:root { --green: #00B16A; --text: #1a1a1a; --muted: #666; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; color: var(--text); line-height: 1.5; }
.nav { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
  padding: 16px 24px; border-bottom: 1px solid #e8ecea; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; color: inherit; }
.nav a { color: var(--muted); text-decoration: none; margin-left: 12px; font-size: 0.95rem; }
.hero { max-width: 720px; margin: 48px auto; padding: 0 24px; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 12px; font-weight: 600; text-decoration: none; }
.btn-primary { background: var(--green); color: #fff; }
.btn-secondary { background: #eef2f0; color: #333; }
section { max-width: 720px; margin: 0 auto 40px; padding: 0 24px; }
.note { background: #e8f8f1; padding: 14px 16px; border-radius: 12px; color: #333; }
footer { text-align: center; padding: 32px 16px; color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--green); }