:root {
  /* Dark theme — exact tokens from the app's src/index.css .dark block */
  --ink-950: hsl(225 7% 5%);      /* --background */
  --ink-900: hsl(225 7% 9%);
  --ink-850: hsl(225 8% 7%);      /* --card */
  --ink-700: hsl(225 5% 16%);     /* --border */
  --ink-500: hsl(220 5% 40%);
  --ink-300: hsl(220 5% 56%);     /* --muted-foreground */
  --paper: hsl(220 13% 91%);      /* --foreground */
  --brass: hsl(262 83% 58%);      /* --primary */
  --brass-strong: hsl(262 83% 68%);
  --petrol: hsl(174 55% 38%);
  --petrol-strong: hsl(174 55% 50%);
  --up: hsl(152 43% 51%);         /* --success */
  --down: hsl(0 76% 60%);         /* --destructive */
  --line: var(--ink-700);
  --surface: var(--ink-850);
  --text: var(--paper);
  --text-dim: var(--ink-300);
  --ground: var(--ink-950);
  --radius: 3px;
}

:root[data-theme="light"] {
  --line: hsl(220 13% 91%);
  --surface: hsl(0 0% 100%);
  --text: hsl(222 14% 12%);
  --text-dim: hsl(220 9% 42%);
  --ground: hsl(0 0% 100%);
  --brass: hsl(262 83% 58%);
  --brass-strong: hsl(262 83% 46%);
  --petrol: hsl(174 60% 30%);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --line: hsl(220 13% 91%);
    --surface: hsl(0 0% 100%);
    --text: hsl(222 14% 12%);
    --text-dim: hsl(220 9% 42%);
    --ground: hsl(0 0% 100%);
    --brass: hsl(262 83% 58%);
    --brass-strong: hsl(262 83% 46%);
    --petrol: hsl(174 60% 30%);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}
::selection { background: var(--brass); color: hsl(0 0% 100%); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 2rem; }
img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  text-wrap: balance;
  margin: 0;
  letter-spacing: -0.01em;
}

.data, .ticker, .price, .num {
  font-family: 'IBM Plex Mono', 'IBM Plex Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

a { color: inherit; }

/* ---- Ticker strip ---- */
.ticker-bar {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}
.ticker-bar::before, .ticker-bar::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 48px;
  z-index: 2;
  pointer-events: none;
}
.ticker-bar::before { left: 0; background: linear-gradient(90deg, var(--surface), transparent); }
.ticker-bar::after { right: 0; background: linear-gradient(270deg, var(--surface), transparent); }
.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
  padding: 0.55rem 0;
  animation: scroll-ticker 38s linear infinite;
  font-size: 0.78rem;
}
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}
.ticker-track span { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--text-dim); letter-spacing: 0.02em; }
.ticker-track b { color: var(--text); font-weight: 500; }
.ticker-track .up { color: var(--up); }
.ticker-track .down { color: var(--down); }
@keyframes scroll-ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 0; }
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.brand img { width: 26px; height: 26px; border-radius: 5px; }
.brand-word { font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.08rem; color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 2rem; font-size: 0.86rem; color: var(--text-dim); }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--brass-strong); }
.theme-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  border-radius: var(--radius);
  padding: 0.4rem 0.65rem;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: inherit;
}
.nav-cta {
  border: 1px solid var(--brass);
  color: var(--brass-strong);
  padding: 0.5rem 1.05rem;
  border-radius: var(--radius);
  font-size: 0.83rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--brass); color: hsl(0 0% 100%); }
.nav-right { display: flex; align-items: center; gap: 0.9rem; }

/* ---- Hero ---- */
.hero { padding: 4.5rem 0 3.5rem; border-bottom: 1px solid var(--line); }
.hero-doc { padding-bottom: 1rem; }
.hero-grid { display: grid; grid-template-columns: 1fr 0.92fr; gap: 3.5rem; align-items: center; }
.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--petrol-strong);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow::before { content: "▲"; font-size: 0.6rem; }
.hero h1 { font-size: clamp(2.3rem, 4.1vw, 3.55rem); }
.hero h1 em { font-style: normal; color: var(--brass-strong); }
.hero .lede { margin-top: 1.3rem; font-size: 1.08rem; color: var(--text-dim); max-width: 32rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.1rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-brass { background: var(--brass); color: hsl(0 0% 100%); }
.btn-brass:hover { background: var(--brass-strong); }
.btn-line { border-color: var(--line); color: var(--text); }
.btn-line:hover { border-color: var(--brass); }

.ledger-facts {
  margin-top: 2.6rem;
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 2.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.ledger-facts div { display: flex; flex-direction: column; gap: 0.2rem; }
.ledger-facts .num { font-size: 1.3rem; color: var(--text); }
.ledger-facts .label { font-size: 0.74rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.04em; }

.hero-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.hero-frame .chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-dim);
}
.hero-frame .chrome .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.hero-frame img { width: 100%; }

/* ---- Section shell ---- */
section { padding: 4.5rem 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: 2.75rem; flex-wrap: wrap; }
.section-head .kicker { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--petrol-strong); margin-bottom: 0.7rem; }
.section-head h2 { font-size: clamp(1.55rem, 2.6vw, 2.15rem); max-width: 30rem; }
.section-head p.sub { color: var(--text-dim); max-width: 24rem; font-size: 0.95rem; margin: 0; }

/* ---- Feature ledger ---- */
.ledger {
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.ledger-row {
  display: grid;
  grid-template-columns: 3.2rem 1.4fr 2fr;
  gap: 1.75rem;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.ledger-row:last-child { border-bottom: none; }
.ledger-row .idx { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--brass); }
.ledger-row h3 { font-size: 1.08rem; font-weight: 600; font-family: 'Fraunces', serif; }
.ledger-row p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

@media (max-width: 760px) {
  .ledger-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .ledger-row .idx { display: none; }
}

/* ---- Markets grid ---- */
.markets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.market-cell {
  padding: 1.4rem 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.market-cell:nth-child(4n) { border-right: none; }
.market-cell .cat { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); margin-bottom: 0.6rem; }
.market-cell .items { font-family: 'IBM Plex Mono', monospace; font-size: 0.86rem; color: var(--text); line-height: 1.8; }
@media (max-width: 760px) {
  .markets-grid { grid-template-columns: repeat(2, 1fr); }
  .market-cell:nth-child(2n) { border-right: none; }
  .market-cell:nth-child(4n) { border-right: 1px solid var(--line); }
}

/* ---- Pricing ---- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.plan {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem;
  display: flex;
  flex-direction: column;
}
.plan.featured { border-color: var(--brass); position: relative; }
.plan.featured::before {
  content: "PREFERRED";
  position: absolute;
  top: -0.6rem;
  left: 1.7rem;
  background: var(--brass);
  color: hsl(0 0% 100%);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
}
.plan .name { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dim); }
.plan .price { font-family: 'Fraunces', serif; font-size: 2.15rem; font-weight: 600; margin: 0.6rem 0 1.4rem; }
.plan .price span { font-family: 'IBM Plex Sans', sans-serif; font-size: 0.9rem; font-weight: 400; color: var(--text-dim); }
.plan ul { list-style: none; margin: 0 0 1.6rem; padding: 0; display: flex; flex-direction: column; gap: 0.7rem; font-size: 0.88rem; border-top: 1px solid var(--line); padding-top: 1.4rem; }
.plan li { display: flex; gap: 0.6rem; }
.plan li::before { content: "—"; color: var(--brass); flex-shrink: 0; }
.plan .btn { margin-top: auto; justify-content: center; }

/* ---- CTA band ---- */
.cta-band {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 3rem;
  background: var(--surface);
}
.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.cta-band p { color: var(--text-dim); margin-top: 0.8rem; }
.cta-band .hero-ctas { margin-top: 1.6rem; }
.cta-figure {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  border-left: 1px solid var(--line);
  padding-left: 2rem;
  line-height: 2.1;
}
.cta-figure b { color: var(--text); font-weight: 500; }
@media (max-width: 760px) {
  .cta-band { grid-template-columns: 1fr; }
  .cta-figure { border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 1.5rem; }
}

/* ---- Doc pages (terms / privacy / about) ---- */
.doc { max-width: 42rem; }
.doc .doc-updated { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--text-dim); margin-bottom: 2.5rem; }
.doc h1 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 0.5rem; }
.doc section { padding: 0 0 2.2rem; border-bottom: none; }
.doc section + section { padding-top: 2.2rem; border-top: 1px solid var(--line); }
.doc h2 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.8rem; font-family: 'IBM Plex Sans', sans-serif; }
.doc p, .doc li { color: var(--text-dim); font-size: 0.95rem; line-height: 1.7; }
.doc p + p { margin-top: 0.9rem; }
.doc ul { padding-left: 1.2rem; margin: 0.5rem 0; }
.doc li + li { margin-top: 0.5rem; }
.doc li strong, .doc p strong { color: var(--text); font-weight: 600; }
.doc a { color: var(--brass-strong); text-decoration: underline; text-underline-offset: 2px; }

/* ---- Footer ---- */
footer { padding: 2.75rem 0; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.2rem; }
.footer-links { display: flex; gap: 1.6rem; flex-wrap: wrap; font-size: 0.83rem; color: var(--text-dim); }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--brass-strong); }
.footer-fine { margin-top: 1.8rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: 0.76rem; color: var(--text-dim); line-height: 1.7; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .ledger-facts { grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .markets-grid { grid-template-columns: 1fr; }
  .market-cell { border-right: none !important; }
}