/* ── Quick-quote mini calculator ─────────────────────────────────────
   Shared component: book-printing-services/index.php + hardback.php
   (and any future money page). Markup contract:

     <form class="qq" data-qq [data-format="hardback:case"]>
       <div class="qq-fields">
         <div class="qq-field"> <span class="qq-label">…</span> <select|input|.qq-static> </div>
         …
       </div>
       <div class="qq-result">
         <div class="qq-price">
           <span class="qq-amount">…</span><span class="qq-per">per copy</span>
           <span class="qq-meta">…</span>
         </div>
         <div class="qq-cta"> <a class="btn-primary">…</a> <span class="qq-more">…</span> </div>
       </div>
     </form>

   Logic lives in /assets/js/quick-quote.js. Relies on the base.css
   custom properties (--fd, --fb, --ink, --mute, --red, --rule-lt). */

/* ── The stage: paper section with a ghosted giant £ drifting behind
   the card (editorial watermark, not a dark slab — the page hero is
   already ink, so this section stays light and lets the card carry
   the drama). Add `qq-band` alongside page-section on the <section>. ── */
.qq-band{background:var(--paper);position:relative;overflow:hidden}
/* Watermark anchors just off the card's right edge (card = 980px wide,
   centred), so the composition holds at any viewport width. */
/* Both flanks anchor to the CARD (980px, centred) and share a
   baseline ~215px below the section's vertical centre — the £ sits
   just off the card's right edge, the grove just off its left. */
.qq-band::before{
  content:'£';position:absolute;left:calc(50% + 520px);bottom:calc(50% - 215px);
  font-family:var(--fd);font-style:italic;font-weight:300;
  font-size:clamp(260px,24vw,400px);line-height:.8;
  color:rgba(26,21,18,.05);pointer-events:none;
  animation:qqDrift 18s ease-in-out infinite alternate;
}
@media(max-width:1479px){.qq-band::before{display:none}}
@keyframes qqDrift{from{transform:translateY(-6px)}to{transform:translateY(8px)}}
.qq-band>*{position:relative;z-index:1}

.qq{
  max-width:980px;margin:40px auto 0;background:#fff;
  border:.5px solid var(--rule-lt);border-top:3px solid var(--red);
  box-shadow:0 24px 60px -28px rgba(26,21,18,.3);
}

/* ── Staggered entrance: fields cascade in once the site's reveal
   observer marks the form .visible, then chips, then the result. ── */
.qq.reveal .qq-field{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.qq.reveal.visible .qq-field{opacity:1;transform:none}
.qq.reveal.visible .qq-field:nth-child(2){transition-delay:.06s}
.qq.reveal.visible .qq-field:nth-child(3){transition-delay:.12s}
.qq.reveal.visible .qq-field:nth-child(4){transition-delay:.18s}
.qq.reveal.visible .qq-field:nth-child(5){transition-delay:.24s}
.qq.reveal.visible .qq-field:nth-child(6){transition-delay:.30s}
.qq.reveal .qq-qtys,.qq.reveal .qq-result{opacity:0;transition:opacity .6s var(--ease)}
.qq.reveal.visible .qq-qtys{opacity:1;transition-delay:.4s}
.qq.reveal.visible .qq-result{opacity:1;transition-delay:.55s}

/* ── Fields strip (paper gets the widest column — longest labels) ── */
.qq-fields{display:grid;grid-template-columns:1.05fr .95fr .8fr 1.05fr 1.3fr .85fr;border-bottom:.5px solid var(--rule-lt)}
.qq-field{position:relative;padding:20px 22px 18px;border-right:.5px solid var(--rule-lt);transition:background .15s}
.qq-field:last-child{border-right:none}
.qq-field:hover{background:rgba(167,1,42,.018)}
/* focus underline draws in from the left */
.qq-field::after{content:'';position:absolute;left:0;right:0;bottom:-.5px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.qq-field:focus-within::after{transform:scaleX(1)}
.qq-label{display:block;font-family:var(--fb);font-size:9.5px;letter-spacing:2px;text-transform:uppercase;color:#999;font-weight:600;margin-bottom:8px}
.qq-field select,.qq-field input{width:100%;border:0;background:transparent;font-family:var(--fb);font-size:15px;font-weight:600;color:var(--ink);padding:0;outline:0;cursor:pointer}
.qq-field select{padding-right:4px;text-overflow:ellipsis;white-space:nowrap}
.qq-field input{cursor:text}
.qq-field input::-webkit-outer-spin-button,.qq-field input::-webkit-inner-spin-button{opacity:1}
.qq-static{font-family:var(--fb);font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap}

/* ── Quick-quantity chips: tap along the price curve ── */
.qq-qtys{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:16px 32px;border-bottom:.5px solid var(--rule-lt)}
.qq-qtys-label{font-family:var(--fb);font-size:9.5px;letter-spacing:2px;text-transform:uppercase;color:#999;font-weight:600;margin-right:8px}
.qq-chip{
  display:inline-flex;flex-direction:column;align-items:center;gap:1px;
  font-family:var(--fb);font-size:13.5px;font-weight:600;color:var(--ink);
  background:transparent;border:.5px solid var(--rule-lt);border-radius:12px;
  padding:8px 15px 7px;cursor:pointer;min-width:74px;line-height:1.2;
  transition:border-color .15s,color .15s,background .15s,transform .12s;
}
.qq-chip:hover{border-color:rgba(167,1,42,.5);color:var(--red)}
.qq-chip:active{transform:scale(.93)}
@keyframes qqPop{0%{transform:scale(1)}45%{transform:scale(1.06)}100%{transform:scale(1)}}
.qq-chip.on{background:var(--red);border-color:var(--red);color:#fff;animation:qqPop .25s ease}
/* live per-copy price under each quantity — the chips ARE the price
   curve for the visitor's exact spec (JS injects + refreshes these) */
.qq-chip-p{font-size:10.5px;font-weight:600;color:var(--mute);font-variant-numeric:tabular-nums;transition:opacity .2s}
.qq-chip.on .qq-chip-p{color:rgba(255,255,255,.85)}
.qq.is-curving .qq-chip-p{opacity:.35}

/* ── Result row: the price is the hero ── */
.qq-result{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:28px 32px 30px;flex-wrap:wrap}
.qq-price{min-height:88px;max-width:330px} /* lets the meta line wrap so price | stack | CTA share the row */
.qq-amount{
  display:inline-block;font-family:var(--fd);font-size:64px;font-weight:400;
  line-height:1;color:var(--ink);letter-spacing:-1.8px;
  font-variant-numeric:lining-nums tabular-nums;
  font-feature-settings:"lnum" 1,"tnum" 1; /* money gets lining figures, not old-style */
  transition:opacity .2s ease;
}
.qq.is-pricing .qq-amount{opacity:.3}
.qq-per{font-family:var(--fb);font-size:10.5px;letter-spacing:1.8px;text-transform:uppercase;color:var(--mute);font-weight:600;margin-left:12px}
.qq-meta{display:block;font-family:var(--fb);font-size:13px;color:var(--mute);line-height:1.6;margin-top:9px}
.qq-meta strong{color:var(--ink);font-weight:600}
.qq-meta.err{color:var(--red)}
.qq-cta{text-align:right}
.qq-more{display:block;font-family:var(--fb);font-size:11.5px;color:var(--mute);letter-spacing:.2px;margin-top:10px}

/* ── The stack: the visitor's run, visualised (injected by JS).
   Book thickness follows page count & paper caliper, footprint
   follows trim size; books drop in as the quantity grows. ── */
.qq-stack{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;min-width:190px;padding:0 10px}
.qq-stack-books{display:flex;align-items:flex-end;justify-content:center;min-height:124px}
.qq-pile{display:flex;flex-direction:column-reverse;align-items:center;position:relative}
.qq-pile + .qq-pile{margin-left:-16px} /* piles lean into each other like a real heap */
.qq-pile.main{z-index:2}
.qq-pile.side{z-index:1;filter:brightness(.965) saturate(.92)}
.qq-book{border-radius:1.5px;box-shadow:0 1px 1px rgba(0,0,0,.16);margin-top:2px}
.qq-book.drop{animation:qqDrop .32s cubic-bezier(.2,.7,.3,1.15) backwards}
@keyframes qqDrop{from{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:none}}
.qq-stack-shelf{width:170px;height:2px;background:rgba(26,21,18,.2);border-radius:1px;margin-top:4px;box-shadow:0 6px 10px -4px rgba(26,21,18,.25)}
.qq-stack-cap{font-family:var(--fb);font-size:11px;color:var(--mute);letter-spacing:.3px;margin-top:9px;text-align:center}
.qq-stack-cap strong{color:var(--ink);font-weight:600;font-variant-numeric:lining-nums tabular-nums}
@media(max-width:1023px){.qq-stack{display:none}}
@media(prefers-reduced-motion:reduce){.qq-book.drop{animation:none}}

/* ── Order-by countdown: live ticking deadline + delivery date that
   re-computes with the visitor's format & quantity (injected by JS) ── */
.qq-deadline{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 32px;border-top:.5px solid var(--rule-lt);background:rgba(167,1,42,.025);flex-wrap:wrap}
.qq-deadline-left{display:flex;align-items:center;gap:12px}
.qq-deadline-dot{width:8px;height:8px;border-radius:50%;background:var(--red);flex-shrink:0;animation:qqPulse 1.8s ease-in-out infinite}
@keyframes qqPulse{0%,100%{box-shadow:0 0 0 0 rgba(167,1,42,.35);opacity:1}50%{box-shadow:0 0 0 7px rgba(167,1,42,0);opacity:.7}}
.qq-deadline-txt{font-family:var(--fb);font-size:13.5px;color:#3a3a3a;line-height:1.55}
.qq-deadline-txt strong{color:var(--ink);font-weight:600;font-variant-numeric:lining-nums tabular-nums}
.qq-deadline-txt .qq-count{color:var(--red)}
.qq-date{transition:opacity .2s}
.qq-date.qq-date-tick{animation:qqTickIn .3s ease}
@keyframes qqTickIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media(max-width:640px){.qq-deadline{padding:13px 20px}}
@media(prefers-reduced-motion:reduce){.qq-deadline-dot{animation:none}.qq-date.qq-date-tick{animation:none}}

/* ── Tree-planting toggle + the trees that sprout beside the heap ── */
.qq-eco{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--fb);font-size:12px;font-weight:600;color:#4d6647;
  background:transparent;border:.5px solid rgba(77,102,71,.45);border-radius:999px;
  padding:7px 14px;cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .12s;
}
.qq-eco svg{width:13px;height:16px;flex-shrink:0}
.qq-eco:hover{border-color:#4d6647;background:rgba(77,102,71,.06)}
.qq-eco:active{transform:scale(.96)}
.qq-eco.on{background:#4d6647;border-color:#4d6647;color:#fff}
.qq-eco.on svg path{fill:#fff}
.qq-eco.on svg rect{fill:rgba(255,255,255,.7)}
/* The grove lives in the section background, left of the card —
   mirroring the £ watermark on the right. */
.qq-grove{position:absolute;right:calc(50% + 515px);bottom:calc(50% - 215px);display:flex;align-items:flex-end;gap:12px;pointer-events:none;opacity:.7;filter:saturate(.85)}
.qq-tree{transform-origin:bottom center;display:inline-block}
.qq-tree svg{display:block;width:100%;height:auto}
.qq-tree.sprout{animation:qqSprout .5s cubic-bezier(.3,1.6,.4,1) backwards}
@keyframes qqSprout{from{transform:scale(0)}to{transform:scale(1)}}
@media(max-width:1599px){.qq-grove{display:none}} /* the grove is wider than the £ — needs more side room */
@media(prefers-reduced-motion:reduce){.qq-tree.sprout{animation:none}}

/* ── Responsive ── */
@media(max-width:1024px){
  .qq-fields{grid-template-columns:repeat(3,1fr)}
  .qq-field{border-bottom:.5px solid var(--rule-lt)}
}
@media(max-width:640px){
  .qq-fields{grid-template-columns:repeat(2,1fr)}
  .qq-qtys{padding:14px 20px}
  .qq-chip{padding:6px 13px;font-size:12.5px}
  .qq-result{flex-direction:column;align-items:flex-start;gap:20px;padding:22px 20px 24px}
  .qq-cta{text-align:left}
  .qq-amount{font-size:48px}
}

/* ── Paper-journey embed strip ───────────────────────────────────────
   The cut-down provenance teaser for money pages: a miniature route
   (forest → mill → sea → depot → book) that draws itself on reveal,
   linking to /paper-journey. quick-quote.js points the link at the
   currently selected stock's story when a calculator is on the page. */
.pj-strip{display:flex;align-items:center;gap:22px;max-width:980px;margin:26px auto 0;padding:14px 24px;background:#fffdf8;border:.5px solid var(--rule-lt);border-left:3px solid #5d7a55;text-decoration:none;transition:border-color .15s,box-shadow .15s}
.pj-strip:hover{border-color:rgba(167,1,42,.35);box-shadow:0 12px 28px -18px rgba(26,21,18,.35)}
.pj-strip svg{flex-shrink:0;width:280px;height:40px}
.pj-strip-txt{font-family:var(--fb);font-size:13.5px;color:#3a3a3a;line-height:1.55}
.pj-strip-txt strong{color:var(--ink)}
.pj-strip-arrow{margin-left:auto;font-family:var(--fb);font-size:12.5px;font-weight:600;color:var(--red);white-space:nowrap}
.pj-strip .rt{fill:none;stroke:var(--red);stroke-width:1.6;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 2.2s ease .3s}
.pj-strip.reveal.visible .rt{stroke-dashoffset:0}
.pj-strip .sg{fill:#5d7a55}
.pj-strip .sb{fill:#8a7f6d}
.pj-strip .sr{fill:var(--red)}
.pj-strip .sw{fill:none;stroke:#8a7f6d;stroke-width:1.2;stroke-linecap:round}
@media(max-width:860px){.pj-strip svg{display:none}}
@media(prefers-reduced-motion:reduce){.pj-strip .rt{transition:none;stroke-dashoffset:0}}

@media(prefers-reduced-motion:reduce){
  .qq-band::before{animation:none;transform:translateY(-52%)}
  .qq.reveal .qq-field,.qq.reveal .qq-qtys,.qq.reveal .qq-result{opacity:1;transform:none;transition:none}
  .qq-chip.on{animation:none}
}