/* Agentic Root Trust: public directory styles.
   Identity: security-paper registry. Petrol ink on cool mineral paper, a guilloche seal
   (the engraved line-work on certificates and banknotes) as the one decorative element,
   oxblood reserved for the seal colour and the single primary action. */

:root {
  --paper: #e9eeec;
  --paper-raised: #f5f8f7;
  --ink: #10293a;
  --ink-soft: #3b5363;
  --rule: #b6c5c2;
  --rule-strong: #7f9692;
  --guilloche: #5a7f91;
  --seal: #7a2335;
  --seal-ink: #ffffff;
  --ok: #17603f;
  --ok-wash: #dcebe3;
  --warn: #6f4300;
  --warn-wash: #f3e6cf;
  --neutral-wash: #dde4e3;
  --bad: #9a1f1f;
  --focus: #1f5fd1;
  --banner: #10293a;
  --banner-ink: #e9eeec;

  --f-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-id: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --measure: 68ch;
  --page: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0d1b24;
    --paper-raised: #132631;
    --ink: #e2ebe9;
    --ink-soft: #a7bbbf;
    --rule: #2a404d;
    --rule-strong: #4e6875;
    --guilloche: #5f8798;
    --seal: #e8a1ad;
    --seal-ink: #2a0b12;
    --ok: #86d6ab;
    --ok-wash: #15362a;
    --warn: #ecbd65;
    --warn-wash: #3a2c10;
    --neutral-wash: #1d3240;
    --bad: #ff9c9c;
    --focus: #8db4ff;
    --banner: #e2ebe9;
    --banner-ink: #0d1b24;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  font-optical-sizing: auto;
  overflow-wrap: anywhere;
}
img, svg { max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--guilloche); color: var(--paper); }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 10;
  background: var(--ink); color: var(--paper); padding: 0.5rem 0.9rem; text-decoration: none;
}
.skip:focus { top: 0.5rem; }

.wrap { max-width: var(--page); margin: 0 auto; padding: 0 var(--gutter); }

/* Preview banner: present on every page, deliberately plain. */
.preview {
  background: var(--banner); color: var(--banner-ink);
  font-size: 0.875rem; line-height: 1.4; padding: 0.45rem var(--gutter); text-align: center;
}
.preview strong { font-weight: 650; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); }
.site-header .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem 2rem; padding-top: 1rem; padding-bottom: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; }
.brand-mark { width: 2.1rem; height: 2.1rem; flex: none; color: var(--ink); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--f-display); font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; font-stretch: 90%; }
.lockup { font-size: 0.8125rem; color: var(--ink-soft); }
.lockup b { font-weight: 650; color: var(--ink); }
.site-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 1.4rem; margin: 0; padding: 0; }
.site-nav a { text-decoration: none; padding: 0.35rem 0; display: inline-block; border-bottom: 2px solid transparent; }
.site-nav a:hover { border-bottom-color: var(--rule-strong); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--ink); font-weight: 600; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); margin-top: 5rem; font-size: 0.9375rem; color: var(--ink-soft); }
.site-footer .wrap { display: grid; gap: 1.5rem; padding-top: 2rem; padding-bottom: 2.5rem; grid-template-columns: 1fr; }
.site-footer p { margin: 0; max-width: var(--measure); }
.site-footer .lockup { font-size: 0.9375rem; }
.site-footer nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; }
@media (min-width: 48rem) { .site-footer .wrap { grid-template-columns: 1.4fr 1fr; } .site-footer nav ul { justify-content: flex-end; } }

/* ---------- Home: hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--rule); }
.hero .wrap {
  display: grid; grid-template-columns: 1fr; align-items: center; gap: 1rem;
  padding-top: clamp(2.5rem, 7vw, 5.5rem); padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
.hero h1 {
  font-family: var(--f-display); font-weight: 800; font-stretch: 75%;
  font-size: clamp(2.9rem, 9.5vw, 6.6rem); line-height: 0.9; letter-spacing: -0.035em;
  margin: 0; max-width: 9ch;
}
.hero .lede { font-size: clamp(1.15rem, 2.2vw, 1.45rem); line-height: 1.4; max-width: 36ch; text-wrap: pretty; margin: 1.4rem 0 0; }
.hero .sub { color: var(--ink-soft); max-width: 52ch; margin: 1rem 0 0; }
.seal-holder { justify-self: center; width: min(78vw, 26rem); color: var(--guilloche); order: -1; }
@media (min-width: 52rem) {
  .hero .wrap { grid-template-columns: 1.15fr 0.85fr; gap: 3rem; }
  .seal-holder { order: 0; width: 100%; max-width: 28rem; justify-self: end; }
}
.seal { display: block; width: 100%; height: auto; overflow: visible; }
.seal circle { vector-effect: non-scaling-stroke; }
.seal-rim { stroke-width: 1; opacity: 0.9; }
.seal-outer { stroke-width: 0.9; }
.seal-inner { stroke-width: 0.9; opacity: 0.85; }
.seal-core { stroke-width: 1.1; color: var(--seal); stroke: var(--seal); }

/* The one orchestrated moment: the seal is engraved once on load. */
@media (prefers-reduced-motion: no-preference) {
  .seal-band path { stroke-dasharray: 1; stroke-dashoffset: 1; animation: engrave 2.4s cubic-bezier(.6,.05,.25,1) forwards; }
  .seal-inner path { animation-delay: 0.35s; }
  .seal-core path { animation-delay: 0.8s; }
}
@keyframes engrave { to { stroke-dashoffset: 0; } }

/* ---------- Home: registry search ---------- */
.registry { padding-top: 3rem; }
.registry h2, .page-section h2 {
  font-family: var(--f-display); font-weight: 750; font-stretch: 85%;
  font-size: clamp(1.6rem, 3.6vw, 2.2rem); letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 0.4rem;
}
.registry .intro { color: var(--ink-soft); margin: 0 0 1.4rem; max-width: var(--measure); }
.search-field { display: grid; gap: 0.45rem; max-width: 46rem; }
.search-field label { font-weight: 650; }
.search-box { position: relative; display: flex; align-items: stretch; }
.search-box input {
  flex: 1; min-width: 0; font: 500 1.15rem/1.3 var(--f-id);
  color: var(--ink); background: var(--paper-raised);
  border: 2px solid var(--ink); border-radius: 3px; padding: 0.85rem 3.2rem 0.85rem 1rem;
}
.search-box input::placeholder { color: var(--ink-soft); opacity: 1; }
.search-box input:focus-visible { outline-offset: 2px; }
.search-box input::-webkit-search-cancel-button { cursor: pointer; }
.kbd {
  position: absolute; right: 0.8rem; top: 50%; transform: translateY(-50%);
  font: 600 0.85rem/1 var(--f-id); color: var(--ink-soft);
  border: 1px solid var(--rule-strong); border-radius: 3px; padding: 0.25rem 0.45rem; pointer-events: none;
}
.search-box input:focus ~ .kbd, .search-box input:not(:placeholder-shown) ~ .kbd { display: none; }
.hint { font-size: 0.9375rem; color: var(--ink-soft); margin: 0; }
.field-error { color: var(--bad); font-weight: 600; margin: 0; }

.ledger-meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.3rem 1.5rem;
  margin: 2rem 0 0; padding-bottom: 0.6rem; border-bottom: 2px solid var(--ink);
  font-size: 0.9375rem; color: var(--ink-soft);
}
.ledger-meta p { margin: 0; }
.ledger-meta strong { color: var(--ink); font-weight: 650; }

.ledger { list-style: none; margin: 0; padding: 0; }
.ledger li { border-bottom: 1px solid var(--rule); }
.ledger a {
  display: grid; grid-template-columns: 4.6rem minmax(0, 1fr) auto; align-items: center; gap: 0.25rem 1rem;
  padding: 0.85rem 0.5rem; text-decoration: none;
}
.ledger a:hover { background: var(--paper-raised); }
.ledger a:hover .dom { text-decoration: underline; text-underline-offset: 0.2em; }
.ledger a:focus-visible { outline-offset: -3px; }
.rank { font: 500 0.95rem/1 var(--f-id); color: var(--ink-soft); text-align: right; font-variant-numeric: tabular-nums; }
.rank-none { font-family: var(--f-body); font-size: 0.85rem; }
.dom-cell { min-width: 0; }
.dom { display: block; font: 500 1.08rem/1.3 var(--f-id); overflow-wrap: anywhere; }
.dom-alt { display: block; font: 400 0.85rem/1.3 var(--f-id); color: var(--ink-soft); }
@media (max-width: 30rem) {
  .ledger a { grid-template-columns: 3.2rem minmax(0, 1fr); padding-left: 0.25rem; padding-right: 0.25rem; }
  .ledger .badge { grid-column: 2; justify-self: start; }
  .rank { align-self: start; padding-top: 0.2rem; }
}

.ledger-empty { padding: 2rem 0.5rem; color: var(--ink-soft); border-bottom: 1px solid var(--rule); }
.ledger-empty p { margin: 0 0 0.4rem; }
.ledger-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.5rem; }
.ledger-foot p { margin: 0; color: var(--ink-soft); font-size: 0.9375rem; }

/* Status badges: always text plus a distinct icon shape, never colour alone. */
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem; white-space: nowrap;
  font: 700 0.78rem/1 var(--f-body); letter-spacing: 0.06em;
  padding: 0.4rem 0.6rem 0.4rem 0.5rem; border-radius: 2px; border: 1px solid currentColor;
}
.badge svg { width: 1rem; height: 1rem; flex: none; }
.badge-unclaimed { color: var(--warn); background: var(--warn-wash); border-style: dashed; }
.badge-claimed { color: var(--ok); background: var(--ok-wash); }
.badge-other { color: var(--ink-soft); background: var(--neutral-wash); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font: 650 1rem/1.2 var(--f-body); padding: 0.75rem 1.2rem; border-radius: 3px; cursor: pointer;
  text-decoration: none; border: 2px solid var(--ink); background: transparent; color: var(--ink);
}
.btn:hover { background: var(--paper-raised); }
.btn[disabled] { opacity: 0.6; cursor: progress; }
.btn-seal { background: var(--seal); border-color: var(--seal); color: var(--seal-ink); }
.btn-seal:hover { background: var(--seal); filter: brightness(1.12); }

/* ---------- Domain record ---------- */
.record-head { border-bottom: 1px solid var(--rule); }
.record-head .wrap { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: 2rem; display: grid; gap: 1.6rem; }
.crumb { margin: 0; font-size: 0.9375rem; }
.crumb a { color: var(--ink-soft); }
.record-title { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.9rem; align-items: start; }
.record-title h1 {
  font: 600 clamp(1.9rem, 6vw, 3.6rem)/1.05 var(--f-id); letter-spacing: -0.03em; margin: 0; overflow-wrap: anywhere;
}
.record-title .badge { justify-self: start; font-size: 0.85rem; }
.record-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1rem 2rem; margin: 0; }
.record-facts div { border-left: 2px solid var(--rule-strong); padding-left: 0.8rem; }
.record-facts dt { font-size: 0.875rem; color: var(--ink-soft); }
.record-facts dd { margin: 0.1rem 0 0; font-weight: 600; }
.record-facts .id { font-family: var(--f-id); font-weight: 500; }

.page-section { padding-top: 3rem; }
.page-section > .wrap > p, .section-intro { max-width: var(--measure); }
.section-intro { color: var(--ink-soft); margin: 0 0 1.5rem; }

.evidence { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.evidence li {
  display: grid; grid-template-columns: 2.2rem minmax(0, 1fr); gap: 0.2rem 1rem;
  padding: 1.1rem 0.25rem; border-bottom: 1px solid var(--rule);
}
@media (min-width: 48rem) {
  .evidence li { grid-template-columns: 2.2rem 15rem minmax(0, 1fr); align-items: baseline; }
}
.ev-icon { width: 1.6rem; height: 1.6rem; grid-row: span 2; align-self: start; margin-top: 0.1rem; }
@media (min-width: 48rem) { .ev-icon { grid-row: auto; align-self: start; margin-top: 0; } }
.ev-name { font-weight: 650; }
.ev-state { font-weight: 650; }
.ev-detail { color: var(--ink-soft); font-size: 0.9375rem; margin: 0.2rem 0 0; max-width: 62ch; }
.ev-body { grid-column: 2; }
@media (min-width: 48rem) { .ev-body { grid-column: 3; } }
.ev-ok .ev-icon, .ev-ok .ev-state { color: var(--ok); }
.ev-warn .ev-icon, .ev-warn .ev-state { color: var(--warn); }
.ev-none .ev-icon { color: var(--ink-soft); }

.caveat {
  margin: 1.5rem 0 0; padding: 0.9rem 1rem; max-width: var(--measure);
  border-left: 4px solid var(--guilloche); background: var(--paper-raised); font-size: 0.9375rem;
}

.plain-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.plain-list li { padding: 0.8rem 0.25rem; border-bottom: 1px solid var(--rule); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.3rem 1rem; }
.plain-list .id { font-family: var(--f-id); }
.muted { color: var(--ink-soft); }

.table-scroll { overflow-x: auto; max-width: 100%; }
table { border-collapse: collapse; width: 100%; font-size: 0.9375rem; }
caption { text-align: left; color: var(--ink-soft); padding-bottom: 0.6rem; caption-side: top; }
th, td { text-align: left; padding: 0.7rem 0.75rem 0.7rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
thead th { border-bottom: 2px solid var(--ink); font-weight: 650; }
td.num { font-family: var(--f-id); font-variant-numeric: tabular-nums; }
td .id { font-family: var(--f-id); overflow-wrap: anywhere; }
th, td { overflow-wrap: normal; }
thead th, td.num, tbody td:first-child, tbody th { white-space: nowrap; }
.attribution { font-size: 0.9375rem; color: var(--ink-soft); margin: 0.9rem 0 0; }

.claim-cta {
  margin-top: 3rem; padding: 1.6rem; border: 2px solid var(--ink); border-radius: 3px;
  display: grid; gap: 1rem; background: var(--paper-raised);
}
.claim-cta h2 { margin: 0; }
.claim-cta p { margin: 0; max-width: var(--measure); color: var(--ink-soft); }
.claim-cta .btn { justify-self: start; }
@media (min-width: 48rem) {
  .claim-cta { grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "title action" "text action"; align-items: center; column-gap: 2rem; }
  .claim-cta h2 { grid-area: title; }
  .claim-cta p { grid-area: text; }
  .claim-cta .btn { grid-area: action; justify-self: end; }
}

.notice { padding-top: clamp(2.5rem, 7vw, 5rem); }
.notice h1 { font-family: var(--f-display); font-weight: 800; font-stretch: 80%; font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1; letter-spacing: -0.03em; margin: 0 0 1rem; }
.notice p { max-width: var(--measure); }
.notice .id { font-family: var(--f-id); }
.loading { color: var(--ink-soft); padding: 3rem 0; }

/* ---------- About ---------- */
.doc-head { border-bottom: 1px solid var(--rule); }
.doc-head .wrap { padding-top: clamp(2.5rem, 7vw, 5rem); padding-bottom: 2.5rem; }
.doc-head h1 { font-family: var(--f-display); font-weight: 800; font-stretch: 75%; font-size: clamp(2.6rem, 8vw, 5rem); line-height: 0.92; letter-spacing: -0.035em; margin: 0 0 1.2rem; max-width: 12ch; }
.doc-head p { font-size: clamp(1.1rem, 2vw, 1.3rem); max-width: 46ch; margin: 0; }
.doc { display: grid; gap: 0; }
.doc section { padding-top: 3rem; }
.doc p, .doc li { max-width: var(--measure); }

.steps { list-style: none; counter-reset: step; margin: 1.2rem 0 0; padding: 0; border-top: 2px solid var(--ink); }
.steps li { counter-increment: step; display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 0 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--rule); max-width: none; }
.steps li::before {
  content: counter(step); font: 700 1.5rem/1 var(--f-display); font-stretch: 75%; color: var(--seal);
  border: 2px solid var(--seal); border-radius: 50%; width: 2.4rem; height: 2.4rem; display: grid; place-items: center;
}
.steps h3 { margin: 0.1rem 0 0.3rem; font-size: 1.15rem; }
.steps p { margin: 0; color: var(--ink-soft); }

.statement {
  margin: 1.5rem 0 0; padding: 1.4rem 1.5rem; border: 2px solid var(--seal); border-radius: 3px;
  font-family: var(--f-display); font-weight: 650; font-size: clamp(1.15rem, 2.4vw, 1.45rem); line-height: 1.35; max-width: 44ch;
}
.def-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; margin-top: 1.2rem; }
@media (min-width: 48rem) { .def-grid { grid-template-columns: repeat(3, 1fr); } }
.def-grid div { border-top: 2px solid var(--ink); padding-top: 0.8rem; }
.def-grid h3 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.def-grid p { margin: 0; color: var(--ink-soft); font-size: 0.9375rem; }
.def-grid abbr { text-decoration: none; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

code { font-family: var(--f-id); font-size: 0.9em; overflow-wrap: anywhere; }
.doc h2 {
  font-family: var(--f-display); font-weight: 750; font-stretch: 85%;
  font-size: clamp(1.6rem, 3.6vw, 2.2rem); letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 0.6rem;
}
.page-section h3 { font-size: 1.15rem; margin: 2rem 0 0.6rem; }