/* =========================================================================
   InstantFiles Blog & Knowledge Base Styles (instantfiles.in)
   ========================================================================= */

/* Blog Hero */
.blog-hero {
  padding: 60px 0 40px;
  text-align: center;
}

.blog-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--accent-tint);
  color: var(--accent);
  margin-bottom: 16px;
}

.blog-hero h1 {
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 auto 16px;
  max-width: 800px;
  color: var(--ink);
}

.blog-hero p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* Blog Index Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin: 40px 0 80px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 14px;
}

.blog-card__tag {
  font-weight: 700;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--accent-tint);
  color: var(--accent);
}

.blog-card__title {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 12px;
  color: var(--ink);
}

.blog-card__excerpt {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-muted);
  flex-grow: 1;
  margin: 0 0 20px;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.blog-card__footer svg {
  width: 16px;
  height: 16px;
  transition: transform .2s var(--ease);
}

.blog-card:hover .blog-card__footer svg {
  transform: translateX(4px);
}

/* Article Page Layout */
.article-page {
  padding: 40px 0 80px;
}

.article-container {
  max-width: 820px;
  margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--ink-muted);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb span.current {
  color: var(--ink);
  font-weight: 600;
}

/* Article Header */
.article-header {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 28px;
}

.article-header h1 {
  font-size: clamp(30px, 4.5vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 16px;
  color: var(--ink);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--ink-muted);
  flex-wrap: wrap;
}

.article-meta__author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--ink);
}

.article-meta__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ink-faint);
}

/* Quick Answer / Summary Callout */
.quick-answer {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 28px 0;
}

.quick-answer h4 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-answer p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
}

/* Table of Contents */
.toc-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
}

.toc-box__title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toc-box a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s var(--ease);
}

.toc-box a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Article Body Typography */
.article-body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

.article-body h2 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  margin: 44px 0 16px;
  color: var(--ink);
  scroll-margin-top: 100px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  margin: 28px 0 12px;
  color: var(--ink);
  scroll-margin-top: 100px;
}

.article-body p {
  margin: 0 0 20px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body strong {
  color: var(--ink);
  font-weight: 700;
}

/* Steps Box */
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 24px 0;
  position: relative;
}

.step-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 12px;
}

.step-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink);
}

.step-card p {
  margin: 0;
  font-size: 15.5px;
  color: var(--ink-muted);
}

/* Tool CTA Box */
.tool-cta {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(133, 131, 245, 0.12) 100%);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  margin: 48px 0;
}

.tool-cta h3 {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--ink);
}

.tool-cta p {
  font-size: 16px;
  color: var(--ink-muted);
  max-width: 540px;
  margin: 0 auto 20px;
}

.tool-cta .cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.tool-cta .cta-btn:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
}

/* FAQ Section within Article */
.article-faqs {
  margin: 48px 0;
}

.article-faqs h2 {
  border-bottom: none;
  margin-bottom: 24px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 14px;
}

.faq-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink);
}

.faq-item p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* Author Box (E-E-A-T) */
.author-box {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 48px 0;
}

.author-box__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 22px;
  color: var(--accent);
  flex-shrink: 0;
}

.author-box__content h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
}

.author-box__content p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* Related Guides */
.related-guides {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.related-guides h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 20px;
  color: var(--ink);
}

.related-guides__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.related-guide-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.related-guide-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.related-guide-card h5 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ink);
  line-height: 1.4;
}

.related-guide-card span {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}