px; font-weight: 500; color: var(--fg);
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; user-select: none;
}
summary::-webkit-details-marker { display: none; }
.faq-icon {
  font-size: 18px; color: var(--subtle); line-height: 1;
  transition: transform 0.2s; flex-shrink: 0; font-weight: 300;
}
details[open] .faq-icon { transform: rotate(45deg); color: var(--fg); }
.faq-body { padding-top: 10px; }
.faq-body p { font-size: 14px; font-family: var(--serif); color: var(--muted); margin: 0; line-height: 1.7; }

/*  NAMESPACE PILL  */
.ns {
  font-size: 11px; color: var(--subtle);
  background: var(--bg3); border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 3px; display: inline-block; margin-bottom: 14px;
}

/*  SECTION ANCHOR  */
.section-anchor {
  font-size: 11px; color: var(--subtle); margin-left: 6px;
  opacity: 0; transition: opacity 0.15s;
  text-decoration: none;
}
h2:hover .section-anchor { opacity: 1; }

/*  FOOTER  */
footer {
  border-top: 1px solid var(--border);
  padding: 20px 48px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--subtle);
}
footer a { color: var(--muted); }
footer a:hover { color: var(--fg); }
.footer-links { display: flex; gap: 16px; }

/*  RESPONSIVE  */
@media (max-width: 780px) {
  .page { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .section { padding: 36px 20px; min-width: unset;}
  .strategy-grid { grid-template-columns: 1fr; }
  .bench-name { width: 120px; font-size: 11px; }
  .enum-row { grid-template-columns: 1fr; gap: 4px; }
  footer { flex-direction: column; gap: 10px; text-align: center; }
  nav .nav-links { display: none; }
}