:root {
  --bg:        #0a0c10;
  --bg-raise:  #0f131a;
  --surface:   #14181f;
  --surface-2: #1a1f28;
  --line:      #242b36;
  --line-soft: #1b212a;
  --text:      #e9edf3;
  --text-dim:  #a3adbd;
  --text-mute: #78839a;
  --accent:     #81C784;
  --accent-hi:  color-mix(in srgb, var(--accent) 70%, #ffffff);
  --accent-dim: color-mix(in srgb, var(--accent) 12%, transparent);
  --accent-line: color-mix(in srgb, var(--accent) 45%, transparent);
  --syn-key: #ff7b72;
  --syn-str: #a5d6ff;
  --syn-num: #79c0ff;
  --syn-fn:  #d2a8ff;
  --syn-com: #8b949e;
  --syn-ok:  #81C784;
  --syn-warn:#e3b341;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Mono", Menlo, Consolas,
          "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 1120px;
  --prose: 68ch;
  --r: 12px;
  --r-lg: 18px;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0 0 auto 0; height: 620px;
  background: radial-gradient(120% 100% at 50% -20%, rgba(129,199,132,0.10), transparent 62%);
  pointer-events: none; z-index: 0;
}
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.hero-grid > *, .grid > *, .doc-layout > *, .steps > *, .tiers > *,
.footer-inner > *, .cta-row > *, .center-page > * { min-width: 0; max-width: 100%; }
.term, .table-scroll, .prose, .card { min-width: 0; max-width: 100%; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hi); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #08110a; padding: 12px 18px; font-weight: 600;
  border-radius: 0 0 var(--r) 0;
}
.skip:focus { left: 0; }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.5em; font-weight: 650; }
h1 { font-size: clamp(2rem, 7vw, 3.5rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.5rem, 4.5vw, 2.1rem); }
h3 { font-size: 1.18rem; }
p  { margin: 0 0 1.1em; }
code, kbd, samp, pre { font-family: var(--mono); }
:not(pre) > code {
  background: var(--surface-2); border: 1px solid var(--line-soft);
  padding: 0.12em 0.4em; border-radius: 6px; font-size: 0.87em;
  overflow-wrap: break-word;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 12, 16, 0.82);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 640; margin-right: auto; }
.brand-mark { width: 28px; height: 28px; flex: none; border-radius: 8px; }
.brand-name { letter-spacing: -0.02em; font-size: 1.02rem; }
.nav-toggle {
  display: inline-grid; place-items: center; width: 42px; height: 42px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; padding: 0;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 17px; height: 2px; border-radius: 2px; background: var(--text);
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after  { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after  { transform: translateY(-6px) rotate(-45deg); }
.nav { display: none; width: 100%; flex-direction: column; padding-bottom: 10px; }
.nav.open { display: flex; }
.navlink {
  color: var(--text-dim); text-decoration: none; font-size: 0.96rem;
  padding: 10px 4px; border-bottom: 1px solid var(--line-soft);
}
.navlink:hover { color: var(--text); }
.brand-crumb {
  color: var(--text-mute); text-decoration: none; font-size: 0.8rem;
  padding: 8px 6px; margin-left: 2px; align-self: center; white-space: nowrap;
}
.brand-crumb:hover { color: var(--text-dim); }
.navlink[aria-current="page"] { color: var(--accent); }
@media (min-width: 720px) {
  .nav-toggle { display: none; }
  .nav { display: flex; flex-direction: row; width: auto; gap: 6px; padding: 0; }
  .navlink { padding: 8px 12px; border: 0; border-radius: 8px; }
  .navlink:hover { background: var(--surface); }
}
section { position: relative; z-index: 1; }
.band { padding: 56px 0; }
.band + .band { border-top: 1px solid var(--line-soft); }
@media (min-width: 900px) { .band { padding: 84px 0; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-dim);
  border: 1px solid rgba(129,199,132,0.22); border-radius: 999px; padding: 5px 12px;
  margin-bottom: 18px;
}
.lede { font-size: clamp(1.03rem, 2.4vw, 1.22rem); color: var(--text-dim); max-width: var(--prose); }
.section-head { max-width: var(--prose); margin-bottom: 34px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 50px; padding: 13px 22px; border-radius: 11px;
  font-weight: 620; font-size: 1rem; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}
.btn-primary { background: var(--accent); color: #07130a; }
.btn-primary:hover { background: var(--accent-hi); color: #07130a; }
.btn-ghost { background: var(--surface); border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); background: var(--surface-2); }
.btn[aria-disabled="true"] { cursor: default; opacity: 1; }
.btn:has(.btn-sub) { flex-direction: column; gap: 2px; padding-block: 11px; line-height: 1.3; }
.btn-sub { display: block; font-size: 0.72rem; font-weight: 500; opacity: 0.75; letter-spacing: 0.02em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.cta-row .btn { flex: 1 1 auto; min-width: 210px; }
@media (min-width: 560px) { .cta-row .btn { flex: 0 0 auto; } }
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 24px; position: relative;
}
.card h3 { margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--text-dim); font-size: 0.96rem; }
.card-icon {
  width: 34px; height: 34px; flex: none; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent-dim); color: var(--accent);
  font-family: var(--mono); font-size: 0.95rem; font-weight: 700;
}
.term {
  background: #0d1117; border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}
.term-bar {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  background: var(--surface-2); border-bottom: 1px solid var(--line);
}
.term-dot { width: 11px; height: 11px; border-radius: 50%; background: #30363d; flex: none; }
.term-title {
  font-family: var(--mono); font-size: 0.76rem; color: var(--text-dim);
  margin-left: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.term-body { margin: 0; padding: 16px; overflow-x: auto; font-size: 0.8rem; line-height: 1.75; }
@media (min-width: 700px) { .term-body { font-size: 0.86rem; padding: 20px; } }
.term-body code { white-space: pre; display: block; }
.c-key  { color: var(--syn-key); }
.c-str  { color: var(--syn-str); }
.c-num  { color: var(--syn-num); }
.c-fn   { color: var(--syn-fn); }
.c-com  { color: var(--syn-com); }
.c-ok   { color: var(--syn-ok); }
.c-warn { color: var(--syn-warn); }
.c-dim  { color: var(--text-mute); }
.figure-note {
  font-size: 0.8rem; color: var(--text-mute); margin-top: 10px; text-align: center;
  font-style: italic;
}
.hero { padding: 48px 0 8px; position: relative; z-index: 1; }
@media (min-width: 900px) { .hero { padding: 84px 0 16px; } }
.hero h1 { margin-bottom: 20px; text-wrap: balance; }
.hero .lede { font-size: clamp(1.06rem, 2.6vw, 1.3rem); }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 1000px) { .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 48px; } }
.trust {
  display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 28px;
  font-size: 0.85rem; color: var(--text-mute); font-family: var(--mono);
}
.trust span { display: inline-flex; align-items: center; gap: 7px; }
.trust span::before { content: "✓"; color: var(--accent); font-weight: 700; }
.steps { counter-reset: step; display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  background: var(--accent-dim); color: var(--accent);
  font-family: var(--mono); font-weight: 700; font-size: 0.9rem; margin-bottom: 14px;
}
.step h3 { font-size: 1.05rem; }
.step p { color: var(--text-dim); font-size: 0.94rem; margin: 0; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 540px; font-size: 0.93rem; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
thead th { background: var(--surface-2); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-mute); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td.yes { color: var(--accent); font-weight: 600; }
td.no  { color: var(--text-mute); }
caption { caption-side: bottom; padding: 12px 16px; font-size: 0.82rem; color: var(--text-mute); text-align: left; }
.tiers { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 880px) { .tiers { grid-template-columns: repeat(3, 1fr); } }
.tier { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px; display: flex; flex-direction: column; }
.tier-featured { border-color: var(--accent-line); background: linear-gradient(180deg, var(--accent-dim), var(--surface) 120px); }
.tier h3 { font-size: 1.3rem; margin-bottom: 4px; }
.tier .tier-for { color: var(--text-mute); font-size: 0.88rem; margin-bottom: 18px; }
.tier ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.tier li { position: relative; padding-left: 26px; font-size: 0.94rem; color: var(--text-dim); }
.tier li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.tier-tag {
  display: inline-block; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--accent); border: 1px solid rgba(129,199,132,0.3);
  border-radius: 999px; padding: 3px 9px; margin-bottom: 12px;
}
.faq { border-top: 1px solid var(--line-soft); }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary {
  cursor: pointer; padding: 18px 40px 18px 0; font-weight: 600; position: relative;
  list-style: none; font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-family: var(--mono); font-size: 1.4rem; line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding-bottom: 20px; color: var(--text-dim); max-width: var(--prose); }
.faq details > div > p:last-child { margin-bottom: 0; }
.prose { max-width: var(--prose); }
.prose h2 { margin-top: 2em; padding-top: 0.4em; }
.prose h3 { margin-top: 1.8em; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.1em; }
.prose li { margin-bottom: 0.5em; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.2em 0; }
.prose blockquote {
  margin: 0 0 1.2em; padding: 14px 18px; border-left: 3px solid var(--accent);
  background: var(--surface); border-radius: 0 var(--r) var(--r) 0; color: var(--text-dim);
}
.prose blockquote p:last-child { margin-bottom: 0; }
.page-head { padding: 40px 0 8px; }
@media (min-width: 900px) { .page-head { padding: 64px 0 8px; } }
.dateline { font-family: var(--mono); font-size: 0.82rem; color: var(--text-mute); margin-bottom: 2em; }
.notice {
  border: 1px solid rgba(227,179,65,0.32); background: rgba(227,179,65,0.07);
  border-radius: var(--r); padding: 16px 18px; margin-bottom: 28px; font-size: 0.93rem;
  color: var(--text-dim);
}
.notice strong { color: var(--syn-warn); }
.notice p:last-child { margin-bottom: 0; }
.callout {
  border: 1px solid var(--line); background: var(--surface); border-radius: var(--r);
  padding: 16px 18px; margin: 0 0 24px; font-size: 0.93rem; color: var(--text-dim);
}
.callout p:last-child { margin-bottom: 0; }
.doc-layout { display: grid; gap: 32px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 1000px) { .doc-layout { grid-template-columns: 220px 1fr; gap: 48px; } }
.toc { position: static; font-size: 0.92rem; }
@media (min-width: 1000px) { .toc { position: sticky; top: 84px; } }
.toc h2 { font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 12px; }
.toc a { display: block; padding: 6px 0; color: var(--text-dim); text-decoration: none; border-left: 2px solid var(--line); padding-left: 14px; }
.toc a:hover { color: var(--accent); border-color: var(--accent); }
.bench-status { font-family: var(--mono); font-size: 0.86rem; color: var(--text-mute); padding: 28px 16px; text-align: center; }
th[aria-sort] { cursor: pointer; user-select: none; }
th[aria-sort]::after { content: " ↕"; opacity: 0.35; }
th[aria-sort="ascending"]::after  { content: " ↑"; opacity: 1; color: var(--accent); }
th[aria-sort="descending"]::after { content: " ↓"; opacity: 1; color: var(--accent); }
.pill { display: inline-block; font-family: var(--mono); font-size: 0.72rem; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--text-mute); }
.pill-ok { color: var(--accent); border-color: rgba(129,199,132,0.35); background: var(--accent-dim); }
.api-status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 0.86rem; color: var(--text-dim); }
.api-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-mute); flex: none; }
.api-dot.up { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.api-dot.down { background: var(--syn-key); box-shadow: 0 0 0 3px rgba(255,123,114,0.15); }
.site-footer { border-top: 1px solid var(--line-soft); background: var(--bg-raise); margin-top: 40px; position: relative; z-index: 1; }
.footer-inner { display: grid; gap: 30px; padding-top: 48px; padding-bottom: 30px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .footer-inner { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 940px) { .footer-inner { grid-template-columns: 1.5fr repeat(3, 1fr); } }
.footer-brand { display: flex; gap: 12px; align-items: flex-start; }
.footer-brand .brand-mark { width: 34px; height: 34px; }
.footer-brand p { color: var(--text-mute); font-size: 0.92rem; margin: 0; }
.footer-brand strong { color: var(--text); }
.footer-nav { display: flex; flex-direction: column; gap: 9px; }
.footer-nav h2 { font-size: 0.75rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-mute); margin: 0 0 4px; }
.footer-nav a { color: var(--text-dim); text-decoration: none; font-size: 0.93rem; }
.footer-nav a:hover { color: var(--accent); }
.footer-base { border-top: 1px solid var(--line-soft); padding-top: 22px; padding-bottom: 40px; }
.footer-base p { font-size: 0.85rem; color: var(--text-mute); margin: 0 0 6px; }
.footer-note { max-width: 70ch; font-size: 0.8rem; }
.center-page { min-height: 52vh; display: grid; place-items: center; text-align: center; padding: 60px 0; }
.center-page .term { text-align: left; max-width: 480px; margin: 0 auto 28px; }