/* Generated by optimize-css-mobile-20260915.py; source order preserved. */
/* ============================================================
   KEMP 홈페이지 공통 스타일
   - 포인트 컬러, 폰트 크기 등 자주 바꾸는 값은 :root 변수만 수정
   ============================================================ */
/* Shared typography is loaded once by platform-20260904.css. */

:root {
  /* 골드 램프 (딥골드 리파인) — 역할별 6단 스케일 */
  --gold-300: #F2CE4A;      /* 다크 배경 하이라이트·글로우 전용 */
  --gold-400: #E3BC1F;      /* 다크 배경 표준 액센트: GNB 언더라인·현재위치·틱·도트 */
  --gold-500: #C7A008;      /* CTA 채움면 */
  --gold-600: #A98307;      /* 라이트 배경 대형 숫자·아이콘 */
  --gold-700: #8A6D00;      /* 라이트 배경 소형 라벨 텍스트 */
  --gold-tint: #FBF6E4;     /* 옐로우 틴트 배경 */
  --accent: var(--gold-400); /* 하위 호환 별칭 (구 원색 옐로우 대체) */
  /* 뉴트럴 스틸 램프 */
  --n-950: #101318;
  --n-900: #1A2029;
  --n-700: #3D4654;
  --n-600: #4A5361;
  --n-500: #6B7686;
  --n-400: #8B95A5;
  --n-300: #B9C0CC;
  --n-200: #D9DEE7;
  --n-100: #EBEEF3;
  --n-50: #F4F6F9;
  --dark: #101318;
  --dark2: #1A2029;
  --gray: var(--n-500);
  /* 다크 사진 위 공통 스크림 */
  --scrim: linear-gradient(180deg, rgba(16,19,24,.62), rgba(16,19,24,.38) 45%, rgba(16,19,24,.62));
  --header-h: 100px;
  /* 타이포 3계층: 본문 / 영문 디스플레이 / 데이터·라벨(모노) */
  --font: 'Lato', 'Noto Sans KR', sans-serif;
  --font-display: 'Space Grotesk', 'Lato', 'Noto Sans KR', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--dark2);
  letter-spacing: -0.01em; /* 크기 비례 자간 (구: -0.5px 고정) */
  -webkit-font-smoothing: antialiased;
}

/* 키보드 사용자는 반복 메뉴를 건너뛰고 본문으로 바로 이동 */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 11px 16px;
  background: var(--gold-400);
  color: var(--n-950);
  font-weight: 700;
  border-radius: 2px;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }
/* 한국어 타이포 기본기: 어절 단위 줄바꿈 */
h1, h2, h3, h4, p, li, dt, dd, th, td, figcaption {
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; vertical-align: middle; }

/* ---------- 헤더 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  transition: background .3s, box-shadow .3s;
}
.site-header.scrolled,
.site-header:hover {
  background: rgba(16,19,24,.72);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  box-shadow: inset 0 -1px 0 rgba(255,255,255,.07);
}
/* 블러 미지원 브라우저: 기존 진한 배경 유지 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header.scrolled,
  .site-header:hover { background: rgba(16,19,24,.92); }
}
.site-header .logo { flex: 0 0 auto; }
.site-header .logo img { height: 40px; }

.gnb { display: flex; flex: 1 1 auto; justify-content: center; min-width: 0; gap: 8px; }
.gnb > li { position: relative; }
.gnb > li > a {
  position: relative;
  display: block;
  padding: 38px 26px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
  transition: color .2s ease;
}
.gnb > li > a:hover { color: var(--gold-400); }
/* 호버·현재 페이지 골드 언더라인 (.current-group은 sub.js가 URL 매칭으로 부여) */
.gnb > li > a::after {
  content: '';
  position: absolute;
  left: 26px; right: 26px; bottom: 30px;
  height: 2px;
  background: var(--gold-400);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .28s cubic-bezier(.22,.61,.36,1);
}
.gnb > li:hover > a::after,
.gnb > li > a:focus-visible::after,
.gnb > li.current-group > a::after { transform: scaleX(1); }
.gnb > li.current-group > a { color: var(--gold-400); }
/* GNB 상위 링크 안 로고 이미지 — 텍스트 라인과 정렬 */
.gnb .nav-logo-img { height: 14px; width: auto; vertical-align: -1px; display: inline-block; }

/* 드롭다운 서브메뉴: 페이드+슬라이드 등장, :focus-within으로 키보드 접근성 확보 */
.gnb .sub {
  display: block;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: var(--header-h); left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 210px;
  background: rgba(16,19,24,.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 14px 0;
  border-top: 2px solid rgba(255,255,255,.12);
  border-radius: 0 0 14px 14px;
  box-shadow: 0 24px 48px -12px rgba(0,0,0,.45);
  transition: opacity .22s ease, transform .22s ease, visibility 0s linear .22s;
}
.gnb > li:hover .sub,
.gnb > li:focus-within .sub {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  transition: opacity .22s ease, transform .22s ease, visibility 0s;
}
.gnb .sub a {
  display: block;
  padding: 9px 24px;
  color: var(--n-200);
  font-size: 13.5px;
  white-space: nowrap;
  text-align: center;
  transition: color .18s ease, background .18s ease;
}
.gnb .sub a:hover { color: var(--gold-400); background: rgba(255,255,255,.06); }
.gnb .sub a.current { color: var(--gold-400); }

.header-util { display: flex; flex: 0 0 auto; align-items: center; gap: 18px; }
.lang-switch { display: flex; gap: 10px; }
.lang-switch a { color: var(--n-400); font-size: 13px; font-weight: 700; }
.lang-switch a.on { color: #fff; }
.lang-select {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 2px; /* 지오메트리 경화 */
  padding: 7px 10px;
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
}
.lang-select option { color: var(--n-950); background: #fff; }
.btn-contact {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 0;
  min-width: 88px;
  min-height: 44px;
  padding: 10px 26px;
  border: 1px solid #fff;
  border-radius: 2px; /* 지오메트리 경화 */
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
  white-space: nowrap;
  transition: all .3s;
}
/* CTA 채움면(--gold-500)이 좌→우 슬라이드 (배경 뚝 전환 대체) */
.btn-contact::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: var(--gold-500);
  transform: translateX(-102%);
  transition: transform .32s cubic-bezier(.22,.61,.36,1);
}
.btn-contact:hover { border-color: var(--gold-500); color: var(--dark); }
.btn-contact:hover::before { transform: translateX(0); }

/* 모바일 햄버거 */
.hamburger { display: none; background: none; border: 0; cursor: pointer; }
.hamburger span { display: block; width: 26px; height: 2px; background: #fff; margin: 6px 0; transition: .3s; }

/* ---------- 풀스크린 스크롤 (CSS scroll-snap) ---------- */
.fullpage {
  height: 100vh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
}
.fp-section {
  height: 100vh;
  scroll-snap-align: start;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.fp-section.auto { height: auto; min-height: 0; display: block; scroll-snap-align: end; }

/* 어두운 스틸 틴트 오버레이로 텍스트 가독성 확보 */
.fp-section::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(16,19,24,.42);
}
.fp-section.auto::before { display: none; }
/* 정렬 축 좌측 전환: 콘텐츠 컬럼은 중앙 배치, 텍스트는 좌측 정렬 */
.fp-section > .inner {
  position: relative;
  z-index: 1;
  text-align: left;
  width: 100%;
  max-width: 1200px;
  padding: 0 clamp(24px, 5vw, 64px);
}
/* 히어로: 세그먼트 라우터 수납 밀도 — 720px 뷰포트에서도 100vh 안에 들어가도록 패딩 축소 */
.sec-hero .inner { padding-top: clamp(24px, 6vh, 90px); }

/* 섹션 배경 이미지 */
.sec-hero    { background-image: url("/assets/img/design/main_bg_1_v20260903.webp"); }
.sec-tech    { background-image: url("/assets/img/design/main_bg_2_v20260903.webp"); }
.sec-global  { background-image: url("/assets/img/design/main_bg_3_v20260903.webp"); }
.sec-value   { background-image: url("/assets/img/design/main_bg_4_v20260903.webp"); }
.sec-sample  { background-image: url("/assets/img/design/main_bg_5_v20260903.webp"); }
.sec-quality { background-image: url("/assets/img/design/main_bg_6_v20260903.webp"); }
/* 다크 섹션 사진 그레이딩: 스틸 컬러 위 luminosity 블렌드로 채도 정돈 */
.sec-hero, .sec-tech, .sec-global, .sec-value, .sec-sample, .sec-quality {
  background-color: var(--n-950);
  background-blend-mode: luminosity;
}
.sec-clients { background: var(--n-50); color: var(--dark2); }
.sec-news    { background: var(--n-100); color: var(--dark2); }
.sec-clients::before, .sec-news::before { display: none; }

/* 섹션 브랜드 로고 (라벨 자리에 제품 로고를 쓸 때) */
.sec-logo { height: clamp(30px, 4vw, 46px); width: auto; }

/* 섹션 텍스트: 라벨(작게+넓은 자간+괘선) → 제목(유동 스케일) → 리드 3단 위계 */
.sec-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-400);
  letter-spacing: .04em; /* 모노는 0~.04em */
  text-transform: uppercase;
}
/* 밝은 섹션 라벨: 라이트 배경용 딥골드 (구 인라인 색 대체) */
.sec-clients .sec-label, .sec-news .sec-label { color: var(--gold-700); }
/* 좌측 정렬 축: 왼쪽 단일 대시만 */
.sec-label::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: currentColor; /* 밝은 섹션의 인라인 색 오버라이드 자동 대응 */
  opacity: .55;
  vertical-align: middle;
  margin: 0 12px 0 0;
}
.fp-section h1,
.fp-section h2 {
  font-family: var(--font-display); /* 영문 디스플레이 — 한글은 Noto Sans KR 900 폴백 */
  font-size: clamp(32px, 3.2vw + 10px, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  padding-top: 14px;
  text-shadow: 0 2px 28px rgba(0,0,0,.35); /* 밝은 사진부 가독 보정 */
}
.fp-section .desc {
  font-size: clamp(15px, 0.5vw + 11px, 18px);
  font-weight: 400;
  line-height: 1.75;
  padding-top: 22px;
  max-width: 640px;
  margin-inline: 0; /* 좌측 정렬 축 */
  color: rgba(255,255,255,.9);
}
.sec-clients h1, .sec-clients h2,
.sec-news h1, .sec-news h2 {
  font-size: clamp(26px, 1.2vw + 18px, 34px);
  font-weight: 700;
  letter-spacing: -0.015em;
  text-shadow: none;
}
.sec-clients .desc, .sec-news .desc { color: var(--gray); }

/* 섹션 버튼 (알약형): CTA 채움면(--gold-500) 좌→우 슬라이드 인터랙션 */
.btn-pill {
  position: relative;
  overflow: hidden;
  z-index: 0;
  display: inline-block;
  margin-top: 36px;
  padding: 14px 40px;
  border: 1px solid #fff;
  border-radius: 2px; /* 지오메트리 경화: 알약 → 직각에 가까운 칩 */
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  transition: all .3s;
}
.btn-pill::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: var(--gold-500);
  transform: translateX(-102%);
  transition: transform .32s cubic-bezier(.22,.61,.36,1);
}
.btn-pill:hover { border-color: var(--gold-500); color: var(--dark); }
.btn-pill:hover::before { transform: translateX(0); }
.btn-pill.dark { border-color: var(--dark2); color: var(--dark2); }
.btn-pill.dark::before { background: var(--gold-500); }
.btn-pill.dark:hover { border-color: var(--gold-500); color: var(--dark); }

/* Scroll Down 표시: 골드 라인이 위→아래로 그려졌다 사라지는 드로우 인디케이터 */
.scroll-down {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  font-size: 11px;
  letter-spacing: .32em;
  color: rgba(255,255,255,.85);
  text-align: center;
}
.scroll-down img { display: none; } /* 화살표 이미지 → 드로우 라인으로 대체 */
.scroll-down::after {
  content: '';
  display: block;
  width: 2px;
  height: 38px;
  margin: 12px auto 0;
  background: linear-gradient(to bottom, var(--gold-400) 60%, rgba(227,188,31,0));
  transform-origin: top center;
  animation: scroll-line 2.2s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes scroll-line {
  0%   { transform: scaleY(0); opacity: 1; }
  55%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* 우측 도트 네비게이션 */
.fp-dots {
  position: fixed;
  right: 26px; top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex; flex-direction: column; gap: 14px;
}
.fp-dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid #fff;
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.fp-dots button:hover { transform: scale(1.35); }
.fp-dots button.on { background: var(--gold-400); border-color: var(--gold-400); }
.fp-dots.dark button { border-color: var(--gray); }
.fp-dots.dark button.on { background: var(--gold-400); border-color: var(--gold-400); }

/* ---------- 주요 고객사 ---------- */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px 26px;
  max-width: 1100px;
  margin: 40px 0 0; /* 좌측 정렬 축 */
  align-items: center;
}
.clients-grid img { filter: grayscale(1); opacity: .75; transition: .3s; }
.clients-grid img:hover { filter: none; opacity: 1; }

/* ---------- 뉴스 ---------- */
.news-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x proximity; /* 대각선 스크롤 시 강제 점프 완화 */
  scroll-padding-left: 0;
  overscroll-behavior-x: contain;
  max-width: 1200px;
  margin: 40px 0 0; /* 좌측 정렬 축 */
  padding: 4px 12px 16px 0; /* 카드 첫 열을 제목 축에 맞춤 */
  scrollbar-width: thin;                        /* Firefox */
  scrollbar-color: rgba(16,19,24,.22) transparent;
}
.news-track::-webkit-scrollbar { height: 6px; }
.news-track::-webkit-scrollbar-track { background: transparent; }
.news-track::-webkit-scrollbar-thumb { background: rgba(16,19,24,.22); border-radius: 999px; }
.news-track::-webkit-scrollbar-thumb:hover { background: rgba(16,19,24,.4); }
.news-card {
  flex: 0 0 260px;
  scroll-snap-align: start;
  background: #fff;
  border: 1px solid var(--n-100);
  border-radius: 4px; /* 지오메트리 경화 */
  overflow: hidden;
  text-align: left;
  box-shadow: none; /* 기본 상태는 헤어라인 보더 중심 */
  transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: var(--n-200);
  box-shadow: 0 20px 38px -10px rgba(16,19,24,.16);
}
.news-card img { width: 100%; height: 180px; object-fit: cover; transition: transform .45s ease; }
.news-card:hover img { transform: scale(1.05); }
.news-card .tit {
  padding: 16px 16px 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 60px;
}
.news-card .date { padding: 0 16px 16px; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .02em; font-variant-numeric: tabular-nums; color: var(--gray); }

/* ---------- 푸터 ---------- */
.site-footer {
  background: var(--dark);
  color: var(--n-400);
  font-size: 13.5px;
  line-height: 1.9;
  padding: 60px 50px 40px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  max-width: 1300px;
  margin: 0 auto;
}
.footer-info { color: var(--n-400); }
.footer-info .foot-logo { height: 34px; margin-bottom: 18px; }
/* 위계 교정: 라벨(어둡게) < 값(밝게) */
.footer-info strong {
  color: var(--n-500);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .3px;
  margin-right: 2px;
}
.footer-sns { display: flex; gap: 12px; margin-top: 22px; }
.footer-sns a { display: inline-block; opacity: .8; transition: transform .2s ease, opacity .2s ease; }
.footer-sns a:hover { opacity: 1; transform: translateY(-3px); }
.footer-sns img { width: 34px; height: 34px; }
.footer-sitemap { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-sitemap dt {
  color: #fff;
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: .06em;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  margin-bottom: 12px;
}
.footer-sitemap dd a { color: var(--n-400); font-size: 13px; display: block; padding: 2px 0; transition: color .2s ease; }
.footer-sitemap dd a:hover { color: var(--accent); }
.footer-copy {
  text-align: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.07);
  color: var(--n-500);
  font-size: 12.5px;
  letter-spacing: .05em;
}

/* ---------- 반응형 ---------- */
@media (max-width: 1360px) {
  .site-header { padding-inline: 24px; }
  .gnb { gap: 2px; }
  .gnb > li > a { padding-inline: 14px; font-size: 15px; }
  .gnb > li > a::after { left: 14px; right: 14px; }
  .header-util { gap: 10px; }
  .header-util .btn-catalog { display: none; }
  .btn-contact { min-width: 84px; padding-inline: 16px; }
}
@media (max-width: 1270px) {
  .gnb, .header-util .btn-contact { display: none; }
  .hamburger { display: block; }
  .site-header { padding: 0 22px; height: 70px; }
  :root { --header-h: 70px; }
  /* 중간 폭부터 전체메뉴로 전환해 다국어 메뉴와 문의 CTA의 줄바꿈을 방지 */
  .mobile-menu {
    position: fixed; inset: 0; top: 70px;
    background: rgba(16,19,24,.97);
    z-index: 99;
    overflow-y: auto;
    padding: 30px 28px;
    display: block;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  }
  .mobile-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity .25s ease, transform .25s ease, visibility 0s;
  }
  body.menu-open { overflow: hidden; }
  .mobile-menu dl { max-width: 620px; margin: 0 auto; }
  .mobile-menu dt {
    position: relative;
    color: #fff;
    font-weight: 700;
    font-size: 17px;
    padding: 17px 44px 17px 2px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    cursor: pointer;
  }
  .mobile-menu dt::after {
    content: '+';
    position: absolute;
    right: 4px;
    top: 50%;
    color: var(--gold-400);
    font-size: 23px;
    font-weight: 400;
    line-height: 1;
    transform: translateY(-50%);
    transition: transform .2s ease;
  }
  .mobile-menu dt.open::after { transform: translateY(-50%) rotate(45deg); }
  .mobile-menu dd { background: rgba(255,255,255,.025); }
  .mobile-menu dd a { color: var(--n-200); display: block; padding: 10px 12px 10px 16px; font-size: 15px; }
  .mobile-menu dd a:hover, .mobile-menu dd a:focus-visible { color: var(--gold-300); }
}
@media (max-width: 1200px) {
  .gnb > li > a { padding: 38px 10px; font-size: 14px; }
  .gnb > li > a::after { left: 10px; right: 10px; }
}
@media (max-width: 960px) {
  /* h1/.desc 모바일 크기는 clamp() 하한(32px/15px)이 담당 */
  .sec-hero    { background-image: url("/assets/img/design/main_bg_1_m_v20260903.webp"); }
  .sec-tech    { background-image: url("/assets/img/design/main_bg_2_m_v20260903.webp"); }
  .sec-global  { background-image: url("/assets/img/design/main_bg_3_m_v20260903.webp"); }
  .sec-value   { background-image: url("/assets/img/design/main_bg_4_m_v20260903.webp"); }
  .sec-sample  { background-image: url("/assets/img/design/main_bg_5_m_v20260903.webp"); }
  .sec-quality { background-image: url("/assets/img/design/main_bg_6_m_v20260903.webp"); }
  .clients-grid { grid-template-columns: repeat(3, 1fr); padding: 0 20px; }
  .fp-dots { display: none; }
}
@media (min-width: 1271px) { .mobile-menu { display: none !important; } }

/* ---------- 풀스크린 텍스트 순차 등장 (main.js가 html에 js-motion 부여 — 무JS 시 항상 표시) ---------- */
.js-motion .fp-section .inner > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.js-motion .fp-section.is-active .inner > * { opacity: 1; transform: translateY(0); }
.js-motion .fp-section.is-active .inner > :nth-child(1) { transition-delay: .08s; }
.js-motion .fp-section.is-active .inner > :nth-child(2) { transition-delay: .2s; }
.js-motion .fp-section.is-active .inner > :nth-child(3) { transition-delay: .32s; }
.js-motion .fp-section.is-active .inner > :nth-child(4) { transition-delay: .44s; }
.js-motion .fp-section.is-active .inner > :nth-child(5) { transition-delay: .56s; }
/* 버튼은 색 전환 병기 + 색 전환에는 지연 미적용 (nth-child 규칙보다 반드시 뒤) */
.js-motion .fp-section .inner > .btn-pill {
  transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1),
              border-color .3s ease, color .3s ease;
}
.js-motion .fp-section.is-active .inner > .btn-pill { transition-delay: .44s, .44s, 0s, 0s; }

/* ---------- 브랜드 마이크로 디테일 ---------- */
/* 시험규격 표기 유틸: ASTM B117, JIS H 8502 등 인라인 규격은 모노로 */
.spec { font-family: var(--font-mono); font-size: .92em; }
::selection { background: var(--gold-tint); color: var(--dark); }
:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 3px; border-radius: 2px; }

/* ============================================================
   C1: 섹션별 변화 각본 — 메인 8섹션 문법 분화
   ============================================================ */

/* ② 기술: 배경사진 제거 → 다크 솔리드(--n-950) 위 5:7 비대칭 스플릿 */
.fp-section.sec-tech { background: var(--n-950); }
.sec-tech::before, .fp-section.sec-value::before { display: none; }
.tech-split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
}
.tech-copy { max-width: 560px; }
.tech-copy .sec-label { display: block; margin-top: 28px; }
.tech-evidence { margin: 0; min-width: 0; }
.tech-evidence img {
  display: block;
  width: 100%;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 4px;
}
.tech-evidence figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--n-400);
}

/* ③ 글로벌: 좌하단 앵커 + 대형 연도 수치(모노) */
.sec-global .inner { padding-top: clamp(70px, 16vh, 200px); }
.global-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px clamp(36px, 6vw, 88px);
  margin-top: 38px;
}
.g-stat .num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(40px, 3.2vw + 16px, 62px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gold-300);
  font-variant-numeric: tabular-nums;
}
.g-stat .cap {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.85);
}

/* ④ 솔루션: 라이트 배경(--n-50) 반전 + 오프그리드 목차형 */
.fp-section.sec-value { background: var(--n-50); color: var(--dark2); }
.sec-value .sec-label { color: var(--gold-700); }
.sec-value h1,
.sec-value h2 {
  font-size: clamp(28px, 1.6vw + 18px, 40px);
  text-shadow: none;
}
.sec-value .desc { color: var(--gray); }
.value-toc {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(28px, 4vw, 72px);
  align-items: start;
}
.value-list {
  list-style: none;
  margin-top: clamp(20px, 9vh, 96px); /* 오프그리드: 우측 리스트를 아래로 밀어 어긋난 정렬 */
}
.value-list li + li { border-top: 1px solid var(--n-200); }
.value-list a {
  display: flex;
  align-items: baseline;
  gap: clamp(18px, 2.4vw, 40px);
  padding: clamp(14px, 2.4vh, 26px) 4px;
  transition: background .2s ease, padding .25s ease;
}
.value-list a:hover { background: #fff; padding-left: 16px; }
.value-list .no {
  font-family: var(--font-mono);
  font-size: clamp(22px, 1.6vw + 10px, 34px);
  font-weight: 600;
  color: var(--gold-600);
  font-variant-numeric: tabular-nums;
}
.value-list .tit {
  font-size: clamp(17px, 1vw + 11px, 25px);
  font-weight: 700;
  color: var(--dark2);
}

/* 라이트 섹션(sec-value) 위 도트 가시성: JS 무수정 — 밝은 배경에서도 보이는 외곽 링 */
.fp-dots:not(.dark) button { box-shadow: 0 0 0 1px rgba(16,19,24,.22); }

/* C1 반응형: 스플릿·목차 1단 적층 + 내용 초과 시 섹션 높이 유동 */
@media (max-width: 960px) {
  .fp-section.sec-tech, .fp-section.sec-value {
    height: auto;
    min-height: 100vh;
    padding: calc(var(--header-h) + 36px) 0 56px;
  }
  .tech-split, .value-toc { grid-template-columns: 1fr; gap: 30px; }
  .value-list { margin-top: 0; }
  .sec-global .inner { padding-top: clamp(56px, 12vh, 140px); }
  .g-stat .num { font-size: clamp(34px, 9vw, 48px); }
}

/* ============================================================
   히어로 세그먼트 라우터 — 시장별 진입 칩 8 + 30초 진단 딥링크
   (브랜드 카피는 축소, 라우터가 히어로의 본체)
   ============================================================ */
/* 브랜드 카피 축소: h1 한 단계 다운 + 리드 압축 */
.sec-hero h1 {
  font-size: clamp(26px, 1.8vw + 12px, 40px);
  padding-top: 10px;
}
.sec-hero .desc {
  font-size: clamp(14px, 0.3vw + 11px, 16px);
  line-height: 1.6;
  padding-top: 10px;
}

.hero-router { margin-top: clamp(18px, 3.4vh, 34px); }
.router-q {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.01em;
}

/* 칩 그리드: 4열 → 모바일 2열 */
.seg-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
  max-width: 920px;
}
/* 세그먼트 칩: 다크 유리 카드 — rgba 배경 + 헤어라인, 호버 시 골드 보더·리프트 */
.seg-chip {
  display: block;
  padding: 10px 12px;
  background: rgba(16,19,24,.55);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 4px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: border-color .22s ease, transform .22s ease, background .22s ease;
}
.seg-chip:hover {
  border-color: var(--gold-400);
  background: rgba(16,19,24,.72);
  transform: translateY(-3px);
}
.seg-chip .lb {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  word-break: keep-all;   /* 긴 라벨(용융아연도금 인프라 현장 보수)의 어절 중간 파단 방지 */
  text-wrap: balance;
}
.seg-chip .hk {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--n-300);
}

/* 진단 한 줄: 모노 라벨 + 소재 알약 버튼 4개 */
.diag-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-top: 14px;
}
.diag-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--n-300);
  margin-right: 4px;
}
.diag-btn {
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.diag-btn:hover {
  border-color: var(--gold-400);
  color: var(--gold-300);
  background: rgba(16,19,24,.5);
}

/* 우회 링크: 사양 확정 고객 바로 문의 */
.bypass {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--n-300);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255,255,255,.35);
  transition: color .2s ease, text-decoration-color .2s ease;
}
.bypass:hover { color: var(--gold-300); text-decoration-color: var(--gold-300); }

/* ============================================================
   플랫폼형 히어로 — 첫 화면은 세 가지 탐색 방식만 제시
   ============================================================ */
.sec-hero h1 {
  max-width: 780px;
  font-size: clamp(40px, 4vw + 12px, 68px);
  line-height: 1.08;
  padding-top: 16px;
}
.sec-hero .desc {
  max-width: 720px;
  font-size: clamp(16px, .6vw + 12px, 20px);
  padding-top: 18px;
}
.platform-entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 980px;
  margin-top: clamp(28px, 5vh, 52px);
}
@media (min-width: 961px) {
  .platform-entry-grid.platform-entry-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.platform-entry {
  position: relative;
  display: flex;
  min-height: 154px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  overflow: hidden;
  background: rgba(16,19,24,.68);
  border: 1px solid rgba(255,255,255,.18);
  color: #fff;
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}
.platform-entry::after {
  content: '→';
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-mono);
  color: var(--n-300);
  transition: transform .2s ease, color .2s ease;
}
.platform-entry:hover {
  transform: translateY(-4px);
  border-color: var(--gold-400);
  background: rgba(16,19,24,.86);
}
.platform-entry:hover::after { transform: translateX(4px); color: var(--gold-300); }
.platform-entry.is-primary {
  background: var(--gold-500);
  border-color: var(--gold-400);
  color: var(--n-950);
}
.platform-entry.is-primary::after,
.platform-entry.is-primary .pe-no,
.platform-entry.is-primary > span:last-child { color: rgba(16,19,24,.68); }
.platform-entry .pe-no {
  position: absolute;
  top: 20px;
  left: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-300);
}
.platform-entry strong {
  display: block;
  font-size: clamp(18px, 1vw + 13px, 24px);
  line-height: 1.25;
}
.platform-entry > span:last-child {
  display: block;
  margin-top: 8px;
  color: var(--n-300);
  font-size: 13px;
  line-height: 1.55;
}
.hero-consult {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(255,255,255,.38);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: color .2s ease, border-color .2s ease;
}
.hero-consult:hover { color: var(--gold-300); border-color: var(--gold-300); }

/* 현장별 솔루션은 밝은 디렉터리 화면으로 분리 */
.fp-section.sec-market-directory {
  background: var(--n-50);
  color: var(--n-950);
}
.sec-market-directory::before { display: none; }
.sec-market-directory .sec-label { color: var(--gold-700); }
.sec-market-directory h2 {
  color: var(--n-950);
  font-size: clamp(32px, 2.8vw + 14px, 54px);
  text-shadow: none;
}
.sec-market-directory .desc {
  max-width: 620px;
  padding-top: 16px;
  color: var(--n-600);
}
.market-directory-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}
.directory-all {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 18px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--n-400);
  color: var(--n-700);
  font-size: 13px;
  font-weight: 700;
  transition: color .2s ease, border-color .2s ease;
}
.directory-all:hover { color: var(--gold-700); border-color: var(--gold-500); }
.market-directory-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--n-200);
  border-left: 1px solid var(--n-200);
}
.market-directory-grid a {
  position: relative;
  display: flex;
  min-height: 142px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  background: #fff;
  border-right: 1px solid var(--n-200);
  border-bottom: 1px solid var(--n-200);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.market-directory-grid a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gold-500);
  transition: width .25s ease;
}
.market-directory-grid a:hover {
  z-index: 1;
  background: var(--gold-tint);
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(16,19,24,.1);
}
.market-directory-grid a:hover::before { width: 100%; }
.market-directory-grid strong {
  color: var(--n-950);
  font-size: 18px;
  line-height: 1.3;
  word-break: keep-all;
}
.market-directory-grid span {
  margin-top: 7px;
  color: var(--n-500);
  font-size: 12.5px;
  line-height: 1.5;
}

/* 라우터 반응형: 칩 2열 적층 + 히어로 높이 유동(내용 초과 시) */
@media (max-width: 960px) {
  .fp-section.sec-hero {
    height: auto;
    min-height: 100vh;
    padding: calc(var(--header-h) + 28px) 0 120px; /* 하단은 scroll-down 자리 확보 */
  }
  .sec-hero .inner { padding-top: 0; }
  .sec-hero h1 { font-size: clamp(36px, 9vw, 52px); }
  .platform-entry-grid { grid-template-columns: 1fr; margin-top: 28px; }
  .platform-entry { min-height: 118px; }
  .seg-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .seg-chip { padding: 9px 11px; }
  .seg-chip .lb { font-size: 13.5px; }
  .fp-section.sec-market-directory {
    height: auto;
    min-height: 100vh;
    padding: calc(var(--header-h) + 48px) 0 72px;
  }
  .market-directory-head { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
  .market-directory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .platform-entry { padding: 18px; }
  .platform-entry .pe-no { top: 16px; left: 18px; }
  .platform-entry::after { top: 16px; right: 18px; }
  .market-directory-grid a { min-height: 128px; padding: 18px; }
  .market-directory-grid strong { font-size: 16px; }
}

/* ---------- 모션 최소화 선호: 전역 가드 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
}

/* Global 섹션: 디스트리뷰터 초대 문장 + 버튼 2열 */
.fp-section .invite {
  margin-top: 18px;
  max-width: 620px;
  font-size: clamp(15.5px, 1vw + 9px, 19px);
  font-weight: 700;
  line-height: 1.65;
  color: #fff;
}
.fp-section .btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.fp-section .btn-row .btn-pill { margin-top: 0; }

/* Keep the native language picker and menu reachable on narrow phones. */
@media (max-width: 480px) {
  .site-header { padding-inline: 12px; gap: 12px; }
  .site-header>nav { display: none; }
  .site-header .logo img { height: clamp(28px, 8vw, 36px); width: auto; }
  .site-header .header-util { flex: 1 1 auto; min-width: 0; justify-content: flex-end; gap: 8px; }
  .site-header .lang-switch { flex: 1 1 110px; min-width: 0; max-width: 144px; }
  .site-header .lang-select { flex: 1 1 110px; width: 100%; min-width: 0; max-width: 144px; min-height: 40px; padding-inline: 8px; font-size: 14px; }
  .site-header .hamburger { flex: 0 0 40px; width: 40px; min-height: 44px; padding: 7px; }
  .site-header .hamburger span { margin-inline: auto; }
}

/* Keyboard-operable disclosure controls preserve the existing mobile layout. */
@media (max-width:1270px) {
  .mobile-menu dt.mobile-section-heading { padding:0; }
  .mobile-section-toggle { display:block; width:100%; min-height:56px; padding:17px 44px 17px 2px; border:0; background:transparent; color:inherit; font:inherit; text-align:start; cursor:pointer; }
  .mobile-menu dt.mobile-section-heading::after { pointer-events:none; }
  .mobile-section-toggle:focus-visible { outline:2px solid var(--gold-400); outline-offset:-3px; }
}
main[id][tabindex="-1"] { scroll-margin-top:calc(var(--header-h,100px) + 16px); }
.article-body img[width][height], .revision4-company main .split img[width][height] { height:auto; }
.gnb > li.nav-open .sub { transition-property:opacity,transform; transition-delay:0s; }

/* Keep shared-header brand marks at their intrinsic aspect ratios. */
.site-header > .logo img {
  width: auto;
  max-width: none;
  object-fit: contain;
}
.site-header .gnb .nav-logo-img {
  width: auto;
  max-width: none;
  object-fit: contain;
  flex: 0 0 auto;
}
.site-header .gnb > li:has(.nav-logo-img) { flex-shrink: 0; }

/* Reserve space for translated navigation before the mobile breakpoint.
   Catalogues remain accessible from the service/resources navigation. */
@media (min-width: 1271px) and (max-width: 1500px) {
  .site-header .header-util .btn-catalog { display: none; }
}

@media (min-width: 1271px) and (max-width: 1366px) {
  .site-header .gnb > li > a[href] { padding-inline: 7px; font-size: 14px; }
}
/* ============================================================
   KEMP 하위 페이지 공통 스타일 (style.css 다음에 로드)
   ============================================================ */

/* 공통 토큰: 여백 리듬(4단 clamp) + 서브히어로 오버레이 (--font 구조와 무관한 신규 변수만 추가) */
:root {
  --sp-m: clamp(28px, 3vw, 40px);
  --sp-l: clamp(44px, 5vw, 60px);
  --sp-xl: clamp(64px, 8vw, 104px);
  --sp-2xl: clamp(88px, 10vw, 128px);
  --hero-overlay: var(--scrim); /* 스크림 단일화: style.css --scrim 기반 */
  /* 소형(553px) 스튜디오 컷용: 좌측 다크 → 우측 투명 페이드 (사진 좌측 경계선 은폐) */
  --hero-fade: linear-gradient(100deg, #101318 0%, #101318 48%, rgba(16,19,24,.55) 70%, rgba(16,19,24,0) 100%);
}

/* 하위 페이지에서는 헤더가 항상 어두운 배경 (반투명+블러) */
body.subpage-body .site-header {
  background: rgba(16,19,24,.78);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  box-shadow: inset 0 -1px 0 rgba(255,255,255,.07);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  body.subpage-body .site-header { background: rgba(16,19,24,.92); }
}

/* ---------- 서브 히어로 배너 ---------- */
.sub-hero {
  position: relative;
  /* 와이드 화면일수록 높게 — 배경 사진이 얇은 띠로 잘려 보이는 것 방지 */
  height: clamp(340px, 24vw, 480px);
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* 정렬 축 좌측 전환 — 우측 사진 배치 그룹과 궁합 */
  justify-content: center;
  text-align: left;
  color: #fff;
  background: var(--hero-overlay) center/cover no-repeat;
  padding: var(--header-h) clamp(24px, 6vw, 80px) 0;
}
.sub-hero h1,
.sub-hero .section-heading { margin: 0; font-family: var(--font-display); font-size: clamp(28px, 2.2vw + 12px, 44px); font-weight: 700; letter-spacing: -0.02em; }
/* h1 위 골드 틱 */
.sub-hero h1::before,
.sub-hero .section-heading::before {
  content: '';
  display: block;
  width: 36px; height: 3px;
  background: var(--gold-400);
  border-radius: 2px;
  margin: 0 0 18px; /* 좌측 정렬 */
}
/* 브레드크럼: 필 캡슐 제거 → 플레인 모노 텍스트 + ' / ' 구분 */
.sub-hero .crumb {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(255,255,255,.8);
}
.sub-hero .crumb a { transition: color .2s ease; }
.sub-hero .crumb a:hover { color: var(--accent); }
/* 기존 '›' 글리프는 font-size 0으로 숨기고 '/'로 교체 */
.sub-hero .crumb span { margin: 0 10px; color: rgba(255,255,255,.45); font-size: 0; }
.sub-hero .crumb span::before { content: '/'; font-size: 12px; }

/* 표준 서브 히어로: 영문 분류 → 제목 → 한 문장 설명 → 경로 */
.sub-hero.standardized h1::before,
.sub-hero.standardized .section-heading::before { display: none; }
.sub-hero.standardized {
  gap: 0;
}
.sub-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold-300);
}
.sub-hero-label::before {
  content: '';
  width: 26px;
  height: 2px;
  background: currentColor;
}
.sub-hero-summary {
  max-width: 660px;
  margin-top: 14px;
  color: rgba(255,255,255,.82);
  font-size: clamp(14px, .35vw + 12px, 16px);
  line-height: 1.7;
}
.sub-hero.standardized .crumb { margin-top: 18px; }

/* Innozinc 계열 페이지: h1 위 옐로우 틱 대신 Innozinc 화이트 로고 */
.sub-hero.innozinc h1::before,
.sub-hero.innozinc .section-heading::before {
  width: clamp(150px, 15vw, 210px);
  height: clamp(35px, 3.5vw, 49px);
  background: url("/assets/img/design/innozinc_logo_w.png") center/contain no-repeat;
  border-radius: 0;
  margin-bottom: 20px;
}

/* ELPANG 계열 페이지: h1 위 ELPANG 화이트 워드마크 (원본 663x87 비율) */
.sub-hero.elpang h1::before,
.sub-hero.elpang .section-heading::before {
  width: clamp(170px, 16vw, 240px);
  height: clamp(22px, 2.1vw, 31px);
  background: url("/assets/img/logos/elpang_w.png") left center/contain no-repeat;
  border-radius: 0;
  margin-bottom: 20px;
}

/* 메뉴 그룹별 배너 배경 (오버레이는 --hero-overlay 변수 한 곳에서 관리)
   - company : sub 컷 중 유일한 고해상(1360px) 기어 매크로 — 풀블리드 cover (엔지니어링 신뢰감)
   - innozinc: 브랜드 사진(main_bg_2) 유지
   - solution/market/service/contact: 원본 553px 스튜디오 컷 — cover 업스케일 흐림 방지를 위해
     다크 그라디언트(--hero-fade) 위에 사진을 우측에만 원본비율(auto 100%)로 배치 */
.sub-hero.company  {
  background-image: var(--hero-overlay), url("/assets/img/sub/sub_4_3_1_7.png");
  background-position: center, center 30%; /* 기어가 상단 2/3에 몰려 있어 위쪽 크롭 우선 */
}
.sub-hero.innozinc, .sub-hero.elpang { background-image: var(--hero-overlay), url("/assets/img/design/main_bg_2_v20260903.webp"); }
/* 풀블리드 2레이어 그룹: 스틸 컬러 위 luminosity 블렌드 (오버레이 레이어는 normal) */
.sub-hero.company, .sub-hero.innozinc, .sub-hero.elpang {
  background-color: var(--n-950);
  background-blend-mode: normal, luminosity;
}

/* 우측 사진 3레이어 그룹 (오버레이 / 페이드 / 사진) */
.sub-hero.solution { background-image: var(--hero-overlay), var(--hero-fade), url("/assets/img/sub/sub_4_3_2_0.png");  } /* 아연 결정 표면 질감 매크로 */
.sub-hero.market   { background-image: var(--hero-overlay), var(--hero-fade), url("/assets/img/sub/sub_4_3_2_4.png");  } /* 다양한 볼트·너트 무더기 */
.sub-hero.service  { background-image: var(--hero-overlay), var(--hero-fade), url("/assets/img/sub/sub_4_3_3_4.png");  } /* 정밀 가공 브레이크 디스크 */
.sub-hero.contact  { background-image: var(--hero-overlay), var(--hero-fade), url("/assets/img/sub/sub_4_3_5_11.png"); } /* 차분한 익스팬디드 메탈 */
.sub-hero.solution, .sub-hero.market, .sub-hero.service, .sub-hero.contact {
  background-color: var(--n-950);
  background-size: cover, cover, auto 100%;          /* 사진은 히어로 높이에 맞춰 원본비율 유지 */
  background-position: center, center, right center; /* 사진은 우측 정렬 (히어로 340~480px 기준 우측 ~40%) */
  background-repeat: no-repeat;
  background-blend-mode: normal, normal, luminosity; /* 사진 레이어만 스틸 그레이딩 */
}

/* ---------- 본문 컨테이너 (여백은 --sp 토큰 리듬) ---------- */
.sub-content { max-width: 1200px; margin: 0 auto; padding: var(--sp-xl) clamp(20px, 4vw, 28px) var(--sp-2xl); }
.sub-content section + section { margin-top: var(--sp-xl); }

.sub-content h2, .band-dark h2 {
  font-size: clamp(23px, 1.1vw + 18px, 34px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 880px;
  color: var(--dark);
}
.sub-content h3, .band-dark h3 { font-size: clamp(18px, 0.4vw + 15px, 20px); font-weight: 700; margin-bottom: 14px; color: var(--dark); }
.sub-content p.lead, .band-dark p.lead {
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: -0.012em;
  max-width: 800px; /* measure 교정: 전폭 흐름 방지 */
  color: var(--n-600);
  margin-top: 20px;
}
.sub-content p, .band-dark p { line-height: 1.8; color: var(--n-600); }

/* 섹션 라벨(골드 포인트): 작게+넓은 자간+골드 대시 */
.sub-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gold-700);
  letter-spacing: .04em; /* 모노는 0~.04em */
  text-transform: uppercase;
  margin-bottom: 14px;
}
.sub-label::before {
  content: '';
  width: 26px; height: 2px;
  background: var(--gold-500);
  flex: none;
}

/* 좌우 2단 (텍스트+이미지) */
.split { display: flex; gap: 60px; align-items: center; }
.split > div { flex: 1; }
.split img { border-radius: 10px; width: 100%; }
.split.reverse { flex-direction: row-reverse; }

/* 카드 그리드: 흰 배경+헤어라인+레이어드 섀도, 호버 시 리프트+상단 골드 라인 드로우 */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: var(--sp-m); }
.card-grid.cols2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols4 { grid-template-columns: repeat(4, 1fr); }
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--n-100);
  border-radius: 4px; /* 지오메트리 경화 */
  padding: clamp(24px, 2.6vw, 34px) clamp(20px, 2.2vw, 28px);
  overflow: hidden;
  box-shadow: none; /* 기본 상태는 헤어라인 보더 중심 (호버 리프트는 유지) */
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--n-200);
  box-shadow: 0 2px 4px rgba(16,19,24,.04), 0 18px 34px -10px rgba(16,19,24,.14);
}
.card:hover::before { transform: scaleX(1); }
.card h3 { font-size: 17px; line-height: 1.4; }
/* 수치 문법 단일화: 숫자는 다크, 골드는 숫자 위 틱으로만 (stat-band와 동일 문법) */
.card .num { font-family: var(--font-mono); font-size: 40px; font-weight: 600; color: var(--n-950); line-height: 1; letter-spacing: 0; }
.card .num::before {
  content: '';
  display: block;
  width: 26px; height: 3px;
  background: var(--gold-500);
  border-radius: 2px;
  margin-bottom: 14px;
}
.card p { font-size: 14.5px; margin-top: 10px; }
.card img { border-radius: 8px; margin-bottom: 16px; }
/* 제품 브랜드 로고 워드마크: 제품명 h3 안에서 텍스트를 대체 (접근성 명칭은 alt로 유지) */
img.prod-logo { height: 28px; width: auto; margin-bottom: 12px; display: block; border-radius: 0; }

/* 수치 강조 밴드: 밝은 카드 톤 — 숫자는 다크, 골드는 항목 위 작은 틱으로만 */
.stat-band {
  background: var(--n-50);
  border: 1px solid var(--n-100);
  border-radius: 4px; /* 지오메트리 경화 */
  color: var(--dark);
  display: flex;
  justify-content: space-around;
  text-align: left; /* 정렬 축 좌측 전환 */
  padding: var(--sp-l) 24px;
  margin-top: var(--sp-l);
  flex-wrap: wrap;
  gap: 30px;
  box-shadow: none; /* 헤어라인 보더 중심 */
}
.stat-band > div { flex: 1 1 0; min-width: 200px; padding: 0 16px; }
.stat-band > div::before {
  content: '';
  display: block;
  width: 26px; height: 3px;
  background: var(--gold-500);
  border-radius: 2px;
  margin: 0 0 16px; /* 항목 틱 좌측 정렬 */
}
.stat-band > div + div { border-left: 1px solid var(--n-200); }
.stat-band .num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 2vw + 16px, 46px);
  font-weight: 600;
  color: var(--dark);
  line-height: 1.05;
  letter-spacing: 0; /* 모노 자간 정리 */
  font-variant-numeric: tabular-nums;
}
.stat-band .cap { font-size: 13.5px; color: var(--n-500); line-height: 1.55; max-width: 250px; margin: 10px 0 0; }

/* 표: 라운드 컨테이너+세로 셀 보더 제거+숫자 등폭, 헤더는 뉴트럴 헤어라인 마감 */
.sub-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--n-200);
  border-radius: 4px; /* 지오메트리 경화 */
  overflow: hidden;
  margin-top: var(--sp-m);
  font-size: 14.5px;
  font-variant-numeric: tabular-nums;
}
.sub-content th {
  background: var(--dark);
  color: #fff;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .04em; /* 모노는 0~.04em */
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,.25);
}
.sub-content th + th { border-left: 1px solid rgba(255,255,255,.12); }
.sub-content td {
  border: 0;
  border-bottom: 1px solid var(--n-100);
  padding: 13px 16px;
  line-height: 1.6;
  color: var(--n-600);
  text-align: center;
}
.sub-content td + td { border-left: 1px solid var(--n-50); }
.sub-content tr:last-child td { border-bottom: 0; }
.sub-content tbody td:first-child { font-weight: 700; color: var(--dark); }
.sub-content tr:nth-child(even) td { background: var(--n-50); }
.sub-content tbody tr:hover td { background: var(--gold-tint); } /* 골드 틴트 hover (지브라보다 특이도 높음) */

/* 타임라인 (회사연혁): 축은 중립색으로 낮추고 골드는 도트에 집중 (글로우 없음) */
.timeline {
  margin-top: var(--sp-l);
  border-left: 2px solid var(--n-100);
  border-image: linear-gradient(180deg, var(--n-100) 0%, var(--n-100) 78%, rgba(235,238,243,0) 100%) 1 100%;
  padding-left: 40px;
}
.timeline .year { position: relative; padding-bottom: var(--sp-l); }
.timeline .year::before {
  content: '';
  position: absolute; left: -49px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold-500);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--gold-500);
}
.timeline h3 {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--dark);
  font-variant-numeric: tabular-nums;
}
.timeline li { color: var(--n-600); line-height: 1.85; font-size: 15px; max-width: 720px; list-style: none; }

/* 인증서 그리드: 카드와 같은 리프트 문법 */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: var(--sp-m); }
.cert-grid figure { text-align: center; }
.cert-grid img {
  border: 1px solid var(--n-100);
  border-radius: 6px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 1px 3px rgba(16,19,24,.05);
  transition: transform .25s ease, box-shadow .25s ease;
}
.cert-grid figure:hover img {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px -8px rgba(16,19,24,.18);
}
.cert-grid figcaption { font-size: 13px; color: var(--n-500); margin-top: 10px; line-height: 1.5; transition: color .2s ease; }
.cert-grid figure:hover figcaption { color: var(--dark); }

/* 뉴스 목록 */
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: var(--sp-m); }
.news-list .news-card { flex: none; }

/* 뉴스 상세 */
.article-body { max-width: 800px; margin: 0 auto; }
.article-body h1 { font-size: clamp(24px, 1vw + 17px, 31px); line-height: 1.4; color: var(--dark); }
.article-body .meta { font-family: var(--font-mono); color: var(--n-400); font-size: 14px; letter-spacing: .02em; margin: 16px 0 40px; padding-bottom: 24px; border-bottom: 1px solid var(--n-100); }
.article-body p { margin-bottom: 18px; font-size: 16px; line-height: 1.85; }
.article-body img { border-radius: 8px; margin: 20px 0; }

/* 문의 폼 */
.contact-form { max-width: 720px; margin: 40px auto 0; display: grid; gap: 18px; }
.contact-form label { font-weight: 700; font-size: 14.5px; color: var(--dark); }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--n-200);
  border-radius: 8px;
  background: #fcfdfe;
  font-family: var(--font);
  font-size: 15px;
  margin-top: 6px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.contact-form input:hover, .contact-form select:hover, .contact-form textarea:hover { border-color: var(--n-300); }
/* 포커스 문법: 다크 보더 + 딥골드 소프트 링 */
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--dark);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(199,160,8,.4);
}
.contact-form ::placeholder { color: var(--n-300); }
.contact-form textarea { min-height: 160px; resize: vertical; }
.contact-form button {
  padding: 16px;
  background: var(--gold-500);
  color: var(--n-950);
  border: 0;
  border-radius: 2px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: .3s;
  box-shadow: 0 6px 16px -6px rgba(199,160,8,.45);
}
.contact-form button:hover { background: var(--dark); color: #fff; box-shadow: 0 10px 22px -8px rgba(16,19,24,.35); }
.contact-form button:focus-visible { outline: 2px solid var(--dark); outline-offset: 3px; }

/* CTA 밴드: 사이트에서 유일하게 골드를 큰 면으로 쓰는 곳 (골드 솔리드 + 다크 타이포) */
.cta-band {
  position: relative;
  background: var(--gold-500);
  border-radius: 4px;
  text-align: center; /* 사이트 유일의 의도된 중앙정렬 예외 */
  color: var(--n-950);
  padding: 70px 30px;
  margin-top: var(--sp-xl);
  box-shadow: 0 24px 48px -20px rgba(16,19,24,.25);
}
.cta-band h2 { color: var(--n-950); max-width: none; }
.cta-band p { color: rgba(16,19,24,.75); margin-top: 12px; }
.cta-band .btn-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.cta-band .btn-row .btn-pill { margin-top: 28px; }
/* 골드 면 위 버튼: 다크 보더·다크 텍스트, hover 시 다크 채움+골드 텍스트 */
.cta-band .btn-pill { border-color: var(--n-950); color: var(--n-950); }
.cta-band .btn-pill::before { background: var(--n-950); }
.cta-band .btn-pill:hover { border-color: var(--n-950); color: var(--gold-400); }
.cta-band .btn-pill.dark { border-color: var(--n-950); color: var(--n-950); }
.cta-band .btn-pill.dark:hover { color: var(--gold-400); }

/* 공통 다음 단계 CTA: 모든 대표 페이지에서 동일한 세 경로 제공 */
.cta-band.platform-cta h2 { font-size: clamp(26px, 1.5vw + 18px, 38px); }
.cta-band.platform-cta .btn-row { margin-top: 28px; }
.cta-band.platform-cta .btn-row .btn-pill { min-width: 174px; margin-top: 0; }
.cta-band.platform-cta .btn-pill.primary {
  background: var(--n-950);
  color: var(--gold-300);
}
.cta-band.platform-cta .btn-pill.primary::before { display: none; }
.cta-band.platform-cta .btn-pill.primary:hover { background: var(--n-900); color: #fff; }

/* Innozinc 도막 단면 구조 — 카탈로그의 상도층/무기피막/아연입자/모재 구성을 CSS로 재현 */
.coating-cross-section {
  margin: 24px 0 0;
  overflow: hidden;
  border: 1px solid var(--n-200);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(16,19,24,.08);
}
.coating-figure-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 25px 28px 23px;
  background: linear-gradient(110deg, #101318 0%, #1b222d 72%, #24303d 100%);
}
.coating-kicker,
.coating-source,
.insight-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
}
.coating-kicker { color: var(--gold-400); }
.coating-figure-head h4 {
  margin-top: 7px;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(20px, 1vw + 16px, 27px);
  line-height: 1.25;
}
.coating-source {
  flex: 0 0 auto;
  padding: 8px 11px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px;
  color: var(--n-300);
}
.coating-figure-grid {
  display: grid;
  grid-template-columns: 178px minmax(360px, 1fr) 224px;
  gap: 24px;
  align-items: center;
  padding: 30px 28px;
  background:
    linear-gradient(135deg, rgba(244,246,249,.85), rgba(255,255,255,.92)),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(16,19,24,.025) 40px);
}
.coating-legend {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.coating-legend li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 62px;
  padding: 10px 10px 10px 0;
  border-bottom: 1px solid var(--n-200);
}
.coating-legend li:last-child { border-bottom: 0; }
.coating-legend li > span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}
.coating-legend .topcoat > span { background: #f05a28; }
.coating-legend .ceramic > span { background: #1551d0; }
.coating-legend .zinc > span { background: #687584; }
.coating-legend .substrate > span { background: #2f3741; }
.coating-legend strong,
.coating-legend small { display: block; }
.coating-legend strong { color: var(--n-900); font-size: 14px; line-height: 1.35; }
.coating-legend small { margin-top: 3px; color: var(--n-500); font-size: 11px; line-height: 1.35; }
.coating-model {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border: 1px solid #c7ced8;
  border-radius: 14px;
  background: #1a4bc3;
  box-shadow: inset 0 0 0 5px rgba(255,255,255,.52), 0 14px 30px rgba(16,19,24,.12);
  isolation: isolate;
}
.layer-substrate,
.layer-zinc,
.layer-ceramic,
.layer-topcoat { position: absolute; left: 0; width: 100%; }
.layer-substrate {
  z-index: 1;
  right: 0;
  bottom: 0;
  height: 39%;
  background:
    linear-gradient(115deg, transparent 0 22%, rgba(255,255,255,.12) 23% 25%, transparent 26% 49%, rgba(14,19,25,.18) 50% 53%, transparent 54% 100%),
    repeating-linear-gradient(12deg, #606a75 0 4px, #505a66 4px 7px, #737d88 7px 9px);
  border-top: 3px solid #27313c;
}
.layer-substrate span {
  position: absolute;
  right: 16px;
  bottom: 14px;
  padding: 5px 8px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 4px;
  color: rgba(255,255,255,.8);
  background: rgba(16,19,24,.34);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .08em;
}
.layer-zinc {
  z-index: 2;
  top: 26%;
  bottom: 37%;
  background-color: #174fc8;
  background-image:
    radial-gradient(circle at 12px 12px, #fff 0 5px, #dfe4ea 6px, #939eaa 9px, #3d4753 11px, transparent 12px),
    radial-gradient(circle at 34px 32px, #fff 0 5px, #dfe4ea 6px, #939eaa 9px, #3d4753 11px, transparent 12px);
  background-size: 44px 40px;
  box-shadow: inset 0 -5px 0 rgba(9,47,142,.8);
}
.layer-ceramic,
.layer-topcoat {
  top: 0;
}
.layer-ceramic::after,
.layer-topcoat::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -23px;
  left: 0;
  height: 24px;
}
.layer-ceramic {
  z-index: 3;
  height: 30%;
  background: #104bc9;
}
.layer-ceramic::after {
  background: radial-gradient(ellipse at 50% 0, #104bc9 0 69%, transparent 71%) 0 0 / 52px 24px repeat-x;
}
.layer-topcoat {
  z-index: 4;
  height: 26%;
  background:
    linear-gradient(180deg, rgba(255,255,255,.18), transparent 32%),
    linear-gradient(110deg, #f36b2d, #ed3f20 72%, #d92d19);
  box-shadow: inset 0 -1px 0 rgba(135,32,15,.45);
}
.layer-topcoat::after {
  background: radial-gradient(ellipse at 50% 0, #e94420 0 69%, transparent 71%) 0 0 / 52px 24px repeat-x;
}
.coating-zoom {
  position: absolute;
  z-index: 7;
  top: 37%;
  right: 16px;
  width: 104px;
  aspect-ratio: 1;
  overflow: hidden;
  border: 4px solid #fff;
  border-radius: 50%;
  background-color: #174fc8;
  background-image:
    radial-gradient(circle at 15px 16px, #fff 0 7px, #cfd7df 8px, #818e9d 12px, #35414e 14px, transparent 15px),
    radial-gradient(circle at 47px 46px, #fff 0 7px, #cfd7df 8px, #818e9d 12px, #35414e 14px, transparent 15px);
  background-size: 64px 60px;
  box-shadow: 0 0 0 3px #1651d0, 0 12px 24px rgba(16,19,24,.25);
}
.coating-zoom span {
  position: absolute;
  inset: 0 0 auto 0;
  height: 36%;
  background: linear-gradient(110deg, #f36b2d, #e73a1d);
}
.coating-zoom span::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -12px;
  left: 0;
  height: 13px;
  background: radial-gradient(ellipse at 50% 0, #e94420 0 69%, transparent 71%) 0 0 / 30px 13px repeat-x;
}
.coating-insight {
  padding: 22px 20px;
  border: 1px solid rgba(21,81,208,.18);
  border-radius: 12px;
  background: linear-gradient(145deg, #f4f7ff, #fff);
}
.insight-label { color: #1551d0; }
.coating-insight h5 {
  margin-top: 9px;
  color: var(--n-950);
  font-size: 21px;
  line-height: 1.3;
}
.coating-insight p {
  margin-top: 11px;
  color: var(--n-600);
  font-size: 13px;
  line-height: 1.65;
}
.coating-insight > strong {
  display: block;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(21,81,208,.18);
  color: #153a8d;
  font-size: 12px;
  line-height: 1.55;
}
.coating-cross-section figcaption {
  padding: 15px 28px 17px;
  border-top: 1px solid var(--n-100);
  color: var(--n-500);
  background: #fff;
  font-size: 12.5px;
  line-height: 1.65;
}

@media (max-width: 1040px) {
  .coating-figure-grid { grid-template-columns: minmax(0, 1fr) 218px; }
  .coating-legend {
    grid-column: 1 / -1;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .coating-legend li { border-bottom: 0; }
}

@media (max-width: 720px) {
  .coating-figure-head { align-items: flex-start; padding: 22px 20px; }
  .coating-source { display: none; }
  .coating-figure-grid { grid-template-columns: 1fr; padding: 20px; }
  .coating-legend { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .coating-legend li { min-height: 54px; padding: 7px 4px 7px 0; }
  .coating-model { min-height: 292px; }
  .coating-insight { display: grid; grid-template-columns: 1fr; }
  .coating-cross-section figcaption { padding: 14px 20px 16px; }
}

@media (max-width: 420px) {
  .coating-figure-grid { padding: 16px; gap: 18px; }
  .coating-legend { gap: 4px 12px; }
  .coating-legend strong { font-size: 13px; }
  .coating-legend small { font-size: 10.5px; }
  .coating-model { min-height: 258px; }
  .coating-zoom { width: 80px; right: 12px; border-width: 3px; }
}

/* Innozinc 도막 단면 구조 — 카탈로그 기반 상도장 단면 시안 */
.coating-cross-section {
  scroll-margin-top: calc(var(--header-h) + 18px);
  border-radius: 4px;
  box-shadow: 0 22px 56px rgba(16,19,24,.09);
}
.coating-figure-head {
  align-items: center;
  min-height: 62px;
  padding: 18px 24px;
  background: var(--n-950);
}
.coating-source {
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--n-300);
}
.coating-figure-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 244px;
  gap: 0;
  align-items: stretch;
  padding: 0;
  background: var(--n-50);
}
.coating-visual {
  min-width: 0;
  padding: clamp(22px, 3vw, 34px);
  background: var(--n-50);
}
.coating-visual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.coating-visual-head strong {
  color: var(--n-950);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .04em;
}
.coating-visual-head span {
  color: #1551d0;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .07em;
}
.coating-model {
  min-height: 330px;
  overflow: hidden;
  border: 1px solid var(--n-200);
  border-radius: 3px;
  background: #1f58c7;
  box-shadow: 0 14px 28px rgba(16,19,24,.16);
}
.layer-substrate {
  height: 34%;
  border-top: 3px solid var(--n-950);
  background:
    linear-gradient(115deg, transparent 0 22%, rgba(255,255,255,.12) 23% 25%, transparent 26% 49%, rgba(14,19,25,.18) 50% 53%, transparent 54% 100%),
    repeating-linear-gradient(12deg, #67727e 0 4px, #4e5965 4px 7px, #77828d 7px 9px);
}
.layer-zinc {
  top: 30%;
  bottom: 32%;
  background-color: #1f58c7;
  background-image:
    radial-gradient(circle at 12px 12px, #fff 0 5px, #e5e9ee 6px, #9aa5b1 9px, #3d4753 11px, transparent 12px),
    radial-gradient(circle at 34px 32px, #fff 0 5px, #e5e9ee 6px, #9aa5b1 9px, #3d4753 11px, transparent 12px);
  background-size: 44px 40px;
  box-shadow: inset 0 -4px 0 rgba(12,45,115,.72);
}
.layer-ceramic {
  height: 33%;
  background: #1f58c7;
}
.layer-ceramic::after {
  background: radial-gradient(ellipse at 50% 0, #1f58c7 0 69%, transparent 71%) 0 0 / 52px 24px repeat-x;
}
.layer-topcoat {
  height: 29%;
  background:
    linear-gradient(180deg, rgba(255,255,255,.13), transparent 36%),
    linear-gradient(115deg, #4a5361 0%, #303741 58%, #20262d 100%);
  box-shadow: inset 0 -1px 0 rgba(0,0,0,.38);
}
.layer-topcoat::after {
  background: radial-gradient(ellipse at 50% 0, #2c333c 0 69%, transparent 71%) 0 0 / 52px 24px repeat-x;
}
.coating-model::before {
  content: "";
  position: absolute;
  z-index: 8;
  top: 47%;
  right: 186px;
  width: 17px;
  height: 17px;
  border: 3px solid var(--gold-400);
  border-radius: 50%;
  background: rgba(255,255,255,.18);
}
.coating-model::after {
  content: "";
  position: absolute;
  z-index: 7;
  top: 39%;
  right: 92px;
  width: 104px;
  height: 2px;
  background: var(--gold-400);
  transform: rotate(-24deg);
  transform-origin: right center;
}
.coating-zoom {
  top: 10%;
  right: 17px;
  width: 118px;
  border: 4px solid #fff;
  background-color: #1f58c7;
  background-image:
    radial-gradient(circle at 15px 16px, #fff 0 7px, #e1e6eb 8px, #8894a1 12px, #35414e 14px, transparent 15px),
    radial-gradient(circle at 47px 46px, #fff 0 7px, #e1e6eb 8px, #8894a1 12px, #35414e 14px, transparent 15px);
  background-size: 64px 60px;
  box-shadow: 0 0 0 3px #1f58c7, 0 12px 24px rgba(16,19,24,.24);
}
.coating-zoom span {
  height: 38%;
  background: linear-gradient(115deg, #4a5361, #252b33 70%);
}
.coating-zoom span::after {
  background: radial-gradient(ellipse at 50% 0, #2c333c 0 69%, transparent 71%) 0 0 / 30px 13px repeat-x;
}
.coating-zoom-label {
  position: absolute;
  z-index: 9;
  top: 14px;
  right: 15px;
  padding: 6px 8px;
  color: #fff;
  background: #1551d0;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .06em;
}
.coating-legend {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 18px;
}
.coating-legend li {
  display: block;
  min-height: 0;
  padding: 0 14px;
  border-bottom: 0;
  border-left: 1px solid var(--n-200);
}
.coating-legend li:first-child { padding-left: 0; border-left: 0; }
.coating-legend li > span {
  display: block;
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent !important;
  color: var(--gold-700);
  font-size: 10px;
  text-align: left;
}
.coating-legend .ceramic > span,
.coating-legend .ceramic strong { color: #1551d0; }
.coating-legend strong { margin-top: 5px; font-size: 12px; }
.coating-legend small { margin-top: 3px; font-size: 10px; }
.coating-insight {
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3vw, 38px) clamp(22px, 3vw, 32px);
  border: 0;
  border-left: 1px solid var(--n-200);
  border-radius: 0;
  background: #fff;
}
.insight-label { color: #1551d0; }
.coating-insight h5 {
  margin-top: 10px;
  font-size: clamp(21px, 2vw, 28px);
  line-height: 1.32;
}
.coating-insight p { margin-top: 18px; font-size: 12.5px; line-height: 1.72; }
.coating-insight > strong {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--n-200);
  color: var(--n-950);
}

@media (max-width: 900px) {
  .coating-figure-grid { grid-template-columns: 1fr; }
  .coating-insight {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(190px, .68fr);
    gap: 24px;
    border-top: 1px solid var(--n-200);
    border-left: 0;
  }
  .coating-insight p { grid-column: 1; }
  .coating-insight > strong {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
    padding: 0 0 0 22px;
    border-top: 0;
    border-left: 1px solid var(--n-200);
  }
}

@media (max-width: 720px) {
  .coating-figure-head { padding: 18px 20px; }
  .coating-visual { padding: 20px; }
  .coating-visual-head span { display: none; }
  .coating-model { min-height: 292px; }
  .coating-legend { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 0; }
  .coating-legend li:nth-child(3) { padding-left: 0; border-left: 0; }
  .coating-insight { display: block; }
  .coating-insight > strong {
    margin-top: 22px;
    padding: 20px 0 0;
    border-top: 1px solid var(--n-200);
    border-left: 0;
  }
}

@media (max-width: 420px) {
  .coating-visual { padding: 16px; }
  .coating-model { min-height: 250px; }
  .coating-zoom { top: 12%; right: 12px; width: 78px; border-width: 3px; }
  .coating-zoom-label { top: 9px; right: 9px; padding: 4px 5px; font-size: 8px; }
  .coating-model::before { right: 126px; width: 13px; height: 13px; border-width: 2px; }
  .coating-model::after { right: 67px; width: 66px; }
}

/* ---------- 풀블리드 다크 밴드: 라이트 본문의 단조로움을 끊는 .sub-content 형제 컴포넌트
   (마크업: .sub-content 분할 → <div class="band-dark"><div class="band-inner"><section>…</section></div></div>) ---------- */
.band-dark { background: var(--n-950); color: #fff; padding: var(--sp-xl) 0; }
.band-dark .band-inner { max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 28px); }
.band-dark section + section { margin-top: var(--sp-xl); }
/* 다크 배경 텍스트 색 보정 (타이포 크기·리듬은 위 .sub-content 그룹 셀렉터 공유) */
.band-dark h2, .band-dark h3 { color: #fff; }
.band-dark p, .band-dark p.lead { color: var(--n-300); }
.band-dark .sub-label { color: var(--gold-400); }
.band-dark .sub-label::before { background: var(--gold-400); }
/* stat-band 다크 변형: 밝은 카드 → 유리판 톤 (골드 틱 문법은 그대로) */
.band-dark .stat-band { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.1); color: #fff; }
.band-dark .stat-band > div + div { border-color: rgba(255,255,255,.12); } /* 모바일 border-top 색까지 커버 */
.band-dark .stat-band .num { color: #fff; }
.band-dark .stat-band .cap { color: var(--n-300); }

/* ---------- 반응형 (h1·h2·여백 크기는 clamp 토큰 하한이 담당) ---------- */
@media (max-width: 960px) {
  .sub-hero { height: clamp(240px, 36vw, 300px); }
  .split, .split.reverse { flex-direction: column; gap: 28px; }
  .card-grid, .card-grid.cols4 { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .news-list { grid-template-columns: 1fr; }
  .stat-band { flex-direction: column; gap: 26px; }
  .stat-band > div + div { border-left: 0; border-top: 1px solid var(--n-200); padding-top: 26px; }
}
@media (max-width: 560px) {
  .card-grid, .card-grid.cols4 { grid-template-columns: 1fr; }
  .sub-hero.standardized { height: auto; min-height: 310px; padding-top: calc(var(--header-h) + 46px); padding-bottom: 42px; }
  .cta-band.platform-cta { padding: 52px 22px; }
  .cta-band.platform-cta .btn-row { display: grid; grid-template-columns: 1fr; }
  .cta-band.platform-cta .btn-row .btn-pill { width: 100%; min-width: 0; margin: 0; }
}

/* ---------- 스크롤 리빌 상태 (sub.js가 .rv 부여 — JS 미동작 시 항상 표시) ---------- */
.rv {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s cubic-bezier(.22,.61,.36,1), transform .65s cubic-bezier(.22,.61,.36,1);
}
.rv.rv-in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
}