/* freqtradestrategy.com — design tokens */
:root {
  --paper: #eef1ec;
  --panel: #f7f9f5;
  --ink: #14211c;
  --ink-2: #33433b;
  --muted: #5d6c64;
  --rule: #cbd3c7;
  --rule-soft: #dde3d9;
  --gain: #1b7552;
  --gain-wash: #d6eadf;
  --loss: #b03a28;
  --loss-wash: #f2dcd6;
  --curve: #b97d0e;
  --ghost: #8d9a92;
  --link: #135e8a;
  --code-bg: #1b2a24;
  --code-ink: #e3ebe5;
  --cta: #14211c;
  --cta-ink: #f7f9f5;
  --radius-s: 4px;
  --radius-m: 10px;
  --font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Spline Sans", "Helvetica Neue", Arial, sans-serif;
  --font-code: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --measure: 68ch;
  --wrap: 1180px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #101a16; --panel: #16221d; --ink: #e2e9e3; --ink-2: #c3cec6; --muted: #92a199;
    --rule: #2d3b34; --rule-soft: #22302a; --gain: #4cc08e; --gain-wash: #18352a; --loss: #ee7a63;
    --loss-wash: #3a211b; --curve: #e8ab3a; --ghost: #66766d; --link: #79bde3; --code-bg: #0b1310;
    --code-ink: #dbe5de; --cta: #e2e9e3; --cta-ink: #101a16;
  }
}
:root[data-theme="dark"] {
  --paper: #101a16; --panel: #16221d; --ink: #e2e9e3; --ink-2: #c3cec6; --muted: #92a199;
  --rule: #2d3b34; --rule-soft: #22302a; --gain: #4cc08e; --gain-wash: #18352a; --loss: #ee7a63;
  --loss-wash: #3a211b; --curve: #e8ab3a; --ghost: #66766d; --link: #79bde3; --code-bg: #0b1310;
  --code-ink: #dbe5de; --cta: #e2e9e3; --cta-ink: #101a16;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.6 var(--font-body);
  font-feature-settings: "kern", "liga";
}
img, svg { display: block; max-width: 100%; }
a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--curve); outline-offset: 2px; border-radius: 2px; }
.num, td, .metric b { font-variant-numeric: tabular-nums; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--panel); padding: 8px 12px; z-index: 10; }

/* Header */
.site-head { border-bottom: 1px solid var(--rule); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none;
  font: 700 19px/1 var(--font-display); letter-spacing: -0.01em; }
.brand svg { width: 34px; height: 22px; }
.nav { display: flex; gap: 22px; flex-wrap: wrap; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }

/* Type */
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); letter-spacing: -0.02em; }
h1 { font-size: clamp(36px, 5.4vw, 64px); line-height: 1.02; font-weight: 750; margin: 0 0 20px; }
h2 { font-size: clamp(25px, 2.8vw, 32px); line-height: 1.15; font-weight: 700; margin: 56px 0 14px; }
h3 { font-size: 20px; line-height: 1.3; font-weight: 650; margin: 32px 0 8px; }
p { margin: 0 0 1em; }
.lede { font-size: 20px; line-height: 1.5; color: var(--ink-2); max-width: 60ch; }
.small { font-size: 14px; color: var(--muted); }

/* Hero */
.hero { padding: 56px 0 28px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 48px; align-items: end; }
.hero h1 { max-width: 13ch; }
.bench { border-left: 3px solid var(--curve); padding: 4px 0 4px 20px; }
.bench p { margin: 0 0 6px; color: var(--ink-2); }
.bench .big { font: 750 46px/1 var(--font-display); color: var(--ink); letter-spacing: -0.02em; margin: 6px 0 10px; }
.bench .big span { font-size: 20px; font-weight: 600; color: var(--muted); letter-spacing: 0; }

/* Leaderboard */
.board-tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 28px 0 12px; }
.chip { font: 500 14px/1 var(--font-body); padding: 8px 12px; border: 1px solid var(--rule); border-radius: 999px;
  background: transparent; color: var(--ink-2); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.board-wrap { overflow-x: auto; border-top: 2px solid var(--ink); }
table { border-collapse: collapse; width: 100%; }
.board { min-width: 860px; font-size: 15px; }
.board th { text-align: right; font-weight: 600; font-size: 13px; color: var(--muted); padding: 12px 10px; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.board th:first-child, .board td:first-child { text-align: left; }
.board th button { all: unset; cursor: pointer; }
.board th button:focus-visible { outline: 3px solid var(--curve); }
.board th[aria-sort] button { color: var(--ink); }
.board th[aria-sort="descending"] button::after { content: " ▾"; }
.board th[aria-sort="ascending"] button::after { content: " ▴"; }
.board td { text-align: right; padding: 10px; border-bottom: 1px solid var(--rule-soft); vertical-align: middle; }
.board tr:hover td { background: var(--panel); }
.board .name a { font: 650 16px/1.2 var(--font-display); color: var(--ink); text-decoration: none; }
.board .name a:hover { text-decoration: underline; }
.board .name small { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
.board td.spark { width: 170px; padding: 6px 10px; }
.pos { color: var(--gain); }
.neg { color: var(--loss); }
.tf { display: inline-block; font-size: 13px; padding: 2px 7px; border: 1px solid var(--rule); border-radius: var(--radius-s); color: var(--ink-2); }
.legend { display: flex; gap: 18px; align-items: center; font-size: 13px; color: var(--muted); margin: 10px 0 0; }
.legend i { display: inline-block; width: 22px; height: 0; border-top: 2px solid var(--curve); vertical-align: middle; margin-right: 6px; }
.legend i.ghost { border-top: 2px dashed var(--ghost); }

/* Sections on home */
.split { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin: 18px 0 0; }
.split h3 { margin-top: 0; }
.guide-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.guide-list li { border-bottom: 1px solid var(--rule); }
.guide-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; padding: 16px 0; color: var(--ink); text-decoration: none; }
.guide-list a strong { font: 650 19px/1.3 var(--font-display); }
.guide-list a span { color: var(--muted); font-size: 15px; display: block; margin-top: 4px; }
.guide-list a em { font-style: normal; color: var(--muted); font-size: 14px; align-self: center; white-space: nowrap; }
.guide-list a:hover strong { text-decoration: underline; }

/* Strategy page */
.crumbs { font-size: 14px; color: var(--muted); padding-top: 28px; }
.crumbs a { color: var(--muted); }
.s-head { padding: 12px 0 8px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; }
.s-head h1 { margin-bottom: 10px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.verdict { font-size: 19px; line-height: 1.55; max-width: var(--measure); color: var(--ink-2); margin: 10px 0 24px; }
.chart-card { background: var(--panel); border: 1px solid var(--rule); border-radius: var(--radius-m); padding: 18px 18px 10px; }
.chart-card figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--ink); margin: 28px 0 0; }
.metric { padding: 14px 14px 16px 0; border-bottom: 1px solid var(--rule); }
.metric span { display: block; font-size: 14px; color: var(--muted); }
.metric b { display: block; font: 700 28px/1.15 var(--font-display); letter-spacing: -0.01em; margin-top: 4px; }
.metric small { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; }
.prose { max-width: var(--measure); }
.prose h2:first-child { margin-top: 40px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 0.35em 0; }
.prose blockquote { margin: 1.2em 0; padding: 12px 18px; border-left: 3px solid var(--curve); background: var(--panel); color: var(--ink-2); }
.prose blockquote p:last-child { margin: 0; }
.prose table { margin: 1em 0 1.5em; font-size: 15px; }
.prose th, .prose td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.prose th { font-weight: 600; border-bottom: 2px solid var(--ink); }
.rules dt { font-weight: 600; margin-top: 12px; }
.rules dd { margin: 2px 0 0; color: var(--ink-2); }
.data-table { font-size: 15px; margin: 8px 0 0; }
.data-table th { text-align: right; font-weight: 600; font-size: 13px; color: var(--muted); padding: 8px; border-bottom: 2px solid var(--ink); }
.data-table td { text-align: right; padding: 8px; border-bottom: 1px solid var(--rule-soft); }
.data-table th:first-child, .data-table td:first-child { text-align: left; }
.months { display: grid; grid-template-columns: 56px repeat(12, minmax(0, 1fr)); gap: 3px; font-size: 12px; margin-top: 12px; }
.months .h { color: var(--muted); text-align: center; padding: 2px 0; }
.months .y { color: var(--muted); align-self: center; font-weight: 600; }
.months .c { border-radius: 3px; text-align: center; padding: 8px 0; font-variant-numeric: tabular-nums; color: var(--ink); }
.months .c.empty { background: transparent; }

/* Code */
pre, code { font-family: var(--font-code); font-size: 0.86em; }
:not(pre) > code { background: var(--rule-soft); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--code-bg); color: var(--code-ink); padding: 16px 18px; border-radius: var(--radius-m); overflow-x: auto; line-height: 1.55; margin: 0 0 1.3em; }
pre code { background: none; padding: 0; font-size: 13.5px; }
details.code { border: 1px solid var(--rule); border-radius: var(--radius-m); margin: 12px 0; background: var(--panel); }
details.code summary { cursor: pointer; padding: 12px 16px; font-weight: 600; }
details.code pre { margin: 0 12px 12px; }
.hl .k, .hl .kn, .hl .kd, .hl .ow { color: #f0b860; }
.hl .s, .hl .s1, .hl .s2, .hl .sa { color: #9fd5a8; }
.hl .mi, .hl .mf { color: #f29a7c; }
.hl .c1, .hl .c, .hl .sd { color: #7f938a; font-style: italic; }
.hl .nf, .hl .nc { color: #8cc8ec; }
.hl .bp, .hl .nb { color: #d6a8e8; }

/* CTA */
.run-box { border: 2px solid var(--ink); border-radius: var(--radius-m); padding: 22px 24px; margin: 32px 0; background: var(--panel); }
.run-box h2 { margin-top: 0; font-size: 24px; }
.run-box ol { padding-left: 1.2em; margin: 0 0 16px; }
.btn { display: inline-block; background: var(--cta); color: var(--cta-ink); font: 600 16px/1 var(--font-body);
  padding: 14px 20px; border-radius: 999px; text-decoration: none; }
.btn:hover { text-decoration: underline; }
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.disclosure { font-size: 13px; color: var(--muted); margin-top: 12px; }
.aside-box { border-top: 2px solid var(--ink); padding-top: 14px; }

/* Article */
.article-head { padding: 24px 0 8px; max-width: 46ch; }
.article-head h1 { font-size: clamp(34px, 4.6vw, 54px); }
.meta-line { font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.article { display: grid; grid-template-columns: minmax(0, var(--measure)) minmax(0, 1fr); gap: 56px; }
.toc { position: sticky; top: 24px; align-self: start; font-size: 15px; border-left: 1px solid var(--rule); padding-left: 18px; }
.toc p { font-weight: 600; margin-bottom: 8px; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 6px 0; }
.toc a { color: var(--ink-2); text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* Footer */
.site-foot { margin-top: 88px; border-top: 1px solid var(--rule); padding: 32px 0 48px; font-size: 14px; color: var(--muted); }
.site-foot .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.site-foot a { color: var(--ink-2); }
.site-foot ul { list-style: none; padding: 0; margin: 0; }
.site-foot li { margin: 6px 0; }
.risk { max-width: 70ch; }
.theme-toggle { background: none; border: 1px solid var(--rule); color: var(--ink-2); border-radius: 999px; padding: 6px 12px; font: 500 13px var(--font-body); cursor: pointer; }

@media (max-width: 900px) {
  .hero, .two-col, .article, .s-head { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toc { position: static; border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 14px; }
  .site-foot .cols { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  body { font-size: 16px; }
  .nav { gap: 14px; }
  .nav a { font-size: 14px; }
  .site-head .wrap { flex-direction: column; align-items: flex-start; padding: 12px 16px; gap: 10px; }
  .months { grid-template-columns: 40px repeat(12, minmax(0, 1fr)); font-size: 10px; }
  .months .c { padding: 6px 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }