/* ============================================================
   신화FC — 2a (홈 B 라이트) 확정 시안 구현
   기준: design_handoff_shinhwafc / 신화FC 사이트 시안.dc.html #2a
   ============================================================ */
:root{
  --ink:#141414;
  --t1:#5c5a53;      /* 메뉴 */
  --t2:#6e6b64;      /* 본문 */
  --muted:#77746c;   /* 설명 */
  --cap:#8c8981;     /* 캡션 */
  --cap2:#a8a59d;    /* 날짜·서브라벨 */
  --num:#b8b5ad;     /* 인덱스 */
  --num2:#c4c1b9;    /* 화살표 */
  --copy:#bdbab2;    /* © */

  --bg:#fbfaf8;      /* 페이지 */
  --white:#ffffff;   /* 대비 섹션 */
  --panel:#141414;   /* 반전 밴드 */
  --thumb:#eeece7;   /* 이미지 래퍼 */

  --line:#e7e4de;    /* 헤어라인 */
  --btnline:#d8d4cc; /* 버튼 보더 */
  --input:#ddd9d1;   /* 인풋 */

  --orange:#e2492f;
  --badge-bd:#f0cec6;
  --badge-bg:#fdf4f2;

  --pad: clamp(22px, 5vw, 56px);
  --maxw: 1440px;
  --sec: clamp(64px, 10vw, 120px);
  --ease: cubic-bezier(.16,.8,.24,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Pretendard Variable",Pretendard,system-ui,-apple-system,"Malgun Gothic",sans-serif;
  line-height:1.5; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* 공통 — 헤어라인 + 영문 라벨 */
.eyebrow{display:inline-flex;align-items:center;gap:14px;
  font-size:11.5px;font-weight:700;letter-spacing:.3em;color:var(--orange)}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--orange);flex:none}

/* ---------- 1. 유틸리티 바 ---------- */
.util-bar{background:var(--ink);color:rgba(255,255,255,.6);font-size:12px;letter-spacing:.02em}
.util-bar .container{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.util-bar .u-left{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.util-bar .u-right{display:flex;align-items:center;gap:24px;white-space:nowrap}
.util-bar a:hover{color:#fff}

/* ---------- 2. 헤더 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg);
  border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 4px 20px rgba(20,20,20,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:9px;height:9px;background:var(--orange);display:inline-block;flex:none}
.brand .logo{font-size:21px;font-weight:800;letter-spacing:-.03em}
.brand .sub{font-size:9.5px;font-weight:600;letter-spacing:.22em;color:var(--cap2);padding-top:3px}
.nav-menu{display:flex;align-items:center;gap:40px;font-size:14.5px;font-weight:500;color:var(--t1)}
.nav-menu a{position:relative;padding-bottom:2px;transition:color .2s}
.nav-menu a:hover{color:var(--ink)}
.nav-menu a.is-active{color:var(--ink);font-weight:700;border-bottom:2px solid var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.hamburger{display:none;flex-direction:column;justify-content:space-between;width:22px;height:16px;
  background:none;border:0;cursor:pointer;padding:0}
.hamburger span{height:2px;width:22px;background:var(--ink);display:block;transition:transform .3s var(--ease),opacity .2s}
.hamburger span:nth-child(3){width:14px}

/* ---------- 버튼 (radius 0) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14.5px;font-weight:700;letter-spacing:-.01em;padding:17px 36px;
  border-radius:0;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .15s var(--ease),background .2s,color .2s,border-color .2s,filter .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{filter:brightness(1.07)}
.btn-outline{background:var(--white);color:var(--ink);border-color:var(--btnline)}
.btn-outline:hover{border-color:var(--ink)}
.btn-sm{padding:12px 26px;font-size:13.5px}
.btn-block{display:flex;width:100%}
/* 반전 배경 위 */
.on-dark .btn-outline,.hero .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.on-dark .btn-outline:hover,.hero .btn-outline:hover{border-color:#fff}

/* 모바일 메뉴 */
.mobile-menu{position:fixed;inset:0;z-index:200;background:var(--bg);transform:translateX(100%);
  transition:transform .4s var(--ease);display:flex;flex-direction:column;padding:24px}
.mobile-menu.open{transform:none}
.mobile-menu .mm-top{display:flex;align-items:center;justify-content:space-between;height:60px}
.mobile-menu .mm-close{background:none;border:0;font-size:30px;line-height:1;cursor:pointer;color:var(--ink)}
.mobile-menu nav{display:flex;flex-direction:column;margin-top:20px;border-top:1px solid var(--ink)}
.mobile-menu nav a{font-size:21px;font-weight:700;letter-spacing:-.03em;padding:22px 2px;
  border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.mobile-menu nav a span{color:var(--orange);font-size:16px}
.mobile-menu .mm-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:20px}

/* ---------- 3. 히어로 (풀블리드 · 다크 오버레이) ---------- */
.hero{position:relative;height:800px;overflow:hidden;background:var(--ink)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(15,14,13,.82) 0%,rgba(15,14,13,.55) 42%,rgba(15,14,13,.2) 72%,rgba(15,14,13,.45) 100%)}
.hero-content{position:absolute;left:var(--pad);right:var(--pad);top:132px;z-index:2;
  display:flex;flex-direction:column;gap:26px;align-items:flex-start}
.hero-label{color:var(--orange)}
.hero-title{font-size:clamp(44px,7vw,100px);font-weight:900;line-height:1.02;letter-spacing:-.05em;color:#fff;margin:0}
.hero-title .dot{color:var(--orange)}
.hero-sub{font-size:clamp(15px,1.4vw,17px);line-height:1.8;color:rgba(255,255,255,.78);max-width:520px;margin:0}
.hero-actions{position:absolute;left:var(--pad);bottom:64px;z-index:2;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero-scroll{position:absolute;right:var(--pad);bottom:70px;z-index:2;
  display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.8)}
.hero-scroll span:first-child{font-size:11px;font-weight:600;letter-spacing:.2em}
.hero-scroll .line{width:40px;height:1px;background:rgba(255,255,255,.6);display:inline-block;
  transform-origin:left;animation:scrollpulse 1.8s var(--ease) infinite}
@keyframes scrollpulse{0%,100%{transform:scaleX(.4);opacity:.45}50%{transform:scaleX(1);opacity:1}}

/* ---------- 4. 핵심 숫자 밴드 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border-bottom:1px solid var(--line)}
.stat{padding:clamp(32px,4.6vw,56px) var(--pad);display:flex;flex-direction:column;gap:12px;
  border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .idx{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--num);font-variant-numeric:tabular-nums}
.stat .num{font-size:clamp(32px,4.6vw,60px);font-weight:900;letter-spacing:-.05em;line-height:1;
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline}
.stat .num .u{font-size:.57em;color:var(--orange);font-weight:900}
.stat .label{font-size:13.5px;color:var(--cap)}

/* ---------- 섹션 공통 ---------- */
.section{padding:var(--sec) 0}
.section.white{background:var(--white)}
.section.dark{background:var(--panel);color:#fff}
.section.bordered{border-bottom:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:40px;margin-bottom:clamp(36px,4.6vw,56px)}
.sec-head .left{display:flex;flex-direction:column;gap:18px}
.sec-title{font-size:clamp(30px,4.6vw,52px);font-weight:900;letter-spacing:-.045em;line-height:1.1;margin:0}
.sec-lead{font-size:14.5px;line-height:1.8;color:var(--cap);max-width:340px;text-align:right}
.sec-aside{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.section.dark .eyebrow{color:#fff}
.section.dark .eyebrow::before{background:var(--orange)}
.badge-admin{font-size:10.5px;font-weight:600;letter-spacing:.06em;color:var(--orange);
  border:1px solid var(--badge-bd);background:var(--badge-bg);padding:6px 11px;white-space:nowrap}
.link-all{font-size:13.5px;font-weight:700;border-bottom:1px solid var(--ink);padding-bottom:4px;transition:opacity .2s}
.link-all:hover{opacity:.6}

/* ---------- 5. 솔루션 리스트 ---------- */
.sol-list{display:flex;flex-direction:column;border-top:1px solid var(--ink)}
.sol-row{display:grid;grid-template-columns:88px 1fr 1.15fr 44px;gap:36px;align-items:center;
  padding:42px 0;border-bottom:1px solid var(--line);transition:background .3s}
.sol-row:hover{background:rgba(226,73,47,.03)}
.sol-row .no{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--num);transition:color .3s}
.sol-row:hover .no{color:var(--orange)}
.sol-row .t{font-size:clamp(20px,2.4vw,30px);font-weight:800;letter-spacing:-.03em;line-height:1.3}
.sol-row .d{font-size:14.5px;line-height:1.8;color:var(--muted)}
.sol-row .arw{font-size:20px;color:var(--num2);text-align:right;transition:color .3s,transform .3s var(--ease)}
.sol-row:hover .arw{color:var(--orange);transform:translate(3px,-3px)}

/* ---------- 6. 시공사례 카드 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.case-card{display:flex;flex-direction:column;gap:18px}
.thumb{overflow:hidden;background:var(--thumb);aspect-ratio:4/3}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.case-card:hover .thumb img{transform:scale(1.03)}
.case-card .meta{display:flex;flex-direction:column;gap:10px}
.case-card .mrow{display:flex;align-items:center;justify-content:space-between;gap:12px}
.case-card .cat{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--orange)}
.case-card .date{font-size:12.5px;color:var(--cap2);font-variant-numeric:tabular-nums}
.case-card .title{font-size:19px;font-weight:700;letter-spacing:-.02em;line-height:1.4;transition:color .25s}
.case-card:hover .title{color:var(--orange)}

/* ---------- 7. CEO ---------- */
.ceo{display:grid;grid-template-columns:200px 1fr;gap:56px;align-items:start}
.ceo .who{display:flex;flex-direction:column;gap:16px;padding-top:8px}
.ceo .who .idbox{display:flex;flex-direction:column;gap:3px;padding-top:8px;border-top:1px solid var(--ink)}
.ceo .who .n{font-size:14.5px;font-weight:700;padding-top:10px}
.ceo .who .r{font-size:13px;color:var(--cap)}
.ceo .quote{font-size:clamp(22px,3.2vw,40px);font-weight:800;line-height:1.45;letter-spacing:-.035em;margin:0}

/* ---------- 8. 문의 CTA 밴드 ---------- */
.cta-band{background:var(--panel);color:#fff;padding:clamp(56px,8vw,96px) 0}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}
.cta-band .l{display:flex;flex-direction:column;gap:16px}
.cta-band .t{font-size:clamp(26px,3.8vw,42px);font-weight:900;letter-spacing:-.04em;line-height:1.25}
.cta-band .r{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn{padding:18px 38px}

/* ---------- 9. 푸터 (라이트) ---------- */
.site-footer{background:var(--bg);color:var(--cap);border-top:1px solid var(--line);padding:var(--pad) 0}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:48px;flex-wrap:wrap}
.footer-co{display:flex;flex-direction:column;gap:16px}
.footer-co .fbrand{display:flex;align-items:center;gap:11px}
.footer-co .fbrand .mark{width:8px;height:8px;background:var(--orange);display:inline-block}
.footer-co .fn{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.03em}
.footer-co .info{font-size:12.5px;line-height:1.9}
.footer-co .copy{font-size:11.5px;color:var(--copy)}
.footer-links{display:flex;gap:56px;font-size:12.5px}
.footer-links .col{display:flex;flex-direction:column;gap:11px}
.footer-links .col .h{color:var(--ink);font-weight:700;font-size:11px;letter-spacing:.16em}
.footer-links a:hover{color:var(--ink)}

/* ---------- 서브페이지 히어로 ---------- */
.page-hero{padding:clamp(48px,7vw,90px) 0 clamp(36px,5vw,60px);border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:1fr auto;align-items:end;gap:40px}
.page-hero .left{display:flex;flex-direction:column;gap:18px}
.page-hero h1{font-size:clamp(30px,4.8vw,56px);font-weight:900;letter-spacing:-.045em;margin:0;line-height:1.1}
.page-hero .desc{font-size:14.5px;color:var(--cap);line-height:1.8;max-width:400px;text-align:right}

/* ---------- 제품 카드 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.prod-card{border:1px solid var(--line);border-radius:0;overflow:hidden;display:flex;flex-direction:column;
  background:var(--white);transition:border-color .3s}
.prod-card:hover{border-color:var(--ink)}
.prod-card .thumb{aspect-ratio:4/3}
.prod-card .body{padding:26px 28px 30px;display:flex;flex-direction:column;gap:10px}
.prod-card .type{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--orange)}
.prod-card .name{font-size:20px;font-weight:700;letter-spacing:-.02em}
.prod-card .desc{font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- 시공순서 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step .thumb{aspect-ratio:4/3;margin-bottom:16px}
.step .h{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
.step .h .no{font-size:22px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums}
.step .h .t{font-size:17px;font-weight:700;letter-spacing:-.02em}
.step .d{font-size:13.5px;line-height:1.8;color:var(--muted)}

/* ---------- 표 ---------- */
.tbl{border-top:2px solid var(--ink)}
.tbl .thead,.tbl .trow{display:grid;grid-template-columns:160px 1.4fr 1fr 120px 140px;gap:24px;align-items:center}
.tbl .thead{padding:16px 8px;border-bottom:1px solid var(--line);font-size:12.5px;font-weight:700;color:var(--t1)}
.tbl .trow{padding:20px 8px;border-bottom:1px solid var(--line);font-size:14.5px;font-variant-numeric:tabular-nums}
.tbl .trow .no{font-weight:600;color:var(--orange)}
.tbl .trow .nm{font-weight:600}
.tbl .trow .mut{color:var(--muted)}
.tbl .trow .cap{color:var(--cap)}

/* ---------- 법규 카드 (반전) ---------- */
.law-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.law-card{border:1px solid rgba(255,255,255,.15);padding:30px 32px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .3s}
.law-card:hover{border-color:rgba(255,255,255,.4)}
.law-card .t{font-size:17px;font-weight:700}
.law-card .d{font-size:14px;line-height:1.75;color:rgba(255,255,255,.55)}

/* ---------- 필터 칩 (radius 0 · 활성 검정 채움) ---------- */
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:13.5px;font-weight:500;border:1px solid var(--btnline);color:var(--t1);background:var(--white);
  padding:11px 20px;border-radius:0;cursor:pointer;transition:all .2s var(--ease)}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700}
.chip .c{color:var(--num);margin-left:5px;font-variant-numeric:tabular-nums}
.chip.active .c{color:rgba(255,255,255,.5)}
.chip:active{transform:scale(.96)}

/* ---------- 갤러리 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.gitem{display:flex;flex-direction:column;gap:12px;cursor:pointer}
.gitem .thumb{aspect-ratio:4/3}
.gitem .cat{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--orange)}
.gitem .title{font-size:15px;font-weight:700;letter-spacing:-.02em;transition:color .25s}
.gitem:hover .title{color:var(--orange)}
.gitem:hover .thumb img{transform:scale(1.03)}
.gitem .date{font-size:12.5px;color:var(--cap2);font-variant-numeric:tabular-nums}
.gitem.hide{display:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.gitem.appear{animation:fadeUp .45s var(--ease) both}

/* ---------- 인정서 리스트 ---------- */
.file-list{border-top:2px solid var(--ink)}
.file-row{display:grid;grid-template-columns:56px 1.6fr 1fr 130px 160px;gap:24px;align-items:center;
  padding:24px 8px;border-bottom:1px solid var(--line);transition:background .2s}
.file-row:hover{background:var(--white)}
.file-row .pdf{width:44px;height:44px;border:1px solid var(--btnline);display:flex;
  align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--orange)}
.file-row .fn{font-size:16.5px;font-weight:700;letter-spacing:-.02em}
.file-row .no{font-size:13px;color:var(--cap);margin-top:4px}
.file-row .ty{font-size:14px;color:var(--muted)}
.file-row .dt{font-size:13.5px;color:var(--cap2);font-variant-numeric:tabular-nums}
.file-row.hide{display:none}

/* ---------- 문의 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.contact-form{padding:clamp(44px,6vw,80px) var(--pad);border-right:1px solid var(--line);background:var(--white)}
.contact-map-wrap{display:flex;flex-direction:column}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field label{font-size:13px;font-weight:600}
.form-field .req{color:var(--orange)}
.form-field input,.form-field textarea{border:1px solid var(--input);border-radius:0;padding:15px 16px;
  font-size:14px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s}
.form-field input:focus,.form-field textarea:focus{outline:0;border-color:var(--orange);box-shadow:0 0 0 3px rgba(226,73,47,.1)}
.form-field textarea{height:140px;resize:vertical}
.form-field.err input,.form-field.err textarea{border-color:var(--orange)}
.form-error{font-size:12px;color:var(--orange);display:none}
.form-field.err .form-error{display:block}
.agree{display:flex;align-items:center;gap:10px;margin:6px 0 16px}
.agree input{width:18px;height:18px;accent-color:var(--orange)}
.agree label{font-size:13px;color:var(--muted)}
.map-box{flex:1;min-height:420px;background:var(--thumb);position:relative}
.map-box img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.contact-info{padding:clamp(36px,4.6vw,56px) var(--pad)}
.contact-info h2{font-size:clamp(21px,2.6vw,26px);font-weight:800;letter-spacing:-.03em;margin:0 0 28px}
.dl{border-top:1px solid var(--ink)}
.dl .r{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.dl .k{font-size:13.5px;font-weight:700;color:var(--cap)}
.dl .v{font-size:15px;font-weight:500}

/* 알림 배너 */
.alert{padding:14px 18px;border-radius:0;font-size:14px;margin-bottom:20px;font-weight:600}
.alert-ok{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--ink);color:var(--ink)}
.alert-bad{background:var(--badge-bg);border:1px solid var(--badge-bd);border-left:3px solid var(--orange);color:var(--orange)}

.more-wrap{display:flex;justify-content:center;margin-top:56px}

/* ---------- 라이트박스 ---------- */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(13,14,16,.94);display:flex;align-items:center;
  justify-content:center;flex-direction:column;gap:16px;opacity:0;pointer-events:none;transition:opacity .3s;padding:24px}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox img{max-width:min(92vw,1100px);max-height:78vh;object-fit:contain;
  transform:scale(.96);transition:transform .3s var(--ease)}
.lightbox.open img{transform:scale(1)}
.lightbox .cap{color:#fff;font-size:15px;font-weight:600;text-align:center}
.lightbox .cap small{display:block;color:rgba(255,255,255,.6);font-weight:400;margin-top:4px}
.lightbox .close{position:absolute;top:20px;right:24px;background:none;border:0;color:#fff;font-size:34px;cursor:pointer;line-height:1}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:46px;height:46px;
  background:none;border:1px solid rgba(255,255,255,.35);color:#fff;font-size:18px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s}
.lightbox .lb-nav:hover{background:rgba(255,255,255,.12);border-color:#fff}
.lightbox .lb-prev{left:20px}
.lightbox .lb-next{right:20px}
.lightbox .lb-count{position:absolute;top:26px;left:24px;color:rgba(255,255,255,.6);font-size:13px;letter-spacing:.08em;font-variant-numeric:tabular-nums}

/* ---------- 맨 위로 ---------- */
.to-top{position:fixed;right:22px;bottom:22px;z-index:150;width:46px;height:46px;border-radius:0;
  border:1px solid var(--ink);background:rgba(255,255,255,.94);backdrop-filter:blur(6px);color:var(--ink);
  font-size:17px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .3s,transform .3s var(--ease),visibility .3s,background .2s,color .2s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--ink);color:#fff}

/* ---------- 리빌 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}
.hero-img.reveal{transform:scale(1.05);transition-duration:1.1s}
.hero-img.reveal.in{transform:scale(1)}
.btn.loading{opacity:.7;pointer-events:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--orange);outline-offset:3px}

/* ---------- 반응형 ---------- */
@media (max-width:1180px){
  .sol-row{grid-template-columns:72px 1fr 1.1fr 32px;gap:24px}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .util-bar .container{height:34px;font-size:11px}
  .util-bar .u-right{gap:12px}
  .nav{height:60px}
  .nav-menu,.nav-cta .btn{display:none}
  .hamburger{display:flex}
  .brand .sub{display:none}

  .hero{height:620px}
  .hero-content{top:auto;bottom:300px;gap:18px}
  .hero-title{font-size:44px;letter-spacing:-.04em}
  .hero-sub{font-size:14.5px}
  .hero-actions{bottom:40px;gap:10px}
  .hero-actions .btn{padding:15px 26px;font-size:13.5px}
  .hero-scroll{display:none}

  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:28px var(--pad)}
  .stat .num{font-size:32px}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}

  .sec-head{grid-template-columns:1fr;gap:18px}
  .sec-lead{text-align:left;max-width:none}
  .sec-head .sec-aside{justify-content:flex-start}

  .sol-row{grid-template-columns:1fr 32px;gap:8px 12px;padding:28px 0;align-items:start}
  .sol-row .no{grid-column:1;font-size:12px}
  .sol-row .t{grid-column:1;font-size:18px}
  .sol-row .d{grid-column:1}
  .sol-row .arw{grid-column:2;grid-row:1/4;align-self:center}

  .case-grid{grid-template-columns:1fr;gap:28px}
  .ceo{grid-template-columns:1fr;gap:24px}
  .cta-band .container{flex-direction:column;align-items:flex-start;gap:28px}

  .page-hero{grid-template-columns:1fr;gap:18px}
  .page-hero .desc{text-align:left;max-width:none}
  .prod-grid{grid-template-columns:1fr 1fr;gap:24px}
  .law-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .contact-form{border-right:0;border-bottom:1px solid var(--line)}
  .tbl .thead{display:none}
  .tbl .trow{grid-template-columns:1fr 1fr;gap:6px 16px;padding:18px 8px}
  .tbl .trow .nm{grid-column:1/-1;font-size:16px}
  .file-row{grid-template-columns:44px 1fr auto;gap:12px 16px}
  .file-row .ty,.file-row .dt{display:none}
  .footer-top{flex-direction:column;gap:28px}
  .footer-links{gap:40px}
}
@media (max-width:520px){
  .gallery{grid-template-columns:1fr 1fr;gap:20px}
  .prod-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   제품소개 — 유형별 목차 + 그룹
   ============================================================ */
.sec-no{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--num);font-variant-numeric:tabular-nums}
.sec-no.on-dark-no{color:rgba(255,255,255,.35)}

.toc{display:grid;grid-template-columns:88px 1fr;gap:36px;align-items:center;
  border-top:1px solid var(--ink);border-bottom:1px solid var(--line);
  padding:18px 0;margin-bottom:clamp(36px,5vw,56px)}
.toc-label{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--num)}
.toc-list{display:flex;flex-wrap:wrap;gap:4px 28px;list-style:none;margin:0;padding:0}
.toc-list a{display:inline-flex;align-items:baseline;gap:9px;padding:6px 0;
  border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.toc-list .i{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--num);font-variant-numeric:tabular-nums}
.toc-list .t{font-size:15px;font-weight:700;letter-spacing:-.02em}
.toc-list .c{font-size:12.5px;color:var(--cap2);font-variant-numeric:tabular-nums}
.toc-list a:hover{border-bottom-color:var(--orange)}
.toc-list a:hover .t,.toc-list a:hover .i{color:var(--orange)}

.ptype-block{scroll-margin-top:104px}
.ptype-block + .ptype-block{margin-top:clamp(44px,6vw,80px)}
.ptype-head{display:flex;align-items:baseline;gap:14px;
  padding-bottom:16px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.ptype-head .i{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--num);font-variant-numeric:tabular-nums}
.ptype-head .t{font-size:clamp(19px,2.2vw,24px);font-weight:800;letter-spacing:-.03em;margin:0;line-height:1.3}
.ptype-head .c{font-size:12.5px;color:var(--cap2);margin-left:auto;font-variant-numeric:tabular-nums;white-space:nowrap}

@media (max-width:860px){
  .toc{grid-template-columns:1fr;gap:12px;padding:16px 0}
  .toc-list{gap:2px 20px}
  .toc-list .t{font-size:14.5px}
  .ptype-block{scroll-margin-top:80px}
}

/* ============================================================
   시공순서 — 그룹 탭
   ============================================================ */
.step-tabs{margin-bottom:clamp(28px,4vw,40px)}
.step-tabs .chip{font-family:inherit}
.step-group.is-hidden{display:none}
.step-group-head{display:flex;align-items:baseline;gap:14px;
  padding-bottom:14px;margin-bottom:26px;border-bottom:1px solid var(--ink)}
.step-group-head .gt{font-size:clamp(18px,2.1vw,22px);font-weight:800;letter-spacing:-.03em;margin:0;line-height:1.3}
.step-group-head .gc{font-size:12.5px;color:var(--cap2);margin-left:auto;font-variant-numeric:tabular-nums;white-space:nowrap}
.step-group + .step-group{margin-top:clamp(40px,5vw,64px)}

/* ============================================================
   시공순서 — 목차식 리스트 (카드 그리드 대체)
   ============================================================ */
.step-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;
  border-top:1px solid var(--ink)}
.step-row{display:grid;grid-template-columns:76px 180px 1fr 1.25fr;gap:32px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--line);transition:background .3s}
.step-row:hover{background:rgba(226,73,47,.03)}
.step-row .no{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--num);
  font-variant-numeric:tabular-nums;transition:color .3s}
.step-row:hover .no{color:var(--orange)}
.step-row .thumb{display:block;overflow:hidden;background:var(--thumb);aspect-ratio:4/3;width:100%}
.step-row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.step-row:hover .thumb img{transform:scale(1.04)}
.step-row .t{font-size:clamp(17px,1.9vw,22px);font-weight:800;letter-spacing:-.03em;line-height:1.35}
.step-row .d{font-size:14.5px;line-height:1.8;color:var(--muted)}

@media (max-width:1180px){
  .step-row{grid-template-columns:60px 150px 1fr;gap:24px;align-items:start}
  .step-row .no{padding-top:4px}
  .step-row .t{grid-column:3;align-self:end}
  .step-row .d{grid-column:3;margin-top:8px}
  .step-row .thumb{grid-row:1/3}
}
@media (max-width:640px){
  .step-row{grid-template-columns:52px 1fr;gap:6px 16px;padding:24px 0}
  .step-row .thumb{grid-column:1/-1;grid-row:auto;max-width:100%;margin-bottom:14px}
  .step-row .no{grid-column:1;grid-row:2;padding-top:2px}
  .step-row .t{grid-column:2;grid-row:2;font-size:17px}
  .step-row .d{grid-column:2;grid-row:3;margin-top:6px;font-size:14px}
}

/* ============================================================
   메뉴 6개 대응 — 폭이 좁아지면 간격·글자를 단계적으로 줄인다
   (홈/제품소개/시공순서/사업현황·내화채움시스템/인정서 다운로드/문의)
   ============================================================ */
.nav-menu{flex-wrap:nowrap}
.nav-menu a{white-space:nowrap}
@media (max-width:1400px){ .nav-menu{gap:30px} }
@media (max-width:1280px){ .nav-menu{gap:22px;font-size:14px} }
@media (max-width:1140px){ .nav-menu{gap:16px;font-size:13.5px} .brand .sub{display:none} }
@media (max-width:1020px){
  /* 이 아래로는 6개가 안 들어가므로 햄버거로 전환 */
  .nav-menu,.nav-cta .btn{display:none}
  .hamburger{display:flex}
  .nav{height:64px}
}

/* ============================================================
   서브페이지 배너 (이미지 + 오버레이 제목)
   ============================================================ */
.page-banner{position:relative;overflow:hidden;background:var(--ink);
  min-height:clamp(240px,30vw,420px);display:flex;align-items:flex-end}
.page-banner-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.page-banner::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(15,14,13,.86) 0%,rgba(15,14,13,.58) 46%,rgba(15,14,13,.30) 74%,rgba(15,14,13,.55) 100%)}
.page-banner > .container{position:relative;z-index:2;width:100%}
.page-banner-inner{display:grid;grid-template-columns:1fr auto;align-items:end;gap:40px;
  padding:clamp(44px,6vw,72px) 0 clamp(32px,4vw,52px)}
.pb-left{display:flex;flex-direction:column;gap:18px}
.page-banner h1{font-size:clamp(30px,4.8vw,56px);font-weight:900;letter-spacing:-.045em;
  line-height:1.12;margin:0;color:#fff}
.pb-right{display:flex;flex-direction:column;align-items:flex-end;gap:12px;max-width:420px}
.pb-desc{margin:0;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);text-align:right}
.page-banner .badge-admin{background:rgba(226,73,47,.12);border-color:rgba(226,73,47,.55);color:#ff8a70}
.page-banner .eyebrow{color:var(--orange)}
.page-banner .eyebrow::before{background:var(--orange)}

@media (max-width:860px){
  .page-banner{min-height:220px}
  .page-banner-inner{grid-template-columns:1fr;gap:16px;padding:36px 0 28px}
  .pb-right{align-items:flex-start;max-width:none}
  .pb-desc{text-align:left}
}

/* 제품 카드 — 복수 유형 표시 */
.prod-card .also{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 10px;
  margin-top:6px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px}
.prod-card .also .k{font-size:10.5px;font-weight:700;letter-spacing:.1em;color:var(--num)}
.prod-card .also a{color:var(--muted);border-bottom:1px solid var(--btnline);transition:color .2s,border-color .2s}
.prod-card .also a:hover{color:var(--orange);border-color:var(--orange)}

/* ============================================================
   인터랙션 v1.2 — 절제 톤 유지, 디테일 보강
   ============================================================ */

/* ---------- 스크롤 진행바 (헤더 하단) ---------- */
.scroll-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none;overflow:hidden}
.scroll-progress span{display:block;height:100%;width:100%;background:var(--orange);
  transform:scaleX(0);transform-origin:left center;will-change:transform}

/* ---------- 헤더 자동 숨김 ---------- */
.site-header{will-change:transform;transition:transform .34s var(--ease),box-shadow .3s}
.site-header.nav-hide{transform:translateY(-100%)}
.site-header.nav-hide .scroll-progress{opacity:0}

/* ---------- 히어로 미세 패럴랙스 ----------
   reveal 이 transform(scale) 을 트랜지션하므로, 패럴랙스는 별도 속성인
   translate 로 준다. 그래야 매 프레임 갱신이 1.1s 트랜지션에 걸리지 않는다. */
.hero-img{--py:0px;translate:0 var(--py);will-change:translate}
/* 히어로 마침표 — 등장 후 한 번만 숨쉬듯 */
.hero-title .dot{display:inline-block;transform-origin:center bottom}
.hero-title.in .dot{animation:dotpop .9s var(--ease) .55s both}
@keyframes dotpop{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.18);opacity:1}100%{transform:scale(1)}}

/* ---------- 숫자 밴드 — 구분선이 그려지고 단위가 뒤따라 ---------- */
.stats .stat{position:relative;border-right:0}
.stats .stat::after{content:"";position:absolute;right:0;top:0;bottom:0;width:1px;background:var(--line);
  transform:scaleY(0);transform-origin:top;transition:transform .55s var(--ease)}
.stats .stat:last-child::after{display:none}
.stats .stat.lit::after{transform:scaleY(1)}
.stat .idx{opacity:0;transform:translateY(6px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.stat.lit .idx{opacity:1;transform:none}
.stat .num .u{opacity:0;transform:translateY(4px);
  transition:opacity .45s var(--ease) .55s,transform .45s var(--ease) .55s}
.stat.lit .num .u{opacity:1;transform:none}
@media (max-width:860px){
  .stats .stat:nth-child(2)::after{display:none}
  .stats .stat:nth-child(1)::after,.stats .stat:nth-child(2)::after{display:none}
}

/* ---------- 버튼 디테일 ---------- */
.btn{position:relative;overflow:hidden}
.btn:not(.loading):hover{transform:translateY(-1px)}
.btn-primary:not(.loading):hover{box-shadow:0 6px 18px rgba(226,73,47,.22)}
.btn-outline:not(.loading):hover{box-shadow:0 6px 18px rgba(20,20,20,.07)}
.btn:active{transform:translateY(1px)!important}
/* 전송 중 스피너 */
.btn.loading{opacity:.85;pointer-events:none}
.btn.loading.spin::before{content:"";width:14px;height:14px;margin-right:9px;flex:none;
  border:2px solid currentColor;border-right-color:transparent;border-radius:50%;
  animation:btnspin .7s linear infinite;display:inline-block;vertical-align:-2px}
@keyframes btnspin{to{transform:rotate(360deg)}}

/* ---------- 문의 폼 디테일 ---------- */
.form-field label{transition:color .2s}
.form-field:focus-within label{color:var(--orange)}
/* 포커스 시 인풋 하단에 2px 라인이 생기고 은은한 링이 퍼진다 */
.form-field input,.form-field textarea{
  transition:border-color .2s,box-shadow .28s var(--ease)}
.form-field input:focus,.form-field textarea:focus{
  outline:0;border-color:var(--orange);
  box-shadow:inset 0 -2px 0 var(--orange), 0 0 0 3px rgba(226,73,47,.09)}
.form-field.err input,.form-field.err textarea{
  box-shadow:inset 0 -2px 0 var(--orange)}
/* 오류 문구는 접혔다 펴진다 */
.form-error{display:block;overflow:hidden;max-height:0;opacity:0;
  transition:max-height .25s var(--ease),opacity .25s var(--ease)}
.form-field.err .form-error{max-height:40px;opacity:1}
.agree input{transition:transform .15s var(--ease)}
.agree input:active{transform:scale(.9)}

/* ---------- 알림 배너 등장 ---------- */
.alert.alert-in{opacity:0;transform:translateY(-8px);
  transition:opacity .4s var(--ease),transform .4s var(--ease)}
.alert.alert-in.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .scroll-progress{display:none}
  .site-header.nav-hide{transform:none}
  .hero-img{translate:none}
  .stats .stat::after{transform:scaleY(1)}
  .stat .idx,.stat .num .u{opacity:1;transform:none}
  .hero-title.in .dot{animation:none}
  .alert.alert-in{opacity:1;transform:none}
}

/* ============================================================
   이미지 로고 (assets/img/logo.png · 원본 151×56)
   ============================================================ */
.brand-img{display:block;width:auto;height:36px;flex:none;
  transition:opacity .2s var(--ease)}
.brand:hover .brand-img{opacity:.78}
/* 헤더 브랜드는 이미지 하나만 들어가므로 gap 불필요 */
.site-header .brand{gap:0}
/* 푸터 — 회사정보 위에 놓이므로 조금 작게 */
.footer-co .fbrand{gap:0}
.footer-co .brand-img{height:30px}
/* 모바일 메뉴 상단 */
.mobile-menu .brand{gap:0}
.mobile-menu .brand-img{height:30px}
@media (max-width:1140px){ .brand-img{height:32px} }
@media (max-width:860px){
  .brand-img{height:28px}
  .footer-co .brand-img{height:26px}
}

/* ============================================================
   한글 조판 보정 (2026-07-27)
   · word-break:keep-all  — 어절 중간에서 끊기는 것 방지
     ("공법입니 / 다." → "공법 / 입니다.")
   · overflow-wrap:break-word — 긴 URL·영문은 예외적으로 끊어 넘침 방지
   · text-wrap:balance/pretty — 마지막 줄에 한두 글자만 남는 것 방지
   ============================================================ */
body{word-break:keep-all;overflow-wrap:break-word}

/* 제목 — 줄 길이를 고르게 */
h1,h2,h3,
.hero-title,.sec-title,.page-banner h1,
.cta-band .t,.ceo .quote,
.sol-row .t,.step-row .t,.prod-card .name,.case-card .title,.law-card .t{
  text-wrap:balance;
}

/* 본문 — 고아 단어(마지막 줄 한 단어) 방지 */
p,.hero-sub,.sec-lead,.pb-desc,.page-hero .desc,
.sol-row .d,.step-row .d,.prod-card .desc,.law-card .d,.step .d,
.footer-co .info,.bn-guide{
  text-wrap:pretty;
}

/* ---------- 배너 설명문 — 오른쪽 정렬 해제 ----------
   짧은 리드문은 우측 정렬이 어울리지만, 사업현황처럼 DB에서 오는
   긴 문단은 왼쪽 끝이 들쭉날쭉해 읽기 나쁘다.
   블록은 오른쪽에 두되 글자는 왼쪽 정렬로 흘린다. */
.pb-desc{text-align:left}
.pb-right{align-items:flex-start;text-align:left}
@media (min-width:861px){
  .pb-right{align-items:flex-end}      /* 블록 위치는 오른쪽 유지 */
  .pb-right > *{text-align:left}
}

/* 섹션 리드문도 같은 기준 — 3줄 이상이면 왼쪽 정렬이 안전 */
.sec-lead{text-align:right}
@media (max-width:1080px){ .sec-lead{text-align:left} }

/* ============================================================
   시공순서 — 그룹별 구간 (탭 대신 세로 나열 + 명확한 구분)
   ============================================================ */
.sgroup{scroll-margin-top:104px}
.sgroup + .sgroup{margin-top:clamp(56px,7vw,96px);padding-top:clamp(40px,5vw,64px);
  border-top:2px solid var(--ink)}
.sgroup-head{display:flex;align-items:baseline;gap:16px;margin-bottom:clamp(24px,3vw,34px)}
.sgroup-head .i{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--num);
  font-variant-numeric:tabular-nums}
.sgroup-head .t{font-size:clamp(21px,2.8vw,30px);font-weight:900;letter-spacing:-.035em;margin:0;line-height:1.25}
.sgroup-head .c{font-size:12.5px;color:var(--cap2);margin-left:auto;white-space:nowrap;
  font-variant-numeric:tabular-nums}
/* 첫 그룹은 위 보더 없이 시작 */
.sgroup:first-of-type .sgroup-head{padding-top:0}
@media (max-width:640px){
  .sgroup-head{gap:10px}
  .sgroup-head .c{width:100%;margin-left:0;order:3}
}

/* ============================================================
   제품 유형 필터 — 목차를 눌러 조합 (복수 선택 · 합집합)
   ============================================================ */
.pfilter .toc-list{gap:6px 10px}
.pf-btn{display:inline-flex;align-items:baseline;gap:9px;font-family:inherit;cursor:pointer;
  border:1px solid var(--btnline);background:var(--white);color:var(--t1);
  padding:9px 15px;border-radius:0;transition:all .18s var(--ease)}
.pf-btn:hover{border-color:var(--ink);color:var(--ink)}
.pf-btn .i{font-size:10.5px;font-weight:700;letter-spacing:.16em;color:var(--num);font-variant-numeric:tabular-nums}
.pf-btn .t{font-size:14px;font-weight:600;letter-spacing:-.02em}
.pf-btn .c{font-size:12px;color:var(--cap2);font-variant-numeric:tabular-nums}
.pf-btn.on{background:var(--ink);border-color:var(--ink);color:#fff}
.pf-btn.on .i{color:rgba(255,255,255,.45)}
.pf-btn.on .c{color:rgba(255,255,255,.55)}
.pf-btn.on .t{font-weight:700}
.pf-btn:active{transform:scale(.97)}

/* 선택 상태 안내 줄 */
.pfilter-state{display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:12px 0 16px;margin-bottom:clamp(20px,3vw,28px);border-bottom:1px solid var(--line)}
.pfilter-state .k{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--num)}
.pfilter-state .v{font-size:14px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.pfilter-state .clear{margin-left:auto;font-family:inherit;font-size:12.5px;font-weight:600;
  background:none;border:0;border-bottom:1px solid var(--btnline);color:var(--muted);
  padding:2px 0;cursor:pointer;transition:color .2s,border-color .2s}
.pfilter-state .clear:hover{color:var(--orange);border-color:var(--orange)}

.prod-card[hidden]{display:none}
.prod-card.appear{animation:fadeUp .38s var(--ease) both}
.pfilter-empty{font-size:14.5px;color:var(--muted);padding:28px 0}

@media (prefers-reduced-motion:reduce){ .prod-card.appear{animation:none} }