:root{--navy:#071c26;--deep:#0b2833;--teal:#16a6a1;--mint:#9de0d2;--paper:#f4f6f2;--ink:#10272e;--muted:#697b7d;--line:#d9e1dd}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Pretendard,"Noto Sans KR",Arial,sans-serif;word-break:keep-all}a{text-decoration:none;color:inherit}p{line-height:1.75}.skip-link{position:fixed;z-index:9999;top:8px;left:8px;padding:12px 16px;background:#fff;color:var(--navy);font-weight:800;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{height:82px;display:flex;align-items:center;gap:42px;padding:0 5vw;background:#fff;border-bottom:1px solid #e9eeea;position:relative;z-index:50}.brand{display:flex;align-items:center;gap:11px;min-width:max-content}.mark{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;background:var(--teal);color:#fff;font:900 21px Georgia}.brand b{display:block;font-size:20px;letter-spacing:-.04em}.brand small{display:block;margin-top:2px;color:#819093;font-size:10px;letter-spacing:.14em}.site-header nav{margin:auto;display:flex;gap:30px;font-size:15px;font-weight:750}.site-header nav a:hover{color:var(--teal)}.head-call{display:flex;flex-direction:column;padding:10px 18px;border-radius:5px;background:var(--navy);color:#fff}.head-call small{font-size:11px;color:var(--mint)}.head-call strong{font-size:16px;margin-top:2px}.menu{display:none}
.hero{min-height:680px;display:grid;grid-template-columns:1fr 1fr;background:linear-gradient(135deg,#eaf4f0,#dcece8);overflow:hidden}.hero-copy{padding:105px 5vw 75px 8vw}.eyebrow,.title>p{color:var(--teal);font-size:13px;font-weight:850;letter-spacing:.19em}.hero h1{font-size:16px;letter-spacing:.14em;margin:25px 0 12px}.hero h2{font-size:clamp(44px,5vw,74px);line-height:1.13;letter-spacing:-.06em;margin:0 0 25px}.hero h2 em{font-style:normal;color:var(--teal)}.hero-copy>p:not(.eyebrow){font-size:18px;color:#526b6f}.actions{display:flex;gap:10px;margin-top:30px}.btn{min-height:54px;display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:0 22px;border-radius:5px;font-size:15px;font-weight:800}.primary{background:var(--teal);color:#fff;box-shadow:0 14px 30px rgba(22,166,161,.22)}.outline{border:1px solid #92b4ae;background:rgba(255,255,255,.4)}.hero-copy ul{display:flex;flex-wrap:wrap;gap:22px;list-style:none;padding:0;margin:34px 0 0;font-size:13px;font-weight:750;color:#53696d}.hero-copy li:before{content:"✓";color:var(--teal);margin-right:6px}.hero-photo{position:relative;overflow:hidden;background:#16343d}.hero-photo>img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:center}.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,28,38,.05),rgba(7,28,38,.2)),linear-gradient(180deg,transparent 50%,rgba(7,28,38,.42))}.float{position:absolute;z-index:2;left:30px;bottom:30px;width:290px;padding:22px;background:rgba(255,255,255,.92);backdrop-filter:blur(9px);border-radius:8px}.float small,.float b,.float span{display:block}.float small{font-size:11px;letter-spacing:.16em;color:var(--teal)}.float b{margin:10px 0 5px;font-size:19px}.float span{font-size:13px;color:var(--muted)}
.trust{display:grid;grid-template-columns:1.5fr repeat(4,1fr);align-items:center;min-height:92px;padding:0 7vw;background:var(--navy);color:#fff}.trust>b{font-size:17px}.trust span{display:flex;gap:12px;align-items:center;color:#a8b8b8;font-size:14px}.trust i{font-style:normal;color:var(--mint);font-size:12px}
.section{width:min(1160px,89%);margin:auto;padding:100px 0}.title{display:grid;grid-template-columns:.7fr 1.2fr 1fr;gap:45px;align-items:end;margin-bottom:50px}.title h2{font-size:40px;line-height:1.3;letter-spacing:-.045em;margin:0}.title>p{align-self:start}.title>span{font-size:15px;line-height:1.75;color:var(--muted)}.title.light h2{color:#fff}.title.light>span{color:#93a8aa}.title.center{display:block;text-align:center;max-width:740px;margin:0 auto 50px}.title.center h2{margin:12px 0}.symptoms{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.symptoms article{min-height:205px;padding:27px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.25s}.symptoms article:hover{background:#f2faf7;transform:translateY(-4px)}.symptoms article>b{font-size:12px;color:#94a4a2}.symptoms h3{font-size:21px;margin:30px 0 10px}.symptoms p{font-size:14px;color:var(--muted);margin:0}
.dark{background:var(--navy);color:#fff}.service-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #28434b;border-left:1px solid #28434b}.service-grid article{padding:34px;border-right:1px solid #28434b;border-bottom:1px solid #28434b}.service-grid span{color:var(--mint);font-size:12px}.service-grid h3{font-size:26px;margin:12px 0 28px}.service-grid b{display:block;color:#9de0d2;font-size:12px;margin-top:18px}.service-grid p{font-size:14px;color:#9cb0b2;margin:5px 0}
.equipment{display:grid;grid-template-columns:1fr 1fr;gap:80px}.equipment-copy h2{font-size:40px;line-height:1.35;letter-spacing:-.045em;margin:18px 0}.equipment-copy>p:not(.eyebrow){font-size:15px;color:var(--muted)}.equipment-photo{height:290px;margin-top:32px;border-radius:5px;background:url("/assets/images/leak-equipment.png") center/cover no-repeat}.equipment-list article{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}.equipment-list article>b{color:var(--teal);font-size:12px;padding-top:5px}.equipment-list h3{font-size:19px;margin:0 0 7px}.equipment-list p{font-size:14px;color:var(--muted);margin:0}
.process-wrap{background:var(--paper)}.process{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.process li{min-height:125px;padding:22px;background:#fff;border:1px solid #e2e8e3}.process b{display:block;color:var(--teal);font-size:12px;margin-bottom:25px}.process span{font-size:15px;font-weight:800}.process li:last-child{background:var(--teal);color:#fff}.process li:last-child b{color:#fff}
.compare-grid{display:grid;grid-template-columns:1fr 65px 1fr;align-items:center}.compare-grid article{padding:38px;border-radius:6px}.compare-grid small{font-size:12px;font-weight:800;letter-spacing:.08em}.compare-grid h3{font-size:24px;margin:12px 0 24px}.compare-grid p{font-size:15px;margin:9px 0}.risk{background:#f5f2ef;color:#6e6560}.exact{background:#e8f7f3}.exact p{color:#22776f}.vs{text-align:center;font-size:14px;font-weight:900;color:#899798}.note{text-align:center;font-size:13px;color:var(--muted);margin-top:25px}
.cases-wrap{background:var(--deep)}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.case-grid article{background:#fff;padding:28px}.case-grid small{color:var(--teal);font-size:12px;font-weight:800}.case-grid h3{font-size:21px;margin:12px 0 22px}.case-grid dl{margin:0}.case-grid dt{color:var(--teal);font-size:12px;font-weight:800;margin-top:15px}.case-grid dd{font-size:14px;line-height:1.7;color:var(--muted);margin:4px 0 0}
.cost-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.cost-grid article{padding:28px 24px;border:1px solid var(--line);background:#fff}.cost-grid article>b{color:var(--teal);font-size:12px}.cost-grid h3{font-size:20px;margin:22px 0 12px}.cost-grid p{font-size:14px;color:var(--muted);margin:0}.cost .note{margin-top:20px}
.districts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.districts article{padding:25px;background:var(--paper);border-top:3px solid var(--teal)}.districts h3{margin:0 0 22px;font-size:22px}.districts h3 small{float:right;color:var(--muted);font-size:11px;font-weight:500;margin-top:7px}.districts article>div{display:flex;flex-wrap:wrap;gap:7px}.districts span{padding:8px 10px;background:#fff;border:1px solid var(--line);font-size:13px}
.districts article>p{min-height:68px;margin:-7px 0 20px;color:var(--muted);font-size:14px}
.self-check{background:#0a3038;color:#fff}.self-check ol{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;list-style:none;padding:0;margin:0}.self-check li{padding:22px 18px;border:1px solid #31535a;min-height:130px}.self-check li b{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--teal);font-size:13px;margin-bottom:24px}.self-check li span{font-size:14px;line-height:1.6}
.faq-list{max-width:880px;margin:auto;border-top:2px solid var(--navy)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{display:grid;grid-template-columns:42px 1fr 28px;align-items:center;gap:10px;padding:24px 8px;cursor:pointer;list-style:none;font-size:16px;font-weight:800}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{color:var(--teal);font-size:12px}.faq-list summary>b{font-size:24px;font-weight:400;color:#8b9998;transition:.2s}.faq-list details[open] summary>b{transform:rotate(45deg)}.faq-list details>p{margin:0;padding:0 45px 24px 60px;color:var(--muted);font-size:14px}
.cta{text-align:center;padding:85px 5%;background:linear-gradient(120deg,#0ba59f,#087d7c);color:#fff}.cta>p{font-size:12px;letter-spacing:.18em}.cta h2{font-size:40px;line-height:1.4;letter-spacing:-.04em}.cta>span{font-size:14px;color:#d1f0e8}.cta .actions{justify-content:center}.white{background:#fff;color:var(--ink)}.outline-white{border:1px solid rgba(255,255,255,.6);color:#fff}
.branches{background:#eef3ef}.branches .section{padding:65px 0}.branches h2{font-size:27px;margin:0}.branches p{font-size:14px;color:var(--muted)}.branches .section>div{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;margin-top:24px}.branches a{display:flex;justify-content:space-between;padding:12px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:750}.branches a:hover{color:var(--teal);border-color:var(--teal)}
.regional-network{background:#eef3ef}.regional-network .section{padding:65px 0}.regional-network h2{font-size:30px;margin:10px 0}.regional-network .section>p:not(.eyebrow){font-size:14px;color:var(--muted)}.regional-network nav{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:25px}.regional-network nav a{padding:13px 10px;background:#fff;border:1px solid var(--line);text-align:center;font-size:14px;font-weight:800}.regional-network nav a:hover{color:var(--teal);border-color:var(--teal)}
footer{padding:50px 5.5% 28px;background:#061820;color:#fff}footer>div{display:flex;align-items:center;gap:65px}footer .inverse small{color:#789092}footer p{font-size:12px;color:#84999c}.foot-phone{margin-left:auto;color:var(--mint);font-size:23px;font-weight:850}.business-info{margin-top:32px;padding:22px 0;border-top:1px solid #1e353c;border-bottom:1px solid #1e353c}.business-info>strong{display:block;margin-bottom:10px;color:#d7e1e1;font-size:13px}.business-info p{display:flex;flex-wrap:wrap;gap:8px 24px;margin:0}.business-info p span{font-size:12px;color:#9aabad}.business-info address{margin-top:8px;color:#84999c;font-size:12px;font-style:normal}.business-info a{color:var(--mint)}footer aside{display:flex;justify-content:space-between;margin-top:20px;padding-top:0;font-size:11px;color:#657c80}.mobile-bar{display:none}
@media(max-width:950px){.site-header nav{display:none;position:absolute;top:70px;left:0;right:0;padding:20px;background:#fff;box-shadow:0 15px 25px rgba(0,0,0,.08)}.site-header nav.open{display:grid}.menu{display:flex;flex-direction:column;gap:4px;margin-left:auto;background:none;border:0}.menu i{width:21px;height:2px;background:var(--ink)}.head-call{display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:80px 7vw}.hero-photo{min-height:450px}.trust{grid-template-columns:repeat(4,1fr)}.trust>b{display:none}.title{grid-template-columns:1fr}.title>p{margin-bottom:-25px}.service-grid,.equipment{gap:35px}.process,.cost-grid{grid-template-columns:repeat(2,1fr)}.case-grid,.districts{grid-template-columns:1fr}.self-check ol{grid-template-columns:repeat(2,1fr)}.branches .section>div{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){body{padding-bottom:62px}.site-header{height:66px;padding:0 5%}.mark{width:36px;height:36px}.brand b{font-size:18px}.hero-copy{padding:65px 6% 55px}.hero h2{font-size:44px}.hero-copy>p:not(.eyebrow){font-size:16px}.actions{flex-direction:column}.hero-photo{min-height:330px}.float{left:15px;right:15px;bottom:15px;width:auto}.trust{grid-template-columns:repeat(2,1fr);padding:18px 6%;gap:16px}.section{padding:72px 0}.title h2,.equipment-copy h2{font-size:32px}.symptoms,.service-grid,.equipment,.cost-grid{grid-template-columns:1fr}.symptoms article{min-height:170px}.equipment-photo{height:230px}.process{grid-template-columns:1fr}.compare-grid{grid-template-columns:1fr}.vs{padding:12px}.case-grid{grid-template-columns:1fr}.self-check ol{grid-template-columns:1fr}.self-check li{min-height:95px}.cta h2{font-size:31px}.branches .section>div{grid-template-columns:repeat(2,1fr)}footer>div{display:block}footer p{margin:22px 0}.foot-phone{display:block}.business-info p{display:grid;gap:6px}.business-info address{line-height:1.6}footer aside{display:grid;gap:8px}.mobile-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;z-index:70;left:0;right:0;bottom:0;height:62px}.mobile-bar a{display:grid;place-items:center;background:var(--teal);color:#fff;font-size:15px;font-weight:850}.mobile-bar a+ a{background:var(--navy)}}
@media(max-width:600px){.faq-list summary{grid-template-columns:30px 1fr 22px;padding:20px 2px;font-size:15px}.faq-list details>p{padding:0 28px 20px 40px}}
@media(max-width:950px){.regional-network nav{grid-template-columns:repeat(3,1fr)}}@media(max-width:600px){.regional-network nav{grid-template-columns:repeat(2,1fr)}.regional-network h2{font-size:26px}}
.logo-mark{width:48px;height:48px;display:grid;place-items:center;flex:none}.logo-mark svg{width:48px;height:48px;overflow:visible}.logo-pipe{fill:none;stroke:var(--navy);stroke-width:4.2;stroke-linecap:round;stroke-linejoin:round}.logo-drop{fill:var(--teal)}.logo-shine{fill:none;stroke:#fff;stroke-width:2.1;stroke-linecap:round}.brand b{font-size:21px;letter-spacing:-.055em}.brand b em{font-style:normal;color:var(--teal);margin-right:1px}.inverse .logo-pipe{stroke:#fff}
@media(max-width:600px){.logo-mark,.logo-mark svg{width:40px;height:40px}.brand b{font-size:18px}}
.top-info{height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:var(--navy);color:#fff;font-size:12px;letter-spacing:.02em}.top-info>span{font-weight:800;color:var(--mint)}.top-info>b{font-weight:650;color:#c9d5d5}.top-info i{padding:0 7px;color:var(--teal);font-style:normal}
@media(max-width:600px){.top-info{height:34px;padding:0 4%;font-size:11px;gap:8px;white-space:nowrap}.top-info i{padding:0 2px}.top-info>b{font-size:10.5px}}
.case-grid figure{margin:-28px -28px 24px;position:relative;overflow:hidden;background:#dce6e2}.case-grid figure img{display:block;width:100%;height:250px;object-fit:cover;object-position:center}.case-grid figcaption{position:absolute;left:12px;bottom:12px;padding:7px 10px;border-radius:3px;background:rgba(7,28,38,.82);color:#fff;font-size:11px}
@media(max-width:950px){.case-grid figure img{height:360px}}@media(max-width:600px){.case-grid figure img{height:280px}}
#cases .title,#cost .title,#areas .title,.self-check .title{display:block;max-width:780px;margin:0 auto 50px;text-align:center}
#cases .title>p,#cost .title>p,#areas .title>p,.self-check .title>p{margin-bottom:0}
#cases .title h2,#cost .title h2,#areas .title h2,.self-check .title h2{margin:12px 0}
#symptoms .title,#services .title,#process .title{display:block;max-width:780px;margin:0 auto 50px;text-align:center}
#symptoms .title>p,#services .title>p,#process .title>p{margin-bottom:0}
#symptoms .title h2,#services .title h2,#process .title h2{margin:12px 0}