:root {
  --blue: #0057d9;
  --dark: #071b3a;
  --text: #1f2937;
  --muted: #64748b;
  --light: #f5f8fc;
  --border: #dbe3ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text);
  background: white;
}

.navbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 7%;
  border-bottom: 1px solid var(--border);
  background: white;
  position: sticky;
  top: 0;
}

.logo {
  font-weight: 800;
  color: var(--dark);
  font-size: 1.2rem;
}

nav a {
  margin-left: 28px;
  color: var(--dark);
  text-decoration: none;
  font-weight: 600;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  padding: 96px 7%;
  background: linear-gradient(135deg, #ffffff, #eef5ff);
}

.eyebrow {
  color: var(--blue);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 1.05;
  color: var(--dark);
  margin: 16px 0;
}

h2 {
  color: var(--dark);
  text-align: center;
  font-size: 2rem;
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 640px;
}

.actions {
  margin-top: 32px;
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
}

.primary {
  background: var(--blue);
  color: white;
}

.secondary {
  border: 1px solid var(--blue);
  color: var(--blue);
}

.hero-card {
  background: white;
  padding: 36px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(7, 27, 58, 0.12);
}

.hero-card h3 {
  color: var(--dark);
  font-size: 1.5rem;
}

.hero-card li {
  margin: 18px 0;
  font-size: 1.1rem;
}

.section {
  padding: 80px 7%;
}

.light {
  background: var(--light);
}

.cards {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cards article {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.cards h3 {
  color: var(--dark);
}

.cards p {
  color: var(--muted);
  line-height: 1.6;
}

.cta {
  text-align: center;
  padding: 80px 7%;
  background: var(--dark);
  color: white;
}

.cta h2 {
  color: white;
}

footer {
  padding: 32px 7%;
  background: #031126;
  color: white;
  text-align: center;
}

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

  nav {
    display: none;
  }
}