:root {
  --nx-ink: #0f172a;
  --nx-muted: #475569;
  --nx-paper: #f8fafc;
  --nx-card: #ffffff;
  --nx-line: #e2e8f0;
  --nx-primary: #0d9488;
  --nx-primary-ink: #0f766e;
  --nx-accent: #3dffa8;
  --nx-radius: 14px;
  --nx-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --nx-font: "Segoe UI", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--nx-font);
  color: var(--nx-ink);
  background: var(--nx-paper);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--nx-primary-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--nx-primary); }
code {
  font-size: 0.92em;
  background: #eef2ff;
  padding: 0.1em 0.35em;
  border-radius: 6px;
}

.nx-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(37, 99, 235, 0.18), transparent 60%),
    radial-gradient(700px 380px at 88% 8%, rgba(14, 165, 233, 0.16), transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 48%, #f8fafc 100%);
}

.nx-top {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nx-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}
.nx-logo__mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--nx-primary), var(--nx-accent));
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.28);
}
.nx-logo__text strong { color: var(--nx-primary); font-weight: 800; }
.nx-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.nx-nav a { color: var(--nx-muted); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.nx-nav a:hover { color: var(--nx-ink); }
.nx-nav__cta {
  background: var(--nx-ink);
  color: #fff !important;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
}

.nx-hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 72px 20px 56px;
}
.nx-eyebrow {
  margin: 0 0 14px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--nx-primary);
}
.nx-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.nx-brand { color: var(--nx-primary); }
.nx-lead {
  max-width: 38rem;
  margin: 0 0 28px;
  font-size: 1.15rem;
  color: var(--nx-muted);
}
.nx-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.nx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.2rem;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}
.nx-btn--primary {
  background: var(--nx-primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}
.nx-btn--primary:hover { background: var(--nx-primary-ink); color: #fff; }
.nx-btn--ghost {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--nx-line);
  color: var(--nx-ink);
}
.nx-btn--ghost:hover { border-color: #cbd5e1; color: var(--nx-ink); }
.nx-note {
  margin: 18px 0 0;
  font-size: 0.88rem;
  color: var(--nx-muted);
}

.nx-section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}
.nx-section--alt {
  background: rgba(255, 255, 255, 0.55);
  border-top: 1px solid var(--nx-line);
  border-bottom: 1px solid var(--nx-line);
  max-width: none;
  padding-left: max(20px, calc((100% - 1080px) / 2 + 20px));
  padding-right: max(20px, calc((100% - 1080px) / 2 + 20px));
}
.nx-section h2 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}
.nx-section__sub {
  margin: 0 0 28px;
  color: var(--nx-muted);
  max-width: 40rem;
}
.nx-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.nx-grid li {
  background: var(--nx-card);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  padding: 18px 16px;
  box-shadow: var(--nx-shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.nx-grid strong { font-size: 1.05rem; }
.nx-grid span { color: var(--nx-muted); font-size: 0.92rem; }

.nx-steps {
  margin: 0 0 24px;
  padding-left: 1.2rem;
  color: var(--nx-muted);
  max-width: 40rem;
}
.nx-steps li { margin: 0 0 10px; }

.nx-foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 48px;
  color: var(--nx-muted);
  font-size: 0.92rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}
.nx-foot a { color: inherit; }

@media (max-width: 640px) {
  .nx-hero { padding-top: 48px; }
  .nx-nav a:not(.nx-nav__cta) { display: none; }
}