/* ============================================================
   EAST SPHERE — 대구 동구청 디지털 제안서 스타일
   컬러: 네이비 #0d1f3c / 화이트 #fff / 다크그레이 #2d2d2d / 라이트그레이 #f5f6f8
   폰트: Pretendard > Noto Sans KR > system-ui
   ============================================================ */

/* ── 리셋 & 기본 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #0d1f3c;
  --navy-mid:   #1a3358;
  --navy-light: #254370;
  --white:      #ffffff;
  --gray-bg:    #f5f6f8;
  --gray-light: #e8eaed;
  --gray-mid:   #9aa0ab;
  --gray-dark:  #4a5568;
  --text:       #1a202c;
  --text-sub:   #4a5568;
  --accent:     #2a6fc4;
  --gold:       #c8a45a;
  --radius:     8px;
  --radius-lg:  16px;
  --shadow-sm:  0 2px 8px rgba(0,0,0,.08);
  --shadow-md:  0 6px 24px rgba(0,0,0,.12);
  --shadow-lg:  0 16px 48px rgba(0,0,0,.16);
  --transition: .3s ease;
  --font: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont,
          'Malgun Gothic', '맑은 고딕', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}

/* ── 컨테이너 ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ── 섹션 공통 ── */
.section { padding: 96px 0; }
.section-white  { background: var(--white); }
.section-light  { background: var(--gray-bg); }
.section-navy   { background: var(--navy); }
.section-dark   { background: #111827; }

.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(42,111,196,.08);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-label.light { color: var(--gold); background: rgba(200,164,90,.12); }
.section-title {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-title.light { color: var(--white); }
.section-desc {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 640px;
  margin: 0 auto;
}
.section-desc.light { color: rgba(255,255,255,.7); }
.sub-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 20px;
}

/* ── 애니메이션 ── */
.fade-in { opacity: 0; animation: fadeIn .9s ease forwards; }
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeIn { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:none; } }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13,31,60,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.nav-logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--white);
}
.nav-menu {
  display: flex;
  gap: 4px;
}
.nav-menu a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  padding: 6px 12px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}
.nav-menu a:hover { color: var(--white); background: rgba(255,255,255,.08); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.scroll-progress {
  height: 3px;
  background: var(--gold);
  width: 0%;
  transition: width .1s linear;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg img,
.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-bg video {
  filter: blur(0.5px);
  transform: scale(1.02);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,31,60,.88) 0%, rgba(13,31,60,.80) 50%, rgba(13,31,60,.88) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 40px 80px;
  max-width: 900px;
  animation-delay: .2s;
}
.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--gold);
  border: 1px solid rgba(200,164,90,.4);
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(36px, 7vw, 68px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.hero-en {
  color: var(--gold);
  font-size: .75em;
  font-weight: 600;
}
.hero-title-em {
  color: var(--gold);
  font-size: .82em;
  font-weight: 700;
  display: block;
  margin-top: 4px;
}
.hero-meta {
  font-size: clamp(12px, 1.5vw, 15px);
  color: rgba(255,255,255,.5);
  letter-spacing: .12em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: clamp(14px, 2vw, 18px);
  color: rgba(255,255,255,.8);
  letter-spacing: .08em;
  margin-bottom: 20px;
}
.hero-slogan {
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 24px;
}
.hero-slogan em { color: var(--gold); font-style: normal; }
.hero-desc {
  font-size: clamp(14px, 1.8vw, 17px);
  color: rgba(255,255,255,.75);
  line-height: 1.8;
  margin-bottom: 40px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  transition: all var(--transition);
  min-width: 44px;
  min-height: 44px;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: #d4b06a; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(200,164,90,.4); }
.btn-outline { border: 1.5px solid rgba(255,255,255,.5); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,.08); border-color: var(--white); transform: translateY(-1px); }
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  color: rgba(255,255,255,.5);
  font-size: 11px;
  letter-spacing: .1em;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,.4);
  border-bottom: 2px solid rgba(255,255,255,.4);
  transform: rotate(45deg);
  margin: 8px auto 0;
  animation: scrollBounce 1.8s ease infinite;
}
@keyframes scrollBounce { 0%,100%{transform:rotate(45deg) translateY(0);} 50%{transform:rotate(45deg) translateY(5px);} }

/* ── SUMMARY ── */
.summary-key-msg {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  margin-bottom: 56px;
  text-align: center;
}
.summary-key-msg blockquote {
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 400;
  color: rgba(255,255,255,.9);
  line-height: 1.8;
  border: none;
}
.summary-key-msg blockquote strong { color: var(--gold); font-weight: 600; }
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.summary-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.summary-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.summary-icon { font-size: 28px; margin-bottom: 12px; }
.summary-label { font-size: 12px; color: var(--gray-mid); letter-spacing: .06em; margin-bottom: 6px; }
.summary-value {
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}
.summary-value.num-counter { font-size: clamp(28px, 4vw, 40px); }
.summary-unit { font-size: 14px; color: var(--gray-dark); margin-top: 2px; }
.summary-functions { text-align: center; }
.tag-group { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  background: rgba(13,31,60,.07);
  border: 1px solid rgba(13,31,60,.12);
  padding: 6px 16px;
  border-radius: 20px;
}

/* ── WHY NOW ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.why-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: background var(--transition);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease, background .3s ease;
}
.why-card.visible { opacity: 1; transform: translateY(0); }
.why-card:hover { background: rgba(255,255,255,.1); }
.why-num {
  font-size: 40px;
  font-weight: 800;
  color: rgba(200,164,90,.25);
  line-height: 1;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.why-card h3 { font-size: 18px; font-weight: 600; color: var(--white); margin-bottom: 12px; }
.why-card p { font-size: 14px; color: rgba(255,255,255,.7); line-height: 1.8; }
.why-card p strong { color: var(--gold); font-weight: 600; }

/* ── CONCEPT ── */
.concept-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 48px;
}
.concept-naming { }
.concept-eq { }
.concept-word {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.concept-ko {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  color: var(--navy);
}
.concept-divider { font-size: 28px; color: var(--gray-mid); }
.concept-plus { font-size: 28px; color: var(--gray-mid); }
.concept-en-word {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .04em;
}
.concept-sub-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.concept-item {
  background: var(--gray-bg);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.concept-item-label { font-size: 12px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.concept-item-desc { font-size: 12px; color: var(--text-sub); line-height: 1.6; }
.concept-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.concept-caption {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
}
.concept-caption strong { color: var(--navy); }
.concept-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.concept-point {
  background: var(--gray-bg);
  border-left: 3px solid var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 28px;
}
.concept-point h3 { font-size: 16px; font-weight: 600; color: var(--navy); margin-bottom: 10px; }
.concept-point p { font-size: 14px; color: var(--text-sub); line-height: 1.8; }

/* ── LOCATION ── */
.location-main { margin-bottom: 56px; }
.location-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: block;
}
.location-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
}
.location-pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.pin-dot {
  width: 16px;
  height: 16px;
  background: var(--gold);
  border-radius: 50%;
  border: 3px solid var(--white);
  position: relative;
  z-index: 2;
  margin: 0 auto;
}
.pin-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(200,164,90,.4);
  animation: pinPulse 2s ease infinite;
}
@keyframes pinPulse { 0%{transform:translate(-50%,-50%) scale(1);opacity:.8;} 100%{transform:translate(-50%,-50%) scale(3.5);opacity:0;} }
.pin-label {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 4px;
  white-space: nowrap;
  text-align: center;
  line-height: 1.5;
}
.pin-label::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: var(--navy);
  border-top: none;
}
.location-reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.location-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.location-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.lc-icon { font-size: 24px; margin-bottom: 10px; }
.location-card h3 { font-size: 15px; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
.location-card p { font-size: 13px; color: var(--text-sub); line-height: 1.7; }

/* ── FUNCTIONS ── */
.functions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.func-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  transition-delay: var(--delay, 0s);
}
.func-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.func-img {
  overflow: hidden;
  background: var(--gray-bg);
}
.func-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .5s ease;
}
.func-card:hover .func-img img { transform: scale(1.03); }
.func-body { padding: 20px 18px; }
.func-num {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .1em;
  margin-bottom: 6px;
}
.func-body h3 { font-size: 15px; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
.func-body p { font-size: 13px; color: var(--text-sub); line-height: 1.7; }

/* ── DAY & NIGHT ── */
.daynight-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.daynight-panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
}
.daynight-panel.day { background: rgba(255,255,255,.05); }
.daynight-panel.night { background: rgba(0,0,0,.3); }
.dn-header { padding: 28px 28px 20px; }
.dn-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold);
  background: rgba(200,164,90,.12);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.dn-header h3 { font-size: 18px; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.dn-header p { font-size: 13px; color: rgba(255,255,255,.6); }
.dn-img { height: 220px; overflow: hidden; }
.dn-img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.dn-list { padding: 20px 28px 28px; }
.dn-list li {
  font-size: 14px;
  color: rgba(255,255,255,.75);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: 8px;
}
.dn-list li::before { content: '–'; color: var(--gold); font-weight: 700; flex-shrink: 0; }

/* ── REFERENCE CASE STUDY ── */
.ref-case {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(200,164,90,.25);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 40px;
}
.ref-location {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(200,164,90,.15);
  border: 1px solid rgba(200,164,90,.3);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 16px;
}
.ref-case-title {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.35;
}
.ref-case-title strong { color: var(--gold); }
.ref-case-source {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-bottom: 28px;
  line-height: 1.6;
}
.ref-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
}
.ref-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}
.rs-num {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.rs-num em { font-style: normal; font-size: .65em; font-weight: 600; }
.rs-label {
  font-size: 11px;
  color: rgba(255,255,255,.55);
  line-height: 1.4;
}

/* ── VIDEO / REFERENCE ── */
.video-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}
.video-wrap { }

/* YouTube 반응형 래퍼 */
.yt-embed-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #000;
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
}
.yt-embed-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-desc { display: flex; flex-direction: column; gap: 28px; }
.vd-item h3 { font-size: 17px; font-weight: 600; color: var(--white); margin-bottom: 10px; }
.vd-item p { font-size: 14px; color: rgba(255,255,255,.65); line-height: 1.8; }
.vd-source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gold);
  margin-top: 8px;
  opacity: .8;
}
.vd-source::before { content: '▶'; font-size: 10px; }

/* ── POLICY ── */
.policy-note {
  background: var(--gray-bg);
  border-left: 3px solid var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin-bottom: 40px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
}
.policy-note strong { color: var(--navy); }
.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.policy-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow var(--transition);
}
.policy-card:hover { box-shadow: var(--shadow-md); }
.pc-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--accent);
  background: rgba(42,111,196,.08);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.policy-card h3 { font-size: 16px; font-weight: 600; color: var(--navy); margin-bottom: 10px; }
.policy-card p { font-size: 13px; color: var(--text-sub); line-height: 1.8; }
.policy-eco {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: #f0f7e8;
  border: 1px solid #c5e1a5;
  border-radius: var(--radius);
  padding: 24px 28px;
}
.eco-icon { font-size: 28px; flex-shrink: 0; }
.policy-eco h3 { font-size: 16px; font-weight: 600; color: #2e7d32; margin-bottom: 8px; }
.policy-eco p { font-size: 13px; color: #4a7c4e; line-height: 1.8; }

/* ── BUDGET ── */
.budget-context {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 40px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.budget-context strong { color: var(--navy); }
.budget-wrap { margin-bottom: 32px; }
.budget-table-wrap { overflow-x: auto; }
.budget-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
caption { font-size: 0; position: absolute; clip: rect(0,0,0,0); }
.budget-table th {
  background: var(--navy);
  color: var(--white);
  padding: 16px 20px;
  font-weight: 600;
  text-align: left;
  font-size: 15px;
  white-space: nowrap;
}
.budget-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--gray-light);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}
.budget-table td:first-child { color: var(--navy); font-weight: 500; }
.budget-table td strong { font-size: 17px; color: var(--navy); }
.budget-table tbody tr:hover td { background: rgba(13,31,60,.04); }
.total-row td { background: var(--gray-bg); font-weight: 700; color: var(--navy); font-size: 16px; }
.budget-note {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius);
  padding: 28px 32px;
  font-size: 16px;
  color: rgba(255,255,255,.9);
  line-height: 1.8;
  text-align: center;
}
.budget-note strong { color: var(--gold); }

/* ── EFFECTS ── */
.effects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.effect-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: transform var(--transition), box-shadow var(--transition);
  transition-delay: var(--delay, 0s);
  position: relative;
  overflow: hidden;
}
.effect-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
}
.effect-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(13,31,60,.25); }
.ec-num {
  display: block;
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 800;
  color: rgba(255,255,255,.12);
  line-height: 1;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.ec-body h3 { font-size: clamp(18px, 2vw, 22px); font-weight: 700; color: var(--white); margin-bottom: 10px; }
.ec-body p { font-size: clamp(14px, 1.5vw, 16px); color: rgba(255,255,255,.65); line-height: 1.75; }

/* ── ROADMAP ── */
.roadmap {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 56px;
  overflow-x: auto;
  padding-bottom: 8px;
}
.rm-step {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex: 1;
  min-width: 160px;
}
.rm-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-right: 12px;
}
.rm-body { flex: 1; }
.rm-body h3 { font-size: 15px; font-weight: 600; color: var(--navy); margin-bottom: 4px; }
.rm-body p { font-size: 12px; color: var(--text-sub); line-height: 1.6; }
.rm-arrow {
  flex-shrink: 0;
  padding: 10px 12px 0;
  font-size: 18px;
  color: var(--gray-mid);
}
.governance { }
.governance h3 { font-size: 18px; font-weight: 600; color: var(--navy); margin-bottom: 20px; text-align: center; }
.gov-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gov-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
}
.gov-role {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-light);
}
.gov-card p { font-size: 12px; color: var(--text-sub); line-height: 1.6; }

/* ── MAYOR QUOTE ── */
.mayor-quote-section {
  background: var(--navy);
  padding: 120px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.mayor-quote-section::before {
  content: '"';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 300px;
  color: rgba(200,164,90,.06);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}
.mq-attr {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: .9;
}
.mq-text {
  font-size: clamp(22px, 3.5vw, 40px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.9;
  max-width: 800px;
  margin: 0 auto;
  font-style: normal;
  letter-spacing: -.01em;
  border: none;
  padding: 0;
}
.mq-text em { font-style: normal; color: var(--gold); }
.mq-line {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 48px auto 0;
  opacity: .6;
}

/* ── CLOSING ── */
.closing {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.closing-bg {
  position: absolute;
  inset: 0;
}
.closing-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: brightness(.5) saturate(.7); }
.closing-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,31,60,.88) 0%, rgba(13,31,60,.75) 100%);
}
.closing-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 40px;
  max-width: 800px;
  margin: 0 auto;
}
.closing-quote-attr {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  letter-spacing: .06em;
  margin-bottom: 12px;
}
.closing-mayor-quote {
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 400;
  color: rgba(255,255,255,.85);
  line-height: 1.8;
  border: none;
  margin-bottom: 40px;
  font-style: normal;
}
.closing-divider {
  width: 60px;
  height: 2px;
  background: var(--gold);
  margin: 0 auto 40px;
}
.closing-proposal {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,.8);
  line-height: 1.9;
  margin-bottom: 36px;
}
.closing-proposal strong { color: var(--gold); }
.closing-slogan {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 20px;
}
.closing-slogan em { color: rgba(255,255,255,.65); font-style: normal; font-weight: 400; }
.closing-slogan strong { color: var(--gold); }
.closing-final {
  font-size: clamp(14px, 1.8vw, 17px);
  color: rgba(255,255,255,.6);
  letter-spacing: .04em;
}

/* ── CONTACT ── */
.contact-section { padding: 72px 0; }
.contact-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.contact-org {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.contact-emails { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.contact-email {
  font-size: 15px;
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition);
}
.contact-email:hover { opacity: .75; }
.contact-note { font-size: 13px; color: rgba(255,255,255,.55); line-height: 1.7; max-width: 400px; }
.contact-badge { text-align: right; }
.cb-title { font-size: 11px; color: rgba(255,255,255,.4); letter-spacing: .1em; margin-bottom: 6px; }
.cb-name { font-size: 18px; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.cb-copy { font-size: 11px; color: rgba(255,255,255,.3); }

/* ── POLICY PROPOSER ── */
.policy-proposer {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(200,164,90,.12);
  border: 1px solid rgba(200,164,90,.35);
  border-radius: 30px;
  padding: 8px 20px 8px 14px;
  margin-bottom: 28px;
}
.pp-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--navy);
  background: var(--gold);
  border-radius: 20px;
  padding: 3px 10px;
}
.pp-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
}

/* ── REF DISCLAIMER ── */
.ref-disclaimer {
  margin-top: 24px;
  padding: 18px 24px;
  background: rgba(200,164,90,.08);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.ref-disclaimer p {
  font-size: 13px;
  color: rgba(255,255,255,.75);
  line-height: 1.7;
}
.ref-disclaimer p strong { color: var(--gold); }

/* ── ARTIST COLLAB ── */
.artist-collab {
  position: relative;
  background: linear-gradient(135deg, #0d1f3c 0%, #162a50 50%, #0d1f3c 100%);
  border: 1px solid rgba(200,164,90,.3);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  margin: 40px 0 0;
  overflow: hidden;
  text-align: center;
}
.artist-collab::before {
  content: '🎨';
  position: absolute;
  font-size: 180px;
  opacity: .04;
  top: -20px;
  right: -20px;
  pointer-events: none;
}
.ac-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--gold);
  background: rgba(200,164,90,.15);
  border: 1px solid rgba(200,164,90,.3);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.ac-title {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.4;
}
.ac-title em { color: var(--gold); font-style: normal; }
.ac-desc {
  font-size: 15px;
  color: rgba(255,255,255,.65);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 28px;
}
.ac-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.ac-pill {
  font-size: 13px;
  color: var(--white);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 20px;
  padding: 6px 16px;
  transition: background .3s, border-color .3s;
}
.ac-pill:hover { background: rgba(200,164,90,.2); border-color: rgba(200,164,90,.5); }
@keyframes acPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(200,164,90,.3); }
  50% { box-shadow: 0 0 0 12px rgba(200,164,90,0); }
}
.artist-collab { animation: acPulse 4s ease-in-out infinite; }

/* ── PROPOSER FINAL (마지막 페이지) ── */
.proposer-section {
  background: var(--navy);
  padding: 100px 0;
  text-align: center;
}
.proposer-kicker {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--gold);
  background: rgba(200,164,90,.12);
  border: 1px solid rgba(200,164,90,.3);
  border-radius: 20px;
  padding: 5px 16px;
  margin-bottom: 32px;
  text-transform: uppercase;
}
.proposer-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.proposer-name {
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 8px;
}
.proposer-name em { color: var(--gold); font-style: normal; }
.proposer-sub {
  font-size: 15px;
  color: rgba(255,255,255,.5);
  margin-bottom: 48px;
}
.proposer-divider {
  width: 48px;
  height: 1px;
  background: rgba(200,164,90,.4);
  margin: 0 auto 40px;
}
.proposer-note {
  font-size: 14px;
  color: rgba(255,255,255,.4);
  line-height: 1.8;
}

/* ── 반응형 ── */
@media (max-width: 1024px) {
  .container { padding: 0 28px; }
  .summary-grid { grid-template-columns: repeat(3, 1fr); }
  .functions-grid { grid-template-columns: repeat(2, 1fr); }
  .effects-grid { grid-template-columns: 1fr; }
  .concept-wrap { grid-template-columns: 1fr; gap: 32px; }
  .video-layout { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .ref-stats { grid-template-columns: repeat(3, 1fr); }
  .ref-case { padding: 24px 20px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 16px 20px 24px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-menu a { padding: 10px 12px; font-size: 14px; }
  .nav-toggle { display: flex; }
  .section-header { margin-bottom: 40px; }
  .hero-content { padding: 100px 20px 60px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-key-msg { padding: 28px 24px; }
  .why-grid { grid-template-columns: 1fr; }
  .concept-sub-row { grid-template-columns: 1fr; gap: 8px; }
  .concept-points { grid-template-columns: 1fr; }
  .location-img-wrap img { height: auto; }
  .location-reasons { grid-template-columns: repeat(2, 1fr); }
  .functions-grid { grid-template-columns: repeat(2, 1fr); }
  .daynight-wrap { grid-template-columns: 1fr; }
  .policy-grid { grid-template-columns: 1fr; }
  .effects-grid { grid-template-columns: 1fr; }
  .roadmap { flex-direction: column; gap: 20px; overflow-x: visible; }
  .rm-step { flex-direction: column; align-items: flex-start; }
  .rm-arrow { display: none; }
  .gov-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { flex-direction: column; }
  .contact-badge { text-align: left; }
  .closing-content { padding: 60px 20px; }
}

@media (max-width: 480px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .functions-grid { grid-template-columns: 1fr; }
  .effects-grid { grid-template-columns: 1fr; }
  .location-reasons { grid-template-columns: 1fr; }
  .gov-grid { grid-template-columns: repeat(2, 1fr); }
  .concept-word { gap: 8px; }
}

@media (min-width: 1440px) {
  .container { max-width: 1320px; }
  .functions-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── 모바일 보완 패치 ── */
@media (max-width: 768px) {
  .summary-key-msg { padding: 24px 20px; }
  .summary-key-msg blockquote { font-size: 15px; }
  .ref-case { padding: 24px 20px; }
  .budget-context { padding: 16px 18px; font-size: 14px; }
  .budget-note { padding: 20px 20px; font-size: 14px; }
  .why-card { padding: 24px 20px; }
  .effect-card { padding: 28px 24px; }
  .mayor-quote-section { padding: 72px 20px; }
  .artist-collab { padding: 32px 20px; }
  .proposer-section { padding: 64px 0; }
  .concept-eq .concept-sub-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .section { padding: 48px 0; }
  .container { padding: 0 16px; }
  .section-header { margin-bottom: 28px; }
  .hero-content { padding: 80px 16px 48px; }
  .ref-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .summary-key-msg { padding: 20px 16px; }
  .summary-key-msg blockquote { font-size: 14px; line-height: 1.7; }
  .ref-case { padding: 18px 16px; }
  .budget-context { padding: 14px 16px; font-size: 13px; }
  .budget-note { padding: 18px 16px; font-size: 13px; }
  .budget-table { font-size: 13px; }
  .budget-table th { padding: 10px 10px; font-size: 13px; }
  .budget-table td { padding: 10px 10px; font-size: 13px; }
  .budget-table td strong { font-size: 15px; }
  .total-row td { font-size: 14px; }
  .why-card { padding: 20px 16px; }
  .effect-card { padding: 24px 16px; }
  .policy-card { padding: 20px 16px; }
  .concept-point { padding: 18px 16px; }
  .artist-collab { padding: 28px 16px; }
  .mayor-quote-section { padding: 56px 16px; }
  .location-card { padding: 18px 16px; }
  .gov-card { padding: 14px 12px; }
  .mq-text { font-size: clamp(18px, 5vw, 26px); line-height: 1.7; }
  .closing-content { padding: 48px 16px; }
  .contact-wrap { gap: 24px; }
  .proposer-section { padding: 48px 0; }
  .nav-inner { padding: 0 16px; height: 56px; }
}