/* 집수리팩토리 타일부분교체 - 공통 스타일 */
:root{
  --bg:#ffffff;
  --bg-soft:#f7f5f1;
  --bg-alt:#eef1f4;
  --ink:#22303f;
  --ink-dark:#16202b;
  --text:#2b333b;
  --muted:#657081;
  --line:#e3e7ea;
  --accent:#c7a97e;
  --radius:14px;
  --shadow:0 10px 30px rgba(22,32,43,0.08);
  --maxw:1160px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  word-break:keep-all;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,p{margin:0;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.center{text-align:center;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.site-header .inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:700;color:var(--ink-dark);}
.brand svg{flex:none;}
.gnb{display:flex;flex-wrap:wrap;gap:6px;}
.gnb a{
  padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink);
}
.gnb a:hover{background:var(--bg-alt);}
.gnb a.call{background:var(--ink);color:#fff;}
.gnb a.call:hover{background:var(--ink-dark);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:16px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--ink-dark);}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--bg-alt);}
.btn-back{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:999px;border:1px solid var(--line);
  font-size:14px;color:var(--muted);background:#fff;cursor:pointer;
}
.btn-back:hover{background:var(--bg-alt);}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== Hero (4-image crossfade background) ===== */
.hero{
  position:relative;min-height:440px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;background:var(--bg-soft);
}
.hero-anim{position:absolute;inset:0;z-index:0;}
.hero-anim img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;
  animation:heroFade 20s infinite ease-in-out;
}
.hero-static{position:absolute;inset:0;z-index:0;}
.hero-static img{width:100%;height:100%;object-fit:cover;}
@keyframes heroFade{
  0%{opacity:0;} 3%{opacity:1;} 22%{opacity:1;} 27%{opacity:0;} 100%{opacity:0;}
}
.hero-copy{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:64px 20px;text-align:center;}
.badge{
  display:inline-block;padding:7px 16px;border-radius:999px;
  background:#fff;color:var(--ink);font-size:13px;font-weight:700;
  margin-bottom:16px;letter-spacing:.2px;box-shadow:0 2px 10px rgba(22,32,43,0.12);
}
.hero-copy h1{
  font-size:34px;font-weight:800;color:var(--ink-dark);margin-bottom:16px;
  text-shadow:0 2px 4px rgba(255,255,255,0.9),0 0 24px rgba(255,255,255,0.85);
}
.hero-copy .lead{
  font-size:16px;color:var(--ink-dark);margin-bottom:24px;font-weight:500;
  text-shadow:0 1px 3px rgba(255,255,255,0.85),0 0 16px rgba(255,255,255,0.8);
}
.hero-copy .btn-row{justify-content:center;}

/* ===== Crossfade slideshow (why section) ===== */
.crossfade{position:relative;width:100%;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.crossfade img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;animation:slideFade 20s infinite ease-in-out;}
@keyframes slideFade{
  0%{opacity:0;} 3%{opacity:1;} 17%{opacity:1;} 22%{opacity:0;} 100%{opacity:0;}
}

/* ===== Before / After compare ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.compare figure{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff;}
.compare img{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;}
.compare figcaption{text-align:center;padding:8px;font-size:13px;font-weight:700;color:var(--ink);}
.case-block{padding:36px 0;border-bottom:1px solid var(--line);}
.case-block:last-child{border-bottom:none;}
.case-block h2{font-size:20px;color:var(--ink-dark);margin-bottom:14px;}
.case-block p{margin-top:14px;color:var(--text);font-size:15px;}

/* ===== Section shell ===== */
.section{padding:64px 0;}
.section.alt{background:var(--bg-alt);}
.section.soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin:0 auto 36px;text-align:center;}
.section-head h2{font-size:26px;font-weight:800;color:var(--ink-dark);}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;}

/* ===== Why (empathy) split ===== */
.why{
  display:flex;flex-direction:column-reverse;gap:28px;align-items:center;
}
.why-text{flex:1 1 420px;}
.why-media{flex:1 1 420px;width:100%;}
.why-media img{border-radius:var(--radius);box-shadow:var(--shadow);margin:0 auto;}
.why-text p{color:var(--text);margin-bottom:14px;}
.why-points{display:grid;gap:14px;margin-top:24px;}
.why-point{display:flex;gap:12px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);}
.why-point .num{
  flex:none;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.why-point h3{font-size:16px;margin-bottom:4px;color:var(--ink-dark);}
.why-point p{font-size:14px;color:var(--muted);margin:0;}

/* ===== Card grid (symptoms / cases) ===== */
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(22,32,43,0.16);}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.card-body{padding:18px;}
.card-body h3{font-size:17px;color:var(--ink-dark);margin-bottom:8px;}
.card-body p{font-size:14px;color:var(--muted);}

/* ===== Zigzag services ===== */
.service-row{
  display:flex;flex-direction:column;gap:24px;align-items:center;
  padding:40px 0;border-bottom:1px solid var(--line);
}
.service-row:last-child{border-bottom:none;}
.service-media,.service-text{flex:1 1 480px;width:100%;}
.service-media img{border-radius:var(--radius);box-shadow:var(--shadow);}
.service-text h3{font-size:22px;color:var(--ink-dark);margin-bottom:14px;}
.service-text p{color:var(--text);margin-bottom:12px;font-size:15px;}
.service-text .btn-row{margin-top:18px;}

/* ===== Convince (image+text) ===== */
.convince{max-width:780px;margin:0 auto;text-align:center;}
.convince img{border-radius:var(--radius);box-shadow:var(--shadow);margin:0 auto 28px;}
.convince p{color:var(--text);margin-bottom:14px;font-size:15px;text-align:left;}
.check-list{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-top:24px;
}
.check-list li{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;
  font-size:14px;font-weight:600;color:var(--ink);
}
.check-list li::before{content:"✔ ";color:var(--accent);}

/* ===== Steps ===== */
.steps{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.step-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.step-card .step-body{padding:18px;}
.step-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px;}
.step-card h3{font-size:17px;color:var(--ink-dark);margin:6px 0 8px;}
.step-card p{font-size:14px;color:var(--muted);}

/* ===== FAQ ===== */
.faq-list{max-width:780px;margin:0 auto;display:grid;gap:10px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.faq-item summary{
  padding:18px 20px;cursor:pointer;font-weight:700;color:var(--ink-dark);
  list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--muted);flex:none;}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-a{padding:0 20px 20px;color:var(--muted);font-size:14px;}

/* ===== CTA ===== */
.cta{
  position:relative;padding:72px 20px;text-align:center;color:#fff;
  background-size:cover;background-position:center;
}
.cta::before{content:"";position:absolute;inset:0;background:rgba(22,32,43,0.72);}
.cta-inner{position:relative;max-width:640px;margin:0 auto;}
.cta h2{font-size:26px;font-weight:800;margin-bottom:14px;}
.cta p{font-size:15px;margin-bottom:26px;opacity:.92;}
.cta .btn-primary{background:#fff;color:var(--ink-dark);}
.cta .btn-primary:hover{background:var(--bg-alt);}

/* ===== Footer ===== */
.site-footer{background:var(--ink-dark);color:#c9d1da;padding:40px 0 100px;}
.site-footer .foot-top{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;margin-bottom:22px;}
.site-footer a.sitemap-link{font-weight:700;color:#fff;font-size:15px;}
.site-footer .biz-info{font-size:13px;line-height:1.9;color:#a9b2bd;}
.site-footer .biz-info b{color:#dfe4ea;}
.site-footer .copy{margin-top:18px;font-size:12px;color:#7c8794;}

/* ===== Floating / fixed call buttons ===== */
.float-call{
  position:fixed;right:24px;bottom:32px;z-index:200;
  display:none;align-items:center;gap:8px;padding:16px 22px;border-radius:999px;
  background:var(--ink);color:#fff;font-weight:700;box-shadow:0 12px 24px rgba(22,32,43,0.28);
}
.mobile-call{
  position:fixed;left:0;right:0;bottom:0;z-index:200;
  display:flex;padding:12px 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 18px rgba(22,32,43,0.08);
}
.mobile-call a{
  flex:1;text-align:center;padding:14px;border-radius:12px;background:var(--ink);color:#fff;font-weight:800;
}
body{padding-bottom:78px;}

/* back button bar on detail pages */
.subpage-top{padding:18px 0;border-bottom:1px solid var(--line);background:var(--bg-soft);}

/* sitemap page */
.sitemap-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.sitemap-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.sitemap-card h3{font-size:17px;color:var(--ink-dark);margin-bottom:8px;}
.sitemap-card p{font-size:14px;color:var(--muted);margin-bottom:12px;}
.sitemap-card a{font-weight:700;color:var(--ink);}

/* ===== Breakpoints ===== */
@media (min-width:768px){
  body{padding-bottom:0;}
  .mobile-call{display:none;}
  .float-call{display:inline-flex;}
  .hero{min-height:560px;}
  .hero-copy h1{font-size:42px;}
  .why{flex-direction:row;}
  .why-media{order:2;}
  .service-row{flex-direction:row;}
  .service-row:nth-child(even){flex-direction:row-reverse;}
  .section{padding:88px 0;}
}
@media (max-width:767px){
  .gnb a{padding:6px 8px;font-size:13px;}
  .brand{font-size:17px;}
  .compare img{aspect-ratio:1/1;}
}

/* ===== Scroll reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}