:root {
  color-scheme: dark;
  color: #f8fafc;
  background: #020617;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-smooth: antialiased;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.6;
  background: radial-gradient(circle at top, rgba(96, 165, 250, 0.16), transparent 36%),
    radial-gradient(circle at 80% 10%, rgba(59, 130, 246, 0.12), transparent 28%),
    #020617;
  color: #e2e8f0;
}

.page-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px;
}

.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.78rem;
  color: #7dd3fc;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-copy {
  max-width: 760px;
  margin: 24px auto 0;
  color: #cbd5e1;
  font-size: 1.05rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 9999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn {
  background: linear-gradient(135deg, #38bdf8 0%, #7c3aed 100%);
  color: white;
  box-shadow: 0 18px 50px rgba(56, 189, 248, 0.16);
}

.secondary-btn {
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: #f8fafc;
}

.primary-btn:hover,
.secondary-btn:hover {
  transform: translateY(-1px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 56px 0;
}

.feature-grid article,
.cta-card {
  padding: 26px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(15, 23, 42, 0.8);
  border-radius: 24px;
}

.feature-grid h2,
.cta-card h3 {
  margin: 0 0 14px;
  color: #eff6ff;
  font-size: 1.1rem;
}

.feature-grid p,
.about p {
  margin: 0;
  color: #cbd5e1;
}

.about {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
}

.about h2 {
  margin-top: 0;
  font-size: 2rem;
  color: #f8fafc;
}

.about p + p {
  margin-top: 16px;
}

.cta-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.footer,
footer {
  text-align: center;
  color: #94a3b8;
  font-size: 0.95rem;
  padding: 20px 0 10px;
}

@media (max-width: 880px) {
  .about {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 28px 16px;
  }
}