/* Romio Furniture — public views and shared components */
:root {
  --color-bg: #f8f6f2;
  --color-beige: #eae5de;
  --color-charcoal: #282521;
  --color-brown: #806850;
  --color-white: #fff;
  --color-muted: #746b61;
  --color-border: #ddd6cc;
  --color-whatsapp: #187744;
  --color-whatsapp-dk: #105b32;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-max: 1200px;
  --header-height: 80px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 12px rgb(40 37 33 / 5%);
  --shadow-lg: 0 12px 32px rgb(40 37 33 / 9%);
  --transition: 180ms ease;
}

/* Base and shared layout */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); font-size: 16px; line-height: 1.65; color: var(--color-charcoal); background: var(--color-bg); overflow-wrap: break-word; -webkit-font-smoothing: antialiased; }
.site-body { min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1; min-width: 0; }
img { display: block; max-width: 100%; height: auto; }
svg { flex-shrink: 0; }
a { color: var(--color-brown); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-charcoal); }
button, input, select, textarea { font: inherit; max-width: 100%; }
button { cursor: pointer; color: inherit; }
ul, ol { list-style: none; }
:focus-visible { outline: 3px solid var(--color-brown); outline-offset: 4px; }
::selection { color: white; background: var(--color-brown); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.2; font-weight: 600; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }
p + p { margin-top: 1rem; }
.container, .section-container, .header-container, .hero-container, .footer-container { width: min(var(--container-max), calc(100% - 48px)); margin-inline: auto; }
.section { padding-block: clamp(48px, 6vw, 88px); }
.section-header { max-width: 720px; margin: 0 auto 36px; text-align: center; }
.section-subtitle, .hero-eyebrow { display: block; margin-bottom: 12px; font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--color-brown); }
.section-title { margin-bottom: 18px; }
.section-desc, .page-subtitle { color: var(--color-muted); max-width: 720px; }
.section-header .section-desc { margin-inline: auto; }
.section-footer-cta { margin-top: 36px; text-align: center; }
.bg-warm { background: var(--color-beige); }

/* A sticky header reserves space instead of covering the page title. */
.site-header { position: sticky; top: 0; z-index: 100; flex-shrink: 0; background: var(--color-bg); border-bottom: 1px solid var(--color-border); }
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-container { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--header-height); }
.brand-logo { display: flex; align-items: center; min-width: 0; max-width: 220px; flex-shrink: 0; color: var(--color-charcoal); }
.logo-img { height: 40px; width: auto; max-width: min(180px, 40vw); object-fit: contain; object-position: left center; }
.logo-text { font: 600 1.4rem/1.2 var(--font-heading); }
.main-nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-link { display: block; padding: 10px 16px; border-radius: var(--radius-md); font-size: .875rem; font-weight: 500; color: var(--color-charcoal); }
.nav-link:hover, .nav-link.active { color: var(--color-brown); background: var(--color-beige); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.mobile-menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; flex-direction: column; justify-content: center; gap: 5px; }
.hamburger-bar { display: block; height: 2px; width: 24px; background: var(--color-charcoal); transition: transform var(--transition), opacity var(--transition); }
.mobile-menu-toggle.active .hamburger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-toggle.active .hamburger-bar:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active .hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Button labels can wrap on narrow screens. */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; max-width: 100%; padding: 12px 22px; border: 1px solid transparent; border-radius: var(--radius-md); font: 500 .875rem/1.45 var(--font-body); text-align: center; white-space: normal; transition: background-color var(--transition), border-color var(--transition), color var(--transition); }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--color-brown); border-color: var(--color-brown); color: white; }
.btn-primary:hover { background: #66513e; border-color: #66513e; color: white; }
.btn-secondary, .btn-outline { color: var(--color-charcoal); border-color: #b9ad9e; background: transparent; }
.btn-secondary:hover, .btn-outline:hover { background: var(--color-charcoal); border-color: var(--color-charcoal); color: white; }
.btn-whatsapp, .btn-whatsapp-header, .btn-whatsapp-footer { background: var(--color-whatsapp); border-color: var(--color-whatsapp); color: white; }
.btn-whatsapp:hover, .btn-whatsapp-header:hover, .btn-whatsapp-footer:hover { background: var(--color-whatsapp-dk); border-color: var(--color-whatsapp-dk); color: white; }
.btn-sm { padding: 8px 16px; min-height: 40px; font-size: .8rem; }
.btn-lg { padding: 15px 26px; font-size: .95rem; }
.btn-block { display: flex; width: 100%; }
.btn-text { color: var(--color-brown); text-decoration: underline; }

/* Homepage */
.hero-section { background: var(--color-beige); border-bottom: 1px solid var(--color-border); padding-block: clamp(64px, 8vw, 112px); }
.hero-content { max-width: 880px; }
.hero-title { max-width: 20ch; font-size: clamp(2.4rem, 5.5vw, 4.5rem); line-height: 1.08; letter-spacing: -.025em; margin-bottom: 24px; }
.hero-subtitle { max-width: 680px; font-size: clamp(1rem, 1.5vw, 1.125rem); color: #61574c; }
.hero-actions, .cta-banner-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 30px; }
.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.category-card { min-width: 0; color: var(--color-charcoal); background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: box-shadow var(--transition); }
.category-card:hover { color: var(--color-charcoal); box-shadow: var(--shadow-lg); }
.category-card-img-wrap { height: 100%; display: flex; flex-direction: column; }
.category-card-img-wrap > img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.category-card-overlay { display: flex; flex-direction: column; align-items: flex-start; flex: 1; gap: 12px; padding: 24px; }
.category-card-title { font-size: 1.4rem; }
.category-card-text { color: var(--color-muted); font-size: .875rem; }
.category-card-cta { margin-top: auto; padding-top: 8px; color: var(--color-brown); font-size: .8rem; font-weight: 600; }
.quality-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 64px; align-items: start; }
.quality-lead { color: var(--color-muted); }
.features-list { display: grid; gap: 24px; margin-top: 28px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { display: grid; place-items: center; flex: 0 0 32px; height: 32px; border-radius: 50%; background: var(--color-beige); color: var(--color-brown); }
.feature-body { min-width: 0; }
.feature-body strong { display: block; margin-bottom: 6px; }
.feature-body p { color: var(--color-muted); font-size: .875rem; }
.quality-cta { margin-top: 28px; }
.quality-stats-col { display: grid; gap: 16px; }
.stat-box { padding: 28px; background: var(--color-beige); border-radius: var(--radius-lg); }
.stat-number { display: block; font: 600 2.5rem/1.2 var(--font-heading); margin-bottom: 10px; }
.stat-label { color: var(--color-muted); font-size: .875rem; }
.cta-banner-card { background: var(--color-charcoal); color: var(--color-bg); border-radius: var(--radius-lg); padding: clamp(28px, 5vw, 64px); }
.cta-banner-content { max-width: 760px; margin-inline: auto; text-align: center; }
.cta-banner-title { margin-bottom: 20px; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.cta-banner-text { color: #d7d0c7; margin-bottom: 28px; }
.cta-banner-actions { justify-content: center; }

/* Catalog, category pages, and reusable product cards */
.page-header { padding-block: 48px; background: var(--color-beige); border-bottom: 1px solid var(--color-border); }
.page-title { margin-bottom: 16px; max-width: 26ch; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .8rem; color: var(--color-muted); }
.page-header .breadcrumbs { margin-bottom: 24px; }
.breadcrumb-current { color: var(--color-charcoal); }
.breadcrumb-separator { color: #a39686; }
.category-nav-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.category-pill { padding: 8px 16px; font-size: .8rem; border: 1px solid #b9ad9e; border-radius: 24px; color: var(--color-charcoal); }
.category-pill.active, .category-pill:hover { background: var(--color-charcoal); color: white; border-color: var(--color-charcoal); }
.catalog-filter-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 20px; margin-bottom: 32px; background: white; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.filter-form { display: grid; grid-template-columns: minmax(180px, 1.5fr) repeat(2, minmax(150px, 1fr)) auto; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.filter-group { min-width: 0; }
.filter-input, .filter-select { display: block; width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: 6px; color: var(--color-charcoal); background: var(--color-bg); font-size: .875rem; }
.filter-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-results-count { font-size: .875rem; color: var(--color-muted); }
.category-products-section .filter-form { display: block; flex: 0 1 240px; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.product-card { min-width: 0; display: flex; flex-direction: column; background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: box-shadow var(--transition); }
.product-card:hover { box-shadow: var(--shadow-lg); }
.product-card-image-wrap { position: relative; background: #f0ede8; }
.product-card-image-link { display: block; aspect-ratio: 4 / 3; }
.product-card-image { width: 100%; height: 100%; object-fit: contain; }
.product-badges { position: absolute; top: 12px; left: 12px; right: 12px; display: flex; flex-wrap: wrap; gap: 6px; pointer-events: none; }
.badge { display: inline-block; padding: 4px 9px; font-size: .68rem; font-weight: 600; border-radius: 4px; background: var(--color-charcoal); color: white; }
.badge-sale { background: #a2392e; }
.badge-made-order { background: #806850; }
.badge-out-stock { background: #635d56; }
.product-card-body { padding: 20px; display: flex; flex-direction: column; align-items: flex-start; flex: 1; }
.product-card-category { color: var(--color-muted); font-size: .7rem; font-weight: 500; letter-spacing: .04em; margin-bottom: 8px; }
.product-card-title { font-size: 1.2rem; line-height: 1.35; margin-bottom: 10px; }
.product-card-title a { color: var(--color-charcoal); }
.product-card-dimensions { color: var(--color-muted); font-size: .75rem; margin-bottom: 14px; }
.product-card-price-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin-top: auto; margin-bottom: 18px; }
.price-current { font-weight: 600; }
.price-original, .price-original-striked { color: var(--color-muted); text-decoration: line-through; font-size: .85rem; }
.price-on-request { font-size: .875rem; color: var(--color-brown); }
.product-card-actions { width: 100%; display: flex; flex-wrap: wrap; gap: 8px; }
.product-card-actions .btn { flex: 1 1 auto; padding: 9px 12px; min-height: 42px; font-size: .75rem; }
.pagination-nav { margin-top: 36px; }
.pagination-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.page-link { display: grid; place-items: center; min-width: 42px; min-height: 42px; padding: 6px 12px; border: 1px solid var(--color-border); border-radius: 6px; }
.page-item.active .page-link, .page-link:hover { color: white; background: var(--color-brown); border-color: var(--color-brown); }
.empty-state { text-align: center; padding: 56px 20px; border: 1px dashed var(--color-border); border-radius: var(--radius-lg); }
.empty-state-icon { font-size: 2.5rem; margin-bottom: 16px; }
.empty-state-title { margin-bottom: 12px; }
.empty-state-text { margin: 0 auto 24px; max-width: 560px; color: var(--color-muted); }
.empty-state-notice { padding: 32px; text-align: center; }

/* Product page and gallery */
.product-detail-breadcrumbs-bar { padding-block: 24px; border-bottom: 1px solid var(--color-border); }
.product-detail-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.product-gallery-column, .product-info-column { min-width: 0; }
.main-image-container { position: relative; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: white; }
.main-product-img { width: 100%; aspect-ratio: 1; object-fit: contain; cursor: zoom-in; }
.gallery-zoom-hint { position: absolute; bottom: 16px; right: 16px; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: white; box-shadow: var(--shadow-sm); pointer-events: none; }
.detail-badge { position: absolute; top: 16px; left: 16px; }
.gallery-thumbs-strip { display: flex; gap: 10px; overflow-x: auto; padding: 14px 0 4px; }
.gallery-thumb-btn { flex: 0 0 76px; width: 76px; height: 76px; padding: 3px; background: white; border: 2px solid transparent; border-radius: 6px; overflow: hidden; }
.gallery-thumb-btn.active { border-color: var(--color-brown); }
.gallery-thumb-btn img { width: 100%; height: 100%; object-fit: cover; }
.product-category-link { display: inline-block; margin-bottom: 12px; font-size: .85rem; }
.product-page-title { font-size: clamp(1.9rem, 3vw, 2.8rem); margin-bottom: 20px; }
.product-meta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; font-size: .75rem; color: var(--color-muted); }
.availability-pill { display: inline-block; padding: 5px 10px; border-radius: 20px; font-size: .7rem; }
.status-available { background: #e4f1e9; color: #246543; }
.status-order { background: #f3eadb; color: #78591f; }
.status-out { background: #f4e6e3; color: #943f35; }
.product-price-box { padding-block: 24px; margin-top: 20px; border-top: 1px solid var(--color-border); }
.price-sale-row { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.price-large { font-size: 1.8rem; font-weight: 600; }
.price-highlight { color: #a2392e; }
.price-request-text { display: block; font-size: 1.3rem; font-weight: 600; }
.price-request-sub, .order-guarantee-note { color: var(--color-muted); font-size: .8rem; }
.order-guarantee-note { margin-top: 12px; }
.product-description-wrap, .product-specifications-wrap { padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--color-border); }
.section-subheading { font-size: 1.35rem; margin-bottom: 16px; }
.product-description-text { color: var(--color-muted); font-size: .925rem; }
.spec-row { display: grid; grid-template-columns: minmax(100px, .7fr) minmax(0, 1.5fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: .8rem; }
.spec-term { font-weight: 600; }
.spec-desc { color: var(--color-muted); overflow-wrap: anywhere; }
.product-secondary-actions { margin-top: 24px; }
.lightbox-modal { display: none; position: fixed; inset: 0; z-index: 1000; padding: 64px; background: rgb(20 19 17 / 94%); }
.lightbox-modal.active { display: grid; place-items: center; }
.lightbox-content { width: 100%; height: 100%; min-height: 0; display: flex; justify-content: center; align-items: center; }
.lightbox-content img { max-height: 100%; max-width: 100%; width: auto; height: auto; object-fit: contain; }
.lightbox-close, .lightbox-prev, .lightbox-next { position: absolute; display: grid; place-items: center; width: 44px; height: 44px; color: white; background: #38342f; border: 1px solid #635d56; border-radius: 50%; font-size: 1.4rem; }
.lightbox-close { top: 12px; right: 16px; font-size: 2rem; }
.lightbox-prev { left: 12px; top: calc(50% - 22px); }
.lightbox-next { right: 12px; top: calc(50% - 22px); }

/* About and contact */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.about-custom-content, .about-body-text { color: var(--color-muted); }
.about-lead-text { font-size: 1.1rem; margin-bottom: 16px; }
.about-values-grid { display: grid; gap: 16px; margin-top: 32px; }
.about-value-box { padding: 24px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; }
.value-icon { display: block; margin-bottom: 10px; font-size: 1.4rem; }
.value-title { margin-bottom: 8px; }
.value-desc { color: var(--color-muted); font-size: .875rem; }
.about-highlights-card { padding: 28px; border-radius: var(--radius-lg); background: var(--color-beige); }
.highlights-title { margin-bottom: 24px; }
.highlights-list { display: grid; gap: 20px; }
.highlights-list strong { display: block; margin-bottom: 6px; font-size: .9rem; }
.highlights-list p { color: var(--color-muted); font-size: .875rem; }
.highlights-cta { margin-top: 28px; }
.contact-cards-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.contact-card { padding: 24px; background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); min-width: 0; }
.contact-card-primary { border-color: #7fa28d; }
.contact-card-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--color-beige); font-size: 1.6rem; margin-bottom: 20px; }
.whatsapp-icon-bg { color: var(--color-whatsapp); background: #e4f1e9; }
.contact-card-title { font-size: 1.3rem; margin-bottom: 12px; }
.contact-card-desc { color: var(--color-muted); font-size: .875rem; margin-bottom: 20px; }
.contact-card-sub { display: block; font-size: .8rem; margin-top: 12px; }
.contact-value-link, .contact-address-text { overflow-wrap: anywhere; font-size: .875rem; }
.contact-value-placeholder { color: var(--color-muted); font-size: .8rem; }
.hours-badge { display: grid; gap: 6px; font-size: .75rem; padding-top: 16px; margin-top: 16px; border-top: 1px solid var(--color-border); }
.ordering-workflow-banner { padding: clamp(24px, 4vw, 48px); margin-top: 48px; background: var(--color-beige); border-radius: var(--radius-lg); }
.workflow-title { text-align: center; margin-bottom: 36px; }
.workflow-steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.step-badge { display: grid; place-items: center; width: 36px; height: 36px; margin-bottom: 16px; border-radius: 50%; color: white; background: var(--color-brown); font-weight: 600; }
.workflow-step h4 { margin-bottom: 12px; }
.workflow-step p { color: var(--color-muted); font-size: .875rem; }

/* Footer and floating contact */
.site-footer { background: var(--color-charcoal); color: #d7d0c7; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1.2fr 1.1fr; gap: 36px; }
.footer-col { min-width: 0; font-size: .8rem; }
.footer-logo { display: inline-block; font: 600 1.7rem/1.2 var(--font-heading); color: var(--color-bg); margin-bottom: 18px; }
.footer-logo:hover, .site-footer a:hover { color: white; }
.footer-tagline { font-weight: 500; margin-bottom: 12px; }
.footer-desc, .order-notice { color: #b7afa4; }
.footer-heading { font: 600 .9rem/1.4 var(--font-body); color: var(--color-bg); margin-bottom: 20px; }
.footer-nav, .contact-list { display: grid; gap: 12px; }
.site-footer a { color: #e6ddd1; }
.contact-label { display: block; color: #b7afa4; font-size: .7rem; margin-bottom: 3px; }
.contact-text, .contact-link { overflow-wrap: anywhere; }
.footer-whatsapp-action { margin-top: 20px; }
.social-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 20px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid #514a42; margin-top: 48px; padding-top: 24px; font-size: .7rem; color: #b7afa4; }
.footer-bottom p { margin: 0; }
.whatsapp-float-container { position: fixed; bottom: 24px; right: 24px; z-index: 80; }
.whatsapp-float-btn { display: grid; place-items: center; width: 56px; height: 56px; color: white; background: var(--color-whatsapp); border: 2px solid white; border-radius: 50%; box-shadow: var(--shadow-lg); }
.whatsapp-float-btn:hover { color: white; background: var(--color-whatsapp-dk); }
.whatsapp-float-tooltip { position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%); padding: 8px 12px; border-radius: 6px; background: var(--color-charcoal); color: white; font-size: .75rem; white-space: nowrap; opacity: 0; visibility: hidden; pointer-events: none; }
.whatsapp-float-btn:hover .whatsapp-float-tooltip, .whatsapp-float-btn:focus-visible .whatsapp-float-tooltip { opacity: 1; visibility: visible; }
.error-page-container { padding-block: 80px; }
.error-card { max-width: 640px; margin-inline: auto; text-align: center; }
.error-code { display: block; font: 600 clamp(4rem, 12vw, 7rem)/1 var(--font-heading); color: var(--color-brown); margin-bottom: 24px; }
.error-title { margin-bottom: 20px; }
.error-desc { color: var(--color-muted); margin-bottom: 28px; }
.error-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

/* Responsive layouts use the same class names as the PHP templates. */
@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
}
@media (max-width: 900px) {
  :root { --header-height: 72px; }
  .header-container { gap: 16px; }
  .mobile-menu-toggle { display: flex; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; margin: 0; padding: 16px 24px 24px; max-height: calc(100dvh - var(--header-height)); overflow-y: auto; background: var(--color-bg); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-lg); }
  .main-nav.open { display: block; }
  .nav-list { display: grid; gap: 6px; }
  .nav-link { padding: 12px 16px; }
  body.nav-open { overflow: hidden; }
  .category-grid, .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quality-grid { gap: 32px; }
  .product-detail-layout, .about-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .product-gallery-column { width: 100%; max-width: 620px; margin-inline: auto; }
}
@media (max-width: 600px) {
  .container, .section-container, .header-container, .hero-container, .footer-container { width: calc(100% - 32px); }
  .header-actions { gap: 4px; }
  .btn-whatsapp-header { padding: 10px 12px; min-height: 42px; font-size: .75rem; }
  .logo-text { font-size: 1.1rem; }
  .brand-logo { max-width: 40vw; }
  .logo-img { max-width: 34vw; }
  .hero-section { padding-block: 52px; }
  .hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-actions, .hero-actions .btn { width: 100%; }
  .section-header { margin-bottom: 28px; text-align: left; }
  .category-grid, .product-grid, .quality-grid, .contact-cards-grid, .workflow-steps-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .quality-stats-col { gap: 12px; }
  .stat-box { padding: 24px; }
  .page-header { padding-block: 32px; }
  .catalog-filter-bar { padding: 16px; }
  .filter-form { grid-template-columns: minmax(0, 1fr); }
  .category-products-section .filter-form { flex-basis: 100%; }
  .filter-actions .btn { flex: 1; }
  .product-card-actions { flex-wrap: nowrap; }
  .cta-banner-actions { flex-direction: column; }
  .cta-banner-actions .btn { width: 100%; }
  .spec-row { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .lightbox-modal { padding: 60px 48px; }
  .lightbox-prev { left: 4px; }
  .lightbox-next { right: 4px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .site-footer { padding: 48px 0 88px; }
  .whatsapp-float-container { right: 16px; bottom: 16px; }
  .whatsapp-float-btn { width: 50px; height: 50px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header, .site-footer, .whatsapp-float-container, .catalog-filter-bar, .product-order-actions, .product-secondary-actions, .lightbox-modal { display: none !important; }
  body { background: white; color: black; }
  .section { padding-block: 24px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-card, .category-card, .spec-row { break-inside: avoid; }
}