:root{
  --paper:#f4f0e8;
  --card:#fffdf8;
  --ink:#1d1a15;
  --ink-soft:#5c564a;
  --line:#ddd6c8;
  --accent:#9a2a2a;      /* library-cloth crimson */
  --accent-dark:#7a1f1f;
  --gold:#b98a2e;
  --shadow:0 1px 2px rgba(29,26,21,.06), 0 8px 24px rgba(29,26,21,.06);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
  --mono:"SFMono-Regular",Consolas,"Roboto Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--serif);
  min-height:100vh;
  background-image:radial-gradient(circle at 15% 0%, rgba(154,42,42,.05), transparent 40%),
                   radial-gradient(circle at 85% 100%, rgba(185,138,46,.06), transparent 45%);
}

/* Masthead */
.masthead{border-bottom:2px solid var(--ink)}
.mast-inner{
  max-width:1020px;margin:0 auto;padding:26px 30px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:16px}
.mark{font-size:30px;color:var(--accent);line-height:1}
.wordmark{
  font-size:clamp(26px,4vw,36px);letter-spacing:.01em;font-weight:400;
  font-family:var(--serif);line-height:1;
}
.sub{
  display:block;margin-top:6px;font-family:var(--sans);font-size:12.5px;
  letter-spacing:.06em;color:var(--ink-soft);text-transform:uppercase;
}
.count{
  font-family:var(--mono);font-size:15px;letter-spacing:.05em;color:var(--accent);
  border:1px solid var(--accent);padding:6px 12px;text-align:center;line-height:1;
  white-space:nowrap;
}
.count b{display:block;font-weight:700;font-size:22px;line-height:1.1}
.count span{color:var(--ink-soft);font-size:10px;letter-spacing:.15em;text-transform:uppercase}

/* Content */
.content{max-width:980px;margin:0 auto;padding:40px 30px 20px}
.lede{max-width:640px;font-size:17px;line-height:1.65;color:var(--ink-soft);margin-bottom:34px}

/* Grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px}

.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-top:4px solid var(--accent);
  padding:22px 22px 20px;text-decoration:none;color:var(--ink);
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  min-height:200px;
}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(29,26,21,.12);border-color:var(--accent)}
.no{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--accent);
  margin-bottom:14px;
}
.tag{
  align-self:flex-start;font-family:var(--sans);font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent-dark);background:rgba(154,42,42,.08);
  padding:4px 9px;border-radius:20px;margin-bottom:12px;
}
.card h2{font-size:22px;font-weight:400;letter-spacing:.01em;line-height:1.25;font-family:var(--serif)}
.card .desc{margin-top:9px;font-size:14px;line-height:1.6;color:var(--ink-soft);flex:1}
.card .open{
  margin-top:18px;font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--accent);text-transform:uppercase;display:flex;align-items:center;gap:8px;
}
.card .open::after{content:"→";transition:transform .2s ease}
.card:hover .open::after{transform:translateX(4px)}

/* locked placeholder */
.card.locked{border-top-color:#c9c2b4;border-style:dashed;box-shadow:none;cursor:default}
.card.locked:hover{transform:none;box-shadow:none;border-color:var(--line)}
.card.locked .no{color:#a79f8f}
.card.locked .open{color:#a79f8f}

/* Colophon */
.colophon{
  max-width:980px;margin:20px auto 0;padding:22px 30px 40px;
  border-top:1px solid var(--line);
  display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;
  font-family:var(--sans);font-size:11.5px;letter-spacing:.04em;color:var(--ink-soft);
  text-transform:uppercase;
}

@media(max-width:620px){
  .mast-inner{padding:20px;flex-wrap:wrap}
  .content{padding:30px 20px 16px}
  .colophon{padding:18px 20px 32px}
}