:root{
  /* Paleta editorial cálida: papel/crema + burdeos + verde inglés + dorado suave */
  --paper:#f7f1e6; --paper-2:#fbf7ee; --panel:#fffdf9; --ink:#2c241c; --muted:#7c6d5a;
  --line:#e7dcc8; --line-2:#efe6d5;
  --wine:#7a2230; --wine-deep:#5e1824; --wine-soft:#f3e2df;
  --forest:#22513f; --forest-soft:#e0eae2;
  --gold:#b0863a; --gold-deep:#916b27; --gold-soft:#f4e8cd;
  --amz:#8a3a1f; --amz-deep:#6f2c14;
  /* Tipografía */
  --f-display:"Fraunces",Georgia,"Times New Roman",serif;
  --f-title:"Space Grotesk",system-ui,sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  /* Escala */
  --s-1:.25rem; --s-2:.5rem; --s-3:.75rem; --s-4:1rem; --s-5:1.5rem; --s-6:2rem; --s-7:3rem; --s-8:4.5rem;
  --r-sm:8px; --r:13px; --r-lg:20px; --r-pill:999px;
  --sh-sm:0 1px 2px rgba(70,45,20,.05),0 2px 8px rgba(70,45,20,.05);
  --sh:0 14px 34px -16px rgba(70,45,20,.30);
  --sh-lg:0 26px 60px -22px rgba(70,45,20,.38);
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--f-body);color:var(--ink);background:var(--paper-2);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
.ic{width:1em;height:1em;vertical-align:-.14em;flex:0 0 auto}
a{color:var(--wine);text-decoration:none}
a:hover{color:var(--wine-deep)}
::selection{background:var(--wine);color:#fff}
:focus-visible{outline:2.5px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ---------- Barra superior ---------- */
.topbar{position:sticky;top:0;z-index:40;background:rgba(251,247,238,.85);
  backdrop-filter:saturate(1.3) blur(9px);border-bottom:1px solid var(--line)}
.topbar .in{max-width:var(--maxw);margin:0 auto;padding:.7rem 1.4rem;display:flex;
  align-items:center;justify-content:space-between;gap:1rem}
.wordmark{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink)}
.wordmark .mk{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:var(--wine);color:var(--gold-soft);flex:0 0 auto}
.wordmark .mk svg{width:22px;height:22px}
.wm-text{display:flex;flex-direction:column;line-height:1.12}
.wm-text b{font-family:var(--f-title);font-weight:700;font-size:1.06rem;letter-spacing:-.01em}
.wm-text em{font-style:normal;color:var(--wine)}
.wm-text small{color:var(--muted);font-size:.72rem;letter-spacing:.02em}
.topnav{display:flex;gap:.3rem}
.topnav a{font-family:var(--f-title);font-weight:600;font-size:.9rem;color:var(--ink);
  padding:.45rem .85rem;border-radius:var(--r-pill);transition:background .18s,color .18s}
.topnav a:hover{background:var(--wine-soft);color:var(--wine-deep)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--wine-deep);color:#f4e7de}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(120% 95% at 85% -15%,rgba(176,134,58,.30),transparent 55%),
  radial-gradient(85% 75% at 6% 120%,rgba(34,81,63,.40),transparent 60%);pointer-events:none}
.hero .in{position:relative;max-width:var(--maxw);margin:0 auto;
  padding:clamp(2.8rem,6vw,4.8rem) 1.4rem clamp(3.6rem,7vw,5.4rem);max-width:900px}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--f-title);
  font-weight:600;font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-soft)}
.eyebrow::before{content:"";width:28px;height:1.5px;background:var(--gold)}
.hero h1{font-family:var(--f-display);font-weight:600;font-size:clamp(2.2rem,5.8vw,3.7rem);
  line-height:1.03;letter-spacing:-.015em;margin:1.1rem 0 0;max-width:20ch}
.hero h1 em{font-style:italic;color:#f0d9a0}
.hero .lead{margin:1.3rem 0 0;max-width:56ch;font-size:1.14rem;color:#e6d3c7}
.hero .cues{margin:1.8rem 0 0;display:flex;flex-wrap:wrap;gap:.55rem;list-style:none;padding:0}
.hero .cues li{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--f-title);
  font-size:.82rem;font-weight:500;color:#f3e6dc;background:rgba(255,255,255,.08);
  border:1px solid rgba(240,217,160,.28);padding:.34rem .8rem;border-radius:var(--r-pill)}
.hero .cues .ic{color:#f0d9a0}
.hero .rule{position:absolute;left:0;right:0;bottom:-1px;height:14px;
  background:repeating-linear-gradient(90deg,var(--paper-2) 0 22px,transparent 22px 30px)}

/* ---------- Layout general ---------- */
main{max-width:var(--maxw);margin:0 auto;padding:0 1.4rem}

/* ---------- Colección ---------- */
.collection{padding:clamp(2.4rem,5vw,3.6rem) 0 1rem}
.collection + .collection{border-top:1px solid var(--line)}
.collection-head{display:flex;align-items:flex-start;gap:1rem;max-width:66ch;margin:0 0 1.9rem}
.col-badge{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;flex:0 0 auto}
.col-badge svg{width:24px;height:24px}
.sec-num{font-family:var(--f-title);font-size:.74rem;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;display:inline-flex;align-items:center;gap:.55rem}
.sec-num::after{content:"";flex:1;height:1px;background:var(--line);min-width:34px}
.collection-head h2{font-family:var(--f-display);font-weight:600;font-size:clamp(1.55rem,3.6vw,2.2rem);
  line-height:1.08;letter-spacing:-.01em;margin:.35rem 0 .45rem;color:var(--ink)}
.collection-head .blurb{margin:0;color:var(--muted);font-size:1.03rem}

/* colores de acento por colección */
.acc-forest{--acc:var(--forest);--acc-soft:var(--forest-soft)}
.acc-wine{--acc:var(--wine);--acc-soft:var(--wine-soft)}
.acc-gold{--acc:var(--gold-deep);--acc-soft:var(--gold-soft)}
.col-badge.acc-forest,.col-badge.acc-wine,.col-badge.acc-gold{background:var(--acc-soft);color:var(--acc)}
.sec-num.acc-forest,.sec-num.acc-wine,.sec-num.acc-gold{color:var(--acc)}

/* ---------- Rejilla de libros ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1.6rem 1.4rem}
.card{position:relative;display:flex;flex-direction:column;gap:.9rem;background:transparent}
.card-cover{display:block;border-radius:4px 8px 8px 4px;overflow:hidden;
  box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;
  border-left:3px solid rgba(120,90,50,.18);background:#efe7d8}
.card-cover img{width:100%;height:auto;transition:transform .5s ease}
.card:hover .card-cover{transform:translateY(-5px) rotate(-.5deg);box-shadow:var(--sh-lg)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;gap:.45rem;flex:1}
.card-body h3{margin:0;font-family:var(--f-display);font-weight:600;font-size:1.08rem;
  line-height:1.24;letter-spacing:-.01em}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--acc,var(--wine))}
.card-desc{margin:0;color:var(--muted);font-size:.9rem;line-height:1.5;flex:1}
.card-actions{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-top:.25rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  padding:.5rem .9rem;border-radius:var(--r-pill);font-family:var(--f-title);font-weight:600;
  font-size:.86rem;text-align:center;cursor:pointer;border:1.5px solid transparent;
  transition:background .18s,color .18s,border-color .18s,transform .12s,box-shadow .18s}
.btn:active{transform:translateY(1px)}
.btn-buy{background:var(--amz);color:#fff8f3;box-shadow:0 8px 16px -9px rgba(138,58,31,.75)}
.btn-buy:hover{background:var(--amz-deep);color:#fff}
.btn-buy .ic{width:1.05em;height:1.05em}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--paper);border-color:var(--muted);color:var(--wine-deep)}

/* ---------- Página de libro ---------- */
.crumbs{font-family:var(--f-title);font-size:.82rem;color:var(--muted);
  padding:1.4rem 0 .2rem;display:flex;gap:.4rem;flex-wrap:wrap;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--wine)}
.crumbs .sep{opacity:.5}
.book{display:grid;grid-template-columns:320px 1fr;gap:clamp(1.6rem,4vw,3.2rem);
  align-items:start;margin:1rem 0 1rem}
.book-cover{position:sticky;top:88px}
.book-cover img{width:100%;border-radius:4px 10px 10px 4px;
  box-shadow:var(--sh-lg);border-left:4px solid rgba(120,90,50,.20)}
.book-info .kicker{font-family:var(--f-title);font-size:.74rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--acc,var(--wine));
  display:inline-flex;align-items:center;gap:.5rem}
.book-info .kicker .ic{width:1.15em;height:1.15em}
.book-info h1{font-family:var(--f-display);font-weight:600;font-size:clamp(1.7rem,4vw,2.6rem);
  line-height:1.06;letter-spacing:-.015em;margin:.7rem 0 .4rem;color:var(--ink)}
.book-info .subtitle{color:var(--muted);font-size:1.1rem;margin:0 0 1rem;font-family:var(--f-display);
  font-style:italic;font-weight:500}
.book-info .byline{font-family:var(--f-title);font-size:.9rem;color:var(--muted);
  margin:0 0 1.4rem;display:flex;align-items:center;gap:.5rem}
.book-info .byline b{color:var(--ink);font-weight:600}
.buybar{display:flex;flex-wrap:wrap;align-items:center;gap:.8rem 1rem;margin:0 0 1.6rem}
.buybar .btn-buy{font-size:1rem;padding:.8rem 1.6rem}
.buybar .note{font-size:.82rem;color:var(--muted);max-width:22ch}
.desc{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(1.3rem,3vw,2rem);box-shadow:var(--sh-sm);position:relative}
.desc::before{content:"";position:absolute;left:0;top:1.6rem;bottom:1.6rem;width:3px;
  border-radius:3px;background:var(--acc,var(--wine));opacity:.5}
.desc h2,.desc h3{font-family:var(--f-title);font-weight:600;color:var(--wine-deep);
  letter-spacing:-.01em;margin:1.4rem 0 .5rem}
.desc h2:first-child,.desc h3:first-child,.desc p:first-child{margin-top:0}
.desc p{margin:.7rem 0}
.desc ul,.desc ol{padding-left:1.3rem;margin:.7rem 0}
.desc li{margin:.35rem 0}
.desc strong,.desc b{color:var(--ink)}
.book-foot{margin:1.8rem 0 0;padding-top:1.4rem;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:1rem}
.book-foot .btn-buy{font-size:1rem;padding:.8rem 1.6rem}
.book-foot a.back{font-family:var(--f-title);font-size:.9rem;font-weight:600;color:var(--muted)}
.book-foot a.back:hover{color:var(--wine)}

/* ---------- Legal ---------- */
.legal{max-width:760px;padding-bottom:1rem}
.legal h1{font-family:var(--f-display);font-weight:600;font-size:clamp(1.7rem,4vw,2.3rem);
  margin:1.6rem 0 .6rem;color:var(--ink)}
.legal h2{font-family:var(--f-title);font-weight:600;font-size:1.12rem;margin-top:1.8rem;color:var(--wine-deep)}

/* ---------- Footer ---------- */
.foot{background:var(--wine-deep);color:#d9c4bb;margin-top:3.4rem;
  padding:clamp(2.4rem,5vw,3.4rem) 1.4rem 1.6rem}
.foot-in{max-width:var(--maxw);margin:0 auto;display:grid;
  grid-template-columns:1.6fr 1fr 1fr;gap:2rem}
.foot .wordmark{color:#fff}
.foot .wordmark .mk{background:rgba(240,217,160,.16);color:#f0d9a0}
.foot .wm-text em{color:#f0d9a0}
.foot-brand p{margin:.9rem 0 0;font-size:.92rem;max-width:38ch;color:#c7b0a6}
.foot h4{font-family:var(--f-title);font-size:.74rem;letter-spacing:.15em;text-transform:uppercase;
  color:#e2b98f;margin:.2rem 0 .8rem}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin:.42rem 0}
.foot-col a{color:#e4d2c9;font-size:.93rem}
.foot-col a:hover{color:#fff}
.foot-bottom{max-width:var(--maxw);margin:2.2rem auto 0;padding-top:1.4rem;
  border-top:1px solid rgba(240,217,160,.16);font-size:.8rem;color:#b79a8f;
  display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;justify-content:space-between}
.foot-bottom .disc{max-width:46ch}

@media(max-width:860px){
  .foot-in{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1 / -1}
}
@media(max-width:720px){
  .book{grid-template-columns:1fr;gap:1.6rem}
  .book-cover{position:static;max-width:280px;margin:0 auto}
  .topnav{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}