:root {
  --ink: #1a2230;
  --ink-soft: #4a5568;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --accent: #2d5bff;
  --border: #e2e6ec;
  --radius: 10px;
}

* { 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: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}
.logo img { height: 32px; width: auto; }
.site-header nav a {
  margin-left: 28px;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-header nav a:hover { color: var(--accent); }

/* hero */
.hero {
  padding: 96px 0 80px;
  background: var(--bg-alt);
  text-align: center;
}
.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero .lead {
  max-width: 620px;
  margin: 0 auto 32px;
  color: var(--ink-soft);
  font-size: 1.1rem;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
}
.btn:hover { background: #1e46d8; }

/* services */
.services { padding: 80px 0; }
.services h2 { text-align: center; margin-bottom: 40px; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.service-card h3 { margin: 0 0 10px; font-size: 1.05rem; }
.service-card p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

/* contact */
.contact {
  background: var(--bg-alt);
  padding: 64px 0;
  text-align: center;
}
.contact h2 { margin-bottom: 8px; }
.contact-email { font-size: 1.2rem; font-weight: 600; margin-top: 16px; }

/* legal */
.legal { padding: 64px 0; }
.legal h2 { margin-bottom: 24px; }
.legal dl { margin: 0; }
.legal-row {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.legal-row dt {
  width: 220px;
  flex-shrink: 0;
  color: var(--ink-soft);
  font-weight: 600;
}
.legal-row dd { margin: 0; }

/* footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
  .site-header nav a { margin-left: 16px; font-size: 0.85rem; }
  .hero h1 { font-size: 1.8rem; }
  .legal-row { flex-direction: column; gap: 4px; }
  .legal-row dt { width: auto; }
}