:root {
  color-scheme: light;
  --bg: #f4f7f8;
  --panel: #ffffff;
  --text: #15212a;
  --muted: #58707f;
  --line: #d8e1e5;
  --green: #0b8a55;
  --teal: #0a6e7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.hero {
  min-height: 56vh;
  display: grid;
  align-items: center;
  padding: 48px 24px 28px;
  background: #eaf1f3;
}

.hero-inner {
  width: min(100%, 1040px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 48px;
  align-items: center;
}

.hero-copy {
  max-width: 640px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  min-height: 320px;
}

.signal-grid span {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #eef5f7 100%);
}

.signal-grid span:nth-child(3n) {
  background: linear-gradient(180deg, #dff3ec 0%, #f8fbfc 100%);
}

.shell {
  display: grid;
  place-items: center;
  padding: 48px 24px 24px;
}

.status-panel {
  width: min(100%, 680px);
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 45px rgba(35, 52, 62, 0.08);
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  color: var(--teal);
  font-weight: 700;
}

.mark {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(11, 138, 85, 0.12);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 560px;
  margin: 16px 0 32px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.metrics div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfe;
}

dt {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

dd {
  margin: 0;
  font-weight: 700;
}

.content-band {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: 24px 24px 72px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

article,
.timeline {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

article {
  padding: 24px;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  letter-spacing: 0;
}

article p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.timeline {
  margin-top: 16px;
  overflow: hidden;
}

.timeline div {
  display: grid;
  grid-template-columns: 120px minmax(160px, 0.4fr) minmax(220px, 1fr);
  gap: 16px;
  padding: 18px 24px;
  border-top: 1px solid var(--line);
}

.timeline div:first-child {
  border-top: 0;
}

time,
.timeline span {
  color: var(--muted);
}

@media (max-width: 560px) {
  .hero-inner,
  .content-grid,
  .timeline div {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .signal-grid {
    min-height: 180px;
  }

  .status-panel {
    padding: 28px;
  }

  .metrics {
    grid-template-columns: 1fr;
  }
}