:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --line:#e2e8f0;
  --brand:#1d4ed8;
  --brand2:#0ea5e9;
  --good:#16a34a;
  --warn:#f59e0b;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
  --radius: 18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial}
body{background:var(--bg);color:var(--text);line-height:1.55}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:24px}
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(246,248,251,.85);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:12px;align-items:center}
.brand img{height:38px;width:auto;display:block}
.navlinks{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.navlinks a{
  padding:10px 12px;border-radius:12px;
  color:var(--text);
}
.navlinks a.active{background:rgba(29,78,216,.10);color:var(--brand)}
.hero{
  border-radius:var(--radius);
  background:linear-gradient(135deg, rgba(29,78,216,.08), rgba(14,165,233,.10));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:0;
}
.hero .copy{padding:34px 34px 28px}
.hero h1{font-size:38px;line-height:1.15;margin:0 0 10px}
.hero p{margin:0 0 18px;color:var(--muted);font-size:16px}
.hero .bullets{display:grid;gap:10px;margin-top:14px}
.pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:999px;
  background:rgba(255,255,255,.70);
  border:1px solid rgba(226,232,240,.9);
}
.pill .dot{width:10px;height:10px;border-radius:999px;background:var(--brand2)}
.hero .media{
  min-height:280px;
  background: url("assets/hero.png") center/cover no-repeat;
}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:1fr 1fr}
@media (max-width: 900px){
  .hero{grid-template-columns:1fr}
  .hero .media{min-height:220px}
  .grid.two{grid-template-columns:1fr}
  .hero h1{font-size:30px}
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
  padding:22px;
}
.card h2{margin:0 0 10px;font-size:22px}
.card h3{margin:14px 0 8px;font-size:18px}
.muted{color:var(--muted)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
@media (max-width: 900px){.kpis{grid-template-columns:repeat(2,1fr)}}
.kpi{background:rgba(2,6,23,.03);border:1px solid var(--line);border-radius:16px;padding:14px}
.kpi b{display:block;font-size:18px;margin-bottom:4px}
.btnrow{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.btn{
  appearance:none;border:0;cursor:pointer;
  background:var(--brand);
  color:white;font-weight:700;
  padding:12px 16px;border-radius:14px;
  box-shadow: 0 10px 20px rgba(29,78,216,.18);
}
.btn.secondary{background:rgba(2,6,23,.08);color:var(--text);box-shadow:none}
.btn:disabled{opacity:.55;cursor:not-allowed}
.quizhead{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.progress{
  height:10px;border-radius:999px;background:rgba(2,6,23,.08);overflow:hidden;min-width:220px;
  border:1px solid var(--line);
}
.progress > div{height:100%;width:0%;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.q{padding:16px;border:1px solid var(--line);border-radius:16px;margin-top:12px;background:#fff}
.q .qtitle{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.q h4{margin:0;font-size:16px}
.choices{display:grid;gap:10px;margin-top:12px}
.choice{
  border:1px solid var(--line);
  border-radius:14px;padding:12px 12px;
  display:flex;gap:10px;align-items:flex-start;
  transition: transform .08s ease, border-color .08s ease, background .08s ease;
}
.choice:hover{transform: translateY(-1px);border-color:rgba(29,78,216,.45);background:rgba(29,78,216,.03)}
.choice input{margin-top:3px}
.badge{
  font-size:12px;font-weight:800;
  padding:6px 10px;border-radius:999px;
  background:rgba(16,185,129,.10);color:#065f46;border:1px solid rgba(16,185,129,.20)
}
.alert{
  margin-top:12px;
  padding:12px 14px;border-radius:14px;
  background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.25);
  color:#7c2d12;
}
.resultgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}
@media (max-width: 900px){.resultgrid{grid-template-columns:1fr}}
.bar{height:12px;border-radius:999px;background:rgba(2,6,23,.08);overflow:hidden;border:1px solid var(--line)}
.bar > div{height:100%}
.legend{display:grid;gap:8px;margin-top:10px}
.legend .row{display:grid;grid-template-columns: 40px 1fr 80px;gap:10px;align-items:center}
.footer{
  margin-top:22px;padding:18px 0;color:var(--muted);
  border-top:1px solid var(--line);
  font-size:14px;
}
.small{font-size:13px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.heroimg{
  width:100%;border-radius:16px;border:1px solid var(--line);
}