:root{
  --bg:#fffaf0;
  --panel:#ffffff;
  --panel-2:#fff4df;
  --text:#2b2112;
  --muted:#6b5a3d;
  --line:#efdfb2;
  --brand:#d97706;
  --brand-2:#f59e0b;
  --brand-3:#fbbf24;
  --good:#166534;
  --good-bg:#ecfdf5;
  --bad:#991b1b;
  --bad-bg:#fef2f2;
  --warn:#92400e;
  --warn-bg:#fff7ed;
  --shadow:0 14px 40px rgba(128,81,0,.12);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top right, rgba(251,191,36,.18), transparent 24rem),
    radial-gradient(circle at top left, rgba(245,158,11,.14), transparent 20rem),
    var(--bg);
  line-height:1.65;
}
a{color:var(--brand)}
.wrap{max-width:1120px;margin:auto;padding:24px}
.hero,.card,.panel,section{
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero{padding:28px;margin:24px 0}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card,.panel,section{padding:20px;margin:18px 0}
.badge{
  display:inline-block;padding:6px 12px;border-radius:999px;
  background:var(--panel-2);border:1px solid var(--line);font-size:.92rem;
}
.code, pre{
  background:#1f2937;color:#f9fafb;border-radius:18px;padding:14px;overflow:auto
}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
th{background:var(--panel-2)}
h1,h2,h3{line-height:1.2}
h1{font-size:clamp(2rem,4vw,3rem);margin:0 0 10px}
h2{font-size:clamp(1.4rem,2vw,2rem);margin-top:0}
h3{font-size:1.1rem}
small,.muted{color:var(--muted)}
ul{padding-left:1.2rem}
.note{padding:12px 14px;border-radius:16px;background:var(--warn-bg);border:1px solid #fed7aa}
.ok{padding:12px 14px;border-radius:16px;background:var(--good-bg);border:1px solid #bbf7d0}
.warn{padding:12px 14px;border-radius:16px;background:var(--bad-bg);border:1px solid #fecaca}
.kpi{font-size:1.7rem;font-weight:700}
footer{padding:30px 0;color:var(--muted)}
nav.top{
  position:sticky;top:0;z-index:50;background:rgba(255,250,240,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)
}
nav.top .navwrap{max-width:1120px;margin:auto;padding:12px 24px;display:flex;gap:16px;align-items:center;justify-content:space-between}
nav.top a{text-decoration:none;font-weight:700}
.btn{
  display:inline-block;padding:10px 16px;border-radius:14px;border:1px solid var(--line);
  background:#fff;text-decoration:none;font-weight:700
}
.btn.brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:white;border:none}
.question{padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}
.mcq-option{display:block;margin:8px 0;padding:10px 12px;border:1px solid var(--line);border-radius:12px;cursor:pointer}
.mcq-option.correct{background:var(--good-bg);border-color:#86efac}
.mcq-option.incorrect{background:var(--bad-bg);border-color:#fca5a5}