* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #f5f7fb;
  background: linear-gradient(180deg, #09111f 0%, #111b2f 50%, #0e1627 100%);
}

a {
  color: inherit;
}

.hero {
  padding: 1.5rem clamp(1.5rem, 4vw, 4rem) 5rem;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 5rem;
}

.brand,
.nav-links a {
  text-decoration: none;
  color: #dce7ff;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-content,
.section {
  width: min(100%, 960px);
  margin: 0 auto;
}

.hero-content h1 {
  margin: 0;
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  line-height: 1.05;
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #89a8ff;
  font-size: 0.85rem;
  font-weight: 700;
}

.intro,
.section-copy {
  max-width: 40rem;
  color: #c9d5ef;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: #7ca4ff;
  color: #0d1730;
}

.button.secondary {
  border: 1px solid rgba(220, 231, 255, 0.35);
}

main {
  padding: 0 clamp(1.5rem, 4vw, 4rem) 4rem;
}

.section {
  padding: 2rem 0 1rem;
}

.section-heading h2 {
  margin-top: 0;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card,
.pill-list li,
.contact {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(220, 231, 255, 0.08);
  border-radius: 1.25rem;
}

.card {
  padding: 1.5rem;
}

.card h3 {
  margin-top: 0;
}

.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding: 0;
}

.pill-list li {
  padding: 0.75rem 1rem;
}

.contact {
  padding: 1.5rem;
}

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 1rem;
  }
}