:root {
  color-scheme: light;
  --bg: #f7f7f2;
  --panel: #ffffff;
  --ink: #171717;
  --muted: #5b616e;
  --line: #dddfd7;
  --accent: #146b63;
  --accent-strong: #0b4d48;
  --warm: #c56b2c;
  --cool: #2c5f93;
  --shadow: 0 16px 34px rgba(31, 35, 32, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 242, 0.92);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.nav {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
  padding: 16px 20px;
}

.brand {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.wrap {
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 20px;
}

.hero {
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  padding: 58px 0 34px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.95;
  margin: 0 0 20px;
  max-width: 780px;
}

.lead {
  color: var(--muted);
  font-size: 19px;
  max-width: 680px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  align-items: center;
  background: var(--accent);
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-weight: 700;
  min-height: 44px;
  padding: 0 16px;
}

.button.secondary {
  background: #e6ebe5;
  color: var(--ink);
}

.signal-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.signal-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.metric {
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}

.metric:nth-child(2) {
  border-color: var(--warm);
}

.metric:nth-child(3) {
  border-color: var(--cool);
}

.metric strong {
  display: block;
  font-size: 22px;
}

.metric span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 34px 0;
}

.section-head {
  align-items: end;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.section h2 {
  font-size: 30px;
  line-height: 1.1;
  margin: 0;
}

.section p {
  color: var(--muted);
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 180px;
  padding: 20px;
}

.card h3 {
  font-size: 20px;
  margin: 0 0 10px;
}

.tag {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.list li {
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}

.comparison-table {
  border-collapse: collapse;
  width: 100%;
}

.comparison-table th,
.comparison-table td {
  border-bottom: 1px solid var(--line);
  padding: 14px;
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
}

.disclosure {
  color: var(--muted);
  font-size: 13px;
  margin-top: 26px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 44px;
  padding: 28px 0;
}

@media (max-width: 840px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

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