:root {
    --wh-bg-dark: #080c14;
    --wh-bg-surface: #0f172a;
    --wh-text-primary: #f8fafc;
    --wh-text-secondary: #94a3b8;
    --wh-primary-green: #10b981; /* 에메랄드 */
    --wh-primary-hover: #059669;
    --wh-border-dark: #1e293b;
    --wh-cyan-tag: #06b6d4;
    --wh-amber-tag: #f59e0b;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Pretendard', sans-serif; }
body { background-color: var(--wh-bg-dark); color: var(--wh-text-primary); line-height: 1.6; }

/* Header */
.wh-top-header { background: #080c14; border-bottom: 1px solid var(--wh-border-dark); position: sticky; top: 0; z-index: 50; }
.wh-nav-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 70px; display: flex; align-items: center; justify-content: space-between; }
.wh-brand-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: #ffffff; font-size: 1.25rem; font-weight: 800; }
.wh-radar-dot { width: 10px; height: 10px; background: var(--wh-primary-green); border-radius: 50%; box-shadow: 0 0 10px var(--wh-primary-green); }
.wh-audit-badge { background: #064e3b; color: #6ee7b7; font-size: 0.72rem; font-weight: 800; padding: 3px 8px; border-radius: 4px; border: 1px solid rgba(16, 185, 129, 0.4); }
.wh-main-nav .wh-nav-menu { display: flex; list-style: none; gap: 24px; }
.wh-nav-item { color: #94a3b8; text-decoration: none; font-weight: 600; font-size: 0.95rem; transition: color 0.2s; }
.wh-nav-item:hover, .wh-nav-item.active { color: var(--wh-primary-green); }

/* Hero */
.wh-hero-stage { background: radial-gradient(circle at 50% 0%, #064e3b 0%, #080c14 80%); padding: 55px 20px 45px; text-align: center; border-bottom: 1px solid var(--wh-border-dark); }
.wh-hero-wrap { max-width: 860px; margin: 0 auto; }
.wh-pill-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.4); color: #6ee7b7; padding: 4px 14px; border-radius: 20px; font-size: 0.82rem; font-weight: 800; margin-bottom: 16px; }
.wh-hero-title { font-size: 2.25rem; font-weight: 900; line-height: 1.3; margin-bottom: 12px; letter-spacing: -0.5px; background: linear-gradient(to right, #ffffff, #a7f3d0); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.wh-hero-desc { font-size: 1rem; color: #94a3b8; line-height: 1.6; }

/* Main Stage */
.wh-content-stage { min-height: calc(100vh - 350px); }
.wh-body-container { max-width: 1200px; margin: 0 auto; padding: 40px 20px 60px; }
.wh-section-title-box { margin-bottom: 24px; }
.wh-section-title-box h2 { font-size: 1.45rem; font-weight: 800; color: #ffffff; letter-spacing: -0.5px; }
.wh-section-title-box p { color: var(--wh-text-secondary); font-size: 0.92rem; margin-top: 4px; }

/* 🌟 완전히 새로운 UI: 보안 감사 보고서 노드 그리드 (2열) 🌟 */
.wh-audit-ledger-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 50px; }
.wh-inspect-node { background: var(--wh-bg-surface); border: 1px solid var(--wh-border-dark); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; gap: 14px; transition: border-color 0.2s, transform 0.2s; }
.wh-inspect-node:hover { border-color: var(--wh-primary-green); transform: translateY(-2px); }

.wh-node-header { display: flex; justify-content: space-between; align-items: center; }
.wh-rank-pill { font-size: 0.82rem; font-weight: 900; padding: 3px 8px; border-radius: 4px; background: #1e293b; color: #94a3b8; }
.wh-rank-pill.top-1 { background: var(--wh-primary-green); color: #000; }
.wh-rank-pill.top-2 { background: var(--wh-cyan-tag); color: #000; }
.wh-rank-pill.top-3 { background: #3b82f6; color: #fff; }
.wh-grade-tag { font-size: 0.75rem; font-weight: 800; color: #6ee7b7; background: #032e23; border: 1px solid rgba(16, 185, 129, 0.3); padding: 2px 8px; border-radius: 4px; }

.wh-node-body { display: flex; gap: 16px; align-items: center; }
.wh-brand-thumb { width: 110px; height: 50px; background: #ffffff; border-radius: 6px; display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; padding: 3px; }
.wh-brand-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.wh-node-detail { flex: 1; min-width: 0; }
.wh-node-name { font-size: 1.1rem; font-weight: 800; color: #ffffff; margin-bottom: 2px; }
.wh-node-desc { font-size: 0.82rem; color: #94a3b8; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.wh-node-metrics-bar { background: #080c14; border: 1px solid #1e293b; border-radius: 6px; padding: 8px 12px; display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; }
.wh-metric-item span { color: #64748b; font-weight: 600; }
.wh-metric-item strong { color: #f8fafc; font-weight: 800; margin-left: 4px; }

.wh-node-footer { border-top: 1px solid var(--wh-border-dark); padding-top: 12px; display: flex; justify-content: space-between; align-items: center; }
.wh-benefit-val { font-size: 1.05rem; font-weight: 800; color: var(--wh-primary-green); }
.btn-audit-direct { background: var(--wh-primary-green); color: #000000; text-decoration: none; font-size: 0.85rem; font-weight: 800; padding: 8px 18px; border-radius: 6px; transition: background 0.2s; }
.btn-audit-direct:hover { background: var(--wh-primary-hover); color: #fff; }

/* 스펙 4각 비교 테이블 */
.wh-section-block { margin-top: 40px; margin-bottom: 40px; }
.wh-spec-table { width: 100%; border-collapse: collapse; background: var(--wh-bg-surface); border: 1px solid var(--wh-border-dark); border-radius: 12px; overflow: hidden; }
.wh-spec-table th { background: #080c14; padding: 14px 16px; font-size: 0.85rem; font-weight: 700; color: #cbd5e1; border-bottom: 1px solid var(--wh-border-dark); }
.wh-spec-table td { padding: 13px 16px; font-size: 0.88rem; border-bottom: 1px solid #1e293b; color: #cbd5e1; text-align: center; }
.wh-spec-table td:nth-child(2) { text-align: left; font-weight: 700; color: #ffffff; }

/* Q&A 아코디언 */
.wh-faq-accordion { display: flex; flex-direction: column; gap: 10px; }
.wh-faq-item { background: var(--wh-bg-surface); border: 1px solid var(--wh-border-dark); border-radius: 8px; overflow: hidden; }
.wh-faq-q { padding: 16px 20px; font-weight: 800; font-size: 0.95rem; color: #ffffff; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.wh-faq-q:hover { background: #162032; }
.wh-faq-a { padding: 0 20px 16px; font-size: 0.88rem; color: #94a3b8; line-height: 1.7; border-top: 1px solid #162032; display: none; }
.wh-faq-item.active .wh-faq-a { display: block; }
.wh-toggle-arrow { font-size: 0.8rem; color: #64748b; transition: transform 0.2s; }
.wh-faq-item.active .wh-toggle-arrow { transform: rotate(180deg); }

/* 클린 게시판 테이블 */
.wh-clean-table-box { background: var(--wh-bg-surface); border: 1px solid var(--wh-border-dark); border-radius: 12px; overflow: hidden; margin-bottom: 40px; }
.wh-clean-table { width: 100%; border-collapse: collapse; text-align: left; }
.wh-clean-table th { background: #080c14; padding: 14px 20px; font-size: 0.88rem; font-weight: 700; color: #cbd5e1; border-bottom: 1px solid var(--wh-border-dark); }
.wh-clean-table td { padding: 14px 20px; font-size: 0.92rem; border-bottom: 1px solid #1e293b; color: var(--wh-text-primary); }
.wh-clean-table tbody tr:last-child td { border-bottom: none; }
.wh-clean-table tbody tr:hover { background: #162032; }
.wh-td-num { width: 60px; text-align: center; color: var(--wh-primary-green); font-weight: 700; }
.wh-td-title a { color: #ffffff; text-decoration: none; font-weight: 600; display: block; }
.wh-td-title a:hover { color: var(--wh-primary-green); text-decoration: underline; }
.wh-td-date { width: 110px; text-align: center; color: var(--wh-text-secondary); font-size: 0.82rem; }

/* 🌟 심층 SEO 콘텐츠 박스 🌟 */
.wh-seo-article-card { background: var(--wh-bg-surface); border: 1px solid var(--wh-border-dark); border-radius: 12px; padding: 36px; margin-bottom: 50px; line-height: 1.85; color: #cbd5e1; font-size: 0.95rem; }
.wh-seo-article-card h2 { font-size: 1.35rem; font-weight: 800; margin-bottom: 14px; color: #ffffff; }
.wh-seo-article-card h3 { font-size: 1.1rem; font-weight: 700; margin: 24px 0 10px; color: var(--wh-primary-green); }
.wh-seo-article-card ul { margin: 10px 0 18px 24px; }
.wh-seo-article-card li { margin-bottom: 6px; }

/* Article View */
.wh-single-article { background: var(--wh-bg-surface); padding: 40px; border-radius: 12px; border: 1px solid var(--wh-border-dark); }
.wh-article-head { font-size: 1.75rem; font-weight: 800; margin-bottom: 12px; color: #ffffff; }
.wh-article-meta { color: #64748b; font-size: 0.88rem; margin-bottom: 24px; border-bottom: 1px solid var(--wh-border-dark); padding-bottom: 16px; }
.wh-article-body { font-size: 1.02rem; line-height: 1.85; color: #cbd5e1; }
.wh-article-body h2 { font-size: 1.3rem; font-weight: 800; margin: 28px 0 12px; color: #ffffff; }
.wh-article-body p { margin-bottom: 16px; }

/* Footer */
.wh-bottom-footer { background: #04060a; color: #64748b; padding: 50px 20px 30px; border-top: 1px solid var(--wh-border-dark); }
.wh-footer-wrap { max-width: 1200px; margin: 0 auto; }
.wh-footer-grid { display: flex; justify-content: space-between; gap: 40px; margin-bottom: 40px; flex-wrap: wrap; }
.wh-footer-corp h3 { color: #ffffff; font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; }
.wh-footer-slogan { font-size: 0.88rem; color: #94a3b8; margin-bottom: 8px; }
.wh-footer-desc { max-width: 400px; font-size: 0.82rem; line-height: 1.5; color: #64748b; }
.wh-footer-links { display: flex; gap: 50px; }
.wh-link-group h4 { color: #ffffff; font-size: 0.92rem; font-weight: 700; margin-bottom: 12px; }
.wh-link-group ul { list-style: none; }
.wh-link-group li { margin-bottom: 8px; }
.wh-link-group a { color: #64748b; text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.wh-link-group a:hover { color: #ffffff; }
.wh-footer-copyright { border-top: 1px solid #0f172a; padding-top: 24px; font-size: 0.8rem; text-align: center; color: #475569; }
.wh-disclaimer-note { margin-top: 6px; font-size: 0.74rem; color: #475569; }

/* Responsive Mobile */
@media screen and (max-width: 900px) {
    .wh-audit-ledger-grid { grid-template-columns: 1fr; }
}
@media screen and (max-width: 640px) {
    .wh-nav-container { height: auto; padding: 12px 16px; flex-direction: column; align-items: flex-start; gap: 12px; }
    .wh-main-nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .wh-main-nav .wh-nav-menu { display: flex; gap: 16px; white-space: nowrap; padding-bottom: 4px; }
    
    .wh-hero-stage { padding: 36px 16px 30px; }
    .wh-hero-title { font-size: 1.45rem; }
    .wh-body-container { padding: 20px 14px 40px; }
    
    .wh-node-body { flex-direction: column; align-items: flex-start; gap: 10px; }
    .wh-brand-thumb { width: 100%; height: 46px; }
    .wh-clean-table-box, .wh-spec-table { overflow-x: auto; }
    .wh-clean-table { min-width: 440px; }
    .wh-spec-table { min-width: 480px; }
    .wh-single-article { padding: 20px 16px; }
    .wh-footer-links { gap: 30px; }
}