:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --ink: #17201d;
  --muted: #5c6863;
  --line: #d8ddd5;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-2: #b45309;
  --deep: #223c3a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
.topbar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
}
nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 30px);
  color: var(--muted);
  font-size: 14px;
}
nav a:hover { color: var(--ink); }
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .65fr);
  align-items: center;
  gap: clamp(28px, 6vw, 80px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 64px);
}
.eyebrow,
.section-head p {
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 20px;
  max-width: 760px;
  font-size: clamp(64px, 13vw, 136px);
  line-height: .92;
  letter-spacing: 0;
}
h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}
h3 {
  margin-bottom: 10px;
  font-size: 18px;
  letter-spacing: 0;
}
.lead {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 24px);
}
.signal-panel {
  width: min(100%, 440px);
  justify-self: end;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(23, 32, 29, .08);
}
.chart-row {
  height: 38px;
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: center;
  gap: 14px;
}
.chart-row span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.chart-row i {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--deep), var(--accent));
}
.band,
.split {
  padding: clamp(48px, 7vw, 88px) clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
}
.section-head { max-width: 720px; }
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}
article {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.72);
}
article p,
.split p {
  margin-bottom: 0;
  color: var(--muted);
}
.split {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(280px, .7fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
footer span { color: var(--ink); font-weight: 700; }
footer a:hover { color: var(--ink); }
@media (max-width: 760px) {
  .topbar,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero,
  .split,
  .grid {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; }
  .signal-panel { justify-self: stretch; }
  nav { width: 100%; justify-content: space-between; }
}
