/* ============================================================
   (주)보미 홈페이지 — 메인 스타일시트
   B2B 가구공장 납품 전용 합판 UV코팅·방염코팅
   ============================================================ */

/* ----- Google Fonts 대체: 시스템 폰트 스택 ----- */
:root {
  --navy:    #0d2b4e;
  --blue:    #1a4fa0;
  --lblue:   #2e6fcc;
  --sky:     #e8f1fb;
  --orange:  #e8720c;
  --lorange: #fff3e8;
  --gray1:   #f5f7fa;
  --gray2:   #eaeef4;
  --gray3:   #c8d0dc;
  --gray4:   #8896a8;
  --gray5:   #4a5568;
  --ink:     #1a1f2e;
  --white:   #ffffff;
  --shadow-sm: 0 2px 8px rgba(13,43,78,.07);
  --shadow-md: 0 6px 24px rgba(13,43,78,.12);
  --shadow-lg: 0 16px 48px rgba(13,43,78,.18);
  --radius:  10px;
  --radius-lg: 18px;
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --font: "Pretendard","Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;
  --font-en: "Inter","Segoe UI",system-ui,sans-serif;
}

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

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

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── 타이포그래피 ── */
h1,h2,h3,h4,h5 {
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.3px;
}
p { color: var(--gray5); }
a { text-decoration: none; color: inherit; }

/* ── 레이아웃 유틸 ── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 88px 0;
}
.section-sm {
  padding: 56px 0;
}
.section-alt {
  background: var(--gray1);
}
.section-dark {
  background: var(--navy);
  color: var(--white);
}
.section-dark p { color: rgba(255,255,255,.75); }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-header .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lblue);
  background: var(--sky);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(26px, 4vw, 38px);
  color: var(--navy);
  margin-bottom: 14px;
}
.section-dark .section-header h2 { color: var(--white); }
.section-dark .section-header .label {
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
}
.section-header p {
  font-size: 16px;
  max-width: 580px;
  margin: 0 auto;
}

/* ── 버튼 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font);
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
}
.btn-primary:hover {
  background: #d4660a;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232,114,12,.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.55);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}
.btn-blue {
  background: var(--blue);
  color: var(--white);
}
.btn-blue:hover {
  background: var(--navy);
  transform: translateY(-1px);
}
.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* ============================================================
   네비게이션
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,43,78,.0);
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: 0 2px 16px rgba(13,43,78,.1);
  backdrop-filter: blur(10px);
}
#navbar.scrolled .nav-logo { color: var(--navy); }
#navbar.scrolled .nav-logo span { color: var(--orange); }
#navbar.scrolled .nav-link { color: var(--gray5); }
#navbar.scrolled .nav-link:hover { color: var(--blue); }
#navbar.scrolled .nav-cta { background: var(--orange); color: var(--white); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 24px;
  max-width: 1140px;
  margin: 0 auto;
}
.nav-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--orange); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}
.nav-link {
  color: rgba(255,255,255,.9);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover {
  background: rgba(255,255,255,.12);
  color: var(--white);
}
.nav-cta {
  background: rgba(255,255,255,.18);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.35);
  transition: var(--transition);
  cursor: pointer;
  font-family: var(--font);
}
.nav-cta:hover {
  background: var(--orange);
  border-color: var(--orange);
}

/* 햄버거 */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: transparent;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
#navbar.scrolled .nav-hamburger span { background: var(--navy); }

/* 모바일 메뉴 */
.nav-mobile {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--white);
  box-shadow: var(--shadow-md);
  padding: 16px 24px 24px;
  z-index: 999;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 13px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--gray5);
  border-bottom: 1px solid var(--gray2);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile .nav-mobile-cta {
  margin-top: 16px;
  display: block;
  text-align: center;
  background: var(--orange);
  color: var(--white) !important;
  padding: 14px !important;
  border-radius: var(--radius);
  font-weight: 700 !important;
  border: none !important;
}

/* ============================================================
   히어로 섹션
   ============================================================ */
#hero {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(13,43,78,.65) 0%, rgba(26,79,160,.48) 100%),
    url("../images/hero-bg.jpg") center/cover no-repeat;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge i { color: var(--orange); font-size: 11px; }
.hero-title {
  font-size: clamp(32px, 6vw, 58px);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero-title em {
  font-style: normal;
  color: var(--orange);
}
.hero-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,.8);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 52px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}
.hero-stat {
  color: var(--white);
}
.hero-stat-num {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
  font-family: var(--font-en);
}
.hero-stat-num sup { font-size: 16px; }
.hero-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,.65);
  letter-spacing: 0.5px;
}

/* ============================================================
   서비스 하이라이트 (히어로 바로 아래)
   ============================================================ */
#services-bar {
  background: var(--white);
  box-shadow: 0 4px 24px rgba(13,43,78,.1);
  position: relative;
  z-index: 5;
}
.services-bar-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
}
.services-bar-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px 32px;
  border-right: 1px solid var(--gray2);
  transition: var(--transition);
}
.services-bar-item:last-child { border-right: none; }
.services-bar-item:hover { background: var(--sky); }
.services-bar-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--blue);
  flex-shrink: 0;
}
.services-bar-item:hover .services-bar-icon {
  background: var(--blue);
  color: var(--white);
}
.services-bar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 3px;
}
.services-bar-desc {
  font-size: 12.5px;
  color: var(--gray4);
  line-height: 1.45;
}

/* ============================================================
   제품 소개 섹션
   ============================================================ */
.product-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.tab-btn {
  padding: 9px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--gray3);
  background: var(--white);
  font-size: 14px;
  font-weight: 600;
  color: var(--gray4);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* 제품 카드 */
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 420px;
}
.product-card-img {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  min-height: 320px;
}
.product-card-img-pattern {
  position: absolute;
  inset: 0;
  opacity: .06;
  background-image: repeating-linear-gradient(
    45deg,
    var(--white) 0,
    var(--white) 1px,
    transparent 0,
    transparent 50%
  );
  background-size: 16px 16px;
}
.product-card-img-icon {
  font-size: 72px;
  color: rgba(255,255,255,.35);
  position: relative;
  z-index: 1;
}
.product-card-body {
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.product-card-badge {
  display: inline-block;
  background: var(--sky);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.product-card-title {
  font-size: 26px;
  color: var(--navy);
  margin-bottom: 12px;
}
.product-card-desc {
  font-size: 14.5px;
  color: var(--gray5);
  line-height: 1.7;
  margin-bottom: 24px;
}
.product-spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}
.product-spec-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--gray5);
}
.product-spec-list li i {
  color: var(--blue);
  font-size: 14px;
  width: 16px;
  flex-shrink: 0;
}

/* 두께 뱃지 그리드 */
.thickness-badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 14px;
  margin-top: 8px;
}
.thickness-badge-item {
  background: var(--white);
  border: 2px solid var(--gray2);
  border-radius: var(--radius);
  padding: 22px 10px;
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  font-family: var(--font-en);
  transition: var(--transition);
  letter-spacing: -0.5px;
}
.thickness-badge-item:hover {
  border-color: var(--blue);
  background: var(--sky);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.thickness-badge-item.highlight {
  border-color: var(--blue);
  background: var(--navy);
  color: var(--white);
}

/* 코팅 그리드 */
.coating-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.coating-item {
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}
.coating-item:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.coating-item-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray4);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.coating-item-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.coating-item-desc {
  font-size: 12.5px;
  color: var(--gray4);
  line-height: 1.55;
}

/* 소재 카드 */
.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.material-card {
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}
.material-card:hover {
  border-color: var(--lblue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.material-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--blue);
  margin: 0 auto 14px;
}
.material-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 5px;
}
.material-card-desc {
  font-size: 12.5px;
  color: var(--gray4);
  line-height: 1.5;
}

/* ============================================================
   공정/품질 섹션
   ============================================================ */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 36px;
  bottom: 36px;
  width: 2px;
  background: var(--gray2);
}
.process-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px 0;
  position: relative;
}
.process-step-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--blue);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--white);
  font-family: var(--font-en);
}
.process-step-body {
  padding-top: 14px;
  flex: 1;
}
.process-step-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.process-step-desc {
  font-size: 14px;
  color: var(--gray4);
  line-height: 1.6;
}

/* 품질 지표 */
.quality-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.quality-stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray2);
}
.quality-stat-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
  font-family: var(--font-en);
}
.quality-stat-num sup { font-size: 22px; }
.quality-stat-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.quality-stat-desc {
  font-size: 12.5px;
  color: var(--gray4);
}

/* ============================================================
   거래 안내 섹션
   ============================================================ */
.trade-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.trade-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray2);
}
.trade-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--blue);
  margin-bottom: 16px;
}
.trade-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}
.trade-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.trade-list li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  color: var(--gray5);
  line-height: 1.5;
}
.trade-list li::before {
  content: '·';
  color: var(--blue);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* 견적 폼 하이라이트 */
.quote-highlight {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: var(--white);
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}
.quote-highlight::before {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
}
.quote-highlight h3 {
  font-size: 24px;
  margin-bottom: 10px;
  position: relative;
}
.quote-highlight p {
  color: rgba(255,255,255,.75);
  margin-bottom: 28px;
  position: relative;
}
.quote-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
  position: relative;
}
.quote-item-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
}
.quote-item-tag i { font-size: 11px; color: var(--orange); }

/* ============================================================
   회사 소개 섹션
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img-box {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  color: rgba(255,255,255,.25);
  overflow: hidden;
  position: relative;
}
.about-img-overlay {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(255,255,255,.95);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  gap: 24px;
}
.about-img-stat {
  text-align: center;
  flex: 1;
}
.about-img-stat-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  font-family: var(--font-en);
}
.about-img-stat-label {
  font-size: 11px;
  color: var(--gray4);
  margin-top: 2px;
}

.about-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lblue);
  margin-bottom: 14px;
}
.about-title {
  font-size: clamp(24px, 3vw, 34px);
  color: var(--navy);
  margin-bottom: 18px;
}
.about-desc {
  font-size: 15px;
  color: var(--gray5);
  line-height: 1.75;
  margin-bottom: 28px;
}
.about-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}
.about-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.about-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--blue);
  flex-shrink: 0;
}
.about-item-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}
.about-item-desc {
  font-size: 13px;
  color: var(--gray4);
}

/* 회사소개 갤러리 */
.about-gallery {
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-gallery-main {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--gray2);
}
.about-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .3s ease;
}
.about-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 6px;
}
.about-gallery-thumb {
  aspect-ratio: 1/1;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  background: var(--gray2);
}
.about-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-gallery-thumb.active {
  border-color: var(--blue);
}
.about-gallery-thumb:hover {
  border-color: var(--lblue);
  transform: translateY(-2px);
}
.about-gallery-thumb.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gray3);
  background: var(--gray1);
  border: 2px dashed var(--gray3);
}
.history-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 28px;
}
.history-list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--gray2);
}
.history-item {
  position: relative;
  padding: 0 0 24px 24px;
}
.history-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--blue);
}
.history-year {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.5px;
  margin-bottom: 3px;
  font-family: var(--font-en);
}
.history-text {
  font-size: 14px;
  color: var(--gray5);
}

/* ============================================================
   문의/견적 섹션
   ============================================================ */
#contact {
  background: var(--gray1);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info h3 {
  font-size: 22px;
  color: var(--navy);
  margin-bottom: 14px;
}
.contact-info p {
  font-size: 14.5px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.contact-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--blue);
  flex-shrink: 0;
}
.contact-detail-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray4);
  margin-bottom: 2px;
}
.contact-detail-value {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--navy);
}

/* 폼 */
.contact-form-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact-form-box h3 {
  font-size: 20px;
  color: var(--navy);
  margin-bottom: 6px;
}
.contact-form-box > p {
  font-size: 13.5px;
  margin-bottom: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-group label span { color: var(--orange); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray2);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,79,160,.08);
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}
.form-submit:hover {
  background: #d4660a;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232,114,12,.35);
}
.form-note {
  font-size: 12px;
  color: var(--gray4);
  text-align: center;
  margin-top: 12px;
}

/* 폼 성공 메시지 */
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}
.form-success i {
  font-size: 48px;
  color: #22c55e;
  margin-bottom: 14px;
}
.form-success h4 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-success p {
  font-size: 14px;
}

/* ============================================================
   푸터
   ============================================================ */
#footer {
  background: #0a1e38;
  color: rgba(255,255,255,.7);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-logo span { color: var(--orange); }
.footer-tagline {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(255,255,255,.55);
  margin-bottom: 20px;
}
.footer-biz {
  font-size: 12px;
  color: rgba(255,255,255,.4);
  line-height: 1.8;
}
.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer-links a {
  font-size: 13.5px;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--orange); }
.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  color: rgba(255,255,255,.55);
  margin-bottom: 10px;
}
.footer-contact-item i {
  color: rgba(255,255,255,.4);
  width: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,.08);
  margin-bottom: 24px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: rgba(255,255,255,.35);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-notice {
  background: rgba(232,114,12,.12);
  border: 1px solid rgba(232,114,12,.2);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 12px;
  color: rgba(255,200,100,.85);
  margin-bottom: 32px;
}

/* ============================================================
   공통 유틸
   ============================================================ */
.text-orange { color: var(--orange); }
.text-blue { color: var(--blue); }
.text-navy { color: var(--navy); }
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-0  { margin-bottom: 0; }

/* 스크롤 앵커 오프셋 */
[id] { scroll-margin-top: 80px; }

/* 애니메이션 */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   반응형
   ============================================================ */
@media (max-width: 1024px) {
  .product-card { grid-template-columns: 1fr; }
  .product-card-img { min-height: 200px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .trade-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .services-bar-grid { grid-template-columns: 1fr; }
  .services-bar-item { border-right: none; border-bottom: 1px solid var(--gray2); }
  .services-bar-item:last-child { border-bottom: none; }
  .quality-stats { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-btns { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .contact-form-box { padding: 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .coating-grid { grid-template-columns: 1fr; }
  .material-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 28px; }
  .product-card-body { padding: 28px 24px; }
  .quote-highlight { padding: 28px 24px; }
}