:root{
  --brand: #007382;
  --bg: #f7fbfb;
  --muted: #5b6b6b;
  --card: #ffffff;
  --accent-contrast: #ffffff;
  --maxw: 900px;
  --radius: 12px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*{box-sizing:border-box}
html{height:100%}
body{
  margin:0;
  min-height:100%;
  background:#eef7f7;
  color:#0b1620;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding:40px 16px;
  display:flex;
  align-items:flex-start;
  justify-content:center;
}

.container{
  width:100%;
  max-width:var(--maxw);
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:0 10px 30px rgba(3,31,33,0.07);
  padding:28px;
  border:1px solid rgba(0,0,0,0.03);
  overflow:visible;
}

header{
  display:flex;
  gap:16px;
  align-items:center;
  position:sticky;
  top:0px;
  z-index:100;
  background:var(--card);
  padding:20px 0;
  margin:-28px -28px 18px -28px;
  padding-left:28px;
  padding-right:28px;
  border-bottom:1px solid rgba(0,0,0,0.05);
  box-shadow:0 2px 8px rgba(3,31,33,0.04);
}

.logo{
  width:56px;height:56px;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(0,115,130,0.12);overflow:hidden;flex-shrink:0;
}
.logo img{
  width:100%;height:100%;object-fit:contain;
}

h1{font-size:20px;margin:0}
p.lead{margin:4px 0 0;color:var(--muted);font-size:13px}

nav.rules-nav{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
nav .pill{background:rgba(0,115,130,0.08);color:var(--brand);padding:8px 12px;border-radius:999px;font-size:13px}

section{margin-top:12px}
.card{background:linear-gradient(180deg,#ffffff,#fcffff);border-radius:10px;padding:16px;margin-bottom:12px;border:1px solid rgba(0,0,0,0.04)}

.rule-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.rule{display:flex;gap:12px;align-items:flex-start}
.rule .num{min-width:36px;height:36px;border-radius:8px;background:var(--brand);color:var(--accent-contrast);display:grid;place-items:center;font-weight:700}
.rule .content{flex:1}
.rule .content h3{margin:0;font-size:15px}
.rule .content p{margin:6px 0 0;color:var(--muted);font-size:13px}

footer{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-top:10px}
.actions{display:flex;gap:8px}
.btn{border:0;padding:10px 14px;border-radius:10px;font-weight:600;cursor:pointer}
.btn.primary{background:var(--brand);color:var(--accent-contrast);box-shadow:0 6px 18px rgba(0,115,130,0.14)}
.btn.ghost{background:transparent;border:1px solid rgba(0,0,0,0.06)}

.meta{font-size:13px;color:var(--muted)}

/* small screens */
@media (max-width:520px){
  body{padding:20px}
  .logo{width:48px;height:48px}
  header{
    gap:10px;
    top:3px;
  }
}

/* printing */
@media print{body{background:white;padding:0} .container{box-shadow:none;border:0}}