/* ============================================
   KASAUTI JOURNAL — Blog Stylesheet
   kasauti.in/blog/assets/blog.css
   ============================================ */

/* --- Fonts loaded via <link> in HTML <head> for reliability --- */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161e;
  --bg-card-hover: #1c1c26;
  --text-primary: #e8e6e3;
  --text-secondary: #9a9a9a;
  --text-muted: #666;
  --border: #2a2a35;
  --border-subtle: #1e1e28;

  /* Category tag colours */
  --tag-weekly: #22c55e;
  --tag-methodology: #ef4444;
  --tag-tutorial: #a855f7;
  --tag-deep-dive: #3b82f6;
  --tag-hindi: #f97316;

  /* Accent */
  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --cta-bg: #f59e0b;
  --cta-text: #0a0a0f;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-hindi: 'Noto Sans Devanagari', sans-serif;

  /* Layout */
  --max-width-content: 800px;
  --max-width-page: 1100px;
  --header-height: 64px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; display: block; }

/* --- Header / Navigation --- */
.blog-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-height);
}

.blog-header-inner {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
}

.blog-brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.blog-brand-sub {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.blog-header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg-secondary);
  border-radius: 6px;
  padding: 2px;
  border: 1px solid var(--border);
}

.lang-toggle a {
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 4px;
  transition: all 0.2s;
}

.lang-toggle a.active {
  background: var(--bg-card);
  color: var(--text-primary);
}

.lang-toggle a:hover { color: var(--text-primary); }

.header-cta {
  background: var(--cta-bg);
  color: var(--cta-text);
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.header-cta:hover { opacity: 0.88; color: var(--cta-text); }

/* --- Category Tabs --- */
.category-tabs {
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-primary);
}

.category-tabs-inner {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.category-tabs-inner::-webkit-scrollbar { display: none; }

.cat-tab {
  padding: 12px 18px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-body);
}

.cat-tab:hover { color: var(--text-primary); }
.cat-tab.active { color: var(--text-primary); border-bottom-color: var(--accent); }

/* --- Blog Index / Post Grid --- */
.blog-main {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.blog-hero {
  margin-bottom: 48px;
}

.blog-hero h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.blog-hero p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

/* --- Post Card --- */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
  display: flex;
  flex-direction: column;
}

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

.post-card a { color: inherit; text-decoration: none; }

.post-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--bg-secondary);
}

.post-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.post-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-tag.weekly     { background: rgba(34,197,94,0.15);  color: var(--tag-weekly); }
.post-tag.methodology { background: rgba(239,68,68,0.15); color: var(--tag-methodology); }
.post-tag.tutorial   { background: rgba(168,85,247,0.15); color: var(--tag-tutorial); }
.post-tag.deep-dive  { background: rgba(59,130,246,0.15); color: var(--tag-deep-dive); }
.post-tag.hindi      { background: rgba(249,115,22,0.15); color: var(--tag-hindi); }

.post-card-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.post-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.post-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.post-read-time {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.post-read-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

/* =============================================
   POST PAGE STYLES
   ============================================= */

/* --- Article Header --- */
.post-header {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 48px 24px 0;
}

.post-header .post-tag { margin-bottom: 16px; }

.post-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.post-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.post-meta-bar span { display: flex; align-items: center; gap: 4px; }

.post-meta-divider { color: var(--border); }

/* --- Article Body --- */
.post-body {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 36px 24px;
}

.post-body h2 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  color: var(--text-primary);
  margin: 40px 0 16px;
  line-height: 1.25;
}

.post-body h3 {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 32px 0 12px;
}

.post-body p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.post-body ul, .post-body ol {
  margin: 0 0 20px 24px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.post-body li { margin-bottom: 6px; }

.post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--bg-secondary);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--text-secondary);
}

.post-body code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
  color: var(--accent);
}

.post-body img {
  border-radius: 8px;
  margin: 24px 0;
  border: 1px solid var(--border-subtle);
}

.post-body strong { color: #fff; font-weight: 600; }

/* Methodology checklist boxes */
.criteria-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 24px 0;
}

.criteria-box h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 12px;
}

.criteria-box ol {
  margin: 0 0 0 20px;
  font-size: 0.95rem;
}

.criteria-box li {
  margin-bottom: 4px;
  color: var(--text-primary);
}

/* Key insight callout */
.insight-callout {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 28px 0;
}

.insight-callout p { margin-bottom: 0; font-size: 1rem; }
.insight-callout strong { color: var(--accent); }

/* --- Ad Slots --- */
.ad-slot {
  max-width: var(--max-width-content);
  margin: 32px auto;
  padding: 0 24px;
}

.ad-slot-inner {
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  position: relative;
}

.ad-slot-label {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Social Share Bar --- */
.share-bar {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 24px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.share-bar-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 4px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all 0.2s;
  cursor: pointer;
}

.share-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

/* --- CTA Strip --- */
.cta-strip {
  max-width: var(--max-width-content);
  margin: 0 auto 40px;
  padding: 0 24px;
}

.cta-strip-inner {
  background: linear-gradient(135deg, rgba(245,158,11,0.12) 0%, rgba(245,158,11,0.04) 100%);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 10px;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cta-strip-text h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cta-strip-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.cta-strip-btn {
  background: var(--cta-bg);
  color: var(--cta-text);
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.cta-strip-btn:hover { opacity: 0.88; color: var(--cta-text); }

/* --- Related Posts --- */
.related-posts {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: 0 24px 60px;
}

.related-posts h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.related-posts .post-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* --- Disclaimer --- */
.disclaimer {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Footer --- */
.blog-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 32px 24px;
  text-align: center;
}

.blog-footer-inner {
  max-width: var(--max-width-page);
  margin: 0 auto;
}

.blog-footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.blog-footer a { color: var(--text-secondary); }
.blog-footer a:hover { color: var(--accent); }

/* --- Hindi-specific --- */
[lang="hi"] .post-body,
[lang="hi"] .post-title,
[lang="hi"] .post-subtitle,
.hindi-text {
  font-family: var(--font-hindi), var(--font-body);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .blog-hero h1 { font-size: 1.7rem; }
  .post-title { font-size: 1.85rem; }
  .post-grid { grid-template-columns: 1fr; gap: 20px; }

  .cta-strip-inner {
    flex-direction: column;
    text-align: center;
  }

  .post-meta-bar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .blog-header-inner { padding: 0 16px; }
  .category-tabs-inner { padding: 0 16px; }
  .post-header { padding: 32px 16px 0; }
  .post-body { padding: 28px 16px; }
  .share-bar { padding: 0 16px 24px; }
  .cta-strip { padding: 0 16px; }
  .blog-main { padding: 28px 16px 60px; }

  .header-cta { display: none; }
}

@media (max-width: 480px) {
  .post-title { font-size: 1.55rem; }
  .blog-brand-sub { display: none; }
  .cat-tab { padding: 10px 12px; font-size: 0.8rem; }
}