/*
Theme Name: Liming Sky EN
Theme URI: https://example.com/liming-sky-en
Author: WorkBuddy
Description: English WordPress theme for LIMING HEAVY INDUSTRY CO., LTD. Sky-blue / white corporate design based on the mpex.com.cn layout, with a GEO article model (Quick Answer, auto TOC, FAQ, sources, author, JSON-LD) for AI search engines.
Version: 1.0.0
Requires at least: 5.9
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: liming-sky-en
Tags: business, blog, custom-menu, featured-images, translation-ready, one-column, responsive-layout
*/


/* ==========================================================================
   01. Colors & sizing - change the theme color with the 8 variables below
   ========================================================================== */
:root {
    --sky:        #0ea5e9;
    --sky-deep:   #0369a1;
    --sky-dark:   #075985;
    --sky-light:  #7dd3fc;
    --sky-soft:   #e0f2fe;
    --sky-tint:   #f0f9ff;
    --ink:        #12364f;
    --muted:      #5c7b91;
    --line:       #d8eaf7;
    --white:      #ffffff;
    --wrap:       1200px;
    --radius:     14px;
    --shadow:     0 10px 30px rgba(3, 105, 161, .10);
}

/* ==========================================================================
   02. Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--white);
    color: var(--ink);
    font: 16px/1.85 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: var(--sky-deep); text-decoration: none; transition: color .2s; }
a:hover { color: var(--sky); }
h1, h2, h3, h4, h5, h6 { color: var(--sky-deep); line-height: 1.35; margin: 0 0 .6em; font-weight: 700; }
p { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.3em; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
.wrap { width: min(100% - 40px, var(--wrap)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 999; background: var(--sky-deep); color: #fff; padding: 10px 18px; }
.skip-link:focus { left: 12px; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ==========================================================================
   03. Top bar / site header / navigation
   ========================================================================== */
.topbar { background: linear-gradient(90deg, var(--sky-dark), var(--sky-deep)); color: #d9efff; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 16px; }
.topbar a { color: #fff; font-weight: 600; }
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 76px; }
.site-branding { flex-shrink: 0; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--sky-deep); }
.logo-mark { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(140deg, var(--sky), var(--sky-deep)); display: grid; place-items: center; box-shadow: 0 6px 14px rgba(14,165,233,.28); }
.logo-mark svg { width: 26px; height: 26px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 19px; letter-spacing: .5px; }
.logo-text small { font-size: 11px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }
.primary-nav { margin-left: auto; }
.primary-nav .menu, .footer-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.primary-nav .menu > li { position: relative; }
.primary-nav .menu > li > a { display: block; padding: 26px 13px; font-size: 15px; font-weight: 600; color: var(--ink); position: relative; }
.primary-nav .menu > li > a::after { content: ""; position: absolute; left: 13px; right: 13px; bottom: 16px; height: 2px; background: var(--sky); transform: scaleX(0); transition: transform .2s; }
.primary-nav .menu > li:hover > a, .primary-nav .menu > li.current-menu-item > a, .primary-nav .menu > li.current_page_item > a { color: var(--sky-deep); }
.primary-nav .menu > li:hover > a::after, .primary-nav .menu > li.current-menu-item > a::after { transform: scaleX(1); }
.primary-nav .sub-menu { position: absolute; top: 100%; left: 0; min-width: 200px; background: #fff; border: 1px solid var(--line); border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow); padding: 8px; list-style: none; margin: 0; opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s; }
.primary-nav .menu > li:hover > .sub-menu, .primary-nav .menu > li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.primary-nav .sub-menu a { display: block; padding: 9px 12px; font-size: 14px; border-radius: 8px; color: var(--ink); white-space: nowrap; }
.primary-nav .sub-menu a:hover { background: var(--sky-tint); color: var(--sky-deep); }
.header-search { display: flex; align-items: center; background: var(--sky-tint); border: 1px solid var(--line); border-radius: 999px; padding: 4px 6px 4px 14px; flex-shrink: 0; }
.header-search input { width: 92px; border: 0; background: transparent; outline: none; font-size: 13px; color: var(--ink); }
.header-search button { border: 0; background: var(--sky); color: #fff; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; }
.header-search button svg { width: 15px; height: 15px; }
.nav-toggle { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 10px; }
.nav-toggle span { display: block; height: 2px; background: var(--sky-deep); margin: 4px 0; border-radius: 2px; }

/* ==========================================================================
   04. Homepage: Hero
   ========================================================================== */
.hero { position: relative; overflow: hidden; background: linear-gradient(120deg, #f0f9ff 0%, #e0f2fe 55%, #bae6fd 100%); border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; width: 620px; height: 620px; right: -140px; top: -260px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.75), rgba(255,255,255,0) 68%); }
.hero::after { content: ""; position: absolute; width: 300px; height: 300px; left: -110px; bottom: -180px; border-radius: 50%; border: 60px solid rgba(14,165,233,.08); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; padding: 92px 0 100px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--sky-deep); font-size: 13px; font-weight: 700; letter-spacing: 1px; padding: 7px 16px; border-radius: 999px; border: 1px solid var(--line); }
.hero h1 { font-size: clamp(34px, 4.4vw, 54px); letter-spacing: -1px; margin: 22px 0 18px; color: var(--sky-dark); }
.hero h1 em { font-style: normal; color: var(--sky); }
.hero-lead { font-size: 18px; color: var(--muted); max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 26px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: .2s; }
.btn-primary { background: var(--sky); color: #fff; box-shadow: 0 8px 20px rgba(14,165,233,.3); }
.btn-primary:hover { background: var(--sky-deep); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--sky-deep); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--sky); color: var(--sky-deep); }
.hero-panel { background: rgba(255,255,255,.82); border: 1px solid rgba(255,255,255,.9); border-radius: 22px; box-shadow: var(--shadow); padding: 30px; backdrop-filter: blur(10px); }
.hero-panel h2 { font-size: 17px; margin: 0 0 4px; }
.hero-panel .panel-sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 22px; }
.hero-stats div { background: var(--sky-tint); border-radius: 12px; padding: 14px 10px; text-align: center; }
.hero-stats strong { display: block; font-size: 24px; color: var(--sky-deep); line-height: 1.2; }
.hero-stats span { font-size: 12px; color: var(--muted); }
.hero-bars { display: grid; gap: 12px; }
.hero-bar { font-size: 13px; color: var(--muted); }
.hero-bar i { display: block; height: 8px; background: var(--sky-soft); border-radius: 99px; margin-top: 6px; overflow: hidden; }
.hero-bar i b { display: block; height: 100%; background: linear-gradient(90deg, var(--sky), var(--sky-deep)); border-radius: 99px; }

/* ==========================================================================
   05. Homepage: section headings / cards
   ========================================================================== */
.section { padding: 86px 0; }
.section-alt { background: var(--sky-tint); border-block: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 42px; }
.eyebrow { display: block; color: var(--sky); font-size: 13px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 8px; }
.section-head h2 { font-size: clamp(28px, 3vw, 38px); margin: 0; position: relative; padding-bottom: 14px; }
.section-head h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 52px; height: 3px; border-radius: 3px; background: var(--sky); }
.section-head .section-desc { color: var(--muted); max-width: 640px; margin: 12px 0 0; }
.more-link { flex-shrink: 0; font-size: 14px; font-weight: 600; border: 1px solid var(--line); padding: 8px 20px; border-radius: 999px; background: #fff; }
.more-link:hover { border-color: var(--sky); }
.grid { display: grid; gap: 22px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .22s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--sky-light); }
.card-thumb { display: grid; place-items: center; aspect-ratio: 4 / 3; background: linear-gradient(135deg, #e0f2fe, #bae6fd); color: var(--sky-deep); font-weight: 800; font-size: 21px; letter-spacing: 1px; overflow: hidden; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.card-tag { font-size: 12px; color: var(--sky-deep); background: var(--sky-soft); padding: 3px 10px; border-radius: 999px; align-self: flex-start; margin-bottom: 10px; }
.card h3 { font-size: 18px; margin: 0 0 8px; }
.card h3 a { color: var(--sky-deep); }
.card:hover h3 a { color: var(--sky); }
.card p { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
.card-link { margin-top: auto; font-size: 13px; font-weight: 600; color: var(--sky-deep); }
.card-link::after { content: " →"; }

/* About section */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-copy h2 { font-size: clamp(28px, 3vw, 38px); }
.about-copy p { color: var(--muted); font-size: 16px; }
.about-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.about-facts div { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px; box-shadow: 0 4px 14px rgba(3,105,161,.05); }
.about-facts strong { display: block; font-size: 30px; color: var(--sky); line-height: 1.2; }
.about-facts span { font-size: 14px; color: var(--muted); }

/* News */
.news-date { width: 64px; flex-shrink: 0; text-align: center; background: linear-gradient(160deg, var(--sky), var(--sky-deep)); color: #fff; border-radius: 12px; padding: 10px 0; }
.news-date b { display: block; font-size: 24px; line-height: 1.1; }
.news-date small { font-size: 11px; opacity: .9; }
.news-item { display: flex; gap: 18px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: .2s; }
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-item h3 { font-size: 17px; margin: 0 0 8px; line-height: 1.5; }
.news-item h3 a { color: var(--sky-deep); }
.news-item p { font-size: 14px; color: var(--muted); margin: 0; }

/* CTA */
.cta-band { background: linear-gradient(110deg, var(--sky-deep), var(--sky)); color: #fff; padding: 54px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: 28px; margin: 0 0 6px; }
.cta-band p { margin: 0; color: #e0f2fe; }
.cta-band .btn { background: #fff; color: var(--sky-deep); }
.cta-band .btn:hover { background: var(--sky-soft); }

/* ==========================================================================
   06. Footer
   ========================================================================== */
.site-footer { background: linear-gradient(160deg, #075985, #083b5b); color: #cfe9fa; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 44px; }
.site-footer h2, .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.site-footer p { font-size: 14px; color: #b9dcf2; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 14px; }
.footer-links a { color: #cfe9fa; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-contact li { list-style: none; font-size: 14px; margin-bottom: 10px; }
.footer-contact { margin: 0; padding: 0; }
.footer-contact a { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding: 20px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #a9d2ee; }
.footer-bottom a { color: #d9efff; }

/* ==========================================================================
   07. Inner pages: breadcrumbs / lists / pagination
   ========================================================================== */
.page-hero { background: linear-gradient(120deg, var(--sky-tint), var(--sky-soft)); padding: 46px 0; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(28px, 3.4vw, 40px); margin: 0 0 8px; }
.page-hero p { color: var(--muted); margin: 0; max-width: 760px; }
.breadcrumbs { font-size: 13px; color: var(--muted); padding: 18px 0; }
.single-post .breadcrumbs { width: min(100% - 40px, 860px); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.breadcrumbs li::after { content: "/"; margin-left: 8px; color: var(--sky-light); }
.breadcrumbs li:last-child::after { content: ""; }
.list-layout { padding-bottom: 80px; }
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 42px; flex-wrap: wrap; }
.pagination .page-numbers { padding: 8px 15px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.pagination .current { background: var(--sky); color: #fff; border-color: var(--sky); }
.empty-state { padding: 60px 20px; text-align: center; background: var(--sky-tint); border-radius: var(--radius); color: var(--muted); }

/* ==========================================================================
   08. GEO Article Model
   Quick Answer -> TOC -> Body (question-style H2) -> FAQ -> Sources -> Author / Internal links
   ========================================================================== */
.article-wrap { padding: 10px 0 80px; }
.article { max-width: 860px; margin-inline: auto; }
.article-header { padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.article-kicker { font-size: 13px; font-weight: 600; color: var(--sky-deep); margin-bottom: 12px; }
.article-kicker a { background: var(--sky-soft); padding: 3px 10px; border-radius: 999px; margin-right: 6px; }
.article-header h1 { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.3; margin: 0 0 16px; }
.article-lead { font-size: 19px; color: var(--muted); margin: 0 0 22px; line-height: 1.7; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--muted); }
.article-meta strong { color: var(--sky-deep); }

.answer-box { background: linear-gradient(140deg, var(--sky-tint), var(--sky-soft)); border: 1px solid var(--sky-light); border-left: 5px solid var(--sky); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 30px; }
.answer-box h2 { font-size: 17px; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.answer-box h2::before { content: "✓"; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--sky); color: #fff; font-size: 13px; }
.answer-box > p { font-size: 17px; margin: 0; color: var(--ink); }
.answer-box ul { margin: 16px 0 0; padding-left: 1.2em; }
.answer-box li { margin-bottom: 6px; }

.article-toc { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 36px; }
.article-toc h2 { font-size: 16px; margin: 0 0 12px; }
.article-toc ol { margin: 0; padding-left: 1.4em; columns: 2; column-gap: 32px; }
.article-toc li { margin-bottom: 7px; break-inside: avoid; }
.article-toc li.toc-h3 { padding-left: 16px; font-size: 14px; }
.article-toc a { color: var(--sky-deep); }
.article-toc a.is-active { color: var(--sky); font-weight: 700; }

.article-body { font-size: 17px; line-height: 1.9; }
.article-body h2 { font-size: 26px; margin: 2.2em 0 .8em; padding-left: 14px; border-left: 4px solid var(--sky); scroll-margin-top: 100px; }
.article-body h3 { font-size: 20px; margin: 1.8em 0 .7em; scroll-margin-top: 100px; }
.article-body h4 { font-size: 18px; }
.article-body p, .article-body ul, .article-body ol { margin-bottom: 1.2em; }
.article-body li { margin-bottom: .4em; }
.article-body img { border-radius: var(--radius); }
.article-body figure { margin: 1.8em 0; }
.article-body figcaption { text-align: center; font-size: 13px; color: var(--muted); }
.article-body blockquote { margin: 1.6em 0; padding: 14px 22px; background: var(--sky-tint); border-left: 4px solid var(--sky); border-radius: 0 10px 10px 0; color: var(--sky-dark); }
.article-body blockquote p:last-child { margin: 0; }
.article-body pre { background: var(--sky-tint); border: 1px solid var(--line); padding: 18px; border-radius: 10px; overflow-x: auto; font-size: 14px; }
.article-body code { font-family: Consolas, Monaco, monospace; font-size: .92em; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 15px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.article-body thead th { background: var(--sky-soft); color: var(--sky-dark); }
.article-body tbody tr:nth-child(even) { background: var(--sky-tint); }
.article-body hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.article-body dl dt { font-weight: 700; color: var(--sky-deep); }
.article-body dl dd { margin: 0 0 1em 1.2em; color: var(--muted); }

.geo-faq { margin-top: 54px; }
.geo-faq h2 { font-size: 24px; padding-bottom: 12px; border-bottom: 2px solid var(--sky-soft); }
.faq-item { padding: 18px 0; border-bottom: 1px dashed var(--line); }
.faq-item h3 { font-size: 18px; margin: 0 0 8px; }
.faq-item h3::before { content: "Q "; color: var(--sky); font-weight: 800; }
.faq-item p { margin: 0; color: var(--muted); }
.geo-sources { margin-top: 40px; background: var(--sky-tint); border-radius: var(--radius); padding: 22px 26px; }
.geo-sources h2 { font-size: 18px; margin: 0 0 10px; }
.geo-sources ul { margin: 0; font-size: 14px; }
.article-footer { margin-top: 50px; }
.author-card { display: flex; gap: 18px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.author-avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(140deg, var(--sky), var(--sky-deep)); color: #fff; display: grid; place-items: center; font-size: 22px; font-weight: 700; flex-shrink: 0; }
.author-card h2 { font-size: 17px; margin: 0 0 4px; }
.author-card p { font-size: 14px; color: var(--muted); margin: 0; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.article-tags a { background: var(--sky-soft); color: var(--sky-deep); padding: 5px 12px; border-radius: 999px; font-size: 13px; }
.updated-note { font-size: 13px; color: var(--muted); }
.related-section { margin-top: 54px; }
.related-section h2 { font-size: 22px; margin-bottom: 20px; }
.post-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; }
.comments-area { max-width: 860px; margin: 0 auto 80px; }
.comments-area h2 { font-size: 22px; }
.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-list li { border-bottom: 1px solid var(--line); padding: 16px 0; }
.comment-form input, .comment-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin-bottom: 12px; }
.comment-form .submit { background: var(--sky); color: #fff; border: 0; border-radius: 999px; padding: 10px 26px; }

/* ==========================================================================
   09. Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .hero-inner { gap: 30px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .primary-nav .menu > li > a { padding-inline: 9px; font-size: 14px; }
    .header-search { display: none; }
}
@media (max-width: 820px) {
    .header-inner { min-height: 66px; }
    .nav-toggle { display: block; }
    .primary-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); padding: 10px 20px 20px; max-height: 75vh; overflow-y: auto; }
    .primary-nav.is-open { display: block; }
    .primary-nav .menu { display: block; }
    .primary-nav .menu > li > a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
    .primary-nav .menu > li > a::after { display: none; }
    .primary-nav .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 8px 12px; }
    .hero-inner { grid-template-columns: 1fr; padding: 60px 0 70px; }
    .hero-panel { max-width: 520px; }
    .about-grid { grid-template-columns: 1fr; gap: 30px; }
    .grid-3, .posts-grid { grid-template-columns: repeat(2, 1fr); }
    .section { padding: 60px 0; }
}
@media (max-width: 600px) {
    .topbar-inner { font-size: 12px; }
    .topbar-inner span:first-child { display: none; }
    .topbar-inner { justify-content: center; }
    .grid-4, .grid-3, .posts-grid { grid-template-columns: 1fr; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); }
    .about-facts { grid-template-columns: repeat(2, 1fr); }
    .article-toc ol { columns: 1; }
    .article-body { font-size: 16px; }
    .article-body h2 { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .post-nav { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ==========================================================================
   10. Bundled images (company logo + transparent product renders)
   ========================================================================== */
.logo-img { height: 46px; width: auto; display: block; }
.hero-mills { width: 100%; height: 180px; object-fit: contain; margin-bottom: 14px; }
.card-thumb.is-product { background: linear-gradient(150deg, #ffffff, var(--sky-soft)); }
.card-thumb.is-product img { object-fit: contain; padding: 14px; }