/* /instiv2/strategies/by-tier/<tier>/ (generated by instiv2-tools/build-strategy-extras.mjs). Mobile first; desktop from 861 px.
   Shared xs-* parts are the same as in factsheets/page.css and compare/page.css. */
:root { --xs-g: #087553; --xs-r: #C93C3C; --xs-c1: #2A62C9; --xs-c2: #087553; --xs-c3: #B8730F; --xs-c4: #7A3FCF; --xs-c5: #C93C3C; --xs-soft: rgba(11, 18, 32, .045); }
html[data-theme="dark"] { --xs-g: #3DDC97; --xs-r: #FF8C8C; --xs-c1: #7FB2FF; --xs-c2: #3DDC97; --xs-c3: #FFD166; --xs-c4: #C59BFF; --xs-c5: #FF8C8C; --xs-soft: rgba(255, 255, 255, .05); }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.xs-ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.xs-note { margin: 14px 0 0; max-width: 72ch; font: 400 13px/1.55 "JetBrains Mono", "JBM Fallback", monospace; letter-spacing: .01em; color: var(--page-faint); }
.xs-p { margin: 0 0 10px; font-size: 15px; line-height: 1.55; color: var(--page-muted); }
.xs-sec { position: relative; padding: 52px 0 44px; background: var(--page); color: var(--page-text); }
.xs-band { background: var(--frame-glow); }
.xs-wrap { max-width: 1400px; margin: 0 auto; padding: 0 var(--pad); }
.xs-sec .kicker, .xs-faq .kicker { color: var(--page-muted); }
.xs-sec .kicker .num, .xs-faq .kicker .num { color: var(--page-text); border-color: var(--page-line); }
.xs-head { margin-bottom: 20px; }
.xs-head .h-m { font-size: clamp(28px, 7.6vw, 34px); }
.xs-head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 6px 20px; }
.xs-lede { margin: 12px 0 0; max-width: 44em; font-size: 15px; line-height: 1.55; color: var(--page-muted); }
.xs-h3 { margin: 26px 0 10px; font-size: 17px; font-weight: 650; letter-spacing: -0.01em; }
.xs-lnk { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 600; color: var(--page-text); }
.xs-lnk .xs-ic { width: 16px; height: 16px; }
.xs-rm { display: inline-flex; gap: 3px; flex: none; vertical-align: middle; }
.xs-rm i { width: 16px; height: 8px; border-radius: 3px; background: color-mix(in srgb, var(--page-text) 12%, transparent); }
.xs-rm i.lo { background: color-mix(in srgb, var(--rc) 40%, transparent); }
.xs-rm i.on { background: var(--rc); box-shadow: 0 0 0 2px color-mix(in srgb, var(--page-text) 15%, transparent); }
/* the curve figure */
.xs-cv { margin: 12px 0 0; padding: 16px 14px 8px; border-radius: 20px; background: var(--page-2); box-shadow: 0 0 0 1px var(--page-line); }
.xs-cv-lg { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; font: 500 13px/1.4 "JetBrains Mono", "JBM Fallback", monospace; color: var(--page-muted); }
.xs-cv-lg span { display: inline-flex; align-items: center; }
.xs-cv-lg i { display: inline-block; width: 18px; height: 2px; margin-right: 8px; background: var(--c, var(--xs-c1)); }
.xs-cv-lg .b i { background: repeating-linear-gradient(90deg, var(--page-faint) 0 4px, transparent 4px 7px); }
.xs-cv-lg b { margin-left: 8px; font-weight: 600; color: var(--c, var(--page-text)); }
.xs-cv-lg .b b { color: var(--page-text); }
.xs-cv-plot { position: relative; height: 210px; margin-top: 14px; }
.xs-cv-plot > svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.xs-cv svg path { fill: none; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.xs-cv svg .gl { stroke: var(--page-line); stroke-width: 1; }
.xs-cv svg .s { stroke: var(--c); stroke-width: 2.4; stroke-dasharray: 1 1; stroke-dashoffset: 1; }
.xs-cv svg .b { stroke: var(--page-faint); stroke-width: 1.3; stroke-dasharray: 5 5; }
.xs-cv svg .a { fill: color-mix(in srgb, var(--xs-c1) 10%, transparent); stroke: none; }
.xs-cv.is-in svg .s { animation: xsDraw 2s cubic-bezier(.3, .6, .1, 1) forwards; }
.no-js .xs-cv svg .s { stroke-dashoffset: 0; }
@keyframes xsDraw { to { stroke-dashoffset: 0; } }
.xs-cv-t { position: absolute; left: 0; padding-right: 4px; background: var(--page-2); transform: translateY(-115%); font: 500 13px/1 "JetBrains Mono", "JBM Fallback", monospace; color: var(--page-faint); }
.xs-cv-x { position: relative; height: 22px; margin-top: 8px; }
.xs-cv-x span { position: absolute; top: 0; padding-left: 6px; border-left: 1px solid var(--page-line); font: 500 13px/1.6 "JetBrains Mono", "JBM Fallback", monospace; color: var(--page-faint); }
.xs-cv-x span:nth-child(2n) { display: none; }
/* link lists, docs, next */
.xs-pairs { list-style: none; display: grid; gap: 8px; margin: 0; padding: 0; }
.xs-pairs a { display: grid; gap: 3px; min-height: 44px; padding: 13px 14px; border-radius: 14px; background: var(--page-2); box-shadow: 0 0 0 1px var(--page-line); color: var(--page-text); transition: box-shadow .25s; }
.xs-pairs a:hover { box-shadow: 0 0 0 1px var(--page-faint); }
.xs-pairs span { font: 500 13px/1.2 "JetBrains Mono", "JBM Fallback", monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--page-faint); }
.xs-pairs b { font-size: 16px; }
.xs-pairs small { font: 500 13px/1.35 "JetBrains Mono", "JBM Fallback", monospace; color: var(--page-muted); }
.xs-docs { list-style: none; display: grid; gap: 8px; margin: 0; padding: 0; }
.xs-docs a { display: flex; align-items: center; gap: 12px; min-height: 60px; padding: 12px 14px; border-radius: 14px; background: var(--page-2); box-shadow: 0 0 0 1px var(--page-line); color: var(--page-text); }
.xs-docs a:hover { box-shadow: 0 0 0 1px var(--page-faint); }
.xs-docs a > span { flex: 1 1 auto; min-width: 0; display: grid; gap: 2px; }
.xs-docs b { font-size: 15.5px; }
.xs-docs small { font-size: 13px; line-height: 1.4; color: var(--page-muted); }
.xs-more { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 24px; }
.xs-more a { display: grid; gap: 3px; min-height: 44px; padding: 12px 14px; border-radius: 14px; background: var(--page-2); box-shadow: 0 0 0 1px var(--page-line); color: var(--page-text); }
.xs-more small { font-size: 13px; color: var(--page-muted); }
.xs-more b { font-size: 15px; }
/* FAQ and close, without photos (leaf pages) */
.xs-faq { color: var(--text); background: radial-gradient(90% 70% at 70% 30%, #0E1C36 0%, #05080F 70%); }
.xs-faq-in { display: grid; gap: 26px; padding-top: clamp(60px, 10vh, 120px); padding-bottom: clamp(60px, 10vh, 120px); }
.xs-faq .kicker { color: var(--muted); }
.xs-faq .kicker .num { color: var(--text); border-color: var(--line); }
.xs-faq details { border-top: 1px solid var(--line); }
.xs-faq details:last-child { border-bottom: 1px solid var(--line); }
.xs-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; padding: 14px 0; cursor: pointer; list-style: none; }
.xs-faq summary::-webkit-details-marker { display: none; }
.xs-faq summary h3 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.xs-faq summary::after { content: "+"; flex: none; font: 400 22px/1 "JetBrains Mono", "JBM Fallback", monospace; color: var(--muted); transition: transform .3s var(--ease); }
.xs-faq details[open] summary::after { transform: rotate(45deg); }
.xs-faq details p { margin: 0 0 20px; max-width: 39em; font-size: 15px; line-height: 1.6; color: var(--muted); }
.xs-close { position: relative; display: grid; place-items: center; min-height: 60vh; text-align: center; color: var(--text); background: radial-gradient(80% 90% at 50% 100%, #13294D 0%, #05080F 70%); }
.xs-close-in { padding: 70px var(--pad); }
.xs-close .h-l { font-size: clamp(34px, 8vw, 72px); }
.xs-close .xs-note { max-width: 60ch; margin: 22px auto 0; color: var(--faint); }
/* hero: typographic, no photo */
.tx-hero { min-height: 0; background: radial-gradient(90% 70% at 80% 20%, #10213F 0%, #05080F 70%); }
.tx-hero .pg-hero-in { padding-bottom: clamp(32px, 6vh, 60px); }
.tx-h1 { font-size: clamp(42px, 11vw, 54px); overflow-wrap: anywhere; }
.tx-h1-t { display: block; margin-top: .25em; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; color: var(--muted); }
.tx-hero .sub { max-width: 40em; font-size: 16px; }
/* cards: three numbers and a sparkline, chart led */
.xs-cards { display: grid; gap: 10px; }
.xs-card { position: relative; display: grid; gap: 6px; min-width: 0; padding: 16px 14px 14px; border-radius: 20px; background: var(--page-2); color: var(--page-text); box-shadow: 0 0 0 1px var(--page-line), 0 24px 50px -40px rgba(5, 8, 15, .5); transition: box-shadow .3s var(--ease), transform .5s var(--ease); }
.xs-card:hover { box-shadow: 0 0 0 1px var(--page-faint), 0 30px 60px -36px rgba(5, 8, 15, .5); transform: translateY(-2px); }
.xs-card-top { display: flex; justify-content: space-between; gap: 10px; font: 500 13px/1.3 "JetBrains Mono", "JBM Fallback", monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--page-faint); }
.xs-risk { display: inline-flex; align-items: center; gap: 6px; color: var(--page-text); }
.xs-risk i { width: 8px; height: 8px; border-radius: 50%; background: var(--rc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--rc) 25%, transparent); }
.xs-card-n { margin-top: 6px; font-size: 21px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.xs-card > small { font-size: 13px; line-height: 1.4; color: var(--page-muted); }
.xs-spark { width: 100%; height: 64px; margin-top: 8px; }
.xs-spark path { vector-effect: non-scaling-stroke; }
.xs-spark .b { fill: none; stroke: var(--page-faint); stroke-width: 1.2; stroke-dasharray: 4 4; }
.xs-spark .a { fill: color-mix(in srgb, var(--xs-c1) 12%, transparent); stroke: none; }
.xs-spark .s { fill: none; stroke: var(--xs-c1); stroke-width: 2; }
.xs-card-fig { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 8px; padding-top: 12px; border-top: 1px solid var(--page-line); }
.xs-card-fig > span { display: grid; gap: 4px; font: 650 17px/1 "JetBrains Mono", "JBM Fallback", monospace; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.xs-card-fig em { font: 500 13px/1.2 "JetBrains Mono", "JBM Fallback", monospace; letter-spacing: .06em; text-transform: uppercase; font-style: normal; color: var(--page-faint); }
/* how they differ: a table above 720, cards below */
.xs-tbl { display: grid; gap: 10px; }
.xs-tr { display: grid; grid-template-columns: 1fr; border-radius: 16px; background: var(--page-2); box-shadow: 0 0 0 1px var(--page-line); overflow: hidden; }
.xs-th { display: none; }
.xs-tr > span { display: grid; grid-template-columns: 110px 1fr; gap: 10px; padding: 9px 14px; font-size: 13.5px; line-height: 1.4; color: var(--page-text); border-top: 1px solid var(--page-line); }
.xs-tr > span.k { display: block; border-top: 0; padding: 14px 14px 8px; font-size: 15px; font-weight: 650; }
.xs-tr > span[data-c]::before { content: attr(data-c); font: 600 13px/1.5 "JetBrains Mono", "JBM Fallback", monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--page-faint); }
.xs-tr a { color: var(--page-text); font-weight: 650; }
@media (min-width: 721px) {
  .xs-tbl { gap: 0; border-radius: 22px; overflow: hidden; background: var(--page-2); box-shadow: 0 0 0 1px var(--page-line); }
  .xs-tr { grid-template-columns: minmax(130px, .8fr) repeat(var(--n), minmax(0, 1fr)); border-radius: 0; box-shadow: none; background: none; }
  .xs-th { display: grid; }
  .xs-tr > span, .xs-tr > span.k { display: block; padding: 13px 16px; font-size: 14px; border-top: 1px solid var(--page-line); }
  .xs-th > span { border-top: 0; padding-top: 18px; font: 600 13px/1.3 "JetBrains Mono", "JBM Fallback", monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--page-faint); }
  .xs-th a { font: 600 13px/1.3 Inter, "Inter Fallback", sans-serif; letter-spacing: 0; text-transform: none; }
  .xs-tr > span.k { font-weight: 600; color: var(--page-muted); }
  .xs-tr > span[data-c]::before { content: none; }
  .xs-tr:not(.xs-th):hover > span { background: color-mix(in srgb, var(--page-text) 3%, transparent); }
}
@media (min-width: 861px) {
  .xs-sec { padding: 72px 0 64px; }
  .xs-head .h-m { font-size: clamp(34px, 3.2vw, 46px); }
  .xs-cv-plot { height: 320px; }
  .xs-cv-x span:nth-child(2n) { display: block; }
  .xs-pairs { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .xs-more { grid-template-columns: repeat(4, 1fr); }
  .xs-faq-in { grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 5vw, 90px); }
  .tx-hero .pg-hero-in { padding-top: calc(var(--hdr) + 70px); }
  .xs-cards { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
  .xs-card { padding: 22px 22px 18px; }
  .xs-card-fig > span { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  .xs-cv svg .s, .xs-cv.is-in svg .s { stroke-dashoffset: 0; animation: none !important; }
  .xs-card { transition: none; }
}
.no-js .xs-cv svg .s, .xs-cv:not(.is-in) svg .s { stroke-dashoffset: 0; animation: xsDrawIn 2s cubic-bezier(.3, .6, .1, 1) both; }
@keyframes xsDrawIn { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { .xs-cv:not(.is-in) svg .s { animation: none !important; } }