/* 하루공사 타일교체 — split 테마 · 클린틸 팔레트 */
:root{
  --primary:#136B63;
  --accent:#1FA099;
  --ink:#1A1A1A;
  --muted:#6B7280;
  --border:#E5E5E5;
  --tint:#F0F7F6;
  --radius-sm:4px;
  --radius-md:10px;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.7;
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Pretendard',sans-serif;font-weight:800;margin:0;letter-spacing:-0.01em}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.section{padding:72px 0}
.section-tint{background:var(--tint)}
.hairline{border-top:1px solid var(--border)}
.section-head{max-width:640px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3.6vw,34px)}
.section-head p{color:var(--muted);margin-top:12px;font-size:15px}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,255,255,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.brand img{width:32px;height:32px}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;
  padding:10px 20px;border-radius:var(--radius-sm);font-weight:700;font-size:14px;
}

/* Hero (split) */
.hero-split{display:flex;min-height:560px;margin-top:66px}
.hero-panel{
  flex:0 0 42%;background:var(--primary);color:#fff;
  display:flex;flex-direction:column;justify-content:center;padding:56px 44px;
}
.hero-panel h1{font-size:clamp(30px,4vw,44px);color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.25)}
.hero-panel .lead{margin-top:18px;color:rgba(255,255,255,.92);font-size:16px;max-width:44ch}
.hero-photo{flex:1 1 58%;position:relative;overflow:hidden;min-height:360px}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-btns{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;
  border-radius:var(--radius-sm);font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;
}
.btn-accent{background:var(--accent);color:#fff}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-dark{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-primary{background:var(--primary);color:#fff}

/* Sub hero (single image + overlay) */
.sub-hero{position:relative;margin-top:66px;min-height:340px;display:flex;align-items:flex-end}
.sub-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.sub-hero::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:55%;
  background:linear-gradient(to top, rgba(0,0,0,.38), rgba(0,0,0,0));z-index:1;
}
.sub-hero .wrap{position:relative;z-index:2;padding-bottom:40px}
.sub-hero h1{color:#fff;font-size:clamp(28px,4vw,40px);text-shadow:0 2px 10px rgba(0,0,0,.55)}
.sub-hero .lead{color:#fff;margin-top:10px;font-size:15px;text-shadow:0 1px 6px rgba(0,0,0,.55);max-width:56ch}

/* Grid: 6 cards = mobile 2col / PC 3col, 4 cards = mobile 2col / PC 2or4col, fixed columns (no auto-fit) */
.grid6{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.grid4{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.grid3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){
  .grid6{grid-template-columns:repeat(3,1fr)}
  .grid4{grid-template-columns:repeat(4,1fr)}
  .grid3{grid-template-columns:repeat(3,1fr)}
}

.card{
  border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;background:#fff;
  transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px)}
.card .card-img{aspect-ratio:4/3;overflow:hidden}
.card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card .card-body{padding:18px}
.card .badge{display:inline-block;font-size:11px;font-weight:700;color:var(--accent);letter-spacing:.06em;margin-bottom:8px}
.card .card-title{font-size:17px;font-weight:800;margin:0}
.card p{color:var(--muted);font-size:14px;margin-top:8px}

/* Gallery (single-photo) */
.gallery-item{cursor:zoom-in}
.gallery-item .card-img{aspect-ratio:1/1}

/* Before/After 비교 갤러리 */
.ba-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.ba-grid{grid-template-columns:repeat(2,1fr)}}
.ba-item{border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;background:#fff}
.ba-photos{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--border)}
.ba-half{position:relative;cursor:zoom-in}
.ba-half img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .25s ease}
.ba-half:hover img{transform:scale(1.03)}
.ba-tag{
  position:absolute;top:10px;left:10px;background:rgba(0,0,0,.6);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.06em;padding:4px 9px;border-radius:3px;
}

/* Trust stats (항상 3개 — 모바일 1열 고정) */
.stat-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.stat-grid{grid-template-columns:repeat(3,1fr)}}
.stat-box{border:1px solid var(--border);border-radius:var(--radius-md);padding:26px 20px;text-align:center}
.stat-box .num{font-size:30px;font-weight:800;color:var(--primary)}
.stat-box .lbl{font-size:13px;color:var(--muted);margin-top:6px}

/* Process steps (항상 4개 — 모바일 2열/PC 4열) */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:768px){.step-grid{grid-template-columns:repeat(4,1fr)}}
.step-box{border:1px solid var(--border);border-radius:var(--radius-md);padding:24px}
.step-box .step-no{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--accent)}
.step-box h3{margin-top:8px;font-size:17px}
.step-box p{margin-top:8px;color:var(--muted);font-size:14px}

/* Prose */
.prose{max-width:70ch}
.prose h2{font-size:24px;margin-top:0}
.prose h3{font-size:18px;margin-top:28px}
.prose p{margin-top:14px;color:#333;font-size:15px}
.prose table{width:100%;border-collapse:collapse;margin-top:18px;font-size:14px}
.prose table th,.prose table td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.prose table th{background:var(--tint);font-weight:700}
.prose ul{margin-top:14px;padding-left:20px;color:#333;font-size:15px}
.prose li{margin-top:6px}

/* FAQ accordion */
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;padding:20px 4px;
  cursor:pointer;font-weight:700;font-size:15px;background:none;border:0;width:100%;text-align:left;
}
.faq-q .plus{font-size:20px;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(--muted);font-size:15px}

/* Related links */
.related-list{display:flex;gap:12px;flex-wrap:wrap}
.related-list a{
  border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 18px;font-size:14px;font-weight:600;
}

/* CTA + Footer (no gap between them) */
.cta-band{background:var(--primary);color:#fff;padding:64px 0;text-align:center;margin:0}
.cta-band h2{color:#fff;font-size:clamp(24px,3.4vw,32px)}
.cta-band p{color:rgba(255,255,255,.85);margin-top:12px}
.cta-band .btn{margin-top:24px}

.site-footer{background:#161b1a;color:#c9d2d0;padding:52px 0 28px;margin:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.2fr 1fr 1.2fr}}
.footer-grid h4{color:#fff;font-size:14px;letter-spacing:.05em;margin-bottom:14px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:12px}
.footer-brand img{width:28px;height:28px}
.footer-grid p, .footer-grid a{font-size:14px;color:#9fada9;line-height:1.9}
.footer-links a{display:block}
.footer-bottom{border-top:1px solid #2a3231;margin-top:36px;padding-top:20px;font-size:13px;color:#7c8a86}

/* Floating buttons */
.floating{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.fab{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;
  padding:14px 20px;border-radius:999px;font-weight:700;font-size:14px;box-shadow:0 6px 18px rgba(0,0,0,.18);
}
.fab-top{background:#fff;color:var(--ink);border:1px solid var(--border);padding:10px;border-radius:999px;display:none}
.fab-top.show{display:inline-flex}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.86);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;border-radius:var(--radius-sm)}
.lightbox-close{position:absolute;top:20px;right:24px;color:#fff;font-size:28px;background:none;border:0;cursor:pointer}

@media(max-width:767px){
  .header-cta{padding:9px 14px;font-size:13px}
  .hero-split{flex-direction:column;min-height:auto}
  .hero-panel{flex:none;padding:40px 20px}
  .hero-photo{flex:none;min-height:260px}
  .section{padding:52px 0}
  .wrap{padding:0 16px}
  .step-box{padding:18px 14px}
  .stat-box{padding:20px 14px}
  .stat-box .num{font-size:24px}
  .card .card-body{padding:14px}
  .prose table th,.prose table td{padding:8px 8px;font-size:13px}
  .ba-half img{aspect-ratio:3/2}
  .cta-band{padding:48px 0}
  .footer-grid{gap:28px}
}