/* KEY렛츠고 — keyspot.kr 참고 라이트 테마 (단일 업체 버전) */
:root{
  --brand:#1360d8; --brand-dark:#0f4bab; --brand-soft:#eaf1fd;
  --hot:#ef4a2b; --hot-soft:#fdece7;
  --ink:#161a1d; --ink-2:#3d474f; --muted:#6b7580;
  --line:#e6e9ec; --bg:#ffffff; --bg-soft:#f4f6f8; --bg-dark:#0f1b28;
  --r:14px; --r-sm:10px; --r-lg:20px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 14px 30px -16px rgba(16,24,40,.18);
  --wrap:1180px;
  font-size:16px; color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Pretendard","Pretendard Variable","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  line-height:1.7;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;cursor:pointer}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.32;letter-spacing:-.03em;font-weight:800}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:4px}

.container{width:min(var(--wrap),100% - 40px);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:16px;top:-60px;z-index:200;background:#fff;color:var(--ink);padding:12px 16px;border-radius:8px;box-shadow:var(--shadow);transition:top .15s}
.skip:focus{top:12px}

.eyebrow{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand)}
a:hover .text-link,.text-link:hover{color:var(--brand-dark)}

/* 버튼 */
.primary,.secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:14px 22px;border-radius:12px;font-size:15px;font-weight:700;
  transition:transform .12s,background .15s;
}
.primary{background:var(--brand);color:#fff;box-shadow:0 12px 22px -12px rgba(19,96,216,.65)}
.primary:hover{background:var(--brand-dark)}
.primary:active{transform:translateY(1px)}
.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.secondary:hover{background:var(--bg-soft)}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;font-weight:900;font-size:22px;display:grid;place-items:center}
.brand b{display:block;font-size:19px;letter-spacing:-.02em;line-height:1.15}
.brand small{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.brand-dot{color:var(--brand)}
.desktop-nav{display:flex;gap:22px;font-size:14px;font-weight:600}
.desktop-nav a{padding:8px 0;color:var(--ink-2)}
.desktop-nav a:hover{color:var(--brand)}
.header-call{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:9px 15px;border-radius:999px}
.header-call:hover{background:#fff;box-shadow:inset 0 0 0 1px var(--brand-soft)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;font-size:14px;font-weight:600}
.mobile-menu{display:none}

/* 히어로 */
.hero{background:linear-gradient(180deg,var(--bg-soft),#fff);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:64px 0 72px}
.hero-copy{min-width:0}
.hero h1{font-size:clamp(30px,4.2vw,50px);letter-spacing:-.04em;line-height:1.24}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-desc{margin:20px 0 28px;font-size:16px;color:var(--ink-2);line-height:1.85}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted)}
.hero-card{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.hero-card img{width:100%;aspect-ratio:1.5;object-fit:cover}
.hero-card figure{margin:0}
.hero-card figcaption{padding:14px 16px;font-size:13px;color:var(--muted)}
.hero-card figcaption b{display:block;color:var(--ink);font-weight:700;margin-top:2px}

/* 통계 스트립 */
.stats{margin-top:-36px;position:relative;z-index:2}
.stats-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.stats-inner div{background:#fff;padding:22px 20px;text-align:center}
.stats-inner strong{display:block;font-size:clamp(20px,2.6vw,28px);letter-spacing:-.03em}
.stats-inner span{font-size:13px;color:var(--muted)}

/* 섹션 공통 */
.section{padding:84px 0}
.section.soft{background:var(--bg-soft)}
.section-heading{margin-bottom:36px}
.section-heading .top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.section-heading h2{font-size:clamp(24px,3vw,34px)}
.section-heading p{margin-top:12px;color:var(--muted);font-size:15px}
.section-index{font-size:13px;letter-spacing:.15em;color:var(--muted);flex-shrink:0}
.hot-tag{display:inline-flex;align-items:center;gap:6px;background:var(--hot-soft);color:var(--hot);font-weight:800;font-size:12px;letter-spacing:.04em;padding:6px 12px;border-radius:999px;margin-bottom:14px}

/* 시공 기록 카드 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .15s,transform .15s}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.case-card>a{display:block;height:100%;color:inherit}
.case-card a:hover img{transform:scale(1.03)}
.case-photo{position:relative;aspect-ratio:1.6;background:var(--bg-soft)}
.case-photo img{transition:transform .25s}
.case-photo img{width:100%;height:100%;object-fit:cover}
.case-rank{position:absolute;left:12px;top:12px;min-width:30px;height:30px;padding:0 8px;display:grid;place-items:center;background:rgba(15,27,40,.86);color:#fff;font-weight:800;font-size:14px;border-radius:8px}
.photo-label{position:absolute;left:12px;bottom:12px;background:rgba(15,27,40,.86);color:#fff;font-size:12px;padding:4px 9px;border-radius:7px}
.case-body{padding:18px 18px 20px}
.case-meta{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);margin-bottom:10px}
.case-meta>span{color:var(--brand);font-weight:700}
.case-body h3{font-size:17px;letter-spacing:-.02em;margin-bottom:8px;line-height:1.45}
.case-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.source-note{margin-top:22px;font-size:12px;color:var(--muted)}

/* 서비스 */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.service-card{display:flex;flex-direction:column;gap:8px;padding:24px;border:1px solid var(--line);border-radius:var(--r);background:#fff;transition:border-color .15s,box-shadow .15s}
.service-card:hover{border-color:#c4d4ee;box-shadow:var(--shadow)}
.service-num{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);font-weight:700}
.service-kicker{font-size:12px;color:var(--brand);font-weight:700}
.service-card h3{font-size:19px;letter-spacing:-.02em}
.service-card>p:not(.service-kicker){font-size:14px;color:var(--muted);line-height:1.75;flex:1}
.service-card .text-link{margin-top:8px}

/* 브랜드 */
.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.brand-grid a{display:flex;flex-direction:column;gap:16px;padding:22px;border:1px solid var(--line);border-radius:var(--r);background:#fff;transition:border-color .15s,box-shadow .15s}
.brand-grid a:hover{border-color:#c4d4ee;box-shadow:var(--shadow)}
.brand-english{font-size:22px;font-weight:800;letter-spacing:-.02em}
.brand-grid a>span:last-child{display:flex;justify-content:space-between;font-size:14px;color:var(--muted)}
.other-brands{margin-top:22px;display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;font-size:14px;color:var(--muted)}
.other-brands b{color:var(--ink);font-weight:700}

/* 작업 과정 */
.process-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.process-grid li{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.process-grid li>span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:13px}
.process-grid h3{font-size:16px;margin:16px 0 8px}
.process-grid p{font-size:14px;color:var(--muted);line-height:1.7}

/* FAQ */
.faq-list{max-width:820px;margin-inline:auto}
.faq-list details{border:1px solid var(--line);border-radius:var(--r-sm);padding:2px 18px;margin-bottom:10px;background:#fff}
.faq-list summary{list-style:none;cursor:pointer;font-weight:700;font-size:15px;padding:16px 0;display:flex;justify-content:space-between;gap:12px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";color:var(--brand);font-weight:800}
.faq-list details[open] summary::after{content:"\2013"}
.faq-list details p{font-size:14px;color:var(--muted);line-height:1.8;padding:0 0 16px}

/* 상담 */
.contact-section{background:var(--bg-dark);color:#fff;padding:64px 0}
.contact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.contact-section .eyebrow{color:#7db0ff}
.contact-layout h2{font-size:clamp(22px,3vw,30px);margin-bottom:16px}
.contact-layout p{color:#aeb9c4;font-size:14px}
.contact-note{margin-top:6px;font-size:13px;color:#8b97a3}
.contact-actions{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.contact-actions>span{font-size:13px;color:#8b97a3}
.contact-number{font-size:clamp(26px,4vw,36px);font-weight:800;letter-spacing:-.02em;color:#fff}
.blog-link{margin-top:12px;font-size:14px;color:#8fd6ff;border-bottom:1px solid rgba(143,214,255,.4);padding-bottom:3px}

/* 푸터 */
footer{background:#0b1219;color:#8b97a3;padding:40px 0}
.footer-layout{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;align-items:start;font-size:13px}
.footer-layout .brand b{color:#e7ebef}
.footer-layout .brand small{color:#8b97a3}
.footer-layout a:hover{color:#fff}
.footer-layout>p{font-size:12px;line-height:1.7}

/* 모바일 하단 바 */
.mobile-bar{display:none}

/* 상세 페이지 */
.detail-hero{background:linear-gradient(180deg,var(--bg-soft),#fff);border-bottom:1px solid var(--line);padding:28px 0 56px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:28px}
.breadcrumb a:hover{color:var(--brand)}
.detail-hero h1{font-size:clamp(26px,3.6vw,40px);letter-spacing:-.03em;margin-bottom:14px}
.lead{max-width:720px;font-size:17px;color:var(--ink-2);line-height:1.8}
.model-line{margin-top:14px;font-size:14px;color:var(--muted)}
.detail-hero .primary{margin-top:24px}
.detail-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.detail-layout h2{font-size:22px;margin-bottom:16px}
.detail-layout p{color:var(--muted);line-height:1.85;font-size:15px}
.subheading{font-size:18px!important;margin-top:28px;color:var(--ink)}
.notice{margin-top:20px;padding:16px 18px;background:var(--brand-soft);border-radius:var(--r-sm);font-size:14px;color:var(--brand-dark)}
.step-panel{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:#fff}
.step-panel h2{font-size:18px;margin-bottom:8px}
.step-panel ol{list-style:none;padding:0;margin:0}
.step-panel li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.step-panel li:first-child{border-top:0}
.step-panel li span{flex-shrink:0;font-weight:800;color:var(--brand);font-size:12px;margin-top:3px}
.related-grid{grid-template-columns:minmax(0,380px)}
.related-links{padding:0 0 72px;display:flex;flex-wrap:wrap;gap:10px}
.related-links h2{flex-basis:100%;font-size:18px;margin-bottom:4px}
.related-links>a,.inline-links>a{font-size:14px;border:1px solid var(--line);border-radius:999px;padding:10px 16px;background:#fff}
.related-links>a:hover,.inline-links>a:hover{border-color:#c4d4ee}
.inline-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}

/* 시공 후기 상세 */
.review-detail{display:grid;grid-template-columns:minmax(0,420px) 1fr;gap:44px;align-items:start}
.review-photo{margin:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--bg-soft)}
.review-photo img{width:100%;aspect-ratio:1.3;object-fit:cover}
.review-body p{color:var(--ink-2);line-height:1.9;font-size:15px;margin-bottom:14px}
.review-body .notice{margin:20px 0}
.review-body .inline-links{margin:20px 0}
.review-body .primary{margin-top:8px}
@media(max-width:820px){.review-detail{grid-template-columns:1fr;gap:24px}}

/* 404 */
.notfound{text-align:center;padding:96px 0}
.notfound p.msg{color:var(--muted);margin:12px 0 24px}

/* 반응형 */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:44px 0 56px}
  .hero-card{order:-1}
  .detail-layout{grid-template-columns:1fr;gap:28px}
  .contact-layout{grid-template-columns:1fr;gap:24px}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .footer-layout{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
  .related-grid{grid-template-columns:minmax(0,380px)}
}
@media(max-width:820px){
  .desktop-nav,.header-call{display:none}
  .menu-toggle{display:block;margin-left:auto}
  .mobile-menu:not([hidden]){display:flex;flex-wrap:wrap;gap:4px;padding:10px 20px 14px;border-top:1px solid var(--line);background:#fff}
  .mobile-menu a{padding:8px;font-size:14px;font-weight:600;color:var(--ink-2)}
  .case-grid,.service-grid,.brand-grid{grid-template-columns:repeat(2,1fr)}
  .section-heading .top{flex-direction:column;align-items:flex-start;gap:14px}
}
@media(max-width:560px){
  .container{width:calc(100% - 32px)}
  .stats{margin-top:-24px}
  .stats-inner{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .case-grid,.service-grid,.process-grid,.brand-grid{grid-template-columns:1fr}
  .footer-layout{grid-template-columns:1fr;gap:20px}
  body{padding-bottom:64px}
  .mobile-bar{display:grid;grid-template-columns:96px 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--brand);color:#fff;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;gap:6px;min-height:60px;font-size:13px;font-weight:700}
  .mobile-bar .mobile-blog{background:var(--bg-dark);color:#cfe6ff}
  .mobile-bar strong{font-size:14px}
  .related-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* User requested removal of homepage statistics cards, 2026-09-19. */
.stats{display:none!important}