/* ===================================================
   Energy Wiz Blog Styles
   Extends main style.css - blog-specific components
=================================================== */

/* ---- Blog Breadcrumb ---- */
.blog_breadcrumb {
  background: linear-gradient(135deg, #f0edff 0%, #e8f5e9 100%);
  padding: 16px 0;
  border-bottom: 1px solid rgba(108, 68, 253, 0.08);
}
.blog_breadcrumb .breadcrumb {
  background: transparent;
  margin: 0;
  padding: 0;
  font-size: 14px;
}
.blog_breadcrumb .breadcrumb-item a {
  color: #6c44fd;
  text-decoration: none;
}
.blog_breadcrumb .breadcrumb-item.active { color: #666; }
.blog_breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: #aaa; }

/* ---- Blog Listing Hero ---- */
.blog_hero {
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.blog_hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108, 68, 253, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.blog_hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
  pointer-events: none;
}
.blog_hero_content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.blog_hero_content h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.blog_hero_content h1 span {
  background: linear-gradient(90deg, #10B981, #6c44fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.blog_hero_content p {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto 30px;
}
.blog_stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
}
.blog_stat_item {
  text-align: center;
}
.blog_stat_item .stat_number {
  font-size: 32px;
  font-weight: 700;
  color: #10B981;
  display: block;
}
.blog_stat_item .stat_label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Category Filter ---- */
.blog_categories {
  padding: 30px 0;
  background: #fff;
  border-bottom: 1px solid #f0edff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.category_tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.category_tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  text-decoration: none;
  background: #f5f3ff;
  color: #6c44fd;
}
.category_tab:hover,
.category_tab.active {
  background: #6c44fd;
  color: #fff;
  border-color: #6c44fd;
  text-decoration: none;
}
.category_tab[data-category="Energy Management"].active { background: #6c44fd; border-color: #6c44fd; }
.category_tab[data-category="Commercial"].active { background: #10B981; border-color: #10B981; }
.category_tab[data-category="Industrial"].active { background: #f59e0b; border-color: #f59e0b; }
.category_tab[data-category="Technology"].active { background: #3b82f6; border-color: #3b82f6; }
.category_tab[data-category="Policy"].active { background: #ef4444; border-color: #ef4444; }
.category_tab[data-category="Sustainability"].active { background: #10B981; border-color: #10B981; }
.category_tab[data-category="Cost Savings"].active { background: #f59e0b; border-color: #f59e0b; }

.blog_search_wrap {
  position: relative;
  max-width: 520px;
  margin: 0 auto 20px;
}
.blog_search_wrap i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: #6c44fd;
  font-size: 18px;
  pointer-events: none;
}
.blog_search_input {
  width: 100%;
  padding: 14px 18px 14px 48px;
  border: 2px solid #ece8ff;
  border-radius: 50px;
  font-size: 15px;
  color: #333;
  background: #faf9ff;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.blog_search_input:focus {
  outline: none;
  border-color: #6c44fd;
  box-shadow: 0 0 0 4px rgba(108, 68, 253, 0.12);
  background: #fff;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Pagination ---- */
.blog_pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-bottom: 20px;
}
.page_btn {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border: 2px solid #ece8ff;
  border-radius: 10px;
  background: #fff;
  color: #6c44fd;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}
.page_btn:hover:not(:disabled),
.page_btn.active {
  background: #6c44fd;
  border-color: #6c44fd;
  color: #fff;
}
.page_btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---- Featured Post ---- */
.featured_post_section {
  padding: 60px 0 30px;
  background: #fff;
}
.featured_post_card {
  background: linear-gradient(135deg, #0f0c29, #24243e);
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 380px;
  box-shadow: 0 20px 60px rgba(108, 68, 253, 0.2);
  transition: transform 0.3s ease;
}
.featured_post_card:hover { transform: translateY(-4px); }
.featured_post_content {
  padding: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured_badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.2);
  color: #10B981;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: fit-content;
}
.featured_post_content h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.featured_post_content p {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}
.featured_post_meta {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  margin-bottom: 24px;
}
.featured_post_meta span { display: flex; align-items: center; gap: 6px; }
.featured_post_image {
  background: linear-gradient(135deg, rgba(108, 68, 253, 0.3), rgba(16, 185, 129, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.featured_post_image .post_icon_large {
  font-size: 120px;
  color: rgba(255,255,255,0.08);
  position: absolute;
}
.featured_post_image .post_icon_main {
  font-size: 80px;
  color: rgba(16, 185, 129, 0.6);
  position: relative;
  z-index: 2;
}
.btn_read_more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: #6c44fd;
  color: #fff;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  width: fit-content;
}
.btn_read_more:hover {
  background: #10B981;
  color: #fff;
  text-decoration: none;
  transform: translateX(4px);
}

/* ---- Blog Grid ---- */
.blog_grid_section {
  padding: 40px 0 60px;
  background: #f9f8ff;
}
.section_label {
  font-size: 13px;
  font-weight: 600;
  color: #6c44fd;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.section_heading {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
}
.section_heading span { color: #6c44fd; }
.section_subheading {
  color: #888;
  font-size: 15px;
  margin-bottom: 40px;
}
.blog_grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.blog_card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(108, 68, 253, 0.06);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(108, 68, 253, 0.06);
}
.blog_card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(108, 68, 253, 0.14);
}
.blog_card_image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.blog_card_image.cat-energy { background: linear-gradient(135deg, #f0edff, #e8e0ff); }
.blog_card_image.cat-commercial { background: linear-gradient(135deg, #e8f5e9, #d0f0e0); }
.blog_card_image.cat-industrial { background: linear-gradient(135deg, #fff8e1, #ffecb3); }
.blog_card_image.cat-technology { background: linear-gradient(135deg, #e3f2fd, #bbdefb); }
.blog_card_image.cat-policy { background: linear-gradient(135deg, #fce4ec, #f8bbd0); }
.blog_card_image.cat-sustainability { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); }
.blog_card_image.cat-cost { background: linear-gradient(135deg, #fff3e0, #ffe0b2); }

.blog_card_image i {
  font-size: 64px;
  opacity: 0.6;
}
.blog_card_image.cat-energy i { color: #6c44fd; }
.blog_card_image.cat-commercial i { color: #10B981; }
.blog_card_image.cat-industrial i { color: #f59e0b; }
.blog_card_image.cat-technology i { color: #3b82f6; }
.blog_card_image.cat-policy i { color: #ef4444; }
.blog_card_image.cat-sustainability i { color: #10B981; }
.blog_card_image.cat-cost i { color: #f59e0b; }

.blog_card_body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog_card_category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.blog_card_category.cat-energy { background: #f0edff; color: #6c44fd; }
.blog_card_category.cat-commercial { background: #e8f5e9; color: #10B981; }
.blog_card_category.cat-industrial { background: #fff8e1; color: #f59e0b; }
.blog_card_category.cat-technology { background: #e3f2fd; color: #1d4ed8; }
.blog_card_category.cat-policy { background: #fce4ec; color: #dc2626; }
.blog_card_category.cat-sustainability { background: #e8f5e9; color: #059669; }
.blog_card_category.cat-cost { background: #fff3e0; color: #d97706; }

.blog_card_title {
  font-size: 17px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 10px;
  line-height: 1.45;
  flex: 1;
}
.blog_card_title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
.blog_card_title a:hover { color: #6c44fd; }
.blog_card_excerpt {
  font-size: 13px;
  color: #777;
  line-height: 1.65;
  margin-bottom: 18px;
}
.blog_card_footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid #f0edff;
  font-size: 12px;
  color: #aaa;
}
.blog_card_footer .read_more {
  color: #6c44fd;
  font-weight: 600;
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.blog_card_footer .read_more:hover { gap: 8px; }

/* ---- Newsletter Section ---- */
.newsletter_section {
  background: linear-gradient(135deg, #6c44fd, #10B981);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.newsletter_section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.newsletter_content {
  text-align: center;
  position: relative;
  z-index: 2;
  color: #fff;
}
.newsletter_content h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}
.newsletter_content p {
  font-size: 16px;
  opacity: 0.85;
  margin-bottom: 32px;
}
.newsletter_form {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  gap: 0;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.newsletter_form input {
  flex: 1;
  padding: 16px 24px;
  border: none;
  font-size: 15px;
  outline: none;
  font-family: 'Poppins', sans-serif;
}
.newsletter_form button {
  padding: 16px 32px;
  background: #1a1a1a;
  color: #fff;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  transition: background 0.3s;
  white-space: nowrap;
}
.newsletter_form button:hover { background: #333; }

/* ---- Single Blog Post Styles ---- */
.post_hero {
  background: linear-gradient(135deg, #0f0c29, #302b63);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.post_hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108, 68, 253, 0.2) 0%, transparent 70%);
}
.post_hero_inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.post_hero_inner .post_category_tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.post_hero_inner h1 {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 20px;
}
.post_hero_meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  align-items: center;
}
.post_hero_meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---- Post Layout ---- */
.post_layout {
  padding: 60px 0;
  background: #fff;
}
.post_content_col {
  max-width: 760px;
}
.post_sidebar {
  position: sticky;
  top: 90px;
}

/* ---- Table of Contents ---- */
.toc_box {
  background: #f9f8ff;
  border: 1px solid #f0edff;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}
.toc_box h4 {
  font-size: 15px;
  font-weight: 700;
  color: #333;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #f0edff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toc_box h4 i { color: #6c44fd; }
.toc_list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc_list li {
  margin-bottom: 8px;
}
.toc_list li a {
  font-size: 13px;
  color: #666;
  text-decoration: none;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  transition: color 0.2s;
  line-height: 1.45;
}
.toc_list li a::before {
  content: '';
  width: 4px;
  height: 4px;
  background: #6c44fd;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}
.toc_list li a:hover { color: #6c44fd; }

/* ---- App CTA Sidebar ---- */
.sidebar_cta {
  background: linear-gradient(135deg, #6c44fd, #10B981);
  border-radius: 16px;
  padding: 28px 24px;
  color: #fff;
  text-align: center;
  margin-bottom: 24px;
}
.sidebar_cta h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.sidebar_cta p {
  font-size: 13px;
  opacity: 0.85;
  margin-bottom: 20px;
}
.sidebar_cta .btn_white {
  display: block;
  padding: 12px 20px;
  background: #fff;
  color: #6c44fd;
  border-radius: 50px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  margin-bottom: 10px;
  transition: transform 0.2s;
}
.sidebar_cta .btn_white:hover { transform: translateY(-2px); color: #6c44fd; text-decoration: none; }

/* ---- Post Content Typography ---- */
.post_content h2 {
  font-size: 26px;
  font-weight: 700;
  color: #1a1a1a;
  margin-top: 44px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f0edff;
  scroll-margin-top: 80px;
}
.post_content h3 {
  font-size: 20px;
  font-weight: 600;
  color: #333;
  margin-top: 32px;
  margin-bottom: 12px;
  scroll-margin-top: 80px;
}
.post_content h4 {
  font-size: 17px;
  font-weight: 600;
  color: #444;
  margin-top: 24px;
  margin-bottom: 10px;
}
.post_content p {
  font-size: 16px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 20px;
}
.post_content ul, .post_content ol {
  padding-left: 24px;
  margin-bottom: 24px;
}
.post_content li {
  font-size: 16px;
  line-height: 1.75;
  color: #444;
  margin-bottom: 8px;
}
.post_content a {
  color: #6c44fd;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.post_content a:hover { color: #10B981; }
.post_content strong { color: #1a1a1a; }
.post_content blockquote {
  background: #f9f8ff;
  border-left: 4px solid #6c44fd;
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  font-style: italic;
  color: #555;
}
.post_content .highlight_box {
  background: linear-gradient(135deg, #f0edff, #e8f5e9);
  border-radius: 16px;
  padding: 24px;
  margin: 28px 0;
  border: 1px solid rgba(108, 68, 253, 0.1);
}
.post_content .highlight_box h4 {
  color: #6c44fd;
  margin-top: 0;
}
.post_content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}
.post_content table th {
  background: #6c44fd;
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}
.post_content table td {
  padding: 11px 16px;
  border-bottom: 1px solid #f0edff;
  color: #444;
}
.post_content table tr:nth-child(even) td { background: #fafafa; }
.post_content table tr:hover td { background: #f5f3ff; }

/* ---- Key Takeaway Box ---- */
.key_takeaway {
  background: #fff;
  border: 2px solid #10B981;
  border-radius: 16px;
  padding: 24px;
  margin: 32px 0;
  position: relative;
}
.key_takeaway::before {
  content: 'Key Takeaway';
  position: absolute;
  top: -13px;
  left: 20px;
  background: #10B981;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 12px;
  border-radius: 20px;
}
.key_takeaway p { margin: 0; color: #333; }

/* ---- FAQ Section ---- */
.post_faq {
  background: #f9f8ff;
  border-radius: 20px;
  padding: 36px 32px;
  margin-top: 48px;
}
.post_faq h2 {
  font-size: 26px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
  border: none;
}
.post_faq .faq_subtitle {
  color: #888;
  font-size: 15px;
  margin-bottom: 28px;
}
.faq_item {
  background: #fff;
  border-radius: 12px;
  margin-bottom: 12px;
  border: 1px solid #f0edff;
  overflow: hidden;
}
.faq_question {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: #333;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  transition: background 0.2s;
}
.faq_question:hover { background: #f5f3ff; }
.faq_question.open { color: #6c44fd; background: #f5f3ff; }
.faq_question i {
  color: #6c44fd;
  font-size: 16px;
  flex-shrink: 0;
  transition: transform 0.3s;
  margin-top: 2px;
}
.faq_question.open i { transform: rotate(45deg); }
.faq_answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 15px;
  line-height: 1.75;
  color: #555;
}
.faq_answer.open {
  max-height: 400px;
  padding: 0 20px 18px;
}

/* ---- Post CTA ---- */
.post_cta_section {
  background: linear-gradient(135deg, #0f0c29, #302b63);
  border-radius: 24px;
  padding: 48px 40px;
  text-align: center;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}
.post_cta_section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(108,68,253,0.15) 0%, transparent 70%);
}
.post_cta_section h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  border: none;
  position: relative;
  z-index: 2;
}
.post_cta_section p {
  color: rgba(255,255,255,0.75);
  font-size: 16px;
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
}
.post_cta_buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.btn_cta_primary {
  padding: 14px 32px;
  background: #6c44fd;
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.3s;
}
.btn_cta_primary:hover { background: #5535d4; color: #fff; text-decoration: none; }
.btn_cta_secondary {
  padding: 14px 32px;
  background: #10B981;
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.3s;
}
.btn_cta_secondary:hover { background: #059669; color: #fff; text-decoration: none; }

/* ---- Related Posts ---- */
.related_posts {
  padding: 48px 0;
  background: #f9f8ff;
}
.related_posts_grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 28px;
}

/* ---- Post Category Tag (in hero) ---- */
.post_category_tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.post_category_tag.cat-energy { background: rgba(108,68,253,0.2); color: #c5b3ff; }
.post_category_tag.cat-commercial { background: rgba(16,185,129,0.2); color: #34d399; }
.post_category_tag.cat-industrial { background: rgba(245,158,11,0.2); color: #fbbf24; }
.post_category_tag.cat-technology { background: rgba(59,130,246,0.2); color: #93c5fd; }
.post_category_tag.cat-policy { background: rgba(239,68,68,0.2); color: #fca5a5; }
.post_category_tag.cat-sustainability { background: rgba(16,185,129,0.2); color: #34d399; }
.post_category_tag.cat-cost { background: rgba(245,158,11,0.2); color: #fbbf24; }

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .blog_hero_content h1 { font-size: 36px; }
  .featured_post_card { grid-template-columns: 1fr; min-height: auto; }
  .featured_post_image { height: 200px; }
  .featured_post_content { padding: 32px; }
  .blog_grid { grid-template-columns: repeat(2, 1fr); }
  .related_posts_grid { grid-template-columns: repeat(2, 1fr); }
  .post_hero_inner h1 { font-size: 30px; }
}
@media (max-width: 767px) {
  .blog_hero { padding: 60px 0 40px; }
  .blog_stats { gap: 24px; }
  .blog_grid { grid-template-columns: 1fr; }
  .related_posts_grid { grid-template-columns: 1fr; }
  .newsletter_form { flex-direction: column; border-radius: 12px; }
  .newsletter_form input { border-radius: 12px 12px 0 0; }
  .newsletter_form button { border-radius: 0 0 12px 12px; }
  .post_faq { padding: 24px 20px; }
  .post_cta_section { padding: 36px 24px; }
  .post_cta_buttons { flex-direction: column; align-items: center; }
  .blog_stat_item .stat_number { font-size: 24px; }
}