/* =============================================================================
 *  디자인호 · 사무실인테리어 — editorial 테마 / Warm Ivory·Espresso·Brass
 *  강조 Espresso #3A3128 · 포인트 Brass #B8923D · 각진 모서리 · hairline
 * ========================================================================== */
:root{
  --primary:#3A3128;        /* 에스프레소 (메인 강조색·베이스·주CTA) */
  --accent:#3A3128;         /* 모든 강조색 → 메인 강조색(에스프레소) */
  --accent-tx:#3A3128;      /* 작은 텍스트·링크 (에스프레소, AA) */
  --point:#B8923D;          /* 브라스 포인트 (흰 배경엔 채우기/키라인만) */
  --point-lt:#CBA85C;       /* 밝은 브라스 (어두운 섹션 텍스트용) */
  --ink:#2B2620;
  --muted:#6E655B;
  --line:#E3DBCC;
  --bg:#FCFAF6;
  --bg-sub:#F0EBDF;
  --radius:3px;
  --maxw:1180px;
  --sans:'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
  --font-display:'Noto Serif KR', serif;   /* 제목 폰트 (명조 세리프) */
  --font-display-weight:700;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans); color:var(--ink); background:var(--bg);
  line-height:1.7; font-size:16px; -webkit-font-smoothing:antialiased;
  word-break:keep-all; overflow-wrap:break-word; overflow-x:hidden;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px}

/* ---- 타이포 ------------------------------------------------------------- */
h1,h2,h3,.display-text{font-family:var(--font-display); font-weight:var(--font-display-weight); line-height:1.24; letter-spacing:-.01em; color:var(--primary)}
.eyebrow{
  display:inline-block; font-family:var(--sans); font-weight:700;
  font-size:.72rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent-tx); margin-bottom:14px;
}
.eyebrow::before{content:""; display:inline-block; width:26px; height:1px; background:var(--point); vertical-align:middle; margin-right:10px}
.sec-title{font-size:clamp(1.5rem,3.4vw,2.15rem); margin-bottom:16px}
.sec-lead{color:var(--muted); max-width:60ch; font-size:1.02rem}
.section{padding:84px 0}
.section--sub{background:var(--bg-sub)}
.hair{height:1px; background:var(--line); border:0; margin:0}

/* ---- 헤더 -------------------------------------------------------------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:60;
  background:rgba(252,250,246,.82); backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.hd-inner{display:flex; align-items:center; justify-content:space-between; height:66px}
.brand{display:flex; align-items:center; gap:10px; color:var(--primary)}
.brand-name{font-family:var(--font-display); font-weight:700; font-size:1.2rem; letter-spacing:-.01em}
.brand-sub{font-size:.68rem; color:var(--muted); letter-spacing:.02em; font-family:var(--sans)}
.hd-cta{
  font-weight:700; font-size:.92rem; padding:10px 20px; border-radius:var(--radius);
  background:var(--primary); color:#fff; border:1px solid var(--primary);
}
.hd-cta:hover{background:#2A231C}
body{padding-top:66px}
@media(max-width:480px){ .hd-cta{padding:9px 16px; font-size:.86rem} .brand-sub{display:none} }

/* ---- HERO — 좌 텍스트 / 우 이미지 슬라이더 (반토막 높이) --------------- */
.hero{display:grid; grid-template-columns:.78fr 1.22fr; min-height:clamp(460px,62svh,620px); background:var(--bg-sub); border-bottom:1px solid var(--line)}
.hero-txt{display:flex; flex-direction:column; justify-content:center; align-items:flex-start; padding:clamp(36px,4.5vw,64px) clamp(28px,3.5vw,52px) clamp(36px,4.5vw,64px) clamp(52px,7vw,124px)}
.hero-txt>*{max-width:26ch}
.hero-txt .eyebrow{max-width:none}
.hero-txt h1{font-size:clamp(2rem,4.2vw,3rem); line-height:1.16; letter-spacing:-.01em; color:var(--primary); margin-top:8px}
.hero-sub{margin-top:20px; color:var(--muted); font-size:1.02rem; line-height:1.85; max-width:34ch}
.hero-actions{display:flex; gap:12px; margin-top:32px; flex-wrap:wrap}
.hero-dots{display:flex; gap:10px; margin-top:40px}
.hero-dots button{width:32px; height:2px; border:0; padding:0; background:var(--line); cursor:pointer; transition:.3s}
.hero-dots button.active{background:var(--point); height:3px}
.hero-pic{position:relative; overflow:hidden; background:var(--bg-sub)}
.hero-slide{position:absolute; inset:0; opacity:0; transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%; height:100%; object-fit:cover; object-position:center 42%}
@media(max-width:820px){
  .hero{grid-template-columns:1fr; min-height:0}
  .hero-pic{order:-1; aspect-ratio:4/3}
  .hero-txt{padding:clamp(32px,7vw,48px) 24px clamp(40px,8vw,52px)}
  .hero-txt>*{max-width:none}
  .hero-sub{max-width:46ch}
  .hero-dots{margin-top:30px}
}
/* 사진 화사하게 — 채도·대비 크게 올려 칙칙함 해소 + 웜기 살짝 */
.hero-slide img, .scard-img img, .gcard img{
  filter:brightness(1.05) contrast(1.09) saturate(1.5) sepia(.06);
}

/* ---- 버튼 -------------------------------------------------------------- */
.btn{display:inline-flex; align-items:center; gap:8px; font-weight:700; font-size:.98rem;
  padding:13px 26px; border-radius:var(--radius); border:1px solid transparent; cursor:pointer; transition:.15s}
/* 주CTA = 에스프레소 솔리드 */
.btn-primary{background:var(--primary); color:#fff; border-color:var(--primary)}
.btn-primary:hover{background:#2A231C}
.btn-dark{background:var(--primary); color:#fff; border-color:var(--primary)}
.btn-dark:hover{background:#2A231C}
.btn-outline{background:transparent; color:#fff; border-color:rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-outline-dark{background:transparent; color:var(--primary); border-color:var(--primary)}
.btn-outline-dark:hover{background:var(--primary); color:#fff}
/* CTA(어두운 에스프레소 배경)에서는 버튼을 크림으로 반전해 대비 확보 */
.cta .btn-primary{background:var(--bg); color:var(--primary); border-color:var(--bg)}
.cta .btn-primary:hover{background:var(--bg-sub)}

/* ---- 서브 Hero --------------------------------------------------------- */
.subhero{position:relative; padding:64px 0 60px; background:var(--bg-sub); border-bottom:1px solid var(--line)}
.subhero h1{font-size:clamp(1.8rem,4.6vw,2.8rem)}
.subhero p{color:var(--muted); margin-top:16px; max-width:56ch; font-size:1.05rem}
.subhero .hero-actions{margin-top:26px}

/* ---- 그리드(서비스 카드) 6칸 : 모바일 2열 / PC 3열 --------------------- */
.grid-6{display:grid; grid-template-columns:repeat(2,1fr); gap:20px}
@media(min-width:900px){ .grid-6{grid-template-columns:repeat(3,1fr)} }
/* 서비스 카드 풀블리드 — 화면 꽉 + 사이 실선(카드 테두리 제거) */
.grid-6.grid-6--full{margin-left:calc(50% - 50vw); margin-right:calc(50% - 50vw); margin-top:10px; gap:1px; background:#B9A98C}
.grid-6--full .scard{border:0; border-radius:0}
.grid-6--full .scard:hover{transform:none}
.grid-2{display:grid; grid-template-columns:1fr; gap:18px}
@media(min-width:640px){ .grid-2{grid-template-columns:repeat(2,1fr)} }
.scard{border:1px solid var(--line); border-radius:var(--radius); background:var(--bg); overflow:hidden;
  display:flex; flex-direction:column; transition:transform .18s, border-color .18s}
.scard:hover{transform:translateY(-3px); border-color:var(--point)}
.scard-img{position:relative; aspect-ratio:4/3; overflow:hidden; background:var(--bg-sub)}
.scard-img img{width:100%; height:100%; object-fit:cover; transition:transform .3s}
.scard:hover .scard-img img{transform:scale(1.04)}
.scard-badge{position:absolute; top:10px; left:10px; background:rgba(43,38,32,.68); color:#F5EFE4;
  font-size:.7rem; font-weight:700; padding:5px 11px; border-radius:2px; letter-spacing:.03em;
  backdrop-filter:blur(3px); -webkit-backdrop-filter:blur(3px)}
.scard-body{padding:18px 18px 20px; display:flex; flex-direction:column; gap:8px; flex:1}
.scard-title{font-size:1.12rem}
.scard-desc{color:var(--muted); font-size:.9rem; line-height:1.62; flex:1}
.scard-more{font-size:.85rem; font-weight:700; color:var(--accent-tx); display:inline-flex; align-items:center; gap:6px}
.arw{transition:transform .2s}
.scard:hover .arw{transform:translateX(4px)}

/* ---- 내부 카드 그리드(신뢰/실적·과정·이유) PC3열·모바일2열 ------------ */
/* 3개짜리 그리드: 모바일 1열(세로 3개) → 태블릿·PC 3열 (2+1 외톨이 방지) */
.grid-3{display:grid; grid-template-columns:1fr; gap:18px}
@media(min-width:760px){ .grid-3{grid-template-columns:repeat(3,1fr)} }
.feat{border:1px solid var(--line); border-radius:var(--radius); padding:26px 22px; background:var(--bg)}
.feat .num{font-family:var(--sans); font-weight:800; color:var(--accent-tx); font-size:.95rem; letter-spacing:.06em}
.feat h3{font-size:1.08rem; margin:12px 0 8px}
.feat p{color:var(--muted); font-size:.92rem}
.feat-ic{color:var(--accent); margin-bottom:6px}

/* 실적 카운터 */
.stats{display:grid; grid-template-columns:repeat(2,1fr); gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden}
@media(min-width:760px){ .stats{grid-template-columns:repeat(4,1fr)} }
.stat{padding:30px 18px; text-align:center; border-right:1px solid var(--line); border-bottom:1px solid var(--line)}
.stat .n{font-family:var(--sans); font-weight:800; font-size:1.6rem; color:var(--primary); letter-spacing:-.01em}
.stat .l{color:var(--muted); font-size:.86rem; margin-top:6px}

/* ---- 갤러리 ------------------------------------------------------------ */
.grid-gal{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
@media(min-width:900px){ .grid-gal{grid-template-columns:repeat(3,1fr)} }
/* 갤러리 풀블리드 — 화면 꽉 차게 · 이미지 사이 여백 0 */
.grid-gal--full{margin-left:calc(50% - 50vw); margin-right:calc(50% - 50vw); margin-top:8px}
.grid-gal.grid-gal--full{gap:1px; background:#B9A98C}   /* 사진 사이 웜 실선 */
.grid-gal--full .gcard{border:0; border-radius:0}
.gcard{position:relative; overflow:hidden; border-radius:var(--radius); border:1px solid var(--line); cursor:zoom-in; background:var(--bg)}
.gcard-img{aspect-ratio:4/3; overflow:hidden; background:var(--bg-sub)}
.gcard-img img{width:100%; height:100%; object-fit:cover; transition:transform .3s}
.gcard:hover .gcard-img img{transform:scale(1.05)}
.gcard figcaption{padding:10px 13px 12px; color:var(--muted); font-size:.82rem; font-weight:500}

/* 라이트박스 */
.lightbox{position:fixed; inset:0; z-index:120; background:rgba(26,20,15,.93); display:none; align-items:center; justify-content:center; padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw; max-height:82vh; border-radius:var(--radius)}
.lightbox .lb-cap{position:absolute; bottom:26px; left:0; right:0; text-align:center; color:#e8eef6; font-size:.9rem}
.lightbox .lb-close{position:absolute; top:18px; right:22px; color:#fff; font-size:2rem; background:none; border:0; cursor:pointer; line-height:1}

/* ---- 본문 프로즈 ------------------------------------------------------- */
.prose{max-width:70ch}
.prose h2{font-size:clamp(1.35rem,3vw,1.8rem); margin:8px 0 14px}
.prose h3{font-size:1.16rem; color:var(--ink); margin:26px 0 10px}
.prose p{margin:0 0 16px; color:var(--ink)}
.prose ul{margin:0 0 18px; padding-left:2px; list-style:none}
.prose li{position:relative; padding-left:20px; margin-bottom:9px; color:var(--ink)}
.prose li::before{content:""; position:absolute; left:0; top:11px; width:7px; height:7px; background:var(--accent); border-radius:1px}
.two-col{display:grid; grid-template-columns:1fr; gap:40px}
@media(min-width:960px){ .two-col{grid-template-columns:1.15fr .85fr; gap:56px} }
.side-card{border:1px solid var(--line); border-left:3px solid var(--point); border-radius:var(--radius); padding:26px; background:var(--bg-sub); align-self:start}
.side-card h3{font-family:var(--font-display); font-weight:var(--font-display-weight); color:var(--primary); font-size:1.15rem; margin-bottom:14px}
.side-card dl{display:grid; grid-template-columns:auto 1fr; gap:10px 14px; font-size:.92rem}
.side-card dt{color:var(--muted)} .side-card dd{color:var(--ink); font-weight:600}

/* 체크리스트/비교 */
.checklist{display:grid; grid-template-columns:1fr; gap:12px}
@media(min-width:760px){ .checklist{grid-template-columns:1fr 1fr} }
.check{border:1px solid var(--line); border-left:3px solid var(--point); padding:16px 18px; border-radius:2px; background:var(--bg)}
.check b{display:block; color:var(--primary); margin-bottom:4px; font-family:var(--sans); font-weight:700}
.check span{color:var(--muted); font-size:.9rem}

/* ---- FAQ --------------------------------------------------------------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%; text-align:left; background:none; border:0; cursor:pointer; padding:22px 4px;
  font-size:1.04rem; font-weight:700; color:var(--primary); display:flex; justify-content:space-between; align-items:center; gap:16px; font-family:var(--sans)}
.faq-ic{color:var(--accent-tx); font-size:1.4rem; font-weight:400; transition:transform .2s; flex-shrink:0}
.faq-q[aria-expanded="true"] .faq-ic{transform:rotate(45deg)}
.faq-a{max-height:0; overflow:hidden; transition:max-height .28s ease}
.faq-a p{padding:0 4px 22px; color:var(--muted); font-size:.96rem}

/* ---- 관련 페이지 헤더 -------------------------------------------------- */
.rel-head{display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:14px; margin-bottom:26px}

/* ---- CTA 섹션 (푸터에 딱 붙음) ---------------------------------------- */
.cta{background:var(--primary); color:#fff; padding:74px 0; margin:0}
.cta .eyebrow{color:var(--point-lt)} .cta .eyebrow::before{background:var(--point-lt)}
.cta h2{color:#fff; font-size:clamp(1.6rem,3.6vw,2.3rem)}
.cta p{color:#DBCFBE; margin:16px auto 0; max-width:52ch}
.cta .hero-actions{justify-content:center; margin-top:30px}

/* ---- 푸터 -------------------------------------------------------------- */
.site-footer{background:#2A231C; color:#B8AE9E; padding:60px 0 30px; margin:0}
.ft-grid{display:grid; grid-template-columns:1fr; gap:36px}
@media(min-width:760px){ .ft-grid{grid-template-columns:1.4fr 1fr 1.2fr} }
.ft-brand .brand{color:#fff}
.ft-brand p{margin-top:14px; font-size:.9rem; line-height:1.7; max-width:34ch}
.ft h4{color:#fff; font-size:.98rem; margin-bottom:14px; font-family:var(--sans); font-weight:700}
.ft ul{list-style:none}
.ft li{margin-bottom:9px; font-size:.9rem}
.ft a:hover{color:#fff}
.ft-contact li{margin-bottom:10px; font-size:.9rem; line-height:1.6}
.ft-contact b{color:#D8CDBB; font-weight:600}
.ft-bottom{border-top:1px solid #43392E; margin-top:44px; padding-top:22px; font-size:.8rem; color:#8C8171; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px}
.ft-sitemap a{color:#8C8171} .ft-sitemap a:hover{color:#fff}

/* ---- 플로팅 ------------------------------------------------------------ */
.floating{position:fixed; right:18px; bottom:18px; z-index:80; display:flex; flex-direction:column; gap:10px}
.fab{width:auto; padding:12px 18px; border-radius:40px; background:var(--accent); color:#fff; font-weight:700; font-size:.9rem;
  box-shadow:0 6px 20px rgba(58,49,40,.3); display:flex; align-items:center; gap:8px; border:0; cursor:pointer}
.fab-top{background:var(--primary); width:46px; height:46px; padding:0; border-radius:50%; justify-content:center; display:none}
.fab-top.show{display:flex}

/* ---- 유틸 -------------------------------------------------------------- */
.center{text-align:center}
.mt-sm{margin-top:36px}
.mb-lg{margin-bottom:46px}
.tag{display:inline-block; font-size:.72rem; font-weight:700; color:var(--accent-tx); border:1px solid var(--line);
  padding:3px 10px; border-radius:2px; letter-spacing:.04em}
.tag:hover{border-color:var(--point); color:var(--primary)}

/* ---- 모바일 가독성·리듬 최적화 (≤640px) ---------------------------------- */
@media(max-width:640px){
  /* 섹션 리듬 */
  .section{padding:50px 0}
  .subhero{padding:44px 0 40px}
  .cta{padding:52px 0}
  .site-footer{padding:46px 0 26px}
  .container{padding:0 20px}
  .mb-lg{margin-bottom:26px}
  .mt-sm{margin-top:24px}
  /* 타이포 — 명조 제목 균형 */
  .eyebrow{font-size:.67rem; letter-spacing:.2em; margin-bottom:11px}
  .sec-title{font-size:1.42rem; line-height:1.3}
  .sec-lead{font-size:.95rem; line-height:1.72}
  .hero-txt h1{line-height:1.22}
  .subhero h1{font-size:1.72rem}
  .prose h2{font-size:1.42rem}
  .prose p{font-size:.99rem; line-height:1.78}
  .prose h3{font-size:1.08rem}
  /* 서비스 카드 — 2열: 설명 2줄로 카드 높이 정갈 */
  .grid-6{gap:11px}
  .scard-body{padding:12px 12px 14px; gap:5px}
  .scard-title{font-size:1rem; line-height:1.3}
  .scard-desc{font-size:.82rem; line-height:1.5; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
  .scard-badge{font-size:.62rem; padding:3px 8px; top:8px; left:8px}
  .scard-more{font-size:.78rem}
  /* 갤러리 — 캡션 한 줄로 깔끔(넘치면 …) */
  .grid-gal{gap:9px}
  .gcard figcaption{font-size:.76rem; padding:8px 11px 10px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
  /* 내부 카드 / 과정 */
  .grid-3{gap:14px}
  .feat{padding:19px 15px}
  .feat .num{font-size:.84rem}
  .feat h3{font-size:1.01rem; margin:9px 0 6px}
  .feat p{font-size:.87rem; line-height:1.6}
  /* 본문 / 사이드 */
  .two-col{gap:30px}
  .side-card{padding:20px}
  .checklist{gap:10px}
  /* FAQ */
  .faq-q{font-size:.96rem; padding:16px 2px}
  /* 실적(문구형) */
  .stat{padding:19px 10px}
  .stat .n{font-size:1.18rem}
  .stat .l{font-size:.79rem; margin-top:5px}
  /* 푸터 */
  .ft-grid{gap:28px}
  /* Hero */
  .hero-sub{font-size:.97rem; line-height:1.72; margin-top:16px}
  .hero-dots{margin-top:26px}
}
/* 모바일 버튼 — 어정쩡한 줄바꿈 대신 균형 잡힌 꽉 찬 버튼 */
@media(max-width:560px){
  .hero-actions{gap:10px; width:100%}
  .hero-actions .btn{flex:1 1 140px; justify-content:center; padding:13px 18px}
  .cta .hero-actions{max-width:360px; margin-left:auto; margin-right:auto}
}