:root{
  --primary:#4A4038;--accent:#C9713A;--secondary:#8C7A6B;
  --bg:#FAF8F6;--text:#2E2A26;--lightBg:#FFFFFF;
  --font-heading:'Pretendard Variable',sans-serif;--font-body:'Noto Sans KR',sans-serif;
  --h1-size:3.2rem;--h1-weight:700;--hero-height:100vh;
  --cta-bg:linear-gradient(135deg,#4A4038,#C9713A);
  --radius:14px;--shadow:0 10px 30px rgba(0,0,0,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.65;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-heading)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1160px;margin:0 auto;padding:0 20px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:color-mix(in srgb,var(--primary) 12%,white);color:var(--primary);font-weight:700;font-size:.82rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:10px;font-weight:700;font-size:.95rem;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px color-mix(in srgb,var(--primary) 40%,transparent)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:color-mix(in srgb,var(--primary) 6%,white)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px color-mix(in srgb,var(--accent) 40%,transparent)}
.btn-accent:hover{transform:translateY(-2px)}

/* ===== Header variants ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;border-bottom:1px solid rgba(0,0,0,.06);transition:background .2s}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:1.3rem;font-weight:900;letter-spacing:-.5px}
.logo span{color:var(--accent)}
.nav-menu{display:flex;gap:26px;align-items:center}
.nav-menu a{font-weight:600;font-size:.92rem}
.nav-menu a:hover{color:var(--accent)}
.header-cta{display:flex;align-items:center;gap:14px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{width:24px;height:2px;background:currentColor}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;bottom:0;background:#fff;z-index:999;padding:30px 20px;flex-direction:column;gap:4px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:16px 4px;border-bottom:1px solid #eee;font-weight:700;font-size:1.05rem;color:var(--text)}

.header-glass{background:rgba(255,255,255,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--text)}
.header-glass .logo{color:var(--text)}
.header-solid{background:var(--primary);color:#fff;border-bottom-color:transparent}
.header-solid .logo{color:#fff}
.header-solid .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.header-minimal{background:#fff;color:var(--text);border-bottom:2px solid var(--primary)}
.header-accent{background:var(--lightBg);color:var(--text);border-bottom:3px solid var(--accent)}
.header-light{background:color-mix(in srgb,var(--primary) 8%,white);color:var(--text);border-bottom-color:transparent}

@media(max-width:860px){
  .nav-menu{display:none}
  .hamburger{display:flex}
  .header-cta .btn-outline{display:none}
}

.breadcrumb{padding:14px 0;font-size:.82rem;opacity:.55}
.breadcrumb a:hover{color:var(--accent)}

/* ===== Hero variants ===== */
.hero-wrap{position:relative;overflow:hidden;color:#fff}
.hero-wrap h1{font-size:var(--h1-size);font-weight:var(--h1-weight);line-height:1.2;margin:16px 0 14px;letter-spacing:-1px}
.hero-wrap p{font-size:1.05rem;color:rgba(255,255,255,.85);margin-bottom:28px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* 히어로 슬라이더 공통: 각 스타일의 이미지 영역에 후(after) 사진 여러 장을 크로스페이드로 노출 */
.hero-slide-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;animation:heroCrossfade var(--hero-slide-total,15s) infinite}
@keyframes heroCrossfade{0%{opacity:0}4%{opacity:1}29%{opacity:1}33%{opacity:0}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.hero-slide-img{animation:none;opacity:0}.hero-slide-img:first-child{opacity:1}}

/* 1. professional-overlay: 100vh, 사진 + 다크 그라데이션 오버레이 */
.hero-professional{height:var(--hero-height);min-height:520px;display:flex;align-items:center;position:relative}
.hero-professional .hero-bg{position:absolute;inset:0;z-index:0}
.hero-professional::after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(160deg,rgba(0,0,0,.55) 0%,color-mix(in srgb,var(--primary) 80%,black) 88%)}
.hero-professional .inner{position:relative;z-index:2;max-width:720px}

/* 2. split-layout: 이미지 좌측 50 / 텍스트 우측 50 */
.hero-split{height:auto;min-height:var(--hero-height);display:flex;flex-wrap:wrap;background:var(--primary)}
.hero-split .split-img{flex:1 1 50%;min-height:320px;position:relative;overflow:hidden}
.hero-split .split-text{flex:1 1 50%;display:flex;align-items:center;padding:60px 40px}
@media(max-width:760px){.hero-split{flex-direction:column}.hero-split .split-img{order:1;min-height:240px}.hero-split .split-text{order:2}}

/* 3. diagonal-cut: 대각선 이미지 패널, 텍스트 좌측 하단 */
.hero-diagonal{height:var(--hero-height);min-height:480px;position:relative;display:flex;align-items:flex-end;background:var(--primary)}
.hero-diagonal .diag-img{position:absolute;top:0;right:0;width:62%;height:100%;overflow:hidden;clip-path:polygon(18% 0,100% 0,100% 100%,0 100%)}
.hero-diagonal .diag-img::after{content:'';position:absolute;inset:0;background:color-mix(in srgb,var(--primary) 35%,transparent);z-index:1}
.hero-diagonal .inner{position:relative;z-index:2;padding-bottom:60px;max-width:520px}

/* 4. image-dominant: 풀스크린 이미지, 중앙 오버레이 텍스트 */
.hero-dominant{height:var(--hero-height);min-height:520px;display:flex;align-items:center;justify-content:center;text-align:center;position:relative}
.hero-dominant .dom-img{position:absolute;inset:0;overflow:hidden}
.hero-dominant .dom-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.4),color-mix(in srgb,var(--primary) 78%,black) 92%)}
.hero-dominant .inner{position:relative;z-index:2;max-width:640px;display:flex;flex-direction:column;align-items:center}
.hero-dominant .hero-cta{justify-content:center}

/* 5. motion-photo: 느린 Ken Burns 확대 슬라이더 (영상 대체) */
.hero-motion{height:var(--hero-height);min-height:480px;display:flex;align-items:center;position:relative;overflow:hidden}
.hero-motion .mo-img{position:absolute;inset:0}
.hero-motion .mo-img .hero-slide-img{animation:heroCrossfade var(--hero-slide-total,15s) infinite,kenburns var(--hero-slide-total,15s) ease-in-out infinite}
.hero-motion .mo-overlay{position:absolute;inset:0;background:color-mix(in srgb,var(--primary) 50%,transparent)}
.hero-motion .inner{position:relative;z-index:2;max-width:620px}
@keyframes kenburns{0%{transform:scale(1)}50%{transform:scale(1.1)}100%{transform:scale(1)}}
@media(prefers-reduced-motion:reduce){.hero-motion .hero-slide-img{animation:none}}

/* 6. split-asymmetric: 텍스트 좌측 40%, 이미지 우측 60% */
.hero-asymmetric{height:auto;min-height:var(--hero-height);display:flex;flex-wrap:wrap;background:var(--primary)}
.hero-asymmetric .asy-text{flex:1 1 40%;display:flex;align-items:center;padding:60px 40px}
.hero-asymmetric .asy-img{flex:1 1 60%;min-height:320px;position:relative;overflow:hidden}
@media(max-width:760px){.hero-asymmetric{flex-direction:column}.hero-asymmetric .asy-img{order:1;min-height:240px}.hero-asymmetric .asy-text{order:2}}

section{padding:80px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 46px}
.section-head h2{font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:900;margin:14px 0 12px}
.section-head p{opacity:.7}

/* ===== Hover effect variants (applied to .hoverable) ===== */
.hoverable{transition:transform .3s,box-shadow .3s,background .3s,border-color .3s}
.hov-lift:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(0,0,0,.16)}
.hov-border{border:2px solid transparent}
.hov-border:hover{border-color:var(--primary);transform:translateY(-3px)}
.hov-colorchange:hover{background:var(--primary);color:#fff;transform:scale(1.02)}
.hov-colorchange:hover *{color:#fff}
.hov-overlay{position:relative;overflow:hidden}
.hov-overlay .reveal{position:absolute;inset:0;background:color-mix(in srgb,var(--primary) 88%,transparent);opacity:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;transition:opacity .3s;text-align:center;padding:16px}
.hov-overlay:hover .reveal{opacity:1}
.hov-slide:hover{transform:translateX(8px);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.hov-glow{border:2px solid transparent}
.hov-glow:hover{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 20%,transparent),0 0 20px color-mix(in srgb,var(--accent) 40%,transparent)}

/* 시공사례 카드 */
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.case-grid.one-row{grid-template-columns:repeat(5,1fr);gap:16px}
@media(max-width:900px){.case-grid.one-row{grid-auto-flow:column;grid-auto-columns:75%;grid-template-columns:none;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory}.case-grid.one-row .case-card{scroll-snap-align:start}}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.case-card .thumb{aspect-ratio:4/3;overflow:hidden;background:#eee}
.case-card .thumb img{width:100%;height:100%;object-fit:cover}
.case-card .body{padding:20px}
.case-card .tag{display:inline-block;font-size:.75rem;font-weight:700;color:var(--primary);background:color-mix(in srgb,var(--primary) 10%,white);padding:4px 10px;border-radius:999px;margin-bottom:10px}
.case-card h3{margin:0 0 8px;font-size:1.1rem}
.case-card p{margin:0;font-size:.88rem;opacity:.7}

/* 서비스 그리드 */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:22px}
.service-card{display:block;background:var(--lightBg);border-radius:var(--radius);padding:30px 24px;border:1px solid rgba(0,0,0,.06)}
.service-card h3{margin:0 0 8px;font-size:1.05rem}
.service-card p{margin:0;font-size:.86rem;opacity:.7}
@media(max-width:860px){.service-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.service-grid{grid-template-columns:1fr}}

/* 통계 카운터 */
.stats-section{background:color-mix(in srgb,var(--primary) 92%,black);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.stats-grid .num{font-size:2.2rem;font-weight:900}
.stats-grid .label{color:rgba(255,255,255,.7);font-size:.88rem;margin-top:6px}
@media(max-width:600px){.stats-grid{grid-template-columns:1fr}}

/* 리즌 카드 슬라이더 (테스티모니얼 대체 — 실제 후기 데이터 없어 서비스 강점 카드로 구성) */
.reason-slider{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}
.reason-card{flex:0 0 280px;scroll-snap-align:start;background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.reason-card .q{font-size:1.6rem;color:var(--accent);font-weight:900}
.reason-card p{font-size:.92rem;opacity:.8}
.reason-card .who{margin-top:14px;font-weight:700;font-size:.85rem;color:var(--primary)}

/* ===== 파생 페이지 섹션 컴포넌트 ===== */

/* 전(before)/후(after) 라벨 태그 */
.ba-tag{position:absolute;top:8px;left:8px;background:rgba(20,20,20,.68);color:#fff;font-size:.72rem;font-weight:700;padding:3px 11px;border-radius:999px;z-index:2;letter-spacing:.5px}
.ba-tag.after{background:var(--primary)}

.ba-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px}
.ba-grid .ph{position:relative;aspect-ratio:3/4;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#eee}
.ba-grid .ph img{width:100%;height:100%;object-fit:cover}

/* 번호 스텝 리스트 */
.steps-list{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;padding:20px;border-radius:12px;box-shadow:var(--shadow)}
.step-item .n{flex:0 0 40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.step-item h4{margin:0 0 6px}
.step-item p{margin:0;font-size:.9rem;opacity:.75}

/* 유형 소개 그리드 (5개 이상 아이템에도 자동 반응) */
.type-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px}
.type-card{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:var(--radius);padding:26px 20px;text-align:center;box-shadow:var(--shadow)}
.type-card h4{margin:0 0 8px;font-size:1rem}
.type-card p{margin:0;font-size:.85rem;opacity:.7}

/* 체크리스트 */
.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.check-item{display:flex;gap:12px;align-items:flex-start;background:var(--lightBg);border-radius:12px;padding:18px 20px}
.check-item .mark{flex:0 0 24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800}
.check-item p{margin:0;font-size:.88rem;opacity:.8}

/* 비교 테이블 */
.compare-scroll{overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;min-width:480px}
.compare-table th,.compare-table td{padding:14px 18px;border:1px solid rgba(0,0,0,.08);text-align:left;font-size:.92rem}
.compare-table th{background:var(--primary);color:#fff}
.compare-table tr:nth-child(even) td{background:rgba(0,0,0,.02)}

/* SEO 본문 */
.seo-copy{max-width:760px;margin:0 auto}
.seo-copy p{margin-bottom:18px;opacity:.8;font-size:1rem}
.info-box{background:var(--lightBg);border-left:4px solid var(--primary);padding:20px 24px;border-radius:8px;margin:26px 0}

/* 관련 페이지 */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.related-card{background:#fff;border:1px solid rgba(0,0,0,.1);border-radius:12px;padding:20px}
.related-card h4{margin:0 0 6px;font-size:.96rem}
.related-card p{margin:0;font-size:.8rem;opacity:.6}

/* CTA */
.cta-section{position:relative;background:var(--cta-bg);color:#fff;text-align:center}
.cta-section h2{font-size:clamp(1.6rem,3.6vw,2.3rem);font-weight:900;margin:0 0 14px}
.cta-section p{color:rgba(255,255,255,.85);margin-bottom:30px}
.cta-badges{display:flex;justify-content:center;gap:14px;margin-top:34px;flex-wrap:wrap}
.cta-badges span{background:rgba(255,255,255,.16);padding:8px 16px;border-radius:999px;font-size:.82rem;font-weight:700}

/* ===== Footer variants ===== */
.site-footer{color:rgba(255,255,255,.72);padding:60px 0 30px;font-size:.88rem}
.footer-dark{background:color-mix(in srgb,var(--primary) 78%,black)}
.footer-earth{background:var(--primary)}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px;margin-bottom:36px}
.footer-grid h4{color:#fff;font-size:.98rem;margin:0 0 16px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:10px}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:22px;font-size:.78rem;color:rgba(255,255,255,.5)}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr}}

/* Floating buttons */
.floating-wrap{position:fixed;right:20px;bottom:24px;z-index:1200;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.fab{width:58px;height:58px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 45%,transparent);position:relative}
.fab::before{content:'';position:absolute;inset:0;border-radius:50%;border:2px solid var(--accent);animation:pulse-ring 3s infinite}
.fab-top{width:46px;height:46px;background:#fff;color:var(--text);border:1px solid #ddd;font-size:1.2rem;box-shadow:var(--shadow);display:none}
.fab-top.show{display:flex}
@keyframes pulse-ring{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.6);opacity:0}}

/* 404 */
.error-page{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:150px 20px 60px}
.error-page .code{font-size:5rem;font-weight:900;color:var(--primary);line-height:1}

@media(max-width:760px){
  .service-grid,.case-grid{grid-template-columns:1fr 1fr}
  section{padding:56px 0}
}
@media(max-width:480px){
  .service-grid,.case-grid,.ba-grid{grid-template-columns:1fr}
}