/* =========================================================
   최시준 퍼스널브랜딩 홈페이지 — styles.css
   Palette: Midnight Navy + Warm Paper + Concrete + Safety Orange
   ========================================================= */

:root {
  --navy-950: #0C0C0C;
  --navy-900: #151515;
  --navy-800: #242424;
  --navy-700: #313131;
  --paper: #F8F7F4;
  --paper-tint: #F0EFEA;
  --ink: #121212;
  --concrete: #616160;
  --concrete-soft: #A5A5A0;
  --line: #E4E2DB;
  --line-dark: rgba(255, 255, 255, 0.15);
  --signal: #FF4712;
  --signal-deep: #D93A08;

  --font-sans: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  --radius: 4px;
  --container: 1160px;
  --header-h: 68px;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.72;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: -0.012em;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
section { scroll-margin-top: calc(var(--header-h) + 8px); }

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 860px; }

.accent { color: var(--signal); }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--signal); color: #fff; padding: 10px 18px; z-index: 200;
  font-weight: 700;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 120;
  background: transparent;
}
.progress span {
  display: block; height: 100%; width: 0;
  background: var(--signal);
  transition: width 0.08s linear;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px;
  font-size: 0.95rem; font-weight: 700; letter-spacing: -0.01em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--signal); color: #fff; }
.btn-primary:hover { background: var(--signal-deep); box-shadow: 0 8px 20px rgba(255, 90, 31, 0.28); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.section-dark .btn-ghost, .section-quiz .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

.btn-line { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-line:hover { border-color: var(--signal); color: var(--signal); }
.section-dark .btn-line { color: #fff; border-color: var(--line-dark); }

.btn-sm { padding: 10px 18px; font-size: 0.88rem; }
.btn-wide { width: 100%; padding: 16px; font-size: 1.02rem; }

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(247, 245, 240, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.header.is-scrolled { border-bottom-color: var(--line); }

.header-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}

.logo { display: flex; align-items: center; gap: 11px; }
.logo-mark {
  width: 30px; height: 30px; flex: none;
  background:
    linear-gradient(135deg, var(--navy-900) 0 62%, var(--signal) 62% 100%);
  border-radius: 3px;
}
.logo-text {
  font-weight: 800; font-size: 0.95rem; letter-spacing: 0.10em;
  line-height: 1.15; color: var(--navy-900);
  display: flex; flex-direction: column;
}
.logo-text em {
  font-style: normal; font-weight: 600; letter-spacing: 0.02em;
  font-size: 0.68rem; color: var(--concrete);
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem; letter-spacing: 0.05em;
  padding: 8px 11px; border-radius: 3px;
  color: var(--concrete);
  transition: color 0.15s ease, background 0.15s ease;
}
.nav a:hover { color: var(--navy-900); background: rgba(17, 17, 17, 0.06); }
.nav a.is-active { color: var(--signal); }
.nav a.nav-cta {
  color: #fff; background: var(--navy-900); margin-left: 6px;
}
.nav a.nav-cta:hover { background: var(--signal); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  background: transparent; border: 1px solid var(--line); border-radius: var(--radius);
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--navy-900);
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: calc(var(--header-h) + 76px) 0 64px;
  position: relative;
  background-image:
    linear-gradient(rgba(17, 17, 17, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 17, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 140px;
  background: linear-gradient(transparent, var(--paper));
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 56px; align-items: center;
}

.eyebrow {
  color: var(--signal); font-weight: 600; margin-bottom: 18px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.6vw, 3.55rem);
  font-weight: 800; line-height: 1.22; letter-spacing: -0.035em;
  margin-bottom: 22px;
}
.hero-title .name {
  position: relative; display: inline-block;
}
.hero-title .name::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 6px;
  height: 0.32em; background: rgba(255, 90, 31, 0.22); z-index: -1;
}

.hero-sub {
  font-size: 1.12rem; color: var(--concrete); max-width: 34em; margin-bottom: 34px;
}
.hero-sub strong { color: var(--ink); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.hero-note { color: var(--concrete-soft); }

/* 시그니처: 건물 다이어그램 */
.hero-visual { display: flex; justify-content: center; }
.building {
  width: 100%; max-width: 360px;
  border: 1.5px solid var(--navy-900);
  border-radius: 6px;
  background: #FDFCFA;
  box-shadow: 10px 10px 0 rgba(17, 17, 17, 0.08);
  overflow: hidden;
}
.building-roof {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  background: var(--navy-900); color: rgba(255, 255, 255, 0.85);
}
.building-roof .blink { color: var(--signal); animation: blink 1.6s infinite; font-size: 0.6rem; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.15; } }

.building-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 6px; padding: 12px;
  background:
    linear-gradient(rgba(17,17,17,0.05) 1px, transparent 1px) 0 0 / 100% 22px;
}
.unit {
  min-height: 66px;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 7px 8px 8px;
  font-size: 0.74rem; font-weight: 700; line-height: 1.35;
  display: flex; flex-direction: column; justify-content: flex-end;
  position: relative;
  transition: background 0.5s ease, border-color 0.5s ease, color 0.5s ease;
}
.unit i {
  font-style: normal; font-family: var(--font-mono);
  font-size: 0.6rem; font-weight: 400; color: var(--concrete-soft);
  position: absolute; top: 6px; left: 8px;
}
.unit.is-filled {
  background: var(--navy-900); border-color: var(--navy-900); color: #fff;
}
.unit.is-filled i { color: rgba(255, 255, 255, 0.45); }
.unit.is-vacant {
  color: var(--concrete-soft);
  background: repeating-linear-gradient(45deg, transparent 0 6px, rgba(91, 100, 114, 0.08) 6px 12px);
}
.unit.is-vacant.is-on {
  background: var(--navy-900); border-color: var(--signal); color: #fff;
  box-shadow: inset 3px 0 0 var(--signal);
}
.unit.is-vacant.is-on i { color: var(--signal); }

.building-base {
  padding: 10px 14px;
  border-top: 1.5px solid var(--navy-900);
  color: var(--concrete); background: var(--paper-tint);
  font-size: 0.68rem;
}

/* 신뢰 지표 */
.stats {
  margin-top: 58px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1.5px solid var(--navy-900); border-radius: 6px;
  background: #FDFCFA;
  overflow: hidden;
  position: relative; z-index: 2;
}
.stat {
  padding: 26px 22px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px;
}
.stat:last-child { border-right: 0; }
.stat strong {
  font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1;
  color: var(--navy-900);
}
.stat .plus { color: var(--signal); }
.stat .stat-text { font-size: 1.3rem; padding: 6px 0; }
.stat > span { font-size: 0.88rem; color: var(--concrete); }
.stat-foot { display: block; font-size: 0.7rem; color: var(--concrete-soft); font-style: normal; margin-top: 2px; }

/* ---------- Ticker ---------- */
.ticker {
  background: var(--navy-900);
  overflow: hidden; padding: 13px 0;
  border-top: 1px solid var(--navy-800);
}
.ticker-track {
  display: flex; gap: 44px; width: max-content;
  color: rgba(255, 255, 255, 0.55);
  animation: ticker 36s linear infinite;
  white-space: nowrap;
}
.ticker-track span { position: relative; }
.ticker-track span::after {
  content: "·"; position: absolute; right: -26px; color: var(--signal);
}
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Sections common ---------- */
.section { padding: 110px 0; }
.section-tint { background: var(--paper-tint); }
.section-dark {
  background: var(--navy-900); color: #fff;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 44px 44px;
}
.section-dark .lede { color: var(--concrete-soft); }

.section-head { max-width: 720px; margin-bottom: 54px; }
.section-head h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  font-weight: 800; line-height: 1.3; letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.lede { color: var(--concrete); font-size: 1.05rem; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 01 Problem ---------- */
.p-card {
  border: 1px solid var(--line-dark); border-radius: 6px;
  padding: 26px 24px 28px;
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.p-card:hover { border-color: var(--signal); transform: translateY(-4px); background: rgba(255,255,255,0.05); }
.p-num { color: var(--signal); display: block; margin-bottom: 14px; }
.p-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.02em; }
.p-card p { font-size: 0.94rem; color: var(--concrete-soft); }

.section-close {
  margin-top: 50px; text-align: center;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem); font-weight: 700; letter-spacing: -0.02em;
}
.section-close strong { color: var(--signal); }

/* ---------- 02 About ---------- */
.about-grid {
  display: grid; grid-template-columns: 0.8fr 1.2fr;
  gap: 52px; align-items: start;
  margin-bottom: 72px;
}

.ph {
  position: relative; overflow: hidden; border-radius: 6px;
  border: 1.5px solid var(--navy-900);
  background:
    repeating-linear-gradient(45deg, transparent 0 10px, rgba(17,17,17,0.05) 10px 20px),
    var(--paper-tint);
}
.ph img { width: 100%; height: 100%; object-fit: cover; }
.ph-portrait { aspect-ratio: 4 / 5; }
.ph-wide { aspect-ratio: 16 / 9; }
.ph-label {
  position: absolute; left: 12px; bottom: 12px;
  background: var(--navy-900); color: #fff;
  padding: 5px 10px; border-radius: 3px; font-size: 0.62rem;
}
.ph--empty { display: flex; align-items: center; justify-content: center; }
.about-photo figcaption { margin-top: 12px; color: var(--concrete); }

.about-copy p { margin-bottom: 20px; color: var(--concrete); font-size: 1.02rem; }
.about-copy p strong { color: var(--ink); font-weight: 700; }

.quote {
  margin-top: 30px; padding: 28px 30px;
  border-left: 4px solid var(--signal);
  background: var(--paper-tint); border-radius: 0 6px 6px 0;
  font-size: 1.22rem; font-weight: 700; line-height: 1.6; letter-spacing: -0.02em;
  color: var(--navy-900);
}
.quote cite { display: block; margin-top: 14px; font-style: normal; color: var(--concrete); }

/* Timeline */
.timeline {
  border-top: 1.5px solid var(--navy-900);
  margin-bottom: 64px;
}
.timeline li {
  display: grid; grid-template-columns: 130px 1fr; gap: 28px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 0.15s ease;
}
.timeline li:hover { background: rgba(17, 17, 17, 0.025); }
.tl-year { color: var(--signal); font-weight: 600; padding-top: 4px; }
.timeline h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 5px; letter-spacing: -0.02em; }
.timeline p { color: var(--concrete); font-size: 0.94rem; }

.snaps { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---------- 03 Expertise ---------- */
.x-card {
  background: #FDFCFA;
  border: 1px solid var(--line); border-radius: 6px;
  padding: 28px 26px 24px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.x-card:hover {
  transform: translateY(-5px);
  border-color: var(--navy-900);
  box-shadow: 7px 7px 0 rgba(17, 17, 17, 0.08);
}
.x-num { color: var(--signal); }
.x-card h3 { font-size: 1.16rem; font-weight: 700; letter-spacing: -0.02em; }
.x-card p { color: var(--concrete); font-size: 0.94rem; flex: 1; }
.x-tags { color: var(--concrete-soft); border-top: 1px solid var(--line); padding-top: 12px; }

/* ---------- 04 Brands ---------- */
.b-card {
  border: 1px solid var(--line-dark); border-radius: 6px;
  padding: 28px 26px;
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.b-card:hover { border-color: var(--signal); transform: translateY(-4px); }
.b-en { color: var(--signal); margin-bottom: 8px; }
.b-card h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
.b-desc { font-size: 0.93rem; color: var(--concrete-soft); margin-bottom: 16px; min-height: 5.4em; }
.b-role {
  font-size: 0.87rem; color: rgba(255,255,255,0.85);
  padding: 10px 0; border-top: 1px solid var(--line-dark);
}
.b-role .mono { color: var(--signal); margin-right: 8px; }
.b-tags { color: var(--concrete-soft); }
.b-foot { margin-top: 34px; color: var(--concrete-soft); }

/* ---------- 05 Case Studies ---------- */
.case-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.case-tab {
  padding: 11px 18px;
  background: transparent; border: 1.5px solid var(--line); border-radius: 999px;
  font-size: 0.9rem; font-weight: 700; color: var(--concrete);
  transition: all 0.18s ease;
}
.case-tab:hover { border-color: var(--navy-900); color: var(--navy-900); }
.case-tab.is-active { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }

.case-panel {
  border: 1.5px solid var(--navy-900); border-radius: 6px;
  background: #FDFCFA;
  padding: 34px 34px 26px;
  box-shadow: 8px 8px 0 rgba(17, 17, 17, 0.07);
}
.case-title {
  font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 26px;
}
.case-title .arrow { color: var(--signal); padding: 0 6px; }

.bsa { display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: 16px; }
.bsa-col {
  border-radius: 5px; padding: 20px 18px;
  font-size: 0.93rem; line-height: 1.65;
}
.bsa-col .mono { display: block; margin-bottom: 10px; font-weight: 700; }
.bsa-before { background: var(--paper-tint); color: var(--concrete); }
.bsa-before .mono { color: var(--concrete-soft); }
.bsa-strategy { background: var(--navy-900); color: rgba(255,255,255,0.92); }
.bsa-strategy .mono { color: var(--signal); }
.bsa-after { background: rgba(255, 90, 31, 0.09); color: var(--ink); border: 1px solid rgba(255, 90, 31, 0.35); }
.bsa-after .mono { color: var(--signal-deep); }

.case-note { margin-top: 18px; color: var(--concrete-soft); }

/* ---------- 06 Services ---------- */
.svc-list { display: flex; flex-direction: column; gap: 14px; }
.svc {
  display: grid; grid-template-columns: 90px 1fr auto;
  gap: 26px; align-items: center;
  background: #FDFCFA;
  border: 1px solid var(--line); border-radius: 6px;
  padding: 28px 30px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.svc:hover { border-color: var(--navy-900); box-shadow: 7px 7px 0 rgba(17,17,17,0.07); transform: translateY(-3px); }
.svc-num { color: var(--signal); font-size: 1rem; font-weight: 600; }
.svc h3 { font-size: 1.22rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 5px; }
.svc-for { color: var(--concrete-soft); margin-bottom: 9px; }
.svc-body > p:last-child { color: var(--concrete); font-size: 0.95rem; max-width: 46em; }

/* ---------- 07 Media & Press ---------- */
.press-card {
  border: 1px solid var(--line-dark); border-radius: 6px;
  padding: 26px 24px;
  background: rgba(255, 255, 255, 0.03);
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.press-card:hover { border-color: var(--signal); transform: translateY(-4px); }
.press-src { color: var(--signal); }
.press-card h3 { font-size: 1.08rem; font-weight: 700; line-height: 1.5; letter-spacing: -0.02em; }
.press-card h3 a:hover { color: var(--signal); }
.press-card > p { font-size: 0.9rem; color: var(--concrete-soft); flex: 1; }
.press-go { color: rgba(255, 255, 255, 0.7); }

.channels { margin-top: 46px; border-top: 1px solid var(--line-dark); padding-top: 30px; }
.channels-label { color: var(--concrete-soft); margin-bottom: 16px; }
.channels-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 10px 18px;
  border: 1px solid var(--line-dark); border-radius: 999px;
  font-size: 0.88rem; font-weight: 600; color: rgba(255,255,255,0.88);
  transition: all 0.18s ease;
}
.chip:hover { border-color: var(--signal); color: var(--signal); }
.chip-soon { opacity: 0.45; pointer-events: none; }

/* ---------- 08 Insights ---------- */
.in-card {
  background: #FDFCFA;
  border: 1px solid var(--line); border-radius: 6px;
  padding: 28px 26px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.in-card:hover { transform: translateY(-5px); border-color: var(--navy-900); box-shadow: 7px 7px 0 rgba(17,17,17,0.08); }
.in-tag { color: var(--signal); }
.in-card h3 { font-size: 1.14rem; font-weight: 700; line-height: 1.5; letter-spacing: -0.02em; }
.in-card p { color: var(--concrete); font-size: 0.93rem; flex: 1; }
.in-soon {
  align-self: flex-start;
  color: var(--concrete-soft); border: 1px dashed var(--line);
  padding: 5px 12px; border-radius: 999px;
}

/* ---------- 09 자가진단 ---------- */
.section-quiz {
  background: var(--navy-900); color: #fff;
  background-image: radial-gradient(rgba(255, 90, 31, 0.14) 1px, transparent 1px);
  background-size: 26px 26px;
}
.quiz-box {
  max-width: 760px; margin: 0 auto;
  border: 1.5px solid var(--signal); border-radius: 8px;
  background: var(--navy-950);
  padding: 46px 46px 42px;
  box-shadow: 10px 10px 0 rgba(255, 90, 31, 0.15);
}
.quiz-head { text-align: center; margin-bottom: 34px; }
.quiz-head h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 10px; }
.quiz-head .lede { color: var(--concrete-soft); }

.quiz-progress { color: var(--signal); margin-bottom: 14px; }
.quiz-q { font-size: 1.25rem; font-weight: 700; margin-bottom: 22px; letter-spacing: -0.02em; }
.quiz-opts { display: flex; flex-direction: column; gap: 10px; }
.quiz-opt {
  text-align: left;
  padding: 15px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-dark); border-radius: 5px;
  color: rgba(255,255,255,0.9); font-size: 0.98rem; font-weight: 600;
  transition: all 0.15s ease;
}
.quiz-opt:hover { border-color: var(--signal); background: rgba(255, 90, 31, 0.1); transform: translateX(4px); }

.quiz-score { color: var(--signal); margin-bottom: 10px; }
#quizResult h3 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
#quizResult > p { color: var(--concrete-soft); font-size: 1rem; }
.quiz-disclaimer { margin-top: 18px; color: var(--concrete-soft); opacity: 0.8; }
.quiz-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---------- 10 Community board ---------- */
.board {
  border: 1.5px solid var(--navy-900); border-radius: 6px;
  background: #FDFCFA;
  padding: 26px 28px 30px;
  box-shadow: 8px 8px 0 rgba(17, 17, 17, 0.07);
}
.board-toolbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  flex-wrap: wrap; margin-bottom: 18px;
}
.board-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.f-chip {
  padding: 8px 15px;
  border: 1px solid var(--line); border-radius: 999px;
  background: transparent; font-size: 0.85rem; font-weight: 700; color: var(--concrete);
  transition: all 0.15s ease;
}
.f-chip:hover { border-color: var(--navy-900); color: var(--navy-900); }
.f-chip.is-active { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }

.board-form {
  border: 1px dashed var(--concrete-soft); border-radius: 6px;
  padding: 22px; margin-bottom: 22px;
  background: var(--paper-tint);
  display: flex; flex-direction: column; gap: 14px;
}
.board-form label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 0.85rem; font-weight: 700; color: var(--concrete);
}
.board-form input, .board-form select, .board-form textarea,
.contact-form input, .contact-form select, .contact-form textarea {
  font-family: inherit; font-size: 0.97rem;
  padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 4px;
  background: #fff; color: var(--ink);
  transition: border-color 0.15s ease;
}
.board-form textarea, .contact-form textarea { resize: vertical; }
.board-form :is(input, select, textarea):focus,
.contact-form :is(input, select, textarea):focus {
  outline: none; border-color: var(--signal);
}
.bf-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.bf-actions { display: flex; gap: 10px; }

.board-mode { color: var(--concrete-soft); margin-bottom: 14px; }

.board-list { display: flex; flex-direction: column; }
.post { border-top: 1px solid var(--line); }
.post:last-child { border-bottom: 1px solid var(--line); }
.post-head {
  width: 100%; background: transparent; border: 0;
  display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center;
  padding: 16px 6px; text-align: left;
  transition: background 0.15s ease;
}
.post-head:hover { background: rgba(17, 17, 17, 0.03); }
.post-cat {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.04em;
  color: var(--signal); border: 1px solid rgba(255, 90, 31, 0.4);
  padding: 4px 9px; border-radius: 999px; white-space: nowrap;
}
.post-title { font-size: 0.99rem; font-weight: 700; color: var(--ink); letter-spacing: -0.015em; }
.post-meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--concrete-soft); white-space: nowrap; }
.post-body {
  display: none;
  padding: 4px 8px 20px 8px;
  color: var(--concrete); font-size: 0.95rem; white-space: pre-wrap;
}
.post.is-open .post-body { display: block; }
.post-del {
  margin-top: 14px;
  background: transparent; border: 1px solid var(--line); border-radius: 4px;
  font-size: 0.75rem; color: var(--concrete-soft); padding: 6px 12px;
}
.post-del:hover { border-color: #C0392B; color: #C0392B; }
.board-empty { padding: 34px 0; text-align: center; color: var(--concrete-soft); }

.community-join {
  margin-top: 26px;
  border: 1.5px solid var(--navy-900); border-radius: 6px;
  background: var(--navy-900); color: #fff;
  padding: 28px 30px;
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.community-join h3 { font-size: 1.18rem; font-weight: 800; margin-bottom: 6px; letter-spacing: -0.02em; }
.community-join p { color: var(--concrete-soft); font-size: 0.94rem; }

/* ---------- 11 FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #FDFCFA;
  border: 1px solid var(--line); border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item[open] { border-color: var(--navy-900); }
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 19px 52px 19px 22px;
  font-weight: 700; font-size: 1.02rem; letter-spacing: -0.015em;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 1.2rem; color: var(--signal);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 22px 22px; color: var(--concrete); font-size: 0.96rem; }

/* ---------- 12 Contact ---------- */
.section-contact .section-head { max-width: 780px; }
.contact-grid {
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 40px; align-items: start;
}
.contact-form {
  background: var(--navy-950);
  border: 1px solid var(--line-dark); border-radius: 8px;
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.cf-label {
  display: flex; flex-direction: column; gap: 7px;
  font-size: 0.85rem; font-weight: 700; color: var(--concrete-soft);
}
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form select, .contact-form textarea {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line-dark);
  color: #fff;
}
.contact-form select option { color: var(--ink); }
.contact-form ::placeholder { color: rgba(255, 255, 255, 0.35); }
.cf-note { color: var(--concrete-soft); opacity: 0.85; }

.contact-info { display: flex; flex-direction: column; gap: 4px; }
.ci-item {
  display: flex; flex-direction: column; gap: 3px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 1.02rem; font-weight: 600;
}
.ci-item .mono { color: var(--signal); font-size: 0.68rem; }
.ci-item a:hover { color: var(--signal); }
.ci-hours { padding: 20px 4px 0; }
.ci-hours .mono { color: var(--concrete-soft); margin-bottom: 8px; }
.ci-hours p:last-child { font-size: 0.92rem; color: var(--concrete-soft); }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-950); color: rgba(255, 255, 255, 0.85);
  padding: 64px 0 34px;
  border-top: 1px solid var(--navy-800);
}
.footer-inner {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-logo { font-weight: 800; letter-spacing: 0.12em; font-size: 1.1rem; margin-bottom: 12px; }
.footer-brand p:last-child { color: var(--concrete-soft); font-size: 0.92rem; }

.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-nav .mono { color: var(--signal); margin-bottom: 14px; }
.footer-nav a {
  display: block; padding: 4px 0;
  color: var(--concrete-soft); font-size: 0.9rem;
  transition: color 0.15s ease;
}
.footer-nav a:hover { color: #fff; }

.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding-top: 26px;
  color: var(--concrete-soft); opacity: 0.75;
}

/* ---------- Floating ---------- */
.float-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  background: var(--signal); color: #fff;
  padding: 14px 22px; border-radius: 999px;
  font-weight: 800; font-size: 0.92rem;
  box-shadow: 0 10px 26px rgba(255, 90, 31, 0.4);
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
}
.float-cta.is-show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.float-cta:hover { background: var(--signal-deep); }

.to-top {
  position: fixed; right: 22px; bottom: 84px; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy-900); color: #fff; border: 1px solid var(--line-dark);
  font-size: 1rem;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
}
.to-top.is-show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { background: var(--signal); }

/* ---------- Reveal animation ---------- */
/* 등장 애니메이션 — JS 성공 시(body.js-anim)에만 숨김 상태 적용.
   JS가 로드되지 않아도 콘텐츠는 항상 보입니다. */
.reveal { transition: opacity 0.6s ease, transform 0.6s ease; }
body.js-anim .reveal { opacity: 0; transform: translateY(22px); }
.reveal.is-in { opacity: 1 !important; transform: translateY(0) !important; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { order: -1; }
  .building { max-width: 420px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .ph-portrait { max-width: 380px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 78px 0; }
  body { font-size: 16px; }

  .nav {
    position: fixed; top: var(--header-h); right: 0; left: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 20px 20px;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav a { padding: 13px 8px; font-size: 0.92rem; border-bottom: 1px solid var(--line); }
  .nav a.nav-cta { margin: 12px 0 0; text-align: center; border-bottom: 0; }
  .nav-toggle { display: flex; }

  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .bsa { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; gap: 14px; padding: 24px 22px; }
  .svc .btn { justify-self: start; }
  .bf-row { grid-template-columns: 1fr; }
  .cf-row { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; padding: 20px 4px; }
  .snaps { grid-template-columns: 1fr; }
  .quiz-box { padding: 32px 24px; }
  .post-head { grid-template-columns: auto 1fr; }
  .post-meta { grid-column: 1 / -1; padding-left: 2px; }
  .community-join { flex-direction: column; align-items: flex-start; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .float-cta { right: 16px; bottom: 16px; padding: 12px 18px; }
  .to-top { right: 16px; bottom: 72px; }
}

@media (max-width: 480px) {
  .hero { padding-top: calc(var(--header-h) + 48px); }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .hero-cta .btn { width: 100%; }
  .quiz-actions .btn { width: 100%; }
  .case-panel { padding: 24px 20px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .ticker-track { animation: none; }
  .building-roof .blink { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- Print ---------- */
@media print {
  .header, .float-cta, .to-top, .progress, .ticker, .nav-toggle { display: none !important; }
  .section { padding: 30px 0; }
  body { background: #fff; }
}

/* =========================================================
   MULTI-PAGE ADDITIONS
   ========================================================= */

/* ---------- Page hero (서브페이지 상단) ---------- */
.page-hero {
  background: var(--navy-900); color: #fff;
  padding: calc(var(--header-h) + 84px) 0 74px;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  border-bottom: 1px solid var(--navy-800);
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  font-weight: 800; line-height: 1.25; letter-spacing: -0.035em;
  margin: 14px 0 18px;
}
.page-hero .lede { color: var(--concrete-soft); max-width: 700px; }
.page-hero .stats { border-color: var(--line-dark); max-width: 880px; }
.page-hero .stat { border-color: var(--line-dark); }
.page-hero .stat-num { color: #fff; }
.page-hero .stat-label { color: var(--concrete-soft); }

/* ---------- Directory cards (index) ---------- */
.dir-grid { gap: 18px; }
.dir-card {
  display: flex; flex-direction: column; gap: 10px;
  border: 1px solid var(--line-dark); border-radius: 6px;
  padding: 26px 24px;
  background: rgba(255,255,255,0.03);
  color: #fff;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.dir-card:hover { border-color: var(--signal); transform: translateY(-5px); background: rgba(255,255,255,0.05); }
.dir-num { color: var(--signal); }
.dir-card h3 { font-size: 1.12rem; font-weight: 800; letter-spacing: -0.02em; }
.dir-card p { font-size: 0.9rem; color: var(--concrete-soft); flex: 1; }
.dir-go { color: rgba(255,255,255,0.7); }
.dir-card:hover .dir-go { color: var(--signal); }

/* ---------- Flagship (brands) ---------- */
.flagship {
  border: 1.5px solid var(--navy-900); border-radius: 8px;
  background: #FDFCFA;
  padding: 42px 42px 38px;
  box-shadow: 10px 10px 0 rgba(17,17,17,0.07);
}
.flagship-head { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 40px; align-items: start; }
.flagship-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; margin: 10px 0 14px; }
.flagship-stats { display: flex; flex-direction: column; border-top: 1.5px solid var(--navy-900); }
.flagship-stats > div { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding: 16px 4px; border-bottom: 1px solid var(--line); }
.flagship-stats .stat-num { font-size: 1.7rem; }
.flagship-stats .stat-num small { font-size: 0.85rem; font-weight: 700; margin-left: 2px; }
.flagship-stats .mono { font-size: 0.68rem; color: var(--concrete); }

/* ---------- Process steps (cases) ---------- */
.process {
  list-style: none; counter-reset: step;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.process li {
  border: 1px solid var(--line-dark); border-radius: 6px;
  background: rgba(255,255,255,0.03);
  padding: 24px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.process li:hover { border-color: var(--signal); transform: translateY(-4px); }
.process li .mono { color: var(--signal); display: block; margin-bottom: 12px; }
.process h3 { font-size: 1.1rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
.process p { font-size: 0.92rem; color: var(--concrete-soft); }

.case-point {
  margin-top: 18px; padding: 14px 18px;
  background: var(--paper-tint); border-left: 3px solid var(--signal); border-radius: 0 5px 5px 0;
  font-size: 0.94rem; color: var(--ink);
}
.case-point .mono { color: var(--signal-deep); margin-right: 10px; font-weight: 700; }

/* ---------- References ---------- */
.ref-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ref-card {
  border: 1px solid var(--line); border-radius: 6px;
  background: #FDFCFA; overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.ref-card:hover { transform: translateY(-5px); border-color: var(--navy-900); box-shadow: 7px 7px 0 rgba(17,17,17,0.08); }
.ref-thumb {
  aspect-ratio: 16 / 9; overflow: hidden;
  background:
    repeating-linear-gradient(45deg, transparent 0 10px, rgba(17,17,17,0.05) 10px 20px),
    var(--paper-tint);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--line);
}
.ref-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ref-thumb .mono { color: var(--concrete-soft); font-size: 0.66rem; }
.ref-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.ref-meta { display: flex; align-items: center; gap: 10px; }
.ref-cat {
  font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.05em;
  color: var(--signal-deep); border: 1px solid rgba(255,90,31,0.4);
  padding: 3px 9px; border-radius: 999px;
}
.ref-year { font-family: var(--font-mono); font-size: 0.72rem; color: var(--concrete-soft); }
.ref-card h3 { font-size: 1.04rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.45; }
.ref-card .ref-desc { font-size: 0.9rem; color: var(--concrete); flex: 1; }
.ref-link { font-family: var(--font-mono); font-size: 0.72rem; color: var(--signal-deep); }
.ref-link:hover { text-decoration: underline; }
.ref-del {
  align-self: flex-start;
  background: transparent; border: 1px solid var(--line); border-radius: 4px;
  font-size: 0.7rem; color: var(--concrete-soft); padding: 5px 10px; margin-top: 4px;
}
.ref-del:hover { border-color: #C0392B; color: #C0392B; }
.ref-preview { max-width: 260px; border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.ref-preview img { display: block; width: 100%; }

/* ---------- Comments (community) ---------- */
.comments { border-top: 1px dashed var(--line); margin-top: 16px; padding-top: 14px; }
.comments-title { font-family: var(--font-mono); font-size: 0.7rem; color: var(--concrete-soft); margin-bottom: 10px; letter-spacing: 0.05em; }
.comment { padding: 10px 0 10px 14px; border-left: 2px solid var(--line); margin-bottom: 8px; }
.comment.is-owner { border-left-color: var(--signal); background: rgba(255,90,31,0.05); border-radius: 0 5px 5px 0; padding-right: 10px; }
.comment-head { display: flex; gap: 10px; align-items: baseline; margin-bottom: 3px; }
.comment-author { font-size: 0.83rem; font-weight: 700; color: var(--ink); }
.comment.is-owner .comment-author::after { content: " · 운영자"; color: var(--signal-deep); font-size: 0.7rem; }
.comment-date { font-family: var(--font-mono); font-size: 0.66rem; color: var(--concrete-soft); }
.comment-text { font-size: 0.9rem; color: var(--concrete); white-space: pre-wrap; }
.comment-form { display: grid; grid-template-columns: 130px 1fr auto; gap: 8px; margin-top: 10px; }
.comment-form input, .comment-form textarea {
  font-family: inherit; font-size: 0.88rem; padding: 9px 11px;
  border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--ink);
}
.comment-form textarea { resize: vertical; min-height: 40px; }
.comment-form :is(input, textarea):focus { outline: none; border-color: var(--signal); }

/* ---------- Columns (media) ---------- */
.col-item summary { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.col-item .in-tag { flex-shrink: 0; }
.col-body { padding: 2px 22px 24px; }
.col-body p { color: var(--concrete); font-size: 0.98rem; margin-bottom: 14px; line-height: 1.85; }
.col-body p:last-child { margin-bottom: 0; }

/* ---------- Multi-page responsive ---------- */
@media (max-width: 1024px) {
  .ref-grid { grid-template-columns: 1fr 1fr; }
  .flagship-head { grid-template-columns: 1fr; gap: 26px; }
  .process { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .page-hero { padding: calc(var(--header-h) + 56px) 0 54px; }
  .ref-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .flagship { padding: 28px 22px; }
  .comment-form { grid-template-columns: 1fr; }
  .dir-grid { grid-template-columns: 1fr; }
}

/* 공실 → 수익공간 전환 상태 */
.unit.is-converted {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
  font-weight: 700;
  animation: unitPop 0.5s ease;
}
.unit.is-converted i { color: rgba(255,255,255,0.75); }
@keyframes unitPop {
  0% { transform: scale(0.85); }
  60% { transform: scale(1.06); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .unit.is-converted { animation: none; }
}

/* =========================================================
   BRAND MOTIF & v3 ADDITIONS (소개서 톤 반영)
   ========================================================= */

/* 소개서의 오렌지 더블바 모티프 — 섹션/페이지 헤드 상단 */
.section-head .eyebrow::before,
.page-hero .eyebrow::before {
  content: '';
  display: block;
  width: 64px; height: 15px;
  margin-bottom: 16px;
  background-image:
    linear-gradient(var(--signal), var(--signal)),
    linear-gradient(var(--signal), var(--signal));
  background-size: 64px 6px, 42px 6px;
  background-position: 0 0, 0 9px;
  background-repeat: no-repeat;
  border-radius: 3px;
}

/* 내비 8항목 대응 — 살짝 컴팩트하게 */
@media (min-width: 901px) {
  .nav { gap: 22px; }
  .nav a { font-size: 0.86rem; }
}

/* 경력 리스트 (about) */
.career { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 40px; margin-top: 30px; }
.career-col { border-top: 2px solid var(--ink); padding-top: 18px; }
.career-col > .mono { color: var(--signal-deep); font-size: 0.72rem; letter-spacing: 0.08em; }
.career-col ul { list-style: none; margin-top: 14px; }
.career-col li {
  font-size: 0.95rem; color: var(--ink);
  padding: 9px 0 9px 16px; border-bottom: 1px dashed var(--line);
  position: relative;
}
.career-col li::before {
  content: ''; position: absolute; left: 0; top: 17px;
  width: 6px; height: 6px; background: var(--signal); border-radius: 1px;
}
.career-col li small { display: block; color: var(--concrete); font-size: 0.8rem; margin-top: 2px; }

/* 강의처 태그 클라우드 */
.tagcloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tagcloud span {
  font-size: 0.82rem; color: var(--ink);
  border: 1px solid var(--line); background: #fff;
  padding: 7px 13px; border-radius: 999px;
}
.tagcloud-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--signal-deep); letter-spacing: 0.08em; margin-top: 26px; }
.section-dark .tagcloud span { background: rgba(255,255,255,0.04); border-color: var(--line-dark); color: #EDEDEA; }
.section-dark .tagcloud-label { color: var(--signal); }

/* 미디어 카드 썸네일 */
.press-thumb {
  margin: -26px -26px 16px; /* press-card 패딩 상쇄 */
  aspect-ratio: 16 / 9; overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  background: #000;
}
.press-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* 넓은 사진 피겨 (강의 등) */
.photo-wide { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin: 34px 0 10px; }
.photo-wide img { display: block; width: 100%; }
.photo-wide figcaption { padding: 12px 16px; font-family: var(--font-mono); font-size: 0.7rem; color: var(--concrete); border-top: 1px solid var(--line); background: #fff; }
.section-dark .photo-wide { border-color: var(--line-dark); }
.section-dark .photo-wide figcaption { background: rgba(255,255,255,0.04); color: var(--concrete-soft); border-color: var(--line-dark); }

/* 플래그십 내 지도 피겨 */
.flagship .photo-wide { margin-top: 30px; }

/* 문의 aside 일러스트 */
.ci-illust { margin: 0 0 8px; text-align: center; }
.ci-illust img { max-width: 150px; mix-blend-mode: multiply; }

@media (max-width: 768px) {
  .career { grid-template-columns: 1fr; }
}

/* =========================================================
   EBOOK STORE & PERSONAL SNS
   ========================================================= */
.book-grid { display: grid; grid-template-columns: 1fr; gap: 26px; }
.book-card {
  display: grid; grid-template-columns: 240px 1fr; gap: 32px;
  border: 1px solid var(--line); border-radius: 8px; background: #FDFCFA;
  padding: 30px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.book-card:hover { border-color: var(--ink); box-shadow: 9px 9px 0 rgba(17,17,17,0.08); transform: translateY(-4px); }
.book-cover {
  aspect-ratio: 3 / 4; border-radius: 4px;
  background:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(160deg, var(--signal) 0%, var(--signal-deep) 100%);
  background-size: 26px 26px, 26px 26px, cover;
  color: #fff;
  display: flex; flex-direction: column; padding: 20px;
  box-shadow: inset -14px 0 22px rgba(0,0,0,0.18), 6px 8px 20px rgba(17,17,17,0.22);
  position: relative;
}
.book-cover.bc-alt  { background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(160deg, #2B2B2B 0%, #101010 100%); }
.book-cover.bc-alt strong, .book-cover.bc-alt .bc-sub { color: #fff; }
.book-cover.bc-alt .bc-tag { color: var(--signal); border-color: rgba(255,71,18,0.6); }
.book-cover.bc-dark { background-image: linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px), linear-gradient(160deg, #FFFFFF 0%, #EDEBE4 100%); color: var(--ink); box-shadow: inset -14px 0 22px rgba(0,0,0,0.07), 6px 8px 20px rgba(17,17,17,0.16); border: 1px solid var(--line); }
.book-cover.bc-dark .bc-tag { color: var(--signal-deep); border-color: rgba(255,71,18,0.5); }
.book-cover.bc-dark .bc-author { color: var(--concrete); }
.bc-tag { font-size: 0.6rem; letter-spacing: 0.12em; border: 1px solid rgba(255,255,255,0.55); border-radius: 999px; padding: 4px 10px; align-self: flex-start; }
.book-cover strong { font-size: 1.7rem; font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; margin-top: auto; }
.bc-sub { font-size: 0.8rem; opacity: 0.92; margin-top: 8px; }
.bc-author { font-size: 0.62rem; letter-spacing: 0.2em; margin-top: 18px; opacity: 0.85; }
.book-body { display: flex; flex-direction: column; }
.book-for { color: var(--signal-deep); font-size: 0.7rem; letter-spacing: 0.08em; }
.book-body h3 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.025em; margin: 10px 0 12px; }
.book-desc { color: var(--concrete); line-height: 1.8; }
.book-toc { margin-top: 16px; border: 1px dashed var(--line); border-radius: 6px; }
.book-toc summary { cursor: pointer; padding: 12px 16px; color: var(--signal-deep); font-size: 0.72rem; letter-spacing: 0.08em; list-style: none; }
.book-toc summary::-webkit-details-marker { display: none; }
.book-toc summary::before { content: '+ '; }
.book-toc[open] summary::before { content: '– '; }
.book-toc ul { list-style: none; padding: 0 18px 16px; }
.book-toc li { font-size: 0.92rem; color: var(--ink); padding: 7px 0; border-top: 1px dashed var(--line); }
.book-actions { margin-top: auto; padding-top: 20px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.book-price { color: var(--concrete-soft); font-size: 0.72rem; }

/* 개인 SNS 소셜 라인 (index hero) */
.social-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.social-row .mono { color: var(--concrete-soft); font-size: 0.66rem; letter-spacing: 0.12em; margin-right: 4px; }
.social-row a {
  font-family: var(--font-mono); font-size: 0.72rem; color: #EDEDEA;
  border: 1px solid var(--line-dark); border-radius: 999px; padding: 7px 14px;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.social-row a:hover { border-color: var(--signal); color: var(--signal); background: rgba(255,71,18,0.08); }

/* 메인 디렉터리 3×3 정렬 */
.dir-grid { grid-template-columns: repeat(3, 1fr); }

/* 푸터 4컬럼 */
.footer-nav { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .dir-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .book-card { grid-template-columns: 1fr; }
  .book-cover { max-width: 230px; }
  .dir-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   MOBILE UX OVERHAUL — 터치 최적화 · 가독성 · 내비게이션
   ========================================================= */
* { -webkit-tap-highlight-color: rgba(255,71,18,0.12); }
body.nav-locked { overflow: hidden; }

/* ---------- 비즈니스 링크 카드 (전 해상도) ---------- */
.biz-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.biz-card {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: #FDFCFA; border: 1px solid var(--line); border-left: 4px solid var(--signal);
  border-radius: 6px; padding: 20px 22px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.biz-card:hover { transform: translateX(4px); border-color: var(--ink); border-left-color: var(--signal); box-shadow: 6px 6px 0 rgba(17,17,17,0.07); }
.biz-card h3 { font-size: 1.05rem; font-weight: 800; letter-spacing: -0.02em; }
.biz-card p { font-size: 0.85rem; color: var(--concrete); margin-top: 4px; }
.biz-card .mono { font-size: 0.66rem; color: var(--signal-deep); display: block; margin-bottom: 6px; letter-spacing: 0.08em; }
.biz-go { font-size: 1.3rem; color: var(--signal); flex-shrink: 0; font-weight: 700; }

/* ---------- 가로 스크롤 칩 (탭·필터) 공통 헬퍼 ---------- */
@media (max-width: 768px) {
  .case-tabs, .board-filters {
    flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity; scrollbar-width: none;
    margin-left: -24px; margin-right: -24px; padding: 2px 24px 10px;
  }
  .case-tabs::-webkit-scrollbar, .board-filters::-webkit-scrollbar { display: none; }
  .case-tabs > *, .board-filters > * { flex: 0 0 auto; scroll-snap-align: center; }
  .board-toolbar { flex-direction: column; align-items: stretch; gap: 12px; }
  .board-toolbar .btn { width: 100%; text-align: center; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 34px; }
  .section-head h2 { font-size: clamp(1.45rem, 6vw, 1.9rem); }
  .lede { font-size: 0.98rem; }

  /* 버튼: 엄지 존 최적화 */
  .btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; }
  .hero-cta { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-cta .btn { width: 100%; }
  .quiz-actions { flex-direction: column; align-items: stretch; }
  .quiz-actions .btn { width: 100%; }
  .quiz-opt { padding: 16px 18px; font-size: 0.95rem; }
  .quiz-opt:hover { transform: none; }

  /* 히어로 */
  .hero { padding-top: calc(var(--header-h) + 46px); }
  .hero-title { font-size: clamp(1.85rem, 8.2vw, 2.4rem); }
  .hero-sub { font-size: 0.98rem; }
  .br-pc { display: none; }
  .hero-visual { margin-top: 6px; }
  .building { max-width: 100%; }
  .unit { min-height: 46px; font-size: 0.66rem; }
  .unit i { font-size: 0.56rem; }
  .building-base { font-size: 0.56rem; letter-spacing: 0.06em; }
  .social-row { justify-content: flex-start; }
  .social-row a { padding: 9px 15px; }

  /* 지표: 심리스 2×2 그리드 */
  .stats {
    grid-template-columns: 1fr 1fr; gap: 1px;
    background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  }
  .stat { background: var(--paper); border: 0 !important; padding: 16px 14px; }
  .stat-num { font-size: 1.5rem; }
  .page-hero .stats { background: var(--line-dark); border-color: var(--line-dark); }
  .page-hero .stat { background: var(--navy-900); }

  /* 서브페이지 히어로 */
  .page-hero h1 { font-size: clamp(1.55rem, 7vw, 2.1rem); }
  .page-hero .lede { font-size: 0.95rem; }

  /* 게시글 행: 2단 재배치 */
  .post-head { grid-template-columns: auto 1fr; row-gap: 6px; padding: 15px 4px; }
  .post-title { font-size: 0.98rem; line-height: 1.5; }
  .post-meta { grid-column: 1 / -1; font-size: 0.64rem; }

  /* 카드류 여백 압축 */
  .x-card, .p-card, .b-card, .dir-card, .in-card, .press-card { padding: 22px 20px; }
  .flagship { padding: 24px 18px; }
  .flagship-head h2 { font-size: 1.6rem; }
  .photo-wide { margin: 24px 0 6px; }
  .tagcloud span { font-size: 0.78rem; padding: 6px 11px; }
  .career-col li { font-size: 0.9rem; }

  /* 전자책 */
  .book-card { padding: 22px 18px; gap: 20px; }
  .book-cover { max-width: 210px; margin: 0 auto; }
  .book-body h3 { font-size: 1.18rem; }
  .book-actions { flex-direction: column; align-items: stretch; }
  .book-actions .btn { width: 100%; }
  .book-price { text-align: center; }

  /* 비즈니스 링크 1열 */
  .biz-grid { grid-template-columns: 1fr; }

  /* 플로팅 CTA → 하단 바 (엄지 존 + 세이프에어리어) */
  .float-cta {
    left: 16px; right: 16px; bottom: calc(14px + env(safe-area-inset-bottom, 0px));
    border-radius: 12px; text-align: center; padding: 15px 20px; font-size: 0.95rem;
    box-shadow: 0 12px 30px rgba(255, 71, 18, 0.45);
  }
  .to-top { right: 16px; bottom: calc(78px + env(safe-area-inset-bottom, 0px)); width: 42px; height: 42px; }

  /* 푸터 */
  .footer { padding-bottom: calc(90px + env(safe-area-inset-bottom, 0px)); } /* 하단바에 안 가리게 */
  .footer-nav a { padding: 6px 0; display: block; }
}

@media (max-width: 560px) {
  .footer-nav { grid-template-columns: 1fr; gap: 26px; }
  .footer-inner { gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 6px; align-items: flex-start; }
  .comments .comment-form textarea { min-height: 52px; }
  .contact-info { padding: 24px 20px; }
}

@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .case-tabs, .board-filters { margin-left: -16px; margin-right: -16px; padding-left: 16px; padding-right: 16px; }
  .hero-title { font-size: 1.7rem; }
  .stat-num { font-size: 1.32rem; }
}