/* ============ Tokens ============ */
:root {
  --red:        #C8102E;
  --red-dark:   #9E0C23;
  --red-soft:   #FBEDEF;
  --green:      #1A8754;
  --green-soft: #ECF7F1;
  --ink:        #1A1A1A;
  --mid:        #4A4A4A;
  --muted:      #888;
  --line:       #E5E3DE;
  --line-strong:#C9C5BD;
  --surface:    #F7F7F4;
  --paper:      #FBFAF7;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

/* ============ Reset / base ============ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum" 1, "ss01" 1;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; }
.gain { color: var(--green); }
.loss { color: var(--red); }
.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============ Top bar (TBC-style) ============ */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.topbar__logo {
  display: flex; align-items: center; gap: 12px;
}
.topbar__logo-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.topbar__logo-mark span { color: var(--red); }
.topbar__logo-tag {
  font-size: 11px; color: var(--muted);
  letter-spacing: 0.06em; text-transform: uppercase;
  border-left: 1px solid var(--line);
  padding-left: 12px;
}
.topbar__nav { display: flex; gap: 28px; }
.topbar__nav a {
  font-size: 14px;
  color: var(--mid);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.topbar__nav a:hover { color: var(--ink); }
.topbar__nav a.active {
  color: var(--ink);
  border-bottom-color: var(--red);
}

/* ============ Page hero (non-homepage) ============ */
.page-hero {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  padding: 56px 0 48px;
}
.page-hero__eyebrow {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 12px;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 16px 0;
}
.page-hero__sub {
  color: var(--mid);
  font-size: 16px;
  max-width: 720px;
  line-height: 1.6;
  margin: 0;
}

/* ============ Hero / Index ticker (homepage) ============ */
.hero {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.hero__inner { padding: 36px 0 32px; }
.hero__crumb { font-size: 12px; color: var(--muted); margin-bottom: 14px; letter-spacing: 0.04em; }
.hero__title-row {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.hero__title {
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 6px 0;
}
.hero__sub {
  color: var(--mid);
  font-size: 15px;
  max-width: 580px;
  margin-top: 8px;
}
.hero__live {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--mid); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--paper);
}
.hero__live-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; }
.hero__sample {
  font-size: 11px; color: var(--red); letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 10px; border: 1px solid var(--red); border-radius: 999px;
  background: var(--red-soft);
  font-weight: 600;
}

/* Index value tile */
.iv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: end;
  margin-top: 28px;
}
.iv__main { display: flex; flex-direction: column; }
.iv__label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.iv__value {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.iv__delta { display: flex; gap: 12px; margin-top: 10px; align-items: baseline; }
.iv__delta-val { font-family: var(--font-mono); font-size: 18px; font-weight: 500; }
.iv__delta-pct {
  font-family: var(--font-mono); font-size: 14px;
  padding: 3px 8px; border-radius: 3px;
}
.iv__delta-pct.gain { background: var(--green-soft); color: var(--green); }
.iv__delta-pct.loss { background: var(--red-soft); color: var(--red); }
.iv__since { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* Sparkline */
.iv__chart { align-self: end; }
.iv__chart svg { display: block; width: 100%; height: 100px; max-width: 540px; }

/* Stat row */
.statrow {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  margin-top: 32px;
}
.stat {
  padding: 18px 0;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat__label { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.stat__value { font-family: var(--font-mono); font-size: 20px; font-weight: 500; }
.stat__sub { font-family: var(--font-mono); font-size: 12px; margin-top: 2px; }

/* ============ Section blocks ============ */
.section { padding: 56px 0; border-top: 1px solid var(--line); }
.section--first { border-top: none; }
.section__head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.section__title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.section__meta { font-size: 12px; color: var(--muted); max-width: 720px; }

/* ============ Sector allocation ============ */
.alloc { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.alloc__list { display: flex; flex-direction: column; gap: 14px; }
.alloc__row {
  display: grid;
  grid-template-columns: 220px 1fr 60px;
  align-items: center;
  gap: 16px;
}
.alloc__name { font-size: 14px; }
.alloc__bar { height: 14px; background: var(--surface); position: relative; border-radius: 1px; }
.alloc__bar-fill {
  position: absolute; top: 0; left: 0; bottom: 0;
  background: var(--ink);
  border-radius: 1px;
}
.alloc__bar-fill--accent { background: var(--red); }
.alloc__pct { font-family: var(--font-mono); font-size: 13px; text-align: right; }

.alloc__notes {
  background: var(--surface);
  padding: 24px;
  border: 1px solid var(--line);
}
.alloc__notes h4 {
  font-family: var(--font-display);
  font-size: 17px;
  margin: 0 0 10px 0;
  font-weight: 600;
}
.alloc__notes p {
  font-size: 14px;
  color: var(--mid);
  margin: 0 0 10px 0;
  line-height: 1.6;
}
.alloc__notes p:last-child { margin-bottom: 0; }

/* ============ Constituents table ============ */
.ctbl-wrap { border: 1px solid var(--line); overflow-x: auto; }
.ctbl { width: 100%; border-collapse: collapse; min-width: 920px; }
.ctbl thead th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--surface);
  white-space: nowrap;
}
.ctbl thead th.num, .ctbl tbody td.num { text-align: right; }
.ctbl tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  vertical-align: middle;
}
.ctbl tbody tr:last-child td { border-bottom: none; }
.ctbl tbody tr:hover { background: #F9F8F4; }
.ctbl__rank {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  width: 32px;
}
.ctbl__name { font-weight: 500; }
.ctbl__cn { color: var(--muted); font-size: 12px; margin-left: 6px; }
.ctbl__ticker {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 7px;
  background: var(--surface);
  border-radius: 2px;
  color: var(--mid);
  white-space: nowrap;
}
.ctbl__sector {
  font-size: 12px;
  color: var(--mid);
}
.ctbl__tag {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 2px;
  margin-left: 6px;
  white-space: nowrap;
}
.ctbl__tag--pure { background: #FFF8E5; color: #876200; border: 1px solid #F0E0B0; }
.ctbl__tag--core { background: #EEF4FB; color: #1F4E7A; border: 1px solid #C8D9EC; }
.ctbl__tag--emerging { background: var(--surface); color: var(--mid); border: 1px solid var(--line); }
.ctbl__tag--div  { background: var(--surface); color: var(--mid); border: 1px solid var(--line); }
.ctbl__pct { font-family: var(--font-mono); font-weight: 500; }
.ctbl__chg { font-family: var(--font-mono); font-size: 13px; }

/* ============ Risk profile ============ */
.risk-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.risk-stat {
  border: 1px solid var(--line);
  padding: 20px;
  background: var(--paper);
}
.risk-stat__label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  line-height: 1.3;
  min-height: 28px;
}
.risk-stat__value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--ink);
}
.risk-stat__compare {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mid);
  margin-top: 6px;
}
.risk-notes {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 20px 24px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mid);
}
.risk-notes strong { color: var(--ink); }
@media (max-width: 900px) {
  .risk-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ Featured quote ============ */
.featured-quote {
  border-left: 4px solid var(--red);
  padding: 22px 28px;
  margin: 0 0 36px 0;
  background: var(--surface);
}
.featured-quote__text {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.45;
  font-style: italic;
  margin: 0 0 14px 0;
  color: var(--ink);
  font-weight: 500;
}
.featured-quote__cite {
  font-size: 13px;
  color: var(--mid);
}
.featured-quote__cite a {
  color: var(--red);
  border-bottom: 1px solid var(--red);
}

/* ============ Methodology document (prose) ============ */
.prose {
  max-width: 760px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 56px 0 16px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.prose h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.prose h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 12px;
}
.prose h4 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  margin: 24px 0 8px;
  letter-spacing: 0.02em;
}
.prose p { margin: 0 0 14px; color: var(--mid); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 24px; color: var(--mid); }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--red); border-bottom: 1px solid rgba(200,16,46,0.3); }
.prose a:hover { border-bottom-color: var(--red); }
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}
.prose table th, .prose table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.prose table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--surface);
  font-weight: 600;
}
.prose blockquote {
  margin: 18px 0 22px;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--red);
  font-style: italic;
  color: var(--ink);
}
.prose code {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 1px 5px;
  background: var(--surface);
  border-radius: 2px;
}
.prose hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

/* ============ Methodology summary cards ============ */
.methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.methods__card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.methods__card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0 0 8px 0;
  font-weight: 600;
}
.methods__card p {
  font-size: 14px;
  color: var(--mid);
  margin: 0;
  line-height: 1.6;
}
.methods__card .eyebrow { margin-bottom: 6px; display: block; }
.methods-link {
  margin-top: 24px;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600;
  color: var(--red);
  border-bottom: 1px solid var(--red);
  padding-bottom: 2px;
}

/* ============ Watch list ============ */
.watchlist { background: var(--surface); }
.watchlist__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.watchlist__col {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 24px;
}
.watchlist__col h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 4px 0;
}
.watchlist__col-sub {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.watchlist__item {
  padding: 12px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
}
.watchlist__item:first-of-type { border-top: none; padding-top: 0; }
.watchlist__item-name { font-size: 14px; font-weight: 500; }
.watchlist__item-cn { font-size: 12px; color: var(--muted); margin-left: 6px; }
.watchlist__item-meta { font-family: var(--font-mono); font-size: 11px; color: var(--mid); text-align: right; white-space: nowrap; }
.watchlist__item-why { font-size: 12px; color: var(--mid); margin-top: 4px; line-height: 1.5; grid-column: 1 / -1; }

/* ============ References ============ */
.references-section { background: var(--paper); }
.references__list { display: flex; flex-direction: column; gap: 0; }
.references__item {
  padding: 24px 0 24px 44px;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.references__item:first-child { padding-top: 0; }
.references__item:last-child { border-bottom: none; padding-bottom: 0; }
.references__num {
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.references__item:first-child .references__num { top: 0; }
.references__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 6px 0;
  color: var(--ink);
}
.references__cite {
  font-size: 14px;
  color: var(--mid);
  margin: 0 0 8px 0;
  line-height: 1.55;
}
.references__url {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  word-break: break-all;
  display: inline-block;
  margin: 4px 0 8px 0;
  border-bottom: 1px solid rgba(200,16,46,0.25);
}
.references__url:hover { border-bottom-color: var(--red); }
.references__note {
  font-size: 13px;
  color: var(--mid);
  font-style: italic;
  margin: 0;
}

/* ============ Cross-link panel ============ */
.crosslink {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  background: var(--ink);
  color: #fff;
  padding: 32px;
}
.crosslink__txt h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0 0 6px 0;
  font-weight: 600;
}
.crosslink__txt p { margin: 0; color: #C9C5BD; font-size: 14px; }
.crosslink__cta {
  font-size: 14px; font-weight: 600;
  padding: 12px 18px;
  border: 1px solid #fff;
  white-space: nowrap;
}
.crosslink__cta:hover { background: #fff; color: var(--ink); }

/* ============ Disclaimer ============ */
.disclaim {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 32px 0;
  font-size: 12px;
  color: var(--mid);
}
.disclaim h4 {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 10px 0;
}
.disclaim p { margin: 0 0 8px 0; line-height: 1.6; }
.disclaim a { color: var(--red); border-bottom: 1px solid var(--red); }

/* ============ Footer ============ */
.footer {
  background: var(--ink);
  color: #C9C5BD;
  padding: 40px 0 24px 0;
  font-size: 13px;
}
.footer a { color: #fff; }
.footer__inner {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 24px; flex-wrap: wrap;
}
.footer__brand-name { font-family: var(--font-display); font-size: 20px; color: #fff; font-weight: 600; }
.footer__brand-name span { color: var(--red); }
.footer__copy { font-size: 12px; color: #888; }

/* ============ Mobile ============ */
@media (max-width: 900px) {
  .iv { grid-template-columns: 1fr; }
  .statrow { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .alloc { grid-template-columns: 1fr; gap: 32px; }
  .alloc__row { grid-template-columns: 1fr 1fr 60px; }
  .methods { grid-template-columns: 1fr; }
  .watchlist__grid { grid-template-columns: 1fr; }
  .topbar__nav { display: none; }
  .hero__title { font-size: 32px; }
  .page-hero__title { font-size: 36px; }
  .iv__value { font-size: 48px; }
  .ctbl thead th, .ctbl tbody td { padding: 10px 12px; }
  .ctbl__sector { display: none; }
  .crosslink { flex-direction: column; align-items: flex-start; }
}