:root{
  --bg:#F4F4F1;
  --ink:#0E0E0C;
  --mut:#75756E;
  --line:#DCDCD5;
  --card:#FFFFFF;
  --accent:#2331E8;
  --accent-soft:rgba(35,49,232,.09);
}
[data-theme="dark"]{
  --bg:#0C0C0B;
  --ink:#F1F1EC;
  --mut:#8C8C84;
  --line:#242420;
  --card:#141412;
  --accent:#5A64FF;
  --accent-soft:rgba(90,100,255,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--bg);color:var(--ink);
  font-family:'Space Grotesk',system-ui,sans-serif;
  font-size:17px;line-height:1.6;
  transition:background .45s ease,color .45s ease;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.mono{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* custom cursor */
#cur{position:fixed;top:0;left:0;width:8px;height:8px;border-radius:50%;background:var(--accent);pointer-events:none;z-index:300;transform:translate(-50%,-50%);transition:width .2s,height .2s,opacity .3s}
#ring{position:fixed;top:0;left:0;width:34px;height:34px;border-radius:50%;border:1.5px solid var(--accent);opacity:.4;pointer-events:none;z-index:299;transform:translate(-50%,-50%)}
body.cur-hover #cur{width:14px;height:14px}
@media(hover:none){#cur,#ring{display:none}}

/* status bar */
.bar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:14px clamp(20px,4vw,48px);
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;
}
.bar .grp{display:flex;gap:22px;align-items:center}
.bar a,.bar button{
  font-family:inherit;font-size:inherit;letter-spacing:inherit;text-transform:inherit;
  background:none;border:none;color:var(--ink);cursor:pointer;padding:2px 0;position:relative;
}
.bar a::after,.bar button::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);transition:width .25s}
.bar a:hover::after,.bar button:hover::after{width:100%}
.bar .dim{color:var(--mut)}
.bar .clock{color:var(--mut);min-width:150px;text-align:right}
@media(max-width:760px){.bar .clock,.bar .hide-m{display:none}}
@media(max-width:560px){.bar{padding:12px 14px;font-size:10px;gap:10px}.bar .grp{gap:12px}#sndBtn{display:none}}

/* hero */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding-top:80px;position:relative}
.hero .sys{margin-bottom:30px;display:flex;gap:14px;flex-wrap:wrap;color:var(--mut)}
.hero .sys span::before{content:"[";color:var(--accent)}
.hero .sys span::after{content:"]";color:var(--accent)}
h1{
  font-size:clamp(46px,9vw,132px);
  font-weight:700;letter-spacing:-.04em;line-height:.96;text-transform:uppercase;
}
h1 .l2{color:var(--accent)}
.hero h1{font-size:clamp(36px,6.9vw,88px)}
.hero .state{margin-top:36px;max-width:58ch;font-size:clamp(16px,1.8vw,20px);color:var(--mut)}
.hero .state strong{color:var(--ink);font-weight:600}
.scroll-cue{position:absolute;bottom:26px;left:clamp(20px,4vw,48px);color:var(--mut);display:flex;gap:10px;align-items:center}
.scroll-cue i{display:inline-block;width:1px;height:34px;background:var(--mut);animation:drop 1.8s ease-in-out infinite;transform-origin:top}
@keyframes drop{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(0);transform-origin:bottom}}
@media(prefers-reduced-motion:reduce){.scroll-cue i{animation:none}}

/* statements */
.statement{padding-top:clamp(90px,15vh,180px);padding-bottom:clamp(90px,15vh,180px);border-top:1px solid var(--line)}
.statement p{
  font-size:clamp(24px,3.8vw,52px);font-weight:600;letter-spacing:-.025em;line-height:1.14;
  max-width:30ch;
}
.statement p .acc{color:var(--accent)}
.statement .mono{margin-bottom:26px;color:var(--mut);display:block}

/* reference receipts */
.receipts{margin-top:clamp(48px,7vh,84px);display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:900px){.receipts{grid-template-columns:1fr}}
.receipt{margin:0;background:var(--bg);padding:28px 24px 24px;display:flex;flex-direction:column;gap:18px}
.receipt > .mono{color:var(--accent)}
.receipt blockquote{font-size:15.5px;line-height:1.6;flex:1;color:var(--ink)}
.receipt figcaption{color:var(--mut)}

/* seats */
.seats{padding-top:clamp(80px,12vh,150px);padding-bottom:clamp(80px,12vh,150px);border-top:1px solid var(--line)}
.seat-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
@media(max-width:1000px){.seat-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:560px){.seat-grid{grid-template-columns:repeat(2,1fr)}}
.seat{
  background:var(--bg);padding:26px 16px 22px;position:relative;overflow:hidden;
  transition:background .3s;cursor:default;
}
.seat .idx{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.12em;color:var(--mut);display:block;margin-bottom:34px;transition:color .3s}
.seat .nm{font-weight:600;font-size:15px;letter-spacing:-.01em;transition:color .3s}
.seat::before{content:"";position:absolute;inset:0;background:var(--accent);transform:translateY(101%);transition:transform .35s cubic-bezier(.65,0,.35,1)}
.seat:hover::before{transform:none}
.seat:hover .idx,.seat:hover .nm{color:#fff;position:relative;z-index:2}
.seats .close{margin-top:34px;text-align:right;font-size:clamp(18px,2.4vw,26px);font-weight:600;letter-spacing:-.02em}
.seats .close em{font-style:normal;color:var(--accent)}

/* work index */
.work{padding-top:clamp(80px,12vh,150px);padding-bottom:clamp(80px,12vh,150px);border-top:1px solid var(--line)}
.work-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:34px}
.work-head h2{font-size:clamp(26px,3.4vw,44px);font-weight:700;letter-spacing:-.03em;text-transform:uppercase;line-height:1.1}
@media(max-width:760px){
  .work-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:20px}
  .seat-grid{margin-top:26px}
}
.idx-row{
  display:grid;grid-template-columns:150px 1fr auto auto;gap:20px;align-items:baseline;
  padding:22px 6px;border-top:1px solid var(--line);position:relative;
  transition:background .25s,padding-left .25s;
}
.idx-row:last-child{border-bottom:1px solid var(--line)}
.idx-row:hover{background:var(--accent-soft);padding-left:16px}
.idx-row .cat{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}
.idx-row .cat.hot{color:var(--accent)}
.idx-row .ttl{font-size:clamp(19px,2.4vw,30px);font-weight:600;letter-spacing:-.02em}
.idx-row .yr{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--mut)}
.idx-row .go{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);opacity:0;transform:translateX(-6px);transition:opacity .25s,transform .25s}
.idx-row:hover .go{opacity:1;transform:none}
@media(max-width:760px){.idx-row{grid-template-columns:1fr auto}.idx-row .cat{grid-column:1/-1;margin-bottom:-12px}.idx-row .go{display:none}}
#preview{
  position:fixed;z-index:90;width:300px;aspect-ratio:16/10;border-radius:10px;overflow:hidden;
  pointer-events:none;opacity:0;transform:scale(.92) rotate(-2deg);transition:opacity .25s,transform .25s;
  box-shadow:0 30px 70px -20px rgba(0,0,0,.4);border:1px solid var(--line);
}
#preview img{width:100%;height:100%;object-fit:cover;object-position:top}
#preview.show{opacity:1;transform:rotate(-2deg)}
@media(hover:none){#preview{display:none}}

/* method quote */
.method{padding-top:clamp(90px,14vh,170px);padding-bottom:clamp(90px,14vh,170px);border-top:1px solid var(--line)}
.method blockquote{
  font-size:clamp(24px,3.8vw,52px);font-weight:600;letter-spacing:-.025em;line-height:1.14;
  max-width:30ch;
}
.method blockquote .acc{color:var(--accent)}
.method .mono{display:block;margin-bottom:26px;color:var(--mut)}

/* contact */
.contact{padding-top:clamp(90px,15vh,180px);padding-bottom:clamp(60px,9vh,110px);border-top:1px solid var(--line)}
.contact .mono{display:block;color:var(--mut);margin-bottom:22px}
.contact h2{font-size:clamp(40px,8vw,116px);font-weight:700;letter-spacing:-.04em;line-height:.98;text-transform:uppercase}
.contact h2 a{color:var(--accent);position:relative}
.contact h2 a::after{content:"";position:absolute;left:0;bottom:.04em;height:.06em;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.65,0,.35,1)}
.contact h2 a:hover::after{transform:none}
.contact .row{margin-top:44px;display:flex;gap:26px;flex-wrap:wrap;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.contact .row a{position:relative;color:var(--mut);transition:color .2s}
.contact .row a:hover{color:var(--accent)}

/* marquee footer */
.mq{border-top:1px solid var(--line);overflow:hidden;padding:16px 0}
.mq-track{display:flex;width:max-content;animation:mq 24s linear infinite}
.mq:hover .mq-track{animation-play-state:paused}
.mq-track span{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding:0 30px;color:var(--mut);white-space:nowrap}
.mq-track span b{color:var(--accent);font-weight:500}
@keyframes mq{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.mq-track{animation:none}}
footer{padding:20px clamp(20px,4vw,48px);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line)}
footer span{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.25,.1,.25,1),transform .7s cubic-bezier(.25,.1,.25,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- v2 additions: video previews, mobile thumbs, about page ---------- */
#preview video{width:100%;height:100%;object-fit:cover;display:none}
#preview.video video{display:block}
#preview.video img{display:none}
.idx-row .thumb{display:none}
@media(hover:none){
  .idx-row{grid-template-columns:64px 1fr auto}
  .idx-row .thumb{display:block;width:64px;height:44px;object-fit:cover;border-radius:6px;border:1px solid var(--line);grid-row:span 2;align-self:center}
  .idx-row .cat{grid-column:2/-1;margin-bottom:-12px}
  .idx-row .ttl{grid-column:2}
  .idx-row .yr{align-self:center}
  .idx-row .go{display:none}
}

/* about hero */
.ab-hero{min-height:72svh;display:flex;flex-direction:column;justify-content:center;padding-top:100px}
.ab-hero h1{font-size:clamp(42px,8vw,116px)}
.media-block{margin-top:clamp(40px,7vh,70px);border:1px solid var(--line);background:var(--card)}
.media-block img{width:100%;max-height:72vh;object-fit:cover;object-position:center 38%}
.media-cap{display:flex;justify-content:space-between;gap:14px;padding:12px 18px;border-top:1px solid var(--line);font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);flex-wrap:wrap}
.media-cap b{color:var(--accent);font-weight:500}

/* field notes */
.notes{padding-top:clamp(80px,12vh,150px);padding-bottom:clamp(80px,12vh,150px);border-top:1px solid var(--line)}
.note-rows{margin-top:40px;border-top:1px solid var(--line)}
.note-row{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:16px 6px;border-bottom:1px solid var(--line);font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.06em}
.note-row b{color:var(--mut);font-weight:400;text-transform:uppercase}
.note-row span{text-transform:uppercase}
.note-row span em{font-style:normal;color:var(--accent)}
@media(max-width:600px){.note-row{grid-template-columns:1fr;gap:4px}}

/* principles */
.prin{padding-top:clamp(80px,12vh,150px);padding-bottom:clamp(80px,12vh,150px);border-top:1px solid var(--line)}
.prin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
@media(max-width:860px){.prin-grid{grid-template-columns:1fr}}
.prin-cell{background:var(--bg);padding:30px 26px 34px;position:relative;overflow:hidden;transition:background .3s}
.prin-cell .idx{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.12em;color:var(--accent);display:block;margin-bottom:40px}
.prin-cell h3{font-size:20px;font-weight:600;letter-spacing:-.015em;margin-bottom:10px;text-transform:uppercase}
.prin-cell p{font-size:14.5px;color:var(--mut)}

/* ---------- build log ---------- */
.log-head{padding-top:clamp(120px,18vh,190px);padding-bottom:clamp(30px,5vh,50px)}
.log-head h1{font-size:clamp(42px,8vw,110px)}
.log-head .state{margin-top:26px;max-width:56ch;color:var(--mut);font-size:clamp(16px,1.8vw,19px)}
.log-list{padding-bottom:clamp(80px,12vh,140px)}
.idx-row .dt{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--mut)}
.idx-row .sum{grid-column:2;color:var(--mut);font-size:14.5px;margin-top:2px}
.log-row{grid-template-columns:120px 1fr auto auto}
@media(max-width:760px){.log-row{grid-template-columns:1fr auto}.log-row .cat{grid-column:1/-1;margin-bottom:-12px}.log-row .sum{grid-column:1}}

/* post reader */
.post{max-width:760px;margin:0 auto;padding:clamp(120px,16vh,180px) clamp(20px,4vw,48px) clamp(70px,10vh,120px)}
.post .meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--mut);margin-bottom:24px}
.post h1.pt{font-size:clamp(34px,5.4vw,64px);font-weight:700;letter-spacing:-.03em;line-height:1.04;text-transform:uppercase}
.post-body{margin-top:44px}
.post-body p{margin:0 0 20px;color:var(--ink);font-size:17.5px;line-height:1.72}
.post-body h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.02em;text-transform:uppercase;margin:44px 0 16px}
.post-body h3{font-size:19px;font-weight:600;margin:32px 0 12px}
.post-body a{color:var(--accent);border-bottom:1px solid var(--accent)}
.post-body ul,.post-body ol{margin:0 0 20px 22px;color:var(--ink)}
.post-body li{margin-bottom:8px;line-height:1.65}
.post-body li strong{font-weight:600}
.post-body blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);padding:16px 22px;margin:26px 0;font-size:17px}
.post-body blockquote p{margin:0}
.post-body code{font-family:'IBM Plex Mono',monospace;font-size:.86em;background:var(--card);border:1px solid var(--line);padding:2px 6px;border-radius:5px}
.post-body pre{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);padding:18px 20px;overflow-x:auto;margin:0 0 22px;border-radius:8px}
.post-body pre code{border:none;background:none;padding:0;font-size:13px;line-height:1.6}
.post-body img{border:1px solid var(--line);margin:26px 0}
.post-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}
.post .back{display:inline-flex;gap:8px;margin-top:44px;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);transition:color .2s}
.post .back:hover{color:var(--accent)}
.post .err{color:var(--mut);border:1px dashed var(--line);padding:22px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.06em}

/* ---------- v3 additions: record ledger ---------- */
.record{padding-top:clamp(80px,12vh,150px);padding-bottom:clamp(80px,12vh,150px);border-top:1px solid var(--line)}
.record .lead{margin:26px 0 0;max-width:62ch;color:var(--mut);font-size:clamp(15px,1.7vw,18px)}
.record .lead strong{color:var(--ink);font-weight:600}
.rec-rows{margin-top:40px}
.rec-row{display:grid;grid-template-columns:150px 1fr auto;gap:6px 20px;align-items:baseline;padding:22px 6px;border-top:1px solid var(--line);transition:background .25s,padding-left .25s}
.rec-row:last-child{border-bottom:1px solid var(--line)}
@media(hover:hover){.rec-row:hover{background:var(--accent-soft);padding-left:16px}}
.rec-move{display:flex;align-items:center;gap:16px;padding:20px 6px;border-top:1px solid var(--line)}
.rec-move::before,.rec-move::after{content:"";flex:1;border-top:1px dashed var(--mut);opacity:.45}
.rec-move span{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);white-space:nowrap}
@media(max-width:560px){.rec-move span{white-space:normal}}
.rec-move .fl{font-size:15px;letter-spacing:.06em}
.rec-row .cat{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}
.rec-row .cat.hot{color:var(--accent)}
.rec-row .ttl{font-size:clamp(17px,2.2vw,26px);font-weight:600;letter-spacing:-.02em}
.rec-row .met{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);text-align:right;white-space:nowrap}
.rec-row .sum{grid-column:2/-1;color:var(--mut);font-size:14.5px;max-width:74ch}
@media(max-width:760px){
  .rec-row{grid-template-columns:1fr;gap:4px 14px}
  .rec-row .met{text-align:left}
  .rec-row .sum{grid-column:1}
}

/* ---------- v4 additions: hero polaroid ---------- */
.hero .sys,.hero h1,.hero .state{position:relative;z-index:2}
.polaroid-pin{position:absolute;right:clamp(8px,2.6vw,44px);bottom:clamp(96px,15vh,180px);z-index:1}
.polaroid{
  position:relative;width:clamp(190px,23vw,300px);
  background:#FAF8F1;padding:11px 11px 0;
  transform:rotate(4deg);
  box-shadow:0 24px 55px rgba(14,14,12,.16),0 5px 14px rgba(14,14,12,.10);
  transition:transform .5s cubic-bezier(.2,.85,.25,1);
}
.polaroid:hover{transform:rotate(1.5deg) translateY(-4px)}
.polaroid::before{
  content:"";position:absolute;top:-13px;left:50%;width:96px;height:26px;
  transform:translateX(-50%) rotate(-2.5deg);
  background:linear-gradient(100deg,rgba(255,255,255,.5),rgba(255,255,255,.3));
  box-shadow:0 1px 4px rgba(14,14,12,.10);
  backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px);
}
.polaroid img{width:100%;height:auto;filter:saturate(.96);border:1px solid rgba(14,14,12,.05)}
.polaroid figcaption{
  display:flex;justify-content:space-between;align-items:baseline;gap:10px;
  padding:9px 3px 11px;
  font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.11em;text-transform:uppercase;
  color:#8B8A80;white-space:nowrap;
}
.polaroid .pl-cap{color:#403F38}
[data-theme="dark"] .polaroid{background:#E9E6DC;box-shadow:0 26px 60px rgba(0,0,0,.5),0 6px 16px rgba(0,0,0,.35)}
[data-theme="dark"] .polaroid img{filter:saturate(.94) brightness(.97)}
@media(max-width:1100px){
  .polaroid-pin{position:static;margin-top:40px}
  .polaroid{width:min(68vw,270px);transform:rotate(-2.5deg)}
  .polaroid figcaption{white-space:normal}
  .polaroid:hover{transform:rotate(-1deg)}
}