/* =========================================================
   OFFICINA DUCALE — Spezieria Veneziana · Venezia
   Venetian Cobalt Blue, Rose-Copper & Ivory Marble Stylesheet
   ========================================================= */
:root {
  --bg-main: #FCFBF8;
  --bg-ivory: #F2EEE4;
  --bg-navy: #0B162C;
  --bg-card: #FFFFFF;
  --text-main: #0D192B;
  --text-muted: #4A5568;
  --text-light: #FCF9F2;
  --copper: #B87356;
  --copper-hover: #9C5B40;
  --cobalt-accent: #1D499E;
  --crimson: #8F1D2C;
  --border: #DDD6C7;
  --danger: #B91C1C;
  --success: #1E6F3D;
  --radius: 4px;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --shadow: 0 6px 20px rgba(11, 22, 44, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0; padding: 0;
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cobalt-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--copper); }
h1, h2, h3, h4 { font-family: var(--font-serif); color: var(--text-main); margin-top: 0; line-height: 1.25; }
.container { width: 100%; max-width: 1220px; margin: 0 auto; padding: 0 1.25rem; }

.storage-notice {
  background-color: #FEF3C7; color: #92400E; padding: 0.55rem 1rem;
  font-size: 0.85rem; text-align: center; border-bottom: 1px solid #FDE68A;
}
.ducale-topbar {
  background-color: var(--bg-navy); color: #E2DACB;
  font-size: 0.8rem; padding: 0.45rem 0; border-bottom: 1px solid #1E325C;
}
.topbar-flex { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }

.site-header {
  background-color: var(--bg-main); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(11,22,44,0.04);
}
.header-main { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 1rem; }
.brand-emblem { display: flex; align-items: center; gap: 0.75rem; color: var(--text-main); }
.emblem-seal {
  width: 42px; height: 42px; background-color: var(--bg-navy); color: #F2C6B2;
  border: 1.5px solid var(--copper); font-family: var(--font-serif); font-weight: 700;
  display: flex; align-items: center; justify-content: center; letter-spacing: 1px;
}
.emblem-text { display: flex; flex-direction: column; }
.emblem-title { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; letter-spacing: 2px; }
.emblem-sub { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); }

.main-nav { display: flex; gap: 1.5rem; }
.main-nav a { color: var(--text-main); font-weight: 500; font-size: 0.94rem; padding: 0.35rem 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--cobalt-accent); border-bottom-color: var(--copper); }

.cart-copper-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background-color: var(--bg-navy); color: #FFFFFF; padding: 0.55rem 1rem;
  border-radius: var(--radius); border: 1px solid var(--copper); font-size: 0.88rem; font-weight: 600;
}
.cart-badge {
  background-color: var(--copper); color: #FFFFFF; border-radius: 50%;
  min-width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center; font-size: 0.76rem;
}
.mobile-menu-btn { display: none; background: none; border: 1px solid var(--border); padding: 0.45rem; cursor: pointer; }
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background-color: var(--text-main); margin: 4px 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.35rem; font-size: 0.92rem; font-weight: 600;
  border-radius: var(--radius); border: 1px solid transparent; cursor: pointer; transition: all 0.2s; text-align: center;
}
.btn-primary { background-color: var(--bg-navy); color: #FFFFFF; border-color: var(--bg-navy); }
.btn-primary:hover { background-color: var(--cobalt-accent); border-color: var(--cobalt-accent); color: #FFFFFF; }
.btn-copper { background-color: var(--copper); color: #FFFFFF; border-color: var(--copper); }
.btn-copper:hover { background-color: var(--copper-hover); color: #FFFFFF; }
.btn-outline { background-color: transparent; color: var(--text-main); border-color: var(--copper); }
.btn-outline:hover { background-color: var(--bg-ivory); color: var(--cobalt-accent); }
.btn-ghost-light { background-color: transparent; color: #FFFFFF; border-color: rgba(242,198,178,0.45); }
.btn-sm { padding: 0.45rem 0.85rem; font-size: 0.82rem; }
.btn-lg { padding: 0.85rem 1.7rem; font-size: 1rem; }
.btn-block { width: 100%; }

.od-hero { background-color: var(--bg-navy); color: var(--text-light); padding: 4rem 0; border-bottom: 3px solid var(--copper); }
.od-hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.5rem; align-items: center; }
.od-eyebrow { display: inline-block; font-size: 0.76rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--copper); margin-bottom: 0.65rem; }
.od-hero h1 { color: #FFFFFF; font-size: clamp(1.95rem, 3.5vw, 2.9rem); margin-bottom: 1.1rem; }
.od-hero-lead { color: #CBD5E1; font-size: 1.04rem; margin-bottom: 1.75rem; }
.od-hero-btns { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2rem; }
.od-hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding-top: 1.25rem; border-top: 1px solid rgba(184,115,86,0.3); }
.od-hero-metrics strong { display: block; font-family: var(--font-serif); color: #F2C6B2; }
.od-hero-metrics span { font-size: 0.8rem; color: #94A3B8; }
.od-hero-visual img { border-radius: var(--radius); border: 1px solid rgba(184,115,86,0.4); }

.section { padding: 4.25rem 0; }
.section-ivory { background-color: var(--bg-ivory); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-navy { background-color: var(--bg-navy); color: var(--text-light); }
.section-navy h2 { color: #FFFFFF; }
.sec-head { max-width: 720px; margin-bottom: 2.25rem; }
.sec-head-split { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; }

.cat-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.35rem; }
.cat-card { background-color: var(--bg-card); border: 1px solid var(--border); padding: 1.5rem; border-radius: var(--radius); display: flex; flex-direction: column; }
.cat-roman { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; color: var(--copper); margin-bottom: 0.45rem; }
.cat-card p { font-size: 0.9rem; color: var(--text-muted); flex-grow: 1; }
.copper-link { font-weight: 700; font-size: 0.9rem; color: var(--cobalt-accent); }

.od-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.od-card { background-color: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.od-card-img { position: relative; background-color: #F4F1EA; padding: 1rem; display: flex; justify-content: center; border-bottom: 1px solid var(--border); }
.od-card-img img { max-height: 270px; width: auto; object-fit: contain; }
.od-cat-tag { position: absolute; top: 0.75rem; left: 0.75rem; background-color: var(--bg-navy); color: #F2C6B2; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; padding: 0.25rem 0.6rem; }
.od-card-body { padding: 1.35rem; display: flex; flex-direction: column; flex-grow: 1; }
.od-meta { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0.4rem; }
.od-title { font-size: 1.18rem; margin-bottom: 0.3rem; }
.od-title a { color: var(--text-main); }
.od-sub { font-size: 0.84rem; font-weight: 700; color: var(--cobalt-accent); margin: 0 0 0.6rem 0; }
.od-desc { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 1.15rem; flex-grow: 1; }
.od-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 0.9rem; border-top: 1px solid var(--border); gap: 0.5rem; }
.od-price-lbl { display: block; font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; }
.od-price { font-family: var(--font-serif); font-size: 1.25rem; }
.od-actions { display: flex; gap: 0.4rem; }

.table-scroll { width: 100%; overflow-x: auto; }
.od-table { width: 100%; border-collapse: collapse; background-color: #FFFFFF; color: var(--text-main); border: 1px solid var(--border); font-size: 0.9rem; }
.od-table th, .od-table td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--border); text-align: left; }
.od-table th { background-color: var(--bg-ivory); font-family: var(--font-serif); }

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.75rem; align-items: center; }
.split-2.reverse .split-img { order: 2; }
.split-img img { border-radius: var(--radius); border: 1px solid var(--border); }

.quaderno-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.65rem; }
.quaderno-card { background-color: #FFFFFF; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.quaderno-body { padding: 1.35rem; display: flex; flex-direction: column; flex-grow: 1; }
.quaderno-meta { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: 0.45rem; }
.quaderno-body h3 { font-size: 1.12rem; margin-bottom: 0.5rem; }
.quaderno-body h3 a { color: var(--text-main); }
.quaderno-body p { font-size: 0.88rem; color: var(--text-muted); flex-grow: 1; }

.faq-wrap { max-width: 840px; }
.od-faq { background-color: #FFFFFF; border: 1px solid var(--border); padding: 1rem 1.25rem; margin-bottom: 0.75rem; border-radius: var(--radius); }
.od-faq summary { font-family: var(--font-serif); font-weight: 700; cursor: pointer; }
.od-faq-body { padding-top: 0.75rem; color: var(--text-muted); }

.catalog-controls { background-color: var(--bg-ivory); border: 1px solid var(--border); padding: 1.25rem; display: grid; grid-template-columns: 1.5fr 1fr 1fr auto; gap: 1rem; align-items: end; margin-bottom: 1.25rem; }
.control-group label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 0.35rem; }
.control-group input, .control-group select { width: 100%; padding: 0.6rem; border: 1px solid var(--border); background-color: #FFFFFF; }
.catalog-status { margin-bottom: 1.25rem; font-size: 0.9rem; color: var(--text-muted); }
.empty-box { background-color: #FFFFFF; border: 1px solid var(--border); padding: 3rem 1.5rem; text-align: center; }

.breadcrumb { display: flex; gap: 0.5rem; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; flex-wrap: wrap; }
.prod-detail { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 2.75rem; margin-bottom: 3rem; }
.prod-img-stage { background-color: #F4F1EA; border: 1px solid var(--border); padding: 1.5rem; display: flex; justify-content: center; }
.thumb-row { display: flex; gap: 0.75rem; margin-top: 0.85rem; }
.thumb-btn { display: flex; align-items: center; gap: 0.5rem; background-color: #FFFFFF; border: 1px solid var(--border); padding: 0.4rem 0.75rem; cursor: pointer; font-weight: 600; font-size: 0.8rem; }
.thumb-btn.active { border-color: var(--cobalt-accent); background-color: var(--bg-ivory); }
.thumb-btn img { width: 42px; height: 46px; object-fit: contain; }
.price-banner { background-color: var(--bg-ivory); border-left: 4px solid var(--copper); padding: 0.95rem 1.25rem; margin-bottom: 1.25rem; display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.big-price { font-family: var(--font-serif); font-size: 1.8rem; }
.specs-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; margin-bottom: 1.25rem; }
.sp-box { background-color: #FFFFFF; border: 1px solid var(--border); padding: 0.7rem; }
.sp-box span { display: block; font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; }
.buy-box { background-color: #FFFFFF; border: 1px solid var(--border); padding: 1.25rem; margin-bottom: 1.5rem; }
.qty-line { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.qty-stepper { display: inline-flex; border: 1px solid var(--border); }
.qty-btn { width: 36px; height: 36px; border: none; background-color: var(--bg-ivory); font-weight: 700; cursor: pointer; }
.qty-stepper input { width: 52px; height: 36px; border: none; text-align: center; font-weight: 700; }

.specs-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 2.25rem; padding: 2.5rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 3rem; }
.info-card { background-color: #FFFFFF; border: 1px solid var(--border); padding: 1.15rem; margin-bottom: 1rem; }
.info-card.warn { border-left: 4px solid var(--copper); }
.info-card h3 { font-size: 1.02rem; margin-bottom: 0.35rem; }
.info-card p { margin: 0; font-size: 0.9rem; color: var(--text-muted); }

.cart-layout, .checkout-layout { display: grid; grid-template-columns: 1.45fr 0.95fr; gap: 2rem; align-items: start; }
.cart-prod-cell { display: flex; align-items: center; gap: 0.75rem; }
.cart-prod-cell img { width: 54px; height: 58px; object-fit: contain; background-color: #F4F1EA; border: 1px solid var(--border); }
.row-between { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.summary-card { background-color: #FFFFFF; border: 1px solid var(--border); padding: 1.5rem; box-shadow: var(--shadow); }
.ctrl-box { margin-bottom: 1.15rem; padding-bottom: 1.15rem; border-bottom: 1px solid var(--border); }
.ctrl-box label { display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 0.4rem; }
.ctrl-box select, .promo-flex input { width: 100%; padding: 0.55rem; border: 1px solid var(--border); }
.promo-flex { display: flex; gap: 0.5rem; }
.promo-feedback { font-size: 0.8rem; margin: 0.35rem 0 0; }
.promo-feedback.is-valid { color: var(--success); font-weight: 700; }
.promo-feedback.is-invalid { color: var(--danger); font-weight: 700; }
.s-row { display: flex; justify-content: space-between; margin-bottom: 0.6rem; }
.s-total { font-size: 1.18rem; padding-top: 0.75rem; border-top: 2px solid var(--bg-navy); margin-bottom: 1.25rem; }
.discount-val { color: var(--success); }
.ship-hint { font-size: 0.82rem; background-color: var(--bg-ivory); padding: 0.5rem 0.75rem; margin-bottom: 0.75rem; }

.od-fieldset { background-color: #FFFFFF; border: 1px solid var(--border); padding: 1.35rem; margin: 0 0 1.25rem 0; }
.od-fieldset legend { font-family: var(--font-serif); font-weight: 700; padding: 0 0.4rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: 1.3fr 0.8fr 0.9fr; gap: 1rem; }
.f-wrap { margin-bottom: 0.9rem; }
.f-wrap label { display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 0.3rem; }
.f-wrap input, .f-wrap textarea { width: 100%; padding: 0.6rem; border: 1px solid var(--border); font-family: inherit; }
.f-wrap input.input-error { border-color: var(--danger); background-color: #FEF2F2; }
.field-error { display: block; color: var(--danger); font-size: 0.76rem; min-height: 1rem; margin-top: 0.2rem; }
.radio-stack { display: grid; gap: 0.65rem; margin-bottom: 1rem; }
.r-box { display: flex; gap: 0.7rem; border: 1px solid var(--border); padding: 0.75rem; background-color: var(--bg-main); cursor: pointer; }
.r-box strong { display: block; font-size: 0.9rem; }
.r-box span { font-size: 0.8rem; color: var(--text-muted); }
.chk-row { display: flex; gap: 0.6rem; font-size: 0.88rem; cursor: pointer; }
.mini-list { list-style: none; padding: 0; margin: 0 0 1rem 0; }
.mini-list li { display: flex; justify-content: space-between; padding: 0.45rem 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.local-alert { background-color: var(--bg-ivory); border: 2px solid var(--copper); padding: 1.25rem; margin-bottom: 1.75rem; }
.preview-dl { display: grid; grid-template-columns: 140px 1fr; gap: 0.45rem 0.85rem; font-size: 0.88rem; }
.preview-dl dt { color: var(--text-muted); font-weight: 700; }
.preview-dl dd { margin: 0; }
.art-row { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 1.75rem; background-color: #FFFFFF; border: 1px solid var(--border); margin-bottom: 1.5rem; align-items: center; }
.art-row-body { padding: 1.5rem; }
.single-art { max-width: 820px; margin: 0 auto 3rem; }

.site-footer { background-color: var(--bg-navy); color: #CBD5E1; padding: 3.75rem 0 2rem; border-top: 3px solid var(--copper); margin-top: 3rem; }
.footer-cols { display: grid; grid-template-columns: 1.35fr 1.05fr 0.9fr 1.1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-brand { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; color: #F2C6B2; margin-bottom: 0.65rem; }
.footer-contacts p { margin: 0.25rem 0; font-size: 0.85rem; }
.site-footer h4 { color: #FFFFFF; font-size: 1rem; margin-bottom: 0.85rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 0.4rem; }
.site-footer ul a { color: #CBD5E1; font-size: 0.86rem; }
.site-footer ul a:hover { color: #F2C6B2; }
.footer-disclaimer { margin-top: 1rem; padding: 0.7rem; background-color: rgba(255,255,255,0.05); font-size: 0.76rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 1.25rem; text-align: center; font-size: 0.8rem; }

.toast-container { position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 999; display: flex; flex-direction: column; gap: 0.5rem; }
.toast { background-color: var(--bg-navy); color: #FFFFFF; border-left: 4px solid var(--copper); padding: 0.8rem 1.2rem; font-size: 0.88rem; }

@media (max-width: 992px) {
  .od-hero-grid, .split-2, .prod-detail, .specs-2col, .cart-layout, .checkout-layout, .art-row { grid-template-columns: 1fr; }
  .split-2.reverse .split-img { order: 0; }
  .cat-grid-4, .od-grid, .quaderno-grid, .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .catalog-controls { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .mobile-menu-btn { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background-color: var(--bg-main); flex-direction: column; padding: 1rem; border-bottom: 2px solid var(--copper); }
  .main-nav.is-open { display: flex; }
  .cat-grid-4, .od-grid, .quaderno-grid, .catalog-controls, .grid-2, .grid-3, .specs-row-3, .od-hero-metrics, .footer-cols { grid-template-columns: 1fr; }
}