:root {
  --accent: #17294f; --accent-soft: #eef1f6; --border: #e3e5e9;
  --text: #14171f; --text-dim: #666b73; --panel-bg: #ffffff; --page-bg: #f7f8fa;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--page-bg); color: var(--text); margin: 0;
}
a { color: var(--accent); }

.marketing-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 5vw; border-bottom: 1px solid var(--border); background: var(--panel-bg);
}
.marketing-nav .brand { font-weight: 700; font-size: 1.1rem; color: var(--accent); text-decoration: none; display: flex; align-items: center; gap: 6px; }
.marketing-nav .nav-links { display: flex; gap: 1.4rem; align-items: center; }
.marketing-nav .nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.88rem; display: inline-flex; align-items: center; gap: 5px; }
.marketing-nav .nav-links a:hover { color: var(--accent); }
.marketing-nav .nav-app-btn {
  color: #fff !important; background: var(--accent); border-radius: 20px; padding: 0.4rem 1rem; font-weight: 600;
}
.marketing-nav .nav-links a svg { flex-shrink: 0; vertical-align: middle; }

.marketing-main { max-width: 780px; margin: 0 auto; padding: 3.5rem 5vw 5rem; }
.marketing-main h1 { font-size: 2rem; color: var(--accent); margin: 0 0 0.6rem; }
.marketing-main p.lede { color: var(--text-dim); font-size: 1.05rem; line-height: 1.6; margin: 0 0 2.4rem; }
.marketing-main h2 { font-size: 1.2rem; margin: 2.2rem 0 0.7rem; }
.marketing-main p, .marketing-main li { color: var(--text); line-height: 1.65; font-size: 0.95rem; }
.marketing-main ol, .marketing-main ul { padding-left: 1.3rem; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-top: 1rem; }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--panel-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.2rem 1.3rem; box-shadow: 0 1px 3px rgba(23, 41, 79, 0.05);
}
.feature-card h3 { font-size: 0.98rem; margin: 0 0 0.4rem; color: var(--text); display: flex; align-items: center; gap: 7px; }
.feature-card { scroll-margin-top: 1.5rem; }
.feature-card:target { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.feature-card p { color: var(--text-dim); font-size: 0.87rem; margin: 0; line-height: 1.5; }

.guide-step { display: flex; gap: 1rem; margin-bottom: 1.6rem; }
.guide-step .step-num {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft);
  color: var(--accent); font-weight: 700; font-size: 0.85rem; display: flex; align-items: center; justify-content: center;
}
.guide-step h3 { margin: 0 0 0.3rem; font-size: 0.98rem; }
.guide-step p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }

.empty-note {
  background: var(--accent-soft); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.4rem; color: var(--text-dim); font-size: 0.92rem; text-align: center;
}

footer.marketing-footer { text-align: center; padding: 2.5rem; color: var(--text-dim); font-size: 0.82rem; border-top: 1px solid var(--border); }