:root {
  --ink: #241F45;
  --surface: #17142B;
  --teal: #2FBFAE;
  --gold: #E2A44C;
  --gold-light: #EEBD7C;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--surface);
  color: #FFFFFF;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.mono {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
}

a {
  color: inherit;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

nav.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

nav.site-nav .brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

nav.site-nav .brand img {
  height: 34px;
  display: block;
}

nav.site-nav .links {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav.site-nav .links a.nav-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

nav.site-nav .links a.nav-link:hover {
  color: #FFFFFF;
}

.page-header {
  padding: 56px 0 40px;
}

.eyebrow {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 24px;
}

h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.lede {
  font-size: 17px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.62);
  max-width: 56ch;
  margin: 0;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 0 0 40px;
}

.price-card {
  padding: 20px 22px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(226, 164, 76, 0.35);
}

.price-card .label {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 6px;
}

.price-card .value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.price-card .timestamp {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  margin: 6px 0 0;
}

.banner {
  padding: 14px 18px;
  border-radius: 4px;
  font-size: 14px;
  margin: 0 0 28px;
}

.banner.success {
  background: rgba(226, 164, 76, 0.1);
  border: 1px solid rgba(226, 164, 76, 0.35);
  color: var(--gold-light);
}

.banner.error {
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.35);
  color: #FF9B9B;
}

.convert-form {
  padding-bottom: 56px;
  max-width: 560px;
}

.convert-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 0 0 20px;
}

.convert-form label {
  display: block;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 8px;
}

.convert-form input,
.convert-form select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 3px;
  color: #FFFFFF;
  font-size: 15px;
  font-family: inherit;
}

.convert-form input:focus,
.convert-form select:focus {
  outline: none;
  border-color: var(--gold);
}

.convert-form .arrow {
  text-align: center;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin: 0 0 20px;
}

.convert-form button {
  padding: 14px 24px;
  background: var(--gold);
  color: var(--surface);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
}

.convert-form button:hover {
  background: var(--gold-light);
}

table.rates {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 64px;
  font-size: 14px;
}

table.rates th,
table.rates td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

table.rates th {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 500;
}

table.rates td.rate {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

footer a {
  text-decoration: underline;
}

@media (max-width: 640px) {
  nav.site-nav .links a.nav-link {
    display: none;
  }

  h1 {
    font-size: 30px;
  }

  .convert-form .row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}