:root {
  --bg: #f6f7f9;
  --text: #1d2430;
  --muted: #667085;
  --card: #ffffff;
  --accent: #284b8f;
  --accent2: #1f7a68;
  --border: #e3e7ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  font-weight: 800;
  font-size: 22px;
  color: var(--accent);
  text-decoration: none;
}

nav a {
  margin-left: 24px;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: var(--accent);
}

.hero {
  padding: 86px 0;
  background: linear-gradient(135deg, #ffffff 0%, #eef3ff 100%);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

h1 {
  font-size: 48px;
  line-height: 1.12;
  margin: 0 0 24px;
}

h2 {
  font-size: 34px;
  margin: 0 0 20px;
}

h3 {
  margin-top: 0;
}

.lead {
  font-size: 20px;
  color: var(--muted);
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 700;
}

.btn.secondary {
  background: var(--accent2);
  margin-left: 12px;
}

.section {
  padding: 72px 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.04);
}

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

.kpi {
  font-size: 34px;
  font-weight: 800;
  color: var(--accent);
}

footer {
  background: #111827;
  color: #d1d5db;
  padding: 42px 0;
}

footer a {
  color: #fff;
}

.hero-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

.hero-box ul {
  padding-left: 20px;
}

.download {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

@media (max-width: 820px) {
  .hero-grid,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  nav a {
    margin-left: 12px;
  }

  h1 {
    font-size: 36px;
  }
}