/* ─────────────────────────────────────────────
   MARFAING2024.FR — CSS Principal
   Palette : ivoire chaud, encre noire, or pâle
   ───────────────────────────────────────────── */

:root {
  --ink:       #1a1a16;
  --ink-soft:  #2e2e28;
  --parchment: #f5f0e8;
  --cream:     #ede8dc;
  --gold:      #c9b882;
  --gold-light:#e0cc96;
  --text:      #3a3830;
  --text-muted:#7a7468;
  --border:    rgba(58,56,48,.12);

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Jost', sans-serif;

  --ease: cubic-bezier(.4,0,.2,1);
  --radius: 2px;
}

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

html { scroll-behavior:smooth; }

body {
  background: var(--parchment);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── GRAIN ── */
.grain {
  position: fixed; inset:0; z-index:9999;
  pointer-events:none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity:.4;
}

/* ── HEADER ── */
.site-header {
  position: sticky; top:0; z-index:100;
  background: rgba(245,240,232,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { max-width:1400px; margin:0 auto; padding:0 40px; }
.header-top {
  display: flex; align-items:center; justify-content:space-between;
  height: 72px;
}
.logo {
  text-decoration:none; text-align:center; line-height:1.1;
}
.logo-main {
  display:block;
  font-family: var(--font-serif);
  font-size: 1.8rem; font-weight:600; letter-spacing:.15em;
  color: var(--ink);
  text-transform: uppercase;
}
.logo-sub {
  display:block;
  font-size:.65rem; letter-spacing:.25em; text-transform:uppercase;
  color: var(--text-muted);
}
.nav-left, .nav-right { display:flex; gap:32px; align-items:center; min-width:160px; }
.nav-right { justify-content:flex-end; }
.nav-left a, .nav-right a {
  font-size:.8rem; letter-spacing:.12em; text-transform:uppercase;
  color: var(--text-muted); text-decoration:none;
  transition: color .2s;
}
.nav-left a:hover, .nav-left a.active,
.nav-right a:hover { color: var(--ink); }

.filter-toggle {
  font-family: var(--font-sans);
  font-size:.75rem; letter-spacing:.1em; text-transform:uppercase;
  background:none; border:1px solid var(--border); border-radius:20px;
  padding:6px 16px; color:var(--text-muted); cursor:pointer;
  transition: all .2s;
}
.filter-toggle:hover { border-color: var(--gold); color:var(--ink); }

/* ── HERO ── */
.hero {
  min-height:92vh;
  display:flex; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
  background: var(--ink);
  padding: 80px 40px;
}
.hero-content { text-align:center; position:relative; z-index:2; }
.hero-title {
  font-family: var(--font-serif);
  color: var(--parchment);
  line-height:1;
  margin-bottom:28px;
}
.hero-title .line-1 {
  display:block; font-size:clamp(1.5rem,4vw,2.5rem);
  font-weight:300; letter-spacing:.3em; text-transform:uppercase;
  opacity:.7; margin-bottom:8px;
  animation: fadeUp .8s var(--ease) both;
}
.hero-title .line-2 {
  display:block; font-size:clamp(5rem,14vw,11rem);
  font-weight:400; font-style:italic; letter-spacing:-.02em;
  color: var(--gold);
  animation: fadeUp .8s .15s var(--ease) both;
}
.hero-title .line-3 {
  display:block; font-size:clamp(1.2rem,3vw,2rem);
  font-weight:300; letter-spacing:.4em; text-transform:uppercase;
  opacity:.6;
  animation: fadeUp .8s .3s var(--ease) both;
}
.hero-desc {
  color:rgba(245,240,232,.6);
  font-size:.95rem; letter-spacing:.05em;
  margin-bottom:40px;
  animation: fadeUp .8s .45s var(--ease) both;
}
.cta-btn {
  display:inline-block;
  font-size:.8rem; letter-spacing:.2em; text-transform:uppercase;
  color: var(--ink); background: var(--gold);
  padding:14px 36px; text-decoration:none; border-radius:1px;
  transition: background .2s, transform .2s;
  animation: fadeUp .8s .6s var(--ease) both;
}
.cta-btn:hover { background:var(--gold-light); transform:translateY(-2px); }

.hero-deco {
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  opacity:.15; pointer-events:none;
}
.deco-svg { width: min(600px,90vw); color:var(--gold); }

@keyframes fadeUp {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ── GALERIE ── */
.galerie-section {
  max-width:1400px; margin:0 auto;
  padding:80px 40px 120px;
}
.section-header {
  display:flex; align-items:baseline; gap:16px;
  margin-bottom:56px;
  border-bottom:1px solid var(--border); padding-bottom:24px;
}
.section-title {
  font-family:var(--font-serif); font-size:2.2rem; font-weight:400;
}
.section-count {
  font-size:.8rem; color:var(--text-muted); letter-spacing:.1em; text-transform:uppercase;
}

/* Masonry grid */
.masonry-grid {
  columns: 4;
  column-gap: 24px;
}
@media(max-width:1200px){ .masonry-grid{ columns:3; } }
@media(max-width:800px){ .masonry-grid{ columns:2; } }
@media(max-width:500px){ .masonry-grid{ columns:1; } }

.oeuvre-card {
  break-inside:avoid;
  margin-bottom:24px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.oeuvre-card:hover {
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(26,26,22,.12);
}
.oeuvre-card.is-vendu { opacity:.6; }

.card-image-wrap { position:relative; overflow:hidden; }
.card-image {
  display:block; width:100%; height:auto;
  cursor:zoom-in;
  transition: transform .5s var(--ease);
}
.oeuvre-card:hover .card-image { transform:scale(1.03); }

.vendu-badge {
  position:absolute; top:12px; right:12px;
  background:var(--ink); color:var(--parchment);
  font-size:.65rem; letter-spacing:.15em; text-transform:uppercase;
  padding:5px 12px; border-radius:1px;
}

.card-info { padding:20px; }
.card-titre {
  font-family:var(--font-serif); font-size:1.1rem; font-weight:400;
  margin-bottom:8px; color:var(--ink);
}
.card-desc {
  font-size:.82rem; color:var(--text-muted); line-height:1.55;
  margin-bottom:12px;
}
.card-footer { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.card-prix {
  font-family:var(--font-serif); font-size:1.25rem; font-weight:600;
  color:var(--ink); letter-spacing:.02em;
}
.card-prix.prix-vendu { text-decoration:line-through; color:var(--text-muted); font-size:1rem; }
.btn-contact-oeuvre {
  font-size:.72rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--text-muted); border:1px solid var(--border);
  padding:6px 14px; text-decoration:none; border-radius:1px;
  transition: all .2s;
}
.btn-contact-oeuvre:hover {
  color:var(--ink); border-color:var(--gold); background:var(--cream);
}

.empty-state {
  text-align:center; padding:100px 20px;
  color:var(--text-muted); font-size:1rem; line-height:2;
}

/* ── LIGHTBOX ── */
.lightbox {
  display:none; position:fixed; inset:0; z-index:9000;
  background:rgba(15,15,12,.92);
  align-items:center; justify-content:center;
  cursor:zoom-out;
}
.lightbox.open { display:flex; }
.lightbox-close {
  position:absolute; top:24px; right:32px;
  background:none; border:none; color:#fff;
  font-size:1.5rem; cursor:pointer; opacity:.7;
  transition:opacity .2s;
}
.lightbox-close:hover { opacity:1; }
.lightbox-inner { text-align:center; }
.lightbox-inner img {
  max-width:90vw; max-height:85vh; object-fit:contain;
  border-radius:2px;
}
#lightboxCaption {
  color:rgba(245,240,232,.6); margin-top:16px;
  font-family:var(--font-serif); font-style:italic; font-size:1rem;
}

/* ── CONTACT ── */
.contact-page {
  min-height:calc(100vh - 72px);
  display:flex; align-items:center;
  padding:80px 40px;
}
.contact-container {
  max-width:1100px; margin:0 auto; width:100%;
  display:grid; grid-template-columns:1fr 1.4fr; gap:100px;
  align-items:start;
}
@media(max-width:800px){
  .contact-container { grid-template-columns:1fr; gap:48px; }
}
.page-title {
  font-family:var(--font-serif); font-size:clamp(2.5rem,6vw,4.5rem);
  font-weight:300; line-height:1.05; color:var(--ink);
  margin-bottom:24px;
}
.page-title em { font-style:italic; color:var(--text-muted); }
.contact-text { color:var(--text-muted); font-size:.9rem; line-height:1.8; margin-bottom:32px; }
.contact-details { font-size:.85rem; color:var(--text-muted); line-height:2; }

.contact-form-wrap { background:#fff; border:1px solid var(--border); padding:40px; border-radius:var(--radius); }

.contact-form .form-group { margin-bottom:24px; }
.contact-form label {
  display:block; font-size:.75rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--text-muted); margin-bottom:8px;
}
.req { color: var(--gold); }
.contact-form input,
.contact-form textarea {
  width:100%; padding:12px 0;
  background:transparent; border:none; border-bottom:1px solid var(--border);
  color:var(--ink); font-family:var(--font-sans); font-size:.95rem; font-weight:300;
  transition: border-color .2s;
  outline:none;
}
.contact-form input:focus,
.contact-form textarea:focus { border-bottom-color:var(--gold); }
.contact-form textarea { resize:vertical; min-height:120px; }

.btn-submit {
  display:flex; align-items:center; gap:12px;
  background:var(--ink); color:var(--parchment);
  border:none; padding:16px 32px; cursor:pointer;
  font-family:var(--font-sans); font-size:.8rem; letter-spacing:.15em; text-transform:uppercase;
  transition: background .2s, transform .2s;
}
.btn-submit:hover { background:var(--ink-soft); transform:translateX(4px); }

.form-errors {
  background:#fff5f5; border:1px solid #fecaca; border-radius:4px;
  padding:12px 16px; margin-bottom:24px; color:#c53030; font-size:.85rem;
}
.form-success { text-align:center; padding:40px; }
.success-icon { font-size:2.5rem; color:var(--gold); margin-bottom:16px; }
.form-success h3 { font-family:var(--font-serif); font-size:1.8rem; margin-bottom:12px; }
.form-success p { color:var(--text-muted); margin-bottom:28px; }
.btn-back {
  display:inline-block; font-size:.8rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--text-muted); text-decoration:none;
  border-bottom:1px solid var(--border); padding-bottom:2px;
  transition:color .2s, border-color .2s;
}
.btn-back:hover { color:var(--ink); border-color:var(--ink); }

/* ── FOOTER ── */
.site-footer {
  background:var(--ink); color:var(--parchment);
  text-align:center; padding:56px 40px;
}
.footer-inner { max-width:800px; margin:0 auto; }
.footer-logo {
  font-family:var(--font-serif); font-size:1.8rem; letter-spacing:.2em;
  text-transform:uppercase; color:var(--gold); margin-bottom:6px;
}
.footer-tagline {
  font-size:.72rem; letter-spacing:.25em; text-transform:uppercase;
  color:rgba(245,240,232,.4); margin-bottom:28px;
}
.footer-nav { display:flex; justify-content:center; gap:32px; margin-bottom:28px; }
.footer-nav a {
  font-size:.75rem; letter-spacing:.15em; text-transform:uppercase;
  color:rgba(245,240,232,.5); text-decoration:none; transition:color .2s;
}
.footer-nav a:hover { color:var(--gold); }
.footer-copy { font-size:.72rem; color:rgba(245,240,232,.25); }

/* ── RESPONSIVE ── */
@media(max-width:640px){
  .header-inner { padding:0 20px; }
  .hero { padding:60px 20px; }
  .galerie-section { padding:48px 20px 80px; }
  .contact-page { padding:48px 20px; }
}