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

/* ── BASE THEME (Musée) ── */
:root {
  --bg: #f2f0eb;
  --ink: #0f0f09;
  --faint: #5c5b55;
  --rule: #ccc9c0;
  --gold: #9a7c3f;
  --serif: 'EB Garamond', Georgia, serif;
  --mono: 'Inconsolata', monospace;
}

/* ── THEME: NOIR ── */
body.theme-noir {
  --bg: #f7f5f0; --ink: #1c1a15; --faint: #8a8680;
  --rule: #e2ddd6; --gold: #6e6050;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono: 'Space Mono', monospace;
}
body.theme-noir .hero-name { letter-spacing: -0.04em; font-size: clamp(3.5rem, 8vw, 7.5rem); font-weight: 600; }
body.theme-noir .lb-buy { background: #1c1a15; }
body.theme-noir .form-submit { background: #1c1a15; }

/* ── THEME: ATELIER ── */
body.theme-atelier {
  --bg: #faf8f5; --ink: #1e1c18; --faint: #9a9590;
  --rule: #eae7e0; --gold: #b85c38;
  --serif: 'Lora', Georgia, serif;
  --mono: 'DM Mono', monospace;
}
body.theme-atelier #hero { padding-top: 18rem; padding-bottom: 10rem; }
body.theme-atelier .hero-name { font-size: clamp(3.5rem, 8vw, 7.5rem); font-weight: 600; }
body.theme-atelier .section { padding: 8rem 3rem; }
body.theme-atelier .lb-buy { background: #b85c38; }
body.theme-atelier .form-submit { background: #b85c38; }

/* ── THEME: OBSIDIAN ── */
body.theme-obsidian {
  --bg: #0d0c0a; --ink: #e8e4db; --faint: #6a6660;
  --rule: #2a2820; --gold: #c9a96e;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono: 'Space Mono', monospace;
}
body.theme-obsidian .hero-name { font-weight: 600; letter-spacing: -0.04em; }
body.theme-obsidian #lightbox { background: rgba(13,12,10,0.97); }
body.theme-obsidian .lb-buy { background: var(--gold); color: #0d0c0a; }
body.theme-obsidian .form-submit { background: var(--gold); color: #0d0c0a; }
body.theme-obsidian .section-label { color: var(--gold); }
body.theme-obsidian .snav-link.active { color: var(--gold); border-color: var(--gold); }

/* ── THEME: STUDIO ── */
body.theme-studio {
  --bg: #ffffff; --ink: #111111; --faint: #888888;
  --rule: #e8e8e8; --gold: #111111;
  --serif: 'DM Mono', monospace;
  --mono: 'DM Mono', monospace;
}
body.theme-studio .hero-name { font-style: normal; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 300; font-size: clamp(2rem, 5vw, 4.5rem); }
body.theme-studio .hero-tagline { font-size: 0.85rem; }
body.theme-studio .section { border-top-width: 2px; border-top-color: #111111; }
body.theme-studio .lb-buy { background: #111111; }
body.theme-studio .form-submit { background: #111111; }

/* ── THEME: VERDIGRIS ── */
body.theme-verdigris {
  --bg: #f2f1ec; --ink: #1a1f18; --faint: #7a8a78;
  --rule: #dddbd3; --gold: #4e7a52;
  --serif: 'Lora', Georgia, serif;
  --mono: 'DM Mono', monospace;
}
body.theme-verdigris .hero-name { font-size: clamp(3.5rem, 8vw, 7.5rem); font-weight: 600; }
body.theme-verdigris .section { padding: 8rem 3rem; }
body.theme-verdigris .lb-buy { background: var(--gold); }
body.theme-verdigris .form-submit { background: var(--gold); }

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.6;
  opacity: 0;
  transition: opacity 0.4s;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 2rem 3rem;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  transition: transform 0.35s ease;
}
.logo {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--faint);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }

/* ── HERO ── */
#hero {
  padding: 14rem 3rem 7rem;
  max-width: 900px;
}
.hero-name {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: up 1s 0.1s ease forwards;
}
.hero-tagline {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  max-width: 50ch;
  line-height: 2.2;
  opacity: 0;
  animation: up 1s 0.35s ease forwards;
}

/* ── FEATURED / SLIDESHOW ── */
#featured { border-top: 1px solid var(--rule); }
.featured-header {
  padding: 4rem 3rem 2.5rem;
}
.slideshow {
  position: relative; width: 100%; height: 65vh;
  overflow: hidden; background: var(--ink); cursor: pointer;
}
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease; }
.slide.active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.slide-prev, .slide-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,0.28); border: none;
  font-size: 2.2rem; color: rgba(255,255,255,0.9);
  cursor: pointer; z-index: 10; padding: 0.6rem 0.9rem;
  transition: background 0.2s; line-height: 1;
}
.slide-prev { left: 0; } .slide-next { right: 0; }
.slide-prev:hover, .slide-next:hover { background: rgba(0,0,0,0.5); }
.slide-info {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 100%);
  display: flex; align-items: flex-end; gap: 1rem; pointer-events: none;
}
.slide-num  { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.18em; color: rgba(255,255,255,0.6); }
.slide-title { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: #fff; line-height: 1.25; }
.slide-progress { position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: rgba(255,255,255,0.15); z-index: 5; }
.slide-progress-bar { height: 100%; background: rgba(255,255,255,0.6); width: 0%; }

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--rule);
}
.featured-item {
  aspect-ratio: 4/5;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: var(--bg);
}
.featured-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}
.featured-item:hover img { transform: scale(1.04); }
.ft-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.58) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem 1.25rem;
}
.featured-item:hover .ft-overlay { opacity: 1; }
.ft-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: #fff;
  line-height: 1.25;
}

/* ── SECTION NAV ── */
.section-nav {
  position: sticky;
  top: 81px;
  z-index: 90;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 1rem 3rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  transition: top 0.35s ease;
}
.section-nav::-webkit-scrollbar { display: none; }
.snav-link {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  text-decoration: none;
  white-space: nowrap;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.snav-link:hover { color: var(--ink); }
.snav-link.active { color: var(--ink); border-color: var(--ink); }
.snav-toggle {
  margin-left: auto;
  background: none; border: none; cursor: pointer;
  font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.12em; color: var(--faint);
  padding: 0 0.25rem; flex-shrink: 0;
  transition: color 0.2s;
}
.snav-toggle:hover { color: var(--ink); }
.section-nav.collapsed .snav-link { display: none; }

/* ── SECTION WRAPPER ── */
.section {
  padding: 6rem 3rem;
  border-top: 1px solid var(--rule);
}
.section-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 4rem;
}

/* ── WORKS GRID ── */
.works-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.work-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--rule);
  cursor: pointer;
  transition: background 0.2s;
}
.work-row:hover { background: rgba(0,0,0,0.015); }
.work-row:nth-child(odd) { padding-right: 3rem; }
.work-row:nth-child(even) { padding-left: 3rem; border-left: 1px solid var(--rule); }

.work-num {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--faint);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}
.work-preview {
  width: 100%;
  aspect-ratio: 3/4;
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.work-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.work-row:hover .work-preview img { transform: scale(1.02); }
.work-title { font-size: 1.4rem; font-style: italic; line-height: 1.2; margin-bottom: 0.4rem; }
.work-meta { font-family: var(--mono); font-size: 0.62rem; font-weight: 300; letter-spacing: 0.1em; color: var(--faint); line-height: 2; }
.work-right { text-align: right; padding-top: 1.4rem; }
.work-price { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--gold); margin-bottom: 1rem; display: block; }
.work-acquire {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: none;
  border: 1px solid var(--rule);
  color: var(--faint);
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  display: block;
  white-space: nowrap;
  text-decoration: none;
}
.work-acquire:hover { border-color: var(--gold); color: var(--gold); }

/* ── ABOUT ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; }
.about-body { font-size: 1.1rem; line-height: 1.85; }
.about-body p + p { margin-top: 1.5rem; }
.about-meta { padding-top: 0.25rem; }
.meta-row {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}
.meta-row:first-child { border-top: 1px solid var(--rule); }
.meta-key { color: var(--faint); text-transform: uppercase; }
.meta-val { color: var(--ink); text-align: right; }

/* ── INQUIRE ── */
.inquire-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; }
.inquire-intro p { font-size: 1.05rem; line-height: 1.9; color: var(--faint); margin-bottom: 3rem; max-width: 38ch; }
.contact-block { margin-bottom: 1.5rem; }
.contact-lbl { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--faint); margin-bottom: 0.25rem; }
.contact-val { font-style: italic; font-size: 1rem; }
.contact-val a { color: var(--ink); text-decoration: none; }
.contact-val a:hover { text-decoration: underline; }
form { display: flex; flex-direction: column; gap: 2rem; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
label { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--faint); }
input, textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 0.6rem 0;
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  resize: none;
  appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--faint); font-style: italic; }
input:focus, textarea:focus { border-color: var(--ink); }
textarea { min-height: 80px; }
.form-submit {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--bg);
  border: none;
  padding: 0.9rem 2.2rem;
  cursor: pointer;
  transition: opacity 0.2s;
}
.form-submit:hover { opacity: 0.7; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
footer p { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--faint); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--faint); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--ink); }

/* ── LIGHTBOX ── */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(250,249,247,0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
#lightbox.open { opacity: 1; pointer-events: all; }
.lb-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  width: min(960px, 94vw);
  max-height: 90vh;
  border: 1px solid var(--rule);
  background: var(--bg);
  transform: translateY(12px);
  transition: transform 0.4s ease;
}
#lightbox.open .lb-inner { transform: translateY(0); }
.lb-art { aspect-ratio: 1; position: relative; overflow: hidden; }
.lb-art img { width: 100%; height: 100%; object-fit: cover; display: block; transition: opacity 0.15s ease; }
.lb-prev, .lb-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.28);
  border: none;
  font-size: 2.2rem;
  color: rgba(255,255,255,0.9);
  cursor: pointer;
  z-index: 10;
  padding: 0.6rem 0.9rem;
  transition: background 0.2s;
  line-height: 1;
}
.lb-prev { left: 0; }
.lb-next { right: 0; }
.lb-prev:hover, .lb-next:hover { background: rgba(0,0,0,0.5); }
.lb-prev.hidden, .lb-next.hidden { display: none; }
.lb-panel { border-left: 1px solid var(--rule); padding: 2.5rem; display: flex; flex-direction: column; overflow-y: auto; }
.lb-close { align-self: flex-end; background: none; border: none; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); cursor: pointer; margin-bottom: 2.5rem; transition: color 0.2s; }
.lb-close:hover { color: var(--ink); }
.lb-yr { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.18em; color: var(--faint); text-transform: uppercase; margin-bottom: 0.75rem; }
.lb-title { font-size: 1.9rem; font-style: italic; line-height: 1.15; margin-bottom: 0.4rem; }
.lb-medium { font-family: var(--mono); font-size: 0.62rem; color: var(--faint); letter-spacing: 0.08em; margin-bottom: 2rem; }
.lb-desc { font-size: 0.92rem; line-height: 1.85; color: var(--faint); flex: 1; margin-bottom: 2rem; }
.lb-price-row { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--rule); padding-top: 1.25rem; margin-bottom: 1.25rem; }
.lb-price-lbl { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); }
.lb-price { font-family: var(--mono); font-size: 1.05rem; letter-spacing: 0.05em; color: var(--gold); }
.lb-buy { display: block; width: 100%; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; background: var(--ink); color: var(--bg); border: none; padding: 0.9rem; cursor: pointer; margin-bottom: 0.75rem; transition: opacity 0.2s; text-decoration: none; text-align: center; }
.lb-buy:hover { opacity: 0.7; }
.lb-inquire { display: block; width: 100%; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; background: none; color: var(--faint); border: 1px solid var(--rule); padding: 0.9rem; cursor: pointer; transition: color 0.2s, border-color 0.2s; text-decoration: none; text-align: center; }
.lb-inquire:hover { color: var(--ink); border-color: var(--ink); }

/* ── BACK TO TOP ── */
#back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--ink);
  color: var(--bg);
  border: none;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 200;
}
#back-top.visible { opacity: 1; pointer-events: all; }

/* ── UTILS ── */
@keyframes up {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.on { opacity: 1; transform: translateY(0); }

/* ── HAMBURGER ── */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; color: var(--ink); font-size: 1.4rem; line-height: 1; }

/* ── COLLECTION PAGE HEADER ── */
.collection-hero { padding: 12rem 3rem 6rem; }
.collection-title {
  font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 400; font-style: italic; line-height: 1;
  letter-spacing: -0.02em; margin-bottom: 1.5rem;
  opacity: 0; animation: up 1s 0.1s ease forwards;
}
.collection-subtitle {
  font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint);
  opacity: 0; animation: up 1s 0.35s ease forwards;
}

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  nav { padding: 1.25rem 1.5rem; flex-wrap: wrap; align-items: center; }
  .nav-toggle { display: block; }
  .nav-links { display: none; flex-direction: column; width: 100%; border-top: 1px solid var(--rule); margin-top: 1rem; padding-top: 1rem; padding-bottom: 0.5rem; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.9rem 0; font-size: 0.75rem; border-bottom: 1px solid var(--rule); }
  .nav-links li:last-child a { border-bottom: none; }

  .section { padding: 4rem 1.5rem; }
  #hero { padding: 9rem 1.5rem 4rem; }
  .featured-header { padding: 3rem 1.5rem 1.5rem; }
  .slideshow { height: 56vw; }

  .section-nav { padding: 1rem 1.5rem; gap: 1.5rem; }

  .works-list { grid-template-columns: 1fr; }
  .work-row:nth-child(even) { border-left: none; padding-left: 0; }
  .work-row:nth-child(odd) { padding-right: 0; }
  .work-right { padding-top: 0; display: flex; align-items: center; gap: 1rem; }
  .work-price { margin-bottom: 0; }
  .work-acquire { min-height: 44px; display: flex; align-items: center; justify-content: center; padding: 0.5rem 1rem; }

  .about-grid, .inquire-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; gap: 1.5rem; }
  .form-submit { width: 100%; min-height: 52px; }

  .lb-inner { grid-template-columns: 1fr; max-height: 95vh; overflow-y: auto; }
  .lb-art { aspect-ratio: 4/3; }
  .lb-panel { padding: 1.5rem; }

  footer { flex-direction: column; gap: 0.75rem; text-align: center; padding: 1.5rem; }
  #back-top { bottom: 1.25rem; right: 1.25rem; }

  .collection-hero { padding: 8rem 1.5rem 4rem; }
}