* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f5f7fb;
}

.hero {
  min-height: 100vh;
  padding: 28px 7vw;
  background:
    radial-gradient(circle at 80% 20%, rgba(108, 140, 255, .18), transparent 32%),
    radial-gradient(circle at 15% 70%, rgba(115, 220, 190, .16), transparent 30%),
    #f8faff;
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 21px;
  font-weight: 800;
}

nav a {
  color: #596273;
  text-decoration: none;
  font-weight: 600;
}

.welcome {
  max-width: 900px;
  margin: 0 auto;
  padding: 16vh 0 13vh;
  text-align: center;
}

.eyebrow {
  margin: 0 0 15px;
  font-size: 13px;
  letter-spacing: 4px;
  font-weight: 800;
  color: #536df3;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 8vw, 88px);
  line-height: 1;
  letter-spacing: -4px;
}

.intro {
  max-width: 650px;
  margin: 28px auto 0;
  color: #697386;
  font-size: 19px;
  line-height: 1.7;
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 750;
}

.primary {
  color: white;
  background: #172033;
}

.secondary {
  color: #172033;
  background: white;
  border: 1px solid #dfe3eb;
}

.about {
  max-width: 760px;
  margin: 0 auto;
  padding: 55px 30px;
  text-align: center;
  background: white;
  border: 1px solid #e6e9ef;
  border-radius: 24px;
}

.about h2 {
  margin: 0 0 12px;
  font-size: 30px;
}

.about p {
  margin: 0;
  color: #697386;
  line-height: 1.7;
}

footer {
  max-width: 1100px;
  margin: 60px auto 0;
  padding-bottom: 20px;
  text-align: center;
  color: #8a91a0;
  font-size: 14px;
}

@media (max-width: 600px) {
  .hero { padding: 22px 18px; }
  h1 { letter-spacing: -2px; }
  .intro { font-size: 17px; }
}