:root{
  --primary:#078795;
  --primary-dark:#056873;
  --dark:#10242b;
  --text:#17242a;
  --muted:#68777d;
  --light:#f4f9fa;
  --line:#e3e9eb;
  --white:#ffffff;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  font-family:Arial,"Noto Sans KR",sans-serif;
  color:var(--text);
  line-height:1.65;
  background:#fff;
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

.container{
  width:min(1180px,88%);
  margin:auto;
}

/* HEADER */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
}

.header-inner{
  height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand{
  font-size:25px;
  font-weight:900;
  color:var(--primary);
  letter-spacing:-1px;
}

.nav{
  display:flex;
  align-items:center;
  gap:30px;
  font-weight:700;
}

.nav a:hover{color:var(--primary)}

.header-quote{
  padding:11px 18px;
  background:var(--primary);
  color:#fff!important;
  border-radius:8px;
}

/* HERO */
.hero{
  min-height:650px;
  display:flex;
  align-items:center;
  background:
    radial-gradient(circle at 80% 30%,rgba(7,135,149,.10),transparent 28%),
    linear-gradient(135deg,#effafb,#fff);
}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:60px;
  align-items:center;
}

.eyebrow{
  color:var(--primary);
  font-weight:900;
  font-size:19px;
  margin-bottom:14px;
}

.hero h1{
  font-size:55px;
  line-height:1.18;
  letter-spacing:-2.3px;
  margin-bottom:22px;
}

.hero-text{
  font-size:20px;
  color:#45555b;
  margin-bottom:30px;
}

.actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:15px 24px;
  border-radius:9px;
  font-weight:900;
  transition:.2s;
}

.btn-primary{
  background:var(--primary);
  color:#fff;
}

.btn-primary:hover{background:var(--primary-dark)}

.btn-outline{
  border:2px solid var(--primary);
  color:var(--primary);
  background:#fff;
}

.hero-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:35px;
  box-shadow:0 20px 60px rgba(18,54,63,.10);
}

.hero-panel-label{
  color:var(--primary);
  font-weight:900;
  margin-bottom:10px;
}

.hero-panel h3{
  font-size:27px;
  line-height:1.35;
  margin-bottom:20px;
}

.check-list{
  list-style:none;
  display:grid;
  gap:12px;
}

.check-list li:before{
  content:"✓";
  color:var(--primary);
  font-weight:900;
  margin-right:10px;
}

/* COMMON */
.section{
  padding:90px 0;
}

.section-light{
  background:var(--light);
}

.section-title{
  font-size:38px;
  letter-spacing:-1.5px;
  margin-bottom:12px;
}

.section-desc{
  color:var(--muted);
  margin-bottom:38px;
  font-size:17px;
}

/* SERVICES */
.service-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.service-card{
  min-height:205px;
  padding:28px 24px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  transition:.2s;
}

.service-card:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 35px rgba(20,50,60,.08);
  border-color:#b7dfe3;
}

.service-number{
  font-size:13px;
  color:var(--primary);
  font-weight:900;
  margin-bottom:25px;
}

.service-card h3{
  font-size:21px;
  margin-bottom:9px;
}

.service-card p{
  color:var(--muted);
  font-size:15px;
}

/* PROCESS */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.process{
  padding:25px 0;
}

.process strong{
  display:block;
  color:var(--primary);
  margin-bottom:9px;
}

.process h3{
  margin-bottom:7px;
}

/* CASES */
.case-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.case{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
}

.case-image{
  position:relative;
  height:220px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#dceff1,#f4f9fa);
  color:#789197;
  font-weight:800;
  overflow:hidden;
}

.case-image img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}

.case-body{
  position:relative;
  z-index:1;
  padding:22px;
  background:#fff;
}

.case-tag{
  color:var(--primary);
  font-weight:900;
  font-size:14px;
}

.case h3{
  margin:7px 0;
}

/* AREAS */
.area-grid{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.area-link{
  padding:13px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  font-weight:800;
}

.area-link:hover{
  border-color:var(--primary);
  color:var(--primary);
}

/* TRUST */
.trust-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.trust{
  padding:30px;
  border-left:3px solid var(--primary);
  background:#fff;
}

.trust h3{
  margin-bottom:8px;
}

/* CTA */
.cta{
  padding:85px 0;
  background:var(--dark);
  color:#fff;
}

.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}

.cta h2{
  font-size:38px;
  line-height:1.3;
}

.cta p{
  margin-top:12px;
  color:#cbd5d8;
}

.cta .btn-outline{
  color:#fff;
  border-color:#fff;
  background:transparent;
}

/* FOOTER */
footer{
  background:#09181d;
  color:#aebdc1;
  padding:45px 0 90px;
}

footer strong{
  color:#fff;
  font-size:20px;
}

/* MOBILE FIXED */
.mobile-contact{
  display:none;
}

/* RESPONSIVE */
@media(max-width:900px){
  .nav{display:none}

  .hero{
    min-height:auto;
    padding:80px 0;
  }

  .hero-grid{
    grid-template-columns:1fr;
  }

  .hero h1{
    font-size:43px;
  }

  .service-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .process-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .case-grid{
    grid-template-columns:1fr;
  }

  .trust-grid{
    grid-template-columns:1fr;
  }
}

@media(max-width:600px){
  .container{width:90%}

  .header-inner{height:65px}

  .brand{font-size:20px}

  .hero{
    padding:60px 0 75px;
  }

  .hero h1{
    font-size:36px;
    letter-spacing:-1.5px;
  }

  .hero-text{
    font-size:17px;
  }

  .hero-panel{
    padding:25px;
  }

  .section{
    padding:65px 0;
  }

  .section-title{
    font-size:31px;
  }

  .service-grid{
    grid-template-columns:1fr;
  }

  .process-grid{
    grid-template-columns:1fr;
  }

  .cta-inner{
    display:block;
  }

  .cta h2{
    font-size:31px;
  }

  .cta .actions{
    margin-top:25px;
  }

  .mobile-contact{
    display:grid;
    grid-template-columns:1fr 1fr;
    position:fixed;
    bottom:0;
    left:0;
    width:100%;
    z-index:2000;
    box-shadow:0 -5px 20px rgba(0,0,0,.12);
  }

  .mobile-contact a{
    padding:16px 8px;
    text-align:center;
    font-weight:900;
  }

  .mobile-call{
    background:var(--primary);
    color:#fff;
  }

  .mobile-quote{
    background:#fff;
    color:var(--primary);
  }
}

/* 견적상담 CTA 버튼 강조 */
.hero .actions .btn,
.cta .actions .btn{
  min-height:58px;
  padding:17px 30px;
  font-size:18px;
  font-weight:900;
  border-radius:10px;
}

.cta .actions .btn{
  min-width:245px;
}

@media (max-width:768px){
  .hero .actions .btn,
  .cta .actions .btn{
    min-height:54px;
    padding:15px 20px;
    font-size:17px;
  }

  .cta .actions .btn{
    min-width:0;
    width:100%;
  }
}

/* 견적 버튼 최종 강조 */
.hero .actions .btn{
  min-height:68px;
  padding:20px 34px;
  font-size:20px;
  min-width:190px;
}

.cta .actions .btn{
  min-height:72px;
  padding:20px 34px;
  font-size:20px;
  min-width:285px;
}

@media (max-width:768px){
  .hero .actions .btn{
    min-height:58px;
    min-width:0;
    padding:16px 20px;
    font-size:17px;
  }

  .cta .actions .btn{
    min-height:60px;
    min-width:0;
    width:100%;
    padding:16px 20px;
    font-size:17px;
  }
}

/* 상담 CTA 최종 디자인 */
.estimate-btn,
.cta-contact-btn{
  flex-direction:column;
  gap:4px;
  min-height:76px !important;
  padding:15px 30px !important;
  min-width:245px;
  text-align:center;
}

.estimate-title{
  display:block;
  font-size:20px;
  font-weight:900;
  line-height:1.2;
}

.estimate-sub{
  display:block;
  font-size:14px;
  font-weight:700;
  line-height:1.2;
  opacity:.85;
}

.hero .actions{
  gap:14px;
}

.cta .actions{
  gap:16px;
}

.cta-contact-btn{
  min-width:270px !important;
}

@media (max-width:768px){
  .estimate-btn,
  .cta-contact-btn{
    min-width:0 !important;
    width:100%;
    min-height:66px !important;
    padding:13px 18px !important;
  }

  .estimate-title{
    font-size:18px;
  }

  .estimate-sub{
    font-size:13px;
  }
}

/* 헤더 이미지 로고 */
.brand-logo{
  display:flex;
  align-items:center;
  height:76px;
  overflow:hidden;
}

.brand-logo img{
  display:block;
  width:105px;
  height:105px;
  object-fit:contain;
}

@media(max-width:600px){
  .brand-logo{
    height:65px;
  }

  .brand-logo img{
    width:88px;
    height:88px;
  }
}

/* 헤더 로고 + 상호명 최종 */
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  height:76px;
  text-decoration:none;
  overflow:visible;
  flex-shrink:0;
}

.brand-logo img{
  display:block;
  width:72px;
  height:72px;
  object-fit:contain;
}

.brand-name{
  display:block;
  color:#0b4a86;
  font-size:25px;
  font-weight:900;
  line-height:1;
  letter-spacing:-1.2px;
  white-space:nowrap;
}

@media(max-width:600px){
  .brand-logo{
    height:65px;
    gap:6px;
  }

  .brand-logo img{
    width:57px;
    height:57px;
  }

  .brand-name{
    font-size:18px;
    letter-spacing:-.8px;
  }
}

/* 구글폼 무료 견적 신청 CTA */
.form-estimate-wrap{
  margin-top:32px;
  display:flex;
  justify-content:center;
}

.form-estimate-btn{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;

  width:min(100%, 620px);
  min-height:92px;
  padding:18px 28px;

  border-radius:14px;
  text-decoration:none;
  text-align:center;

  color:#fff;
  background:linear-gradient(135deg,#0793a5 0%,#0878b9 55%,#0b4a86 100%);

  box-shadow:0 8px 22px rgba(7,120,170,.22);
  transition:
    transform .25s ease,
    box-shadow .25s ease,
    filter .25s ease;
}

.form-estimate-btn span{
  font-size:14px;
  font-weight:800;
  opacity:.9;
}

.form-estimate-btn strong{
  font-size:21px;
  font-weight:900;
  line-height:1.35;
  letter-spacing:-.6px;
}

/* 빛이 슥 지나가는 효과 */
.form-estimate-btn::after{
  content:"";
  position:absolute;
  top:-60%;
  left:-45%;
  width:28%;
  height:220%;

  background:linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,.55),
    transparent
  );

  transform:rotate(20deg);
  transition:left .65s ease;
}

.form-estimate-btn:hover{
  transform:translateY(-4px);
  filter:brightness(1.08);
  box-shadow:0 14px 30px rgba(7,120,170,.32);
}

.form-estimate-btn:hover::after{
  left:125%;
}

.form-estimate-btn:active{
  transform:translateY(-1px) scale(.99);
}

@media(max-width:768px){
  .form-estimate-wrap{
    margin-top:24px;
  }

  .form-estimate-btn{
    min-height:82px;
    padding:16px 18px;
    border-radius:12px;
  }

  .form-estimate-btn strong{
    font-size:18px;
  }
}


/* LOCAL SEO GUIDE */
.seo-local-guide{
  margin-top:28px;
  padding:28px 30px;
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--primary);
  border-radius:12px;
}

.seo-local-guide h3{
  margin:0 0 14px;
  font-size:21px;
  line-height:1.4;
}

.seo-local-guide p{
  margin:0;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}

.seo-local-guide p + p{
  margin-top:10px;
}

@media (max-width:768px){
  .seo-local-guide{
    padding:22px 20px;
  }

  .seo-local-guide h3{
    font-size:19px;
  }

  .seo-local-guide p{
    font-size:15px;
  }
}