/* ═══ 디자인 클론 출처 ═══
   참조: https://remodeling.kjibsuri.com/
   배경1~3: #ffffff(기본), #faf7f6(alt 섹션), #f5efed(카드 보더 톤)
   폰트: Pretendard Variable 800(제목) / 400(본문)
   카드: radius 2px, 1px solid 라인, 그리드 보더 콜랩스
   버튼: rounded-full(999px), 그라데이션 primary, hover translateY(-2px)
   레이아웃: 3~5열 grid, max-width 1280px, gap 0(보더 콜랩스) / 섹션 padding 112px→80px→56px
   헤더: 반투명 흰색 + blur(스펙 A-1/【2】① 고정규칙에 따라 frosted-glass 유지), 높이 72px
   배경패턴: 일반/alt 섹션 교차(#fff / #faf7f6)
   ═══════════════════════
   Primary 컬러: 파스텔 스틸블루 #A0C4D8 (팔레트 랜덤 선정)
*/
:root{
  --primary: #A0C4D8;
  --primary-2: #82AFC8;
  --accent-deep: #5D8AA6;
  --on-primary: #2d2d2d;
  --surf: #faf7f6;
  --surf-2: #f5efed;
  --border: #e6e2df;
  --text: #2d2d2d;
  --text-muted: #767070;
  --footer-bg: #1e2530;
  --card-radius: 14px;
  --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,.14);
  --ff: 'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);color:var(--text);background:#fff;
  line-height:1.7;word-break:keep-all;overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;letter-spacing:-.01em;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.02em}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
.section{padding:100px 0}
.section.alt{background:var(--surf)}
@media(max-width:880px){.section{padding:72px 0}}
@media(max-width:560px){.section{padding:52px 0}}

.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-label{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.12em;color:var(--accent-deep);background:var(--surf-2);padding:.3rem .8rem;border-radius:var(--r-pill);margin-bottom:14px;text-transform:uppercase}
.section-head h1,.section-head h2{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800}
.section-sub{margin-top:12px;color:var(--text-muted);font-size:1rem}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--r-pill);font-weight:700;font-size:.95rem;border:1.5px solid transparent;transition:transform .15s,box-shadow .2s,background .2s,color .2s,border-color .2s}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:var(--on-primary);box-shadow:0 10px 24px -8px rgba(93,138,166,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(93,138,166,.55)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost{background:#fff;color:var(--accent-deep);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--accent-deep)}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-sm)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:inline-flex;align-items:center;gap:8px;font-size:1.15rem;font-weight:800;color:var(--on-primary,#2d2d2d);white-space:nowrap}
.nav-menu{display:flex;gap:26px;align-items:center}
.nav-menu a{font-size:.92rem;font-weight:600;color:var(--text)}
.nav-menu a:hover{color:var(--accent-deep)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--r-pill);background:var(--primary);color:var(--on-primary);font-weight:700;font-size:.88rem}
.nav-right{display:flex;align-items:center;gap:16px}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px}
.hamburger span{width:22px;height:2px;background:var(--text)}
@media(max-width:860px){
  .nav-menu,.nav-cta-desktop{display:none}
  .hamburger{display:flex}
}
.mobile-drawer{position:fixed;inset:0;z-index:80;visibility:hidden}
.mobile-drawer.open{visibility:visible}
.mobile-drawer .backdrop{position:absolute;inset:0;background:rgba(0,0,0,.4);opacity:0;transition:opacity .2s}
.mobile-drawer.open .backdrop{opacity:1}
.mobile-drawer .panel{position:absolute;top:0;right:0;bottom:0;width:min(300px,82%);background:#fff;padding:22px 20px;display:flex;flex-direction:column;gap:6px;transform:translateX(100%);transition:transform .25s}
.mobile-drawer.open .panel{transform:translateX(0)}
.mobile-drawer a{display:block;padding:14px 4px;font-weight:700;border-bottom:1px solid var(--border)}
.drawer-close{align-self:flex-end;font-size:1.4rem;padding:6px;color:var(--text-muted)}

/* Hero Overlay */
.hero{position:relative;min-height:640px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero .hero-bg::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.40)}
.hero-inner{position:relative;z-index:2;text-align:center;width:100%}
.hero-inner h2{font-size:clamp(1.9rem,4.6vw,3.2rem);font-weight:800;text-shadow:0 2px 16px rgba(0,0,0,.45)}
.hero-inner .hero-desc{margin-top:16px;font-size:1.05rem;font-weight:400;text-shadow:0 1px 8px rgba(0,0,0,.5);opacity:.95}
.hero-stats{display:flex;justify-content:center;gap:36px;margin-top:36px;flex-wrap:wrap}
.hero-stats .stat{text-align:center}
.hero-stats .stat b{display:block;font-size:1.7rem;font-weight:800}
.hero-stats .stat span{font-size:.8rem;opacity:.85}
.hero-btns{display:flex;justify-content:center;gap:12px;margin-top:34px;flex-wrap:wrap}
@media(max-width:560px){.hero{min-height:520px}}

/* 【3】 시공사례 카드 그리드 CSS 규칙 — 고정 규칙 (원문 유지) */
.portfolio-section{max-width:1200px;margin:0 auto;padding:0 1rem}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
@media(max-width:1024px){.portfolio-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.portfolio-grid{grid-template-columns:1fr}}
.portfolio-card{border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;transition:all .3s ease;cursor:pointer;text-decoration:none;display:block;background:#fff}
.portfolio-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.14);border-color:var(--primary)}
.portfolio-card .card-thumb{aspect-ratio:4/3;overflow:hidden}
.portfolio-card .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.portfolio-card:hover .card-thumb img{transform:scale(1.05)}
.portfolio-card .card-body{padding:1.25rem;display:flex;flex-direction:column;gap:.5rem}
.card-badge{font-size:.65rem;font-weight:700;letter-spacing:.08em;background:var(--primary);color:var(--on-primary);display:inline-block;padding:.2rem .6rem;border-radius:.25rem;align-self:flex-start}
.card-title{font-weight:800;font-size:1rem;line-height:1.4;color:var(--text)}
.card-sub{font-weight:300;font-size:.875rem;color:var(--text-muted)}
.card-more{font-size:.875rem;font-weight:600;color:var(--text-muted);margin-top:.25rem;transition:color .3s ease}
.portfolio-card:hover .card-more{color:var(--accent-deep)}

/* 서비스 소개 섹션 */
.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
@media(max-width:1024px){.service-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.service-grid{grid-template-columns:repeat(2,1fr)}}
.service-card{border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;transition:all .3s ease;cursor:pointer;display:block;background:#fff}
.service-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.12);border-color:var(--primary)}
.service-thumb{aspect-ratio:3/4;overflow:hidden}
.service-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.service-card:hover .service-thumb img{transform:scale(1.04)}
.service-body{padding:1.1rem;display:flex;flex-direction:column;gap:.5rem}
.service-label{font-size:.68rem;font-weight:700;letter-spacing:.1em;color:var(--accent-deep);text-transform:uppercase}
.service-body h3{font-size:1rem;font-weight:800}
.service-body p{font-size:.84rem;font-weight:300;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.service-more{font-size:.82rem;font-weight:600;color:var(--text-muted);transition:color .3s}
.service-card:hover .service-more{color:var(--accent-deep)}

/* 프로세스 */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:760px){.process-grid{grid-template-columns:1fr;gap:20px}}
.process-step{text-align:center;padding:28px 18px;border:1px solid var(--border);border-radius:var(--card-radius);background:#fff}
.process-step .num{width:46px;height:46px;border-radius:50%;background:var(--primary);color:var(--on-primary);display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 16px;font-size:1.05rem}
.process-step h3{font-size:1.02rem;font-weight:800;margin-bottom:8px}
.process-step p{font-size:.88rem;color:var(--text-muted);font-weight:400}

/* 회사 소개 */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media(max-width:880px){.about-grid{grid-template-columns:1fr;gap:32px}}
.about-copy p{margin-bottom:16px;color:var(--text-muted);font-size:.98rem}
.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.about-stats .stat-box{border:1px solid var(--border);border-radius:var(--card-radius);padding:24px;text-align:center;background:var(--surf)}
.about-stats .stat-box b{display:block;font-size:2rem;font-weight:800;color:var(--accent-deep)}
.about-stats .stat-box span{font-size:.82rem;color:var(--text-muted)}

/* 서비스 지역 */
.areas-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:760px){.areas-grid{grid-template-columns:1fr}}
.area-card{border:1px solid var(--border);border-radius:var(--card-radius);padding:26px;background:#fff}
.area-card h3{font-size:1.05rem;font-weight:800;margin-bottom:12px}
.area-card ul{display:flex;flex-wrap:wrap;gap:8px}
.area-card li{font-size:.82rem;color:var(--text-muted);background:var(--surf-2);padding:5px 10px;border-radius:6px}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;background:#fff}
.faq-q{display:flex;align-items:center;gap:12px;padding:20px 22px;cursor:pointer;font-weight:700;font-size:.98rem}
.faq-q .q-num{color:var(--accent-deep);font-weight:800}
.faq-q .chev{margin-left:auto;transition:transform .25s;flex-shrink:0}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{padding:0 22px 20px;color:var(--text-muted);font-size:.92rem}

/* CTA 섹션 */
.cta-section{background:linear-gradient(135deg,var(--primary),var(--primary-2));padding:70px 0}
.cta-inner{text-align:center;color:var(--on-primary)}
.cta-inner h2{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:800}
.cta-inner p{margin-top:10px;opacity:.85}
.cta-badges{display:flex;justify-content:center;gap:28px;margin:32px 0;flex-wrap:wrap}
.cta-badges .badge{display:flex;align-items:center;gap:8px;font-size:.86rem;font-weight:700}
.cta-btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.cta-btns .btn-primary{background:#fff;color:var(--accent-deep)}
.cta-btns .btn-outline{border-color:rgba(45,45,45,.35);color:var(--on-primary)}
.cta-btns .btn-outline:hover{background:rgba(45,45,45,.08)}

/* Footer */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.82);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px;margin-bottom:36px}
@media(max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:#fff;font-size:.95rem;font-weight:800;margin-bottom:16px}
.footer-grid p{font-size:.85rem;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-grid li{padding:4px 0;font-size:.85rem}
.footer-grid a:hover{color:#fff}
.footer-legal{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;font-size:.76rem;color:rgba(255,255,255,.55);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* Floating 버튼 */
.floating-btns{position:fixed;right:20px;bottom:20px;z-index:70;display:flex;flex-direction:column-reverse;align-items:flex-end;gap:10px}
.floating-btns .fab-item{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-md);border-radius:var(--r-pill);padding:10px 16px 10px 12px;font-weight:700;font-size:.85rem;opacity:0;transform:translateY(8px) scale(.9);pointer-events:none;transition:opacity .2s,transform .2s}
.floating-btns.open .fab-item{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.floating-btns .fab-main{width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:var(--on-primary);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:transform .2s}
.floating-btns .fab-main:hover{transform:scale(1.06)}

/* 애니메이션 */
.fade-in-up{opacity:0;transform:translateY(30px);transition:.8s cubic-bezier(.16,1,.3,1)}
.fade-in-up.is-visible{opacity:1;transform:translateY(0)}

/* 공용 유틸 */
.back-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:#fff;font-size:.9rem}
.detail-hero{position:relative;min-height:360px;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.detail-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.detail-hero .hero-bg::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.5)}
.detail-hero-inner{position:relative;z-index:2;padding-bottom:36px;width:100%}
.detail-hero-inner h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.detail-hero-inner .sub{margin-top:8px;opacity:.9;font-size:.95rem}
.info-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;margin:-40px auto 0;max-width:1000px;position:relative;z-index:3;background:#fff}
@media(max-width:760px){.info-bar{grid-template-columns:repeat(2,1fr)}}
.info-bar .item{padding:20px;text-align:center;border-right:1px solid var(--border)}
.info-bar .item:last-child{border-right:0}
.info-bar .item b{display:block;font-size:.92rem;margin-top:4px}
.info-bar .item span{font-size:.74rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}
.prose{max-width:820px;margin:0 auto;color:var(--text-muted);font-size:.98rem}
.prose p{margin-bottom:18px}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:1000px;margin:0 auto}
@media(max-width:640px){.compare-grid{grid-template-columns:1fr}}
.compare-grid img{border-radius:var(--card-radius);aspect-ratio:4/3;object-fit:cover}
.summary-box{max-width:820px;margin:0 auto;background:var(--surf);border-left:4px solid var(--primary);border-radius:8px;padding:26px 30px}
.summary-box li{padding:6px 0;font-size:.94rem;color:var(--text)}
.related-links{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.related-links a{border:1px solid var(--border);border-radius:var(--r-pill);padding:10px 20px;font-weight:600;font-size:.88rem}
.related-links a:hover{border-color:var(--primary);color:var(--accent-deep)}

/* 지역 세부페이지 — 본문 패턴 A/B/C/D 공용 컴포넌트 */
.local-quote{border-left:4px solid var(--primary);background:var(--surf-2);border-radius:8px;margin:28px 0;padding:20px 24px;font-size:1rem;font-weight:600;color:var(--text);font-style:normal}
.compare-table{width:100%;max-width:820px;margin:0 auto;border-collapse:collapse;border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden}
.compare-table th,.compare-table td{padding:14px 18px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--border)}
.compare-table th{background:var(--surf-2);font-weight:800;color:var(--text)}
.compare-table td{color:var(--text-muted)}
.compare-table tr:last-child td{border-bottom:0}
.local-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1000px;margin:28px auto 0}
@media(max-width:760px){.local-gallery{grid-template-columns:repeat(2,1fr)}}
.local-gallery img{border-radius:var(--card-radius);aspect-ratio:4/3;object-fit:cover}

/* 사이트맵 페이지 */
.sitemap-search{max-width:520px;margin:0 auto 40px;display:flex;gap:10px}
.sitemap-search input{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:var(--r-pill);font-size:.92rem}
.sitemap-cats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.sitemap-cats button{padding:8px 18px;border:1px solid var(--border);border-radius:var(--r-pill);font-size:.85rem;font-weight:600}
.sitemap-cats button.active{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}
.sitemap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1024px){.sitemap-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.sitemap-grid{grid-template-columns:repeat(2,1fr)}}
.sitemap-card{border:1px solid var(--border);border-radius:var(--card-radius);padding:20px;font-weight:700;font-size:.9rem}
.sitemap-card:hover{border-color:var(--primary);color:var(--accent-deep)}