/* history.html — dark archive: B&W photos, red as the only colour, one sticky graphic that changes per chapter */
.hxp{--hx-bg:#0B100E;--hx-bg2:#121916;--hx-ink:#EEF1EE;--hx-ink2:#A9B3AD;--hx-line:rgba(255,255,255,.12);--hx-dot:#3A4540;background:var(--hx-bg);color:var(--hx-ink)}
.hxp .kicker{color:var(--hx-ink2)}
.hxp .nav:not(.over){background:rgba(11,16,14,.9);border-bottom-color:var(--hx-line)}
.hxp .nav:not(.over) .brand,.hxp .nav:not(.over) ul{color:var(--hx-ink)}
.hxp .nav:not(.over) .cta.ghost{color:var(--hx-ink);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4)}
.hxp .nav:not(.over) .langs{border-color:var(--hx-line)}
.hxp .nav:not(.over) .langs button{color:var(--hx-ink2)}
.hxp .nav:not(.over) .langs button[aria-pressed="true"]{background:#fff;color:#111}
.hxp .nav-burger{color:var(--hx-ink)}
.hxp .nav{margin-bottom:-68px}

/* ---------- cover ---------- */
.hx-cover{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hx-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.15) brightness(.55);z-index:-2;transform:scale(1.04)}
.hx-cover::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(to top,var(--hx-bg) 0%,rgba(11,16,14,.6) 40%,rgba(11,16,14,.15) 100%)}
.hx-cover-copy{padding-bottom:clamp(40px,9vh,96px);padding-top:120px}
.hx-cover h1{font-family:var(--serif);font-weight:400;line-height:.9;margin:14px 0 20px;display:flex;align-items:center;gap:clamp(12px,2.5vw,28px);font-size:clamp(64px,15vw,200px);direction:ltr;justify-content:flex-start}
[dir="rtl"] .hx-cover h1{justify-content:flex-end}
.hx-yr.red{color:var(--red)}
.hx-arrow{flex:0 0 clamp(40px,10vw,160px);height:2px;background:linear-gradient(90deg,var(--hx-ink2),var(--red));position:relative}
.hx-arrow::after{content:"";position:absolute;right:-1px;top:-5px;border:6px solid transparent;border-left:9px solid var(--red);border-right:0}
.hx-lede{max-width:620px;font-size:clamp(18px,2.2vw,22px);line-height:1.6;color:var(--hx-ink)}
.hx-down{display:inline-flex;gap:8px;margin-top:22px;color:var(--hx-ink2);font-size:15px;border-bottom:1px solid var(--hx-line);padding-bottom:4px}
.hx-down span{animation:hxbob 2s ease-in-out infinite}
@keyframes hxbob{50%{transform:translateY(4px)}}

/* ---------- scrolly ---------- */
.hx-scrolly{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);max-width:1280px;margin:0 auto;padding:0 24px}
.hx-steps{grid-column:1;grid-row:1;padding:20vh 0 30vh;position:relative;z-index:2}
.hx-stage{grid-column:2;grid-row:1;position:sticky;top:68px;height:calc(100svh - 68px);display:flex;align-items:center;justify-content:center}
.hx-stage-in{position:relative;width:min(100%,600px,calc((100svh - 120px)/1.12));aspect-ratio:1/1.12;display:flex;flex-direction:column}
.hx-year{position:absolute;inset:0 0 auto;text-align:center;font-family:var(--serif);font-size:clamp(120px,17vw,250px);line-height:1;color:rgba(255,255,255,.055);pointer-events:none;letter-spacing:-.02em;direction:ltr;font-variant-numeric:tabular-nums}
#hxSvg{position:relative;width:100%;height:0;flex:1 1 0;min-height:0;overflow:visible}
#hxSvg>g{transition:opacity .6s ease}
.hx-read{min-height:56px;text-align:center;font-size:17px;color:var(--hx-ink2);line-height:1.4}
.hx-read b{font-family:var(--serif);font-weight:400;font-size:clamp(34px,4vw,48px);color:var(--hx-ink);display:block;line-height:1.05;direction:ltr}
.hx-read b em{font-style:normal;color:var(--red)}
.hx-read small{font-size:14px;color:var(--hx-ink2)}

/* steps */
.hx-step{min-height:88vh;display:flex;flex-direction:column;justify-content:center;max-width:470px;opacity:.28;transition:opacity .5s ease}
.hx-step.on{opacity:1}
.hx-step h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3.4vw,40px);line-height:1.2;margin:8px 0 16px}
.hx-step p{font-size:18px;line-height:1.75;color:var(--hx-ink)}
.hx-ch{color:var(--red);font-size:15px;font-weight:600}
.hx-big h2{font-size:clamp(44px,6vw,76px)}
.hx-date{display:block;line-height:1.05}
.hx-more{display:inline-block;margin-top:16px;color:var(--hx-ink);border-bottom:1px solid var(--red);padding-bottom:2px;font-size:16px;align-self:flex-start}
.hx-acts{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:18px}
.hx-acts .hx-more{margin-top:0}
.hx-srcs{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hx-src{font-family:var(--sans);font-size:13px;color:var(--hx-ink2);border:1px solid var(--hx-line);border-radius:999px;padding:3px 10px;cursor:pointer}
.hx-src:hover,.hx-src:focus-visible{color:var(--hx-ink);border-color:var(--hx-ink2)}
.hx-src::before{content:"✓ ";color:#7FB38F}
.hx-src[data-status="party"]::before{content:"◐ ";color:var(--hx-ink2)}
.hx-src[data-status="pending"]::before{content:"● ";color:#C9A227}
.hx-faces{display:flex;gap:18px;margin-top:20px}
.hx-faces figure{margin:0;width:96px;text-align:center}
.hx-faces img{width:84px;height:84px;border-radius:50%;object-fit:cover;filter:grayscale(1) contrast(1.1);display:flex;align-items:center;justify-content:center;margin:0 auto;border:1px solid var(--hx-line)}
.hx-faces figcaption{font-size:13.5px;color:var(--hx-ink2);margin-top:8px;line-height:1.3}
.hx-portrait{margin:0 0 18px;width:120px;height:120px;border-radius:50%;overflow:hidden;border:2px solid var(--red)}
.hx-portrait img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.08)}
.hx-photo{margin:4px 0 18px;position:relative}
.hx-photo img{width:100%;height:auto;display:block;filter:grayscale(1) contrast(1.1);border-radius:4px}
.hx-photo figcaption{font-size:13px;color:var(--hx-ink2);margin-top:8px}

/* lineage */
.ln-stream{fill:none;stroke:var(--hx-dot);stroke-width:2;stroke-linecap:round;transition:stroke .6s,stroke-dashoffset 1.2s ease}
.ln-stream.lit{stroke:#8E9A94}
.ln-stream.sp{stroke:var(--red);stroke-width:4}
.ln-node{fill:var(--hx-bg);stroke:#8E9A94;stroke-width:2;transition:opacity .6s}
.ln-lbl{fill:var(--hx-ink);font-size:17px;font-family:var(--sans);transition:opacity .6s}
.ln-yr{fill:var(--hx-ink2);font-family:var(--mono);font-size:13px;transition:opacity .6s}
.ln-ppl{fill:var(--hx-ink2);font-family:var(--sans);font-size:14px}
.ln-off{opacity:0}

/* house */
.hs-seat{transition:transform .9s cubic-bezier(.3,.7,.2,1),fill .5s ease,opacity .5s;fill:var(--hx-dot)}
.hs-seat.sp{fill:var(--red)}
.hs-mid{fill:var(--hx-ink2);font-family:var(--sans);font-size:14px}
.hs-line{stroke:rgba(255,255,255,.35);stroke-dasharray:3 4}

/* bar strip: all assembly results, current one highlighted */
.hx-bars{display:flex;align-items:flex-end;gap:6px;height:84px;margin-top:10px;opacity:0;transition:opacity .5s;direction:ltr}
.hx-bars.on{opacity:1}
.hx-bars button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;background:none;border:0;padding:0;cursor:pointer;color:var(--hx-ink2);font:500 11.5px var(--mono)}
.hx-bars i{display:block;width:100%;max-width:38px;background:var(--hx-dot);border-radius:4px 4px 0 0;transition:background .4s}
.hx-bars button.cur i{background:var(--red)}
.hx-bars button.cur{color:var(--hx-ink)}
.hx-bars span{margin-top:5px}

/* map */
.mp-seat{stroke:var(--hx-bg);stroke-width:.8;fill:var(--hx-dot);transition:fill .6s ease}
.mp-seat.sp{fill:var(--red)}

/* ---------- archive ---------- */
.hx-archive{padding:110px 0 60px;border-top:1px solid var(--hx-line)}
.hx-archive h2,.hx-sources h2{font-family:var(--serif);font-weight:400;font-size:clamp(34px,4.4vw,54px);margin:8px 0 10px}
.hx-sub{color:var(--hx-ink2);font-size:17px;max-width:620px}
.hx-confs{--pad:max(24px,calc((100vw - 1232px)/2));list-style:none;display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:var(--pad);padding:34px var(--pad) 24px;margin:0;scrollbar-width:thin}
.hx-confs li{flex:0 0 min(78vw,380px);scroll-snap-align:start}
.hx-confs figure{margin:0}
.hx-confs .ph{aspect-ratio:4/3;background:var(--hx-bg2);border-radius:4px;overflow:hidden;position:relative}
.hx-confs img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.1) brightness(.9);transition:filter .5s,transform .8s}
.hx-confs li:hover img{filter:grayscale(.15) contrast(1.05);transform:scale(1.03)}
.hx-confs .no{position:absolute;left:14px;top:10px;font-family:var(--serif);font-size:56px;color:#fff;line-height:1;text-shadow:0 2px 12px rgba(0,0,0,.6)}
.hx-confs .noph{display:flex;align-items:center;justify-content:center;color:var(--hx-ink2);font-size:14px}
.hx-confs figcaption{margin-top:12px}
.hx-confs figcaption b{display:block;font-weight:500;font-size:17px}
.hx-confs figcaption span{color:var(--hx-ink2);font-size:15px}

.hx-sources{padding:70px 0 110px}
.hx-sources p{color:var(--hx-ink2);font-size:17px;line-height:1.7;max-width:720px}

/* source popover */
.hx-pop{position:fixed;z-index:60;max-width:340px;background:#fff;color:var(--ink);border-radius:10px;padding:12px 14px;font-size:14.5px;line-height:1.5;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.hx-pop a{color:var(--red-deep);text-decoration:underline;word-break:break-all}
.hx-pop .st{font-family:var(--mono);font-size:11.5px;color:var(--ink-2);display:block;margin-bottom:4px}

/* ---------- phones: graphic pinned on top, text cards scroll over it ---------- */
@media (max-width:900px){
  .hx-scrolly{display:block;padding:0 16px}
  .hx-stage{position:sticky;top:68px;height:auto;padding:4px 0 10px;z-index:3;background:var(--hx-bg);box-shadow:0 18px 18px -6px var(--hx-bg)}
  .hx-stage-in{width:min(100%,420px);margin:0 auto;aspect-ratio:auto;height:44svh}
  .hx-year{font-size:96px;inset:0 0 auto}
  .ln-lbl{font-size:25px}.ln-yr{font-size:19px}.ln-ppl{font-size:19px}.hs-mid{font-size:20px}
  .hx-read{min-height:44px;font-size:14.5px}
  .hx-read b{font-size:30px}
  .hx-bars{height:46px;margin-top:4px}
  .hx-steps{padding:4vh 0 20vh}
  .hx-step{min-height:auto;margin:0 auto 34svh;max-width:none;opacity:1;background:rgba(18,25,22,.94);border:1px solid var(--hx-line);border-radius:14px;padding:20px 18px;backdrop-filter:blur(6px)}
  .hx-step p{font-size:16.5px}
  .hx-step h2{font-size:26px}
  .hx-big h2{font-size:40px}
  .hx-archive{padding-top:70px}
  .hx-confs{--pad:16px;padding:24px var(--pad)}
}
@media (prefers-reduced-motion:reduce){
  .hs-seat,.ln-stream,.mp-seat,#hxSvg>g,.hx-step{transition:none}
  .hx-down span{animation:none}
}