/* =========================================================
   VINILIKO — plantilla de tienda de papel tapiz
   Inspirada en la estructura de sitios de murales premium
   (nav mega-menu, hero de imagen completa, grid de categorías,
   listado de productos y ficha de producto).
   Reemplaza colores, tipografías, textos e imágenes por los tuyos.
   ========================================================= */

:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f7f5f2;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-border: #e6e2dc;
  --color-accent: #b08968;
  --color-accent-dark: #8a6a4f;
  --font-base: "Helvetica Neue", Arial, sans-serif;
  --max-width: 1280px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 10px;
}

h1, h2, h3 {
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0 0 12px;
}

h1 { font-size: 42px; }
h2 { font-size: 30px; }
h3 { font-size: 18px; }

p { color: var(--color-muted); margin: 0 0 16px; }

.btn {
  display: inline-block;
  padding: 14px 30px;
  border: 1px solid var(--color-text);
  background: var(--color-text);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover { background: #fff; color: var(--color-text); }

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-text);
}

.btn-outline:hover { background: var(--color-text); color: #fff; }

.btn-accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-accent:hover { background: transparent; color: var(--color-accent); }

/* ---------- Top utility bar ---------- */
.topbar {
  background: var(--color-text);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 8px 12px;
}

/* ---------- Header ---------- */
header.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-size: 22px;
  letter-spacing: 0.18em;
  font-weight: 600;
}

nav.main-nav { display: flex; gap: 32px; }

nav.main-nav > a {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 0;
  position: relative;
}

nav.main-nav > a:hover { color: var(--color-accent-dark); }

.header-icons { display: flex; gap: 20px; align-items: center; }
.header-icons a { font-size: 13px; letter-spacing: 0.04em; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 12px;
  color: var(--color-muted);
  padding: 16px 0;
  letter-spacing: 0.02em;
}

.breadcrumb a:hover { color: var(--color-accent-dark); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 78vh;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.28);
  z-index: -1;
}

.hero-content { max-width: 620px; padding: 0 20px; }
.hero-content h1 { font-size: 48px; color: #fff; }
.hero-content p { color: #f1f1f1; font-size: 16px; }

/* ---------- Section spacing ---------- */
section { padding: 72px 0; }
section.tight { padding: 48px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head p { margin: 0; }

/* ---------- Category grid ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
}

.category-tile {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.category-tile img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}

.category-tile:hover img { transform: scale(1.06); }

.category-tile span {
  position: absolute;
  bottom: 16px; left: 0; right: 0;
  text-align: center;
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 20px;
}

.product-card { position: relative; }

.product-card .thumb {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--color-bg-soft);
  margin-bottom: 12px;
}

.product-card .thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: opacity 0.3s ease;
}

.product-card .badge {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 8px;
}

.product-card h3 {
  font-size: 14px;
  margin-bottom: 4px;
}

.product-card .price {
  font-size: 13px;
  color: var(--color-muted);
}

/* ---------- Split / bestseller strip ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.split img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }

.split-copy { max-width: 440px; }

/* ---------- Steps (custom wallpaper) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.steps .step-number {
  width: 40px; height: 40px;
  border: 1px solid var(--color-text);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-size: 14px;
}

/* ---------- Newsletter ---------- */
.newsletter {
  background: var(--color-bg-soft);
  text-align: center;
}

.newsletter form {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 420px;
  margin: 0 auto;
}

.newsletter input {
  flex: 1;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-right: none;
  font-size: 13px;
}

.newsletter button {
  border-radius: 0;
}

/* ---------- Filters row ---------- */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-chip {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-chip.active,
.filter-chip:hover { border-color: var(--color-text); }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--color-muted);
}

.toolbar select {
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  font-size: 13px;
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  font-size: 13px;
}

.pagination a, .pagination span {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
}

.pagination .current { background: var(--color-text); color: #fff; border-color: var(--color-text); }

/* ---------- Product detail page ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
}

.gallery-main {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--color-bg-soft);
  margin-bottom: 12px;
}

.gallery-main img { width: 100%; height: 100%; object-fit: cover; }

.gallery-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }

.gallery-thumbs img {
  width: 76px; height: 92px;
  object-fit: cover;
  cursor: pointer;
  border: 1px solid transparent;
}

.gallery-thumbs img.active { border-color: var(--color-text); }

.product-info .price { font-size: 22px; margin-bottom: 20px; }

.option-group { margin-bottom: 24px; }

.option-group label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--color-muted);
}

.option-pills { display: flex; gap: 10px; flex-wrap: wrap; }

.option-pill {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  font-size: 13px;
  cursor: pointer;
}

.option-pill.selected { border-color: var(--color-text); background: var(--color-text); color: #fff; }

.qty-row { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }

.qty-control {
  display: flex;
  border: 1px solid var(--color-border);
}

.qty-control button {
  width: 36px; height: 36px;
  background: none; border: none; cursor: pointer; font-size: 16px;
}

.qty-control span { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; }

.accordion-item { border-top: 1px solid var(--color-border); }
.accordion-item:last-child { border-bottom: 1px solid var(--color-border); }

.accordion-item summary {
  padding: 16px 0;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 0.02em;
  list-style: none;
  display: flex;
  justify-content: space-between;
}

.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary::after { content: "+"; }
.accordion-item[open] summary::after { content: "\2212"; }
.accordion-item p { padding-bottom: 16px; }

/* ---------- Size mode toggle + calculator ---------- */
.size-mode-toggle {
  display: flex;
  border: 1px solid var(--color-border);
  margin-bottom: 14px;
  width: fit-content;
}

.size-mode-btn {
  background: none;
  border: none;
  padding: 9px 16px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--color-muted);
}

.size-mode-btn.active { background: var(--color-text); color: #fff; }

.calculator-box {
  border: 1px solid var(--color-border);
  padding: 20px;
  margin-top: 4px;
  background: var(--color-bg-soft);
}

.calculator-intro { font-size: 13px; margin-bottom: 16px; }

.calculator-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 6px;
}

.calculator-inputs label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.calculator-inputs input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  font-size: 14px;
  background: #fff;
}

.calculator-error {
  color: #b3261e;
  font-size: 12px;
  margin: 10px 0 0;
}

.calculator-result { margin-top: 20px; }

.panel-diagram {
  position: relative;
  display: flex;
  gap: 2px;
  height: 70px;
  margin-bottom: 16px;
  background: repeating-linear-gradient(45deg, #efece6, #efece6 6px, #e6e2d9 6px, #e6e2d9 12px);
}

.panel-diagram .panel-strip {
  background: var(--color-accent);
  opacity: 0.85;
  height: 100%;
  border-right: 1px solid rgba(255,255,255,0.6);
}

.panel-diagram .wall-line {
  position: absolute;
  top: -4px;
  bottom: -4px;
  border-left: 2px dashed var(--color-text);
}

.calculator-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin-bottom: 16px;
}

.calculator-stats div { display: flex; flex-direction: column; gap: 2px; }
.calculator-stats span { font-size: 11px; letter-spacing: 0.03em; text-transform: uppercase; color: var(--color-muted); }
.calculator-stats strong { font-size: 15px; font-weight: 400; }

.calculator-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  font-size: 18px;
}

.calculator-note { font-size: 11px; color: var(--color-muted); margin: 14px 0 0; }

/* ---------- Materials comparison table ---------- */
.materials-table-wrap { overflow-x: auto; }

table.materials-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

table.materials-table th, table.materials-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

table.materials-table th {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 400;
}

table.materials-table td:first-child, table.materials-table th:first-child {
  color: var(--color-text);
  font-weight: 500;
}

table.materials-table tbody tr:hover { background: var(--color-bg-soft); }

/* ---------- Color variants ---------- */
.color-variants { display: flex; gap: 14px; flex-wrap: wrap; }

.color-variant { text-align: center; cursor: pointer; }

.color-variant .swatch {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid transparent;
  margin: 0 auto 6px;
  transition: border-color 0.2s ease;
}

.color-variant.active .swatch, .color-variant:hover .swatch { border-color: var(--color-text); }

.color-variant span { font-size: 11px; color: var(--color-muted); }

/* ---------- Install steps (product page) ---------- */
.install-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.install-steps .step-number {
  width: 34px; height: 34px;
  border: 1px solid var(--color-text);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  font-size: 13px;
}

.install-steps h3 { font-size: 15px; }
.install-steps p { font-size: 13px; margin-bottom: 0; }

/* ---------- Cart page ---------- */
.cart-row {
  display: grid;
  grid-template-columns: 80px 1fr auto auto 32px;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.cart-row-img { width: 80px; height: 96px; object-fit: cover; background: var(--color-bg-soft); }
.cart-row-info h3 { font-size: 15px; margin-bottom: 4px; }
.cart-row-options, .cart-row-unit { font-size: 12px; color: var(--color-muted); margin: 0; }
.cart-row-total { font-size: 14px; min-width: 70px; text-align: right; }

.cart-row-remove {
  background: none; border: none; cursor: pointer;
  font-size: 20px; color: var(--color-muted);
}
.cart-row-remove:hover { color: var(--color-text); }

.cart-summary {
  max-width: 340px;
  margin-left: auto;
  padding-top: 24px;
}

.cart-summary-line {
  display: flex; justify-content: space-between;
  font-size: 15px; margin-bottom: 20px;
}

#cart-empty { text-align: center; padding: 60px 0; color: var(--color-muted); }

/* ---------- Checkout modal ---------- */
.checkout-modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; z-index: 200;
}

.checkout-modal-card {
  background: #fff;
  width: 100%; max-width: 420px;
  padding: 32px;
}

.checkout-modal-card .field { margin-bottom: 14px; }
.checkout-modal-card .field label {
  display: block; font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--color-muted); margin-bottom: 6px;
}
.checkout-modal-card .field input,
.checkout-modal-card .field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--color-border); font-size: 14px; font-family: inherit;
}

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--color-text);
  color: #d8d5d0;
  padding: 64px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 13px; }
.footer-grid li a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #9a9791;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  nav.main-nav { display: none; }
  .menu-toggle { display: block; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .product-detail { grid-template-columns: 1fr; gap: 28px; }
  .steps { grid-template-columns: 1fr; }
  .install-steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 32px; }
  .hero-content h1 { font-size: 34px; }
  .cart-row { grid-template-columns: 60px 1fr; grid-template-areas: "img info" "img qty" "img total"; }
  .cart-row-total { text-align: left; }
}