/* 퍼펙트라인 줄눈시공 — 전 페이지 공용 스타일. 색은 :root 에서만 고치면 됩니다. */
:root{
  --navy:#13294b; --navy-2:#1d3a66; --ink:#1b1f24; --muted:#5b6573; --line:#e3e7ec;
  --bg:#ffffff; --bg-2:#f5f7fa; --accent:#f08a24; --accent-d:#d9741a; --teal:#2f8f83;
  --radius:14px; --wrap:1120px;
  --font:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;word-break:keep-all;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
em{font-style:normal;color:var(--accent)}

/* ── 헤더 ── */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-weight:800;font-size:20px;text-decoration:none;color:var(--navy);letter-spacing:-.5px;display:flex;align-items:center;gap:8px}
.logo .mk{width:26px;height:26px;border-radius:6px;background:
  linear-gradient(var(--accent),var(--accent)) center/3px 100% no-repeat,
  linear-gradient(var(--accent),var(--accent)) center/100% 3px no-repeat,var(--navy)}
.logo small{font-weight:600;font-size:13px;color:var(--muted)}
.nav{display:flex;gap:4px;align-items:center}
.nav a{text-decoration:none;font-size:15px;font-weight:600;padding:8px 12px;border-radius:8px;color:var(--ink)}
.nav a:hover{background:var(--bg-2)}
.nav .tel{background:var(--navy);color:#fff}
.nav .tel:hover{background:var(--navy-2)}
.menu-btn{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--navy);padding:4px 8px}
@media(max-width:900px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px 16px 16px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,0,0,.06)}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .menu-btn{display:block}
}

/* ── 버튼 ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;padding:15px 26px;border-radius:12px;text-decoration:none;border:0;cursor:pointer;transition:.15s}
.btn-a{background:var(--accent);color:#fff}
.btn-a:hover{background:var(--accent-d)}
.btn-w{background:#fff;color:var(--navy)}
.btn-o{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-o:hover{background:rgba(255,255,255,.1)}

/* ── 히어로 (타일+줄눈 패턴) ── */
.hero{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.9) 2px,transparent 2px),linear-gradient(90deg,rgba(255,255,255,.9) 2px,transparent 2px);
  background-size:72px 72px;background-position:-1px -1px;
  -webkit-mask-image:linear-gradient(100deg,transparent 30%,#000 85%);mask-image:linear-gradient(100deg,transparent 30%,#000 85%)}
.hero .wrap{position:relative;padding:84px 20px 76px}
.hero .eyebrow{display:inline-block;font-size:14px;font-weight:700;background:rgba(255,255,255,.12);padding:6px 12px;border-radius:99px;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.28;letter-spacing:-1.2px;font-weight:800;max-width:720px}
.hero h1 em{color:#ffb15e}
.hero .lead{margin-top:18px;font-size:18px;opacity:.88;max-width:600px}
.hero .cta{margin-top:30px;display:flex;gap:10px;flex-wrap:wrap}
.badges{margin-top:34px;display:flex;flex-wrap:wrap;gap:8px}
.badges span{font-size:14px;font-weight:600;padding:7px 12px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16)}
.hero.sub .wrap{padding:56px 20px 52px}
.hero.sub h1{font-size:36px}
.crumb{font-size:13px;opacity:.75;margin-bottom:14px}
.crumb a{text-decoration:none}
@media(max-width:700px){
  .hero .wrap{padding:56px 20px 52px}
  .hero h1,.hero.sub h1{font-size:30px}
  .hero .lead{font-size:16px}
  .hero .cta .btn{flex:1;font-size:15px;padding:14px 10px;white-space:nowrap}
}

/* ── 숫자 스트립 ── */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stats div{padding:26px 12px;text-align:center;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats b{display:block;font-size:26px;color:var(--navy);letter-spacing:-.5px}
.stats span{font-size:14px;color:var(--muted)}
@media(max-width:700px){.stats .wrap{grid-template-columns:repeat(2,1fr);padding:0}.stats div:nth-child(2){border-right:0}.stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}.stats b{font-size:21px}}

/* ── 섹션 공통 ── */
.sec{padding:84px 0}
.sec.alt{background:var(--bg-2)}
.sec-h{margin-bottom:38px}
.sec-h .k{font-size:14px;font-weight:800;color:var(--accent);letter-spacing:1px}
.sec-h h2{font-size:32px;line-height:1.35;letter-spacing:-.8px;margin-top:6px;color:var(--navy)}
.sec-h p{color:var(--muted);margin-top:10px;font-size:17px}
@media(max-width:700px){.sec{padding:60px 0}.sec-h h2{font-size:25px}}

/* ── 카드 그리드 ── */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{font-size:19px;color:var(--navy);margin-bottom:8px;letter-spacing:-.3px}
.card p{color:var(--muted);font-size:15px}
.card .num{font-size:14px;font-weight:800;color:var(--accent);margin-bottom:10px;display:block}
a.card{text-decoration:none;transition:.15s;display:block}
a.card:hover{border-color:var(--navy);transform:translateY(-2px);box-shadow:0 10px 24px rgba(19,41,75,.08)}
a.card .more{display:inline-block;margin-top:12px;font-weight:700;font-size:14px;color:var(--navy)}

/* ── 서비스 카드 ── */
.svc .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--teal);background:#e8f4f2;padding:3px 8px;border-radius:6px;margin-bottom:10px}

/* ── 비교표 ── */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);font-size:15px}
.tbl th,.tbl td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:var(--navy);color:#fff;font-weight:700}
.tbl tbody th{background:var(--bg-2);width:26%;color:var(--navy)}
.tbl-wrap{overflow-x:auto}

/* ── 진행 순서 ── */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:s}
.steps li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;position:relative}
.steps li::before{counter-increment:s;content:"STEP 0" counter(s);font-size:12px;font-weight:800;color:var(--accent);display:block;margin-bottom:8px}
.steps b{display:block;color:var(--navy);font-size:17px;margin-bottom:6px}
.steps span{font-size:14px;color:var(--muted)}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ── 시공사례 카드 ── */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:10px}
.case .loc{font-size:13px;font-weight:700;color:var(--teal)}
.case h3{font-size:18px;color:var(--navy);letter-spacing:-.3px}
.case dl{display:grid;grid-template-columns:52px 1fr;gap:4px 10px;font-size:14px}
.case dt{color:var(--muted)}
.case dd{color:var(--ink)}
.case .chips{display:flex;flex-wrap:wrap;gap:6px}
.case .chips span{font-size:12px;font-weight:600;background:var(--bg-2);padding:3px 8px;border-radius:6px;color:var(--navy)}
.case a{margin-top:auto;font-size:14px;font-weight:700;color:var(--navy);text-decoration:none}
.case a:hover{text-decoration:underline}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.filters button{font:inherit;font-size:14px;font-weight:600;padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink)}
.filters button.on{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ── 본문(서브페이지) ── */
.prose{max-width:780px}
.prose h2{font-size:26px;color:var(--navy);letter-spacing:-.6px;margin:54px 0 14px;line-height:1.4}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;color:var(--navy);margin:30px 0 8px}
.prose p{margin:0 0 14px;font-size:17px;color:#333}
.prose ul{margin:0 0 16px 20px}
.prose li{margin-bottom:6px;font-size:16.5px;color:#333}
.prose a{color:var(--navy);font-weight:600}
.callout{background:#fff7ee;border-left:4px solid var(--accent);padding:16px 20px;border-radius:8px;margin:20px 0;font-size:16px}

/* ── 사실 블록 ── */
.factbox{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:40px 0;background:#fff}
.factbox .fh{background:var(--navy);color:#fff;font-weight:700;padding:12px 18px;font-size:15px}
.factbox dl{display:grid;grid-template-columns:150px 1fr}
.factbox dt,.factbox dd{padding:12px 18px;border-bottom:1px solid var(--line);font-size:15px}
.factbox dt{background:var(--bg-2);color:var(--navy);font-weight:600}
.factbox dl>*:nth-last-child(-n+2){border-bottom:0}
@media(max-width:600px){.factbox dl{grid-template-columns:1fr}.factbox dt{border-bottom:0;padding-bottom:4px}.factbox dd{padding-top:4px}}

/* ── FAQ ── */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{list-style:none;cursor:pointer;padding:18px 52px 18px 20px;font-weight:700;font-size:16.5px;color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:24px;font-weight:400;color:var(--muted)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 20px 20px;color:#444;font-size:15.5px}

/* ── 관련 페이지 ── */
.related{margin-top:56px}
.related h2{font-size:22px;color:var(--navy);margin-bottom:16px}

/* ── 견적 폼 ── */
.est{background:var(--navy);color:#fff}
.est .wrap{display:grid;grid-template-columns:1fr 1.25fr;gap:48px;align-items:start}
.est .sec-h h2{color:#fff}
.est .sec-h p{color:rgba(255,255,255,.78)}
.est-side ul{list-style:none;margin-top:8px}
.est-side li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15.5px;display:flex;gap:10px}
.est-side li b{color:#ffb15e;min-width:22px}
.est-side .call{margin-top:26px;background:rgba(255,255,255,.07);border-radius:var(--radius);padding:20px}
.est-side .call small{opacity:.7}
.est-side .call a{display:block;font-size:28px;font-weight:800;text-decoration:none;letter-spacing:-.5px;margin-top:2px}
.form{background:#fff;color:var(--ink);border-radius:18px;padding:30px;box-shadow:0 20px 50px rgba(0,0,0,.18)}
.form h3{font-size:21px;color:var(--navy);margin-bottom:4px}
.form .sub{font-size:14px;color:var(--muted);margin-bottom:18px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.f{margin-bottom:14px}
.f>label,.f>.lb{display:block;font-size:14px;font-weight:700;margin-bottom:6px;color:var(--navy)}
.f .req{color:var(--accent)}
.f input[type=text],.f input[type=tel],.f input[type=date],.f select,.f textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.f input:focus,.f select:focus,.f textarea:focus{outline:0;border-color:var(--navy)}
.f textarea{min-height:92px;resize:vertical}
.chk{display:flex;flex-wrap:wrap;gap:8px}
.chk label{position:relative;cursor:pointer}
.chk input{position:absolute;opacity:0;pointer-events:none}
.chk span{display:inline-block;font-size:14px;font-weight:600;padding:9px 13px;border:1.5px solid var(--line);border-radius:10px;transition:.12s;user-select:none}
.chk input:checked+span{background:var(--navy);color:#fff;border-color:var(--navy)}
.chk input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.upload{border:1.5px dashed #c5ccd6;border-radius:12px;padding:16px;text-align:center;cursor:pointer;font-size:14px;color:var(--muted);background:var(--bg-2)}
.upload b{color:var(--navy)}
.thumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.thumbs div{position:relative;width:64px;height:64px;border-radius:8px;overflow:hidden;background:#eee}
.thumbs img{width:100%;height:100%;object-fit:cover}
.thumbs button{position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;border:0;background:rgba(0,0,0,.6);color:#fff;font-size:12px;cursor:pointer;line-height:20px}
.agree{font-size:13.5px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;margin:6px 0 16px}
.agree input{margin-top:4px;width:17px;height:17px;flex:none}
.agree details{display:inline}
.agree summary{display:inline;cursor:pointer;text-decoration:underline}
.agree .pv{display:block;margin-top:8px;padding:10px 12px;background:var(--bg-2);border-radius:8px;font-size:12.5px;line-height:1.6}
.form .btn{width:100%;font-size:17px;padding:17px}
.form .btn[disabled]{opacity:.6;cursor:wait}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.done{display:none;text-align:center;padding:40px 10px}
.done b{display:block;font-size:22px;color:var(--navy);margin-bottom:8px}
.form.sent form{display:none}
.form.sent .done{display:block}
@media(max-width:900px){.est .wrap{grid-template-columns:1fr;gap:28px}}
@media(max-width:520px){.form{padding:22px 18px}.f-row{grid-template-columns:1fr;gap:0}}

/* ── 푸터 ── */
.ft{background:#0d1d36;color:rgba(255,255,255,.7);padding:48px 0 110px;font-size:14px}
.ft .cols{display:grid;grid-template-columns:1.2fr 2fr;gap:40px}
.ft b{color:#fff}
.ft .links{display:grid;grid-template-columns:repeat(3,1fr);gap:6px 18px}
.ft .links a{text-decoration:none}
.ft .links a:hover{color:#fff}
.ft .copy{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}
@media(max-width:800px){.ft .cols{grid-template-columns:1fr}.ft .links{grid-template-columns:repeat(2,1fr)}}

/* ── 모바일 하단 고정 바 ── */
.mbar{display:none}
@media(max-width:900px){
  .mbar{display:grid;grid-template-columns:1fr 1.4fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:8px}
  .mbar a{display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;border-radius:10px;padding:14px 0;text-decoration:none}
  .mbar .c{background:var(--bg-2);color:var(--navy)}
  .mbar .e{background:var(--accent);color:#fff}
}
@media(min-width:901px){.ft{padding-bottom:48px}}

/* ── 사진 히어로 ── */
.hero.has-img::before{display:none}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.6s ease-in-out;animation:breathe 12s ease-in-out infinite}
.hero-bg img.on{opacity:1}
.hero.has-img .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,29,54,.94) 0%,rgba(13,29,54,.82) 45%,rgba(13,29,54,.45) 100%)}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
@media(max-width:700px){.hero.has-img .hero-bg::after{background:rgba(13,29,54,.84)}}
@media(prefers-reduced-motion:reduce){.hero-bg img{animation:none;transition:none}}

/* ── 전후 비교 ── */
.ba{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.ba-pair div{position:relative}
.ba-pair img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover}
.ba-pair span{position:absolute;left:10px;top:10px;font-size:12.5px;font-weight:700;background:rgba(0,0,0,.65);color:#fff;padding:4px 9px;border-radius:6px}
.ba-pair span.a{background:var(--accent)}
.ba figcaption{padding:14px 18px;font-size:15px;font-weight:600;color:var(--navy)}
.ba figcaption a{color:var(--muted);font-weight:500;font-size:14px}

/* ── 사례 카드 사진 ── */
.case img{width:calc(100% + 44px);max-width:none;height:auto;margin:-22px -22px 4px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius) var(--radius) 0 0;background:var(--bg-2)}
.case{overflow:hidden}

/* ════════ 메인: 줄눈시공 모션그래픽 배경 (흰 타일) + 라이트 글래스 테마 ════════ */
#groutfx{position:fixed;inset:0;width:100%;height:100%;z-index:-2;display:block;background:#e9ecef}
.fx-shade{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 90% at 85% 40%,rgba(246,248,250,0) 0%,rgba(246,248,250,.25) 60%,rgba(246,248,250,.55) 100%)}
.fx-dim{position:fixed;inset:0;z-index:-1;pointer-events:none;background:rgba(244,246,249,.62);opacity:0}
body.home{background:#eef1f4}
body.home .hd{background:rgba(255,255,255,.95)}
.home-hero{background:transparent;color:var(--navy);min-height:calc(100vh - 64px);display:flex;align-items:center;position:relative;isolation:isolate}
.home-hero::before{display:none}
.home-hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(90deg,rgba(248,250,252,.95) 0%,rgba(248,250,252,.78) 38%,rgba(248,250,252,0) 70%)}
.home-hero .wrap{width:100%}
.home-hero h1{font-size:58px;color:var(--navy)}
.home-hero h1 em{color:var(--accent)}
.home-hero .lead{color:#3b4757;opacity:1}
.home-hero .eyebrow{background:var(--navy);color:#fff}
.home-hero .badges span{background:rgba(255,255,255,.85);border-color:var(--line);color:var(--navy)}
.home-hero .btn-o{color:var(--navy);border-color:rgba(19,41,75,.35);background:rgba(255,255,255,.7)}
.home-hero .btn-o:hover{background:#fff}
.scroll-hint{margin-top:48px;display:flex;align-items:center;gap:12px;font-size:13.5px;font-weight:600;color:var(--muted)}
.scroll-hint span{width:22px;height:36px;border:2px solid rgba(19,41,75,.45);border-radius:12px;position:relative}
.scroll-hint span::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--accent);animation:wheel 1.6s ease-in-out infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(-3px)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
@media(max-width:700px){.home-hero{min-height:calc(92vh - 64px)}.home-hero h1{font-size:34px}.home-hero::after{background:rgba(248,250,252,.78)}}
body.home .stats{background:rgba(255,255,255,.88)}
body.home .sec,body.home .sec.alt{background:transparent}
body.home .card,body.home .case,body.home .ba,body.home .steps li,body.home .faq details,body.home .factbox,body.home .tbl{
  background:rgba(255,255,255,.93);box-shadow:0 10px 30px rgba(19,41,75,.07)}

body.home .est{background:rgba(19,41,75,.95)}

/* ── 흐르는 문구 띠 ── */
.marquee{position:relative;height:150px;overflow:hidden;margin:-30px 0 10px}
.mq{position:absolute;left:-5%;width:110%;overflow:hidden;white-space:nowrap;padding:14px 0;box-shadow:0 10px 30px rgba(19,41,75,.15)}
.mq-a{top:28px;background:var(--accent);transform:rotate(-2.2deg);z-index:2}
.mq-b{top:44px;background:var(--navy);transform:rotate(1.6deg)}
.mq-t{display:inline-flex;gap:34px;align-items:center;animation:mq 38s linear infinite;font-weight:800;font-size:26px;letter-spacing:.5px;color:#fff}
.mq-b .mq-t{animation-direction:reverse;animation-duration:46s;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.75)}
.mq-t i{font-style:normal;color:#ffe2bf;font-size:18px}
.mq-b .mq-t i{color:var(--accent);-webkit-text-stroke:0}
@keyframes mq{to{transform:translateX(-50%)}}
@media(max-width:700px){.marquee{height:110px}.mq-t{font-size:18px;gap:22px}}
@media(prefers-reduced-motion:reduce){.mq-t{animation:none}}

/* ── 섹션 헤더 + 넘기는 카드 ── */
.sec-h.row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.car-ctrl{display:flex;gap:8px;align-items:center}
.vm{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;padding:10px 18px;border:1.5px solid var(--navy);border-radius:99px;text-decoration:none;color:var(--navy);background:rgba(255,255,255,.85)}
.vm:hover{background:var(--navy);color:#fff}
.car-btn{width:42px;height:42px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:18px;cursor:pointer}
.car-btn:disabled{opacity:.3;cursor:default}
.car-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 32px)/3);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;padding:4px 2px 18px}
.car-track::-webkit-scrollbar{display:none}
.car-track>*{scroll-snap-align:start}
@media(max-width:900px){.car-track{grid-auto-columns:46%}}
@media(max-width:600px){.car-track{grid-auto-columns:84%}}

/* ── 해시태그 ── */
.case .tags{display:flex;flex-wrap:wrap;gap:4px 8px;font-size:12.5px;font-weight:600;color:var(--teal)}

/* ── 사례 분류 (동그란 사진 버튼) ── */
.filters.round{gap:18px;justify-content:center;margin-bottom:34px}
.filters.round button{display:flex;flex-direction:column;align-items:center;gap:8px;border:0;background:none;padding:0;font-size:13.5px;font-weight:700;color:var(--muted)}
.filters.round button i{width:66px;height:66px;border-radius:50%;background:var(--bg-2) center/cover;border:3px solid transparent;box-shadow:0 4px 12px rgba(19,41,75,.12);position:relative;display:block}
.filters.round button.on{background:none;color:var(--navy)}
.filters.round button.on i{border-color:var(--accent)}
.filters.round button.on i::after{content:"✓";position:absolute;inset:0;border-radius:50%;background:rgba(240,138,36,.55);color:#fff;font-style:normal;font-size:24px;display:flex;align-items:center;justify-content:center}
@media(max-width:600px){.filters.round{gap:12px}.filters.round button i{width:54px;height:54px}}

/* ── 펼침 메뉴 ── */
.dd{position:relative}
.dd>button{font:inherit;font-size:15px;font-weight:600;padding:8px 12px;border-radius:8px;border:0;background:none;color:var(--ink);cursor:pointer}
.dd>button::after{content:"▾";font-size:11px;margin-left:4px;opacity:.6}
.dd:hover>button{background:var(--bg-2)}
.dd-m{position:absolute;top:calc(100% + 6px);left:50%;transform:translate(-50%,6px);min-width:230px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px rgba(19,41,75,.14);padding:8px;opacity:0;visibility:hidden;transition:.18s}
.dd-m::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.dd:hover .dd-m,.dd:focus-within .dd-m{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dd-m a{display:block;padding:10px 12px!important;border-radius:9px;font-size:14.5px!important}
.dd-m a small{display:block;font-size:12px;color:var(--muted);font-weight:500}
.dd-m a:hover{background:var(--bg-2)}
@media(max-width:900px){
  .nav{max-height:calc(100vh - 64px);overflow-y:auto}
  .dd>button{width:100%;text-align:left;padding:12px;color:var(--muted);font-size:13px;pointer-events:none}
  .dd>button::after{content:""}
  .dd-m{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0 0 6px 8px;min-width:0}
}

/* ── 하단 고정 빠른 견적바 ── */
.qbar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(13,29,54,.97);color:#fff;padding:12px 20px;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 -8px 30px rgba(0,0,0,.18)}
.qbar .q-t{font-weight:800;font-size:16px;margin-right:6px;white-space:nowrap}
.qbar .q-t em{color:#ffb15e}
.qbar input[type=text],.qbar input[type=tel],.qbar select{font:inherit;font-size:15px;height:44px;padding:0 14px;border-radius:10px;border:0;background:#fff;color:var(--ink);width:180px}
.qbar select{width:200px}
.q-agree{display:flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.85);white-space:nowrap;position:relative}
.q-agree input{width:16px;height:16px}
.q-pv summary{cursor:pointer;text-decoration:underline;font-size:12.5px;list-style:none;color:rgba(255,255,255,.7)}
.q-pv summary::-webkit-details-marker{display:none}
.q-pv div{position:absolute;bottom:34px;left:0;width:300px;background:#fff;color:var(--ink);border-radius:10px;padding:12px 14px;font-size:12.5px;line-height:1.6;white-space:normal;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.qbar .btn{height:46px;padding:0 24px;font-size:15.5px;white-space:nowrap}
.qbar .q-x,.qbar .q-more,.qbar .q-head{display:none}
.qbar .q-done{display:none;font-weight:700;color:#ffb15e}
.qbar.sent .q-fields{display:none}
.qbar.sent .q-done{display:block}
.q-fields{display:flex;align-items:center;gap:10px}
.q-dim{display:none}
@media(min-width:901px){.ft{padding-bottom:110px}}
@media(max-width:1180px) and (min-width:901px){.qbar input[type=text],.qbar input[type=tel]{width:140px}.qbar select{width:160px}.qbar .q-t{display:none}}
@media(max-width:900px){
  .qbar{display:none;flex-direction:column;align-items:stretch;padding:20px 18px calc(20px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0;gap:10px}
  .qbar.open{display:flex}
  .qbar .q-t{display:none}
  .qbar .q-head{display:block;font-size:19px;font-weight:800}
  .qbar .q-head small{display:block;font-size:13px;font-weight:500;color:rgba(255,255,255,.7);margin-top:2px}
  .q-fields{flex-direction:column;align-items:stretch}
  .qbar input[type=text],.qbar input[type=tel],.qbar select{width:100%;height:48px}
  .qbar .q-x{display:block;position:absolute;top:12px;right:14px;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}
  .qbar .q-more{display:block;text-align:center;font-size:14px;color:#ffb15e;text-decoration:none;padding-top:4px}
  .q-pv div{bottom:28px;width:min(300px,80vw)}
  .q-dim.open{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:65}
}

/* ── 떠 있는 전화 버튼 ── */
.fab-tel{position:fixed;right:24px;bottom:96px;z-index:66;display:flex;flex-direction:column;align-items:center;gap:4px;text-decoration:none}
.fab-tel span{width:60px;height:60px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 10px 24px rgba(240,138,36,.45);position:relative}
.fab-tel span::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--accent);animation:ring 2s ease-out infinite}
.fab-tel small{font-size:12px;font-weight:800;color:#fff;background:var(--navy);padding:2px 8px;border-radius:99px}
@keyframes ring{from{transform:scale(1);opacity:.9}to{transform:scale(1.6);opacity:0}}
@media(max-width:900px){.fab-tel{display:none}}

/* ── 시공 과정 (서브페이지) ── */
.flow{margin:50px 0 10px}
.flow .steps{position:relative}
.flow .steps::before{content:"";position:absolute;left:4%;right:4%;top:34px;height:3px;background:linear-gradient(90deg,var(--accent),var(--navy));transform-origin:left;transform:scaleX(var(--flow,1));border-radius:2px;z-index:0}
.flow .steps li{z-index:1}
@media(max-width:900px){.flow .steps::before{display:none}}

/* ── 글자 등장 ── */
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.split .w>span{display:inline-block}

/* 첫 화면 등장 (JS 없이 즉시) */
@keyframes heroIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.hero .eyebrow,.hero h1,.hero .lead,.hero .cta,.hero .badges,.hero .scroll-hint{animation:heroIn .9s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.08s}.hero .lead{animation-delay:.2s}.hero .cta{animation-delay:.3s}.hero .badges{animation-delay:.4s}.hero .scroll-hint{animation-delay:.55s}
@media(prefers-reduced-motion:reduce){.hero .eyebrow,.hero h1,.hero .lead,.hero .cta,.hero .badges,.hero .scroll-hint{animation:none}}

/* ════════ 서브페이지 (DA 스타일 롱폼) ════════ */
.hero.sub.big{min-height:78vh;display:flex;align-items:flex-end}
.hero.sub.big .wrap{width:100%;padding-bottom:70px}
.hero.sub.big h1{font-size:54px;max-width:820px}
.hero .en{display:block;font-size:14px;font-weight:800;letter-spacing:4px;color:#ffb15e;margin-bottom:12px}
@media(max-width:700px){.hero.sub.big{min-height:70vh}.hero.sub.big h1{font-size:32px}}

/* 큰 문장 */
.stmt{padding:150px 0 130px;text-align:center;background:#fff}
.stmt .k{display:block;font-size:13px;font-weight:800;letter-spacing:4px;color:var(--accent);margin-bottom:22px}
.stmt h2{font-size:64px;line-height:1.22;letter-spacing:-2px;color:var(--navy);font-weight:800}
.stmt h2 em{color:var(--accent)}
.stmt p{margin-top:26px;font-size:19px;color:var(--muted)}
@media(max-width:700px){.stmt{padding:90px 0 80px}.stmt h2{font-size:34px;letter-spacing:-1px}.stmt p{font-size:16px}}

/* 스크롤 고정 모션그래픽 */
.scene{position:relative;height:300vh;background:linear-gradient(180deg,#fff 0%,#f3f5f8 12%,#f3f5f8 88%,#fff 100%)}
.scene-sticky{position:sticky;top:64px;height:calc(100vh - 64px);display:flex;align-items:center;overflow:hidden}
.scene-in{display:grid;grid-template-columns:.85fr 1.25fr;gap:48px;align-items:center;width:100%}
.scene-copy .k{font-size:13px;font-weight:800;letter-spacing:3px;color:var(--accent)}
.scene-copy h2{font-size:36px;line-height:1.3;letter-spacing:-1px;color:var(--navy);margin:8px 0 26px}
.scene-steps{list-style:none;display:flex;flex-direction:column;gap:10px}
.scene-steps li{display:flex;gap:14px;padding:14px 16px;border-radius:14px;opacity:.38;transition:.35s;border:1px solid transparent}
.scene-steps li b{font-size:13px;font-weight:800;color:var(--muted);padding-top:3px}
.scene-steps li strong{display:block;font-size:17.5px;color:var(--navy)}
.scene-steps li p{font-size:14.5px;color:var(--muted);margin-top:2px}
.scene-steps li.done{opacity:.6}
.scene-steps li.on{opacity:1;background:#fff;border-color:var(--line);box-shadow:0 12px 30px rgba(19,41,75,.08)}
.scene-steps li.on b{color:var(--accent)}
.scene-bar{margin-top:22px;height:4px;background:#e1e5ea;border-radius:2px;overflow:hidden}
.scene-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--navy));transform-origin:left;transform:scaleX(0)}
.scene-hint{margin-top:10px;font-size:12.5px;color:var(--muted)}
.scene-stage{position:relative;aspect-ratio:4/3;background:#fff;border-radius:24px;box-shadow:0 30px 70px rgba(19,41,75,.14);overflow:hidden;border:1px solid var(--line)}
.scene-stage canvas{position:absolute;inset:0;width:100%;height:100%}
@media(max-width:900px){
  .scene{height:260vh}
  .scene-in{grid-template-columns:1fr;gap:14px}
  .scene-stage{order:-1;aspect-ratio:4/3.1}
  .scene-copy h2{font-size:22px;margin:4px 0 10px}
  .scene-steps{gap:4px}
  .scene-steps li{display:none;padding:10px 12px}
  .scene-steps li.on{display:flex}
  .scene-copy .k,.scene-hint{display:none}
}

/* 색상 체험 */
.scene.lab{height:auto;padding:100px 0;background:#f3f5f8}
.lab-box{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.lab-stage{position:relative;aspect-ratio:3/2;border-radius:22px;overflow:hidden;box-shadow:0 26px 60px rgba(19,41,75,.14)}
.lab-stage canvas{position:absolute;inset:0;width:100%;height:100%}
.lab-name{position:absolute;left:16px;bottom:16px;background:rgba(19,41,75,.88);color:#fff;font-weight:700;font-size:14px;padding:8px 14px;border-radius:99px}
.lab-ctrl{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}
.lab-ctrl b{display:block;color:var(--navy);margin:4px 0 10px}
.sw{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.sw button{display:flex;align-items:center;gap:8px;font:inherit;font-size:13.5px;font-weight:600;padding:7px 12px 7px 7px;border-radius:99px;border:1.5px solid var(--line);background:#fff;cursor:pointer;color:var(--ink)}
.sw button i{width:22px;height:22px;border-radius:50%;border:1px solid rgba(0,0,0,.12)}
.sw button.on{border-color:var(--navy);box-shadow:0 0 0 2px rgba(19,41,75,.15)}
.lab-ctrl .btn{width:100%}
@media(max-width:900px){.lab-box{grid-template-columns:1fr}}

/* 사진 포인트 (지그재그) */
.points{padding:110px 0;background:#fff}
.pt{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;margin-bottom:110px}
.pt:last-child{margin-bottom:0}
.pt.rev .pt-media{order:2}
.pt-media{border-radius:26px;overflow:hidden;box-shadow:0 30px 60px rgba(19,41,75,.14);aspect-ratio:96/76;background:var(--bg-2)}
.pt-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.pt:hover .pt-media img{transform:scale(1.04)}
.pt-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:
  linear-gradient(rgba(255,255,255,.9) 3px,transparent 3px) 0 0/90px 90px,linear-gradient(90deg,rgba(255,255,255,.9) 3px,transparent 3px) 0 0/90px 90px,linear-gradient(135deg,#e9edf2,#d6dce4)}
.pt-ph span{font-size:96px;font-weight:800;color:rgba(19,41,75,.18)}
.pt-n{font-size:13px;font-weight:800;letter-spacing:3px;color:var(--accent)}
.pt-txt h3{font-size:34px;line-height:1.3;letter-spacing:-1px;color:var(--navy);margin:10px 0 16px}
.pt-txt p{font-size:18px;color:#46525f;line-height:1.75}
@media(max-width:900px){.points{padding:70px 0}.pt{grid-template-columns:1fr;gap:22px;margin-bottom:64px}.pt.rev .pt-media{order:0}.pt-txt h3{font-size:24px}.pt-txt p{font-size:16px}}

/* 시공 정보 카드 (어두운) */
.infocard{padding:40px 0 100px;background:#fff}
.ic{background:var(--navy);color:#fff;border-radius:28px;padding:56px;display:grid;grid-template-columns:1.2fr 1fr;gap:50px;position:relative;overflow:hidden}
.ic::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;opacity:.12;
  background:linear-gradient(#fff 3px,transparent 3px) 0 0/70px 70px,linear-gradient(90deg,#fff 3px,transparent 3px) 0 0/70px 70px;transform:rotate(-14deg)}
.ic h2{font-size:30px;letter-spacing:-.8px;margin-bottom:22px}
.ic h3{font-size:20px;margin-bottom:16px;color:#ffb15e}
.ic dl{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ic dl div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px 16px}
.ic dt{font-size:13px;color:rgba(255,255,255,.6)}
.ic dd{font-size:16px;font-weight:700;margin-top:3px}
.ic ul{list-style:none;margin-bottom:24px}
.ic li{padding:10px 0 10px 30px;position:relative;border-bottom:1px solid rgba(255,255,255,.1);font-size:16px}
.ic li::before{content:"✓";position:absolute;left:0;top:9px;width:20px;height:20px;border-radius:50%;background:var(--accent);font-size:12px;display:flex;align-items:center;justify-content:center}
@media(max-width:900px){.ic{grid-template-columns:1fr;padding:30px 22px;gap:28px}.ic dl{grid-template-columns:1fr}}

/* 현장 캐러셀 · 상세 */
.gal{background:#f3f5f8}
.detail .prose>.k{display:block;font-size:13px;font-weight:800;letter-spacing:3px;color:var(--accent);margin-bottom:6px}
.scene-steps li,.scene-steps li strong{text-align:left}
.pt-media canvas.mini-fx{display:block;width:100%;height:100%}
.pt-media:has(canvas.mini-fx){background:#f6f8fb;border:1px solid var(--line)}

/* 모바일: 서브페이지 첫 화면 사진이 보이도록 */
@media(max-width:700px){
  .hero.has-img .hero-bg::after{background:linear-gradient(180deg,rgba(13,29,54,.45) 0%,rgba(13,29,54,.72) 45%,rgba(13,29,54,.92) 100%)}
  .hero .en{font-size:12px;letter-spacing:3px}
  .stmt h2 br{display:block}
  .pt-txt h3{word-break:keep-all}
  .sec-h.row .car-ctrl{width:100%;justify-content:flex-end}
  .ic h2{font-size:24px}
}

#groutfx{will-change:contents;transform:translateZ(0)}

/* 제목 그림자가 글자 등장 효과에 잘려 네모로 보이는 문제 방지 */
.split,.split *{text-shadow:none!important}

/* 모바일 메뉴: 그룹이 한눈에 구분되게 */
@media(max-width:900px){
  .nav{padding:10px 14px 18px;gap:6px;background:#fff}
  .nav>a{font-size:16px;font-weight:700;color:var(--navy);padding:13px 14px;border-radius:12px;background:#f5f7fa}
  .nav>a.tel{background:var(--accent);color:#fff;text-align:center;margin-top:6px}
  .dd{border-radius:14px;overflow:hidden;border:1px solid #f6dcc0;background:#fffaf4}
  .dd>button{display:flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-size:14px;font-weight:800;padding:10px 14px;letter-spacing:.5px}
  .dd>button::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff}
  .dd-m{padding:6px 8px 8px}
  .dd-m a{font-size:15px!important;font-weight:600;color:var(--ink);padding:11px 12px 11px 26px!important;position:relative;border-bottom:1px solid #f3e6d6;border-radius:0}
  .dd-m a:last-child{border-bottom:0}
  .dd-m a::before{content:"";position:absolute;left:12px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:2px;background:var(--navy);opacity:.35}
  .dd-m a small{color:#9a7a58}
}
@media(max-width:900px){.nav>*{flex-shrink:0}.nav{max-height:calc(100vh - 64px);max-height:calc(100dvh - 64px);padding-bottom:110px}}

/* 휴대폰 첫 화면: 글자는 위, 시공 장면은 아래가 잘 보이게 */
@media(max-width:900px){
  .home-hero{align-items:flex-start}
  .home-hero .wrap{padding-top:34px}
  .home-hero::after{background:linear-gradient(180deg,rgba(248,250,252,.93) 0%,rgba(248,250,252,.86) 46%,rgba(248,250,252,.25) 58%,rgba(248,250,252,0) 66%)}
  .home-hero .badges,.home-hero .scroll-hint{display:none}
  .home-hero .lead{font-size:15px;margin-top:12px}
  .home-hero .cta{margin-top:20px}
}
.pt-media{position:relative}
.pt-media img{height:114%;margin-top:-7%}