:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --text: #17181c;
  --muted: #4b4f58;
  --accent: #1a56db;
  --border: #e2e4e9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 0 1.25rem; }
a { color: var(--accent); }
.site-header { border-bottom: 1px solid var(--border); padding: 1rem 0; }
.logo { font-weight: 700; font-size: 1.25rem; }
.hero { padding: 3.5rem 0 3rem; }
.hero h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 0 0 1rem; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }
.cta {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
}
.cta:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.section { padding: 2.5rem 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { font-size: 1.5rem; margin: 0 0 1rem; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; }
.steps h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); }
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; color: var(--muted); font-size: 0.9rem; }

@media (max-width: 480px) {
  .hero { padding-top: 2.5rem; }
  .section { padding: 2rem 0; }
}