/* ============================================================
   Anupam Plastics & Allied Industries — Blog Stylesheet
   Color palette: Navy Blue #0c4a8f | Orange #e8690a | Light #f0f4f8
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,600;1,8..60,400&family=Inter:wght@400;500;600&display=swap');

:root {
  --primary:      #0c4a8f;
  --primary-dark: #083770;
  --primary-light:#e6f0fb;
  --accent:       #e8690a;
  --accent-dark:  #c25308;
  --accent-light: #fff3ea;
  --dark:         #12233d;
  --text:         #2c3e50;
  --muted:        #5a6a7e;
  --border:       #d0dcec;
  --light:        #f0f4f9;
  --white:        #ffffff;
  --success:      #1a7e4a;
  --radius:       8px;
  --radius-lg:    14px;
  --shadow:       0 2px 16px rgba(12,74,143,.10);
  --shadow-card:  0 4px 24px rgba(12,74,143,.12);
  --font-head:    'Rajdhani', sans-serif;
  --font-body:    'Source Serif 4', Georgia, serif;
  --font-ui:      'Inter', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); text-decoration: underline; }

/* ── Top bar ──────────────────────────────────────── */
.topbar {
  background: var(--dark);
  color: rgba(255,255,255,.80);
  font-family: var(--font-ui);
  font-size: 13px;
  padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: var(--accent); text-decoration: none; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; }

/* ── Header / Nav ─────────────────────────────────── */
.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--primary);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 10px rgba(12,74,143,.10);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 20px; }
.site-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.site-logo img { height: 52px; width: auto; }
.site-logo-text { display: flex; flex-direction: column; }
.site-logo-text .name { font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: .5px; line-height:1.1; }
.site-logo-text .tagline { font-family: var(--font-ui); font-size: 11px; color: var(--muted); letter-spacing: .06em; }

nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
nav a {
  font-family: var(--font-ui); font-size: 14px; font-weight: 500;
  color: var(--dark); padding: 8px 14px; border-radius: var(--radius);
  transition: background .18s, color .18s;
}
nav a:hover, nav a.active { background: var(--primary-light); color: var(--primary); text-decoration: none; }
.nav-cta {
  background: var(--accent) !important; color: var(--white) !important;
  border-radius: var(--radius); padding: 8px 18px !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; }

.dropdown { position: relative; }
.dropdown > a::after { content: " ▾"; font-size: 10px; }
.dropdown-menu {
  display: none; position: absolute; top: calc(100% + 6px); left: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 6px; min-width: 240px;
  box-shadow: var(--shadow-card); z-index: 200;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 8px 12px; font-size: 13.5px; color: var(--dark); border-radius: var(--radius); }
.dropdown-menu a:hover { background: var(--primary-light); color: var(--primary); }

.mobile-menu-btn { display: none; background: none; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 6px 10px; cursor: pointer; font-size: 18px; color: var(--dark); }

/* ── Container ────────────────────────────────────── */
.container { max-width: 1120px; margin: 0 auto; padding: 0 22px; }

/* ── Breadcrumb ───────────────────────────────────── */
.breadcrumb { background: var(--light); padding: 10px 0; font-family: var(--font-ui); font-size: 13px; color: var(--muted); }
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* ── Hero banner ──────────────────────────────────── */
.blog-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #1565c0 100%);
  color: var(--white); padding: 52px 0 48px;
  position: relative; overflow: hidden;
}
.blog-hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.blog-hero .container { position: relative; z-index: 1; }
.blog-hero .category-badge {
  display: inline-block; background: var(--accent); color: var(--white);
  font-family: var(--font-ui); font-size: 11.5px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 20px; margin-bottom: 14px;
}
.blog-hero h1 {
  font-family: var(--font-head); font-size: clamp(26px,4vw,42px); font-weight: 700;
  line-height: 1.2; letter-spacing: .3px; margin-bottom: 16px; color: var(--white);
}
.blog-meta { display: flex; gap: 22px; flex-wrap: wrap; font-family: var(--font-ui); font-size: 13px; color: rgba(255,255,255,.75); }
.blog-meta span::before { content: '• '; }
.blog-meta span:first-child::before { content: ''; }

/* ── Two-column layout ────────────────────────────── */
.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; padding: 48px 0 64px; align-items: start; }

/* ── Article body ─────────────────────────────────── */
.article-body h2 {
  font-family: var(--font-head); font-size: 26px; font-weight: 700;
  color: var(--primary); margin: 36px 0 12px; padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light); letter-spacing: .3px;
}
.article-body h3 {
  font-family: var(--font-head); font-size: 20px; font-weight: 600;
  color: var(--dark); margin: 26px 0 8px;
}
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 18px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--dark); font-weight: 600; }
.article-body a { color: var(--primary); font-weight: 500; border-bottom: 1px dotted var(--primary); }
.article-body a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

/* Table */
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-family: var(--font-ui); font-size: 14px; }
.article-body th { background: var(--primary); color: var(--white); padding: 10px 14px; text-align: left; }
.article-body td { padding: 9px 14px; border-bottom: 1px solid var(--border); }
.article-body tr:nth-child(even) td { background: var(--light); }
.article-body tr:hover td { background: var(--primary-light); }

/* Highlight box */
.highlight-box {
  background: var(--primary-light); border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 16px 20px; margin: 26px 0;
}
.highlight-box p { margin: 0; font-size: 16px; }

/* Key points */
.key-points { background: var(--light); border-radius: var(--radius-lg); padding: 22px 26px; margin: 26px 0; }
.key-points h4 { font-family: var(--font-head); font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.key-points li { font-size: 15.5px; padding-left: 6px; }
.key-points li::marker { color: var(--accent); }

/* ── FAQ Section ──────────────────────────────────── */
.faq-section { margin: 42px 0; }
.faq-section h2 { font-family: var(--font-head); font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 20px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-lg); margin-bottom: 10px; overflow: hidden; }
.faq-question {
  font-family: var(--font-ui); font-size: 15.5px; font-weight: 600; color: var(--dark);
  padding: 16px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  background: var(--white); transition: background .18s;
}
.faq-question:hover { background: var(--primary-light); }
.faq-question .faq-icon { font-size: 18px; color: var(--primary); flex-shrink: 0; transition: transform .25s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 20px 16px; font-size: 15.5px; line-height: 1.7; color: var(--text); border-top: 1px solid var(--border); }
.faq-item.open .faq-answer { display: block; padding-top: 14px; }

/* ── CTA Box ──────────────────────────────────────── */
.cta-box {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white); border-radius: var(--radius-lg); padding: 32px 30px; margin: 42px 0;
  text-align: center;
}
.cta-box h3 { font-family: var(--font-head); font-size: 24px; font-weight: 700; margin-bottom: 10px; color: var(--white); }
.cta-box p { font-size: 15.5px; color: rgba(255,255,255,.88); margin-bottom: 20px; }
.btn-cta {
  display: inline-block; background: var(--accent); color: var(--white);
  font-family: var(--font-ui); font-size: 15px; font-weight: 600;
  padding: 12px 32px; border-radius: var(--radius); transition: background .18s, transform .15s;
  border: none; cursor: pointer; text-decoration: none;
}
.btn-cta:hover { background: var(--accent-dark); transform: translateY(-1px); text-decoration: none; color: var(--white); }

/* ── Sidebar ──────────────────────────────────────── */
.sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow);
}
.sidebar-card h4 {
  font-family: var(--font-head); font-size: 17px; font-weight: 700; color: var(--primary);
  margin-bottom: 14px; padding-bottom: 8px; border-bottom: 2px solid var(--primary-light);
}
.sidebar-card ul { list-style: none; padding: 0; }
.sidebar-card li { padding: 6px 0; border-bottom: 1px solid var(--light); font-family: var(--font-ui); font-size: 14px; }
.sidebar-card li:last-child { border-bottom: none; }
.sidebar-card a { color: var(--dark); }
.sidebar-card a:hover { color: var(--primary); text-decoration: none; }
.sidebar-card li::before { content: '→ '; color: var(--accent); font-weight: 700; }

.contact-card { background: var(--primary); color: var(--white); }
.contact-card h4 { color: var(--white); border-bottom-color: rgba(255,255,255,.3); }
.contact-card p { font-family: var(--font-ui); font-size: 14px; color: rgba(255,255,255,.85); margin-bottom: 8px; }
.contact-card .btn-cta { display: block; text-align: center; margin-top: 14px; }

/* ── Related posts ────────────────────────────────── */
.related-posts { background: var(--light); padding: 48px 0; }
.related-posts h2 { font-family: var(--font-head); font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 24px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 20px; }
.related-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px; transition: transform .18s, box-shadow .18s;
}
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.related-card .rc-cat { font-family: var(--font-ui); font-size: 11px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.related-card h3 { font-family: var(--font-head); font-size: 17px; font-weight: 600; color: var(--dark); margin-bottom: 8px; line-height: 1.3; }
.related-card p { font-family: var(--font-ui); font-size: 13.5px; color: var(--muted); }
.related-card a { text-decoration: none; display: block; }
.related-card a:hover { text-decoration: none; }

/* ── Blog Index page ──────────────────────────────── */
.blog-index-hero { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: var(--white); padding: 60px 0; text-align: center; }
.blog-index-hero h1 { font-family: var(--font-head); font-size: clamp(30px,5vw,52px); font-weight: 700; color: var(--white); margin-bottom: 14px; }
.blog-index-hero p { font-size: 18px; color: rgba(255,255,255,.85); max-width: 600px; margin: 0 auto; }

.blog-filters { padding: 24px 0; border-bottom: 1px solid var(--border); background: var(--white); position: sticky; top: 75px; z-index: 50; }
.filter-btn {
  display: inline-block; font-family: var(--font-ui); font-size: 13px; font-weight: 500;
  padding: 7px 18px; border: 1.5px solid var(--border); border-radius: 20px;
  color: var(--muted); cursor: pointer; transition: all .18s; background: var(--white); margin: 4px;
}
.filter-btn.active, .filter-btn:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }

.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px,1fr)); gap: 28px; padding: 48px 0 64px; }
.blog-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.blog-card-img {
  height: 180px; display: flex; align-items: center; justify-content: center;
  font-size: 52px; position: relative; overflow: hidden;
}
.blog-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.blog-card-cat { font-family: var(--font-ui); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: 8px; }
.blog-card h3 { font-family: var(--font-head); font-size: 19px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.3; }
.blog-card p { font-family: var(--font-ui); font-size: 13.5px; color: var(--muted); flex: 1; margin-bottom: 16px; line-height: 1.6; }
.blog-card-meta { font-family: var(--font-ui); font-size: 12px; color: var(--muted); display: flex; gap: 14px; align-items: center; border-top: 1px solid var(--light); padding-top: 12px; }
.read-more { font-family: var(--font-ui); font-size: 13px; font-weight: 600; color: var(--primary); }
.read-more:hover { color: var(--accent); }

/* ── Footer ───────────────────────────────────────── */
.site-footer { background: var(--dark); color: rgba(255,255,255,.80); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.footer-col h5 { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 14px; letter-spacing: .5px; }
.footer-col p { font-family: var(--font-ui); font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.70); }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { padding: 4px 0; font-family: var(--font-ui); font-size: 14px; }
.footer-col a { color: rgba(255,255,255,.75); }
.footer-col a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; text-align: center; font-family: var(--font-ui); font-size: 13px; color: rgba(255,255,255,.50); }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  nav { display: none; }
  .mobile-menu-btn { display: block; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .blog-hero { padding: 36px 0; }
  .topbar .topbar-right { display: none; }
}

/* ── TOC ──────────────────────────────────────────── */
.toc { background: var(--light); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px 24px; margin: 0 0 32px; }
.toc h4 { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.toc ol { padding-left: 20px; }
.toc li { font-family: var(--font-ui); font-size: 14px; padding: 3px 0; }
.toc a { color: var(--primary); border-bottom: none; }

/* ── Author strip ─────────────────────────────────── */
.author-strip { display: flex; align-items: center; gap: 14px; padding: 18px 20px; background: var(--light); border-radius: var(--radius-lg); margin: 32px 0 0; font-family: var(--font-ui); }
.author-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; flex-shrink: 0; }
.author-info .name { font-weight: 600; font-size: 14px; color: var(--dark); }
.author-info .role { font-size: 13px; color: var(--muted); }

/* ── Share strip ──────────────────────────────────── */
.share-strip { display: flex; align-items: center; gap: 12px; padding: 16px 0; border-top: 1px solid var(--border); margin-top: 32px; font-family: var(--font-ui); font-size: 14px; color: var(--muted); }
.share-btn { display: inline-flex; align-items: center; gap: 6px; background: var(--light); border: 1px solid var(--border); border-radius: var(--radius); padding: 7px 14px; font-size: 13px; font-weight: 500; color: var(--dark); cursor: pointer; text-decoration: none; transition: background .15s; }
.share-btn:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; }