/* ===== 임팩트 · 맨홀보수 — design tokens ===== */
:root{
  --ink:    #1B1E23;
  --ink2:   #2B2F36;
  --bd2:    #383D45;

  --amber:  #D9760C;
  --amber2: #B15F08;

  --bg:     #F8F7F5;
  --bg2:    #EFEDE9;
  --bg3:    #E1DFD9;
  --wh:     #FFFFFF;

  --mid:    #585F67;
  --dim:    #868C93;
  --bd:     #DBD9D3;

  --sh1: 0 1px 3px rgba(20,22,26,.06),0 4px 14px rgba(20,22,26,.07);
  --sh2: 0 6px 20px rgba(20,22,26,.11);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{font:inherit}

body{
  font-family:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  background:var(--bg);color:var(--ink);
  font-size:17px;line-height:1.8;font-weight:400;
  word-break:keep-all;overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}

.inn{max-width:1200px;margin:0 auto}
.inn-xl{max-width:1440px;margin:0 auto}

.w{padding:88px 48px}
.w.sm{padding:60px 48px}
.w.bgw{background:var(--wh)}
.w.bg2{background:var(--bg2)}
.w.bgd{background:var(--ink2)}
@media(max-width:768px){
  .w{padding:56px 20px}
  .w.sm{padding:44px 20px}
}

/* ===== reveal system ===== */
.rv{opacity:0;transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);will-change:opacity,transform}
.rv.vis{opacity:1!important;transform:none!important}
.rv-up{transform:translateY(22px)}
.rv-left{transform:translateX(-22px)}
.rv-right{transform:translateX(22px)}
.rv-scale{transform:scale(.94)}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}.d5{transition-delay:.4s}

@keyframes hslide{from{opacity:0;transform:translateY(32px)}to{opacity:1;transform:translateY(0)}}
.ha1{animation:hslide .9s cubic-bezier(.16,1,.3,1) 0s both}
.ha2{animation:hslide 1.05s cubic-bezier(.16,1,.3,1) .12s both}
.ha3{animation:hslide .9s cubic-bezier(.16,1,.3,1) .26s both}
.ha4{animation:hslide .85s cubic-bezier(.16,1,.3,1) .4s both}

/* ===== header ===== */
.hdr{position:fixed;top:0;left:0;right:0;z-index:900;background:transparent;border-bottom:1px solid transparent;transition:background .25s,border-color .25s,box-shadow .25s}
.hdr.scrolled{background:rgba(248,247,245,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom-color:var(--bd);box-shadow:var(--sh1)}
.hdr.scrolled .hdr-logo-mark{color:var(--ink)}
.hdr.scrolled .hdr-logo-sub{color:rgba(27,30,35,.45)}

.hdr-inner{max-width:1440px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:68px}
@media(max-width:768px){.hdr-inner{padding:0 16px;height:60px}}
.hdr-logo{display:flex;align-items:center;gap:12px}
.hdr-logo-mark{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.01em;transition:color .25s}
.hdr-logo-div{width:1px;height:14px;background:rgba(255,255,255,.3)}
.hdr-logo-sub{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.65);transition:color .25s}
.hdr-cta{display:inline-flex;align-items:center;gap:6px;background:var(--amber);color:#fff;padding:10px 22px;border-radius:4px;font-size:14px;font-weight:700;letter-spacing:.02em;transition:background .2s,transform .15s;min-height:40px}
.hdr-cta:hover{background:var(--amber2)}
@media(max-width:480px){.hdr-cta{padding:9px 16px;font-size:13px}}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;font-size:15px;font-weight:700;letter-spacing:.02em;cursor:pointer;border:none;min-height:48px;transition:background .2s,color .2s,transform .15s,border-color .2s;border-radius:4px}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:var(--amber2)}
.btn-ink{background:var(--ink2);color:#fff}
.btn-ink:hover{opacity:.9}
.btn-out{background:transparent;color:var(--ink);border:1px solid var(--bd)}
.btn-out:hover{background:var(--ink2);color:#fff;border-color:var(--ink2)}
.btn-out-w{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-out-w:hover{background:rgba(255,255,255,.12)}

/* ===== section label / title ===== */
.s-label{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--amber);text-transform:uppercase;margin-bottom:16px}
.s-label::before{content:'';width:18px;height:2px;background:var(--amber)}
.s-title{font-size:clamp(24px,3.4vw,38px);font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1.25;margin-bottom:12px}
.s-sub{font-size:16px;color:var(--mid);font-weight:400;line-height:1.8;max-width:560px}

/* ===== MAIN HERO — crossfade slider ===== */
.hero{position:relative;height:100svh;min-height:600px;overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(to top,rgba(16,18,21,.82) 0%,rgba(16,18,21,.4) 26%,transparent 52%)}
.hero-body{position:absolute;inset:0;display:flex;align-items:flex-end;padding:0 24px 56px}
.hero-card{position:relative;width:100%;max-width:820px}
.hero-eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--amber);text-transform:uppercase;margin-bottom:20px;text-shadow:0 1px 3px rgba(0,0,0,.4)}
.hero-eyebrow::before{content:'';width:9px;height:9px;background:var(--amber);flex-shrink:0}
.hero h1{font-size:clamp(56px,9.5vw,128px);font-weight:900;color:#fff;letter-spacing:-.05em;line-height:.96;margin-bottom:22px;text-shadow:0 4px 24px rgba(0,0,0,.45)}
.hero-sub{font-size:clamp(15px,1.5vw,17px);color:rgba(255,255,255,.82);font-weight:400;line-height:1.8;max-width:460px;margin-bottom:30px;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-dots{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:2}
.hero-dot{width:26px;height:4px;border-radius:2px;background:rgba(255,255,255,.3);border:none;cursor:pointer;transition:background .2s,width .2s}
.hero-dot.active{background:#fff;width:34px}
@media(max-width:768px){
  .hero{height:88svh}
  .hero-body{padding:0 20px 44px}
  .hero h1{font-size:clamp(46px,15vw,84px);line-height:.98}
  .hero-sub{margin-bottom:22px}
}

/* ===== SUB HERO (60vh, single image) ===== */
.subhero{position:relative;height:56vh;min-height:380px;overflow:hidden;margin-top:0}
.subhero img{width:100%;height:100%;object-fit:cover}
.subhero-scrim{position:absolute;inset:0;background:linear-gradient(to right,rgba(20,22,26,.85) 0%,rgba(20,22,26,.5) 55%,rgba(20,22,26,.18) 100%)}
.subhero-body{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:0 24px;max-width:760px;margin:0 auto;left:0;right:0}
.subhero-eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--amber);text-transform:uppercase;margin-bottom:16px}
.subhero h1{font-size:clamp(28px,4.6vw,48px);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.18;margin-bottom:16px}
.subhero-sub{font-size:clamp(14px,1.6vw,17px);color:rgba(255,255,255,.75);line-height:1.75;max-width:480px}

/* ===== trust / intro strip ===== */
.intro-strip{display:flex;gap:40px;flex-wrap:wrap;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid var(--bd)}
.intro-strip p{font-size:17px;color:var(--mid);line-height:1.9;max-width:640px}

/* ===== 3x2 photo / CTA grid ===== */
.grid32{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin-top:32px}
.grid-card{position:relative;overflow:hidden;aspect-ratio:4/5;background:var(--bg3)}
.grid-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.grid-card:hover img{transform:scale(1.06)}
.grid-card-tag{position:absolute;top:12px;left:12px;font-size:10px;font-weight:700;letter-spacing:.08em;padding:4px 10px;border-radius:2px;background:rgba(20,22,26,.72);color:#fff}
.grid-card-cap{position:absolute;left:0;right:0;bottom:0;padding:18px 16px 16px;background:linear-gradient(to top,rgba(20,22,26,.86),transparent);color:#fff}
.grid-card-cap b{display:block;font-size:15px;font-weight:700;letter-spacing:-.01em}
.grid-card-cap span{font-size:12px;color:rgba(255,255,255,.65)}
.grid-card-live{border:2px solid var(--amber)}
.grid-card-live .grid-card-tag{background:var(--amber)}
.grid-card-more{font-size:12px;font-weight:700;color:var(--amber);margin-top:4px;display:inline-flex;align-items:center;gap:4px}
.grid-card-cta{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:12px;background:var(--ink2);padding:24px}
.grid-card-cta b{font-size:19px;font-weight:800;color:#fff;line-height:1.4}
.grid-card-cta span{font-size:13px;color:rgba(255,255,255,.5);line-height:1.6}
@media(max-width:768px){
  .grid32{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .grid32{grid-template-columns:1fr}
  .grid-card,.grid-card-cta{aspect-ratio:5/4}
}

/* ===== process (5-step reveal) ===== */
.steps{display:flex;flex-direction:column;gap:0;margin-top:36px;max-width:760px}
.step{position:relative;padding:0 0 32px 62px;display:flex;flex-direction:column;gap:6px}
.step:last-child{padding-bottom:0}
.step:not(:last-child)::before{content:'';position:absolute;top:46px;left:22px;width:2px;height:calc(100% - 46px);background:var(--bd)}
.step:not(:last-child)::after{content:'';position:absolute;top:46px;left:22px;width:2px;height:calc(100% - 46px);background:var(--amber);transform-origin:top;transform:scaleY(0);transition:transform .8s cubic-bezier(.16,1,.3,1) .2s}
.step.vis:not(:last-child)::after{transform:scaleY(1)}
.step-num{position:absolute;left:0;top:0;width:46px;height:46px;border-radius:50%;background:var(--wh);border:2px solid var(--amber);color:var(--amber);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800}
.step.vis .step-num{animation:stepPop .55s cubic-bezier(.34,1.56,.64,1) both}
@keyframes stepPop{from{transform:scale(.3);opacity:0}to{transform:scale(1);opacity:1}}
.step-title{font-size:18px;font-weight:800;color:var(--ink)}
.step-desc{font-size:15px;color:var(--mid);line-height:1.8}

/* ===== condition checklist ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.check-item{display:flex;gap:14px;padding:20px;background:var(--wh);border:1px solid var(--bd);border-radius:6px}
.check-ico{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--bg2);color:var(--amber);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.check-item b{display:block;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px}
.check-item span{font-size:14px;color:var(--mid);line-height:1.7}
@media(max-width:640px){.check-grid{grid-template-columns:1fr}}

/* ===== related pages (2-card) ===== */
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.related-card{display:flex;flex-direction:column;gap:8px;padding:26px 24px;background:var(--wh);border:1px solid var(--bd);border-radius:6px;transition:border-color .2s,transform .2s,box-shadow .2s}
.related-card:hover{border-color:var(--amber);transform:translateY(-3px);box-shadow:var(--sh1)}
.related-card span.tag{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--amber);text-transform:uppercase}
.related-card b{font-size:17px;font-weight:800;color:var(--ink)}
.related-card span.desc{font-size:13px;color:var(--dim);line-height:1.7}
@media(max-width:560px){.related-grid{grid-template-columns:1fr}}

/* ===== before/after compare ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.compare-item{position:relative;overflow:hidden;border-radius:4px;aspect-ratio:4/5}
.compare-item img{width:100%;height:100%;object-fit:cover}
.compare-badge{position:absolute;top:14px;left:14px;font-size:11px;font-weight:800;letter-spacing:.1em;padding:5px 12px;border-radius:2px;color:#fff}
.compare-badge.before{background:rgba(20,22,26,.78)}
.compare-badge.after{background:var(--amber)}
@media(max-width:640px){.compare{grid-template-columns:1fr}}

/* ===== FAQ ===== */
.faq-item{border-top:1px solid var(--bd)}
.faq-item:last-child{border-bottom:1px solid var(--bd)}
.faq-btn{width:100%;padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:none;cursor:pointer;text-align:left}
.faq-q{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.faq-ico{width:24px;height:24px;border:1px solid var(--bd);border-radius:2px;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--dim);flex-shrink:0;transition:background .2s,border-color .2s,color .2s,transform .2s}
.faq-item.open .faq-ico{background:var(--amber);border-color:var(--amber);color:#fff;transform:rotate(45deg)}
.faq-body{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-body p{padding:0 0 22px;font-size:15px;color:var(--mid);line-height:1.85}
.faq-item.open .faq-body{max-height:400px}

/* ===== CTA panel ===== */
.cta-wrap{background:var(--ink2);padding:80px 24px;position:relative;overflow:hidden}
.cta-wrap::before{content:'';position:absolute;right:-70px;bottom:-70px;width:220px;height:220px;background:var(--amber);opacity:.1;clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%)}
.cta-inner{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:36px}
.cta-label{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--amber);text-transform:uppercase;margin-bottom:12px}
.cta-title{font-size:clamp(22px,3.2vw,38px);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.3;margin-bottom:12px;max-width:520px}
.cta-sub{font-size:14px;color:rgba(255,255,255,.45);line-height:1.8;max-width:440px}
@media(max-width:768px){.cta-wrap{padding:56px 20px}}

/* ===== footer ===== */
.ftr{background:var(--ink2);padding:56px 24px 32px;border-top:1px solid var(--bd2)}
.ftr-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1.6fr;gap:40px;padding-bottom:32px;border-bottom:1px solid var(--bd2);margin-bottom:24px}
.ftr-name{font-size:15px;font-weight:800;color:rgba(255,255,255,.8);margin-bottom:10px}
.ftr-desc{font-size:13px;color:rgba(255,255,255,.4);line-height:1.9}
.ftr-head{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.32);margin-bottom:14px}
.ftr-link{display:block;font-size:14px;color:rgba(255,255,255,.55);padding:4px 0;transition:color .2s}
.ftr-link:hover{color:var(--amber)}
.ftr-tags{display:flex;flex-wrap:wrap;gap:8px}
.ftr-tag{font-size:12px;color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:6px 14px}
.ftr-tag-live{color:var(--amber);border-color:rgba(217,118,12,.5)}
.ftr-bot{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,.28);flex-wrap:wrap;gap:10px}
@media(max-width:768px){.ftr-grid{grid-template-columns:1fr 1fr;gap:28px}.ftr{padding:44px 16px 24px}}
@media(max-width:480px){.ftr-grid{grid-template-columns:1fr}}

/* ===== floating cta ===== */
.fl{position:fixed;bottom:24px;right:24px;z-index:800;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.fl-top{width:40px;height:40px;background:var(--wh);border:1px solid var(--bd);border-radius:4px;display:none;align-items:center;justify-content:center;color:var(--mid);font-size:15px;cursor:pointer}
.fl-cta{display:flex;align-items:center;gap:8px;background:var(--amber);color:#fff;padding:13px 20px;border-radius:4px;font-size:13px;font-weight:700;letter-spacing:.02em;box-shadow:0 6px 22px rgba(217,118,12,.35)}
.fl-cta:hover{background:var(--amber2)}
@media(max-width:768px){
  .fl{left:0;right:0;bottom:0;align-items:stretch;gap:0}
  .fl-top{display:none!important}
  .fl-cta{border-radius:0;justify-content:center;padding:16px;font-size:15px;font-weight:900;padding-bottom:calc(16px + env(safe-area-inset-bottom,0))}
}

/* ===== consultation page ===== */
.consult-hero{background:var(--ink2);padding:120px 24px 64px;text-align:center}
.consult-hero .s-label{justify-content:center}
.consult-hero h1{font-size:clamp(28px,5vw,48px);font-weight:900;color:#fff;letter-spacing:-.03em;margin-bottom:14px}
.consult-hero p{font-size:16px;color:rgba(255,255,255,.55);max-width:480px;margin:0 auto;line-height:1.8}
.consult-actions{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:720px;margin:0 auto}
.consult-card{display:flex;flex-direction:column;align-items:center;gap:14px;padding:44px 24px;background:var(--wh);border:1px solid var(--bd);border-radius:6px;text-align:center;transition:transform .2s,box-shadow .2s,border-color .2s}
.consult-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--amber)}
.consult-card-ico{width:60px;height:60px;border-radius:50%;background:var(--bg2);display:flex;align-items:center;justify-content:center;color:var(--amber)}
.consult-card b{font-size:18px;font-weight:800;color:var(--ink)}
.consult-card span{font-size:13px;color:var(--dim);line-height:1.7}
.consult-card .consult-phone{font-size:clamp(26px,5vw,40px);font-weight:900;color:var(--amber);letter-spacing:-.02em;white-space:nowrap}
@media(max-width:640px){.consult-actions{grid-template-columns:1fr}}

.consult-info{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:900px;margin:0 auto}
.consult-info-item{padding:24px 0;border-top:1px solid var(--bd)}
.consult-info-item b{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.consult-info-item span{font-size:16px;color:var(--ink);line-height:1.7}
@media(max-width:640px){.consult-info{grid-template-columns:1fr}}