/* ============================================================================
   fatih.ai/football — Dominant Below, Drowning Above
   Inherits the fatih.ai warm-paper editorial system; adds the promoted/incumbent
   duality (clay vs teal) and a scrollytelling research layout.
   ========================================================================== */

:root {
  /* inherited warm paper */
  --paper:#f6f5f1; --paper-soft:#faf9f6; --sheet:#ffffff;
  --panel:#edebe3; --panel-deep:#e6e3da;
  --line:rgba(26,26,23,.12); --line-strong:rgba(26,26,23,.20);
  --ink:#1a1a17; --ink-soft:#4e4a43; --muted:#8b867b;
  /* the two signal colours — the whole story lives here */
  --incumbent:#0f6b62; --incumbent-soft:#e5efec; --incumbent-line:rgba(15,107,98,.4);
  --promoted:#b8472a;  --promoted-soft:#f5e7e1;  --promoted-line:rgba(184,71,42,.4);
  --gold:#a8801f;
  --display:'Bricolage Grotesque','Hanken Grotesk',system-ui,sans-serif;
  --sans:'Hanken Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --maxw:1080px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper);-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans); color:var(--ink); line-height:1.65;
  background:
    radial-gradient(circle 900px at 50% -10%,#fff 0%,transparent 50%),
    linear-gradient(180deg,var(--paper-soft) 0%,var(--paper) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.mono{font-family:var(--mono)}

/* ---------- top nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:.7rem clamp(1rem,4vw,2.4rem);
  background:rgba(246,245,241,.82); backdrop-filter:blur(12px) saturate(1.2);
  border-bottom:1px solid var(--line);
}
.nav.scrolled{box-shadow:0 1px 0 var(--line),0 8px 24px rgba(26,26,23,.05)}
.nav-home{display:inline-flex;align-items:center;gap:.45rem;padding:.34rem .65rem;border:1px solid var(--line-strong);border-radius:6px;background:var(--sheet);color:var(--ink);font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;transition:.16s}
.nav-home svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-home:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.nav-links{display:flex;gap:.2rem;font-family:var(--mono);font-size:.68rem;letter-spacing:.06em}
.nav-links a{padding:.35rem .6rem;border-radius:4px;color:var(--ink-soft);transition:.16s;text-transform:uppercase}
.nav-links a:hover,.nav-links a.active{background:var(--ink);color:#fff}
/* hamburger (mobile only) */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:40px;height:34px;background:var(--sheet);border:1px solid var(--line-strong);border-radius:6px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .22s,opacity .22s}
.nav.open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:760px){
  .nav{flex-wrap:wrap}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:.15rem;
    background:rgba(246,245,241,.98);backdrop-filter:blur(12px) saturate(1.2);
    border-bottom:1px solid var(--line-strong);box-shadow:0 14px 28px rgba(26,26,23,.1);
    padding:.5rem clamp(1rem,4vw,2.4rem) 1rem;
    max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:max-height .25s ease,opacity .2s ease;
  }
  .nav.open .nav-links{max-height:75vh;opacity:1;pointer-events:auto}
  .nav-links a{padding:.7rem .8rem;font-size:.8rem;border-radius:6px}
}

/* progress rail */
.progress{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--incumbent),var(--promoted));z-index:60;width:0}

/* ---------- layout primitives ---------- */
section{padding:clamp(3.5rem,8vw,6.5rem) clamp(1rem,4vw,2rem);position:relative}
.wrap{max-width:var(--maxw);margin:0 auto}
.narrow{max-width:740px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:'';width:1.75rem;height:2px;background:var(--incumbent);border-radius:2px}
.eyebrow.red::before{background:var(--promoted)}
h2.h{font-family:var(--display);font-weight:700;letter-spacing:-.03em;line-height:1.02;font-size:clamp(1.9rem,4.4vw,3rem);margin:.7rem 0 1rem;color:var(--ink)}
h3.sh{font-family:var(--display);font-weight:600;letter-spacing:-.02em;font-size:clamp(1.2rem,2.4vw,1.6rem);margin:2.2rem 0 .6rem}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);line-height:1.6;color:var(--ink-soft)}
p.body{font-size:1.07rem;line-height:1.72;color:var(--ink-soft);margin:1rem 0}
p.body b,strong{color:var(--ink);font-weight:600}
.kicker{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;color:var(--muted);margin-top:.8rem}
.divider{height:1px;background:var(--line);max-width:var(--maxw);margin:0 auto}
em.prom{color:var(--promoted);font-style:normal;font-weight:600}
em.inc{color:var(--incumbent);font-style:normal;font-weight:600}

/* ---------- hero ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-top:5rem;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:2.5rem;align-items:center}
.hero-title{font-family:var(--display);font-weight:800;letter-spacing:-.045em;line-height:.92;font-size:clamp(2.8rem,7vw,5.2rem);color:var(--ink)}
.hero-title .below{color:var(--incumbent)}
.hero-title .above{color:var(--promoted)}
.hero-sub{margin-top:1.3rem;font-size:clamp(1.05rem,1.7vw,1.3rem);line-height:1.5;color:var(--ink-soft);max-width:34ch}
.hero-meta{margin-top:1.8rem;display:flex;flex-wrap:wrap;gap:.45rem}
.chip{font-family:var(--mono);font-size:.68rem;letter-spacing:.02em;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line-strong);border-radius:4px;padding:.3rem .6rem}
.hero-stat{background:var(--sheet);border:1px solid var(--line-strong);border-radius:8px;padding:1.6rem 1.5rem;box-shadow:0 1px 2px rgba(26,26,23,.05),0 30px 60px rgba(26,26,23,.09)}
.hero-stat .lab{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.bigstat{display:flex;align-items:baseline;gap:.6rem;margin:.5rem 0}
.bigstat .v{font-family:var(--display);font-weight:700;font-size:clamp(2.4rem,5vw,3.4rem);letter-spacing:-.04em;line-height:1}
.bigstat .v.inc{color:var(--incumbent)} .bigstat .v.prom{color:var(--promoted)}
.bigstat .vs{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.scrollcue{position:absolute;bottom:1.6rem;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);animation:bob 2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(5px)}}
@media(max-width:760px){.hero-grid{grid-template-columns:1fr;gap:1.6rem}}

/* ---------- cards / figures ---------- */
/* frameless figure — open, no card/border/shadow (matches the cleaner pages) */
.figure{margin:2rem 0}
.figure::before{display:none}
.figure-pad{padding:0}
.figcap{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;flex-wrap:wrap;margin-bottom:.9rem}
.figcap .t{font-family:var(--display);font-weight:600;font-size:1.05rem;color:var(--ink)}
.figcap .src{font-family:var(--mono);font-size:.66rem;color:var(--muted);letter-spacing:.03em}
.fignote{font-size:.86rem;color:var(--ink-soft);line-height:1.55;margin-top:.8rem;border-top:1px dashed var(--line);padding-top:.7rem}
.chartbox{width:100%;min-height:60px}
.legend{display:flex;gap:1.2rem;font-family:var(--mono);font-size:.72rem;color:var(--ink-soft);margin:.2rem 0 .6rem;flex-wrap:wrap}
.legend i{display:inline-block;width:.7rem;height:.7rem;border-radius:50%;margin-right:.35rem;vertical-align:middle}
.swatch-inc{background:var(--incumbent)} .swatch-prom{background:var(--promoted)}

/* toggle */
.toggle{display:inline-flex;border:1px solid var(--line-strong);border-radius:6px;overflow:hidden;font-family:var(--mono);font-size:.72rem}
.toggle button{padding:.4rem .8rem;background:var(--sheet);color:var(--ink-soft);border:none;cursor:pointer;transition:.15s}
.toggle button.on{background:var(--ink);color:#fff}

/* ---------- stat strip ---------- */
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line-strong);border-radius:8px;overflow:hidden}
.statgrid .cell{background:var(--sheet);padding:1.1rem 1.2rem}
.statgrid .cell .k{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.statgrid .cell .v{font-family:var(--display);font-weight:700;font-size:1.7rem;letter-spacing:-.03em;margin-top:.2rem}
.statgrid .cell .d{font-size:.8rem;color:var(--ink-soft);margin-top:.15rem}

/* comparison table */
.ctable{width:100%;border-collapse:collapse;font-size:.92rem}
.ctable th,.ctable td{padding:.6rem .7rem;text-align:left;border-bottom:1px solid var(--line)}
.ctable th{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500}
.ctable td.num{font-family:var(--mono);text-align:right}
.ctable .vinc{color:var(--incumbent);font-weight:600} .ctable .vprom{color:var(--promoted);font-weight:600}
.ctable tr:hover td{background:var(--paper-soft)}

/* ---------- forecast cards ---------- */
.fc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}
.fc-card{background:var(--sheet);border:1px solid var(--line-strong);border-radius:8px;padding:1.1rem 1.2rem;position:relative;overflow:hidden;transition:.18s}
.fc-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(26,26,23,.1)}
.fc-card.hl{border-color:var(--promoted);box-shadow:0 0 0 1px var(--promoted-line),0 16px 34px rgba(184,71,42,.12)}
.fc-top{display:flex;justify-content:space-between;align-items:baseline}
.fc-club{font-family:var(--display);font-weight:700;font-size:1.2rem;letter-spacing:-.02em}
.fc-route{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;padding:.15rem .4rem;border-radius:3px;background:var(--panel);color:var(--muted)}
.fc-route.play{background:var(--promoted-soft);color:var(--promoted)}
.fc-prob{font-family:var(--display);font-weight:700;font-size:2.4rem;letter-spacing:-.04em;margin:.4rem 0 .1rem}
.fc-band{height:8px;border-radius:5px;background:var(--panel);position:relative;margin:.5rem 0 .3rem;overflow:hidden}
.fc-band .rng{position:absolute;top:0;bottom:0;background:var(--promoted-line);border-radius:5px}
.fc-band .pt{position:absolute;top:-2px;width:3px;height:12px;background:var(--ink);border-radius:2px}
.fc-meta{font-family:var(--mono);font-size:.68rem;color:var(--ink-soft);display:flex;justify-content:space-between;margin-top:.5rem}
.fc-flag{font-size:.7rem;font-family:var(--mono);color:var(--muted)}
.fc-verdict{font-family:var(--sans);font-size:.82rem;font-weight:600;margin:-.15rem 0 .45rem}

/* plain-language "short answer" list */
.answer-list{display:grid;gap:.55rem;margin:1.1rem 0 1.4rem}
.answer-row{display:flex;align-items:baseline;gap:.9rem;flex-wrap:wrap;padding:.75rem 1rem;border:1px solid var(--line-strong);border-radius:7px;background:var(--sheet)}
.answer-row .ac{font-family:var(--display);font-weight:700;font-size:1.18rem;min-width:6.5rem}
.answer-row .av{font-weight:600;font-size:.98rem}
.answer-row .ap{font-family:var(--mono);font-size:.9rem;color:var(--ink-soft);margin-left:auto}
.answer-row .ap b{color:var(--ink);font-size:1.05rem}

/* relegation watch — full-field risk bars */
.releg-list{display:grid;gap:.25rem;margin:.4rem 0}
.releg-row{display:grid;grid-template-columns:1.4rem minmax(6rem,9rem) 2.7rem 1fr 6rem;align-items:center;gap:.7rem;padding:.4rem .55rem;border-radius:5px;transition:.12s}
.releg-row:hover{background:var(--paper-soft)}
.releg-row.danger{background:var(--promoted-soft)}
.rr-rank{font-family:var(--mono);font-size:.72rem;color:var(--muted);text-align:right}
.rr-club{font-family:var(--display);font-weight:600;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rr-bar{height:9px;background:var(--panel);border-radius:5px;overflow:hidden}
.rr-bar span{display:block;height:100%;border-radius:5px}
.rr-pct{font-family:var(--mono);font-size:.74rem;color:var(--ink-soft);text-align:right;white-space:nowrap}
@media(max-width:560px){.releg-row{grid-template-columns:1.2rem 1fr 4.4rem;gap:.5rem}.rr-bar,.rr-type{display:none}}

/* collapsible glossary (Explore: what the columns mean) */
.glossary{margin:1.4rem 0 0;border:1px solid var(--line-strong);border-radius:8px;background:var(--paper-soft);padding:0 1.1rem}
.glossary summary{cursor:pointer;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);padding:.7rem 0;list-style:none}
.glossary summary::-webkit-details-marker{display:none}
.glossary summary::before{content:"▸  ";color:var(--promoted)}
.glossary[open] summary::before{content:"▾  "}
.glossary .keylist{margin:.2rem 0 1rem}

/* callout */
.callout{border-left:3px solid var(--promoted);background:var(--promoted-soft);padding:1.1rem 1.3rem;border-radius:0 6px 6px 0;margin:1.6rem 0}
.callout.inc{border-color:var(--incumbent);background:var(--incumbent-soft)}
.callout .ct{font-family:var(--display);font-weight:600;font-size:1.05rem;margin-bottom:.3rem}
.callout p{font-size:.96rem;color:var(--ink-soft);line-height:1.65}

/* method/equation */
.eqbox{background:var(--paper-soft);border:1px solid var(--line);border-radius:6px;padding:1rem 1.2rem;margin:1rem 0;font-size:.95rem;overflow-x:auto}
.steps{display:grid;gap:.6rem;counter-reset:s}
.step{display:flex;gap:.9rem;align-items:flex-start}
.step .n{flex:none;width:1.7rem;height:1.7rem;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--mono);font-size:.78rem;display:flex;align-items:center;justify-content:center}
.step .x{font-size:.96rem;color:var(--ink-soft);line-height:1.55}

/* footer */
.foot{background:var(--panel-deep);border-top:1px solid var(--line-strong);padding:3rem clamp(1rem,4vw,2rem)}
.foot .wrap{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.foot a{color:var(--incumbent);text-decoration:underline;text-decoration-color:var(--incumbent-line);text-underline-offset:.16em}
.foot h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.7rem}
.foot li{list-style:none;font-size:.9rem;color:var(--ink-soft);margin:.3rem 0}

/* reveal — only hidden when JS is active (html.js); visible by default so the
   page never goes blank if scripts/CDN fail to load */
html.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
html.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}*{animation:none!important}}

/* tooltip */
.tt{position:fixed;pointer-events:none;z-index:80;background:var(--ink);color:#fff;font-family:var(--mono);font-size:.72rem;padding:.4rem .6rem;border-radius:5px;opacity:0;transition:opacity .12s;max-width:240px;line-height:1.4}
.tt b{color:#fff}

/* explorer table */
.exp-controls{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin:1rem 0}
.exp-controls select,.exp-controls input{font-family:var(--mono);font-size:.82rem;padding:.4rem .6rem;border:1px solid var(--line-strong);border-radius:5px;background:var(--sheet);color:var(--ink)}
.exp-table{width:100%;border-collapse:collapse;font-size:.86rem;font-family:var(--mono)}
.exp-table th{position:sticky;top:0;z-index:3;background:var(--panel-deep);font-size:.64rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);padding:.6rem .6rem;text-align:right;cursor:pointer;border-bottom:2px solid var(--line-strong);box-shadow:0 1px 0 var(--line-strong)}
.exp-table th:first-child,.exp-table td:first-child{text-align:left}
.exp-table td{padding:.4rem .6rem;text-align:right;border-bottom:1px solid var(--line)}
.exp-table tr:hover td{background:var(--paper-soft)}
.pill{display:inline-block;padding:.1rem .4rem;border-radius:3px;font-size:.62rem;letter-spacing:.04em}
.pill.p{background:var(--promoted-soft);color:var(--promoted)} .pill.i{background:var(--incumbent-soft);color:var(--incumbent)}

/* ---------- story sub-nav (in-page section jump) ---------- */
.subnav{position:fixed;top:49px;left:0;right:0;z-index:45;background:rgba(246,245,241,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:.1rem;overflow-x:auto;padding:.4rem clamp(1rem,4vw,2rem);scrollbar-width:none}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{flex:none;font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft);padding:.34rem .75rem;border-radius:5px;white-space:nowrap;transition:.14s}
.subnav a:hover{color:var(--ink);background:var(--panel)}
.subnav a.active{color:#fff;background:var(--incumbent)}
.has-subnav{padding-top:2.6rem}
@media(max-width:620px){.subnav{display:none}}

/* ---------- ONE layout for every page: [ sidebar | centered content ] ---------- */
.doc{display:grid;grid-template-columns:200px minmax(0,var(--doc-w,740px));gap:clamp(1.8rem,4vw,3rem);justify-content:center;align-items:start}
.doc.wide{--doc-w:1000px}
.doc-toc{position:sticky;top:80px;align-self:start;font-family:var(--mono);width:200px}
.doc-toc .tl{font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem}
.doc-toc a{display:block;padding:.42rem 0 .42rem .9rem;font-size:.82rem;color:var(--ink-soft);border-left:2px solid var(--line);transition:.14s;cursor:pointer}
.doc-toc a:hover{color:var(--ink);border-color:var(--ink-soft)}
.doc-toc a.active{color:var(--promoted);font-weight:500;border-left-width:3px;border-color:var(--promoted);background:linear-gradient(90deg,var(--promoted-soft),transparent)}
.doc-body{min-width:0}
.doc-body .body{max-width:none}           /* fill the column — consistent with equations/figures/tables */
.doc-body .lead{max-width:none}
.doc-head{margin-bottom:2.2rem}
.doc-body h3.sh:first-child{margin-top:0}
@media(max-width:940px){
  .doc{display:block;max-width:var(--doc-w,740px);margin:0 auto;padding:0 clamp(1rem,4vw,1.5rem)}
  .doc.wide{max-width:1000px}
  .doc-toc{position:static;width:auto;margin:0 0 1.6rem;display:flex;flex-wrap:wrap;gap:.35rem}
  .doc-toc .tl{width:100%}
  .doc-toc a{border-left:none;border:1px solid var(--line-strong);border-radius:5px;padding:.34rem .7rem}
  .doc-toc a.active{border-color:var(--promoted)}
}

/* lead-in number for doc sections */
.snum{font-family:var(--mono);font-size:.7rem;color:var(--promoted);letter-spacing:.1em;margin-right:.5rem}

/* term/definition key (forecast) */
.keylist{display:grid;grid-template-columns:auto 1fr;gap:.6rem 1.4rem;font-size:1rem;margin:0}
.keylist dt{font-family:var(--mono);font-size:.78rem;color:var(--promoted);font-weight:500;white-space:nowrap;padding-top:.18rem}
.keylist dd{color:var(--ink-soft);line-height:1.55;margin:0}
@media(max-width:560px){.keylist{grid-template-columns:1fr;gap:.15rem}.keylist dd{margin-bottom:.7rem}}