/* ===========================================================
   SR. Ediciones — hoja de estilos global
   Paleta: papel cálido + tinta + vino (encuadernación) + oro (sello) + pizarra
   =========================================================== */

:root{
  --cream:      #F4EEE0;
  --cream-2:    #ECE3CE;
  --ink:        #211B14;
  --ink-soft:   #4A4136;
  --wine:       #7C2233;
  --wine-dark:  #591724;
  --gold:       #AD8A46;
  --gold-light: #D9C088;
  --slate:      #3F5A66;
  --line:       #DCCFAE;
  --paper-shadow: rgba(33,27,20,.12);
  --radius: 2px;
  --maxw: 1180px;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 .5em;
  color: var(--ink);
  letter-spacing: -.01em;
}

.eyebrow{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  color: var(--wine);
  display:flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:"";
  width: 22px; height:1px;
  background: var(--wine);
  display:inline-block;
}

.wrap{ max-width: var(--maxw); margin:0 auto; padding: 0 28px; }
.section{ padding: 84px 0; }
.section + .section{ border-top: 1px solid var(--line); }

:focus-visible{
  outline: 2px solid var(--wine);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55em;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .95em 1.5em;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  cursor:pointer;
  background: transparent;
  color: var(--ink);
  transition: background .18s ease, color .18s ease, transform .12s ease, border-color .18s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--wine);
  border-color: var(--wine);
  color: var(--cream);
}
.btn-primary:hover{ background: var(--wine-dark); border-color: var(--wine-dark); }
.btn-gold{
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}
.btn-gold:hover{ background:#96793a; border-color:#96793a; }
.btn-ghost{ border-color: var(--line); color: var(--ink-soft); }
.btn-ghost:hover{ border-color: var(--ink); color: var(--ink); }
.btn-block{ width:100%; }
.btn:disabled{ opacity:.45; cursor:not-allowed; transform:none; }

/* ---------------- Header ---------------- */
.site-header{
  position: sticky; top:0; z-index: 60;
  background: rgba(244,238,224,.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 84px;
}
.brand{ display:flex; align-items:center; gap:.75em; flex-shrink: 0; }
.brand-mark{ width:40px; height:40px; flex:none; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong{
  font-family: var(--font-display);
  font-size: 1.18rem;
  letter-spacing: .01em;
}
.brand-text span{
  font-family: var(--font-mono);
  font-size: .66rem;
  color: var(--ink-soft);
  letter-spacing: .03em;
}

.main-nav{ display:flex; align-items:center; gap: 0; flex-shrink: 1; min-width:0; }
.main-nav a{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing:.03em;
  text-transform:uppercase;
  color: var(--ink-soft);
  padding: 6px 0;
  margin: 0 .55em;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
.main-nav a:first-child{ margin-left:0; }
.main-nav a:last-child{ margin-right:0; }
.main-nav a:hover, .main-nav a.active{ color: var(--wine); border-color: var(--wine); }

.header-actions{ display:flex; align-items:center; gap: 14px; flex-shrink: 0; }
.nav-toggle{
  display:none; background:none; border:1px solid var(--ink); border-radius: var(--radius);
  width:42px; height:42px; align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle svg{ width:20px; height:20px; }

.cart-btn{
  position: relative;
  display:flex; align-items:center; gap:.5em;
  border:1px solid var(--ink); border-radius: var(--radius);
  padding: .6em 1em;
  font-family: var(--font-mono); font-size:.78rem; letter-spacing:.04em; text-transform:uppercase;
  cursor:pointer; background: transparent; color: var(--ink);
}
.cart-btn:hover{ background: var(--ink); color: var(--cream); }
.cart-count{
  position:absolute; top:-9px; right:-9px;
  background: var(--wine); color:#fff;
  font-family: var(--font-mono); font-size:.68rem;
  width:20px; height:20px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  border: 2px solid var(--cream);
}

@media (max-width: 1220px){
  .main-nav{
    position: fixed; inset: 84px 0 0 0; height: calc(100vh - 84px);
    background: var(--cream);
    flex-direction: column; align-items:flex-start; gap: 0;
    padding: 10px 28px 28px;
    transform: translateX(100%);
    transition: transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ width:100%; padding: 16px 0; border-bottom:1px solid var(--line); font-size:.92rem; }
  .nav-toggle{ display:flex; }
}

/* ---------------- Hero ---------------- */
.hero{
  padding: 72px 0 90px;
  position: relative;
  overflow:hidden;
}
.hero .wrap{ display:grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items:center; }
.hero h1{ font-size: clamp(2.3rem, 4.1vw, 3.6rem); }
.hero h1 em{ font-style: italic; color: var(--wine); }
.hero p.lead{ font-size: 1.12rem; color: var(--ink-soft); max-width: 46ch; margin: 22px 0 34px; }
.hero-cta{ display:flex; gap: 16px; flex-wrap:wrap; }

.stat-row{ display:flex; gap: 40px; margin-top: 52px; flex-wrap:wrap; }
.stat-row div strong{
  display:block; font-family: var(--font-display); font-size: 2.1rem; color: var(--wine);
}
.stat-row div span{ font-family: var(--font-mono); font-size:.72rem; color: var(--ink-soft); text-transform:uppercase; letter-spacing:.05em; }

.hero-shelf{ position:relative; height: 420px; display:flex; align-items:flex-end; justify-content:center; }
.shelf-svg{ width:100%; height:100%; max-width: 560px; filter: drop-shadow(0 18px 26px var(--paper-shadow)); }
.shelf-base{
  position:absolute; left:0; right:0; bottom: 26px; height: 10px;
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
  box-shadow: 0 18px 26px var(--paper-shadow);
}

/* ---------------- Section headers ---------------- */
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head h2{ font-size: clamp(1.7rem, 2.6vw, 2.35rem); margin-top:.4em; }
.section-head p{ color: var(--ink-soft); }
.section-head-row{ display:flex; align-items:flex-end; justify-content:space-between; gap: 24px; flex-wrap:wrap; }

/* ---------------- Book grid & cards ---------------- */
.book-grid{
  display:grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr));
  gap: 34px 26px;
}
.book-card{
  display:flex; flex-direction:column;
  background: var(--cream-2);
  border: 1px solid var(--line);
  position:relative;
}
.book-card .spine{
  position:absolute; left:0; top:0; bottom:0; width: 5px;
  background: var(--wine);
}
.book-cover{
  aspect-ratio: 3/4.6; overflow:hidden; background:#111;
  border-bottom: 1px solid var(--line);
}
.book-cover img{ width:100%; height:100%; object-fit: cover; transition: transform .5s ease; }
.book-card:hover .book-cover img{ transform: scale(1.045); }
.book-body{ padding: 20px 20px 22px; display:flex; flex-direction:column; gap: 10px; flex:1; }
.book-genre{
  font-family: var(--font-mono); font-size:.66rem; letter-spacing:.08em; text-transform:uppercase;
  color: var(--slate);
}
.book-title{ font-family: var(--font-display); font-size: 1.18rem; line-height:1.2; margin:0; }
.book-author{ font-size:.92rem; color: var(--ink-soft); font-style: italic; }
.book-synopsis{
  font-size: .89rem; color: var(--ink-soft); line-height:1.55;
  display:-webkit-box; -webkit-line-clamp:4; -webkit-box-orient:vertical; overflow:hidden;
  flex:1;
}
.book-meta{
  display:flex; flex-wrap:wrap; gap: 6px 14px;
  font-family: var(--font-mono); font-size:.68rem; color: var(--ink-soft); opacity:.85;
}
.book-foot{ margin-top: 8px; display:flex; align-items:center; justify-content:space-between; gap: 12px; }
.book-price{ font-family: var(--font-display); font-size: 1.3rem; color: var(--wine); }
.book-price small{ font-family: var(--font-mono); font-size:.62rem; color: var(--ink-soft); display:block; }
.add-btn{
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.04em; text-transform:uppercase;
  padding: .7em 1em; border:1px solid var(--ink); background: transparent; cursor:pointer;
  display:flex; align-items:center; gap:.5em;
  transition: background .15s, color .15s;
}
.add-btn:hover{ background: var(--ink); color: var(--cream); }
.add-btn.added{ background: var(--slate); border-color: var(--slate); color:#fff; }
.book-note{
  font-size:.74rem; color: var(--ink-soft); border-top: 1px dashed var(--line);
  padding-top: 10px; margin-top: 4px; line-height:1.5;
}
.book-note a{ color: var(--wine); text-decoration: underline; text-underline-offset:2px; }

.book-card.wide{
  display:grid; grid-template-columns: 220px 1fr; gap:0;
}
.book-card.wide .book-cover{ aspect-ratio: auto; height:100%; }
.book-card.wide .book-body{ padding: 26px 28px; }
.book-card.wide .book-synopsis{ -webkit-line-clamp: 6; }

.category-block + .category-block{ margin-top: 60px; }
.category-title{
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing:.1em; font-size:.78rem;
  color: var(--wine); border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 26px;
}
.author-note{ margin-bottom: 26px; }
.author-note + .author-note{ margin-top: 40px; }

.cat-tabs{
  display:flex; flex-wrap:wrap; gap: 10px; margin-bottom: 44px;
  border-bottom: 1px solid var(--line); padding-bottom: 22px;
}
.cat-tab{
  font-family: var(--font-mono); font-size:.76rem; letter-spacing:.05em; text-transform:uppercase;
  padding: .7em 1.2em; border: 1px solid var(--line); border-radius: 999px; background: transparent;
  color: var(--ink-soft); cursor:pointer; transition: all .15s ease;
}
.cat-tab:hover{ border-color: var(--wine); color: var(--wine); }
.cat-tab.active{ background: var(--wine); border-color: var(--wine); color: var(--cream); }

.book-foot-consult{ display:block; margin-top: 4px; }
.book-foot-consult .btn{ font-size:.72rem; }

/* ---------------- Catálogo: tarjetas de departamento ---------------- */
.dept-grid{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 44px;
}
.dept-card{
  display:flex; gap: 22px; align-items:center; padding: 24px;
  background: var(--cream-2); border: 1px solid var(--line);
  transition: border-color .15s, transform .15s;
}
.dept-card:hover{ border-color: var(--wine); transform: translateY(-3px); }
.dept-cover{ width: 96px; height: 140px; flex: none; overflow:hidden; border: 1px solid var(--line); }
.dept-cover img{ width:100%; height:100%; object-fit:cover; }
.dept-body h3{ font-size: 1.4rem; margin: 6px 0 8px; }
.dept-body p{ color: var(--ink-soft); font-size: .92rem; margin: 0 0 12px; }
.dept-cta{ font-family: var(--font-mono); font-size:.74rem; letter-spacing:.04em; text-transform:uppercase; color: var(--wine); }
@media (max-width: 700px){ .dept-grid{ grid-template-columns: 1fr; } }

/* ---------------- Cart Drawer ---------------- */
.cart-overlay{
  position: fixed; inset:0; background: rgba(20,15,10,.42);
  opacity:0; pointer-events:none; transition: opacity .25s ease; z-index: 90;
}
.cart-overlay.open{ opacity:1; pointer-events:auto; }

.cart-drawer{
  position: fixed; top:0; right:0; bottom:0; width: min(420px, 100vw);
  background: var(--cream); z-index: 95;
  transform: translateX(100%); transition: transform .3s ease;
  display:flex; flex-direction:column;
  box-shadow: -18px 0 40px rgba(0,0,0,.18);
}
.cart-drawer.open{ transform: translateX(0); }
.cart-head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 22px 24px; border-bottom: 1px solid var(--line);
}
.cart-head h3{ margin:0; font-size:1.3rem; }
.cart-close{ background:none; border:none; cursor:pointer; padding:6px; }
.cart-close svg{ width:20px; height:20px; }
.cart-items{ flex:1; overflow-y:auto; padding: 10px 24px; }
.cart-item{ display:flex; gap:14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.cart-item img{ width:56px; height: 84px; object-fit:cover; flex:none; }
.cart-item-info{ flex:1; display:flex; flex-direction:column; gap:4px; }
.cart-item-info h4{ margin:0; font-family: var(--font-display); font-size:.98rem; line-height:1.2; }
.cart-item-info .author{ font-size:.78rem; color: var(--ink-soft); font-style:italic; }
.qty-row{ display:flex; align-items:center; gap:10px; margin-top:4px; }
.qty-row button{
  width:24px; height:24px; border:1px solid var(--ink); background:none; cursor:pointer;
  font-family: var(--font-mono); line-height:1;
}
.qty-row span{ font-family: var(--font-mono); font-size:.85rem; min-width: 18px; text-align:center; }
.remove-item{
  font-family: var(--font-mono); font-size:.68rem; color: var(--wine); text-decoration:underline;
  background:none; border:none; cursor:pointer; margin-left:auto; padding:0;
}
.cart-item-price{ font-family: var(--font-mono); font-size:.85rem; white-space:nowrap; }

.cart-empty{ padding: 60px 10px; text-align:center; color: var(--ink-soft); }
.cart-empty svg{ width:48px; height:48px; margin: 0 auto 14px; opacity:.5; }

.cart-summary{ border-top: 1px solid var(--line); padding: 20px 24px 26px; }
.summary-row{ display:flex; justify-content:space-between; font-family: var(--font-mono); font-size:.85rem; margin-bottom:8px; color: var(--ink-soft); }
.summary-row.total{ color: var(--ink); font-size: 1.05rem; font-weight:600; margin-top:10px; padding-top:10px; border-top:1px dashed var(--line); }
.paypal-note{
  display:flex; align-items:center; gap:8px; margin-top:14px;
  font-family: var(--font-mono); font-size:.68rem; color: var(--ink-soft);
}
.paypal-note svg{ width:16px; height:16px; flex:none; }

/* ---------------- Generic content blocks ---------------- */
.prose{ max-width: 68ch; }
.prose p{ margin: 0 0 1.1em; color: var(--ink-soft); }
.prose a{ color: var(--wine); text-decoration: underline; text-underline-offset: 3px; }

.pillar-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 30px; margin-top: 20px; }
.pillar{ border-top: 1px solid var(--wine); padding-top: 16px; }
.pillar .num{ font-family: var(--font-mono); color: var(--gold); font-size:.8rem; }
.pillar h4{ font-size: 1.05rem; margin: 10px 0 6px; }
.pillar p{ font-size:.88rem; color: var(--ink-soft); margin:0; }

.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
.timeline{ list-style:none; margin:0; padding:0; border-left:1px solid var(--line); }
.timeline li{ position:relative; padding: 0 0 28px 26px; }
.timeline li::before{
  content:""; position:absolute; left:-5px; top:4px; width:9px; height:9px; border-radius:50%;
  background: var(--wine);
}
.timeline .yr{ font-family: var(--font-mono); font-size:.72rem; color: var(--wine); letter-spacing:.05em; }
.timeline h4{ margin: 4px 0 4px; font-size:1.02rem; }
.timeline p{ margin:0; color: var(--ink-soft); font-size:.9rem; }

.fair-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 30px; }
.fair-card{ border: 1px solid var(--line); padding: 28px; background: var(--cream-2); }
.fair-card .eyebrow{ margin-bottom: 12px; }
.fair-card h3{ font-size:1.4rem; }
.fair-card p{ color: var(--ink-soft); }

.photo-gallery{
  margin-top: 34px;
  columns: 4 220px; column-gap: 14px;
}
.photo-item{
  display:block; break-inside: avoid; margin-bottom: 14px;
  border: 1px solid var(--line); overflow:hidden; background: var(--cream-2);
}
.photo-item img{ width:100%; display:block; transition: transform .4s ease, filter .4s ease; }
.photo-item:hover img{ transform: scale(1.04); filter: saturate(1.1); }
@media (max-width: 900px){ .photo-gallery{ columns: 2 180px; } }
@media (max-width: 560px){ .photo-gallery{ columns: 1; } }

/* ---------------- Contact / forms ---------------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-list{ list-style:none; padding:0; margin: 24px 0; }
.contact-list li{ padding: 14px 0; border-bottom:1px solid var(--line); display:flex; gap: 14px; align-items:flex-start; }
.contact-list svg{ width:20px; height:20px; flex:none; margin-top:2px; color: var(--wine); }
.contact-list a{ text-decoration: underline; text-underline-offset:2px; }
.contact-list .label{ display:block; font-family: var(--font-mono); font-size:.68rem; text-transform:uppercase; letter-spacing:.06em; color: var(--ink-soft); margin-bottom: 2px; }

.field{ margin-bottom: 20px; }
.field label{ display:block; font-family: var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; margin-bottom: 8px; color: var(--ink-soft); }
.field input, .field select, .field textarea{
  width:100%; border: 1px solid var(--ink); background: var(--cream-2);
  padding: .85em 1em; font-family: var(--font-body); font-size: .95rem; color: var(--ink);
  border-radius: var(--radius);
}
.field textarea{ min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus{ outline: 2px solid var(--wine); outline-offset:1px; }

.fiscal-box{
  margin-top: 34px; border: 1px solid var(--line); padding: 20px 22px; background: var(--cream-2);
  font-family: var(--font-mono); font-size:.78rem; color: var(--ink-soft); line-height:1.8;
}
.fiscal-box strong{ color: var(--ink); }

/* ---------------- Footer ---------------- */
.site-footer{ background: var(--ink); color: #DCD3C2; padding: 60px 0 26px; }
.footer-top{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand{ display:flex; gap:.75em; align-items:flex-start; }
.footer-brand strong{ font-family: var(--font-display); font-size:1.15rem; color:#fff; display:block; }
.footer-brand p{ font-size:.85rem; color:#B9AE99; margin-top:6px; max-width: 32ch;}
.footer-col h5{ font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.08em; font-size:.7rem; color:#B9AE99; margin: 0 0 14px; }
.footer-col a, .footer-col span{ display:block; font-size:.88rem; color:#DCD3C2; margin-bottom:9px; }
.footer-col a:hover{ color: var(--gold-light); text-decoration:underline; }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top: 22px; font-size:.76rem; color:#9C9280; font-family: var(--font-mono); }

@media (max-width: 900px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .hero-shelf{ display:none; }
  .split{ grid-template-columns: 1fr; gap: 32px; }
  .contact-grid{ grid-template-columns: 1fr; gap: 36px; }
  .pillar-grid{ grid-template-columns: repeat(2,1fr); }
  .fair-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .book-card.wide{ grid-template-columns: 1fr; }
  .book-card.wide .book-cover{ aspect-ratio: 3/4; height:auto; }
}
@media (max-width: 560px){
  .footer-top{ grid-template-columns: 1fr; }
  .stat-row{ gap: 26px; }
  .section{ padding: 56px 0; }
}