:root {
  --bg: #eef2e9;
  --bg-accent: radial-gradient(circle at 0% 0%, #dbe7d3 0%, #eef2e9 55%, #f8f7f2 100%);
  --card: #fbfdfb;
  --ink: #1d2a1d;
  --muted: #455543;
  --line: #d3dfd4;
  --accent: #0f766e;
  --danger: #b91c1c;
  --shadow: 0 20px 45px rgba(34, 52, 30, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background: var(--bg-accent);
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.hero {
  margin: 1.5rem 0 2rem;
}

.kicker {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.4rem;
}

h1,
h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  color: #152312;
}

h1 {
  font-size: clamp(2rem, 4.8vw, 3rem);
  line-height: 1.05;
}

.hero p {
  max-width: 80ch;
}

.chart-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--shadow);
  margin: 1.2rem 0;
}

.subtitle,
.meta {
  color: var(--muted);
  margin: 0.4rem 0;
}

.meta {
  font-size: 0.88rem;
}

.meta span {
  display: inline-block;
  margin-right: 0.8rem;
}

.meta a {
  color: var(--accent);
  text-decoration: none;
}

.meta a:hover {
  text-decoration: underline;
}

.chart {
  min-height: 340px;
  width: 100%;
  margin-top: 0.8rem;
}

svg {
  width: 100%;
  height: auto;
  display: block;
}

.axis text {
  font-size: 11px;
  fill: #425341;
  font-family: "IBM Plex Mono", monospace;
}

.axis path,
.axis line {
  stroke: #c4d2c4;
}

.dot-label,
.gap-label,
.legend-label,
.quadrant-label {
  font-size: 10px;
  fill: #213220;
  font-family: "IBM Plex Mono", monospace;
}

.chart-tooltip {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.35;
  box-shadow: 0 4px 12px rgba(34, 52, 30, 0.12);
  z-index: 100;
}

.insight-callout {
  background: #f0f5ee;
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  margin: 0.8rem 0;
  border-radius: 0 8px 8px 0;
  color: #30412f;
}

.summary-panel {
  margin-top: 1.8rem;
  background: #edf3ea;
  border: 1px solid #c8d6c8;
  border-radius: 14px;
  padding: 1rem;
}

@media (max-width: 768px) {
  .chart {
    min-height: 280px;
  }

  .insight-callout {
    font-size: 0.92rem;
  }
}