/* ARTICLE HERO */
.article-hero { background: var(--primary-dark); padding: 64px 0 56px; border-bottom: 1px solid var(--border); }
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.article-tag { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.9); padding: 4px 12px; border-radius: 100px; border: 1px solid rgba(255,255,255,0.2); }
.article-reading-time { font-size: 13px; color: rgba(255,255,255,0.5); }
.article-hero h1 { font-size: 48px; font-weight: 800; letter-spacing: -1.2px; line-height: 1.08; color: #fff; margin-bottom: 20px; }
.article-hero h1 em { font-style: normal; color: var(--accent); }
.article-intro { font-size: 18px; color: rgba(255,255,255,0.72); line-height: 1.7; max-width: 740px; margin-bottom: 32px; }
.article-byline { display: flex; align-items: center; gap: 12px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.15); }
.article-byline-avatar { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.12); border: 2px solid rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.article-byline-name { font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.9); }
.article-byline-date { font-size: 12px; color: rgba(255,255,255,0.45); }

/* ARTICLE LAYOUT */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 56px; padding: 56px 0 96px; align-items: start; }

/* ARTICLE BODY */
.article-body h2 { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; line-height: 1.2; color: var(--text); margin: 48px 0 16px; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 20px; font-weight: 800; color: var(--text); margin: 32px 0 12px; }
.article-body p { font-size: 16px; color: var(--text-2); line-height: 1.8; margin-bottom: 20px; }
.article-body p strong { color: var(--text); font-weight: 700; }
.article-body ul, .article-body ol { margin: 0 0 20px 0; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.article-body li { font-size: 16px; color: var(--text-2); line-height: 1.7; padding-left: 24px; position: relative; }
.article-body ul li::before { content: ''; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.article-body ol { counter-reset: list; }
.article-body ol li { counter-increment: list; }
.article-body ol li::before { content: counter(list); position: absolute; left: 0; top: 0; font-size: 13px; font-weight: 800; color: var(--primary); }

/* CALLOUT BOXES */
.callout { border-radius: var(--radius-lg); padding: 24px 28px; margin: 32px 0; }
.callout-primary { background: var(--primary-light); border: 1px solid var(--primary-mid); }
.callout-primary .callout-title { color: var(--primary-dark); }
.callout-accent { background: var(--accent-light); border: 1px solid var(--accent-mid); }
.callout-accent .callout-title { color: #92400E; }
.callout-success { background: var(--success-light); border: 1px solid var(--success-mid); }
.callout-success .callout-title { color: #0F766E; }
.callout-title { font-size: 13px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 10px; }
.callout p { font-size: 15px; line-height: 1.7; margin-bottom: 0; color: var(--text); }
.callout p:not(:last-child) { margin-bottom: 12px; }

/* INLINE CTA */
.inline-cta { background: var(--primary); border-radius: var(--radius-xl); padding: 40px; margin: 48px 0; text-align: center; position: relative; overflow: hidden; }
.inline-cta::before { content:''; position:absolute; top:-60px; right:-40px; width:240px; height:240px; border-radius:50%; background:rgba(255,255,255,.05); }
.inline-cta h3 { font-size: 24px; font-weight: 800; color: #fff; letter-spacing: -0.4px; margin-bottom: 10px; position: relative; z-index: 1; }
.inline-cta p { font-size: 15px; color: rgba(255,255,255,.72); line-height: 1.6; margin-bottom: 24px; position: relative; z-index: 1; }
.inline-cta .btn { position: relative; z-index: 1; }
.inline-cta-note { font-size: 11px; color: rgba(255,255,255,.4); margin-top: 12px !important; position: relative; z-index: 1; }

/* SIDEBAR */
.article-sidebar { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 24px; }
.sidebar-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.sidebar-card-title { font-size: 13px; font-weight: 800; color: var(--text); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.06em; }
.toc-list { display: flex; flex-direction: column; gap: 4px; }
.toc-item { font-size: 13px; color: var(--text-2); text-decoration: none; line-height: 1.4; padding: 6px 10px; border-radius: 8px; transition: background .15s, color .15s; display: block; }
.toc-item:hover { background: var(--primary-light); color: var(--primary); }
.sidebar-cta { background: var(--primary); border-radius: var(--radius-lg); padding: 24px; text-align: center; }
.sidebar-cta h4 { font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 8px; line-height: 1.3; }
.sidebar-cta p { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 18px; line-height: 1.55; }
.sidebar-cta .btn { width: 100%; justify-content: center; font-size: 14px; padding: 12px 20px; }
.sidebar-cta-note { font-size: 11px; color: rgba(255,255,255,.4); margin-top: 10px; }
.related-articles { display: flex; flex-direction: column; gap: 12px; }
.related-article { display: flex; gap: 12px; text-decoration: none; padding: 8px; border-radius: 8px; transition: background .15s; }
.related-article:hover { background: var(--bg); }
.related-article-icon { width: 36px; height: 36px; border-radius: 8px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.related-article-title { font-size: 13px; font-weight: 700; color: var(--text); line-height: 1.35; }
.related-article-meta { font-size: 11px; color: var(--text-3); margin-top: 2px; }

/* Q-CARD SYSTEM (question/answer articles) */
.q-section-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--primary); background: var(--primary-light); border: 1px solid var(--primary-mid); padding: 4px 14px; border-radius: 100px; display: inline-block; margin-bottom: 24px; }
.q-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 16px; }
.q-card:last-of-type { margin-bottom: 0; }
.q-num { font-size: 11px; font-weight: 800; color: var(--primary); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.q-question { font-size: 17px; font-weight: 800; color: var(--text); line-height: 1.35; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.q-intent { font-size: 12px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 6px; }
.q-intent-text { font-size: 14px; color: var(--text-2); line-height: 1.65; margin-bottom: 14px; }
.q-answer-label { font-size: 12px; font-weight: 700; color: var(--success); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 6px; }
.q-answer-text { font-size: 14px; color: var(--text-2); line-height: 1.7; }
.q-answer-text strong { color: var(--text); font-weight: 700; }
.q-divider { height: 1px; background: var(--border); margin: 14px 0; }

/* CODE NOTE */
.code-note { background: #1E1B4B; border-radius: var(--radius); padding: 16px 20px; margin: 12px 0; font-family: 'Courier New', monospace; font-size: 13px; color: #C7D2FE; line-height: 1.6; }

/* COMMON MISTAKES */
.mistake-list { display: flex; flex-direction: column; gap: 12px; margin: 24px 0; }
.mistake-item { display: flex; align-items: flex-start; gap: 12px; padding: 16px 18px; border-radius: var(--radius); background: var(--error-light); border: 1px solid #FED7AA; }
.mistake-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.mistake-text { font-size: 14px; color: #9A3412; line-height: 1.6; }
.mistake-text strong { font-weight: 700; display: block; margin-bottom: 3px; color: #7C2D12; }

/* TIER CARDS (how-much-interview-practice) */
.tier-list { display: flex; flex-direction: column; gap: 16px; margin: 28px 0; }
.tier-card { border-radius: var(--radius-lg); padding: 24px 28px; border: 1.5px solid; }
.tier-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.tier-badge { font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 14px; border-radius: 100px; }
.tier-title { font-size: 17px; font-weight: 800; color: var(--text); }
.tier-body { font-size: 15px; color: var(--text-2); line-height: 1.7; }
.tier-body strong { color: var(--text); font-weight: 700; }
.tier-min { background: #FFF7ED; border-color: #FED7AA; } .tier-min .tier-badge { background: #F97316; color: #fff; }
.tier-good { background: var(--accent-light); border-color: var(--accent-mid); } .tier-good .tier-badge { background: var(--accent); color: #fff; }
.tier-strong { background: var(--success-light); border-color: var(--success-mid); } .tier-strong .tier-badge { background: var(--success); color: #fff; }

/* COUNT BREAKDOWN (how-much-interview-practice) */
.count-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0; }
.count-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; text-align: center; }
.count-num { font-size: 40px; font-weight: 800; letter-spacing: -2px; color: var(--primary); line-height: 1; }
.count-label { font-size: 13px; font-weight: 700; color: var(--text); margin: 8px 0 6px; }
.count-desc { font-size: 12px; color: var(--text-3); line-height: 1.55; }

/* MECHANISM CARDS (why-you-blank-in-interviews) */
.mechanism-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 32px 0; }
.mechanism-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.mechanism-icon { font-size: 28px; margin-bottom: 12px; }
.mechanism-title { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.mechanism-body { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* FIX CARDS (why-you-blank-in-interviews) */
.fix-list { display: flex; flex-direction: column; gap: 16px; margin: 28px 0; }
.fix-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; display: flex; gap: 18px; }
.fix-num { font-size: 13px; font-weight: 800; color: #fff; background: var(--primary); width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.fix-title { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.fix-body { font-size: 14px; color: var(--text-2); line-height: 1.7; }
.fix-body strong { color: var(--text); font-weight: 700; }

/* SCENARIO BLOCK (why-you-blank-in-interviews) */
.scenario { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; margin: 32px 0; }
.scenario-label { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 16px; }
.scenario-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.scenario-col-label { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.scenario-bad .scenario-col-label { color: #EF4444; }
.scenario-good .scenario-col-label { color: var(--success); }
.scenario-text { font-size: 14px; color: var(--text-2); line-height: 1.7; padding: 14px 16px; border-radius: var(--radius); }
.scenario-bad .scenario-text { background: #FEF2F2; border: 1px solid #FECACA; }
.scenario-good .scenario-text { background: var(--success-light); border: 1px solid var(--success-mid); }

/* SETUP CHECKLIST (video-interview-tips) */
.checklist { display: flex; flex-direction: column; gap: 10px; margin: 24px 0; }
.check-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px 18px; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); }
.check-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.check-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.check-body { font-size: 13px; color: var(--text-2); line-height: 1.6; }
.check-body strong { color: var(--text); font-weight: 700; }

/* FORMAT COMPARISON (video-interview-tips) */
.format-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
.format-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.format-title { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.format-sub { font-size: 11px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 14px; }
.format-body { font-size: 13px; color: var(--text-2); line-height: 1.65; }
.format-body strong { color: var(--text); font-weight: 700; }

/* STAR LETTER CARDS (star-method-interview) */
.star-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 32px 0; }
.star-card { border-radius: var(--radius-lg); padding: 24px; border: 1px solid var(--border); background: var(--white); }
.star-letter { font-size: 36px; font-weight: 800; letter-spacing: -1px; margin-bottom: 8px; }
.star-card-title { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.star-card p { font-size: 14px; color: var(--text-2); line-height: 1.65; margin-bottom: 0; }

/* EXAMPLE BLOCK (star-method-interview) */
.example-block { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; margin: 32px 0; }
.example-label { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 8px; }
.example-question { font-size: 15px; font-weight: 700; color: var(--text); padding: 14px 16px; background: var(--white); border-radius: var(--radius); border-left: 3px solid var(--primary); margin-bottom: 20px; line-height: 1.45; }
.example-parts { display: flex; flex-direction: column; gap: 12px; }
.example-part { display: flex; gap: 14px; }
.example-part-letter { font-size: 13px; font-weight: 800; color: var(--white); width: 26px; height: 26px; border-radius: 6px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }
.ltr-s { background: #4F46E5; } .ltr-t { background: #7C3AED; } .ltr-a { background: #0891B2; } .ltr-r { background: #0F766E; }
.example-part-label { font-size: 11px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.example-part-text { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* FORMULA BLOCK (how-to-answer-tell-me-about-yourself) */
.formula { margin: 32px 0; }
.formula-label { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 20px; }
.formula-step-card { border-radius: var(--radius-lg); padding: 24px 28px; margin-bottom: 20px; border: 1.5px solid; }
.formula-step-past { background: #EEF2FF; border-color: var(--primary-mid); }
.formula-step-present { background: #F0FDFA; border-color: var(--success-mid); }
.formula-step-future { background: #FFFBEB; border-color: var(--accent-mid); }
.formula-step-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.formula-step-badge { font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 14px; border-radius: 100px; }
.formula-step-badge-past { background: var(--primary); color: #fff; }
.formula-step-badge-present { background: var(--success); color: #fff; }
.formula-step-badge-future { background: var(--accent); color: #fff; }
.formula-step-title { font-size: 16px; font-weight: 800; color: var(--text); }
.formula-step-body { font-size: 15px; color: var(--text-2); line-height: 1.7; }
.formula-step-body strong { color: var(--text); font-weight: 700; }
.example-box { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px 28px; margin: 24px 0; }
.example-box-label { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 12px; }
.example-box-content { font-size: 15px; color: var(--text-2); line-height: 1.8; }
.example-box-content em { color: var(--primary); font-style: normal; font-weight: 700; }

/* PROCESS STEPS (big-four-graduate-interview) */
.process-steps { display: flex; flex-direction: column; gap: 0; margin: 32px 0; }
.process-step { display: flex; gap: 20px; padding-bottom: 28px; position: relative; }
.process-step:not(:last-child)::after { content: ''; position: absolute; left: 19px; top: 44px; bottom: 0; width: 2px; background: var(--border); }
.process-step-num { width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; position: relative; z-index: 1; }
.process-step-content { flex: 1; padding-top: 8px; }
.process-step-title { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.process-step-body { font-size: 14px; color: var(--text-2); line-height: 1.7; }
.process-step-body strong { color: var(--text); font-weight: 700; }

/* FIRM CARDS (big-four-graduate-interview) */
.firm-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 28px 0; }
.firm-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.firm-name { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.firm-focus { font-size: 12px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.firm-body { font-size: 13px; color: var(--text-2); line-height: 1.65; }

@media (max-width: 960px) {
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { position: static; }
  .article-hero h1 { font-size: 36px; }
  .mechanism-grid { grid-template-columns: 1fr; }
  .scenario-cols { grid-template-columns: 1fr; }
  .star-grid { grid-template-columns: 1fr; }
  .firm-grid { grid-template-columns: 1fr; }
  .count-grid { grid-template-columns: 1fr; }
  .format-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .article-hero h1 { font-size: 28px; }
  .article-intro { font-size: 16px; }
  .inline-cta { padding: 28px 20px; }
  .inline-cta h3 { font-size: 20px; }
  .fix-card { flex-direction: column; gap: 12px; }
  .tier-card-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}