*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Pretendard,"Noto Sans KR","Malgun Gothic",Arial,sans-serif;color:#18202b;background:#fff;word-break:keep-all}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
main{display:block}
h1,h2,h3,p{overflow-wrap:break-word}
.section-title{margin-bottom:28px}
.section-title h2{font-size:36px;line-height:1.25;letter-spacing:-1.4px;margin:0 0 8px}
.section-title p{margin:0;color:#687383;line-height:1.7}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{background:#fff;border:1px solid #dfe5eb;border-radius:14px;padding:22px}
.card h3{font-size:21px;line-height:1.4;margin:8px 0}
.card p{font-size:15px;color:#687383;line-height:1.75;margin:0 0 14px}
.card strong{color:#147d88}
.info{padding:64px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:8px;font-weight:900}
.btn-red{background:#147d88;color:#fff!important}
.case-hero{background:linear-gradient(135deg,#0c172b,#132440);color:#fff;padding:54px 0}
.case-hero .crumb{font-size:14px;color:#c7ccd5;margin-bottom:14px}
.case-hero .crumb a{color:#f6c343!important}
.case-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;letter-spacing:-2px;margin:0 0 16px;max-width:980px}
.case-summary{font-size:19px;line-height:1.7;color:#d8dbe1;max-width:850px}
.case-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.case-meta span{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);padding:7px 11px;border-radius:7px;font-weight:900}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;padding:56px 0}
.article-body{min-width:0}
.article-body p{font-size:18px;line-height:1.9;margin:0 0 22px}
.article-body h2{font-size:31px;line-height:1.3;margin:46px 0 16px;padding-left:14px;border-left:5px solid #147d88}
.article-body h3{font-size:24px;margin:34px 0 12px}
.field-photo{margin:28px 0 34px;border-radius:16px;overflow:hidden;background:#eee;border:1px solid #ddd}
.field-photo img{width:100%;height:auto}
.field-photo figcaption{padding:11px 14px;background:#0c172b;color:#fff;font-size:14px}
.fact-box{background:#eef7f7;border:1px solid #c9e3e5;border-radius:14px;padding:20px;margin:28px 0}
.fact-box strong{display:block;font-size:20px;margin-bottom:8px}
.sidebox{position:sticky;top:155px;align-self:start;display:grid;gap:16px}
.side-card{border:1px solid #ddd;border-radius:14px;padding:20px;background:#fff}
.side-card h3{margin:0 0 10px;font-size:21px}
.side-card a{display:block;padding:9px 0;border-bottom:1px solid #eee;font-weight:900}
.side-card a:last-child{border-bottom:0}
.side-call{background:#147d88;color:#fff;text-align:center}
.side-call strong{display:block;font-size:25px;margin:8px 0}
.side-call a{background:#fff;color:#0c172b!important;border-radius:9px;margin-top:12px;border:0}
.related-cases{padding:56px 0;background:#f6f7f9}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-item{background:#fff;border:1px solid #e0e2e6;border-radius:14px;padding:20px}
.related-item b{display:block;color:#147d88;margin-bottom:6px}
.case-listing{padding:60px 0}
.case-filter-note{background:#eef7f7;border:1px solid #c9e3e5;border-radius:12px;padding:16px;margin-bottom:25px}
.case-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-list-card{border:1px solid #e2e4e8;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 8px 24px #0000000b}
.case-list-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-list-card .inside{padding:18px}
.case-list-card .region-tag{color:#147d88;font-weight:1000;font-size:13px}
.case-list-card h2{font-size:21px;line-height:1.35;margin:6px 0 10px}
.case-list-card p{color:#686e79;margin:0 0 12px;line-height:1.65}
.site-footer{margin-top:0}
.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:120;display:none}
.bottom-bar a{flex:1;min-height:54px;align-items:center;justify-content:center;font-weight:1000;color:#fff!important;background:#0c172b}
.bottom-bar a:nth-child(2){background:#1565c0}
.bottom-bar a:nth-child(3){background:#147d88}
@media(max-width:900px){
 .article-layout{grid-template-columns:1fr}
 .sidebox{position:static}
 .related-grid,.case-list-grid,.cards{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
 .bottom-bar{display:flex}
 body{padding-bottom:54px}
}
@media(max-width:620px){
 .wrap{width:min(100% - 28px,1180px)}
 .case-hero{padding:40px 0}
 .case-hero h1{font-size:36px;letter-spacing:-1.5px}
 .article-layout{padding:38px 0}
 .article-body p{font-size:17px}
 .related-grid,.case-list-grid,.cards{grid-template-columns:1fr}
}

/* ==================================================
   V7 clean UI override
   ================================================== */
:root{
  --v7-navy:#0c172b;
  --v7-navy-2:#132440;
  --v7-blue:#1565c0;
  --v7-teal:#147d88;
  --v7-gold:#f6c343;
  --v7-red:#d9363e;
  --v7-text:#18202b;
  --v7-muted:#657080;
  --v7-bg:#f4f7fa;
  --v7-line:#dfe5eb;
}
html,body{background:#fff;color:var(--v7-text)}
a,a:link,a:visited,a:hover,a:active{
  color:inherit !important;
  text-decoration:none !important;
}
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 0 rgba(15,31,50,.12)}
.header-main{background:#fff}
.header-inner{min-height:84px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:50px;height:50px;border-radius:14px;background:linear-gradient(145deg,var(--v7-teal),#0d5962);color:#fff;display:grid;place-items:center;font-size:27px;font-weight:1000;box-shadow:inset 0 0 0 4px rgba(255,255,255,.16)}
.brand-copy{line-height:1.15}
.brand-copy small{display:block;font-size:11px;color:#677383;font-weight:800;margin-bottom:4px}
.brand-copy strong{display:block;font-size:24px;letter-spacing:-1px;color:#152033}
.brand-copy strong span{color:var(--v7-teal)}
.header-trust{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.header-trust span{font-size:13px;font-weight:800;color:#4b5665;background:#f3f6f8;border:1px solid #e0e5ea;border-radius:999px;padding:7px 11px}
.header-phone{background:var(--v7-navy);color:#fff !important;border-radius:12px;padding:10px 18px;text-align:right;line-height:1.15}
.header-phone small{display:block;color:#cbd6e5;font-size:11px;font-weight:700;margin-bottom:3px}
.header-phone strong{font-size:22px;letter-spacing:-.5px}
.primary-nav{background:var(--v7-teal)}
.nav-inner{min-height:52px;display:flex;align-items:stretch;justify-content:center}
.nav-inner a{color:#fff !important;display:flex;align-items:center;justify-content:center;padding:0 30px;font-size:15px;font-weight:900;border-left:1px solid rgba(255,255,255,.17)}
.nav-inner a:last-child{border-right:1px solid rgba(255,255,255,.17)}
.nav-inner a:hover{background:rgba(0,0,0,.12)}

.v7-hero{background:
linear-gradient(105deg,rgba(8,20,38,.99) 0%,rgba(8,20,38,.97) 52%,rgba(8,20,38,.60) 100%),
url('/assets/hero-technician.jpg') right center/cover no-repeat;color:#fff}
.v7-hero-grid{min-height:560px;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:55px;align-items:center;padding-top:60px;padding-bottom:60px}
.eyebrow{margin:0 0 14px;font-size:14px;font-weight:1000;letter-spacing:.08em;color:var(--v7-gold)}
.eyebrow.dark{color:var(--v7-teal)}
.v7-hero h1{font-size:clamp(42px,5.3vw,68px);line-height:1.13;letter-spacing:-3px;margin:0 0 22px}
.v7-hero h1 em{font-style:normal;color:#fff}
.hero-lead{font-size:19px;line-height:1.75;color:#dce5ef;max-width:750px;margin:0}
.hero-points{display:flex;flex-wrap:wrap;gap:9px;margin:27px 0}
.hero-points span{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);border-radius:999px;padding:8px 12px;font-size:14px;font-weight:800}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.primary-button,.secondary-button,.outline-button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;border-radius:9px;padding:0 21px;font-weight:1000}
.primary-button{background:var(--v7-red);color:#fff !important}
.secondary-button{background:#fff;color:var(--v7-navy) !important;border:1px solid #fff}
.secondary-button.light{margin-top:18px}
.outline-button{border:1px solid #cbd3dc;background:#fff;color:#253244 !important}
.hero-contact-card{background:#fff;color:var(--v7-text);border-radius:18px;padding:28px;box-shadow:0 22px 60px rgba(0,0,0,.25)}
.hero-contact-card p{font-size:14px;color:var(--v7-muted);font-weight:900;margin:0 0 5px}
.hero-contact-card strong{display:block;font-size:31px;color:var(--v7-teal);letter-spacing:-1px;margin-bottom:17px}
.hero-contact-card ul{list-style:none;padding:0;margin:0 0 20px;border-top:1px solid var(--v7-line)}
.hero-contact-card li{padding:11px 0;border-bottom:1px solid var(--v7-line);font-size:14px;font-weight:700}
.hero-contact-card li:before{content:"✓";color:var(--v7-teal);font-weight:1000;margin-right:9px}
.hero-contact-card a{display:flex;min-height:49px;align-items:center;justify-content:center;background:var(--v7-navy);color:#fff !important;border-radius:8px;font-weight:900}

.quick-services{background:#fff;border-bottom:1px solid var(--v7-line)}
.quick-grid{display:grid;grid-template-columns:repeat(5,1fr)}
.quick-grid a{padding:23px 20px;border-right:1px solid var(--v7-line);position:relative}
.quick-grid a:first-child{border-left:1px solid var(--v7-line)}
.quick-grid a:before{content:"";position:absolute;left:20px;top:0;width:38px;height:4px;background:var(--v7-teal)}
.quick-grid b{display:block;font-size:18px;margin-bottom:4px}
.quick-grid span{display:block;font-size:13px;color:var(--v7-muted)}

.home-section{padding:78px 0;background:var(--v7-bg)}
.home-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:31px}
.home-heading.centered{justify-content:center;text-align:center}
.home-heading h2{font-size:38px;line-height:1.25;letter-spacing:-1.5px;margin:0}
.home-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.home-case-card{background:#fff;border:1px solid var(--v7-line);border-radius:14px;overflow:hidden;box-shadow:0 10px 35px rgba(32,49,68,.07)}
.home-case-image{display:block;aspect-ratio:16/10;overflow:hidden;background:#dbe1e7}
.home-case-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.home-case-card:hover img{transform:scale(1.035)}
.home-case-content{padding:21px}
.home-case-content>span{display:inline-block;font-size:12px;font-weight:1000;color:var(--v7-teal);margin-bottom:7px}
.home-case-content h3{font-size:20px;line-height:1.38;margin:0 0 9px}
.home-case-content p{font-size:14px;color:var(--v7-muted);line-height:1.65;margin:0 0 14px}
.text-link{font-size:14px;font-weight:1000;color:var(--v7-teal) !important}

.process-section{padding:78px 0;background:#fff}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.process-grid article{border:1px solid var(--v7-line);border-radius:13px;padding:25px;background:#fff}
.process-grid article span{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:10px;background:#e7f3f4;color:var(--v7-teal);font-weight:1000}
.process-grid h3{font-size:20px;margin:18px 0 9px}
.process-grid p{color:var(--v7-muted);font-size:14px;line-height:1.7;margin:0}

.region-hub{background:var(--v7-navy);color:#fff;padding:72px 0}
.region-hub-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:70px;align-items:center}
.region-hub h2{font-size:39px;line-height:1.25;letter-spacing:-1.5px;margin:0 0 15px}
.region-hub p{color:#cbd6e4;line-height:1.75}
.region-columns{display:grid;gap:13px}
.region-columns a{display:block;background:#fff;color:var(--v7-text) !important;border-radius:12px;padding:20px 22px}
.region-columns b{display:block;font-size:20px;color:var(--v7-teal);margin-bottom:5px}
.region-columns span{font-size:14px;color:var(--v7-muted)}

.trust-section{padding:37px 0;background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-grid div{text-align:center;padding:10px;border-right:1px solid var(--v7-line)}
.trust-grid div:last-child{border-right:0}
.trust-grid strong{display:block;font-size:31px;color:var(--v7-teal)}
.trust-grid span{font-size:14px;color:var(--v7-muted);font-weight:800}

.site-footer{background:#101927;color:#d5deea;padding:45px 0 85px}
.site-footer a{color:#fff !important}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.footer-grid strong{font-size:23px;color:#fff}
.footer-grid p{margin:8px 0;color:#bdc8d5}
.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bottom-bar a:nth-child(3){background:var(--v7-teal);color:#fff !important}

/* V7 article and listing cleanups */
.case-hero{background:linear-gradient(135deg,var(--v7-navy),var(--v7-navy-2))}
.case-hero .crumb a{color:var(--v7-gold) !important}
.case-meta span{border-radius:7px;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.16)}
.article-body h2{border-left-color:var(--v7-teal)}
.fact-box{background:#eef7f7;border-color:#c9e3e5}
.side-call{background:var(--v7-teal)}
.side-call a{background:#fff;color:var(--v7-navy) !important}
.case-list-card .region-tag,.related-item b{color:var(--v7-teal)}
.btn-red{background:var(--v7-teal);color:#fff !important}
.case-filter-note{background:#eef7f7;border-color:#c9e3e5}
.field-photo figcaption{background:var(--v7-navy)}

@media(max-width:1050px){
  .header-trust{display:none}
  .nav-inner a{padding:0 18px}
  .v7-hero-grid{grid-template-columns:1fr 320px;gap:30px}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
  .quick-grid a:first-child{border-left:0}
  .home-case-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .site-header{position:relative}
  .header-inner{min-height:72px}
  .header-phone{padding:9px 11px}
  .header-phone small{display:none}
  .header-phone strong{font-size:16px}
  .brand-mark{width:42px;height:42px}
  .brand-copy strong{font-size:18px}
  .brand-copy small{display:none}
  .primary-nav{overflow:auto}
  .nav-inner{width:max-content;min-width:100%;justify-content:flex-start}
  .nav-inner a{min-height:48px;padding:0 18px;white-space:nowrap}
  .v7-hero-grid{grid-template-columns:1fr;min-height:auto;padding-top:44px;padding-bottom:44px}
  .hero-contact-card{max-width:520px}
  .quick-grid{grid-template-columns:1fr 1fr}
  .home-heading{align-items:flex-start;flex-direction:column}
  .home-case-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .region-hub-grid{grid-template-columns:1fr;gap:32px}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-grid div:nth-child(2){border-right:0}
  .trust-grid div{border-bottom:1px solid var(--v7-line)}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .brand-copy strong{font-size:16px}
  .header-phone strong{font-size:14px}
  .v7-hero h1{font-size:38px;letter-spacing:-2px}
  .hero-lead{font-size:16px}
  .hero-buttons{display:grid}
  .quick-grid{grid-template-columns:1fr}
  .quick-grid a{border-right:0;border-bottom:1px solid var(--v7-line)}
  .home-heading h2,.region-hub h2{font-size:31px}
  .trust-grid strong{font-size:25px}
}