/* ============================================
   결앤빛 커튼&블라인드 - 메인 스타일
   ▸ 색상은 :root 에서 한 번에 바꿀 수 있어요.
   ============================================ */

:root {
    --color-ink: #1A1917;          /* 제목 · 진한 배경 */
    --color-text: #3A3834;         /* 본문 */
    --color-muted: #7C776F;        /* 보조 글씨 */
    --color-paper: #FAF9F6;        /* 밝은 배경 */
    --color-sand: #F0EDE7;         /* 섹션 배경 */
    --color-line: #E2DED6;         /* 구분선 */
    --color-stone: #8A7F70;        /* 포인트 */
    --color-white: #ffffff;
    --color-kakao: #FEE500;
    --font-serif: 'Noto Serif KR', 'Nanum Myeongjo', serif;
    --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
    --header-h: 84px;
    --ease: cubic-bezier(.2, .7, .2, 1);
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-white);
    letter-spacing: -0.02em;
    word-break: keep-all;
    overflow-x: hidden;
}
h1, h2, h3, h4, p { word-break: keep-all; }
::selection { background: var(--color-ink); color: var(--color-white); }

.container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.section { padding: 140px 0; }
.bg-sand { background: var(--color-sand); }
.bg-paper { background: var(--color-paper); }
.bg-ink { background: var(--color-ink); color: rgba(255,255,255,.82); }

/* ============================================
   섹션 머리말
   ============================================ */
.section-head { margin-bottom: 64px; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.section-head.center { flex-direction: column; align-items: center; text-align: center; }
.section-tag { font-size: 12px; font-weight: 600; letter-spacing: .28em; color: var(--color-stone); margin-bottom: 18px; }
.section-title { font-family: var(--font-serif); font-size: 44px; font-weight: 500; line-height: 1.35; letter-spacing: -0.03em; color: var(--color-ink); }
.section-sub { font-size: 17px; color: var(--color-muted); line-height: 1.8; margin-top: 16px; }
.bg-ink .section-title { color: var(--color-white); }
.bg-ink .section-sub { color: rgba(255,255,255,.6); }
.link-more { font-size: 15px; font-weight: 500; color: var(--color-ink); border-bottom: 1px solid currentColor; padding-bottom: 4px; white-space: nowrap; transition: opacity .2s; }
.link-more:hover { opacity: .6; }

/* ============================================
   버튼
   ============================================ */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 17px 30px; font-size: 15px; font-weight: 500; letter-spacing: -0.01em; border: 1px solid transparent; transition: background .25s, color .25s, border-color .25s, opacity .25s; cursor: pointer; }
.btn-primary { background: var(--color-ink); color: var(--color-white); }
.btn-primary:hover { background: #3a3733; }
.btn-light { background: var(--color-white); color: var(--color-ink); }
.btn-light:hover { background: var(--color-sand); }
.btn-outline { border-color: var(--color-ink); color: var(--color-ink); }
.btn-outline:hover { background: var(--color-ink); color: var(--color-white); }
.btn-outline-white { border-color: rgba(255,255,255,.7); color: var(--color-white); }
.btn-outline-white:hover { background: var(--color-white); color: var(--color-ink); }
.btn-kakao { background: var(--color-kakao); color: #191600; }
.btn-kakao:hover { opacity: .88; }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================
   헤더 (사진 위에 투명 → 스크롤하면 흰색)
   ============================================ */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--header-h); color: var(--color-white); transition: background .35s, color .35s, box-shadow .35s; }
.site-header::before { content: ""; position: absolute; inset: 0 0 -40px; background: linear-gradient(to bottom, rgba(0,0,0,.38), transparent); pointer-events: none; transition: opacity .35s; }
.site-header.is-solid { background: rgba(255,255,255,.96); color: var(--color-ink); box-shadow: 0 1px 0 var(--color-line); backdrop-filter: blur(8px); }
.site-header.is-solid::before { opacity: 0; }
.header-inner { position: relative; height: 100%; display: flex; align-items: center; gap: 40px; padding: 0 40px; max-width: 1440px; margin: 0 auto; }
.logo { display: flex; align-items: baseline; gap: 10px; margin-right: auto; }
.logo-ko { font-family: var(--font-serif); font-size: 24px; font-weight: 600; letter-spacing: -0.02em; }
.logo-en { font-size: 11px; font-weight: 500; letter-spacing: .22em; opacity: .75; }
.main-nav ul { display: flex; gap: 36px; }
.main-nav ul a { font-size: 15px; font-weight: 400; position: relative; padding: 6px 0; }
.main-nav ul a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.main-nav ul a:hover::after, .main-nav ul a.is-current::after { transform: scaleX(1); }
.main-nav a.is-current { font-weight: 600; }
.nav-mobile-contact { display: none; }
.header-cta { font-size: 14px; font-weight: 500; padding: 11px 22px; border: 1px solid currentColor; transition: background .25s, color .25s; }
.site-header:not(.is-solid) .header-cta:hover { background: var(--color-white); color: var(--color-ink); }
.site-header.is-solid .header-cta { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-white); }
.menu-toggle { display: none; width: 28px; height: 20px; position: relative; }
.menu-toggle span { position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor; transition: transform .3s, opacity .3s; }
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

/* ============================================
   메인 히어로 (풀스크린 실제 시공 사진)
   ============================================ */
.hero { position: relative; height: 100vh; min-height: 640px; display: flex; align-items: flex-end; overflow: hidden; background: var(--color-ink); color: var(--color-white); }
.hero-slides, .hero-slide { position: absolute; inset: 0; margin: 0; }
.hero-slide { opacity: 0; transition: opacity 1.4s ease; }
.hero-slide.is-active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 7s linear; }
.hero-slide.is-active img { transform: scale(1); }
.hero-slide figcaption { position: absolute; right: 120px; bottom: 44px; z-index: 2; font-size: 13px; letter-spacing: .04em; color: rgba(255,255,255,.75); }
.hero-slide figcaption::before { content: "실제 시공 — "; opacity: .7; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,.35) 40%, rgba(0,0,0,.08) 70%, rgba(0,0,0,.2) 100%); }
.hero .hero-content { position: relative; z-index: 2; width: 100%; padding-bottom: 110px; animation: fadeUp 1s var(--ease) both; }
.hero-eyebrow { font-size: 13px; letter-spacing: .32em; margin-bottom: 28px; opacity: .85; }
.hero h1 { font-family: var(--font-serif); font-size: clamp(44px, 7.4vw, 104px); font-weight: 500; line-height: 1.18; letter-spacing: -0.045em; margin-bottom: 28px; }
.hero-sub { font-size: clamp(16px, 1.7vw, 22px); line-height: 1.7; color: rgba(255,255,255,.88); margin-bottom: 44px; }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-dots { position: absolute; left: 50%; bottom: 44px; transform: translateX(-50%); z-index: 3; display: flex; gap: 10px; }
.hero-dot { width: 28px; height: 2px; background: rgba(255,255,255,.35); transition: background .3s; }
.hero-dot.is-active { background: var(--color-white); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }

/* ============================================
   서브 페이지 히어로 (includes.js 가 배경을 채움)
   ============================================ */
.page-hero { position: relative; min-height: 58vh; display: flex; align-items: flex-end; padding: calc(var(--header-h) + 60px) 0 72px; background: var(--color-ink); color: var(--color-white); overflow: hidden; }
.page-hero.is-short { min-height: 44vh; }
.page-hero-bg { position: absolute; inset: 0; }
.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.7), rgba(0,0,0,.25) 60%, rgba(0,0,0,.35)); }
.page-hero .container { position: relative; z-index: 2; width: 100%; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 36px; display: flex; flex-wrap: wrap; gap: 10px; }
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb i { font-style: normal; opacity: .5; }
.page-hero-eyebrow { font-size: 12px; letter-spacing: .3em; margin-bottom: 18px; opacity: .8; }
.page-hero h1 { font-family: var(--font-serif); font-size: clamp(34px, 5vw, 64px); font-weight: 500; line-height: 1.25; letter-spacing: -0.04em; }
.page-hero p.lead { font-size: 18px; line-height: 1.75; color: rgba(255,255,255,.85); margin-top: 22px; max-width: 640px; }
.page-hero .hero-buttons { margin-top: 36px; }
.page-hero .tag-row { margin-top: 24px; }

/* ============================================
   약속 띠 (메인 히어로 아래)
   ============================================ */
.promise { border-bottom: 1px solid var(--color-line); }
.promise-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.promise-item { padding: 44px 32px; border-right: 1px solid var(--color-line); }
.promise-item:last-child { border-right: 0; }
.promise-item .num { font-family: var(--font-serif); font-size: 14px; color: var(--color-stone); }
.promise-item strong { display: block; font-size: 19px; font-weight: 600; color: var(--color-ink); margin: 10px 0 6px; }
.promise-item p { font-size: 14px; color: var(--color-muted); line-height: 1.6; }

/* ============================================
   시공사례 카드 (메인 · 갤러리 공통)
   ============================================ */
.case-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 28px; }
.case-grid.is-even { grid-template-columns: repeat(3, 1fr); }
.case-card { display: block; grid-column: span 4; }
.case-grid .case-card.wide { grid-column: span 8; }
.case-grid.is-even .case-card, .case-grid.is-even .case-card.wide { grid-column: auto; }
.case-img { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--color-sand); }
.case-grid:not(.is-even) .case-card.wide { display: flex; flex-direction: column; }
.case-grid:not(.is-even) .case-card.wide .case-img { flex: 1 1 auto; min-height: 0; aspect-ratio: auto; }
.case-grid:not(.is-even) .case-card.wide .case-img img { position: absolute; inset: 0; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.case-card:hover .case-img img { transform: scale(1.04); }
.case-badge { position: absolute; top: 16px; left: 16px; font-size: 12px; font-weight: 500; padding: 6px 12px; background: rgba(255,255,255,.92); color: var(--color-ink); }
.case-info { padding-top: 20px; }
.case-loc { font-size: 13px; color: var(--color-stone); letter-spacing: .02em; }
.case-info h3 { font-size: 20px; font-weight: 600; color: var(--color-ink); margin: 6px 0 6px; line-height: 1.45; }
.case-info p { font-size: 14px; color: var(--color-muted); }
.case-card[hidden] { display: none; }

.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 48px; }
.filter-btn { font-size: 15px; padding: 11px 22px; border: 1px solid var(--color-line); color: var(--color-text); transition: all .2s; }
.filter-btn:hover { border-color: var(--color-ink); }
.filter-btn.is-active { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-white); }

/* ============================================
   비포 & 애프터
   ============================================ */
.ba-slider { --pos: 50%; position: relative; aspect-ratio: 16 / 9; overflow: hidden; user-select: none; background: #333; }
.ba-slider img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba-after { clip-path: inset(0 0 0 var(--pos)); }
.ba-handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; background: var(--color-white); transform: translateX(-1px); pointer-events: none; }
.ba-handle::after { content: "⇄"; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 54px; height: 54px; border-radius: 50%; background: var(--color-white); color: var(--color-ink); display: grid; place-items: center; font-size: 20px; box-shadow: 0 4px 20px rgba(0,0,0,.25); }
.ba-label { position: absolute; top: 24px; font-size: 12px; letter-spacing: .2em; color: var(--color-white); background: rgba(0,0,0,.45); padding: 7px 14px; }
.ba-label.before { left: 24px; }
.ba-label.after { right: 24px; }
.ba-range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba-caption { display: flex; justify-content: space-between; gap: 16px; margin-top: 20px; font-size: 14px; color: rgba(255,255,255,.6); flex-wrap: wrap; }

/* ============================================
   제품 (가로 스크롤 컬렉션)
   ============================================ */
.product-rail { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 3 * 24px) / 4); gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 16px; scrollbar-width: thin; }
.product-card { scroll-snap-align: start; }
.product-img { aspect-ratio: 3 / 4; overflow: hidden; background: var(--color-sand); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.product-card:hover .product-img img { transform: scale(1.04); }
.product-card h3 { font-size: 19px; font-weight: 600; color: var(--color-ink); margin: 18px 0 6px; }
.product-card p { font-size: 14px; color: var(--color-muted); line-height: 1.6; }

/* ============================================
   진행 과정
   ============================================ */
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--color-ink); }
.process-item { padding: 36px 28px 0 0; }
.process-item .step { font-family: var(--font-serif); font-size: 15px; color: var(--color-stone); }
.process-item h3 { font-size: 21px; font-weight: 600; color: var(--color-ink); margin: 14px 0 12px; }
.process-item p { font-size: 15px; line-height: 1.75; color: var(--color-muted); }

/* ============================================
   이야기 (2단: 사진 + 글)
   ============================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split-img { aspect-ratio: 4 / 5; overflow: hidden; background: var(--color-sand); }
.split-img img { width: 100%; height: 100%; object-fit: cover; }
.split-text h2 { font-family: var(--font-serif); font-size: 38px; font-weight: 500; line-height: 1.4; color: var(--color-ink); letter-spacing: -0.03em; margin-bottom: 28px; }
.split-text p { font-size: 16px; line-height: 1.95; margin-bottom: 18px; }
.split-text .btn { margin-top: 16px; }

/* ============================================
   후기
   ============================================ */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card { background: var(--color-white); padding: 40px 34px; display: flex; flex-direction: column; }
.review-card .quote { font-family: var(--font-serif); font-size: 18px; line-height: 1.75; color: var(--color-ink); flex: 1; }
.review-card .meta { margin-top: 28px; font-size: 13px; color: var(--color-muted); }
.review-empty { text-align: center; padding: 56px 24px; border: 1px dashed var(--color-line); background: var(--color-white); }
.review-empty p { font-size: 16px; color: var(--color-muted); line-height: 1.8; margin-bottom: 24px; }
.review-empty .btn-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ============================================
   FAQ (details 태그 사용, JS 없이 열고 닫힘)
   ============================================ */
.faq-list { border-top: 1px solid var(--color-ink); }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 4px; font-size: 18px; font-weight: 500; color: var(--color-ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 26px; font-weight: 300; transition: transform .3s; flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .answer { padding: 0 4px 30px; font-size: 16px; line-height: 1.9; color: var(--color-text); }
.faq-item .answer p + p { margin-top: 10px; }
.faq-group-title { font-family: var(--font-serif); font-size: 26px; font-weight: 500; color: var(--color-ink); margin: 72px 0 24px; }
.faq-group-title:first-child { margin-top: 0; }

/* ============================================
   매거진 (블로그 카드)
   ============================================ */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.post-card { display: block; }
.post-img { aspect-ratio: 3 / 2; overflow: hidden; background: var(--color-sand); }
.post-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.post-card:hover .post-img img { transform: scale(1.04); }
.post-cat { display: inline-block; font-size: 12px; letter-spacing: .08em; color: var(--color-stone); margin: 22px 0 10px; }
.post-card h3 { font-size: 20px; font-weight: 600; line-height: 1.5; color: var(--color-ink); margin-bottom: 10px; }
.post-card p { font-size: 15px; color: var(--color-muted); line-height: 1.7; }
.post-date { font-size: 13px; color: var(--color-muted); margin-top: 14px; display: block; }

/* ============================================
   상담 CTA (하단 공통 섹션)
   ============================================ */
.contact-cta { position: relative; padding: 150px 0; color: var(--color-white); background: var(--color-ink); overflow: hidden; }
.contact-cta .bg { position: absolute; inset: 0; opacity: .35; }
.contact-cta .bg img { width: 100%; height: 100%; object-fit: cover; }
.contact-cta .container { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: end; }
.contact-cta h2 { font-family: var(--font-serif); font-size: 48px; font-weight: 500; line-height: 1.35; letter-spacing: -0.04em; }
.contact-cta .sub { font-size: 17px; color: rgba(255,255,255,.75); margin-top: 20px; line-height: 1.8; }
.channel-list { border-top: 1px solid rgba(255,255,255,.3); }
.channel { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 26px 4px; border-bottom: 1px solid rgba(255,255,255,.3); transition: padding .3s var(--ease); }
.channel:hover { padding-left: 14px; }
.channel strong { display: block; font-size: 20px; font-weight: 600; }
.channel span { font-size: 14px; color: rgba(255,255,255,.65); }
.channel .go { font-size: 22px; }

/* ============================================
   본문 공통 (제품 · 지역 · 사례 · 블로그 상세)
   ============================================ */
.prose { font-size: 17px; line-height: 1.95; color: var(--color-text); }
.prose h2 { font-family: var(--font-serif); font-size: 30px; font-weight: 500; line-height: 1.45; color: var(--color-ink); margin: 72px 0 22px; letter-spacing: -0.03em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 21px; font-weight: 600; color: var(--color-ink); margin: 44px 0 14px; }
.prose p { margin-bottom: 20px; }
.prose ul, .prose ol { margin: 0 0 24px; padding-left: 4px; }
.prose li { position: relative; padding-left: 20px; margin-bottom: 10px; }
.prose ul li::before { content: ""; position: absolute; left: 2px; top: .85em; width: 6px; height: 1px; background: var(--color-ink); }
.prose ol { counter-reset: n; }
.prose ol li { counter-increment: n; padding-left: 30px; }
.prose ol li::before { content: counter(n, decimal-leading-zero); position: absolute; left: 0; font-family: var(--font-serif); font-size: 14px; color: var(--color-stone); top: .2em; }
.prose strong { color: var(--color-ink); font-weight: 600; }
.prose a:not(.btn) { color: var(--color-ink); border-bottom: 1px solid var(--color-stone); }
.prose figure { margin: 40px 0; }
.prose figure img { width: 100%; }
.prose figcaption { font-size: 14px; color: var(--color-muted); margin-top: 12px; }
.prose blockquote { border-left: 2px solid var(--color-ink); padding: 6px 0 6px 24px; margin: 32px 0; font-family: var(--font-serif); font-size: 19px; color: var(--color-ink); }
.note-box { background: var(--color-sand); padding: 30px 32px; margin: 36px 0; font-size: 16px; line-height: 1.85; }
.note-box strong { display: block; margin-bottom: 8px; }
.table-wrap { overflow-x: auto; margin: 28px 0 36px; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 520px; }
.table-wrap th, .table-wrap td { padding: 16px 14px; border-bottom: 1px solid var(--color-line); text-align: left; vertical-align: top; }
.table-wrap th { background: var(--color-sand); font-weight: 600; color: var(--color-ink); }

/* 사례 상세: 정보표 + 사진 */
.case-spec { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--color-ink); border-bottom: 1px solid var(--color-line); margin-bottom: 72px; }
.case-spec div { padding: 26px 20px 26px 0; }
.case-spec dt { font-size: 13px; color: var(--color-muted); margin-bottom: 8px; }
.case-spec dd { font-size: 17px; font-weight: 600; color: var(--color-ink); }
.case-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 48px 0; }
.case-photos figure { margin: 0; }
.case-photos figure:first-child { grid-column: 1 / -1; }
.case-photos img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--color-sand); }
.case-photos figure:first-child img { aspect-ratio: 16 / 9; }
.case-photos figcaption { font-size: 14px; color: var(--color-muted); margin-top: 10px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 13px; padding: 7px 14px; border: 1px solid currentColor; opacity: .85; }
.page-hero .tag { color: var(--color-white); }

/* 이전/다음 사례 */
.pager { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--color-line); margin-top: 80px; }
.pager a { padding: 32px 0; display: block; }
.pager a + a { text-align: right; border-left: 1px solid var(--color-line); }
.pager small { display: block; font-size: 13px; color: var(--color-muted); margin-bottom: 6px; }
.pager strong { font-size: 17px; color: var(--color-ink); font-weight: 600; }

/* 제품 상세 블록 */
.product-block { display: grid; grid-template-columns: 1fr 1.2fr; gap: 72px; align-items: start; padding: 100px 0; border-top: 1px solid var(--color-line); scroll-margin-top: var(--header-h); }
.product-block:first-child { border-top: 0; padding-top: 0; }
.product-block .split-img { aspect-ratio: 4 / 5; position: sticky; top: calc(var(--header-h) + 24px); }
.product-block h2 { font-family: var(--font-serif); font-size: 36px; font-weight: 500; color: var(--color-ink); letter-spacing: -0.03em; margin-bottom: 8px; }
.product-block .en { font-size: 12px; letter-spacing: .24em; color: var(--color-stone); margin-bottom: 26px; display: block; }
.spec-list { display: grid; grid-template-columns: 110px 1fr; border-top: 1px solid var(--color-line); margin: 28px 0; }
.spec-list dt, .spec-list dd { padding: 14px 0; border-bottom: 1px solid var(--color-line); font-size: 15px; }
.spec-list dt { color: var(--color-muted); }
.spec-list dd { color: var(--color-ink); }
.product-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 80px; }

/* 지역 */
.area-index { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--color-line); border: 1px solid var(--color-line); }
.area-index a, .area-index span { background: var(--color-white); padding: 30px 26px; display: flex; justify-content: space-between; align-items: center; font-size: 18px; font-weight: 600; color: var(--color-ink); }
.area-index a:hover { background: var(--color-sand); }
.area-index a small { font-size: 13px; font-weight: 400; color: var(--color-muted); }
.area-index span { color: var(--color-muted); font-weight: 400; }
.area-group-title { font-family: var(--font-serif); font-size: 26px; font-weight: 500; color: var(--color-ink); margin: 64px 0 20px; }
.area-group-title:first-child { margin-top: 0; }
.dong-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 8px; }
.dong-list li { font-size: 15px; padding: 9px 16px; background: var(--color-white); border: 1px solid var(--color-line); }

/* ============================================
   견적 문의 폼
   ============================================ */
.inquiry-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; align-items: start; }
.inquiry-aside h2 { font-family: var(--font-serif); font-size: 30px; font-weight: 500; color: var(--color-ink); line-height: 1.45; margin-bottom: 20px; }
.inquiry-aside p { font-size: 16px; line-height: 1.85; color: var(--color-muted); }
.inquiry-aside .channel-list { border-color: var(--color-ink); margin-top: 36px; }
.inquiry-aside .channel { border-color: var(--color-line); color: var(--color-ink); }
.inquiry-aside .channel span { color: var(--color-muted); }
.inquiry-form .form-group { margin-bottom: 30px; }
.inquiry-form label.title { display: block; font-size: 15px; font-weight: 600; color: var(--color-ink); margin-bottom: 10px; }
.inquiry-form .required { color: #B5462E; margin-left: 2px; }
.inquiry-form input[type="text"], .inquiry-form input[type="tel"], .inquiry-form input[type="email"], .inquiry-form input[type="date"], .inquiry-form select, .inquiry-form textarea {
    width: 100%; padding: 16px 0; font-size: 16px; color: var(--color-ink); background: transparent; border: 0; border-bottom: 1px solid var(--color-line); border-radius: 0; cursor: text; transition: border-color .2s; }
.inquiry-form select { cursor: pointer; appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231A1917' fill='none'/%3E%3C/svg%3E") no-repeat right 4px center; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-bottom-color: var(--color-ink); }
.inquiry-form textarea { min-height: 140px; resize: vertical; line-height: 1.7; }
.check-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.check-grid label { position: relative; cursor: pointer; }
.check-grid input { position: absolute; opacity: 0; }
.check-grid span { display: inline-block; padding: 11px 18px; border: 1px solid var(--color-line); font-size: 15px; transition: all .2s; }
.check-grid input:checked + span { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-white); }
.check-grid input:focus-visible + span { outline: 2px solid var(--color-stone); outline-offset: 2px; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--color-muted); line-height: 1.7; margin: 8px 0 32px; }
.agree input { margin-top: 5px; cursor: pointer; accent-color: var(--color-ink); }
.inquiry-form .btn { width: 100%; padding: 20px; font-size: 16px; }

/* ============================================
   푸터
   ============================================ */
.site-footer { background: #121110; color: rgba(255,255,255,.62); padding: 90px 0 120px; font-size: 14px; line-height: 1.8; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-logo { font-family: var(--font-serif); font-size: 30px; color: var(--color-white); display: flex; align-items: baseline; gap: 12px; }
.footer-logo span { font-family: var(--font-sans); font-size: 11px; letter-spacing: .24em; opacity: .6; }
.footer-slogan { margin-top: 16px; font-size: 15px; }
.site-footer h4 { font-size: 13px; letter-spacing: .12em; color: var(--color-white); font-weight: 600; margin-bottom: 16px; }
.footer-col ul { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 20px; }
.site-footer a:hover { color: var(--color-white); }
.footer-col a.is-current { color: var(--color-white); }
.footer-areas { padding: 40px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-area-links { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; }
.footer-area-links a { color: rgba(255,255,255,.88); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(255,255,255,.3); }
.footer-area-links span { color: rgba(255,255,255,.4); }
.footer-bottom { padding-top: 32px; font-size: 13px; color: rgba(255,255,255,.42); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ============================================
   플로팅 버튼
   ============================================ */
.floating-buttons { position: fixed; right: 28px; bottom: 28px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.float-btn { width: 60px; height: 60px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; box-shadow: 0 6px 20px rgba(0,0,0,.18); transition: transform .25s var(--ease); }
.float-btn:hover { transform: translateY(-3px); }
.float-icon { font-size: 18px; line-height: 1; }
.float-label { font-size: 11px; font-weight: 600; }
.float-phone { background: var(--color-ink); color: var(--color-white); }
.float-kakao { background: var(--color-kakao); color: #191600; }
.float-inquiry { background: var(--color-white); color: var(--color-ink); }

/* ============================================
   나타나기 애니메이션 (JS가 켜졌을 때만)
   ============================================ */
.js .reveal { opacity: 0; transform: translateY(36px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .reveal.d1 { transition-delay: .1s; }
.js .reveal.d2 { transition-delay: .2s; }
@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; transition: none; }
    .hero-slide img { transition: none; transform: none; }
}

.mt-48 { margin-top: 48px; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ============================================
   반응형
   ============================================ */
@media (max-width: 1100px) {
    .main-nav ul { gap: 24px; }
    .product-rail { grid-auto-columns: calc((100% - 2 * 24px) / 3); }
    .area-index { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    :root { --header-h: 68px; }
    .container { padding: 0 24px; }
    .section { padding: 96px 0; }
    .section-title { font-size: 32px; }
    .header-inner { padding: 0 20px; gap: 16px; }
    .header-cta { display: none; }
    .menu-toggle { display: block; z-index: 2; }
    .main-nav { position: fixed; inset: 0; background: var(--color-paper); color: var(--color-ink); padding: calc(var(--header-h) + 32px) 28px 40px; display: flex; flex-direction: column; justify-content: space-between; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
    .main-nav ul { flex-direction: column; gap: 6px; }
    .main-nav ul a { font-family: var(--font-serif); font-size: 28px; }
    .nav-mobile-contact .btn { font-size: 16px; }
    .nav-mobile-contact { display: grid; gap: 10px; }
    .nav-mobile-contact .btn-light { border: 1px solid var(--color-ink); }
    .menu-open { overflow: hidden; }
    .menu-open .main-nav { opacity: 1; visibility: visible; }
    .menu-open .site-header { color: var(--color-ink); }
    .menu-open .site-header::before { opacity: 0; }
    .menu-open .menu-toggle span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
    .menu-open .menu-toggle span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
    .logo { position: relative; z-index: 2; }

    .hero { min-height: 600px; }
    .hero .hero-content { padding-bottom: 130px; }
    .hero-slide figcaption { display: none; }
    .hero-dots { left: 24px; transform: none; bottom: 92px; }
    .promise-grid { grid-template-columns: 1fr 1fr; }
    .promise-item { padding: 28px 20px; border-bottom: 1px solid var(--color-line); }
    .promise-item:nth-child(2) { border-right: 0; }
    .promise-item:nth-child(n+3) { border-bottom: 0; }

    .case-grid, .case-grid.is-even { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 16px; }
    .case-card, .case-grid .case-card.wide { grid-column: auto; }
    .case-grid .case-card.wide { grid-column: 1 / -1; }
    .case-grid:not(.is-even) .case-card.wide .case-img { aspect-ratio: 4 / 3; flex: none; }
    .case-info h3 { font-size: 17px; }

    .product-rail { grid-auto-columns: 62%; }
    .process-list { grid-template-columns: 1fr 1fr; gap: 0 24px; }
    .split, .contact-cta .container, .inquiry-layout, .product-block { grid-template-columns: 1fr; gap: 48px; }
    .split.reverse > :first-child { order: 0; }
    .split-text h2 { font-size: 30px; }
    .product-block { padding: 72px 0; }
    .product-block .split-img { position: static; aspect-ratio: 4 / 3; }
    .review-grid, .post-grid { grid-template-columns: 1fr; }
    .contact-cta { padding: 100px 0; }
    .contact-cta h2 { font-size: 34px; }
    .case-spec { grid-template-columns: 1fr 1fr; }
    .area-index { grid-template-columns: 1fr 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 36px; }
    .site-footer { padding: 64px 0 120px; }

    /* 모바일: 하단 고정 상담 바 */
    .floating-buttons { left: 0; right: 0; bottom: 0; flex-direction: row; gap: 0; box-shadow: 0 -1px 0 var(--color-line); }
    .float-btn { flex: 1; width: auto; height: 58px; border-radius: 0; flex-direction: row; gap: 8px; box-shadow: none; }
    .float-btn:hover { transform: none; }
    .float-label { font-size: 14px; }
}

@media (max-width: 560px) {
    .container { padding: 0 16px; }
    .section { padding: 80px 0; }
    .section-head { margin-bottom: 40px; }
    .section-title { font-size: 28px; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; }
    .case-grid, .case-grid.is-even { grid-template-columns: minmax(0, 1fr); }
    .process-list { grid-template-columns: 1fr; }
    .process-item { padding-bottom: 28px; border-bottom: 1px solid var(--color-line); }
    .page-hero { min-height: 48vh; padding-bottom: 52px; }
    .prose { font-size: 16px; }
    .prose h2 { font-size: 25px; }
    .case-photos { grid-template-columns: 1fr; }
    .area-index { grid-template-columns: 1fr; }
    .pager { grid-template-columns: 1fr; }
    .pager a + a { border-left: 0; border-top: 1px solid var(--color-line); text-align: left; }
    .channel strong { font-size: 18px; }
}

/* 지역 페이지: 2단 글 영역 안의 본문 */
.split-text.prose h2 { margin-top: 0; }
.split-text.prose h3 { margin-top: 32px; }

/* 후기 카드: 별점 · 예시 표시 */
.review-card { position: relative; }
.review-card .stars { color: var(--color-stone); letter-spacing: .15em; font-size: 14px; margin-bottom: 18px; }
.review-card .sample-tag { position: absolute; top: 18px; right: 18px; font-size: 11px; letter-spacing: .08em; padding: 4px 10px; border: 1px dashed var(--color-stone); color: var(--color-stone); }
.review-card.is-sample .quote { color: var(--color-muted); }
.review-links { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }
.review-card .quote { font-size: 17px; }
@media (max-width: 900px) {
    /* 모바일: 후기는 옆으로 넘겨 보기 */
    .review-grid { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 84%; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; }
    .review-card { scroll-snap-align: start; }
}

/* 비포 & 애프터: 사진 두 장 나란히 */
.ba-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ba-pair figure { position: relative; margin: 0; aspect-ratio: 4 / 3; overflow: hidden; background: #333; }
.ba-pair img { width: 100%; height: 100%; object-fit: cover; }
.ba-pair .ba-label { top: 20px; left: 20px; }
@media (max-width: 700px) { .ba-pair { grid-template-columns: 1fr; } }

/* 사례 사진이 1장일 때 */
.case-photos.is-single figure:first-child img { aspect-ratio: 4 / 3; }

/* 지역 목록: 빈 칸이 회색으로 차지 않게 칸마다 테두리 */
.area-index { gap: 0; background: none; border: 0; }
.area-index a, .area-index span { border: 1px solid var(--color-line); margin: 0 -1px -1px 0; }

/* 모바일 메뉴: 스크롤 후에도 화면 전체를 덮도록
   (backdrop-filter 가 켜져 있으면 고정 메뉴가 헤더 높이 안에 갇힘) */
@media (max-width: 900px) {
    .site-header.is-solid { backdrop-filter: none; -webkit-backdrop-filter: none; background: #fff; }
    .main-nav { height: 100vh; height: 100dvh; overflow-y: auto; }
}