:root {
  --bg: #ffffff;
  --ink: #1a1a2e;
  --muted: #5a5a6e;
  --accent: #4f46e5;
  --accent-dark: #3730a3;
  --soft: #f5f5fb;
  --border: #e4e4ee;
  --radius: 14px;
  --maxw: 820px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 700; font-size: 18px; text-decoration: none; color: var(--ink); }
.brand span { color: var(--accent); }
.nav a { text-decoration: none; color: var(--muted); margin-left: 18px; font-size: 15px; }
.nav a:hover { color: var(--accent); }

.hero { padding: 56px 0 32px; }
.hero h1 { font-size: 34px; line-height: 1.2; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 24px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: var(--soft); color: var(--accent); }

main { padding: 8px 0 48px; }
h2 { font-size: 25px; margin: 40px 0 14px; letter-spacing: -0.01em; }
h3 { font-size: 20px; margin: 28px 0 10px; }
p { margin: 0 0 16px; }

.q {
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 18px 0;
}
.q .qlabel { font-weight: 700; color: var(--accent); font-size: 14px; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.q .solution { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }
.q .solution .slabel { font-weight: 700; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.step { margin: 0 0 8px; }

.cta-band {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border-radius: 18px;
  padding: 32px 28px;
  text-align: center;
  margin: 44px 0;
}
.cta-band h2 { color: #fff; margin: 0 0 10px; }
.cta-band p { color: rgba(255,255,255,0.9); margin: 0 0 20px; }
.cta-band .btn { background: #fff; color: var(--accent); }
.cta-band .btn:hover { background: #f0f0ff; }

ul.clean { padding-left: 22px; }
ul.clean li { margin-bottom: 8px; }

.related { border-top: 1px solid var(--border); padding-top: 24px; margin-top: 40px; }
.related a { color: var(--accent); text-decoration: none; }
.related a:hover { text-decoration: underline; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}
footer.site a { color: var(--muted); }

@media (max-width: 600px) {
  .hero h1 { font-size: 28px; }
  body { font-size: 16px; }
}

/* ===== Footer sitemap navigation ===== */

.sitemap-links {
  max-width: var(--maxw);
  margin: 0 auto 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  line-height: 2;
  text-align: center;
}

.sitemap-links a {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.sitemap-links a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* The current page is shown as plain text, not a link */
.sitemap-links .current {
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}