:root{
  --sea:#D3E2E8; --sea-deep:#BFD3DC; --land:#F1E4C0; --land-edge:#E2D0A0;
  --ink:#1D2C3A; --ink-soft:#5A6B79; --paper:#FBF7EC;
  --magenta:#A8266F; --wine:#1D2C3A; --faded:#93A3B0;
  --serif:"Crimson Pro",Georgia,"Times New Roman",serif;
  --sans:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sea);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55}
a{color:var(--magenta)}
:focus-visible{outline:2px solid var(--magenta);outline-offset:3px}

/* ---------- scrolly ---------- */
.scrolly{position:relative}
.stage{position:sticky;top:0;height:100vh;height:100svh;width:100%;overflow:hidden}
#map{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:crosshair}
.steps{position:relative;margin-top:-100vh;margin-top:-100svh;width:min(430px,36vw);margin-left:clamp(24px,5vw,80px);z-index:2;pointer-events:none}
.step{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:12vh 0}
.card{pointer-events:auto;background:var(--paper);border:1px solid var(--ink);padding:26px 30px 24px;width:100%}
.card h2{font-family:var(--serif);font-style:italic;font-weight:500;font-size:2.15rem;line-height:1.05;margin:0 0 4px;letter-spacing:-.005em}
.card h2+p:not(.when){margin-top:12px}
.card .when{font-size:.85rem;color:var(--ink-soft);margin:0 0 14px;font-variant-numeric:tabular-nums}
.card p{margin:0 0 .8em}
.card p:last-child{margin-bottom:0}
.card strong{font-weight:600}
.card .big{font-family:var(--serif);font-size:1.45rem;line-height:1.25}
.num{font-variant-numeric:tabular-nums}
.mag{color:var(--magenta);font-weight:600}
.wine{color:var(--wine);font-weight:600}

/* hero */
.step.hero .card{background:transparent;border:0;padding:0}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(3rem,6.2vw,5.6rem);line-height:.92;margin:0 0 22px;letter-spacing:-.02em}
.hero h1 span{display:block;font-style:italic}
.hero .lede{font-size:1.12rem;max-width:30ch;margin:0 0 26px}
.hero .cue{font-size:.9rem;color:var(--ink-soft);display:flex;align-items:center;gap:10px}
.hero .cue::before{content:"";width:1px;height:34px;background:var(--ink);display:block;animation:cue 2.4s ease-in-out infinite;transform-origin:top}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* overlay: year block, legend, chart */
.hud{position:absolute;left:min(39vw,560px);top:clamp(14px,3vh,34px);text-align:left;background:rgba(251,247,236,.94);border:1px solid var(--ink);padding:14px 18px 14px;pointer-events:none;z-index:1;transition:opacity .5s}
.year{font-family:var(--serif);font-style:italic;font-size:clamp(3.4rem,7vw,6.2rem);line-height:.9;font-variant-numeric:lining-nums tabular-nums;letter-spacing:-.02em}
.year.title{font-size:clamp(2rem,3.6vw,3.2rem);line-height:1}
.tally{font-size:.9rem;color:var(--ink-soft);margin-top:6px;max-width:24ch}
.tally b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.legend{list-style:none;margin:14px 0 0;padding:0;font-size:.82rem;display:flex;flex-direction:column;gap:5px;align-items:flex-start}
.legend li{display:flex;align-items:center;gap:8px;flex-direction:row-reverse}
.legend i{width:13px;height:13px;display:inline-block;border:1px solid rgba(0,0,0,.15)}
.chart{position:absolute;right:clamp(16px,3vw,44px);bottom:clamp(16px,4vh,40px);width:min(360px,28vw);margin:0;background:rgba(251,247,236,.94);border:1px solid var(--ink);padding:12px 16px 10px;pointer-events:none;z-index:1;transition:transform .6s cubic-bezier(.2,.7,.2,1),opacity .5s;transform-origin:bottom right}
.chart .cap{font-size:.78rem;color:var(--ink-soft);margin:0 0 6px}
.chart.focus{transform:scale(1.35)}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart text{font-family:var(--sans);font-size:10px;fill:var(--ink-soft)}
.stage[data-mode="legal"] .chart{opacity:0}
.stage[data-hero="1"] .hud,.stage[data-hero="1"] .chart{opacity:0}

/* tooltip / info */
.tip{position:absolute;z-index:3;pointer-events:none;background:var(--paper);border:1px solid var(--ink);padding:10px 12px;font-size:.84rem;line-height:1.4;max-width:260px;opacity:0;transition:opacity .15s}
.tip.on{opacity:1}
.tip .a{font-weight:600;font-size:.95rem}
.tip .s{margin-top:4px}

/* search */
.find label{display:block;font-size:.85rem;color:var(--ink-soft);margin:14px 0 6px}
.find input{width:100%;font:inherit;font-size:1rem;padding:10px 12px;border:1px solid var(--ink);background:#fff;color:var(--ink);border-radius:0}
.find .result{margin-top:14px;border-top:1px solid var(--land-edge);padding-top:12px;min-height:3em}
.find .result .a{font-family:var(--serif);font-style:italic;font-size:1.5rem;line-height:1.1}
.find .verdict{font-weight:600;margin:6px 0 2px}
.find .hint{font-size:.85rem;color:var(--ink-soft)}

/* ---------- methods ---------- */
.after{background:var(--paper);border-top:1px solid var(--ink);position:relative;z-index:3}
.after .wrap{max-width:68ch;margin:0 auto;padding:72px 24px 90px}
.after h2{font-family:var(--serif);font-style:italic;font-weight:500;font-size:2.2rem;margin:0 0 16px;line-height:1.1}
.after h3{font-size:1rem;margin:30px 0 6px}
.after p,.after li{font-size:.97rem}
.after ul{padding-left:1.1em}
.after .cta{margin:34px 0 0;padding:22px 24px;border:1px solid var(--ink);background:#fff}
.after .cta a{font-weight:600}
.after small{color:var(--ink-soft)}

/* ---------- mobile ---------- */
@media (max-width:820px){
  body{font-size:16px}
  .steps{width:auto;margin:0 14px;margin-top:-100vh;margin-top:-100svh}
  .step{align-items:flex-end;padding:0 0 9vh}
  .card{background:rgba(251,247,236,.96);padding:20px 20px 18px}
  .card h2{font-size:1.8rem}
  .step.hero{align-items:flex-start;padding-top:10vh}
  .step.hero .card{background:rgba(211,226,232,.0)}
  .hud{left:12px;right:12px;top:10px;padding:10px 12px}
  .year{font-size:2.4rem}
  .year.title{font-size:1.7rem}
  .tally{font-size:.78rem;max-width:none;margin-top:2px}
  .legend{flex-direction:row;flex-wrap:wrap;gap:4px 12px;margin-top:8px;font-size:.74rem}
  .legend li{flex-direction:row}
  .chart{left:12px;right:12px;top:10px;bottom:auto;width:auto;opacity:0;transform:none!important}
  .chart.focus{opacity:1}
  .stage[data-chart="focus"] .hud{opacity:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* ---------- v2: sources, chapters ---------- */
.card .src{font-size:.74rem;line-height:1.45;color:var(--ink-soft);margin-top:14px;padding-top:10px;border-top:1px solid rgba(29,44,58,.15)}
.card .src a{color:inherit;text-decoration-thickness:1px;text-underline-offset:2px}
.card .ask{font-size:.88rem;font-style:italic}
.step.chapter .card{background:transparent;border:0;padding:0}
.step.chapter .part{font-size:.9rem;color:var(--ink-soft);margin:0 0 6px}
.step.chapter h2{font-size:clamp(2.4rem,4.4vw,3.6rem);line-height:1;margin-bottom:18px}
.step.chapter p{font-size:1.05rem;max-width:34ch}

/* ---------- v2: era cards ---------- */
.card.era{--e-paper:var(--paper);--e-ink:var(--ink);--e-accent:var(--ink);background:var(--e-paper);color:var(--e-ink);border-color:var(--e-ink)}
.card.era .plate{display:block;width:100%;height:auto;max-height:96px;color:var(--e-accent);margin:-4px 0 14px}
.card.era .when{color:var(--e-accent);opacity:.9}

.card.fishing{--e-paper:#F1E6CC;--e-ink:#3A2819;--e-accent:#6B4A2B;border:3px double #3A2819}
.card.fishing h2{font-family:"IM Fell English",Georgia,serif;font-style:italic;font-weight:400;font-size:2.35rem}
.card.fishing .when{font-family:"IM Fell English",Georgia,serif;font-size:1rem}

.card.shoe{--e-paper:#F4ECDC;--e-ink:#2A1C16;--e-accent:#8B2E1C;box-shadow:inset 0 0 0 5px var(--e-paper),inset 0 0 0 6px #8B2E1C}
.card.shoe h2{font-family:"Abril Fatface",Georgia,serif;font-style:normal;font-weight:400;font-size:2.3rem;letter-spacing:.01em}
.card.shoe .when{font-family:"Abril Fatface",Georgia,serif;letter-spacing:.06em;font-size:.9rem}

.card.streetcar{--e-paper:#EAF0E8;--e-ink:#1F332E;--e-accent:#1E6B61;border-width:1px;border-radius:0 18px 0 18px}
.card.streetcar h2{font-family:"Limelight",Georgia,serif;font-style:normal;font-weight:400;font-size:2.1rem;color:#1E6B61}
.card.streetcar .when{letter-spacing:.14em;text-transform:uppercase;font-size:.72rem}

.card.boom{--e-paper:#FBF3E4;--e-ink:#1E2A38;--e-accent:#D0553B;border:0;border-top:6px solid #2A9D8F;border-bottom:6px solid #D0553B;border-radius:14px}
.card.boom h2{font-family:"Josefin Sans",system-ui,sans-serif;font-style:normal;font-weight:700;font-size:2.1rem;letter-spacing:-.01em;color:#1E2A38}
.card.boom .when{font-family:"Josefin Sans",system-ui,sans-serif;font-weight:700;color:#2A9D8F}

.card.downzone{--e-paper:#FFFDF4;--e-ink:#232323;--e-accent:#232323;background-image:repeating-linear-gradient(to bottom,transparent 0 27px,rgba(80,120,170,.13) 27px 28px);border-left:3px double #B8484A}
.card.downzone h2{font-family:"Special Elite","Courier New",monospace;font-style:normal;font-weight:400;font-size:1.9rem;letter-spacing:-.01em}
.card.downzone .when{font-family:"Special Elite","Courier New",monospace}
.plate.typed{position:relative;font-family:"Special Elite","Courier New",monospace;font-size:.72rem;color:#232323;border:1px solid #232323;padding:10px 10px 8px;margin:0 0 16px;background:#fff}
.typed .trow{display:grid;grid-template-columns:5.6em repeat(10,1fr);gap:2px;text-align:center}
.typed .trow span:first-child{text-align:left}
.typed .th{border-bottom:1px solid #232323;padding-bottom:3px;margin-bottom:3px;opacity:.75}
.typed .stamp{position:absolute;right:14px;top:6px;font-family:"Special Elite","Courier New",monospace;font-size:1.6rem;color:#B8484A;border:3px solid #B8484A;padding:0 10px;transform:rotate(-9deg);opacity:.85;letter-spacing:.08em}
.typed .tcap{font-size:.64rem;margin-top:6px;opacity:.7;font-family:var(--sans)}

.card.pause{--e-paper:#FFFFFF;--e-ink:#1D2C3A;--e-accent:#93A3B0}
.card.pause h2{font-family:var(--sans);font-style:normal;font-weight:600;font-size:1.9rem;letter-spacing:-.02em}

/* HUD year takes the era's type */
.stage[data-era="fishing"] .year{font-family:"IM Fell English",Georgia,serif;color:#3A2819}
.stage[data-era="shoe"] .year{font-family:"Abril Fatface",Georgia,serif;font-style:normal;color:#8B2E1C}
.stage[data-era="streetcar"] .year{font-family:"Limelight",Georgia,serif;font-style:normal;color:#1E6B61}
.stage[data-era="boom"] .year{font-family:"Josefin Sans",system-ui,sans-serif;font-style:normal;font-weight:700;color:#D0553B;letter-spacing:-.03em}
.stage[data-era="downzone"] .year{font-family:"Special Elite","Courier New",monospace;font-style:normal}
.stage[data-era="pause"] .year{font-family:var(--sans);font-style:normal;font-weight:600;letter-spacing:-.04em}

/* chart v2 */
.chart{width:min(450px,32vw)}
.chart text.lab{font-size:9.5px}
.stage[data-mode="allow"] .chart,.stage[data-mode="legal"] .chart{opacity:0}
.stage[data-mode="type"] .chart{opacity:1}

@media (max-width:820px){
  .card.era .plate{max-height:58px;margin-bottom:8px}
  .plate.typed{font-size:.6rem}
  .card.fishing h2,.card.shoe h2{font-size:1.9rem}
  .card.streetcar h2,.card.boom h2,.card.downzone h2{font-size:1.65rem}
  .card .src{font-size:.68rem}
  .step.chapter{align-items:flex-end}
  .step.chapter .card{background:rgba(211,226,232,.93);padding:16px 18px;border:1px solid var(--ink)}
  .step.chapter h2{font-size:2.1rem}
  .chart{width:auto}
}
@media (max-width:820px){ .stage[data-mode="type"] .chart:not(.focus){opacity:0} }
.card.era .plate.typed{max-height:none}
@media (max-width:820px){ .card p{font-size:.93rem} .card .big{font-size:1.2rem} }