/* a19 — 긴급 출동형(하수구·배관). 다크 그린블랙 풀블리드 히어로 + 긴급 레드 CTA, 다크 숫자 밴드, 현장 사진 꽉 찬 서비스 카드, 다크 CTA/푸터. 빠름·신속·확신 톤. */
.L-a19{
  --sub:color-mix(in srgb,var(--c-ink) 56%,var(--c-bg));
  --red:var(--c-brand);--grn:var(--c-brand2);
  --dk:#0b1410;--dk2:#111d17;--dkln:rgba(255,255,255,.1);
  --sh:0 30px 64px -32px rgba(10,20,15,.55);--sh-sm:0 14px 36px -22px rgba(10,20,15,.4)
}
.L-a19 .wrap{max-width:1180px}
.L-a19 .narrow{max-width:760px}
.L-a19 h1,.L-a19 h2,.L-a19 h3{font-weight:900;letter-spacing:-.04em;text-wrap:balance}
.L-a19 .eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;color:var(--red);letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.L-a19 .sec .eyebrow::before{content:"";width:22px;height:2px;background:var(--red);border-radius:2px}
.L-a19 h1 em,.L-a19 h2 em{color:var(--red);font-style:normal}
.L-a19 .pulse{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 color-mix(in srgb,var(--red) 70%,transparent);animation:a19pulse 1.6s infinite}
@keyframes a19pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--red) 65%,transparent)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}
@media(prefers-reduced-motion:reduce){.L-a19 .pulse{animation:none}}

/* Buttons */
.L-a19 .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:60px;padding:0 32px;border-radius:12px;font-weight:900;font-size:16.5px;white-space:nowrap;transition:transform .18s,box-shadow .18s,background .18s;border:2px solid transparent}
.L-a19 .btn svg{width:20px;height:20px}
.L-a19 .btn-sm{height:44px;padding:0 18px;font-size:14px;border-radius:10px}
.L-a19 .btn-grad{background:var(--red);color:#fff;box-shadow:0 16px 34px -12px color-mix(in srgb,var(--red) 75%,transparent)}
.L-a19 .btn-grad:hover{transform:translateY(-2px);box-shadow:0 20px 40px -12px color-mix(in srgb,var(--red) 80%,transparent)}
.L-a19 .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.L-a19 .btn-ghost:hover{background:rgba(255,255,255,.12)}
.L-a19 .btn-white{background:#fff;color:var(--dk)}
.L-a19 .btn-white:hover{transform:translateY(-2px)}
.L-a19 .btn-ghost-w{border-color:rgba(255,255,255,.55);color:#fff}

/* Header (transparent over dark hero) */
.L-a19 .hd{position:absolute;top:0;left:0;right:0;z-index:30}
.L-a19 .hd-in{display:flex;align-items:center;gap:24px;height:76px}
.L-a19 .logo{font-weight:900;font-size:23px;letter-spacing:-.045em;color:#fff}
.L-a19 .gnb{display:flex;align-items:center;gap:14px;margin-left:auto}
.L-a19 .gnb ul{display:flex;gap:4px}
.L-a19 .gnb ul a{padding:8px 13px;font-size:15px;font-weight:700;color:rgba(255,255,255,.86);border-radius:8px}
.L-a19 .gnb ul a:hover{color:#fff;background:rgba(255,255,255,.12)}
.L-a19 .hd-act{display:flex;align-items:center;gap:12px}
.L-a19 .hd-tel{display:inline-flex;align-items:center;gap:7px;font-weight:900;font-size:17px;color:#fff}
.L-a19 .hd-tel svg{width:17px;height:17px}

/* ── HERO : 다크 그린블랙 현장 사진 + 좌측 정렬 ── */
.L-a19 .hero{position:relative;min-height:clamp(560px,86vh,740px);display:flex;align-items:center;overflow:hidden;isolation:isolate;background:var(--dk)}
.L-a19 .hero-compact{min-height:clamp(320px,48vh,420px)}
.L-a19 .hero-photo{position:absolute;inset:0;z-index:-2;background-color:#0b1410;background-position:center;background-size:cover;background-repeat:no-repeat;background-image:url(/_sf/sample/drain/hero.webp)}
.L-a19 .hero-veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(92deg,rgba(7,14,10,.95),rgba(7,14,10,.78) 46%,rgba(7,14,10,.42)),linear-gradient(180deg,rgba(7,14,10,.35),transparent 30%,rgba(7,14,10,.6))}
.L-a19 .hero-in{position:relative;color:#fff;padding:120px 0 76px;max-width:1180px;margin:0 auto}
.L-a19 .hero .eyebrow{color:#fff;background:color-mix(in srgb,var(--red) 92%,#000);padding:8px 15px;border-radius:999px;font-size:12px}
.L-a19 .hero h1{color:#fff;font-size:clamp(36px,6vw,66px);line-height:1.08;font-weight:900;text-shadow:0 3px 30px rgba(0,0,0,.5);max-width:16ch}
.L-a19 .hero h1 em{color:#fff;border-bottom:5px solid var(--red);padding-bottom:2px}
.L-a19 .hero .lead{margin:22px 0 0;max-width:580px;font-size:18px;color:rgba(255,255,255,.92);line-height:1.72;text-shadow:0 1px 16px rgba(0,0,0,.4)}
.L-a19 .hero-tags{display:flex;gap:9px;margin-top:30px;flex-wrap:wrap;font-size:14px}
.L-a19 .hero-tags li{display:flex;align-items:center;gap:7px;padding:10px 17px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font-weight:800;border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(6px)}
.L-a19 .hero-tags li::before{content:"✓";color:var(--grn);font-weight:900}
.L-a19 .hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.L-a19 .hero-cta .btn-grad{height:66px;font-size:19px;padding:0 38px}
.L-a19 .hero-cta .btn-grad::after{content:"";position:absolute}

/* Stats — 다크 밴드, 히어로와 맞물림 */
.L-a19 .stats{margin-top:-46px;position:relative;z-index:5}
.L-a19 .stat-row{display:grid;grid-template-columns:repeat(4,1fr);background:var(--dk2);border:1px solid var(--dkln);border-radius:16px;box-shadow:var(--sh);overflow:hidden}
.L-a19 .stat-row li{text-align:center;padding:28px 14px}
.L-a19 .stat-row li+li{border-left:1px solid var(--dkln)}
.L-a19 .stat-row b{font-size:clamp(28px,3.4vw,40px);font-weight:900;color:var(--red);letter-spacing:-.04em;line-height:1.05}
.L-a19 .stat-row b em{font-size:.5em;color:#fff;margin-left:2px;font-style:normal}
.L-a19 .stat-row span{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-top:7px;font-weight:600}
@media(max-width:560px){.L-a19 .stats{margin-top:-26px}.L-a19 .stat-row{grid-template-columns:1fr 1fr}.L-a19 .stat-row li:nth-child(3){border-left:0}.L-a19 .stat-row li:nth-child(n+3){border-top:1px solid var(--dkln)}}

/* Sections */
.L-a19 .sec{padding:clamp(74px,8.5vw,106px) 0}
.L-a19 .sec-soft{background:var(--c-soft)}
.L-a19 .sec-hd{margin:0 auto clamp(42px,5vw,58px);max-width:740px;text-align:center}
.L-a19 .sec-hd h2,.L-a19 .sec-text h2{font-size:clamp(29px,3.9vw,46px);line-height:1.18;margin-top:12px}
.L-a19 .sec-hd>p:not(.eyebrow){margin-top:14px;color:var(--sub);font-size:16.5px;line-height:1.7}
.L-a19 .sec-hd .eyebrow{justify-content:center}

/* 서비스 카드 — 현장 사진 풀블리드 + 하단 그라데이션 */
.L-a19 .topics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.L-a19 .topic{position:relative;display:flex;flex-direction:column;border-radius:16px;overflow:hidden;background:var(--dk);transition:transform .22s,box-shadow .22s;box-shadow:var(--sh-sm);min-height:340px}
.L-a19 .topic:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.L-a19 .topic-img{position:absolute;inset:0;display:block;background-color:#16241c;background-position:center;background-size:cover}
.L-a19 .topic-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,14,10,.15) 20%,rgba(7,14,10,.55) 55%,rgba(7,14,10,.92))}
.L-a19 .topic:nth-child(4n+1) .topic-img{background-image:url(/_sf/sample/drain/jet.webp)}
.L-a19 .topic:nth-child(4n+2) .topic-img{background-image:url(/_sf/sample/drain/scope.webp)}
.L-a19 .topic:nth-child(4n+3) .topic-img{background-image:url(/_sf/sample/drain/toilet.webp)}
.L-a19 .topic:nth-child(4n+4) .topic-img{background-image:url(/_sf/sample/drain/worker.webp)}
.L-a19 .topic-img .t-no{position:absolute;top:14px;left:14px;width:36px;height:36px;border-radius:9px;background:var(--red);display:grid;place-items:center;font-weight:900;color:#fff;font-size:15px;z-index:2}
.L-a19 .topic-body{position:relative;z-index:2;margin-top:auto;padding:20px 22px 22px;color:#fff}
.L-a19 .topic-body h3{font-size:20px;font-weight:900}
.L-a19 .topic-body h3 a{color:#fff}
.L-a19 .topic-body h3 a::after{content:"";position:absolute;inset:0}
.L-a19 .topic-body p{margin-top:8px;color:rgba(255,255,255,.82);font-size:14px;line-height:1.6}
.L-a19 .t-more{margin-top:14px;font-size:13px;font-weight:900;color:#fff;opacity:.9}
@media(max-width:860px){.L-a19 .topics{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.L-a19 .topics{grid-template-columns:1fr}.L-a19 .topic{min-height:300px}}

/* 증상 체크 (isFeatures check) — 긴급 경고 콘솔(다크 패널·레드 사이렌) */
.L-a19 .vs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.09);border-radius:18px;overflow:hidden;box-shadow:var(--sh)}
.L-a19 .vs-item{position:relative;display:block;padding:30px 28px 30px 70px;background:var(--dk);border:0;border-radius:0;box-shadow:none;transition:background .18s}
.L-a19 .vs-item:hover{background:var(--dk2)}
.L-a19 .vs-item::before{content:"";position:absolute;left:30px;top:35px;width:13px;height:13px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px color-mix(in srgb,var(--red) 20%,transparent),0 0 18px 2px color-mix(in srgb,var(--red) 55%,transparent)}
.L-a19 .vs-item h3{font-size:18.5px;font-weight:800;color:#fff;letter-spacing:-.02em}
.L-a19 .vs-item p{margin-top:7px;color:rgba(255,255,255,.6);font-size:14.5px;line-height:1.64}
@media(max-width:720px){.L-a19 .vs{grid-template-columns:1fr}}

/* Why (isFeatures check=false) — 빠른 이유 */
.L-a19 .rows{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;counter-reset:r}
.L-a19 .rows li{padding:32px 26px;border-radius:14px;background:var(--c-bg);border:1px solid var(--c-line);box-shadow:var(--sh-sm);counter-increment:r;position:relative}
.L-a19 .rows li::before{content:"0" counter(r);position:absolute;top:20px;right:24px;font-size:40px;font-weight:900;color:color-mix(in srgb,var(--red) 16%,transparent);line-height:1}
.L-a19 .r-no::before{content:"";display:block;width:34px;height:4px;background:var(--red);border-radius:3px;margin-bottom:14px}
.L-a19 .rows h3{font-size:19px;margin:0 0 8px}
.L-a19 .rows p{color:var(--sub);font-size:14px;line-height:1.62}

/* Process */
.L-a19 .process{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:20px;counter-reset:p}
.L-a19 .process li{position:relative;padding:36px 22px 24px;border-radius:16px;background:var(--c-bg);border:1px solid var(--c-line);box-shadow:var(--sh-sm);text-align:center}
.L-a19 .process li::before{counter-increment:p;content:counter(p);position:absolute;top:-20px;left:50%;transform:translateX(-50%);width:46px;height:46px;border-radius:12px;background:var(--red);color:#fff;font-weight:900;display:grid;place-items:center;box-shadow:0 12px 24px -8px color-mix(in srgb,var(--red) 60%,transparent)}
.L-a19 .process span{font-size:12px;font-weight:900;color:var(--red);letter-spacing:.06em;display:block;margin-top:6px}
.L-a19 .process h3{font-size:18px;margin:6px 0 8px}
.L-a19 .process p{color:var(--sub);font-size:14px;line-height:1.62}

/* Reviews — 에디토리얼 인용(좌측 레드바 + 인용부호 + 초록 검증체크) */
.L-a19 .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.L-a19 .reviews li{position:relative;padding:32px 28px 24px;border-radius:16px;background:var(--c-bg);border:1px solid var(--c-line);box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:14px;overflow:hidden;transition:transform .2s,box-shadow .2s}
.L-a19 .reviews li:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.L-a19 .reviews li::before{content:"\201C";position:absolute;top:2px;right:22px;font-family:Georgia,'Times New Roman',serif;font-size:92px;line-height:1;color:color-mix(in srgb,var(--red) 11%,transparent);pointer-events:none}
.L-a19 .reviews li::after{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 4px 4px 0;background:var(--red)}
.L-a19 .stars{display:flex;gap:2px;color:#ffb020;font-size:15px;position:relative;z-index:1}
.L-a19 .reviews p{flex:1;font-size:15px;line-height:1.74;color:var(--c-ink);position:relative;z-index:1}
.L-a19 .reviews b{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--sub);font-weight:800;padding-top:14px;border-top:1px solid var(--c-line)}
.L-a19 .reviews b::before{content:"✓";display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:color-mix(in srgb,var(--grn) 15%,transparent);color:var(--grn);font-size:12px;font-weight:900;flex:none}

/* Text */
.L-a19 .sec-text .narrow{text-align:center}
.L-a19 .sec-text p{font-size:17px;color:var(--sub);line-height:1.85;text-align:center}
.L-a19 .sec-text h2+p,.L-a19 .sec-text p+p{margin-top:16px}
.L-a19 .sec-text:not(:has(h2)) p{font-size:clamp(22px,3vw,32px);font-weight:900;letter-spacing:-.03em;line-height:1.42;color:var(--c-ink)}

/* FAQ */
.L-a19 .faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.L-a19 .faq-grid .sec-hd{text-align:left;margin:0}
.L-a19 .faq-grid .sec-hd .eyebrow{justify-content:flex-start}
.L-a19 .faq{display:flex;flex-direction:column;gap:12px}
.L-a19 .faq details{border:1px solid var(--c-line);border-radius:12px;background:var(--c-bg);overflow:hidden;box-shadow:var(--sh-sm)}
.L-a19 .faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16.5px;font-weight:800;display:flex;justify-content:space-between;align-items:center;gap:16px}
.L-a19 .faq summary::-webkit-details-marker{display:none}
.L-a19 .faq summary::after{content:"+";font-size:24px;font-weight:400;color:var(--red);transition:transform .2s;line-height:1}
.L-a19 .faq details[open] summary{color:var(--red)}
.L-a19 .faq details[open] summary::after{transform:rotate(45deg)}
.L-a19 .faq details p{padding:0 24px 22px;color:var(--sub);line-height:1.7;font-size:15px}

/* CTA — 다크 밴드 */
.L-a19 .cta{padding:0 0 clamp(76px,9vw,108px)}
.L-a19 .cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;padding:clamp(44px,5.5vw,64px);border-radius:22px;background:var(--dk);color:#fff;position:relative;overflow:hidden;box-shadow:var(--sh)}
.L-a19 .cta-box::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 300px at 85% -20%,color-mix(in srgb,var(--red) 40%,transparent),transparent)}
.L-a19 .cta-box>*{position:relative;z-index:1}
.L-a19 .cta-box h2{color:#fff;font-size:clamp(27px,3.5vw,42px);line-height:1.2}
.L-a19 .cta-box h2 em{color:#fff;border-bottom:4px solid var(--red)}
.L-a19 .cta-box p{margin-top:12px;color:rgba(255,255,255,.82);font-size:16.5px}
.L-a19 .cta-act{display:flex;gap:10px;flex-wrap:wrap}
.L-a19 .cta-act .btn-grad{background:var(--red)}

/* Form */
.L-a19 .form-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start}
.L-a19 .form-grid .sec-hd{text-align:left;margin:0}
.L-a19 .form-grid .sec-hd .eyebrow{justify-content:flex-start}
.L-a19 .form-tel{display:inline-flex;flex-direction:column;margin-top:22px;font-size:32px;font-weight:900;letter-spacing:-.03em;color:var(--red)}
.L-a19 .form-tel small{font-size:13px;color:var(--sub);font-weight:700}
.L-a19 .form-card{padding:34px;border-radius:18px;background:var(--c-bg);border:1px solid var(--c-line);box-shadow:var(--sh)}
.L-a19 .fm-submit{background:var(--red)}

/* 스티키 전화바 */
.L-a19 .callbar{display:none}
@media(min-width:721px){
  body.L-a19{padding-bottom:68px}
  .L-a19 .callbar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--dk);color:#fff;border-top:1px solid rgba(255,255,255,.1);padding:10px max(16px,env(safe-area-inset-left,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-right,0px))}
}
.L-a19 .callbar-in{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px}
.L-a19 .callbar .live{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;color:#fff}
.L-a19 .callbar .live i{width:9px;height:9px;border-radius:50%;background:var(--red);flex:none;animation:a19pulse 1.6s infinite}
.L-a19 .callbar-act{display:flex;gap:8px}
.L-a19 .callbar .btn{height:46px;padding:0 20px;font-size:15px;border-radius:10px}
.L-a19 .callbar .btn-kk{background:#fae100;color:#3c1e1e;border-color:#fae100}

/* Footer — 다크 */
.L-a19 .ft{padding:58px 0 42px;background:var(--dk);font-size:14px;color:rgba(255,255,255,.66)}
.L-a19 .ft-top{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.L-a19 .ft-top .logo{color:#fff}
.L-a19 .ft-tel{font-size:23px;font-weight:900;color:#fff}
.L-a19 .ft-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin:24px 0;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1)}
.L-a19 .ft-links a{color:rgba(255,255,255,.72)}
.L-a19 .ft-links a:hover{color:#fff}
.L-a19 .ft-bot{display:flex;flex-direction:column;gap:6px;color:rgba(255,255,255,.55)}

@media (max-width:960px){
  .L-a19 .gnb{position:fixed;inset:76px 0 auto 0;background:var(--dk2);flex-direction:column;align-items:stretch;padding:12px 20px 20px;display:none;margin:0}
  .L-a19 .hd.open .gnb{display:flex}
  .L-a19 .gnb ul{flex-direction:column}
  .L-a19 .hd-tel{display:none}
  .L-a19 .faq-grid,.L-a19 .form-grid{grid-template-columns:1fr;gap:38px}
  .L-a19 .faq-grid .sec-hd,.L-a19 .form-grid .sec-hd{text-align:center}
  .L-a19 .faq-grid .sec-hd .eyebrow,.L-a19 .form-grid .sec-hd .eyebrow{justify-content:center}
  .L-a19 .reviews{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .L-a19 .hd-act .btn{display:none}
  .L-a19 .hero{min-height:clamp(460px,78vh,600px)}
  .L-a19 .hero-in{padding:98px 0 48px}
  .L-a19 .hero h1{font-size:clamp(32px,8.6vw,42px)}
  .L-a19 .hero .lead{font-size:16px}
  .L-a19 .hero-cta .btn-grad{height:60px;font-size:17px;width:100%}
  .L-a19 .sec{padding:60px 0}
  .L-a19 .sec-hd{margin-bottom:34px}
  .L-a19 .reviews{grid-template-columns:1fr}
  .L-a19 .cta-box{padding:34px 24px}
  .L-a19 .cta-box h2{font-size:26px}
  .L-a19 .form-card{padding:22px}
}