/* =============================================
   (주)클린워시코리아 - 메인 스타일시트
   Industrial B2B Corporate Website
   ============================================= */

/* ---- CSS Variables ---- */
:root {
  --navy: #0d1f3c;
  --deep-blue: #0a2463;
  --primary-blue: #0077cc;
  --bright-blue: #0099ff;
  --cyan: #00bfff;
  --silver: #8a9bb0;
  --light-gray: #f4f6f9;
  --border-color: #e1e8f0;
  --white: #ffffff;
  --text-dark: #0d1f3c;
  --text-mid: #3d5a80;
  --text-light: #8a9bb0;
  --success: #00c878;
  --warning: #f59e0b;
  --danger: #ef4444;

  --font-kr: 'Noto Sans KR', sans-serif;
  --font-en: 'Inter', sans-serif;

  --shadow-sm: 0 1px 4px rgba(0, 50, 120, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 50, 120, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 50, 120, 0.18);
  --shadow-blue: 0 8px 30px rgba(0, 119, 204, 0.3);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-kr);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
select, input, textarea { font-family: var(--font-kr); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding { padding: 100px 0; }
.bg-light { background: var(--light-gray); }
.bg-dark { background: var(--navy); }
.hidden { display: none !important; }

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-top {
  background: var(--navy);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.header-top-inner {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

.header-top-inner i { color: var(--bright-blue); margin-right: 5px; }
.header-top-inner strong { color: var(--bright-blue); }

.header-main {
  background: rgba(13, 31, 60, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 119, 204, 0.2);
  transition: var(--transition);
}



.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-text { display: flex; flex-direction: column; }
.logo-main {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.logo-sub {
  font-size: 10px;
  color: var(--silver);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-menu li a {
  display: block;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-menu li a:hover { color: var(--white); background: rgba(0, 150, 255, 0.15); }
.nav-menu li a.active { color: var(--bright-blue); }

.nav-cta-btn {
  background: var(--primary-blue) !important;
  color: var(--white) !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}
.nav-cta-btn:hover {
  background: var(--bright-blue) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(10,36,99,0.92) 0%, rgba(0,50,120,0.88) 50%, rgba(0,30,80,0.95) 100%),
    url('../images/hero-bg.jpg') center/cover no-repeat;
  padding-top: 120px;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(0, 119, 204, 0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 191, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(0, 191, 255, 0.5);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 119, 204, 0.25);
  border: 1px solid rgba(0, 191, 255, 0.4);
  color: var(--cyan);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 12.5px;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
  letter-spacing: 0.3px;
}
.hero-badge i { font-size: 11px; }

.hero-title {
  font-size: clamp(36px, 5.2vw, 64px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 22px;
}
.hero-title .highlight {
  color: var(--bright-blue);
  position: relative;
}
.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bright-blue), transparent);
  border-radius: 2px;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 19px);
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 40px;
  font-weight: 300;
}

.hero-stats {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 44px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 100%;
}
.stat-item {
  flex: 1;
  padding: 20px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}
.stat-item strong {
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  font-family: var(--font-en);
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  /* 너비 고정으로 카운터 애니메이션 시 레이아웃 흔들림 방지 */
  min-width: 4ch;
  justify-content: center;
}
.stat-item strong em.count-val {
  font-style: normal;
  display: inline-block;
  min-width: 2ch;
  text-align: right;
}
.stat-item strong span { font-size: 16px; color: var(--cyan); }
.stat-item > span:last-child {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  font-weight: 400;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

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

.btn-primary-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-blue);
  color: var(--white);
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  box-shadow: var(--shadow-blue);
  transition: var(--transition);
}
.btn-primary-hero:hover {
  background: var(--bright-blue);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 119, 204, 0.5);
}

.btn-secondary-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  color: var(--white);
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.btn-secondary-hero:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-2px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  animation: bounce-down 2s ease-in-out infinite;
}
.scroll-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}
@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* =============================================
   NOTICE TICKER
   ============================================= */
.notice-ticker {
  background: var(--primary-blue);
  padding: 12px 0;
  overflow: hidden;
}
.ticker-wrapper {
  display: flex;
  align-items: center;
  gap: 20px;
}
.ticker-label {
  background: rgba(255,255,255,0.2);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.ticker-label i { margin-right: 5px; }
.ticker-content {
  overflow: hidden;
  flex: 1;
  white-space: nowrap;
  color: rgba(255,255,255,0.9);
  font-size: 13px;
}
.ticker-content span {
  display: inline-block;
  animation: ticker-scroll 30s linear infinite;
}
@keyframes ticker-scroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* =============================================
   SECTION HEADERS
   ============================================= */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-badge {
  display: inline-block;
  background: rgba(0, 119, 204, 0.1);
  color: var(--primary-blue);
  border: 1px solid rgba(0, 119, 204, 0.25);
  padding: 5px 16px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: var(--font-en);
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-header.light .section-badge {
  background: rgba(0, 191, 255, 0.15);
  color: var(--cyan);
  border-color: rgba(0, 191, 255, 0.3);
}
.section-header.light .section-title { color: var(--white); }
.section-header.light .section-desc { color: rgba(255,255,255,0.6); }

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-blue);
  color: var(--white);
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary:hover {
  background: var(--deep-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary-blue);
  padding: 11px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--primary-blue);
  transition: var(--transition);
}
.btn-secondary:hover {
  background: var(--primary-blue);
  color: var(--white);
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
}
.about-img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.industrial-bg-1 {
  width: 100%;
  height: 100%;
}

.about-img-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}
.about-img-badge i {
  font-size: 24px;
  color: var(--primary-blue);
}
.about-img-badge strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
}
.about-img-badge span {
  font-size: 11px;
  color: var(--text-light);
}

.about-exp-badge {
  position: absolute;
  top: -16px;
  left: -16px;
  background: var(--primary-blue);
  color: var(--white);
  border-radius: 50%;
  width: 80px;
  height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
}
.about-exp-badge strong {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-en);
}
.about-exp-badge span { font-size: 10px; opacity: 0.85; }

.about-intro {
  margin-bottom: 32px;
}
.about-intro h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.about-intro p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.9;
}
.about-intro strong { color: var(--primary-blue); font-weight: 700; }

.about-values {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--light-gray);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary-blue);
  transition: var(--transition);
}
.value-item:hover {
  background: rgba(0, 119, 204, 0.06);
  transform: translateX(4px);
}
.value-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 119, 204, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-blue);
  font-size: 18px;
  flex-shrink: 0;
}
.value-text { display: flex; flex-direction: column; gap: 3px; }
.value-text strong { font-size: 14px; font-weight: 700; color: var(--text-dark); }
.value-text span { font-size: 13px; color: var(--text-mid); }

/* =============================================
   SERVICES SECTION
   ============================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 119, 204, 0.3);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card.featured {
  grid-column: span 2;
  border-color: rgba(0, 119, 204, 0.3);
  background: linear-gradient(135deg, rgba(0, 119, 204, 0.04) 0%, var(--white) 100%);
}
.service-card.featured::before { transform: scaleX(1); }

.service-card-inner { padding: 28px 24px; }

.service-badge-top {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: linear-gradient(135deg, #ff6b00, #ff9500);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
  box-shadow: 0 3px 10px rgba(255, 107, 0, 0.4);
}
.service-badge-top::before {
  content: '★';
  font-size: 11px;
}

.service-icon-wrap {
  width: 52px;
  height: 52px;
  background: rgba(0, 119, 204, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-blue);
  font-size: 22px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: var(--primary-blue);
  color: var(--white);
}

.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 14px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 18px;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--text-mid);
}
.service-features li i { color: var(--success); font-size: 11px; }

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-blue);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}
.service-link:hover { gap: 10px; }

/* =============================================
   NETWORK SECTION
   ============================================= */
.network-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

.korea-map-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 16px;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}
.korea-map-container {
  position: relative;
  width: 100%;
  max-width: 340px;
}
.korea-map-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 6px 24px rgba(0,30,80,0.18));
}
.korea-map-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.map-pulse-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px; height: 12px;
  background: var(--bright-blue);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 0 rgba(0, 153, 255, 0.5);
  animation: pulse-map 2s ease-out infinite;
}
@keyframes pulse-map {
  0% { box-shadow: 0 0 0 0 rgba(0, 153, 255, 0.5); }
  80% { box-shadow: 0 0 0 30px rgba(0, 153, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 153, 255, 0); }
}

.network-regions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  margin-bottom: 28px;
}
.region-group h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.region-group h4 i { color: var(--primary-blue); font-size: 11px; }
.region-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.region-tags span {
  background: rgba(0, 119, 204, 0.08);
  color: var(--primary-blue);
  border: 1px solid rgba(0, 119, 204, 0.2);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}
/* 본사 거점 강조 태그 */
.region-tags span.tag-main {
  background: var(--primary-blue);
  color: var(--white);
  border-color: var(--primary-blue);
  font-weight: 700;
}

.network-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}
.net-feat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  background: var(--light-gray);
  border-radius: var(--radius-sm);
}
.net-feat i {
  font-size: 20px;
  color: var(--primary-blue);
  width: 36px;
  text-align: center;
  flex-shrink: 0;
}
.net-feat strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 2px;
}
.net-feat span { font-size: 12px; color: var(--text-mid); }

/* =============================================
   PROCESS SECTION
   ============================================= */
/* =============================================
   PROCESS TIMELINE (5단계)
   ============================================= */
.process-timeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.process-timeline .process-step {
  flex: 1;
  min-width: 160px;
  max-width: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 16px 24px;
  position: relative;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.process-timeline .process-step:hover {
  background: rgba(0, 119, 204, 0.12);
  border-color: rgba(0, 191, 255, 0.25);
  transform: translateY(-4px);
}

.ps-number {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: 3px;
  opacity: 0.7;
  margin-bottom: 16px;
}

.ps-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 119, 204, 0.15);
  border: 2px solid rgba(0, 191, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 24px;
  color: var(--cyan);
  transition: var(--transition);
}
.process-timeline .process-step:hover .ps-icon {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: var(--white);
  transform: scale(1.08);
}

.ps-content h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.ps-content p {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  margin-bottom: 14px;
}

.ps-detail {
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-start;
  width: 100%;
}
.ps-detail span {
  font-size: 11px;
  color: rgba(0, 191, 255, 0.75);
  display: flex;
  align-items: center;
  gap: 6px;
}
.ps-detail i {
  font-size: 7px;
  color: var(--cyan);
}

.process-timeline .process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(0, 191, 255, 0.35);
  font-size: 18px;
  flex-shrink: 0;
  padding: 0 4px;
  margin-top: 80px;
}

/* 품질 보증 배너 */
.process-guarantee {
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(0, 119, 204, 0.12);
  border: 1px solid rgba(0, 191, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 28px 36px;
  flex-wrap: wrap;
}
.pg-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--white);
  flex-shrink: 0;
}
.pg-text {
  flex: 1;
  min-width: 200px;
}
.pg-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.pg-text p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin: 0;
}

/* 구형 process-flow 호환 (혹시 남아있을 경우 대비) */
.process-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.process-flow .process-step {
  flex: 1;
  min-width: 140px;
  max-width: 200px;
  text-align: center;
  padding: 28px 16px;
}
.process-flow .process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(0, 191, 255, 0.4);
  font-size: 18px;
  padding-top: 60px;
  flex-shrink: 0;
}

/* =============================================
   CLIENTS SECTION
   ============================================= */
.clients-categories {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.client-cat-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  background: var(--white);
  border: 1.5px solid var(--border-color);
  transition: var(--transition);
}
.client-cat-btn:hover,
.client-cat-btn.active {
  background: var(--primary-blue);
  color: var(--white);
  border-color: var(--primary-blue);
}

.clients-logos-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.client-logo-card {
  background: var(--white);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  transition: var(--transition);
  cursor: default;
}
.client-logo-card:hover {
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.client-logo-card.hidden { display: none; }
.client-logo-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.client-logo-inner i {
  font-size: 28px;
  color: var(--silver);
  transition: var(--transition);
}
.client-logo-card:hover .client-logo-inner i { color: var(--primary-blue); }
.client-logo-inner span {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
  line-height: 1.3;
}

.clients-cta {
  text-align: center;
  padding: 16px;
  background: rgba(0, 119, 204, 0.05);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 119, 204, 0.15);
}
.clients-cta p {
  font-size: 13px;
  color: var(--text-mid);
}
.clients-cta i { color: var(--primary-blue); margin-right: 6px; }

/* =============================================
   GALLERY SECTION
   ============================================= */
.gallery-filter-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.gallery-tab {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  background: var(--white);
  border: 1.5px solid var(--border-color);
  transition: var(--transition);
}
.gallery-tab:hover,
.gallery-tab.active {
  background: var(--primary-blue);
  color: var(--white);
  border-color: var(--primary-blue);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  position: relative;
}
.gallery-item.large {
  grid-column: span 2;
  aspect-ratio: 16/9;
}
.gallery-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
  position: relative;
}
.gallery-item:hover .gallery-img { transform: scale(1.05); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,36,99,0.7) 0%, rgba(0,50,120,0.4) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--white);
  opacity: 0;
  transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay i { font-size: 24px; }
.gallery-overlay span {
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  padding: 0 12px;
}

/* Gallery image backgrounds */
.food-bg-1 {
  background:
    linear-gradient(135deg, rgba(0,36,99,0.5) 0%, transparent 100%),
    url('https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?w=600&q=80') center/cover no-repeat;
}
.food-bg-2 {
  background:
    linear-gradient(135deg, rgba(0,36,99,0.4) 0%, transparent 100%),
    url('https://images.unsplash.com/photo-1600180758890-6b94519a8ba6?w=800&q=80') center/cover no-repeat;
}
.industrial-bg-2 {
  background:
    linear-gradient(135deg, rgba(10,36,99,0.5) 0%, transparent 100%),
    url('https://images.unsplash.com/photo-1504328345606-18bbc8c9d7d1?w=800&q=80') center/cover no-repeat;
}
.industrial-bg-3 {
  background:
    linear-gradient(135deg, rgba(10,36,99,0.5) 0%, transparent 100%),
    url('https://images.unsplash.com/photo-1587293852726-70cdb56c2866?w=600&q=80') center/cover no-repeat;
}
.ac-bg-1 {
  background:
    linear-gradient(135deg, rgba(0,36,99,0.5) 0%, transparent 100%),
    url('https://images.unsplash.com/photo-1621905251918-48416bd8575a?w=600&q=80') center/cover no-repeat;
}
.exterior-bg-1 {
  background:
    linear-gradient(135deg, rgba(10,36,99,0.5) 0%, transparent 100%),
    url('https://images.unsplash.com/photo-1486325212027-8081e485255e?w=600&q=80') center/cover no-repeat;
}

/* =============================================
   NEW GALLERY (gi-inner / 더보기)
   ============================================= */
.gallery-section .gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-section .gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.gallery-section .gallery-item.hidden {
  display: none;
}
.gi-inner {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.gi-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.gallery-section .gallery-item:hover .gi-inner img {
  transform: scale(1.06);
}

/* gi-overlay — 호버 시 돋보기 아이콘 */
.gi-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 36, 99, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  color: #fff;
  font-size: 26px;
  pointer-events: none;
}
.gallery-section .gallery-item:hover .gi-overlay { opacity: 1; }

.gallery-cta {
  text-align: center;
  margin-top: 36px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 40px;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--primary-blue);
  color: var(--white);
}

/* =============================================
   GALLERY LIGHTBOX
   ============================================= */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
}
.glb-inner {
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.glb-inner img {
  max-width: 90vw;
  max-height: 76vh;
  object-fit: contain;
  border-radius: 6px;
  display: block;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}
.glb-caption {
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  margin: 0;
  text-align: center;
  max-width: 80vw;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.glb-counter {
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  margin-top: 6px;
}
.glb-close,
.glb-prev,
.glb-next {
  position: fixed;
  background: rgba(255,255,255,0.12);
  border: none;
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s;
  z-index: 10000;
}
.glb-close:hover,
.glb-prev:hover,
.glb-next:hover { background: rgba(255,255,255,0.28); }
.glb-close { top: 16px; right: 16px; font-size: 18px; }
.glb-prev  { left: 16px;  top: 50%; transform: translateY(-50%); }
.glb-next  { right: 16px; top: 50%; transform: translateY(-50%); }

@media (max-width: 768px) {
  .glb-prev { left: 6px;  width: 38px; height: 38px; }
  .glb-next { right: 6px; width: 38px; height: 38px; }
  .glb-inner img { max-height: 68vh; }
}

/* =============================================
   CLIENTS SECTION
   ============================================= */
.clients-section {
  background: var(--white);
}
.client-types {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.ct-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 28px;
  background: var(--bg-light);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  min-width: 110px;
  transition: var(--transition);
}
.ct-item:hover {
  border-color: var(--primary-blue);
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.ct-item i {
  font-size: 26px;
  color: var(--primary-blue);
}
.ct-item strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}
.clients-logo-section {
  margin-top: 8px;
}
.clients-logo-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-mid);
  text-align: center;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.clients-logo-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  align-items: center;
}
.partner-logo {
  width: 100%;
  max-height: 64px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.6);
  transition: var(--transition);
  padding: 8px;
}
.partner-logo:hover {
  filter: grayscale(0%) opacity(1);
}

@media (max-width: 1024px) {
  .gallery-section .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .clients-logo-row { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .gallery-section .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-logo-row { grid-template-columns: repeat(3, 1fr); }
  .client-types { gap: 10px; }
  .ct-item { padding: 16px 18px; min-width: 90px; }
}
@media (max-width: 480px) {
  .gallery-section .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-logo-row { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   CERTIFICATIONS SECTION
   ============================================= */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cert-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.cert-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-blue), var(--cyan));
  transform: scaleX(0);
  transition: var(--transition);
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cert-card:hover::after { transform: scaleX(1); }

.cert-icon {
  width: 68px;
  height: 68px;
  background: rgba(0, 119, 204, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 26px;
  color: var(--primary-blue);
  transition: var(--transition);
}
.cert-card:hover .cert-icon {
  background: var(--primary-blue);
  color: var(--white);
}
.cert-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.cert-card p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 16px;
}
.cert-badge {
  display: inline-block;
  background: rgba(0, 119, 204, 0.08);
  color: var(--primary-blue);
  border: 1px solid rgba(0, 119, 204, 0.2);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-info-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.contact-item:last-of-type { border-bottom: none; }
.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 119, 204, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 16px;
  flex-shrink: 0;
}
.contact-item.phone .contact-icon { background: rgba(0, 199, 120, 0.2); color: var(--success); }
.contact-detail { display: flex; flex-direction: column; gap: 2px; }
.contact-detail span { font-size: 11px; color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 0.5px; }
.contact-detail strong { font-size: 15px; color: var(--white); font-weight: 700; }
.contact-detail small { font-size: 11px; color: rgba(255,255,255,0.45); }

.contact-hours {
  margin-top: 24px;
  padding: 20px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary-blue);
}
.contact-hours h4 {
  font-size: 13px;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: 10px;
}
.contact-hours h4 i { margin-right: 6px; }
.contact-hours p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* FORM */
.inquiry-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.inquiry-form h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}
.form-group {
  margin-bottom: 18px;
}
.form-group.full { grid-column: span 2; }

/* 작업 지역 시/도 + 구/군 가로 2열 배치 */
.form-group.region-group { margin-bottom: 18px; }
.region-selects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.region-selects select:disabled {
  background: #f3f4f6;
  color: #9ca3af;
  cursor: not-allowed;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 7px;
}
.required { color: var(--danger); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 119, 204, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-privacy {
  margin-bottom: 20px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-mid);
}
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary-blue); }
.privacy-link { color: var(--primary-blue); text-decoration: underline; }

.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--primary-blue);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.btn-submit:hover {
  background: var(--deep-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-notice {
  text-align: center;
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-light);
}
.form-notice i { color: var(--success); margin-right: 5px; }

.form-success {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.success-icon {
  font-size: 56px;
  color: var(--success);
  margin-bottom: 20px;
}
.form-success h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.form-success p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 28px;
}
.form-success strong { color: var(--primary-blue); }

/* =============================================
   FOOTER
   ============================================= */
.footer { background: var(--navy); }
.footer-top {
  padding: 80px 0 50px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-logo-main {
  display: block;
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}
.footer-logo-sub {
  display: block;
  font-size: 10px;
  color: var(--silver);
}
.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin-bottom: 24px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--primary-blue);
  color: var(--white);
}

.footer-nav-col h4, .footer-info-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav-col ul li a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-nav-col ul li a:hover { color: var(--cyan); }

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact-list p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.footer-contact-list p i {
  color: var(--primary-blue);
  margin-top: 2px;
  width: 14px;
  flex-shrink: 0;
}

.footer-bottom {
  padding: 24px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}
.footer-biz-info {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}
.footer-biz-info span::after {
  content: '|';
  margin-left: 16px;
  opacity: 0.3;
}
.footer-biz-info span:last-child::after { display: none; }
.footer-legal {
  display: flex;
  gap: 16px;
}
.footer-legal a {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  transition: var(--transition);
}
.footer-legal a:hover { color: var(--cyan); }
.footer-copyright {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
  text-align: center;
}

/* =============================================
   FLOATING CTA
   ============================================= */
.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}
.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
}
.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--white);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
}
.float-btn:hover { transform: scale(1.1); }
.phone-btn { background: var(--success); }
.phone-btn:hover { background: #00a863; }
.inquiry-btn { background: var(--primary-blue); }
.inquiry-btn:hover { background: var(--deep-blue); }
.top-btn { background: rgba(10, 36, 99, 0.85); border: 1px solid rgba(255,255,255,0.2); font-size: 13px; }
.top-btn:hover { background: var(--primary-blue); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.featured { grid-column: span 2; }
  .clients-logos-grid { grid-template-columns: repeat(4, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { max-width: 500px; margin: 0 auto; }
  .network-layout { grid-template-columns: 1fr; gap: 48px; }
  .korea-map-wrapper { max-width: 320px; margin: 0 auto; }
  .contact-layout { grid-template-columns: 1fr; }
  .process-timeline { gap: 0; }
  .process-timeline .process-step { min-width: 130px; }
  .process-guarantee { padding: 20px 20px; gap: 16px; }
  .process-flow { gap: 0; }
  .process-flow .process-step { min-width: 120px; }
  .process-arrow { padding-top: 52px; }
}

@media (max-width: 768px) {
  .section-padding { padding: 72px 0; }
  .container { padding: 0 18px; }

  /* Header mobile */
  .header-top { display: none; }
  .mobile-menu-btn { display: flex; }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(10, 36, 99, 0.98);
    padding: 16px;
    gap: 2px;
    border-top: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(16px);
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu li a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
  .nav-cta-btn { margin-top: 8px; text-align: center; }

  /* Hero */
  .hero-section { padding-top: 80px; min-height: 90vh; }
  .hero-content { padding: 60px 0; }
  .hero-stats {
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
  }
  .stat-item { padding: 16px 20px; }
  .stat-divider { display: none; }
  .hero-cta { gap: 12px; }
  .btn-primary-hero, .btn-secondary-hero { padding: 14px 24px; font-size: 14px; }

  /* Services */
  .services-grid { grid-template-columns: 1fr 1fr; }

  /* Process */
  .process-flow { flex-direction: column; align-items: center; }
  .process-arrow { padding-top: 0; padding: 4px 0; transform: rotate(90deg); font-size: 14px; }
  .process-step { max-width: 100%; width: 100%; padding: 20px; text-align: left; }
  .step-icon { margin-left: 0; }

  /* Gallery */
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.large { grid-column: span 2; }

  /* Cert */
  .cert-grid { grid-template-columns: 1fr; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .inquiry-form { padding: 28px 20px; }

  /* Clients */
  .clients-logos-grid { grid-template-columns: repeat(3, 1fr); }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
  .footer-biz-info { flex-direction: column; gap: 6px; }
  .footer-biz-info span::after { display: none; }
  /* 모바일: 주소 줄바꿈 허용 */
  .footer-contact-list p[style*="nowrap"] { white-space: normal !important; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .hero-badge { font-size: 11px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: span 1; }
  .clients-logos-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; }
  .footer-legal { flex-direction: column; gap: 8px; }
  .floating-cta { right: 16px; bottom: 20px; }
}

/* =============================================
   UTILITIES & ANIMATIONS
   ============================================= */
.fade-in { animation: fadeIn 0.5s ease forwards; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--light-gray); }
::-webkit-scrollbar-thumb { background: var(--silver); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-blue); }

/* Loading spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
