/* Antifragile Portfolio: site styles.
   White page, near-black type, one dark navy accent, dark bands top and bottom. */
:root {
  --ink: #0B1524;
  --navy: #11264A;
  --paper: #FFFFFF;
  --mist: #F3F5F8;
  --rule: #D8DEE6;
  --muted: #5B6778;
  --up: #17794E;
  --down: #B5342A;
  --warn: #8A5A00;
  --warn-bg: #FFF6DF;
  --breach-bg: #FBECEA;
  --fund: #1F5FB8;
  --bench: #C4741A;
  --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1rem/1.55 var(--sans); font-variant-numeric: tabular-nums lining-nums;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
a { color: var(--navy); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--fund); outline-offset: 2px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.15; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); letter-spacing: -0.015em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
small { font-size: 0.82rem; color: var(--muted); }
.muted { color: var(--muted); }
.up { color: var(--up); } .down { color: var(--down); } .flat { color: var(--muted); }

/* ---------- header / footer bands ---------- */
.site-header { background: var(--navy); color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border: 1.5px solid #fff; display: grid; place-items: center;
  font: 500 0.95rem/1 var(--serif); letter-spacing: 0.02em;
}
.brand-name { font: 400 1.18rem/1 var(--serif); letter-spacing: 0.005em; white-space: nowrap; }
.site-nav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a {
  color: #C9D3E3; text-decoration: none; font-size: 0.95rem; padding: 8px 12px; white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: #fff; }
.site-nav a[aria-current="page"] { color: #fff; border-bottom-color: #fff; }
.site-nav a:focus-visible, .brand:focus-visible { outline-color: #fff; }
.demo-banner { background: var(--warn-bg); color: #5A3D00; font-size: 0.9rem; padding: 9px 0; border-bottom: 1px solid #F0DFB4; }
.site-footer { background: var(--navy); color: #C9D3E3; margin-top: 96px; padding: 44px 0 52px; font-size: 0.92rem; }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.site-footer p { margin: 12px 0 0; max-width: 46ch; }
.site-footer .footer-note { margin-top: 0; justify-self: end; }

/* ---------- page intro ---------- */
.page-head { padding-top: 56px; padding-bottom: 8px; }
.page-head p { color: var(--muted); max-width: 64ch; margin-top: 14px; font-size: 1.06rem; }
.updated { color: var(--muted); font-size: 0.9rem; margin: 14px 0 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot-ok { background: var(--up); } .dot-warn { background: #D99A00; }
section.block { padding-top: 52px; }
.block-head { display: flex; align-items: end; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin-bottom: 20px; }
.block-head p { margin: 6px 0 0; color: var(--muted); max-width: 70ch; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; }
.cols-2 > *, .cols-3 > * { min-width: 0; }

/* ---------- home hero: the fund value is the page ---------- */
.hero { padding-top: 64px; padding-bottom: 18px; }
.hero-label { font-size: 1.05rem; color: var(--muted); margin: 0 0 6px; }
.hero-value {
  font: 300 clamp(2.9rem, 14vw, 8.6rem)/0.98 var(--serif); letter-spacing: -0.035em; margin: 0;
  white-space: nowrap; display: flex; align-items: baseline; gap: 0.18em;
}
.hero-ccy { font: 400 0.2em/1 var(--sans); letter-spacing: 0.02em; color: var(--muted); }
.hero-changes { display: flex; flex-wrap: wrap; gap: 6px 40px; margin: 22px 0 0; font-size: 1.18rem; }
.hero-changes b { font-weight: 500; }
.hero-changes span.lbl { color: var(--muted); }

/* ---------- KPI strip ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); margin: 40px 0 0; }
.kpi { padding: 18px 20px 20px 0; border-bottom: 1px solid var(--rule); }
.kpi + .kpi { padding-left: 20px; border-left: 1px solid var(--rule); }
.kpi:nth-child(4n+1) { padding-left: 0; border-left: 0; }
.kpi dt { font-size: 0.88rem; color: var(--muted); }
.kpi dd { margin: 4px 0 0; font: 400 1.7rem/1.15 var(--serif); letter-spacing: -0.01em; }
.kpi dd small { display: block; font: 400 0.8rem/1.3 var(--sans); letter-spacing: 0; margin-top: 4px; }
dl { margin: 0; }

/* ---------- chart panel ---------- */
.controls { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--ink); }
.seg button {
  font: 500 0.88rem/1 var(--sans); padding: 8px 14px; background: #fff; color: var(--ink); border: 0; cursor: pointer;
}
.seg button + button { border-left: 1px solid var(--ink); }
.seg button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--navy); margin: 0; }
.swatch { width: 14px; height: 3px; display: inline-block; background: var(--bench); }
.chart-readout { min-height: 1.6em; font-size: 0.9rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 18px; margin-bottom: 6px; }
.chart-readout b { color: var(--ink); font-weight: 500; }
.chart-box { height: 440px; position: relative; }
.chart-sm { height: 280px; position: relative; }
.chart-empty { color: var(--muted); padding: 40px 0; }
.viz { width: 100%; min-height: 200px; }

.trade-readout { min-height: 2.6em; font-size: 0.92rem; margin-top: 10px; }
.trade-readout p { margin: 0 0 6px; max-width: 90ch; }
.rank-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.rank-row { display: grid; grid-template-columns: 2.4em 1fr 5.2em; gap: 14px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--rule); }
.rank-n { color: var(--muted); font-family: var(--serif); }
.rank-track { position: relative; height: 10px; background: linear-gradient(var(--muted), var(--muted)) center / 1px 100% no-repeat; }
.rank-fill { position: absolute; top: 0; bottom: 0; background: #9AA7BA; border-radius: 2px; }
.rank-v { text-align: right; }
.rank-row.us { font-weight: 600; } .rank-row.us .rank-n { color: var(--ink); } .rank-row.us .rank-fill { background: var(--fund); }
.stress { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.stress-result { font: 400 clamp(1.8rem, 4vw, 2.6rem)/1.15 var(--serif); margin: 14px 0 4px; }
.stress input[type=range] { width: 100%; accent-color: var(--navy); margin: 18px 0 4px; }
.stress-scale { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--muted); }
.caveat { font-size: 0.88rem; color: var(--muted); max-width: 78ch; margin: 14px 0 0; }
@media (max-width: 900px) { .stress { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- alerts and rules ---------- */
.alert-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.alert { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.tag { font: 500 0.78rem/1 var(--sans); padding: 5px 8px; align-self: start; white-space: nowrap; display: inline-flex; gap: 6px; align-items: center; }
.tag::before { content: ""; width: 7px; height: 7px; display: inline-block; }
.tag-breach { background: var(--breach-bg); color: #8E241C; } .tag-breach::before { background: var(--down); transform: rotate(45deg); }
.tag-warning { background: var(--warn-bg); color: var(--warn); } .tag-warning::before { background: #D99A00; clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.tag-ok { background: #E8F3EE; color: #125C3B; } .tag-ok::before { background: var(--up); border-radius: 50%; }
.tag-caution { background: var(--warn-bg); color: var(--warn); } .tag-caution::before { background: #D99A00; clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.tag-alert { background: var(--breach-bg); color: #8E241C; } .tag-alert::before { background: var(--down); transform: rotate(45deg); }
.tag-normal { background: #E8F3EE; color: #125C3B; } .tag-normal::before { background: var(--up); border-radius: 50%; }
.alert strong { font-weight: 500; }
.alert p { grid-column: 2; margin: 0; color: var(--muted); font-size: 0.93rem; }
.rules-score { font: 400 1.7rem/1.15 var(--serif); margin: 0 0 14px; }
.rules-score small { font: 400 0.9rem/1.3 var(--sans); display: block; margin-top: 4px; }

/* ---------- ranked bars ---------- */
.bar-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.bar-row { display: grid; grid-template-columns: auto minmax(0, 1.1fr) minmax(60px, 1fr) 4.2em; gap: 14px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--rule); }
.bar-row:not(:has(.bar-rank)) { grid-template-columns: minmax(0, 1.1fr) minmax(60px, 1fr) 4.2em; }
.bar-rank { font: 400 0.95rem/1 var(--serif); color: var(--muted); width: 1.6em; }
.bar-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-name small { margin-left: 8px; }
.cols-3 .bar-name { white-space: normal; }
.bar-track { height: 8px; background: var(--mist); position: relative; border-radius: 0 4px 4px 0; }
.bar-fill { position: absolute; inset: 0 auto 0 0; background: var(--navy); border-radius: 0 4px 4px 0; }
.bar-row.is-cash .bar-fill { background: #9AA7BA; }
.bar-row.is-cash .bar-limit { display: none; }
.bar-limit { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--down); }
.bar-value { text-align: right; font-weight: 500; }
.legend-note { font-size: 0.85rem; color: var(--muted); margin: 10px 0 0; display: flex; align-items: center; gap: 8px; }
.legend-note i { width: 2px; height: 14px; background: var(--down); display: inline-block; }

/* ---------- prose from markdown ---------- */
.prose { max-width: 68ch; font-size: 1.05rem; line-height: 1.65; }
.prose h2 { margin: 1.8em 0 0.5em; font-size: 1.6rem; }
.prose h3 { margin: 1.4em 0 0.4em; }
.prose > :first-child { margin-top: 0; }
.prose blockquote { margin: 0 0 1.2em; padding: 10px 16px; background: var(--warn-bg); color: #5A3D00; font-size: 0.95rem; }
.prose blockquote p { margin: 0; }
.prose table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 0.95rem; }
.prose th, .prose td { text-align: left; padding: 9px 12px 9px 0; border-bottom: 1px solid var(--rule); }
.prose th { font-weight: 500; border-bottom-color: var(--ink); }
.prose code { font-size: 0.9em; background: var(--mist); padding: 1px 5px; }
.pm-note { font: 400 1.22rem/1.6 var(--serif); max-width: 34em; }
.pm-note p:last-child { font: 400 0.95rem/1.5 var(--sans); color: var(--muted); }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-top: 1px solid var(--ink); }
table.data { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
table.data th, table.data td { padding: 10px 16px 10px 0; border-bottom: 1px solid var(--rule); text-align: right; white-space: nowrap; vertical-align: baseline; }
table.data th:last-child, table.data td:last-child { padding-right: 0; }
table.data th { font-weight: 500; color: var(--muted); font-size: 0.84rem; vertical-align: bottom; }
table.data th.l, table.data td.l { text-align: left; }
table.data td.wrap-cell { white-space: normal; min-width: 22ch; max-width: 46ch; }
table.data tbody tr:hover { background: var(--mist); }
table.data td.ticker { font-weight: 600; }
table.data td small { display: block; }
table.data tfoot td { font-weight: 500; border-bottom: 0; border-top: 1px solid var(--ink); }
.sort-btn { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-align: inherit; }
.sort-btn::after { content: "↕"; opacity: 0.35; margin-left: 4px; font-size: 0.85em; }
th[aria-sort="ascending"] .sort-btn::after { content: "↑"; opacity: 1; }
th[aria-sort="descending"] .sort-btn::after { content: "↓"; opacity: 1; }
th[aria-sort] .sort-btn { color: var(--ink); }
.cell-alert { background: var(--breach-bg); color: #8E241C; font-weight: 500; padding-left: 6px !important; }
.cell-caution { background: var(--warn-bg); color: var(--warn); font-weight: 500; padding-left: 6px !important; }
.pill { font: 500 0.78rem/1 var(--sans); padding: 4px 7px; border: 1px solid currentColor; display: inline-block; }
.pill-buy { color: var(--up); } .pill-sell { color: var(--down); }

/* ---------- stat tiles (risk, portfolio totals) ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.stats.five { grid-template-columns: repeat(5, 1fr); }
.stats.auto { grid-template-columns: repeat(var(--n, 4), 1fr); }
.stat { padding: 16px 18px 18px 0; border-bottom: 1px solid var(--rule); }
.stat + .stat { border-left: 1px solid var(--rule); padding-left: 18px; }
.stats:not(.five):not(.auto) .stat:nth-child(4n+1), .stats.five .stat:nth-child(5n+1), .stats.auto .stat:first-child { padding-left: 0; border-left: 0; }
.stat dt { font-size: 0.86rem; color: var(--muted); }
.stat dd { margin: 4px 0 0; font: 400 1.55rem/1.15 var(--serif); }
.stat dd small { display: block; font: 400 0.8rem/1.35 var(--sans); margin-top: 4px; }

/* ---------- correlation heat map ---------- */
table.heat { border-collapse: separate; border-spacing: 2px; font-size: 0.78rem; }
table.heat th { font-weight: 500; color: var(--muted); padding: 4px 6px; text-align: right; white-space: nowrap; }
table.heat thead th { text-align: center; }
table.heat td { width: 46px; height: 34px; text-align: center; color: var(--ink); }
table.heat td.strong { color: #fff; }
.heat-key { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--muted); margin-top: 12px; }
.heat-key i { display: block; width: 180px; height: 10px; background: linear-gradient(90deg, #2459A8, #F0EFEC 50%, #B5342A); }

/* ---------- cards used for research, backtests, team ---------- */
.entry { border-top: 1px solid var(--ink); padding: 22px 0 30px; display: grid; grid-template-columns: 300px 1fr; gap: 20px 56px; }
.entry-side h3 { font-size: 1.5rem; }
.entry-side .ticker-line { color: var(--muted); margin: 2px 0 14px; }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; font-size: 0.93rem; margin: 0; }
.facts dt { color: var(--muted); } .facts dd { margin: 0; font-weight: 500; }
.facts dd.plain { font-weight: 400; }
.note { border-top: 1px solid var(--ink); padding: 20px 0 26px; }
.note-meta { color: var(--muted); font-size: 0.9rem; margin: 4px 0 14px; }
.regime { background: var(--mist); padding: 18px 22px; display: flex; flex-wrap: wrap; gap: 6px 24px; align-items: baseline; margin-bottom: 28px; }
.regime b { font: 400 1.5rem/1.2 var(--serif); }
.team { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0 48px; border-top: 1px solid var(--ink); }
.member { display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--rule); }
.avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font: 400 1.3rem/1 var(--serif); }
.member h3 { font-size: 1.3rem; }
.member .role { color: var(--muted); margin: 2px 0 8px; font-size: 0.95rem; }
.member p { margin: 0; font-size: 0.95rem; }
.model { border-top: 1px solid var(--ink); padding: 20px 0 8px; margin-bottom: 28px; }
.model-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px 40px; margin: 16px 0 20px; }
.model-metric .v { font: 400 1.5rem/1.2 var(--serif); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.model-metric .n { color: var(--muted); font-size: 0.88rem; }
.model-metric p { margin: 4px 0 0; color: var(--muted); font-size: 0.88rem; }
.error-box { background: var(--breach-bg); color: #8E241C; padding: 10px 14px; font-size: 0.9rem; }
.placeholder-flag { background: var(--warn-bg); color: #5A3D00; font-size: 0.9rem; padding: 9px 14px; margin: 0 0 18px; }

/* ---------- small screens ---------- */
@media (max-width: 900px) {
  .cols-2, .cols-3, .footer-inner { grid-template-columns: 1fr; gap: 44px; }
  .site-footer .footer-note { justify-self: start; }
  .kpis, .stats, .stats.five, .stats.auto { grid-template-columns: repeat(2, 1fr); }
  .kpi:nth-child(odd), .stat:nth-child(odd) { padding-left: 0; border-left: 0; }
  .kpi:nth-child(even), .stat:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--rule); }
  .entry { grid-template-columns: 1fr; }
  .chart-box { height: 360px; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 18px; }
  .header-inner { flex-direction: column; align-items: stretch; gap: 4px; padding-top: 14px; }
  .site-nav { margin: 0 -18px; padding: 0 10px; }
  .hero { padding-top: 40px; }
  .hero-changes { font-size: 1.02rem; }
  .page-head { padding-top: 38px; }
  section.block { padding-top: 40px; }
  .kpi dd { font-size: 1.4rem; } .stat dd { font-size: 1.3rem; }
  .bar-row, .bar-row:not(:has(.bar-rank)) { grid-template-columns: auto minmax(0, 1fr) 4.2em; row-gap: 6px; }
  .bar-row:not(:has(.bar-rank)) { grid-template-columns: minmax(0, 1fr) 4.2em; }
  .bar-track { grid-column: 1 / -1; grid-row: 2; }
  #stress-bars .bar-track { grid-column: auto; grid-row: auto; }
  .chart-box { height: 320px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }