:root {
  --ink: #f8fafc;
  --muted: #a7b0c6;
  --canvas: #090b15;
  --panel: rgba(20, 24, 42, .74);
  --edge: rgba(173, 143, 255, .22);
  --violet: #aa8cff;
  --mint: #6ee7c5;
  --amber: #f5c56f;
  --rose: #ff94a8;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--canvas); font-family: var(--sans); line-height: 1.55; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(700px 460px at 80% -5%, rgba(132, 89, 255, .22), transparent 65%), radial-gradient(620px 420px at -10% 30%, rgba(20, 219, 181, .12), transparent 65%); }
a { color: #d8ccff; text-decoration: none; } a:hover { color: white; }
.shell { position: relative; width: min(1180px, calc(100% - 32px)); margin: auto; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 23px 0; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 850; letter-spacing: -.04em; font-size: 21px; color: white; }
.mark { width: 31px; height: 31px; border-radius: 10px; background: conic-gradient(from 220deg, var(--mint), var(--violet), #f29bc7, var(--mint)); box-shadow: 0 0 36px rgba(157, 120, 255, .5); }
.navlinks { display: flex; flex-wrap: wrap; gap: 17px; font-size: 13px; font-weight: 700; color: var(--muted); }
.hero { padding: 78px 0 60px; display: grid; grid-template-columns: 1.22fr .78fr; gap: 42px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; color: #e5ddff; border: 1px solid var(--edge); border-radius: 99px; background: rgba(154, 119, 255, .1); font-size: 11px; letter-spacing: .13em; text-transform: uppercase; font-weight: 800; }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px var(--mint); }
h1 { margin: 17px 0 18px; max-width: 740px; font-size: clamp(42px, 6vw, 78px); line-height: .97; letter-spacing: -.065em; }
h2 { margin: 0; font-size: clamp(25px, 3vw, 37px); letter-spacing: -.045em; line-height: 1.05; }
h3 { margin: 0; font-size: 17px; letter-spacing: -.02em; }
p { color: var(--muted); } .lead { max-width: 690px; font-size: 18px; line-height: 1.7; }
.actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 27px; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; min-height: 43px; padding: 0 15px; background: linear-gradient(135deg, #aa8cff, #785af8); color: white; font-size: 13px; font-weight: 800; box-shadow: 0 11px 36px rgba(117, 82, 245, .25); }
.button.secondary { background: rgba(255,255,255,.035); color: #e8ecf7; border: 1px solid rgba(255,255,255,.12); box-shadow: none; }
.signal { position: relative; min-height: 364px; padding: 22px; border: 1px solid var(--edge); overflow: hidden; border-radius: 25px; background: linear-gradient(150deg, rgba(37, 30, 69, .89), rgba(13, 16, 30, .88)); box-shadow: 0 30px 90px rgba(0,0,0,.35); }
.signal::after { content: ""; position: absolute; width: 280px; height: 280px; right: -90px; bottom: -115px; border: 1px solid rgba(180, 155, 255, .42); border-radius: 50%; box-shadow: 0 0 0 28px rgba(160, 124, 255, .05), 0 0 0 56px rgba(160, 124, 255, .04); }
.signal-label { color: #b8c0d6; font: 12px var(--mono); text-transform: uppercase; letter-spacing: .09em; }.signal strong { display: block; margin-top: 12px; font-size: 27px; letter-spacing: -.04em; }.metric-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-top: 34px; }.metric { padding: 12px; border: 1px solid rgba(255,255,255,.09); border-radius: 13px; background: rgba(5,7,15,.32); }.metric b { font-size: 20px; }.metric span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.section { padding: 74px 0; border-top: 1px solid rgba(255,255,255,.08); }.section-head { max-width: 690px; margin-bottom: 27px; }.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }.card { padding: 21px; border: 1px solid rgba(255,255,255,.09); border-radius: 18px; background: var(--panel); }.card p { margin: 9px 0 0; font-size: 14px; }.number { color: var(--violet); font: 12px var(--mono); }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }.step { padding: 18px; border-top: 2px solid var(--violet); background: linear-gradient(165deg, rgba(165, 137, 255, .11), rgba(18, 21, 37, .6)); border-radius: 0 0 15px 15px; }.step span { color: var(--mint); font: 12px var(--mono); }.step p { margin: 8px 0 0; font-size: 13px; }
.callout { display: grid; grid-template-columns: auto 1fr; gap: 15px; padding: 20px; border: 1px solid rgba(245,197,111,.24); border-radius: 17px; background: rgba(245,197,111,.07); }.callout i { width: 11px; height: 11px; margin-top: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 16px var(--amber); }.callout p { margin: 4px 0 0; }
.page-hero { padding: 58px 0 45px; }.page-hero h1 { font-size: clamp(39px, 5vw, 64px); }.layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 44px; }.toc { position: sticky; top: 15px; align-self: start; display: grid; gap: 7px; padding: 13px; border-radius: 14px; border: 1px solid rgba(255,255,255,.09); background: rgba(19,22,37,.55); }.toc a { padding: 7px 8px; border-radius: 8px; color: var(--muted); font-size: 13px; }.toc a:hover { background: rgba(255,255,255,.06); color: white; }.doc section { margin: 0 0 54px; scroll-margin-top: 22px; }.doc h2 { margin-bottom: 13px; }.doc h3 { margin-top: 23px; }.doc ul, .doc ol { padding-left: 20px; color: var(--muted); }.doc li { margin: 8px 0; }.doc code, pre { font-family: var(--mono); }.doc code { padding: 2px 5px; border-radius: 5px; background: rgba(255,255,255,.07); color: #e7ddff; }.code { position: relative; margin: 16px 0; padding: 17px; overflow: auto; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; background: #0d1020; color: #dce4fb; font: 12px/1.7 var(--mono); white-space: pre; }.copy { position: absolute; top: 8px; right: 8px; padding: 6px 9px; border: 1px solid rgba(255,255,255,.14); border-radius: 7px; background: #20253d; color: white; cursor: pointer; font: 11px var(--sans); }.table-wrap { overflow-x: auto; border: 1px solid rgba(255,255,255,.09); border-radius: 14px; }.table { min-width: 640px; width: 100%; border-collapse: collapse; font-size: 13px; }.table th, .table td { padding: 13px; text-align: left; border-bottom: 1px solid rgba(255,255,255,.08); }.table th { color: #e6dcff; background: rgba(166,135,255,.09); }.table td { color: var(--muted); }.table tr:last-child td { border: 0; }.tag { display: inline-block; padding: 3px 7px; border-radius: 6px; font: 10px var(--mono); color: #d7ffe9; background: rgba(110,231,197,.12); }.footer { display: flex; justify-content: space-between; gap: 20px; padding: 35px 0 48px; border-top: 1px solid rgba(255,255,255,.08); color: var(--muted); font-size: 12px; }
@media (max-width: 800px) { .hero, .layout { grid-template-columns: 1fr; }.hero { padding-top: 40px; }.grid, .flow { grid-template-columns: 1fr 1fr; }.toc { position: relative; top: auto; grid-template-columns: 1fr 1fr; }.signal { min-height: 280px; } }
@media (max-width: 520px) { .shell { width: min(100% - 24px, 1180px); }.nav { align-items: flex-start; }.navlinks { gap: 10px; }.grid, .flow, .metric-grid { grid-template-columns: 1fr; }.toc { grid-template-columns: 1fr; }.footer { display: block; }.footer p { margin-top: 9px; } }

/* Documentation-library components */
.brand small { padding: 2px 6px; border: 1px solid rgba(255,255,255,.14); border-radius: 5px; color: var(--muted); font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.text-link { display: inline-flex; gap: 7px; margin-top: 18px; color: var(--mint); font-size: 13px; font-weight: 750; }.text-link span { transition: transform .2s ease; }.text-link:hover span { transform: translateX(4px); }.microcopy { margin: 15px 0 0; font-size: 12px; color: #8e9ab7; }
.doc-library { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }.library-card { display: grid; grid-template-columns: 36px 1fr auto; gap: 14px; align-items: center; padding: 17px; border: 1px solid rgba(255,255,255,.09); border-radius: 16px; background: rgba(20,24,42,.48); transition: border-color .2s ease, transform .2s ease, background .2s ease; }.library-card:hover { border-color: rgba(174,150,255,.55); background: rgba(42,34,74,.54); transform: translateY(-2px); }.library-card h3 { color: var(--ink); }.library-card p { margin: 4px 0 0; font-size: 13px; }.library-card b { color: var(--mint); }.library-index { color: var(--violet); font: 12px var(--mono); }
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 20px 0; }.mini-grid > div { padding: 14px; border: 1px solid rgba(255,255,255,.09); border-radius: 13px; background: rgba(255,255,255,.025); }.mini-grid b { display: block; color: #e8edfa; font-size: 13px; }.mini-grid span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.steps { list-style: none; padding: 0 !important; counter-reset: guide; }.steps li { display: grid; grid-template-columns: 35px 1fr; column-gap: 12px; position: relative; min-height: 58px; padding: 1px 0 17px 48px; }.steps li::before { counter-increment: guide; content: counter(guide, decimal-leading-zero); position: absolute; left: 0; top: 1px; color: var(--mint); font: 11px var(--mono); }.steps li::after { content: ""; position: absolute; left: 12px; top: 23px; bottom: -1px; width: 1px; background: rgba(110,231,197,.22); }.steps li:last-child::after { display: none; }.steps li b { grid-column: 1 / -1; color: var(--ink); }.steps li span { grid-column: 1 / -1; margin-top: 3px; font-size: 14px; }
.endpoint { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: center; margin: 18px 0 12px; padding: 13px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 12px; background: rgba(19,22,37,.52); }.endpoint p { grid-column: 1 / -1; margin: 10px 0 0; font-size: 13px; }.method { display: inline-flex; align-items: center; min-height: 22px; padding: 0 7px; border-radius: 5px; color: #d7ffe9; background: rgba(110,231,197,.14); font: 10px var(--mono); font-weight: 800; }.method.post { color: #e8dfff; background: rgba(170,140,255,.16); }
.checklist { list-style: none; padding-left: 0 !important; }.checklist li { position: relative; padding-left: 26px; }.checklist li::before { content: ""; position: absolute; left: 0; top: 7px; width: 11px; height: 6px; border-left: 2px solid var(--mint); border-bottom: 2px solid var(--mint); transform: rotate(-45deg); }
@media (max-width: 800px) { .mini-grid { grid-template-columns: 1fr 1fr; }.doc-library { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .mini-grid { grid-template-columns: 1fr; }.library-card { grid-template-columns: 30px 1fr auto; } }

/* Premium navigation and reading experience */
body::after { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .24; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 76%); }
.docs-nav { position: sticky; top: 0; z-index: 20; margin: 0 calc((100vw - min(1180px, calc(100vw - 32px))) / -2); padding: 15px max(16px, calc((100vw - min(1180px, calc(100vw - 32px))) / 2)); border-bottom: 1px solid transparent; backdrop-filter: blur(16px); transition: background .2s ease, border-color .2s ease; }.docs-nav::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(9,11,21,.72); opacity: .82; }.docs-nav:hover { border-color: rgba(255,255,255,.08); }.docs-nav .navlinks { margin-left: auto; }.navlinks a { position: relative; padding: 8px 0; color: #aeb7cc; }.navlinks a::after { content: ""; position: absolute; right: 0; bottom: 1px; left: 0; height: 2px; border-radius: 5px; background: var(--mint); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }.navlinks a[aria-current="page"] { color: white; }.navlinks a[aria-current="page"]::after, .navlinks a:hover::after { transform: scaleX(1); }
.nav-controls { display: flex; align-items: center; gap: 9px; margin-left: 9px; }.search-trigger, .repo-link { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 10px; border: 1px solid rgba(255,255,255,.11); border-radius: 9px; background: rgba(255,255,255,.035); color: #dce3f2; font: 12px var(--sans); font-weight: 700; cursor: pointer; }.search-trigger:hover, .repo-link:hover { border-color: rgba(174,150,255,.55); background: rgba(170,140,255,.12); color: white; }.search-trigger kbd { padding: 1px 4px; border: 1px solid rgba(255,255,255,.16); border-radius: 4px; color: #aeb7cc; font: 9px var(--mono); }.repo-link { color: #dce3f2; }.menu-trigger { display: none; }
.reading-progress { position: fixed; z-index: 40; top: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg, var(--mint), var(--violet), #f29bc7); transform: scaleX(0); transform-origin: left; box-shadow: 0 0 16px rgba(110,231,197,.72); }
.search-dialog { width: min(680px, calc(100% - 28px)); padding: 0; border: 1px solid rgba(199,183,255,.35); border-radius: 20px; color: var(--ink); background: #111425; box-shadow: 0 28px 90px rgba(0,0,0,.55); }.search-dialog::backdrop { background: rgba(2,3,10,.7); backdrop-filter: blur(7px); }.search-panel { padding: 18px; }.search-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; color: #eaefff; font-weight: 800; letter-spacing: -.02em; }.icon-button { padding: 4px 7px; border: 1px solid rgba(255,255,255,.13); border-radius: 6px; background: transparent; color: var(--muted); font: 10px var(--mono); cursor: pointer; }.search-input { display: flex; align-items: center; gap: 10px; padding: 0 13px; border: 1px solid rgba(255,255,255,.13); border-radius: 12px; background: rgba(5,7,15,.55); color: var(--mint); }.search-input input { width: 100%; min-height: 48px; border: 0; outline: none; background: transparent; color: white; font: 15px var(--sans); }.search-input input::placeholder { color: #7d87a3; }.search-results { display: grid; gap: 5px; max-height: min(55vh, 410px); margin-top: 13px; overflow: auto; }.search-result { display: grid; grid-template-columns: 92px 1fr; gap: 0 12px; padding: 11px; border: 1px solid transparent; border-radius: 11px; color: var(--muted); }.search-result:hover, .search-result.is-selected { border-color: rgba(174,150,255,.27); background: rgba(170,140,255,.1); color: white; }.search-result span { grid-row: span 2; padding-top: 2px; color: var(--mint); font: 10px var(--mono); text-transform: uppercase; }.search-result strong { font-size: 13px; }.search-result small { margin-top: 3px; font-size: 12px; }.no-results { padding: 20px; text-align: center; font-size: 13px; }.search-hint { margin: 13px 0 0; color: #7d87a3; font-size: 11px; }.search-hint kbd { padding: 2px 4px; border: 1px solid rgba(255,255,255,.12); border-radius: 4px; color: #aeb7cc; font: 9px var(--mono); }
.section-anchor { margin-left: 9px; color: var(--violet); opacity: 0; font: .7em var(--mono); vertical-align: .16em; transition: opacity .15s ease; }.doc h2:hover .section-anchor, .section-anchor:focus { opacity: 1; }.toc a.is-active { color: white; background: rgba(170,140,255,.14); box-shadow: inset 2px 0 0 var(--mint); }.caption { margin-top: 10px; color: #8e9ab7; font-size: 12px; }
.architecture-principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }.architecture-principles article, .experience-grid article { padding: 18px; border: 1px solid rgba(255,255,255,.1); border-radius: 15px; background: linear-gradient(155deg, rgba(174,150,255,.11), rgba(19,22,37,.55)); }.architecture-principles span, .experience-grid b { display: block; margin-bottom: 14px; color: var(--mint); font: 11px var(--mono); }.architecture-principles p, .experience-grid p { margin: 8px 0 0; font-size: 13px; }
.system-map { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); grid-template-rows: auto auto auto; gap: 18px; align-items: center; min-height: 390px; padding: 28px; overflow: hidden; border: 1px solid rgba(180,155,255,.24); border-radius: 20px; background: radial-gradient(circle at 50% 50%, rgba(174,150,255,.15), transparent 47%), rgba(15,18,34,.78); }.system-map::before { content: ""; position: absolute; inset: 12px; border: 1px dashed rgba(255,255,255,.09); border-radius: 14px; pointer-events: none; }.system-node { position: relative; z-index: 2; padding: 14px; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; background: rgba(9,11,21,.84); box-shadow: 0 12px 32px rgba(0,0,0,.22); }.system-node b { display: block; color: white; font-size: 14px; }.system-node span { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.45; }.wallet { grid-column: 1 / 3; }.gateway { grid-column: 3 / 4; grid-row: 1 / 3; border-color: rgba(110,231,197,.45); background: linear-gradient(145deg, rgba(38,126,112,.25), rgba(14,19,33,.93)); }.core { grid-column: 4 / 5; grid-row: 1; }.ord { grid-column: 4 / 5; grid-row: 2; }.relays { grid-column: 3 / 4; grid-row: 3; border-color: rgba(170,140,255,.52); }.markets { grid-column: 4 / 6; grid-row: 3; border-color: rgba(245,197,111,.38); }.system-line { position: absolute; z-index: 1; height: 1px; background: linear-gradient(90deg, rgba(110,231,197,.16), var(--mint), rgba(170,140,255,.18)); transform-origin: left; }.system-line.one { top: 30%; left: 25%; width: 26%; }.system-line.two { top: 31%; left: 51%; width: 30%; transform: rotate(-17deg); }.system-line.three { top: 67%; left: 48%; width: 13%; transform: rotate(90deg); }.system-line.four { top: 71%; left: 58%; width: 30%; }
.experience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 1040px) { .docs-nav .navlinks { display: none; }.nav-controls { margin-left: auto; }.menu-trigger { display: inline-grid; gap: 5px; width: 34px; height: 34px; padding: 9px; border: 1px solid rgba(255,255,255,.12); border-radius: 9px; background: rgba(255,255,255,.035); cursor: pointer; }.menu-trigger span { height: 1px; background: #e6eaf3; }.docs-nav.menu-open .navlinks { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding: 12px max(16px, calc((100vw - min(1180px, calc(100vw - 32px))) / 2)) 18px; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(12,15,28,.97); }.navlinks a { padding: 10px 0; }.architecture-principles { grid-template-columns: 1fr; }.system-map { grid-template-columns: repeat(3, 1fr); min-height: 530px; }.wallet { grid-column: 1 / 2; }.gateway { grid-column: 2 / 3; grid-row: 1 / 3; }.core { grid-column: 3; grid-row: 1; }.ord { grid-column: 3; grid-row: 2; }.relays { grid-column: 1 / 2; grid-row: 3; }.markets { grid-column: 2 / 4; grid-row: 3; }.system-line.one { left: 21%; width: 28%; }.system-line.two { left: 49%; width: 29%; }.system-line.three { top: 60%; left: 41%; }.system-line.four { top: 78%; left: 23%; width: 57%; } }
@media (max-width: 620px) { .docs-nav { gap: 9px; }.brand { font-size: 19px; }.nav-controls { gap: 5px; }.repo-link { display: none; }.search-trigger span { display: none; }.search-trigger { padding: 0 8px; }.docs-nav.menu-open .navlinks { grid-template-columns: 1fr 1fr; }.search-result { grid-template-columns: 1fr; }.search-result span { grid-row: auto; }.experience-grid { grid-template-columns: 1fr; }.system-map { display: grid; grid-template-columns: 1fr; grid-template-rows: auto; min-height: auto; }.system-node, .wallet, .gateway, .core, .ord, .relays, .markets { grid-column: auto; grid-row: auto; }.system-line { display: none; } }

/* Keyboard skip link: hidden until focused, then anchored over the header */
.skip-link { position: fixed; z-index: 60; top: -60px; left: 16px; padding: 10px 14px; border: 1px solid var(--edge); border-radius: 10px; background: #141830; color: var(--ink); font-size: 13px; font-weight: 800; transition: top .15s ease; }
.skip-link:focus { top: 12px; outline: 2px solid var(--mint); outline-offset: 2px; }
[id="main-content"]:focus { outline: none; }