/* unFragged — public surface
   Palette: matches the uF mark — near-black ink, steel silver, warm receipt paper.
   Green/red are semantic only (permit/block). */

:root {
  --ink: #0a0d0f;
  --ink-2: #10151a;
  --ink-3: #161d23;
  --line: #26313a;
  --line-soft: #1c242b;
  --steel: #c6cdd3;
  --steel-dim: #8b969e;
  --bright: #eef1f3;
  --paper: #f1ede2;
  --paper-edge: #d9d3c2;
  --paper-ink: #1c1b15;
  --paper-dim: #6d685a;
  --permit: #5da47c;
  --permit-deep: #2e6b4d;
  --block: #c2604e;
  --block-deep: #8f3d2e;
  --radius: 10px;
  --font-display: "Archivo", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

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

html { scroll-behavior: smooth; color-scheme: dark; }

body {
  background: var(--ink);
  color: var(--steel);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* subtle vertical ledger-rule texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent 119px,
    rgba(198, 205, 211, 0.025) 119px,
    rgba(198, 205, 211, 0.025) 120px
  );
  z-index: 0;
}

main { position: relative; z-index: 1; }

::selection { background: var(--steel); color: var(--ink); }

img { max-width: 100%; display: block; }

a { color: var(--bright); text-decoration-color: rgba(198, 205, 211, 0.4); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--bright); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--paper); color: var(--paper-ink); padding: 10px 16px; font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 13, 15, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 8px; flex: 0 0 auto; }
.brand span {
  font-weight: 800; font-size: 19px; letter-spacing: -0.02em; color: var(--bright);
}
.brand span em { font-style: normal; color: var(--steel-dim); }

.site-nav { display: flex; gap: 6px; align-items: center; }
.site-nav a {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--steel-dim); text-decoration: none; padding: 8px 12px; border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.site-nav a:hover { color: var(--bright); background: var(--ink-3); }
.site-nav a[aria-current="page"] { color: var(--bright); background: var(--ink-3); }
.site-nav a.nav-cta {
  color: var(--paper-ink); background: var(--paper); font-weight: 600;
  margin-left: 8px;
}
.site-nav a.nav-cta:hover { background: var(--bright); color: var(--ink); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); color: var(--steel);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  padding: 8px 14px; border-radius: 6px; cursor: pointer; text-transform: uppercase;
}

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--ink-2); border-bottom: 1px solid var(--line);
    padding: 12px 20px 18px;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px; }
  .site-nav a.nav-cta { margin-left: 0; text-align: center; margin-top: 8px; }
}

/* ---------- shared blocks ---------- */

.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--steel-dim); display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--steel-dim); }

h1, h2, h3 { color: var(--bright); letter-spacing: -0.025em; line-height: 1.12; }
h1 { font-size: clamp(38px, 5.6vw, 62px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }

.lede { font-size: clamp(18px, 2vw, 21px); color: var(--steel); max-width: 62ch; }

section { padding: 92px 0; border-top: 1px solid var(--line-soft); }
section:first-of-type { border-top: none; }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 13.5px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 14px 22px; border-radius: 7px; text-decoration: none; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.12s ease, background 0.15s, border-color 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--paper); color: var(--paper-ink); }
.btn-primary:hover { background: var(--bright); }
.btn-ghost { border-color: var(--line); color: var(--steel); background: transparent; }
.btn-ghost:hover { border-color: var(--steel-dim); color: var(--bright); }

.note {
  font-family: var(--font-mono); font-size: 12px; color: var(--steel-dim); letter-spacing: 0.02em;
}

/* ---------- hero ---------- */

.hero { padding: 88px 0 76px; border-top: none; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 64px; align-items: start;
}
.hero-copy h1 { margin: 6px 0 22px; }
.hero-copy .lede { margin-bottom: 32px; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* Keep first paint legible while retaining the staggered rise motion. */
.reveal { opacity: 1; transform: translateY(14px); animation: rise 0.7s ease forwards; }
.reveal.d1 { animation-delay: 0.08s; }
.reveal.d2 { animation-delay: 0.18s; }
.reveal.d3 { animation-delay: 0.3s; }
.reveal.d4 { animation-delay: 0.44s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------- drift demo ---------- */

.demo {
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 26px 22px; position: relative; overflow: hidden;
}
.demo-head {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;
}
.demo-head .note { max-width: 60%; }
.demo-replay {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  background: none; border: 1px solid var(--line); color: var(--steel); border-radius: 6px;
  padding: 7px 14px; cursor: pointer; transition: border-color 0.15s, color 0.15s;
}
.demo-replay:hover { border-color: var(--steel-dim); color: var(--bright); }

.demo-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 16px; }
.demo-card {
  border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.7; background: var(--ink);
}
.demo-card .demo-card-label {
  font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--steel-dim);
  margin-bottom: 8px; display: block;
}
.demo-card .row { display: flex; justify-content: space-between; gap: 12px; }
.demo-card .row .v { color: var(--bright); transition: color 0.3s; }
.demo-card .row.drifted .v { color: var(--block); }

.demo-route {
  display: flex; align-items: center; gap: 0; margin: 6px 0 18px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
}
.demo-node {
  padding: 8px 12px; border: 1px solid var(--line); border-radius: 6px; color: var(--steel-dim);
  background: var(--ink); white-space: nowrap; transition: border-color 0.25s, color 0.25s;
}
.demo-node.lit { border-color: var(--steel); color: var(--bright); }
.demo-node.dvs { border-style: solid; }
.demo-node.dvs.lit { border-color: var(--paper); color: var(--paper); }
.demo-link { flex: 1; height: 1px; background: var(--line); min-width: 10px; position: relative; }
.demo-link.lit { background: var(--steel-dim); }

.demo-receipt-slot { min-height: 178px; position: relative; }

.receipt {
  background: var(--paper); color: var(--paper-ink); border-radius: 4px;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.75;
  padding: 18px 20px 14px; position: relative;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}
.receipt::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 8px;
  background: linear-gradient(-45deg, transparent 5px, var(--paper) 5px) repeat-x,
              linear-gradient(45deg, transparent 5px, var(--paper) 5px) repeat-x;
  background-size: 11px 8px;
}
.receipt .r-title {
  display: flex; justify-content: space-between; letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 600; border-bottom: 1px dashed var(--paper-edge); padding-bottom: 8px; margin-bottom: 8px;
}
.receipt .r-row { display: flex; justify-content: space-between; gap: 16px; }
.receipt .r-row .k { color: var(--paper-dim); }
.receipt .r-verdict {
  margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--paper-edge);
  display: flex; justify-content: space-between; align-items: center;
}
.stamp {
  display: inline-block; font-weight: 700; letter-spacing: 0.16em; font-size: 13px;
  padding: 4px 12px; border: 2px solid currentColor; border-radius: 4px;
  transform: rotate(-4deg);
}
.stamp.blocked { color: var(--block-deep); }
.stamp.permitted { color: var(--permit-deep); }

.demo .receipt { opacity: 0; transform: translateY(16px); transition: opacity 0.45s ease, transform 0.45s ease; }
.demo.printed .receipt { opacity: 1; transform: none; }
.demo.printed .stamp.blocked { animation: slam 0.3s ease 0.35s backwards; }
@keyframes slam {
  from { transform: rotate(-4deg) scale(2.1); opacity: 0; }
  to { transform: rotate(-4deg) scale(1); opacity: 1; }
}

@media (max-width: 560px) {
  .demo-cards { grid-template-columns: 1fr; }
  .demo-route { flex-wrap: wrap; gap: 6px; }
  .demo-link { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
  .demo .receipt { opacity: 1; transform: none; transition: none; }
  .demo.printed .stamp.blocked { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- content patterns ---------- */

.split {
  display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 64px; align-items: start;
}
.split > .sticky-side { position: sticky; top: 108px; }
@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split > .sticky-side { position: static; }
}

.tile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tile {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  background: var(--ink-2); transition: border-color 0.2s;
}
.tile:hover { border-color: var(--steel-dim); }
.tile h3 { margin-bottom: 10px; }
.tile p { color: var(--steel-dim); font-size: 15.5px; }
@media (max-width: 700px) { .tile-grid { grid-template-columns: 1fr; } }

.step-list { counter-reset: step; display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
}
.step:last-child { border-bottom: none; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-mono); font-size: 26px; color: var(--steel-dim); font-weight: 500;
  line-height: 1.2;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--steel-dim); font-size: 15.5px; max-width: 58ch; }

.callout {
  border-left: 3px solid var(--paper); background: var(--ink-2); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 26px 30px; margin: 40px 0 0;
}
.callout p { color: var(--bright); font-size: 18px; line-height: 1.6; }
.callout .note { margin-top: 10px; }

.status-strip {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink-2);
  display: flex; flex-wrap: wrap; gap: 0; overflow: hidden;
}
.status-strip .cell {
  flex: 1 1 200px; padding: 18px 22px; border-right: 1px solid var(--line-soft);
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--steel); display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.status-strip .cell:last-child { border-right: none; }
.status-strip .cell .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--steel-dim); flex-shrink: 0; }
.status-strip .cell .dot.on { background: var(--permit); }
a.cell:hover { color: var(--bright); }

/* ledger table (evidence) */
.ledger { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ledger-col {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--ink-2);
}
.ledger-col header {
  padding: 16px 22px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
.ledger-col.yes header { color: var(--permit); }
.ledger-col.no header { color: var(--block); }
.ledger-col ul { list-style: none; }
.ledger-col li {
  padding: 15px 22px; border-bottom: 1px solid var(--line-soft); font-size: 15.5px; color: var(--steel);
}
.ledger-col li:last-child { border-bottom: none; }
.ledger-col li strong { color: var(--bright); font-weight: 600; }
@media (max-width: 760px) { .ledger { grid-template-columns: 1fr; } }

/* integration chain */
.chain {
  display: flex; align-items: stretch; gap: 0; margin: 44px 0 10px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
}
.chain-node {
  flex: 1; border: 1px solid var(--line); border-radius: 8px; padding: 18px 10px;
  text-align: center; color: var(--steel-dim); background: var(--ink-2); position: relative;
  transition: border-color 0.2s, color 0.2s;
}
.chain-node small {
  display: block; text-transform: none; letter-spacing: 0; font-family: var(--font-display);
  font-size: 12.5px; margin-top: 6px; color: var(--steel-dim); opacity: 0;
  transition: opacity 0.2s;
}
.chain-node:hover { border-color: var(--steel-dim); color: var(--bright); }
.chain-node:hover small { opacity: 1; }
.chain-node.dvs-node {
  background: var(--paper); color: var(--paper-ink); border-color: var(--paper);
  font-weight: 700; flex: 1.15;
}
.chain-node.dvs-node small { color: var(--paper-dim); }
.chain-arrow { display: flex; align-items: center; padding: 0 8px; color: var(--steel-dim); }
@media (max-width: 820px) {
  .chain { flex-direction: column; gap: 8px; }
  .chain-arrow { transform: rotate(90deg); justify-content: center; padding: 2px 0; }
  .chain-node small { opacity: 1; }
}

/* chip row */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--line); color: var(--steel-dim); border-radius: 100px; padding: 7px 16px;
}

/* facts strip (company) */
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 44px; }
.fact {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; background: var(--ink-2);
}
.fact .k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--steel-dim); margin-bottom: 8px; }
.fact .v { color: var(--bright); font-size: 16.5px; font-weight: 500; }
@media (max-width: 700px) { .facts { grid-template-columns: 1fr; } }

.bio { max-width: 70ch; }
.bio p { margin-bottom: 18px; font-size: 17px; }

/* prose helper */
.prose { max-width: 68ch; }
.prose p { margin-bottom: 18px; }
.prose p strong { color: var(--bright); }

/* ---------- forms ---------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

label { display: block; }
label .lab {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--steel-dim); display: block; margin-bottom: 8px;
}
input[type="text"], input[type="email"], input[type="number"], input[type="url"], input[type="tel"], select, textarea {
  width: 100%; background: var(--ink-2); border: 1px solid var(--line); border-radius: 7px;
  color: var(--bright); font-family: var(--font-display); font-size: 16px; padding: 13px 15px;
  transition: border-color 0.15s;
}
input, select, textarea { caret-color: var(--bright); scroll-margin-top: 96px; }
input::placeholder, textarea::placeholder { color: #7e8a93; opacity: 1; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--steel); }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid rgba(241,237,226,.85); outline-offset: 3px; }
input[type="number"] { -moz-appearance: textfield; -webkit-text-fill-color: var(--bright); }
input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button { opacity: .75; filter: invert(1); }
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus, textarea:-webkit-autofill, select:-webkit-autofill { -webkit-text-fill-color: var(--bright) !important; box-shadow: 0 0 0 1000px var(--ink-2) inset !important; transition: background-color 9999s ease-out 0s; }
select { appearance: none; color: var(--bright); background-color: var(--ink-2); }
select option { background: var(--ink-2); color: var(--bright); }
textarea { resize: vertical; min-height: 140px; }

/* ---------- portfolio ---------- */

.work-list { display: grid; gap: 14px; }
.work {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; background: var(--ink-2);
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: start;
}
.work h3 { margin-bottom: 6px; }
.work p { color: var(--steel-dim); font-size: 15.5px; max-width: 60ch; }
.work .tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--line); color: var(--steel-dim); border-radius: 100px; padding: 6px 14px;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .work { grid-template-columns: minmax(0, 1fr); min-width: 0; }
  .work > * { min-width: 0; }
  .work .tag { justify-self: start; max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
}

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); background: var(--ink-2); padding: 56px 0 40px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.footer-grid .mission { color: var(--bright); font-size: 19px; font-weight: 600; letter-spacing: -0.01em; max-width: 44ch; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; justify-content: flex-end; }
.footer-nav a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--steel-dim); text-decoration: none; padding: 6px 0;
}
.footer-nav a:hover { color: var(--bright); }
.footer-status {
  margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono); font-size: 12px; color: var(--steel-dim); letter-spacing: 0.04em;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
}


/* ---------- final polish / recorded proof ---------- */
code { font-family: var(--font-mono); font-size: .92em; color: var(--bright); }
section[id] { scroll-margin-top: 86px; }
.footer-brand { margin-bottom: 16px; }
.footer-grid .mission { font-size: 16px; font-weight: 500; color: var(--steel); margin-top: 10px; }
.section-intro { display:grid; grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr); gap:48px; align-items:end; margin-bottom:32px; }
.section-intro > p { color:var(--steel-dim); max-width:58ch; }
.proof-section { background: linear-gradient(180deg, rgba(255,255,255,.014), transparent 55%); }
.proof-shell { border:1px solid var(--line); border-radius:14px; background:var(--ink-2); overflow:hidden; box-shadow:0 24px 80px rgba(0,0,0,.22); }
.proof-tabs { display:flex; border-bottom:1px solid var(--line); background:var(--ink); }
.proof-tabs button { flex:1; border:0; background:transparent; color:var(--steel-dim); font:600 12px/1 var(--font-mono); letter-spacing:.1em; text-transform:uppercase; padding:17px 20px; cursor:pointer; border-bottom:2px solid transparent; }
.proof-tabs button[aria-selected="true"] { color:var(--bright); border-bottom-color:var(--paper); background:var(--ink-2); }
.proof-panel { padding:30px; }
.proof-topology { display:grid; grid-template-columns:minmax(150px,1fr) auto minmax(150px,1fr) auto minmax(150px,1fr); gap:14px; align-items:center; }
.proof-topology.twohost { grid-template-columns:minmax(150px,1fr) minmax(120px,.7fr) minmax(150px,1fr) auto minmax(150px,1fr); }
.proof-node { min-height:108px; border:1px solid var(--line); border-radius:10px; padding:16px; display:flex; flex-direction:column; justify-content:center; background:var(--ink); }
.proof-node small { font:600 10.5px/1.2 var(--font-mono); letter-spacing:.12em; text-transform:uppercase; color:var(--steel-dim); margin-bottom:7px; }
.proof-node strong { color:var(--bright); font-size:16px; }
.proof-node code { color:var(--steel-dim); margin-top:4px; }
.proof-node.boundary { border-color:var(--paper-edge); box-shadow:inset 0 0 0 1px rgba(241,237,226,.08); }
.proof-node.target.blocked { border-color:rgba(194,96,78,.7); }
.proof-wire { color:var(--steel-dim); font-family:var(--font-mono); text-align:center; }
.proof-wire.network { font-size:10px; text-transform:uppercase; letter-spacing:.08em; }
.scenario-controls { display:flex; flex-wrap:wrap; gap:8px; margin:24px 0 16px; }
.scenario-btn { border:1px solid var(--line); background:var(--ink); color:var(--steel); border-radius:999px; padding:9px 13px; font:600 11px/1 var(--font-mono); letter-spacing:.05em; cursor:pointer; }
.scenario-btn:hover,.scenario-btn.active { border-color:var(--steel-dim); color:var(--bright); background:var(--ink-3); }
.proof-readout { display:grid; grid-template-columns:1fr 1fr; border:1px solid var(--line); border-radius:9px; overflow:hidden; background:var(--ink); }
.proof-readout span { padding:13px 15px; display:flex; justify-content:space-between; gap:14px; border-right:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft); }
.proof-readout span:nth-child(2) { border-right:0; }
.proof-readout .wide { grid-column:1/-1; border-bottom:0; border-right:0; }
.proof-readout b { color:var(--steel-dim); font:500 10.5px/1.4 var(--font-mono); text-transform:uppercase; letter-spacing:.08em; }
.proof-readout strong { color:var(--bright); text-align:right; font:600 11.5px/1.4 var(--font-mono); overflow-wrap:anywhere; }
.proof-ceiling { color:var(--steel-dim); font:400 11.5px/1.6 var(--font-mono); margin-top:14px; max-width:92ch; }
.mini-flow { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:28px; font:600 12px/1.4 var(--font-mono); }
.mini-flow span { border:1px solid var(--line); border-radius:8px; padding:11px 13px; background:var(--ink-2); }
.mini-flow span.hot { border-color:var(--paper-edge); color:var(--paper); }
.chain-node { cursor:pointer; font:inherit; }
.chain-node:focus-visible { outline:3px solid rgba(241,237,226,.75); outline-offset:3px; }
.chain-explainer { border:1px solid var(--line); border-radius:8px; background:var(--ink-2); margin-top:16px; padding:16px 18px; display:flex; gap:16px; align-items:baseline; }
.chain-explainer strong { color:var(--paper); min-width:105px; }
.chain-explainer span { color:var(--steel); }
.partner-contract-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:28px; }
.partner-contract-grid > div { border:1px solid var(--line); border-radius:10px; padding:24px; background:var(--ink-2); }
.partner-contract-grid .kicker { font:600 11px/1 var(--font-mono); color:var(--steel-dim); letter-spacing:.1em; }
.partner-contract-grid h3 { margin:12px 0 8px; }
.partner-contract-grid p { color:var(--steel-dim); font-size:15px; }
.evidence-stack { display:grid; gap:14px; }
.evidence-card { border:1px solid var(--line); background:var(--ink-2); border-radius:11px; padding:24px 26px; }
.evidence-card.gated { border-style:dashed; }
.evidence-card h3 { margin:8px 0 10px; }
.evidence-card p { color:var(--steel); max-width:82ch; }
.evidence-card .note { margin-top:12px; color:var(--steel-dim); }
.evidence-status { display:inline-flex; border:1px solid var(--line); color:var(--steel-dim); border-radius:999px; padding:6px 10px; font:600 10.5px/1 var(--font-mono); letter-spacing:.08em; text-transform:uppercase; }
.evidence-status.permit { border-color:rgba(93,164,124,.55); color:#7fc09a; }
.ledger.single-focus { grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr); }
.evidence-principle { border:1px solid var(--line); border-radius:10px; padding:28px; background:var(--ink-2); }
.evidence-principle p:not(.eyebrow) { color:var(--steel); margin:16px 0 24px; }
.fit-box { margin-top:28px; border:1px solid var(--line); border-left:3px solid var(--paper); border-radius:0 10px 10px 0; background:var(--ink-2); padding:20px 22px; display:grid; gap:7px; max-width:48ch; }
.fit-box strong { color:var(--bright); }
.fit-box span { color:var(--steel-dim); font-size:14px; }
.form-notice { border:1px solid var(--line); background:var(--ink-2); border-radius:8px; padding:14px 16px; color:var(--steel-dim); font-size:13px; }
.form-notice strong { color:var(--steel); }

@media(max-width:900px){
  .section-intro,.ledger.single-focus { grid-template-columns:1fr; }
  .proof-topology,.proof-topology.twohost { grid-template-columns:1fr; }
  .proof-wire { transform:rotate(90deg); padding:2px; }
  .proof-wire.network { transform:none; padding:8px 0; border-top:1px dashed var(--line); border-bottom:1px dashed var(--line); }
  .partner-contract-grid { grid-template-columns:1fr; }
}
@media(max-width:560px){
  .wrap { padding-left:20px; padding-right:20px; }
  section { padding:72px 0; }
  .proof-panel { padding:20px; }
  .proof-tabs { flex-direction:column; }
  .proof-tabs button { text-align:left; }
  .proof-readout { grid-template-columns:1fr; }
  .proof-readout span,.proof-readout span:nth-child(2),.proof-readout .wide { grid-column:1; border-right:0; border-bottom:1px solid var(--line-soft); }
  .proof-readout .wide { border-bottom:0; }
  input[type="text"],input[type="email"],input[type="number"],input[type="url"],input[type="tel"],select,textarea { font-size:16px; }
}
@media(prefers-reduced-motion:reduce){ * { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; } }

/* Approval Drift Workbench */
.release-workbench .demo-receipt-slot { margin-top:18px; }
.release-workbench .receipt { opacity:1; transform:none; }
.workbench-state { font:600 10.5px/1 var(--font-mono); letter-spacing:.08em; text-transform:uppercase; color:var(--permit); border:1px solid rgba(93,164,124,.45); border-radius:999px; padding:7px 10px; }
.workbench-state.blocked { color:#d97a67; border-color:rgba(194,96,78,.55); }
.editable-card { display:grid; gap:8px; }
.compact-field { display:grid; grid-template-columns:minmax(70px,.7fr) minmax(0,1.3fr); gap:10px; align-items:center; color:var(--steel); }
.compact-field > span:first-child { color:var(--steel); }
.compact-field input { min-width:0; width:100%; background:#0d1216; border:1px solid #34414b; color:var(--bright); -webkit-text-fill-color:var(--bright); border-radius:6px; padding:8px 9px; font:600 13px/1.2 var(--font-mono); }
.money-input { display:grid; grid-template-columns:auto 1fr; align-items:center; gap:5px; }
.money-input b { color:var(--steel-dim); font-weight:500; }
.workbench-controls { display:flex; flex-wrap:wrap; gap:9px; }
.workbench-controls .btn { padding:10px 14px; font-size:11.5px; }
.workbench-receipt.is-blocked .stamp { color:var(--block-deep); }
.workbench-receipt.is-blocked { box-shadow:0 14px 34px rgba(0,0,0,.45), inset 0 0 0 2px rgba(194,96,78,.14); }
@media(max-width:560px){ .compact-field{grid-template-columns:1fr;} .demo-head{align-items:flex-start;gap:12px;} .workbench-state{white-space:nowrap;} }

code { overflow-wrap: anywhere; }
.receipt .r-row > span:last-child { min-width: 0; overflow-wrap: anywhere; text-align: right; }

/* Layout hardening */
.wrap, .hero-grid > *, .split > *, .tile, .evidence-card, .proof-node { min-width: 0; }
body { overflow-wrap: break-word; }
button, input, select, textarea { accent-color: var(--steel); }

.scope-limits{padding-left:22px;margin-top:20px}.scope-limits li{margin:16px 0;line-height:1.65}summary{cursor:pointer;font-size:1rem} [data-offer-status]{margin-top:18px}