/* Mnemma v2 — same audit-grade system as v1.
   Identity continuity: Fraunces / Inter / Spline, one green reserved
   for receipts + CTAs. Changes are structural (nav, doors, mobile), not a re-skin. */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=Spline+Sans+Mono:wght@400;500&display=swap');

:root {
  --paper:      #f7f5ef;
  --paper-2:    #fbfaf6;
  --paper-band: #efece2;
  --ink:        #1a1a17;
  --ink-soft:   #40403a;
  --muted:      #6a6860;
  --rule:       #ddd7c9;
  --rule-soft:  #e8e3d7;
  --accent:     #0d6b56;
  --accent-ink: #0a5343;
  --accent-tint:#e9f1ec;
  --red:        #9a3b2f;
  --maxw:       1080px;

  --serif: 'Fraunces', 'Charter', 'Sitka Text', Cambria, Georgia, serif;
  --sans:  'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono:  'Spline Sans Mono', ui-monospace, 'SFMono-Regular', 'Consolas', monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  font-feature-settings: "kern" 1;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.narrow { max-width: 760px; }
.band { background: var(--paper-band); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; color: var(--ink); letter-spacing: -0.01em; line-height: 1.12; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 5vw, 3.7rem); font-weight: 500; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.28rem; }
h4 { font-size: 1.05rem; font-family: var(--sans); font-weight: 600; letter-spacing: 0; }
p { margin: 0 0 1.1em; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { font-weight: 600; color: var(--ink); }
.lead { font-size: 1.22rem; line-height: 1.5; color: var(--ink-soft); }
.belief { font-size: 1.02rem; line-height: 1.55; color: var(--ink-soft); margin: 14px 0 0; }
.belief a, #footer-belief a, #why-tie-in a { white-space: nowrap; }
.tnum { font-variant-numeric: tabular-nums; }

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.2rem;
  display: block;
}

header.site {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.1) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav { display: flex; align-items: center; gap: 8px; min-height: 68px; position: relative; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.25rem; letter-spacing: -.01em; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 25px; height: 25px; flex: none;
  background: url("img/favicon.svg") center/contain no-repeat;
}
.nav .links { display: flex; gap: 22px; margin-left: 28px; }
.nav .links a { color: var(--ink-soft); font-size: .92rem; font-weight: 500; white-space: nowrap; }
.nav .links a:hover { color: var(--ink); text-decoration: none; }
.nav .links a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
.nav .spacer { flex: 1; }
.nav-cta { white-space: nowrap; flex: none; }
.nav-cta .cta-short { display: none; }
.nav-cta[aria-current="page"] {
  background: var(--accent-tint);
  color: var(--accent-ink);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--rule));
}
.nav-cta[aria-current="page"]:hover { background: var(--accent-tint); color: var(--accent-ink); }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: var(--sans);
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff; font-family: var(--sans);
  font-weight: 600; font-size: .95rem; padding: 11px 18px; border-radius: 6px;
  border: 1px solid var(--accent-ink);
  transition: background .12s ease;
}
.btn:hover { background: var(--accent-ink); text-decoration: none; color: #fff; }
.btn.big { padding: 15px 26px; font-size: 1.05rem; }
.btn.ghost { background: transparent; color: var(--accent-ink); border-color: var(--rule); }
.btn.ghost:hover { background: var(--paper-2); color: var(--accent-ink); border-color: var(--accent); }
.worksheet-next { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

section { padding: 72px 0; border-bottom: 1px solid var(--rule-soft); }
section.tight { padding: 52px 0; }
.hero { padding: 80px 0 68px; position: relative; overflow: hidden; }
.hero > .wrap { position: relative; z-index: 1; }
#hero-graph {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; opacity: 0.5;
  -webkit-mask-image: radial-gradient(ellipse 78% 90% at 72% 42%, rgba(0,0,0,.95) 0%, rgba(0,0,0,.55) 45%, transparent 78%);
  mask-image: radial-gradient(ellipse 78% 90% at 72% 42%, rgba(0,0,0,.95) 0%, rgba(0,0,0,.55) 45%, transparent 78%);
}
@media (max-width: 720px) {
  #hero-graph { opacity: 0.32;
    -webkit-mask-image: radial-gradient(ellipse 100% 70% at 50% 20%, rgba(0,0,0,.9) 0%, rgba(0,0,0,.4) 50%, transparent 80%);
    mask-image: radial-gradient(ellipse 100% 70% at 50% 20%, rgba(0,0,0,.9) 0%, rgba(0,0,0,.4) 50%, transparent 80%);
  }
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 26px 26px 24px;
}
.card h3 { margin-bottom: .35em; }
.card .num { font-family: var(--mono); font-size: .8rem; color: var(--accent-ink); letter-spacing: .05em; }

.claim { position: relative; }
.receipt-marker {
  font-family: var(--mono);
  font-size: .62em;
  font-weight: 500;
  vertical-align: super;
  line-height: 0;
  color: var(--accent);
  background: none; border: none; cursor: pointer;
  padding: 0 1px; margin-left: 1px;
  border-bottom: 1px dotted var(--accent);
}
.receipt-marker::before { content: "✓"; margin-right: 1px; }
.receipt-marker:hover { color: var(--accent-ink); }
.receipt-marker[aria-expanded="true"] { color: var(--accent-ink); background: var(--accent-tint); }

.receipt {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .28s cubic-bezier(.4,0,.2,1);
  margin: 0;
}
.receipt.open { grid-template-rows: 1fr; margin: 12px 0 16px; }
.receipt > .inner { display: block; overflow: hidden; min-height: 0; min-width: 0; }
.receipt .body { display: block; }
.receipt .body {
  background: var(--accent-tint);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--rule));
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 14px 16px;
  font-size: .9rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.receipt .rlabel {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent-ink); display: block; margin-bottom: 6px;
}
.receipt .rrow { display: grid; grid-template-columns: 128px 1fr; gap: 2px 14px; align-items: start; }
.receipt .rk { font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.receipt .rv { display: block; }
.receipt .check { display: block; margin-top: 10px; font-size: .82rem; color: var(--muted); }

.pill { display: inline-block; font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--rule); color: var(--muted); background: var(--paper-2); }
.pill.accent { color: var(--accent-ink); border-color: color-mix(in srgb, var(--accent) 40%, var(--rule)); background: var(--accent-tint); }

.table-scroll { overflow-x: auto; }
table.ledger { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.ledger th, table.ledger td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.ledger th { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
table.ledger td.n { font-variant-numeric: tabular-nums; font-family: var(--mono); }
table.ledger tr:last-child td { border-bottom: none; }
table.ledger .total td { border-top: 2px solid var(--ink); font-weight: 600; }

.diagram { border: 1px solid var(--rule); border-radius: 10px; background: var(--paper-2); padding: 28px; }
.diagram .cap { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }

.flip { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.flip > div { padding: 26px; }
.flip .rent { background: #f2efe6; border-right: 1px solid var(--rule); }
.flip .own { background: var(--accent-tint); }
.flip h4 { font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; }
.flip .rent h4 { color: var(--muted); }
.flip .own h4 { color: var(--accent-ink); }
.bar { height: 12px; border-radius: 3px; margin: 6px 0; }
.bar.rent { background: repeating-linear-gradient(90deg, #cfc9b8 0 8px, transparent 8px 14px); }
.bar.own { background: var(--accent); opacity: .9; }
.flip .money { font-family: var(--mono); font-size: .82rem; color: var(--muted); }

.walls { border: 2px solid var(--ink); border-radius: 10px; padding: 22px; position: relative; background: var(--paper-2); }
.walls .wlabel { position: absolute; top: -11px; left: 18px; background: var(--paper); padding: 0 8px; font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.walls .node { border: 1px solid var(--rule); border-radius: 7px; background: var(--paper); padding: 14px 16px; margin: 8px 0; }
.walls .node .t { font-weight: 600; }
.walls .node .d { font-size: .86rem; color: var(--muted); }
.hop { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: .78rem; color: var(--accent-ink); margin: 10px 0 0; }
.hop .line { flex: 1; height: 0; border-top: 2px dashed var(--accent); }

.timeline { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; }
.timeline .step { position: relative; padding: 0 12px; }
.timeline .step .dot { width: 13px; height: 13px; border-radius: 50%; background: var(--accent); border: 3px solid var(--paper); outline: 1px solid var(--accent); margin-bottom: 14px; position: relative; }
.timeline .step::before { content:""; position:absolute; top: 6px; left: 0; right: 0; height: 2px; background: var(--rule); z-index: 0; }
.timeline .step:first-child::before { left: 50%; }
.timeline .step:last-child::before { right: 50%; }
.timeline .step .k { font-family: var(--mono); font-size: .72rem; color: var(--accent-ink); letter-spacing: .06em; }
.timeline .step .t { font-weight: 600; font-size: .95rem; margin: 3px 0; }
.timeline .step .d { font-size: .82rem; color: var(--muted); }

.kicker-cta { text-align: center; }
.kicker-cta .sub { color: var(--muted); margin-top: 10px; }
ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 10px 0 10px 28px; border-bottom: 1px solid var(--rule-soft); position: relative; }
ul.plain li::before { content: "✓"; color: var(--accent); position: absolute; left: 4px; font-weight: 600; }
ul.never li::before { content: "✕"; color: var(--red); }

.q { font-family: var(--serif); font-size: 1.45rem; line-height: 1.35; color: var(--ink); margin: 0 0 .35em; }

.footer { background: var(--paper-band); border-top: 1px solid var(--rule); padding: 46px 0 40px; font-size: .9rem; color: var(--muted); }
.footer .grid-3 { gap: 40px; }
.footer a { color: var(--ink-soft); }
.footer .rlabel { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink); }
.footer ul.plain li { padding-left: 0; }
.footer ul.plain li::before { content: none; }
.footer-receipt { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--rule); max-width: 720px; }

.notice { background: #fbf3e6; border: 1px solid #e6d3ab; border-left: 3px solid #c79a3f; border-radius: 6px; padding: 14px 16px; font-size: .9rem; color: #6b5a34; }
.notice .rlabel { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: #9a7b32; display:block; margin-bottom: 4px; }

/* Pain array — six felt costs, not three rhetorical questions */
.pains { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 28px; margin-top: 28px; }
.pain { border-top: 1px solid var(--rule); padding-top: 16px; }
.pain .who { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-ink); display: block; margin-bottom: 6px; }
.pain p { margin: 0; color: var(--ink-soft); font-size: 1.02rem; }

/* Three outcomes, Trust first */
.outcomes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.outcome { border: 1px solid var(--rule); border-radius: 8px; background: var(--paper-2); padding: 22px 22px 20px; }
.outcome.lead-out { border-color: color-mix(in srgb, var(--accent) 35%, var(--rule)); background: var(--accent-tint); }

/* Role doors — four signatures, compact, no hidden tabs */
.doors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.door {
  display: flex; flex-direction: column; gap: 6px;
  border: 1px solid var(--rule); border-radius: 8px;
  background: var(--paper-2); padding: 14px 14px 12px;
  color: var(--ink);
}
.door:hover { border-color: var(--accent); text-decoration: none; }
.door .rk { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-ink); }
.door h3 { font-size: .98rem; margin: 0; line-height: 1.3; }
.door .go { font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; color: var(--accent-ink); }

.rolestrip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 10px; }
.rolestrip a {
  display: block; border: 1px solid var(--rule); border-radius: 8px;
  background: var(--paper-2); padding: 14px 14px; color: var(--ink-soft);
}
.rolestrip a:hover { border-color: var(--accent); text-decoration: none; color: var(--ink); }
.rolestrip a.self { background: var(--accent-tint); border-color: color-mix(in srgb, var(--accent) 30%, var(--rule)); pointer-events: none; }
.rolestrip .rk { font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); display: block; margin-bottom: 7px; }
.rolestrip .rd { font-size: .86rem; line-height: 1.4; }

.rolechip { font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; color: var(--accent-ink); display: inline-block; margin: 4px 0 10px; }
.rolechip a { border-bottom: 1px dotted var(--accent); }

.cxo-help { font-size: .95rem; color: var(--muted); margin-top: 14px; }

.rings { display:flex; align-items:center; justify-content:center; }
.rings svg { width:100%; max-width:340px; height:auto; }
.rings .rlabel-w { font-family: var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; fill: var(--muted); }
.rings .rlabel-c { fill: var(--accent-ink); font-weight:600; }
.gc-eyebrow { display:flex; align-items:baseline; gap:14px; margin-bottom:.4em; }
.gc-eyebrow .n { font-family: var(--mono); font-size:.8rem; letter-spacing:.16em; color: var(--accent-ink); }
.why-lead { font-family: var(--serif); font-size: 1.55rem; line-height:1.35; color: var(--ink); }

.estimator-hero .plain { margin-top: 22px; }
.estimator-jump { margin-top: 24px; }
.estimator-band { background: var(--paper-band); }
.worksheet-form {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 28px 28px 24px;
  max-width: 760px;
  margin: 0 auto;
}
.field { display: block; margin-bottom: 16px; }
[hidden] { display: none !important; }
.field span {
  display: block; font-family: var(--mono); font-size: .72rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px;
}
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--rule);
  border-radius: 6px; font-size: 1rem; font-family: var(--sans); background: #fff; color: var(--ink);
}
.field input::placeholder, .field textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}
.field input:focus, .field textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, var(--rule));
  border-color: var(--accent);
}
form fieldset {
  border: 1px solid var(--rule);
  border-radius: 8px;
  margin: 0 0 16px;
  padding: 14px 16px 16px;
  background: var(--paper);
}
form legend {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-ink);
  padding: 0 6px;
}
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; min-width: 0; }
.checks, .radios { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label, .radios label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .92rem; color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper-2);
  padding: 8px 14px;
  cursor: pointer;
  user-select: none;
}
.checks label:hover, .radios label:hover { border-color: var(--accent); }
.checks label:has(input:checked),
.radios label:has(input:checked) {
  background: var(--accent-tint);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--rule));
  color: var(--accent-ink);
}
.checks label:has(input:focus-visible),
.radios label:has(input:focus-visible) {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, var(--rule));
  outline-offset: 2px;
}
.checks input, .radios input { accent-color: var(--accent); margin: 0; }
.choice { padding: 12px 0; border-bottom: 1px solid var(--rule-soft); }
.choice:last-child { border-bottom: none; padding-bottom: 0; }
.extras-which { margin-top: 12px; }
.qline { margin: 0 0 10px; font-size: .98rem; color: var(--ink); }
.hint { font-size: .82rem; color: var(--muted); margin: 8px 0 0; }
.estimator-submit { width: 100%; justify-content: center; margin-top: 8px; }
.estimator-hint { text-align: center; margin-top: 12px; }
.worksheet { margin-top: 0; }
.worksheet table.ledger { table-layout: fixed; }
.worksheet table.ledger th { width: 36%; }
.worksheet-card {
  border-left: 3px solid var(--accent);
  background: var(--paper-2);
}
.worksheet-card .route-title {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3vw, 1.7rem);
  line-height: 1.2;
  margin: 0 0 .4em;
}
.route-gf { color: var(--accent-ink); }
.route-std { color: var(--ink); }
.route-straddle { color: #8a5a00; }
.route-reject { color: var(--red); }
.formula {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--muted);
  margin: 10px 0 16px;
}
.worksheet .note {
  font-size: .9rem;
  color: var(--ink-soft);
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
#result-section { border-bottom: none; scroll-margin-top: 84px; }
#result-section[hidden] { display: none; }
@media print {
  header.site, .footer, .nav-cta, .estimator-hero, .estimator-band, .nav-toggle { display: none !important; }
  #result-section { display: block !important; padding: 0; }
  .worksheet-card { border: none; }
}
.steward { margin-top: 8px; }
.steward td:first-child { width: 2.2em; font-family: var(--mono); color: var(--accent-ink); }

@media (max-width: 1100px) {
  .doors { grid-template-columns: repeat(2, 1fr); }
  .rolestrip { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: inline-flex; }
  .nav .links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 8px 0 12px;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 12px 24px color-mix(in srgb, var(--ink) 8%, transparent);
  }
  .nav.is-open .links { display: flex; }
  .nav .links a { padding: 12px 32px; }
  .nav .links a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--accent); }
  .nav .spacer { display: none; }
  .nav .nav-cta { margin-left: auto; margin-right: 8px; }
}
@media (max-width: 920px) {
  .grid-2, .grid-3, .outcomes { grid-template-columns: 1fr; gap: 28px; }
  .pains { grid-template-columns: 1fr; }
  .doors { grid-template-columns: 1fr 1fr; }
  .rolestrip { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr; gap: 18px; }
  .timeline .step::before { display: none; }
  .flip { grid-template-columns: 1fr; }
  .flip .rent { border-right: none; border-bottom: 1px solid var(--rule); }
  .receipt .rrow { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .doors { grid-template-columns: 1fr; }
  .wrap { padding: 0 20px; }
  .nav .nav-cta { padding: 9px 12px; font-size: .82rem; }
  .nav-cta .cta-full { display: none; }
  .nav-cta .cta-short { display: inline; }
  .field-row { flex-direction: column; gap: 0; }
  .worksheet-form { padding: 20px 16px 18px; }
  .diagram { padding: 18px 14px; overflow-x: auto; }
  .worksheet table.ledger th,
  .worksheet table.ledger td {
    display: block;
    width: 100%;
  }
  .worksheet table.ledger th {
    padding-bottom: 2px;
    border-bottom: none;
  }
  .worksheet table.ledger td {
    padding-top: 4px;
    padding-bottom: 12px;
  }
}

/* v3 — ingest loop, five-bucket chips, notes list */
.loop {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.loop .step {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper-2);
  padding: 16px 14px 14px;
  position: relative;
}
.loop .step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -11px;
  width: 7px;
  height: 7px;
  margin-top: -4px;
  border-right: 1.5px solid var(--accent);
  border-top: 1.5px solid var(--accent);
  transform: rotate(45deg);
}
.loop .step .k {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.loop .step .t { font-weight: 600; font-size: .95rem; margin: 6px 0 4px; }
.loop .step .d { font-size: .82rem; color: var(--muted); margin: 0; }
.buckets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 10px;
}
.bucket {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--paper-2);
  color: var(--ink-soft);
}
.bucket strong { color: var(--accent-ink); font-weight: 600; }
.notes-list { margin-top: 22px; }
.note-card {
  display: block;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper-2);
  padding: 22px 22px 18px;
  color: var(--ink);
  margin-bottom: 12px;
}
.note-card:hover { border-color: var(--accent); text-decoration: none; }
.note-card .when {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}
.note-card h3 { font-size: 1.15rem; margin: 0 0 6px; }
.note-card p { margin: 0; color: var(--ink-soft); font-size: .95rem; }

@media (max-width: 920px) {
  .loop { grid-template-columns: 1fr; gap: 14px; }
  .loop .step:not(:last-child)::after {
    top: auto;
    bottom: -11px;
    right: 50%;
    margin-right: -4px;
    margin-top: 0;
    transform: rotate(135deg);
  }
}

/* v4 /brain/ — reuse .door .hop .pill .walls .receipt. No second system. */
.timeline .step { scroll-margin-top: 88px; }
.timeline.span-4 { grid-template-columns: repeat(4, 1fr); }
[id^="claim-"] { scroll-margin-top: 88px; }

.neighborhood {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 28px 0 0;
  min-width: 0;
}
.neighborhood .wlabel { background: var(--paper); }
.neighborhood .here {
  font-family: var(--serif);
  font-weight: 500;
  padding: 8px 12px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--paper);
}
a.hop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .02em;
  min-width: 0;
}
a.hop:hover { border-color: var(--accent); color: var(--accent-ink); text-decoration: none; }
a.hop:focus-visible,
.door:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
a.hop .rel { color: var(--accent-ink); text-transform: lowercase; }
a.hop[data-rel="evidenced-by"] {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--rule));
  background: var(--accent-tint);
  color: var(--accent-ink);
}
a.hop[data-rel="bounded-by"],
a.hop[data-rel="bounds"] {
  border-color: var(--ink);
}

.claim-block {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 20px 22px;
  margin: 16px 0;
  scroll-margin-top: 88px;
  background: var(--paper-2);
}
.claim-block:target {
  background: var(--accent-tint);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--rule));
}
.claim-block .claim-id {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}
.claim-block .claim-text { font-size: 1.05rem; margin: 0 0 12px; color: var(--ink); }
.claim-meta { display: grid; gap: 8px; margin: 0; }
.claim-meta div { display: grid; grid-template-columns: 120px 1fr; gap: 4px 14px; }
.claim-meta dt {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 3px;
}
.claim-meta dd { margin: 0; font-size: .9rem; color: var(--ink-soft); }

.page-contract .claim-block {
  background: var(--accent-tint);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--rule));
}
.page-pricing-fact .claim-block {
  border-left: 3px solid var(--accent);
}
.page-boundary .hero .neighborhood,
.page-deployment-fact .hero .neighborhood { background: var(--paper-2); }
.page-ai-info { font-size: 16.5px; }
.page-ai-info .lead { font-size: 1.1rem; }
.page-ai-info section { padding: 52px 0; }

.pill.gf { color: var(--accent-ink); }

.brain-cluster { margin: 0 0 36px; }
.brain-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.brain-index .door { display: block; padding: 18px 18px 16px; }
.brain-index .door h3 { font-size: 1.12rem; margin: 8px 0 6px; }
.brain-index .door p { margin: 0; color: var(--ink-soft); font-size: .92rem; }
.brain-index .door .pill { margin-right: 6px; }
.brain-index .door.type-contract { background: var(--accent-tint); }
.brain-index .door.type-boundary,
.brain-index .door.type-deployment-fact {
  border: 2px solid var(--ink);
}
.brain-index .door.type-pricing-fact {
  border-left: 3px solid var(--accent);
}

.hop-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1 1 100%;
  min-width: 0;
}
.machine-line {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--muted);
  margin-top: 28px;
}

.tier-card { min-height: 100%; }
.tier-card .in { margin-top: 12px; }
.proof-demo { margin-top: 8px; }
.proof-slice { margin-top: 22px; }
.backlog-banner {
  background: #fbf3e6; border-bottom: 1px solid #e6d3ab;
  padding: 10px 0; font-size: .9rem; color: #6b5a34; text-align: center;
}

@media (max-width: 920px) {
  .timeline.span-4 { grid-template-columns: 1fr; }
  .claim-meta div { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .brain-index { grid-template-columns: 1fr; }
  .neighborhood { align-items: stretch; }
  a.hop { display: flex; }
}
@media (max-width: 560px) {
  .neighborhood, .hop-strip, .grid-2 { min-width: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .receipt { transition: none; }
  .claim-block:target { outline: none; }
}
/* media-pass: I3 growth strip + I7 halo + attribution field */
.step .growth {
  margin: 12px 0 10px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  border-radius: 6px;
  overflow: hidden;
}
.step .growth img {
  display: block;
  width: 100%;
  height: auto;
}
.halo-doors { position: relative; overflow-x: hidden; }
.halo-doors::before {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  top: -12%;
  height: 88%;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 62% at 50% 42%,
      color-mix(in srgb, var(--accent) 14%, transparent) 0%,
      color-mix(in srgb, var(--accent) 6%, transparent) 40%,
      transparent 72%);
}
.halo-doors > .wrap { position: relative; z-index: 1; }
.attr-q {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}
.attr-q .qline { margin-bottom: 6px; }


/* Pricing flat-band chart */
.chart-wrap { position: relative; margin: 26px 0 0; }
.chart-wrap figcaption { font-size: .82rem; color: var(--muted); margin-top: 10px; }
.chart-tip {
  position: absolute;
  max-width: 280px;
  background: var(--ink);
  color: var(--paper);
  font-size: .82rem;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: 6px;
  pointer-events: none;
  z-index: 5;
}
.chart-tip .tip-gf { color: #bfe0d2; }
.chart-table { margin-top: 14px; font-size: .9rem; }
.chart-table summary { color: var(--muted); cursor: pointer; }
.chart-table table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.chart-table th, .chart-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule-soft); }
.chart-table th { font-size: .8rem; color: var(--muted); font-weight: 600; }