:root {
  --bg: #f7f7f5;
  --ink: #111111;
  --muted: #666666;
  --line: #dddddd;
  --card: #ffffff;
  --red: #a11212;
  --gold: #b88a2c;
  --dark: #050505;
}

* {
  box-sizing: border-box;
}

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

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 36px 18px 74px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.logo {
  font-weight: 900;
  letter-spacing: -0.04em;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
}

.hero {
  padding: 56px 0 38px;
}

.badge {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 8px 12px;
  font-weight: 800;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 8vw, 92px);
  line-height: 0.9;
  letter-spacing: -0.06em;
  margin: 0 0 22px;
  max-width: 980px;
}

h2 {
  font-size: 30px;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}

h3 {
  margin: 0 0 8px;
}

p,
li {
  font-size: 18px;
  line-height: 1.55;
}

.muted {
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
  color: #fff;
  border-radius: 14px;
  padding: 14px 18px;
  text-decoration: none;
  font-weight: 900;
}

.button.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 16px 46px rgba(0,0,0,.045);
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  margin-top: 20px;
  box-shadow: 0 16px 46px rgba(0,0,0,.045);
}

.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.step {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  background: #fafafa;
  font-weight: 800;
}

.footer {
  margin-top: 24px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid #ead9b7;
  background: #faf7f0;
}

.kpi {
  font-size: 42px;
  letter-spacing: -0.05em;
  font-weight: 900;
  color: var(--red);
}

.demo-box {
  display: grid;
  gap: 14px;
}

.demo-result {
  border: 1px solid #ead9b7;
  border-radius: 18px;
  background: #faf7f0;
  padding: 18px;
}

@media (max-width: 900px) {
  .grid,
  .grid.two,
  .flow {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }
}