/* ═══════════════════════════════════════════════════
   토탈지원 - 메인 스타일시트 (크로스 브라우저 호환 버전)
   Chrome · Edge · Whale · Firefox · Safari 전체 지원
   Primary: #0F2B5B  Secondary: #2563EB  Accent: #F59E0B
═══════════════════════════════════════════════════ */

/* Google Fonts - HTTPS 강제, display=swap으로 FOUT 방지 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

/* ── CSS 변수 ─────────────────────────────────── */
:root {
  --primary:    #0F2B5B;
  --secondary:  #2563EB;
  --accent:     #F59E0B;
  --bg:         #F0F4F8;
  --white:      #ffffff;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-300:   #cbd5e1;
  --gray-400:   #94a3b8;
  --gray-500:   #64748b;
  --gray-600:   #475569;
  --gray-700:   #334155;
  --gray-900:   #0f172a;
  --danger:     #ef4444;
  --success:    #22c55e;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.12);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.16);
  --radius:     8px;
  --radius-lg:  16px;
  --transition: 0.3s ease;
}

/* ── 글로벌 리셋 ──────────────────────────────── */
*, *:before, *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  /* flex/grid 자식이 부모를 넘치지 않도록 */
  min-width: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
  /* ① 최상위 가로 넘침 차단 */
  overflow-x: hidden;
  max-width: 100%;
}
body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', '맑은 고딕', sans-serif;
  color: #334155;
  color: var(--gray-700);
  background: #ffffff;
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* ① 가로 스크롤 완전 차단 */
  overflow-x: hidden;
  max-width: 100%;
  /* iOS 모멘텀 스크롤 */
  -webkit-overflow-scrolling: touch;
  /* 안전 영역 확보 (노치/홈바 기기) */
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}
a { color: inherit; text-decoration: none; }
/* 터치 가능 요소 최소 44px 터치 영역 확보 */
button, [role="button"], input[type="submit"], input[type="button"] {
  min-height: 44px;
}
/* ③ 이미지 넘침 완전 방지 */
img, video, svg, canvas, iframe {
  max-width: 100%;
  height: auto;
  display: block;
  -ms-interpolation-mode: bicubic;
}
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
a, button, input, select, textarea {
  -webkit-tap-highlight-color: transparent;
}
/* ⑤ white-space:nowrap 요소 넘침 방지 기본값 */
.logo-text,
.quick-nav-text,
.strength-label,
.product-card-name {
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 섹션/컨테이너 레벨 가로 넘침 방지 강화 */
section, article, aside, nav, main, header, footer {
  max-width: 100%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/* ── 공통 레이아웃 ─────────────────────────────── */
/* ② 컨테이너 너비 초과 방지 */
.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  /* padding이 width를 초과하지 않도록 (box-sizing으로 이미 처리되지만 명시) */
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-title {
  font-size: 2rem;
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  color: #0F2B5B;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-sub {
  color: #64748b;
  color: var(--gray-500);
  font-size: 1rem;
  margin-bottom: 48px;
}

/* Grid utilities — IE11에서 grid 지원을 위해 -ms- 프리픽스 */
.grid-2 {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 24px 1fr;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.grid-3 {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 24px 1fr 24px 1fr;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-4 {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 24px 1fr 24px 1fr 24px 1fr;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ── 버튼 ────────────────────────────────────── */
.btn {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  /* ⑤ white-space nowrap은 유지하되 max-width로 넘침 방지 */
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.btn-primary {
  background: #2563EB;
  background: var(--secondary);
  color: #ffffff;
  color: var(--white);
}
.btn-primary:hover {
  background: #1d4ed8;
  -webkit-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  transform: translateY(-1px);
  -webkit-box-shadow: 0 4px 16px rgba(0,0,0,.12);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  border: 2px solid #2563EB;
  border: 2px solid var(--secondary);
  color: #2563EB;
  color: var(--secondary);
  background: transparent;
}
.btn-outline:hover {
  background: #2563EB;
  background: var(--secondary);
  color: #ffffff;
  color: var(--white);
}
.btn-accent { background: #F59E0B; background: var(--accent); color: #ffffff; color: var(--white); }
.btn-accent:hover { background: #d97706; }
.btn-white { background: #ffffff; background: var(--white); color: #0F2B5B; color: var(--primary); }
.btn-white:hover { background: #f1f5f9; background: var(--gray-100); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

/* ── 헤더 & 네비게이션 ───────────────────────── */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  /* ⑥ 헤더가 화면 너비를 초과하지 않도록 */
  width: 100%;
  max-width: 100%;
  /* overflow: visible — 드롭다운 메뉴가 잘리지 않도록 */
  overflow: visible;
  z-index: 1000;
  /* backdrop-filter: Edge 79+, Chrome 47+, Safari 9+, Firefox 103+ 지원 */
  /* fallback: 반투명 배경으로 대체 */
  background: rgba(15, 43, 91, 0.97); /* fallback for no backdrop-filter */
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  background: rgba(15, 43, 91, 0.95);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
}
/* backdrop-filter 미지원 브라우저(구형 Firefox 등) 대응 */
@supports not (backdrop-filter: blur(1px)) and not (-webkit-backdrop-filter: blur(1px)) {
  #header {
    background: rgba(15, 43, 91, 0.98);
  }
}
#header.scrolled {
  background: #0F2B5B;
  background: var(--primary);
  -webkit-box-shadow: 0 8px 32px rgba(0,0,0,.16);
  box-shadow: var(--shadow-lg);
}
.header-inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  height: 72px;
  /* ② padding이 화면 초과하지 않도록 */
  padding: 0 24px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  /* ⑥ 로고+메뉴가 삐져나오지 않도록 */
  overflow: hidden;
}
.logo {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 10px;
  /* ⑥ 로고 영역 최대 너비 제한 */
  min-width: 0;
  -ms-flex-negative: 1;
  flex-shrink: 1;
}
.logo img {
  height: 40px;
  width: auto;
  max-width: 120px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  -o-object-fit: contain;
  object-fit: contain;
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  color: var(--white);
  letter-spacing: -0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.logo-text span { color: #F59E0B; color: var(--accent); }

/* 네비 */
.nav-menu {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 4px;
}
.nav-item { position: relative; }
.nav-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 8px 16px;
  min-height: 44px; /* 터치 영역 최소 44px */
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  border-radius: var(--radius);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: #ffffff;
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: #ffffff;
  background: var(--white);
  border-radius: 8px;
  border-radius: var(--radius);
  -webkit-box-shadow: 0 8px 32px rgba(0,0,0,.16);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  -webkit-transform: translateY(-8px);
  -ms-transform: translateY(-8px);
  transform: translateY(-8px);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  z-index: 100;
}
.nav-item:hover .dropdown-menu,
.nav-item .dropdown-menu.touch-open {
  opacity: 1;
  visibility: visible;
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
}
.dropdown-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 12px 20px;
  min-height: 44px; /* 터치 영역 */
  color: #334155;
  color: var(--gray-700);
  font-size: 0.9rem;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.dropdown-link:hover,
.dropdown-link:active { background: #F0F4F8; background: var(--bg); color: #2563EB; color: var(--secondary); }

.header-actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 12px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}
.header-search {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 6px 16px;
  gap: 8px;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
}
.header-search:focus-within { background: rgba(255,255,255,0.2); }
.header-search input {
  background: none;
  border: none;
  outline: none;
  color: #ffffff;
  color: var(--white);
  font-size: 0.9rem;
  width: 120px;
  max-width: 120px;
  font-family: inherit;
  min-width: 0;
}
.header-search input::-webkit-input-placeholder { color: rgba(255,255,255,0.5); }
.header-search input:-ms-input-placeholder { color: rgba(255,255,255,0.5); }
.header-search input::-ms-input-placeholder { color: rgba(255,255,255,0.5); }
.header-search input::placeholder { color: rgba(255,255,255,0.5); }
.header-search i { color: rgba(255,255,255,0.7); }
.btn-inquiry-top {
  background: #F59E0B;
  background: var(--accent);
  color: #ffffff;
  color: var(--white);
  padding: 8px 20px;
  border-radius: 24px;
  font-weight: 600;
  font-size: 0.9rem;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
}
.btn-inquiry-top:hover {
  background: #d97706;
  -webkit-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  transform: translateY(-1px);
}

/* 모바일 메뉴 */
.menu-toggle {
  display: none;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 5px;
  padding: 10px 8px; /* 터치 영역 확보 */
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #ffffff;
  background: var(--white);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  -webkit-transform-origin: center;
  -ms-transform-origin: center;
  transform-origin: center;
  pointer-events: none;
}

/* ── 히어로 슬라이더 ─────────────────────────── */
.hero-slider {
  /* ② 슬라이더 너비 100vw 금지, 100% 사용 */
  width: 100%;
  max-width: 100%;
  height: 100vh;
  min-height: 600px;
  position: relative;
  overflow: hidden;
}
.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  -webkit-transition: opacity 0.8s ease;
  -o-transition: opacity 0.8s ease;
  transition: opacity 0.8s ease;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.slide.active { opacity: 1; z-index: 1; }
.slide-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.slide-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.35);
  z-index: 1;
}
.slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #ffffff;
  color: var(--white);
  padding: 0 24px;
  max-width: 800px;
}
.slide-content.left { text-align: left; margin-left: 0; margin-right: auto; padding-left: clamp(16px, 5vw, 80px); }
.slide-content.right { text-align: right; margin-left: auto; margin-right: 0; padding-right: clamp(16px, 5vw, 80px); }
.slide-badge {
  display: inline-block;
  background: #F59E0B;
  background: var(--accent);
  color: #ffffff;
  color: var(--white);
  padding: 6px 18px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.slide-title {
  /* clamp() — Edge 79+, Chrome 79+, Firefox 75+, Safari 11+ 지원. 구형 fallback 먼저 선언 */
  font-size: 2.5rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.slide-subtitle {
  font-size: 1.1rem;
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  opacity: 0.9;
  margin-bottom: 32px;
  font-weight: 300;
}
.slide-buttons {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 16px;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.slide-content.left .slide-buttons {
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
}
.slide-content.right .slide-buttons {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  justify-content: flex-end;
}

/* 슬라이더 컨트롤 */
.slider-arrow {
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.15);
  color: #ffffff;
  color: var(--white);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 1.1rem;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  border: 2px solid rgba(255,255,255,0.3);
}
.slider-arrow:hover { background: rgba(255,255,255,0.3); border-color: rgba(255,255,255,0.7); }
.slider-prev { left: 16px; left: max(8px, 1.5vw); }
.slider-next { right: 16px; right: max(8px, 1.5vw); }
.slider-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
  z-index: 10;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 10px;
}
.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: 2px solid rgba(255,255,255,0.6);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  cursor: pointer;
}
.slider-dot.active {
  background: #ffffff;
  background: var(--white);
  width: 28px;
  border-radius: 5px;
}

/* ── 퀵메뉴 섹션 ─────────────────────────────── */
.quick-nav {
  background: #ffffff;
  background: var(--white);
  padding: 48px 0;
  border-bottom: 1px solid #e2e8f0;
  border-bottom: 1px solid var(--gray-200);
}
.quick-nav-grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 20px 1fr 20px 1fr 20px 1fr 20px 1fr;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.quick-nav-item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  border-radius: 16px;
  border-radius: var(--radius-lg);
  border: 2px solid #e2e8f0;
  border: 2px solid var(--gray-200);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  text-decoration: none;
  /* ③ grid 자식 넘침 방지 */
  min-width: 0;
  overflow: hidden;
}
.quick-nav-item:hover {
  border-color: #2563EB;
  border-color: var(--secondary);
  -webkit-box-shadow: 0 4px 16px rgba(0,0,0,.12);
  box-shadow: var(--shadow-md);
  -webkit-transform: translateY(-4px);
  -ms-transform: translateY(-4px);
  transform: translateY(-4px);
}
.quick-nav-icon {
  width: 60px;
  height: 60px;
  background: #F0F4F8;
  background: var(--bg);
  border-radius: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #2563EB;
  color: var(--secondary);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
}
.quick-nav-item:hover .quick-nav-icon {
  background: #2563EB;
  background: var(--secondary);
  color: #ffffff;
  color: var(--white);
}
.quick-nav-text {
  font-weight: 600;
  font-size: 0.9rem;
  color: #334155;
  color: var(--gray-700);
  text-align: center;
}

/* ── 강점 섹션 ────────────────────────────────── */
.strength-section {
  background: #0F2B5B;
  background: var(--primary);
  color: #ffffff;
  color: var(--white);
  text-align: center;
}
.strength-grid {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 48px;
}
.strength-item {
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  min-width: 140px;
}
.strength-num {
  font-size: 2.8rem;
  font-weight: 700;
  color: #F59E0B;
  color: var(--accent);
  line-height: 1;
  text-align: center;
}
.strength-label {
  font-size: 0.95rem;
  opacity: 0.8;
  margin-top: 6px;
  text-align: center;
}

/* ── 제품 카드 ────────────────────────────────── */
.product-grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 24px 1fr 24px 1fr 24px 1fr;
  grid-template-columns: repeat(4,1fr);
  gap: 24px;
}
.product-card {
  background: #ffffff;
  background: var(--white);
  border-radius: 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  -webkit-box-shadow: 0 1px 3px rgba(0,0,0,.08);
  box-shadow: var(--shadow-sm);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  border: 1px solid #e2e8f0;
  border: 1px solid var(--gray-200);
}
.product-card:hover {
  -webkit-transform: translateY(-6px);
  -ms-transform: translateY(-6px);
  transform: translateY(-6px);
  -webkit-box-shadow: 0 8px 32px rgba(0,0,0,.16);
  box-shadow: var(--shadow-lg);
}
/* aspect-ratio: Chrome 88+, Edge 88+, Firefox 89+, Safari 15+ 지원
   구형 브라우저 대응: padding-top 트릭으로 fallback */
.product-card-img {
  position: relative;
  background: #f1f5f9;
  background: var(--gray-100);
  overflow: hidden;
  /* fallback for aspect-ratio */
  padding-top: 75%; /* 4:3 비율 */
}
/* aspect-ratio 지원 브라우저에서 padding-top 무력화 */
@supports (aspect-ratio: 4/3) {
  .product-card-img {
    aspect-ratio: 4/3;
    padding-top: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
}
.product-card-img img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  -webkit-transition: -webkit-transform 0.4s ease;
  transition: -webkit-transform 0.4s ease;
  -o-transition: transform 0.4s ease;
  transition: transform 0.4s ease;
  transition: transform 0.4s ease, -webkit-transform 0.4s ease;
}
@supports (aspect-ratio: 4/3) {
  .product-card-img img {
    position: static;
  }
}
.product-card:hover .product-card-img img {
  -webkit-transform: scale(1.05);
  -ms-transform: scale(1.05);
  transform: scale(1.05);
}
.product-card-img .placeholder-icon {
  position: absolute;
  top: 50%; left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  font-size: 3rem;
  color: #cbd5e1;
  color: var(--gray-300);
}
@supports (aspect-ratio: 4/3) {
  .product-card-img .placeholder-icon {
    position: static;
    -webkit-transform: none;
    -ms-transform: none;
    transform: none;
  }
}
.product-card-body { padding: 20px; }
.product-badges {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-popular { background: #fef3c7; color: #92400e; }
.badge-new { background: #dbeafe; color: #1e40af; }
.badge-recommend { background: #dcfce7; color: #166534; }
.product-card-name {
  font-size: 1rem;
  font-weight: 600;
  color: #0f172a;
  color: var(--gray-900);
  margin-bottom: 6px;
}
/* line-clamp: -webkit-prefix 필수 (Chrome, Edge, Safari 모두 webkit 사용) */
.product-card-desc {
  font-size: 0.85rem;
  color: #64748b;
  color: var(--gray-500);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  /* Firefox fallback: max-height */
  max-height: 2.8em;
}
@supports (-webkit-line-clamp: 2) {
  .product-card-desc {
    max-height: none;
  }
}
.product-card-footer {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
  border-top: 1px solid var(--gray-200);
}
.product-price { font-weight: 600; color: #2563EB; color: var(--secondary); }

/* ── 시공사례 카드 ─────────────────────────────── */
.case-grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 24px 1fr 24px 1fr;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
.case-card {
  border-radius: 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  /* aspect-ratio fallback */
  padding-top: 75%;
  -webkit-box-shadow: 0 1px 3px rgba(0,0,0,.08);
  box-shadow: var(--shadow-sm);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
}
@supports (aspect-ratio: 4/3) {
  .case-card {
    aspect-ratio: 4/3;
    padding-top: 0;
  }
}
.case-card:hover {
  -webkit-transform: translateY(-4px);
  -ms-transform: translateY(-4px);
  transform: translateY(-4px);
  -webkit-box-shadow: 0 8px 32px rgba(0,0,0,.16);
  box-shadow: var(--shadow-lg);
}
.case-card-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  -webkit-transition: -webkit-transform 0.4s ease;
  transition: -webkit-transform 0.4s ease;
  -o-transition: transform 0.4s ease;
  transition: transform 0.4s ease;
  transition: transform 0.4s ease, -webkit-transform 0.4s ease;
}
@supports (aspect-ratio: 4/3) {
  .case-card-img {
    position: static;
    width: 100%;
    height: 100%;
  }
}
.case-card:hover .case-card-img {
  -webkit-transform: scale(1.06);
  -ms-transform: scale(1.06);
  transform: scale(1.06);
}
.case-card-placeholder {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: -webkit-linear-gradient(315deg, #0F2B5B, #2563EB);
  background: -o-linear-gradient(315deg, #0F2B5B, #2563EB);
  background: linear-gradient(135deg, #0F2B5B, #2563EB);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.3);
}
.case-card-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px;
  background: -webkit-linear-gradient(top, transparent, rgba(0,0,0,0.8));
  background: -o-linear-gradient(top, transparent, rgba(0,0,0,0.8));
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: #ffffff;
  color: var(--white);
}
.case-card-industry {
  font-size: 0.8rem;
  color: #F59E0B;
  color: var(--accent);
  margin-bottom: 6px;
  font-weight: 600;
}
.case-card-title { font-size: 1rem; font-weight: 600; }

/* ── 프로세스 섹션 ───────────────────────────── */
.process-section {
  background: -webkit-linear-gradient(top, #F0F4F8 0%, #e8eef6 100%);
  background: -o-linear-gradient(top, #F0F4F8 0%, #e8eef6 100%);
  background: linear-gradient(180deg, #F0F4F8 0%, #e8eef6 100%);
  background: linear-gradient(180deg, var(--bg) 0%, #e8eef6 100%);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(37,99,235,.05);
  pointer-events: none;
}
.process-steps {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 24px 1fr 24px 1fr;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.process-step {
  background: #ffffff;
  background: var(--white);
  border-radius: 16px;
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  position: relative;
  overflow: hidden;
  -webkit-box-shadow: 0 2px 12px rgba(15,43,91,.07);
  box-shadow: 0 2px 12px rgba(15,43,91,.07);
  border: 1.5px solid #e2e8f0;
  border: 1.5px solid var(--gray-200);
  -webkit-transition: -webkit-transform .25s ease, -webkit-box-shadow .25s ease, border-color .25s ease;
  transition: -webkit-transform .25s ease, -webkit-box-shadow .25s ease, border-color .25s ease;
  -o-transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, -webkit-transform .25s ease, -webkit-box-shadow .25s ease;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: 12px;
}
.process-step:hover {
  -webkit-transform: translateY(-6px);
  -ms-transform: translateY(-6px);
  transform: translateY(-6px);
  -webkit-box-shadow: 0 12px 32px rgba(15,43,91,.14);
  box-shadow: 0 12px 32px rgba(15,43,91,.14);
  border-color: #2563EB;
  border-color: var(--secondary);
}
.process-badge {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  background: #0F2B5B;
  background: var(--primary);
  color: #ffffff;
  color: var(--white);
  /* fit-content: IE 미지원, auto로 fallback */
  width: auto;
  -ms-flex-item-align: start;
  align-self: flex-start;
}
.process-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #ffffff;
  color: var(--white);
  -ms-flex-negative: 0;
  flex-shrink: 0;
  -webkit-transition: -webkit-transform .25s ease;
  transition: -webkit-transform .25s ease;
  -o-transition: transform .25s ease;
  transition: transform .25s ease;
  transition: transform .25s ease, -webkit-transform .25s ease;
}
.process-step:hover .process-icon-wrap {
  -webkit-transform: scale(1.1) rotate(-4deg);
  -ms-transform: scale(1.1) rotate(-4deg);
  transform: scale(1.1) rotate(-4deg);
}
.process-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: #0F2B5B;
  color: var(--primary);
  line-height: 1.3;
  margin: 0;
}
.process-desc {
  font-size: .875rem;
  color: #64748b;
  color: var(--gray-500);
  line-height: 1.75;
  margin: 0;
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
}
.process-step-deco {
  position: absolute;
  bottom: 16px;
  right: 20px;
  font-size: 3.5rem;
  font-weight: 900;
  color: #f1f5f9;
  color: var(--gray-100);
  line-height: 1;
  pointer-events: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: color .25s;
  -o-transition: color .25s;
  transition: color .25s;
}
.process-step:hover .process-step-deco { color: #dbeafe; }

@-webkit-keyframes processCardIn {
  from { opacity: 0; -webkit-transform: translateY(28px); transform: translateY(28px); }
  to   { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}
@keyframes processCardIn {
  from { opacity: 0; -webkit-transform: translateY(28px); transform: translateY(28px); }
  to   { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}
.process-step-anim {
  -webkit-animation: processCardIn 0.55s ease both;
  animation: processCardIn 0.55s ease both;
}
.process-arrow { display: none; }

/* CTA 배너 */
.process-cta-bar {
  margin-top: 40px;
  background: -webkit-linear-gradient(315deg, #0F2B5B 0%, #2563EB 100%);
  background: -o-linear-gradient(315deg, #0F2B5B 0%, #2563EB 100%);
  background: linear-gradient(135deg, #0F2B5B 0%, #2563EB 100%);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 16px;
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  gap: 20px;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-box-shadow: 0 8px 24px rgba(15,43,91,.22);
  box-shadow: 0 8px 24px rgba(15,43,91,.22);
  /* ② 넘침 방지 */
  width: 100%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
}
.process-cta-bar-text h3 {
  color: #ffffff;
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.process-cta-bar-text p { color: rgba(255,255,255,.75); font-size: .875rem; }
.process-num { display: none; }
.process-icon { display: none; }

/* ── CTA 섹션 ─────────────────────────────────── */
.cta-section {
  background: -webkit-linear-gradient(315deg, #0F2B5B 0%, #2563EB 100%);
  background: -o-linear-gradient(315deg, #0F2B5B 0%, #2563EB 100%);
  background: linear-gradient(135deg, #0F2B5B 0%, #2563EB 100%);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #ffffff;
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}
.cta-title { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.cta-sub { opacity: 0.85; font-size: 1rem; margin-bottom: 40px; }

/* ── 푸터 ─────────────────────────────────────── */
footer {
  background: #060f1e;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 2fr 32px 1fr 32px 1fr 32px 1fr;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
  width: 100%;
  min-width: 0;
}
.footer-brand .logo-text { font-size: 1.3rem; margin-bottom: 12px; }
.footer-desc { font-size: 0.85rem; line-height: 1.8; margin-bottom: 16px; }
.footer-contact p { font-size: 0.85rem; margin-bottom: 6px; }
.footer-contact i { width: 16px; color: #F59E0B; color: var(--accent); margin-right: 6px; }
.footer-heading {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 0.85rem; -webkit-transition: 0.3s ease; -o-transition: 0.3s ease; transition: var(--transition); }
.footer-links a:hover { color: #ffffff; color: var(--white); }
.footer-social {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 12px;
  margin-top: 12px;
}
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  font-size: 0.9rem;
}
.social-btn:hover { background: #F59E0B; background: var(--accent); color: #ffffff; color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  font-size: 0.8rem;
}
.footer-bottom-links {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 20px;
}
.footer-bottom-links a:hover { color: #ffffff; color: var(--white); }

/* ── 카테고리 헤더 배너 ──────────────────────── */
.category-header-banner {
  position: relative;
  height: 280px;
  border-radius: 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  width: 100%;
  max-width: 100%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.category-header-banner img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.category-header-banner .default-bg {
  width: 100%;
  height: 100%;
  background: -webkit-linear-gradient(315deg, #0F2B5B, #2563EB);
  background: -o-linear-gradient(315deg, #0F2B5B, #2563EB);
  background: linear-gradient(135deg, #0F2B5B, #2563EB);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}
.category-header-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 32px 40px;
  background: -webkit-linear-gradient(top, transparent, rgba(0,0,0,0.7));
  background: -o-linear-gradient(top, transparent, rgba(0,0,0,0.7));
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: #ffffff;
  color: var(--white);
}
.category-header-overlay h2 { font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.category-header-overlay p { opacity: 0.85; font-size: 1rem; }

/* ── 제품 목록 페이지 ─────────────────────────── */
.page-layout {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 240px 24px 1fr;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding-top: 40px;
  min-width: 0;
}
.sidebar { position: -webkit-sticky; position: sticky; top: 96px; -ms-flex-item-align: start; align-self: start; }
.sidebar-card {
  background: #ffffff;
  background: var(--white);
  border-radius: 16px;
  border-radius: var(--radius-lg);
  padding: 24px;
  -webkit-box-shadow: 0 1px 3px rgba(0,0,0,.08);
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  border: 1px solid var(--gray-200);
  margin-bottom: 20px;
}
.sidebar-title { font-weight: 700; font-size: 1rem; margin-bottom: 16px; color: #0F2B5B; color: var(--primary); }
.cat-tree-item { margin-bottom: 4px; }
.cat-tree-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 8px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  cursor: pointer;
}
.cat-tree-link:hover { background: #F0F4F8; background: var(--bg); }
.cat-tree-link.active { background: #2563EB; background: var(--secondary); color: #ffffff; color: var(--white); font-weight: 600; }
.sub-cats { padding-left: 20px; }
.sub-cat-link {
  display: block;
  padding: 7px 12px;
  font-size: 0.85rem;
  color: #64748b;
  color: var(--gray-500);
  border-radius: 8px;
  border-radius: var(--radius);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  cursor: pointer;
}
.sub-cat-link:hover { color: #2563EB; color: var(--secondary); background: #F0F4F8; background: var(--bg); }
.sub-cat-link.active { color: #2563EB; color: var(--secondary); font-weight: 600; }

.products-top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin-bottom: 24px;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 12px;
}
.sort-select {
  padding: 8px 14px;
  border: 1px solid #cbd5e1;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  /* 크로스 브라우저 select 스타일 */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2364748b'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  background-color: #ffffff;
}

/* ── 팝업 ─────────────────────────────────────── */
.popup-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-animation: fadeIn 0.3s ease;
  animation: fadeIn 0.3s ease;
}
.popup-box {
  background: #ffffff;
  background: var(--white);
  border-radius: 16px;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 90%;
  -webkit-box-shadow: 0 8px 32px rgba(0,0,0,.16);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.popup-header {
  background: #0F2B5B;
  background: var(--primary);
  color: #ffffff;
  color: var(--white);
  padding: 20px 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.popup-close {
  background: none;
  border: none;
  color: #ffffff;
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.7;
}
.popup-close:hover { opacity: 1; }
.popup-body { padding: 28px 24px; }
.popup-footer {
  padding: 16px 24px;
  border-top: 1px solid #e2e8f0;
  border-top: 1px solid var(--gray-200);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.popup-no-today {
  font-size: 0.85rem;
  color: #64748b;
  color: var(--gray-500);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

/* ── 부유 문의 버튼 ──────────────────────────── */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 80px;
  z-index: 500;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: 10px;
}
.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 1.1rem;
  -webkit-box-shadow: 0 8px 32px rgba(0,0,0,.16);
  box-shadow: var(--shadow-lg);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  color: #ffffff;
  color: var(--white);
}
.float-btn:hover {
  -webkit-transform: scale(1.1);
  -ms-transform: scale(1.1);
  transform: scale(1.1);
}
.float-btn-inquiry { background: #F59E0B; background: var(--accent); }
.float-btn-top { background: #64748b; background: var(--gray-500); }
.float-label {
  position: absolute;
  right: 60px;
  white-space: nowrap;
  background: rgba(0,0,0,0.75);
  color: #ffffff;
  color: var(--white);
  padding: 4px 10px;
  border-radius: 8px;
  border-radius: var(--radius);
  font-size: 0.78rem;
  opacity: 0;
  pointer-events: none;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
}
.float-btn:hover + .float-label,
.float-btn-wrap:hover .float-label { opacity: 1; }

/* ── 애니메이션 ──────────────────────────────── */
@-webkit-keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@-webkit-keyframes slideUp {
  from { opacity: 0; -webkit-transform: translateY(24px); transform: translateY(24px); }
  to   { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; -webkit-transform: translateY(24px); transform: translateY(24px); }
  to   { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}

@-webkit-keyframes slideInLeft {
  from { opacity: 0; -webkit-transform: translateX(-24px); transform: translateX(-24px); }
  to   { opacity: 1; -webkit-transform: translateX(0); transform: translateX(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; -webkit-transform: translateX(-24px); transform: translateX(-24px); }
  to   { opacity: 1; -webkit-transform: translateX(0); transform: translateX(0); }
}

.animate-fade { -webkit-animation: fadeIn 0.6s ease; animation: fadeIn 0.6s ease; }
.animate-up { -webkit-animation: slideUp 0.6s ease; animation: slideUp 0.6s ease; }

/* AOS — IntersectionObserver 폴리필 없는 브라우저를 위해 기본 visible 처리 */
[data-aos] {
  opacity: 0;
  -webkit-transform: translateY(20px);
  -ms-transform: translateY(20px);
  transform: translateY(20px);
  -webkit-transition: opacity 0.6s ease, -webkit-transform 0.6s ease;
  transition: opacity 0.6s ease, -webkit-transform 0.6s ease;
  -o-transition: opacity 0.6s ease, transform 0.6s ease;
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition: opacity 0.6s ease, transform 0.6s ease, -webkit-transform 0.6s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
}

/* ── 섹션/페이지 공통 넘침 방지 ────────────────── */
.section,
.page-hero,
.quick-nav,
.strength-section,
.cta-section,
footer,
.process-section,
.hero-slider,
.product-grid,
.case-grid,
.process-steps,
.footer-grid,
.quick-nav-grid,
.page-layout {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/* ── 반응형 ──────────────────────────────────── */
@media (max-width: 1199px) {
  .quick-nav-grid {
    -ms-grid-columns: 1fr 20px 1fr 20px 1fr;
    grid-template-columns: repeat(3,1fr);
  }
  .strength-grid {
    gap: 36px;
  }
  .footer-grid {
    -ms-grid-columns: 1fr 48px 1fr;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 991px) {
  .nav-menu { display: none; }
  .header-search { display: none; }
  .btn-inquiry-top { display: none; } /* 모바일에선 공간 부족으로 숨김 */
  .menu-toggle { display: -webkit-box; display: -ms-flexbox; display: flex; }
  .product-grid { -ms-grid-columns: 1fr 24px 1fr; grid-template-columns: repeat(2,1fr); }
  .case-grid { -ms-grid-columns: 1fr 24px 1fr; grid-template-columns: repeat(2,1fr); }
  .process-steps { -ms-grid-columns: 1fr 18px 1fr; grid-template-columns: repeat(2,1fr); gap: 18px; }
  .process-cta-bar { padding: 22px 24px; }
  .page-layout { -ms-grid-columns: 1fr; grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

@media (max-width: 767px) {
  /* ① 최상위 가로 스크롤 차단 재확인 */
  html, body {
    overflow-x: hidden !important;
    max-width: 100% !important;
  }

  /* 그리드 유틸 모바일 처리 */
  .grid-2, .grid-3, .grid-4 {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .grid-2 {
    -ms-grid-columns: 1fr 16px 1fr;
    grid-template-columns: repeat(2, 1fr);
  }

  /* 기본 여백 & 폰트 */
  .section { padding: 48px 0; }
  .section-sm { padding: 32px 0; }
  .section-title { font-size: 1.5rem; }
  .section-sub { font-size: 0.9rem; margin-bottom: 32px; }

  /* ④ 컨테이너 좌우 패딩 — 합산 32px, 320px 화면에서도 안전 */
  .container { padding: 0 16px; width: 100%; }

  /* 헤더 */
  .header-inner {
    padding: 0 16px;
    height: 60px;
    overflow: hidden;
  }

  /* ④ 히어로 슬라이더 — vw 기준으로 고정 px 제거 */
  .hero-slider {
    height: 75vw;
    min-height: 300px;
    width: 100%;
    max-width: 100%;
  }
  .slide-bg {
    width: 100%;
    left: 0;
  }
  .slide-content {
    padding: 0 16px;
    max-width: 100%;
    width: 100%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  .slide-content.left { padding-left: 16px; }
  .slide-content.right { padding-right: 16px; }
  .slide-title { font-size: 1.5rem; }
  .slide-subtitle { font-size: 0.9rem; margin-bottom: 20px; }
  .slide-badge { font-size: 0.75rem; padding: 4px 12px; }
  .slide-buttons { gap: 10px; }

  /* ③ 버튼 - 모바일에서 nowrap 해제 */
  .btn { white-space: normal; word-break: keep-all; }
  .btn-lg { padding: 14px 28px; font-size: 0.95rem; }

  /* 퀵 네비 */
  .quick-nav { padding: 32px 0; }
  .quick-nav-grid {
    -ms-grid-columns: 1fr 12px 1fr;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .quick-nav-item { padding: 20px 12px; gap: 8px; min-width: 0; }
  .quick-nav-icon { width: 48px; height: 48px; font-size: 1.2rem; flex-shrink: 0; }
  .quick-nav-text { font-size: 0.82rem; white-space: normal; word-break: keep-all; }

  /* 강점 섹션 — 모바일: 세로 배열 */
  .strength-grid {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 28px;
    width: 100%;
  }
  .strength-item { min-width: 0; width: 100%; }
  .strength-num { font-size: 2.2rem; }
  .strength-label { font-size: 0.9rem; }

  /* ③ 제품 그리드 — min-width:0 필수 */
  .product-grid {
    -ms-grid-columns: 1fr 12px 1fr;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .product-card { min-width: 0; overflow: hidden; }
  .product-card-body { padding: 12px; }
  .product-card-name { font-size: 0.85rem; white-space: normal; word-break: keep-all; }
  .product-card-desc { font-size: 0.8rem; }

  /* 시공사례 그리드 */
  .case-grid { -ms-grid-columns: 1fr; grid-template-columns: 1fr; }
  .case-card { min-width: 0; }

  /* 프로세스 */
  .process-steps { -ms-grid-columns: 1fr; grid-template-columns: 1fr; gap: 12px; }
  .process-step { padding: 20px 16px 16px; min-width: 0; overflow: hidden; }
  .process-step-deco { font-size: 2.5rem; }
  .process-title { font-size: 0.95rem; white-space: normal; word-break: keep-all; }
  .process-desc { font-size: 0.82rem; }
  .process-cta-bar {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 16px;
    width: 100%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  .process-cta-bar .btn { width: 100%; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; }

  /* 모바일 메뉴 */
  .mobile-menu { top: 60px; padding: 16px; width: 100%; max-width: 100vw; left: 0; right: 0; overflow-x: hidden; }

  /* 푸터 */
  .footer-grid { -ms-grid-columns: 1fr; grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  .footer-bottom-links { -ms-flex-wrap: wrap; flex-wrap: wrap; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; gap: 12px; }
  footer { padding: 40px 0 24px; }

  /* CTA 섹션 */
  .cta-section { padding: 56px 0; }
  .cta-title { font-size: 1.5rem; }

  /* 페이지 헤더 */
  .page-hero { padding: 80px 0 40px; }
  .page-hero-title { font-size: 1.8rem; }

  /* 카테고리 배너 */
  .category-header-banner { height: 200px; }
  .category-header-overlay { padding: 20px; }
  .category-header-overlay h2 { font-size: 1.5rem; }

  /* 팝업 */
  .popup-box { width: 92%; max-width: 92%; }

  /* ④ 사이드바/페이지 레이아웃 */
  .page-layout { padding-top: 24px; grid-template-columns: 1fr; gap: 16px; }

  /* ④ 폼 요소 */
  .form-row, .form-row-3 {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  /* ④ 극소형 스마트폰 320px~480px (갤럭시 S8, iPhone SE 등) */
  .product-grid { -ms-grid-columns: 1fr; grid-template-columns: 1fr; }
  /* 퀵 네비는 480px 이하도 2열 유지 (320px 기준 최소 너비 계산: (320-16*2-10)/2 = 139px OK) */
  .quick-nav-grid { -ms-grid-columns: 1fr 10px 1fr; grid-template-columns: repeat(2,1fr); gap: 10px; }
  .quick-nav-item { padding: 14px 8px; }
  .slider-arrow { display: none; }
  .header-inner { padding: 0 12px; }
  .hero-slider { height: 85vw; min-height: 260px; }
  .slide-title { font-size: 1.2rem; }
  .btn-lg { padding: 12px 20px; font-size: 0.9rem; }
  .slide-buttons { gap: 8px; }
  /* 슬라이더 CTA 버튼 세로 배열 */
  .slide-buttons {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
  }
  .slide-buttons .btn { width: 90%; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; }
  /* 컨테이너 패딩 최소화 */
  .container { padding: 0 12px; }
  /* 강점 숫자 */
  .strength-num { font-size: 2rem; }
  /* 푸터 */
  .footer-bottom-links { gap: 10px; }
}

/* 터치 기기 — hover 효과를 :active로 대체 */
@media (hover: none) and (pointer: coarse) {
  /* hover 전용 효과를 active로도 반응하도록 */
  .product-card:active {
    -webkit-transform: translateY(-3px);
    -ms-transform: translateY(-3px);
    transform: translateY(-3px);
    -webkit-box-shadow: 0 8px 32px rgba(0,0,0,.16);
    box-shadow: var(--shadow-lg);
  }
  .case-card:active {
    -webkit-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    transform: translateY(-2px);
  }
  .quick-nav-item:active {
    border-color: #2563EB;
    border-color: var(--secondary);
    -webkit-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    transform: translateY(-2px);
  }
  .quick-nav-item:active .quick-nav-icon {
    background: #2563EB;
    background: var(--secondary);
    color: #ffffff;
    color: var(--white);
  }
  .btn:active {
    -webkit-transform: scale(0.97);
    -ms-transform: scale(0.97);
    transform: scale(0.97);
  }
  .btn-primary:active { background: #1d4ed8; }
  .btn-accent:active { background: #d97706; }
  .float-btn:active {
    -webkit-transform: scale(1.05);
    -ms-transform: scale(1.05);
    transform: scale(1.05);
  }
  /* PC hover 전용 transform 비활성화 (터치 기기에서 hover stuck 방지) */
  .product-card:hover { -webkit-transform: none; -ms-transform: none; transform: none; -webkit-box-shadow: var(--shadow-sm); box-shadow: var(--shadow-sm); }
  .case-card:hover { -webkit-transform: none; -ms-transform: none; transform: none; }
  .quick-nav-item:hover { -webkit-transform: none; -ms-transform: none; transform: none; }
  .process-step:hover { -webkit-transform: none; -ms-transform: none; transform: none; }
}

/* ── 모바일 메뉴 오버레이 ─────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  /* ⑥ 너비가 화면을 초과하지 않도록 */
  width: 100%;
  max-width: 100%;
  background: #0F2B5B;
  background: var(--primary);
  z-index: 999;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 20px 24px;
  -webkit-transition: -webkit-transform 0.3s ease, opacity 0.3s ease;
  -o-transition: transform 0.3s ease, opacity 0.3s ease;
  transition: transform 0.3s ease, opacity 0.3s ease, -webkit-transform 0.3s ease;
  -webkit-transform: translateY(-10px);
  -ms-transform: translateY(-10px);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.mobile-menu.open {
  display: block;
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
@media (max-width: 767px) {
  .mobile-menu { top: 60px; padding: 16px 20px; }
}
.mobile-nav-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 14px 4px;
  min-height: 52px;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
  /* ⑥ 메뉴 링크가 화면 밖으로 나가지 않도록 */
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mobile-nav-link:hover,
.mobile-nav-link:active { color: #ffffff; color: var(--white); }
.mobile-sub-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 12px 20px;
  min-height: 44px;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  -webkit-tap-highlight-color: transparent;
}
.mobile-sub-link:hover,
.mobile-sub-link:active { color: #ffffff; color: var(--white); }

/* ── 페이지 헤더 ──────────────────────────────── */
.page-hero {
  background: -webkit-linear-gradient(315deg, #0F2B5B, #1a4a9f);
  background: -o-linear-gradient(315deg, #0F2B5B, #1a4a9f);
  background: linear-gradient(135deg, #0F2B5B, #1a4a9f);
  background: linear-gradient(135deg, var(--primary), #1a4a9f);
  color: #ffffff;
  color: var(--white);
  padding: 100px 0 60px;
  text-align: center;
}
.page-hero-title { font-size: 2.5rem; font-weight: 700; margin-bottom: 12px; }
.page-hero-sub { opacity: 0.8; font-size: 1rem; }
.breadcrumb {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 8px;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  margin-top: 16px;
  font-size: 0.85rem;
  opacity: 0.7;
}
.breadcrumb a:hover { opacity: 1; }

/* ── 폼 스타일 ────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; color: #334155; color: var(--gray-700); }
.form-required { color: #ef4444; color: var(--danger); margin-left: 4px; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #cbd5e1;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  border-radius: var(--radius);
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: 0.95rem;
  -webkit-transition: 0.3s ease;
  -o-transition: 0.3s ease;
  transition: var(--transition);
  outline: none;
  background: #ffffff;
  background: var(--white);
  /* 크로스 브라우저 기본 스타일 초기화 */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  /* IE 스타일 */
  color: #334155;
  color: var(--gray-700);
}
.form-control:focus {
  border-color: #2563EB;
  border-color: var(--secondary);
  -webkit-box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
/* IE에서 select 초기화 */
.form-control::-ms-expand { display: none; }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2364748b'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  background-color: #ffffff;
}

/* ── 유틸 ─────────────────────────────────────── */
.text-center { text-align: center; }
.text-primary { color: #0F2B5B; color: var(--primary); }
.text-secondary { color: #2563EB; color: var(--secondary); }
.text-accent { color: #F59E0B; color: var(--accent); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.d-flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.align-center {
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.justify-between {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.hidden { display: none !important; }

/* ══════════════════════════════════════════════
   프론트엔드 공통 컴포넌트 (admin-card 등)
══════════════════════════════════════════════ */
.admin-card {
  background: #ffffff;
  background: var(--white);
  border-radius: 16px;
  border-radius: var(--radius-lg);
  -webkit-box-shadow: 0 1px 3px rgba(0,0,0,.08);
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  border: 1px solid var(--gray-200);
  padding: 28px;
  margin-bottom: 24px;
}
.admin-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  color: var(--gray-900);
  margin-bottom: 20px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 8px;
}
.admin-card-title i { color: #2563EB; color: var(--secondary); }

/* 빈 상태 */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 3rem; color: #cbd5e1; color: var(--gray-300); margin-bottom: 16px; }
.empty-title { font-size: 1rem; font-weight: 600; color: #64748b; color: var(--gray-500); margin-bottom: 8px; }
.empty-desc { font-size: 0.85rem; color: #94a3b8; color: var(--gray-400); margin-bottom: 20px; }

/* 폼 확장 */
.form-row {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 16px 1fr;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row-3 {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 16px 1fr 16px 1fr;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
.form-check {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.form-check input {
  width: 16px;
  height: 16px;
  /* accent-color: Chrome 93+, Edge 93+, Firefox 92+, Safari 15.4+
     구형 브라우저는 기본 체크박스 스타일 사용 */
  accent-color: #2563EB;
  accent-color: var(--secondary);
  cursor: pointer;
}

@media (max-width: 767px) {
  .form-row, .form-row-3 {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
}

/* ── 320px~430px 극소형 보정 ─────────────────── */
@media (max-width: 400px) {
  .container { padding: 0 12px; }
  .header-inner { padding: 0 10px; }
  .logo-text { font-size: 1.1rem; }
  .quick-nav-grid { gap: 8px; }
  .quick-nav-item { padding: 12px 6px; }
  .quick-nav-text { font-size: 0.75rem; }
  .quick-nav-icon { width: 40px; height: 40px; font-size: 1rem; }
  .process-cta-bar { padding: 14px 12px; }
  .footer-bottom { font-size: 0.75rem; }
  .footer-bottom-links { gap: 8px; font-size: 0.75rem; }
  .strength-num { font-size: 1.8rem; }
}