:root {
  --ink: #1f2937;
  --muted: #4b5563;
  --accent: #2563eb;
  --line: #e5e7eb;
  --bg-soft: #f8fafc;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--muted); font-size: 0.95rem; }
nav a:hover { color: var(--ink); }

.hero {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 56px 0;
}
.hero h1 {
  font-size: 2rem;
  line-height: 1.25;
  margin: 0 0 14px;
}
.lead { font-size: 1.1rem; color: var(--muted); max-width: 640px; margin: 0 0 24px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 11px 22px;
  border-radius: 6px;
  font-weight: 600;
}
.btn:hover { text-decoration: none; background: #1d4ed8; }

main section { padding: 44px 0; }
h2 { font-size: 1.5rem; margin: 0 0 18px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.page { padding-top: 44px; padding-bottom: 44px; max-width: 760px; }
.page h1 { margin: 0 0 16px; }
.page ul { padding-left: 20px; }

.contact-line { font-size: 1.05rem; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 20px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer p { margin: 0; }