/* Site fonts — self-hosted at the site root; the docs live under /docs on the same domain */
@font-face { font-family: 'Chakra Petch'; font-style: normal; font-weight: 600; font-display: swap; src: url('/fonts/chakra-6.woff2') format('woff2'); }
@font-face { font-family: 'Chakra Petch'; font-style: normal; font-weight: 700; font-display: swap; src: url('/fonts/chakra-7.woff2') format('woff2'); }
@font-face { font-family: 'Bricolage Grotesque'; font-style: normal; font-weight: 400 800; font-display: swap; src: url('/fonts/bricolage.woff2') format('woff2'); }
@font-face { font-family: 'Spline Sans Mono'; font-style: normal; font-weight: 400 700; font-display: swap; src: url('/fonts/spline.woff2') format('woff2'); }

/* =========================================================
   HYPERFLOW DOCS — tokens lifted from Design System.html
   ========================================================= */
:root {
  --bg:          #FAFBFB;
  --surface:     #FAFBFB;
  --surface-2:   #FFFFFF;
  --ink:         #0B0F12;
  --ink-2:       #46504C;
  --ink-3:       #8A938F;
  --rule:        #E8ECEA;
  --rule-2:      #F1F4F2;
  --accent:      #0FA98F;
  --accent-2:    #0B7E6B;
  --accent-soft: #E2F5F0;
  --code-bg:     #0B1325;
  --code-bg-2:   #0F1A33;
  --gutter:      clamp(20px,4vw,56px);
  --max-w:       1280px;
  --header-h:    72px;
}

*,*::before,*::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body { margin:0; background: var(--surface); color: var(--ink); font-family:'Bricolage Grotesque',system-ui,-apple-system,sans-serif; line-height:1.55; }
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote { margin:0; }
ul,ol { padding:0; list-style:none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border:0; background: transparent; color: inherit; padding:0; }
img { display:block; max-width:100%; height:auto; }
input, textarea { font: inherit; }
code { font-family:'Spline Sans Mono',monospace; font-size: .92em; color: var(--ink); }
em { font-style: normal; }
em.accent { color: var(--accent); font-weight: inherit; }


/* Site typography: display face on headings, matching hyperflowlabs.com */
h1, h2, h3, .display { font-family: 'Chakra Petch', system-ui, sans-serif; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky; top:0; z-index: 50;
  background: rgba(250,251,251,.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule);
}

/* Row 1 — main-site nav (mirrors hyperflowlabs.com's header) */
.topnav { border-bottom: 1px solid var(--rule); }
.topnav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
}
.topnav-links { display: flex; gap: 28px; font-size: 14px; font-weight: 500; color: var(--ink-2); }
.topnav-links a { transition: color .15s; }
.topnav-links a:hover { color: var(--ink); }
.topnav-links a.is-active { color: var(--ink); font-weight: 600; }
.topnav-right { display: inline-flex; align-items: center; gap: 18px; }
.topnav-signin { font-size: 14px; font-weight: 500; color: var(--ink-2); transition: color .15s; }
.topnav-signin:hover { color: var(--ink); }
.topnav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: #fff;
  background: var(--accent); border-radius: 999px; padding: 10px 18px;
  transition: background .15s, transform .15s, box-shadow .15s;
}
.topnav-cta:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(15,169,143,.32); }

/* Row 2 — docs section tabs */
.site-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 48px;
  display: flex; align-items: center; gap: 28px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px; letter-spacing: -.018em;
  color: var(--ink); white-space: nowrap;
}
.brand-mark { width: 22px; height: 22px; color: var(--ink); flex-shrink: 0; }
.brand-word { text-transform: lowercase; }
.brand-sep { width: 1px; height: 18px; background: var(--rule); display: inline-block; }
.brand-product { font-family:'Spline Sans Mono',monospace; font-size: 11px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }

.tabs {
  display: flex; gap: 4px; flex: 1;
  margin-left: 8px;
}
.tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px;
  font-family: 'Spline Sans Mono', monospace;
  font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-2);
  transition: color .15s, background .15s, border-color .15s;
  border: 1px solid transparent;
}
.tab:hover { color: var(--ink); background: rgba(255,255,255,.5); }
.tab[aria-selected="true"] {
  color: var(--ink); background: var(--surface-2);
  border-color: var(--rule);
}
.tab-n { color: var(--ink-3); font-weight: 500; font-size: 10px; }
.tab[aria-selected="true"] .tab-n { color: var(--accent); }

.header-right { display: inline-flex; align-items: center; gap: 14px; margin-left: auto; }
.version-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: 'Spline Sans Mono', monospace;
  font-size: 11px; letter-spacing: .06em;
  color: var(--ink-2);
  background: var(--surface-2);
  padding: 5px 11px;
  border: 1px solid var(--rule);
  border-radius: 999px;
}
.version-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34,197,94,.18);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 3px rgba(34,197,94,.18); }
  50%     { box-shadow: 0 0 0 5px rgba(34,197,94,.06); }
}
.icon-link {
  display: inline-flex; width: 32px; height: 32px;
  align-items: center; justify-content: center;
  color: var(--ink-2); border-radius: 8px; transition: color .15s, background .15s;
}
.icon-link:hover { color: var(--ink); background: var(--surface-2); }

.mobile-menu-btn {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  color: var(--ink); border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--surface-2);
}

.mobile-nav {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px var(--gutter) 16px;
  border-top: 1px solid var(--rule);
  background: var(--surface-2);
}
.mob-tab {
  text-align: left;
  font-family: 'Spline Sans Mono', monospace;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-2);
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--rule);
}
.mob-tab[aria-selected="true"] { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }


/* =========================================================
   PAGES + COMMON
   ========================================================= */
.page { display: block; }
.page[hidden] { display: none; }

.block { padding: 80px 0; border-top: 1px solid var(--rule); }
.block:first-child { border-top: 0; }
.block.alt { background: var(--bg); }
.block-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }

.section-head { margin-bottom: 36px; display: grid; grid-template-columns: 1fr; gap: 14px; align-items: end; }
@media (min-width: 880px) { .section-head { grid-template-columns: auto 1fr; gap: 56px; } }
.section-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3);
  white-space: nowrap;
}
.section-tag::before { content:""; width: 16px; height: 1px; background: var(--ink-3); }
.section-head h2 { font-weight: 700; font-size: clamp(28px,3.4vw,44px); line-height: 1.04; letter-spacing: -.025em; text-wrap: balance; }
.section-lede { color: var(--ink-2); font-size: 16px; line-height: 1.55; max-width: 56ch; margin-top: 14px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  padding: 6px 12px; border-radius: 999px; font-weight: 500;
}

.breadcrumb {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 18px;
  display: inline-flex; align-items: center; gap: 8px;
}
.bc-sep { color: var(--ink-3); }
.bc-here { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 500; font-size: 15px; letter-spacing: -.005em;
  padding: 13px 22px; border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s, color .15s, border-color .15s;
  white-space: nowrap; cursor: pointer;
}
.btn-primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-primary:hover { background: #142e4f; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(10,37,64,.18); }
.btn-accent  { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(99,91,255,.32); }
.btn-ghost   { background: var(--surface-2); color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { border-color: var(--ink-3); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* =========================================================
   HERO (Welcome)
   ========================================================= */
.hero { background: var(--surface-2); border-bottom: 1px solid var(--rule); padding: 72px 0 80px; }
.hero-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1fr; gap: 48px; align-items: start;
}
@media (min-width: 1024px) { .hero-inner { grid-template-columns: 1.35fr 1fr; gap: 64px; } }

.display {
  font-weight: 700;
  font-size: clamp(36px, 5.4vw, 72px);
  line-height: .98; letter-spacing: -.035em;
  margin-top: 22px; text-wrap: balance;
}
.lede {
  color: var(--ink-2); font-size: 18px; line-height: 1.55;
  max-width: 56ch; margin-top: 22px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 30px 60px -20px rgba(10,37,64,.08);
}
.hc-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3);
  padding-bottom: 12px; border-bottom: 1px solid var(--rule);
  margin-bottom: 14px;
}
.hc-status { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-2); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,.18); }
.endpoint-row {
  display: flex; align-items: center; gap: 8px;
  background: var(--code-bg);
  border-radius: 10px;
  padding: 12px 12px 12px 14px;
  margin-bottom: 14px;
}
.endpoint-url {
  flex: 1;
  font-family:'Spline Sans Mono',monospace;
  font-size: 12.5px;
  color: #99E8DB;
  white-space: nowrap; overflow-x: auto;
  letter-spacing: .01em;
}
.copy-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px;
  color: #99E8DB; background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  transition: background .15s, color .15s;
  flex-shrink: 0;
}
.copy-btn:hover { background: rgba(255,255,255,.10); color: #fff; }
.copy-btn.copied { color: #4ade80; }

.hc-meta { display: flex; flex-direction: column; gap: 0; }
.hc-meta li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 0;
  border-top: 1px dashed var(--rule);
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .04em;
}
.hc-meta li:first-child { border-top: 0; }
.hc-meta li span { color: var(--ink-3); text-transform: uppercase; letter-spacing: .12em; font-size: 10.5px; }
.hc-meta li b { color: var(--ink); font-weight: 600; }

/* =========================================================
   METRIC BAND
   ========================================================= */
.band { background: var(--bg); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.band-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
.metric-grid {
  display: grid; grid-template-columns: 1fr;
  background: var(--surface-2);
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
}
@media (min-width: 720px) { .metric-grid { grid-template-columns: repeat(3,1fr); } }
.metric {
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 8px;
  border-right: 0;
  border-bottom: 1px solid var(--rule);
}
.metric:last-child { border-bottom: 0; }
@media (min-width: 720px) {
  .metric { border-bottom: 0; border-right: 1px solid var(--rule); }
  .metric:last-child { border-right: 0; }
}
.metric .num { font-weight: 700; font-size: clamp(36px, 4.4vw, 52px); line-height: 1; letter-spacing: -.04em; }
.metric .num small { color: var(--accent); font-size: .55em; margin-left: 2px; font-weight: 700; }
.metric .m-lbl {
  color: var(--ink-2); font-size: 11.5px;
  font-family:'Spline Sans Mono',monospace; letter-spacing: .06em;
  text-transform: uppercase;
}

/* =========================================================
   CAPABILITY CARDS
   ========================================================= */
.cap-grid {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
@media (min-width: 720px)  { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cap-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; } }

.cap-card {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 16px; padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.cap-card:hover { border-color: rgba(99,91,255,.28); box-shadow: 0 16px 40px -12px rgba(99,91,255,.14); }
.cap-ico {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
}
.cap-ico svg { width: 22px; height: 22px; }
.cap-n {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em;
  color: var(--ink-3); font-weight: 500;
}
.cap-card h3 { font-size: 17px; font-weight: 600; letter-spacing: -.018em; line-height: 1.2; }
.cap-card p  { color: var(--ink-2); font-size: 13.5px; line-height: 1.55; }

/* =========================================================
   DOMAIN GRID
   ========================================================= */
.domain-grid {
  display: grid; grid-template-columns: 1fr; gap: 10px;
}
@media (min-width: 720px)  { .domain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .domain-grid { grid-template-columns: repeat(3, 1fr); } }
.domain-grid li {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 4px;
}
.dom-n {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12px; font-weight: 600; letter-spacing: 0; color: var(--ink);
}
.dom-d { color: var(--ink-2); font-size: 13.5px; line-height: 1.45; }

/* =========================================================
   NAV CARDS (between-page links)
   ========================================================= */
.nav-cards {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
@media (min-width: 720px) { .nav-cards { grid-template-columns: 1fr 1fr; } }
.nav-card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 18px;
  padding: 32px;
  transition: border-color .15s, box-shadow .15s, transform .15s;
  cursor: pointer;
}
.nav-card:hover {
  border-color: rgba(99,91,255,.32);
  box-shadow: 0 16px 40px -12px rgba(99,91,255,.18);
  transform: translateY(-2px);
}
.nav-card-step {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}
.nav-card h3 { font-size: 22px; font-weight: 600; letter-spacing: -.02em; line-height: 1.18; }
.nav-card p  { color: var(--ink-2); font-size: 15px; line-height: 1.55; }
.nav-card-cta {
  margin-top: 12px;
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500; font-size: 14px; color: var(--ink);
}
.nav-card:hover .nav-card-cta { color: var(--accent); }
.nav-card .arrow { transition: transform .2s; }
.nav-card:hover .arrow { transform: translateX(4px); }


/* Plain-English depth ladder (welcome) */
.ladder { margin: 34px 0; padding: 22px 24px; background: var(--surface-2); border: 1px solid var(--rule); border-radius: 14px; }
.ladder-lbl { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 10px; }
.ladder code { display: block; font-size: 13.5px; color: var(--accent); background: var(--accent-soft); border-radius: 8px; padding: 10px 14px; overflow-x: auto; white-space: nowrap; }
.ladder p { margin-top: 12px; font-size: 14px; color: var(--ink-2); max-width: 70ch; }

/* Plain welcome — deliberately undesigned */
.plain { max-width: 820px; padding: 36px 0 8px; }
.plain h1 { font-size: 30px; margin-bottom: 12px; }
.plain h2 { font-size: 19px; margin: 30px 0 10px; }
.plain p { font-size: 14.5px; line-height: 1.65; color: var(--ink-2); margin-bottom: 10px; }
.plain ul { list-style: disc; padding-left: 22px; margin: 8px 0 14px; }
.plain li { font-size: 14px; line-height: 1.7; color: var(--ink-2); margin-bottom: 6px; }
.plain b { color: var(--ink); }
.plain a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.plain pre.code { background: var(--code-bg); color: #d1fae5; border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-size: 12.5px; line-height: 1.6; margin: 10px 0 14px; }
.plain pre.code code { color: inherit; font-size: inherit; }
.v-tag { display: inline-flex; align-items: center; gap: 7px; vertical-align: middle; margin-left: 12px; font-family: 'Spline Sans Mono', monospace; font-size: 12px; font-weight: 500; letter-spacing: .05em; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--rule); border-radius: 999px; padding: 4px 11px; }

/* =========================================================
   PAGE HEAD (Getting Started + Schema)
   ========================================================= */
.page-head { background: var(--surface-2); border-bottom: 1px solid var(--rule); padding: 64px 0 56px; }
.page-head-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
.page-title {
  font-weight: 700;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.02; letter-spacing: -.03em;
  text-wrap: balance;
}
.page-lede { color: var(--ink-2); font-size: 18px; line-height: 1.55; max-width: 60ch; margin-top: 16px; }

/* Step rail */
.step-rail {
  display: grid; grid-template-columns: 1fr; gap: 12px;
  margin-top: 36px;
  border-top: 1px solid var(--rule); padding-top: 24px;
}
@media (min-width: 720px) { .step-rail { grid-template-columns: repeat(2, 1fr); gap: 0; max-width: 680px; margin-inline: auto; } }
.step-rail li {
  display: grid; grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px; row-gap: 2px;
  padding: 4px 0;
}
@media (min-width: 720px) { .step-rail li { padding: 0 24px; border-left: 1px solid var(--rule); }
.step-rail li:first-child { padding-left: 0; border-left: 0; } }
.sr-n {
  grid-row: 1 / 3;
  font-family:'Spline Sans Mono',monospace;
  font-size: 13px; font-weight: 600;
  letter-spacing: .04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 10px; border-radius: 8px;
  align-self: start;
}
.step-rail li b { font-weight: 600; font-size: 16px; letter-spacing: -.012em; }
.sr-d { color: var(--ink-2); font-size: 13.5px; }

/* =========================================================
   ENDPOINT TABLE (chains)
   ========================================================= */
.endpoint-table {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 16px;
  overflow: hidden;
}
.ep-row {
  display: grid; grid-template-columns: 1.2fr 2.2fr 2.2fr 0.7fr;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-top: 1px solid var(--rule);
  font-size: 13.5px;
}
.ep-row:first-child { border-top: 0; }
.ep-head {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3);
  background: var(--bg);
  padding: 12px 20px;
}
.ep-chain { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }
.chain-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.ep-row code {
  font-family:'Spline Sans Mono',monospace; font-size: 12px;
  color: var(--ink-2); background: var(--bg);
  padding: 6px 10px; border-radius: 6px;
  display: inline-block; max-width: 100%; overflow-x: auto;
  white-space: nowrap;
}
.ep-stat {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 6px;
  text-align: center;
  display: inline-block; justify-self: start;
}
.ep-stat.live { color: #047857; background: #d1fae5; }
.ep-stat.beta { color: var(--accent); background: var(--accent-soft); }
.ep-stat.soon { color: var(--ink-2); background: var(--bg); }

/* =========================================================
   ACCESS CARD (Getting Started · Step 02)
   ========================================================= */
.access-card {
  display: grid; grid-template-columns: 1fr; gap: 0;
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 18px;
  overflow: hidden;
}
@media (min-width: 880px) {
  .access-card { grid-template-columns: 1.1fr 1fr; }
}

.access-points {
  padding: 32px;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 880px) {
  .access-points { border-bottom: 0; border-right: 1px solid var(--rule); }
}
.access-points h3 {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 600;
  margin-bottom: 14px;
}
.access-points ul { display: flex; flex-direction: column; gap: 0; }
.access-points li {
  display: grid; grid-template-columns: 18px 1fr; gap: 14px;
  align-items: start;
  padding: 12px 0;
  border-top: 1px dashed var(--rule);
  font-size: 14.5px; line-height: 1.5; color: var(--ink);
}
.access-points li:first-child { border-top: 0; }
.access-points li svg {
  color: var(--accent);
  margin-top: 4px;
  flex-shrink: 0;
}

.access-cta {
  padding: 32px;
  background: radial-gradient(ellipse at 75% 0%, var(--accent-soft) 0%, transparent 70%), var(--surface);
  display: flex; flex-direction: column; gap: 10px;
  justify-content: center;
}
.access-cta-eyebrow {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
}
.access-cta h3 {
  font-size: 28px; font-weight: 700; letter-spacing: -.025em;
  line-height: 1.05;
}
.access-cta p {
  color: var(--ink-2);
  font-size: 14.5px; line-height: 1.55;
  max-width: 38ch;
}
.access-cta .btn {
  align-self: flex-start;
  margin-top: 8px;
}
.access-points-cta {
  margin-top: 20px;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.access-points-cta svg { color: var(--accent); }
.access-cta-or {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .04em;
  color: var(--ink-3);
  margin-top: 4px;
}
.access-cta-or a { color: var(--ink-2); border-bottom: 1px dashed currentColor; }
.access-cta-or a:hover { color: var(--accent); }

/* =========================================================
   PLAYGROUND BANNER (Getting Started)
   ========================================================= */
.playground-band {
  padding: 32px 0 8px;
}
.playground-band .block-inner { padding: 0 var(--gutter); max-width: var(--max-w); margin: 0 auto; }

.playground-banner {
  position: relative;
  display: grid; grid-template-columns: 1fr; gap: 24px;
  align-items: center;
  background:
    radial-gradient(ellipse at 85% 30%, rgba(99,91,255,.35) 0%, transparent 55%),
    linear-gradient(135deg, #0A2540 0%, #142e4f 100%);
  color: #fff;
  border-radius: 18px;
  padding: 28px 32px;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  cursor: pointer;
}
.playground-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 90% 50%, #000 0%, transparent 60%);
  -webkit-mask-image: radial-gradient(ellipse at 90% 50%, #000 0%, transparent 60%);
  pointer-events: none;
}
.playground-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 60px -20px rgba(10,37,64,.4);
}
@media (min-width: 880px) {
  .playground-banner { grid-template-columns: 1fr auto; padding: 32px 40px; }
}
.pb-left { position: relative; z-index: 1; }
.pb-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.65);
  margin-bottom: 14px;
}
.pb-eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(74,222,128,.22);
}
.playground-banner h2 {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 700; letter-spacing: -.025em;
  line-height: 1.05;
  color: #fff;
  margin-bottom: 10px;
  text-wrap: balance;
}
.playground-banner h2 em.accent { color: #2DD4BF; }
.playground-banner p {
  color: rgba(255,255,255,.7);
  font-size: 15px; line-height: 1.55;
  max-width: 60ch;
}
.pb-cta {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; gap: 10px;
  align-items: flex-start;
}
@media (min-width: 880px) {
  .pb-cta { align-items: flex-end; flex-shrink: 0; }
}
.pb-cta-inner {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent);
  color: #fff;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  transition: background .15s, transform .15s, box-shadow .15s;
  box-shadow: 0 10px 24px -8px rgba(99,91,255,.6);
}
.playground-banner:hover .pb-cta-inner {
  background: var(--accent-2);
  box-shadow: 0 14px 30px -8px rgba(99,91,255,.7);
}
.pb-play { color: #fff; flex-shrink: 0; }
.pb-url {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px;
  color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.05);
  padding: 5px 10px;
  border-radius: 6px;
  letter-spacing: .02em;
}

/* =========================================================
   TRY IT BUTTON (Schema + Getting Started examples)
   ========================================================= */
.try-it {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .01em;
  padding: 5px 11px 5px 9px;
  border-radius: 7px;
  color: #fff;
  background: var(--accent);
  transition: background .15s, transform .15s, box-shadow .15s;
  margin-left: 6px;
  white-space: nowrap;
  cursor: pointer;
  border: 0;
}
.try-it:hover {
  background: var(--accent-2);
  box-shadow: 0 4px 10px -2px rgba(99,91,255,.5);
}
.try-it svg { width: 9px; height: 9px; color: #fff; }

@media (max-width: 900px) {
  .ep-head { display: none; }
  .ep-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 18px;
  }
}

/* =========================================================
   UNIFIED ENDPOINT (Getting Started Step 01)
   ========================================================= */
.unified-ep {
  display: grid; grid-template-columns: 1fr; gap: 10px;
  margin-bottom: 32px;
}
@media (min-width: 720px) { .unified-ep { grid-template-columns: 1fr 1fr; gap: 14px; } }
.unified-ep-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--code-bg);
  border-radius: 14px;
  padding: 14px 14px 14px 18px;
}
.unified-ep-lbl {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase;
  color: #8898AA;
  width: 50px;
}
.unified-ep-row code {
  flex: 1;
  min-width: 0;
  font-family:'Spline Sans Mono',monospace;
  font-size: 13px;
  color: #99E8DB;
  letter-spacing: .01em;
  background: transparent;
  white-space: nowrap;
  overflow-x: auto;
}

.chain-enum {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 22px 24px;
}
.chain-enum-head {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--rule);
}
.chain-enum-note {
  color: var(--ink-2);
  font-size: 13.5px;
}
.chain-enum-note code {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12.5px;
  color: var(--ink);
  background: var(--bg);
  padding: 2px 7px;
  border-radius: 4px;
}
.chain-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
}
@media (min-width: 720px)  { .chain-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .chain-grid { grid-template-columns: repeat(4, 1fr); } }
.chain-grid li {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 10px;
}
.chain-grid li b {
  flex: 1;
  font-family:'Spline Sans Mono',monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink);
}

/* =========================================================
   CODE FRAME
   ========================================================= */
.code-frame {
  background: var(--code-bg);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.06);
}
.code-frame.dark-mid { background: var(--code-bg-2); }
.code-head {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  position: relative;
}
.code-dots { display: flex; gap: 6px; flex-shrink: 0; }
.code-dots span { width: 9px; height: 9px; border-radius: 50%; }
.code-dots span:nth-child(1) { background: #ff5f56; }
.code-dots span:nth-child(2) { background: #ffbd2e; }
.code-dots span:nth-child(3) { background: #27c93f; }
.code-tabs {
  display: flex; gap: 4px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px;
}
.code-tab {
  padding: 4px 10px; border-radius: 6px;
  color: rgba(255,255,255,.42);
  letter-spacing: .02em;
  transition: color .15s, background .15s;
}
button.code-tab:hover { color: rgba(255,255,255,.7); }
.code-tab.is-on { color: #fff; background: rgba(255,255,255,.07); }
.code-copy {
  margin-left: auto;
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.55);
  padding: 4px 10px; border-radius: 6px;
  transition: color .15s, background .15s;
}
.code-copy:hover { color: #fff; background: rgba(255,255,255,.08); }
.code-copy.copied { color: #4ade80; }

.live-chip {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: #4ade80;
}
.live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(74,222,128,.2);
  animation: pulse-g 1.6s ease-in-out infinite;
}
@keyframes pulse-g {
  0%,100% { box-shadow: 0 0 0 3px rgba(74,222,128,.18); }
  50%     { box-shadow: 0 0 0 6px rgba(74,222,128,.04); }
}

pre.code {
  margin: 0;
  padding: 18px 20px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 12.5px;
  line-height: 1.7;
  color: #99E8DB;
  white-space: pre;
  overflow-x: auto;
  tab-size: 2;
}
pre.code code { color: inherit; font-size: inherit; background: transparent; padding: 0; }

/* Syntax tokens */
.c-cm  { color: #6b7280; font-style: italic; }
.c-kw  { color: #2DD4BF; }
.c-fn  { color: #60a5fa; }
.c-var { color: #fbbf24; }
.c-ty  { color: #34d399; }
.c-num { color: #f472b6; }
.c-str { color: #6ee7b7; }
.c-attr{ color: #93c5fd; }

/* =========================================================
   EXAMPLE BLOCK (Getting Started)
   ========================================================= */
.example {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.example:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.example-head {
  display: grid; grid-template-columns: auto 1fr;
  column-gap: 16px; row-gap: 6px;
  align-items: center;
  margin-bottom: 18px;
}
.example-kind {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 6px;
  font-weight: 600;
  white-space: nowrap;
}
.kind-query { color: var(--accent); background: var(--accent-soft); }
.kind-sub   { color: #047857; background: #d1fae5; }
.kind-mut   { color: #b45309; background: #fef3c7; }
.example-head h3 {
  font-size: 22px; font-weight: 600; letter-spacing: -.018em;
}
.example-head h3 code {
  font-family:'Spline Sans Mono',monospace;
  font-size: 22px; font-weight: 600; color: var(--ink);
}
.example-head p {
  grid-column: 1 / -1;
  color: var(--ink-2); font-size: 14.5px; line-height: 1.55; max-width: 64ch;
}
.example-head p code { background: var(--rule-2); padding: 1px 6px; border-radius: 4px; }

.example-split {
  display: grid; grid-template-columns: 1fr; gap: 14px;
}
@media (min-width: 980px) { .example-split { grid-template-columns: 1.1fr 1fr; gap: 16px; } }


/* =========================================================
   ROADMAP
   ========================================================= */
.roadmap {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
@media (min-width: 880px) { .roadmap { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
.rm-stage {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 18px;
}
.rm-stage.rm-live  { border-color: rgba(34,197,94,.32); }
.rm-stage.rm-beta  { border-color: rgba(99,91,255,.32); }
.rm-tag {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 6px;
  display: inline-block;
  align-self: flex-start;
  font-weight: 600;
}
.rm-live .rm-tag    { color: #047857; background: #d1fae5; }
.rm-beta .rm-tag    { color: var(--accent); background: var(--accent-soft); }
.rm-planned .rm-tag { color: var(--ink-2); background: var(--bg); }

.rm-chains { display: flex; flex-direction: column; gap: 6px; }
.rm-chains li {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14.5px; font-weight: 500;
  padding: 6px 0;
  border-top: 1px dashed var(--rule);
}
.rm-chains li:first-child { border-top: 0; }
.rm-planned .rm-chains li { color: var(--ink-3); }


/* =========================================================
   SCHEMA REFERENCE LAYOUT
   ========================================================= */
.page-schema { background: var(--surface); }
.schema-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 0 var(--gutter);
  min-width: 0;
}
@media (min-width: 1024px) {
  .schema-layout { grid-template-columns: 260px minmax(0, 1fr); gap: 48px; }
}
.schema-layout > * { min-width: 0; }

/* Main schema content */
.schema-main { padding: 32px 0 80px; min-width: 0; max-width: 100%; }

/* Sidebar */
.schema-sidebar {
  position: sticky;
  top: var(--header-h);
  align-self: start;
  max-height: calc(100vh - var(--header-h));
  display: flex; flex-direction: column;
  padding: 24px 0;
  border-right: 1px solid transparent;
}
@media (min-width: 1024px) {
  .schema-sidebar { padding-right: 12px; max-height: calc(100vh - var(--header-h)); }
}

.schema-toggle {
  display: none;
  align-items: center; gap: 8px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 12px;
}

.schema-search {
  position: relative;
  margin-bottom: 12px;
}
.schema-search svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--ink-3);
  pointer-events: none;
}
.schema-search input {
  width: 100%;
  padding: 9px 12px 9px 34px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 13.5px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.schema-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.schema-nav {
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
}
.schema-nav details { margin-bottom: 14px; }
.schema-nav summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 600;
  padding: 6px 0 8px;
}
.schema-nav summary::-webkit-details-marker { display: none; }
.schema-nav summary::before {
  content: "▸";
  font-size: 10px;
  margin-right: 8px;
  color: var(--ink-3);
  transition: transform .15s;
  display: inline-block;
}
.schema-nav details[open] summary::before { transform: rotate(90deg); }
.sn-count {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-2);
  letter-spacing: .04em;
}
.schema-nav ul {
  margin: 4px 0 8px 14px;
  border-left: 1px solid var(--rule);
}
.schema-nav li a {
  display: block;
  font-family:'Spline Sans Mono',monospace;
  font-size: 12.5px;
  color: var(--ink-2);
  padding: 4px 12px;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color .15s, border-color .15s, background .15s;
  word-break: break-all;
}
.schema-nav li a:hover { color: var(--ink); }
.schema-nav li.is-active a { color: var(--accent); border-left-color: var(--accent); background: var(--accent-soft); }
.schema-nav li.is-hidden { display: none; }

/* Main schema content */
.schema-main { padding: 32px 0 80px; }
.schema-head { padding-bottom: 32px; margin-bottom: 8px; border-bottom: 1px solid var(--rule); }

.schema-note {
  margin-top: 22px;
  display: grid; grid-template-columns: auto 1fr; gap: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(99,91,255,.22);
  border-radius: 12px;
  padding: 14px 16px;
  align-items: center;
}
.schema-note-tag {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  background: #fff;
  padding: 4px 9px;
  border-radius: 5px;
  align-self: start;
}
.schema-note p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}
.schema-note p code {
  background: rgba(255,255,255,.65);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent-2);
  font-weight: 500;
}
.schema-note p a { color: var(--accent-2); border-bottom: 1px dashed currentColor; }

.grp-heading {
  display: flex; align-items: baseline; gap: 14px;
  margin: 56px 0 8px;
  font-weight: 700;
  font-size: clamp(24px, 2.8vw, 34px);
  letter-spacing: -.025em;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.grp-heading:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.grp-num {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12px; font-weight: 500; letter-spacing: .12em;
  color: var(--accent);
}
.grp-lede { color: var(--ink-2); font-size: 14.5px; margin-bottom: 16px; max-width: 60ch; }
.grp-subhead {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3);
  margin: 36px 0 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--rule);
}

/* Operation card */
.op, .type {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 24px;
  margin: 14px 0;
  min-width: 0;
  overflow: hidden;
}
.op-head, .type-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  margin-bottom: 10px;
}
.op-kind, .type-kind {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 6px;
  font-weight: 600;
}
.type-kind { color: var(--ink-2); background: var(--bg); }
.op-head h3, .type-head h3 {
  font-family:'Spline Sans Mono',monospace;
  font-size: 19px; font-weight: 600; letter-spacing: 0;
  color: var(--ink);
}
.op-return {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12px; color: var(--ink-3);
  margin-left: auto;
}
.op-return code {
  color: var(--accent);
}
.op-desc {
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.55;
  max-width: 70ch;
}
.op-desc code {
  background: var(--rule-2);
  padding: 1px 5px;
  border-radius: 4px;
}
.op-src {
  display: inline-block;
  margin-left: 6px;
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--ink-3);
  background: var(--bg);
  padding: 2px 8px; border-radius: 4px;
}
.op-topic {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11.5px;
  color: var(--ink-3);
  margin-top: 8px;
  word-break: break-all;
}
.op-topic b { color: var(--ink-2); margin-right: 6px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: 10.5px; }
.op-topic code { color: var(--ink-2); background: var(--bg); padding: 2px 8px; border-radius: 4px; }

.op-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 18px;
  min-width: 0;
}
@media (min-width: 980px) {
  .op-body { grid-template-columns: 1fr 1.2fr; gap: 0 24px; }
  .op-response { grid-column: 1; grid-row: 1; }
  .op-args { grid-column: 1; grid-row: 2; margin-top: 8px; }
  .op-example { grid-column: 2; grid-row: 1 / span 3; }
}
.op-body > * { min-width: 0; }
.op-args h4, .op-example h4, .op-response h4 {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 10px;
  font-weight: 600;
}
.op-response {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 4px;
}
.op-response p {
  font-size: 13.5px; color: var(--ink-2); margin: 0;
  padding: 6px 0 0;
}
.op-response p a {
  color: var(--accent); text-decoration: none; font-weight: 600;
  font-family:'Spline Sans Mono',monospace; font-size: 13px;
  border-bottom: 1px dashed var(--accent);
  padding-bottom: 1px;
}
.op-response p a code {
  color: inherit; background: transparent; font: inherit;
}

/* Args table */
.args { width: 100%; border-collapse: collapse; }
.args thead th {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 600;
  padding: 0 12px 8px; text-align: left;
  border-bottom: 1px solid var(--rule);
}
.args td {
  padding: 10px 12px;
  border-top: 1px dashed var(--rule);
  font-size: 13.5px;
  vertical-align: top;
  color: var(--ink-2);
  line-height: 1.5;
}
.args tr:first-child td { border-top: 0; }
.args td:first-child {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12.5px;
  color: var(--ink);
  font-weight: 600;
  width: 32%;
  white-space: nowrap;
}
.args td:nth-child(2) {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
  width: 28%;
}
.args td:nth-child(2) a { color: var(--accent); border-bottom: 1px dashed currentColor; }
.args td code { background: transparent; padding: 0; }
.muted { color: var(--ink-3); font-size: 13px; }

/* Compact op (no body) */
.op-compact .op-head { margin-bottom: 6px; }
.op-compact { padding: 18px 24px; }
.op-compact .op-desc { max-width: 80ch; }

/* Type block */
.type {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 28px 32px;
  margin: 18px 0;
  min-width: 0;
  overflow: hidden;
}
.type-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.type-head h3 {
  font-family:'Spline Sans Mono',monospace;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 600;
  letter-spacing: -.012em;
  color: var(--ink);
  line-height: 1.1;
}
.type-kind {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 6px;
  font-weight: 600;
  background: var(--bg);
  color: var(--ink-2);
}
.type-kind.kind-object        { color: var(--accent); background: var(--accent-soft); }
.type-kind.kind-input-object  { color: #b45309; background: #fef3c7; }
.type-kind.kind-enum          { color: #047857; background: #d1fae5; }
.type-kind.kind-scalar        { color: var(--ink-2); background: var(--bg); }
.type-kind.kind-interface     { color: var(--ink-2); background: var(--bg); }
.type-kind.kind-union         { color: var(--ink-2); background: var(--bg); }

.type-desc {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.55;
  max-width: 70ch;
  margin-bottom: 22px;
}
.type-desc code {
  background: var(--rule-2);
  padding: 1px 6px;
  border-radius: 4px;
}

.type-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
  min-width: 0;
}
@media (min-width: 980px) {
  .type-body { grid-template-columns: 1.4fr 1fr; gap: 28px; }
}
.type-body > * { min-width: 0; }
.type-fields h4 {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 10px;
  font-weight: 600;
}
.type-example .code-frame {
  max-width: 100%;
  overflow: hidden;
}

/* Type args table — needs thead headers, 2 columns */
.type-args {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.type-args thead th {
  font-family:'Spline Sans Mono',monospace;
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
  text-align: left;
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--rule);
}
.type-args tbody td {
  padding: 12px;
  border-top: 1px dashed var(--rule);
  font-size: 13.5px;
  vertical-align: top;
  color: var(--ink-2);
  line-height: 1.5;
}
.type-args tbody tr:first-child td { border-top: 0; }
.type-args tbody td:first-child {
  width: 42%;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.type-args tbody td:first-child code {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12.5px;
  background: transparent;
  padding: 0;
}
.type-args tbody td:first-child > code:first-child {
  color: var(--ink);
  font-weight: 600;
}
.type-args tbody td:first-child a {
  color: var(--accent);
  border-bottom: 1px dashed currentColor;
}
.type-args tbody td:first-child a code {
  color: inherit;
  font-weight: 500;
}
.type-args .ty-sep {
  color: var(--ink-3);
  margin: 0 4px;
}
.type-args tbody td:nth-child(2) {
  width: 58%;
  color: var(--ink-2);
}
.type-args tbody td:nth-child(2) code {
  font-family:'Spline Sans Mono',monospace;
  font-size: 12px;
  background: var(--rule-2);
  padding: 1px 5px;
  border-radius: 4px;
}

.scalar-note {
  font-size: 13.5px;
  color: var(--ink-2);
  padding: 12px 0;
}


/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--bg);
  padding: 36px 0;
}
.site-footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 16px;
}
.footer-brand { display: inline-flex; align-items: center; gap: 12px; }
.footer-brand .brand-mark { width: 20px; height: 20px; color: var(--ink); }
.footer-tag {
  font-family:'Spline Sans Mono',monospace;
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-3);
}
.footer-meta {
  display: inline-flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
  font-family:'Spline Sans Mono',monospace;
  font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-3);
}
.footer-sep { color: var(--rule); }
.footer-meta a { color: var(--ink-3); transition: color .15s; }
.footer-meta a:hover { color: var(--ink); }


/* =========================================================
   RESPONSIVE — collapse desktop tabs into mobile drawer
   ========================================================= */
@media (max-width: 880px) {
  :root { --header-h: 56px; --gutter: 20px; }

  /* Header */
  .tabs { display: none; }
  .brand-sep, .brand-product { display: none; }
  .version-chip { display: none; }
  .icon-link { display: none; }
  .mobile-menu-btn { display: inline-flex; }
  .site-header-inner { gap: 12px; padding: 0 16px; height: 56px; }

  /* Section spacing */
  .block { padding: 48px 0; }
  .hero { padding: 40px 0 48px; }
  .page-head { padding: 40px 0 32px; }
  .band-inner { padding: 0 var(--gutter); }
  .hero-inner { padding: 0 var(--gutter); gap: 32px; }
  .block-inner { padding: 0 var(--gutter); }

  /* Section heads — stack the side tag + heading */
  .section-head { grid-template-columns: 1fr; gap: 8px; }
  .section-head h2 { font-size: 26px; line-height: 1.08; }
  .section-lede { font-size: 14.5px; max-width: none; }

  /* Hero */
  .display { font-size: clamp(30px, 8vw, 40px); line-height: 1.02; margin-top: 16px; }
  .lede { font-size: 16px; margin-top: 16px; }
  .cta-row { margin-top: 24px; gap: 10px; }
  .cta-row .btn { padding: 12px 18px; font-size: 14.5px; flex: 1; min-width: 0; }
  .breadcrumb { font-size: 10px; margin-bottom: 12px; }
  .eyebrow { font-size: 10px; padding: 5px 10px; }

  /* Metric strip — keep 3 across but tighter */
  .metric { padding: 22px 14px; }
  .metric .num { font-size: clamp(28px, 7vw, 38px); }
  .metric .m-lbl { font-size: 10.5px; }

  /* Capability cards */
  .cap-card { padding: 22px; }
  .cap-card h3 { font-size: 16px; }
  .cap-card p { font-size: 13px; }

  /* Domain grid items + nav cards */
  .domain-grid li { padding: 14px 16px; }
  .nav-card { padding: 22px; }
  .nav-card h3 { font-size: 18px; }
  .nav-card p { font-size: 14px; }

  /* Page titles (Getting Started + Schema) */
  .page-title { font-size: clamp(26px, 6vw, 34px); }
  .page-lede { font-size: 15px; }

  /* Step rail */
  .step-rail { gap: 14px; padding-top: 18px; margin-top: 24px; }
  .step-rail li { padding: 4px 0; }

  /* Playground banner */
  .playground-band { padding: 24px 0 8px; }
  .playground-banner { padding: 22px 22px; gap: 16px; }
  .playground-banner h2 { font-size: 22px; }
  .playground-banner p { font-size: 13.5px; }
  .pb-cta { align-items: flex-start; width: 100%; }
  .pb-cta-inner { padding: 11px 18px; font-size: 14px; }
  .pb-url { font-size: 10.5px; padding: 4px 8px; }

  /* Endpoint pill (Step 01) */
  .unified-ep-row { padding: 12px; gap: 10px; }
  .unified-ep-row code { font-size: 11.5px; }
  .unified-ep-lbl { width: auto; font-size: 10px; }
  .endpoint-row { padding: 10px 10px 10px 12px; }
  .endpoint-url { font-size: 11px; }

  /* Chain enum card */
  .chain-enum { padding: 18px 18px; }
  .chain-enum-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .chain-enum-note { font-size: 13px; }
  .chain-grid { grid-template-columns: 1fr; gap: 6px; }
  .chain-grid li { padding: 9px 12px; }

  /* Access card — stack vertically, keep CTAs prominent */
  .access-card { grid-template-columns: 1fr; }
  .access-points,
  .access-cta { padding: 24px; }
  .access-points h3 { font-size: 11px; }
  .access-points li { font-size: 13.5px; padding: 10px 0; gap: 12px; }
  .access-cta h3 { font-size: 22px; }
  .access-cta p { font-size: 13.5px; }
  .access-cta .btn { width: 100%; justify-content: center; }

  /* Example block (Getting Started) */
  .example { margin-top: 22px; padding-top: 22px; }
  .example-head { grid-template-columns: auto 1fr; gap: 10px 12px; }
  .example-head h3, .example-head h3 code { font-size: 18px; }
  .example-head p { font-size: 13.5px; }
  .example-split { gap: 12px; }
  pre.code { font-size: 11.5px; padding: 14px 16px; }

  /* Roadmap */
  .roadmap { gap: 12px; }
  .rm-stage { padding: 20px; }

  /* Schema heading */
  .grp-heading { font-size: 24px; gap: 10px; margin: 36px 0 8px; padding-top: 24px; }

  /* Schema layout — sidebar above content */
  .schema-main { padding: 18px 0 40px; }
  .schema-sidebar {
    position: static;
    max-height: none;
    padding: 12px 0 0;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 16px;
  }
  .schema-sidebar .schema-nav { max-height: 320px; }
  .schema-toggle { display: inline-flex; }
  .schema-sidebar.is-collapsed .schema-search,
  .schema-sidebar.is-collapsed .schema-nav { display: none; }

  /* Op cards */
  .op { padding: 16px 18px; }
  .op-head { gap: 8px; }
  .op-head h3 { font-size: 16px; }
  .op-kind { font-size: 9.5px; padding: 4px 8px; }
  .op-return { margin-left: 0; width: 100%; font-size: 11.5px; }
  .op-desc { font-size: 13.5px; }
  .op-body { gap: 14px; margin-top: 14px; }
  .op-topic { font-size: 10.5px; }

  /* Args / Type tables — stack each row onto two lines */
  .args, .type-args { display: block; }
  .args thead, .type-args thead { display: none; }
  .args tbody, .type-args tbody { display: block; }
  .args tr, .type-args tr { display: block; padding: 12px 0; border-top: 1px dashed var(--rule); }
  .args tr:first-child, .type-args tr:first-child { border-top: 0; }
  .args td, .type-args td { display: block; width: auto !important; padding: 2px 0; border-top: 0; font-size: 13px; }
  .args td:first-child, .type-args td:first-child {
    width: auto !important;
    font-size: 12.5px;
    padding-bottom: 4px;
  }
  .args td:nth-child(2), .type-args td:nth-child(2) {
    width: auto !important;
    color: var(--ink-2);
  }
  /* Args (op) has a 3-col layout — collapse third td too */
  .op-args .args td:nth-child(3) { color: var(--ink-2); font-size: 13px; padding-top: 4px; }

  /* Type cards */
  .type { padding: 22px 18px; }
  .type-head h3 { font-size: 22px; }
  .type-kind { font-size: 9.5px; padding: 4px 8px; }
  .type-desc { font-size: 14px; }
  .type-body { gap: 16px; }

  /* Try-it button */
  .try-it { font-size: 11px; padding: 4px 10px 4px 8px; margin-left: 4px; }

  /* Code frame head — wrap tabs */
  .code-head { flex-wrap: wrap; gap: 8px 10px; padding: 8px 12px; }
  .code-tabs { flex-wrap: wrap; }
  .code-copy { font-size: 10px; padding: 3px 8px; }

  /* Footer */
  .site-footer { padding: 28px 0; }
  .site-footer-inner { gap: 12px; }
  .footer-meta { font-size: 10px; gap: 8px; }
  .footer-sep { display: none; }
}

/* Very small phones — extra trim */
@media (max-width: 480px) {
  :root { --gutter: 16px; }

  .display { font-size: clamp(28px, 9vw, 34px); }
  .section-head h2 { font-size: 22px; }
  .page-title { font-size: 24px; }
  .lede, .page-lede { font-size: 14.5px; }

  .cta-row .btn { width: 100%; flex: none; }

  .metric { padding: 18px 10px; }
  .metric .num { font-size: 26px; }

  .grp-heading { font-size: 22px; padding-top: 20px; margin-top: 24px; }
  .grp-num { font-size: 11px; }

  .playground-banner { padding: 20px; border-radius: 14px; }
  .playground-banner h2 { font-size: 19px; }
  .pb-cta-inner { width: 100%; justify-content: center; }
  .pb-url { display: none; }

  .type { padding: 20px 16px; }
  .op { padding: 16px; }

  .access-points, .access-cta { padding: 20px; }

  .mob-tab { padding: 10px 12px; font-size: 11px; }

  /* Compact op heads to a single column when really tight */
  .op-head { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 881px) { .mobile-nav { display: none !important; } }

/* Site-nav row on small screens: keep brand + CTA, drop the link list */
@media (max-width: 880px) {
  .topnav-links, .topnav-signin { display: none; }
  .topnav-inner { height: 60px; }
}