/* 태경정밀 홈페이지 공통 스타일
   색은 전자명함(../전자명함/site/index.html)과 같은 값. PC 우선, 900px 아래에서 한 줄로 접힌다. */
:root {
  --ink: #170c0f;        /* 가장 어두운 자주 — 첫 화면·바닥글 */
  --wine: #4e1720;       /* 자주 — 강조 면 */
  --wine-2: #2a1216;     /* 어두운 카드 */
  --copper: #d4823a;     /* TK 로고 구리빛 */
  --copper-hi: #f1b46e;
  --copper-dk: #a45424;  /* 밝은 바탕 위 구리색 글자 */
  --paper: #f8f5f0;      /* 밝은 바탕 */
  --paper-2: #efe8e1;
  --text: #241a1c;
  --muted: #6e625c;
  --line: #ddd0c6;
  --on-dark: #f6ede7;
  --on-dark-muted: #bba59e;
  --line-dark: #3d2227;

  --f-body: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  --f-mono: ui-monospace, Consolas, monospace;

  --max: 1200px;
  --gutter: 32px;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ── 머리말(메뉴) ─────────────────────── */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: var(--header-h);
  color: var(--on-dark);
  transition: background .25s, box-shadow .25s;
}
.site-header.is-solid, .site-header.is-open { background: var(--ink); box-shadow: 0 1px 0 var(--line-dark); }
.site-header .wrap { height: 100%; display: flex; align-items: center; gap: 40px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: none; }
.brand img { width: 40px; height: 40px; }
.brand strong { font-size: 20px; font-weight: 800; letter-spacing: .02em; }
.brand small { display: block; font-size: 11px; font-weight: 600; letter-spacing: .22em; color: var(--copper-hi); line-height: 1; }
.nav { display: flex; gap: 32px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 16px; font-weight: 600; opacity: .88; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { opacity: 1; border-color: var(--copper); }
.lang { font: 600 13px var(--f-body); color: var(--on-dark-muted); border: 1px solid var(--line-dark); border-radius: 4px; padding: 2px 8px; cursor: not-allowed; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: 6px;
  font: 700 16px var(--f-body); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .2s, color .2s;
}
.btn-copper { background: var(--copper); color: #fff; }
.btn-copper:hover { background: var(--copper-dk); }
.btn-ghost { border-color: rgba(246,237,231,.5); color: var(--on-dark); }
.btn-ghost:hover { background: rgba(246,237,231,.1); }
.btn-line { border-color: var(--copper-dk); color: var(--copper-dk); }
.btn-line:hover { background: var(--copper-dk); color: #fff; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; color: inherit; font: 700 15px var(--f-body); cursor: pointer; }

/* ── 첫 화면 ─────────────────────────── */
.hero {
  position: relative; min-height: min(100vh, 860px);
  display: flex; align-items: flex-end;
  background: var(--ink) url("../assets/img/hero-poster.jpg") center / cover no-repeat;
  color: var(--on-dark); overflow: hidden;
}
.hero video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { /* 글자가 읽히도록 왼쪽·아래를 어둡게 */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(23,12,15,.92) 0%, rgba(23,12,15,.62) 45%, rgba(23,12,15,.2) 100%),
              linear-gradient(0deg, rgba(23,12,15,.85) 0%, transparent 40%);
}
.hero .wrap { position: relative; z-index: 1; width: 100%; padding-bottom: 96px; padding-top: calc(var(--header-h) + 64px); }
.eyebrow { font-size: 14px; font-weight: 700; letter-spacing: .18em; color: var(--copper-hi); text-transform: uppercase; }
.hero h1 { margin-top: 18px; font-size: clamp(44px, 5.6vw, 76px); line-height: 1.18; font-weight: 800; letter-spacing: -.01em; }
.hero h1 em { font-style: normal; color: var(--copper-hi); }
.hero .lede { margin-top: 22px; max-width: 620px; font-size: 20px; color: var(--on-dark); opacity: .9; }
.hero-facts { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; font-size: 15px; }
.hero-facts span { border: 1px solid rgba(246,237,231,.35); border-radius: 999px; padding: 4px 14px; }
.hero-actions { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ── 숫자 띠 ─────────────────────────── */
.stats { background: var(--wine); color: var(--on-dark); }
.stats ul { list-style: none; margin: 0; padding: 40px 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.stats li { padding: 0 28px; border-left: 1px solid rgba(246,237,231,.18); }
.stats li:first-child { border-left: 0; padding-left: 0; }
.stats b { display: block; font-size: 44px; font-weight: 800; line-height: 1.1; color: var(--copper-hi); font-variant-numeric: tabular-nums; }
.stats b small { font-size: 20px; margin-left: 4px; color: var(--on-dark); }
.stats span { font-size: 15px; color: var(--on-dark-muted); }

/* ── 공통 섹션 ───────────────────────── */
.section { padding: 112px 0; }
.section.alt { background: var(--paper-2); }
.section.dark { background: var(--ink); color: var(--on-dark); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 48px; }
.sec-head h2 { margin-top: 10px; font-size: 40px; line-height: 1.3; font-weight: 800; }
.sec-head p { max-width: 520px; color: var(--muted); }
.dark .sec-head p { color: var(--on-dark-muted); }
.more { font-weight: 700; color: var(--copper-dk); text-decoration: none; white-space: nowrap; }
.more::after { content: " →"; }
.dark .more { color: var(--copper-hi); }

/* ── 사업분야 ───────────────────────── */
.biz-grid { display: grid; grid-template-columns: 1.5fr 1fr; grid-template-rows: 1fr 1fr; gap: 20px; }
.biz-card { position: relative; border-radius: 10px; overflow: hidden; min-height: 260px; background: var(--ink); color: var(--on-dark); text-decoration: none; display: flex; align-items: flex-end; }
.biz-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .8; transition: transform .5s, opacity .3s; }
.biz-card:hover img { transform: scale(1.04); opacity: .7; }
.biz-card .txt { position: relative; padding: 28px; background: linear-gradient(0deg, rgba(23,12,15,.9), transparent); width: 100%; }
.biz-card h3 { font-size: 24px; font-weight: 800; }
.biz-card p { margin-top: 6px; font-size: 15px; color: var(--on-dark-muted); }
.svc-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.svc-grid li { background: var(--paper-2); border-top: 3px solid var(--copper); border-radius: 8px; padding: 24px; }
.svc-grid h3 { font-size: 19px; font-weight: 800; }
.svc-grid h3 small { display: block; margin-top: 2px; font-size: 13px; font-weight: 600; color: var(--copper-dk); }
.svc-grid p { margin-top: 10px; font-size: 15px; color: var(--muted); }
@media (max-width: 860px) { .svc-grid { grid-template-columns: 1fr; } }
.biz-card.main { grid-row: span 2; min-height: 540px; }
/* 방산 카드: 여러 제품이 보이게 3×2 모자이크 */
/* 방산 카드: 위는 제품 6장 모자이크(가리지 않음), 아래는 글 띠 */
.biz-card.main { flex-direction: column; align-items: stretch; }
.mosaic { flex: none; height: 540px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 3px; background: var(--ink); }
.biz-card .mosaic img { position: static; opacity: 1; min-height: 0; }
.biz-card:hover .mosaic img { transform: none; opacity: .85; }
.biz-card.main .txt { background: var(--ink); }
.biz-card.main h3 { font-size: 34px; }
.biz-card.main p { font-size: 17px; color: var(--on-dark); }
.tag { display: inline-block; margin-bottom: 12px; font-size: 13px; font-weight: 700; letter-spacing: .08em; color: #fff; background: var(--copper); border-radius: 4px; padding: 2px 10px; }

.expand { margin-top: 20px; border: 1px solid var(--copper-dk); border-radius: 10px; padding: 32px 36px; display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: center; background: var(--paper); }
.expand h3 { font-size: 24px; font-weight: 800; }
.expand h3 small { display: block; font-size: 14px; letter-spacing: .12em; color: var(--copper-dk); margin-bottom: 6px; }
.expand p { color: var(--muted); font-size: 15px; margin-top: 8px; }
.expand ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.expand li { border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; font-weight: 600; font-size: 16px; background: #fff; }

/* ── 설비 미리보기 ──────────────────── */
.fac { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.fac-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fac-photos img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 8px; }
.fac-photos img:first-child { grid-column: span 2; aspect-ratio: 16/8; }
.equip-table { width: 100%; border-collapse: collapse; font-size: 16px; }
.equip-table th { text-align: left; font-size: 13px; letter-spacing: .06em; color: var(--on-dark-muted); font-weight: 600; padding: 0 0 10px; border-bottom: 1px solid var(--line-dark); }
.equip-table td { padding: 14px 0; border-bottom: 1px solid var(--line-dark); }
.equip-table td:last-child, .equip-table th:last-child { text-align: right; }
.equip-table .qty { font: 700 18px var(--f-mono); color: var(--copper-hi); }
.equip-table .maker { color: var(--on-dark-muted); font-size: 14px; }
.fac-note { margin-top: 20px; font-size: 15px; color: var(--on-dark-muted); }

/* ── 품질·인증·고객사 ───────────────── */
.trust { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.trust h3 { font-size: 22px; font-weight: 800; margin-bottom: 20px; }
.certs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px; text-align: center; }
.cert img { height: 88px; margin: 0 auto 14px; object-fit: contain; }
.cert b { display: block; font-size: 18px; }
.cert span { font-size: 14px; color: var(--muted); }
.cert-scope { margin-top: 14px; font-size: 14px; color: var(--muted); }
.customers { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.customers li { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 14px 18px; font-weight: 600; }
.defense-note { margin-top: 16px; padding: 16px 18px; border-left: 4px solid var(--copper); background: #fff; font-size: 15px; }

/* ── 홍보영상 ───────────────────────── */
.film { max-width: 1000px; margin: 0 auto; border-radius: 10px; overflow: hidden; background: #000; aspect-ratio: 16/9; }
.film video { width: 100%; height: 100%; }

/* ── 문의 유도 ──────────────────────── */
.cta { background: linear-gradient(110deg, var(--wine), var(--ink)); color: var(--on-dark); padding: 88px 0; }
.cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta h2 { font-size: 36px; font-weight: 800; line-height: 1.35; }
.cta p { margin-top: 10px; color: var(--on-dark-muted); }
.cta .actions { display: flex; gap: 12px; flex: none; }

/* ── 바닥글 ─────────────────────────── */
.site-footer { background: var(--ink); color: var(--on-dark-muted); font-size: 15px; padding: 56px 0 40px; border-top: 1px solid var(--line-dark); }
.site-footer .wrap { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.site-footer .brand { color: var(--on-dark); }
.site-footer dl { margin: 0; display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 6px 18px; }
.site-footer dt { color: var(--on-dark); font-weight: 600; }
.site-footer dd { margin: 0; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--copper-hi); }
.copy { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid var(--line-dark); font-size: 13px; }

/* ── 하위 페이지 머리 ───────────────── */
.page-head { background: var(--ink); color: var(--on-dark); padding: calc(var(--header-h) + 72px) 0 64px; }
.page-head h1 { margin-top: 10px; font-size: 48px; font-weight: 800; }
.page-head p:last-child { margin-top: 12px; color: var(--on-dark-muted); max-width: 640px; }

/* ── 설비·품질 페이지 ───────────────── */
.equip-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.equip-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.equip-card figure { margin: 0; position: relative; aspect-ratio: 4/3; background: #fff; border-bottom: 1px solid var(--line); }
.equip-card figure img { width: 100%; height: 100%; object-fit: cover; }
.equip-card figure img[src*="official"], .equip-card figure img[src*="catalog"], .equip-card figure img[src*="product"] { object-fit: contain; padding: 12px; }
.equip-card figcaption { position: absolute; left: 10px; bottom: 10px; font-size: 12px; background: rgba(255,255,255,.92); border-radius: 4px; padding: 2px 8px; color: var(--muted); }
.equip-card figcaption a { text-decoration: none; }
.equip-card .body { padding: 22px 24px 26px; }
.equip-card .kind { font-size: 14px; font-weight: 700; color: var(--copper-dk); }
.equip-card h3 { margin-top: 4px; font-size: 24px; font-weight: 800; }
.equip-card h3 small { display: block; font-size: 14px; font-weight: 600; color: var(--muted); letter-spacing: .04em; }
.equip-card dl { margin: 16px 0 0; display: grid; gap: 6px; font-size: 15px; }
.equip-card dl div { display: grid; grid-template-columns: 96px 1fr; }
.equip-card dt { color: var(--muted); }
.equip-card dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.equip-card .qty { position: absolute; top: 12px; right: 12px; background: var(--wine); color: #fff; border-radius: 6px; padding: 4px 12px; font-size: 20px; }
.equip-card .qty small { font-size: 13px; margin-left: 2px; }

.table-scroll { overflow-x: auto; }
.spec-table { width: 100%; min-width: 820px; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; font-size: 16px; }
.spec-table th { background: var(--wine); color: #fff; text-align: left; padding: 14px 16px; font-size: 14px; font-weight: 600; white-space: nowrap; }
.spec-table td { padding: 16px; border-bottom: 1px solid var(--line); white-space: nowrap; font-variant-numeric: tabular-nums; }
.spec-table td:nth-child(7) { color: var(--copper-dk); font-weight: 800; }
.table-note { margin-top: 12px; font-size: 14px; color: var(--muted); }

.measure-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.measure-photo { margin: 0; position: relative; }
.measure-photo img { border-radius: 10px; width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.measure-photo figcaption { position: absolute; left: 12px; bottom: 12px; font-size: 13px; background: rgba(23,12,15,.8); padding: 2px 10px; border-radius: 4px; }
.measure-list { list-style: none; margin: 0; padding: 0; }
.measure-list li { padding: 20px 0; border-bottom: 1px solid var(--line-dark); }
.measure-list b { display: block; font-size: 19px; }
.measure-list span { font-size: 15px; color: var(--on-dark-muted); }

.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; counter-reset: none; }
.flow li { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px 20px; }
.flow li:not(:last-child)::after { content: "→"; position: absolute; right: -12px; top: 50%; transform: translate(50%, -50%); color: var(--copper-dk); font-weight: 800; z-index: 1; }
.flow b { font: 800 14px var(--f-mono); color: var(--copper-dk); }
.flow h3 { margin-top: 6px; font-size: 19px; font-weight: 800; }
.flow p { margin-top: 6px; font-size: 14px; color: var(--muted); }

/* ── 사업분야 페이지 ───────────────── */
.jump { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.jump a { text-decoration: none; font-size: 15px; font-weight: 600; border: 1px solid var(--line-dark); border-radius: 999px; padding: 6px 16px; color: var(--on-dark); }
.jump a:hover { border-color: var(--copper); color: var(--copper-hi); }
.biz-detail .wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.biz-detail.reverse .biz-text { order: 2; }
.biz-text h2 { margin-top: 8px; font-size: 38px; font-weight: 800; line-height: 1.3; }
.biz-text p:not(.eyebrow) { margin-top: 16px; color: #3d3133; }
.biz-text .tag { margin-bottom: 4px; }
.points { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.points li { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; font-weight: 700; font-size: 15px; }
.points li::before { content: "✓ "; color: var(--copper-dk); }
.biz-gallery { display: grid; gap: 6px; border-radius: 10px; overflow: hidden; position: sticky; top: calc(var(--header-h) + 24px); }
.biz-gallery img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1; }
.biz-gallery.g9 { grid-template-columns: repeat(3, 1fr); }
.biz-gallery.g4 { grid-template-columns: repeat(2, 1fr); }
.biz-gallery.g2 { grid-template-columns: 1fr; }
.biz-gallery.g2 img { aspect-ratio: 16/10; }
.expand-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.expand-grid li { border: 1px solid var(--line-dark); border-radius: 10px; padding: 26px; background: var(--wine-2); }
.expand-grid h3 { font-size: 21px; font-weight: 800; color: var(--copper-hi); }
.expand-grid p { margin-top: 8px; font-size: 15px; color: var(--on-dark-muted); }

/* ── 회사소개 페이지 ───────────────── */
.greeting { display: grid; grid-template-columns: 380px 1fr; gap: 72px; align-items: start; }
.ceo-photo { margin: 0; position: sticky; top: calc(var(--header-h) + 24px); }
.ceo-photo img { width: 100%; aspect-ratio: 6/7; object-fit: cover; border-radius: 10px; }
.greeting h2 { margin-top: 10px; font-size: 38px; font-weight: 800; line-height: 1.35; }
.greeting-body { margin-top: 28px; }
.greeting-body p { margin-top: 14px; font-size: 18px; color: #3d3133; }
.sign { margin-top: 32px; font-size: 17px; color: var(--muted); }
.sign b { margin-left: 8px; font-size: 26px; color: var(--text); letter-spacing: .1em; }
.values { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.values li { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 32px; }
.values b { font: 800 15px var(--f-mono); color: var(--copper-dk); }
.values h3 { margin-top: 8px; font-size: 28px; font-weight: 800; }
.values p { margin-top: 10px; color: var(--muted); }
.overview { width: 100%; border-collapse: collapse; border-top: 2px solid var(--text); font-size: 17px; }
.overview th { width: 180px; text-align: left; padding: 18px 20px; background: var(--paper-2); font-weight: 700; border-bottom: 1px solid var(--line); vertical-align: top; }
.overview td { padding: 18px 20px; border-bottom: 1px solid var(--line); }
.overview a { color: var(--copper-dk); font-weight: 700; }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line-dark); margin-left: 60px; }
.timeline li { position: relative; display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: 0 0 48px 40px; }
.timeline li::before { content: ""; position: absolute; left: -8px; top: 10px; width: 14px; height: 14px; border-radius: 50%; background: var(--copper); }
.timeline li.future::before { background: var(--ink); border: 2px dashed var(--copper-hi); }
.timeline .year { font-size: 40px; font-weight: 800; line-height: 1; color: var(--copper-hi); }
.timeline h3 { font-size: 21px; font-weight: 800; }
.timeline h3 small { font-size: 13px; font-weight: 700; color: var(--ink); background: var(--copper-hi); border-radius: 4px; padding: 1px 8px; margin-left: 6px; vertical-align: middle; }
.timeline p { margin-top: 4px; color: var(--on-dark-muted); }

/* ── 견적 문의 페이지 ───────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 360px; gap: 48px; align-items: start; }
.quote-form fieldset { border: 0; margin: 0 0 32px; padding: 0; }
.quote-form legend { font-size: 20px; font-weight: 800; margin-bottom: 14px; }
.quote-form legend small { font-size: 14px; font-weight: 500; color: var(--muted); }
.quote-form label { display: block; font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.quote-form em { color: var(--copper-dk); font-style: normal; }
.quote-form input:not([type=checkbox]):not([type=file]), .quote-form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 12px 14px; font: 400 16px var(--f-body);
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--text);
}
.quote-form input:focus, .quote-form textarea:focus { outline: 2px solid var(--copper); outline-offset: 1px; border-color: transparent; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.file-drop { position: relative; border: 2px dashed var(--line); border-radius: 10px; padding: 28px; text-align: center; background: #fff; cursor: pointer; }
.file-drop:hover { border-color: var(--copper); }
.file-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file-drop span { font-weight: 500; color: var(--muted); }
.file-drop b { display: inline-block; margin-bottom: 6px; padding: 6px 16px; border-radius: 6px; background: var(--wine); color: #fff; }
.file-list { list-style: none; margin: 10px 0 0; padding: 0; font-size: 14px; }
.file-list li { padding: 4px 0; }
.file-list[data-over="true"] li { color: #b3261e; }
.security-note { margin-top: 12px; padding: 12px 16px; border-left: 4px solid var(--copper); background: #fff; font-size: 15px; }
.privacy p { font-size: 14px; color: var(--muted); background: var(--paper-2); padding: 12px 16px; border-radius: 6px; }
.check { display: flex !important; align-items: center; gap: 8px; margin-top: 10px; }
.check input { width: 18px; height: 18px; accent-color: var(--copper-dk); }
.doc-checks { display: flex; flex-wrap: wrap; gap: 4px 28px; }
.doc-note { margin-top: 10px; font-size: 14px; color: var(--muted); }
.submit { min-width: 240px; min-height: 56px; font-size: 18px; }
.submit:disabled { opacity: .6; cursor: wait; }
.form-status { margin-top: 14px; font-weight: 600; }
.form-status[data-kind="error"] { color: #b3261e; }
.form-status[data-kind="busy"] { color: var(--muted); }
.form-done { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 48px; text-align: center; }
.form-done h2 { font-size: 28px; font-weight: 800; }
.form-done p { margin: 12px 0 24px; color: var(--muted); }
.contact-side { display: grid; gap: 16px; position: sticky; top: calc(var(--header-h) + 24px); }
.side-card { background: var(--ink); color: var(--on-dark); border-radius: 10px; padding: 28px; }
.side-card h3 { font-size: 17px; font-weight: 700; color: var(--copper-hi); }
.big-tel { display: block; margin: 8px 0 16px; font-size: 32px; font-weight: 800; text-decoration: none; }
.side-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 15px; }
.side-card dt { color: var(--on-dark-muted); }
.side-card dd { margin: 0; }
.save-contact { margin-top: 18px; }
.side-card p { margin-top: 8px; }
.side-card .map-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.side-card .btn-line { border-color: var(--copper-hi); color: var(--copper-hi); min-height: 42px; padding: 0 16px; font-size: 15px; }
.faq { display: grid; gap: 10px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 0 22px; }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 700; font-size: 17px; }
.faq p { padding: 0 0 18px; color: var(--muted); }

/* ── 실적 페이지 ───────────────────── */
.works { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.works li { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.works li[hidden] { display: none; }
.works img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.works div { padding: 16px 18px 20px; }
.works span { font-size: 13px; font-weight: 700; color: var(--copper-dk); }
.works h3 { margin-top: 2px; font-size: 18px; font-weight: 800; }
.works p { margin-top: 4px; font-size: 14px; color: var(--muted); }

/* ── 업계 동향 ──────────────────────── */
.news-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.news-tabs button { font: 700 16px var(--f-body); padding: 10px 22px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--text); cursor: pointer; }
.news-tabs button[aria-selected="true"] { background: var(--wine); border-color: var(--wine); color: #fff; }
.news-list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--text); }
.news-list[aria-busy="true"] { opacity: .4; }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a { display: block; padding: 22px 4px; text-decoration: none; }
.news-list a:hover h3 { color: var(--copper-dk); }
.news-list h3 { font-size: 19px; font-weight: 700; line-height: 1.5; }
.news-list p { margin-top: 6px; color: var(--muted); font-size: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: block; margin-top: 8px; font-size: 13px; color: var(--muted); }
.news-official { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; margin-bottom: 16px; padding: 14px 18px; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--copper); border-radius: 6px; font-size: 15px; }
.news-official[hidden] { display: none; }
.news-official b { color: var(--copper-dk); }
.news-official a { font-weight: 700; text-decoration: none; }
.news-official a:hover { color: var(--copper-dk); text-decoration: underline; }
.news-empty { padding: 40px 4px; color: var(--muted); }
.news-disclaimer { margin-top: 20px; font-size: 13px; color: var(--muted); }
.sample-note { display: none; margin-bottom: 16px; font-size: 14px; background: #fff3c4; color: #6b4e00; padding: 8px 14px; border-radius: 6px; }
.is-sample .sample-note { display: block; }
.news-home { display: grid; grid-template-columns: 320px 1fr; gap: 56px; }
.news-home .news-list h3 { font-size: 17px; }

/* 확인 안 된 내용 표시 — 배포 전에 모두 없어져야 한다 */
.tbd { background: #fff3c4; color: #6b4e00; border-radius: 3px; padding: 0 4px; font-size: .85em; }

/* ── 좁은 화면(휴대폰·작은 노트북) ────── */
@media (max-width: 900px) {
  :root { --gutter: 16px; --header-h: 64px; }
  body { font-size: 16px; }
  .nav, .site-header .btn, .lang { display: none; }
  .menu-toggle { display: block; }
  .site-header.is-open .nav {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--ink); padding: 8px var(--gutter) 20px;
  }
  .site-header.is-open .nav a { padding: 14px 0; border-bottom: 1px solid var(--line-dark); }
  .hero .lede { font-size: 17px; }
  .stats ul { grid-template-columns: 1fr 1fr; gap: 24px 0; padding: 32px 0; }
  .stats li:nth-child(3) { border-left: 0; padding-left: 0; }
  .stats b { font-size: 34px; overflow-wrap: anywhere; }
  .stats li { min-width: 0; padding: 0 12px; }
  .stats li:nth-child(odd) { padding-left: 0; }
  .stats b.long { font-size: 24px; }
  .section { padding: 72px 0; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .sec-head h2 { font-size: 30px; }
  .biz-grid, .fac, .trust, .expand, .news-home, .site-footer .wrap { grid-template-columns: 1fr; }
  .page-head h1 { font-size: 34px; }
  .equip-cards, .measure-grid, .biz-detail .wrap, .expand-grid { grid-template-columns: 1fr; }
  .biz-detail.reverse .biz-text { order: 0; }
  .biz-gallery, .ceo-photo, .contact-side { position: static; }
  .contact-grid, .row2 { grid-template-columns: 1fr; }
  .works { grid-template-columns: 1fr 1fr; gap: 10px; }
  .flow[style] { grid-template-columns: 1fr !important; }
  .submit { width: 100%; }
  .greeting, .values { grid-template-columns: 1fr; gap: 28px; }
  .ceo-photo img { max-width: 320px; }
  .greeting h2 { font-size: 28px; }
  .overview th { width: 96px; padding: 14px 12px; }
  .overview td { padding: 14px 12px; }
  .timeline { margin-left: 8px; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; padding-left: 28px; }
  .timeline .year { font-size: 30px; }
  .biz-text h2 { font-size: 28px; }
  .flow { grid-template-columns: 1fr; }
  .flow li:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -12px; transform: translate(50%, 50%); }
  .biz-card.main { grid-row: auto; min-height: 380px; }
  .mosaic { height: 360px; }
  .expand ul { grid-template-columns: 1fr 1fr; }
  .cta .wrap { flex-direction: column; align-items: flex-start; }
  .cta h2 { font-size: 28px; }
  .site-footer dl { grid-template-columns: auto 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .biz-card img { transition: none; }
}