:root {
  color-scheme: dark;
  --bg: #07100f;
  --surface: #0c1715;
  --surface-raised: #101e1b;
  --border: #20312d;
  --border-bright: #2e4942;
  --text: #f2f7f5;
  --muted: #91a49f;
  --subtle: #60736e;
  --accent: #4ee6a8;
  --accent-soft: rgba(78, 230, 168, 0.12);
  --cyan: #62cddd;
  --positive: #55e6a9;
  --negative: #ff7f87;
  --neutral: #91a49f;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -5%, rgba(36, 139, 103, 0.16), transparent 29rem),
    radial-gradient(circle at 93% 9%, rgba(57, 128, 139, 0.1), transparent 25rem),
    var(--bg);
  font-size: 1rem;
  line-height: 1.5;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.page-shell {
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 4rem);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  align-items: end;
  gap: 3px;
  width: 30px;
  height: 30px;
  padding: 6px;
  border: 1px solid var(--border-bright);
  border-radius: 9px;
  background: var(--accent-soft);
}

.brand-mark span {
  display: block;
  border-radius: 2px;
  background: var(--accent);
}

.brand-mark span:nth-child(1) { height: 40%; }
.brand-mark span:nth-child(2) { height: 100%; }
.brand-mark span:nth-child(3) { height: 68%; }

.brand-name {
  font-size: 0.95rem;
  font-weight: 760;
  letter-spacing: 0.13em;
}

.brand-product {
  margin-left: 0.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.update-status {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.update-copy {
  display: grid;
  gap: 0.05rem;
  font-variant-numeric: tabular-nums;
}

.update-copy > span:last-child {
  color: var(--subtle);
  font-size: 0.75rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--positive);
  box-shadow: 0 0 0 4px rgba(85, 230, 169, 0.1);
}

.status-dot--stale {
  background: #e9bd6a;
  box-shadow: 0 0 0 4px rgba(233, 189, 106, 0.1);
}

.stale-badge {
  padding: 0.3rem 0.5rem;
  border: 1px solid rgba(233, 189, 106, 0.3);
  border-radius: 7px;
  color: #efd08f;
  background: rgba(233, 189, 106, 0.08);
  font-size: 0.72rem;
  font-weight: 650;
  white-space: nowrap;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 470px);
  gap: 2rem;
  align-items: end;
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.eyebrow,
.chart-kicker {
  margin: 0 0 0.65rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.35rem;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.disclaimer {
  max-width: 45ch;
  margin: 0;
  padding-left: 1rem;
  border-left: 2px solid var(--border-bright);
  color: var(--muted);
  font-size: 0.9rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.kpi-card,
.chart-card,
.distribution {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(16, 30, 27, 0.94), rgba(10, 20, 18, 0.94));
  box-shadow: var(--shadow);
}

.kpi-card {
  position: relative;
  min-height: 185px;
  padding: 1.35rem;
  overflow: hidden;
  border-radius: var(--radius);
}

.kpi-card--price::after {
  position: absolute;
  right: -45px;
  bottom: -70px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(78, 230, 168, 0.06);
  content: "";
}

.kpi-heading,
.chart-heading,
.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.kpi-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  letter-spacing: 0.025em;
}

.metric-icon {
  display: grid;
  place-items: center;
  width: 29px;
  height: 29px;
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 0.72rem;
  font-weight: 700;
}

.kpi-value {
  position: relative;
  z-index: 1;
  margin: 2rem 0 0.55rem;
  font-size: clamp(1.75rem, 2.7vw, 2.55rem);
  font-weight: 680;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.kpi-value--compact {
  font-size: clamp(1.35rem, 2vw, 1.9rem);
}

.unit {
  color: var(--muted);
  font-size: 0.46em;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.kpi-change {
  margin: 0;
  color: var(--neutral);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

.change-positive { color: var(--positive); }
.change-negative { color: var(--negative); }
.change-neutral { color: var(--neutral); }

.distribution {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0 clamp(4rem, 7vw, 6rem);
  padding: 1.05rem 1.25rem;
  border-radius: 14px;
  box-shadow: none;
}

.distribution-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 11px;
  color: var(--cyan);
  background: rgba(98, 205, 221, 0.1);
  font-size: 1.3rem;
}

.distribution-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.distribution-date {
  margin: 0;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.distribution > p {
  margin: 0 0 0 auto;
  color: var(--subtle);
  font-size: 0.82rem;
}

.section-heading {
  align-items: end;
  margin-bottom: 1.4rem;
}

.section-heading h2,
.site-footer h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.035em;
}

.range-control {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #091310;
}

.range-control button {
  min-width: 50px;
  min-height: 35px;
  padding: 0.4rem 0.7rem;
  border: 0;
  border-radius: 7px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 650;
  cursor: pointer;
}

.range-control button[aria-pressed="true"] {
  color: var(--text);
  background: var(--surface-raised);
  box-shadow: inset 0 0 0 1px var(--border-bright);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.history-note {
  margin: -0.45rem 0 1.15rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.chart-card {
  min-width: 0;
  padding: 1.35rem 1.35rem 1rem;
  border-radius: var(--radius);
}

.chart-kicker {
  margin-bottom: 0.3rem;
  color: var(--subtle);
  font-size: 0.65rem;
}

.chart-heading h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
}

.chart-current {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.chart {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1.25rem;
  overflow: visible;
}

.chart-grid-line {
  stroke: rgba(145, 164, 159, 0.12);
  stroke-width: 1;
}

.chart-area {
  fill: url(#area-gradient);
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

.chart-point {
  fill: var(--surface-raised);
  stroke: var(--accent);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.chart-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  margin-top: 0.2rem;
  color: var(--subtle);
  font-size: 0.7rem;
}

.chart-footer span:last-child {
  text-align: right;
}

.load-error {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid rgba(255, 127, 135, 0.35);
  border-radius: 12px;
  color: var(--negative);
  background: rgba(255, 127, 135, 0.06);
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 3rem;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.site-footer section {
  max-width: 650px;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 1.25rem 0 1rem;
  padding: 0;
  list-style: none;
  color: var(--text);
  font-size: 0.88rem;
}

.site-footer li::before {
  margin-right: 0.45rem;
  color: var(--accent);
  content: "·";
}

.site-footer section > p:last-child {
  margin-bottom: 0;
  font-size: 0.84rem;
}

.site-footer .privacy-note {
  margin-top: 0.8rem;
  color: var(--subtle);
}

.footer-brand {
  margin: 0;
  color: var(--text);
  font-weight: 650;
  white-space: nowrap;
}

.footer-brand span {
  display: block;
  color: var(--subtle);
  font-size: 0.72rem;
  font-weight: 500;
  text-align: right;
}

@media (max-width: 1050px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-value--compact {
    font-size: clamp(1.6rem, 4vw, 2.3rem);
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 74px;
  }

  .update-status {
    justify-content: flex-end;
    max-width: 255px;
    flex-wrap: wrap;
    text-align: right;
  }

  .intro {
    grid-template-columns: 1fr;
    gap: 1.6rem;
    align-items: start;
    padding-top: 3.2rem;
  }

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

  .kpi-card {
    min-height: 165px;
  }

  .distribution {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .distribution > p {
    width: 100%;
    margin-left: 54px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-brand span {
    text-align: left;
  }
}

@media (max-width: 430px) {
  .page-shell {
    padding: 0 0.85rem;
  }

  .brand-product {
    display: none;
  }

  .update-copy > span:first-child {
    display: none;
  }

  .kpi-card,
  .chart-card {
    border-radius: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}