:root {
  --page: #f0f4f7;
  --card: #ffffff;
  --title: #101418;
  --muted: #8e8e93;
  --accent: #3390ec;
  --chip: rgba(51, 144, 236, 0.1);
  --chip-text: #2b7fd4;
  --shadow: 0 1px 2px rgba(16, 20, 24, 0.05), 0 8px 24px rgba(16, 20, 24, 0.06);
  --switch-bg: #ffffff;
  --switch-border: rgba(16, 20, 24, 0.08);
  --duration: 360ms;
}

[data-theme='dark'] {
  --page: #17212b;
  --card: #242f3e;
  --title: #ffffff;
  --muted: #8596ab;
  --accent: #6ab3f3;
  --chip: rgba(106, 179, 243, 0.14);
  --chip-text: #8ec6f7;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.24), 0 8px 24px rgba(0, 0, 0, 0.26);
  --switch-bg: #242f3e;
  --switch-border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  padding: 0 16px 64px;
  background: var(--page);
  color: var(--title);
  font: 400 15px/1.5 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--duration) ease, color var(--duration) ease;
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 4px 28px;
}

.hero__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.hero__title {
  margin: 0;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  margin: 8px 0 0;
  max-width: 46ch;
  color: var(--muted);
  transition: color var(--duration) ease;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 10px 16px;
  border: 1px solid var(--switch-border);
  border-radius: 999px;
  background: var(--switch-bg);
  box-shadow: var(--shadow);
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background-color var(--duration) ease, color var(--duration) ease,
    border-color var(--duration) ease, transform 120ms ease;
}

.switch:hover {
  transform: translateY(-1px);
}

.switch:active {
  transform: translateY(0);
}

.switch__icon {
  display: block;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.chip {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--chip-text);
  font-size: 13px;
  font-weight: 500;
  transition: background-color var(--duration) ease, color var(--duration) ease;
}

.hero__eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.hero__eyebrow a,
.footer a {
  color: var(--accent);
  text-decoration: none;
}

.hero__eyebrow a:hover,
.footer a:hover {
  text-decoration: underline;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.nav__link {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--chip-text);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color var(--duration) ease, color var(--duration) ease;
}

.nav__link:hover {
  background: var(--card);
  box-shadow: var(--shadow);
}

.page {
  max-width: 1120px;
  margin: 0 auto;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 34px;
}

.kpi {
  padding: 16px 16px 8px;
  border-radius: 14px;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: background-color var(--duration) ease;
}

.kpi__label {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: color var(--duration) ease;
}

.kpi__value {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 4px 0 0;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.kpi__delta {
  font-size: 13px;
  font-weight: 600;
}

.kpi__delta--up,
.readout__delta--up {
  color: #2fa84f;
}

.kpi__delta--down,
.readout__delta--down {
  color: #e2483d;
}

[data-theme='dark'] .kpi__delta--up,
[data-theme='dark'] .readout__delta--up {
  color: #5fd36f;
}

[data-theme='dark'] .kpi__delta--down,
[data-theme='dark'] .readout__delta--down {
  color: #ff5f57;
}

.section {
  margin-bottom: 40px;
  scroll-margin-top: 20px;
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 4px 14px;
}

.section__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section__meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  transition: color var(--duration) ease;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 20px;
  max-width: 1120px;
  margin: 0 auto;
}

.card--wide {
  grid-column: 1 / -1;
}

.card {
  padding: 18px 18px 14px;
  border-radius: 14px;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: background-color var(--duration) ease, box-shadow var(--duration) ease;
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.card__hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  transition: color var(--duration) ease;
}

.card__hint code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.readout {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 2px 0 4px;
  font-variant-numeric: tabular-nums;
}

.readout__dot {
  width: 8px;
  height: 8px;
  align-self: center;
  border-radius: 50%;
  background: #2fa84f;
  animation: pulse 1.4s ease-in-out infinite;
}

.readout--paused .readout__dot {
  animation: none;
  background: var(--muted);
}

.readout__price {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.readout__delta {
  font-size: 13px;
  font-weight: 600;
}

.readout__stamp {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
  transition: color var(--duration) ease;
}

.readout__pause {
  padding: 4px 12px;
  border: 1px solid var(--switch-border);
  border-radius: 999px;
  background: var(--switch-bg);
  color: var(--title);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--duration) ease, color var(--duration) ease,
    border-color var(--duration) ease;
}

.readout__pause:hover {
  color: var(--accent);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

@media (prefers-reduced-motion: reduce) {
  .readout__dot {
    animation: none;
  }
}

.chart {
  width: 100%;
}

.footer {
  max-width: 1120px;
  margin: 36px auto 0;
  padding: 0 4px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  transition: color var(--duration) ease;
}

@media (max-width: 520px) {
  body {
    padding: 0 12px 48px;
  }

  .hero {
    padding-top: 32px;
  }

  .hero__row {
    flex-direction: column;
  }

  .hero__title {
    font-size: 28px;
  }

  .grid,
  .kpis {
    grid-template-columns: 1fr;
  }
}