/* DecisionEngine — minimalist, polished, responsive */
:root{
  --bg:#0b1220;
  --panel:#0f172a;
  --panel-2:#0d1426;
  --muted:#111a2e;
  --text:#e5e7eb;
  --text-dim:#94a3b8;
  --brand:#38bdf8;
  --brand-2:#22d3ee;
  --stroke:#1f2a44;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,"Noto Sans",sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1120px,92%);margin-inline:auto}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand{font-weight:800;letter-spacing:.2px}
.nav a{margin-left:1rem;color:var(--text-dim)}
.nav a:hover{color:var(--text)}
.nav .cta{padding:.5rem .9rem;border:1px solid var(--stroke);border-radius:10px;color:var(--text)}
.nav .cta:hover{border-color:var(--brand);color:var(--brand)}

.site-header{position:sticky;top:0;background:linear-gradient(180deg,var(--bg),rgba(11,18,32,.6));backdrop-filter:saturate(140%) blur(6px);z-index:30;border-bottom:1px solid rgba(255,255,255,.04)}

.hero{padding:5rem 0 3rem;background:radial-gradient(1200px 600px at 10% -20%,rgba(56,189,248,.12),transparent 60%),radial-gradient(900px 400px at 90% -10%,rgba(34,211,238,.12),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center}
h1{font-size:clamp(2.1rem,3.4vw,3.1rem);line-height:1.15;margin:0 0 .75rem}
.lead{color:var(--text-dim);font-size:1.08rem}
.hero-ctas{margin:1.25rem 0 1rem;display:flex;gap:.8rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.8rem 1.1rem;border-radius:12px;border:1px solid var(--stroke);color:var(--text);background:transparent}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#001018;border-color:transparent}
.btn:hover{transform:translateY(-1px)}
.pill-list{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0 0;padding:0;list-style:none}
.pill-list li{padding:.4rem .7rem;border:1px solid var(--stroke);border-radius:999px;color:var(--text-dim);font-size:.9rem}

.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--stroke);border-radius:16px;padding:1.2rem 1.2rem}
.card-title{margin:.2rem 0 .2rem}
.card-sub{margin:0 0 .8rem;color:var(--text-dim);font-size:.95rem}
.metric-row{display:flex;justify-content:space-between;padding:.55rem .6rem;background:rgba(255,255,255,.02);border:1px dashed var(--stroke);border-radius:10px;margin-bottom:.55rem}
.metric-row strong{font-variant-numeric:tabular-nums}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent);margin:.9rem 0}
.card-foot{color:var(--text-dim);font-size:.9rem}

.section{padding:3.5rem 0;border-top:1px solid rgba(255,255,255,.04)}
.section.muted{background:linear-gradient(180deg,var(--panel-2),var(--bg));border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.04)}
.section-title{margin:0 0 1.2rem}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.feature{border:1px solid var(--stroke);background:linear-gradient(180deg,var(--panel),var(--panel-2));border-radius:14px;padding:1rem}
.feature h3{margin:.2rem 0 .4rem}
.feature p{margin:0;color:var(--text-dim)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.step{border:1px solid var(--stroke);border-radius:14px;padding:1rem;background:linear-gradient(180deg,var(--panel),var(--panel-2))}
.badge{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#001018;font-weight:700;margin-bottom:.4rem}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.link-card{display:block}
.link-card .arrow{display:inline-block;margin-top:.6rem;color:var(--brand)}
.link-card:hover{transform:translateY(-1px)}
.link-card{transition:.15s ease;}

.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:1.2rem;align-items:start}
.callout{border:1px solid var(--stroke);border-radius:14px;padding:1rem;background:linear-gradient(180deg,var(--panel),var(--panel-2))}

.checklist{padding-left:1rem}
.checklist li{margin:.35rem 0;color:var(--text-dim)}

.site-footer{border-top:1px solid rgba(255,255,255,.06);padding:2rem 0;background:linear-gradient(180deg,var(--bg),#070a12)}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:1rem;align-items:center}
.footer-links a{margin-left:1rem;color:var(--text-dim)}
.footer-links a:hover{color:var(--text)}

@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}