:root{
  --ink:#1c1a17; --accent:#6B8499; --cream:#FAF7F1; --band:#EEEAE4;
  --muted:#6f675c; --line:#e7e0d5; --card:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Pretendard','Noto Sans KR',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  color:var(--ink);background:var(--cream);line-height:1.75;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.acc{color:var(--accent)}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(250,247,241,.9);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{font-size:22px;font-weight:800;letter-spacing:-.03em}
.logo .ink{color:var(--ink)} .logo .acc{color:var(--accent)}
.menu{display:flex;align-items:center;gap:28px}
.menu a{font-size:15px;font-weight:600;color:#3c352d}
.menu a:hover{color:var(--accent)}
.cta{background:var(--accent);color:#fff!important;padding:10px 20px;border-radius:8px;font-weight:700;font-size:14px}
.cta:hover{filter:brightness(1.06)}
.burger{display:none}

/* hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.62)}
.hero .bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,18,15,.55),rgba(20,18,15,.15))}
.hero .inner{position:relative;color:#fff;padding:90px 0}
.hero .kw{font-size:25px;font-weight:600;opacity:.95;margin:0 0 10px}
.hero .brand{font-size:50px;font-weight:800;line-height:1.15;margin:0 0 26px;letter-spacing:-.03em}
.hero .brand .acc{color:#6B8499}
.hero .sub{font-size:17px;max-width:560px;opacity:.92;margin:0 0 30px;font-weight:400}
.hero .btn{display:inline-block;background:var(--accent);color:#fff;padding:15px 34px;border-radius:9px;font-weight:700;font-size:16px}
.hero .btn:hover{filter:brightness(1.07)}

/* sections */
section{padding:78px 0}
.band{background:var(--band)}
.eyebrow{color:var(--accent);font-weight:700;font-size:14px;letter-spacing:.02em;margin:0 0 10px}
h2.sec{font-size:32px;font-weight:800;letter-spacing:-.03em;margin:0 0 14px}
.lead{color:var(--muted);font-size:16px;max-width:640px;margin:0 0 42px}

/* quicklinks */
.qgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.qcard .ph{height:130px;background-size:cover;background-position:center;transition:.3s}
.qcard .tx{padding:16px 16px 18px}
.qcard .tx b{display:block;font-size:15px;margin-bottom:4px}
.qcard .tx span{font-size:13px;color:var(--muted)}
.qcard:hover{transform:translateY(-4px)}
.qcard:hover .ph{filter:brightness(1.08);transform:scale(1.04)}

/* process */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px 26px}
.step .n{width:42px;height:42px;border-radius:10px;background:var(--accent);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:800;margin-bottom:16px}
.step b{display:block;font-size:18px;margin-bottom:8px}
.step p{margin:0;color:var(--muted);font-size:15px}

/* cases */
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.ccard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.ccard .ph{height:210px;background-size:cover;background-position:center}
.ccard .tx{padding:20px 22px 24px}
.ccard .tag{color:var(--accent);font-weight:700;font-size:13px}
.ccard b{display:block;font-size:18px;margin:6px 0 8px}
.ccard p{margin:0;color:var(--muted);font-size:14px}
.ccard:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(40,30,20,.08)}

/* 하단 관련 시공사례 : 2장 고정, 2열, 모바일도 동일 2열 (3+1·4장·2줄 금지) */
.related{margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.related h3{font-size:18px;font-weight:800;margin:0 0 16px}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.rcard .ph{width:100%;aspect-ratio:4/3;background-size:cover;background-position:center}
.rcard .tx{padding:14px 16px 16px}
.rcard .tag{color:var(--accent);font-weight:700;font-size:12px}
.rcard b{display:block;font-size:15px;margin-top:4px;font-weight:700;color:var(--ink)}
.rcard:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(40,30,20,.08)}

/* 전체 시공사례 보기 (사례 상세 최하단, 중앙 정렬) */
.mt-cta-center{display:flex;justify-content:center;margin-top:52px}
.btn-outline{display:inline-block;background:transparent;border:1.5px solid var(--accent);color:var(--accent);
  padding:13px 30px;border-radius:9px;font-weight:700;font-size:15px}
.btn-outline:hover{background:var(--accent);color:#fff}

/* brand collage type F */
.collage{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;align-items:center}
.collage .big{border-radius:16px;overflow:hidden;height:420px}
.collage .big img{width:100%;height:100%;object-fit:cover}
.collage .mini{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:14px;height:420px}
.collage .mini div{border-radius:14px;overflow:hidden}
.collage .mini img{width:100%;height:100%;object-fit:cover}
.collage .mini .span2{grid-column:1 / span 2}
.bintro{margin-top:36px;max-width:820px}
.bintro p{color:#4a4238;font-size:16px}

/* faq */
.faq{max-width:820px}
.qa{border-bottom:1px solid var(--line);padding:22px 0}
.qa b{display:block;font-size:17px;margin-bottom:8px}
.qa b:before{content:"Q. ";color:var(--accent);font-weight:800}
.qa p{margin:0;color:var(--muted);font-size:15px}

/* 비교표 (가격 없이 절차·특성만 비교) */
table.cmp{width:100%;border-collapse:collapse;margin:30px 0;font-size:15px}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:12px 14px;text-align:left}
table.cmp th{background:var(--band);font-weight:700}
table.cmp td{color:#4B5563}
@media(max-width:640px){table.cmp{font-size:13px}table.cmp th,table.cmp td{padding:8px 9px}}

/* closing */
.closing{height:650px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.closing .bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.5)}
.closing .box{position:relative;background:#fff;border-radius:20px;padding:56px 60px;text-align:center;max-width:560px;
  box-shadow:0 20px 60px rgba(30,20,12,.2)}
.closing .box h3{font-size:30px;font-weight:800;margin:0 0 12px;letter-spacing:-.03em}
.closing .box p{color:var(--muted);margin:0 0 26px}
.closing .box a{display:inline-block;background:var(--accent);color:#fff;padding:15px 40px;border-radius:9px;font-weight:700}
.closing .box a:hover{filter:brightness(1.07)}

/* article */
.article{max-width:820px;padding:70px 0}
.article h1{font-size:30px;font-weight:800;letter-spacing:-.03em;margin:0 0 8px}
.article .top{color:var(--accent);font-weight:700;font-size:14px;margin-bottom:22px}
.article .hero-img{height:340px;border-radius:16px;background-size:cover;background-position:center;margin:0 0 34px}
.article h2{font-size:22px;margin:38px 0 12px}
.article p{color:#413a31;font-size:16px}
.article .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
.article .gallery div{height:170px;border-radius:12px;background-size:cover;background-position:center}

/* detail 본문 (시공사례 상세 · 후기 · 지역) : 맨 위 550x410 1장 -> 라벨 -> 제목 -> 글 */
.detail{max-width:820px;margin:0 auto;padding:66px 22px}
.detail .lead-shot{width:550px;height:410px;object-fit:cover;border-radius:18px;display:block;
  max-width:100%;margin:0 auto 36px;box-shadow:0 4px 14px rgba(30,20,12,.05)}
.detail .meta{font-size:13px;color:#9CA3AF;font-weight:700;letter-spacing:.06em;margin:0 0 12px}
.detail h2.dtitle{font-size:clamp(28px,3.4vw,34px);font-weight:800;color:#111;line-height:1.35;letter-spacing:-.02em;margin:0 0 24px}
.detail p{font-size:17.5px;line-height:1.9;color:#4B5563;margin:0 0 20px}
.detail p strong{color:#111;font-weight:700}
@media(max-width:640px){.detail .lead-shot{width:100%;height:auto;aspect-ratio:550/410}}

/* 시공 전/중/후 (열 수 = 실제 존재하는 사진 수, 인라인 style로 지정 · 모바일도 동일 열수) */
.detail .shot3{display:grid;gap:16px;margin:36px 0 34px}
.detail .shot3 figure{margin:0}
.detail .shot3 img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;display:block}
.detail .shot3 figcaption{text-align:center;font-size:13px;color:var(--ink);font-weight:700;margin-top:8px}

/* footer */
footer.site{background:#211d18;color:#cfc6b8;padding:60px 0 34px;margin-top:10px}
.fgrid{display:grid;grid-template-columns:1fr .9fr 1.2fr .9fr .9fr;gap:30px}
.fgrid h4{color:#fff;font-size:15px;margin:0 0 16px;font-weight:700}
.fgrid a{display:block;color:#b7ad9e;font-size:14px;padding:5px 0}
.fgrid a:hover{color:#fff}
.fgrid p{margin:0 0 8px;font-size:14px;color:#b7ad9e}
.flogo{font-size:20px;font-weight:800;margin-bottom:14px}
.flogo .ink{color:#fff} .flogo .acc{color:var(--accent)}
.fbottom{border-top:1px solid #3a332b;margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:13px;color:#8f867a}
.fbottom a{color:#b7ad9e}

@media(max-width:920px){
  .qgrid{grid-template-columns:repeat(2,1fr)} .steps,.cgrid{grid-template-columns:1fr}
  .collage{grid-template-columns:1fr} .collage .big,.collage .mini{height:300px}
  .fgrid{grid-template-columns:1fr 1fr}
  .menu{display:none} .hero .brand{font-size:38px}
}

/* 모바일 전용 하단 상담바 (PC는 그대로 유지, 노출 안 함) */
.mbar{display:none}
@media(max-width:760px){
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;height:60px;
    box-shadow:0 -2px 14px rgba(20,18,15,.12)}
  .mbar a{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
    font-size:15px;font-weight:700;color:#fff}
  .mbar .m-call{background:#3c352d}
  .mbar .m-consult{background:var(--accent)}
  body{padding-bottom:60px}
}