/* ─────────────────────────────────────────────────────────────
   pages-seo.css — 검색 대응 신규 정보성 페이지 공통 스타일
   (원탁토론 / 공론조사 / 타운홀미팅 / 숙의민주주의 / 사례 라이브러리)
   design-tokens.css + styles.css 위에 얹어 사용. --ks-* 토큰 재사용.
───────────────────────────────────────────────────────────── */
a { text-decoration: none; }

/* ---------- header ---------- */
.hub-header { position: sticky; top: 0; z-index: 50; background: rgba(250,247,242,0.92); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px); border-bottom: 1px solid var(--ks-line-2); }
.hub-header-in { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.hub-logo img { height: 28px; width: auto; display: block; }
.hub-nav { display: none; align-items: center; gap: 2px; }
.hub-nav a { padding: 10px 14px; font-size: 15px; font-weight: 600; color: var(--ks-ink-2); letter-spacing: -0.005em; transition: color .18s ease; }
.hub-nav a:hover { color: var(--ks-deep); }
.hub-head-right { display: flex; align-items: center; gap: 10px; }
#hub-cta { display: none; }
.hub-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--ks-line); background: transparent; border-radius: 12px; cursor: pointer; color: var(--ks-ink); }
.hub-mobile { display: none; background: var(--ks-paper); border-top: 1px solid var(--ks-line-2); border-bottom: 1px solid var(--ks-line-2); }
.hub-mobile.open { display: block; }
.hub-mobile nav { display: flex; flex-direction: column; padding: 12px 24px 22px; }
.hub-mobile nav a { padding: 14px 4px; font-size: 17px; font-weight: 700; color: var(--ks-ink); border-bottom: 1px solid var(--ks-line-2); }
@media (min-width: 1024px) { .hub-nav { display: flex; } .hub-toggle { display: none; } #hub-cta { display: inline-flex; } }

/* ---------- hero ---------- */
.hub-hero { background: var(--ks-cream); padding: 44px 0 46px; }
.hub-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--ks-ink-3); margin-bottom: 26px; }
.hub-breadcrumb a { color: var(--ks-ink-3); }
.hub-hero h1 { font-family: var(--ks-font-display); font-size: clamp(32px,4.6vw,56px); line-height: 1.14; letter-spacing: -0.02em; color: var(--ks-ink); margin: 14px 0 0; max-width: 22ch; }
.hub-hero .accent { color: var(--ks-teal); }
.hub-hero p.lead { font-size: 19px; line-height: 1.75; color: var(--ks-ink-2); max-width: 64ch; margin: 24px 0 0; }
.hub-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }

/* ---------- section scaffolding ---------- */
.pg-section { padding: 46px 0; }
.hub-section-head { max-width: 66ch; margin-bottom: 24px; }
.hub-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ks-teal); }
.hub-section-head h2 { font-family: var(--ks-font-display); font-size: clamp(26px,3.2vw,40px); font-weight: 800; color: var(--ks-ink); letter-spacing: -0.02em; margin: 14px 0 0; }
.hub-section-head p { font-size: 17px; line-height: 1.7; color: var(--ks-ink-2); margin: 14px 0 0; }
.pg-prose { max-width: 74ch; font-size: 17px; line-height: 1.85; color: var(--ks-ink-2); }
.pg-prose strong { color: var(--ks-ink); }
.pg-prose p { margin: 0 0 18px; }
.pg-prose p:last-child { margin-bottom: 0; }

/* ---------- steps ---------- */
.pg-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.pg-step { display: flex; gap: 16px; padding: 24px; border: 1px solid var(--ks-line); border-radius: var(--ks-radius-lg); background: var(--ks-paper); }
.pg-step .num { font-family: var(--ks-font-display); font-size: 18px; font-weight: 800; color: #fff; background: var(--ks-deep); min-width: 40px; height: 40px; border-radius: 10px; display:flex; align-items:center; justify-content:center; }
.pg-step h3 { font-size: 17px; font-weight: 700; color: var(--ks-ink); margin: 2px 0 6px; }
.pg-step p { font-size: 14px; line-height: 1.65; color: var(--ks-ink-2); margin: 0; }

/* ---------- feature cards ---------- */
.pg-feat { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 8px; }
.pg-feat-card { padding: 28px; border-radius: var(--ks-radius-lg); background: var(--ks-cream); border: 1px solid var(--ks-line); }
.pg-feat-card .n { font-family: var(--ks-font-display); font-size: 15px; font-weight: 800; color: var(--ks-teal); letter-spacing:.08em; }
.pg-feat-card h3 { font-size: 18px; font-weight: 700; color: var(--ks-deep); margin: 10px 0 8px; }
.pg-feat-card p { font-size: 15px; line-height: 1.7; color: var(--ks-ink-2); margin: 0; }

/* ---------- comparison table ---------- */
.pg-compare-wrap { overflow-x: auto; margin-top: 8px; border: 1px solid var(--ks-line); border-radius: var(--ks-radius-lg); background: var(--ks-paper); }
.pg-compare { width: 100%; border-collapse: collapse; min-width: 640px; }
.pg-compare th, .pg-compare td { text-align: left; padding: 18px 22px; vertical-align: top; font-size: 15px; line-height: 1.6; border-bottom: 1px solid var(--ks-line-2); }
.pg-compare thead th { font-family: var(--ks-font-display); font-size: 16px; font-weight: 800; color: var(--ks-ink); background: var(--ks-cream); border-bottom: 1px solid var(--ks-line); }
.pg-compare thead th.col-hi { color: var(--ks-teal-3); }
.pg-compare tbody th { font-weight: 700; color: var(--ks-ink); width: 22%; }
.pg-compare td { color: var(--ks-ink-2); }
.pg-compare td.col-hi { background: rgba(30,139,141,0.05); color: var(--ks-ink); font-weight: 600; }
.pg-compare tr:last-child th, .pg-compare tr:last-child td { border-bottom: none; }

/* ---------- FAQ ---------- */
.pg-faq { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; max-width: 880px; }
.pg-faq-item { padding: 24px 28px; border: 1px solid var(--ks-line); border-radius: var(--ks-radius-lg); background: var(--ks-paper); }
.pg-faq-item h3 { font-size: 17px; font-weight: 700; color: var(--ks-ink); margin: 0 0 10px; letter-spacing: -0.01em; }
.pg-faq-item h3::before { content: "Q. "; color: var(--ks-teal); font-weight: 800; }
.pg-faq-item p { font-size: 15px; line-height: 1.75; color: var(--ks-ink-2); margin: 0; }

/* ---------- case cards (2-up) ---------- */
.pg-cases { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 8px; }
.hub-case { display: flex; flex-direction: column; gap: 10px; padding: 26px; }
.hub-case-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hub-case-client { font-size: 13px; font-weight: 700; color: var(--ks-deep); }
.hub-case-title { font-family: var(--ks-font-display); font-size: 19px; font-weight: 800; color: var(--ks-ink); margin: 0; letter-spacing: -0.015em; line-height: 1.35; }
.hub-case-sum { font-size: 14.5px; line-height: 1.65; color: var(--ks-ink-2); margin: 0; flex: 1; }
.hub-case-more { font-size: 13px; font-weight: 700; color: var(--ks-teal); }

/* ---------- method branch cards (deliberative-democracy hub) ---------- */
.pg-branch { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 8px; }
.pg-branch-card { display: flex; flex-direction: column; gap: 12px; padding: 30px 28px; border-radius: var(--ks-radius-lg); background: var(--ks-paper); border: 1px solid var(--ks-line); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.pg-branch-card:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(18,74,122,0.10); border-color: rgba(18,74,122,0.28); }
.pg-branch-card h3 { font-family: var(--ks-font-display); font-size: 21px; font-weight: 800; color: var(--ks-deep); margin: 0; letter-spacing: -0.015em; }
.pg-branch-card p { font-size: 15px; line-height: 1.7; color: var(--ks-ink-2); margin: 0; flex: 1; }
.pg-branch-card .go { font-size: 14px; font-weight: 700; color: var(--ks-teal); }

/* ---------- cross links ---------- */
.hub-more { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.hub-more a { display: inline-flex; align-items: center; height: 44px; padding: 0 20px; border-radius: 999px; border: 1px solid var(--ks-line); background: var(--ks-paper); font-size: 14px; font-weight: 600; color: var(--ks-ink-2); transition: border-color .18s, color .18s; }
.hub-more a:hover { border-color: var(--ks-deep); color: var(--ks-deep); }

/* ---------- big CTA ---------- */
.hub-cta { background: var(--ks-deep); color: #fff; }
.hub-cta-in { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding: 44px 24px; }
.hub-cta h2 { font-family: var(--ks-font-display); font-size: clamp(26px,3vw,38px); font-weight: 800; margin: 0; letter-spacing: -0.02em; line-height: 1.25; }
.hub-cta p { margin: 14px 0 0; font-size: 16px; line-height: 1.7; color: rgba(255,255,255,0.8); max-width: 52ch; }

/* ---------- case library (cases.html) ---------- */
.lib-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 40px; }
.lib-stat { padding: 24px; border-radius: var(--ks-radius-lg); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); }
.lib-stat .v { font-family: var(--ks-font-display); font-size: clamp(28px,3.4vw,40px); font-weight: 800; color: #fff; line-height: 1; }
.lib-stat .l { font-size: 13px; color: rgba(255,255,255,0.72); margin-top: 10px; }
.lib-filter { display: flex; flex-direction: column; gap: 14px; }
.lib-filter-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lib-filter-label { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ks-ink-3); min-width: 56px; }
.lib-chip { appearance: none; cursor: pointer; display: inline-flex; align-items: center; height: 40px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--ks-line); background: var(--ks-paper); font-family: var(--ks-font); font-size: 14px; font-weight: 600; color: var(--ks-ink-2); transition: all .16s ease; }
.lib-chip:hover { border-color: var(--ks-deep); color: var(--ks-deep); }
.lib-chip[aria-pressed="true"] { background: var(--ks-deep); border-color: var(--ks-deep); color: #fff; }
.lib-count { font-size: 14px; color: var(--ks-ink-3); margin: 4px 0 0; }
.lib-count b { color: var(--ks-ink); font-weight: 700; }
.lib-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 28px; }
.lib-card { display: flex; flex-direction: column; overflow: hidden; border-radius: var(--ks-radius-lg); background: var(--ks-paper); border: 1px solid var(--ks-line); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.lib-card:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(18,74,122,0.10); border-color: rgba(18,74,122,0.28); }
.lib-card-thumb { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; background: linear-gradient(135deg,#e2dfd7,#d6d2c8); display: block; }
.lib-card-body { display: flex; flex-direction: column; gap: 10px; padding: 20px 22px 24px; flex: 1; }
.lib-card-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lib-card-client { font-size: 12.5px; font-weight: 700; color: var(--ks-deep); }
.lib-card h3 { font-family: var(--ks-font-display); font-size: 17px; font-weight: 800; color: var(--ks-ink); margin: 0; letter-spacing: -0.01em; line-height: 1.4; }
.lib-card p { font-size: 13.5px; line-height: 1.6; color: var(--ks-ink-2); margin: 0; flex: 1; }
.lib-card .more { font-size: 13px; font-weight: 700; color: var(--ks-teal); margin-top: 2px; }
.lib-empty { padding: 60px 24px; text-align: center; color: var(--ks-ink-3); font-size: 16px; display: none; }

/* ---------- footer ---------- */
.hub-footer { background: var(--ks-deep-3); color: rgba(255,255,255,0.78); padding: 80px 0 32px; }
.hub-footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 40px; }
.hub-footer h4 { font-size: 13px; color: #9bd9d8; letter-spacing: .1em; font-weight: 700; text-transform: uppercase; margin: 0 0 18px; }
.hub-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.hub-footer a { color: rgba(255,255,255,0.78); font-size: 14px; }
.hub-footer a:hover { color: #fff; }
.hub-footer-logo { height: 30px; width: auto; filter: brightness(0) invert(1); display: block; margin-bottom: 18px; }
.hub-footer-contact { display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.78); margin-top: 8px; }
.hub-footer-contact span { color: rgba(255,255,255,0.5); margin-right: 8px; }
.hub-footer-bottom { margin-top: 56px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,0.12); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 13px; color: rgba(255,255,255,0.54); }
.hub-footer-bottom a { color: rgba(255,255,255,0.7); }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .pg-steps, .pg-feat, .pg-cases, .pg-branch { grid-template-columns: 1fr; }
  .lib-grid { grid-template-columns: 1fr 1fr; }
  .lib-stats { grid-template-columns: 1fr 1fr; }
  .hub-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .lib-grid { grid-template-columns: 1fr; }
  .hub-footer-grid { grid-template-columns: 1fr; }
  .pg-section { padding: 36px 0; }
}