/* ==========================================================
   Viet Noir — stylesheet
   Palette: lacquer black, aged gold, vermillion, jade, ivory
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Jost:wght@300;400;500;600&display=swap');

:root {
  --black: #0b0b0c;
  --black-soft: #141416;
  --panel: #18181b;
  --line: #2a2a2e;
  --gold: #c9a227;
  --gold-soft: #e2c565;
  --red: #7a1e1e;
  --jade: #1f2f24;
  --ivory: #ece7d8;
  --ivory-dim: #b9b4a4;
  --max-width: 1280px;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black);
  color: var(--ivory);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  -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 28px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin: 0 0 0.5em;
  color: var(--ivory);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 14px;
  display: block;
}

p { margin: 0 0 1em; color: var(--ivory-dim); }

.btn {
  display: inline-block;
  padding: 14px 30px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.btn:hover { background: var(--gold); color: var(--black); }

.btn.solid {
  background: var(--gold);
  color: var(--black);
}
.btn.solid:hover { background: var(--gold-soft); }

.btn.ghost {
  border-color: var(--line);
  color: var(--ivory-dim);
}
.btn.ghost:hover { border-color: var(--gold); color: var(--gold-soft); background: transparent; }

.btn.small { padding: 10px 20px; font-size: 0.7rem; }

/* ---------- placeholder notice banner ---------- */
.demo-banner {
  background: var(--red);
  color: var(--ivory);
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  padding: 9px 16px;
}
.demo-banner strong { color: var(--gold-soft); }

/* ---------- header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 12, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.08em;
  color: var(--ivory);
}
.logo em { font-style: normal; color: var(--gold); }
.logo .sub {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ivory-dim);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a { color: var(--ivory-dim); transition: color 0.2s ease; padding-bottom: 4px; border-bottom: 1px solid transparent; }
.nav-links a:hover, .nav-links a.active { color: var(--gold-soft); border-color: var(--gold); }

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--ivory);
  padding: 8px 12px;
  font-size: 1rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--black-soft); flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 16px 28px; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: inline-block; }
  .nav-cta .btn.small { display: none; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,11,12,0.15) 0%, rgba(11,11,12,0.55) 55%, rgba(11,11,12,0.96) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 28px 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  max-width: 14ch;
  line-height: 1.05;
}
.hero p.lead {
  max-width: 46ch;
  font-size: 1.05rem;
  color: var(--ivory-dim);
}
.hero-actions { display: flex; gap: 16px; margin-top: 22px; flex-wrap: wrap; }

/* ---------- sections ---------- */
section { padding: 96px 0; }
section.tight { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- painting grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px 28px;
}
@media (max-width: 960px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }

.card {
  display: block;
  color: inherit;
}
.card-frame {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  aspect-ratio: 4 / 3;
}
.card-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform 0.6s ease;
}
.card:hover .card-frame img { transform: scale(1.015); }

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11,11,12,0.82);
  border: 1px solid var(--line);
  color: var(--ivory-dim);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 10px;
}
.badge.sold { color: var(--gold-soft); border-color: var(--gold); }
.badge.placeholder-tag {
  top: auto;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(11,11,12,0.72);
  font-size: 0.6rem;
  text-align: center;
}

.card-meta { padding: 16px 2px 0; }
.card-meta .artist { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 4px; }
.card-meta h3 { font-size: 1.3rem; margin-bottom: 4px; }
.card-meta .specs { font-size: 0.78rem; color: var(--ivory-dim); margin-bottom: 6px; }
.card-meta .price { font-family: var(--font-body); font-size: 0.85rem; color: var(--ivory); letter-spacing: 0.03em; }

/* ---------- filters ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 42px;
}
.filter-btn {
  padding: 9px 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ivory-dim);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-btn:hover { border-color: var(--gold); color: var(--gold-soft); }
.filter-btn.active { background: var(--gold); border-color: var(--gold); color: var(--black); }

/* ---------- artist / services strip ---------- */
.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.strip-item {
  background: var(--black);
  padding: 40px 32px;
}
.strip-item .num { font-family: var(--font-display); font-size: 1.4rem; color: var(--gold); margin-bottom: 14px; display: block; }
@media (max-width: 760px) { .strip { grid-template-columns: 1fr; } }

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 0;
}
.stats .stat b { display: block; font-family: var(--font-display); font-size: 2.4rem; color: var(--gold-soft); font-weight: 500; }
.stats .stat span { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ivory-dim); }
@media (max-width: 700px) { .stats { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- two-column layout ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split img { width: 100%; }

/* ---------- footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 28px;
  background: var(--black-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { font-family: var(--font-body); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 16px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 0.86rem; color: var(--ivory-dim); }
.footer-grid a:hover { color: var(--gold-soft); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.76rem;
  color: var(--ivory-dim);
}
.social-row { display: flex; gap: 16px; }

/* ---------- forms ---------- */
form.card-form {
  display: grid;
  gap: 18px;
}
.field { display: grid; gap: 8px; }
.field label { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ivory-dim); }
.field input,
.field select,
.field textarea {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ivory);
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 0.92rem;
}
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--gold); }
.field textarea { min-height: 130px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }

.form-note { font-size: 0.78rem; color: var(--ivory-dim); }
.form-success {
  display: none;
  border: 1px solid var(--gold);
  padding: 18px 20px;
  color: var(--gold-soft);
  font-size: 0.9rem;
}
.form-success.show { display: block; }

/* ---------- breadcrumb ---------- */
.crumb {
  font-size: 0.76rem;
  color: var(--ivory-dim);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.crumb a:hover { color: var(--gold-soft); }

/* ---------- painting detail ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
}
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; gap: 36px; } }
.detail-image { background: var(--panel); overflow: hidden; padding: clamp(14px, 2vw, 28px); }
.detail-image img { width: 100%; max-height: 78vh; object-fit: contain; }

.detail-info .artist-link { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 10px; display: inline-block; }
.detail-info h1 { font-size: 2.4rem; margin-bottom: 6px; }
.detail-info .en-title { color: var(--ivory-dim); font-style: italic; font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 18px; }

.spec-table { border-top: 1px solid var(--line); margin: 24px 0; }
.spec-row { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 0.88rem; }
.spec-row .k { color: var(--ivory-dim); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.72rem; }
.spec-row .v { color: var(--ivory); text-align: right; }

.availability { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 20px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-soft); }
.dot.sold { background: #7a7a72; }

.detail-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }

.related-heading { margin-top: 90px; margin-bottom: 28px; }

/* ---------- misc ---------- */
.center-text { text-align: center; }
.mt-lg { margin-top: 60px; }
.small-note { font-size: 0.76rem; color: var(--ivory-dim); }
.tag-pill {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 5px 12px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ivory-dim);
  margin-right: 8px;
  margin-bottom: 8px;
}

.timeline { border-left: 1px solid var(--line); padding-left: 28px; display: grid; gap: 40px; margin-top: 20px;}
.timeline-item .yr { color: var(--gold-soft); font-family: var(--font-display); font-size: 1.2rem; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--ivory-dim); }

/* ---------- launch-ready collection preview ---------- */
button,
input,
select,
textarea { font: inherit; }

:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 4px;
}

.page-intro { padding-top: 86px; }

.surface-section {
  background: var(--black-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.grid-single {
  grid-template-columns: minmax(0, 820px);
}

.grid-single .card-frame { aspect-ratio: 2 / 1; }
.grid-single .card-meta { max-width: 680px; }

.collection-note {
  max-width: 820px;
  margin-top: 42px;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}

.collection-note h3 {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  max-width: 28ch;
}

.text-link {
  color: var(--gold-soft);
  border-bottom: 1px solid rgba(226, 197, 101, 0.45);
  padding-bottom: 3px;
}

.text-link:hover { border-color: var(--gold-soft); }

.editorial-image {
  overflow: hidden;
  background: var(--panel);
}

.editorial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.editorial-image-wide {
  aspect-ratio: 2 / 1;
  margin-top: 22px;
}

.catalog-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: -18px 0 42px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ivory-dim);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.catalog-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.catalog-note {
  margin: 24px 0;
  padding: 18px 20px;
  background: rgba(201, 162, 39, 0.06);
  border-left: 2px solid var(--gold);
}

.catalog-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--gold-soft);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.catalog-note p { margin: 0; font-size: 0.88rem; }

.principle-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.principle-list > div {
  position: relative;
  padding: 28px 28px 26px 64px;
  background: var(--black-soft);
}

.principle-list > div > span {
  position: absolute;
  top: 30px;
  left: 24px;
  color: var(--gold);
  font-family: var(--font-display);
}

.principle-list h3 { margin-bottom: 4px; }
.principle-list p { margin: 0; }

.assurance { align-items: start; }
.centered-actions { justify-content: center; }

.contact-layout {
  align-items: start;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
}

.contact-aside {
  position: sticky;
  top: 120px;
  padding: 30px;
  background: var(--black-soft);
  border: 1px solid var(--line);
}

.optional {
  color: var(--ivory-dim);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: none;
}

.footer-intro { margin-top: 14px; max-width: 34ch; }

.footer-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ivory-dim);
  cursor: pointer;
  font-size: inherit;
}

.footer-button:hover { color: var(--gold-soft); }

/* ---------- site inquiry box ---------- */
.inquiry-widget {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 100;
}

.inquiry-launcher {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: var(--black);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.inquiry-launcher:hover { background: var(--gold-soft); }

.inquiry-panel {
  position: absolute;
  right: 0;
  bottom: 62px;
  width: min(390px, calc(100vw - 28px));
  max-height: min(720px, calc(100vh - 110px));
  overflow-y: auto;
  padding: 26px;
  background: #111113;
  border: 1px solid var(--line);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.6);
}

.inquiry-panel[hidden] { display: none; }

.inquiry-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.inquiry-panel-head h2 { font-size: 1.75rem; }

.inquiry-close {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ivory);
  cursor: pointer;
  font-size: 1.45rem;
  line-height: 1;
}

.inquiry-close:hover { border-color: var(--gold); color: var(--gold-soft); }

.quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.quick-prompts button {
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ivory-dim);
  cursor: pointer;
  font-size: 0.68rem;
}

.quick-prompts button:hover { border-color: var(--gold); color: var(--gold-soft); }

.widget-form { display: grid; gap: 12px; }

.widget-form label {
  display: grid;
  gap: 6px;
  color: var(--ivory-dim);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.widget-form input,
.widget-form textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ivory);
}

.widget-form textarea { min-height: 88px; resize: vertical; }

.widget-status {
  display: none;
  padding: 11px 12px;
  border: 1px solid var(--line);
  color: var(--ivory-dim);
  font-size: 0.78rem;
}

.widget-status.show { display: block; }
.widget-status.success { border-color: var(--gold); color: var(--gold-soft); }
.widget-status.error { border-color: #9e4b4b; color: #e8a1a1; }
.widget-status a { text-decoration: underline; }

.widget-full-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--gold-soft);
  font-size: 0.72rem;
  text-decoration: underline;
}

@media (max-width: 860px) {
  .contact-layout { grid-template-columns: 1fr; }
  .contact-aside { position: static; }
}

@media (max-width: 600px) {
  .wrap { padding: 0 20px; }
  .nav { padding: 16px 20px; }
  .hero { min-height: 78vh; background-position: center; }
  .hero-content { padding: 0 20px 48px; }
  section { padding: 72px 0; }
  section.tight { padding: 52px 0; }
  .grid-single .card-frame { aspect-ratio: 16 / 10; }
  .catalog-legend { display: grid; }
  .editorial-image-wide { aspect-ratio: 4 / 3; }
  .inquiry-widget { right: 14px; bottom: 14px; }
  .inquiry-panel { position: fixed; right: 14px; bottom: 74px; }
  .inquiry-launcher { padding: 11px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.confirmation-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 80px 0;
  background:
    linear-gradient(90deg, rgba(11, 11, 12, 0.96), rgba(11, 11, 12, 0.72)),
    url('../images/du-goldfish-lotus.jpg') center / cover;
}

.confirmation-card {
  max-width: 760px;
  margin: 0 auto;
}

.confirmation-card h1 { font-size: clamp(3rem, 8vw, 5.5rem); }
.confirmation-card p { max-width: 58ch; font-size: 1.05rem; }