* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: #0f172a;
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.hero {
  min-height: 85vh;
  padding: 32px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: white;
}

nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 0;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 64px;
  width: auto;
  display: block;
  transition: transform 0.2s ease;
}

.logo:hover img {
  transform: scale(1.03);
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 600;

  padding: 10px 20px;

  border: 1px solid rgba(255,255,255,.20);
  border-radius: 999px;

  transition: all .2s ease;
}

.nav-link:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.40);
}

.hero-content {
  max-width: 1120px;
  margin: 48px auto 0;
}

.eyebrow {
  color: #93c5fd;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

h1 {
  max-width: 850px;
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  margin: 18px 0;
}

.subtitle {
  max-width: 700px;
  font-size: 1.25rem;
  color: #dbeafe;
}

.button {
  display: inline-block;
  margin-top: 30px;
  padding: 15px 24px;

  background: #2563eb;
  color: white;
  text-decoration: none;
  font-weight: 700;

  border-radius: 999px;

  transition: all .2s ease;
}

.button:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 80px 32px;
}

.section h2 {
  font-size: 2rem;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  padding: 28px;

  border: 1px solid #e2e8f0;
  border-radius: 18px;

  background: #f8fafc;

  transition: all .2s ease;
}

.card:hover {
  transform: translateY(-6px);

  box-shadow:
    0 12px 30px rgba(15,23,42,.08);

  border-color: #cbd5e1;
}

.card h3 {
  margin-top: 0;
  line-height: 1.2;
}

.about {
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.about p,
.cta p {
  max-width: 760px;
  font-size: 1.1rem;
}

.cta {
  text-align: center;
}

.cta p {
  margin-left: auto;
  margin-right: auto;
}

footer {
  padding: 36px;

  text-align: center;

  color: #64748b;

  border-top: 1px solid #e2e8f0;
}

@media (max-width: 900px) {

  nav {
    padding: 20px 0;
  }

  .logo img {
    height: 54px;
  }

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

  .hero-content {
    margin-top: 40px;
  }

}

@media (max-width: 600px) {

  .hero {
    padding: 24px;
  }

  nav {
    flex-direction: column;
    gap: 24px;
  }

  .logo img {
    height: 48px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 24px;
  }

  h1 {
    line-height: 1.05;
  }

  .subtitle {
    font-size: 1.1rem;
  }

}