:root {
  --aub: #3B2240; --aub2: #55305C; --aub3: #6a3d71; --aubd: #24132a;
  --gold: #c9a54e; --goldd: #8a6d2c;
  --ink: #1d2430; --muted: #5b6675; --rule: #e4dde6; --tint: #f6f2f6; --paper: #fff;
  --warn: #a8462f;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 70px; }
body { margin: 0; font-family: Carlito, Calibri, "Segoe UI", sans-serif; color: var(--ink); background: var(--paper); font-size: 17px; line-height: 1.55; }
a { color: var(--aub2); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Hero ---------- */
.hero { background: var(--aub); color: #fff; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 72% 38%, rgba(110,62,118,.6) 0%, rgba(59,34,64,0) 55%), radial-gradient(ellipse at 50% 50%, rgba(0,0,0,0) 55%, rgba(18,8,20,.5) 100%); }
.topbar { position: relative; display: flex; justify-content: space-between; gap: 16px; padding: 28px 0 18px; border-bottom: 1px solid rgba(255,255,255,.22); }
.brand { font-weight: 700; letter-spacing: 4px; font-size: 17px; }
.brand small { display: block; font-weight: 400; letter-spacing: 1.5px; font-size: 12.5px; color: #e6dbe8; margin-top: 6px; }
.tb-right { display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; justify-content: flex-end; }
.restr { border: 1px solid var(--gold); color: var(--gold); font-size: 12px; letter-spacing: 2px; padding: 6px 10px; font-weight: 700; white-space: nowrap; }
.lang { display: inline-flex; border: 1px solid rgba(255,255,255,.4); }
.lang button { background: transparent; color: #fff; border: 0; padding: 6px 12px; font: inherit; font-size: 13px; letter-spacing: 1px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--gold); color: var(--aubd); font-weight: 700; }
.herogrid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 24px; align-items: center; padding: 36px 0 40px; }
.k { color: var(--gold); letter-spacing: 3px; font-weight: 700; font-size: 14px; }
.yr { font-size: 64px; font-weight: 700; line-height: 1; margin-top: 6px; }
.yr span { color: var(--gold); }
.bar { width: 70px; height: 2px; background: var(--gold); margin: 18px 0 12px; }
.cat { text-transform: uppercase; letter-spacing: 2px; font-size: 13.5px; color: #e6dbe8; }
.hero h1 { font-size: 42px; line-height: 1.1; margin: 26px 0 12px; }
.sub { color: #ece2ee; font-size: 18.5px; margin: 0; max-width: 34em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.btn-gold, .btn-ghost { display: inline-block; padding: 10px 18px; font-weight: 700; text-decoration: none; font-size: 15px; letter-spacing: .4px; }
.btn-gold { background: var(--gold); color: var(--aubd); }
.btn-ghost { border: 1px solid rgba(255,255,255,.55); color: #fff; }
.btn-gold:hover { filter: brightness(1.06); } .btn-ghost:hover { background: rgba(255,255,255,.08); }
.map img { width: 100%; height: auto; display: block; }
.meta { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; border-top: 1px solid rgba(255,255,255,.22); padding: 18px 0 30px; font-size: 14.5px; color: #ece2ee; }
.meta b { display: block; color: var(--gold); font-size: 12px; letter-spacing: 1.6px; text-transform: uppercase; margin-bottom: 4px; }

/* ---------- Navigation ---------- */
.chipnav { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--rule); }
.chipnav .wrap { display: flex; gap: 6px; overflow-x: auto; padding-top: 10px; padding-bottom: 10px; scrollbar-width: none; }
.chipnav .wrap::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1px solid var(--rule); background: #fff; color: var(--aub); padding: 6px 12px; font: inherit; font-size: 14px; cursor: pointer; text-decoration: none; white-space: nowrap; }
.chip.on { background: var(--aub); color: #fff; border-color: var(--aub); }
.layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 44px; padding-top: 34px; padding-bottom: 20px; }
.toc-inner { position: sticky; top: 74px; max-height: calc(100vh - 90px); overflow: auto; font-size: 14.5px; padding-bottom: 20px; }
.toc .grp { color: var(--goldd); font-size: 11.5px; letter-spacing: 1.6px; text-transform: uppercase; font-weight: 700; margin: 16px 0 6px; }
.toc a { display: block; text-decoration: none; color: var(--muted); padding: 5px 0 5px 12px; border-left: 2px solid var(--rule); line-height: 1.3; }
.toc a:hover { color: var(--aub); }
.toc a.on { color: var(--aub); border-left-color: var(--aub); font-weight: 700; }

/* ---------- Content ---------- */
main { min-width: 0; }
.chapter { padding: 6px 0 40px; border-bottom: 1px solid var(--rule); margin-bottom: 34px; }
.chapter:last-child { border-bottom: 0; }
.part-k { color: var(--goldd); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; font-weight: 700; margin-bottom: 6px; }
.chapter > h2 { color: var(--aub); font-size: 30px; line-height: 1.15; margin: 0 0 18px; }
.chapter h3 { color: var(--aub); font-size: 20px; margin: 26px 0 8px; }
.chapter p { margin: 0 0 12px; }
.chapter ul, .chapter ol { padding-left: 22px; margin: 0 0 14px; }
.chapter li { margin-bottom: 7px; }
.note { font-size: 15px; color: var(--muted); }
.fu { font-size: 13px; color: var(--muted); white-space: nowrap; }

.lbl { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; padding: 3px 9px; margin: 10px 0 8px; }
.lbl.fact { background: var(--aub); color: #fff; }
.lbl.op { background: #fff; color: var(--aub); border: 1px solid var(--aub); }
.lbl.int { background: #efe6d2; color: #5b4a24; }
li > .lbl { margin: 0 6px 0 0; }
.chapter > .lbl, .op-box > .lbl { display: table; }
.op-box { border-left: 4px solid var(--aub); background: var(--tint); padding: 10px 20px 8px; margin: 14px 0 18px; }

table { width: 100%; border-collapse: collapse; margin: 12px 0 18px; font-size: 15.5px; }
.tw { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 12px 0 18px; }
.tw table { margin: 0; min-width: 560px; }
th { background: var(--aub); color: #fff; text-align: left; padding: 9px 12px; font-weight: 700; }
td { padding: 9px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
tr:nth-child(even) td { background: #faf8fa; }
td.date { white-space: nowrap; font-weight: 700; color: var(--aub); }
.num { text-align: right; white-space: nowrap; }
table.contrast tr.range td { background: var(--tint) !important; border-top: 2px solid var(--aub); font-weight: 700; color: var(--aub); }
.srcnote { border: 1px solid var(--rule); border-left: 4px solid var(--gold); background: #fcfaf5; padding: 10px 16px; margin: -6px 0 18px; font-size: 15px; }
.srcnote b { display: block; font-size: 11.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--goldd); margin-bottom: 3px; }
.formula { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 12px 0; margin: 8px 0 14px; text-align: center; color: var(--aub); }
.formula span { color: var(--muted); font-size: 14px; }

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.tile { border-top: 3px solid var(--aub); background: var(--tint); padding: 12px 14px; }
.tile b { display: block; font-size: 26px; color: var(--aub); line-height: 1.1; }
.tile > span { display: block; font-size: 14px; color: var(--muted); margin-top: 6px; }
.panel { border: 1px solid var(--rule); padding: 16px 18px 12px; margin: 18px 0; }
.panel h3 { margin: 0 0 10px; font-size: 18px; }
.rrow { display: grid; grid-template-columns: 210px 1fr 120px; gap: 14px; align-items: center; margin: 9px 0; }
.rname { font-weight: 700; font-size: 15px; } .rname small { display: block; font-weight: 400; color: var(--muted); font-size: 13px; }
.bar { position: relative; }
.panel .bar { height: 14px; margin: 0; width: auto; background: none; display: grid; grid-template-columns: 25fr 30fr 30fr 15fr; gap: 3px; }
.panel .bar span { background: #ece6ee; } .panel .bar .on1 { background: #c9b6cd; } .panel .bar .on2 { background: #9a7aa1; } .panel .bar .on3 { background: var(--aub2); }
.panel .bar i { position: absolute; top: -5px; width: 4px; height: 24px; background: var(--ink); }
.rband { font-weight: 700; color: var(--aub); font-size: 15px; }
.scale { display: grid; grid-template-columns: 210px 1fr 120px; gap: 14px; font-size: 12px; color: var(--muted); }
.scale div:nth-child(2) { display: grid; grid-template-columns: 25fr 30fr 30fr 15fr; }
.scen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0; }
.scen > div { border: 1px solid var(--rule); border-top: 4px solid var(--aub); padding: 12px 14px; transition: box-shadow .2s, border-color .2s, transform .2s; }
.scen h4 { margin: 0 0 4px; color: var(--aub); font-size: 17px; }
.scen .p { font-size: 28px; font-weight: 700; color: var(--aub); }
.scen > div.hl { border-color: var(--gold); box-shadow: 0 6px 22px rgba(59,34,64,.18); transform: translateY(-2px); }
.scen .flag { display: block; margin-top: 8px; font-size: 13px; color: var(--goldd); font-weight: 700; }

/* References */
.refs { white-space: nowrap; }
.ref { font: inherit; font-size: 11.5px; line-height: 1; vertical-align: super; border: 0; background: var(--tint); color: var(--aub2); padding: 2px 4px; margin-left: 2px; cursor: pointer; border-radius: 2px; }
.ref:hover, .ref:focus-visible { background: var(--aub); color: #fff; outline: none; }
.pop { position: absolute; z-index: 60; width: min(380px, calc(100vw - 32px)); background: #fff; border: 1px solid var(--rule); border-top: 3px solid var(--gold); box-shadow: 0 10px 34px rgba(36,19,42,.22); padding: 12px 34px 12px 14px; font-size: 14.5px; }
.pop-x { position: absolute; top: 4px; right: 6px; border: 0; background: none; font-size: 22px; color: var(--muted); cursor: pointer; }
.pop .n { color: var(--goldd); font-weight: 700; font-size: 12px; letter-spacing: 1px; }
.pop a { word-break: break-all; display: block; margin-top: 6px; font-size: 13.5px; }

/* Widgets */
.widget { border: 1px solid var(--aub); margin: 16px 0 22px; }
.widget .wh { background: var(--aub); color: #fff; padding: 9px 14px; font-weight: 700; font-size: 14px; letter-spacing: .6px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.widget .wh small { color: var(--gold); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; font-size: 11.5px; }
.widget .wb { padding: 14px 16px; }
.sl { display: grid; grid-template-columns: 190px 1fr 92px; gap: 12px; align-items: center; margin: 8px 0; font-size: 15px; }
.sl output { font-weight: 700; color: var(--aub); text-align: right; }
input[type=range] { width: 100%; accent-color: var(--aub); }
.res { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.res div { background: var(--tint); padding: 10px 12px; border-top: 3px solid var(--gold); }
.res b { display: block; font-size: 26px; color: var(--aub); }
.res span { font-size: 13.5px; color: var(--muted); }
.wnote { font-size: 13.5px; color: var(--muted); margin-top: 10px; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 10px; }
.filters button { border: 1px solid var(--rule); background: #fff; padding: 5px 12px; font: inherit; font-size: 14px; cursor: pointer; color: var(--aub); }
.filters button.on { background: var(--aub); color: #fff; border-color: var(--aub); }
tr.hide { display: none; }
.search { width: 100%; max-width: 360px; padding: 8px 10px; border: 1px solid var(--rule); font: inherit; font-size: 15px; margin: 6px 0 4px; }
ul.conds { list-style: none; padding: 0; }
ul.conds li { border: 1px solid var(--rule); padding: 9px 12px 9px 38px; position: relative; cursor: pointer; margin-bottom: 8px; }
ul.conds li::before { content: ""; position: absolute; left: 12px; top: 12px; width: 15px; height: 15px; border: 2px solid var(--aub); background: #fff; }
ul.conds li.on { border-color: var(--gold); background: #fcfaf5; }
ul.conds li.on::before { background: var(--aub); box-shadow: inset 0 0 0 2px #fff; }

/* Sources */
ol.srcl { padding-left: 34px; font-size: 14.5px; }
ol.srcl li { margin-bottom: 8px; scroll-margin-top: 80px; }
ol.srcl li a { word-break: break-all; font-size: 13.5px; }
ol.srcl li.flash { background: #fbf5e3; transition: background 1.2s; }

/* Downloads */
.downloads { background: var(--tint); padding: 44px 0 50px; }
.downloads h2 { color: var(--aub); font-size: 28px; margin: 0 0 16px; }
.docs { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.doc { display: grid; grid-template-columns: 130px 1fr; gap: 18px; background: #fff; border: 1px solid var(--rule); padding: 16px; align-items: center; text-decoration: none; color: var(--ink); transition: box-shadow .15s, border-color .15s; }
.doc:hover { border-color: var(--aub2); box-shadow: 0 6px 20px rgba(59,34,64,.14); }
.doc img { width: 130px; height: auto; box-shadow: 0 3px 10px rgba(0,0,0,.25); }
.doc .lg { color: var(--goldd); font-weight: 700; letter-spacing: 2px; font-size: 12.5px; }
.doc .t { font-weight: 700; color: var(--aub); font-size: 18px; margin: 4px 0 4px; line-height: 1.25; }
.doc .d { color: var(--muted); font-size: 14px; }
.doc .btn { display: inline-block; margin-top: 10px; background: var(--aub); color: #fff; padding: 7px 14px; font-weight: 700; font-size: 14px; }

/* Advisory */
.adv { background: var(--aub); color: #fff; position: relative; overflow: hidden; }
.adv::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 85% 20%, rgba(110,62,118,.5) 0%, rgba(59,34,64,0) 55%); pointer-events: none; }
.adv .wrap { position: relative; padding-top: 44px; padding-bottom: 44px; }
.adv .kk { color: var(--gold); font-size: 12px; letter-spacing: 2px; font-weight: 700; text-transform: uppercase; }
.adv h2 { margin: 8px 0 12px; font-size: 28px; }
.adv p { color: #ece2ee; max-width: 46em; }
.agrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 22px; }
.agrid div { border-top: 2px solid var(--gold); padding-top: 10px; font-size: 14.5px; color: #e6dbe8; }
.agrid b { display: block; color: #fff; font-size: 16px; margin-bottom: 4px; }
.adv .contact { margin-top: 22px; color: var(--gold); font-size: 14px; letter-spacing: .5px; }
.adv .contact a { color: var(--gold); }

footer { background: var(--aubd); color: #cdbfd0; font-size: 13.5px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 22px; }
footer a { color: var(--gold); text-decoration: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .layout { grid-template-columns: 1fr; gap: 0; }
  .toc { display: none; }
}
@media (max-width: 860px) {
  .herogrid { grid-template-columns: 1fr; }
  .map { order: -1; max-width: 400px; margin: 0 auto; width: 100%; }
  .meta { grid-template-columns: 1fr; gap: 10px; }
  .hero h1 { font-size: 31px; } .yr { font-size: 48px; }
  .tiles, .agrid { grid-template-columns: 1fr 1fr; }
  .scen, .docs, .res { grid-template-columns: 1fr; }
  .rrow, .scale { grid-template-columns: 1fr; gap: 4px; }
  .scale div:first-child, .scale div:last-child { display: none; }
  .sl { grid-template-columns: 1fr 80px; } .sl label { grid-column: 1 / -1; }
  .chapter > h2 { font-size: 25px; }
}
@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .tiles, .agrid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
  .doc { grid-template-columns: 90px 1fr; } .doc img { width: 90px; }
}
@media print {
  .chipnav, .toc, .hero-actions, .lang, .widget, .filters, .search, .pop { display: none !important; }
  .layout { display: block; }
}