:root {
  --red: #D6001C;
  --red-hover: #B10018;
  --red-light: #FF5B67;
  --dark: #14110F;
  --dark-card: #1A1613;
  --paper: #FAF8F6;
  --paper-alt: #F1EDE9;
  --ink: #1A1613;
  --line: rgba(26,22,19,.08);
  --max: 1160px;
  --prose: 720px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 15.5px;
}
[hidden] { display: none !important; }
a { color: var(--red); text-decoration: none; }
a:hover { color: var(--red-hover); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ===== Note card (일반 강조 카드) ===== */
.note-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 28px 32px; margin-top: 28px; }
.note-card .big { font-size: 19px; font-weight: 800; color: var(--ink); margin: 0 0 10px; }
.note-card .big strong { color: var(--red); }
.note-card p:not(.big) { font-size: 14.5px; line-height: 1.7; color: rgba(26,22,19,.68); margin: 0; }

/* ===== Heritage timeline ===== */
.heritage-timeline { position: relative; margin: 32px 0; padding-left: 28px; border-left: 2px solid var(--line); }
.ht-item { position: relative; padding-bottom: 32px; }
.ht-item:last-child { padding-bottom: 0; }
.ht-item::before { content: ''; position: absolute; left: -33px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--red); }
.ht-item .ht-year { font-size: 13px; font-weight: 800; color: var(--red); margin: 0 0 4px; }
.ht-item .ht-label { font-size: 15px; font-weight: 700; color: var(--ink); margin: 0 0 4px; }
.ht-item p:not(.ht-year):not(.ht-label) { font-size: 14.5px; line-height: 1.65; color: rgba(26,22,19,.68); margin: 0; }
.ht-item strong { color: var(--ink); }
.ht-quote { margin-top: 8px; font-style: italic; font-size: 15px; line-height: 1.75; color: rgba(26,22,19,.7); background: var(--paper-alt); border-radius: 12px; padding: 20px 24px; }

/* ===== Report mockup (bullet chart, 목표 대비 실적) ===== */
.report-mock { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px 36px; margin-top: 32px; }
.report-mock .rm-label { font-size: 12.5px; font-weight: 700; color: rgba(26,22,19,.4); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 20px; }
.report-mock .rm-row { display: grid; grid-template-columns: 150px 1fr 56px; align-items: center; gap: 16px; margin-bottom: 18px; }
.report-mock .rm-row:last-of-type { margin-bottom: 0; }
.report-mock .rm-name { font-size: 14px; font-weight: 700; color: var(--ink); }
.report-mock .rm-target { font-size: 12px; color: rgba(26,22,19,.45); margin-top: 2px; }
.report-mock .rm-bar { position: relative; height: 26px; background: var(--paper-alt); border-radius: 6px; }
.report-mock .rm-bar .fill { height: 26px; border-radius: 6px; background: var(--red); }
.report-mock .rm-bar .fill.muted { background: rgba(26,22,19,.3); }
.report-mock .rm-bar .tick { position: absolute; top: -6px; bottom: -6px; width: 3px; background: var(--ink); }
.report-mock .rm-pct { font-size: 16px; font-weight: 800; color: var(--red); text-align: right; font-variant-numeric: tabular-nums; }
.report-mock .rm-pct.muted { color: rgba(26,22,19,.45); }
.report-mock .rm-note { margin-top: 20px; background: var(--paper-alt); border-radius: 12px; padding: 16px 20px; font-size: 13.5px; line-height: 1.6; color: rgba(26,22,19,.65); }
@media (max-width: 640px) {
  .report-mock .rm-row { grid-template-columns: 1fr; gap: 6px; }
  .report-mock .rm-pct { text-align: left; }
}

/* ===== Stat band (Track Record) ===== */
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-band .tile .value { font-size: clamp(28px, 3.2vw, 40px); font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
.stat-band .tile .label { margin-top: 6px; font-size: 14px; color: rgba(26,22,19,.6); }
@media (max-width: 760px) { .stat-band { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; } }

/* ===== Header / Footer ===== */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--line);
}
header.site .bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 16px; padding-bottom: 16px; }
.logo img { height: 24px; width: auto; display: block; }
nav.gnb { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; flex: 1 1 auto; justify-content: center; }
nav.gnb a { font-size: 15px; font-weight: 600; color: var(--ink); white-space: nowrap; }
nav.gnb a:hover, nav.gnb a.active { color: var(--red); }
nav.gnb a.btn-primary, nav.gnb a.btn-primary:hover { color: #fff; }

header.site .hamburger {
  display: none; width: 40px; height: 40px; flex: 0 0 auto;
  border: none; background: transparent; padding: 0; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
header.site .hamburger span {
  display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
header.site.menu-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
header.site.menu-open .hamburger span:nth-child(2) { opacity: 0; }
header.site.menu-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

header.site .mobile-nav { display: none; background: #fff; border-top: 1px solid var(--line); padding: 8px 24px 20px; flex-direction: column; }
header.site.menu-open .mobile-nav { display: flex; }
header.site .mobile-nav a { color: var(--ink); font-size: 17px; font-weight: 700; text-decoration: none; padding: 14px 4px; border-bottom: 1px solid rgba(26,22,19,.06); }
header.site .mobile-nav a.btn-primary { margin-top: 16px; text-align: center; border-bottom: none; padding: 14px 22px; font-size: 15px; }

@media (max-width: 860px) {
  header.site .bar { padding-top: 12px; padding-bottom: 12px; }
  header.site .bar nav.gnb,
  header.site .bar > a.btn-primary { display: none; }
  header.site .hamburger { display: flex; }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 24px; border-radius: 100px; font-size: 14.5px; font-weight: 700;
  cursor: pointer; border: 1px solid transparent; white-space: nowrap; transition: all .2s;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(214,0,28,.35); }
header.site .btn-primary { padding: 8px 18px; font-size: 13.5px; }
.btn-dark { background: var(--dark); color: #fff; padding: 15px 32px; }
.btn-dark:hover { background: #000; color: #fff; }
.btn-line { border-color: rgba(255,255,255,.3); color: #fff; background: transparent; }
.btn-line:hover { border-color: #fff; background: rgba(255,255,255,.06); color: #fff; transform: translateY(-2px); }

footer.site { background: var(--dark); color: rgba(255,255,255,.6); padding: 64px 24px 32px; }
footer.site .top { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.12); }
footer.site .biz { flex: 1 1 320px; min-width: 0; }
footer.site .biz-name { display: flex; align-items: center; gap: 10px; white-space: nowrap; margin-bottom: 20px; }
footer.site .biz img { height: 22px; }
footer.site .biz-name strong { font-size: 14px; color: rgba(255,255,255,.75); }
footer.site .biz p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.5); margin: 0 0 4px; }
footer.site .biz p strong { color: rgba(255,255,255,.75); }
footer.site nav { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: flex-start; }
footer.site nav a { color: rgba(255,255,255,.6); font-size: 14px; font-weight: 600; }
footer.site nav a:hover { color: #fff; }
footer.site .meta { font-size: 12px; color: rgba(255,255,255,.35); margin-top: 24px; }

/* ===== Hero (dark) ===== */
.hero-dark { background: var(--dark); padding: 120px 24px 88px; }
.hero-dark .eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--red-light); margin: 0 0 20px; }
.hero-dark h1 { font-size: clamp(28px,4.6vw,54px); font-weight: 800; line-height: 1.25; letter-spacing: -.02em; color: #fff; margin: 0 0 24px; max-width: 780px; }
.hero-dark p { font-size: 18px; line-height: 1.75; color: rgba(255,255,255,.72); margin: 0; max-width: 640px; }
.hero-dark p strong { color: #fff; }
.hero-dark .cta-row, .hero-banner .cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-top: 40px; }

/* ===== Section heads ===== */
.section-head { margin-bottom: 40px; }
.section-head .eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--red); margin: 0 0 16px; }
.section-head.on-dark .eyebrow { color: var(--red-light); }
.section-head h2 { font-size: clamp(26px,3.6vw,36px); font-weight: 800; color: var(--ink); letter-spacing: -.01em; margin: 0 0 16px; }
.section-head.on-dark h2 { color: #fff; }
.section-head p { font-size: 17px; line-height: 1.75; color: rgba(26,22,19,.72); max-width: 680px; margin: 0; }
.section-head.on-dark p { color: rgba(255,255,255,.65); }

section.soft { background: var(--paper-alt); }
section.on-dark { background: var(--dark); }

/* ===== Rail layout (label 200px + 720px prose) ===== */
.rail { display: flex; flex-wrap: wrap; gap: 40px; }
.rail-label { flex: 0 0 200px; min-width: 180px; }
.rail-label .inner { position: sticky; top: 96px; }
.rail-label .eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--red); margin: 0 0 10px; }
.rail-label .num { font-size: 15px; font-weight: 700; color: rgba(26,22,19,.3); margin: 0; }
.rail-body { flex: 1 1 440px; min-width: 280px; max-width: 672px; }
.rail-body h2 { font-size: clamp(26px,3.6vw,36px); font-weight: 800; color: var(--ink); letter-spacing: -.01em; margin: 0 0 32px; }
.rail-body h3 { font-size: 22px; font-weight: 800; color: var(--ink); margin: 0 0 20px; }
.rail-body p { font-size: 17px; line-height: 1.85; color: rgba(26,22,19,.75); margin: 0 0 22px; }
.rail-body p:last-child { margin-bottom: 0; }
.rail-body p strong { color: var(--ink); }
.rail-body .quote { font-size: 24px; line-height: 1.55; color: var(--ink); font-weight: 800; letter-spacing: -.01em; margin: 44px 0; }

/* On this page 미니 목차 (rail 세 번째 컬럼) */
.rail-toc { flex: 0 0 160px; min-width: 140px; }
.rail-toc .inner { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 12px; }
.rail-toc .kicker { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: rgba(26,22,19,.35); margin: 0 0 4px; }
.rail-toc a { font-size: 13px; font-weight: 600; color: rgba(26,22,19,.4); text-decoration: none; }
.rail-toc a.active { font-weight: 800; color: var(--red); }

/* 배너형 히어로(2단: 카피 + 톤 매칭 이미지 슬롯) — About·Services 전용 */
.hero-banner { padding: 72px 24px 40px; overflow: hidden; position: relative; background: var(--hero-grad, var(--dark)); }
.hero-banner .wrap { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 32px; align-items: center; }
.hero-banner .copy { flex: 1 1 480px; min-width: 280px; }
.hero-banner .eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,.35); margin: 0 0 20px; }
.hero-banner h1 { font-size: clamp(30px,4.4vw,48px); font-weight: 800; line-height: 1.3; letter-spacing: -.02em; color: #fff; margin: 0 0 24px; }
.hero-banner h2 { font-size: clamp(24px,3.4vw,34px); font-weight: 800; line-height: 1.35; letter-spacing: -.02em; color: #fff; margin: 0 0 16px; }
.hero-banner p { font-size: 17px; line-height: 1.75; color: rgba(255,255,255,.72); margin: 0; max-width: 520px; }
.hero-banner .banner-slot { flex: 0 0 260px; min-width: 200px; height: 200px; border-radius: 20px; overflow: hidden; background: rgba(255,255,255,.12); }
.hero-banner .banner-slot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rail-body .kicker { font-size: 13px; font-weight: 700; letter-spacing: .03em; color: rgba(26,22,19,.45); margin: 0 0 20px; }

/* Heavy&Slow / Sharp&Fast pair */
.pair-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 16px; margin-bottom: 56px; }
.pair-card { border-radius: 20px; padding: 30px; }
.pair-card.dark { background: var(--dark); }
.pair-card.light { background: #fff; border: 1px solid var(--line); }
.pair-card .label { font-size: 15px; font-weight: 800; margin: 0 0 18px; }
.pair-card.dark .label { color: var(--red-light); }
.pair-card.light .label { color: var(--red); }
.pair-card ul { display: flex; flex-direction: column; gap: 14px; }
.pair-card li { font-size: 15px; line-height: 1.6; }
.pair-card.dark li { color: rgba(255,255,255,.75); }
.pair-card.light li { color: rgba(26,22,19,.7); }

/* Rail-free comparison cards (no left border!) */
.compare-stack { display: flex; flex-direction: column; gap: 12px; }
.compare-card {
  background: #fff; border-radius: 18px; padding: 26px 28px;
  display: grid; grid-template-columns: repeat(auto-fit,minmax(140px,1fr)); gap: 16px;
  transition: transform .2s, box-shadow .2s;
}
.compare-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(26,22,19,.1); }
.compare-card h4 { font-size: 16px; font-weight: 800; color: var(--ink); align-self: center; margin: 0; }
.compare-card .col-label { font-size: 12px; font-weight: 700; color: rgba(26,22,19,.4); margin: 0 0 6px; }
.compare-card .col-val { font-size: 14px; line-height: 1.5; color: rgba(26,22,19,.6); margin: 0; }
.compare-card .col-label.ours { color: var(--red); }
.compare-card .col-val.ours { color: var(--ink); font-weight: 600; }

/* Card grids (channels, systems, verification, home services) */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 20px; }
.card-grid.narrow { grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); }
.card-soft {
  background: #fff; border-radius: 20px; padding: 28px;
  transition: transform .2s, box-shadow .2s;
}
.card-soft.bordered { border: 1px solid var(--line); }
.card-soft:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(26,22,19,.1); }
.card-soft .num { font-size: 14px; font-weight: 800; color: var(--red); margin: 0 0 12px; }
.card-soft .tag { font-size: 12px; font-weight: 700; letter-spacing: .04em; color: var(--red); margin: 0 0 10px; text-transform: uppercase; }
.card-soft h3 { font-size: 18px; font-weight: 800; color: var(--ink); margin: 0 0 10px; }
.card-soft p { font-size: 14.5px; line-height: 1.65; color: rgba(26,22,19,.65); margin: 0 0 16px; }
.card-soft p:last-child { margin-bottom: 0; }
.card-soft .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.card-soft .chips span { font-size: 12px; background: var(--paper-alt); color: rgba(26,22,19,.6); padding: 5px 10px; border-radius: 100px; }
.card-soft .method { border-top: 1px solid var(--line); padding-top: 14px; margin-bottom: 16px; }
.card-soft .method .k { font-size: 13px; font-weight: 700; color: rgba(26,22,19,.45); margin: 0 0 8px; }
.card-soft .method p:not(.k) { font-size: 14px; line-height: 1.65; color: rgba(26,22,19,.68); margin: 0; }

/* Growth formula flex cards (label + content) */
.gf-card {
  background: #fff; border-radius: 20px; padding: 32px;
  display: flex; flex-wrap: wrap; gap: 28px;
  transition: transform .2s, box-shadow .2s;
}
.gf-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(26,22,19,.1); }
.gf-card .gf-label { flex: 0 0 200px; min-width: 180px; }
.gf-card .gf-label .num { font-size: 14px; font-weight: 800; color: var(--red); margin: 0 0 8px; }
.gf-card .gf-label h3 { font-size: 18px; font-weight: 800; color: var(--ink); line-height: 1.4; margin: 0; }
.gf-card .gf-body { flex: 1 1 300px; min-width: 240px; }
.gf-card .gf-body .k { font-size: 13px; font-weight: 700; color: rgba(26,22,19,.45); margin: 0 0 8px; }
.gf-card .gf-body p { font-size: 15px; line-height: 1.65; color: rgba(26,22,19,.68); margin: 0 0 16px; }
.gf-card .gf-body p:last-child { margin-bottom: 0; color: var(--ink); }
.gf-card .gf-body p strong { color: var(--ink); }

/* Case study cards (Record page — anonymized real cases with numbers) */
.case-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 36px; }
.case-card + .case-card { margin-top: 20px; }
.case-card .cc-eyebrow { font-size: 13px; font-weight: 800; letter-spacing: .04em; color: var(--red); text-transform: uppercase; margin: 0 0 8px; }
.case-card .cc-tag { font-size: 14px; font-weight: 600; color: rgba(26,22,19,.5); margin: 0 0 16px; }
.case-card h3 { font-size: 21px; font-weight: 800; color: var(--ink); line-height: 1.5; margin: 0 0 28px; }
.case-card .cc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.case-card .cc-grid .k { font-size: 13px; font-weight: 700; color: rgba(26,22,19,.45); margin: 0 0 8px; }
.case-card .cc-grid p:not(.k) { font-size: 14.5px; line-height: 1.65; color: rgba(26,22,19,.68); margin: 0; }
@media (max-width: 760px) {
  .case-card { padding: 28px 22px; }
  .case-card .cc-grid { grid-template-columns: 1fr; gap: 18px; }
  .gf-card .gf-label { flex-basis: 100%; min-width: 0; }
  .gf-card .gf-body { flex-basis: 100%; min-width: 0; }
}

/* Feature grid on dark bg (How We Work / Measurement / Process) */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 28px; }
.feature-grid.wide { grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 32px; }
.feature-item { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: 20px; padding: 28px; }
.feature-item .num { font-size: 14px; font-weight: 800; color: var(--red-light); margin: 0 0 12px; }
.feature-item h3 { font-size: 18px; font-weight: 800; color: #fff; margin: 0 0 4px; line-height: 1.4; }
.feature-item .sub { font-size: 12px; font-weight: 600; letter-spacing: .04em; color: rgba(255,255,255,.4); text-transform: uppercase; margin: 0 0 16px; }
.feature-item p { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,.65); margin: 0 0 12px; }
.feature-item p:last-child { margin-bottom: 0; }
.feature-item p strong { color: rgba(255,255,255,.9); }
.feature-item.light-copy p { font-size: 14px; line-height: 1.65; color: rgba(255,255,255,.6); }

/* Bullets with red dot (reporting list) */
.dot-list li { font-size: 15px; line-height: 1.6; color: rgba(26,22,19,.7); padding-left: 20px; position: relative; margin-bottom: 10px; }
.dot-list li:last-child { margin-bottom: 0; }
.dot-list li::before { content: '·'; position: absolute; left: 0; color: var(--red); }

/* ===== Logo grids ===== */
.logo-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(150px,1fr)); gap: 12px; }
.logo-grid .cell { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; height: 76px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.logo-grid .cell img { width: 100%; height: 100%; object-fit: contain; }
/* 원본이 흰색 실루엣이라 흰 카드 위에서 안 보이는 로고(eBay·Sleepover·SonicSleep·SonoSeason·theNA) 반전 처리 */
.logo-grid .cell img.mono-invert { filter: invert(1); }
.logo-strip-row { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; margin-bottom: 28px; }
.logo-strip-row .label { font-size: 13px; font-weight: 600; letter-spacing: .04em; color: rgba(26,22,19,.4); }
.logo-strip-row a { font-size: 13px; font-weight: 600; color: rgba(26,22,19,.45); }
.logo-strip { display: grid; grid-template-columns: repeat(auto-fill,minmax(110px,1fr)); gap: 8px; align-items: center; }
.logo-strip .cell { padding: 10px; height: 52px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.logo-strip .cell img { width: 100%; height: 100%; object-fit: contain; filter: grayscale(1) opacity(.55); transition: filter .25s, transform .25s; }
.logo-strip .cell img:hover { filter: grayscale(0) opacity(1); transform: scale(1.08); }
.logo-strip .cell img.mono-invert { filter: invert(1) grayscale(1) opacity(.55); }
.logo-strip .cell img.mono-invert:hover { filter: invert(1) opacity(1); transform: scale(1.08); }

/* ===== CTA band ===== */
.cta-band { background: linear-gradient(115deg, var(--red) 0%, var(--red-light) 100%); padding: 80px 24px; text-align: center; }
.cta-band .wrap { max-width: var(--max); }
.cta-band h2 { font-size: clamp(24px,3.4vw,34px); font-weight: 800; color: #fff; margin: 0 0 16px; letter-spacing: -.01em; }
.cta-band p { font-size: 17px; line-height: 1.7; color: rgba(255,255,255,.85); margin: 0 auto 32px; max-width: 640px; }

/* ===== Content library layout (Insights / FactCheck) ===== */
.content-layout { display: flex; flex-wrap: wrap; gap: 40px; align-items: flex-start; }
.content-search { margin-bottom: 20px; position: relative; }
.content-search input {
  width: 100%; padding: 13px 16px 13px 44px; border-radius: 100px; border: 1px solid var(--line);
  font-size: 15px; font-family: inherit; color: var(--ink); background: #fff;
}
.content-search input:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(214,0,28,.1); }
.content-search svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); pointer-events: none; opacity: .4; }
.cat-nav { flex: 0 0 240px; min-width: 200px; display: flex; flex-direction: column; gap: 2px; }
.cat-nav button { display: block; width: 100%; text-align: left; font-size: 14px; font-weight: 600; padding: 10px 14px; border-radius: 10px; cursor: pointer; border: none; background: transparent; color: rgba(26,22,19,.65); }
.cat-nav button:hover { opacity: .8; }
.cat-nav button.active { background: var(--red); color: #fff; font-weight: 700; }

/* 카테고리 내비 — 목록 페이지는 button(JS 필터), 상세 페이지는 a(다른 페이지로 이동) */
.cat-nav a { display: block; width: 100%; text-align: left; font-size: 14px; font-weight: 600; padding: 10px 14px; border-radius: 10px; color: rgba(26,22,19,.65); }
.cat-nav a:hover { background: var(--paper-alt); color: var(--ink); }
.cat-nav a.active { background: var(--red); color: #fff; font-weight: 700; }
.cat-nav { position: sticky; top: 96px; align-self: flex-start; }
.content-main { flex: 1 1 480px; min-width: 280px; max-width: 820px; }
.content-toolbar { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.content-toolbar .count { font-size: 14px; color: rgba(26,22,19,.55); }
.content-toolbar .sort { font-size: 13px; color: rgba(26,22,19,.4); }
.content-empty { text-align: center; padding: 64px 0; font-size: 15px; color: rgba(26,22,19,.55); }

.article-list { display: flex; flex-direction: column; min-height: 640px; }
.article-row { display: flex; flex-wrap: wrap; gap: 16px 24px; padding: 24px 4px; border-bottom: 1px solid var(--line); transition: background .2s, padding-left .2s; }
.article-row:hover { background: var(--paper-alt); padding-left: 12px; }
.article-row .meta { flex: 0 0 130px; min-width: 100px; }
.article-row .meta .cat { font-size: 12px; font-weight: 700; color: var(--red); margin: 0 0 4px; }
.article-row .meta .level { font-size: 12px; color: rgba(26,22,19,.4); }
.article-row .body { flex: 1 1 320px; min-width: 200px; }
.article-row .body h3 { font-size: 17px; font-weight: 800; color: var(--ink); margin: 0 0 8px; line-height: 1.5; }
.article-row .body p { font-size: 14px; line-height: 1.6; color: rgba(26,22,19,.6); margin: 0; }

.qa-list { display: flex; flex-direction: column; gap: 14px; min-height: 540px; }
.qa-card { display: block; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px 28px; transition: transform .2s, box-shadow .2s, border-color .2s; }
.qa-card:hover, .qa-card.open { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(26,22,19,.08); border-color: rgba(214,0,28,.3); }
.qa-card .qa-q { display: block; width: 100%; text-align: left; background: none; border: none; padding: 0; cursor: pointer; font-family: inherit; }
.qa-card .cat { font-size: 12px; font-weight: 700; color: var(--red); margin: 0 0 10px; }
.qa-card h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin: 0; line-height: 1.4; }
.qa-card .qa-a { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.qa-card .qa-a p { font-size: 14.5px; color: rgba(26,22,19,.68); margin: 0 0 14px; line-height: 1.75; }
.qa-card .qa-a p:last-child { margin-bottom: 0; }
.qa-card .qa-a a { font-weight: 700; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.pagination button { font-size: 14px; font-weight: 600; padding: 8px 16px; border-radius: 8px; border: 1px solid rgba(26,22,19,.12); background: #fff; color: rgba(26,22,19,.65); cursor: pointer; }
.pagination button.num { font-weight: 700; width: 36px; height: 36px; padding: 0; }
.pagination button.active { border-color: var(--red); background: var(--red); color: #fff; }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }
.pagination .dots { color: rgba(26,22,19,.35); padding: 0 4px; font-weight: 700; }
.content-footnote { text-align: center; margin-top: 32px; font-size: 14px; color: rgba(26,22,19,.5); }
.content-footnote a { font-weight: 700; }

/* Full article detail (library detail page) */
.crumb { font-size: 13px; color: rgba(26,22,19,.5); margin-bottom: 14px; }
.crumb a { color: rgba(26,22,19,.5); font-weight: 600; }
.crumb a:hover { color: var(--red); }
.article-title { font-size: clamp(24px,3.4vw,34px); font-weight: 800; color: var(--ink); letter-spacing: -.01em; line-height: 1.35; margin: 0 0 20px; }
.article-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.article-badges span { font-size: 12.5px; font-weight: 600; padding: 6px 12px; border-radius: 100px; background: var(--paper-alt); color: rgba(26,22,19,.6); }
.article-badges span.cat { background: var(--red); color: #fff; }
.grid-detail { display: grid; grid-template-columns: minmax(0,var(--prose)) 280px; gap: 48px; align-items: start; }
.lib-article { font-size: 16px; line-height: 1.85; color: rgba(26,22,19,.8); }
.lib-article h2 { font-size: 21px; font-weight: 800; color: var(--ink); margin: 40px 0 16px; }
.lib-article p { margin: 0 0 18px; }
.lib-article ul, .lib-article ol { margin: 0 0 18px; padding-left: 22px; }
.lib-article li { margin-bottom: 8px; }
.lib-article strong { color: var(--ink); }
.contact-side.sticky { position: sticky; top: 96px; }
.contact-side { background: var(--dark); border-radius: 20px; padding: 28px; color: #fff; }
.contact-side h4 { font-size: 15px; font-weight: 800; margin: 0 0 10px; }
.contact-side p { font-size: 13.5px; line-height: 1.65; color: rgba(255,255,255,.55); margin: 0 0 18px; }
.contact-side .row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.12); font-size: 13.5px; }
.contact-side .row:first-of-type { border-top: none; }
.contact-side .row span:first-child { color: rgba(255,255,255,.4); }
.contact-side .row span:last-child { color: #fff; text-align: right; }
.contact-side .btn-primary { width: 100%; margin-bottom: 14px; }
.lib-pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
.lib-pager a { font-size: 14px; font-weight: 700; color: var(--ink); max-width: 45%; }
.lib-pager a:hover { color: var(--red); }
.lib-pager a.next { text-align: right; margin-left: auto; }

/* Article 상세 — 좌측 목차+카테고리 사이드바 */
.article-toc { flex: 0 0 200px; min-width: 180px; }
.article-toc .inner { position: sticky; top: 96px; }
.article-toc .back { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--red); text-decoration: none; margin-bottom: 28px; }
.article-toc .label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(26,22,19,.4); margin: 0 0 14px; }
.article-toc nav { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.article-toc nav a { font-size: 13px; line-height: 1.5; color: rgba(26,22,19,.6); text-decoration: none; }
.article-toc nav a:hover { color: var(--red); }
.article-toc .cat-link { display: inline-block; font-size: 13px; font-weight: 600; color: rgba(26,22,19,.6); text-decoration: none; }
.article-toc .cat-link:hover { color: var(--red); }

/* Article 상세 — 핵심요약 카드 */
.summary-card { background: var(--paper-alt); border-radius: 20px; padding: 28px 32px; margin-bottom: 44px; }
.summary-card .label { font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--red); margin: 0 0 18px; text-transform: uppercase; }
.summary-card ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.summary-card li { display: flex; gap: 14px; align-items: flex-start; margin: 0; }
.summary-card .n { flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; background: var(--red); color: #fff; font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.summary-card p { font-size: 15px; line-height: 1.65; color: var(--ink); margin: 0; }

/* Article 상세 — 다음 행동 / 출처 / 문의 카드 */
.next-action { background: var(--dark); border-radius: 20px; padding: 32px; margin: 0 0 32px; }
.next-action .label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--red-light); margin: 0 0 14px; }
.next-action p { font-size: 16px; line-height: 1.75; color: rgba(255,255,255,.75); margin: 0; }
.sources-block { border-top: 1px solid var(--line); padding-top: 24px; margin-bottom: 44px; }
.sources-block .label { font-size: 12px; font-weight: 700; color: rgba(26,22,19,.4); margin: 0 0 10px; }
.sources-block ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.sources-block li { font-size: 13px; color: rgba(26,22,19,.5); }
.contact-card { background: var(--paper-alt); border-radius: 20px; padding: 32px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.contact-card h4 { font-size: 16px; font-weight: 800; color: var(--ink); margin: 0 0 6px; }
.contact-card p { font-size: 14px; color: rgba(26,22,19,.6); margin: 0; }
.contact-card .btn-primary { flex: 0 0 auto; white-space: nowrap; }
.back-link { display: block; padding: 20px 0; border-top: 1px solid var(--line); font-size: 14px; font-weight: 700; color: var(--red); text-decoration: none; }

/* Home 히어로 캐러셀 */
.hero-tone-bg { position: absolute; inset: 0; z-index: 0; transition: background 1.2s ease; }
.hero-carousel .slide-pane h1, .hero-carousel .slide-pane p { transition: opacity .35s; }
.hero-carousel .banner-slot { flex: 1 1 460px; min-width: 280px; height: auto; aspect-ratio: 1610 / 977; }
.hero-dots { display: flex; gap: 8px; margin-left: 8px; align-items: center; }
.hero-dots button { width: 8px; height: 8px; border-radius: 100px; border: none; padding: 0; cursor: pointer; background: rgba(255,255,255,.25); transition: all .3s; }
.hero-dots button.active { width: 22px; background: var(--red); }

/* ===== Contact form ===== */
.contact-layout { display: flex; flex-wrap: wrap; gap: 32px; align-items: flex-start; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 40px; display: flex; flex-direction: column; gap: 22px; flex: 1 1 480px; min-width: 280px; }
.contact-form .f-row label { display: block; font-size: 14px; font-weight: 700; color: var(--ink); margin: 0 0 8px; }
.contact-form input[type=text], .contact-form input[type=email], .contact-form input[type=tel], .contact-form select, .contact-form textarea {
  width: 100%; padding: 13px 16px; border-radius: 10px; border: 1px solid rgba(26,22,19,.15); font-size: 15px; font-family: inherit; background: #fff;
}
.contact-form textarea { resize: vertical; }
.f-row-2 { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 18px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-row label { font-size: 14px; font-weight: 600; padding: 10px 18px; border-radius: 100px; cursor: pointer; border: 1px solid rgba(26,22,19,.15); background: #fff; color: rgba(26,22,19,.7); display: inline-flex; align-items: center; gap: 6px; }
.chip-row input[type=checkbox] { accent-color: var(--red); }
.chip-row label:has(input:checked) { border-color: var(--red); background: var(--red); color: #fff; }
.consent { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.consent input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--red); flex: 0 0 auto; }
.consent span { font-size: 13px; line-height: 1.6; color: rgba(26,22,19,.6); }
.contact-form button[type=submit] { width: 100%; padding: 15px 0; border-radius: 100px; font-weight: 700; font-size: 15px; }
#form-msg { font-size: 13.5px; }
#form-msg.ok { color: #1a7a3a; }
#form-msg.err { color: var(--red); }
.contact-aside-dark { background: var(--dark); border-radius: 24px; padding: 32px; display: flex; flex-direction: column; gap: 28px; flex: 1 1 260px; min-width: 260px; max-width: 360px; color: #fff; }
.contact-aside-dark .intro p:first-child { font-size: 14px; font-weight: 800; margin: 0 0 10px; }
.contact-aside-dark .intro p:last-child { font-size: 14px; line-height: 1.65; color: rgba(255,255,255,.55); margin: 0; }
.contact-aside-dark .field { border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; }
.contact-aside-dark .field .k { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 6px; }
.contact-aside-dark .field .v { font-size: 15px; color: #fff; margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .rail-label { flex: 0 0 100%; }
  .rail-label .inner { position: static; }
  .rail-toc { flex: 0 0 100%; order: 3; }
  .rail-toc .inner { position: static; flex-direction: row; flex-wrap: wrap; gap: 14px; }
  .rail-toc .kicker { display: none; }
  .hero-banner .banner-slot { flex-basis: 100%; height: 160px; }
  .hero-carousel .banner-slot { flex-basis: 100%; height: auto; aspect-ratio: 1610 / 977; }
  .article-toc { flex: 0 0 100%; }
  .article-toc .inner { position: static; }
  .article-toc nav { flex-direction: row; flex-wrap: wrap; gap: 12px 18px; }
  /* align-items:flex-start는 데스크톱 가로 배치용 — column으로 바뀌면 자식이 콘텐츠 크기로
     쪼그라드는(shrink-to-fit) 부작용이 생겨 카테고리·아티클 영역 양옆에 불필요한 여백이 생겼다. */
  .content-layout { flex-direction: column; align-items: stretch; }
  /* 카테고리가 20개+로 늘어나면서 flex-wrap:wrap이면 줄바꿈이 계속 생겨 세로공간을
     다 잡아먹고 아티클 영역이 밀려났다. nowrap + overflow-x:auto로 한 줄 가로스크롤로 바꿈.
     데스크톱용 flex:0 0 240px(사이드바 "폭" 지정)가 부모가 column이 되는 모바일에선
     "높이" 240px로 잘못 해석돼 칩이 세로로 늘어나는 부작용이 있어 flex-basis도 auto로 되돌림. */
  .cat-nav { position: static; flex: 0 0 auto; flex-direction: row; flex-wrap: nowrap; align-items: center; width: 100%; overflow-x: auto; gap: 6px; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .cat-nav button, .cat-nav a { flex: 0 0 auto; }
  .cat-nav button, .cat-nav a:not(.btn-primary) { width: auto; white-space: nowrap; }
  .content-main { width: 100%; max-width: none; }
  .cat-nav a.btn-primary { width: 100%; }
  .grid-detail { grid-template-columns: 1fr; }
  .contact-side.sticky { position: static; }
}
@media (max-width: 760px) {
  .hero-dark { padding: 48px 20px 56px; }
  .hero-banner { padding: 40px 20px 32px; }
  section, section.soft, section.on-dark { padding-left: 20px; padding-right: 20px; }
  .logo-grid { grid-template-columns: repeat(auto-fill,minmax(94px,1fr)); gap: 8px; }
  .logo-grid .cell { height: 56px; padding: 8px; }
}