@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

/* ============================================================
   1. Root Variables & Reset
   ============================================================ */
:root {
  --primary-color: #0b3b82;
  --primary-dark: #062250;
  --primary-light: #1656b8;
  --accent-color: #008cd6;
  --accent-orange: #ff6600;
  --text-dark: #1e293b;
  --text-body: #475569;
  --text-muted: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --font-base: 'Noto Sans KR', 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-en: 'Montserrat', sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--text-body);
  background-color: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol, li {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Section Title Common */
.section-title-wrap {
  text-align: center;
  margin-bottom: 50px;
}
.section-title-wrap .sub-title {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title-wrap h2 {
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}
.section-title-wrap .line {
  width: 50px;
  height: 3px;
  background-color: var(--accent-color);
  margin: 0 auto 18px;
  border-radius: 2px;
}
.section-title-wrap p {
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 720px;
  margin: 0 auto;
  word-break: keep-all;
}

/* ============================================================
   2. Top GNB Header (시너지시스템즈 스타일)
   ============================================================ */
#headerWrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  background: rgba(10, 25, 47, 0.45);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

#headerWrap.scrolled {
  background: #ffffff;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: var(--transition);
}

#headerWrap.scrolled .header-container {
  height: 72px;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-logo a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: #ffffff;
  letter-spacing: 0.5px;
}
#headerWrap.scrolled .header-logo a {
  color: var(--primary-dark);
}
.header-logo-symbol {
  height: 48px;
  width: auto;
  max-width: 48px;
  object-fit: contain; /* 위아래가 잘리지 않고 원본 비율 전체 표시 */
  border-radius: 4px; /* 네모난 형태 유지 */
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
  display: block;
}
#headerWrap.scrolled .header-logo-symbol {
  border-color: var(--border-color);
}
.header-logo .brand-badge {
  background: var(--accent-orange);
  color: #fff;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
}

/* GNB Navigation */
.nav-wrap {
  display: flex;
  align-items: center;
  height: 100%;
}

.gnb {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 10px;
}

.gnbDepth01 {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.gnbDepth01 > a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 18px;
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  position: relative;
}

#headerWrap.scrolled .gnbDepth01 > a {
  color: var(--text-dark);
}

.gnbDepth01 > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background-color: var(--accent-color);
  transition: var(--transition);
}

.gnbDepth01:hover > a {
  color: var(--accent-color);
}

.gnbDepth01:hover > a::after {
  width: calc(100% - 36px);
}

/* 2Depth Dropdown Menu */
.gnbDepth02 {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 200px;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  pointer-events: none;
  border: 1px solid var(--border-color);
}

.gnbDepth01:hover .gnbDepth02 {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.gnbDepth02 li a {
  display: block;
  padding: 10px 22px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
  white-space: nowrap;
}

.gnbDepth02 li a:hover {
  background-color: #f1f7ff;
  color: var(--accent-color);
  padding-left: 28px;
}

/* Header Utilities (Language, Intranet, Mobile Toggle) */
.header-utils {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-btn {
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 5px 12px;
  border-radius: 20px;
  transition: var(--transition);
}

#headerWrap.scrolled .lang-btn {
  color: var(--text-dark);
  border-color: var(--border-color);
}

.lang-btn:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

.btn-intranet-quick {
  background: var(--accent-color);
  color: #ffffff !important;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 140, 214, 0.3);
  transition: var(--transition);
}

.btn-intranet-quick:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

/* Mobile Hamburger Toggle */
#snbOpen {
  display: none;
  font-size: 1.5rem;
  color: #ffffff;
  padding: 8px;
}

#headerWrap.scrolled #snbOpen {
  color: var(--text-dark);
}

/* ============================================================
   3. Mobile Off-Canvas Drawer (#sideBar)
   ============================================================ */
#sideBarCover {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

#sideBarCover.active {
  opacity: 1;
  visibility: visible;
}

#sideBar {
  position: fixed;
  top: 0;
  right: -340px;
  width: 320px;
  height: 100%;
  background: #0f172a;
  color: #ffffff;
  z-index: 1999;
  transition: right 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.3);
}

#sideBar.active {
  right: 0;
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

#snbClose {
  font-size: 1.4rem;
  color: #94a3b8;
  cursor: pointer;
  transition: var(--transition);
}

#snbClose:hover {
  color: #fff;
}

.sidebar-menu {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
}

.sidebar-menu li.snb-depth01 {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-menu .snb-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #cbd5e1;
  cursor: pointer;
  transition: var(--transition);
}

.sidebar-menu .snb-title:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-menu .snb-arrow {
  transition: transform 0.3s ease;
  font-size: 0.8rem;
}

.sidebar-menu li.open .snb-arrow {
  transform: rotate(180deg);
}

.sidebar-sub {
  display: none;
  background: rgba(0, 0, 0, 0.25);
  padding: 8px 0;
}

.sidebar-sub li a {
  display: block;
  padding: 10px 20px 10px 34px;
  font-size: 0.88rem;
  color: #94a3b8;
}

.sidebar-sub li a:hover {
  color: var(--accent-color);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
}

.sidebar-footer .snb-contact {
  font-size: 0.82rem;
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 16px;
}

.sidebar-footer .snb-btn-intranet {
  display: block;
  text-align: center;
  background: var(--accent-color);
  color: #fff;
  padding: 10px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.9rem;
}

/* ============================================================
   4. Hero Visual Slider (시너지시스템즈 부드러운 좌우 트랙 슬라이더)
   ============================================================ */
.hero-slider-wrap {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  max-height: 880px;
  background-color: #0b192c;
  overflow: hidden;
}

/* Horizontal Sliding Track */
.hero-slides-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.75s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.hero-slide {
  position: relative;
  min-width: 100%;
  width: 100%;
  height: 100%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(7, 26, 56, 0.85) 0%, rgba(11, 59, 130, 0.65) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #ffffff;
  max-width: 820px;
  padding-top: 40px;
}

.hero-content .badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s ease 0.15s;
}

.hero-content .hero-line {
  width: 80px;
  height: 4px;
  background: var(--accent-orange);
  margin-bottom: 24px;
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: all 0.6s ease 0.3s;
}

.hero-content p {
  font-size: 1.25rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.7;
  margin-bottom: 36px;
  word-break: keep-all;
  opacity: 0;
  transform: translateY(25px);
  transition: all 0.7s ease 0.4s;
}

.hero-btn-group {
  display: flex;
  gap: 16px;
  align-items: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease 0.55s;
}

/* Active Slide Text Animations */
.hero-slide.active .hero-content .badge {
  opacity: 1;
  transform: translateY(0);
}
.hero-slide.active .hero-content h1 {
  opacity: 1;
  transform: translateY(0);
}
.hero-slide.active .hero-content .hero-line {
  opacity: 1;
  transform: scaleX(1);
}
.hero-slide.active .hero-content p {
  opacity: 1;
  transform: translateY(0);
}
.hero-slide.active .hero-content .hero-btn-group {
  opacity: 1;
  transform: translateY(0);
}

/* Synergy Systems Style MORE Button */
.btn-synergy-more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.9);
  color: #0f172a !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 30px;
  border-radius: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-synergy-more:hover {
  background: #ffffff;
  color: var(--primary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-primary-custom {
  background: var(--accent-color);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 34px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 6px 20px rgba(0, 140, 214, 0.35);
  transition: var(--transition);
}

.btn-primary-custom:hover {
  background: #0077b6;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 140, 214, 0.45);
}

.btn-outline-custom {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 30px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}

.btn-outline-custom:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: #fff;
}

/* ============================================================
   Synergy Systems Side Arrow Buttons (좌/우 반투명 박스 화살표)
   ============================================================ */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  width: 52px;
  height: 96px;
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  backdrop-filter: blur(2px);
  border: none;
  outline: none;
}

.hero-arrow:hover {
  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;
}

.hero-arrow-prev {
  left: 0;
  border-radius: 0 6px 6px 0;
}

.hero-arrow-prev:hover {
  padding-right: 6px;
}

.hero-arrow-next {
  right: 0;
  border-radius: 6px 0 0 6px;
}

.hero-arrow-next:hover {
  padding-left: 6px;
}

/* Bottom Pagination Bullets */
.hero-pagination {
  position: absolute;
  bottom: 35px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 25;
  display: flex;
  gap: 10px;
  align-items: center;
}

.hero-pagination .bullet {
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.hero-pagination .bullet.active {
  width: 36px;
  background: var(--accent-color);
  box-shadow: 0 0 10px rgba(0, 140, 214, 0.6);
}

/* ============================================================
   5. Section 01: Overview & Vision
   ============================================================ */
.section-overview {
  padding: 100px 0;
  background: #ffffff;
  position: relative;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.overview-card {
  background: var(--bg-light);
  border-radius: 12px;
  padding: 40px 30px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
}

.overview-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
  background: #ffffff;
}

.overview-card .icon-box {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  background: #e6f3fb;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 24px;
  transition: var(--transition);
}

.overview-card:hover .icon-box {
  background: var(--accent-color);
  color: #fff;
}

.overview-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
}

.overview-card p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.65;
  word-break: keep-all;
}

/* ============================================================
   6. Section 02: Business & Service (카드 그리드)
   ============================================================ */
.section-business {
  padding: 100px 0;
  background: #f1f5f9;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}

.business-card {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.business-thumb {
  position: relative;
  height: 180px;
  background: #0f172a;
  overflow: hidden;
}

.business-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.business-card:hover .business-thumb img {
  transform: scale(1.08);
}

.business-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 59, 130, 0.9);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
}

.business-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.business-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.business-body p {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 20px;
  word-break: keep-all;
}

.business-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-color);
}

.business-link:hover {
  color: var(--primary-color);
}

/* ============================================================
   7. Section 03: Projects & Performance (롤링 캐러셀)
   ============================================================ */
.section-projects {
  padding: 100px 0;
  background: #ffffff;
}

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

.project-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #0f172a;
  height: 280px;
  cursor: pointer;
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-item:hover img {
  transform: scale(1.1);
  opacity: 0.85;
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px 20px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 100%);
  color: #fff;
  transition: var(--transition);
}

.project-overlay .country {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-orange);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.project-overlay h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.3;
}

.project-overlay p {
  font-size: 0.85rem;
  color: #cbd5e1;
}

/* ============================================================
   8. Section 04: Notice & News
   ============================================================ */
.section-news {
  padding: 90px 0;
  background: var(--bg-light);
}

.news-box {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.news-item {
  display: flex;
  align-items: center;
  padding: 18px 10px;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

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

.news-item:hover {
  background: #f8fafc;
  padding-left: 18px;
}

.news-badge {
  background: #e2e8f0;
  color: var(--text-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-right: 20px;
  min-width: 60px;
  text-align: center;
}

.news-badge.important {
  background: var(--accent-color);
  color: #fff;
}

.news-title {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: 20px;
}

.news-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ============================================================
   9. Section 05: Call to Action (Parallax Banner)
   ============================================================ */
.section-cta {
  position: relative;
  padding: 110px 0;
  background: linear-gradient(135deg, rgba(6, 34, 80, 0.9) 0%, rgba(11, 59, 130, 0.85) 100%), url('../../images/pic08.jpg') center/cover no-repeat fixed;
  color: #ffffff;
  text-align: center;
}

.cta-content {
  max-width: 760px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.cta-content p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin-bottom: 36px;
  word-break: keep-all;
}

.cta-btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* ============================================================
   10. Floating Quick Menu (.sideSupport) & Top Button
   ============================================================ */
.sideSupport {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sideSupport a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 8px;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.sideSupport a i {
  font-size: 1.25rem;
  margin-bottom: 3px;
}

.sideSupport a.btn-quick-inquiry {
  background: var(--accent-orange);
}

.sideSupport a.btn-quick-intranet {
  background: var(--primary-color);
}

.sideSupport a.btn-quick-top {
  background: #334155;
  cursor: pointer;
}

.sideSupport a:hover {
  transform: translateY(-4px);
  filter: brightness(1.1);
}

/* ============================================================
   11. Standard Corporate Footer
   ============================================================ */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-top-bar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: #cbd5e1;
  font-weight: 500;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--accent-color);
}

.footer-links a.highlight {
  color: #fff;
  font-weight: 700;
}

.footer-main {
  padding: 45px 0 35px;
}

.footer-info-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

.footer-company h4 {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-address {
  line-height: 1.8;
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.footer-address span {
  display: inline-block;
  margin-right: 16px;
}

.footer-copyright {
  font-size: 0.82rem;
  color: #64748b;
  margin-top: 15px;
}

.footer-cs h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.footer-cs .tel {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 8px;
}

.footer-cs p {
  font-size: 0.82rem;
  line-height: 1.6;
}

/* ============================================================
   12. Sub-Page Common Template Styles
   ============================================================ */
.sub-hero-banner {
  position: relative;
  height: 320px;
  background: linear-gradient(135deg, rgba(7, 26, 56, 0.9) 0%, rgba(11, 59, 130, 0.8) 100%), url('../../images/pic08.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding-top: 60px;
}

.sub-hero-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.sub-hero-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
}

/* Breadcrumb Navigation */
.breadcrumb-wrap {
  background: #f1f5f9;
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb-list a {
  color: var(--text-body);
}

.breadcrumb-list a:hover {
  color: var(--accent-color);
}

.breadcrumb-list .current {
  color: var(--accent-color);
  font-weight: 700;
}

/* Sub Tab Navigation (LNB) */
.sub-tab-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 40px 0 50px;
  flex-wrap: wrap;
}

.sub-tab-nav a {
  padding: 12px 28px;
  border-radius: 30px;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  transition: var(--transition);
}

.sub-tab-nav a:hover,
.sub-tab-nav a.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(11, 59, 130, 0.25);
}

/* Sub Content Container */
.sub-content-body {
  padding-bottom: 100px;
  min-height: 500px;
}

/* ============================================================
   13. Responsive Media Queries
   ============================================================ */
@media (max-width: 1024px) {
  .gnbDepth01 > a {
    padding: 0 12px;
    font-size: 0.88rem;
  }
  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-info-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 860px) {
  .nav-wrap {
    display: none;
  }
  #snbOpen {
    display: block;
  }
  .hero-content h1 {
    font-size: 2.4rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .overview-grid {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .section-title-wrap h2 {
    font-size: 1.8rem;
  }
  .sideSupport {
    right: 12px;
    bottom: 60px;
  }
  .sideSupport a {
    width: 48px;
    height: 48px;
    font-size: 0.65rem;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: 14px;
  }
}