/* ============================================================
   MAISON FORMA — Main Stylesheet
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream:        #f5f2eb;
  --off-white:    #faf9f6;
  --charcoal:     #1c1b18;
  --mid:          #5a5850;
  --light-mid:    #9a9690;
  --border:       rgba(28,27,24,0.1);
  --border-strong:rgba(28,27,24,0.18);
  --serif:        'Cormorant Garamond', Georgia, serif;
  --sans:         'Jost', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-weight: 300;
  background: var(--off-white);
  color: var(--charcoal);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--sans); cursor: pointer; }

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Jost:wght@200;300;400&display=swap');

/* ============================================================
   NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4rem;
  background: rgba(250,249,246,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s, border-color 0.4s;
}
.site-header.transparent {
  background: transparent;
  border-bottom-color: transparent;
}
.site-logo {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal);
}
.site-header.transparent .site-logo { color: #fff; }

.main-nav ul {
  display: flex;
  gap: 2.5rem;
}
.main-nav a {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--light-mid);
  transition: color 0.25s;
}
.main-nav a:hover,
.main-nav .current-menu-item a,
.main-nav .current_page_item a { color: var(--charcoal); }
.site-header.transparent .main-nav a { color: rgba(255,255,255,0.75); }
.site-header.transparent .main-nav a:hover { color: #fff; }

/* ============================================================
   PAGE HEADER (Collection archive)
   ============================================================ */
.page-hero {
  padding: 10rem 4rem 5rem;
  background: var(--cream);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
}
.breadcrumb {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--light-mid);
  margin-bottom: 1.5rem;
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.breadcrumb a { color: var(--light-mid); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--mid); }
.page-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.01em;
}
.page-title em { font-style: italic; color: var(--light-mid); }
.page-desc {
  font-size: 0.82rem;
  line-height: 2;
  color: var(--mid);
  max-width: 440px;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}
.result-count {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--light-mid);
}
.result-count strong { color: var(--charcoal); font-weight: 300; }

/* ============================================================
   TOOLBAR
   ============================================================ */
.collection-toolbar {
  position: sticky;
  top: 72px;
  z-index: 100;
  background: rgba(250,249,246,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 4rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.filter-tabs {
  display: flex;
  height: 100%;
}
.filter-tab {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--light-mid);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0 1.2rem;
  height: 100%;
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 300;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.filter-tab:hover { color: var(--mid); }
.filter-tab.active { color: var(--charcoal); border-bottom-color: var(--charcoal); }

.toolbar-right { display: flex; align-items: center; gap: 1.5rem; }
.sort-select {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
  background: none;
  border: none;
  cursor: pointer;
  outline: none;
  appearance: none;
  padding-right: 1.1rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239a9690' stroke-width='1' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
}
.view-toggle { display: flex; gap: 2px; }
.view-btn {
  width: 30px; height: 30px;
  background: none;
  border: 1px solid transparent;
  display: flex; align-items: center; justify-content: center;
  border-radius: 2px;
  transition: border-color 0.2s;
}
.view-btn.active { border-color: var(--border-strong); }
.view-btn svg { opacity: 0.4; }
.view-btn.active svg { opacity: 0.9; }

/* ============================================================
   COLLECTION LAYOUT
   ============================================================ */
.collection-layout {
  display: flex;
  min-height: calc(100vh - 128px);
}

/* --- Sidebar --- */
.collection-sidebar {
  width: 240px;
  flex-shrink: 0;
  padding: 3rem 2rem 3rem 4rem;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 128px;
  height: calc(100vh - 128px);
  overflow-y: auto;
}
.filter-group { margin-bottom: 2.5rem; }
.filter-group-title {
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--light-mid);
  margin-bottom: 1rem;
}
.filter-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  cursor: pointer;
  gap: 0.5rem;
}
.filter-option label {
  font-size: 0.78rem;
  color: var(--mid);
  cursor: pointer;
  transition: color 0.2s;
  letter-spacing: 0.02em;
  flex: 1;
}
.filter-option:hover label { color: var(--charcoal); }
.filter-option input[type="checkbox"] {
  width: 12px; height: 12px;
  border: 1px solid var(--border-strong);
  border-radius: 1px;
  appearance: none;
  cursor: pointer;
  flex-shrink: 0;
  background: transparent;
  transition: background 0.15s, border-color 0.15s;
}
.filter-option input[type="checkbox"]:checked {
  background: var(--charcoal);
  border-color: var(--charcoal);
}
.filter-count { font-size: 0.65rem; color: var(--light-mid); }
.filter-divider { height: 1px; background: var(--border); margin-bottom: 2.5rem; }
.clear-filters {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--light-mid);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  padding: 0;
  transition: color 0.2s;
}
.clear-filters:hover { color: var(--charcoal); }

/* --- Grid area --- */
.collection-grid-area {
  flex: 1;
  padding: 3rem 4rem;
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */
.pieces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  transition: opacity 0.3s;
}
.pieces-grid.list-view {
  grid-template-columns: 1fr;
  gap: 0;
}

/* --- Piece card --- */
.piece-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  background: var(--off-white);
  transition: background 0.3s;
}
.piece-card:hover { background: var(--cream); }

.piece-thumbnail {
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
  background: var(--cream);
  transition: background 0.3s;
}
.piece-card:hover .piece-thumbnail { background: #ece9e0; }
.piece-thumbnail img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
}
.piece-card:hover .piece-thumbnail img { transform: scale(1.04); }

/* Placeholder when no image */
.piece-thumbnail-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.piece-thumbnail-placeholder svg { opacity: 0.18; }

.piece-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  font-size: 0.56rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--charcoal);
  color: #fff;
  padding: 0.25rem 0.55rem;
  z-index: 2;
}
.piece-badge.sold {
  background: transparent;
  color: var(--light-mid);
  border: 1px solid var(--border-strong);
}
.piece-badge.new-piece { background: #3a3629; }
.piece-badge.on-hold {
  background: transparent;
  color: var(--mid);
  border: 1px solid var(--border-strong);
}

.wishlist-btn {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 32px; height: 32px;
  background: rgba(250,249,246,0.85);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s, background 0.2s;
  z-index: 2;
}
.piece-card:hover .wishlist-btn { opacity: 1; }
.wishlist-btn:hover { background: #fff; }

.piece-info {
  padding: 1.2rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.piece-designer {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--light-mid);
}
.piece-name {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--charcoal);
}
.piece-meta {
  font-size: 0.7rem;
  color: var(--light-mid);
  letter-spacing: 0.03em;
  margin-top: 0.15rem;
}
.piece-price {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 300;
  color: var(--mid);
  margin-top: 0.5rem;
}
.piece-price.poe {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-family: var(--sans);
}

/* List view overrides */
.pieces-grid.list-view .piece-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--border);
}
.pieces-grid.list-view .piece-thumbnail { aspect-ratio: 4/3; }
.pieces-grid.list-view .piece-info {
  padding: 2rem 2.5rem;
  justify-content: center;
  gap: 0.5rem;
}
.pieces-grid.list-view .piece-name { font-size: 1.25rem; }
.piece-excerpt {
  display: none;
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--mid);
  margin-top: 0.5rem;
  max-width: 520px;
}
.pieces-grid.list-view .piece-excerpt { display: block; }
.piece-more {
  display: none;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--light-mid);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  margin-top: 0.8rem;
  align-self: flex-start;
  transition: color 0.2s;
}
.pieces-grid.list-view .piece-more { display: inline-block; }
.piece-more:hover { color: var(--charcoal); }

/* ============================================================
   EMPTY STATE & LOAD MORE
   ============================================================ */
.empty-state {
  display: none;
  padding: 6rem 0;
  text-align: center;
}
.empty-state.visible { display: block; }
.empty-state h3 {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 0.8rem;
}
.empty-state p { font-size: 0.8rem; color: var(--light-mid); }

.load-more-wrap {
  text-align: center;
  padding: 4rem 0 2rem;
}
.load-more-btn {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--mid);
  padding: 1rem 3rem;
  cursor: pointer;
  transition: all 0.3s;
}
.load-more-btn:hover {
  background: var(--charcoal);
  border-color: var(--charcoal);
  color: #fff;
}
.load-more-sub {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--light-mid);
  margin-top: 1rem;
}

/* ============================================================
   SINGLE PIECE
   ============================================================ */
.single-piece-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 72px);
  margin-top: 72px;
}
.piece-gallery {
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
  background: var(--cream);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.piece-gallery img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.piece-gallery-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.piece-gallery-placeholder svg { opacity: 0.12; }

.piece-detail {
  padding: 5rem;
  overflow-y: auto;
}
.piece-detail .breadcrumb { margin-bottom: 2.5rem; }
.piece-detail .piece-designer {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--light-mid);
  margin-bottom: 0.75rem;
}
.piece-detail h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.piece-detail .piece-sub {
  font-size: 0.75rem;
  color: var(--light-mid);
  letter-spacing: 0.06em;
  margin-bottom: 2.5rem;
}
.piece-detail-divider {
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}
.piece-description {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--mid);
  margin-bottom: 2rem;
}
.piece-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 2.5rem;
}
.spec-row {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.spec-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--light-mid);
  margin-bottom: 0.25rem;
}
.spec-value {
  font-size: 0.82rem;
  color: var(--charcoal);
  letter-spacing: 0.02em;
}
.piece-price-block {
  margin: 2.5rem 0;
}
.piece-price-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--light-mid);
  margin-bottom: 0.5rem;
}
.piece-price-value {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--charcoal);
}
.piece-price-value.poe {
  font-size: 1rem;
  font-family: var(--sans);
  letter-spacing: 0.08em;
}
.enquire-btn {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: var(--charcoal);
  color: #fff;
  padding: 1.1rem 3rem;
  border: 1px solid var(--charcoal);
  transition: all 0.3s;
  margin-right: 1rem;
}
.enquire-btn:hover {
  background: transparent;
  color: var(--charcoal);
}
.back-link {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--light-mid);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--charcoal); }
.provenance-note {
  font-size: 0.72rem;
  line-height: 1.8;
  color: var(--light-mid);
  font-style: italic;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* ============================================================
   HOMEPAGE HERO
   ============================================================ */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: #1c1b18;
}
.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,27,24,0.85) 30%, rgba(28,27,24,0.2) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 4rem 7rem;
  max-width: 680px;
  animation: fadeUp 1.2s ease both;
}
.hero-eyebrow {
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 300;
  line-height: 1.0;
  color: #fff;
  margin-bottom: 2rem;
}
.hero-title em { font-style: italic; color: rgba(255,255,255,0.55); }
.hero-body {
  font-size: 0.85rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.5);
  max-width: 460px;
  margin-bottom: 2.5rem;
}
.hero-cta {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.25);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.hero-cta:hover { color: #fff; border-color: rgba(255,255,255,0.7); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #161512;
  padding: 5rem 4rem 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}
.footer-brand {
  font-family: var(--serif);
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 1.2rem;
}
.footer-tagline {
  font-size: 0.75rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.22);
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1.4rem;
}
.footer-col a,
.footer-col p {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.28);
  margin-bottom: 0.7rem;
  transition: color 0.2s;
  letter-spacing: 0.03em;
}
.footer-col a:hover { color: rgba(255,255,255,0.65); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.2);
}
.footer-bottom a {
  color: rgba(255,255,255,0.2);
  margin-left: 2rem;
  transition: color 0.2s;
}
.footer-bottom a:hover { color: rgba(255,255,255,0.5); }

/* ============================================================
   NEWSLETTER BAR
   ============================================================ */
.newsletter-bar {
  background: var(--charcoal);
  padding: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
}
.newsletter-bar .bar-title {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 300;
  color: #fff;
  margin-bottom: 0.4rem;
}
.newsletter-bar p { font-size: 0.78rem; color: rgba(255,255,255,0.3); }
.newsletter-form { display: flex; min-width: 380px; }
.newsletter-form input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-right: none;
  padding: 1rem 1.5rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: #fff;
  outline: none;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.22); }
.newsletter-form button {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.55);
  padding: 1rem 1.8rem;
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
}
.newsletter-form button:hover { background: rgba(255,255,255,0.14); color: #fff; }

/* ============================================================
   ANIMATIONS & UTILITIES
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: none; }
}
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .pieces-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .site-header, .collection-toolbar { padding: 0 1.5rem; }
  .page-hero { padding: 9rem 1.5rem 3rem; grid-template-columns: 1fr; gap: 2rem; }
  .collection-sidebar { display: none; }
  .collection-grid-area { padding: 2rem 1.5rem; }
  .pieces-grid { grid-template-columns: repeat(2, 1fr); }
  .single-piece-layout { grid-template-columns: 1fr; }
  .piece-gallery { position: static; height: 60vw; }
  .piece-detail { padding: 2.5rem 1.5rem; }
  .newsletter-bar { flex-direction: column; align-items: flex-start; padding: 3rem 1.5rem; }
  .newsletter-form { min-width: 0; width: 100%; }
  .site-footer { padding: 3rem 1.5rem 2rem; }
  .footer-grid { gap: 2rem; }
  .hero-content { padding: 0 1.5rem 5rem; }
}
@media (max-width: 600px) {
  .pieces-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}