/*
Theme Name: Nhất Quán
Theme URI: https://nhatquan.vn
Author: Công ty Cổ phần Công nghiệp Nhất Quán
Description: Theme WordPress cho nhatquan.vn — nhà phân phối thiết bị phun sơn & máy chà nhám chính hãng. Gồm sản phẩm (CPT san-pham), danh mục (danh-muc), ứng dụng theo ngành (ung-dung), bài viết, schema.org/SEO và công cụ nhập dữ liệu.
Version: 1.0.0
Requires at least: 5.8
Requires PHP: 7.4
License: GPL-2.0-or-later
Text Domain: nhatquan
*/

:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  --color-primary: #0b5fff;
  --color-primary-dark: #0a2540;
  --color-primary-light: #e8f0fe;
  --color-ink: #0a1f33;
  --color-text: #3d4a5c;
  --color-text-light: #6b7a8d;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f8fc;
  --color-border: #e2e8f0;
  --color-white: #ffffff;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 12px 32px rgba(10, 37, 64, 0.10);
  --font-body: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Playfair Display', serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
h1, h2, h3, h4 {
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
  font-weight: 700;
  line-height: 1.2;
}
p { margin: 0 0 var(--space-3); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* Topbar */
.topbar {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
}
.topbar-inner {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-6);
  padding: var(--space-2) var(--space-5);
}
.topbar-phone { font-weight: 600; color: #fff; }

/* Navbar */
.navbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.navbar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-5);
}
.brand {
  display: flex;
  flex-direction: column;
  margin-right: auto;
}
.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
}
.brand-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: 600;
}
.nav-links {
  display: flex;
  gap: var(--space-5);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-item { position: relative; }
.nav-links a {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text);
  transition: color 0.15s;
  padding: var(--space-4) 0;
}
.nav-links a:hover { color: var(--color-primary); }
.nav-caret { font-size: 0.7rem; transition: transform 0.15s; }

/* Mega menu — full-width dark bar, matches nhatquan.vn's own mega menu */
.mega-menu {
  opacity: 0;
  visibility: hidden;
  z-index: 60;
}
@media (min-width: 961px) {
  .nav-item { position: static; }
  .nav-item.has-mega:hover .nav-caret { transform: rotate(180deg); }
  .mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(8px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  }
  .nav-item.has-mega:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}
.mega-menu-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-6);
  padding: var(--space-6) var(--space-5);
}
.mega-col-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.mega-col-title:hover { color: var(--color-primary); opacity: 0.9; }
.mega-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.mega-col a {
  padding: 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
}
.mega-col a:hover { color: #fff; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-ink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn-pill { border-radius: var(--radius-pill); }
.btn-dark {
  background: var(--color-primary-dark);
  color: #fff;
}
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
}
.pill-light { background: rgba(255,255,255,0.7); color: var(--color-primary-dark); }

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(180deg, #d9ecff 0%, #f2f8ff 55%, #ffffff 100%);
  overflow: hidden;
  padding: var(--space-9) 0 var(--space-8);
  text-align: center;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: var(--space-5) 0;
  letter-spacing: -0.02em;
}
.hero-title em {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-primary);
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text);
  max-width: 620px;
  margin: 0 auto var(--space-6);
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(11,95,255,0.18) 0%, rgba(11,95,255,0) 70%);
  z-index: 1;
}

/* Brand strip / partners */
.brand-strip {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}
.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.partner-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.partner-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
}
.partner-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.brand-chip {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
}

/* Sections */
.section { padding: var(--space-9) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { text-align: center; max-width: 620px; margin: 0 auto var(--space-7); }
.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.section-cta { text-align: center; margin-top: var(--space-7); }

/* Category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.category-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-4);
}
.link-arrow {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.product-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.product-image {
  background: #fff;
  padding: var(--space-5);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-image img { max-height: 100%; object-fit: contain; }
.product-body { padding: var(--space-5); padding-top: var(--space-3); }
.product-brand {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.product-name { font-size: 1.05rem; margin: var(--space-2) 0; }
.product-excerpt { font-size: 0.88rem; color: var(--color-text-light); }
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.product-price { font-size: 0.85rem; color: var(--color-text-light); }
.badge-placeholder {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: #fff4cc;
  color: #7a5b00;
  font-size: 0.7rem;
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  z-index: 3;
}

/* Applications / industries */
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-7);
  gap: var(--space-4);
}
.section-head-row h2 { margin: 0; }
.section-count {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-light);
  white-space: nowrap;
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.industry-card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.industry-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.industry-card:hover img { transform: scale(1.05); }
.industry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,31,51,0) 40%, rgba(10,31,51,0.75) 100%);
}
.industry-name {
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.more-applications {
  margin-top: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
}
.more-applications-label {
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}
.more-applications-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-7);
}
.more-applications-list li { position: relative; padding-left: var(--space-4); }
.more-applications-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.more-applications-list a { color: var(--color-primary); font-weight: 600; font-size: 0.92rem; }
.more-applications-list a:hover { text-decoration: underline; }

/* USP */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.usp-card { text-align: center; padding: var(--space-6); }
.usp-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.blog-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-image { aspect-ratio: 16/10; background: var(--color-bg-alt); overflow: hidden; }
.blog-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-body { padding: var(--space-5); }
.blog-body h3 { font-size: 1.05rem; }
.blog-body p { font-size: 0.88rem; color: var(--color-text-light); margin: 0; }

/* CTA section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark), #123a63);
  border-radius: var(--radius-lg);
  margin: 0 var(--space-5);
  color: #fff;
}
.cta-inner { text-align: center; max-width: 620px; margin: 0 auto; }
.cta-inner h2 { color: #fff; }
.cta-inner p { color: rgba(255,255,255,0.8); margin-bottom: var(--space-6); }

/* Category group filter pills */
.group-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
}
.group-pill {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}
.group-pill:hover { border-color: var(--color-primary); color: var(--color-primary); }
.group-pill.active { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }

/* Product detail */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { color: var(--color-ink); font-weight: 600; }
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-8);
}
.product-detail-image {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
}
.product-detail-image img { max-height: 100%; object-fit: contain; }
.product-detail-info h1 { font-size: 1.9rem; margin-top: var(--space-2); }
.product-answer {
  font-size: 1.05rem;
  color: var(--color-ink);
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-primary);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
}
.quick-facts {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.quick-facts li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.9rem;
  padding-bottom: var(--space-2);
  border-bottom: 1px dashed var(--color-border);
}
.quick-facts li span { color: var(--color-text-light); }
.quick-facts li strong { color: var(--color-ink); text-align: right; }
.product-price-lg { font-weight: 700; color: var(--color-primary); font-size: 1.1rem; }
.product-detail-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-5); }
.product-source { font-size: 0.8rem; color: var(--color-text-light); word-break: break-all; }
.product-description, .product-specs, .product-faq { margin-top: var(--space-7); max-width: 820px; }
.faq-item { margin-bottom: var(--space-5); }
.faq-item h3 { font-size: 1rem; margin-bottom: var(--space-2); }
.faq-item p { color: var(--color-text); margin: 0; }
.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-light);
}
.product-meta a { color: var(--color-text-light); word-break: break-all; }
.product-meta a:hover { color: var(--color-primary); }
.product-description p { color: var(--color-text); }
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table th, .specs-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.specs-table th { color: var(--color-text-light); font-weight: 600; width: 40%; }
.specs-table-full th, .specs-table-full td { text-align: center; white-space: nowrap; }
.specs-table-wrap { overflow-x: auto; }

/* Blog article */
.blog-article { max-width: 820px; }
.blog-article h1 { font-size: 2rem; }
.blog-featured-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-5) 0 var(--space-6);
  background: var(--color-bg-alt);
}
.blog-featured-image img { width: 100%; max-height: 420px; object-fit: cover; }
.article-list {
  list-style: disc;
  padding-left: var(--space-6);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.article-list li { margin-bottom: var(--space-2); }

/* About page */
.about-hero { max-width: 780px; }
.about-hero p { font-size: 1.05rem; }
.about-motto {
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: var(--space-6) 0;
}
.about-addresses {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-7);
}
.address-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.address-card h4 { margin-bottom: var(--space-2); }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-7);
}
.contact-info-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.contact-info-card p { margin-bottom: var(--space-3); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-form label { font-weight: 600; font-size: 0.9rem; margin-bottom: var(--space-2); display: block; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.form-note {
  background: #fff4cc;
  color: #7a5b00;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: var(--space-4);
}
.form-status { font-size: 0.9rem; margin-top: var(--space-3); }

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.75);
  padding: var(--space-8) 0 var(--space-5);
  margin-top: var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: var(--space-6);
}
.footer-brand { color: #fff; }
.footer-desc { font-size: 0.88rem; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: var(--space-3); }
.footer-col p { font-size: 0.88rem; margin-bottom: var(--space-2); }
.footer-col a:hover { color: #fff; }
.footer-brands { line-height: 1.8; }
.footer-col-brands .footer-subheading { margin-top: var(--space-4); }
.brand-pills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: var(--space-2); }
.brand-pill {
  display: inline-block;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
  white-space: nowrap;
}
.brand-mirka { background: #f2b400; color: #1a1a1a; }
.brand-anest-iwata { background: #0d7377; }
.brand-devilbiss { background: #d6483f; }
.brand-binks { background: #1f3a68; }
.brand-ransburg { background: #6b6b6b; }
.brand-dynabrade { background: #e8752c; }
.brand-wagner { background: #f2b400; color: #1a1a1a; }
.brand-compact-tools { background: #2f5fa8; }
.brand-prona { background: #2f5fa8; }
.brand-meiji { background: #2ba8c9; }
.brand-3m { background: #c0272d; }
.brand-bosch { background: #c0272d; }
.brand-makita { background: #0d8a8a; }
.brand-bex { background: #7a1f2b; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  font-size: 0.8rem;
  text-align: center;
}

/* Floating call button */
.floating-call {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font-weight: 700;
  box-shadow: var(--shadow-md);
  z-index: 60;
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 960px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .usp-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .partner-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .product-detail-grid { grid-template-columns: 1fr; }
  .about-addresses { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links {
    display: none;
    position: fixed;
    top: 121px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    gap: 0;
    padding: var(--space-4) var(--space-5);
    overflow-y: auto;
  }
  .nav-links.is-open { display: flex; }
  .nav-item { border-bottom: 1px solid var(--color-border); }
  .nav-links a { padding: var(--space-4) 0; justify-content: space-between; }
  .mega-menu {
    display: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
  }
  .nav-item.has-mega.is-open .mega-menu { display: block; }
  .mega-menu-inner { grid-template-columns: 1fr; gap: var(--space-4); padding: 0 0 var(--space-3); }
  .mega-col-title { color: var(--color-ink); border-bottom-color: var(--color-border); }
  .mega-col a { color: var(--color-text-light); }
  .mega-col a:hover { color: var(--color-primary); }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
}
@media (max-width: 600px) {
  .topbar-inner { justify-content: center; gap: var(--space-3); flex-wrap: wrap; padding: var(--space-2) var(--space-4); }
  .topbar-item:nth-child(2) { display: none; }
  .category-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
  .footer-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .more-applications-list { flex-direction: column; gap: var(--space-3); }
  .cta-section { margin: 0 var(--space-3); }
  .hero { padding-bottom: var(--space-9); }
  .floating-call { padding: var(--space-2) var(--space-4); font-size: 0.85rem; }
}


/* ===== Bổ sung riêng cho WordPress ===== */
body.admin-bar .navbar { top: 32px; }
@media (max-width: 782px) { body.admin-bar .navbar { top: 46px; } }

.screen-reader-text {
  border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
  height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px;
}

.entry-content img { max-width: 100%; height: auto; }
.entry-content table { width: 100%; border-collapse: collapse; margin-bottom: var(--space-4); }
.entry-content table th, .entry-content table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); text-align: left; font-size: 0.9rem; }
.entry-content a { color: var(--color-primary); text-decoration: underline; }
.about-hero .entry-content, .about-hero p { font-size: 1.05rem; }

/* Phân trang */
.pagination { margin-top: var(--space-7); }
.pagination ul.page-numbers { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); }
.pagination .page-numbers { display: inline-block; }
.pagination li > .page-numbers {
  min-width: 40px; padding: var(--space-2) var(--space-3); text-align: center;
  border: 1px solid var(--color-border); border-radius: var(--radius-pill);
  font-weight: 600; font-size: 0.9rem; color: var(--color-text);
}
.pagination li > a.page-numbers:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination li > .page-numbers.current { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
.pagination li > .page-numbers.dots { border: 0; }
.product-image { overflow: hidden; } .product-image a { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; cursor: pointer; } .product-image img { transition: transform 0.4s ease, filter 0.4s ease; will-change: transform; } .product-card:hover .product-image img { transform: scale(1.08); filter: brightness(1.03); } @media (prefers-reduced-motion: reduce) { .product-image img { transition: none; } .product-card:hover .product-image img { transform: none; } }