/* Quire - field manuals for the AI age. Warm paper, ink, oxblood. */
:root{
  --paper:#F4F1EA; --paper-2:#EDE9DE; --surface:#FFFFFF;
  --ink:#1C1917; --muted:#6B6459; --muted-2:#98907F;
  --border:#DCD6C8; --border-strong:#C4BCA8;
  --a1:#A33B2E; --a1-dark:#7E2D23; --a1-soft:rgba(163,59,46,.09);
  --ok:#4A7A5A;
  --serif:'Fraunces',Georgia,serif;
  --text:'Newsreader',Georgia,serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --r:10px; --pill:999px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--text);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
::selection{background:var(--a1);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}

/* ---------- type ---------- */
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--a1);margin-bottom:14px}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.02em}
h1{font-size:clamp(40px,5.4vw,66px);line-height:1.04;font-weight:600}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.12}
h3{font-size:21px;line-height:1.25;letter-spacing:-.01em}
.lede{font-size:19px;color:var(--muted);line-height:1.6;max-width:56ch}
p{max-width:66ch}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(244,241,234,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.head-in{display:flex;align-items:center;justify-content:space-between;
  height:64px}
.brand{font-family:var(--serif);font-size:23px;font-weight:600;
  letter-spacing:-.02em;display:flex;align-items:baseline;gap:10px}
.brand .mark{width:13px;height:13px;background:var(--a1);
  border-radius:2px 2px 2px 0;align-self:center;transform:rotate(45deg)}
.brand small{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);font-weight:400}
.nav{display:flex;align-items:center;gap:26px;font-size:15px}
.nav a:not(.cta){color:var(--muted);transition:color .18s}
.nav a:not(.cta):hover{color:var(--ink)}
.cta{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;
  background:var(--ink);color:var(--paper);padding:9px 18px;
  border-radius:var(--pill);transition:transform .18s,background .18s}
.cta:hover{background:var(--a1);transform:translateY(-1px)}
@media(max-width:760px){.nav a:not(.cta){display:none}}

/* ---------- hero ---------- */
.hero{padding:84px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);
  gap:48px;align-items:center}
.hero h1 em{font-style:italic;color:var(--a1)}
.hero .lede{margin:22px 0 30px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);
  font-size:13px;letter-spacing:.05em;padding:13px 24px;border-radius:var(--pill);
  cursor:pointer;transition:transform .18s,background .18s,color .18s,
  border-color .18s;border:1px solid transparent}
.btn:active{transform:scale(.98)}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--a1)}
.btn-ghost{border-color:var(--border-strong);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.btn-accent{background:var(--a1);color:#fff}
.btn-accent:hover{background:var(--a1-dark)}
.hero-facts{display:flex;gap:28px;margin-top:38px;flex-wrap:wrap}
.fact{border-left:2px solid var(--border-strong);padding-left:14px}
.fact b{font-family:var(--serif);font-size:21px;display:block;line-height:1.15}
.fact span{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted)}
/* cover fan */
.fan{position:relative;height:480px;perspective:1200px}
.fan .bk{position:absolute;width:255px;border-radius:4px;overflow:hidden;
  box-shadow:0 1px 2px rgba(28,25,23,.14),0 14px 34px rgba(28,25,23,.16);
  transition:transform .25s ease;transform-style:preserve-3d;cursor:pointer}
.fan .bk img{width:100%}
.fan .bk:nth-child(1){left:2%;top:120px;transform:rotate(-7deg);z-index:1}
.fan .bk:nth-child(2){left:31%;top:52px;transform:rotate(1deg);z-index:3}
.fan .bk:nth-child(3){left:60%;top:118px;transform:rotate(8deg);z-index:2}
.fan .bk:nth-child(1):hover{transform:rotate(-7deg) translateY(-10px)}
.fan .bk:nth-child(2):hover{transform:rotate(1deg) translateY(-10px)}
.fan .bk:nth-child(3):hover{transform:rotate(8deg) translateY(-10px)}
.fan .free-tag{position:absolute;right:4%;bottom:8px;z-index:4;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  background:var(--paper);border:1px solid var(--border-strong);
  border-radius:var(--pill);padding:8px 16px;color:var(--muted)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}
  .fan{height:auto;display:flex;justify-content:center;align-items:flex-end;
    padding:26px 0 8px}
  .fan .bk{position:static;width:31%;max-width:118px;margin-left:-12px}
  .fan .bk:first-child{margin-left:0}
  .fan .bk:nth-child(1){transform:rotate(-6deg) translateY(8px)}
  .fan .bk:nth-child(2){transform:rotate(0) translateY(-10px);z-index:3}
  .fan .bk:nth-child(3){transform:rotate(6deg) translateY(8px)}
  .fan .bk:nth-child(1):hover{transform:rotate(-6deg) translateY(0)}
  .fan .bk:nth-child(2):hover{transform:rotate(0) translateY(-18px)}
  .fan .bk:nth-child(3):hover{transform:rotate(6deg) translateY(0)}
  .fan .free-tag{position:static;margin:20px auto 0}}

/* ---------- sections ---------- */
section{padding:96px 0}
.sec-head{margin-bottom:44px;max-width:640px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:17.5px}
.tint{background:var(--paper-2);border-top:1px solid var(--border);
  border-bottom:1px solid var(--border)}

/* book rows */
.book-row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--border)}
.book-row:first-of-type{border-top:0}
.book-row.flip{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.book-row.flip .cover-side{order:2}
.cover-side .tilt{max-width:300px;margin:0 auto;perspective:900px}
.cover-side .tilt img{border-radius:4px;box-shadow:0 1px 2px rgba(28,25,23,.13),
  0 18px 44px rgba(28,25,23,.17);transition:transform .2s ease;
  transform:rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg))}
.cover-meta{display:flex;gap:10px;margin:18px 0 0;justify-content:center;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted)}
.cover-meta span{border:1px solid var(--border-strong);border-radius:var(--pill);
  padding:5px 12px}
.info-side .num{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  color:var(--a1);text-transform:uppercase;margin-bottom:10px;display:block}
.info-side h3{font-size:clamp(26px,3vw,34px);margin-bottom:6px}
.info-side .sub{font-style:italic;color:var(--muted);font-size:18px;
  margin-bottom:18px}
.info-side p.desc{margin-bottom:20px}
.toc-line{font-family:var(--mono);font-size:12px;color:var(--muted);
  line-height:2;margin-bottom:24px;max-width:52ch}
.toc-line b{color:var(--ink);font-weight:500}
.price-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.price{font-family:var(--serif);font-size:26px}
.price s{color:var(--muted-2);font-size:19px;margin-left:6px}
.look-inside{font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--a1);border-bottom:1px solid var(--a1-soft);padding-bottom:2px}
.look-inside:hover{border-color:var(--a1)}
@media(max-width:900px){.book-row,.book-row.flip{grid-template-columns:1fr}
  .book-row.flip .cover-side{order:0}.cover-side .tilt{max-width:240px}}

/* bundle builder */
.bundle{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;align-items:start}
.pick-list{display:flex;flex-direction:column}
.pick{display:flex;align-items:center;gap:18px;padding:20px 4px;
  border-top:1px solid var(--border);cursor:pointer;user-select:none;
  transition:background .18s}
.pick:last-child{border-bottom:1px solid var(--border)}
.pick:hover{background:rgba(255,255,255,.55)}
.pick input{appearance:none;width:22px;height:22px;border:1.5px solid
  var(--border-strong);border-radius:5px;cursor:pointer;position:relative;
  flex-shrink:0;transition:background .15s,border-color .15s}
.pick input:checked{background:var(--a1);border-color:var(--a1)}
.pick input:checked::after{content:'';position:absolute;left:7px;top:3.5px;
  width:5px;height:10px;border:solid #fff;border-width:0 2px 2px 0;
  transform:rotate(45deg)}
.pick img{width:46px;border-radius:2px;box-shadow:0 2px 8px rgba(28,25,23,.14)}
.pick .t{flex:1}.pick .t b{font-family:var(--serif);font-weight:600;font-size:17px}
.pick .t span{display:block;font-family:var(--mono);font-size:11px;
  color:var(--muted);letter-spacing:.06em}
.pick .p{font-family:var(--mono);font-size:14px}
.pick .p s{color:var(--muted-2);margin-right:8px}
.tally{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r);padding:30px;position:sticky;top:88px}
.tally .row{display:flex;justify-content:space-between;font-size:15px;
  padding:7px 0;color:var(--muted)}
.tally .row b{color:var(--ink);font-weight:500;font-family:var(--mono)}
.tally .total{display:flex;justify-content:space-between;align-items:baseline;
  border-top:1px solid var(--border);margin-top:12px;padding-top:16px}
.tally .total .lab{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted)}
.tally .total .amt{font-family:var(--serif);font-size:34px}
.tally .save{color:var(--ok);font-family:var(--mono);font-size:12px;
  margin-left:10px}
.tally .btn{width:100%;justify-content:center;margin-top:18px}
.tally .note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.5}
@media(max-width:900px){.bundle{grid-template-columns:1fr}
  .tally{position:static}}

/* how it works */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);
  gap:0}
.step{padding:8px 32px 8px 0;counter-increment:step}
.step+.step{border-left:1px solid var(--border);padding-left:32px}
.step::before{content:counter(step,decimal-leading-zero);font-family:var(--mono);
  font-size:13px;color:var(--a1);letter-spacing:.12em;display:block;margin-bottom:12px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:15px;color:var(--muted)}
@media(max-width:820px){.steps{grid-template-columns:1fr}
  .step+.step{border-left:0;padding-left:0;border-top:1px solid var(--border);
    margin-top:20px;padding-top:20px}}

/* free guide strip */
.free-strip{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:48px;align-items:center}
.free-strip .cover-side .tilt{max-width:250px}
@media(max-width:900px){.free-strip{grid-template-columns:1fr}}

/* unlock + faq */
.unlock-box{max-width:560px;margin:0 auto;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r);padding:32px}
.unlock-row{display:flex;gap:10px;flex-wrap:wrap}
.unlock-row input{flex:1;min-width:220px;background:var(--paper);
  border:1px solid var(--border-strong);border-radius:var(--pill);
  padding:12px 20px;font-family:var(--mono);font-size:13px;color:var(--ink)}
.unlock-row input:focus{outline:none;border-color:var(--a1)}
#unlockMsg{font-family:var(--mono);font-size:12px;margin-top:14px;min-height:16px}
#unlockMsg.ok{color:var(--ok)}#unlockMsg.err{color:var(--a1)}
.dl-list{display:none;flex-direction:column;gap:8px;margin-top:18px}
.dl-list a{font-family:var(--mono);font-size:12.5px;padding:12px 16px;
  border:1px solid var(--border-strong);border-radius:var(--r);
  display:flex;justify-content:space-between;transition:border-color .18s}
.dl-list a:hover{border-color:var(--a1);color:var(--a1)}
.dl-list a span{color:var(--muted)}
.faq{max-width:720px}
.faq .item{border-top:1px solid var(--border);padding:22px 0}
.faq .item:last-child{border-bottom:1px solid var(--border)}
.faq h3{font-size:17.5px;margin-bottom:8px}
.faq p{color:var(--muted);font-size:15.5px}

/* pay panel (modal) */
.modal{position:fixed;inset:0;background:rgba(28,25,23,.44);z-index:100;
  display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-card{background:var(--paper);border-radius:var(--r);max-width:640px;
  width:100%;max-height:88vh;overflow:auto;position:relative;
  padding:40px 40px 36px}
.modal-x{position:absolute;top:16px;right:18px;font-family:var(--mono);
  font-size:16px;background:none;border:0;cursor:pointer;color:var(--muted)}
.modal-card h3{font-size:26px;margin-bottom:4px}
.modal-card .msub{font-style:italic;color:var(--muted);margin-bottom:22px}
.wallet-line{font-family:var(--mono);font-size:12.5px;background:var(--surface);
  border:1px solid var(--border-strong);border-radius:var(--r);padding:14px 16px;
  word-break:break-all;cursor:pointer;margin:10px 0 4px}
.copy-hint{font-family:var(--mono);font-size:10.5px;color:var(--muted-2)}
.pay-grid{display:grid;grid-template-columns:1fr 200px;gap:26px;
  align-items:start}
.pay-grid img{border-radius:var(--r);border:1px solid var(--border-strong)}
.pay-steps p{font-size:15px;margin-bottom:12px}
.pay-steps code{font-family:var(--mono);font-size:12.5px;color:var(--a1)}
@media(max-width:560px){.pay-grid{grid-template-columns:1fr}
  .pay-grid img{max-width:200px}}

/* ---------- reader (read.html) ---------- */
.reader-shell{min-height:100vh;display:flex;flex-direction:column;
  background:var(--paper-2)}
.reader-bar{display:flex;align-items:center;justify-content:space-between;
  height:60px;border-bottom:1px solid var(--border);background:var(--paper);
  padding:0 24px;position:sticky;top:0;z-index:20}
.reader-bar .rb-title{font-family:var(--serif);font-size:17px;font-weight:600}
.reader-bar .rb-title small{font-family:var(--mono);font-size:10px;
  letter-spacing:.12em;color:var(--a1);text-transform:uppercase;
  display:block;margin-top:1px}
.reader-nav{display:flex;gap:8px;align-items:center;font-family:var(--mono);
  font-size:11px;color:var(--muted)}
.reader-nav button{border:1px solid var(--border-strong);background:var(--surface);
  border-radius:var(--pill);width:34px;height:34px;cursor:pointer;font-size:15px;
  line-height:1;transition:all .18s;color:var(--ink)}
.reader-nav button:hover:not(:disabled){background:var(--ink);color:var(--paper);
  border-color:var(--ink)}
.reader-nav button:disabled{opacity:.35;cursor:default}
.reader-stage{flex:1;display:flex;align-items:center;justify-content:center;
  padding:40px 20px 90px;perspective:1600px}
.spread{position:relative;width:min(920px,94vw);aspect-ratio:16/10.4;
  display:grid;grid-template-columns:1fr 1fr}
.page{background:#FBF9F3;border:1px solid var(--border);border-radius:3px 8px 8px 3px;
  padding:clamp(24px,4vw,52px);position:relative;overflow:hidden;
  box-shadow:inset 0 0 60px rgba(120,105,75,.05)}
.page.left{border-radius:8px 3px 3px 8px;border-right:0;
  box-shadow:inset -30px 0 50px -30px rgba(120,105,75,.14)}
.page.right{border-left:0;box-shadow:inset 30px 0 50px -30px rgba(120,105,75,.14)}
.page .pnum{position:absolute;bottom:16px;font-family:var(--mono);font-size:10px;
  color:var(--muted-2);letter-spacing:.12em}
.page.left .pnum{left:22px}.page.right .pnum{right:22px}
.page .pcontent{font-family:var(--text);font-size:clamp(13.5px,1.55vw,16.5px);
  line-height:1.68;color:#26221D;height:100%;overflow:hidden}
.page .pcontent h4{font-family:var(--serif);font-size:clamp(19px,2.2vw,26px);
  letter-spacing:-.015em;margin-bottom:4px}
.page .pcontent .pk{font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--a1);margin-bottom:14px}
.page .pcontent p{margin-bottom:13px;max-width:none}
.page .pcontent p:first-of-type::first-letter{font-family:var(--serif);
  font-size:2.9em;float:left;line-height:.86;padding:4px 8px 0 0;color:var(--a1)}
.spread{transform-style:preserve-3d}
.spread.flip-next{animation:flipNext .55s ease forwards}
.spread.flip-prev{animation:flipPrev .55s ease forwards}
@keyframes flipNext{0%{transform:rotateY(0)}50%{transform:rotateY(-9deg) scale(.985)}
  100%{transform:rotateY(0)}}
@keyframes flipPrev{0%{transform:rotateY(0)}50%{transform:rotateY(9deg) scale(.985)}
  100%{transform:rotateY(0)}}
.reader-cta{position:fixed;bottom:0;left:0;right:0;background:var(--ink);
  color:var(--paper);display:flex;align-items:center;justify-content:center;
  gap:22px;padding:15px 20px;z-index:30;flex-wrap:wrap}
.reader-cta span{font-family:var(--mono);font-size:12px;letter-spacing:.08em}
.reader-cta .btn{padding:10px 20px}
@media(max-width:720px){.spread{aspect-ratio:auto;display:flex;
  flex-direction:column;gap:2px}.page.left{border-radius:8px 8px 0 0}
  .page.right{border-radius:0 0 8px 8px;min-height:46vh}
  .page .pcontent{font-size:14px}}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--border);padding:44px 0 60px;
  background:var(--paper)}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  align-items:baseline}
.foot-in .fl{font-family:var(--serif);font-size:20px;font-weight:600}
.foot-links{display:flex;gap:22px;font-family:var(--mono);font-size:12px;
  color:var(--muted);letter-spacing:.05em}
.foot-links a:hover{color:var(--a1)}
.foot-note{margin-top:18px;font-family:var(--mono);font-size:11px;
  color:var(--muted-2);letter-spacing:.03em}

/* reveals */
.rv{opacity:0;transform:translateY(14px)}
@supports (animation-timeline:view()){
  .rv{animation:rise .7s ease forwards;animation-timeline:view();
    animation-range:entry 0% entry 55%}
  @keyframes rise{to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;animation:none!important}
  *{transition:none!important;scroll-behavior:auto}
}