/* PH34 Guide: one stylesheet, system fonts, no scripts */
:root{
  --ink:#16202e;
  --muted:#4a5568;
  --bg:#f5f7fa;
  --card:#fff;
  --line:#d9dee7;
  --brand:#0b4f6c;
  --brand-dark:#083a50;
  --accent:#0f766e;
  --warn:#b45309;
  --night:#16202e;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:1.0625rem;
  line-height:1.65;
  color:var(--ink);
  background:var(--bg);
}
.wrap{width:min(100% - 2rem,46rem);margin-inline:auto}
p{margin:0 0 1rem}
a{color:var(--brand);text-underline-offset:.15em}
a:hover{color:var(--brand-dark)}
:focus-visible{outline:3px solid var(--warn);outline-offset:2px;border-radius:4px}
[lang="tl"]{font-style:italic}
.nowrap{white-space:nowrap}

.skip{
  position:absolute;left:.5rem;top:-5rem;z-index:10;
  padding:.75rem 1rem;border-radius:8px;
  background:var(--card);color:var(--brand);font-weight:700;
}
.skip:focus{top:.5rem}

/* Header */
.notice{
  margin:0;padding:.65rem 1rem;
  background:var(--night);color:#fff;
  font-size:.9375rem;line-height:1.45;text-align:center;
}
.notice strong{color:#fcd34d}
.site-header{background:var(--card);border-bottom:1px solid var(--line)}
.bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:0 1rem;padding-block:.35rem;
}
.brand{
  display:inline-flex;align-items:center;gap:.55rem;min-height:3rem;
  color:var(--ink);font-size:1.125rem;font-weight:800;letter-spacing:-.01em;text-decoration:none;
}
.brand svg{flex:none}
.site-nav ul{display:flex;flex-wrap:wrap;gap:0 .15rem;margin:0 0 0 -.6rem;padding:0;list-style:none}
.site-nav a{
  display:inline-flex;align-items:center;min-height:3rem;padding:0 .6rem;border-radius:8px;
  font-size:.9688rem;font-weight:600;text-decoration:none;
}
.site-nav a:hover{background:#e6f0f4;text-decoration:underline}

/* Hero */
.hero{padding-block:1.75rem 2rem;background:var(--card);border-bottom:1px solid var(--line)}
.kicker{
  margin:0 0 .5rem;color:var(--accent);
  font-size:.875rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}
h1{margin:0 0 1rem;font-size:clamp(1.75rem,6vw,2.6rem);line-height:1.15;letter-spacing:-.02em}
.lede{font-size:1.125rem}
.byline{margin:1.25rem 0 0;color:var(--muted);font-size:.9375rem}
.summary{
  margin-top:1.5rem;padding:1.1rem 1.15rem;
  background:#eef6f4;border:1px solid #b7d9d2;border-radius:12px;
}
.summary h2{margin:0 0 .6rem;font-size:1.125rem}
.summary ul{margin:0;padding-left:1.15rem}
.summary li+li{margin-top:.45rem}

/* Body sections */
section[id]{scroll-margin-top:1rem}
h2{margin:2.75rem 0 .85rem;font-size:clamp(1.4rem,4.4vw,1.8rem);line-height:1.2;letter-spacing:-.01em}
h3{margin:1.9rem 0 .55rem;font-size:1.1875rem;line-height:1.3}
h4{margin:0 0 .35rem;font-size:1.0625rem;line-height:1.3}
main ul,main ol{padding-left:1.3rem}
main li+li{margin-top:.4rem}
.toc{margin-top:1.75rem;padding:1rem 1.15rem;background:var(--card);border:1px solid var(--line);border-radius:12px}
.toc h2{margin:0 0 .25rem;font-size:1.0625rem}
.toc ol{margin:0;columns:2 14rem;column-gap:2rem}
.toc li+li{margin-top:0}
.toc a{display:block;padding-block:.75rem;line-height:1.4}

.table-wrap{margin:1rem 0 1.25rem;overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:.9688rem}
caption{
  caption-side:bottom;padding:.75rem .9rem;border-top:1px solid var(--line);
  color:var(--muted);font-size:.9063rem;text-align:left;
}
th,td{padding:.7rem .9rem;border-bottom:1px solid #e6eaf0;text-align:left;vertical-align:top}
thead th{background:#f0f3f7;font-size:.875rem}
.when{display:block;margin-top:.2rem;color:var(--muted);font-size:.875rem;font-weight:400}
tbody th{font-weight:600}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
.tag-no{
  display:inline-block;padding:.1rem .55rem;border-radius:999px;
  background:#fdecec;color:#8f1d1d;font-size:.875rem;font-weight:700;white-space:nowrap;
}

.callout{margin:1.25rem 0;padding:.95rem 1.1rem;background:#fff8eb;border-left:5px solid var(--warn);border-radius:0 12px 12px 0}
.callout p:last-child{margin-bottom:0}

.checklist{margin:1rem 0;padding:0;list-style:none;counter-reset:step}
.checklist>li{
  position:relative;margin:0 0 .75rem;padding:.95rem 1rem .95rem 3.6rem;
  background:var(--card);border:1px solid var(--line);border-radius:12px;counter-increment:step;
}
.checklist>li::before{
  content:counter(step);position:absolute;left:.9rem;top:.9rem;
  display:grid;place-items:center;width:2rem;height:2rem;border-radius:50%;
  background:var(--brand);color:#fff;font-size:.9375rem;font-weight:700;
}

.addr{margin:1.25rem 0;padding:1.1rem;background:#0f1b2a;color:#e8edf4;border-radius:12px}
.addr figcaption{margin-bottom:.6rem;color:#c5cfdc;font-size:.875rem;font-weight:600}
.addr-line{
  margin:0 0 .7rem;overflow-wrap:anywhere;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font-size:1.0625rem;
}
.addr-dim{color:#a9b6c6;white-space:nowrap}
.addr-key{padding:.1rem .3rem;border-radius:4px;background:#fde68a;color:var(--ink);font-weight:700;white-space:nowrap}
.addr p:last-child{margin:0;font-size:.9688rem}

.cards{display:grid;gap:.75rem;margin:1rem 0;padding:0;list-style:none}
.cards>li{margin:0;padding:1rem 1.1rem;background:var(--card);border:1px solid var(--line);border-radius:12px}
.cards p{margin:0}
.cards p+p{margin-top:.5rem}
.big-num{font-size:1.25rem;font-weight:800;white-space:nowrap}

.links li+li{margin-top:0}
.links a{display:inline-block;padding-block:.5rem}
.sources ol{font-size:.9688rem}
.sources li{overflow-wrap:anywhere}
.crumbs ol{display:flex;flex-wrap:wrap;gap:0 .4rem;margin:0 0 .25rem;padding:0;list-style:none;color:var(--muted);font-size:.9375rem}
.crumbs li+li{margin-top:0}
.crumbs li{display:flex;align-items:center;min-height:3rem}
.crumbs a{display:inline-flex;align-items:center;min-height:3rem}
.crumbs li+li::before{content:"\203A";margin-right:.4rem}

/* Footer */
.site-footer{margin-top:3.5rem;padding-block:2rem;background:var(--night);color:#dbe3ee;font-size:.9688rem}
.site-footer a,.site-footer strong{color:#fff}
.foot-nav ul{display:flex;flex-wrap:wrap;gap:0 1.25rem;margin:.5rem 0 1rem;padding:0;list-style:none}
.foot-nav a{display:inline-flex;align-items:center;min-height:3rem}
.fine{margin:0;color:#b7c2d0;font-size:.875rem}

@media (min-width:44rem){
  .cards{grid-template-columns:1fr 1fr}
  .hero{padding-block:2.5rem 2.75rem}
}
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}
@media print{
  .skip,.site-nav,.toc,.foot-nav{display:none}
  body{background:#fff}
  .site-footer,.notice{background:#fff;color:#000}
  .site-footer a,.site-footer strong,.notice strong{color:#000}
}