/* ===== MVP누수배관설비 ===== */
:root{
  color-scheme:dark;   /* 모바일 브라우저의 자동 다크 변환 차단 */
  /* ===== 골드 & 블랙 테마 ===== */
  --bk:#000000;
  --bk-hover:#1c1c1c;
  --bk-mid:#8a8a8a;
  --tint:#1d1a13;          /* 아이콘 박스 등 은은한 웜 그레이 */
  --ink:#f4f0e6;           /* 본문 텍스트 (어두운 배경 위) */
  --gray:#a8a297;
  --gray-mid:#8b857a;
  --line:#2b2822;          /* 테두리 */
  --bg-soft:#101010;       /* alt 섹션 배경 */
  --card:#17150f;          /* 카드 배경 */
  --white:#0a0a0a;         /* 페이지 기본 배경 (블랙) */
  /* 포인트 색 — 골드 */
  --ac:#d4af37;
  --ac-hover:#e8c85c;
  --ac-fg:#0f0d08;         /* 골드 위 텍스트는 블랙 */
  --ac-ink:#d4af37;
  --ac-soft:rgba(212,175,55,.30);
  --ac-glow:rgba(212,175,55,.34);
  --ac-deep:#8c6d1c;
  --gold-1:#f2d878;        /* 골드 그라데이션 밝은쪽 */
  --gold-2:#d4af37;
  --gold-3:#a8811f;        /* 골드 그라데이션 어두운쪽 */
  --radius:16px;
  --shadow:0 12px 34px rgba(0,0,0,.55);
  --shadow-sm:0 4px 16px rgba(0,0,0,.45);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
/* 라인 아이콘 (SVG) */
.ic-svg{
  width:1.1em;height:1.1em;flex:0 0 auto;
  stroke:currentColor;fill:none;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;vertical-align:-.18em;
}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.6;
  -webkit-font-smoothing:antialiased;word-break:keep-all;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.sec{padding:84px 0}
.sec.alt{background:var(--bg-soft)}
.center{text-align:center}
.eyebrow{
  display:inline-block;color:var(--ac-ink);font-weight:800;font-size:14px;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;
}
.title{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.3;letter-spacing:-.02em}
/* 흑백 테마에서는 강조 색 대신 형광펜 밑줄로 강조한다 */
.title .pt{color:var(--ac);background:linear-gradient(transparent 66%,rgba(212,175,55,.22) 66%)}
.lead{color:var(--gray);font-size:17px;margin-top:16px;max-width:680px}
.center .lead{margin-left:auto;margin-right:auto}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-weight:700;font-size:16px;padding:14px 26px;border-radius:999px;
  border:2px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap;
}
.btn-call{background:var(--ac);color:var(--ac-fg);box-shadow:0 8px 20px var(--ac-glow)}
.btn-call:hover{background:var(--ac-hover);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ac);border-color:rgba(212,175,55,.55)}
.btn-ghost:hover{background:rgba(212,175,55,.12);border-color:var(--ac)}
.btn-line{background:transparent;color:var(--ink);border-color:rgba(212,175,55,.45)}
.btn-line:hover{background:var(--tint);border-color:var(--ac);color:var(--ac)}

/* ===== header ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(8,8,8,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid rgba(212,175,55,.22);transition:.25s;
}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em}
.logo .drop{
  width:30px;height:30px;border-radius:50% 50% 50% 0;transform:rotate(45deg);
  background:linear-gradient(135deg,var(--ac-hover),var(--ac));box-shadow:inset -3px -3px 6px rgba(0,0,0,.28)
}
.logo small{display:block;font-size:11px;color:var(--gray);font-weight:600;letter-spacing:0}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-weight:600;font-size:16px;color:#d8d3c6;transition:.15s;white-space:nowrap}
.nav a:hover{color:var(--ac)}
.header-call{display:flex;align-items:center;gap:14px}
.header-tel{font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.01em}
.header-tel span{font-size:12px;color:var(--ac);display:block;font-weight:600;letter-spacing:.05em}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:2.5px;background:var(--ink);border-radius:2px;transition:.25s}

/* ===== hero ===== */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;color:#fff;
  background:linear-gradient(rgba(0,0,0,.60),rgba(8,6,2,.82)),url("img/hero-bg.jpg") center/cover no-repeat;
}
.hero .wrap{padding-top:90px;padding-bottom:60px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(212,175,55,.12);
  border:1px solid rgba(212,175,55,.45);padding:8px 16px;border-radius:999px;
  font-weight:700;font-size:14px;margin-bottom:22px;backdrop-filter:blur(4px)
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--ac);box-shadow:0 0 0 4px var(--ac-glow)}
/* 어두운 배경에서는 형광펜 대신 밝기 차이로 강조 (형광펜은 사진 위에서 얼룩처럼 보임) */
.hero h1{font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.22;letter-spacing:-.03em;color:#dcdcdc;text-shadow:0 2px 14px rgba(0,0,0,.45)}
.hero h1 .hl{color:var(--ac)}
.hero p{font-size:clamp(16px,2vw,20px);color:#ededed;margin-top:20px;max-width:600px;text-shadow:0 1px 10px rgba(0,0,0,.5)}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-cta .btn-call{background:var(--ac);color:var(--ac-fg);box-shadow:0 8px 20px var(--ac-glow)}
.hero-cta .btn-call:hover{background:var(--ac-hover)}
.hero-stats{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero-stats div{border-left:3px solid var(--ac);padding-left:14px}
.hero-stats b{display:block;font-size:26px;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.hero-stats span{font-size:14px;color:#dcdcdc;text-shadow:0 1px 8px rgba(0,0,0,.55)}

/* trust bar */
.trust{background:#111;color:var(--ink);border-top:1px solid rgba(212,175,55,.20);border-bottom:1px solid rgba(212,175,55,.20)}
.trust .wrap{display:flex;justify-content:space-around;flex-wrap:wrap;gap:18px;padding:22px}
.trust div{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}
.trust .ic-svg{width:23px;height:23px;color:var(--ac)}

/* ===== intro ===== */
.intro-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:54px;align-items:center}
.intro-grid img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;max-height:420px}
.checklist{list-style:none;margin-top:24px;display:grid;gap:14px}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:17px;color:var(--ink)}
.checklist li::before{
  content:"✓";flex:0 0 24px;height:24px;background:var(--ac);color:var(--ac-fg);border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:3px
}

/* ===== services ===== */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px}
.svc{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 22px;
  text-align:center;transition:.2s;
}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(212,175,55,.45)}
.svc .ico{
  width:64px;height:64px;margin:0 auto 16px;border-radius:18px;background:var(--tint);
  display:grid;place-items:center;color:var(--ink);transition:.2s
}
.svc .ico .ic-svg{width:30px;height:30px;stroke-width:1.7;color:var(--ac)}
.svc:hover .ico{background:linear-gradient(135deg,var(--gold-1),var(--gold-3))}
.svc:hover .ico .ic-svg{color:var(--ac-fg)}
.svc h3{font-size:19px;font-weight:800;margin-bottom:8px}
.svc p{font-size:14.5px;color:var(--gray)}

/* ===== advantages ===== */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
.adv{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.adv::before{content:"";position:absolute;top:0;left:0;width:5px;height:100%;background:linear-gradient(var(--gold-1),var(--gold-3))}
.adv .num{font-size:14px;font-weight:800;color:var(--ac);letter-spacing:.1em}
.adv h3{font-size:20px;font-weight:800;margin:8px 0 10px}
.adv p{color:var(--gray);font-size:15.5px}

/* ===== gallery ===== */
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:42px}
.gal-item{
  position:relative;border-radius:14px;overflow:hidden;aspect-ratio:1/1;cursor:pointer;
  box-shadow:var(--shadow-sm)
}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gal-item:hover img{transform:scale(1.08)}
.gal-item .cap{
  position:absolute;inset:auto 0 0 0;padding:26px 14px 12px;color:#fff;font-weight:700;font-size:14px;
  background:linear-gradient(transparent,rgba(0,0,0,.88));opacity:0;transition:.25s
}
.gal-item:hover .cap{opacity:1}
.gal-more{text-align:center;margin-top:34px}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(0,0,0,.95);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}
.lb.on{display:flex}
.lb img{max-width:90vw;max-height:86vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb-close{position:absolute;top:22px;right:30px;font-size:40px;color:#fff;cursor:pointer;line-height:1;background:none;border:0}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:46px;color:#fff;cursor:pointer;background:none;border:0;padding:10px;opacity:.8}
.lb-nav:hover{opacity:1}
.lb-prev{left:14px}.lb-next{right:14px}

/* ===== process / standards ===== */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:46px;counter-reset:step}
.proc .step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow-sm);position:relative}
.proc .step::before{
  counter-increment:step;content:"0" counter(step);position:absolute;top:18px;right:22px;
  font-size:42px;font-weight:800;color:rgba(212,175,55,.18)
}
.proc .step h3{font-size:18px;font-weight:800;margin-bottom:8px;position:relative}
.proc .step p{font-size:14.5px;color:var(--gray);position:relative}
.std-note{
  margin-top:34px;background:var(--tint);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;
  display:flex;gap:16px;align-items:flex-start
}
.std-note .ic-svg{width:26px;height:26px;color:var(--ac);margin-top:2px}
.std-note b{color:var(--ac)}

/* ===== faq ===== */
.faq{max-width:820px;margin:42px auto 0}
.qa{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:.2s}
.qa:hover,.qa[open]{border-color:rgba(212,175,55,.42)}
.qa summary{
  list-style:none;cursor:pointer;padding:22px 24px;font-weight:700;font-size:17px;
  display:flex;justify-content:space-between;align-items:center;gap:14px
}
.qa summary::-webkit-details-marker{display:none}
.qa summary .q{display:flex;gap:12px;align-items:center}
.qa summary .q b{color:var(--ac);font-size:19px}
.qa summary .arw{flex:0 0 auto;color:var(--gray-mid);transition:.25s;font-size:20px}
.qa[open] summary .arw{transform:rotate(180deg);color:var(--ac)}
.qa .ans{padding:0 24px 22px 50px;color:var(--gray);font-size:15.5px}

/* ===== contact ===== */
/* 전화문의 섹션 — 골드 패널 */
.contact{background:linear-gradient(135deg,#c9a233 0%,#e8c85c 45%,#d4af37 100%);color:#14110a;position:relative}
.contact::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(0,0,0,.08));pointer-events:none}
.contact>*{position:relative;z-index:1}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.contact h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.3}
.contact .lead{color:#443716}
.contact-info{margin-top:28px;display:grid;gap:18px}
.contact-info>div{display:flex;gap:15px;align-items:center;font-size:17px}
.contact-info .ic{
  flex:0 0 48px;height:48px;background:rgba(20,17,10,.14);border:1px solid rgba(20,17,10,.20);border-radius:12px;display:grid;place-items:center;color:#14110a
}
.contact-info .ic .ic-svg{width:22px;height:22px}
.contact-info>div>div{line-height:1.35}
.contact-info b{display:block;font-size:13px;letter-spacing:.02em;color:#5d4a15;font-weight:700;margin-bottom:3px}
.contact-info .big{font-size:23px;font-weight:800;line-height:1.1}
.no-ad.on-blue{
  font-style:normal;font-size:11.5px;font-weight:700;color:#7a1f1f;vertical-align:middle;
  border:1px solid rgba(20,17,10,.35);border-radius:5px;padding:1px 7px;margin-left:8px;white-space:nowrap
}
.form{background:#0d0c08;color:var(--ink);border:1px solid rgba(212,175,55,.35);border-radius:var(--radius);padding:34px;box-shadow:0 18px 44px rgba(0,0,0,.35)}
.form h3{font-size:21px;font-weight:800;margin-bottom:6px}
.form p.sub{color:var(--gray);font-size:14.5px;margin-bottom:20px}
.form label{display:block;font-weight:700;font-size:14px;margin:14px 0 6px}
.form input,.form select,.form textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;
  font-family:inherit;color:var(--ink);transition:.15s;background:#141209
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--ac)}
.form textarea{min-height:90px;resize:vertical}
.form .btn-call{width:100%;margin-top:22px}
.form .priv{font-size:12.5px;color:var(--gray);text-align:center;margin-top:12px}

/* 전화 상담 카드 */
.call-card{text-align:center;padding:44px 34px}
.call-card .cc-ic{
  width:78px;height:78px;margin:0 auto 14px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold-1),var(--gold-3));
  color:var(--ac-fg);display:grid;place-items:center;box-shadow:0 0 0 8px rgba(212,175,55,.10)
}
.call-card .cc-ic .ic-svg{width:38px;height:38px}
.call-card h3{font-size:24px;margin-bottom:10px;color:var(--ac)}
.call-card .sub{margin-bottom:24px}
.call-card .cc-tel{width:100%;font-size:22px;padding:18px;letter-spacing:.01em}
.call-card .cc-list{list-style:none;margin-top:24px;display:grid;gap:12px;text-align:left}
.call-card .cc-list li{
  display:flex;align-items:center;gap:10px;
  font-size:15px;color:var(--ink);font-weight:600;background:rgba(212,175,55,.08);
  border:1px solid rgba(212,175,55,.14);border-radius:10px;padding:12px 16px
}
.call-card .cc-list li .ic-svg{width:19px;height:19px;color:var(--ac)}

/* ===== footer ===== */
.footer{background:#060606;color:#9a9489;padding:54px 0 28px;font-size:14.5px;border-top:1px solid rgba(212,175,55,.22)}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .logo{color:#fff;margin-bottom:14px}
.footer .logo .drop{background:linear-gradient(135deg,var(--gold-1),var(--gold-3));box-shadow:inset -3px -3px 6px rgba(0,0,0,.35)}
.footer .logo small{color:#9a9a9a}
.footer-info p{margin:4px 0;max-width:460px}
.footer-links{display:flex;gap:50px;flex-wrap:wrap}
.footer-links h4{color:var(--ac);font-size:15px;margin-bottom:12px}
.footer-links a{display:block;margin:7px 0;transition:.15s}
.footer-links a:hover{color:var(--ac)}
.biz-info{
  padding-top:24px;display:flex;flex-wrap:wrap;gap:8px 26px;font-size:13.5px;color:#858585
}
.biz-info b{color:var(--ac);font-weight:700;margin-right:6px}
.biz-info .no-ad{
  font-style:normal;font-size:11.5px;font-weight:700;color:#cfcfcf;
  border:1px solid rgba(255,255,255,.35);border-radius:5px;padding:1px 7px;margin-left:6px;white-space:nowrap
}
.footer-bottom{margin-top:22px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#787878}

/* ===== 오시는 길 (지도) ===== */
.map-grid{display:grid;grid-template-columns:1fr;gap:26px;margin-top:42px}
.map-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:380px;background:var(--tint)}
.map-wrap iframe{width:100%;height:100%;min-height:380px;border:0;display:block}
.map-info{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:32px 28px;display:flex;flex-direction:column}
.map-info h3{font-size:21px;font-weight:800;margin-bottom:18px;color:var(--ac)}
.map-info ul{list-style:none;display:grid;gap:16px;margin-bottom:24px}
.map-info li{display:flex;gap:13px;align-items:flex-start}
.map-info li .ic-svg{width:22px;height:22px;color:var(--ac);flex:0 0 auto;margin-top:2px}
.map-info li b{display:block;font-size:13px;color:var(--ac);font-weight:600;margin-bottom:3px}
.map-info li div{font-size:15.5px;color:var(--ink);font-weight:600;line-height:1.5}
.map-info .btn-call{margin-top:auto}

/* 네이버 블로그 링크 (푸터) */
.blog-link{
  display:inline-block;margin-top:14px;color:#fff;font-weight:700;font-size:14px;
  border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px;transition:.15s
}
.blog-link:hover{color:#fff;border-color:#fff}

/* ===== 우측 플로팅 버튼 (데스크탑 전화 + 맨위로) ===== */
.side-fab{position:fixed;right:20px;bottom:26px;z-index:60;display:flex;flex-direction:column;gap:12px}
.side-fab .sf-call,.side-fab .sf-top{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  cursor:pointer;box-shadow:var(--shadow);transition:.22s
}
.side-fab .sf-call{background:var(--ac);color:var(--ac-fg);animation:ringPulse 2.6s ease-out infinite}
.side-fab .sf-call:hover{background:var(--ac-hover);transform:translateY(-3px)}
.side-fab .sf-call .ic-svg{width:24px;height:24px}
.side-fab .sf-top{
  background:#17150f;color:var(--ac);border:1px solid rgba(212,175,55,.35);
  opacity:0;visibility:hidden;transform:translateY(12px)
}
.side-fab .sf-top.show{opacity:1;visibility:visible;transform:none}
.side-fab .sf-top:hover{background:var(--tint);transform:translateY(-3px)}
.side-fab .sf-top .ic-svg{width:24px;height:24px;stroke-width:2.2}

/* floating call (mobile) */
.fab{
  position:fixed;bottom:18px;left:18px;right:18px;z-index:60;display:none;gap:10px;
}
.fab a{flex:1;padding:16px;border-radius:14px;font-weight:800;font-size:16px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;gap:8px}
.fab a .ic-svg{width:19px;height:19px}
.fab .c{background:var(--ac);color:var(--ac-fg)}
.fab .k{background:#111;color:var(--ac);box-shadow:inset 0 0 0 1.5px rgba(212,175,55,.55),var(--shadow)}

/* reveal — JS가 켜졌을 때만 숨김(.js). JS 없으면 콘텐츠 그대로 노출 */
.js .reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
}

/* ===== responsive ===== */

/* 헤더 메뉴: 폭이 좁아질수록 단계적으로 정리 */
@media(max-width:1240px){
  .nav{gap:17px}
  .nav a{font-size:15px}
  .header-tel{display:none}            /* '24시간 상담 전화번호' 텍스트를 먼저 숨겨 메뉴 공간 확보 */
}
@media(max-width:1024px){
  .nav{display:none}                   /* 메뉴가 빠듯해지면 햄버거로 전환 */
  .burger{display:flex}
  .header-call .btn{padding:10px 16px;font-size:14px}
  .nav.open{
    display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:#0a0a0a;border-bottom:1px solid rgba(212,175,55,.22);padding:18px 22px;gap:6px;box-shadow:var(--shadow)
  }
  .nav.open a{padding:13px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav.open a::after{display:none}     /* 드롭다운에선 밑줄 애니메이션 비활성 */
}

@media(max-width:980px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .proc{grid-template-columns:repeat(2,1fr)}
  .gal-grid{grid-template-columns:repeat(3,1fr)}
  .intro-grid,.contact-grid,.map-grid{grid-template-columns:1fr;gap:30px}
}
@media(max-width:760px){
  .sec{padding:60px 0}
  .hero{min-height:auto;padding:40px 0}
  .hero-stats{gap:20px}
  .hero-stats b{font-size:22px}
  .gal-grid{grid-template-columns:repeat(2,1fr)}
  .fab{display:flex}
  body{padding-bottom:80px}
  .side-fab{bottom:92px;right:16px}
  .side-fab .sf-call{display:none}
  .side-fab .sf-top{width:48px;height:48px}
}
@media(max-width:440px){
  .svc-grid,.adv-grid,.proc{grid-template-columns:1fr}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
}

/* 좁은 화면: 헤더가 잘리지 않도록 로고·버튼·햄버거를 함께 축소 */
@media(max-width:560px){
  html{scroll-padding-top:70px}
  .header .wrap{height:64px;padding:0 16px;gap:8px}
  .logo{font-size:17px;gap:8px;min-width:0}
  .logo .drop{width:26px;height:26px}
  .logo small{font-size:10px}
  .header-call{gap:8px;flex:0 0 auto}
  .header-call .btn{padding:9px 13px;font-size:13.5px;gap:6px}
  .burger{padding:4px}
  .burger span{width:23px}
  .nav.open{top:64px}
}
@media(max-width:380px){
  .logo{font-size:15.5px}
  .logo small{display:none}
  .header-call .btn{padding:9px 11px;font-size:13px}
}

/* ===================================================== */
/* ===== 애니메이션 ===== */
/* ===================================================== */

/* 히어로 배지 라이브 점멸 */
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(255,255,255,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,255,255,0)}
  100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}
}
.hero-badge i{animation:pulseDot 2s ease-out infinite}

/* 전화 버튼 주목 펄스 (히어로 메인 CTA) */
@keyframes ringPulse{
  0%{box-shadow:0 8px 20px var(--ac-glow),0 0 0 0 rgba(212,175,55,.55)}
  70%{box-shadow:0 8px 20px var(--ac-glow),0 0 0 16px rgba(212,175,55,0)}
  100%{box-shadow:0 8px 20px var(--ac-glow),0 0 0 0 rgba(212,175,55,0)}
}
.hero-cta .btn-call{animation:ringPulse 2.6s ease-out infinite}

/* 우측 플로팅 전화 버튼 골드 링 */
.side-fab .sf-call{animation:ringPulse 2.6s ease-out infinite}

/* 네비 밑줄 슬라이드 */
.nav a{position:relative}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;
  background:linear-gradient(90deg,var(--gold-3),var(--gold-1));border-radius:2px;transition:width .25s ease
}
.nav a:hover::after{width:100%}

/* 시공업무 아이콘 살짝 떠오름 */
.svc .ico .ic-svg{transition:transform .3s ease}
.svc:hover .ico .ic-svg{transform:translateY(-4px)}

/* 강점 카드 좌측 바 채워짐 */
.adv::before{transform:scaleY(.4);transform-origin:top;transition:transform .4s ease}
.adv:hover::before{transform:scaleY(1)}

/* FAQ 펼침 내용 부드럽게 */
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.qa[open] .ans{animation:faqIn .28s ease}

/* 갤러리 등장 시 살짝 확대 */
.js .gal-item.reveal{transform:translateY(26px) scale(.96)}
.js .gal-item.reveal.in{transform:none}

/* 히어로 스크롤 인디케이터 */
.scroll-ind{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  display:block;animation:fadeInUp 1s .6s both
}
.scroll-ind .mouse{
  display:block;width:26px;height:42px;border:2px solid rgba(212,175,55,.7);border-radius:14px;position:relative
}
.scroll-ind .mouse i{
  position:absolute;top:8px;left:50%;width:4px;height:8px;margin-left:-2px;
  background:var(--ac);border-radius:2px;animation:scrollDot 1.7s ease-in-out infinite
}
@keyframes scrollDot{
  0%{opacity:0;transform:translateY(0)}
  30%{opacity:1}
  65%{opacity:1;transform:translateY(13px)}
  100%{opacity:0;transform:translateY(15px)}
}
@keyframes fadeInUp{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}

/* 모바일 하단 고정 버튼 등장 */
@keyframes fabUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.fab{animation:fabUp .4s ease both}

@media(max-width:760px){ .scroll-ind{display:none} }

/* 접근성: 모션 최소화 설정 시 모든 모션 정지 */
@media(prefers-reduced-motion:reduce){
  .hero-badge i,.hero-cta .btn-call,.scroll-ind,.scroll-ind .mouse i,.fab,.side-fab .sf-call{animation:none}
  *{scroll-behavior:auto}
}