/* ============================================
   CONCEPT A — MODERN CORPORATE
   Core Networks (코어네트웍스)
   ============================================ */

:root {
  --primary-blue: #1E4ED8;
  --deep-blue: #0B3C8A;
  --light-blue: #EAF2FF;
  --accent-blue: #3B82F6;
  --gradient-start: #0B3C8A;
  --gradient-end: #1E4ED8;
  --white: #ffffff;
  --off-white: #F8FAFF;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-600: #475569;
  --gray-800: #1E293B;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(14,30,100,0.12);
  --shadow-lg: 0 8px 32px rgba(14,30,100,0.18);
  --shadow-xl: 0 20px 60px rgba(14,30,100,0.22);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 78, 216, 0.08);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 30px;
  width: auto;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name-en {
  font-size: 18px;
  font-weight: 800;
  color: var(--deep-blue);
  letter-spacing: -0.5px;
}

.logo-name-ko {
  font-size: 11px;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.5px;
}

/* Main Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary-blue);
  background: var(--light-blue);
}

.nav-link .arrow {
  font-size: 10px;
  transition: transform 0.2s;
}

.nav-item:hover .arrow {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 180px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 8px;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown a {
  display: block;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  border-radius: 6px;
  transition: var(--transition);
}

.dropdown a:hover {
  background: var(--light-blue);
  color: var(--primary-blue);
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-outline {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-blue);
  border: 1.5px solid var(--primary-blue);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--light-blue);
}

.btn-primary {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--primary-blue), var(--deep-blue));
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(30,78,216,0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(30,78,216,0.4);
}

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #050E2A 0%, #0B3C8A 45%, #1E4ED8 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: 72px;
}

/* Animated background grid */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Glowing orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30,78,216,0.4) 0%, transparent 70%);
  bottom: -50px;
  left: 20%;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(11,60,138,0.5) 0%, transparent 70%);
  top: 30%;
  left: -50px;
  animation-delay: -6s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* Network nodes decoration */
.hero-nodes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.node {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
  animation: pulse-node 4s ease-in-out infinite;
}

.node::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  animation: ripple 4s ease-in-out infinite;
}

@keyframes pulse-node {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.5); }
}

@keyframes ripple {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(3); opacity: 0; }
}

.node:nth-child(1) { top: 20%; left: 15%; animation-delay: 0s; }
.node:nth-child(2) { top: 60%; left: 8%; animation-delay: 1s; }
.node:nth-child(3) { top: 35%; right: 20%; animation-delay: 2s; }
.node:nth-child(4) { top: 75%; right: 35%; animation-delay: 0.5s; }
.node:nth-child(5) { top: 15%; right: 45%; animation-delay: 3s; }

/* Node connection lines */
.hero-connections {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
}

.hero-inner {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 40px;
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 36px;
  align-items: stretch;
}

.hero-content {
  color: white;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.5px;
  margin-bottom: 28px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: #4ADE80;
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}

.hero-title-ko {
  display: block;
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 8px;
}

.hero-title-highlight {
  background: linear-gradient(90deg, #60A5FA, #A78BFA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(15px, 1.5vw, 18px);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 700;
  color: var(--deep-blue);
  background: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  color: white;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

/* Hero stats */
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 32px;
  font-weight: 900;
  color: white;
  letter-spacing: -1px;
  line-height: 1;
}

.stat-number span {
  font-size: 18px;
  font-weight: 700;
  color: #60A5FA;
}

.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

/* Hero visual - right side */
.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

/* ── Hero Business Area Cards ──────────────────────────── */
/* ── Hero Biz Column ────────────────────────────────────── */
.hero-biz {
  display: flex;
  align-items: stretch;
}

.hero-biz-device {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  height: 100%;
  justify-content: space-between;
}

.hero-biz-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 10px;
  text-decoration: none;
  color: white;
  flex: 1;
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.hero-biz-card:hover {
  background: rgba(96,165,250,0.13);
  border-color: rgba(96,165,250,0.4);
  transform: translateX(4px);
}

.hero-biz-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(96,165,250,0.13);
  border: 1px solid rgba(96,165,250,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #60A5FA;
  transition: background 0.22s ease;
}

.hero-biz-card:hover .hero-biz-card-icon {
  background: rgba(96,165,250,0.24);
}

.hero-biz-card-info {
  flex: 1;
  min-width: 0;
}

.hero-biz-card-ko {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.95);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-biz-card-en {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-biz-card-arrow {
  color: rgba(96,165,250,0.6);
  font-size: 14px;
  flex-shrink: 0;
  transition: transform 0.2s ease, color 0.2s ease;
}

.hero-biz-card:hover .hero-biz-card-arrow {
  transform: translateX(4px);
  color: #60A5FA;
}

.hero-device {
  width: 100%;
  max-width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(16px);
  position: relative;
  box-sizing: border-box;
}

.device-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.device-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.device-dot:nth-child(1) { background: #FF5F57; }
.device-dot:nth-child(2) { background: #FEBC2E; }
.device-dot:nth-child(3) { background: #28C840; }

.device-title {
  margin-left: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
}

.network-diagram {
  position: relative;
  height: 280px;
}

.net-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.net-node-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  position: relative;
}

.net-node-circle.core {
  background: linear-gradient(135deg, #1E4ED8, #60A5FA);
  box-shadow: 0 0 30px rgba(96,165,250,0.4);
  width: 72px;
  height: 72px;
  font-size: 26px;
}

.net-node-circle.secondary {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
}

.net-node-label {
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  white-space: nowrap;
}

.net-node.center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.net-node.top { top: 10px; left: 50%; transform: translateX(-50%); }
.net-node.right { top: 50%; right: 10px; transform: translateY(-50%); }
.net-node.bottom { bottom: 10px; left: 50%; transform: translateX(-50%); }
.net-node.left { top: 50%; left: 10px; transform: translateY(-50%); }

/* SVG connection lines in network diagram */
.net-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Device metrics */
.device-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.metric-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 12px;
}

.metric-label {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 18px;
  font-weight: 800;
  color: white;
  letter-spacing: -0.5px;
}

.metric-value.green { color: #4ADE80; }
.metric-value.blue { color: #60A5FA; }
#hero-metric-2-value { font-size: 13px; letter-spacing: 0; }

.metric-bar {
  margin-top: 6px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, #1E4ED8, #60A5FA);
}

/* ============================================
   SECTION COMMON STYLES
   ============================================ */

section {
  padding: 100px 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--primary-blue);
  border-radius: 1px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

/* ============================================
   CEO MESSAGE SECTION
   ============================================ */

.ceo-message {
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.ceo-message::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--deep-blue), var(--primary-blue), var(--accent-blue));
}

.ceo-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

/* CEO Photo side */
.ceo-photo-wrap {
  position: relative;
  flex-shrink: 0;
}

.ceo-photo-frame {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.ceo-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ceo-photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(11,60,138,0.92) 0%, rgba(11,60,138,0.6) 40%, transparent 100%);
  padding: 40px 28px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.ceo-title-label {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  letter-spacing: 1.5px;
}

.ceo-name-signature {
  font-family: 'Nanum Brush Script', cursive;
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.2;
  color: white;
}

/* CEO Content side */
.ceo-content {
  padding-top: 8px;
}

.ceo-content .section-label {
  margin-bottom: 14px;
}

.ceo-content .section-title {
  margin-bottom: 28px;
}

.ceo-paragraphs {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 48px;
}

.ceo-paragraphs p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
}

.ceo-paragraphs p strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* CEO value cards */
.ceo-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.ceo-value-card {
  padding: 24px 20px;
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ceo-value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--deep-blue), var(--primary-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.ceo-value-card:hover::before {
  transform: scaleX(1);
}

.ceo-value-card:hover {
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  background: white;
}

.ceo-value-icon {
  width: 47px;
  height: 47px;
  margin-bottom: 16px;
  background: rgba(96, 165, 250, 0.07);
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 11px;
  box-shadow: 0 0 14px rgba(96, 165, 250, 0.18), inset 0 0 8px rgba(96, 165, 250, 0.06);
}

.ceo-value-icon svg {
  width: 100%;
  height: 100%;
  stroke: #93c5fd;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 4px rgba(147, 197, 253, 0.55));
}

.ceo-value-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.ceo-value-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   COMPANY OVERVIEW SECTION
   ============================================ */

/* ============================================
   COMPANY OVERVIEW — ABOUT US
   ============================================ */

.overview {
  background: #EEF3FF;
  position: relative;
  overflow: hidden;
}

/* 상단 컬러 라인 */
.overview::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--deep-blue), var(--primary-blue), var(--accent-blue));
}

/* 배경 워터마크 */
.overview::after {
  content: 'ABOUT';
  position: absolute;
  right: -16px;
  bottom: -28px;
  font-size: 200px;
  font-weight: 900;
  letter-spacing: -10px;
  line-height: 1;
  color: rgba(30, 78, 216, 0.04);
  pointer-events: none;
  user-select: none;
}

/* ── 2컬럼 그리드 ── */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: center;
  padding: 100px 0 108px;
  position: relative;
  z-index: 1;
}

/* ── 왼쪽: 텍스트 ── */
.overview-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.overview-eyebrow-bar {
  display: block;
  width: 30px;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 2px;
  flex-shrink: 0;
}

.overview-headline {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.18;
  letter-spacing: -1.5px;
  margin-bottom: 32px;
}

.overview-headline em {
  font-style: normal;
  color: var(--primary-blue);
  position: relative;
}

.overview-headline em::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: 1px;
  height: 3px;
  background: rgba(30, 78, 216, 0.18);
  border-radius: 2px;
}

.overview-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 44px;
}

.overview-body p {
  font-size: 15.5px;
  color: var(--text-secondary);
  line-height: 1.88;
  word-break: keep-all;
}

.overview-body p strong {
  color: var(--primary-blue);
  font-weight: 700;
}

/* ── CTA 버튼 ── */
.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  background: var(--primary-blue);
  color: #ffffff;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: 0 4px 18px rgba(30, 78, 216, 0.35);
  transition: background 0.25s ease, transform 0.22s ease, box-shadow 0.25s ease;
}

.btn-more:hover {
  background: var(--deep-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(30, 78, 216, 0.45);
}

.btn-more svg {
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.btn-more:hover svg {
  transform: translateX(5px);
}

.overview-cta-wrap { display: flex; flex-direction: column; gap: 10px; }

.overview-cta-sub {
  font-size: 13px;
  color: var(--text-muted, #64748b);
  line-height: 1.5;
}

/* ── 오른쪽: 프로필 카드 ── */
.overview-visual { position: relative; }

.overview-card {
  background: linear-gradient(150deg, #08285e 0%, #0c357f 45%, #1849b8 100%);
  border-radius: 22px;
  padding: 36px 32px 28px;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 28px 70px rgba(11, 60, 138, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

/* 그리드 텍스처 */
.overview-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.032) 1px, transparent 1px);
  background-size: 30px 30px;
  border-radius: inherit;
  pointer-events: none;
}

/* 하단 글로우 */
.overview-card::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, transparent 70%);
  bottom: -60px;
  left: -40px;
  pointer-events: none;
}

/* 상단 오브 글로우 */
.overview-card-glow {
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.22) 0%, transparent 65%);
  top: -90px;
  right: -80px;
  pointer-events: none;
}

/* 카드 헤더 */
.overview-card-header {
  position: relative;
  z-index: 1;
  margin-bottom: 26px;
}

.overview-card-label {
  font-size: 10px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.32);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.overview-card-brand {
  font-size: 23px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 12px;
}

.overview-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  border: 1px solid rgba(96, 165, 250, 0.35);
  border-radius: 20px;
  font-size: 10.5px;
  font-weight: 600;
  color: #93c5fd;
  letter-spacing: 0.5px;
  background: rgba(96, 165, 250, 0.07);
}

.overview-card-dot {
  display: block;
  width: 6px;
  height: 6px;
  background: #60a5fa;
  border-radius: 50%;
  animation: ov-pulse 2.2s ease-in-out infinite;
}

@keyframes ov-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.75); }
}

/* 구분선 */
.overview-card-divider {
  position: relative;
  z-index: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 4px;
}

/* 통계 그리드 */
.overview-card-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.overview-cs {
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.overview-cs:nth-child(2),
.overview-cs:nth-child(4) {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.overview-cs:nth-child(3),
.overview-cs:nth-child(4) {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.overview-cs-num {
  font-size: 30px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -1.5px;
  line-height: 1;
}

.overview-cs-num sup {
  font-size: 0.48em;
  color: #60a5fa;
  vertical-align: super;
  letter-spacing: 0;
}

.overview-cs-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.38);
  letter-spacing: 0.3px;
}

/* 하단 네트워크 데코 */
.overview-card-net {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0;
  padding-top: 22px;
  margin-top: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.net-dot {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.6);
  flex-shrink: 0;
}

.net-dot.sm {
  width: 5px;
  height: 5px;
  background: rgba(96, 165, 250, 0.3);
}

.net-line {
  display: block;
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(96,165,250,0.35), rgba(96,165,250,0.1));
}

/* ============================================
   BUSINESS AREA SECTION
   ============================================ */

.business {
  background: linear-gradient(160deg, #060f1e 0%, #091529 50%, #0c1d3a 100%);
  position: relative;
  overflow: hidden;
}

.business::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30,78,216,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,78,216,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.business .container {
  position: relative;
  z-index: 1;
}

.business-header {
  text-align: center;
  margin-bottom: 64px;
}

.business-header .section-label {
  justify-content: center;
  color: #60A5FA;
}

.business-header .section-label::before {
  background: #60A5FA;
}

.business-header .section-title {
  color: #F1F5F9;
}

.business-header .section-desc {
  margin: 0 auto;
  color: rgba(203, 213, 225, 0.8);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

@media (max-width: 768px) {
  .business-header .section-desc {
    white-space: normal;
    text-overflow: unset;
  }
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.business-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.business-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

/* 4개 순환 색상 — 카드 수에 관계없이 반복 적용 */
.business-card:nth-child(4n+1)::before { background: linear-gradient(90deg, #3B82F6, #60A5FA); }
.business-card:nth-child(4n+2)::before { background: linear-gradient(90deg, #06B6D4, #22D3EE); }
.business-card:nth-child(4n+3)::before { background: linear-gradient(90deg, #8B5CF6, #A78BFA); }
.business-card:nth-child(4n+0)::before { background: linear-gradient(90deg, #10B981, #34D399); }

.business-card:hover::before {
  transform: scaleX(1);
}

.business-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255,255,255,0.08);
  transform: translateY(-6px);
}

.business-card-bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: var(--transition);
}

.business-card:nth-child(4n+1) .business-card-bg { background: radial-gradient(ellipse at top left, rgba(59,130,246,0.12), transparent 70%); }
.business-card:nth-child(4n+2) .business-card-bg { background: radial-gradient(ellipse at top left, rgba(6,182,212,0.12), transparent 70%); }
.business-card:nth-child(4n+3) .business-card-bg { background: radial-gradient(ellipse at top left, rgba(139,92,246,0.12), transparent 70%); }
.business-card:nth-child(4n+0) .business-card-bg { background: radial-gradient(ellipse at top left, rgba(16,185,129,0.12), transparent 70%); }

.business-card:hover .business-card-bg {
  opacity: 1;
}

.business-card-number {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.12);
}

.business-card-icon {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.business-card:nth-child(4n+1) .business-card-icon { background: rgba(59,130,246,0.15); color: #60A5FA; box-shadow: 0 0 24px rgba(59,130,246,0.2); }
.business-card:nth-child(4n+2) .business-card-icon { background: rgba(6,182,212,0.15);  color: #22D3EE; box-shadow: 0 0 24px rgba(6,182,212,0.2); }
.business-card:nth-child(4n+3) .business-card-icon { background: rgba(139,92,246,0.15); color: #A78BFA; box-shadow: 0 0 24px rgba(139,92,246,0.2); }
.business-card:nth-child(4n+0) .business-card-icon { background: rgba(16,185,129,0.15); color: #34D399; box-shadow: 0 0 24px rgba(16,185,129,0.2); }

.business-card:hover .business-card-icon { transform: scale(1.1); }
.business-card:hover:nth-child(4n+1) .business-card-icon { box-shadow: 0 0 36px rgba(59,130,246,0.4); }
.business-card:hover:nth-child(4n+2) .business-card-icon { box-shadow: 0 0 36px rgba(6,182,212,0.4); }
.business-card:hover:nth-child(4n+3) .business-card-icon { box-shadow: 0 0 36px rgba(139,92,246,0.4); }
.business-card:hover:nth-child(4n+0) .business-card-icon { box-shadow: 0 0 36px rgba(16,185,129,0.4); }

.business-card-title {
  position: relative;
  z-index: 1;
  font-size: 18px;
  font-weight: 800;
  color: #F1F5F9;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  line-height: 1.4;
}

.business-card-title-ko {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.business-card:nth-child(4n+1) .business-card-title-ko { color: #60A5FA; }
.business-card:nth-child(4n+2) .business-card-title-ko { color: #22D3EE; }
.business-card:nth-child(4n+3) .business-card-title-ko { color: #A78BFA; }
.business-card:nth-child(4n+0) .business-card-title-ko { color: #34D399; }

.business-card-desc {
  position: relative;
  z-index: 1;
  font-size: 14px;
  color: rgba(203, 213, 225, 0.75);
  line-height: 1.65;
  margin-bottom: 24px;
}

.business-card-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-blue);
  background: var(--light-blue);
  border-radius: 100px;
}

.business-card .tag {
  color: rgba(203, 213, 225, 0.85);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.business-card-link {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(203, 213, 225, 0.6);
  text-decoration: none;
  opacity: 0;
  transform: translateY(4px);
  transition: var(--transition);
}

.business-card:hover .business-card-link {
  opacity: 1;
  transform: translateY(0);
  color: #F1F5F9;
}

/* ============================================
   CLIENTS SECTION
   ============================================ */

/* ============================================
   CLIENTS SECTION — INFOGRAPHIC
   ============================================ */

.clients {
  background: #EEF3FF;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.clients::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 5% 50%, rgba(59,130,246,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 95% 20%, rgba(139,92,246,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.clients-header {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.clients-header .section-label {
  justify-content: center;
  color: var(--primary-blue);
}

.clients-header .section-title {
  color: var(--text-primary);
}

.clients-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-top: 16px;
}

/* ---- Stats bar ---- */
.clients-stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 18px 0;
  margin-bottom: 28px;
  position: relative;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.clients-stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 36px;
}

.clients-stat-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ci-accent);
  box-shadow: 0 0 8px var(--ci-accent);
  flex-shrink: 0;
}

.clients-stat-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.clients-stat-badge {
  font-size: 11px;
  color: var(--ci-accent);
  background: color-mix(in srgb, var(--ci-accent) 10%, white);
  border: 1px solid color-mix(in srgb, var(--ci-accent) 25%, white);
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
  font-weight: 600;
}

.clients-stat-divider {
  width: 1px;
  height: 28px;
  background: var(--gray-200);
  flex-shrink: 0;
}

/* ---- Infographic cards ---- */
.clients-infographic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}

.ci-card {
  background: #ffffff;
  border: 1px solid var(--gray-200);
  border-top: 3px solid var(--ci-accent);
  border-radius: var(--radius-md);
  padding: 28px 22px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.ci-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 100px; height: 100px;
  background: radial-gradient(circle at top right, var(--ci-accent), transparent 70%);
  opacity: 0.05;
  pointer-events: none;
}

.ci-card:hover {
  transform: translateY(-5px);
  border-color: var(--gray-200);
  border-top-color: var(--ci-accent);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1), 0 0 0 1px color-mix(in srgb, var(--ci-accent) 30%, white);
}

.ci-card:hover::after {
  opacity: 0.1;
}

/* Card top: icon + title */
.ci-card-top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}

.ci-icon {
  width: 50px;
  height: 50px;
  background: color-mix(in srgb, var(--ci-accent) 10%, white);
  border: 1px solid color-mix(in srgb, var(--ci-accent) 20%, white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ci-accent);
  flex-shrink: 0;
}

.ci-category {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 3px;
}

.ci-category-ko {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.ci-category-en {
  font-size: 10px;
  font-weight: 600;
  color: var(--ci-accent);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0.9;
}

/* Client type tags */
.ci-items {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 24px;
}

.ci-tag {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  padding: 5px 11px;
  border-radius: 20px;
  line-height: 1;
  transition: var(--transition);
}

.ci-card:hover .ci-tag {
  color: var(--ci-accent);
  background: color-mix(in srgb, var(--ci-accent) 8%, white);
  border-color: color-mix(in srgb, var(--ci-accent) 25%, white);
}

/* Mini proportion bar */
.ci-bar-wrap {
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
}

.ci-bar {
  height: 100%;
  background: var(--ci-accent);
  border-radius: 2px;
  opacity: 0.75;
  transition: width 1s cubic-bezier(0.4,0,0.2,1);
}

.ci-bar-label {
  font-size: 10px;
  color: #94a3b8;
  letter-spacing: 0.04em;
}

/* ============================================
   PARTNERS SECTION
   ============================================ */

.partners {
  padding: 100px 0;
  background: var(--off-white);
}

.partners-header {
  text-align: center;
  margin-bottom: 64px;
}

.partners-header .section-label {
  justify-content: center;
  margin-bottom: 12px;
}

.partners-header .section-title {
  text-align: center;
}

.partners-header .section-desc {
  margin: 16px auto 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  text-align: center;
  max-width: 560px;
}

/* ─ Partner Group ─ */
.partner-group {
  margin-bottom: 48px;
}

.partner-group:last-child {
  margin-bottom: 0;
}

.partner-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--gray-200);
}

.partner-group-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  flex-shrink: 0;
}

.badge--blue   { background: rgba(30,78,216,0.08); color: var(--primary-blue); border: 1px solid rgba(30,78,216,0.18); }
.badge--cyan   { background: rgba(6,182,212,0.08);  color: #0891B2;             border: 1px solid rgba(6,182,212,0.2);  }
.badge--purple { background: rgba(139,92,246,0.08); color: #7C3AED;             border: 1px solid rgba(139,92,246,0.2); }

.partner-group-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.partner-group-sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 4px;
}

/* ─ Logo Grid ─ */
.partner-logo-grid {
  display: grid;
  gap: 14px;
}

/* 파트너사: 4열 고정 */
.partner-logo-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 협력사: 3열 고정 */
.partner-logo-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* 자격증: 4열 고정 */
.cert-logo-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.partner-logo-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  transition: var(--transition);
}

.partner-logo-card:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.partner-logo-card img {
  max-width: 120px;
  max-height: 48px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: var(--transition);
}

.partner-logo-card--png img {
  mix-blend-mode: multiply;
}

.partner-logo-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ─ Cert Grid ─ */
.cert-logo-grid {
  display: grid;
  gap: 14px;
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
}

.cert-card:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.cert-img-wrap {
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-img-wrap img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.cert-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.cert-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.cert-count {
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  background: var(--primary-blue);
  padding: 3px 12px;
  border-radius: 20px;
  line-height: 1.4;
}

/* ============================================
   CERTIFICATES SECTION
   ============================================ */

.certificates {
  padding: 100px 0;
  background: var(--white);
}

.certificates-header {
  text-align: center;
  margin-bottom: 60px;
}

.certificates-header .section-label {
  justify-content: center;
  margin-bottom: 12px;
}

.certificates-header .section-title {
  text-align: center;
}

.certificates-header .section-desc {
  margin: 16px auto 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  text-align: center;
  max-width: 520px;
}

/* ─ 인증서 카드 그리드 ─ */
.cert-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ─ 카드 ─ */
.cert-doc-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  display: flex;
  flex-direction: column;
}

.cert-doc-card:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.cert-doc-card:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ─ 이미지 영역 ─ */
.cert-doc-img-wrap {
  position: relative;
  background: var(--gray-100);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-doc-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cert-doc-card:hover .cert-doc-img-wrap img {
  transform: scale(1.04);
}

/* 줌 아이콘 오버레이 */
.cert-doc-zoom-icon {
  position: absolute;
  inset: 0;
  background: rgba(11, 60, 138, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cert-doc-card:hover .cert-doc-zoom-icon {
  opacity: 1;
}

/* ─ 카드 하단 정보 ─ */
.cert-doc-info {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.cert-doc-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid;
  width: fit-content;
  margin-bottom: 2px;
}

.cert-doc-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
}

.cert-doc-sub {
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ─ 라이트박스 ─ */
.certlb-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(6, 15, 30, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(6px);
}

.certlb-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.certlb-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 800px;
  width: 100%;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.certlb-overlay.open .certlb-inner {
  transform: scale(1);
}

.certlb-inner img {
  max-height: 80vh;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  background: white;
  padding: 12px;
}

.certlb-caption {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.02em;
  text-align: center;
}

.certlb-close {
  position: fixed;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  z-index: 9001;
}

.certlb-close:hover {
  background: rgba(255,255,255,0.22);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .cert-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .cert-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

/* ============================================
   TECH SUPPORT SECTION
   ============================================ */

/* ============================================
   SUPPORT (TAC) — REDESIGN
   ============================================ */

.tac {
  background: #060f1e;
  position: relative;
  overflow: hidden;
  padding-bottom: 100px;
}

.tac::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ── 프로모션 마퀴 배너 ── */
.tac-promo-bar {
  background: linear-gradient(90deg, #0a4a8f 0%, #1565c0 50%, #0d47a1 100%);
  overflow: hidden;
  white-space: nowrap;
  padding: 10px 0;
  position: relative;
  z-index: 2;
}

.tac-promo-track {
  display: inline-block;
  animation: marquee-slide 28s linear infinite;
  white-space: nowrap;
}

.tac-promo-item {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.92);
  padding: 0 24px;
  letter-spacing: 0.02em;
}

.tac-promo-item strong {
  font-weight: 800;
  color: #fff;
}

.tac-promo-star {
  color: #FFD700;
  margin-right: 6px;
}

.tac-promo-sep {
  color: rgba(255,255,255,0.35);
  font-size: 11px;
  padding: 0 8px;
}

@keyframes marquee-slide {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── 섹션 헤더 ── */
.tac-section-header {
  text-align: center;
  padding: 80px 0 56px;
  position: relative;
  z-index: 1;
}

.tac-label {
  color: rgba(255,255,255,0.65) !important;
  justify-content: center;
}

.tac-label::before {
  background: rgba(255,255,255,0.65) !important;
}

.tac-main-title {
  color: #fff !important;
  text-align: center;
}

.tac-main-desc {
  margin-top: 16px;
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
  text-align: center;
}

/* ── 메인 레이아웃: 카드col + 폼col ── */
.tac-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 28px;
  align-items: stretch;
  padding-bottom: 80px;
}

.tac-cards-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── 연락처 카드 ── */
.tac-ccard {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
  flex: 1;
}

.tac-ccard--tac {
  border-left: 3px solid #3b82f6;
}

.tac-ccard--sales {
  border-left: 3px solid #10b981;
}

.tac-ccard:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.35);
}

.tac-ccard-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.03);
}

.tac-ccard-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #60a5fa;
  background: rgba(59,130,246,0.15);
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid rgba(59,130,246,0.35);
}

.tac-ccard-badge--sales {
  color: #34d399;
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.3);
}

.tac-ccard-type {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.01em;
}

.tac-ccard-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tac-ccard-person {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tac-ccard-avatar {
  width: 44px;
  height: 44px;
  background: rgba(59,130,246,0.18);
  border: 2px solid rgba(59,130,246,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #93c5fd;
  flex-shrink: 0;
}

.tac-ccard-avatar--sales {
  background: rgba(16,185,129,0.15);
  border-color: rgba(16,185,129,0.35);
  color: #6ee7b7;
}

.tac-ccard-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.tac-ccard-role {
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  margin-top: 2px;
}

.tac-ccard-contacts {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tac-ccard-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.tac-ccard-btn--phone {
  background: rgba(59,130,246,0.14);
  color: #93c5fd;
  border: 1px solid rgba(59,130,246,0.25);
}

.tac-ccard-btn--phone:hover {
  background: rgba(59,130,246,0.28);
  color: #fff;
  border-color: rgba(59,130,246,0.5);
}

.tac-ccard-btn--phone-sales {
  background: rgba(16,185,129,0.12);
  color: #6ee7b7;
  border: 1px solid rgba(16,185,129,0.22);
}

.tac-ccard-btn--phone-sales:hover {
  background: rgba(16,185,129,0.24);
  color: #fff;
  border-color: rgba(16,185,129,0.45);
}

.tac-ccard-btn--email {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  word-break: break-all;
}

.tac-ccard-btn--email:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.tac-ccard-btn--email-sales {
  color: rgba(110,231,183,0.8);
  border-color: rgba(16,185,129,0.15);
}

.tac-ccard-btn--email-sales:hover {
  color: #6ee7b7;
}

.tac-ccard-hours {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  padding: 0 2px;
}

/* ── 문의 폼 ── */
.tac-form-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 28px 28px 28px;
  display: flex;
  flex-direction: column;
}

.tac-form-title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.tac-form-guide {
  font-size: 12.5px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
  line-height: 1.5;
}

.tac-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.tac-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tac-form-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tac-form-req {
  color: #f87171;
}

.tac-form-field input,
.tac-form-field textarea,
.tac-form-select {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 9px;
  padding: 11px 15px;
  font-size: 13.5px;
  color: #fff;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
  resize: none;
}

.tac-form-field:has(textarea) {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tac-form-field:has(textarea) textarea {
  flex: 1;
  height: 100%;
  min-height: 120px;
}

.tac-form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='rgba(255,255,255,0.4)' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.tac-form-select option {
  background: #0c1e36;
  color: #fff;
}

.tac-form-field input::placeholder,
.tac-form-field textarea::placeholder {
  color: rgba(255,255,255,0.25);
}

.tac-form-field input:focus,
.tac-form-field textarea:focus,
.tac-form-select:focus {
  outline: none;
  border-color: rgba(59,130,246,0.6);
  background: rgba(255,255,255,0.1);
}

.tac-form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
  border: none;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  letter-spacing: 0.02em;
  margin-top: 4px;
}

.tac-form-submit:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.45);
}

/* ── 구버전 클래스 유지 ── */
.tac-main-grid, .tac-left, .tac-right,
.tac-features-title, .tac-features,
.tac-feature, .tac-feature-icon,
.tac-feature-title, .tac-feature-desc,
.tac-contact-cards-new {}

@media (max-width: 900px) {
  .tac-layout {
    grid-template-columns: 1fr;
  }
  .tac-cards-col {
    flex-direction: row;
  }
  .tac-ccard {
    flex: 1;
  }
}

@media (max-width: 600px) {
  .tac-cards-col {
    flex-direction: column;
  }
}

/* (legacy) ── 기존 클래스 — 빈 유지 ── */
.tac-inner, .tac-content, .tac-contact-cards,
.tac-contact-card, .tac-contact-icon, .tac-contact-label,
.tac-contact-value, .tac-contact-sub, .tac-btn-wrap,
.tac-feature-content, .tac-desc {}

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-blue);
  background: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.tac-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.tac-content {
  color: white;
}

.tac-content .section-label {
  color: rgba(255,255,255,0.7);
}

.tac-content .section-label::before {
  background: rgba(255,255,255,0.7);
}

.tac-content .section-title {
  color: white;
}

.tac-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-top: 20px;
  margin-bottom: 40px;
}

.tac-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tac-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.tac-feature:hover {
  background: rgba(255,255,255,0.14);
  transform: translateX(4px);
}

.tac-feature-icon {
  font-size: 24px;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tac-feature-content {}

.tac-feature-title {
  font-size: 15px;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}

.tac-feature-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

/* TAC contact cards */
.tac-contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tac-contact-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.tac-contact-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-4px);
}

.tac-contact-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.tac-contact-label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.tac-contact-value {
  font-size: 24px;
  font-weight: 900;
  color: white;
  letter-spacing: -0.5px;
}

.tac-contact-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
}

.tac-btn-wrap {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-blue);
  background: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* ============================================
   CAREERS (RECRUITMENT) — REDESIGN
   ============================================ */

/* ══════════════════════════════════════════
   RECRUITMENT — Light & Clean
   ══════════════════════════════════════════ */
.recruitment {
  background: #f8fafc;
  padding: 100px 0;
  position: relative;
}

.recruitment::before { display: none; }

/* ── 섹션 헤더 ── */
.recruit-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
}

.recruit-label {
  justify-content: center;
  color: #64748b !important;
}
.recruit-label::before { background: #94a3b8 !important; }

.recruit-title { color: #0f172a !important; text-align: center; }

.recruit-desc {
  margin-top: 16px;
  font-size: 15px;
  color: #64748b;
  line-height: 1.75;
  text-align: center;
}

.recruit-inquiry-btn {
  display: inline-block;
  margin-top: 28px;
  text-decoration: none;
}

/* ── 블록 공통 ── */
.recruit-block {
  position: relative;
  margin-bottom: 64px;
}

.recruit-block:last-of-type { margin-bottom: 0; }

.recruit-block-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.recruit-block-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e2e8f0;
}

/* ── ① 성장 로드맵 — 타임라인 스타일 ── */
.recruit-roadmap { position: relative; }

.rr-track {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

/* 가로 연결선 */
.rr-track::before {
  content: '';
  position: absolute;
  top: 25px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, #bfdbfe 0%, #3b82f6 60%, #1d4ed8 100%);
  border-radius: 2px;
  z-index: 0;
}

.rr-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* 바 → 번호 원형 */
.rr-step-bar {
  width: 52px;
  height: 52px !important;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #bfdbfe;
  box-shadow: 0 2px 10px rgba(59,130,246,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #3b82f6;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.2s;
}

.rr-step--1 .rr-step-bar::before { content: '01'; }
.rr-step--2 .rr-step-bar::before { content: '02'; }
.rr-step--3 .rr-step-bar::before { content: '03'; }
.rr-step--4 .rr-step-bar::before { content: '04'; }
.rr-step--5 .rr-step-bar::before { content: '05'; }

/* 마지막 단계 강조 */
.rr-step--5 .rr-step-bar {
  background: #2563eb !important;
  border-color: #1d4ed8 !important;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4) !important;
}
.rr-step--5 .rr-step-bar::before { color: #fff; }

.rr-step:hover .rr-step-bar {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,99,235,0.25);
}

.rr-step-info {
  text-align: center;
  padding: 14px 6px 0;
}

.rr-step-level {
  font-size: 10px;
  color: #94a3b8;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.rr-step-title {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 5px;
}

.rr-step-desc {
  font-size: 11px;
  color: #64748b;
  line-height: 1.55;
}

.rr-arrow { display: none; }

.rr-baseline { display: none; }

.rr-kpi-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 11px 16px;
  background: #eff6ff;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  font-size: 12.5px;
  color: #2563eb;
  font-weight: 500;
}

/* ── ② 복리후생 그리드 ── */
.recruit-benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.rb-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 22px 20px 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.rb-card:hover {
  border-color: #bfdbfe;
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(37,99,235,0.1);
}

.rb-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.rb-icon {
  width: 44px;
  height: 44px;
  background: #eff6ff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
}

/* HOT 카드 */
.rb-card--hot {
  border-color: #fde68a;
  background: #fffbeb;
}

.rb-card--hot:hover {
  border-color: #fbbf24;
  box-shadow: 0 12px 32px rgba(251,191,36,0.15);
}

.rb-card--hot .rb-icon {
  background: #fef3c7;
  color: #d97706;
}

.rb-hot-badge {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #d97706;
  background: #fef3c7;
  border: 1px solid #fde68a;
  padding: 3px 8px;
  border-radius: 20px;
  animation: hot-pulse 2s ease-in-out infinite;
}

@keyframes hot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.75; transform: scale(1.06); }
}

.rb-title {
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
  line-height: 1.3;
}

.rb-desc {
  font-size: 12px;
  color: #64748b;
  line-height: 1.55;
}

.rb-soon {
  display: inline-block;
  margin-top: 4px;
  font-size: 10px;
  font-weight: 700;
  color: #d97706;
  background: #fef3c7;
  padding: 2px 7px;
  border-radius: 10px;
  letter-spacing: 0.04em;
}

/* ── ③ 채용 프로세스 ── */
.recruit-block--process { margin-bottom: 56px; }

.recruit-process {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 4px;
}

.rp-step {
  flex: 1;
  min-width: 110px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px 12px 18px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.rp-step:hover {
  border-color: #bfdbfe;
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(37,99,235,0.1);
}

.rp-step--final {
  background: #eff6ff;
  border-color: #bfdbfe;
}

.rp-step--final:hover {
  background: #dbeafe;
  box-shadow: 0 10px 28px rgba(37,99,235,0.18);
}

.rp-num {
  font-size: 10px;
  font-weight: 800;
  color: #cbd5e1;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.rp-step--final .rp-num { color: #2563eb; }

.rp-icon {
  width: 44px;
  height: 44px;
  background: #f1f5f9;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  margin: 0 auto 10px;
  transition: var(--transition);
}

.rp-step:hover .rp-icon { color: #3b82f6; background: #dbeafe; }
.rp-step--final .rp-icon { color: #3b82f6; background: #dbeafe; }

.rp-name {
  font-size: 13px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 5px;
}

.rp-detail {
  font-size: 11px;
  color: #64748b;
  line-height: 1.5;
}

.rp-connector {
  padding: 0 6px;
  color: #cbd5e1;
  flex-shrink: 0;
  padding-bottom: 28px;
}

/* ── CTA ── */
.recruit-cta {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 56px;
  position: relative;
}

.btn-recruit-primary {
  padding: 15px 36px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: #2563eb;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37,99,235,0.35);
}

.btn-recruit-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,99,235,0.45);
}

.btn-recruit-secondary {
  padding: 15px 36px;
  font-size: 14px;
  font-weight: 600;
  color: #475569;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: var(--transition);
}

.btn-recruit-secondary:hover {
  background: #f1f5f9;
  color: #0f172a;
  border-color: #cbd5e1;
  transform: translateY(-2px);
}

/* ============================================
   NOTICE SECTION
   ============================================ */

.notice {
  background: var(--off-white);
  padding: 100px 0;
}

.notice-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
}

.notice-header-left {}

.notice-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.notice-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

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

.notice-item:hover {
  background: var(--light-blue);
}

.notice-item:hover .notice-title {
  color: var(--primary-blue);
}

.notice-date {
  font-size: 13px;
  color: var(--gray-400);
  flex-shrink: 0;
  min-width: 90px;
}

.notice-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.notice-badge.type-notice {
  background: var(--light-blue);
  color: var(--primary-blue);
}

.notice-badge.type-info {
  background: #F0FFF4;
  color: #15803D;
}

.notice-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
  transition: color 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.notice-arrow {
  font-size: 14px;
  color: var(--gray-400);
  flex-shrink: 0;
  transition: var(--transition);
}

.notice-item:hover .notice-arrow {
  color: var(--primary-blue);
  transform: translateX(3px);
}

.notice-footer {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: var(--gray-800);
  color: white;
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo-img {
  height: 26px;
  width: auto;
  display: block;
}

.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 28px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.footer-contact-item strong {
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  flex-shrink: 0;
  width: 36px;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-nav-group {}

.footer-nav-title {
  font-size: 13px;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  letter-spacing: 0.5px;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-list a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: var(--transition);
}

.footer-nav-list a:hover {
  color: white;
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

.footer-cert {
  display: flex;
  gap: 12px;
}

.cert-badge {
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
}

/* ============================================
   SCROLL TOP BUTTON
   ============================================ */

.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary-blue);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(30,78,216,0.4);
  transition: var(--transition);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--deep-blue);
  transform: translateY(-3px);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .hero-biz {
    grid-column: 1 / -1;
  }
  .hero-biz-device {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 10px;
  }
  .hero-biz-device > .device-header {
    flex-basis: 100%;
  }
  .hero-biz-card {
    flex: 1 1 calc(50% - 10px);
    min-width: 180px;
  }
}

@media (max-width: 1024px) {
  .business-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-biz {
    order: 1;
  }

  .hero-biz-device {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
  }

  .hero-biz-device > .device-header {
    flex-basis: 100%;
  }

  .hero-biz-card {
    flex: 1 1 calc(50% - 10px);
    min-width: 160px;
  }

  .hero-device {
    max-width: 100%;
    margin: 0 auto;
  }

  .tac-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 64px 0 72px;
  }

  .overview-visual {
    max-width: 460px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ceo-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .ceo-photo-frame {
    max-width: 340px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 20px;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-inner {
    padding: 60px 20px;
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: 1;
  }

  .hero-biz {
    order: 2;
  }

  .hero-biz-device {
    flex-direction: column;
    gap: 8px;
  }

  .hero-biz-card {
    flex: unset;
  }

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

  .hero-device {
    max-width: 360px;
    margin: 0 auto;
  }

  .container {
    padding: 0 20px;
  }

  section {
    padding: 70px 0;
  }

  .business-grid {
    grid-template-columns: 1fr;
  }

  .clients-stats-bar {
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 20px;
  }

  .clients-stat-divider {
    display: none;
  }

  .clients-stat-item {
    padding: 0 12px;
  }

  .clients-infographic {
    grid-template-columns: repeat(2, 1fr);
  }

  .clients-infographic {
    grid-template-columns: 1fr;
  }

  .tac-contact-cards {
    grid-template-columns: 1fr;
  }

  .recruitment-inner {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    text-align: center;
  }

  .recruitment-inner::after {
    display: none;
  }

  .recruitment-perks {
    justify-content: center;
  }

  .footer-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .ceo-values {
    grid-template-columns: 1fr;
  }

  .partner-logo-grid--4,
  .partner-logo-grid--3,
  .cert-logo-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .partner-group-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .notice-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .notice-item {
    padding: 16px 20px;
    gap: 12px;
  }

  .notice-date {
    display: none;
  }
}