@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/newsreader-latin.woff2) format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/newsreader-latin-ext.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin.woff2) format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin-ext.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Plex";font-style:normal;font-weight:400 600;font-display:swap;src:url(fonts/IBMPlexSans-latin.woff2) format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Plex";font-style:normal;font-weight:400 600;font-display:swap;src:url(fonts/IBMPlexSans-latin-ext.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* page: warm paper by day, night blue by night. The drawing has its own sky in each theme. */
:root{
  --bg:#f5efe5;--surface:#fbf8f2;--ink:#1b1a22;--muted:#45434f;--line:rgba(27,26,34,.16);--line-soft:rgba(27,26,34,.09);
  --accent:#7a4a06;--focus:#7a4a06;--chip:#ece3d4;
  --stage-ink:#1d2430;--stage-muted:#3c4552;--halo:rgba(246,238,226,.92);
  --sky-top:#c9dbe9;--sky-bot:#f4e6d1;--sea:#7aa2c0;--earth:#a2896c;--hill:#2f4339;--ridge:#24342c;
  --stone:#b0905f;--stone-far:#c4a77c;--stone-near:#9b7b4b;--ghost:rgba(70,60,45,.55);--gold:#9a6500;--level:#9a6500;--press:rgba(154,101,0,.16);
  --bar:#1d2430;--bar-ink:#f4ede1;--bar-muted:#c9c4ba;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;--sans:"Plex",system-ui,-apple-system,"Segoe UI",sans-serif;
  --top:44px;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f111a;--surface:#161926;--ink:#efe8dc;--muted:#c3bfb6;--line:rgba(239,232,220,.17);--line-soft:rgba(239,232,220,.09);
  --accent:#f3c46b;--focus:#f3c46b;--chip:#1e2232;
  --stage-ink:#f4ede1;--stage-muted:#cfc8bc;--halo:rgba(12,14,24,.85);
  --sky-top:#0b1020;--sky-bot:#3b2a3c;--sea:#16304a;--earth:#4d3d31;--hill:#1d3a31;--ridge:#7d9a8c;
  --stone:#e7d6b8;--stone-far:#cbb795;--stone-near:#f3e6cd;--ghost:rgba(231,214,184,.5);--gold:#f6c25a;--level:#f6c25a;--press:rgba(246,194,90,.16);
  --bar:#0b1020;--bar-ink:#f4ede1;--bar-muted:#b9b4ab;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f111a;--surface:#161926;--ink:#efe8dc;--muted:#c3bfb6;--line:rgba(239,232,220,.17);--line-soft:rgba(239,232,220,.09);
  --accent:#f3c46b;--focus:#f3c46b;--chip:#1e2232;
  --stage-ink:#f4ede1;--stage-muted:#cfc8bc;--halo:rgba(12,14,24,.85);
  --sky-top:#0b1020;--sky-bot:#3b2a3c;--sea:#16304a;--earth:#4d3d31;--hill:#1d3a31;--ridge:#7d9a8c;
  --stone:#e7d6b8;--stone-far:#cbb795;--stone-near:#f3e6cd;--ghost:rgba(231,214,184,.5);--gold:#f6c25a;--level:#f6c25a;--press:rgba(246,194,90,.16);
  --bar:#0b1020;--bar-ink:#f4ede1;--bar-muted:#b9b4ab;color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
svg[hidden]{display:none}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--top) + 12px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.125rem/1.62 var(--serif);font-optical-sizing:auto}
a{color:var(--accent);text-underline-offset:.18em}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:50;background:var(--surface);color:var(--ink);padding:.5rem .8rem}
.skip-link:focus{left:.5rem;top:.5rem}
.num{font-variant-numeric:tabular-nums}
strong{font-weight:650}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* top bar: slim, in the colour of the night sky */
.topbar{position:sticky;top:0;z-index:30;height:var(--top);display:flex;align-items:center;gap:.6rem;padding:0 max(12px,env(safe-area-inset-left));
  background:var(--bar);color:var(--bar-ink);font:500 .82rem/1 var(--sans)}
.brand{display:flex;align-items:center;gap:.45rem;color:inherit;text-decoration:none;font-weight:600;white-space:nowrap}
.brand-mark{width:22px;height:22px}
.topnav{display:flex;gap:1rem;margin-left:1rem}
.topnav a{color:var(--bar-muted);text-decoration:none}
.topnav a:hover,.topnav a[aria-current="true"]{color:var(--bar-ink)}
.spacer{flex:1}
.chips{display:flex;gap:.2rem}
.chip{display:inline-flex;align-items:center;justify-content:center;min-width:34px;min-height:34px;padding:0 .35rem;border-radius:6px;color:var(--bar-muted);text-decoration:none;font-size:.74rem;letter-spacing:.04em}
.chip[aria-current="page"]{color:var(--bar-ink);box-shadow:inset 0 -2px 0 var(--bar-ink)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;background:none;color:var(--bar-ink);border-radius:8px;cursor:pointer}
.icon-btn .i-moon{display:none}
:root[data-theme="dark"] .icon-btn .i-sun{display:none}:root[data-theme="dark"] .icon-btn .i-moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .icon-btn .i-sun{display:none}:root:not([data-theme="light"]) .icon-btn .i-moon{display:block}}
@media (max-width:860px){.topnav{display:none}.brand span{display:none}}
.progress{position:fixed;left:0;right:0;top:var(--top);height:2px;z-index:31;pointer-events:none}
.progress i{display:block;height:100%;width:100%;background:var(--gold);transform-origin:0 50%;transform:scaleX(0)}

/* the stage: a sky, the hill, the basilica */
.stage{position:sticky;top:var(--top);z-index:5;overflow:hidden;background:linear-gradient(to bottom,var(--sky-top),var(--sky-bot))}
.stage .still,.stage .scene{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage .still{object-fit:cover}
.stage.live .still{display:none}
.stage .scene{opacity:0;transition:opacity .4s}
.stage.live .scene{opacity:1}
.scene .sea{fill:var(--sea)}
.scene .groundplate{fill:var(--earth)}
.scene .hill{fill:var(--hill)}
.scene .hill.front{opacity:0;transition:opacity .5s}
.scene .ridge{fill:none;stroke:var(--ridge);stroke-width:1.4;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.scene .level{stroke:var(--level);stroke-width:1.5;stroke-dasharray:6 5;vector-effect:non-scaling-stroke}
.scene .press{fill:var(--press);transition:opacity .4s}
.scene .mast{stroke:var(--stage-muted);stroke-width:1.2;vector-effect:non-scaling-stroke}
.scene .body{fill:var(--stone-near);opacity:0;transition:opacity .5s}
.scene .body.on{opacity:1}
.scene .body.rising{opacity:1;fill:none;stroke:var(--ghost);stroke-width:1;stroke-dasharray:3 3;vector-effect:non-scaling-stroke}
.scene .part{opacity:0;transition:opacity .45s}
.scene .part.on{opacity:1}
.scene .part .shape{fill:var(--stone)}
.scene .part.far .shape{fill:var(--stone-far)}
.scene .part.near .shape{fill:var(--stone-near)}
.scene .part .crown{fill:var(--stone)}
.scene .part .cross{fill:var(--gold)}
.scene .part .ghost{fill:none;stroke:none}
.scene .part.rising .ghost{stroke:var(--ghost);stroke-width:1;stroke-dasharray:3 3;vector-effect:non-scaling-stroke}
.scene .part.planned{opacity:1}
.scene .part.planned .ghost{stroke:var(--ghost);stroke-width:1;stroke-dasharray:2 4;vector-effect:non-scaling-stroke;opacity:.75}
.scene .lab{font:500 12.5px/1 var(--sans);fill:var(--stage-ink);paint-order:stroke;stroke:var(--halo);stroke-width:3.5px;stroke-linejoin:round;transition:opacity .35s}
.scene .lab-top,.scene .lab-over{font-weight:600;fill:var(--gold)}
.scene .lab-hill,.scene .lab-cross{fill:var(--gold);font-weight:600}
.scene .overbar{stroke:var(--gold);stroke-width:2;transition:opacity .35s}
.stage-year{position:absolute;left:12px;top:10px;margin:0;max-width:min(320px,70%);padding:.4rem .6rem;border-radius:8px;background:var(--halo);color:var(--stage-ink);font:600 clamp(1.5rem,3vw,2.3rem)/1 var(--sans);letter-spacing:-.01em}
.stage-year small{display:block;font:500 .8rem/1.35 var(--sans);letter-spacing:0;color:var(--stage-muted);margin-top:.3rem}
@media (max-width:899px){.stage-year{font-size:1.15rem;max-width:62%;padding:.3rem .45rem}.stage-year small{font-size:.7rem}.scene .lab{font-size:11.5px}}
.stage-scale{position:absolute;right:10px;bottom:8px;margin:0;padding:.2rem .45rem;border-radius:6px;background:var(--halo);color:var(--stage-muted);font:500 .72rem/1.2 var(--sans)}

/* story layout: on wide screens text on the left, the drawing sticky on the right; on phones the drawing on top */
.story{position:relative}
.steps{list-style:none;margin:0;padding:0 16px}
.step{min-height:78svh;display:flex;align-items:center;padding:28px 0}
.step-card,.hero-card{max-width:560px;width:100%;margin:0 auto}
.step-card{background:var(--bg);padding:6px 0}
.hero{min-height:calc(100svh - var(--top));align-items:flex-start;padding-top:28px}
@media (min-width:900px){
  .story{display:grid;grid-template-columns:minmax(380px,46%) 1fr}
  .stage{grid-column:2;grid-row:1;height:calc(100svh - var(--top))}
  .steps{grid-column:1;grid-row:1;padding:0 clamp(18px,3vw,48px)}
  .step{min-height:92svh}
  .hero{padding-top:12vh}
}
@media (max-width:899px){
  .stage{height:42svh}
  .step{min-height:calc(100svh - var(--top) - 42svh + 40px);align-items:flex-start;padding:22px 0 14vh}
  .hero{min-height:calc(100svh - var(--top) - 42svh);padding-top:18px}
}
@media (max-width:899px) and (max-height:620px){.stage{height:38svh}}
.kicker{font:600 .78rem/1.3 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 .5rem}
h1{font:600 clamp(2rem,4.6vw,3.3rem)/1.06 var(--serif);letter-spacing:-.015em;margin:0 0 .8rem;font-variation-settings:"opsz" 72}
.deck{font-size:clamp(1.12rem,2vw,1.3rem);line-height:1.5;margin:0 0 1rem}
.scroll-cue{font:500 .86rem/1.4 var(--sans);color:var(--muted)}
.scroll-cue::before{content:"↓ "}
h2{font:600 clamp(1.45rem,2.6vw,1.9rem)/1.15 var(--serif);margin:0 0 .7rem;letter-spacing:-.01em;font-variation-settings:"opsz" 48}
.step p,.prose p,.explore-head p{margin:0 0 1rem}
.anchor{margin-left:.35em;color:var(--muted);text-decoration:none;opacity:0;font:500 .8em var(--sans)}
h2:hover .anchor,.anchor:focus-visible{opacity:1}

/* the family years */
.explore{padding:64px 16px 28px;border-top:1px solid var(--line)}
.explore-head{max-width:680px;margin:0 auto}
.fam-form{max-width:680px;margin:16px auto 0;display:flex;flex-direction:column;gap:.5rem}
.fam-cols{display:flex;gap:.5rem;font:500 .8rem/1.2 var(--sans);color:var(--muted)}
.fam-cols span:first-child{flex:0 0 7.5rem}
.fam-in{display:flex;gap:.5rem;align-items:center}
.fam-in label{flex:0 0 7.5rem}
.fam-in input{font:500 1rem/1 var(--sans);min-height:44px;padding:0 .7rem;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);width:100%}
.fam-in input[data-fam-name]{flex:1;min-width:0}
.fam-in input[aria-invalid="true"]{border-color:#c0392b}
.fam-form .btn{align-self:flex-start}
.fam-msg{font:500 .84rem var(--sans);color:var(--muted);min-height:1.2em;margin:0}
.fam-cards{max-width:1100px;margin:18px auto 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:12px}
.fam-card{margin:0;border-radius:12px;overflow:hidden;background:var(--surface);border:1px solid var(--line-soft)}
.fam-card .mini,.fam-card img{display:block;width:100%;height:230px;background:linear-gradient(to bottom,var(--sky-top),var(--sky-bot));object-fit:cover}
.fam-card figcaption{padding:.6rem .75rem .75rem;font:400 .9rem/1.4 var(--sans);color:var(--ink)}
.fam-card figcaption b{display:block;font:600 1.15rem/1.2 var(--serif);margin-bottom:.15rem}
.explore .share{max-width:1100px;margin:14px auto 0}
.scrub-svg{display:block;width:100%;max-width:1100px;height:min(56vh,520px);margin:34px auto 0;border-radius:12px;background:linear-gradient(to bottom,var(--sky-top),var(--sky-bot))}
.scrub{max-width:1100px;margin:12px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;font:500 .9rem/1.3 var(--sans)}
.scrub input[type=range]{flex:1 1 260px;min-width:180px;accent-color:var(--gold);height:44px}
.ylab b{font-size:1.25rem;margin-left:.3rem}
.scrub-line{max-width:1100px;margin:.4rem auto 0;font:400 .95rem/1.45 var(--sans);color:var(--muted);min-height:2.9em}

.btn{font:500 .9rem/1 var(--sans);min-height:44px;padding:0 1rem;border-radius:22px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* after the story */
.after{border-top:1px solid var(--line);margin-top:24px}
.prose{max-width:680px;margin:0 auto;padding:36px 16px 24px}
.block{margin:0 0 2.4rem}
.sources{padding-left:1.1rem;font:400 .9rem/1.45 var(--sans)}
.sources li{margin:0 0 .55rem}
.share{margin:1.6rem 0 0}
.share-row{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.share-label{font:500 .84rem var(--sans);color:var(--muted);margin-right:.2rem}
.ic{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font:500 1.1rem/1 var(--sans)}
.ic:hover,.ic:focus-visible{color:var(--accent);border-color:var(--accent)}
.share-msg{font:500 .82rem var(--sans);color:var(--muted);min-height:1em;margin:.3rem 0 0}
.site-footer{max-width:680px;margin:0 auto;padding:18px 16px 60px;display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;font:400 .84rem var(--sans);color:var(--muted)}

/* reading rail: hairline dots at the far right, only where a gutter exists */
.rail{position:fixed;right:10px;top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:2px;opacity:0;transition:opacity .4s;pointer-events:none}
.rail.on{opacity:1;pointer-events:auto}
.rail-dot{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;height:22px;color:var(--stage-ink);text-decoration:none;font:500 .74rem var(--sans)}
.rail-dot .dot{width:6px;height:6px;border-radius:50%;background:var(--stage-muted);opacity:.6}
.rail-dot[aria-current="true"] .dot{background:var(--gold);opacity:1;transform:scale(1.4)}
.rail-label{opacity:0;transition:opacity .2s;background:var(--halo);padding:.1rem .35rem;border-radius:4px}
.rail-dot:hover .rail-label,.rail-dot:focus-visible .rail-label{opacity:1}
@media (max-width:1280px){.rail{display:none}}
@media print{.rail,.topbar,.progress,.stage,.scrub,.scrub-svg,.fam-form{display:none}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}