:root{
  --ink:#0F172A; --graphite:#1E293B; --accent:#0284C7; --bg:#F8FAFC;
  --line:#CBD5E1; --soft:#E2E8F0; --muted:#475569;
  --mono:ui-monospace,"SFMono-Regular",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--graphite);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.68;font-size:17px}
a{color:var(--accent)}
code,pre,table.params,.tc{font-family:var(--mono)}
img{max-width:100%;height:auto;display:block}

/* ---- GOP sticky header ---- */
.gop-header{position:sticky;top:0;z-index:200;background:var(--ink);
  border-bottom:2px solid var(--accent);box-shadow:0 2px 10px rgba(15,23,42,.28)}
.gop-inner{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;align-items:center;
  gap:18px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#F8FAFC;
  font-weight:700;letter-spacing:.14em;font-size:.8rem;white-space:nowrap}
.brand svg{width:30px;height:30px;flex:0 0 auto}
.gop-burger{display:none;margin-left:auto;background:transparent;color:#F8FAFC;
  border:1px solid #334155;border-radius:6px;padding:8px 14px;font-family:var(--mono);
  font-size:.85rem;letter-spacing:.1em;cursor:pointer}
.gop-burger[aria-expanded="true"]{background:var(--accent);border-color:var(--accent)}
.timeline{list-style:none;display:flex;gap:2px;margin:0;padding:0;flex:1 1 auto;
  position:relative}
.frame{position:relative}
.frame>a{display:flex;align-items:baseline;gap:7px;text-decoration:none;
  color:#CBD5E1;padding:20px 12px 18px;font-size:.82rem;border-bottom:3px solid transparent;
  white-space:nowrap}
.frame>a:hover,.frame>a:focus{color:#F8FAFC}
.frame>a .tc{font-size:.68rem;color:#64748B;letter-spacing:.02em}
.frame>a .kt{font-family:var(--mono);font-size:.62rem;color:var(--accent);
  border:1px solid #334155;border-radius:3px;padding:0 3px}
.frame::before{content:"";position:absolute;left:12px;top:30px;width:6px;height:6px;
  background:#334155;transform:translateX(-14px)}
.frame.active>a{color:#F8FAFC;border-bottom-color:var(--accent)}
.frame.active::before{background:var(--accent);box-shadow:0 0 0 3px rgba(2,132,199,.25)}
.frame.active>a .tc{color:var(--accent)}
.sub{position:absolute;left:0;top:100%;min-width:236px;background:#F8FAFC;
  border:1px solid var(--line);border-top:2px solid var(--accent);border-radius:0 0 8px 8px;
  padding:8px;display:none;flex-direction:column;gap:2px;box-shadow:0 14px 30px rgba(15,23,42,.22)}
.frame:hover .sub,.frame:focus-within .sub{display:flex}
.sub a{display:flex;gap:9px;align-items:baseline;text-decoration:none;color:var(--graphite);
  padding:7px 9px;border-radius:5px;font-size:.83rem}
.sub a:hover,.sub a:focus{background:var(--soft);color:var(--ink)}
.sub a .tc{font-size:.66rem;color:#94A3B8}
.sub a.here{color:var(--accent);font-weight:600}
.sub a.here .tc{color:var(--accent)}

/* ---- layout ---- */
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
main{padding:38px 0 20px}
main h1{font-size:2.1rem;line-height:1.2;color:var(--ink);margin:.2em 0 .2em;
  letter-spacing:-.01em}
main h2{font-size:1.4rem;color:var(--ink);margin:2em 0 .5em;padding-bottom:.25em;
  border-bottom:1px solid var(--soft)}
main h3{font-size:1.1rem;color:var(--ink);margin:1.5em 0 .4em}
.lede{font-size:1.12rem;color:var(--muted)}
time,.pubmeta{display:block;font-family:var(--mono);font-size:.72rem;color:#94A3B8;
  letter-spacing:.06em;margin-bottom:1.4em}
figure{margin:1.8em 0}
figcaption{font-family:var(--mono);font-size:.72rem;color:var(--muted);padding-top:.5em}
.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 22px;
  margin:1.6em 0}
.panel h3{margin-top:0}
.note{border-left:4px solid var(--accent);background:#fff;padding:14px 18px;margin:1.6em 0;
  border-radius:0 8px 8px 0;font-size:.95rem}
ul.plain{list-style:none;padding-left:0}
ul.plain li{padding:6px 0 6px 22px;position:relative}
ul.plain li::before{content:"";position:absolute;left:0;top:15px;width:8px;height:8px;
  border:2px solid var(--accent);border-radius:2px}

/* ---- tables ---- */
table.params{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.82rem;
  background:#fff;border:1px solid var(--line)}
table.params caption{text-align:left;font-size:.72rem;color:var(--muted);padding:8px 10px;
  border:1px solid var(--line);border-bottom:0;background:var(--soft)}
table.params th,table.params td{border:1px solid var(--line);padding:8px 10px;text-align:left;
  vertical-align:top}
table.params thead th{background:var(--ink);color:#F8FAFC;font-weight:600}
table.params tbody tr:nth-child(even){background:#F1F5F9}
table.params td code{color:var(--accent)}

/* ---- buttons / tabs ---- */
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;
  padding:12px 22px;border-radius:7px;font-weight:600;border:0;cursor:pointer;font-size:.95rem}
.btn.ghost{background:#fff;color:var(--accent);border:2px solid var(--accent)}
.tabs{margin:1.6em 0}
.tabbtns{display:flex;gap:6px;flex-wrap:wrap;border-bottom:2px solid var(--line)}
.tabbtns button{font-family:var(--mono);font-size:.8rem;background:#fff;color:var(--muted);
  border:1px solid var(--line);border-bottom:0;border-radius:7px 7px 0 0;padding:9px 15px;cursor:pointer}
.tabbtns button[aria-selected="true"]{background:var(--ink);color:#F8FAFC;border-color:var(--ink)}
.tabpanel{padding:16px 0}
.tabpanel[hidden]{display:none}

/* ---- FAQ ---- */
details.faq{border:1px solid var(--line);border-radius:8px;background:#fff;margin:.7em 0;
  padding:0 16px}
details.faq summary{cursor:pointer;font-weight:600;color:var(--ink);padding:15px 0;
  list-style:none;display:flex;gap:10px;align-items:baseline}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::before{content:"+";font-family:var(--mono);color:var(--accent);font-weight:700}
details.faq[open] summary::before{content:"–"}
details.faq p{padding:0 0 14px 24px;margin:0;color:var(--muted)}

/* ---- forms ---- */
form .row{margin:0 0 14px}
form label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:5px}
form input,form select,form textarea{width:100%;padding:11px 12px;border:1px solid var(--line);
  border-radius:7px;font-family:var(--mono);font-size:.85rem;background:#fff;color:var(--graphite)}
form input:focus,form select:focus,form textarea:focus{outline:2px solid var(--accent);
  outline-offset:1px;border-color:var(--accent)}
form .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ---- footer ---- */
footer{background:var(--ink);color:#CBD5E1;margin-top:56px;padding:44px 0 26px;
  border-top:3px solid var(--accent)}
footer .wrap{max-width:1180px}
footer .sitemap{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
footer h4{color:#F8FAFC;font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;
  font-family:var(--mono);margin:0 0 10px}
footer ul{list-style:none;margin:0 0 6px;padding:0}
footer li{padding:3px 0}
footer a{color:#CBD5E1;text-decoration:none;font-size:.86rem}
footer a:hover{color:#fff;text-decoration:underline}
footer .legal{margin-top:30px;border-top:1px solid #334155;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.78rem}
footer .legal a{font-size:.78rem}
footer .copy{margin-top:16px;font-size:.74rem;color:#64748B;font-family:var(--mono)}

/* ---- cookie banner ---- */
.cookie{position:fixed;left:0;right:0;bottom:0;background:var(--graphite);color:#E2E8F0;
  z-index:300;padding:14px 18px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;
  border-top:3px solid var(--accent);font-size:.86rem;box-shadow:0 -6px 20px rgba(15,23,42,.3)}
.cookie[hidden]{display:none}
.cookie p{margin:0;flex:1 1 320px}
.cookie a{color:#7DD3FC}
.cookie button{background:var(--accent);color:#fff;border:0;border-radius:6px;
  padding:10px 20px;font-weight:600;cursor:pointer;font-family:var(--mono);font-size:.82rem}

/* ---- hero ---- */
.hero{background:var(--ink);color:#F8FAFC;padding:64px 0 56px;border-bottom:3px solid var(--accent)}
.hero h1{color:#F8FAFC;font-size:2.5rem;max-width:20em}
.hero p{color:#CBD5E1;max-width:44em;font-size:1.1rem}
.hero .tc{color:#7DD3FC}
.hero .btn{margin-top:22px}

/* ---- responsive ---- */
@media (max-width:760px){
  .gop-burger{display:block}
  .timeline{display:none;width:100%;flex-direction:column;gap:0;padding:6px 0 14px}
  .gop-inner.nav-open .timeline{display:flex}
  .frame{width:100%}
  .frame>a{padding:12px 8px;border-bottom:1px solid #1E293B;justify-content:flex-start}
  .frame::before{display:none}
  .frame>a{white-space:normal}
  .sub{position:static;display:flex;min-width:0;background:transparent;border:0;
    border-left:2px solid #334155;margin:0 0 10px 12px;border-radius:0;box-shadow:none;padding:2px 0 2px 10px}
  .sub a{color:#CBD5E1}
  .sub a:hover,.sub a:focus{background:#1E293B;color:#fff}
  .sub a.here{color:#7DD3FC}
  .sub a .tc{color:#64748B}
  footer .sitemap{grid-template-columns:1fr 1fr}
  form .grid2{grid-template-columns:1fr}
  .hero h1{font-size:1.8rem}
  main h1{font-size:1.55rem}
}
@media (max-width:460px){footer .sitemap{grid-template-columns:1fr}}