:root {
  --ink: #0f1c2e;
  --paper: #f3efe6;
  --accent: #1a6b5c;
  --accent-deep: #0f4a3f;
  --muted: #5a6573;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #d8ebe4 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #e8dfc8 0%, transparent 50%),
    var(--paper);
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 40rem;
  padding: 3rem 1.5rem;
  margin: 0 auto;
}

.brand {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  color: var(--accent-deep);
}

h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.35rem, 3.5vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.lead {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--muted);
  max-width: 28rem;
}

.cta {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.cta:hover {
  background: var(--accent-deep);
}