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@font-face{font-family:Research Serif;src:url('/assets/serif-semibold.ttf') format('truetype');font-weight:600;font-display:block}
:root{--bg:#f8fafc;--panel:#edf2f8;--ink:#182438;--muted:#45566d;--accent:#174ea6;--line:#c2cedc;color-scheme:light dark;font-size:18px;background:var(--bg);color:var(--ink)}
*{box-sizing:border-box}body{margin:0;font-family:Research Serif,Georgia,serif;line-height:1.65}a{color:var(--accent);text-decoration-thickness:.065em;text-underline-offset:.18em}a:hover{text-decoration-thickness:.12em}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}::selection{background:var(--accent);color:#fff}html{scrollbar-color:var(--muted) var(--bg)}
header,main,footer{width:min(1120px,calc(100% - 80px));margin-inline:auto}header{display:grid;grid-template-columns:1fr auto;gap:1.3rem;padding-block:1.7rem;border-bottom:1px solid var(--line);font-family:system-ui,sans-serif;font-size:.88rem}.brand{font-weight:700;text-decoration:none;color:var(--ink)}.brand span{display:inline-block;margin-left:1.1rem;font-weight:400;color:var(--muted)}.language{align-self:start}header nav{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:.5rem 1.7rem}header nav a{color:var(--muted);text-decoration:none;padding:.15rem 0}header nav a[aria-current]{color:var(--accent);text-decoration:underline;font-weight:650}
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dl{display:grid;grid-template-columns:minmax(9rem,1fr) 2fr;gap:.65rem 1rem;font-variant-numeric:tabular-nums}dt{font-weight:600}dd{margin:0}ul{padding-left:1.25rem}li{margin-bottom:.65rem}.files li{overflow-wrap:anywhere}.files span{display:block;font-size:.88rem;color:var(--muted)}figure{margin:1.7rem 0;background:var(--panel);padding:1rem}svg{display:block;width:100%;height:auto;fill:var(--accent);font-family:system-ui,sans-serif}svg text{fill:var(--ink);font-size:17px}.svgmath{font-size:36px}svg .axis{stroke:var(--muted);stroke-width:1.5}svg .error{stroke:var(--accent);stroke-width:3}figcaption{margin-top:.6rem;line-height:1.5}table{width:100%;border-collapse:collapse;font-size:.83rem;font-family:system-ui,sans-serif;line-height:1.55}caption{text-align:left;margin:.8rem 0;color:var(--muted)}th,td{text-align:left;vertical-align:top;padding:1rem .7rem;border-bottom:1px solid var(--line)}th{background:var(--panel);font-weight:650}td{font-variant-numeric:tabular-nums}.calendar{width:calc(min(1120px,100vw - 80px));margin-top:1rem}.calendar td:first-child{width:36%}.calendar td:nth-child(2){width:30%}.calendar td:nth-child(3){width:21%}
summary{cursor:pointer;font-family:system-ui,sans-serif;padding:.6rem 0;font-size:.86rem}details{border-block:1px solid var(--line);margin:1rem 0}pre{font-size:.75rem;line-height:1.6;overflow-x:auto;padding:1rem;background:var(--panel);white-space:pre-wrap;overflow-wrap:anywhere}.citation{font-size:.95rem}footer{margin-top:4rem;padding-block:2rem;border-top:1px solid var(--line);font-family:system-ui,sans-serif;font-size:.78rem;color:var(--muted)}.skip{position:absolute;left:1rem;top:-10rem;background:var(--bg);padding:.8rem;z-index:2}.skip:focus{top:1rem}
@media(max-width:650px){:root{font-size:17px}header,main,footer{width:calc(100% - 36px)}header{padding-block:1.1rem;gap:.8rem}.brand span{display:block;margin-left:0;font-size:.75rem}header nav{gap:.45rem 1rem;font-size:.82rem}main{padding-top:2rem}h1{font-size:2.5rem}h2{font-size:1.5rem}section{margin-top:2.5rem}.doors a{grid-template-columns:1fr;gap:.25rem}dl{grid-template-columns:1fr;gap:.2rem}dd{margin-bottom:.7rem}.equation{padding:.8rem}.calendar{width:100%}.calendar thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.calendar tr{display:block;padding:.5rem 0;border-top:1px solid var(--line)}.calendar td{display:block!important;width:100%!important;border:none;padding:.55rem 0}.calendar td::before{content:attr(data-label);display:block;color:var(--muted);font-size:.74rem;font-weight:650;margin-bottom:.3rem}figure{padding:.5rem}svg text{font-size:20px}.source{font-size:.72rem}}
@media(prefers-color-scheme:dark){:root{--bg:#121b29;--panel:#1d2b40;--ink:#e4ebf5;--muted:#b6c4d8;--accent:#9dc4ff;--line:#4b607b}.doors a:hover{background:var(--panel)}::selection{color:#121b29}}
@media(prefers-reduced-motion:no-preference){a{transition:background-color .15s ease-out}}
/* Revision 2: For-everyone pages only (body.lay): warm hue palette, planet section markers, tinted figure fields, three panels, hand-made illustrations */
.lay{--violet:#6d4fd0;--violet-w:#efeafc;--sun:#b07800;--sun-w:#fdf3dc;--sun-bright:#f5b83d;--coral:#d9533a;--coral-w:#fde9e3;--coral-ink:#b8391f;--teal:#13897a;--teal-w:#dff3ef;--rose:#c93b74;--rose-w:#fce6ee;--green:#3f8a33;--green-w:#e6f3e1;--blue:#2a63c4;--blue-w:#e5edfb;--dot:#6f7f96;--paper:#fff;--stem:#7a5230}
.lay .hue-violet{--hue:var(--violet);--wash:var(--violet-w)}.lay .hue-sun{--hue:var(--sun);--wash:var(--sun-w)}.lay .hue-coral{--hue:var(--coral);--wash:var(--coral-w)}.lay .hue-teal{--hue:var(--teal);--wash:var(--teal-w)}.lay .hue-rose{--hue:var(--rose);--wash:var(--rose-w)}.lay .hue-green{--hue:var(--green);--wash:var(--green-w)}.lay .hue-blue{--hue:var(--blue);--wash:var(--blue-w)}
.lay-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,340px);gap:1rem 3.5rem;align-items:center}.lay h1{max-width:16ch}.lay .doi{margin-bottom:1rem}.hero-art{max-width:340px;margin:0 auto 1rem;fill:none}.lay .reading{margin-top:2.6rem}
.lay h2{position:relative;padding-left:1.1em}.lay h2::before{content:"";position:absolute;left:0;top:.33em;width:.68em;height:.68em;border-radius:50%;background:radial-gradient(circle at 34% 32%,var(--wash) 0 17%,transparent 18%),var(--hue)}
.lay figure{background:var(--wash);border-radius:16px;padding:1.2rem 1.3rem}.lay figure svg{fill:var(--hue)}.lay figcaption{color:var(--ink);font-size:.8rem}.lay svg .error{stroke:var(--hue)}
.lay .panel{background:var(--wash);border-radius:22px;padding:1.7rem 1.9rem 1.4rem;margin-inline:-1.9rem}.lay .panel figure{background:var(--paper)}.lay .panel+section{margin-top:3.6rem}
.lay .f-violet{fill:var(--violet)}.lay .f-sun{fill:var(--sun)}.lay .f-sunbright{fill:var(--sun-bright);stroke:var(--sun);stroke-width:2.5}.lay .f-sunlight{fill:var(--sun-w);opacity:.75}.lay .f-coral{fill:var(--coral)}.lay .f-coral-ink{fill:var(--coral-ink)}.lay .f-teal{fill:var(--teal)}.lay .f-rose{fill:var(--rose)}.lay .f-green{fill:var(--green)}.lay .f-blue{fill:var(--blue)}.lay .f-paper{fill:var(--paper)}.lay .f-dot{fill:var(--dot)}
.lay svg .s-violet{stroke:var(--violet)}.lay svg .s-teal{stroke:var(--teal)}.lay svg .s-rose{stroke:var(--rose)}.lay svg .s-coral{stroke:var(--coral)}.lay svg .s-sun{stroke:var(--sun-bright)}.lay svg .s-blue{stroke:var(--blue)}.lay svg .s-green{stroke:var(--green)}.lay svg .s-ink{stroke:var(--ink);stroke-width:2.5;stroke-linecap:round}.lay svg .s-line{stroke:var(--line);stroke-width:2}
.lay svg :is(.arc,.wave,.rays,.chords,.line,.eq,.stem,.fall,.push,.pull,.orbit,.tickmark,.handle,.hitring){fill:none;stroke-linecap:round;stroke-linejoin:round}.lay svg .arc{stroke-width:4.5}.lay svg :is(.wave,.rays){stroke:var(--sun);stroke-width:4}.lay svg .chords{stroke:var(--green);stroke-opacity:.6;stroke-width:2}.lay svg .line{stroke-width:7}.lay svg .eq{stroke-width:6}.lay svg .tickmark{stroke:var(--paper);stroke-width:4}.lay svg .lens{fill:var(--paper);fill-opacity:.4;stroke:var(--blue);stroke-width:8}.lay svg .handle{stroke:var(--blue);stroke-width:12}.lay svg .stem{stroke:var(--stem);stroke-width:3}.lay svg .fall{stroke:var(--coral);stroke-width:3;opacity:.6}.lay svg .push{stroke:var(--teal);stroke-width:3}.lay svg .pull{stroke:var(--violet);stroke-width:2.5;stroke-dasharray:1 7}.lay svg .orbit{stroke:var(--muted);stroke-opacity:.55;stroke-width:1.5;stroke-dasharray:1 8}.lay svg .hitring{stroke:var(--coral-ink);stroke-width:2}
.lay svg .lbl{font-size:24px;fill:var(--ink)}.lay svg .lbl-big{font-size:34px;font-weight:650;fill:var(--ink)}
@media(max-width:650px){.lay-hero{grid-template-columns:1fr}.hero-art{max-width:240px;margin:.5rem auto 0}.lay .reading{margin-top:2rem}.lay figure{padding:.6rem;border-radius:12px}.lay .panel{margin-inline:0;padding:1.3rem 1.05rem 1rem;border-radius:16px}.lay svg text{font-size:24px}.lay svg .svgmath{font-size:36px}.lay svg .lbl{font-size:28px}.lay svg .lbl-big{font-size:38px}}
@media(prefers-color-scheme:dark){.lay{--violet:#ad97ff;--violet-w:#2a2546;--sun:#f2c14e;--sun-w:#352f1d;--sun-bright:#f2c14e;--coral:#ff8f74;--coral-w:#3b2523;--coral-ink:#ff8f74;--teal:#4fcfbd;--teal-w:#163330;--rose:#ff7fae;--rose-w:#3a2131;--green:#86d074;--green-w:#1f3420;--blue:#8fb8ff;--blue-w:#1d2b45;--dot:#7f90a8;--paper:#16202f;--stem:#d1a77a}.lay .f-sunlight{fill:#fff3c4;opacity:.45}}
@media(prefers-reduced-motion:no-preference){.lay .orbiter{transform-box:view-box;transform-origin:160px 160px;animation:orbit 90s linear infinite}@keyframes orbit{to{transform:rotate(360deg)}}}
@media print{header,.doors{display:none}main,footer{width:100%;color:#000;background:#fff}a{color:#000}.calendar{width:100%}}