* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Arial, sans-serif; color: #f4efe8; background: #171614; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }
.container { width: 92%; max-width: 1180px; margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(14, 13, 12, 0.92); border-bottom: 1px solid rgba(255,255,255,0.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
.logo { font-size: 24px; font-weight: bold; letter-spacing: 0.3px; display: inline-flex; align-items: center; }
.site-logo-image { display: block; max-width: 100%; }
.main-nav a { margin-left: 22px; color: #eee2cf; }
.main-nav a:hover { color: #c8a97c; }
.hero { position: relative; min-height: 74vh; background-size: cover; background-position: center; display: flex; align-items: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,11,10,0.90) 0%, rgba(12,11,10,0.68) 52%, rgba(12,11,10,0.78) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 760px; padding: 96px 0; }
.eyebrow { display: inline-block; margin-bottom: 14px; color: #cfaf7b; text-transform: uppercase; letter-spacing: 2px; font-size: 12px; }
.hero h1, .sub-hero h1, .stone-detail-section h1 { font-size: 56px; line-height: 1.05; margin: 0 0 18px; }
.hero p, .sub-hero p, .lead, .detail-text, .intro-section p, .section-text { color: #d8cec0; line-height: 1.7; font-size: 18px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-points { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero-points span { padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.10); color: #f2e5d1; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 22px; border-radius: 999px; transition: 0.25s ease; }
.btn-primary { background: #b38a56; color: #171411; }
.btn-secondary { border: 1px solid rgba(255,255,255,0.18); color: #f4efe8; }
.btn:hover, .category-card:hover, .stone-card:hover, .gallery-item:hover { transform: translateY(-3px); }
.intro-section, .categories-section, .stones-section, .gallery-section, .contact-section, .stone-detail-section { padding: 78px 0; }
.categories-section-first { padding-top: 42px; }
.intro-grid, .detail-grid, .footer-grid, .category-hero-grid { display: grid; gap: 28px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.intro-card, .contact-card, .admin-card, .empty-box, .sub-hero-media { background: #211d1a; border: 1px solid rgba(255,255,255,0.06); border-radius: 24px; padding: 28px; box-shadow: 0 16px 42px rgba(0,0,0,0.24); }
.intro-copy h2, .section-head h2 { font-size: 40px; margin: 0 0 12px; }
.mini-stat { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.mini-stat:last-child { border-bottom: 0; padding-bottom: 0; }
.mini-stat strong { display: block; font-size: 28px; margin-bottom: 6px; color: #f4e3c6; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.category-grid, .stone-grid, .gallery-grid { display: grid; gap: 24px; }
.category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stone-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.category-card, .stone-card, .gallery-item { display: block; overflow: hidden; background: #211d1a; border-radius: 24px; border: 1px solid rgba(255,255,255,0.08); transition: 0.25s ease; box-shadow: 0 16px 42px rgba(0,0,0,0.26); }
.category-media { aspect-ratio: 4 / 3; background: #2a2520; overflow: hidden; }
.category-image-img, .stone-image-tag, .gallery-image-tag, .detail-main-image-tag, .sub-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.stone-image-tag { aspect-ratio: 16 / 10; background: #2a2520; }
.gallery-image-tag { aspect-ratio: 4 / 3; background: #2a2520; }
.category-body, .stone-body { padding: 22px; }
.category-body h3, .stone-body h3 { font-size: 30px; margin: 0 0 12px; }
.card-link { display: inline-block; margin-top: 16px; color: #c8a97c; font-weight: bold; }
.sub-hero { padding: 84px 0 40px; background: linear-gradient(180deg, #221d19 0%, #171614 100%); }
.sub-hero-media { padding: 0; min-height: 260px; }
.detail-main-image-wrap { border-radius: 26px; overflow: hidden; box-shadow: 0 18px 44px rgba(0,0,0,0.24); background: #221d19; }
.detail-main-image-tag { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.detail-price, .price-box { display: inline-block; margin-top: 14px; padding: 10px 14px; background: rgba(179, 138, 86, 0.14); border: 1px solid rgba(179, 138, 86, 0.32); border-radius: 999px; color: #f4d2a4; }
.detail-price span, .price-box span { opacity: 0.84; }
.muted { color: #d8c6ab; background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.08); }
.detail-text { margin-top: 20px; }
.gallery-item { padding: 0; cursor: pointer; text-align: left; color: #f4efe8; }
.gallery-title { display: block; padding: 18px 20px; }
.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 36px 0 54px; background: #120f0d; }
.lightbox { display: none; position: fixed; inset: 0; z-index: 90; background: rgba(0,0,0,0.9); align-items: center; justify-content: center; padding: 30px; }
.lightbox.active { display: flex; }
#lightbox-image { max-width: 92vw; max-height: 88vh; border-radius: 16px; box-shadow: 0 18px 56px rgba(0,0,0,0.45); }
.lightbox-close { position: absolute; top: 18px; right: 24px; font-size: 42px; color: #fff; cursor: pointer; }
@media (max-width: 900px) {
    .category-grid, .gallery-grid, .stone-grid, .intro-grid, .detail-grid, .footer-grid, .category-hero-grid { grid-template-columns: 1fr; }
    .hero h1, .sub-hero h1, .stone-detail-section h1 { font-size: 36px; }
    .header-inner { flex-direction: column; gap: 12px; }
    .main-nav a { margin: 0 8px; }
}

.poster-hero { min-height: auto; padding: 48px 0 72px; background-position: center top; }
.poster-overlay { background: linear-gradient(180deg, rgba(6,6,6,0.86) 0%, rgba(12,11,10,0.68) 34%, rgba(11,10,9,0.88) 100%); }
.poster-content { position: relative; z-index: 2; padding: 10px 0 0; }
.poster-brand { text-align: center; max-width: 860px; margin: 0 auto 34px; }
.poster-logo-image { display: block; max-width: 100%; margin: 0 auto 18px; }
.poster-brand h1 { font-size: 56px; line-height: 1.05; margin: 0 0 16px; text-transform: uppercase; }
.poster-brand p { max-width: 860px; margin: 0 auto; }
.poster-grid { display: grid; gap: 18px; grid-template-columns: repeat(12, minmax(0, 1fr)); }
.poster-card { display: block; overflow: hidden; border-radius: 0; background: rgba(20,18,16,0.88); border: 1px solid rgba(214, 138, 49, 0.35); box-shadow: 0 18px 44px rgba(0,0,0,0.28); transition: 0.25s ease; }
.poster-card:hover { transform: translateY(-3px); box-shadow: 0 22px 54px rgba(0,0,0,0.36); }
.poster-card-title { padding: 16px 16px 12px; text-align: center; font-size: 26px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.5px; color: #f7f0e7; }
.poster-card-media { background: #221d19; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(214, 138, 49, 0.28); }
.poster-card-image { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.poster-card-copy { padding: 14px 16px 18px; font-size: 16px; line-height: 1.4; color: #efe5d7; min-height: 74px; }
.poster-grid .poster-card:nth-child(1), .poster-grid .poster-card:nth-child(2) { grid-column: span 6; }
.poster-grid .poster-card:nth-child(n+3) { grid-column: span 4; }
.poster-contact-block { margin-top: 28px; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; align-items: start; background: rgba(16,14,12,0.82); border-top: 1px solid rgba(214, 138, 49, 0.38); padding: 28px 24px; }
.poster-contact-left h2 { margin: 0 0 18px; font-size: 34px; line-height: 1.2; text-transform: uppercase; color: #f7ead2; }
.poster-check-list { list-style: none; padding: 0; margin: 0; }
.poster-check-list li { position: relative; padding-left: 30px; margin-bottom: 12px; color: #efe5d7; font-size: 22px; }
.poster-check-list li:before { content: '✓'; position: absolute; left: 0; top: 0; color: #d68a31; font-weight: bold; }
.poster-contact-right { text-align: left; border-left: 1px solid rgba(214, 138, 49, 0.35); padding-left: 24px; }
.poster-contact-label { display: inline-block; margin-bottom: 10px; color: #d68a31; text-transform: uppercase; letter-spacing: 1.2px; font-weight: bold; }
.poster-contact-phone { font-size: 44px; font-weight: bold; color: #f4f0ea; line-height: 1.1; }
.poster-contact-email { margin-top: 10px; font-size: 26px; color: #efe5d7; word-break: break-word; }
.site-footer { padding-top: 28px; }
@media (max-width: 900px) {
  .poster-brand h1 { font-size: 36px; }
  .poster-grid { grid-template-columns: 1fr; }
  .poster-grid .poster-card:nth-child(1), .poster-grid .poster-card:nth-child(2), .poster-grid .poster-card:nth-child(n+3) { grid-column: auto; }
  .poster-contact-block { grid-template-columns: 1fr; }
  .poster-contact-right { border-left: 0; padding-left: 0; border-top: 1px solid rgba(214, 138, 49, 0.35); padding-top: 18px; }
  .poster-contact-phone { font-size: 32px; }
  .poster-contact-email { font-size: 20px; }
  .poster-check-list li { font-size: 18px; }
}

.inline-fields { display:flex; gap:10px; align-items:center; }
.inline-fields select, .inline-fields input { flex:1; }