/* Spence Heritage Press — publisher & institutional site
   An imprint of Spence Consultants, LLC
   Self-contained. No framework. */

/* ---------- Tokens ---------- */
:root{
  --navy:#16293F;
  --navy-deep:#101C2B;
  --navy-lift:#1E3651;
  --terracotta:#D06E2C;
  --gold:#C9922F;
  --cream:#F7EFDF;
  --cream-lift:#FDF8EE;
  --rule:#E5D5B8;
  --rule-dark:#2C4460;
  --ink:#16293F;
  --muted:#5A6B7E;
  --muted-on-navy:#A9BDD2;

  --display:"Playfair Display",Georgia,serif;
  --body:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --wrap:1140px;
  --gap:clamp(1rem,3vw,2rem);
  --sec:clamp(3.5rem,8vw,6.5rem);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

body{
  margin:0;
  font-family:var(--body);
  font-size:clamp(1rem,.97rem + .18vw,1.08rem);
  line-height:1.65;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;height:auto}
a{color:var(--terracotta);text-decoration-thickness:1px;text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid var(--terracotta);outline-offset:3px;border-radius:2px;
}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,1.4rem + 3.1vw,3.9rem)}
h2{font-size:clamp(1.65rem,1.2rem + 1.9vw,2.7rem)}
h3{font-size:clamp(1.15rem,1rem + .7vw,1.5rem)}
h4{font-size:1.02rem;font-family:var(--body);font-weight:600}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}

.wrap{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto}
.narrow{width:min(100% - 2.5rem,760px);margin-inline:auto}

/* ---------- Eyebrow / mono utilities ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--terracotta);
  margin:0 0 .9rem;
  font-weight:500;
}
.eyebrow.on-navy{color:var(--gold)}
.mono{font-family:var(--mono);font-size:.82rem;letter-spacing:.01em}

/* ---------- Skip link ---------- */
.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--terracotta);color:#fff;padding:.7rem 1.1rem;font-weight:600;
}
.skip:focus{left:.75rem;top:.75rem}

/* ---------- Header ---------- */
.masthead{
  background:var(--navy);
  border-bottom:1px solid var(--rule-dark);
  position:sticky;top:0;z-index:100;
}
.masthead-inner{
  display:flex;align-items:center;gap:1.25rem;
  padding:.7rem 0;
}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:58px;height:40px;flex:0 0 58px;border-radius:8px;
  background:var(--navy-lift);border:1px solid var(--rule-dark);
  display:grid;place-items:center;overflow:hidden;padding:3px 5px;
}
.brand-mark img{width:100%;height:100%;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--display);font-size:1.06rem;font-weight:700;color:var(--cream)}
.brand-sub{font-family:var(--display);font-style:italic;font-size:.76rem;letter-spacing:.01em;color:var(--gold)}

.nav{margin-left:auto;display:flex;align-items:center;gap:.25rem;flex-wrap:wrap}
.nav a{
  color:var(--cream);text-decoration:none;font-size:.88rem;font-weight:500;
  padding:.5rem .7rem;border-radius:6px;
}
.nav a:hover{background:var(--navy-lift);color:#fff}
.nav a[aria-current="page"]{color:var(--gold)}
.nav .nav-cta{
  background:var(--terracotta);color:#fff;font-weight:600;margin-left:.4rem;
}
.nav .nav-cta:hover{background:#b95d21;color:#fff}

.nav-toggle{
  margin-left:auto;display:none;background:var(--navy-lift);color:var(--cream);
  border:1px solid var(--rule-dark);border-radius:7px;padding:.5rem .8rem;
  font-family:var(--mono);font-size:.75rem;letter-spacing:.1em;cursor:pointer;
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav{
    display:none;width:100%;order:3;flex-direction:column;align-items:stretch;
    gap:0;padding-bottom:.6rem;
  }
  .nav.open{display:flex}
  .nav a{padding:.7rem .3rem;border-bottom:1px solid var(--rule-dark)}
  .nav .nav-cta{margin:.6rem 0 0;text-align:center;border-bottom:0}
}

/* ---------- Sections ---------- */
.sec{padding:var(--sec) 0}
.sec--navy{background:var(--navy);color:var(--cream)}
.sec--navy h2,.sec--navy h3{color:var(--cream)}
.sec--deep{background:var(--navy-deep);color:var(--cream)}
.sec--deep h2,.sec--deep h3{color:var(--cream)}
.sec--lift{background:var(--cream-lift)}
.sec--tight{padding-block:clamp(2.2rem,5vw,3.4rem)}
.sec--navy p{color:var(--muted-on-navy)}
.sec--deep p{color:var(--muted-on-navy)}
.sec--navy a{color:var(--gold)}
.sec--deep a{color:var(--gold)}

.sec-head{max-width:62ch;margin-bottom:2.6rem}
.lede{font-size:clamp(1.06rem,1rem + .45vw,1.3rem);line-height:1.55;color:var(--muted)}
.sec--navy .lede,.sec--deep .lede{color:var(--muted-on-navy)}

/* ---------- Hero ---------- */
.hero{
  background:var(--navy);
  color:var(--cream);
  padding:clamp(3.2rem,8vw,6rem) 0 clamp(2.6rem,6vw,4.4rem);
  border-bottom:1px solid var(--rule-dark);
}
.hero h1{color:var(--cream);max-width:16ch}
.hero .lede{max-width:56ch;color:var(--muted-on-navy);margin-top:1.2rem}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:clamp(2rem,5vw,4rem);align-items:end}
@media (max-width:880px){.hero-grid{grid-template-columns:1fr;align-items:start}}

/* Imprint record: the hero's data block */
.record{
  border:1px solid var(--rule-dark);
  background:var(--navy-deep);
  border-radius:4px;
  padding:1.35rem 1.5rem;
  font-family:var(--mono);
  font-size:.8rem;
  line-height:1.75;
}
.record dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.15rem .9rem}
.record dt{color:var(--muted-on-navy);letter-spacing:.06em;text-transform:uppercase;font-size:.68rem;padding-top:.22rem}
.record dd{margin:0;color:var(--cream)}
.record .rule{grid-column:1/-1;height:1px;background:var(--rule-dark);margin:.55rem 0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:.82rem 1.5rem;border-radius:6px;
  font-weight:600;font-size:.94rem;text-decoration:none;border:1px solid transparent;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.btn-primary{background:var(--terracotta);color:#fff}
.btn-primary:hover{background:#b95d21;color:#fff}
.btn-ghost{background:transparent;color:var(--cream);border-color:var(--muted-on-navy)}
.btn-ghost:hover{background:var(--navy-lift);color:#fff;border-color:var(--cream)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:var(--cream)}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.8rem}

/* ---------- Series index (home) ---------- */
.series-list{border-top:1px solid var(--rule)}
.sec--navy .series-list,.sec--deep .series-list{border-color:var(--rule-dark)}
.series-row{
  display:grid;grid-template-columns:5.5rem 1fr auto;
  gap:1.4rem;align-items:start;
  padding:1.7rem 0;border-bottom:1px solid var(--rule);
  text-decoration:none;color:inherit;
}
.sec--navy .series-row,.sec--deep .series-row{border-color:var(--rule-dark)}
.series-row:hover{background:rgba(208,110,44,.06)}
.sec--navy .series-row:hover,.sec--deep .series-row:hover{background:rgba(201,146,47,.08)}
.series-age{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;
  color:var(--terracotta);padding-top:.3rem;font-weight:500;
}
.sec--navy .series-age,.sec--deep .series-age{color:var(--gold)}
.series-body h3{margin-bottom:.3rem}
.series-body p{font-size:.94rem;color:var(--muted);margin:0;max-width:58ch}
.sec--navy .series-body p,.sec--deep .series-body p{color:var(--muted-on-navy)}
.series-count{
  font-family:var(--mono);font-size:.75rem;color:var(--muted);
  white-space:nowrap;padding-top:.4rem;
}
.sec--navy .series-count,.sec--deep .series-count{color:var(--muted-on-navy)}
@media (max-width:720px){
  .series-row{grid-template-columns:1fr;gap:.5rem}
  .series-count{padding-top:0}
}

/* ---------- Catalog cards (signature element) ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(275px,1fr));
  gap:1.4rem;
}
.card{
  background:#fff;border:1px solid var(--rule);border-radius:4px;
  display:flex;flex-direction:column;overflow:hidden;
}
.card-cover{
  aspect-ratio:1/1.28;background:var(--cream-lift);
  border-bottom:1px solid var(--rule);position:relative;overflow:hidden;
}
.card-cover img{width:100%;height:100%;object-fit:cover}
.card-fallback{
  position:absolute;inset:0;display:none;flex-direction:column;justify-content:center;
  padding:1.4rem;background:var(--cream-lift);text-align:left;
}
.card-fallback .fb-title{font-family:var(--display);font-size:1.12rem;line-height:1.2;color:var(--navy)}
.card-fallback .fb-series{font-family:var(--mono);font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--terracotta);margin-bottom:.6rem}
.card-cover img[data-failed="1"]{display:none}
.card-cover img[data-failed="1"]+.card-fallback{display:flex}

.card-body{padding:1.05rem 1.15rem 1.15rem;display:flex;flex-direction:column;flex:1}
.card-title{font-family:var(--display);font-size:1.13rem;line-height:1.22;margin:0 0 .15rem;color:var(--navy)}
.card-sub{font-size:.86rem;color:var(--muted);margin:0 0 .85rem}

/* the catalog record: fixed bibliographic block */
.card-record{
  font-family:var(--mono);font-size:.72rem;line-height:1.65;
  border-top:1px dashed var(--rule);padding-top:.7rem;margin-top:auto;
  color:var(--muted);
}
.card-record div{display:flex;justify-content:space-between;gap:1rem}
.card-record dt,.card-record .k{letter-spacing:.08em;text-transform:uppercase;font-size:.64rem}
.card-record .v{color:var(--navy);text-align:right}
.card-actions{margin-top:.9rem}
.card-actions .btn{padding:.6rem 1.05rem;font-size:.85rem;width:100%;text-align:center}
.pending{
  display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted);border:1px dashed var(--rule);
  border-radius:6px;padding:.6rem;text-align:center;
}

/* ---------- Series block header inside catalog ---------- */
.series-head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1.1rem;
  border-bottom:2px solid var(--navy);padding-bottom:.7rem;margin-bottom:1.8rem;
}
.series-head h2{margin:0}
.series-head .meta{font-family:var(--mono);font-size:.75rem;color:var(--muted);letter-spacing:.04em}

/* ---------- Panels & grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(1.4rem,3vw,2.4rem)}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:clamp(1.3rem,3vw,2rem)}
.panel{
  background:#fff;border:1px solid var(--rule);border-radius:4px;padding:1.6rem 1.7rem;
}
.sec--navy .panel,.sec--deep .panel{background:var(--navy-lift);border-color:var(--rule-dark)}
.panel h3{margin-top:0}
.panel-num{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--terracotta);
  display:block;margin-bottom:.55rem;
}
.sec--navy .panel-num,.sec--deep .panel-num{color:var(--gold)}

/* ---------- Pricing table ---------- */
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:1.1rem;margin:2rem 0}
.tier{border:1px solid var(--rule);background:#fff;border-radius:4px;padding:1.4rem}
.tier.is-best{border-color:var(--terracotta);border-width:2px}
.tier .qty{font-family:var(--mono);font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:var(--terracotta)}
.tier .price{font-family:var(--display);font-size:2.1rem;line-height:1;margin:.45rem 0 .2rem;color:var(--navy)}
.tier .unit{font-size:.85rem;color:var(--muted)}

table.spec{width:100%;border-collapse:collapse;font-size:.92rem;margin:1.4rem 0}
table.spec th,table.spec td{text-align:left;padding:.72rem .9rem;border-bottom:1px solid var(--rule);vertical-align:top}
table.spec th{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);font-weight:500;border-bottom:2px solid var(--navy);
}
table.spec td:first-child{font-weight:600;white-space:nowrap}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- Definition list for terms ---------- */
.terms-dl{margin:0}
.terms-dl dt{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--terracotta);margin-top:1.3rem;
}
.terms-dl dt:first-child{margin-top:0}
.terms-dl dd{margin:.3rem 0 0}

/* ---------- Callout ---------- */
.callout{
  border-left:3px solid var(--terracotta);
  background:var(--cream-lift);
  padding:1.2rem 1.4rem;border-radius:0 4px 4px 0;margin:1.8rem 0;
}
.callout p{font-size:.95rem}

/* ---------- Footer ---------- */
.foot{background:var(--navy-deep);color:var(--muted-on-navy);padding:clamp(3rem,6vw,4.2rem) 0 2rem;font-size:.9rem}
.foot h4{color:var(--cream);font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 .9rem;font-weight:500}
.foot a{color:var(--muted-on-navy);text-decoration:none}
.foot a:hover{color:var(--gold);text-decoration:underline}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:.45rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem}
@media (max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-brand p{max-width:34ch;font-size:.88rem;margin-top:.9rem}
.foot-legal{
  border-top:1px solid var(--rule-dark);margin-top:2.4rem;padding-top:1.4rem;
  font-family:var(--mono);font-size:.7rem;line-height:1.8;letter-spacing:.02em;
}
.foot-legal p{margin:0 0 .5rem;max-width:none}

/* ---------- Misc ---------- */
.hr{height:1px;background:var(--rule);border:0;margin:0}
.sec--navy .hr,.sec--deep .hr{background:var(--rule-dark)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.chip{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;
  border:1px solid var(--rule);border-radius:999px;padding:.4rem .85rem;color:var(--muted);
}
.sec--navy .chip,.sec--deep .chip{border-color:var(--rule-dark);color:var(--muted-on-navy)}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.6rem;margin-top:1.6rem}
.stat .n{font-family:var(--display);font-size:2.4rem;line-height:1;color:var(--terracotta)}
.sec--navy .stat .n,.sec--deep .stat .n{color:var(--gold)}
.stat .l{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:.4rem}
.sec--navy .stat .l,.sec--deep .stat .l{color:var(--muted-on-navy)}

.foot-tag{
  font-family:var(--display);font-size:1.05rem;font-style:italic;
  color:var(--gold);margin:0 0 .5rem;
}

/* ---------- Collection / package block ---------- */
.setdeal{
  margin-top:1.6rem;display:grid;grid-template-columns:1.5fr 1fr;gap:0;
  border:2px solid var(--terracotta);border-radius:4px;overflow:hidden;background:#fff;
}
@media (max-width:760px){.setdeal{grid-template-columns:1fr}}
.setdeal-main{padding:1.6rem 1.7rem}
.setdeal-main h3{margin-top:0}
.setdeal-main .mono{display:block;margin-top:.9rem;color:var(--muted);line-height:1.7}
.setdeal-math{
  background:var(--navy);color:var(--cream);padding:1.6rem 1.7rem;
  display:flex;flex-direction:column;justify-content:center;gap:.15rem;
}
.setdeal-math .row{
  display:flex;justify-content:space-between;gap:1rem;
  font-family:var(--mono);font-size:.82rem;padding:.4rem 0;
  color:var(--muted-on-navy);
}
.setdeal-math .row .hi{color:var(--cream)}
.setdeal-math .row.total{
  border-top:1px solid var(--rule-dark);margin-top:.4rem;padding-top:.7rem;
  color:var(--gold);font-weight:500;
}
.setdeal-math .btn{margin-top:1.1rem;text-align:center}