/* ============================================================
   data-collect.css — 데이터 수집 페이지 전용 스타일
   클래스 접두사: dc-
   테마: --data-primary:#0d47a1 / --data-accent:#42a5f5 / --data-teal:#00acc1
   ============================================================ */

/* ────────── CSS 변수 ────────── */
.page-collect {
  --data-primary: #0d47a1;
  --data-accent:  #42a5f5;
  --data-teal:    #00acc1;
  --data-dark:    #0d1b3e;
  --data-darker:  #040d1e;
  --data-mid:     #1565c0;
}

/* ============================================================
   섹션 1: 히어로 (풀스크린)
   ============================================================ */

.dc-hero {
  position: relative;
  min-height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #040d1e 0%, #0d1b3e 50%, #071428 100%);
}

/* 스캔라인 오버레이 */
.dc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(66,165,245,0.02) 3px,
    rgba(66,165,245,0.02) 4px
  );
  z-index: 1;
  pointer-events: none;
}

/* 좌측 글로우 */
.dc-hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66,165,245,0.3) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
  filter: blur(60px);
}

/* 우측 상단 청록 글로우 */
.dc-hero-teal-glow {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,172,193,0.2) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
  filter: blur(80px);
}

#dcHeroCanvas {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.dc-hero .container {
  position: relative;
  z-index: 3;
}

/* 라이브 배지 */
.dc-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(66,165,245,0.12);
  border: 1px solid rgba(66,165,245,0.4);
  border-radius: 50px;
  padding: 6px 16px;
  color: var(--data-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.dc-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f44336;
  box-shadow: 0 0 8px #f44336;
  animation: dcLivePulse 1.2s ease-in-out infinite;
}

@keyframes dcLivePulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: 0.4; transform: scale(0.8); }
}

.dc-hero-title-sm {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  font-weight: 300;
  margin-bottom: 8px;
}

.dc-hero-title-lg {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--data-accent);
  text-shadow: 0 0 40px rgba(66,165,245,0.5);
  line-height: 1.15;
  margin-bottom: 16px;
}

.dc-hero-sub {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  margin-bottom: 24px;
  min-height: 1.5em;
}

/* 실적 미니 배지 */
.dc-stat-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.dc-stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(66,165,245,0.25);
  border-radius: 8px;
  padding: 7px 14px;
  color: rgba(255,255,255,0.85);
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

/* CTA 버튼 */
.dc-btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--data-primary), var(--data-accent));
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
  animation: dcCtaPulse 2.5s ease-in-out infinite;
}

@keyframes dcCtaPulse {
  0%,100% { box-shadow: 0 4px 24px rgba(66,165,245,0.35); }
  50%     { box-shadow: 0 4px 40px rgba(66,165,245,0.7); }
}

.dc-btn-cta:hover {
  transform: translateY(-2px);
  color: #fff;
}

/* 히어로 오른쪽 라이브 모니터 패널 */
.dc-monitor-panel {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(66,165,245,0.25);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  overflow: hidden;
}

.dc-monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(66,165,245,0.15);
  background: rgba(66,165,245,0.06);
}

.dc-monitor-title {
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dc-monitor-time {
  color: var(--data-accent);
  font-size: 12px;
  font-family: 'Courier New', monospace;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dc-monitor-body {
  padding: 14px 20px;
}

.dc-live-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 12px;
}

.dc-live-item:last-child { border-bottom: none; }

.dc-live-dot-ok {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #4caf50;
  box-shadow: 0 0 8px #4caf50;
  flex-shrink: 0;
}

.dc-live-dot-warn {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #ffc107;
  box-shadow: 0 0 8px #ffc107;
  animation: dcWarnPulse 1s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes dcWarnPulse {
  0%,100% { opacity: 1; }
  50%     { opacity: 0.3; }
}

.dc-live-name {
  color: rgba(255,255,255,0.85);
  font-family: 'Courier New', monospace;
  flex: 0 0 90px;
}

.dc-live-type {
  color: rgba(255,255,255,0.5);
  flex: 0 0 48px;
  font-size: 11px;
}

.dc-live-val {
  color: var(--data-accent);
  font-weight: 600;
  flex: 1;
}

.dc-live-bar-wrap {
  flex: 0 0 70px;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.dc-live-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(to right, var(--data-accent), var(--data-teal));
  transition: width 0.5s ease;
}

/* 미니 바 차트 */
.dc-mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 36px;
  margin: 12px 0;
}

.dc-mini-bar {
  display: inline-block;
  width: 8px;
  border-radius: 2px 2px 0 0;
  background: var(--data-accent);
  opacity: 0.7;
  transition: height 0.4s ease;
}

.dc-monitor-footer {
  padding: 10px 20px;
  border-top: 1px solid rgba(66,165,245,0.12);
  background: rgba(0,0,0,0.2);
  display: flex;
  gap: 16px;
  font-size: 11px;
  color: rgba(255,255,255,0.6);
}

.dc-monitor-footer span { display: flex; align-items: center; gap: 5px; }
.dc-monitor-footer .dc-val-ok { color: #4caf50; font-weight: 700; }
.dc-monitor-footer .dc-val-warn { color: #ffc107; font-weight: 700; }
.dc-monitor-footer .dc-val-ms { color: var(--data-accent); font-weight: 700; }

/* 히어로 클리핑 */
.dc-hero-clip {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  z-index: 4;
  pointer-events: none;
}

/* 브레드크럼 */
.dc-breadcrumb {
  margin-top: 28px;
}

.dc-breadcrumb .breadcrumb-item a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 12px;
}

.dc-breadcrumb .breadcrumb-item.active {
  color: var(--data-accent);
  font-size: 12px;
}

.dc-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255,255,255,0.3);
}


/* ============================================================
   서브 네비게이션 (sticky)
   ============================================================ */

.dc-subnav {
  background: #fff;
  border-bottom: 1px solid rgba(66,165,245,0.15);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 70px;
  z-index: 100;
}

.dc-subnav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
}

.dc-subnav-list li a {
  display: block;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 600;
  color: #555;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
}

.dc-subnav-list li a:hover {
  color: var(--data-accent);
  background: rgba(66,165,245,0.04);
}

.dc-subnav-list li.active a {
  color: var(--data-accent);
  border-bottom-color: var(--data-accent);
  background: rgba(66,165,245,0.08);
  font-weight: 700;
}


/* ============================================================
   섹션 2: 핵심 기능 8개 카드
   ============================================================ */

.dc-features {
  background: #fff;
  padding: 80px 0;
}

.dc-feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid rgba(66,165,245,0.12);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.dc-feature-card:hover {
  border-color: rgba(66,165,245,0.6);
  box-shadow: 0 12px 40px rgba(66,165,245,0.2), 0 0 0 1px rgba(66,165,245,0.3);
  transform: translateY(-8px);
}

.dc-feature-card:hover .dc-feature-icon-wrap {
  background: linear-gradient(135deg, var(--data-primary), var(--data-accent));
  border-color: transparent;
}

.dc-feature-card:hover .dc-feature-icon-wrap .bi {
  color: #fff;
}

.dc-feature-icon-wrap {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(13,71,161,0.1), rgba(66,165,245,0.15));
  border: 1.5px solid rgba(66,165,245,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s;
}

.dc-feature-icon-wrap .bi {
  font-size: 28px;
  color: var(--data-accent);
  transition: color 0.3s;
}

.dc-feature-num {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 42px;
  font-weight: 900;
  color: rgba(66,165,245,0.05);
  line-height: 1;
  pointer-events: none;
}

.dc-feature-title {
  font-size: 15px;
  font-weight: 700;
  color: #1a2942;
  margin-bottom: 10px;
}

.dc-feature-desc {
  font-size: 13px;
  color: #555;
  line-height: 1.65;
  margin-bottom: 14px;
}

.dc-feature-metric {
  font-size: 11px;
  font-weight: 700;
  color: var(--data-primary);
  background: rgba(13,71,161,0.07);
  border-radius: 4px;
  padding: 3px 8px;
  display: inline-block;
  margin-bottom: 10px;
}

.dc-feature-tags {
  font-size: 11px;
  color: var(--data-accent);
  font-weight: 700;
  letter-spacing: 0.5px;
}


/* ============================================================
   섹션 3: 라이브 수집 대시보드
   ============================================================ */

.dc-dashboard {
  background: var(--data-dark);
  background-image:
    radial-gradient(circle at 20% 80%, rgba(66,165,245,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0,172,193,0.05) 0%, transparent 50%);
  padding: 80px 0;
}

/* 격자 패턴 */
.dc-dashboard::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(66,165,245,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(66,165,245,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.dc-dashboard { position: relative; }

/* 좌측 컨트롤 패널 */
.dc-ctrl-panel {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(66,165,245,0.2);
  border-radius: 16px;
  padding: 24px;
  height: 100%;
}

.dc-scene-btns {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.dc-scene-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(66,165,245,0.2);
  border-radius: 10px;
  padding: 12px 16px;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  text-align: left;
}

.dc-scene-btn:hover,
.dc-scene-btn.active {
  background: rgba(66,165,245,0.15);
  border-color: var(--data-accent);
  color: #fff;
}

.dc-scene-btn.active {
  box-shadow: 0 0 0 1px rgba(66,165,245,0.4);
}

/* 요약 카드 */
.dc-summary-card {
  background: rgba(66,165,245,0.08);
  border: 1px solid rgba(66,165,245,0.2);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 14px;
}

.dc-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.dc-summary-item { text-align: center; }
.dc-summary-val {
  font-size: 22px;
  font-weight: 800;
  color: var(--data-accent);
  display: block;
}

.dc-summary-lbl {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}

/* 게이지 */
.dc-gauge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.dc-gauge-label {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  flex: 1;
}

.dc-gauge-val {
  font-size: 12px;
  font-weight: 700;
  color: #4caf50;
  flex: 0 0 50px;
  text-align: right;
}

.dc-gauge-val.warn { color: #f44336; }

.dc-gauge-bar {
  height: 5px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}

.dc-gauge-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1s ease;
}

.dc-gauge-fill.ok { background: linear-gradient(to right, #4caf50, #66bb6a); }
.dc-gauge-fill.warn { background: linear-gradient(to right, #f44336, #ef9a9a); }

/* 알림 로그 */
.dc-alert-log {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(66,165,245,0.15);
  border-radius: 10px;
  padding: 12px;
  max-height: 120px;
  overflow: hidden;
  position: relative;
}

.dc-alert-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 11px;
  color: rgba(255,255,255,0.65);
  font-family: 'Courier New', monospace;
  padding: 3px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.dc-alert-item:last-child { border-bottom: none; }
.dc-alert-time { color: rgba(255,255,255,0.35); flex-shrink: 0; }
.dc-alert-dot { flex-shrink: 0; }
.dc-alert-dot.ok  { color: #4caf50; }
.dc-alert-dot.warn { color: #ffc107; }

/* 우측 대시보드 패널 */
.dc-dash-panel {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(66,165,245,0.2);
  border-radius: 16px;
  overflow: hidden;
}

.dc-dash-tabs {
  display: flex;
  border-bottom: 1px solid rgba(66,165,245,0.15);
  background: rgba(0,0,0,0.2);
}

.dc-dash-tab {
  flex: 1;
  padding: 12px 10px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

.dc-dash-tab:hover { color: rgba(255,255,255,0.8); background: rgba(66,165,245,0.06); }

.dc-dash-tab.active {
  color: var(--data-accent);
  border-bottom-color: var(--data-accent);
  background: rgba(66,165,245,0.08);
}

.dc-dash-content { padding: 0; }

.dc-tab-pane { display: none; }
.dc-tab-pane.active { display: block; }

/* 탭1: 수집 현황 테이블 */
.dc-status-table {
  width: 100%;
  border-collapse: collapse;
}

.dc-status-table th {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(66,165,245,0.1);
  background: rgba(0,0,0,0.2);
}

.dc-status-table td {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
  padding: 10px 14px;
  border-bottom: 1px solid rgba(66,165,245,0.06);
  font-family: 'Courier New', monospace;
}

.dc-status-table tr:last-child td { border-bottom: none; }

.dc-status-table tr:hover td { background: rgba(66,165,245,0.06); }

.dc-status-ok {
  color: #4caf50;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dc-status-warn {
  color: #ffc107;
  font-weight: 700;
  animation: dcWarnPulse 1s ease-in-out infinite;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dc-ms-val { color: var(--data-teal); }

/* 탭2: 센서 맵 */
.dc-sensor-map {
  position: relative;
  background: rgba(13,71,161,0.08);
  min-height: 280px;
  border: 1px solid rgba(66,165,245,0.1);
  overflow: hidden;
  margin: 0;
}

/* 격자 배경 */
.dc-sensor-map::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(66,165,245,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(66,165,245,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.dc-sensor-marker {
  position: absolute;
  width: 18px; height: 18px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
}

.dc-sensor-marker::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  animation: dcMarkerPulse 2s ease-in-out infinite;
}

@keyframes dcMarkerPulse {
  0%,100% { opacity: 0.5; transform: scale(1); }
  50%     { opacity: 0; transform: scale(1.8); }
}

.dc-sensor-marker.ok    { background: #4caf50; }
.dc-sensor-marker.ok::before { border: 1px solid #4caf50; }
.dc-sensor-marker.warn  { background: #ffc107; }
.dc-sensor-marker.warn::before { border: 1px solid #ffc107; }
.dc-sensor-marker.err   { background: #f44336; }
.dc-sensor-marker.err::before { border: 1px solid #f44336; }

.dc-sensor-marker:hover { transform: scale(1.4); }

.dc-sensor-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13,27,78,0.95);
  border: 1px solid rgba(66,165,245,0.4);
  border-radius: 8px;
  padding: 8px 12px;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 10;
}

.dc-sensor-marker:hover .dc-sensor-tooltip { opacity: 1; }

/* 탭3: 트렌드 차트 */
.dc-trend-wrap {
  padding: 16px;
}

#dcTrendChart {
  max-height: 240px;
}

/* ============================================================
   섹션 4: 아키텍처 다이어그램
   ============================================================ */

.dc-arch {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8eef8 100%);
  padding: 80px 0;
}

.dc-arch-img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(13,71,161,0.15), 0 0 0 1px rgba(66,165,245,0.2);
  cursor: pointer;
}

.dc-arch-img-wrap img {
  width: 100%;
  display: block;
  transition: transform 0.1s ease;
}

/* 아키텍처 SVG 오버레이 */
.dc-arch-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.dc-flow-line {
  stroke: var(--data-accent);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 8 4;
  animation: dcFlowDash 2s linear infinite;
}

@keyframes dcFlowDash {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -24; }
}

/* 스텝 카드 */
.dc-step-card {
  background: #fff;
  border-radius: 14px;
  padding: 24px 20px;
  border-top: 4px solid var(--data-accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  position: relative;
  transition: all 0.3s;
  height: 100%;
}

.dc-step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(66,165,245,0.15);
}

.dc-step-num {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--data-accent);
  margin-bottom: 10px;
}

.dc-step-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(13,71,161,0.1), rgba(66,165,245,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.dc-step-icon-wrap .bi {
  font-size: 22px;
  color: var(--data-accent);
}

.dc-step-title {
  font-size: 15px;
  font-weight: 700;
  color: #1a2942;
  margin-bottom: 8px;
}

.dc-step-desc {
  font-size: 13px;
  color: #555;
  line-height: 1.6;
  margin-bottom: 12px;
}

.dc-step-highlight {
  background: rgba(66,165,245,0.08);
  border: 1px solid rgba(66,165,245,0.2);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--data-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.dc-step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.dc-step-tag {
  font-size: 11px;
  background: rgba(13,71,161,0.07);
  color: var(--data-primary);
  border-radius: 4px;
  padding: 3px 8px;
  font-weight: 600;
}

/* 스텝 사이 화살표 */
.dc-step-arrow {
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--data-accent);
  font-size: 20px;
  z-index: 1;
}

/* 기술 스택 태그 바 */
.dc-tech-bar {
  background: var(--data-primary);
  padding: 18px 0;
  margin-top: 40px;
  overflow: hidden;
}

.dc-tech-scroll {
  display: flex;
  gap: 8px;
  padding: 0 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.dc-tech-scroll::-webkit-scrollbar { display: none; }

.dc-tech-tag {
  flex-shrink: 0;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}


/* ============================================================
   섹션 5: 활용 시나리오 (지그재그)
   ============================================================ */

.dc-scenarios {
  background: #fff;
  padding: 80px 0;
}

.dc-scenario-row {
  margin-bottom: 60px;
}

.dc-scenario-row:last-child { margin-bottom: 0; }

.dc-scenario-img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.dc-scenario-img-wrap img {
  width: 100%;
  display: block;
  transition: transform 0.5s;
}

.dc-scenario-img-wrap:hover img { transform: scale(1.04); }

/* 오버레이 배지 */
.dc-scenario-overlay {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(13,27,78,0.9);
  border: 1px solid rgba(66,165,245,0.4);
  border-radius: 10px;
  padding: 10px 16px;
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}

.dc-scenario-overlay .dc-ov-dot {
  color: #4caf50;
  margin-right: 4px;
}

/* 텍스트 영역 */
.dc-scenario-text { padding: 8px 0; }

.dc-scenario-badge {
  display: inline-block;
  background: rgba(66,165,245,0.1);
  color: var(--data-accent);
  border: 1px solid rgba(66,165,245,0.3);
  border-radius: 50px;
  padding: 4px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.dc-scenario-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #1a2942;
  margin-bottom: 14px;
  line-height: 1.3;
}

.dc-scenario-desc {
  font-size: 14px;
  color: #555;
  line-height: 1.75;
  margin-bottom: 18px;
}

.dc-checklist {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.dc-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: #333;
  margin-bottom: 8px;
}

.dc-checklist li::before {
  content: '✅';
  flex-shrink: 0;
  margin-top: 1px;
}

.dc-scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dc-scenario-tag {
  font-size: 12px;
  background: rgba(13,71,161,0.07);
  color: var(--data-primary);
  border: 1px solid rgba(13,71,161,0.15);
  border-radius: 6px;
  padding: 4px 10px;
  font-weight: 600;
}


/* ============================================================
   섹션 6: 프로토콜 허브 & 장비 쇼케이스
   ============================================================ */

.dc-protocol {
  background: var(--data-dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

/* 도트 패턴 */
.dc-protocol::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(66,165,245,0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

/* 허브 다이어그램 컨테이너 */
.dc-hub-diagram {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  max-width: 600px;
}

/* SVG for lines */
.dc-hub-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.dc-hub-line {
  stroke: rgba(66,165,245,0.3);
  stroke-width: 1.5;
  fill: none;
}

.dc-hub-packet {
  fill: var(--data-accent);
  animation: dcPacketMove 3s linear infinite;
}

/* 중앙 허브 */
.dc-hub-center {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 140px; height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--data-primary), var(--data-accent));
  box-shadow:
    0 0 0 12px rgba(66,165,245,0.12),
    0 0 0 24px rgba(66,165,245,0.07),
    0 0 0 36px rgba(66,165,245,0.03);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  text-align: center;
  z-index: 2;
  animation: dcHubPulse 3s ease-in-out infinite;
  cursor: default;
  line-height: 1.35;
}

@keyframes dcHubPulse {
  0%,100% {
    box-shadow:
      0 0 0 12px rgba(66,165,245,0.12),
      0 0 0 24px rgba(66,165,245,0.07),
      0 0 0 36px rgba(66,165,245,0.03);
  }
  50% {
    box-shadow:
      0 0 0 18px rgba(66,165,245,0.18),
      0 0 0 36px rgba(66,165,245,0.09),
      0 0 0 54px rgba(66,165,245,0.03);
  }
}

/* 프로토콜 노드 */
.dc-proto-node {
  position: absolute;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(66,165,245,0.3);
  border-radius: 12px;
  padding: 9px 16px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  z-index: 2;
  white-space: nowrap;
  text-align: center;
}

.dc-proto-node:hover {
  background: rgba(66,165,245,0.2);
  border-color: var(--data-accent);
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(66,165,245,0.3);
}

.dc-proto-node.active {
  background: rgba(66,165,245,0.25);
  border-color: var(--data-accent);
  box-shadow: 0 0 20px rgba(66,165,245,0.4);
}

/* 노드 팝업 */
.dc-proto-popup {
  position: fixed;
  background: rgba(13,27,78,0.98);
  border: 1px solid rgba(66,165,245,0.4);
  border-radius: 12px;
  padding: 16px 20px;
  color: #fff;
  font-size: 13px;
  min-width: 220px;
  z-index: 1000;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  display: none;
  pointer-events: none;
}

.dc-proto-popup.visible { display: block; }

.dc-proto-popup h6 {
  font-size: 14px;
  font-weight: 700;
  color: var(--data-accent);
  margin-bottom: 8px;
}

.dc-proto-popup p {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 6px;
}

.dc-proto-popup .dc-proto-tag {
  font-size: 11px;
  background: rgba(66,165,245,0.15);
  color: var(--data-accent);
  border-radius: 4px;
  padding: 2px 8px;
  margin: 2px;
  display: inline-block;
}

/* 산업별 장비 카드 */
.dc-device-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(66,165,245,0.2);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
  transition: all 0.3s;
  height: 100%;
}

.dc-device-card:hover {
  background: rgba(66,165,245,0.1);
  border-color: rgba(66,165,245,0.5);
  transform: translateY(-6px);
}

.dc-device-card .bi {
  font-size: 42px;
  margin-bottom: 14px;
  display: block;
}

.dc-device-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.dc-device-list {
  list-style: none;
  padding: 0;
  margin-bottom: 14px;
  text-align: left;
}

.dc-device-list li {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dc-device-list li::before {
  content: '›';
  color: var(--data-accent);
  font-size: 14px;
  flex-shrink: 0;
}

.dc-device-proto {
  font-size: 11px;
  color: var(--data-teal);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* 하단 강조 */
.dc-proto-cta {
  background: rgba(66,165,245,0.08);
  border: 1px solid rgba(66,165,245,0.25);
  border-radius: 14px;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
}

.dc-proto-cta-text {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}


/* ============================================================
   섹션 7: 카운터 6개 (다크)
   ============================================================ */

.dc-counters {
  background: linear-gradient(135deg, var(--data-dark) 0%, #0a0f28 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.dc-counters::before {
  content: 'DATA';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(120px, 20vw, 200px);
  font-weight: 900;
  color: rgba(66,165,245,0.015);
  letter-spacing: -5px;
  pointer-events: none;
  white-space: nowrap;
}

.dc-counters::after {
  content: '';
  position: absolute;
  left: -10%;
  top: 20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66,165,245,0.12) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(40px);
}

.dc-counter-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(66,165,245,0.15);
  border-radius: 16px;
  padding: 32px 20px;
  text-align: center;
  transition: all 0.3s;
  height: 100%;
}

.dc-counter-item:hover {
  background: rgba(66,165,245,0.08);
  border-color: rgba(66,165,245,0.4);
  transform: translateY(-6px);
}

.dc-counter-num {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 900;
  background: linear-gradient(135deg, #fff, var(--data-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 6px;
  display: block;
}

.dc-counter-suffix {
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--data-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dc-counter-title {
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
}

.dc-counter-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  line-height: 1.5;
  margin-bottom: 14px;
}

.dc-counter-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
  max-width: 100px;
}

.dc-counter-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(to right, var(--data-accent), var(--data-teal));
  width: 0;
  transition: width 2s ease;
}

.dc-counter-stars {
  color: #ffd700;
  font-size: 18px;
  letter-spacing: 4px;
}

.dc-counter-timeline {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-top: 8px;
}

.dc-counter-tl-seg {
  height: 4px;
  border-radius: 2px;
  flex: 1;
  max-width: 14px;
}

.dc-counter-tl-seg.filled {
  background: linear-gradient(to right, var(--data-accent), var(--data-teal));
}

.dc-counter-tl-seg.empty {
  background: rgba(255,255,255,0.1);
}


/* ============================================================
   섹션 8: 관련 특허 & 기술 스택
   ============================================================ */

.dc-patents {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8eef8 100%);
  padding: 80px 0;
}

.dc-patent-card {
  background: #fff;
  border-radius: 14px;
  padding: 24px 28px;
  border-left: 4px solid var(--data-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  margin-bottom: 16px;
  transition: all 0.3s;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.dc-patent-card:hover {
  box-shadow: 0 8px 32px rgba(13,71,161,0.15);
  transform: translateX(4px);
}

.dc-patent-card.sw { border-left-color: #4caf50; }

.dc-patent-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.dc-patent-body {}

.dc-patent-title {
  font-size: 15px;
  font-weight: 700;
  color: #1a2942;
  margin-bottom: 4px;
}

.dc-patent-meta {
  font-size: 12px;
  color: #888;
  margin-bottom: 8px;
}

.dc-patent-desc {
  font-size: 13px;
  color: #555;
  line-height: 1.65;
  margin-bottom: 10px;
}

.dc-patent-tags { display: flex; flex-wrap: wrap; gap: 5px; }

.dc-patent-tag {
  font-size: 11px;
  background: rgba(13,71,161,0.07);
  color: var(--data-primary);
  border-radius: 4px;
  padding: 3px 8px;
  font-weight: 600;
}

.dc-patent-card.sw .dc-patent-tag {
  background: rgba(76,175,80,0.08);
  color: #2e7d32;
}

/* 기술 스택 */
.dc-stack-section {}

.dc-stack-cat {
  margin-bottom: 18px;
}

.dc-stack-cat-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--data-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(13,71,161,0.1);
}

.dc-stack-badges { display: flex; flex-wrap: wrap; gap: 6px; }

.dc-stack-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: #fff;
  border: 1px solid #e0e8f5;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #2c3e50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: all 0.2s;
  cursor: default;
}

.dc-stack-badge:hover {
  border-color: var(--data-accent);
  color: var(--data-accent);
  box-shadow: 0 4px 16px rgba(66,165,245,0.15);
}


/* ============================================================
   섹션 9: 관련 솔루션 카드
   ============================================================ */

.dc-related {
  background: linear-gradient(135deg, #f8f9ff 0%, #f0f4fe 100%);
  padding: 80px 0;
}

.dc-related-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  transition: all 0.35s;
  height: 100%;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.dc-related-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
  text-decoration: none;
  color: inherit;
}

.dc-related-top {
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dc-related-top .bi {
  font-size: 48px;
  color: #fff;
}

.dc-related-body {
  padding: 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.dc-related-title {
  font-size: 16px;
  font-weight: 700;
  color: #1a2942;
  margin-bottom: 8px;
}

.dc-related-desc {
  font-size: 13px;
  color: #555;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 14px;
}

.dc-related-tag {
  font-size: 11px;
  color: #888;
  font-weight: 600;
  margin-bottom: 14px;
}

.dc-related-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--data-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}


/* ============================================================
   섹션 10: CTA 배너
   ============================================================ */

.dc-cta {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #040d1e 0%, var(--data-dark) 100%);
  overflow: hidden;
  padding: 80px 0;
}

#dcCtaCanvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.6;
}

/* 흐르는 데이터 스크롤 텍스트 */
.dc-stream-text {
  position: absolute;
  bottom: 28px;
  left: 0; right: 0;
  overflow: hidden;
  white-space: nowrap;
  color: rgba(66,165,245,0.06);
  font-size: 13px;
  font-family: 'Courier New', monospace;
  letter-spacing: 3px;
  pointer-events: none;
  z-index: 2;
}

.dc-stream-inner {
  display: inline-block;
  animation: dcStreamScroll 22s linear infinite;
}

@keyframes dcStreamScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* 상단 원형 글로우 */
.dc-cta::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(66,165,245,0.15) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(30px);
  z-index: 2;
}

.dc-cta .container { position: relative; z-index: 3; }

.dc-cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(66,165,245,0.12);
  border: 1px solid rgba(66,165,245,0.35);
  color: var(--data-accent);
  border-radius: 50px;
  padding: 5px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.dc-cta-title {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 20px rgba(66,165,245,0.25);
  margin-bottom: 14px;
  line-height: 1.25;
}

.dc-cta-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
  line-height: 1.7;
}

.dc-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.dc-trust-badges span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.dc-contact-info {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.dc-contact-info a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 5px;
}

.dc-contact-info a:hover { color: var(--data-accent); }


/* ============================================================
   공통 섹션 헤더
   ============================================================ */

.dc-section-badge {
  display: inline-block;
  background: rgba(66,165,245,0.1);
  color: var(--data-accent);
  border: 1px solid rgba(66,165,245,0.3);
  border-radius: 50px;
  padding: 4px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.dc-section-badge.light {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.2);
}

.dc-section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #1a2942;
  margin-bottom: 10px;
  line-height: 1.25;
}

.dc-section-title.light { color: #fff; }

.dc-section-sub {
  font-size: 15px;
  color: #666;
  max-width: 600px;
}

.dc-section-sub.light { color: rgba(255,255,255,0.6); }


/* ============================================================
   반응형
   ============================================================ */

@media (max-width: 991px) {
  .dc-hub-diagram { height: 320px; }

  .dc-hub-center { width: 110px; height: 110px; font-size: 11px; }

  .dc-proto-node { font-size: 11px; padding: 7px 12px; }

  .dc-monitor-panel { margin-top: 32px; }
}

@media (max-width: 767px) {
  .dc-hero { min-height: 100dvh; }

  .dc-hero-title-lg { font-size: 1.8rem; }

  .dc-stat-badges { gap: 6px; }

  .dc-stat-badge { font-size: 11px; padding: 5px 10px; }

  .dc-hub-diagram { height: 280px; max-width: 100%; }

  .dc-hub-center { width: 90px; height: 90px; font-size: 10px; }

  .dc-proto-node { font-size: 10px; padding: 5px 10px; }

  .dc-summary-grid { grid-template-columns: 1fr 1fr; }

  .dc-scene-btns { flex-direction: row; flex-wrap: wrap; }

  .dc-scene-btn { flex: 1; min-width: 120px; font-size: 12px; padding: 10px 12px; }

  .dc-subnav-list li a { padding: 10px 14px; font-size: 13px; }

  .dc-patent-card { flex-direction: column; gap: 12px; }

  .dc-patent-icon { font-size: 36px; }

  .dc-counter-num { font-size: 38px; }

  .dc-cta-title { font-size: 1.5rem; }

  .dc-stream-text { display: none; }
}