:root {
  color: #17211b;
  background: #f7f8f4;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 16px clamp(18px, 4vw, 54px);
  background: rgba(247, 248, 244, 0.94);
  border-bottom: 1px solid #e0e4db;
  backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; }
.brand img { width: 34px; height: 34px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; color: #526055; font-size: 14px; }
.hero {
  min-height: calc(100vh - 70px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  padding: clamp(36px, 6vw, 82px) clamp(18px, 5vw, 74px);
}
h1 { font-size: clamp(42px, 7vw, 82px); line-height: 0.96; margin: 0; letter-spacing: 0; }
h2 { font-size: clamp(28px, 4vw, 46px); line-height: 1.05; margin: 0 0 14px; }
p { color: #5c685f; line-height: 1.62; font-size: 17px; }
.hero p { max-width: 680px; font-size: 19px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid #184d38;
  background: #184d38;
  color: white;
  text-decoration: none;
  font-weight: 700;
}
.button.secondary { background: white; color: #184d38; }
.preview {
  width: 100%;
  border: 1px solid #d9e0d4;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(32, 48, 37, 0.14);
}
.band {
  padding: clamp(38px, 6vw, 82px) clamp(18px, 5vw, 74px);
  border-top: 1px solid #e1e5dc;
}
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.card {
  background: white;
  border: 1px solid #dfe5da;
  border-radius: 8px;
  padding: 18px;
}
.card strong { display: block; margin-bottom: 8px; }
.steps { counter-reset: step; display: grid; gap: 10px; max-width: 880px; }
.step { counter-increment: step; background: white; border: 1px solid #dfe5da; border-radius: 8px; padding: 16px; }
.step:before { content: counter(step); display: inline-grid; place-items: center; width: 28px; height: 28px; margin-right: 10px; border-radius: 999px; background: #dff5c3; font-weight: 800; }
.page { max-width: 940px; padding: 48px clamp(18px, 5vw, 74px); }
.page ul { line-height: 1.8; color: #4f5d53; }
.footer { padding: 28px clamp(18px, 5vw, 74px); color: #657168; border-top: 1px solid #e1e5dc; }
@media (max-width: 820px) {
  .hero, .grid { grid-template-columns: 1fr; }
  nav { display: none; }
  h1 { font-size: 46px; }
}