@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;1,500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #061E28;
  --dark: #061E28;
  --dark2: #111111;
  --card-bg: #193342;
  --card-author: #31607a;
  --header-top-h: 92px;
  --header-bottom-h: 48px;
  --turquoise: #4FEAF5;
  --turquoise-light: #8FF3FA;
  --turquoise-dark: #2BC9D6;
  --white: #F5F5F5;
  --grey1: #111111;
  --grey2: rgba(255,255,255,.12);
  --grey3: #8a8f96;
  --grey4: #BDBDBD;
  --placeholder-bg: #1c1f26;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.55);
  --transition: .28s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; background: var(--black); color: var(--white); overflow-x: hidden; }

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input { font-family: inherit; }

.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }

.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--turquoise); color: var(--black);
  padding: .75rem 1.75rem; border-radius: 50px;
  font-weight: 600; font-size: .95rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
}
.btn-primary:hover { background: var(--turquoise-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,234,245,.35); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: .5rem;
  background: transparent; color: var(--white);
  padding: .75rem 1.75rem; border-radius: 50px;
  font-weight: 600; font-size: .95rem;
  border: 2px solid rgba(255,255,255,.4);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.08); transform: translateY(-2px); }

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

#site-header {
  position: relative; z-index: 900;
  padding-top: var(--header-top-h);
}

.header-top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 902;
  height: var(--header-top-h);
  display: flex; align-items: center;
  background: rgba(6,30,40,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.header-top-inner {
  display: flex; align-items: center; gap: 1.5rem; width: 100%;
}
.header-logo-link { display: flex; align-items: center; flex-shrink: 0; }
.header-logo { height: 74px; width: auto; object-fit: contain; }

.header-search {
  flex: 1; max-width: 480px; min-width: 0; margin: 0 1.5rem;
  display: flex; align-items: center; gap: .6rem;
  background: rgba(255,255,255,.06); border: 1.5px solid var(--grey2);
  border-radius: 50px; padding: .6rem 1.25rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header-search:focus-within { border-color: var(--turquoise); box-shadow: 0 0 0 3px rgba(79,234,245,.15); }
.header-search svg { color: var(--grey4); flex-shrink: 0; }
.header-search input {
  border: none; background: none; font-size: .9rem; color: var(--white);
  width: 100%; min-width: 0; outline: none;
}
.header-search input::placeholder { color: var(--grey3); }

.header-bottom {
  position: relative; z-index: 901;
  height: var(--header-bottom-h);
  display: flex; align-items: center;
  background: rgba(6,30,40,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.header-bottom-inner { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.main-nav { display: flex; gap: 2rem; overflow-x: auto; }
.main-nav a {
  color: rgba(255,255,255,.8); font-size: .9rem; font-weight: 500;
  position: relative; padding-bottom: 2px;
  transition: color var(--transition);
}
.main-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--turquoise);
  transition: width var(--transition);
}
.main-nav a:hover { color: var(--white); }
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.cart-btn {
  position: relative; display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.08); color: var(--white);
  transition: background var(--transition), transform var(--transition), color var(--transition);
}
.cart-btn:hover { background: var(--turquoise); color: var(--black); transform: scale(1.08); }
.cart-count {
  position: absolute; top: -4px; right: -4px;
  background: var(--turquoise); color: var(--black);
  font-size: .65rem; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--black);
}

.hero {
  height: 60vh;
  box-sizing: border-box;
  display: flex; align-items: center; position: relative; overflow: hidden;
  padding: 2rem 0;
}
.hero-bg-wrap {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.hero-bg-desk { display: block; }
.hero-bg-mob { display: none; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.7) 50%, rgba(10,40,45,.78) 100%);
}
.hero-inner {
  display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; width: 100%;
}
.hero-content { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; max-width: 680px; margin: 0 auto; }
.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  color: var(--white); line-height: 1.15;
  animation: fadeSlideUp .8s .15s ease both;
}
.hero-title span { color: var(--turquoise); font-style: italic; }
.hero-sub {
  color: rgba(255,255,255,.65); font-size: 1.05rem; line-height: 1.7; max-width: 480px;
  animation: fadeSlideUp .8s .25s ease both;
}
.hero-ctas {
  display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
  animation: fadeSlideUp .8s .35s ease both;
}

@media (max-width: 768px) {
  .hero-bg-desk { display: none; }
  .hero-bg-mob { display: block; }
}

@keyframes floatImg {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-scroll-hint {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
}
.hero-scroll-hint span {
  display: block; width: 1px; height: 60px;
  background: linear-gradient(to bottom, transparent, var(--turquoise));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.categorias { padding: 5rem 0; background: var(--dark2); }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--white);
}
.section-header p { color: var(--grey4); margin-top: .5rem; font-size: 1rem; }

.categorias-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.cat-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  cursor: pointer; aspect-ratio: 3/4;
  transition: transform var(--transition), box-shadow var(--transition);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-img-wrap { width: 100%; height: 100%; }
.cat-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cat-placeholder {
  width: 100%; height: 100%;
  background: var(--placeholder-bg);
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 3.5rem;
  font-size: .8rem; color: var(--grey4);
}
.cat-label {
  position: absolute; top: 1.25rem; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,.75); backdrop-filter: blur(6px);
  color: var(--white); font-weight: 700; font-size: 1rem;
  padding: .45rem 1.25rem; border-radius: 50px;
  white-space: nowrap; z-index: 2;
  letter-spacing: .03em;
}
.cat-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.6) 0%, transparent 60%);
}

.catalogo { padding: 5rem 0; background: var(--black); }
.catalogo-page { padding-top: 0; }
.catalogo-container { display: grid; grid-template-columns: 260px 1fr; gap: 2.5rem; align-items: start; }

.catalogo-sidebar {
  background: var(--dark2); border-radius: var(--radius);
  padding: 1.75rem; position: sticky; top: calc(var(--header-top-h) + 1rem);
}
.sidebar-heading { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--white); }
.sidebar-block h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--white); }
.sidebar-toggle { display: none; width: 100%; background: none; border: none; cursor: pointer; font-size: 1rem; font-weight: 700; color: var(--white); padding: 0 0 .75rem; border-bottom: 1.5px solid var(--grey2); margin-bottom: 0; align-items: center; justify-content: space-between; }
.sidebar-arrow { transition: transform .28s ease; flex-shrink: 0; }
.sidebar-toggle[aria-expanded="true"] .sidebar-arrow { transform: rotate(180deg); }
.sidebar-body { overflow: hidden; transition: max-height .32s ease, opacity .28s ease; }
.filter-group { margin-bottom: 1.5rem; }
.filter-label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--grey4); margin-bottom: .75rem; }
.filter-group label {
  display: flex; align-items: center; gap: .6rem;
  font-size: .9rem; color: var(--white); margin-bottom: .5rem; cursor: pointer;
  transition: color var(--transition);
}
.filter-group label:hover { color: var(--turquoise); }
.filter-group input[type="checkbox"],
.filter-group input[type="radio"] { accent-color: var(--turquoise); width: 15px; height: 15px; }

.catalogo-main { display: flex; flex-direction: column; gap: 1.5rem; }
.catalogo-topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.catalogo-topbar h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  color: var(--white);
}
.search-wrap {
  display: flex; align-items: center; gap: .6rem;
  background: var(--dark2); border: 1.5px solid var(--grey2);
  border-radius: 50px; padding: .55rem 1.25rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-wrap:focus-within { border-color: var(--turquoise); box-shadow: 0 0 0 3px rgba(79,234,245,.15); }
.search-wrap svg { color: var(--grey4); flex-shrink: 0; }
.search-wrap input {
  border: none; background: none; font-size: .9rem; color: var(--white);
  width: 220px; outline: none;
}
.search-wrap input::placeholder { color: var(--grey3); }

.productos-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.prod-card {
  background: var(--card-bg); border-radius: var(--radius);
  border: 1.5px solid transparent;
  overflow: hidden; display: flex; flex-direction: column;
  padding: 1rem;
  aspect-ratio: 9/20;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  opacity: 0; transform: translateY(20px);
  animation: cardIn .4s ease forwards;
}
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--turquoise); }
@keyframes cardIn {
  to { opacity: 1; transform: translateY(0); }
}
.prod-img-wrap {
  width: 100%; aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius-sm); flex-shrink: 0;
  background: var(--placeholder-bg);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; position: relative;
}
.prod-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.prod-img-placeholder {
  font-size: .78rem; color: var(--grey4); text-align: center;
  padding: 1rem; line-height: 1.5;
}
.prod-img-wrap::after {
  content: '🔍'; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; opacity: 0;
  background: rgba(79,234,245,.18);
  transition: opacity var(--transition);
}
.prod-img-wrap:hover::after { opacity: 1; }
.prod-discount-badge {
  position: absolute; top: .6rem; left: .6rem; z-index: 2;
  background: var(--turquoise); color: var(--black);
  font-size: .75rem; font-weight: 800;
  padding: .25rem .6rem; border-radius: 50px;
}

.prod-info { padding-top: .75rem; display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.prod-cat { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--turquoise); }
.prod-name { font-weight: 700; font-size: .95rem; line-height: 1.35; color: var(--white); cursor: pointer; transition: color var(--transition); text-decoration: none; display: block; }
.prod-name:hover { color: var(--turquoise); }
.prod-author { font-size: .8rem; color: var(--card-author); font-weight: 600; }
.prod-desc {
  font-size: .8rem; color: var(--grey4); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.prod-stars { display: flex; gap: .15rem; font-size: .9rem; line-height: 1; color: var(--turquoise); }
.prod-stars .star-empty { color: var(--grey2); }
.btn-details {
  display: block; width: 100%; margin-top: auto; padding: .6rem;
  background: var(--turquoise); color: var(--black); text-align: center;
  border-radius: 50px; font-size: .85rem; font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}
.btn-details:hover { background: var(--turquoise-dark); transform: scale(1.02); }
.prod-price { font-size: 1.15rem; font-weight: 800; color: var(--white); margin-top: auto; }
.prod-price-old { font-size: .9rem; font-weight: 500; color: var(--grey4); text-decoration: line-through; margin-right: .35rem; }
.prod-price-new { color: var(--turquoise); }
.prod-stock-aviso { font-size: .78rem; font-weight: 600; color: var(--turquoise); }
.prod-stock-agotado { color: var(--grey4); }

.prod-actions { padding: 0 1rem 1rem; display: flex; flex-direction: column; gap: .6rem; }
.qty-row { display: flex; align-items: center; gap: .5rem; }
.qty-label { font-size: .8rem; color: var(--grey4); }
.qty-ctrl {
  display: flex; align-items: center; border: 1.5px solid var(--grey2); border-radius: 50px; overflow: hidden;
}
.qty-ctrl button {
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 600; color: var(--white);
  transition: background var(--transition), color var(--transition);
}
.qty-ctrl button:hover { background: var(--turquoise); color: var(--black); }
.qty-ctrl span { padding: 0 .6rem; font-size: .9rem; font-weight: 600; min-width: 24px; text-align: center; }

.btn-add {
  width: 100%; padding: .6rem;
  background: var(--dark2); color: var(--white);
  border: 1.5px solid var(--grey2);
  border-radius: 50px; font-size: .85rem; font-weight: 600;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn-add:hover { background: var(--turquoise); color: var(--black); transform: scale(1.02); }
.btn-buy {
  width: 100%; padding: .6rem;
  background: var(--turquoise); color: var(--black);
  border-radius: 50px; font-size: .85rem; font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}
.btn-buy:hover { background: var(--turquoise-dark); transform: scale(1.02); }

.producto-page { padding: 2rem 0 5rem; }
.breadcrumb { font-size: .85rem; color: var(--grey4); margin-bottom: 2rem; }
.breadcrumb a { color: var(--grey4); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--turquoise); }
.breadcrumb span { margin: 0 .4rem; }

.producto-detalle { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.producto-detalle-media { display: flex; flex-direction: column; gap: 1rem; }
.producto-detalle-img-wrap {
  width: 100%; aspect-ratio: 3/4; border-radius: var(--radius);
  overflow: hidden; background: var(--placeholder-bg); position: relative;
}
.producto-detalle-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.producto-detalle-thumbs { display: flex; gap: .75rem; flex-wrap: wrap; }
.producto-detalle-thumb {
  width: 70px; height: 90px; border-radius: var(--radius-sm); overflow: hidden;
  border: 1.5px solid var(--grey2); cursor: pointer; opacity: .6;
  transition: opacity var(--transition), border-color var(--transition);
}
.producto-detalle-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.producto-detalle-thumb.is-active, .producto-detalle-thumb:hover { opacity: 1; border-color: var(--turquoise); }

.producto-detalle-info { display: flex; flex-direction: column; gap: 1rem; }
.producto-detalle-nombre { font-family: 'Playfair Display', serif; font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--white); line-height: 1.25; }
.producto-detalle-precio { font-size: 1.6rem; font-weight: 800; color: var(--white); }
.producto-detalle-desc { color: var(--grey4); line-height: 1.7; }
.producto-detalle-meta {
  display: flex; flex-direction: column; gap: .5rem;
  padding: 1.25rem; background: var(--dark2);
  border-radius: var(--radius); border: 1.5px solid var(--grey2);
}
.producto-detalle-meta-item { display: flex; justify-content: space-between; font-size: .9rem; }
.producto-detalle-meta-item span:first-child { color: var(--grey4); }
.producto-detalle-meta-item span:last-child { color: var(--white); font-weight: 600; }
.producto-detalle-acciones { display: flex; flex-direction: column; gap: .75rem; margin-top: .5rem; }
.producto-detalle-acciones .btn-add,
.producto-detalle-acciones .btn-buy { width: auto; padding: .9rem 1.5rem; font-size: .95rem; }

.producto-no-encontrado { text-align: center; padding: 3rem 1rem; }
.producto-no-encontrado p { color: var(--grey4); margin-top: .5rem; }

.relacionados { padding: 5rem 0; background: var(--dark2); }

@media (max-width: 1024px) {
  .producto-detalle { grid-template-columns: 1fr; }
}

/* === Checkout === */
.checkout-page { padding: 2rem 0 5rem; }
.checkout-header { margin: 1.5rem 0 2.5rem; }
.checkout-header h1 { font-family: 'Playfair Display', serif; font-size: 2.2rem; color: var(--white); }
.checkout-header p { color: var(--grey4); margin-top: .5rem; }

.checkout-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.checkout-form {
  background: var(--dark2);
  border: 1px solid var(--grey2);
  border-radius: var(--radius);
  padding: 2rem;
}
.checkout-form h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.form-row { margin-bottom: 1.2rem; }
.form-row-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.form-row label {
  display: block;
  margin-bottom: .4rem;
  font-size: .9rem;
  color: var(--grey4);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background: var(--black);
  border: 1px solid var(--grey2);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  color: var(--white);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--turquoise);
}
.form-row textarea { resize: vertical; }

.checkout-resumen {
  background: var(--dark2);
  border: 1px solid var(--grey2);
  border-radius: var(--radius);
  padding: 2rem;
  position: sticky;
  top: calc(var(--header-top-h) + 1rem);
}
.checkout-resumen h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.resumen-lista {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
  max-height: 320px;
  overflow-y: auto;
}
.resumen-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: .75rem;
  align-items: center;
}
.resumen-item img {
  width: 56px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--placeholder-bg);
}
.resumen-item-nombre { font-size: .9rem; color: var(--white); }
.resumen-item-cantidad { font-size: .8rem; color: var(--grey4); margin-top: .2rem; }
.resumen-item-precio { font-size: .9rem; color: var(--turquoise); font-weight: 600; white-space: nowrap; }

.resumen-totales {
  border-top: 1px solid var(--grey2);
  padding-top: 1rem;
  margin-bottom: 1.5rem;
}
.resumen-fila {
  display: flex;
  justify-content: space-between;
  font-size: .95rem;
  color: var(--grey4);
  padding: .35rem 0;
}
.resumen-total {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  border-top: 1px solid var(--grey2);
  margin-top: .5rem;
  padding-top: .75rem;
}
.resumen-total span:last-child { color: var(--turquoise); }

.btn-checkout {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--turquoise);
  color: var(--black);
  border: none;
  border-radius: 50px;
  padding: .9rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-checkout:hover:not(:disabled) {
  background: var(--turquoise-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,234,245,.35);
}
.btn-checkout:disabled { opacity: .6; cursor: not-allowed; }

.form-aviso {
  margin-top: 1rem;
  font-size: .9rem;
  color: var(--grey4);
  text-align: center;
  min-height: 1.2em;
}
.form-aviso--error { color: #f56565; }

.checkout-vacio {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--grey4);
}
.checkout-vacio p { margin-bottom: 1.5rem; font-size: 1.05rem; }

@media (max-width: 1024px) {
  .checkout-grid { grid-template-columns: 1fr; }
  .checkout-resumen { position: static; }
}
@media (max-width: 600px) {
  .form-row-cols { grid-template-columns: 1fr; }
}

/* === Post-pago (éxito/fallo/pendiente) === */
.postpago-section { padding: 3rem 0 6rem; display: flex; justify-content: center; }
.postpago-card {
  max-width: 560px;
  width: 100%;
  text-align: center;
  background: var(--dark2);
  border: 1px solid var(--grey2);
  border-radius: var(--radius);
  padding: 3rem 2rem;
}
.postpago-icono {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.postpago-icono--exito { background: rgba(79,234,245,.15); color: var(--turquoise); }
.postpago-icono--fallo { background: rgba(245,86,86,.15); color: #f56565; }
.postpago-icono--pendiente { background: rgba(255,193,7,.15); color: #ffc107; }
.postpago-card h1 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: .75rem;
}
.postpago-card p { color: var(--grey4); font-size: .95rem; line-height: 1.6; }
.postpago-numero {
  display: inline-block;
  margin-top: 1.25rem;
  padding: .5rem 1.25rem;
  border: 1px solid var(--grey2);
  border-radius: 50px;
  color: var(--turquoise);
  font-weight: 600;
  font-size: .9rem;
}
.postpago-acciones {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.editorial-strip {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--black) 0%, var(--dark2) 100%);
  overflow: hidden;
}
.editorial-inner {
  display: grid; grid-template-columns: 1fr auto;
  gap: 3rem; align-items: center;
}
.editorial-text h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  color: var(--white); margin-bottom: 1rem;
}
.editorial-text p { color: rgba(255,255,255,.6); line-height: 1.7; max-width: 520px; margin-bottom: 1.75rem; }
.newsletter-form { display: flex; gap: .75rem; flex-wrap: wrap; }
.newsletter-form input {
  flex: 1; min-width: 220px;
  background: rgba(255,255,255,.08); border: 1.5px solid rgba(255,255,255,.15);
  color: var(--white); border-radius: 50px;
  padding: .75rem 1.25rem; font-size: .9rem; outline: none;
  transition: border-color var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,.4); }
.newsletter-form input:focus { border-color: var(--turquoise); }

.deco-books { display: flex; gap: .75rem; align-items: flex-end; }
.deco-book { border-radius: 4px 10px 10px 4px; }
.b1 { width: 50px; height: 160px; background: linear-gradient(180deg, var(--turquoise-dark) 0%, var(--turquoise) 100%); }
.b2 { width: 42px; height: 120px; background: linear-gradient(180deg, #2a3a4a 0%, #3d5060 100%); }
.b3 { width: 56px; height: 200px; background: linear-gradient(180deg, var(--turquoise) 0%, var(--turquoise-light) 100%); }

.site-footer { background: var(--black); color: rgba(255,255,255,.7); padding: 4rem 0 0; border-top: 1px solid rgba(255,255,255,.07); }
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand { display: flex; flex-direction: column; gap: 1rem; }
.footer-logo { height: 56px; width: 56px; object-fit: cover; border-radius: 50%; }
.footer-brand p { font-size: .9rem; color: rgba(255,255,255,.45); }
.footer-links { display: flex; flex-direction: column; gap: .6rem; }
.footer-links h4 { color: var(--white); font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .5rem; }
.footer-links a { font-size: .88rem; color: rgba(255,255,255,.5); transition: color var(--transition); }
.footer-links a:hover { color: var(--turquoise); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 2rem; max-width: 1400px; margin: 0 auto;
  font-size: .82rem; color: rgba(255,255,255,.35); flex-wrap: wrap; gap: .5rem;
}
.footer-bottom a { color: var(--turquoise); font-weight: 600; transition: color var(--transition); }
.footer-bottom a:hover { color: var(--turquoise-light); }

.cart-drawer {
  position: fixed; top: 0; right: 0;
  width: 420px; height: 100vh;
  background: var(--dark2); z-index: 1100;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: -8px 0 40px rgba(0,0,0,.5);
}
.cart-drawer.open { transform: translateX(0); }
.cart-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem; border-bottom: 1px solid var(--grey2);
}
.cart-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--white); }
.cart-close {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08); color: var(--white); font-size: 1rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.cart-close:hover { background: var(--turquoise); color: var(--black); transform: rotate(90deg); }
.cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.cart-item {
  display: flex; gap: 1rem; align-items: center;
  padding-bottom: 1rem; border-bottom: 1px solid var(--grey2);
}
.cart-item-img {
  width: 70px; height: 90px; border-radius: var(--radius-sm);
  background: var(--placeholder-bg); flex-shrink: 0;
  object-fit: cover;
}
.cart-item-info { flex: 1; }
.cart-item-name { font-weight: 600; font-size: .9rem; margin-bottom: .25rem; color: var(--white); }
.cart-item-qty { border-radius: 50px; margin-bottom: .35rem; }
.cart-item-qty button { width: 24px; height: 24px; font-size: .85rem; }
.cart-item-price { font-size: .9rem; color: var(--turquoise); font-weight: 700; }
.cart-item-remove {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08); font-size: .8rem; color: var(--grey4);
  transition: background var(--transition), color var(--transition);
}
.cart-item-remove:hover { background: #fee2e2; color: #dc2626; }
.cart-empty { text-align: center; padding: 3rem 1rem; color: var(--grey4); }
.cart-empty svg { opacity: .3; margin: 0 auto 1rem; }
.cart-footer {
  padding: 1.5rem; border-top: 1px solid var(--grey2);
  display: flex; flex-direction: column; gap: 1rem;
}
.cart-total { display: flex; justify-content: space-between; align-items: center; }
.cart-total span:first-child { font-weight: 500; color: var(--grey4); }
.cart-total span:last-child { font-size: 1.3rem; font-weight: 800; color: var(--white); }
.btn-checkout {
  width: 100%; padding: .9rem;
  background: var(--turquoise); color: var(--black);
  border-radius: 50px; font-size: .95rem; font-weight: 700;
  transition: background var(--transition), transform var(--transition);
}
.btn-checkout:hover { background: var(--turquoise-dark); transform: scale(1.01); }

.cart-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 1000; opacity: 0; pointer-events: none;
  transition: opacity .3s;
}
.cart-overlay.active { opacity: 1; pointer-events: all; }

@media (max-width: 1200px) {
  .productos-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .catalogo-container { grid-template-columns: 1fr; }
  .catalogo-sidebar { position: static; padding: 1rem 1.75rem; }
  .sidebar-heading { display: none; }
  .sidebar-toggle { display: flex; }
  .sidebar-body { max-height: 0; opacity: 0; pointer-events: none; }
  .sidebar-body.open { max-height: 600px; opacity: 1; pointer-events: auto; margin-top: 1rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .categorias-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .header-search { margin: 0 .75rem; }
  .main-nav { gap: 1.25rem; justify-content: flex-start; }
  .productos-grid { grid-template-columns: repeat(2, 1fr); }
  .editorial-inner { grid-template-columns: 1fr; }
  .deco-books { display: none; }
  .cart-drawer { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .header-search { display: none; }
  .productos-grid { grid-template-columns: 1fr; }
  .categorias-grid { grid-template-columns: 1fr 1fr; }
}