/* ===== LIVE INTERVIEW HELP: BLOG STYLES ===== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --purple-bg: #f5f3ff;
  --dark: #0f0f1f;
  --text: #1a1a2e;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f9f9fc;
  --white: #ffffff;
}

html { font-size: 18px; scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.blog-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
}
.blog-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
  gap: 16px;
}
.blog-nav-logo {
  font-size: 17px;
  font-weight: 800;
  color: var(--dark);
  text-decoration: none;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.blog-nav-logo span { color: var(--purple); }
.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}
.blog-nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
}
.blog-nav-links a:hover { color: var(--text); }
.blog-nav-cta {
  background: var(--purple);
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px !important;
  font-weight: 600 !important;
  white-space: nowrap;
  text-decoration: none;
  transition: opacity 0.15s;
}
.blog-nav-cta:hover { opacity: 0.9; color: var(--white) !important; }

/* ── BREADCRUMB ── */
.breadcrumb {
  max-width: 760px;
  margin: 20px auto 0;
  padding: 0 24px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--purple); }
.breadcrumb-sep { color: #d1d5db; }
.breadcrumb-current { color: var(--text); }

/* ── ARTICLE LAYOUT ── */
.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ── ARTICLE HEADER ── */
.article-header { margin-bottom: 36px; }
.article-category {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 14px;
}
.article-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}
.article-meta {
  font-size: 14px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.article-meta-dot { color: #d1d5db; }

/* ── TOC ── */
.toc {
  background: var(--purple-bg);
  border: 1px solid rgba(124,58,237,0.15);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 36px;
  font-size: 15px;
}
.toc-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 12px;
}
.toc ol { padding-left: 18px; }
.toc li { margin-bottom: 6px; line-height: 1.4; }
.toc a { color: var(--text); text-decoration: none; font-weight: 500; }
.toc a:hover { color: var(--purple); }

/* ── ARTICLE BODY ── */
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--dark);
  margin-top: 44px;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
  line-height: 1.2;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--dark);
  margin-top: 32px;
  margin-bottom: 12px;
}
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol {
  padding-left: 22px;
  margin-bottom: 20px;
}
.article-body li { margin-bottom: 8px; }
.article-body strong { font-weight: 700; color: var(--dark); }
.article-body a { color: var(--purple); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { opacity: 0.8; }
.article-body blockquote {
  border-left: 4px solid var(--purple);
  background: var(--purple-bg);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-style: italic;
  color: #374151;
}
.article-body blockquote p { margin-bottom: 0; }

/* ── HIGHLIGHT BOX ── */
.highlight-box {
  background: var(--purple-bg);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: 10px;
  padding: 20px 24px;
  margin: 28px 0;
}
.highlight-box-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 10px;
}

/* ── SAMPLE ANSWER ── */
.sample-answer {
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: 10px;
  padding: 20px 24px;
  margin: 28px 0;
}
.sample-answer-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #16a34a;
  margin-bottom: 10px;
}
.sample-answer p { margin-bottom: 8px; }
.sample-answer p:last-child { margin-bottom: 0; }

/* ── CTA BOX ── */
.cta-box {
  background: var(--dark);
  border: 1px solid rgba(124,58,237,0.4);
  border-radius: 12px;
  padding: 28px 32px;
  margin: 40px 0;
  text-align: center;
}
.cta-box-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.cta-box-body {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 22px;
  line-height: 1.6;
}
.cta-box-btn,
.article-body .cta-box-btn {
  display: inline-block;
  background: var(--purple);
  color: var(--white) !important;
  text-decoration: none !important;
  font-size: 15px;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 9px;
  transition: opacity 0.15s;
}
.cta-box-btn:hover,
.article-body .cta-box-btn:hover { opacity: 0.9; color: var(--white) !important; }

/* ── FAQ ── */
.faq-section { margin-top: 48px; }
.faq-section h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 24px;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-q {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
}
.faq-a { color: #374151; font-size: 16px; line-height: 1.7; }

/* ── RELATED ARTICLES ── */
.related-section { margin-top: 56px; }
.related-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.related-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  text-decoration: none;
  transition: border-color 0.15s;
}
.related-card:hover { border-color: var(--purple); }
.related-card-cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 8px;
}
.related-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.3;
}

/* ── BLOG INDEX ── */
.blog-hero {
  background: var(--dark);
  padding: 64px 24px 56px;
  text-align: center;
}
.blog-hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.blog-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.6);
  max-width: 560px;
  margin: 0 auto;
}
.blog-index-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.blog-category-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--purple-bg);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.blog-card:hover {
  border-color: var(--purple);
  box-shadow: 0 4px 20px rgba(124,58,237,0.08);
}
.blog-card-cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 10px;
}
.blog-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 10px;
}
.blog-card-excerpt {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}
.blog-card-read {
  font-size: 13px;
  font-weight: 600;
  color: var(--purple);
}

/* ── FOOTER ── */
.blog-footer {
  background: var(--dark);
  padding: 32px 24px;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}
.blog-footer a { color: rgba(255,255,255,0.5); text-decoration: none; margin: 0 12px; }
.blog-footer a:hover { color: rgba(255,255,255,0.8); }
.blog-footer-links { margin-bottom: 12px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .blog-grid, .related-grid { grid-template-columns: 1fr; }
  .article-body h2 { font-size: 22px; }
  .blog-nav-links { display: none; }
  .cta-box { padding: 22px 20px; }
  .cta-box-title { font-size: 18px; }
}
@media (max-width: 480px) {
  .article-wrap { padding: 24px 16px 60px; }
  .blog-hero { padding: 44px 16px 40px; }
}