/* ==========================================================================
   미담 (주방덕트교체) — editorial theme
   제목: Nanum Myeongjo / 본문: Pretendard / 각짐 + hairline 구분 + 절제된 틴트
   Primary #23313C(스틸그레이) / Accent #E08A2E(앰버)
   ========================================================================== */

:root{
  --c-primary:#23313C;
  --c-primary-d:#182229;
  --c-accent:#E08A2E;
  --c-accent-soft:#F0C08A;
  --c-bg:#FFFFFF;
  --c-tint:#F5F7F8;
  --c-tint2:#EAEFF1;
  --c-ink:#1B2429;
  --c-sub:#54626B;
  --c-muted:#8A97A0;
  --c-line:#DDE3E6;

  --font-head:'Nanum Myeongjo',serif;
  --font-body:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,sans-serif;

  --radius:2px;
  --maxw:1180px;
  --gutter:clamp(20px,4vw,40px);
  --sec-pad:clamp(64px,9vw,112px);
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit;}

body{
  font-family:var(--font-body);
  color:var(--c-ink);
  background:var(--c-bg);
  line-height:1.7;
  word-break:keep-all;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:800;
  font-style:normal;
  color:var(--c-primary);
  line-height:1.35;
  word-break:keep-all;
  overflow-wrap:break-word;
}
h1{font-size:clamp(2.1rem,5vw,3.4rem);}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);}
h3{font-size:clamp(1.05rem,1.6vw,1.25rem);}
p{word-break:keep-all;overflow-wrap:break-word;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
.sec{padding:var(--sec-pad) 0;}
.sec--tint{background:var(--c-tint);}
.sec--top-line{border-top:1px solid var(--c-line);}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-body);font-size:.72rem;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--c-accent);
  margin-bottom:14px;
}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--c-accent);}

.section-head{max-width:640px;margin:0 auto 48px;text-align:center;}
.section-head__desc{color:var(--c-sub);margin-top:12px;font-size:1rem;}

/* ── 버튼 ── */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 30px;min-height:52px;
  font-weight:700;font-size:.95rem;
  border:1px solid var(--c-primary);border-radius:var(--radius);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn::after{content:'\2192';transition:transform .25s var(--ease);}
.btn:hover::after{transform:translateX(4px);}
.btn--solid{background:var(--c-primary);color:#fff;}
.btn--solid:hover{background:var(--c-accent);border-color:var(--c-accent);}
.btn--outline{background:transparent;color:var(--c-primary);}
.btn--outline:hover{background:var(--c-primary);color:#fff;}
.btn--ghost{border-color:var(--c-line);color:var(--c-sub);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}

/* ── 헤더 ── */
.site-header{
  position:sticky;top:0;z-index:50;
  border-bottom:1px solid var(--c-line);
}
.site-header::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.site-header__inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  height:72px;display:flex;align-items:center;justify-content:space-between;
}
.site-logo{font-family:var(--font-head);font-weight:800;font-size:1.3rem;color:var(--c-primary);display:flex;align-items:center;gap:8px;}
.site-logo__mark{flex:0 0 auto;}
.site-logo__sub{font-family:var(--font-body);font-size:.66rem;font-weight:600;letter-spacing:.06em;color:var(--c-muted);}
.site-nav{display:flex;align-items:center;gap:28px;}
.site-nav a{font-size:.9rem;font-weight:600;color:var(--c-ink);position:relative;padding:4px 0;}
.site-nav a.is-active{color:var(--c-accent);}
.site-nav a:not(.site-nav__cta)::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);}
.site-nav a:not(.site-nav__cta):hover::after,.site-nav a.is-active::after{transform:scaleX(1);}
.site-nav .site-nav__cta{background:var(--c-primary);color:#fff !important;padding:10px 22px;border-radius:var(--radius);font-weight:700;}
.site-nav .site-nav__cta:hover{background:var(--c-accent);}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;}
.nav-burger span{width:24px;height:2px;background:var(--c-primary);}

@media(max-width:900px){
  .site-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;background:#fff;
    flex-direction:column;align-items:flex-start;padding:32px var(--gutter);gap:22px;
    transform:translateX(100%);transition:transform .3s var(--ease);overflow-y:auto;
  }
  .nav-toggle:checked ~ .site-nav{transform:translateX(0);}
  .site-nav a{font-size:1.05rem;}
  .site-nav__cta{margin-top:6px;}
  .nav-burger{display:flex;}
}

/* ── 메인 히어로(card_top) ── */
.hero-main{padding:56px 0 var(--sec-pad);}
.hero-main__intro{max-width:720px;margin:0 auto 44px;text-align:center;}
.hero-main__lede{color:var(--c-sub);margin-top:18px;font-size:1.05rem;}

/* ── 카드 그리드(서비스/관련, 6개 고정) ── */
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--c-line);border:1px solid var(--c-line);margin-top:8px;
}
@media(max-width:768px){.card-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:480px){.card-grid{grid-template-columns:1fr;}}

.s-card{
  background:#fff;padding:36px 28px;display:flex;flex-direction:column;gap:8px;
  position:relative;overflow:hidden;
}
.s-card__img{display:block;margin:-36px -28px 4px;aspect-ratio:4/3;overflow:hidden;background:var(--c-tint);}
.s-card__img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.s-card:hover .s-card__img img{transform:scale(1.05);}
.s-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);}
.s-card:hover::before{transform:scaleX(1);}
.s-card:hover{background:var(--c-tint);transform:translateY(-4px);}
.s-card{transition:background .3s var(--ease),transform .3s var(--ease);}
.s-card__num{font-family:var(--font-head);font-size:.9rem;color:var(--c-accent);font-weight:700;}
.s-card__badge{font-size:.72rem;font-weight:700;color:var(--c-muted);letter-spacing:.03em;}
.s-card h3{margin-top:2px;}
.s-card p{color:var(--c-sub);font-size:.9rem;flex:1;}
.s-card__more{font-size:.82rem;font-weight:700;color:var(--c-primary);margin-top:6px;}

/* ── 큰 사진 히어로 배너(대표컷 단일 사진, single_photo 정책) — 텍스트는 shadow로 가독성 확보 ── */
.hero-photo{position:relative;height:clamp(340px,50vw,540px);overflow:hidden;}
.hero-photo img{width:100%;height:100%;object-fit:cover;}
.hero-photo__scrim{position:absolute;inset:0;background:linear-gradient(to top, rgba(15,20,24,.6) 0%, rgba(15,20,24,0) 58%);}
.hero-photo__copy{position:absolute;left:0;bottom:0;padding:44px var(--gutter);color:#fff;max-width:640px;}
.hero-photo__copy .eyebrow{color:var(--c-accent-soft);}
.hero-photo__copy .eyebrow::before{background:var(--c-accent-soft);}
.hero-photo__copy h2{color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.55),0 1px 3px rgba(0,0,0,.6);}
.hero-photo__copy p{color:#EAF0F2;text-shadow:0 1px 6px rgba(0,0,0,.5);margin-top:14px;font-size:1rem;max-width:520px;}

/* ── 서브 히어로 ── */
.hero-sub{padding:64px 0 56px;text-align:center;border-bottom:1px solid var(--c-line);background:var(--c-tint);}
.hero-sub__inner{max-width:680px;margin:0 auto;}
.hero-sub__lede{color:var(--c-sub);margin-top:16px;font-size:1rem;}
.hero-sub__actions{display:flex;gap:14px;justify-content:center;margin-top:30px;flex-wrap:wrap;}

/* ── about / 서비스 개요 2단 (대표사진 1장) ── */
.about-block{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-block__media img{border:1px solid var(--c-line);width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.about-block__list{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.about-block__list li{display:flex;gap:10px;font-size:.92rem;color:var(--c-ink);align-items:flex-start;}
.about-block__list li::before{content:'\2014';color:var(--c-accent);font-weight:700;}
@media(max-width:860px){.about-block{grid-template-columns:1fr;gap:32px;}.about-block__media{order:-1;}}

/* ── 프로세스 단계 ── */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--c-line);border-left:1px solid var(--c-line);}
.process-step{padding:32px 26px;border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.process-step__n{font-family:var(--font-head);font-size:1.8rem;color:var(--c-accent-soft);font-weight:800;}
.process-step h3{margin-top:10px;}
.process-step p{color:var(--c-sub);font-size:.9rem;margin-top:8px;}
@media(max-width:900px){.process-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:480px){.process-grid{grid-template-columns:1fr;}}

/* ── FAQ 아코디언(native details) ── */
.faq-list{max-width:800px;margin:0 auto;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{padding:20px 4px;cursor:pointer;font-weight:700;font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';font-family:var(--font-head);font-size:1.3rem;color:var(--c-accent);transition:transform .25s var(--ease);flex:none;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item__a{padding:0 4px 22px;color:var(--c-sub);font-size:.92rem;max-width:680px;}

/* ── CTA 배너 (Footer와 margin 0으로 접촉) ── */
.cta-band{background:var(--c-primary);color:#fff;padding:var(--sec-pad) 0;text-align:center;}
.cta-band h2{color:#fff;}
.cta-band p{color:#CBD5DA;margin-top:14px;max-width:520px;margin-left:auto;margin-right:auto;}
.cta-band .btn{margin-top:30px;}
.cta-band .btn--solid{background:var(--c-accent);border-color:var(--c-accent);}
.cta-band .btn--solid:hover{background:#fff;color:var(--c-primary);border-color:#fff;}

/* ── 시공 현장사진 갤러리(페이지당 4장, PC 4열 고정 한 줄 / 모바일 가로 스크롤 한 줄) ── */
.photo-gallery{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
}
.photo-gallery__item{
  display:block;width:100%;padding:0;border:1px solid var(--c-line);
  aspect-ratio:3/4;overflow:hidden;background:var(--c-tint);cursor:zoom-in;
}
.photo-gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.photo-gallery__item:hover img{transform:scale(1.06);}
@media(max-width:640px){
  .photo-gallery{
    display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding-bottom:6px;-webkit-overflow-scrolling:touch;
  }
  .photo-gallery__item{flex:0 0 auto;width:78vw;scroll-snap-align:start;}
}

/* ── 갤러리 라이트박스(순수 JS, assets/js/gallery-lightbox.js) ── */
.gallery-lightbox{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(15,20,24,.92);padding:24px;
}
.gallery-lightbox.is-open{display:flex;}
.gallery-lightbox img{max-width:min(92vw,900px);max-height:88vh;width:auto;height:auto;object-fit:contain;border:1px solid rgba(255,255,255,.15);}
.gallery-lightbox__close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;font-size:1.6rem;line-height:1;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.gallery-lightbox__close:hover{background:rgba(255,255,255,.2);}

/* ── 핵심 정보 요약 표(AEO — 절차/소요시간 등, 가격 없음) ── */
.quick-table{width:100%;max-width:640px;margin:32px auto 0;border-collapse:collapse;border:1px solid var(--c-line);}
.quick-table th,.quick-table td{padding:14px 18px;border-bottom:1px solid var(--c-line);text-align:left;font-size:.92rem;}
.quick-table th{width:36%;color:var(--c-muted);font-weight:700;background:var(--c-tint);}
.quick-table tr:last-child th,.quick-table tr:last-child td{border-bottom:0;}


/* ── 푸터 ── */
.site-footer{background:var(--c-tint);border-top:1px solid var(--c-line);margin:0;}
.site-footer__inner{max-width:var(--maxw);margin:0 auto;padding:64px var(--gutter) 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer__logo{font-family:var(--font-head);font-size:1.4rem;font-weight:800;color:var(--c-primary);}
.site-footer__desc{margin-top:14px;color:var(--c-sub);font-size:.88rem;}
.site-footer__col h3{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--c-muted);margin-bottom:16px;font-family:var(--font-body);font-weight:700;}
.site-footer__col ul li{margin-bottom:10px;}
.site-footer__col a{font-size:.9rem;color:var(--c-ink);}
.site-footer__col a:hover{color:var(--c-accent);}
.site-footer__contact p{font-size:.88rem;color:var(--c-sub);margin-bottom:8px;}
.site-footer__bottom{border-top:1px solid var(--c-line);padding:20px var(--gutter);text-align:center;font-size:.8rem;color:var(--c-muted);}
@media(max-width:768px){.site-footer__inner{grid-template-columns:1fr;gap:32px;}}

/* ── 플로팅 버튼 ── */
.floating-actions{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.fab{display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.88rem;border-radius:var(--radius);}
.fab-consult{background:var(--c-primary);color:#fff;padding:14px 22px;border:1px solid var(--c-primary-d);}
.fab-consult:hover{background:var(--c-accent);border-color:var(--c-accent);}
.fab-top{width:46px;height:46px;background:#fff;border:1px solid var(--c-line);color:var(--c-primary);border-radius:50%;opacity:0;pointer-events:none;transform:translateY(8px);transition:all .25s var(--ease);}
.fab-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}

/* ── 상담 페이지: 전화/문자 카드 ── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--c-line);border:1px solid var(--c-line);max-width:820px;margin:0 auto;}
.contact-card{background:#fff;padding:44px 32px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;transition:background .3s var(--ease);}
.contact-card:hover{background:var(--c-tint);}
.contact-card__icon{width:52px;height:52px;border:1px solid var(--c-line);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:8px;color:var(--c-accent);font-size:1.3rem;}
.contact-card__label{font-family:var(--font-head);font-size:1.15rem;font-weight:800;color:var(--c-primary);}
.contact-card__value{font-size:1.05rem;font-weight:700;}
.contact-card__hint{font-size:.85rem;color:var(--c-sub);}
@media(max-width:640px){.contact-grid{grid-template-columns:1fr;}}

.info-list{max-width:640px;margin:0 auto;border-top:1px solid var(--c-line);}
.info-list li{display:flex;justify-content:space-between;gap:20px;padding:16px 4px;border-bottom:1px solid var(--c-line);font-size:.92rem;}
.info-list li span:first-child{color:var(--c-muted);font-weight:600;}

.trust-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:8px;}
.badge-pill{font-size:.78rem;font-weight:600;color:var(--c-primary);border:1px solid var(--c-line);padding:6px 14px;border-radius:var(--radius);background:var(--c-tint);}

/* ── 사람용 사이트맵: 조밀한 리스트/칩 형태, 사진 없음 ── */
.sitemap-group{max-width:820px;margin:0 auto 40px;}
.sitemap-group h2{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--c-muted);margin-bottom:14px;font-family:var(--font-body);font-weight:700;}
.sitemap-chips{display:flex;flex-wrap:wrap;gap:8px;}
.sitemap-chips li a{display:inline-block;font-size:.86rem;font-weight:600;color:var(--c-ink);border:1px solid var(--c-line);padding:8px 16px;border-radius:var(--radius);transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.sitemap-chips li a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}