:root {
  --bg: #ffffff;
  --text: #1f2933;
  --muted: #52606d;
  --accent: #1a56db;
  --accent-strong: #1745a8;
  --border: #d9e2ec;
  --focus: #b45309;
  --error: #9b1c1c;
}

* { 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: 1.5;
}

main { max-width: 860px; margin: 0 auto; padding: 24px 16px 48px; }

h1, h2 { line-height: 1.2; }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h2 { font-size: 1.3rem; margin-top: 2rem; }

.hero { padding: 12px 0; }
.hero-sub { font-size: 1.1rem; color: var(--muted); }
.hero-note { color: var(--muted); font-size: 0.95rem; }

.demo-steps { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }

.demo-step {
  font: inherit;
  border: 2px solid var(--border);
  background: #f5f7fa;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
}
.demo-step[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}
.demo-step:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.demo-body {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  min-height: 90px;
  background: #fbfcfe;
}

.cta { text-align: center; margin-top: 2.5rem; }

.cta-button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 10px;
  font-size: 1.05rem;
}
.cta-button:hover { background: var(--accent-strong); }

.cta-error { color: var(--error); font-weight: 600; }

.site-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.privacy ul, .saved ul, .trust ul { padding-left: 1.3rem; }
.privacy li, .saved li, .trust li { margin: 6px 0; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}