/* 화강석버너 · split 테마 · C27 Stone Gray 팔레트 (#54534A / #9A7B4F) */
@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-display: swap;
}
:root{
  --primary:#54534A;
  --accent:#9A7B4F;
  --ink:#25251F;
  --sub:#6C6B62;
  --line:#DDDDD6;
  --bg:#F7F7F5;
  --bg-sub:#EAEAE6;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
  color:var(--ink);
  background:var(--bg);
  margin:0;
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.prose{max-width:68ch}
.eyebrow{
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:700;
}
.hairline{border-top:1px solid var(--line)}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:96px 0}}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* Header */
#site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(247,247,245,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
#site-header .row{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 22px;font-weight:700;font-size:.92rem;
  border-radius:2px;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:var(--bg)}
.btn-primary:hover{background:#403F38}
.btn-light{background:var(--bg);color:var(--primary)}
.btn-light:hover{background:var(--bg-sub)}
.btn-outline{border-color:var(--bg);color:var(--bg)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary)}

/* Hero split */
.hero-split{margin-top:68px;display:grid;grid-template-columns:1fr;min-height:520px}
@media(min-width:900px){.hero-split{grid-template-columns:1fr 1fr;min-height:600px}}
.hero-split.reverse{direction:rtl}
.hero-split.reverse > *{direction:ltr}
.hero-color{background:var(--primary);color:var(--bg);display:flex;flex-direction:column;justify-content:center;padding:56px 28px}
@media(min-width:900px){.hero-color{padding:56px 64px}}
.hero-color h1{font-size:2rem;font-weight:800;line-height:1.25;margin:14px 0 18px}
@media(min-width:768px){.hero-color h1{font-size:2.6rem}}
.hero-color p{color:rgba(247,247,245,.78);font-size:1rem;line-height:1.7;margin-bottom:28px}
.hero-color .btn-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-media{position:relative;min-height:280px;background:var(--primary)}
.hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:0;transition:opacity .8s ease}
.hero-media img.active{opacity:1}
.hero-media::after{content:'';position:absolute;left:0;right:0;bottom:0;height:45%;background:linear-gradient(to top, rgba(0,0,0,.35), transparent)}

/* Hero H5 (마키형, 메인 페이지 전용) */
.hero-marquee{margin-top:68px;height:100vh;height:100svh;display:flex;flex-direction:column}
.hero-marquee-top{height:60%;overflow:hidden;position:relative;background:var(--primary)}
.marquee-track{display:flex;height:100%;width:max-content;animation:hero-marquee-scroll 40s linear infinite}
.hero-marquee-top:hover .marquee-track{animation-play-state:paused}
.marquee-track img{height:100%;width:auto;object-fit:cover;flex:0 0 auto}
@keyframes hero-marquee-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.hero-marquee-bottom{height:40%;background:var(--primary);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px 20px}
@media(max-width:767px){
  .hero-marquee-top{height:42%}
  .hero-marquee-bottom{height:58%}
}
.hero-marquee-bottom h1{font-size:1.8rem;font-weight:800;line-height:1.25;margin:10px 0 12px;color:var(--bg)}
@media(min-width:768px){.hero-marquee-bottom h1{font-size:2.6rem}}
.hero-marquee-bottom p{color:rgba(247,247,245,.78);font-size:1rem;line-height:1.7;margin:0 0 24px;max-width:56ch}

/* grids fixed columns (no auto-fit) */
.grid-3{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr);gap:24px}}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:900px){.grid-2{gap:24px}}
/* 3개짜리 그리드는 모바일 1열(세로) 고정 */
.grid-1-3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:900px){.grid-1-3{grid-template-columns:repeat(3,1fr);gap:24px}}
/* 4개짜리 그리드: 모바일 2열 / PC 4열 */
.grid-2-4{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:600px){.grid-2-4{grid-template-columns:repeat(2,1fr);gap:16px}}
@media(min-width:900px){.grid-2-4{grid-template-columns:repeat(4,1fr);gap:20px}}

.card{border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--bg)}
.card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--bg-sub)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .thumb img{transform:scale(1.04)}
.card .body{padding:16px}
.card h3{font-size:1rem;font-weight:700;margin:0 0 6px}
.card p{font-size:.85rem;color:var(--sub);margin:0;line-height:1.55}

.num{font-family:'Pretendard';font-weight:800;color:var(--accent);font-size:.85rem;letter-spacing:.05em}

h2.section-title{font-size:1.6rem;font-weight:800;margin:6px 0 12px}
@media(min-width:768px){h2.section-title{font-size:2rem}}
.section-lead{color:var(--sub);font-size:.98rem;line-height:1.8;margin-bottom:36px}

/* gallery */
.gallery-card{cursor:pointer}
.gallery-card figcaption{padding:12px 4px 0;font-size:.85rem;color:var(--sub)}

/* before/after gallery (전/후) */
.grid-ba{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:900px){.grid-ba{grid-template-columns:repeat(2,1fr);gap:24px}}
.ba-card{border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--bg)}
.ba-imgs{display:grid;grid-template-columns:1fr 1fr}
.ba-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-sub);cursor:pointer}
.ba-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ba-thumb:hover img{transform:scale(1.04)}
.ba-tag{position:absolute;top:8px;left:8px;background:var(--accent);color:var(--bg);font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:2px;letter-spacing:.05em}
.ba-cap{padding:12px 14px;font-size:.85rem;color:var(--sub);margin:0}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:700;font-size:.98rem}
.faq-q .plus{font-size:1.3rem;color:var(--accent);transition:transform .2s}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 4px 20px;color:var(--sub);line-height:1.75;font-size:.92rem;margin:0}

/* CTA + footer flush */
.cta-section{background:var(--accent);color:var(--bg);text-align:center;padding:72px 20px;margin-bottom:0}
.cta-section h2{font-size:1.5rem;font-weight:800;margin:0 0 12px}
@media(min-width:768px){.cta-section h2{font-size:1.9rem}}
.cta-section p{color:rgba(247,247,245,.78);margin:0 0 28px}

footer{background:var(--ink);color:rgba(247,247,245,.78);padding:56px 20px 28px;margin-top:0}
footer .cols{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){footer .cols{grid-template-columns:1.2fr 1fr 1fr}}
footer h4{color:var(--bg);font-size:.85rem;letter-spacing:.05em;margin:0 0 14px}
footer a{display:block;padding:6px 0;font-size:.88rem;color:rgba(247,247,245,.78)}
footer a:hover{color:var(--bg)}
footer .brand{color:var(--bg)}
footer .bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:.78rem;color:rgba(247,247,245,.55)}

/* floating */
#floating{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
#floating .fab{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--primary);color:var(--bg);box-shadow:0 6px 18px rgba(0,0,0,.25);cursor:pointer;border:0}
#fab-top{display:none;background:var(--bg);color:var(--primary);border:1px solid var(--line)}

/* lightbox */
#lightbox{position:fixed;inset:0;background:rgba(10,12,15,.92);z-index:100;display:none;align-items:center;justify-content:center;padding:24px}
#lightbox.open{display:flex}
#lightbox img{max-width:100%;max-height:90vh;object-fit:contain}
#lightbox-close{position:absolute;top:20px;right:24px;color:var(--bg);font-size:2rem;background:none;border:0;cursor:pointer}

/* sitemap page */
.sm-chip{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:2px;font-size:.85rem;margin:4px}