:root {
  --brand-primary: #1F5FFF;
  --brand-primary-dark: #0B1F3A;
  --brand-accent: #1DB6A5;
  --brand-warning: #FFC857;
  --nt-100: #F7FAFC;
  --nt-200: #EDF2F7;
  --nt-700: #4A5568;
  --nt-900: #1A202C;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--nt-100);
  color: var(--nt-900);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji", "Segoe UI Symbol";
  line-height: 1.5;
}

.container { max-width: 1120px; margin: 0 auto; padding: 1rem; }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0;
}
.nav a { text-decoration: none; color: var(--nt-900); font-weight: 600; }
.nav .cta { background: var(--brand-primary); color: white; padding: .7rem 1rem; border-radius: .75rem; }

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--nt-100), #ffffff);
  border-bottom: 1px solid var(--nt-200);
}

.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; padding: 4rem 1rem; }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; padding: 3rem 1rem; } }

.badge { display: inline-block; background: var(--nt-200); color: var(--brand-primary-dark); padding: .4rem .7rem; border-radius: 999px; font-size: .85rem; font-weight: 600; }

h1 { font-size: clamp(2rem, 6vw, 3.5rem); line-height: 1.1; margin: .5rem 0 1rem; }
p.lead { font-size: clamp(1.05rem, 3vw, 1.25rem); color: var(--nt-700); max-width: 60ch; }

.hero-card {
  background: white; border: 1px solid var(--nt-200); border-radius: 1.25rem; padding: 1.25rem;
  box-shadow: 0 10px 25px rgba(16,24,40,0.08);
}
.hero-card h3 { margin-top: 0; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.kv div { background: var(--nt-100); padding: .75rem; border-radius: .75rem; border: 1px dashed var(--nt-200); font-size: .95rem; }
.kv code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: .9rem; }

.section { padding: 3rem 1rem; }
.cards { display: grid; gap: 1.25rem; grid-template-columns: repeat(3,1fr); }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }

.card { background: white; border: 1px solid var(--nt-200); border-radius: 1rem; padding: 1.25rem; }
.card h3 { margin-top: 0; }
.card .tag { display: inline-block; padding: .25rem .6rem; border-radius: .6rem; background: var(--nt-200); color: var(--brand-primary-dark); font-size: .8rem; font-weight: 600; }

.footer { padding: 2rem 1rem; border-top: 1px solid var(--nt-200); color: var(--nt-700); }
.footer a { color: var(--brand-primary); font-weight: 600; }