/* ============================================================
   Cartridge Collector — museum-of-brass theme
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,900&family=Archivo:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  color-scheme: dark;
  --bg:#131210; --surface:#1c1b17; --surface-2:#232119;
  --line:rgba(200,162,74,.20); --line-soft:rgba(236,231,220,.09);
  --ink:#ece7dc; --ink-dim:#b8b1a2; --ink-mut:#8f887a;
  --brass:#c8a24a; --brass-hi:#e6c877; --brass-deep:#8a6b28; --copper:#b56a45;
  --good:#79b083; --warn:#d8a24a; --bad:#d97a63;
  --display:'Fraunces',Georgia,serif; --body:'Archivo',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;
  --maxw:1200px; --radius:4px; --shadow:0 18px 50px -24px rgba(0,0,0,.8);
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(200,162,74,.10), transparent 60%),
    radial-gradient(900px 600px at 0% 100%, rgba(181,106,69,.07), transparent 55%),
    var(--bg);
  color:var(--ink); font-family:var(--body); line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
::selection{background:rgba(200,162,74,.3);color:#fff}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--brass);font-weight:500}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.1;text-wrap:balance;margin:0}

/* top bar */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:rgba(19,18,16,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topinner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand .glyph{width:30px;height:30px;flex:0 0 auto}
.brand b{font-family:var(--display);font-weight:600;font-size:20px}
.brand span{color:var(--brass)}
nav.main{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
nav.main a{font-size:13.5px;font-weight:500;color:var(--ink-dim);padding:8px 12px;border-radius:var(--radius);transition:.15s}
nav.main a:hover{color:var(--ink);background:rgba(236,231,220,.05)}
nav.main a.active{color:var(--brass)}
.searchbtn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:transparent;color:var(--ink-mut);padding:8px 12px;border-radius:999px;cursor:pointer;font-size:13px;transition:.15s}
.searchbtn:hover{border-color:var(--brass);color:var(--ink)}
.adminbtn{border:1px solid var(--line);background:linear-gradient(180deg,rgba(200,162,74,.16),rgba(200,162,74,.05));color:var(--brass-hi);padding:8px 14px;border-radius:999px;cursor:pointer;font-size:13px;font-weight:600;transition:.15s}
.adminbtn:hover{border-color:var(--brass);box-shadow:0 0 0 3px rgba(200,162,74,.12)}

/* hero */
.hero{padding:56px 0 40px;border-bottom:1px solid var(--line-soft)}
.hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(38px,6vw,68px);letter-spacing:-.015em}
.hero h1 em{font-style:italic;color:var(--brass-hi)}
.hero .lede{color:var(--ink-dim);font-size:17px;max-width:52ch;margin-top:20px}
.hero .thesis{margin-top:26px;padding:16px 20px;border-left:2px solid var(--brass);background:linear-gradient(90deg,rgba(200,162,74,.07),transparent);font-family:var(--display);font-style:italic;font-size:16px}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 20px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.16s}
.btn.primary{background:linear-gradient(180deg,var(--brass-hi),var(--brass));color:#20180a;box-shadow:0 10px 30px -12px rgba(200,162,74,.6)}
.btn.primary:hover{transform:translateY(-1px)}
.btn.ghost{border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--brass);color:var(--brass-hi)}
.btn.danger{border-color:rgba(217,122,99,.5);color:var(--bad)}
.btn.danger:hover{background:rgba(217,122,99,.1)}
.hero-figure{display:flex;justify-content:center}
.specimen-plinth{position:relative;width:100%;max-width:340px;aspect-ratio:1/1.15;border-radius:8px;background:radial-gradient(circle at 50% 30%,#f8f4ec,#e7e0d1 70%,#ddd5c4);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;overflow:hidden}
.specimen-plinth img{max-width:84%;max-height:80%;width:auto;height:auto;object-fit:contain;position:relative;z-index:1;filter:drop-shadow(0 16px 18px rgba(60,40,10,.32))}
.plinth-tag{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:10px 14px;background:linear-gradient(180deg,transparent,rgba(19,18,16,.92) 40%);font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--brass);text-transform:uppercase}
.plinth-tag b{display:block;font-family:var(--body);font-size:13px;color:var(--ink);letter-spacing:0;text-transform:none;margin-top:2px}
.stats{display:flex;gap:40px;margin-top:40px;flex-wrap:wrap}
.stat .n{font-family:var(--display);font-size:34px;color:var(--brass-hi);line-height:1}
.stat .l{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mut);margin-top:6px}

/* sections */
section.block{padding:52px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px)}
.sec-head p{color:var(--ink-mut);font-size:14px;margin:6px 0 0}
.seelink{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--brass);text-transform:uppercase}
.seelink:hover{color:var(--brass-hi)}

/* cards */
.grid{display:grid;gap:20px}
.grid.g4{grid-template-columns:repeat(4,1fr)}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(180deg,var(--surface),#18170f);border:1px solid var(--line-soft);border-radius:6px;overflow:hidden;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow)}
.card .frame{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 30%,#f8f4ec,#e7e0d1 70%,#ddd5c4);border-bottom:1px solid var(--line)}
.card .frame img{max-width:84%;max-height:82%;width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 10px 12px rgba(60,40,10,.28));transition:transform .25s}
.card:hover .frame img{transform:translateY(-2px) scale(1.03)}
.card .chip{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass-hi);background:rgba(19,18,16,.88);border:1px solid var(--line);padding:3px 8px;border-radius:999px}
.card .newdot{position:absolute;top:10px;right:10px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;color:#0e0e0a;background:var(--brass-hi);padding:3px 8px;border-radius:999px;font-weight:600}
.card .meta{padding:14px 15px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .meta h3{font-size:17px;line-height:1.15}
.card .cal{font-family:var(--mono);font-size:11.5px;color:var(--brass);letter-spacing:.04em}
.card .foot{margin-top:auto;display:flex;align-items:center;gap:8px;padding-top:8px;border-top:1px solid var(--line-soft)}
.card .flag{font-size:11px;color:var(--ink-mut);font-family:var(--mono);letter-spacing:.06em}
.card .hs{margin-left:auto;width:26px;height:26px;border-radius:50%;opacity:.9;object-fit:cover}
.empty{grid-column:1/-1;padding:50px;text-align:center;color:var(--ink-mut);border:1px dashed var(--line-soft);border-radius:8px}

/* category tiles */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat{position:relative;border:1px solid var(--line-soft);border-radius:8px;padding:22px;min-height:150px;overflow:hidden;background:linear-gradient(140deg,var(--surface-2),#14130e);transition:.18s;display:flex;flex-direction:column;justify-content:space-between}
.cat:hover{border-color:var(--brass);transform:translateY(-3px)}
.cat h3{font-size:22px}
.cat .count{font-family:var(--mono);font-size:12px;color:var(--brass);letter-spacing:.1em;text-transform:uppercase}
.cat p{color:var(--ink-mut);font-size:13px;margin:8px 0 0;max-width:34ch}
.cat img{position:absolute;right:-6px;bottom:-10px;height:120px;opacity:.16}

/* projects */
.projects{border:1px solid var(--line);border-radius:10px;background:linear-gradient(120deg,rgba(200,162,74,.06),transparent 60%),var(--surface);padding:30px}
.proj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.proj{border:1px solid var(--line-soft);border-radius:6px;padding:16px;background:#15140f;transition:.16s}
.proj:hover{border-color:var(--brass);transform:translateY(-2px)}
.proj .code{font-family:var(--mono);color:var(--brass);font-size:12px}
.proj h4{font-size:18px;margin:6px 0 4px}
.proj .bar{height:5px;border-radius:3px;background:rgba(236,231,220,.1);margin-top:12px;overflow:hidden}
.proj .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brass),var(--brass-hi))}
.proj small{font-family:var(--mono);font-size:10.5px;color:var(--ink-mut);letter-spacing:.08em}

/* browse */
.browse{display:grid;grid-template-columns:250px 1fr;gap:34px;align-items:start;padding-top:34px}
.filters{position:sticky;top:96px;border:1px solid var(--line-soft);border-radius:8px;background:var(--surface);padding:20px}
.filters h4{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mut);margin:0 0 12px;font-weight:500}
.fgroup{padding:14px 0;border-top:1px solid var(--line-soft)}
.fgroup:first-of-type{border-top:none;padding-top:0}
.chiprow{display:flex;flex-wrap:wrap;gap:7px}
.fchip{font-size:12px;font-family:var(--mono);color:var(--ink-dim);border:1px solid var(--line-soft);background:transparent;padding:5px 10px;border-radius:999px;cursor:pointer;transition:.14s}
.fchip:hover{border-color:var(--brass)}
.fchip.on{background:linear-gradient(180deg,var(--brass-hi),var(--brass));color:#20180a;border-color:transparent;font-weight:600}
.browse-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.browse-head h1{font-size:34px}
.resultnum{font-family:var(--mono);font-size:12px;color:var(--ink-mut);letter-spacing:.08em}
.searchfield{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:999px;padding:10px 16px;background:var(--surface);margin-bottom:22px}
.searchfield input{background:transparent;border:none;outline:none;color:var(--ink);font-family:var(--body);font-size:15px;width:100%}

/* detail */
.detail{padding-top:30px}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--ink-mut);letter-spacing:.06em;margin-bottom:20px}
.crumbs a{color:var(--brass)}
.detail-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.viewer{position:sticky;top:96px}
.viewer .stage{position:relative;border:1px solid var(--line);border-radius:10px;background:radial-gradient(circle at 50% 30%,#f8f4ec,#e7e0d1 70%,#ddd5c4);aspect-ratio:1/1.05;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow)}
.viewer .stage img{max-width:86%;max-height:82%;width:auto;height:auto;object-fit:contain;cursor:zoom-in;filter:drop-shadow(0 18px 20px rgba(60,40,10,.32));transition:transform .3s}
.viewer .stage:hover img{transform:scale(1.04)}
.viewer .zoomnote{position:absolute;bottom:12px;right:14px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#7a6a48;text-transform:uppercase}
.thumbs{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}
.thumb{width:78px;height:78px;border:1px solid var(--line-soft);border-radius:6px;background:#ece5d6;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s;padding:6px}
.thumb img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.thumb.on,.thumb:hover{border-color:var(--brass)}
.detail h1{font-size:clamp(28px,4vw,42px);margin-bottom:6px}
.detail .subcal{font-family:var(--mono);color:var(--brass);font-size:15px;margin-bottom:22px}
.spectable{width:100%;border-collapse:collapse;margin:8px 0 26px;font-size:14px}
.spectable td{padding:11px 0;border-bottom:1px solid var(--line-soft);vertical-align:top}
.spectable td.k{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mut);width:42%}
.spectable td.v{color:var(--ink);font-weight:500}
.research h3{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);font-weight:500;margin:30px 0 12px}
.research p{color:var(--ink-dim);margin:0 0 14px;max-width:62ch}
.hs-inline{display:flex;align-items:center;gap:16px;border:1px solid var(--line-soft);border-radius:8px;padding:14px;background:var(--surface);margin-top:8px}
.hs-inline img{max-width:82px;max-height:82px;width:auto;height:auto;object-fit:contain;flex:0 0 auto;background:#ece5d6;border-radius:6px;padding:3px}
.hs-inline .code{font-family:var(--mono);font-size:16px;color:var(--brass-hi)}
.hs-inline small{color:var(--ink-mut);font-size:12.5px}

/* flash */
.flashes{position:fixed;top:78px;right:20px;z-index:80;display:flex;flex-direction:column;gap:10px;max-width:360px}
.flash{padding:12px 16px;border-radius:8px;font-size:14px;box-shadow:var(--shadow);border:1px solid var(--line);background:var(--surface)}
.flash.ok{border-color:rgba(121,176,131,.5);color:var(--good)}
.flash.error{border-color:rgba(217,122,99,.5);color:var(--bad)}

/* footer */
footer.foot{border-top:1px solid var(--line);margin-top:40px;padding:40px 0 60px}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot p{color:var(--ink-mut);font-size:13px;max-width:44ch;margin:12px 0 0}
.foot .cols{display:flex;gap:60px;flex-wrap:wrap}
.foot .col h5{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mut);margin:0 0 12px}
.foot .col a{display:block;color:var(--ink-dim);font-size:14px;padding:4px 0}
.foot .col a:hover{color:var(--brass)}
.foot .fine{margin-top:34px;padding-top:20px;border-top:1px solid var(--line-soft);font-family:var(--mono);font-size:11px;color:var(--ink-mut);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* overlay search */
.overlay{position:fixed;inset:0;z-index:60;background:rgba(10,9,7,.72);backdrop-filter:blur(6px);display:none;align-items:flex-start;justify-content:center;padding:12vh 20px 20px}
.overlay.on{display:flex}
.searchbox{width:100%;max-width:640px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
.searchbox .sb-in{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line-soft)}
.searchbox input{flex:1;background:transparent;border:none;outline:none;color:var(--ink);font-size:19px;font-family:var(--display)}
.searchbox .esc{font-family:var(--mono);font-size:11px;color:var(--ink-mut);border:1px solid var(--line-soft);padding:3px 7px;border-radius:5px}
.sb-results{max-height:52vh;overflow:auto}
.sb-item{display:flex;align-items:center;gap:14px;padding:12px 20px;cursor:pointer;border-bottom:1px solid var(--line-soft)}
.sb-item:hover{background:rgba(200,162,74,.07)}
.sb-item .rimg{width:38px;height:38px;padding:4px;border:1px solid var(--line-soft);border-radius:5px;background:#ece5d6;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.sb-item .rimg img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.sb-item b{font-family:var(--display);font-weight:600;font-size:15px}
.sb-item small{font-family:var(--mono);font-size:11px;color:var(--brass)}
.sb-empty{padding:26px 20px;color:var(--ink-mut);font-size:14px;text-align:center}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:70;background:rgba(8,7,5,.92);display:none;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}
.lightbox.on{display:flex}
.lightbox img{max-height:88vh;max-width:92vw;object-fit:contain;filter:drop-shadow(0 30px 40px rgba(0,0,0,.7))}

.fadein{animation:fade .4s ease both}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-figure{order:-1}
  .grid.g4,.grid.g3{grid-template-columns:repeat(2,1fr)}
  .cats,.proj-grid{grid-template-columns:repeat(2,1fr)}
  .browse{grid-template-columns:1fr}.filters{position:static}
  .detail-grid{grid-template-columns:1fr}.viewer{position:static}
  nav.main{display:none}
}
@media (max-width:560px){
  .grid.g4,.grid.g3,.cats,.proj-grid{grid-template-columns:1fr 1fr}
  .stats{gap:24px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}