:root {
  --ink: #1c2530;
  --muted: #5a6675;
  --accent: #2f6f9f;
  --bg: #f6f8fa;
  --card: #ffffff;
  --line: #e3e8ee;
}

* { box-sizing: border-box; }

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

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 22px;
  font-size: 0.95rem;
}

nav a:hover { color: var(--accent); }

.hero {
  background: linear-gradient(180deg, #ffffff, var(--bg));
  border-bottom: 1px solid var(--line);
  padding: 72px 0;
}

.hero h1 {
  font-size: 2.2rem;
  margin: 0 0 14px;
  max-width: 22ch;
}

.lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 60ch;
}

.cta {
  display: inline-block;
  margin-top: 24px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 600;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  padding: 56px 20px;
}

.features article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.features h2 { font-size: 1.1rem; margin-top: 0; }

.prose { padding: 48px 20px; max-width: 720px; }
.prose h1 { font-size: 1.8rem; }

.status-list { list-style: none; padding: 0; }
.status-list li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.ok { color: #2e9c5a; margin-right: 10px; }
.muted { color: var(--muted); font-size: 0.9rem; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-size: 0.9rem;
  padding: 28px 0;
}