/* CHAMISAFETY Blog — shared styles (brand tokens: Primary #34D399 · Base Navy #0A1628) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy-deepest: #050D1A;
  --navy-deep:    #0A1628;
  --navy-mid:     #0F2040;
  --navy-card:    #162847;
  --navy-border:  #1E3A5F;
  --accent-blue:  #2563EB;
  --accent-light: #3B82F6;
  --accent-cyan:  #06B6D4;
  --brand-green:  #34D399;
  --text-primary: #F0F6FF;
  --text-secondary: #94A3B8;
  --text-muted:   #64748B;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  background: var(--navy-deepest);
  color: var(--text-primary);
  line-height: 1.7;
}

a { color: inherit; }

/* ── NAV ─────────────────────────────────── */
nav.blog-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5,13,26,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--navy-border);
  padding: 14px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.blog-nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.blog-nav-logo img { height: 42px; width: auto; display: block; }
.blog-nav-logo span { font-weight: 800; font-size: 1rem; color: var(--text-primary); }

.blog-nav-links { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.blog-nav-links a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.blog-nav-links a:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.blog-nav-links a.active { color: var(--brand-green); }

.blog-nav-links a.nav-app-link {
  background: var(--brand-green);
  color: var(--navy-deep);
}
.blog-nav-links a.nav-app-link:hover { background: #6EE7B7; color: var(--navy-deep); }

/* ── LIST PAGE ───────────────────────────── */
.blog-hero { max-width: 860px; margin: 0 auto; padding: 72px 5% 24px; text-align: center; }
.blog-hero .tag { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-cyan); margin-bottom: 14px; display: block; }
.blog-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em; }
.blog-hero p { color: var(--text-secondary); font-size: 1rem; max-width: 560px; margin: 0 auto; line-height: 1.8; }

.post-list { max-width: 860px; margin: 40px auto 0; padding: 0 5% 100px; display: flex; flex-direction: column; gap: 20px; }

.post-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 16px;
  padding: 28px 32px;
  text-decoration: none;
  display: block;
  transition: border-color 0.2s, transform 0.2s;
}
.post-card:hover { border-color: rgba(52,211,153,0.5); transform: translateY(-2px); }

.post-card-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.post-card-cat {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--brand-green); background: rgba(52,211,153,0.12);
  border: 1px solid rgba(52,211,153,0.3); padding: 3px 10px; border-radius: 100px;
}
.post-card-date { font-size: 0.75rem; color: var(--text-muted); }
.post-card h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.post-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.post-card .read-more { display: inline-block; margin-top: 12px; font-size: 0.82rem; font-weight: 700; color: var(--accent-cyan); }

/* ── ARTICLE PAGE ────────────────────────── */
.breadcrumb { max-width: 720px; margin: 0 auto; padding: 24px 5% 0; font-size: 0.8rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--brand-green); }

article.post { max-width: 720px; margin: 0 auto; padding: 20px 5% 40px; }

.post-cat-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--brand-green); background: rgba(52,211,153,0.12);
  border: 1px solid rgba(52,211,153,0.3); padding: 4px 12px; border-radius: 100px; margin-bottom: 18px;
}

article.post h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 800; line-height: 1.35; margin-bottom: 16px; letter-spacing: -0.01em; }

.post-byline { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 36px; padding-bottom: 24px; border-bottom: 1px solid var(--navy-border); }

.post-lead { font-size: 1.08rem; color: var(--text-primary); font-weight: 500; line-height: 1.85; margin-bottom: 32px; }

article.post h2 { font-size: 1.3rem; font-weight: 700; margin: 40px 0 14px; color: var(--text-primary); }
article.post p { font-size: 0.96rem; color: var(--text-secondary); line-height: 1.9; margin-bottom: 16px; }
article.post ul, article.post ol { margin: 0 0 16px 22px; color: var(--text-secondary); font-size: 0.96rem; line-height: 1.9; }
article.post li { margin-bottom: 8px; }
article.post strong { color: var(--text-primary); }

.post-cta {
  margin-top: 48px;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 16px;
  padding: 28px 32px;
  text-align: center;
}
.post-cta p { color: var(--text-secondary); margin-bottom: 16px; }
.post-cta a {
  display: inline-block; background: var(--brand-green); color: var(--navy-deep);
  font-weight: 700; padding: 12px 28px; border-radius: 10px; text-decoration: none;
}
.post-cta a:hover { background: #6EE7B7; }

.faq-section { margin-top: 48px; }
.faq-section h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.faq-item { background: var(--navy-card); border: 1px solid var(--navy-border); border-radius: 12px; padding: 20px 24px; margin-bottom: 14px; }
.faq-item .q { font-weight: 700; color: var(--text-primary); margin-bottom: 8px; font-size: 0.96rem; }
.faq-item .a { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.8; }

.post-back { display: inline-block; margin-top: 40px; font-size: 0.85rem; color: var(--accent-cyan); text-decoration: none; }
.post-back:hover { text-decoration: underline; }

/* ── FOOTER (shared with main landing) ──── */
footer.blog-footer {
  background: var(--navy-deepest);
  border-top: 1px solid var(--navy-border);
  padding: 32px 5%;
  margin-top: 60px;
}
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-left { display: flex; flex-direction: column; gap: 4px; }
.footer-brand { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); }
.footer-copy { font-size: 0.75rem; color: var(--text-muted); }
.footer-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.footer-legal { max-width: 1100px; margin: 20px auto 0; padding-top: 20px; border-top: 1px solid var(--navy-border); font-size: 0.72rem; color: var(--text-muted); line-height: 1.9; }
.footer-legal a { color: var(--text-muted); text-decoration: underline; }

@media (max-width: 640px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-right { align-items: flex-start; }
  article.post { padding: 16px 5% 32px; }
  .post-card { padding: 22px 20px; }
  nav.blog-nav { padding: 12px 4%; }
}