:root {
  color-scheme: light;
  --ink: #1c2024;
  --muted: #5a626c;
  --teal: #148c82;
  --teal-dark: #0c645e;
  --teal-soft: #e8f4f2;
  --line: #dce2e8;
  --card: #fff;
  --bg: #f3f5f7;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 420px at 50% -80px, var(--teal-soft), transparent 60%),
    var(--bg);
  color: var(--ink);
  font: 16px/1.5 "Segoe UI", system-ui, sans-serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4.2rem 1.4rem 3.5rem;
}

.hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.8rem 1.7rem 1.5rem;
  box-shadow: 0 10px 30px rgba(28, 32, 36, 0.04);
}

.logo {
  width: 44px;
  height: 44px;
  display: block;
}

.eyebrow {
  margin: 0.9rem 0 0;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0.15rem 0 0.45rem;
  font-size: 2rem;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 0.7rem;
  color: var(--muted);
  max-width: 32rem;
}

.meta {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  font-weight: 650;
  padding: 0.75rem 1.15rem;
  border-radius: 10px;
}

.btn:hover { background: var(--teal-dark); }

.notes {
  min-height: 1.3em;
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.grid article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1rem 0.95rem;
}

.grid h2 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 650;
}

.grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

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