/* Blog CSS — VANTT Marketing */
/* /blog/assets/blog.css */


    /* No custom header styles needed - uses default behavior from main.css */

    /* Reading Progress Bar */
    .reading-progress {
      position: fixed;
      top: 0;
      left: 0;
      width: 0%;
      height: 4px;
      background: linear-gradient(90deg, var(--orange), #ff8a5c);
      z-index: 9999;
      transition: width 0.1s ease-out;
    }

    /* Article Hero */
    .article-hero {
      background: linear-gradient(135deg, var(--navy-dark) 0%, #1a2f4a 100%);
      padding: 160px 0 80px;
      position: relative;
      overflow: hidden;
    }
    .article-hero::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(232, 93, 38, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .article-hero__breadcrumb {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.875rem;
      color: rgba(255,255,255,0.6);
      margin-bottom: 1.5rem;
    }
    .article-hero__breadcrumb a {
      color: rgba(255,255,255,0.6);
      transition: color 0.2s;
    }
    .article-hero__breadcrumb a:hover {
      color: var(--orange);
    }
    .article-hero__title {
      font-size: clamp(2rem, 5vw, 3.5rem);
      line-height: 1.15;
      color: white;
      margin-bottom: 1.5rem;
      max-width: 900px;
    }
    .article-hero__excerpt {
      font-size: 1.25rem;
      color: rgba(255,255,255,0.8);
      line-height: 1.6;
      max-width: 700px;
      margin-bottom: 2rem;
    }
    .article-hero__meta {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      align-items: center;
      color: rgba(255,255,255,0.7);
      font-size: 0.9rem;
    }
    .article-hero__meta-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .article-hero__meta svg {
      width: 18px;
      height: 18px;
      opacity: 0.7;
    }

    /* Share Buttons */
    .share-buttons {
      display: flex;
      gap: 0.75rem;
      margin-left: auto;
    }
    .share-btn {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255,255,255,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
      cursor: pointer;
    }
    .share-btn:hover {
      background: var(--orange);
      transform: translateY(-3px);
    }
    .share-btn svg {
      width: 18px;
      height: 18px;
      fill: white;
    }
    button.share-btn {
      border: none;
      cursor: pointer;
    }
    button.share-btn svg {
      fill: none;
      stroke: white;
    }

    /* Article Content */
    .article {
      max-width: 800px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }
    .article__content {
      font-size: 1.125rem;
      line-height: 1.8;
      color: var(--gray-700);
      padding-top: 3rem;
    }
    .article__content h2 {
      font-size: 1.75rem;
      margin: 3rem 0 1.5rem;
      color: var(--gray-900);
      scroll-margin-top: 100px;
    }
    .article__content h3 {
      font-size: 1.375rem;
      margin: 2rem 0 1rem;
      color: var(--gray-800);
    }
    .article__content p {
      margin-bottom: 1.5rem;
    }
    .article__content ul, .article__content ol {
      margin-bottom: 1.5rem;
      padding-left: 1.5rem;
    }
    .article__content li {
      margin-bottom: 0.75rem;
    }
    .article__content strong {
      color: var(--gray-900);
    }

    /* Highlight Box with animation */
    .highlight-box {
      background: linear-gradient(135deg, #fff8f5 0%, #fff 100%);
      border-left: 4px solid var(--orange);
      padding: 1.5rem 1.5rem 1.5rem 2rem;
      margin: 2rem 0;
      border-radius: 0 12px 12px 0;
      position: relative;
      opacity: 0;
      transform: translateX(-20px);
      transition: all 0.6s ease;
    }
    .highlight-box.visible {
      opacity: 1;
      transform: translateX(0);
    }
    .highlight-box::before {
      content: '💡';
      position: absolute;
      top: -12px;
      left: 12px;
      font-size: 1.5rem;
    }
    .highlight-box p:last-child {
      margin-bottom: 0;
    }

    /* Stat Box with counter animation */
    .stat-box {
      background: linear-gradient(135deg, var(--orange), #ff6b3d);
      color: white;
      padding: 2.5rem 2rem;
      border-radius: 16px;
      margin: 2.5rem 0;
      text-align: center;
      position: relative;
      overflow: hidden;
      opacity: 0;
      transform: scale(0.95);
      transition: all 0.6s ease;
    }
    .stat-box.visible {
      opacity: 1;
      transform: scale(1);
    }
    .stat-box::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
      animation: shimmer 3s infinite;
    }
    @keyframes shimmer {
      0%, 100% { transform: translate(0, 0); }
      50% { transform: translate(25%, 25%); }
    }
    .stat-box__number {
      font-size: 4rem;
      font-weight: 800;
      display: block;
      position: relative;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    }
    .stat-box__text {
      font-size: 1rem;
      opacity: 0.95;
      position: relative;
      margin-top: 0.5rem;
    }

    /* TOC with better styling */
    .toc {
      background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
      padding: 2rem 2.5rem;
      border-radius: 16px;
      margin: 2rem 0 3rem;
      border: 1px solid var(--gray-200);
      position: relative;
    }
    .toc__title {
      font-weight: 700;
      margin-bottom: 1.25rem;
      font-size: 1.1rem;
      color: var(--gray-900);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .toc__title::before {
      content: '📋';
    }
    .toc__list {
      list-style: none;
      padding: 0;
      margin: 0;
      counter-reset: toc-counter;
    }
    .toc__list li {
      margin-bottom: 0.75rem;
      counter-increment: toc-counter;
    }
    .toc__list a {
      color: var(--gray-600);
      text-decoration: none;
      font-size: 0.95rem;
      transition: all 0.2s;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.5rem 0.75rem;
      border-radius: 8px;
    }
    .toc__list a::before {
      content: counter(toc-counter);
      width: 24px;
      height: 24px;
      background: var(--gray-200);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--gray-600);
      transition: all 0.2s;
    }
    .toc__list a:hover {
      color: var(--orange);
      background: rgba(232, 93, 38, 0.05);
    }
    .toc__list a:hover::before {
      background: var(--orange);
      color: white;
    }
    .toc__list a.active {
      color: var(--orange);
      font-weight: 600;
    }
    .toc__list a.active::before {
      background: var(--orange);
      color: white;
    }

    /* FAQ Accordion */
    .faq-section {
      margin-top: 4rem;
      padding-top: 3rem;
      border-top: 1px solid var(--gray-200);
    }
    .faq-item {
      margin-bottom: 1rem;
      border: 1px solid var(--gray-200);
      border-radius: 12px;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .faq-item:hover {
      border-color: var(--orange);
    }
    .faq-item__question {
      width: 100%;
      padding: 1.25rem 1.5rem;
      background: white;
      border: none;
      text-align: left;
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--gray-800);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      transition: all 0.3s ease;
    }
    .faq-item__question:hover {
      background: #fafafa;
    }
    .faq-item__icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--gray-100);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
      flex-shrink: 0;
    }
    .faq-item__icon svg {
      width: 12px;
      height: 12px;
      stroke: var(--gray-600);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-item__icon {
      background: var(--orange);
    }
    .faq-item.active .faq-item__icon svg {
      stroke: white;
      transform: rotate(180deg);
    }
    .faq-item__answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s ease;
    }
    .faq-item.active .faq-item__answer {
      max-height: 500px;
    }
    .faq-item__answer-inner {
      padding: 0 1.5rem 1.5rem;
      color: var(--gray-600);
      line-height: 1.7;
    }

    /* CTA Box */
    .article__cta {
      background: linear-gradient(135deg, var(--navy-dark) 0%, #1a2f4a 100%);
      color: white;
      padding: 3.5rem;
      border-radius: 20px;
      text-align: center;
      margin: 4rem 0;
      position: relative;
      overflow: hidden;
    }
    .article__cta::before {
      content: '';
      position: absolute;
      top: -100px;
      right: -100px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(232, 93, 38, 0.3) 0%, transparent 70%);
    }
    .article__cta h3 {
      color: white;
      font-size: 1.75rem;
      margin-bottom: 1rem;
      position: relative;
    }
    .article__cta p {
      color: rgba(255,255,255,0.8);
      margin-bottom: 2rem;
      font-size: 1.1rem;
      position: relative;
    }
    .article__cta .btn {
      position: relative;
    }

    /* Back to Top */
    .back-to-top {
      position: fixed;
      bottom: 100px;
      right: 2rem;
      width: 48px;
      height: 48px;
      background: var(--navy-dark);
      color: white;
      border: none;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      visibility: hidden;
      transform: translateY(20px);
      transition: all 0.3s ease;
      z-index: 100;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }
    .back-to-top.visible {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .back-to-top:hover {
      background: var(--orange);
      transform: translateY(-3px);
    }
    .back-to-top svg {
      width: 20px;
      height: 20px;
      stroke: currentColor;
      stroke-width: 2;
      fill: none;
    }

    /* Reading time icon */
    .reading-time {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }

    /* Animations on scroll */
    .animate-on-scroll {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.6s ease;
    }
    .animate-on-scroll.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* Mobile adjustments */
    @media (max-width: 768px) {
      .article-hero {
        padding: 140px 0 60px;
      }
      .article-hero__title {
        font-size: 1.75rem;
      }
      .article-hero__excerpt {
        font-size: 1.1rem;
      }
      .article-hero__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
      }
      .share-buttons {
        margin-left: 0;
      }
      .stat-box__number {
        font-size: 3rem;
      }
      .article__cta {
        padding: 2rem;
      }
    }
  
    /* Checklist styling */
    .checklist {
      list-style: none;
      padding: 0;
      margin: 1.5rem 0;
    }
    .checklist li {
      position: relative;
      padding: 0.75rem 0 0.75rem 2rem;
      border-bottom: 1px solid var(--gray-200, #e8eaed);
      line-height: 1.6;
    }
    .checklist li:last-child {
      border-bottom: none;
    }
    .checklist li::before {
      content: '✓';
      position: absolute;
      left: 0;
      top: 0.75rem;
      color: var(--orange);
      font-weight: 700;
      font-size: 1.1rem;
    }

    /* Alert Box styling */
    .alert-box {
      background: #fff8f0;
      border: 1px solid var(--orange);
      border-radius: 12px;
      padding: 1.5rem 1.5rem 1.5rem 2rem;
      margin: 2rem 0;
      position: relative;
    }
    .alert-box::before {
      content: '⚠';
      position: absolute;
      top: -12px;
      left: 12px;
      font-size: 1.5rem;
      background: #fff8f0;
      padding: 0 4px;
    }
    .alert-box p:last-child {
      margin-bottom: 0;
    }
