:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --ink: #15202b;
  --muted: #5c6773;
  --line: #d9dee5;
  --accent: #0f766e;
  --surface: #ffffff;
}

* {
  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(--ink);
  background: var(--bg);
}

.shell {
  width: min(1040px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-content: center;
  gap: 32px;
  padding: 48px 0;
}

.intro {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.intro p:last-child {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.panel > div {
  min-height: 112px;
  padding: 22px;
  background: var(--surface);
}

.label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

strong {
  font-size: 1.1rem;
}

@media (max-width: 720px) {
  .panel {
    grid-template-columns: 1fr;
  }
}