/* ============================ Navbar + Drawer ============================ */
.nav {
  position: sticky; top: 0; z-index: 60;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s, border-color .3s;
  background: transparent;
  border-bottom: 1px solid transparent;
}
.nav-scrolled {
  background: rgba(255, 248, 240, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--beige);
  box-shadow: 0 6px 30px -22px rgba(45,42,50,.4);
}
.nav-inner { display: flex; align-items: center; gap: 18px; height: 76px; }

.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo-img { height: 54px; width: auto; display: block; transition: transform .3s; }
.logo:hover .logo-img { transform: scale(1.05) rotate(-2deg); }
.footer-logo { height: 76px; width: auto; display: block; margin-bottom: 14px; }
@media (max-width: 880px) { .logo-img { height: 46px; } }
.logo-mark {
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--accent); display: grid; place-items: center;
  box-shadow: var(--shadow-soft); transform: rotate(-4deg);
  transition: transform .3s;
}
.logo:hover .logo-mark { transform: rotate(4deg) scale(1.05); }
.logo-text { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }

.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
  font-weight: 500; font-size: .98rem; padding: 9px 15px; border-radius: 999px;
  color: var(--carbon-soft); transition: color .2s, background .2s; position: relative;
}
.nav-link:hover { color: var(--carbon); background: rgba(45,42,50,.05); }
.nav-link.active { color: var(--accent-deep); font-weight: 600; }
.nav-link.active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; width: 18px; height: 3px;
  border-radius: 3px; background: var(--accent); transform: translateX(-50%);
}
.nav-right { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.nav-cta { padding: 11px 20px; font-size: .95rem; }
.nav-burger { display: none; background: none; border: none; cursor: pointer; color: var(--carbon); padding: 6px; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: inline-flex; }
  .nav-inner { height: 66px; }
}

.drawer-scrim {
  position: fixed; inset: 0; z-index: 80; background: rgba(45,42,50,.4);
  opacity: 0; pointer-events: none; transition: opacity .3s;
  backdrop-filter: blur(2px);
}
.drawer-scrim.show { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; z-index: 90; height: 100%;
  width: min(86vw, 340px); background: var(--crema);
  transform: translateX(105%); transition: transform .38s cubic-bezier(.3,.9,.3,1);
  display: flex; flex-direction: column; box-shadow: -20px 0 60px -20px rgba(45,42,50,.4);
}
.drawer.open { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; padding: 22px; border-bottom: 1px solid var(--beige); }
.drawer-close { background: none; border: none; cursor: pointer; color: var(--carbon); padding: 6px; }
.drawer-links { display: flex; flex-direction: column; padding: 14px 12px; gap: 2px; }
.drawer-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 14px; border-radius: var(--r-md); font-size: 1.18rem; font-weight: 500;
  color: var(--carbon); transition: background .2s;
}
.drawer-link:hover { background: #fff; }
.drawer-link.active { color: var(--accent-deep); background: var(--accent-tint); font-weight: 600; }

/* ============================ Portada / placeholder ====================== */
.cover { position: relative; aspect-ratio: 3 / 4; width: 100%;
  border-radius: var(--r-md); overflow: hidden;
  background: var(--ct); box-shadow: inset 0 0 0 1px rgba(45,42,50,.05); }
.cover.has-img { background: var(--crema-2); }
.cover-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .4s; }
.cover-ph {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  padding: 18px 18px 16px; gap: 10px;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.0) 0 13px, rgba(255,255,255,.35) 13px 14px),
    linear-gradient(160deg, color-mix(in srgb, var(--cc) 22%, #fff), var(--ct));
}
.cover-ph-spine { position: absolute; left: 0; top: 0; bottom: 0; width: 8px; background: var(--cc); opacity: .9; }
.cover-ph-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; padding-left: 6px; }
.cover-ph-cat { color: color-mix(in srgb, var(--cc) 70%, #2D2A32); font-weight: 700; max-width: 60%; }
.cover-ph-title {
  font-size: 1.22rem; font-weight: 700; line-height: 1.12; color: #2D2A32;
  margin-top: auto; padding-left: 6px; letter-spacing: -0.02em;
}
.cover-ph-foot { padding-left: 6px; }
.cover-ph-foot .mono { font-size: .62rem; opacity: .6; }

/* ============================ BookCard =================================== */
.bookcard {
  background: #fff; border-radius: var(--r-lg); padding: 14px;
  border: 1px solid var(--beige); box-shadow: var(--shadow-card);
  cursor: pointer; display: flex; flex-direction: column;
}
.bookcard:hover { box-shadow: var(--shadow-lift); }
.bookcard-cover { border: none; background: none; padding: 0; cursor: pointer; display: block; border-radius: var(--r-md); }
.bookcard-body { padding: 14px 4px 4px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.bookcard-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.bookcard-tags .pill { font-size: .72rem; padding: 4px 10px; }
.bookcard-title {
  font-size: 1.16rem; font-weight: 600; line-height: 1.18;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.bookcard-meta { display: flex; align-items: center; gap: 6px; font-size: .84rem; color: var(--carbon-soft); }
.bookcard-rate { font-weight: 600; color: var(--carbon); }
.bookcard-count { font-size: .8rem; }
.bookcard-link {
  margin-top: auto; padding-top: 4px; display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; font-size: .92rem; color: var(--accent-deep);
}
.bookcard:hover .bookcard-link svg { transform: translateX(3px); }
.bookcard-link svg { transition: transform .25s; }

/* ============================ Footer ===================================== */
.footer { background: var(--carbon); color: var(--crema); margin-top: 40px; }
.footer-main { padding-bottom: 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.3fr; gap: 40px; padding-top: 14px; padding-bottom: 34px; }
.footer-tag { color: rgba(255,248,240,.72); max-width: 34ch; font-size: .96rem; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-soc {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(255,248,240,.08); color: var(--crema); transition: background .2s, color .2s, transform .2s;
}
.footer-soc:hover { background: var(--accent); transform: translateY(-2px); }
.footer-h { font-family: var(--font-body); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,248,240,.55); margin-bottom: 16px; font-weight: 600; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-link { color: rgba(255,248,240,.82); font-size: .98rem; transition: color .2s; width: fit-content; }
.footer-link:hover { color: var(--accent); }
.footer-small { color: rgba(255,248,240,.5); font-size: .9rem; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,248,240,.12); padding-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.footer-aff { color: rgba(255,248,240,.6); font-size: .82rem; max-width: 70ch; }
.footer-copy { color: rgba(255,248,240,.5); font-size: .85rem; }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}