:root {
  --ink: #f5f7fb;
  --muted: #a5adbd;
  --accent: #7bd8ff;
  --accent-strong: #2fa9ff;
  --surface: #141823;
  --surface-soft: #1b2130;
  --border: rgba(245, 247, 251, 0.12);
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #1a1f2c, #0c0f17 55%, #0a0d14);
  color: var(--ink);
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

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

.logo {
  font-family: "Spline Sans", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: 20px;
}

.ghost {
  border: 1px solid var(--border);
  color: var(--ink);
  text-decoration: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}

.tag {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 14px;
}

.hero h1 {
  font-family: "Spline Sans", system-ui, sans-serif;
  font-size: clamp(34px, 4.2vw, 52px);
  margin: 0 0 16px;
}

.intro {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.primary {
  background: var(--accent);
  color: #081019;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 30px rgba(47, 169, 255, 0.28);
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(47, 169, 255, 0.35);
}

.meta {
  font-size: 14px;
  color: var(--muted);
}

.hero-card {
  background: linear-gradient(150deg, rgba(27, 33, 48, 0.9), rgba(16, 20, 32, 0.95));
  border-radius: 28px;
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 50px rgba(4, 10, 20, 0.6);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-soft);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--muted);
  width: fit-content;
  border: 1px solid rgba(123, 216, 255, 0.2);
}

.hero-card h2 {
  margin: 0;
  font-size: 20px;
}

.hero-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
}

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

.columns article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
}

.columns h3 {
  margin-top: 0;
}

.columns p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

.cta {
  background: linear-gradient(120deg, rgba(123, 216, 255, 0.15), rgba(20, 24, 35, 0.85));
  border-radius: 24px;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--border);
}

.cta h2 {
  margin: 0 0 6px;
}

.cta p {
  margin: 0;
  color: var(--muted);
}

.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .shell {
    padding: 32px 20px 56px;
  }

  .cta {
    align-items: flex-start;
    flex-direction: column;
  }
}