:root{
  --navy:#0f2a4a; --navy-2:#173d6b; --accent:#ff7a1a; --accent-2:#ffb020;
  --ink:#1a2230; --gray:#5b6472; --line:#e6e9ef; --bg-soft:#f5f7fb; --white:#fff;
  --radius:16px; --shadow:0 10px 30px rgba(15,42,74,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Pretendard',system-ui,sans-serif;color:var(--ink);line-height:1.65;background:var(--white);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
[id]{scroll-margin-top:86px}                 /* 메뉴가 제목 가리지 않게 */
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
section{padding:78px 0}
.eyebrow{color:var(--accent);font-weight:800;letter-spacing:.08em;font-size:14px;text-transform:uppercase}
.title{font-size:34px;font-weight:900;line-height:1.25;margin:10px 0 14px;letter-spacing:-.02em}
.lead{color:var(--gray);font-size:17px;max-width:660px}
.center{text-align:center;margin:0 auto}
.center .lead{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:800;border:0;cursor:pointer;border-radius:999px;padding:15px 26px;font-size:16px;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 22px rgba(255,122,26,.35)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2)}

/* ===== 파트 라벨 / 소파트 제목 ===== */
.part-label{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:#fff;font-weight:800;font-size:14px;padding:8px 18px;border-radius:999px}
.part-label .no{background:var(--accent);color:#fff;border-radius:999px;padding:1px 9px;font-size:12px}
.subpart{padding-top:54px}
.subhead{color:var(--accent);font-weight:800;font-size:13px;letter-spacing:.06em}
.sub-title{font-size:24px;font-weight:800;margin:4px 0 12px;letter-spacing:-.01em}
.page-head{padding:52px 0 4px}
.page-head .title{margin-top:10px}

/* ===== 상단 메뉴바 + 드롭다운 ===== */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;color:var(--navy)}
.logo .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;display:grid;place-items:center;font-size:20px}
.menu{display:flex;list-style:none;gap:6px}
.menu > li{position:relative}
.menu > li > a{display:flex;align-items:center;gap:5px;padding:24px 16px;font-weight:700;font-size:15.5px}
.menu > li > a::after{content:"▾";font-size:11px;color:var(--gray)}
.menu > li:hover > a{color:var(--accent)}
.menu > li.active > a{color:var(--accent)}
.submenu{position:absolute;top:64px;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;min-width:210px;opacity:0;visibility:hidden;transition:.18s;list-style:none}
.menu > li:hover .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.submenu a{display:block;padding:11px 14px;border-radius:9px;font-size:14.5px;font-weight:600;white-space:nowrap;color:var(--ink)}
.submenu a:hover{background:var(--bg-soft);color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-phone{font-weight:900;color:var(--navy);font-size:17px}
.hamburger{display:none;font-size:26px;background:none;border:0;cursor:pointer;color:var(--navy)}

/* ===== 히어로 ===== */
.hero{position:relative;color:#fff;background:linear-gradient(135deg,#0c2340,#173d6b 60%,#1f4e86);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
   radial-gradient(600px 300px at 85% 10%,rgba(255,122,26,.25),transparent 60%),
   radial-gradient(500px 260px at 10% 90%,rgba(255,176,32,.15),transparent 60%)}
.hero .wrap{position:relative;z-index:2;padding:92px 20px 100px}
.hero h1{font-size:47px;font-weight:900;line-height:1.18;letter-spacing:-.03em;margin-bottom:18px}
.hero h1 .hl{color:var(--accent-2)}
.hero p{font-size:19px;color:#dfe8f3;max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:34px;color:#cdd9e8;font-weight:700;font-size:15px}

/* ===== 페이지 상단 배너(서브페이지) ===== */
.pagebanner{position:relative;color:#fff;background:linear-gradient(135deg,#0c2340,#173d6b 60%,#1f4e86);overflow:hidden}
.pagebanner::after{content:"";position:absolute;inset:0;background:
   radial-gradient(600px 300px at 85% 10%,rgba(255,122,26,.22),transparent 60%),
   radial-gradient(500px 260px at 10% 90%,rgba(255,176,32,.13),transparent 60%)}
.pagebanner .wrap{position:relative;z-index:2;padding:60px 20px 56px}
.pagebanner .eyebrow{color:var(--accent-2)}
.pagebanner h1{font-size:38px;font-weight:900;letter-spacing:-.02em;margin:8px 0 10px}
.pagebanner p{color:#dfe8f3;font-size:17px;max-width:680px}
.crumb{font-size:14px;color:#cdd9e8;font-weight:700}

/* ===== 홈 스트립: 강점 배지 ===== */
.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.badge{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.2s}
.badge:hover{transform:translateY(-4px)}
.badge .ic{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#fff2e6,#ffe0c2);display:grid;place-items:center;font-size:26px;margin-bottom:14px}
.badge h3{font-size:19px;font-weight:800;margin-bottom:6px}
.badge p{color:var(--gray);font-size:15px}

/* ===== 시공절차 ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:26px}
.step{text-align:center;padding:26px 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.step .n{width:46px;height:46px;margin:0 auto 12px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px}
.step h4{font-size:16px;font-weight:800;margin-bottom:4px}
.step p{font-size:13px;color:var(--gray)}

/* ===== 회사개요 실적/표 ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.stat{background:var(--navy);border-radius:var(--radius);padding:24px;text-align:center;color:#fff}
.stat .num{font-size:36px;font-weight:900;color:var(--accent-2);line-height:1}
.stat .lb{margin-top:8px;color:#cdd9e8;font-weight:700;font-size:15px}
.table{width:100%;border-collapse:collapse;margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.table th,.table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);font-size:15px}
.table tr:last-child th,.table tr:last-child td{border-bottom:0}
.table th{background:var(--bg-soft);width:180px;color:var(--navy);font-weight:800}
.map-ph{margin-top:16px;height:280px;border-radius:16px;border:1px dashed #b9c4d6;background:var(--bg-soft);display:grid;place-items:center;color:var(--gray);font-weight:700}

/* ===== 사업분야 소파트 행 ===== */
.svc-row{display:grid;grid-template-columns:1fr 1.3fr;gap:34px;align-items:center;margin-top:24px}
.svc-row.rev{direction:rtl}.svc-row.rev>*{direction:ltr}
.svc-row .ph{height:240px;border-radius:18px;display:grid;place-items:center;color:#fff;font-weight:800;text-align:center;padding:12px}
.p1{background:linear-gradient(135deg,#173d6b,#2f6db0)}
.p2{background:linear-gradient(135deg,#1f7a5b,#2fb083)}
.p3{background:linear-gradient(135deg,#8a4bd1,#b57be6)}
.p4{background:linear-gradient(135deg,#c1553a,#e08a4b)}
.svc-row ul{margin:14px 0 0 0;padding-left:20px;color:var(--gray)}
.svc-row li{margin-bottom:7px}

/* ===== 시공사례 갤러리 ===== */
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.gal{border-radius:14px;overflow:hidden;position:relative;box-shadow:var(--shadow)}
.gal .ph{height:210px;display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,#26374e,#3a5675)}
.gal .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(10,20,35,.85));color:#fff;padding:24px 16px 13px;font-size:14px;font-weight:700}
.tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px;margin-bottom:6px}

/* ===== 폼 ===== */
.form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow);max-width:720px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{display:block;font-weight:700;font-size:14px;margin:12px 0 6px}
.form input,.form select,.form textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:15px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form textarea{min-height:96px;resize:vertical}
.form .btn{width:100%;justify-content:center;margin-top:18px}
.note{font-size:13px;color:var(--gray);margin-top:10px;text-align:center}
.contact-line{margin-top:14px;font-weight:800;font-size:18px;color:var(--navy)}

/* ===== FAQ ===== */
.faq{max-width:860px;margin-top:22px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 20px;margin-bottom:12px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:800;font-size:16px;padding:16px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--accent);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--gray);font-size:15px;padding:0 0 16px}

/* ===== 공지사항 / 준비서류 / 나눔 ===== */
.notice{list-style:none;margin-top:22px;border-top:2px solid var(--navy)}
.notice li{display:flex;justify-content:space-between;gap:14px;padding:16px 6px;border-bottom:1px solid var(--line)}
.notice a{font-weight:700}.notice a:hover{color:var(--accent)}
.notice .date{color:var(--gray);font-size:14px;white-space:nowrap}
.docs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.doc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.doc .ic{font-size:26px;margin-bottom:10px}
.doc h4{font-size:17px;font-weight:800;margin-bottom:6px}
.doc p{color:var(--gray);font-size:14.5px}
.share{display:grid;grid-template-columns:1fr 1.3fr;gap:30px;align-items:center;margin-top:22px}
.share .ph{height:220px;border-radius:18px;background:linear-gradient(135deg,#c1553a,#e08a4b);display:grid;place-items:center;color:#fff;font-weight:800}

/* ===== 푸터 ===== */
footer{background:#0a1a2f;color:#b9c6d6;padding:56px 0 30px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
footer h4{color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
footer p{margin-bottom:6px}
.foot-links{list-style:none}
.foot-links li{margin-bottom:6px}
.foot-links a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:20px;color:#7c8ba0;font-size:13px;text-align:center}

/* ===== 떠다니는 버튼 / 배너 ===== */
.float{position:fixed;right:20px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:12px}
.float a{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:900;font-size:13px;box-shadow:0 8px 20px rgba(0,0,0,.25);text-align:center;line-height:1.1}
.f-call{background:var(--accent)}.f-kakao{background:#ffe812;color:#3a1d1d}
.sample-note{background:#fff7ec;border-bottom:1px solid #ffe0bd;color:#8a5a1a;font-size:13px;text-align:center;padding:8px 14px;font-weight:700}
.soft{background:var(--bg-soft)}

/* ===== 반응형 ===== */
@media(max-width:900px){
  .hamburger{display:block}
  .menu{position:absolute;top:70px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px;gap:0;display:none}
  .menu.open{display:flex}
  .menu > li > a{padding:14px 12px}
  .menu > li > a::after{margin-left:auto}
  .submenu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;border-radius:0;padding:0 0 8px 14px;min-width:0}
  .submenu a{padding:9px 12px;color:var(--gray)}
  .badge-grid,.gal-grid,.steps,.stats,.docs{grid-template-columns:1fr 1fr}
  .svc-row,.svc-row.rev,.share{grid-template-columns:1fr;direction:ltr}
  .foot-grid{grid-template-columns:1fr}
  .hero h1{font-size:33px}.title{font-size:26px}.pagebanner h1{font-size:30px}
  section{padding:56px 0}
}
@media(max-width:560px){
  .badge-grid,.gal-grid,.steps,.stats,.docs{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}.nav-phone{display:none}
}