/* =========================================================================
   garynewport.com — "Plate & Field"
   Light theme is a photographic plate (a negative). Dark theme is the sky.
   Hand-written; no framework, no build step required for this file.
   ========================================================================= */

/* ---------- 1. Tokens ---------------------------------------------------- */

:root{
  --plate:#E9EBE6;
  --plate-sunk:#DEE1DA;
  --plate-raised:#F3F5F0;
  --rule:#C3C8BE;
  --rule-soft:#D6DAD1;
  --ink:#13161C;
  --ink-soft:#454C57;
  --halpha:#A81F2B;
  --oiii:#0E6F63;
  --violet:#453BA0;
  --field-bg:#DFE2DB;
  --shadow:0 1px 0 #FFFFFF inset, 0 2px 10px rgba(19,22,28,.07);
  --maxw:1180px;
  --measure:64ch;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --plate:#0A0E18;
    --plate-sunk:#070A12;
    --plate-raised:#131A2A;
    --rule:#2B3346;
    --rule-soft:#1E2536;
    --ink:#E7EBF4;
    --ink-soft:#9EAAC6;
    --halpha:#FF6E76;
    --oiii:#35D3BC;
    --violet:#AC9FFF;
    --field-bg:#0D1424;
    --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 2px 14px rgba(0,0,0,.5);
  }
}

:root[data-theme="dark"]{
  --plate:#0A0E18;
  --plate-sunk:#070A12;
  --plate-raised:#131A2A;
  --rule:#2B3346;
  --rule-soft:#1E2536;
  --ink:#E7EBF4;
  --ink-soft:#9EAAC6;
  --halpha:#FF6E76;
  --oiii:#35D3BC;
  --violet:#AC9FFF;
  --field-bg:#0D1424;
  --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 2px 14px rgba(0,0,0,.5);
}

/* Band colours are referenced by name from markup and script. */
.band-astro{--band:var(--halpha)}
.band-comp{--band:var(--oiii)}
.band-space{--band:var(--violet)}

/* ---------- 2. Base ------------------------------------------------------ */

*{box-sizing:border-box}
html{background:var(--plate);scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }

body{
  margin:0;
  background:var(--plate);
  color:var(--ink);
  font-family:"Archivo","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3{font-family:"Bodoni Moda","Didot",Georgia,serif;font-weight:600;text-wrap:balance;margin:0}
p{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.wrap-narrow{max-width:840px;margin:0 auto;padding:0 clamp(18px,4vw,40px)}

.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);
}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}

:focus-visible{outline:2px solid var(--halpha);outline-offset:3px;border-radius:2px}

.skip{
  position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--plate);
  padding:10px 16px;z-index:99;font-family:"IBM Plex Mono",monospace;font-size:.8rem;
}
.skip:focus{left:8px;top:8px}

/* ---------- 3. Masthead -------------------------------------------------- */

.masthead{
  position:sticky;top:0;z-index:40;
  background:color-mix(in srgb, var(--plate) 90%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rule);
}
.masthead .wrap{display:flex;align-items:center;gap:24px;min-height:62px;flex-wrap:wrap}
.mark{font-family:"Bodoni Moda",Georgia,serif;font-size:1.22rem;text-decoration:none;white-space:nowrap}
.mark em{font-style:italic;color:var(--halpha)}
.mnav{margin-left:auto;display:flex;gap:22px;flex-wrap:wrap}
.mnav a{
  font-family:"IBM Plex Mono",monospace;font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;text-decoration:none;color:var(--ink-soft);padding:4px 0;
  border-bottom:1px solid transparent;
}
.mnav a:hover{color:var(--ink);border-bottom-color:var(--halpha)}
.mnav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}
@media (max-width:560px){
  .masthead .wrap{padding-top:10px;padding-bottom:10px}
  .mnav{margin-left:0;width:100%;gap:16px}
}

/* ---------- 4. Buttons --------------------------------------------------- */

.btn{
  display:inline-block;
  font-family:"IBM Plex Mono",monospace;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;
  text-decoration:none;padding:11px 18px;border:1px solid var(--ink);
  color:var(--plate);background:var(--ink);cursor:pointer;
}
.btn:hover{background:var(--halpha);border-color:var(--halpha);color:#fff}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--plate)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* ---------- 5. Home hero ------------------------------------------------- */

.hero{padding:clamp(40px,7vw,84px) 0 clamp(32px,5vw,56px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:920px){ .hero .wrap{grid-template-columns:1fr} }
.hero h1{font-size:clamp(2.4rem,5.4vw,4.1rem);line-height:1.02;letter-spacing:-.015em;margin:14px 0 18px}
.hero h1 em{font-style:italic;color:var(--halpha)}
.lede{font-size:1.11rem;color:var(--ink-soft);max-width:46ch}

/* ---------- 6. Instrument panel (HR diagram) ----------------------------- */

.panel{
  background:var(--field-bg);border:1px solid var(--rule);box-shadow:var(--shadow);
  padding:14px 14px 10px;margin:0;
}
.panel svg{display:block;width:100%;height:auto}
.panel figcaption{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.05em;
  color:var(--ink-soft);border-top:1px solid var(--rule-soft);margin-top:8px;padding-top:8px;
}
.readout{color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- 7. Interior page headers ------------------------------------- */

.pagehead{padding:clamp(34px,5.5vw,66px) 0 clamp(22px,3vw,34px);border-bottom:1px solid var(--rule)}
.pagehead h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.04;letter-spacing:-.015em;margin:12px 0 16px}
.pagehead .lede{max-width:56ch}

.crumbs{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.crumbs a{text-decoration:none;border-bottom:1px solid var(--rule)}
.crumbs a:hover{color:var(--ink);border-bottom-color:var(--halpha)}
.crumbs span{opacity:.6;padding:0 6px}

/* ---------- 8. Sections -------------------------------------------------- */

section{padding:clamp(44px,6.5vw,82px) 0;border-top:1px solid var(--rule)}
section:first-of-type{border-top:0}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(20px,4vw,56px);align-items:end;margin-bottom:34px}
@media (max-width:820px){ .sec-head{grid-template-columns:1fr} }
.sec-head h2{font-size:clamp(1.9rem,3.4vw,2.7rem);line-height:1.08;letter-spacing:-.01em;margin-top:10px}
.sec-head p{color:var(--ink-soft);max-width:56ch}

.prose p + p{margin-top:1em}
.prose{color:var(--ink-soft);max-width:var(--measure)}
.prose strong{color:var(--ink);font-weight:600}

/* ---------- 9. The field (talks scatter) --------------------------------- */

.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{
  font-family:"IBM Plex Mono",monospace;font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;
  padding:7px 13px;border:1px solid var(--rule);background:transparent;color:var(--ink-soft);cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
}
.chip .dot{width:9px;height:9px;border-radius:50%;background:var(--band)}
.chip[data-on="true"]{color:var(--ink);border-color:var(--ink)}
.chip[data-on="false"]{opacity:.45}

.field{background:var(--field-bg);border:1px solid var(--rule);box-shadow:var(--shadow);padding:12px}
.field svg{display:block;width:100%;height:auto;overflow:visible}
.field.mini{box-shadow:none}

.pt{cursor:pointer}
.pt circle.body{transition:r .18s ease}
.pt circle.halo{fill:none;stroke-width:1.4;opacity:0;transition:opacity .18s ease}
.pt text{
  font-family:"IBM Plex Mono",monospace;font-size:11px;font-weight:500;fill:var(--field-bg);
  dominant-baseline:central;text-anchor:middle;pointer-events:none;
}
.pt:hover circle.halo,.pt:focus-visible circle.halo,.pt[data-active="true"] circle.halo{opacity:1}
.pt[data-dim="true"]{opacity:.16;pointer-events:none}
.pt[data-self="true"] circle.halo{opacity:1}

.axis line,.axis path{stroke:var(--rule);fill:none}
.axis text{font-family:"IBM Plex Mono",monospace;font-size:10.5px;fill:var(--ink-soft);letter-spacing:.04em}
.axis .title{font-size:11px;fill:var(--ink);letter-spacing:.12em;text-transform:uppercase}
.grid line{stroke:var(--rule-soft)}

/* ---------- 10. Talk list ------------------------------------------------ */

.talks{list-style:none;margin:22px 0 0;padding:0;border-top:1px solid var(--rule)}
.talk{border-bottom:1px solid var(--rule)}
.talk[data-dim="true"]{display:none}
.talk > a{
  display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:16px;align-items:baseline;
  padding:18px 4px;text-decoration:none;color:inherit;
}
.talk > a:hover{background:var(--plate-raised)}
.talk > a:hover .talk-title{color:var(--band)}
.talk-idx{font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--band);font-weight:500}
.talk-title{font-family:"Bodoni Moda",Georgia,serif;font-size:1.32rem;line-height:1.2}
.talk-blurb{grid-column:2;color:var(--ink-soft);font-size:.94rem;margin-top:4px;max-width:60ch}
.talk-meta{
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.06em;
  color:var(--ink-soft);text-transform:uppercase;white-space:nowrap;
}
@media (max-width:640px){
  .talk > a{grid-template-columns:28px minmax(0,1fr)}
  .talk-meta{grid-column:2;white-space:normal}
}

/* ---------- 11. Talk detail page ----------------------------------------- */

.talkhead{padding:clamp(30px,5vw,58px) 0 clamp(20px,3vw,30px)}
.talkhead h1{font-size:clamp(2.1rem,5vw,3.5rem);line-height:1.03;letter-spacing:-.015em;margin:12px 0 16px}
.talkhead .lede{max-width:50ch}
.bandtag{
  display:inline-flex;align-items:center;gap:9px;
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--band);
}
.bandtag::before{content:"";width:3px;height:14px;background:var(--band)}

.factbar{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  border:1px solid var(--rule);border-bottom:0;margin-top:30px;
}
.factbar div{padding:14px 16px;border-bottom:1px solid var(--rule);border-right:1px solid var(--rule)}
.factbar div:last-child{border-right:0}
.factbar dt{font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.factbar dd{margin:5px 0 0;font-size:.96rem;color:var(--ink)}

.talkbody{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:900px){ .talkbody{grid-template-columns:1fr} }

.sidenote{border:1px solid var(--rule);background:var(--plate-raised);padding:20px}
.sidenote h3{font-size:1.05rem;margin-bottom:12px}
.sidenote + .sidenote{margin-top:16px}

.ticklist{list-style:none;margin:0;padding:0}
.ticklist li{position:relative;padding-left:22px;color:var(--ink-soft);margin-bottom:9px;font-size:.96rem}
.ticklist li::before{
  content:"";position:absolute;left:0;top:.6em;width:9px;height:9px;
  background:var(--band,var(--ink));border-radius:50%;
}

.h3{font-family:"Bodoni Moda",Georgia,serif;font-size:1.5rem;font-weight:600;margin:34px 0 12px;color:var(--ink)}

/* ---------- 12. Prev / next ---------------------------------------------- */

.pagernav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:8px}
@media (max-width:640px){ .pagernav{grid-template-columns:1fr} }
.pagernav a{
  background:var(--plate);padding:18px 20px;text-decoration:none;display:block;
}
.pagernav a:hover{background:var(--plate-raised)}
.pagernav a.next{text-align:right}
.pagernav .lab{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.pagernav .ttl{font-family:"Bodoni Moda",Georgia,serif;font-size:1.14rem;margin-top:5px;display:block}

/* ---------- 13. Cards, spec lists ---------------------------------------- */

.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(20px,3vw,40px)}
.col h3{font-size:1.28rem;margin-bottom:10px}
.col p{color:var(--ink-soft)}

.spec{list-style:none;margin:0;padding:0}
.spec li{
  display:flex;justify-content:space-between;gap:18px;padding:10px 0;
  border-bottom:1px solid var(--rule-soft);font-family:"IBM Plex Mono",monospace;font-size:.8rem;
}
.spec li span:last-child{color:var(--ink-soft);text-align:right}

/* ---------- 14. Resources page (/t/) ------------------------------------- */

.resources{max-width:680px;margin:0 auto;padding:clamp(30px,6vw,70px) clamp(18px,4vw,40px) 60px}
.resources h1{font-size:clamp(1.9rem,5vw,2.8rem);line-height:1.06;margin:12px 0 14px}
.reslist{list-style:none;margin:26px 0 0;padding:0;border-top:1px solid var(--rule)}
.reslist li{border-bottom:1px solid var(--rule)}
.reslist a,.reslist .dead{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:18px 2px;text-decoration:none;color:inherit;
}
.reslist a:hover{background:var(--plate-raised);color:var(--halpha)}
.reslist .what{font-size:1.06rem}
.reslist .kind{
  font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-soft);white-space:nowrap;
}
.reslist .dead{color:var(--ink-soft)}

/* ---------- 15. Contact -------------------------------------------------- */

.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:820px){ .contact{grid-template-columns:1fr} }
.mailbox{border:1px solid var(--ink);padding:clamp(20px,3vw,30px);background:var(--plate-raised)}
.mailbox a.big{
  font-family:"Bodoni Moda",Georgia,serif;font-size:clamp(1.3rem,2.6vw,1.9rem);color:var(--halpha);
  text-decoration:none;border-bottom:2px solid currentColor;word-break:break-word;
}

/* ---------- 16. Notes, footer, 404 --------------------------------------- */

.note{
  border:1px dashed var(--rule);padding:12px 14px;margin-top:22px;
  font-family:"IBM Plex Mono",monospace;font-size:.73rem;color:var(--ink-soft);line-height:1.6;
}

.sitefoot{border-top:1px solid var(--rule);padding:34px 0 48px;color:var(--ink-soft)}
.sitefoot .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:26px}
.sitefoot h4{
  font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink);margin:0 0 10px;font-weight:500;
}
.sitefoot ul{list-style:none;margin:0;padding:0}
.sitefoot li{margin-bottom:6px}
.sitefoot a{font-size:.9rem;text-decoration:none;border-bottom:1px solid transparent}
.sitefoot a:hover{color:var(--ink);border-bottom-color:var(--halpha)}
.sitefoot .station{
  font-family:"IBM Plex Mono",monospace;font-size:.73rem;letter-spacing:.05em;line-height:1.9;
}
.sitefoot .station b{color:var(--ink);font-weight:500;font-variant-numeric:tabular-nums}

.notfound{text-align:center;padding:clamp(60px,12vw,140px) 20px}
.notfound h1{font-size:clamp(2.4rem,7vw,4.2rem);line-height:1;margin-bottom:16px}
.notfound p{color:var(--ink-soft);max-width:44ch;margin:0 auto 28px}
.notfound canvas{display:block;margin:0 auto 34px;max-width:100%}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}