:root {
  --ink: #11162A;
  --ink-soft: #1A2140;
  --ink-line: #2C3560;
  --paper: #F1ECDD;
  --paper-shadow: #E4DCC4;
  --paper-line: #D9CEA8;
  --text-ink: #241C12;
  --text-onDark: #ECE6D4;
  --muted-onDark: #8890B5;
  --muted-onPaper: #8F8770;
  --gold: #C9A227;
  --gold-soft: #E4C877;
  --teal: #4FADA0;
  --up: #6FBF73;
  --down: #E0665A;

  --font-display: "PT Serif", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Ticker ---------- */

.ticker-wrap {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--ink-soft);
  border-bottom: 1px solid var(--gold);
  border-top: 1px solid rgba(228,200,119,0.25);
  padding: 8px 16px;
  box-shadow: 0 4px 16px -8px rgba(0,0,0,0.6);
}

.ticker-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
  border: 1px solid rgba(228,200,119,0.35);
  border-radius: 999px;
  padding: 3px 10px 3px 8px;
}

.ticker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--up);
  animation: ticker-pulse 1.8s ease-in-out infinite;
}

@keyframes ticker-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(111,191,115,0.5); }
  50% { opacity: 0.5; box-shadow: 0 0 0 4px rgba(111,191,115,0); }
}

.ticker-viewport {
  flex: 1;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0, black 24px, black calc(100% - 24px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 24px, black calc(100% - 24px), transparent 100%);
}

.ticker-track {
  display: inline-flex;
  white-space: nowrap;
  animation: ticker-scroll 32s linear infinite;
  width: max-content;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 0 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-right: 1px solid var(--ink-line);
}

.ticker-symbol {
  color: var(--text-onDark);
  font-weight: 500;
}

.ticker-price {
  color: var(--gold-soft);
}

.ticker-change { font-size: 0.74rem; }
.ticker-up { color: var(--up); }
.ticker-down { color: var(--down); }
.ticker-error { color: var(--muted-onDark); font-family: var(--font-mono); font-size: 0.78rem; padding: 0 4px; }

@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation-play-state: paused; }
  .ticker-dot { animation: none; opacity: 1; }
}

body {
  margin: 0;
  background: var(--ink);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(201,162,39,0.10), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 3px);
  color: var(--text-onDark);
  font-family: var(--font-body);
  line-height: 1.5;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--teal); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

.desk {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 20px 88px;
  position: relative;
}

/* ---------- Masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--ink-line);
  padding-bottom: 26px;
  margin-bottom: 48px;
}

.eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-onDark);
}

.masthead-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.masthead-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--gold);
  filter: drop-shadow(0 0 6px rgba(201,162,39,0.35));
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 7vw, 3.1rem);
  letter-spacing: 0.04em;
  margin: 0;
  color: var(--text-onDark);
  background: linear-gradient(90deg, var(--gold-soft), var(--gold) 60%, var(--gold-soft));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.masthead-meta {
  font-family: var(--font-mono);
  text-align: right;
  line-height: 1.3;
}

.meta-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-onDark);
}

.meta-value {
  display: block;
  font-size: 1.05rem;
  color: var(--gold-soft);
}

.masthead-sub {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.tagline {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-onDark);
  opacity: 0.8;
}

.lang-switch {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  text-decoration: none;
  border: 1px solid var(--ink-line);
  border-radius: 3px;
  padding: 3px 9px;
}

.lang-switch:hover,
.lang-switch:focus-visible {
  border-color: var(--gold-soft);
}

.updated {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-onDark);
}

/* ---------- Chain ---------- */

.chain {
  position: relative;
  padding-left: 34px;
}

.chain::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--ink-line) 0px,
    var(--ink-line) 6px,
    transparent 6px,
    transparent 11px
  );
}

.block {
  position: relative;
  margin-bottom: 26px;
}

.block-node {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 4px var(--ink);
}

.block-card {
  background: var(--paper);
  background-image:
    radial-gradient(circle at 18% 25%, rgba(36,28,18,0.035) 0%, transparent 42%),
    radial-gradient(circle at 82% 75%, rgba(36,28,18,0.03) 0%, transparent 46%);
  color: var(--text-ink);
  border-radius: 4px;
  padding: 20px 22px 18px;
  box-shadow: 0 14px 30px -16px rgba(0,0,0,0.5), 0 1px 0 var(--paper-shadow);
  border-left: 3px solid var(--gold);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-left-color 0.2s ease;
}

.block-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -16px rgba(0,0,0,0.6), 0 1px 0 var(--paper-shadow);
  border-left-color: var(--gold-soft);
}

.block-node {
  transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.block:hover .block-node {
  border-color: var(--gold-soft);
  box-shadow: 0 0 0 4px var(--ink), 0 0 12px 2px rgba(228,200,119,0.35);
}

.block-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted-onPaper);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.block-index {
  color: var(--gold);
  font-weight: 500;
}

.block-source {
  color: var(--teal);
  font-weight: 500;
}

.block-meta .dot {
  opacity: 0.5;
}

.block-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.26rem;
  line-height: 1.34;
  margin: 0 0 9px;
  letter-spacing: -0.01em;
}

.block-summary {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-ink);
}

.block-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--teal);
  border-bottom: 1px solid transparent;
}

.block-link:hover,
.block-link:focus-visible {
  border-bottom-color: var(--teal);
}

/* ---------- Footer ---------- */

.colophon {
  margin-top: 52px;
  padding-top: 24px;
  position: relative;
  font-size: 0.82rem;
  color: var(--muted-onDark);
  line-height: 1.6;
}

.colophon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.colophon strong {
  color: var(--text-onDark);
}

/* ---------- Scroll reveal ---------- */

.block {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.block.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Empty / error state ---------- */

.chain-empty {
  font-family: var(--font-mono);
  color: var(--muted-onDark);
  font-size: 0.85rem;
  padding: 20px 0;
}

@media (max-width: 480px) {
  .desk { padding: 40px 16px 60px; }
  .block-card { padding: 16px 16px 14px; }
}