:root {
  --background: #090c12;
  --surface: #121722;
  --border: #273142;
  --text: #f2f5f9;
  --muted: #a3adbd;
  --accent: #75a7ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.hero {
  min-height: 90vh;
  padding: 24px max(24px, 8vw);
  background:
    radial-gradient(circle at 70% 20%, #1b3157 0, transparent 35%),
    var(--background);
}

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

nav div {
  display: flex;
  gap: 24px;
}

.hero-content {
  max-width: 900px;
  padding-top: 16vh;
}

.eyebrow,
.tag {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

h1 {
  max-width: 850px;
  margin: 12px 0;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.98;
}

h2 {
  font-size: 2.3rem;
}

.intro {
  max-width: 670px;
  color: var(--muted);
  font-size: 1.2rem;
}

.button {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  background: var(--text);
  color: var(--background);
  border-radius: 8px;
  font-weight: 700;
}

main {
  padding: 60px max(24px, 8vw);
}

section {
  max-width: 1200px;
  margin: 0 auto 100px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  min-height: 250px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.card p {
  color: var(--muted);
}

footer {
  padding: 30px max(24px, 8vw);
  border-top: 1px solid var(--border);
  color: var(--muted);
}

@media (max-width: 800px) {
  .grid {
    grid-template-columns: 1fr;
  }

  nav div {
    gap: 12px;
  }

  h1 {
    font-size: 3.5rem;
  }
}