* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0f172a;
  color: #e5e7eb;
}

.hero {
  min-height: 100vh;
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.45), transparent 35%),
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.45), transparent 35%),
    #0f172a;
}

.logo {
  width: 150px;
  height: 150px;
  border-radius: 36px;
  margin-bottom: 28px;
  box-shadow: 0 24px 80px rgba(37, 99, 235, 0.45);
}

h1 {
  font-size: clamp(38px, 7vw, 72px);
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.subtitle {
  max-width: 620px;
  margin: 22px auto 34px;
  font-size: 20px;
  line-height: 1.6;
  color: #cbd5e1;
}

.button {
  display: inline-block;
  padding: 16px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: white;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 18px 50px rgba(37, 99, 235, 0.4);
}

section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 80px 24px;
}

h2 {
  font-size: 36px;
  margin: 0 0 28px;
  letter-spacing: -0.03em;
}

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

.card {
  padding: 26px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
}

.card h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.6;
}

a {
  color: #93c5fd;
}

footer {
  padding: 36px 24px;
  text-align: center;
  color: #94a3b8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 850px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 64px 20px;
  }

  .logo {
    width: 120px;
    height: 120px;
    border-radius: 30px;
  }
}