/*
Theme Name: Purolean Theme
Description: Official Purolean Global blog theme
Version: 2.0
*/
:root {
  --gold: #BC9C22;
  --gold-light: #D4B84A;
  --gold-dark: #9A7E1A;
  --white: #FFFFFF;
  --off-white: #FAF8F3;
  --cream: #F5F0E8;
  --green: #3A5A40;
  --green-light: #4A7052;
  --brown: #8B5E3C;
  --brown-light: #A87248;
  --text: #3D2B1F;
  --text-mid: #6B5344;
  --text-light: #9A8070;
  --border: #E8DCC8;
  --shadow-gold: rgba(188,156,34,0.15);
  --shadow-soft: rgba(61,43,31,0.08);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Trebuchet MS', 'Josefin Sans', Arial, sans-serif; background: var(--white); color: var(--text); line-height: 1.75; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold-dark); }
h1,h2,h3,h4,h5,h6 { font-family: 'Trebuchet MS', sans-serif; color: var(--green); line-height: 1.3; font-weight: 700; }
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
p { margin-bottom: 1.25rem; color: var(--text); }
body.admin-bar .site-header { top: 32px; }
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--white); border-bottom: 2px solid var(--gold); box-shadow: 0 2px 16px var(--shadow-gold); }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.site-branding { display: flex; flex-direction: column; text-decoration: none; }
.site-title { font-family: 'Trebuchet MS', sans-serif; font-size: 1.4rem; font-weight: 800; color: var(--gold); letter-spacing: 0.08em; text-transform: uppercase; line-height: 1; }
.site-tagline { font-size: 0.65rem; color: var(--green); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 2px; }
.main-nav ul { list-style: none; display: flex; gap: 2rem; align-items: center; }
.main-nav a { color: var(--text); font-family: 'Trebuchet MS', sans-serif; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.main-nav a:hover { color: var(--gold); }
.nav-cta { background: var(--gold) !important; color: var(--white) !important; padding: 0.45rem 1.1rem; border-radius: 4px; font-size: 0.8rem !important; }
.nav-cta:hover { background: var(--gold-dark) !important; color: var(--white) !important; }
.blog-hero { background: linear-gradient(135deg, var(--off-white) 0%, var(--cream) 100%); border-bottom: 1px solid var(--border); padding: 80px 24px 60px; text-align: center; }
.blog-hero .eyebrow { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 12px; }
.blog-hero h1 { color: var(--green); margin-bottom: 16px; }
.blog-hero .hero-tagline { color: var(--text-mid); font-size: 1.05rem; max-width: 560px; margin: 0 auto 24px; }
.gold-bar { width: 60px; height: 3px; background: var(--gold); margin: 0 auto 28px; border-radius: 2px; }
.category-filter { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
.category-filter a { padding: 0.4rem 1rem; border-radius: 100px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; border: 1.5px solid var(--border); color: var(--text-mid); background: var(--white); transition: all 0.2s; }
.category-filter a:hover, .category-filter a.active { border-color: var(--gold); color: var(--gold); background: rgba(188,156,34,0.06); }
.blog-main { max-width: 1200px; margin: 0 auto; padding: 60px 24px 80px; }
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 32px; }
.post-card.featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 32px var(--shadow-gold); border: 1px solid var(--border); }
.post-card.featured .card-image { min-height: 320px; background: var(--cream); }
.post-card.featured .card-body { padding: 48px 40px; display: flex; flex-direction: column; justify-content: center; }
.post-card { background: var(--white); border-radius: 12px; overflow: hidden; border: 1px solid var(--border); transition: transform 0.25s, box-shadow 0.25s; }
.post-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px var(--shadow-gold); }
.card-image { aspect-ratio: 16/9; overflow: hidden; background: var(--cream); }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.post-card:hover .card-image img { transform: scale(1.04); }
.card-placeholder { width: 100%; height: 100%; min-height: 200px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--cream), var(--off-white)); font-size: 3.5rem; }
.card-body { padding: 24px; }
.card-category { display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--green); background: rgba(58,90,64,0.08); padding: 3px 10px; border-radius: 100px; margin-bottom: 10px; }
.card-title { font-size: 1.15rem; color: var(--green); margin-bottom: 10px; font-weight: 700; line-height: 1.35; }
.card-title a { color: inherit; }
.card-title a:hover { color: var(--gold); }
.card-excerpt { font-size: 0.9rem; color: var(--text-mid); margin-bottom: 16px; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.75rem; color: var(--text-light); padding-top: 12px; border-top: 1px solid var(--border); }
.read-more { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; color: var(--gold); text-transform: uppercase; margin-top: 16px; }
.read-more:hover { color: var(--gold-dark); }
.cert-strip { background: var(--green); color: rgba(255,255,255,0.9); padding: 14px 24px; display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.cert-item { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; }
.cert-item::before { content: "checkmark "; color: var(--gold); font-weight: 900; }
.single-post-wrap { max-width: 800px; margin: 0 auto; padding: 60px 24px 80px; }
.post-header { text-align: center; margin-bottom: 48px; padding-bottom: 32px; border-bottom: 2px solid var(--border); }
.post-category-badge { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--white); background: var(--green); padding: 4px 14px; border-radius: 100px; margin-bottom: 16px; }
.post-title { font-size: clamp(1.8rem,4vw,3rem); color: var(--green); margin-bottom: 16px; }
.post-meta { font-size: 0.82rem; color: var(--text-light); display: flex; align-items: center; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.post-featured-image { border-radius: 12px; overflow: hidden; margin-bottom: 40px; box-shadow: 0 8px 32px var(--shadow-soft); }
.post-content { font-family: 'Lora', 'Georgia', serif; font-size: 1.05rem; line-height: 1.85; color: var(--text); }
.post-content h2 { font-family: 'Trebuchet MS', sans-serif; color: var(--green); margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--gold); }
.post-content h3 { font-family: 'Trebuchet MS', sans-serif; color: var(--brown); margin: 2rem 0 0.75rem; }
.post-content p { margin-bottom: 1.5rem; }
.post-content a { color: var(--gold); text-decoration: underline; }
.post-content ul, .post-content ol { margin: 0 0 1.5rem 1.5rem; }
.post-content li { margin-bottom: 0.5rem; }
.post-content blockquote { border-left: 4px solid var(--gold); margin: 2rem 0; padding: 1rem 1.5rem; background: var(--cream); border-radius: 0 8px 8px 0; font-style: italic; color: var(--text-mid); }
.post-content blockquote p { margin: 0; }
.post-content img { border-radius: 8px; margin: 2rem auto; box-shadow: 0 4px 16px var(--shadow-soft); }
.post-content table { width: 100%; border-collapse: collapse; margin: 2rem 0; font-size: 0.92rem; }
.post-content th { background: var(--green); color: var(--white); padding: 10px 14px; text-align: left; }
.post-content td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.post-content tr:nth-child(even) td { background: var(--off-white); }
.product-highlight { background: linear-gradient(135deg, var(--cream), var(--off-white)); border: 1.5px solid var(--gold); border-radius: 12px; padding: 28px; margin: 2.5rem 0; }
.product-highlight h4 { color: var(--gold); font-family: 'Trebuchet MS', sans-serif; margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.85rem; }
.key-takeaway { background: var(--green); color: var(--white); border-radius: 12px; padding: 24px 28px; margin: 2.5rem 0; }
.key-takeaway h4 { color: var(--gold); margin-bottom: 0.5rem; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; }
.key-takeaway p { color: rgba(255,255,255,0.9); margin: 0; }
.post-tags { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.post-tags .label { font-size: 0.8rem; font-weight: 700; color: var(--text-mid); text-transform: uppercase; letter-spacing: 0.08em; }
.post-tags a { padding: 3px 12px; border: 1px solid var(--border); border-radius: 100px; font-size: 0.78rem; color: var(--text-mid); }
.post-tags a:hover { border-color: var(--gold); color: var(--gold); }
.cta-box { background: linear-gradient(135deg, var(--green) 0%, #2A4430 100%); border-radius: 16px; padding: 48px 40px; text-align: center; margin: 60px 0; color: var(--white); }
.cta-box h3 { color: var(--gold); margin-bottom: 12px; }
.cta-box p { color: rgba(255,255,255,0.85); margin-bottom: 24px; }
.cta-btn { display: inline-block; background: var(--gold); color: var(--white); padding: 0.75rem 2rem; border-radius: 6px; font-weight: 700; font-size: 0.9rem; letter-spacing: 0.08em; text-transform: uppercase; transition: background 0.2s, transform 0.2s; }
.cta-btn:hover { background: var(--gold-dark); color: var(--white); transform: translateY(-2px); }
.related-posts { background: var(--off-white); padding: 60px 24px; }
.related-posts .section-heading { text-align: center; font-size: 1.4rem; color: var(--green); margin-bottom: 8px; }
.section-gold-bar { width: 48px; height: 3px; background: var(--gold); margin: 8px auto 32px; border-radius: 2px; }
.related-grid { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.site-footer { background: var(--green); color: rgba(255,255,255,0.85); padding: 60px 24px 0; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .brand-name { font-family: 'Trebuchet MS', sans-serif; font-size: 1.4rem; font-weight: 800; color: var(--gold); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.footer-brand .brand-tag { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 14px; }
.footer-brand p { font-size: 0.87rem; color: rgba(255,255,255,0.7); line-height: 1.7; }
.footer-col h4 { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; font-family: 'Trebuchet MS', sans-serif; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,0.65); font-size: 0.87rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); max-width: 1200px; margin: 0 auto; padding: 20px 0; display: flex; align-items: center; justify-content: space-between; font-size: 0.78rem; color: rgba(255,255,255,0.45); flex-wrap: wrap; gap: 8px; }
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--gold); }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 60px; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 8px 16px; border: 1.5px solid var(--border); border-radius: 6px; font-size: 0.87rem; font-weight: 600; color: var(--text-mid); transition: all 0.2s; }
.pagination a:hover, .pagination .current { border-color: var(--gold); color: var(--gold); background: rgba(188,156,34,0.06); }
@media (max-width: 960px) {
  .posts-grid { grid-template-columns: 1fr 1fr; }
  .post-card.featured { grid-template-columns: 1fr; }
  .post-card.featured .card-image { min-height: 240px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .header-inner { height: 60px; }
  .site-title { font-size: 1.1rem; }
  .main-nav .nav-links { display: none; }
  .posts-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .blog-hero { padding: 48px 20px 36px; }
  .cta-box { padding: 32px 20px; }
  .single-post-wrap { padding: 32px 16px 60px; }
  .post-card.featured .card-body { padding: 28px 20px; }
  body.admin-bar .site-header { top: 46px; }
}
/* Fix: CTA button text colour when rendered inside .entry-content */
.entry-content .cta-box .cta-btn,
.cta-box .cta-btn { color: #ffffff !important; }