* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f8fafc;
  color: #0f172a;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid #e2e8f0;
  backdrop-filter: blur(8px);
}

.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-brand {
  font-weight: 800;
  font-size: 1.1rem;
}

.site-call-link {
  font-weight: 700;
  color: #16a34a;
}

.site-main {
  padding: 0 0 5rem;
}

section {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

h1, h2 {
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 1rem;
}

p {
  line-height: 1.65;
  color: #334155;
}

ul {
  color: #334155;
  line-height: 1.6;
}

.cta-call {
  display: block;
  width: 100%;
  text-align: center;
  background: #22c55e;
  color: #fff;
  padding: 1.1rem 1.2rem;
  border-radius: 14px;
  font-size: 1.1rem;
  font-weight: 800;
  margin: 1.2rem 0;
  box-shadow: 0 10px 24px rgba(34,197,94,0.25);
}

.sticky-call {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  background: #16a34a;
  padding: 0.95rem 1rem;
  text-align: center;
}

.sticky-call a {
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
}