/* Proofhouse public site. Dark ledger, acid stop, resting state painted.
   No content waits on a keyframe. Motion is hover colour only. */
:root {
  --ground: #0b0c0e;
  --ground-2: #12141a;
  --panel: #16181f;
  --ink: #f2efe6;
  --muted: #8b909c;
  --rule: #2a2e38;
  --acid: #d7f24a;
  --pass: #3ee07a;
  --refused: #f08a3a;
  --hold: #e6c14a;
  --paper: #f4efe4;
  --paper-ink: #16120e;
  --serif: "Newsreader", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Source Code Pro", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--ground); color: var(--ink); }

body {
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.5;
  background:
    radial-gradient(900px 480px at 8% -8%, #1b1e27 0%, transparent 55%),
    var(--ground);
  min-height: 100vh;
}

a { color: var(--ink); text-underline-offset: 0.18em; }
a:hover { color: var(--acid); }
code, .mono { font-family: var(--mono); font-size: 0.86em; }

.sr {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.shell {
  width: min(92rem, calc(100% - 2.2rem));
  margin: 0 auto;
}

.mast {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.1rem 0 1rem;
  border-bottom: 1px solid var(--rule);
}

.brand { text-decoration: none; color: var(--ink); line-height: 1.1; }
.wordmark {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}
.wordmark .stop { color: var(--acid); }
.brand .tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.beta {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--acid);
  color: var(--acid);
  padding: 0.12rem 0.4rem;
}

.nav {
  display: flex;
  gap: 1.15rem;
  margin-left: 0.6rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--acid);
}

.search { margin-left: auto; }
.search input {
  background: #0e1015;
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.88rem;
  padding: 0.45rem 0.7rem;
  min-width: 16rem;
}

.btn-verify {
  background: var(--acid);
  color: #111;
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.5rem 0.9rem;
}
.btn-verify:hover { color: #111; filter: brightness(1.05); }

.demo-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  color: var(--muted);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.8rem;
}

.answer-block { padding: 2.6rem 0 1.2rem; max-width: 46rem; }
.answer-block h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 1rem;
}
.answer {
  margin: 0;
  max-width: 42rem;
  color: #ddd6c8;
  font-size: 1.08rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  padding: 1.4rem 0 3rem;
  align-items: start;
}

.tagline {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acid);
  margin: 0 0 1rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}
.stats-hero { margin-top: 1.4rem; }
.stat {
  border: 1px solid var(--rule);
  background: var(--ground-2);
  padding: 0.85rem 0.9rem 0.8rem;
}
.stat .n {
  font-family: var(--serif);
  font-size: 1.85rem;
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat .d {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.45rem;
}
.stat .s { color: var(--muted); font-size: 0.82rem; margin-top: 0.2rem; }

.slip {
  background: var(--paper);
  color: var(--paper-ink);
  border: 4px solid var(--acid);
  outline: 1px solid var(--acid);
  outline-offset: 5px;
  padding: 1.3rem 1.4rem 1.1rem;
  box-shadow: 10px 12px 0 var(--acid);
}
.slip-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6b655c;
  border-bottom: 1px dashed #c9c0b0;
  padding-bottom: 0.5rem;
  margin-bottom: 0.8rem;
}
.slip-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 1rem;
  padding: 0.38rem 0;
  border-bottom: 1px dotted #d5ccbe;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.slip-row b {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  font-weight: 500;
  text-transform: none;
}
.slip-foot {
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  color: #6b655c;
}

.section {
  padding: 3rem 0;
  border-top: 1px solid var(--rule);
}
.kicker {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--acid);
  margin: 0 0 0.65rem;
}
.section h2, .page-head h1, .ledger-hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.03em;
}
.section h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  margin: 0 0 1rem;
}
.section p { margin: 0 0 1rem; max-width: 42rem; color: #ddd6c8; }

.fits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 1.4rem;
}
.fits article { background: var(--ground-2); padding: 1.2rem; }
.fits h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
  color: var(--acid);
}
.fits p { margin: 0; color: var(--ink); max-width: none; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
  margin-top: 1.4rem;
}
.steps ol { display: contents; }
.steps li { list-style: none; margin: 0; }
.steps h3 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.4rem;
}
.steps p { margin: 0; color: var(--ink); }

.states {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-top: 1.6rem;
}
.state { border: 1px solid var(--rule); padding: 1.2rem; }
.state .mark {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--acid);
}
.state h3 {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
  margin: 0.3rem 0 0.45rem;
}
.state p { margin: 0; }

.principle { padding: 3.6rem 0; border-top: 1px solid var(--rule); }
.principle blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 22ch;
}
.closer { padding: 2.6rem 0 3.4rem; border-top: 1px solid var(--rule); }
.closer h2 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  font-weight: 500;
  margin: 0;
}

.page-head { padding: 2.4rem 0 1.2rem; }
.page-head h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  margin: 0 0 0.55rem;
}
.page-head p { margin: 0; color: var(--muted); max-width: 42rem; }

.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.18rem 0.45rem;
  border-radius: 999px;
  font-weight: 500;
}
.pill-pass { background: #16351f; color: var(--pass); }
.pill-refused { background: #3a2414; color: var(--refused); }
.pill-hold { background: #3a3214; color: var(--hold); }

.ledger-page { padding-bottom: 2rem; }
.ledger-hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr 12rem;
  gap: 1.4rem;
  padding: 2rem 0 1.4rem;
  align-items: start;
}
.ledger-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  margin: 0 0 0.7rem;
  max-width: 16ch;
}
.ledger-hero h1 em { font-style: italic; color: var(--acid); }
.ledger-hero p { margin: 0; color: #c9c4b8; max-width: 36rem; }

.orb {
  width: 11rem;
  height: 11rem;
  border-radius: 50%;
  justify-self: end;
  background:
    radial-gradient(circle at 32% 30%, #d9dde8 0 8%, transparent 9%),
    radial-gradient(circle at 38% 38%, #6d7382 0%, #1a1d24 42%, #07080a 70%);
  box-shadow: inset -18px -12px 30px rgba(0,0,0,0.55);
}

.ledger-split {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.8fr);
  gap: 1.2rem;
  align-items: start;
}

.filters { display: flex; gap: 0.4rem; margin: 0.4rem 0 0.8rem; }
.filters button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
}
.filters button.on, .filters button:hover {
  color: var(--ink);
  border-color: var(--acid);
}

.ledger {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.ledger th {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
  padding: 0.45rem 0.55rem 0.45rem 0;
}
.ledger td {
  padding: 0.72rem 0.55rem 0.72rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.ledger tr.ledger-row { cursor: pointer; }
.ledger tr.ledger-row:hover, .ledger tr.ledger-row.on {
  background: #14171e;
}
.ledger a { color: var(--ink); text-decoration: none; }
.ledger a:hover { color: var(--acid); }
.ledger .sub, .ledger .chain { color: var(--muted); font-size: 0.82rem; }
.ledger .chain { color: var(--hold); }

.panel {
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 1.1rem 1.15rem 1.3rem;
}
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.panel h2 {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 500;
  margin: 0.35rem 0 0.15rem;
}
.anon { margin: 0 0 0.8rem; color: var(--muted); }
.quote {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin: 0 0 1rem;
  color: #e7e2d6;
}
.panel-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin: 0 0 1rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.8rem 0;
}
.panel-stats b {
  display: block;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
}
.panel-stats span {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta { display: grid; gap: 0.4rem; }
.meta-row {
  display: grid;
  grid-template-columns: 8.5rem 1fr auto;
  gap: 0.4rem;
  align-items: baseline;
}
.meta-row span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.copy {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  cursor: pointer;
}
.copy:hover { color: var(--acid); border-color: var(--acid); }

.tabs {
  display: flex;
  gap: 1rem;
  margin: 1.1rem 0 0.7rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.4rem;
}
.tabs a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
}
.tabs a:hover, .tabs a:focus { color: var(--acid); }
.tab-panel { display: none; }
#findings { display: block; }
.panel:has(#sources:target) #findings,
.panel:has(#document:target) #findings,
.panel:has(#metadata:target) #findings { display: none; }
#sources:target, #document:target, #metadata:target { display: block; }

.findings { list-style: none; margin: 0; padding: 0; }
.findings li { padding: 0.45rem 0; border-bottom: 1px solid var(--rule); }
.finding-ok { color: var(--pass); }
.finding-fail { color: var(--refused); }
.finding-hold { color: var(--hold); }
.finding-sources { color: var(--ink); }

table.sources { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.sources th, table.sources td {
  text-align: left; padding: 0.35rem 0.4rem 0.35rem 0;
  border-bottom: 1px solid var(--rule);
}

.qr { margin: 1rem 0; }
.qr img { width: 8.5rem; height: 8.5rem; background: #fff; padding: 0.35rem; }
.fpr { word-break: break-all; }
.gap { color: var(--refused); }

.crypto-box {
  border: 1px solid var(--rule);
  padding: 1rem 1.1rem;
  margin: 1.4rem 0;
}
.crypto-box li { margin: 0.4rem 0; }
.crypto-box .ok { color: var(--pass); }
.crypto-box .bad { color: var(--refused); }
.crypto-box.failed ul { display: none; }
.crypto-box .panel-fail { font-weight: 600; margin: 0.6rem 0 0; }

.verify-box form {
  display: grid;
  gap: 0.8rem;
  max-width: 36rem;
}
.verify-box label { display: grid; gap: 0.3rem; color: var(--muted); }
.verify-box input[type="text"], .verify-box input[type="file"] {
  background: #0e1015;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 0.45rem 0.6rem;
  font-family: var(--mono);
}
.verify-box button {
  width: max-content;
  background: var(--acid);
  color: #111;
  border: 0;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}
.verify-result { margin-top: 1rem; }

.site-foot {
  border-top: 1px solid var(--rule);
  padding: 1.8rem 0 2.4rem;
  margin-top: 2rem;
}
.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.4rem;
  flex-wrap: wrap;
}
.foot-links {
  display: flex;
  gap: 1.2rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.foot-links a { text-decoration: none; color: var(--muted); }
.fine { margin-top: 1.1rem; font-size: 0.8rem; color: var(--muted); }

@media (max-width: 980px) {
  .hero, .fits, .steps, .states, .ledger-hero, .ledger-split {
    grid-template-columns: 1fr;
  }
  .search input { min-width: 10rem; }
  .orb { display: none; }
  .meta-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}